// SPDX-License-Identifier: GPL-2.0
/*
* Copyright 2016-2022 HabanaLabs, Ltd.
* All Rights Reserved.
*/
#include "gaudiP.h"
#include "../include/hw_ip/mmu/mmu_general.h"
#include "../include/hw_ip/mmu/mmu_v1_1.h"
#include "../include/gaudi/gaudi_masks.h"
#include "../include/gaudi/gaudi_fw_if.h"
#include "../include/gaudi/gaudi_reg_map.h"
#include "../include/gaudi/gaudi_async_ids_map_extended.h"
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/firmware.h>
#include <linux/hwmon.h>
#include <linux/iommu.h>
#include <linux/seq_file.h>
/*
* Gaudi security scheme:
*
* 1. Host is protected by:
* - Range registers
* - MMU
*
* 2. DDR is protected by:
* - Range registers (protect the first 512MB)
*
* 3. Configuration is protected by:
* - Range registers
* - Protection bits
*
* MMU is always enabled.
*
* QMAN DMA channels 0,1 (PCI DMAN):
* - DMA is not secured.
* - PQ and CQ are secured.
* - CP is secured: The driver needs to parse CB but WREG should be allowed
* because of TDMA (tensor DMA). Hence, WREG is always not
* secured.
*
* When the driver needs to use DMA it will check that Gaudi is idle, set DMA
* channel 0 to be secured, execute the DMA and change it back to not secured.
* Currently, the driver doesn't use the DMA while there are compute jobs
* running.
*
* The current use cases for the driver to use the DMA are:
* - Clear SRAM on context switch (happens on context switch when device is
* idle)
* - MMU page tables area clear (happens on init)
*
* QMAN DMA 2-7, TPC, MME, NIC:
* PQ is secured and is located on the Host (HBM CON TPC3 bug)
* CQ, CP and the engine are not secured
*
*/
#define GAUDI_BOOT_FIT_FILE "habanalabs/gaudi/gaudi-boot-fit.itb"
#define GAUDI_LINUX_FW_FILE "habanalabs/gaudi/gaudi-fit.itb"
#define GAUDI_TPC_FW_FILE "habanalabs/gaudi/gaudi_tpc.bin"
MODULE_FIRMWARE(GAUDI_BOOT_FIT_FILE);
MODULE_FIRMWARE(GAUDI_LINUX_FW_FILE);
MODULE_FIRMWARE(GAUDI_TPC_FW_FILE);
#define GAUDI_DMA_POOL_BLK_SIZE 0x100 /* 256 bytes */
#define GAUDI_RESET_TIMEOUT_MSEC 2000 /* 2000ms */
#define GAUDI_RESET_WAIT_MSEC 1 /* 1ms */
#define GAUDI_CPU_RESET_WAIT_MSEC 200 /* 200ms */
#define GAUDI_TEST_QUEUE_WAIT_USEC 100000 /* 100ms */
#define GAUDI_PLDM_RESET_WAIT_MSEC 1000 /* 1s */
#define GAUDI_PLDM_HRESET_TIMEOUT_MSEC 20000 /* 20s */
#define GAUDI_PLDM_TEST_QUEUE_WAIT_USEC 1000000 /* 1s */
#define GAUDI_PLDM_MMU_TIMEOUT_USEC (MMU_CONFIG_TIMEOUT_USEC * 100)
#define GAUDI_PLDM_QMAN0_TIMEOUT_USEC (HL_DEVICE_TIMEOUT_USEC * 30)
#define GAUDI_PLDM_TPC_KERNEL_WAIT_USEC (HL_DEVICE_TIMEOUT_USEC * 30)
#define GAUDI_BOOT_FIT_REQ_TIMEOUT_USEC 4000000 /* 4s */
#define GAUDI_MSG_TO_CPU_TIMEOUT_USEC 4000000 /* 4s */
#define GAUDI_WAIT_FOR_BL_TIMEOUT_USEC 15000000 /* 15s */
#define GAUDI_QMAN0_FENCE_VAL 0x72E91AB9
#define GAUDI_MAX_STRING_LEN 20
#define GAUDI_CB_POOL_CB_CNT 512
#define GAUDI_CB_POOL_CB_SIZE 0x20000 /* 128KB */
#define GAUDI_ALLOC_CPU_MEM_RETRY_CNT 3
#define GAUDI_NUM_OF_TPC_INTR_CAUSE 20
#define GAUDI_NUM_OF_QM_ERR_CAUSE 16
#define GAUDI_NUM_OF_QM_ARB_ERR_CAUSE 3
#define GAUDI_ARB_WDT_TIMEOUT 0xEE6b27FF /* 8 seconds */
#define HBM_SCRUBBING_TIMEOUT_US 1000000 /* 1s */
#define BIN_REG_STRING_SIZE sizeof ("0b10101010101010101010101010101010" )
#define MONITOR_SOB_STRING_SIZE 256
static u32 gaudi_stream_master[GAUDI_STREAM_MASTER_ARR_SIZE] = {
GAUDI_QUEUE_ID_DMA_0_0,
GAUDI_QUEUE_ID_DMA_0_1,
GAUDI_QUEUE_ID_DMA_0_2,
GAUDI_QUEUE_ID_DMA_0_3,
GAUDI_QUEUE_ID_DMA_1_0,
GAUDI_QUEUE_ID_DMA_1_1,
GAUDI_QUEUE_ID_DMA_1_2,
GAUDI_QUEUE_ID_DMA_1_3
};
static const u8 gaudi_dma_assignment[GAUDI_DMA_MAX] = {
[GAUDI_PCI_DMA_1] = GAUDI_ENGINE_ID_DMA_0,
[GAUDI_PCI_DMA_2] = GAUDI_ENGINE_ID_DMA_1,
[GAUDI_HBM_DMA_1] = GAUDI_ENGINE_ID_DMA_2,
[GAUDI_HBM_DMA_2] = GAUDI_ENGINE_ID_DMA_3,
[GAUDI_HBM_DMA_3] = GAUDI_ENGINE_ID_DMA_4,
[GAUDI_HBM_DMA_4] = GAUDI_ENGINE_ID_DMA_5,
[GAUDI_HBM_DMA_5] = GAUDI_ENGINE_ID_DMA_6,
[GAUDI_HBM_DMA_6] = GAUDI_ENGINE_ID_DMA_7
};
static const u8 gaudi_cq_assignment[NUMBER_OF_CMPLT_QUEUES] = {
[0] = GAUDI_QUEUE_ID_DMA_0_0,
[1] = GAUDI_QUEUE_ID_DMA_0_1,
[2] = GAUDI_QUEUE_ID_DMA_0_2,
[3] = GAUDI_QUEUE_ID_DMA_0_3,
[4] = GAUDI_QUEUE_ID_DMA_1_0,
[5] = GAUDI_QUEUE_ID_DMA_1_1,
[6] = GAUDI_QUEUE_ID_DMA_1_2,
[7] = GAUDI_QUEUE_ID_DMA_1_3,
};
static const u16 gaudi_packet_sizes[MAX_PACKET_ID] = {
[PACKET_WREG_32] = sizeof (struct packet_wreg32),
[PACKET_WREG_BULK] = sizeof (struct packet_wreg_bulk),
[PACKET_MSG_LONG] = sizeof (struct packet_msg_long),
[PACKET_MSG_SHORT] = sizeof (struct packet_msg_short),
[PACKET_CP_DMA] = sizeof (struct packet_cp_dma),
[PACKET_REPEAT] = sizeof (struct packet_repeat),
[PACKET_MSG_PROT] = sizeof (struct packet_msg_prot),
[PACKET_FENCE] = sizeof (struct packet_fence),
[PACKET_LIN_DMA] = sizeof (struct packet_lin_dma),
[PACKET_NOP] = sizeof (struct packet_nop),
[PACKET_STOP] = sizeof (struct packet_stop),
[PACKET_ARB_POINT] = sizeof (struct packet_arb_point),
[PACKET_WAIT] = sizeof (struct packet_wait),
[PACKET_LOAD_AND_EXE] = sizeof (struct packet_load_and_exe)
};
static inline bool validate_packet_id(enum packet_id id)
{
switch (id) {
case PACKET_WREG_32:
case PACKET_WREG_BULK:
case PACKET_MSG_LONG:
case PACKET_MSG_SHORT:
case PACKET_CP_DMA:
case PACKET_REPEAT:
case PACKET_MSG_PROT:
case PACKET_FENCE:
case PACKET_LIN_DMA:
case PACKET_NOP:
case PACKET_STOP:
case PACKET_ARB_POINT:
case PACKET_WAIT:
case PACKET_LOAD_AND_EXE:
return true ;
default :
return false ;
}
}
static const char * const
gaudi_tpc_interrupts_cause[GAUDI_NUM_OF_TPC_INTR_CAUSE] = {
"tpc_address_exceed_slm" ,
"tpc_div_by_0" ,
"tpc_spu_mac_overflow" ,
"tpc_spu_addsub_overflow" ,
"tpc_spu_abs_overflow" ,
"tpc_spu_fp_dst_nan_inf" ,
"tpc_spu_fp_dst_denorm" ,
"tpc_vpu_mac_overflow" ,
"tpc_vpu_addsub_overflow" ,
"tpc_vpu_abs_overflow" ,
"tpc_vpu_fp_dst_nan_inf" ,
"tpc_vpu_fp_dst_denorm" ,
"tpc_assertions" ,
"tpc_illegal_instruction" ,
"tpc_pc_wrap_around" ,
"tpc_qm_sw_err" ,
"tpc_hbw_rresp_err" ,
"tpc_hbw_bresp_err" ,
"tpc_lbw_rresp_err" ,
"tpc_lbw_bresp_err"
};
static const char * const
gaudi_qman_error_cause[GAUDI_NUM_OF_QM_ERR_CAUSE] = {
"PQ AXI HBW error" ,
"CQ AXI HBW error" ,
"CP AXI HBW error" ,
"CP error due to undefined OPCODE" ,
"CP encountered STOP OPCODE" ,
"CP AXI LBW error" ,
"CP WRREG32 or WRBULK returned error" ,
"N/A" ,
"FENCE 0 inc over max value and clipped" ,
"FENCE 1 inc over max value and clipped" ,
"FENCE 2 inc over max value and clipped" ,
"FENCE 3 inc over max value and clipped" ,
"FENCE 0 dec under min value and clipped" ,
"FENCE 1 dec under min value and clipped" ,
"FENCE 2 dec under min value and clipped" ,
"FENCE 3 dec under min value and clipped"
};
static const char * const
gaudi_qman_arb_error_cause[GAUDI_NUM_OF_QM_ARB_ERR_CAUSE] = {
"Choice push while full error" ,
"Choice Q watchdog error" ,
"MSG AXI LBW returned with error"
};
static enum hl_queue_type gaudi_queue_type[GAUDI_QUEUE_ID_SIZE] = {
QUEUE_TYPE_EXT, /* GAUDI_QUEUE_ID_DMA_0_0 */
QUEUE_TYPE_EXT, /* GAUDI_QUEUE_ID_DMA_0_1 */
QUEUE_TYPE_EXT, /* GAUDI_QUEUE_ID_DMA_0_2 */
QUEUE_TYPE_EXT, /* GAUDI_QUEUE_ID_DMA_0_3 */
QUEUE_TYPE_EXT, /* GAUDI_QUEUE_ID_DMA_1_0 */
QUEUE_TYPE_EXT, /* GAUDI_QUEUE_ID_DMA_1_1 */
QUEUE_TYPE_EXT, /* GAUDI_QUEUE_ID_DMA_1_2 */
QUEUE_TYPE_EXT, /* GAUDI_QUEUE_ID_DMA_1_3 */
QUEUE_TYPE_CPU, /* GAUDI_QUEUE_ID_CPU_PQ */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_2_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_2_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_2_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_2_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_3_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_3_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_3_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_3_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_4_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_4_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_4_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_4_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_5_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_5_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_5_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_5_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_6_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_6_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_6_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_6_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_7_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_7_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_7_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_DMA_7_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_MME_0_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_MME_0_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_MME_0_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_MME_0_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_MME_1_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_MME_1_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_MME_1_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_MME_1_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_0_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_0_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_0_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_0_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_1_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_1_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_1_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_1_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_2_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_2_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_2_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_2_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_3_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_3_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_3_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_3_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_4_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_4_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_4_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_4_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_5_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_5_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_5_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_5_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_6_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_6_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_6_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_6_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_7_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_7_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_7_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_TPC_7_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_0_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_0_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_0_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_0_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_1_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_1_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_1_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_1_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_2_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_2_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_2_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_2_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_3_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_3_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_3_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_3_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_4_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_4_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_4_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_4_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_5_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_5_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_5_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_5_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_6_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_6_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_6_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_6_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_7_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_7_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_7_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_7_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_8_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_8_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_8_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_8_3 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_9_0 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_9_1 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_9_2 */
QUEUE_TYPE_INT, /* GAUDI_QUEUE_ID_NIC_9_3 */
};
static struct hl_hw_obj_name_entry gaudi_so_id_to_str[] = {
{ .id = 0, .name = "SYNC_OBJ_DMA_DOWN_FEEDBACK" },
{ .id = 1, .name = "SYNC_OBJ_DMA_UP_FEEDBACK" },
{ .id = 2, .name = "SYNC_OBJ_DMA_STATIC_DRAM_SRAM_FEEDBACK" },
{ .id = 3, .name = "SYNC_OBJ_DMA_SRAM_DRAM_FEEDBACK" },
{ .id = 4, .name = "SYNC_OBJ_FIRST_COMPUTE_FINISH" },
{ .id = 5, .name = "SYNC_OBJ_HOST_DRAM_DONE" },
{ .id = 6, .name = "SYNC_OBJ_DBG_CTR_DEPRECATED" },
{ .id = 7, .name = "SYNC_OBJ_DMA_ACTIVATIONS_DRAM_SRAM_FEEDBACK" },
{ .id = 8, .name = "SYNC_OBJ_ENGINE_SEM_MME_0" },
{ .id = 9, .name = "SYNC_OBJ_ENGINE_SEM_MME_1" },
{ .id = 10, .name = "SYNC_OBJ_ENGINE_SEM_TPC_0" },
{ .id = 11, .name = "SYNC_OBJ_ENGINE_SEM_TPC_1" },
{ .id = 12, .name = "SYNC_OBJ_ENGINE_SEM_TPC_2" },
{ .id = 13, .name = "SYNC_OBJ_ENGINE_SEM_TPC_3" },
{ .id = 14, .name = "SYNC_OBJ_ENGINE_SEM_TPC_4" },
{ .id = 15, .name = "SYNC_OBJ_ENGINE_SEM_TPC_5" },
{ .id = 16, .name = "SYNC_OBJ_ENGINE_SEM_TPC_6" },
{ .id = 17, .name = "SYNC_OBJ_ENGINE_SEM_TPC_7" },
{ .id = 18, .name = "SYNC_OBJ_ENGINE_SEM_DMA_1" },
{ .id = 19, .name = "SYNC_OBJ_ENGINE_SEM_DMA_2" },
{ .id = 20, .name = "SYNC_OBJ_ENGINE_SEM_DMA_3" },
{ .id = 21, .name = "SYNC_OBJ_ENGINE_SEM_DMA_4" },
{ .id = 22, .name = "SYNC_OBJ_ENGINE_SEM_DMA_5" },
{ .id = 23, .name = "SYNC_OBJ_ENGINE_SEM_DMA_6" },
{ .id = 24, .name = "SYNC_OBJ_ENGINE_SEM_DMA_7" },
{ .id = 25, .name = "SYNC_OBJ_DBG_CTR_0" },
{ .id = 26, .name = "SYNC_OBJ_DBG_CTR_1" },
};
static struct hl_hw_obj_name_entry gaudi_monitor_id_to_str[] = {
{ .id = 200, .name = "MON_OBJ_DMA_DOWN_FEEDBACK_RESET" },
{ .id = 201, .name = "MON_OBJ_DMA_UP_FEEDBACK_RESET" },
{ .id = 203, .name = "MON_OBJ_DRAM_TO_SRAM_QUEUE_FENCE" },
{ .id = 204, .name = "MON_OBJ_TPC_0_CLK_GATE" },
{ .id = 205, .name = "MON_OBJ_TPC_1_CLK_GATE" },
{ .id = 206, .name = "MON_OBJ_TPC_2_CLK_GATE" },
{ .id = 207, .name = "MON_OBJ_TPC_3_CLK_GATE" },
{ .id = 208, .name = "MON_OBJ_TPC_4_CLK_GATE" },
{ .id = 209, .name = "MON_OBJ_TPC_5_CLK_GATE" },
{ .id = 210, .name = "MON_OBJ_TPC_6_CLK_GATE" },
{ .id = 211, .name = "MON_OBJ_TPC_7_CLK_GATE" },
};
static s64 gaudi_state_dump_specs_props[] = {
[SP_SYNC_OBJ_BASE_ADDR] = mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0,
[SP_NEXT_SYNC_OBJ_ADDR] = NEXT_SYNC_OBJ_ADDR_INTERVAL,
[SP_SYNC_OBJ_AMOUNT] = NUM_OF_SOB_IN_BLOCK,
[SP_MON_OBJ_WR_ADDR_LOW] =
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0,
[SP_MON_OBJ_WR_ADDR_HIGH] =
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRH_0,
[SP_MON_OBJ_WR_DATA] = mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_DATA_0,
[SP_MON_OBJ_ARM_DATA] = mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_ARM_0,
[SP_MON_OBJ_STATUS] = mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_STATUS_0,
[SP_MONITORS_AMOUNT] = NUM_OF_MONITORS_IN_BLOCK,
[SP_TPC0_CMDQ] = mmTPC0_QM_GLBL_CFG0,
[SP_TPC0_CFG_SO] = mmTPC0_CFG_QM_SYNC_OBJECT_ADDR,
[SP_NEXT_TPC] = mmTPC1_QM_GLBL_CFG0 - mmTPC0_QM_GLBL_CFG0,
[SP_MME_CMDQ] = mmMME0_QM_GLBL_CFG0,
[SP_MME_CFG_SO] = mmMME0_CTRL_ARCH_DESC_SYNC_OBJECT_ADDR_LOW_LOCAL,
[SP_NEXT_MME] = mmMME2_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0,
[SP_DMA_CMDQ] = mmDMA0_QM_GLBL_CFG0,
[SP_DMA_CFG_SO] = mmDMA0_CORE_WR_COMP_ADDR_LO,
[SP_DMA_QUEUES_OFFSET] = mmDMA1_QM_GLBL_CFG0 - mmDMA0_QM_GLBL_CFG0,
[SP_NUM_OF_MME_ENGINES] = NUM_OF_MME_ENGINES,
[SP_SUB_MME_ENG_NUM] = NUM_OF_MME_SUB_ENGINES,
[SP_NUM_OF_DMA_ENGINES] = NUM_OF_DMA_ENGINES,
[SP_NUM_OF_TPC_ENGINES] = NUM_OF_TPC_ENGINES,
[SP_ENGINE_NUM_OF_QUEUES] = NUM_OF_QUEUES,
[SP_ENGINE_NUM_OF_STREAMS] = NUM_OF_STREAMS,
[SP_ENGINE_NUM_OF_FENCES] = NUM_OF_FENCES,
[SP_FENCE0_CNT_OFFSET] =
mmDMA0_QM_CP_FENCE0_CNT_0 - mmDMA0_QM_GLBL_CFG0,
[SP_FENCE0_RDATA_OFFSET] =
mmDMA0_QM_CP_FENCE0_RDATA_0 - mmDMA0_QM_GLBL_CFG0,
[SP_CP_STS_OFFSET] = mmDMA0_QM_CP_STS_0 - mmDMA0_QM_GLBL_CFG0,
[SP_NUM_CORES] = 1,
};
static const int gaudi_queue_id_to_engine_id[] = {
[GAUDI_QUEUE_ID_DMA_0_0...GAUDI_QUEUE_ID_DMA_0_3] = GAUDI_ENGINE_ID_DMA_0,
[GAUDI_QUEUE_ID_DMA_1_0...GAUDI_QUEUE_ID_DMA_1_3] = GAUDI_ENGINE_ID_DMA_1,
[GAUDI_QUEUE_ID_CPU_PQ] = GAUDI_ENGINE_ID_SIZE,
[GAUDI_QUEUE_ID_DMA_2_0...GAUDI_QUEUE_ID_DMA_2_3] = GAUDI_ENGINE_ID_DMA_2,
[GAUDI_QUEUE_ID_DMA_3_0...GAUDI_QUEUE_ID_DMA_3_3] = GAUDI_ENGINE_ID_DMA_3,
[GAUDI_QUEUE_ID_DMA_4_0...GAUDI_QUEUE_ID_DMA_4_3] = GAUDI_ENGINE_ID_DMA_4,
[GAUDI_QUEUE_ID_DMA_5_0...GAUDI_QUEUE_ID_DMA_5_3] = GAUDI_ENGINE_ID_DMA_5,
[GAUDI_QUEUE_ID_DMA_6_0...GAUDI_QUEUE_ID_DMA_6_3] = GAUDI_ENGINE_ID_DMA_6,
[GAUDI_QUEUE_ID_DMA_7_0...GAUDI_QUEUE_ID_DMA_7_3] = GAUDI_ENGINE_ID_DMA_7,
[GAUDI_QUEUE_ID_MME_0_0...GAUDI_QUEUE_ID_MME_0_3] = GAUDI_ENGINE_ID_MME_0,
[GAUDI_QUEUE_ID_MME_1_0...GAUDI_QUEUE_ID_MME_1_3] = GAUDI_ENGINE_ID_MME_2,
[GAUDI_QUEUE_ID_TPC_0_0...GAUDI_QUEUE_ID_TPC_0_3] = GAUDI_ENGINE_ID_TPC_0,
[GAUDI_QUEUE_ID_TPC_1_0...GAUDI_QUEUE_ID_TPC_1_3] = GAUDI_ENGINE_ID_TPC_1,
[GAUDI_QUEUE_ID_TPC_2_0...GAUDI_QUEUE_ID_TPC_2_3] = GAUDI_ENGINE_ID_TPC_2,
[GAUDI_QUEUE_ID_TPC_3_0...GAUDI_QUEUE_ID_TPC_3_3] = GAUDI_ENGINE_ID_TPC_3,
[GAUDI_QUEUE_ID_TPC_4_0...GAUDI_QUEUE_ID_TPC_4_3] = GAUDI_ENGINE_ID_TPC_4,
[GAUDI_QUEUE_ID_TPC_5_0...GAUDI_QUEUE_ID_TPC_5_3] = GAUDI_ENGINE_ID_TPC_5,
[GAUDI_QUEUE_ID_TPC_6_0...GAUDI_QUEUE_ID_TPC_6_3] = GAUDI_ENGINE_ID_TPC_6,
[GAUDI_QUEUE_ID_TPC_7_0...GAUDI_QUEUE_ID_TPC_7_3] = GAUDI_ENGINE_ID_TPC_7,
[GAUDI_QUEUE_ID_NIC_0_0...GAUDI_QUEUE_ID_NIC_0_3] = GAUDI_ENGINE_ID_NIC_0,
[GAUDI_QUEUE_ID_NIC_1_0...GAUDI_QUEUE_ID_NIC_1_3] = GAUDI_ENGINE_ID_NIC_1,
[GAUDI_QUEUE_ID_NIC_2_0...GAUDI_QUEUE_ID_NIC_2_3] = GAUDI_ENGINE_ID_NIC_2,
[GAUDI_QUEUE_ID_NIC_3_0...GAUDI_QUEUE_ID_NIC_3_3] = GAUDI_ENGINE_ID_NIC_3,
[GAUDI_QUEUE_ID_NIC_4_0...GAUDI_QUEUE_ID_NIC_4_3] = GAUDI_ENGINE_ID_NIC_4,
[GAUDI_QUEUE_ID_NIC_5_0...GAUDI_QUEUE_ID_NIC_5_3] = GAUDI_ENGINE_ID_NIC_5,
[GAUDI_QUEUE_ID_NIC_6_0...GAUDI_QUEUE_ID_NIC_6_3] = GAUDI_ENGINE_ID_NIC_6,
[GAUDI_QUEUE_ID_NIC_7_0...GAUDI_QUEUE_ID_NIC_7_3] = GAUDI_ENGINE_ID_NIC_7,
[GAUDI_QUEUE_ID_NIC_8_0...GAUDI_QUEUE_ID_NIC_8_3] = GAUDI_ENGINE_ID_NIC_8,
[GAUDI_QUEUE_ID_NIC_9_0...GAUDI_QUEUE_ID_NIC_9_3] = GAUDI_ENGINE_ID_NIC_9,
};
/* The order here is opposite to the order of the indexing in the h/w.
* i.e. SYNC_MGR_W_S is actually 0, SYNC_MGR_E_S is 1, etc.
*/
static const char * const gaudi_sync_manager_names[] = {
"SYNC_MGR_E_N" ,
"SYNC_MGR_W_N" ,
"SYNC_MGR_E_S" ,
"SYNC_MGR_W_S" ,
NULL
};
struct ecc_info_extract_params {
u64 block_address;
u32 num_memories;
bool derr;
};
static int gaudi_mmu_update_asid_hop0_addr(struct hl_device *hdev, u32 asid,
u64 phys_addr);
static int gaudi_send_job_on_qman0(struct hl_device *hdev,
struct hl_cs_job *job);
static int gaudi_memset_device_memory(struct hl_device *hdev, u64 addr,
u32 size, u64 val);
static int gaudi_memset_registers(struct hl_device *hdev, u64 reg_base,
u32 num_regs, u32 val);
static int gaudi_run_tpc_kernel(struct hl_device *hdev, u64 tpc_kernel,
u32 tpc_id);
static int gaudi_mmu_clear_pgt_range(struct hl_device *hdev);
static int gaudi_cpucp_info_get(struct hl_device *hdev);
static void gaudi_disable_clock_gating(struct hl_device *hdev);
static void gaudi_mmu_prepare(struct hl_device *hdev, u32 asid);
static u32 gaudi_gen_signal_cb(struct hl_device *hdev, void *data, u16 sob_id,
u32 size, bool eb);
static u32 gaudi_gen_wait_cb(struct hl_device *hdev,
struct hl_gen_wait_properties *prop);
static inline enum hl_collective_mode
get_collective_mode(struct hl_device *hdev, u32 queue_id)
{
if (gaudi_queue_type[queue_id] == QUEUE_TYPE_EXT)
return HL_COLLECTIVE_MASTER;
if (queue_id >= GAUDI_QUEUE_ID_DMA_5_0 &&
queue_id <= GAUDI_QUEUE_ID_DMA_5_3)
return HL_COLLECTIVE_SLAVE;
if (queue_id >= GAUDI_QUEUE_ID_TPC_7_0 &&
queue_id <= GAUDI_QUEUE_ID_TPC_7_3)
return HL_COLLECTIVE_SLAVE;
if (queue_id >= GAUDI_QUEUE_ID_NIC_0_0 &&
queue_id <= GAUDI_QUEUE_ID_NIC_9_3)
return HL_COLLECTIVE_SLAVE;
return HL_COLLECTIVE_NOT_SUPPORTED;
}
static inline void set_default_power_values(struct hl_device *hdev)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
if (hdev->card_type == cpucp_card_type_pmc) {
prop->max_power_default = MAX_POWER_DEFAULT_PMC;
if (prop->fw_security_enabled)
prop->dc_power_default = DC_POWER_DEFAULT_PMC_SEC;
else
prop->dc_power_default = DC_POWER_DEFAULT_PMC;
} else {
prop->max_power_default = MAX_POWER_DEFAULT_PCI;
prop->dc_power_default = DC_POWER_DEFAULT_PCI;
}
}
static int gaudi_set_fixed_properties(struct hl_device *hdev)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
u32 num_sync_stream_queues = 0;
int i;
prop->max_queues = GAUDI_QUEUE_ID_SIZE;
prop->hw_queues_props = kcalloc(prop->max_queues,
sizeof (struct hw_queue_properties),
GFP_KERNEL);
if (!prop->hw_queues_props)
return -ENOMEM;
for (i = 0 ; i < prop->max_queues ; i++) {
if (gaudi_queue_type[i] == QUEUE_TYPE_EXT) {
prop->hw_queues_props[i].type = QUEUE_TYPE_EXT;
prop->hw_queues_props[i].driver_only = 0;
prop->hw_queues_props[i].supports_sync_stream = 1;
prop->hw_queues_props[i].cb_alloc_flags =
CB_ALLOC_KERNEL;
num_sync_stream_queues++;
} else if (gaudi_queue_type[i] == QUEUE_TYPE_CPU) {
prop->hw_queues_props[i].type = QUEUE_TYPE_CPU;
prop->hw_queues_props[i].driver_only = 1;
prop->hw_queues_props[i].supports_sync_stream = 0;
prop->hw_queues_props[i].cb_alloc_flags =
CB_ALLOC_KERNEL;
} else if (gaudi_queue_type[i] == QUEUE_TYPE_INT) {
prop->hw_queues_props[i].type = QUEUE_TYPE_INT;
prop->hw_queues_props[i].driver_only = 0;
prop->hw_queues_props[i].supports_sync_stream = 0;
prop->hw_queues_props[i].cb_alloc_flags =
CB_ALLOC_USER;
}
prop->hw_queues_props[i].collective_mode =
get_collective_mode(hdev, i);
}
prop->cache_line_size = DEVICE_CACHE_LINE_SIZE;
prop->cfg_base_address = CFG_BASE;
prop->device_dma_offset_for_host_access = HOST_PHYS_BASE;
prop->host_base_address = HOST_PHYS_BASE;
prop->host_end_address = prop->host_base_address + HOST_PHYS_SIZE;
prop->completion_queues_count = NUMBER_OF_CMPLT_QUEUES;
prop->completion_mode = HL_COMPLETION_MODE_JOB;
prop->collective_first_sob = 0;
prop->collective_first_mon = 0;
/* 2 SOBs per internal queue stream are reserved for collective */
prop->sync_stream_first_sob =
ALIGN(NUMBER_OF_SOBS_IN_GRP, HL_MAX_SOBS_PER_MONITOR)
* QMAN_STREAMS * HL_RSVD_SOBS;
/* 1 monitor per internal queue stream are reserved for collective
* 2 monitors per external queue stream are reserved for collective
*/
prop->sync_stream_first_mon =
(NUMBER_OF_COLLECTIVE_QUEUES * QMAN_STREAMS) +
(NUMBER_OF_EXT_HW_QUEUES * 2);
prop->dram_base_address = DRAM_PHYS_BASE;
prop->dram_size = GAUDI_HBM_SIZE_32GB;
prop->dram_end_address = prop->dram_base_address + prop->dram_size;
prop->dram_user_base_address = DRAM_BASE_ADDR_USER;
prop->sram_base_address = SRAM_BASE_ADDR;
prop->sram_size = SRAM_SIZE;
prop->sram_end_address = prop->sram_base_address + prop->sram_size;
prop->sram_user_base_address =
prop->sram_base_address + SRAM_USER_BASE_OFFSET;
prop->mmu_cache_mng_addr = MMU_CACHE_MNG_ADDR;
prop->mmu_cache_mng_size = MMU_CACHE_MNG_SIZE;
prop->mmu_pgt_addr = MMU_PAGE_TABLES_ADDR;
if (hdev->pldm)
prop->mmu_pgt_size = 0x800000; /* 8MB */
else
prop->mmu_pgt_size = MMU_PAGE_TABLES_SIZE;
prop->mmu_pte_size = HL_PTE_SIZE;
prop->dram_page_size = PAGE_SIZE_2MB;
prop->device_mem_alloc_default_page_size = prop->dram_page_size;
prop->dram_supports_virtual_memory = false ;
prop->pmmu.hop_shifts[MMU_HOP0] = MMU_V1_1_HOP0_SHIFT;
prop->pmmu.hop_shifts[MMU_HOP1] = MMU_V1_1_HOP1_SHIFT;
prop->pmmu.hop_shifts[MMU_HOP2] = MMU_V1_1_HOP2_SHIFT;
prop->pmmu.hop_shifts[MMU_HOP3] = MMU_V1_1_HOP3_SHIFT;
prop->pmmu.hop_shifts[MMU_HOP4] = MMU_V1_1_HOP4_SHIFT;
prop->pmmu.hop_masks[MMU_HOP0] = MMU_V1_1_HOP0_MASK;
prop->pmmu.hop_masks[MMU_HOP1] = MMU_V1_1_HOP1_MASK;
prop->pmmu.hop_masks[MMU_HOP2] = MMU_V1_1_HOP2_MASK;
prop->pmmu.hop_masks[MMU_HOP3] = MMU_V1_1_HOP3_MASK;
prop->pmmu.hop_masks[MMU_HOP4] = MMU_V1_1_HOP4_MASK;
prop->pmmu.start_addr = VA_HOST_SPACE_START;
prop->pmmu.end_addr =
(VA_HOST_SPACE_START + VA_HOST_SPACE_SIZE / 2) - 1;
prop->pmmu.page_size = PAGE_SIZE_4KB;
prop->pmmu.num_hops = MMU_ARCH_5_HOPS;
prop->pmmu.last_mask = LAST_MASK;
/* TODO: will be duplicated until implementing per-MMU props */
prop->pmmu.hop_table_size = HOP_TABLE_SIZE_512_PTE;
prop->pmmu.hop0_tables_total_size = HOP0_512_PTE_TABLES_TOTAL_SIZE;
/* PMMU and HPMMU are the same except of page size */
memcpy(&prop->pmmu_huge, &prop->pmmu, sizeof (prop->pmmu));
prop->pmmu_huge.page_size = PAGE_SIZE_2MB;
/* shifts and masks are the same in PMMU and DMMU */
memcpy(&prop->dmmu, &prop->pmmu, sizeof (prop->pmmu));
prop->dmmu.start_addr = (VA_HOST_SPACE_START + VA_HOST_SPACE_SIZE / 2);
prop->dmmu.end_addr = VA_HOST_SPACE_END;
prop->dmmu.page_size = PAGE_SIZE_2MB;
prop->dmmu.pgt_size = prop->mmu_pgt_size;
prop->cfg_size = CFG_SIZE;
prop->max_asid = MAX_ASID;
prop->num_of_events = GAUDI_EVENT_SIZE;
prop->max_num_of_engines = GAUDI_ENGINE_ID_SIZE;
prop->tpc_enabled_mask = TPC_ENABLED_MASK;
set_default_power_values(hdev);
prop->cb_pool_cb_cnt = GAUDI_CB_POOL_CB_CNT;
prop->cb_pool_cb_size = GAUDI_CB_POOL_CB_SIZE;
prop->pcie_dbi_base_address = mmPCIE_DBI_BASE;
prop->pcie_aux_dbi_reg_addr = CFG_BASE + mmPCIE_AUX_DBI;
strscpy_pad(prop->cpucp_info.card_name, GAUDI_DEFAULT_CARD_NAME,
CARD_NAME_MAX_LEN);
prop->max_pending_cs = GAUDI_MAX_PENDING_CS;
prop->first_available_user_sob[HL_GAUDI_WS_DCORE] =
prop->sync_stream_first_sob +
(num_sync_stream_queues * HL_RSVD_SOBS);
prop->first_available_user_mon[HL_GAUDI_WS_DCORE] =
prop->sync_stream_first_mon +
(num_sync_stream_queues * HL_RSVD_MONS);
prop->first_available_user_interrupt = USHRT_MAX;
prop->tpc_interrupt_id = USHRT_MAX;
/* single msi */
prop->eq_interrupt_id = 0;
for (i = 0 ; i < HL_MAX_DCORES ; i++)
prop->first_available_cq[i] = USHRT_MAX;
prop->fw_cpu_boot_dev_sts0_valid = false ;
prop->fw_cpu_boot_dev_sts1_valid = false ;
prop->hard_reset_done_by_fw = false ;
prop->gic_interrupts_enable = true ;
prop->server_type = HL_SERVER_TYPE_UNKNOWN;
prop->clk_pll_index = HL_GAUDI_MME_PLL;
prop->max_freq_value = GAUDI_MAX_CLK_FREQ;
prop->use_get_power_for_reset_history = true ;
prop->configurable_stop_on_err = true ;
prop->set_max_power_on_device_init = true ;
prop->dma_mask = 48;
prop->hbw_flush_reg = mmPCIE_WRAP_RR_ELBI_RD_SEC_REG_CTRL;
return 0;
}
static int gaudi_pci_bars_map(struct hl_device *hdev)
{
static const char * const name[] = {"SRAM" , "CFG" , "HBM" };
bool is_wc[3] = {false , false , true };
int rc;
rc = hl_pci_bars_map(hdev, name, is_wc);
if (rc)
return rc;
hdev->rmmio = hdev->pcie_bar[CFG_BAR_ID] +
(CFG_BASE - SPI_FLASH_BASE_ADDR);
return 0;
}
static u64 gaudi_set_hbm_bar_base(struct hl_device *hdev, u64 addr)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct hl_inbound_pci_region pci_region;
u64 old_addr = addr;
int rc;
if ((gaudi) && (gaudi->hbm_bar_cur_addr == addr))
return old_addr;
if (hdev->asic_prop.iatu_done_by_fw)
return U64_MAX;
/* Inbound Region 2 - Bar 4 - Point to HBM */
pci_region.mode = PCI_BAR_MATCH_MODE;
pci_region.bar = HBM_BAR_ID;
pci_region.addr = addr;
rc = hl_pci_set_inbound_region(hdev, 2, &pci_region);
if (rc)
return U64_MAX;
if (gaudi) {
old_addr = gaudi->hbm_bar_cur_addr;
gaudi->hbm_bar_cur_addr = addr;
}
return old_addr;
}
static int gaudi_init_iatu(struct hl_device *hdev)
{
struct hl_inbound_pci_region inbound_region;
struct hl_outbound_pci_region outbound_region;
int rc;
if (hdev->asic_prop.iatu_done_by_fw)
return 0;
/* Inbound Region 0 - Bar 0 - Point to SRAM + CFG */
inbound_region.mode = PCI_BAR_MATCH_MODE;
inbound_region.bar = SRAM_BAR_ID;
inbound_region.addr = SRAM_BASE_ADDR;
rc = hl_pci_set_inbound_region(hdev, 0, &inbound_region);
if (rc)
goto done;
/* Inbound Region 1 - Bar 2 - Point to SPI FLASH */
inbound_region.mode = PCI_BAR_MATCH_MODE;
inbound_region.bar = CFG_BAR_ID;
inbound_region.addr = SPI_FLASH_BASE_ADDR;
rc = hl_pci_set_inbound_region(hdev, 1, &inbound_region);
if (rc)
goto done;
/* Inbound Region 2 - Bar 4 - Point to HBM */
inbound_region.mode = PCI_BAR_MATCH_MODE;
inbound_region.bar = HBM_BAR_ID;
inbound_region.addr = DRAM_PHYS_BASE;
rc = hl_pci_set_inbound_region(hdev, 2, &inbound_region);
if (rc)
goto done;
/* Outbound Region 0 - Point to Host */
outbound_region.addr = HOST_PHYS_BASE;
outbound_region.size = HOST_PHYS_SIZE;
rc = hl_pci_set_outbound_region(hdev, &outbound_region);
done:
return rc;
}
static enum hl_device_hw_state gaudi_get_hw_state(struct hl_device *hdev)
{
return RREG32(mmHW_STATE);
}
static int gaudi_early_init(struct hl_device *hdev)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
struct pci_dev *pdev = hdev->pdev;
resource_size_t pci_bar_size;
u32 fw_boot_status;
int rc;
rc = gaudi_set_fixed_properties(hdev);
if (rc) {
dev_err(hdev->dev, "Failed setting fixed properties\n" );
return rc;
}
/* Check BAR sizes */
pci_bar_size = pci_resource_len(pdev, SRAM_BAR_ID);
if (pci_bar_size != SRAM_BAR_SIZE) {
dev_err(hdev->dev, "Not " HL_NAME "? BAR %d size %pa, expecting %llu\n" ,
SRAM_BAR_ID, &pci_bar_size, SRAM_BAR_SIZE);
rc = -ENODEV;
goto free_queue_props;
}
pci_bar_size = pci_resource_len(pdev, CFG_BAR_ID);
if (pci_bar_size != CFG_BAR_SIZE) {
dev_err(hdev->dev, "Not " HL_NAME "? BAR %d size %pa, expecting %llu\n" ,
CFG_BAR_ID, &pci_bar_size, CFG_BAR_SIZE);
rc = -ENODEV;
goto free_queue_props;
}
prop->dram_pci_bar_size = pci_resource_len(pdev, HBM_BAR_ID);
hdev->dram_pci_bar_start = pci_resource_start(pdev, HBM_BAR_ID);
/* If FW security is enabled at this point it means no access to ELBI */
if (hdev->asic_prop.fw_security_enabled) {
hdev->asic_prop.iatu_done_by_fw = true ;
/*
* GIC-security-bit can ONLY be set by CPUCP, so in this stage
* decision can only be taken based on PCI ID security.
*/
hdev->asic_prop.gic_interrupts_enable = false ;
goto pci_init;
}
rc = hl_pci_elbi_read(hdev, CFG_BASE + mmCPU_BOOT_DEV_STS0,
&fw_boot_status);
if (rc)
goto free_queue_props;
/* Check whether FW is configuring iATU */
if ((fw_boot_status & CPU_BOOT_DEV_STS0_ENABLED) &&
(fw_boot_status & CPU_BOOT_DEV_STS0_FW_IATU_CONF_EN))
hdev->asic_prop.iatu_done_by_fw = true ;
pci_init:
rc = hl_pci_init(hdev);
if (rc)
goto free_queue_props;
/* Before continuing in the initialization, we need to read the preboot
* version to determine whether we run with a security-enabled firmware
*/
rc = hl_fw_read_preboot_status(hdev);
if (rc) {
if (hdev->reset_on_preboot_fail)
/* we are already on failure flow, so don't check if hw_fini fails. */
hdev->asic_funcs->hw_fini(hdev, true , false );
goto pci_fini;
}
if (gaudi_get_hw_state(hdev) == HL_DEVICE_HW_STATE_DIRTY) {
dev_dbg(hdev->dev, "H/W state is dirty, must reset before initializing\n" );
rc = hdev->asic_funcs->hw_fini(hdev, true , false );
if (rc) {
dev_err(hdev->dev, "failed to reset HW in dirty state (%d)\n" , rc);
goto pci_fini;
}
}
return 0;
pci_fini:
hl_pci_fini(hdev);
free_queue_props:
kfree(hdev->asic_prop.hw_queues_props);
return rc;
}
static int gaudi_early_fini(struct hl_device *hdev)
{
kfree(hdev->asic_prop.hw_queues_props);
hl_pci_fini(hdev);
return 0;
}
/**
* gaudi_fetch_psoc_frequency - Fetch PSOC frequency values
*
* @hdev: pointer to hl_device structure
*
*/
static int gaudi_fetch_psoc_frequency(struct hl_device *hdev)
{
u32 nr = 0, nf = 0, od = 0, div_fctr = 0, pll_clk, div_sel;
struct asic_fixed_properties *prop = &hdev->asic_prop;
u16 pll_freq_arr[HL_PLL_NUM_OUTPUTS], freq;
int rc;
if ((hdev->fw_components & FW_TYPE_LINUX) &&
(prop->fw_app_cpu_boot_dev_sts0 & CPU_BOOT_DEV_STS0_PLL_INFO_EN)) {
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q))
return 0;
rc = hl_fw_cpucp_pll_info_get(hdev, HL_GAUDI_CPU_PLL, pll_freq_arr);
if (rc)
return rc;
freq = pll_freq_arr[2];
} else {
/* Backward compatibility */
div_fctr = RREG32(mmPSOC_CPU_PLL_DIV_FACTOR_2);
div_sel = RREG32(mmPSOC_CPU_PLL_DIV_SEL_2);
nr = RREG32(mmPSOC_CPU_PLL_NR);
nf = RREG32(mmPSOC_CPU_PLL_NF);
od = RREG32(mmPSOC_CPU_PLL_OD);
if (div_sel == DIV_SEL_REF_CLK ||
div_sel == DIV_SEL_DIVIDED_REF) {
if (div_sel == DIV_SEL_REF_CLK)
freq = PLL_REF_CLK;
else
freq = PLL_REF_CLK / (div_fctr + 1);
} else if (div_sel == DIV_SEL_PLL_CLK ||
div_sel == DIV_SEL_DIVIDED_PLL) {
pll_clk = PLL_REF_CLK * (nf + 1) /
((nr + 1) * (od + 1));
if (div_sel == DIV_SEL_PLL_CLK)
freq = pll_clk;
else
freq = pll_clk / (div_fctr + 1);
} else {
dev_warn(hdev->dev, "Received invalid div select value: %#x" , div_sel);
freq = 0;
}
}
prop->psoc_timestamp_frequency = freq;
prop->psoc_pci_pll_nr = nr;
prop->psoc_pci_pll_nf = nf;
prop->psoc_pci_pll_od = od;
prop->psoc_pci_pll_div_factor = div_fctr;
return 0;
}
static int _gaudi_init_tpc_mem(struct hl_device *hdev,
dma_addr_t tpc_kernel_src_addr, u32 tpc_kernel_size)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
struct packet_lin_dma *init_tpc_mem_pkt;
struct hl_cs_job *job;
struct hl_cb *cb;
u64 dst_addr;
u32 cb_size, ctl;
u8 tpc_id;
int rc;
cb = hl_cb_kernel_create(hdev, PAGE_SIZE, false );
if (!cb)
return -EFAULT;
init_tpc_mem_pkt = cb->kernel_address;
cb_size = sizeof (*init_tpc_mem_pkt);
memset(init_tpc_mem_pkt, 0, cb_size);
init_tpc_mem_pkt->tsize = cpu_to_le32(tpc_kernel_size);
ctl = FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_LIN_DMA);
ctl |= FIELD_PREP(GAUDI_PKT_LIN_DMA_CTL_LIN_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_RB_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
init_tpc_mem_pkt->ctl = cpu_to_le32(ctl);
init_tpc_mem_pkt->src_addr = cpu_to_le64(tpc_kernel_src_addr);
/* TPC_CMD is configured with I$ prefetch enabled, so address should be aligned to 8KB */
dst_addr = FIELD_PREP(GAUDI_PKT_LIN_DMA_DST_ADDR_MASK,
round_up(prop->sram_user_base_address, SZ_8K));
init_tpc_mem_pkt->dst_addr |= cpu_to_le64(dst_addr);
job = hl_cs_allocate_job(hdev, QUEUE_TYPE_EXT, true );
if (!job) {
dev_err(hdev->dev, "Failed to allocate a new job\n" );
rc = -ENOMEM;
goto release_cb;
}
job->id = 0;
job->user_cb = cb;
atomic_inc(&job->user_cb->cs_cnt);
job->user_cb_size = cb_size;
job->hw_queue_id = GAUDI_QUEUE_ID_DMA_0_0;
job->patched_cb = job->user_cb;
job->job_cb_size = job->user_cb_size + sizeof (struct packet_msg_prot);
hl_debugfs_add_job(hdev, job);
rc = gaudi_send_job_on_qman0(hdev, job);
if (rc)
goto free_job;
for (tpc_id = 0 ; tpc_id < TPC_NUMBER_OF_ENGINES ; tpc_id++) {
rc = gaudi_run_tpc_kernel(hdev, dst_addr, tpc_id);
if (rc)
break ;
}
free_job:
hl_userptr_delete_list(hdev, &job->userptr_list);
hl_debugfs_remove_job(hdev, job);
kfree(job);
atomic_dec(&cb->cs_cnt);
release_cb:
hl_cb_put(cb);
hl_cb_destroy(&hdev->kernel_mem_mgr, cb->buf->handle);
return rc;
}
/*
* gaudi_init_tpc_mem() - Initialize TPC memories.
* @hdev: Pointer to hl_device structure.
*
* Copy TPC kernel fw from firmware file and run it to initialize TPC memories.
*
* Return: 0 for success, negative value for error.
*/
static int gaudi_init_tpc_mem(struct hl_device *hdev)
{
const struct firmware *fw;
size_t fw_size;
void *cpu_addr;
dma_addr_t dma_handle;
int rc, count = 5;
again:
rc = request_firmware(&fw, GAUDI_TPC_FW_FILE, hdev->dev);
if (rc == -EINTR && count-- > 0) {
msleep(50);
goto again;
}
if (rc) {
dev_err(hdev->dev, "Failed to load firmware file %s\n" ,
GAUDI_TPC_FW_FILE);
goto out;
}
fw_size = fw->size;
cpu_addr = hl_asic_dma_alloc_coherent(hdev, fw_size, &dma_handle, GFP_KERNEL | __GFP_ZERO);
if (!cpu_addr) {
dev_err(hdev->dev,
"Failed to allocate %zu of dma memory for TPC kernel\n" ,
fw_size);
rc = -ENOMEM;
goto out;
}
memcpy(cpu_addr, fw->data, fw_size);
rc = _gaudi_init_tpc_mem(hdev, dma_handle, fw_size);
hl_asic_dma_free_coherent(hdev, fw->size, cpu_addr, dma_handle);
out:
release_firmware(fw);
return rc;
}
static void gaudi_collective_map_sobs(struct hl_device *hdev, u32 stream)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_collective_properties *prop = &gaudi->collective_props;
struct hl_hw_queue *q;
u32 i, sob_id, sob_group_id, queue_id;
/* Iterate through SOB groups and assign a SOB for each slave queue */
sob_group_id =
stream * HL_RSVD_SOBS + prop->curr_sob_group_idx[stream];
sob_id = prop->hw_sob_group[sob_group_id].base_sob_id;
queue_id = GAUDI_QUEUE_ID_NIC_0_0 + stream;
for (i = 0 ; i < NIC_NUMBER_OF_ENGINES ; i++) {
q = &hdev->kernel_queues[queue_id + (4 * i)];
q->sync_stream_prop.collective_sob_id = sob_id + i;
}
/* Both DMA5 and TPC7 use the same resources since only a single
* engine need to participate in the reduction process
*/
queue_id = GAUDI_QUEUE_ID_DMA_5_0 + stream;
q = &hdev->kernel_queues[queue_id];
q->sync_stream_prop.collective_sob_id =
sob_id + NIC_NUMBER_OF_ENGINES;
queue_id = GAUDI_QUEUE_ID_TPC_7_0 + stream;
q = &hdev->kernel_queues[queue_id];
q->sync_stream_prop.collective_sob_id =
sob_id + NIC_NUMBER_OF_ENGINES;
}
static void gaudi_sob_group_hw_reset(struct kref *ref)
{
struct gaudi_hw_sob_group *hw_sob_group =
container_of(ref, struct gaudi_hw_sob_group, kref);
struct hl_device *hdev = hw_sob_group->hdev;
int i;
for (i = 0 ; i < NUMBER_OF_SOBS_IN_GRP ; i++)
WREG32((mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0 +
(hw_sob_group->base_sob_id * 4) + (i * 4)), 0);
kref_init(&hw_sob_group->kref);
}
static void gaudi_sob_group_reset_error(struct kref *ref)
{
struct gaudi_hw_sob_group *hw_sob_group =
container_of(ref, struct gaudi_hw_sob_group, kref);
struct hl_device *hdev = hw_sob_group->hdev;
dev_crit(hdev->dev,
"SOB release shouldn't be called here, base_sob_id: %d\n" ,
hw_sob_group->base_sob_id);
}
static void gaudi_collective_mstr_sob_mask_set(struct gaudi_device *gaudi)
{
struct gaudi_collective_properties *prop;
int i;
prop = &gaudi->collective_props;
memset(prop->mstr_sob_mask, 0, sizeof (prop->mstr_sob_mask));
for (i = 0 ; i < NIC_NUMBER_OF_ENGINES ; i++)
if (gaudi->hw_cap_initialized & BIT(HW_CAP_NIC_SHIFT + i))
prop->mstr_sob_mask[i / HL_MAX_SOBS_PER_MONITOR] |=
BIT(i % HL_MAX_SOBS_PER_MONITOR);
/* Set collective engine bit */
prop->mstr_sob_mask[i / HL_MAX_SOBS_PER_MONITOR] |=
BIT(i % HL_MAX_SOBS_PER_MONITOR);
}
static int gaudi_collective_init(struct hl_device *hdev)
{
u32 i, sob_id, reserved_sobs_per_group;
struct gaudi_collective_properties *prop;
struct gaudi_device *gaudi;
gaudi = hdev->asic_specific;
prop = &gaudi->collective_props;
sob_id = hdev->asic_prop.collective_first_sob;
/* First sob in group must be aligned to HL_MAX_SOBS_PER_MONITOR */
reserved_sobs_per_group =
ALIGN(NUMBER_OF_SOBS_IN_GRP, HL_MAX_SOBS_PER_MONITOR);
/* Init SOB groups */
for (i = 0 ; i < NUM_SOB_GROUPS; i++) {
prop->hw_sob_group[i].hdev = hdev;
prop->hw_sob_group[i].base_sob_id = sob_id;
sob_id += reserved_sobs_per_group;
gaudi_sob_group_hw_reset(&prop->hw_sob_group[i].kref);
}
for (i = 0 ; i < QMAN_STREAMS; i++) {
prop->next_sob_group_val[i] = 1;
prop->curr_sob_group_idx[i] = 0;
gaudi_collective_map_sobs(hdev, i);
}
gaudi_collective_mstr_sob_mask_set(gaudi);
return 0;
}
static void gaudi_reset_sob_group(struct hl_device *hdev, u16 sob_group)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_collective_properties *cprop = &gaudi->collective_props;
kref_put(&cprop->hw_sob_group[sob_group].kref,
gaudi_sob_group_hw_reset);
}
static void gaudi_collective_master_init_job(struct hl_device *hdev,
struct hl_cs_job *job, u32 stream, u32 sob_group_offset)
{
u32 master_sob_base, master_monitor, queue_id, cb_size = 0;
struct gaudi_collective_properties *cprop;
struct hl_gen_wait_properties wait_prop;
struct hl_sync_stream_properties *prop;
struct gaudi_device *gaudi;
gaudi = hdev->asic_specific;
cprop = &gaudi->collective_props;
queue_id = job->hw_queue_id;
prop = &hdev->kernel_queues[queue_id].sync_stream_prop;
master_sob_base =
cprop->hw_sob_group[sob_group_offset].base_sob_id;
master_monitor = prop->collective_mstr_mon_id[0];
cprop->hw_sob_group[sob_group_offset].queue_id = queue_id;
dev_dbg(hdev->dev,
"Generate master wait CBs, sob %d (mask %#x), val:0x%x, mon %u, q %d\n" ,
master_sob_base, cprop->mstr_sob_mask[0],
cprop->next_sob_group_val[stream],
master_monitor, queue_id);
wait_prop.data = (void *) job->patched_cb;
wait_prop.sob_base = master_sob_base;
wait_prop.sob_mask = cprop->mstr_sob_mask[0];
wait_prop.sob_val = cprop->next_sob_group_val[stream];
wait_prop.mon_id = master_monitor;
wait_prop.q_idx = queue_id;
wait_prop.size = cb_size;
cb_size += gaudi_gen_wait_cb(hdev, &wait_prop);
master_sob_base += HL_MAX_SOBS_PER_MONITOR;
master_monitor = prop->collective_mstr_mon_id[1];
dev_dbg(hdev->dev,
"Generate master wait CBs, sob %d (mask %#x), val:0x%x, mon %u, q %d\n" ,
master_sob_base, cprop->mstr_sob_mask[1],
cprop->next_sob_group_val[stream],
master_monitor, queue_id);
wait_prop.sob_base = master_sob_base;
wait_prop.sob_mask = cprop->mstr_sob_mask[1];
wait_prop.mon_id = master_monitor;
wait_prop.size = cb_size;
cb_size += gaudi_gen_wait_cb(hdev, &wait_prop);
}
static void gaudi_collective_slave_init_job(struct hl_device *hdev,
struct hl_cs_job *job, struct hl_cs_compl *cs_cmpl)
{
struct hl_gen_wait_properties wait_prop;
struct hl_sync_stream_properties *prop;
u32 queue_id, cb_size = 0;
queue_id = job->hw_queue_id;
prop = &hdev->kernel_queues[queue_id].sync_stream_prop;
if (job->cs->encaps_signals) {
/* use the encaps signal handle store earlier in the flow
* and set the SOB information from the encaps
* signals handle
*/
hl_hw_queue_encaps_sig_set_sob_info(hdev, job->cs, job,
cs_cmpl);
dev_dbg(hdev->dev, "collective wait: Sequence %llu found, sob_id: %u, wait for sob_val: %u\n" ,
job->cs->sequence,
cs_cmpl->hw_sob->sob_id,
cs_cmpl->sob_val);
}
/* Add to wait CBs using slave monitor */
wait_prop.data = (void *) job->user_cb;
wait_prop.sob_base = cs_cmpl->hw_sob->sob_id;
wait_prop.sob_mask = 0x1;
wait_prop.sob_val = cs_cmpl->sob_val;
wait_prop.mon_id = prop->collective_slave_mon_id;
wait_prop.q_idx = queue_id;
wait_prop.size = cb_size;
dev_dbg(hdev->dev,
"Generate slave wait CB, sob %d, val:%x, mon %d, q %d\n" ,
cs_cmpl->hw_sob->sob_id, cs_cmpl->sob_val,
prop->collective_slave_mon_id, queue_id);
cb_size += gaudi_gen_wait_cb(hdev, &wait_prop);
dev_dbg(hdev->dev,
"generate signal CB, sob_id: %d, sob val: 1, q_idx: %d\n" ,
prop->collective_sob_id, queue_id);
cb_size += gaudi_gen_signal_cb(hdev, job->user_cb,
prop->collective_sob_id, cb_size, false );
}
static int gaudi_collective_wait_init_cs(struct hl_cs *cs)
{
struct hl_cs_compl *signal_cs_cmpl =
container_of(cs->signal_fence, struct hl_cs_compl, base_fence);
struct hl_cs_compl *cs_cmpl =
container_of(cs->fence, struct hl_cs_compl, base_fence);
struct hl_cs_encaps_sig_handle *handle = cs->encaps_sig_hdl;
struct gaudi_collective_properties *cprop;
u32 stream, queue_id, sob_group_offset;
struct gaudi_device *gaudi;
struct hl_device *hdev;
struct hl_cs_job *job;
struct hl_ctx *ctx;
ctx = cs->ctx;
hdev = ctx->hdev;
gaudi = hdev->asic_specific;
cprop = &gaudi->collective_props;
if (cs->encaps_signals) {
cs_cmpl->hw_sob = handle->hw_sob;
/* at this checkpoint we only need the hw_sob pointer
* for the completion check before start going over the jobs
* of the master/slaves, the sob_value will be taken later on
* in gaudi_collective_slave_init_job depends on each
* job wait offset value.
*/
cs_cmpl->sob_val = 0;
} else {
/* copy the SOB id and value of the signal CS */
cs_cmpl->hw_sob = signal_cs_cmpl->hw_sob;
cs_cmpl->sob_val = signal_cs_cmpl->sob_val;
}
/* check again if the signal cs already completed.
* if yes then don't send any wait cs since the hw_sob
* could be in reset already. if signal is not completed
* then get refcount to hw_sob to prevent resetting the sob
* while wait cs is not submitted.
* note that this check is protected by two locks,
* hw queue lock and completion object lock,
* and the same completion object lock also protects
* the hw_sob reset handler function.
* The hw_queue lock prevent out of sync of hw_sob
* refcount value, changed by signal/wait flows.
*/
spin_lock(&signal_cs_cmpl->lock);
if (completion_done(&cs->signal_fence->completion)) {
spin_unlock(&signal_cs_cmpl->lock);
return -EINVAL;
}
/* Increment kref since all slave queues are now waiting on it */
kref_get(&cs_cmpl->hw_sob->kref);
spin_unlock(&signal_cs_cmpl->lock);
/* Calculate the stream from collective master queue (1st job) */
job = list_first_entry(&cs->job_list, struct hl_cs_job, cs_node);
stream = job->hw_queue_id % 4;
sob_group_offset =
stream * HL_RSVD_SOBS + cprop->curr_sob_group_idx[stream];
list_for_each_entry(job, &cs->job_list, cs_node) {
queue_id = job->hw_queue_id;
if (hdev->kernel_queues[queue_id].collective_mode ==
HL_COLLECTIVE_MASTER)
gaudi_collective_master_init_job(hdev, job, stream,
sob_group_offset);
else
gaudi_collective_slave_init_job(hdev, job, cs_cmpl);
}
cs_cmpl->sob_group = sob_group_offset;
/* Handle sob group kref and wraparound */
kref_get(&cprop->hw_sob_group[sob_group_offset].kref);
cprop->next_sob_group_val[stream]++;
if (cprop->next_sob_group_val[stream] == HL_MAX_SOB_VAL) {
/*
* Decrement as we reached the max value.
* The release function won't be called here as we've
* just incremented the refcount.
*/
kref_put(&cprop->hw_sob_group[sob_group_offset].kref,
gaudi_sob_group_reset_error);
cprop->next_sob_group_val[stream] = 1;
/* only two SOBs are currently in use */
cprop->curr_sob_group_idx[stream] =
(cprop->curr_sob_group_idx[stream] + 1) &
(HL_RSVD_SOBS - 1);
gaudi_collective_map_sobs(hdev, stream);
dev_dbg(hdev->dev, "switched to SOB group %d, stream: %d\n" ,
cprop->curr_sob_group_idx[stream], stream);
}
mb();
hl_fence_put(cs->signal_fence);
cs->signal_fence = NULL;
return 0;
}
static u32 gaudi_get_patched_cb_extra_size(u32 user_cb_size)
{
u32 cacheline_end, additional_commands;
cacheline_end = round_up(user_cb_size, DEVICE_CACHE_LINE_SIZE);
additional_commands = sizeof (struct packet_msg_prot) * 2;
if (user_cb_size + additional_commands > cacheline_end)
return cacheline_end - user_cb_size + additional_commands;
else
return additional_commands;
}
static int gaudi_collective_wait_create_job(struct hl_device *hdev,
struct hl_ctx *ctx, struct hl_cs *cs,
enum hl_collective_mode mode, u32 queue_id, u32 wait_queue_id,
u32 encaps_signal_offset)
{
struct hw_queue_properties *hw_queue_prop;
struct hl_cs_counters_atomic *cntr;
struct hl_cs_job *job;
struct hl_cb *cb;
u32 cb_size;
bool patched_cb;
cntr = &hdev->aggregated_cs_counters;
if (mode == HL_COLLECTIVE_MASTER) {
/* CB size of collective master queue contains
* 4 msg short packets for monitor 1 configuration
* 1 fence packet
* 4 msg short packets for monitor 2 configuration
* 1 fence packet
* 2 msg prot packets for completion and MSI
*/
cb_size = sizeof (struct packet_msg_short) * 8 +
sizeof (struct packet_fence) * 2 +
sizeof (struct packet_msg_prot) * 2;
patched_cb = true ;
} else {
/* CB size of collective slave queues contains
* 4 msg short packets for monitor configuration
* 1 fence packet
* 1 additional msg short packet for sob signal
*/
cb_size = sizeof (struct packet_msg_short) * 5 +
sizeof (struct packet_fence);
patched_cb = false ;
}
hw_queue_prop = &hdev->asic_prop.hw_queues_props[queue_id];
job = hl_cs_allocate_job(hdev, hw_queue_prop->type, true );
if (!job) {
atomic64_inc(&ctx->cs_counters.out_of_mem_drop_cnt);
atomic64_inc(&cntr->out_of_mem_drop_cnt);
dev_err(hdev->dev, "Failed to allocate a new job\n" );
return -ENOMEM;
}
/* Allocate internal mapped CB for non patched CBs */
cb = hl_cb_kernel_create(hdev, cb_size, !patched_cb);
if (!cb) {
atomic64_inc(&ctx->cs_counters.out_of_mem_drop_cnt);
atomic64_inc(&cntr->out_of_mem_drop_cnt);
kfree(job);
return -EFAULT;
}
job->id = 0;
job->cs = cs;
job->user_cb = cb;
atomic_inc(&job->user_cb->cs_cnt);
job->user_cb_size = cb_size;
job->hw_queue_id = queue_id;
/* since its guaranteed to have only one chunk in the collective wait
* cs, we can use this chunk to set the encapsulated signal offset
* in the jobs.
*/
if (cs->encaps_signals)
job->encaps_sig_wait_offset = encaps_signal_offset;
/*
* No need in parsing, user CB is the patched CB.
* We call hl_cb_destroy() out of two reasons - we don't need
* the CB in the CB idr anymore and to decrement its refcount as
* it was incremented inside hl_cb_kernel_create().
*/
if (patched_cb)
job->patched_cb = job->user_cb;
else
job->patched_cb = NULL;
job->job_cb_size = job->user_cb_size;
hl_cb_destroy(&hdev->kernel_mem_mgr, cb->buf->handle);
/* increment refcount as for external queues we get completion */
if (hw_queue_prop->type == QUEUE_TYPE_EXT)
cs_get(cs);
cs->jobs_in_queue_cnt[job->hw_queue_id]++;
list_add_tail(&job->cs_node, &cs->job_list);
hl_debugfs_add_job(hdev, job);
return 0;
}
static int gaudi_collective_wait_create_jobs(struct hl_device *hdev,
struct hl_ctx *ctx, struct hl_cs *cs,
u32 wait_queue_id, u32 collective_engine_id,
u32 encaps_signal_offset)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct hw_queue_properties *hw_queue_prop;
u32 queue_id, collective_queue, num_jobs;
u32 stream, nic_queue, nic_idx = 0;
bool skip;
int i, rc = 0;
/* Verify wait queue id is configured as master */
hw_queue_prop = &hdev->asic_prop.hw_queues_props[wait_queue_id];
if (!(hw_queue_prop->collective_mode == HL_COLLECTIVE_MASTER)) {
dev_err(hdev->dev,
"Queue %d is not configured as collective master\n" ,
wait_queue_id);
return -EINVAL;
}
/* Verify engine id is supported */
if (collective_engine_id != GAUDI_ENGINE_ID_DMA_5 &&
collective_engine_id != GAUDI_ENGINE_ID_TPC_7) {
dev_err(hdev->dev,
"Collective wait does not support engine %u\n" ,
collective_engine_id);
return -EINVAL;
}
stream = wait_queue_id % 4;
if (collective_engine_id == GAUDI_ENGINE_ID_DMA_5)
collective_queue = GAUDI_QUEUE_ID_DMA_5_0 + stream;
else
collective_queue = GAUDI_QUEUE_ID_TPC_7_0 + stream;
num_jobs = NUMBER_OF_SOBS_IN_GRP + 1;
nic_queue = GAUDI_QUEUE_ID_NIC_0_0 + stream;
/* First job goes to the collective master queue, it will wait for
* the collective slave queues to finish execution.
* The synchronization is done using two monitors:
* First monitor for NICs 0-7, second monitor for NICs 8-9 and the
* reduction engine (DMA5/TPC7).
*
* Rest of the jobs goes to the collective slave queues which will
* all wait for the user to signal sob 'cs_cmpl->sob_val'.
*/
for (i = 0 ; i < num_jobs ; i++) {
if (i == 0) {
queue_id = wait_queue_id;
rc = gaudi_collective_wait_create_job(hdev, ctx, cs,
HL_COLLECTIVE_MASTER, queue_id,
wait_queue_id, encaps_signal_offset);
} else {
if (nic_idx < NIC_NUMBER_OF_ENGINES) {
if (gaudi->hw_cap_initialized &
BIT(HW_CAP_NIC_SHIFT + nic_idx))
skip = false ;
else
skip = true ;
queue_id = nic_queue;
nic_queue += 4;
nic_idx++;
if (skip)
continue ;
} else {
queue_id = collective_queue;
}
rc = gaudi_collective_wait_create_job(hdev, ctx, cs,
HL_COLLECTIVE_SLAVE, queue_id,
wait_queue_id, encaps_signal_offset);
}
if (rc)
return rc;
}
return rc;
}
static int gaudi_late_init(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
int rc;
rc = gaudi->cpucp_info_get(hdev);
if (rc) {
dev_err(hdev->dev, "Failed to get cpucp info\n" );
return rc;
}
if ((hdev->card_type == cpucp_card_type_pci) &&
(hdev->nic_ports_mask & 0x3)) {
dev_info(hdev->dev,
"PCI card detected, only 8 ports are enabled\n" );
hdev->nic_ports_mask &= ~0x3;
/* Stop and disable unused NIC QMANs */
WREG32(mmNIC0_QM0_GLBL_CFG1, NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
WREG32(mmNIC0_QM1_GLBL_CFG1, NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
WREG32(mmNIC0_QM0_GLBL_CFG0, 0);
WREG32(mmNIC0_QM1_GLBL_CFG0, 0);
gaudi->hw_cap_initialized &= ~(HW_CAP_NIC0 | HW_CAP_NIC1);
}
rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_ENABLE_PCI_ACCESS, 0x0);
if (rc)
return rc;
/* Scrub both SRAM and DRAM */
rc = hdev->asic_funcs->scrub_device_mem(hdev);
if (rc)
goto disable_pci_access;
rc = gaudi_fetch_psoc_frequency(hdev);
if (rc) {
dev_err(hdev->dev, "Failed to fetch psoc frequency\n" );
goto disable_pci_access;
}
rc = gaudi_mmu_clear_pgt_range(hdev);
if (rc) {
dev_err(hdev->dev, "Failed to clear MMU page tables range\n" );
goto disable_pci_access;
}
rc = gaudi_init_tpc_mem(hdev);
if (rc) {
dev_err(hdev->dev, "Failed to initialize TPC memories\n" );
goto disable_pci_access;
}
rc = gaudi_collective_init(hdev);
if (rc) {
dev_err(hdev->dev, "Failed to init collective\n" );
goto disable_pci_access;
}
/* We only support a single ASID for the user, so for the sake of optimization, just
* initialize the ASID one time during device initialization with the fixed value of 1
*/
gaudi_mmu_prepare(hdev, 1);
hl_fw_set_pll_profile(hdev);
return 0;
disable_pci_access:
hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0);
return rc;
}
static void gaudi_late_fini(struct hl_device *hdev)
{
hl_hwmon_release_resources(hdev);
}
static int gaudi_alloc_cpu_accessible_dma_mem(struct hl_device *hdev)
{
dma_addr_t dma_addr_arr[GAUDI_ALLOC_CPU_MEM_RETRY_CNT] = {}, end_addr;
void *virt_addr_arr[GAUDI_ALLOC_CPU_MEM_RETRY_CNT] = {};
int i, j, rc = 0;
/*
* The device CPU works with 40-bits addresses, while bit 39 must be set
* to '1' when accessing the host.
* Bits 49:39 of the full host address are saved for a later
* configuration of the HW to perform extension to 50 bits.
* Because there is a single HW register that holds the extension bits,
* these bits must be identical in all allocated range.
*/
for (i = 0 ; i < GAUDI_ALLOC_CPU_MEM_RETRY_CNT ; i++) {
virt_addr_arr[i] = hl_asic_dma_alloc_coherent(hdev, HL_CPU_ACCESSIBLE_MEM_SIZE,
&dma_addr_arr[i],
GFP_KERNEL | __GFP_ZERO);
if (!virt_addr_arr[i]) {
rc = -ENOMEM;
goto free_dma_mem_arr;
}
end_addr = dma_addr_arr[i] + HL_CPU_ACCESSIBLE_MEM_SIZE - 1;
if (GAUDI_CPU_PCI_MSB_ADDR(dma_addr_arr[i]) ==
GAUDI_CPU_PCI_MSB_ADDR(end_addr))
break ;
}
if (i == GAUDI_ALLOC_CPU_MEM_RETRY_CNT) {
dev_err(hdev->dev,
"MSB of CPU accessible DMA memory are not identical in all range\n" );
rc = -EFAULT;
goto free_dma_mem_arr;
}
hdev->cpu_accessible_dma_mem = virt_addr_arr[i];
hdev->cpu_accessible_dma_address = dma_addr_arr[i];
hdev->cpu_pci_msb_addr =
GAUDI_CPU_PCI_MSB_ADDR(hdev->cpu_accessible_dma_address);
if (!hdev->asic_prop.fw_security_enabled)
GAUDI_PCI_TO_CPU_ADDR(hdev->cpu_accessible_dma_address);
free_dma_mem_arr:
for (j = 0 ; j < i ; j++)
hl_asic_dma_free_coherent(hdev, HL_CPU_ACCESSIBLE_MEM_SIZE, virt_addr_arr[j],
dma_addr_arr[j]);
return rc;
}
static void gaudi_free_internal_qmans_pq_mem(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_internal_qman_info *q;
u32 i;
for (i = 0 ; i < GAUDI_QUEUE_ID_SIZE ; i++) {
q = &gaudi->internal_qmans[i];
if (!q->pq_kernel_addr)
continue ;
hl_asic_dma_free_coherent(hdev, q->pq_size, q->pq_kernel_addr, q->pq_dma_addr);
}
}
static int gaudi_alloc_internal_qmans_pq_mem(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_internal_qman_info *q;
int rc, i;
for (i = 0 ; i < GAUDI_QUEUE_ID_SIZE ; i++) {
if (gaudi_queue_type[i] != QUEUE_TYPE_INT)
continue ;
q = &gaudi->internal_qmans[i];
switch (i) {
case GAUDI_QUEUE_ID_DMA_2_0 ... GAUDI_QUEUE_ID_DMA_7_3:
q->pq_size = HBM_DMA_QMAN_SIZE_IN_BYTES;
break ;
case GAUDI_QUEUE_ID_MME_0_0 ... GAUDI_QUEUE_ID_MME_1_3:
q->pq_size = MME_QMAN_SIZE_IN_BYTES;
break ;
case GAUDI_QUEUE_ID_TPC_0_0 ... GAUDI_QUEUE_ID_TPC_7_3:
q->pq_size = TPC_QMAN_SIZE_IN_BYTES;
break ;
case GAUDI_QUEUE_ID_NIC_0_0 ... GAUDI_QUEUE_ID_NIC_9_3:
q->pq_size = NIC_QMAN_SIZE_IN_BYTES;
break ;
default :
dev_err(hdev->dev, "Bad internal queue index %d" , i);
rc = -EINVAL;
goto free_internal_qmans_pq_mem;
}
q->pq_kernel_addr = hl_asic_dma_alloc_coherent(hdev, q->pq_size, &q->pq_dma_addr,
GFP_KERNEL | __GFP_ZERO);
if (!q->pq_kernel_addr) {
rc = -ENOMEM;
goto free_internal_qmans_pq_mem;
}
}
return 0;
free_internal_qmans_pq_mem:
gaudi_free_internal_qmans_pq_mem(hdev);
return rc;
}
static void gaudi_set_pci_memory_regions(struct hl_device *hdev)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
struct pci_mem_region *region;
/* CFG */
region = &hdev->pci_mem_region[PCI_REGION_CFG];
region->region_base = CFG_BASE;
region->region_size = CFG_SIZE;
region->offset_in_bar = CFG_BASE - SPI_FLASH_BASE_ADDR;
region->bar_size = CFG_BAR_SIZE;
region->bar_id = CFG_BAR_ID;
region->used = 1;
/* SRAM */
region = &hdev->pci_mem_region[PCI_REGION_SRAM];
region->region_base = SRAM_BASE_ADDR;
region->region_size = SRAM_SIZE;
region->offset_in_bar = 0;
region->bar_size = SRAM_BAR_SIZE;
region->bar_id = SRAM_BAR_ID;
region->used = 1;
/* DRAM */
region = &hdev->pci_mem_region[PCI_REGION_DRAM];
region->region_base = DRAM_PHYS_BASE;
region->region_size = hdev->asic_prop.dram_size;
region->offset_in_bar = 0;
region->bar_size = prop->dram_pci_bar_size;
region->bar_id = HBM_BAR_ID;
region->used = 1;
/* SP SRAM */
region = &hdev->pci_mem_region[PCI_REGION_SP_SRAM];
region->region_base = PSOC_SCRATCHPAD_ADDR;
region->region_size = PSOC_SCRATCHPAD_SIZE;
region->offset_in_bar = PSOC_SCRATCHPAD_ADDR - SPI_FLASH_BASE_ADDR;
region->bar_size = CFG_BAR_SIZE;
region->bar_id = CFG_BAR_ID;
region->used = 1;
}
static int gaudi_sw_init(struct hl_device *hdev)
{
struct gaudi_device *gaudi;
u32 i, event_id = 0;
int rc;
/* Allocate device structure */
gaudi = kzalloc(sizeof (*gaudi), GFP_KERNEL);
if (!gaudi)
return -ENOMEM;
for (i = 0 ; i < ARRAY_SIZE(gaudi_irq_map_table) ; i++) {
if (gaudi_irq_map_table[i].valid) {
if (event_id == GAUDI_EVENT_SIZE) {
dev_err(hdev->dev,
"Event array exceeds the limit of %u events\n" ,
GAUDI_EVENT_SIZE);
rc = -EINVAL;
goto free_gaudi_device;
}
gaudi->events[event_id++] =
gaudi_irq_map_table[i].fc_id;
}
}
gaudi->cpucp_info_get = gaudi_cpucp_info_get;
hdev->asic_specific = gaudi;
/* Create DMA pool for small allocations */
hdev->dma_pool = dma_pool_create(dev_name(hdev->dev),
&hdev->pdev->dev, GAUDI_DMA_POOL_BLK_SIZE, 8, 0);
if (!hdev->dma_pool) {
dev_err(hdev->dev, "failed to create DMA pool\n" );
rc = -ENOMEM;
goto free_gaudi_device;
}
rc = gaudi_alloc_cpu_accessible_dma_mem(hdev);
if (rc)
goto free_dma_pool;
hdev->cpu_accessible_dma_pool = gen_pool_create(ilog2(32), -1);
if (!hdev->cpu_accessible_dma_pool) {
dev_err(hdev->dev,
"Failed to create CPU accessible DMA pool\n" );
rc = -ENOMEM;
goto free_cpu_dma_mem;
}
rc = gen_pool_add(hdev->cpu_accessible_dma_pool,
(uintptr_t) hdev->cpu_accessible_dma_mem,
HL_CPU_ACCESSIBLE_MEM_SIZE, -1);
if (rc) {
dev_err(hdev->dev,
"Failed to add memory to CPU accessible DMA pool\n" );
rc = -EFAULT;
goto free_cpu_accessible_dma_pool;
}
rc = gaudi_alloc_internal_qmans_pq_mem(hdev);
if (rc)
goto free_cpu_accessible_dma_pool;
spin_lock_init(&gaudi->hw_queues_lock);
hdev->supports_sync_stream = true ;
hdev->supports_coresight = true ;
hdev->supports_staged_submission = true ;
hdev->supports_wait_for_multi_cs = true ;
hdev->asic_funcs->set_pci_memory_regions(hdev);
hdev->stream_master_qid_arr =
hdev->asic_funcs->get_stream_master_qid_arr();
hdev->stream_master_qid_arr_size = GAUDI_STREAM_MASTER_ARR_SIZE;
return 0;
free_cpu_accessible_dma_pool:
gen_pool_destroy(hdev->cpu_accessible_dma_pool);
free_cpu_dma_mem:
if (!hdev->asic_prop.fw_security_enabled)
GAUDI_CPU_TO_PCI_ADDR(hdev->cpu_accessible_dma_address,
hdev->cpu_pci_msb_addr);
hl_asic_dma_free_coherent(hdev, HL_CPU_ACCESSIBLE_MEM_SIZE, hdev->cpu_accessible_dma_mem,
hdev->cpu_accessible_dma_address);
free_dma_pool:
dma_pool_destroy(hdev->dma_pool);
free_gaudi_device:
kfree(gaudi);
return rc;
}
static int gaudi_sw_fini(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
gaudi_free_internal_qmans_pq_mem(hdev);
gen_pool_destroy(hdev->cpu_accessible_dma_pool);
if (!hdev->asic_prop.fw_security_enabled)
GAUDI_CPU_TO_PCI_ADDR(hdev->cpu_accessible_dma_address,
hdev->cpu_pci_msb_addr);
hl_asic_dma_free_coherent(hdev, HL_CPU_ACCESSIBLE_MEM_SIZE, hdev->cpu_accessible_dma_mem,
hdev->cpu_accessible_dma_address);
dma_pool_destroy(hdev->dma_pool);
kfree(gaudi);
return 0;
}
static irqreturn_t gaudi_irq_handler_single(int irq, void *arg)
{
struct hl_device *hdev = arg;
int i;
if (hdev->disabled)
return IRQ_HANDLED;
for (i = 0 ; i < hdev->asic_prop.completion_queues_count ; i++)
hl_irq_handler_cq(irq, &hdev->completion_queue[i]);
hl_irq_handler_eq(irq, &hdev->event_queue);
return IRQ_HANDLED;
}
/*
* For backward compatibility, new MSI interrupts should be set after the
* existing CPU and NIC interrupts.
*/
static int gaudi_pci_irq_vector(struct hl_device *hdev, unsigned int nr,
bool cpu_eq)
{
int msi_vec;
if ((nr != GAUDI_EVENT_QUEUE_MSI_IDX) && (cpu_eq))
dev_crit(hdev->dev, "CPU EQ must use IRQ %d\n" ,
GAUDI_EVENT_QUEUE_MSI_IDX);
msi_vec = ((nr < GAUDI_EVENT_QUEUE_MSI_IDX) || (cpu_eq)) ? nr :
(nr + NIC_NUMBER_OF_ENGINES + 1);
return pci_irq_vector(hdev->pdev, msi_vec);
}
static int gaudi_enable_msi_single(struct hl_device *hdev)
{
int rc, irq;
dev_dbg(hdev->dev, "Working in single MSI IRQ mode\n" );
irq = gaudi_pci_irq_vector(hdev, 0, false );
rc = request_irq(irq, gaudi_irq_handler_single, 0,
"gaudi single msi" , hdev);
if (rc)
dev_err(hdev->dev,
"Failed to request single MSI IRQ\n" );
return rc;
}
static int gaudi_enable_msi(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
int rc;
if (gaudi->hw_cap_initialized & HW_CAP_MSI)
return 0;
rc = pci_alloc_irq_vectors(hdev->pdev, 1, 1, PCI_IRQ_MSI);
if (rc < 0) {
dev_err(hdev->dev, "MSI: Failed to enable support %d\n" , rc);
return rc;
}
rc = gaudi_enable_msi_single(hdev);
if (rc)
goto free_pci_irq_vectors;
gaudi->hw_cap_initialized |= HW_CAP_MSI;
return 0;
free_pci_irq_vectors:
pci_free_irq_vectors(hdev->pdev);
return rc;
}
static void gaudi_sync_irqs(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_MSI))
return ;
/* Wait for all pending IRQs to be finished */
synchronize_irq(gaudi_pci_irq_vector(hdev, 0, false ));
}
static void gaudi_disable_msi(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_MSI))
return ;
gaudi_sync_irqs(hdev);
free_irq(gaudi_pci_irq_vector(hdev, 0, false ), hdev);
pci_free_irq_vectors(hdev->pdev);
gaudi->hw_cap_initialized &= ~HW_CAP_MSI;
}
static void gaudi_init_scrambler_sram(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (hdev->asic_prop.fw_security_enabled)
return ;
if (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 &
CPU_BOOT_DEV_STS0_SRAM_SCR_EN)
return ;
if (gaudi->hw_cap_initialized & HW_CAP_SRAM_SCRAMBLER)
return ;
WREG32(mmNIF_RTR_CTRL_0_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_1_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_2_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_3_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_4_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_5_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_6_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_7_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_0_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_1_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_2_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_3_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_4_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_5_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_6_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_7_SCRAM_SRAM_EN,
1 << IF_RTR_CTRL_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_N_DOWN_CH0_SCRAM_SRAM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_N_DOWN_CH1_SCRAM_SRAM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_S_DOWN_CH0_SCRAM_SRAM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_S_DOWN_CH1_SCRAM_SRAM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_N_DOWN_CH0_SCRAM_SRAM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_N_DOWN_CH1_SCRAM_SRAM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_S_DOWN_CH0_SCRAM_SRAM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_SRAM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_S_DOWN_CH1_SCRAM_SRAM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_SRAM_EN_VAL_SHIFT);
gaudi->hw_cap_initialized |= HW_CAP_SRAM_SCRAMBLER;
}
static void gaudi_init_scrambler_hbm(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (hdev->asic_prop.fw_security_enabled)
return ;
if (hdev->asic_prop.fw_bootfit_cpu_boot_dev_sts0 &
CPU_BOOT_DEV_STS0_DRAM_SCR_EN)
return ;
if (gaudi->hw_cap_initialized & HW_CAP_HBM_SCRAMBLER)
return ;
WREG32(mmNIF_RTR_CTRL_0_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_1_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_2_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_3_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_4_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_5_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_6_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_7_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_0_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_1_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_2_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_3_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_4_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_5_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_6_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_7_SCRAM_HBM_EN,
1 << IF_RTR_CTRL_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_N_DOWN_CH0_SCRAM_HBM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_N_DOWN_CH1_SCRAM_HBM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_S_DOWN_CH0_SCRAM_HBM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_S_DOWN_CH1_SCRAM_HBM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_N_DOWN_CH0_SCRAM_HBM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_N_DOWN_CH1_SCRAM_HBM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_S_DOWN_CH0_SCRAM_HBM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_S_DOWN_CH1_SCRAM_HBM_EN,
1 << DMA_IF_DOWN_CHX_SCRAM_HBM_EN_VAL_SHIFT);
gaudi->hw_cap_initialized |= HW_CAP_HBM_SCRAMBLER;
}
static void gaudi_init_e2e(struct hl_device *hdev)
{
if (hdev->asic_prop.fw_security_enabled)
return ;
if (hdev->asic_prop.fw_bootfit_cpu_boot_dev_sts0 &
CPU_BOOT_DEV_STS0_E2E_CRED_EN)
return ;
WREG32(mmSIF_RTR_CTRL_0_E2E_HBM_WR_SIZE, 247 >> 3);
WREG32(mmSIF_RTR_CTRL_0_E2E_HBM_RD_SIZE, 785 >> 3);
WREG32(mmSIF_RTR_CTRL_0_E2E_PCI_WR_SIZE, 49);
WREG32(mmSIF_RTR_CTRL_0_E2E_PCI_RD_SIZE, 101);
WREG32(mmSIF_RTR_CTRL_1_E2E_HBM_WR_SIZE, 275 >> 3);
WREG32(mmSIF_RTR_CTRL_1_E2E_HBM_RD_SIZE, 614 >> 3);
WREG32(mmSIF_RTR_CTRL_1_E2E_PCI_WR_SIZE, 1);
WREG32(mmSIF_RTR_CTRL_1_E2E_PCI_RD_SIZE, 39);
WREG32(mmSIF_RTR_CTRL_2_E2E_HBM_WR_SIZE, 1);
WREG32(mmSIF_RTR_CTRL_2_E2E_HBM_RD_SIZE, 1);
WREG32(mmSIF_RTR_CTRL_2_E2E_PCI_WR_SIZE, 1);
WREG32(mmSIF_RTR_CTRL_2_E2E_PCI_RD_SIZE, 32);
WREG32(mmSIF_RTR_CTRL_3_E2E_HBM_WR_SIZE, 176 >> 3);
WREG32(mmSIF_RTR_CTRL_3_E2E_HBM_RD_SIZE, 32 >> 3);
WREG32(mmSIF_RTR_CTRL_3_E2E_PCI_WR_SIZE, 19);
WREG32(mmSIF_RTR_CTRL_3_E2E_PCI_RD_SIZE, 32);
WREG32(mmSIF_RTR_CTRL_4_E2E_HBM_WR_SIZE, 176 >> 3);
WREG32(mmSIF_RTR_CTRL_4_E2E_HBM_RD_SIZE, 32 >> 3);
WREG32(mmSIF_RTR_CTRL_4_E2E_PCI_WR_SIZE, 19);
WREG32(mmSIF_RTR_CTRL_4_E2E_PCI_RD_SIZE, 32);
WREG32(mmSIF_RTR_CTRL_5_E2E_HBM_WR_SIZE, 1);
WREG32(mmSIF_RTR_CTRL_5_E2E_HBM_RD_SIZE, 1);
WREG32(mmSIF_RTR_CTRL_5_E2E_PCI_WR_SIZE, 1);
WREG32(mmSIF_RTR_CTRL_5_E2E_PCI_RD_SIZE, 32);
WREG32(mmSIF_RTR_CTRL_6_E2E_HBM_WR_SIZE, 275 >> 3);
WREG32(mmSIF_RTR_CTRL_6_E2E_HBM_RD_SIZE, 614 >> 3);
WREG32(mmSIF_RTR_CTRL_6_E2E_PCI_WR_SIZE, 1);
WREG32(mmSIF_RTR_CTRL_6_E2E_PCI_RD_SIZE, 39);
WREG32(mmSIF_RTR_CTRL_7_E2E_HBM_WR_SIZE, 297 >> 3);
WREG32(mmSIF_RTR_CTRL_7_E2E_HBM_RD_SIZE, 908 >> 3);
WREG32(mmSIF_RTR_CTRL_7_E2E_PCI_WR_SIZE, 19);
WREG32(mmSIF_RTR_CTRL_7_E2E_PCI_RD_SIZE, 19);
WREG32(mmNIF_RTR_CTRL_0_E2E_HBM_WR_SIZE, 318 >> 3);
WREG32(mmNIF_RTR_CTRL_0_E2E_HBM_RD_SIZE, 956 >> 3);
WREG32(mmNIF_RTR_CTRL_0_E2E_PCI_WR_SIZE, 79);
WREG32(mmNIF_RTR_CTRL_0_E2E_PCI_RD_SIZE, 163);
WREG32(mmNIF_RTR_CTRL_1_E2E_HBM_WR_SIZE, 275 >> 3);
WREG32(mmNIF_RTR_CTRL_1_E2E_HBM_RD_SIZE, 614 >> 3);
WREG32(mmNIF_RTR_CTRL_1_E2E_PCI_WR_SIZE, 1);
WREG32(mmNIF_RTR_CTRL_1_E2E_PCI_RD_SIZE, 39);
WREG32(mmNIF_RTR_CTRL_2_E2E_HBM_WR_SIZE, 1);
WREG32(mmNIF_RTR_CTRL_2_E2E_HBM_RD_SIZE, 1);
WREG32(mmNIF_RTR_CTRL_2_E2E_PCI_WR_SIZE, 1);
WREG32(mmNIF_RTR_CTRL_2_E2E_PCI_RD_SIZE, 32);
WREG32(mmNIF_RTR_CTRL_3_E2E_HBM_WR_SIZE, 176 >> 3);
WREG32(mmNIF_RTR_CTRL_3_E2E_HBM_RD_SIZE, 32 >> 3);
WREG32(mmNIF_RTR_CTRL_3_E2E_PCI_WR_SIZE, 19);
WREG32(mmNIF_RTR_CTRL_3_E2E_PCI_RD_SIZE, 32);
WREG32(mmNIF_RTR_CTRL_4_E2E_HBM_WR_SIZE, 176 >> 3);
WREG32(mmNIF_RTR_CTRL_4_E2E_HBM_RD_SIZE, 32 >> 3);
WREG32(mmNIF_RTR_CTRL_4_E2E_PCI_WR_SIZE, 19);
WREG32(mmNIF_RTR_CTRL_4_E2E_PCI_RD_SIZE, 32);
WREG32(mmNIF_RTR_CTRL_5_E2E_HBM_WR_SIZE, 1);
WREG32(mmNIF_RTR_CTRL_5_E2E_HBM_RD_SIZE, 1);
WREG32(mmNIF_RTR_CTRL_5_E2E_PCI_WR_SIZE, 1);
WREG32(mmNIF_RTR_CTRL_5_E2E_PCI_RD_SIZE, 32);
WREG32(mmNIF_RTR_CTRL_6_E2E_HBM_WR_SIZE, 275 >> 3);
WREG32(mmNIF_RTR_CTRL_6_E2E_HBM_RD_SIZE, 614 >> 3);
WREG32(mmNIF_RTR_CTRL_6_E2E_PCI_WR_SIZE, 1);
WREG32(mmNIF_RTR_CTRL_6_E2E_PCI_RD_SIZE, 39);
WREG32(mmNIF_RTR_CTRL_7_E2E_HBM_WR_SIZE, 318 >> 3);
WREG32(mmNIF_RTR_CTRL_7_E2E_HBM_RD_SIZE, 956 >> 3);
WREG32(mmNIF_RTR_CTRL_7_E2E_PCI_WR_SIZE, 79);
WREG32(mmNIF_RTR_CTRL_7_E2E_PCI_RD_SIZE, 79);
WREG32(mmDMA_IF_E_N_DOWN_CH0_E2E_HBM_WR_SIZE, 344 >> 3);
WREG32(mmDMA_IF_E_N_DOWN_CH0_E2E_HBM_RD_SIZE, 1000 >> 3);
WREG32(mmDMA_IF_E_N_DOWN_CH0_E2E_PCI_WR_SIZE, 162);
WREG32(mmDMA_IF_E_N_DOWN_CH0_E2E_PCI_RD_SIZE, 338);
WREG32(mmDMA_IF_E_N_DOWN_CH1_E2E_HBM_WR_SIZE, 344 >> 3);
WREG32(mmDMA_IF_E_N_DOWN_CH1_E2E_HBM_RD_SIZE, 1000 >> 3);
WREG32(mmDMA_IF_E_N_DOWN_CH1_E2E_PCI_WR_SIZE, 162);
WREG32(mmDMA_IF_E_N_DOWN_CH1_E2E_PCI_RD_SIZE, 338);
WREG32(mmDMA_IF_E_S_DOWN_CH0_E2E_HBM_WR_SIZE, 344 >> 3);
WREG32(mmDMA_IF_E_S_DOWN_CH0_E2E_HBM_RD_SIZE, 1000 >> 3);
WREG32(mmDMA_IF_E_S_DOWN_CH0_E2E_PCI_WR_SIZE, 162);
WREG32(mmDMA_IF_E_S_DOWN_CH0_E2E_PCI_RD_SIZE, 338);
WREG32(mmDMA_IF_E_S_DOWN_CH1_E2E_HBM_WR_SIZE, 344 >> 3);
WREG32(mmDMA_IF_E_S_DOWN_CH1_E2E_HBM_RD_SIZE, 1000 >> 3);
WREG32(mmDMA_IF_E_S_DOWN_CH1_E2E_PCI_WR_SIZE, 162);
WREG32(mmDMA_IF_E_S_DOWN_CH1_E2E_PCI_RD_SIZE, 338);
WREG32(mmDMA_IF_W_N_DOWN_CH0_E2E_HBM_WR_SIZE, 344 >> 3);
WREG32(mmDMA_IF_W_N_DOWN_CH0_E2E_HBM_RD_SIZE, 1000 >> 3);
WREG32(mmDMA_IF_W_N_DOWN_CH0_E2E_PCI_WR_SIZE, 162);
WREG32(mmDMA_IF_W_N_DOWN_CH0_E2E_PCI_RD_SIZE, 338);
WREG32(mmDMA_IF_W_N_DOWN_CH1_E2E_HBM_WR_SIZE, 344 >> 3);
WREG32(mmDMA_IF_W_N_DOWN_CH1_E2E_HBM_RD_SIZE, 1000 >> 3);
WREG32(mmDMA_IF_W_N_DOWN_CH1_E2E_PCI_WR_SIZE, 162);
WREG32(mmDMA_IF_W_N_DOWN_CH1_E2E_PCI_RD_SIZE, 338);
WREG32(mmDMA_IF_W_S_DOWN_CH0_E2E_HBM_WR_SIZE, 344 >> 3);
WREG32(mmDMA_IF_W_S_DOWN_CH0_E2E_HBM_RD_SIZE, 1000 >> 3);
WREG32(mmDMA_IF_W_S_DOWN_CH0_E2E_PCI_WR_SIZE, 162);
WREG32(mmDMA_IF_W_S_DOWN_CH0_E2E_PCI_RD_SIZE, 338);
WREG32(mmDMA_IF_W_S_DOWN_CH1_E2E_HBM_WR_SIZE, 344 >> 3);
WREG32(mmDMA_IF_W_S_DOWN_CH1_E2E_HBM_RD_SIZE, 1000 >> 3);
WREG32(mmDMA_IF_W_S_DOWN_CH1_E2E_PCI_WR_SIZE, 162);
WREG32(mmDMA_IF_W_S_DOWN_CH1_E2E_PCI_RD_SIZE, 338);
WREG32(mmSIF_RTR_CTRL_0_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_0_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_1_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_1_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_2_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_2_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_3_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_3_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_4_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_4_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_5_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_5_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_6_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_6_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_7_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmSIF_RTR_CTRL_7_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_0_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_0_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_1_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_1_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_2_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_2_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_3_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_3_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_4_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_4_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_5_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_5_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_6_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_6_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_7_E2E_HBM_EN,
1 << IF_RTR_CTRL_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmNIF_RTR_CTRL_7_E2E_PCI_EN,
1 << IF_RTR_CTRL_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_N_DOWN_CH0_E2E_HBM_EN,
1 << DMA_IF_DOWN_CHX_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_N_DOWN_CH0_E2E_PCI_EN,
1 << DMA_IF_DOWN_CHX_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_N_DOWN_CH1_E2E_HBM_EN,
1 << DMA_IF_DOWN_CHX_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_N_DOWN_CH1_E2E_PCI_EN,
1 << DMA_IF_DOWN_CHX_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_S_DOWN_CH0_E2E_HBM_EN,
1 << DMA_IF_DOWN_CHX_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_S_DOWN_CH0_E2E_PCI_EN,
1 << DMA_IF_DOWN_CHX_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_S_DOWN_CH1_E2E_HBM_EN,
1 << DMA_IF_DOWN_CHX_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_E_S_DOWN_CH1_E2E_PCI_EN,
1 << DMA_IF_DOWN_CHX_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_N_DOWN_CH0_E2E_HBM_EN,
1 << DMA_IF_DOWN_CHX_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_N_DOWN_CH0_E2E_PCI_EN,
1 << DMA_IF_DOWN_CHX_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_N_DOWN_CH1_E2E_HBM_EN,
1 << DMA_IF_DOWN_CHX_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_N_DOWN_CH1_E2E_PCI_EN,
1 << DMA_IF_DOWN_CHX_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_S_DOWN_CH0_E2E_HBM_EN,
1 << DMA_IF_DOWN_CHX_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_S_DOWN_CH0_E2E_PCI_EN,
1 << DMA_IF_DOWN_CHX_E2E_PCI_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_S_DOWN_CH1_E2E_HBM_EN,
1 << DMA_IF_DOWN_CHX_E2E_HBM_EN_VAL_SHIFT);
WREG32(mmDMA_IF_W_S_DOWN_CH1_E2E_PCI_EN,
1 << DMA_IF_DOWN_CHX_E2E_PCI_EN_VAL_SHIFT);
}
static void gaudi_init_hbm_cred(struct hl_device *hdev)
{
u32 hbm0_wr, hbm1_wr, hbm0_rd, hbm1_rd;
if (hdev->asic_prop.fw_security_enabled)
return ;
if (hdev->asic_prop.fw_bootfit_cpu_boot_dev_sts0 &
CPU_BOOT_DEV_STS0_HBM_CRED_EN)
return ;
hbm0_wr = 0x33333333;
hbm0_rd = 0x77777777;
hbm1_wr = 0x55555555;
hbm1_rd = 0xDDDDDDDD;
WREG32(mmDMA_IF_E_N_HBM0_WR_CRED_CNT, hbm0_wr);
WREG32(mmDMA_IF_E_N_HBM1_WR_CRED_CNT, hbm1_wr);
WREG32(mmDMA_IF_E_N_HBM0_RD_CRED_CNT, hbm0_rd);
WREG32(mmDMA_IF_E_N_HBM1_RD_CRED_CNT, hbm1_rd);
WREG32(mmDMA_IF_E_S_HBM0_WR_CRED_CNT, hbm0_wr);
WREG32(mmDMA_IF_E_S_HBM1_WR_CRED_CNT, hbm1_wr);
WREG32(mmDMA_IF_E_S_HBM0_RD_CRED_CNT, hbm0_rd);
WREG32(mmDMA_IF_E_S_HBM1_RD_CRED_CNT, hbm1_rd);
WREG32(mmDMA_IF_W_N_HBM0_WR_CRED_CNT, hbm0_wr);
WREG32(mmDMA_IF_W_N_HBM1_WR_CRED_CNT, hbm1_wr);
WREG32(mmDMA_IF_W_N_HBM0_RD_CRED_CNT, hbm0_rd);
WREG32(mmDMA_IF_W_N_HBM1_RD_CRED_CNT, hbm1_rd);
WREG32(mmDMA_IF_W_S_HBM0_WR_CRED_CNT, hbm0_wr);
WREG32(mmDMA_IF_W_S_HBM1_WR_CRED_CNT, hbm1_wr);
WREG32(mmDMA_IF_W_S_HBM0_RD_CRED_CNT, hbm0_rd);
WREG32(mmDMA_IF_W_S_HBM1_RD_CRED_CNT, hbm1_rd);
WREG32(mmDMA_IF_E_N_HBM_CRED_EN_0,
(1 << DMA_IF_HBM_CRED_EN_READ_CREDIT_EN_SHIFT) |
(1 << DMA_IF_HBM_CRED_EN_WRITE_CREDIT_EN_SHIFT));
WREG32(mmDMA_IF_E_S_HBM_CRED_EN_0,
(1 << DMA_IF_HBM_CRED_EN_READ_CREDIT_EN_SHIFT) |
(1 << DMA_IF_HBM_CRED_EN_WRITE_CREDIT_EN_SHIFT));
WREG32(mmDMA_IF_W_N_HBM_CRED_EN_0,
(1 << DMA_IF_HBM_CRED_EN_READ_CREDIT_EN_SHIFT) |
(1 << DMA_IF_HBM_CRED_EN_WRITE_CREDIT_EN_SHIFT));
WREG32(mmDMA_IF_W_S_HBM_CRED_EN_0,
(1 << DMA_IF_HBM_CRED_EN_READ_CREDIT_EN_SHIFT) |
(1 << DMA_IF_HBM_CRED_EN_WRITE_CREDIT_EN_SHIFT));
WREG32(mmDMA_IF_E_N_HBM_CRED_EN_1,
(1 << DMA_IF_HBM_CRED_EN_READ_CREDIT_EN_SHIFT) |
(1 << DMA_IF_HBM_CRED_EN_WRITE_CREDIT_EN_SHIFT));
WREG32(mmDMA_IF_E_S_HBM_CRED_EN_1,
(1 << DMA_IF_HBM_CRED_EN_READ_CREDIT_EN_SHIFT) |
(1 << DMA_IF_HBM_CRED_EN_WRITE_CREDIT_EN_SHIFT));
WREG32(mmDMA_IF_W_N_HBM_CRED_EN_1,
(1 << DMA_IF_HBM_CRED_EN_READ_CREDIT_EN_SHIFT) |
(1 << DMA_IF_HBM_CRED_EN_WRITE_CREDIT_EN_SHIFT));
WREG32(mmDMA_IF_W_S_HBM_CRED_EN_1,
(1 << DMA_IF_HBM_CRED_EN_READ_CREDIT_EN_SHIFT) |
(1 << DMA_IF_HBM_CRED_EN_WRITE_CREDIT_EN_SHIFT));
}
static void gaudi_init_golden_registers(struct hl_device *hdev)
{
u32 tpc_offset;
int tpc_id, i;
gaudi_init_e2e(hdev);
gaudi_init_hbm_cred(hdev);
for (tpc_id = 0, tpc_offset = 0;
tpc_id < TPC_NUMBER_OF_ENGINES;
tpc_id++, tpc_offset += TPC_CFG_OFFSET) {
/* Mask all arithmetic interrupts from TPC */
WREG32(mmTPC0_CFG_TPC_INTR_MASK + tpc_offset, 0x8FFE);
/* Set 16 cache lines */
WREG32_FIELD(TPC0_CFG_MSS_CONFIG, tpc_offset,
ICACHE_FETCH_LINE_NUM, 2);
}
/* Make sure 1st 128 bytes in SRAM are 0 for Tensor DMA */
for (i = 0 ; i < 128 ; i += 8)
writeq(0, hdev->pcie_bar[SRAM_BAR_ID] + i);
WREG32(mmMME0_CTRL_EUS_ROLLUP_CNT_ADD, 3);
WREG32(mmMME1_CTRL_EUS_ROLLUP_CNT_ADD, 3);
WREG32(mmMME2_CTRL_EUS_ROLLUP_CNT_ADD, 3);
WREG32(mmMME3_CTRL_EUS_ROLLUP_CNT_ADD, 3);
}
static void gaudi_init_pci_dma_qman(struct hl_device *hdev, int dma_id,
int qman_id, dma_addr_t qman_pq_addr)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 mtr_base_en_lo, mtr_base_en_hi, mtr_base_ws_lo, mtr_base_ws_hi;
u32 so_base_en_lo, so_base_en_hi, so_base_ws_lo, so_base_ws_hi;
u32 q_off, dma_qm_offset;
u32 dma_qm_err_cfg, irq_handler_offset;
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
mtr_base_en_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_en_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
mtr_base_ws_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_ws_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
q_off = dma_qm_offset + qman_id * 4;
WREG32(mmDMA0_QM_PQ_BASE_LO_0 + q_off, lower_32_bits(qman_pq_addr));
WREG32(mmDMA0_QM_PQ_BASE_HI_0 + q_off, upper_32_bits(qman_pq_addr));
WREG32(mmDMA0_QM_PQ_SIZE_0 + q_off, ilog2(HL_QUEUE_LENGTH));
WREG32(mmDMA0_QM_PQ_PI_0 + q_off, 0);
WREG32(mmDMA0_QM_PQ_CI_0 + q_off, 0);
WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, QMAN_LDMA_SIZE_OFFSET);
WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_SRC_OFFSET);
WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_DST_OFFSET);
WREG32(mmDMA0_QM_CP_MSG_BASE0_ADDR_LO_0 + q_off, mtr_base_en_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE0_ADDR_HI_0 + q_off, mtr_base_en_hi);
WREG32(mmDMA0_QM_CP_MSG_BASE1_ADDR_LO_0 + q_off, so_base_en_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE1_ADDR_HI_0 + q_off, so_base_en_hi);
WREG32(mmDMA0_QM_CP_MSG_BASE2_ADDR_LO_0 + q_off, mtr_base_ws_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE2_ADDR_HI_0 + q_off, mtr_base_ws_hi);
WREG32(mmDMA0_QM_CP_MSG_BASE3_ADDR_LO_0 + q_off, so_base_ws_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE3_ADDR_HI_0 + q_off, so_base_ws_hi);
WREG32(mmDMA0_QM_CP_BARRIER_CFG_0 + q_off, 0x100);
/* The following configuration is needed only once per QMAN */
if (qman_id == 0) {
irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_dma_qm_irq_ctrl);
/* Configure RAZWI IRQ */
dma_qm_err_cfg = PCI_DMA_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
if (hdev->stop_on_err)
dma_qm_err_cfg |=
PCI_DMA_QMAN_GLBL_ERR_CFG_STOP_ON_ERR_EN_MASK;
WREG32(mmDMA0_QM_GLBL_ERR_CFG + dma_qm_offset, dma_qm_err_cfg);
WREG32(mmDMA0_QM_GLBL_ERR_ADDR_LO + dma_qm_offset,
lower_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmDMA0_QM_GLBL_ERR_ADDR_HI + dma_qm_offset,
upper_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmDMA0_QM_GLBL_ERR_WDATA + dma_qm_offset,
gaudi_irq_map_table[GAUDI_EVENT_DMA0_QM].cpu_id +
dma_id);
WREG32(mmDMA0_QM_ARB_ERR_MSG_EN + dma_qm_offset,
QM_ARB_ERR_MSG_EN_MASK);
/* Set timeout to maximum */
WREG32(mmDMA0_QM_ARB_SLV_CHOISE_WDT + dma_qm_offset, GAUDI_ARB_WDT_TIMEOUT);
WREG32(mmDMA0_QM_GLBL_PROT + dma_qm_offset,
QMAN_EXTERNAL_MAKE_TRUSTED);
WREG32(mmDMA0_QM_GLBL_CFG1 + dma_qm_offset, 0);
}
}
static void gaudi_init_dma_core(struct hl_device *hdev, int dma_id)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 dma_err_cfg = 1 << DMA0_CORE_ERR_CFG_ERR_MSG_EN_SHIFT;
u32 dma_offset = dma_id * DMA_CORE_OFFSET;
u32 irq_handler_offset;
/* Set to maximum possible according to physical size */
WREG32(mmDMA0_CORE_RD_MAX_OUTSTAND + dma_offset, 0);
WREG32(mmDMA0_CORE_RD_MAX_SIZE + dma_offset, 0);
/* WA for H/W bug H3-2116 */
WREG32(mmDMA0_CORE_LBW_MAX_OUTSTAND + dma_offset, 15);
/* STOP_ON bit implies no completion to operation in case of RAZWI */
if (hdev->stop_on_err)
dma_err_cfg |= 1 << DMA0_CORE_ERR_CFG_STOP_ON_ERR_SHIFT;
WREG32(mmDMA0_CORE_ERR_CFG + dma_offset, dma_err_cfg);
irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_dma_core_irq_ctrl);
WREG32(mmDMA0_CORE_ERRMSG_ADDR_LO + dma_offset,
lower_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmDMA0_CORE_ERRMSG_ADDR_HI + dma_offset,
upper_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmDMA0_CORE_ERRMSG_WDATA + dma_offset,
gaudi_irq_map_table[GAUDI_EVENT_DMA0_CORE].cpu_id + dma_id);
WREG32(mmDMA0_CORE_PROT + dma_offset,
1 << DMA0_CORE_PROT_ERR_VAL_SHIFT);
/* If the channel is secured, it should be in MMU bypass mode */
WREG32(mmDMA0_CORE_SECURE_PROPS + dma_offset,
1 << DMA0_CORE_SECURE_PROPS_MMBP_SHIFT);
WREG32(mmDMA0_CORE_CFG_0 + dma_offset, 1 << DMA0_CORE_CFG_0_EN_SHIFT);
}
static void gaudi_enable_qman(struct hl_device *hdev, int dma_id,
u32 enable_mask)
{
u32 dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
WREG32(mmDMA0_QM_GLBL_CFG0 + dma_qm_offset, enable_mask);
}
static void gaudi_init_pci_dma_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct hl_hw_queue *q;
int i, j, dma_id, cpu_skip, nic_skip, cq_id = 0, q_idx, msi_vec = 0;
if (gaudi->hw_cap_initialized & HW_CAP_PCI_DMA)
return ;
for (i = 0 ; i < PCI_DMA_NUMBER_OF_CHNLS ; i++) {
dma_id = gaudi_dma_assignment[i];
/*
* For queues after the CPU Q need to add 1 to get the correct
* queue. In addition, need to add the CPU EQ and NIC IRQs in
* order to get the correct MSI register.
*/
if (dma_id > 1) {
cpu_skip = 1;
nic_skip = NIC_NUMBER_OF_ENGINES;
} else {
cpu_skip = 0;
nic_skip = 0;
}
for (j = 0 ; j < QMAN_STREAMS ; j++) {
q_idx = 4 * dma_id + j + cpu_skip;
q = &hdev->kernel_queues[q_idx];
q->cq_id = cq_id++;
q->msi_vec = nic_skip + cpu_skip + msi_vec++;
gaudi_init_pci_dma_qman(hdev, dma_id, j,
q->bus_address);
}
gaudi_init_dma_core(hdev, dma_id);
gaudi_enable_qman(hdev, dma_id, PCI_DMA_QMAN_ENABLE);
}
gaudi->hw_cap_initialized |= HW_CAP_PCI_DMA;
}
static void gaudi_init_hbm_dma_qman(struct hl_device *hdev, int dma_id,
int qman_id, u64 qman_base_addr)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 mtr_base_en_lo, mtr_base_en_hi, mtr_base_ws_lo, mtr_base_ws_hi;
u32 so_base_en_lo, so_base_en_hi, so_base_ws_lo, so_base_ws_hi;
u32 dma_qm_err_cfg, irq_handler_offset;
u32 q_off, dma_qm_offset;
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
mtr_base_en_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_en_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
mtr_base_ws_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_ws_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
q_off = dma_qm_offset + qman_id * 4;
if (qman_id < 4) {
WREG32(mmDMA0_QM_PQ_BASE_LO_0 + q_off,
lower_32_bits(qman_base_addr));
WREG32(mmDMA0_QM_PQ_BASE_HI_0 + q_off,
upper_32_bits(qman_base_addr));
WREG32(mmDMA0_QM_PQ_SIZE_0 + q_off, ilog2(HBM_DMA_QMAN_LENGTH));
WREG32(mmDMA0_QM_PQ_PI_0 + q_off, 0);
WREG32(mmDMA0_QM_PQ_CI_0 + q_off, 0);
WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
QMAN_CPDMA_SIZE_OFFSET);
WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
QMAN_CPDMA_SRC_OFFSET);
WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
QMAN_CPDMA_DST_OFFSET);
} else {
irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_dma_qm_irq_ctrl);
WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
QMAN_LDMA_SIZE_OFFSET);
WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_SRC_OFFSET);
WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_DST_OFFSET);
/* Configure RAZWI IRQ */
dma_qm_err_cfg = HBM_DMA_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
if (hdev->stop_on_err)
dma_qm_err_cfg |=
HBM_DMA_QMAN_GLBL_ERR_CFG_STOP_ON_ERR_EN_MASK;
WREG32(mmDMA0_QM_GLBL_ERR_CFG + dma_qm_offset, dma_qm_err_cfg);
WREG32(mmDMA0_QM_GLBL_ERR_ADDR_LO + dma_qm_offset,
lower_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmDMA0_QM_GLBL_ERR_ADDR_HI + dma_qm_offset,
upper_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmDMA0_QM_GLBL_ERR_WDATA + dma_qm_offset,
gaudi_irq_map_table[GAUDI_EVENT_DMA0_QM].cpu_id +
dma_id);
WREG32(mmDMA0_QM_ARB_ERR_MSG_EN + dma_qm_offset,
QM_ARB_ERR_MSG_EN_MASK);
/* Set timeout to maximum */
WREG32(mmDMA0_QM_ARB_SLV_CHOISE_WDT + dma_qm_offset, GAUDI_ARB_WDT_TIMEOUT);
WREG32(mmDMA0_QM_GLBL_CFG1 + dma_qm_offset, 0);
WREG32(mmDMA0_QM_GLBL_PROT + dma_qm_offset,
QMAN_INTERNAL_MAKE_TRUSTED);
}
WREG32(mmDMA0_QM_CP_MSG_BASE0_ADDR_LO_0 + q_off, mtr_base_en_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE0_ADDR_HI_0 + q_off, mtr_base_en_hi);
WREG32(mmDMA0_QM_CP_MSG_BASE1_ADDR_LO_0 + q_off, so_base_en_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE1_ADDR_HI_0 + q_off, so_base_en_hi);
/* Configure DMA5 CP_MSG_BASE 2/3 for sync stream collective */
if (gaudi_dma_assignment[dma_id] == GAUDI_ENGINE_ID_DMA_5) {
WREG32(mmDMA0_QM_CP_MSG_BASE2_ADDR_LO_0 + q_off,
mtr_base_ws_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE2_ADDR_HI_0 + q_off,
mtr_base_ws_hi);
WREG32(mmDMA0_QM_CP_MSG_BASE3_ADDR_LO_0 + q_off,
so_base_ws_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE3_ADDR_HI_0 + q_off,
so_base_ws_hi);
}
}
static void gaudi_init_hbm_dma_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_internal_qman_info *q;
u64 qman_base_addr;
int i, j, dma_id, internal_q_index;
if (gaudi->hw_cap_initialized & HW_CAP_HBM_DMA)
return ;
for (i = 0 ; i < HBM_DMA_NUMBER_OF_CHNLS ; i++) {
dma_id = gaudi_dma_assignment[GAUDI_HBM_DMA_1 + i];
for (j = 0 ; j < QMAN_STREAMS ; j++) {
/*
* Add the CPU queue in order to get the correct queue
* number as all internal queue are placed after it
*/
internal_q_index = dma_id * QMAN_STREAMS + j + 1;
q = &gaudi->internal_qmans[internal_q_index];
qman_base_addr = (u64) q->pq_dma_addr;
gaudi_init_hbm_dma_qman(hdev, dma_id, j,
qman_base_addr);
}
/* Initializing lower CP for HBM DMA QMAN */
gaudi_init_hbm_dma_qman(hdev, dma_id, 4, 0);
gaudi_init_dma_core(hdev, dma_id);
gaudi_enable_qman(hdev, dma_id, HBM_DMA_QMAN_ENABLE);
}
gaudi->hw_cap_initialized |= HW_CAP_HBM_DMA;
}
static void gaudi_init_mme_qman(struct hl_device *hdev, u32 mme_offset,
int qman_id, u64 qman_base_addr)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 mtr_base_lo, mtr_base_hi;
u32 so_base_lo, so_base_hi;
u32 irq_handler_offset;
u32 q_off, mme_id;
u32 mme_qm_err_cfg;
mtr_base_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
q_off = mme_offset + qman_id * 4;
if (qman_id < 4) {
WREG32(mmMME0_QM_PQ_BASE_LO_0 + q_off,
lower_32_bits(qman_base_addr));
WREG32(mmMME0_QM_PQ_BASE_HI_0 + q_off,
upper_32_bits(qman_base_addr));
WREG32(mmMME0_QM_PQ_SIZE_0 + q_off, ilog2(MME_QMAN_LENGTH));
WREG32(mmMME0_QM_PQ_PI_0 + q_off, 0);
WREG32(mmMME0_QM_PQ_CI_0 + q_off, 0);
WREG32(mmMME0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
QMAN_CPDMA_SIZE_OFFSET);
WREG32(mmMME0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
QMAN_CPDMA_SRC_OFFSET);
WREG32(mmMME0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
QMAN_CPDMA_DST_OFFSET);
} else {
irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_mme_qm_irq_ctrl);
WREG32(mmMME0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
QMAN_LDMA_SIZE_OFFSET);
WREG32(mmMME0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_SRC_OFFSET);
WREG32(mmMME0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_DST_OFFSET);
/* Configure RAZWI IRQ */
mme_id = mme_offset /
(mmMME1_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0) / 2;
mme_qm_err_cfg = MME_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
if (hdev->stop_on_err)
mme_qm_err_cfg |=
MME_QMAN_GLBL_ERR_CFG_STOP_ON_ERR_EN_MASK;
WREG32(mmMME0_QM_GLBL_ERR_CFG + mme_offset, mme_qm_err_cfg);
WREG32(mmMME0_QM_GLBL_ERR_ADDR_LO + mme_offset,
lower_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmMME0_QM_GLBL_ERR_ADDR_HI + mme_offset,
upper_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmMME0_QM_GLBL_ERR_WDATA + mme_offset,
gaudi_irq_map_table[GAUDI_EVENT_MME0_QM].cpu_id +
mme_id);
WREG32(mmMME0_QM_ARB_ERR_MSG_EN + mme_offset,
QM_ARB_ERR_MSG_EN_MASK);
/* Set timeout to maximum */
WREG32(mmMME0_QM_ARB_SLV_CHOISE_WDT + mme_offset, GAUDI_ARB_WDT_TIMEOUT);
WREG32(mmMME0_QM_GLBL_CFG1 + mme_offset, 0);
WREG32(mmMME0_QM_GLBL_PROT + mme_offset,
QMAN_INTERNAL_MAKE_TRUSTED);
}
WREG32(mmMME0_QM_CP_MSG_BASE0_ADDR_LO_0 + q_off, mtr_base_lo);
WREG32(mmMME0_QM_CP_MSG_BASE0_ADDR_HI_0 + q_off, mtr_base_hi);
WREG32(mmMME0_QM_CP_MSG_BASE1_ADDR_LO_0 + q_off, so_base_lo);
WREG32(mmMME0_QM_CP_MSG_BASE1_ADDR_HI_0 + q_off, so_base_hi);
}
static void gaudi_init_mme_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_internal_qman_info *q;
u64 qman_base_addr;
u32 mme_offset;
int i, internal_q_index;
if (gaudi->hw_cap_initialized & HW_CAP_MME)
return ;
/*
* map GAUDI_QUEUE_ID_MME_0_X to the N_W_MME (mmMME2_QM_BASE)
* and GAUDI_QUEUE_ID_MME_1_X to the S_W_MME (mmMME0_QM_BASE)
*/
mme_offset = mmMME2_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0;
for (i = 0 ; i < MME_NUMBER_OF_QMANS ; i++) {
internal_q_index = GAUDI_QUEUE_ID_MME_0_0 + i;
q = &gaudi->internal_qmans[internal_q_index];
qman_base_addr = (u64) q->pq_dma_addr;
gaudi_init_mme_qman(hdev, mme_offset, (i & 0x3),
qman_base_addr);
if (i == 3)
mme_offset = 0;
}
/* Initializing lower CP for MME QMANs */
mme_offset = mmMME2_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0;
gaudi_init_mme_qman(hdev, mme_offset, 4, 0);
gaudi_init_mme_qman(hdev, 0, 4, 0);
WREG32(mmMME2_QM_GLBL_CFG0, QMAN_MME_ENABLE);
WREG32(mmMME0_QM_GLBL_CFG0, QMAN_MME_ENABLE);
gaudi->hw_cap_initialized |= HW_CAP_MME;
}
static void gaudi_init_tpc_qman(struct hl_device *hdev, u32 tpc_offset,
int qman_id, u64 qman_base_addr)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 mtr_base_en_lo, mtr_base_en_hi, mtr_base_ws_lo, mtr_base_ws_hi;
u32 so_base_en_lo, so_base_en_hi, so_base_ws_lo, so_base_ws_hi;
u32 tpc_qm_err_cfg, irq_handler_offset;
u32 q_off, tpc_id;
mtr_base_en_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_en_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
mtr_base_ws_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_ws_lo = lower_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
q_off = tpc_offset + qman_id * 4;
tpc_id = tpc_offset /
(mmTPC1_QM_GLBL_CFG0 - mmTPC0_QM_GLBL_CFG0);
if (qman_id < 4) {
WREG32(mmTPC0_QM_PQ_BASE_LO_0 + q_off,
lower_32_bits(qman_base_addr));
WREG32(mmTPC0_QM_PQ_BASE_HI_0 + q_off,
upper_32_bits(qman_base_addr));
WREG32(mmTPC0_QM_PQ_SIZE_0 + q_off, ilog2(TPC_QMAN_LENGTH));
WREG32(mmTPC0_QM_PQ_PI_0 + q_off, 0);
WREG32(mmTPC0_QM_PQ_CI_0 + q_off, 0);
WREG32(mmTPC0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
QMAN_CPDMA_SIZE_OFFSET);
WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
QMAN_CPDMA_SRC_OFFSET);
WREG32(mmTPC0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
QMAN_CPDMA_DST_OFFSET);
} else {
irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_tpc_qm_irq_ctrl);
WREG32(mmTPC0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
QMAN_LDMA_SIZE_OFFSET);
WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_SRC_OFFSET);
WREG32(mmTPC0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_DST_OFFSET);
/* Configure RAZWI IRQ */
tpc_qm_err_cfg = TPC_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
if (hdev->stop_on_err)
tpc_qm_err_cfg |=
TPC_QMAN_GLBL_ERR_CFG_STOP_ON_ERR_EN_MASK;
WREG32(mmTPC0_QM_GLBL_ERR_CFG + tpc_offset, tpc_qm_err_cfg);
WREG32(mmTPC0_QM_GLBL_ERR_ADDR_LO + tpc_offset,
lower_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmTPC0_QM_GLBL_ERR_ADDR_HI + tpc_offset,
upper_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmTPC0_QM_GLBL_ERR_WDATA + tpc_offset,
gaudi_irq_map_table[GAUDI_EVENT_TPC0_QM].cpu_id +
tpc_id);
WREG32(mmTPC0_QM_ARB_ERR_MSG_EN + tpc_offset,
QM_ARB_ERR_MSG_EN_MASK);
/* Set timeout to maximum */
WREG32(mmTPC0_QM_ARB_SLV_CHOISE_WDT + tpc_offset, GAUDI_ARB_WDT_TIMEOUT);
WREG32(mmTPC0_QM_GLBL_CFG1 + tpc_offset, 0);
WREG32(mmTPC0_QM_GLBL_PROT + tpc_offset,
QMAN_INTERNAL_MAKE_TRUSTED);
}
WREG32(mmTPC0_QM_CP_MSG_BASE0_ADDR_LO_0 + q_off, mtr_base_en_lo);
WREG32(mmTPC0_QM_CP_MSG_BASE0_ADDR_HI_0 + q_off, mtr_base_en_hi);
WREG32(mmTPC0_QM_CP_MSG_BASE1_ADDR_LO_0 + q_off, so_base_en_lo);
WREG32(mmTPC0_QM_CP_MSG_BASE1_ADDR_HI_0 + q_off, so_base_en_hi);
/* Configure TPC7 CP_MSG_BASE 2/3 for sync stream collective */
if (tpc_id == 6) {
WREG32(mmTPC0_QM_CP_MSG_BASE2_ADDR_LO_0 + q_off,
mtr_base_ws_lo);
WREG32(mmTPC0_QM_CP_MSG_BASE2_ADDR_HI_0 + q_off,
mtr_base_ws_hi);
WREG32(mmTPC0_QM_CP_MSG_BASE3_ADDR_LO_0 + q_off,
so_base_ws_lo);
WREG32(mmTPC0_QM_CP_MSG_BASE3_ADDR_HI_0 + q_off,
so_base_ws_hi);
}
}
static void gaudi_init_tpc_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_internal_qman_info *q;
u64 qman_base_addr;
u32 so_base_hi, tpc_offset = 0;
u32 tpc_delta = mmTPC1_CFG_SM_BASE_ADDRESS_HIGH -
mmTPC0_CFG_SM_BASE_ADDRESS_HIGH;
int i, tpc_id, internal_q_index;
if (gaudi->hw_cap_initialized & HW_CAP_TPC_MASK)
return ;
so_base_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
for (tpc_id = 0 ; tpc_id < TPC_NUMBER_OF_ENGINES ; tpc_id++) {
for (i = 0 ; i < QMAN_STREAMS ; i++) {
internal_q_index = GAUDI_QUEUE_ID_TPC_0_0 +
tpc_id * QMAN_STREAMS + i;
q = &gaudi->internal_qmans[internal_q_index];
qman_base_addr = (u64) q->pq_dma_addr;
gaudi_init_tpc_qman(hdev, tpc_offset, i,
qman_base_addr);
if (i == 3) {
/* Initializing lower CP for TPC QMAN */
gaudi_init_tpc_qman(hdev, tpc_offset, 4, 0);
/* Enable the QMAN and TPC channel */
WREG32(mmTPC0_QM_GLBL_CFG0 + tpc_offset,
QMAN_TPC_ENABLE);
}
}
WREG32(mmTPC0_CFG_SM_BASE_ADDRESS_HIGH + tpc_id * tpc_delta,
so_base_hi);
tpc_offset += mmTPC1_QM_GLBL_CFG0 - mmTPC0_QM_GLBL_CFG0;
gaudi->hw_cap_initialized |=
FIELD_PREP(HW_CAP_TPC_MASK, 1 << tpc_id);
}
}
static void gaudi_init_nic_qman(struct hl_device *hdev, u32 nic_offset,
int qman_id, u64 qman_base_addr, int nic_id)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 mtr_base_en_lo, mtr_base_en_hi, mtr_base_ws_lo, mtr_base_ws_hi;
u32 so_base_en_lo, so_base_en_hi, so_base_ws_lo, so_base_ws_hi;
u32 nic_qm_err_cfg, irq_handler_offset;
u32 q_off;
mtr_base_en_lo = lower_32_bits((CFG_BASE & U32_MAX) +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_en_lo = lower_32_bits((CFG_BASE & U32_MAX) +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
mtr_base_ws_lo = lower_32_bits((CFG_BASE & U32_MAX) +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
so_base_ws_lo = lower_32_bits((CFG_BASE & U32_MAX) +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
q_off = nic_offset + qman_id * 4;
WREG32(mmNIC0_QM0_PQ_BASE_LO_0 + q_off, lower_32_bits(qman_base_addr));
WREG32(mmNIC0_QM0_PQ_BASE_HI_0 + q_off, upper_32_bits(qman_base_addr));
WREG32(mmNIC0_QM0_PQ_SIZE_0 + q_off, ilog2(NIC_QMAN_LENGTH));
WREG32(mmNIC0_QM0_PQ_PI_0 + q_off, 0);
WREG32(mmNIC0_QM0_PQ_CI_0 + q_off, 0);
WREG32(mmNIC0_QM0_CP_LDMA_TSIZE_OFFSET_0 + q_off,
QMAN_LDMA_SIZE_OFFSET);
WREG32(mmNIC0_QM0_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_SRC_OFFSET);
WREG32(mmNIC0_QM0_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
QMAN_LDMA_DST_OFFSET);
WREG32(mmNIC0_QM0_CP_MSG_BASE0_ADDR_LO_0 + q_off, mtr_base_en_lo);
WREG32(mmNIC0_QM0_CP_MSG_BASE0_ADDR_HI_0 + q_off, mtr_base_en_hi);
WREG32(mmNIC0_QM0_CP_MSG_BASE1_ADDR_LO_0 + q_off, so_base_en_lo);
WREG32(mmNIC0_QM0_CP_MSG_BASE1_ADDR_HI_0 + q_off, so_base_en_hi);
/* Configure NIC CP_MSG_BASE 2/3 for sync stream collective */
WREG32(mmNIC0_QM0_CP_MSG_BASE2_ADDR_LO_0 + q_off, mtr_base_ws_lo);
WREG32(mmNIC0_QM0_CP_MSG_BASE2_ADDR_HI_0 + q_off, mtr_base_ws_hi);
WREG32(mmNIC0_QM0_CP_MSG_BASE3_ADDR_LO_0 + q_off, so_base_ws_lo);
WREG32(mmNIC0_QM0_CP_MSG_BASE3_ADDR_HI_0 + q_off, so_base_ws_hi);
if (qman_id == 0) {
irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_nic_qm_irq_ctrl);
/* Configure RAZWI IRQ */
nic_qm_err_cfg = NIC_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
if (hdev->stop_on_err)
nic_qm_err_cfg |=
NIC_QMAN_GLBL_ERR_CFG_STOP_ON_ERR_EN_MASK;
WREG32(mmNIC0_QM0_GLBL_ERR_CFG + nic_offset, nic_qm_err_cfg);
WREG32(mmNIC0_QM0_GLBL_ERR_ADDR_LO + nic_offset,
lower_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmNIC0_QM0_GLBL_ERR_ADDR_HI + nic_offset,
upper_32_bits(CFG_BASE + irq_handler_offset));
WREG32(mmNIC0_QM0_GLBL_ERR_WDATA + nic_offset,
gaudi_irq_map_table[GAUDI_EVENT_NIC0_QM0].cpu_id +
nic_id);
WREG32(mmNIC0_QM0_ARB_ERR_MSG_EN + nic_offset,
QM_ARB_ERR_MSG_EN_MASK);
/* Set timeout to maximum */
WREG32(mmNIC0_QM0_ARB_SLV_CHOISE_WDT + nic_offset, GAUDI_ARB_WDT_TIMEOUT);
WREG32(mmNIC0_QM0_GLBL_CFG1 + nic_offset, 0);
WREG32(mmNIC0_QM0_GLBL_PROT + nic_offset,
QMAN_INTERNAL_MAKE_TRUSTED);
}
}
static void gaudi_init_nic_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_internal_qman_info *q;
u64 qman_base_addr;
u32 nic_offset = 0;
u32 nic_delta_between_qmans =
mmNIC0_QM1_GLBL_CFG0 - mmNIC0_QM0_GLBL_CFG0;
u32 nic_delta_between_nics =
mmNIC1_QM0_GLBL_CFG0 - mmNIC0_QM0_GLBL_CFG0;
int i, nic_id, internal_q_index;
if (!hdev->nic_ports_mask)
return ;
if (gaudi->hw_cap_initialized & HW_CAP_NIC_MASK)
return ;
dev_dbg(hdev->dev, "Initializing NIC QMANs\n" );
for (nic_id = 0 ; nic_id < NIC_NUMBER_OF_ENGINES ; nic_id++) {
if (!(hdev->nic_ports_mask & (1 << nic_id))) {
nic_offset += nic_delta_between_qmans;
if (nic_id & 1) {
nic_offset -= (nic_delta_between_qmans * 2);
nic_offset += nic_delta_between_nics;
}
continue ;
}
for (i = 0 ; i < QMAN_STREAMS ; i++) {
internal_q_index = GAUDI_QUEUE_ID_NIC_0_0 +
nic_id * QMAN_STREAMS + i;
q = &gaudi->internal_qmans[internal_q_index];
qman_base_addr = (u64) q->pq_dma_addr;
gaudi_init_nic_qman(hdev, nic_offset, (i & 0x3),
qman_base_addr, nic_id);
}
/* Enable the QMAN */
WREG32(mmNIC0_QM0_GLBL_CFG0 + nic_offset, NIC_QMAN_ENABLE);
nic_offset += nic_delta_between_qmans;
if (nic_id & 1) {
nic_offset -= (nic_delta_between_qmans * 2);
nic_offset += nic_delta_between_nics;
}
gaudi->hw_cap_initialized |= 1 << (HW_CAP_NIC_SHIFT + nic_id);
}
}
static void gaudi_disable_pci_dma_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_PCI_DMA))
return ;
WREG32(mmDMA0_QM_GLBL_CFG0, 0);
WREG32(mmDMA1_QM_GLBL_CFG0, 0);
WREG32(mmDMA5_QM_GLBL_CFG0, 0);
}
static void gaudi_disable_hbm_dma_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_HBM_DMA))
return ;
WREG32(mmDMA2_QM_GLBL_CFG0, 0);
WREG32(mmDMA3_QM_GLBL_CFG0, 0);
WREG32(mmDMA4_QM_GLBL_CFG0, 0);
WREG32(mmDMA6_QM_GLBL_CFG0, 0);
WREG32(mmDMA7_QM_GLBL_CFG0, 0);
}
static void gaudi_disable_mme_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_MME))
return ;
WREG32(mmMME2_QM_GLBL_CFG0, 0);
WREG32(mmMME0_QM_GLBL_CFG0, 0);
}
static void gaudi_disable_tpc_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
u32 tpc_offset = 0;
int tpc_id;
if (!(gaudi->hw_cap_initialized & HW_CAP_TPC_MASK))
return ;
for (tpc_id = 0 ; tpc_id < TPC_NUMBER_OF_ENGINES ; tpc_id++) {
WREG32(mmTPC0_QM_GLBL_CFG0 + tpc_offset, 0);
tpc_offset += mmTPC1_QM_GLBL_CFG0 - mmTPC0_QM_GLBL_CFG0;
}
}
static void gaudi_disable_nic_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
u32 nic_mask, nic_offset = 0;
u32 nic_delta_between_qmans =
mmNIC0_QM1_GLBL_CFG0 - mmNIC0_QM0_GLBL_CFG0;
u32 nic_delta_between_nics =
mmNIC1_QM0_GLBL_CFG0 - mmNIC0_QM0_GLBL_CFG0;
int nic_id;
for (nic_id = 0 ; nic_id < NIC_NUMBER_OF_ENGINES ; nic_id++) {
nic_mask = 1 << (HW_CAP_NIC_SHIFT + nic_id);
if (gaudi->hw_cap_initialized & nic_mask)
WREG32(mmNIC0_QM0_GLBL_CFG0 + nic_offset, 0);
nic_offset += nic_delta_between_qmans;
if (nic_id & 1) {
nic_offset -= (nic_delta_between_qmans * 2);
nic_offset += nic_delta_between_nics;
}
}
}
static void gaudi_stop_pci_dma_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_PCI_DMA))
return ;
/* Stop upper CPs of QMANs 0.0 to 1.3 and 5.0 to 5.3 */
WREG32(mmDMA0_QM_GLBL_CFG1, 0xF << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmDMA1_QM_GLBL_CFG1, 0xF << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmDMA5_QM_GLBL_CFG1, 0xF << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
}
static void gaudi_stop_hbm_dma_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_HBM_DMA))
return ;
/* Stop CPs of HBM DMA QMANs */
WREG32(mmDMA2_QM_GLBL_CFG1, 0x1F << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmDMA3_QM_GLBL_CFG1, 0x1F << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmDMA4_QM_GLBL_CFG1, 0x1F << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmDMA6_QM_GLBL_CFG1, 0x1F << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmDMA7_QM_GLBL_CFG1, 0x1F << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
}
static void gaudi_stop_mme_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_MME))
return ;
/* Stop CPs of MME QMANs */
WREG32(mmMME2_QM_GLBL_CFG1, 0x1F << MME0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmMME0_QM_GLBL_CFG1, 0x1F << MME0_QM_GLBL_CFG1_CP_STOP_SHIFT);
}
static void gaudi_stop_tpc_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_TPC_MASK))
return ;
WREG32(mmTPC0_QM_GLBL_CFG1, 0x1F << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmTPC1_QM_GLBL_CFG1, 0x1F << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmTPC2_QM_GLBL_CFG1, 0x1F << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmTPC3_QM_GLBL_CFG1, 0x1F << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmTPC4_QM_GLBL_CFG1, 0x1F << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmTPC5_QM_GLBL_CFG1, 0x1F << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmTPC6_QM_GLBL_CFG1, 0x1F << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
WREG32(mmTPC7_QM_GLBL_CFG1, 0x1F << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
}
static void gaudi_stop_nic_qmans(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
/* Stop upper CPs of QMANs */
if (gaudi->hw_cap_initialized & HW_CAP_NIC0)
WREG32(mmNIC0_QM0_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC1)
WREG32(mmNIC0_QM1_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC2)
WREG32(mmNIC1_QM0_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC3)
WREG32(mmNIC1_QM1_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC4)
WREG32(mmNIC2_QM0_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC5)
WREG32(mmNIC2_QM1_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC6)
WREG32(mmNIC3_QM0_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC7)
WREG32(mmNIC3_QM1_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC8)
WREG32(mmNIC4_QM0_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
if (gaudi->hw_cap_initialized & HW_CAP_NIC9)
WREG32(mmNIC4_QM1_GLBL_CFG1,
NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CQF_STOP_MASK |
NIC0_QM0_GLBL_CFG1_CP_STOP_MASK);
}
static void gaudi_pci_dma_stall(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_PCI_DMA))
return ;
WREG32(mmDMA0_CORE_CFG_1, 1 << DMA0_CORE_CFG_1_HALT_SHIFT);
WREG32(mmDMA1_CORE_CFG_1, 1 << DMA0_CORE_CFG_1_HALT_SHIFT);
WREG32(mmDMA5_CORE_CFG_1, 1 << DMA0_CORE_CFG_1_HALT_SHIFT);
}
static void gaudi_hbm_dma_stall(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_HBM_DMA))
return ;
WREG32(mmDMA2_CORE_CFG_1, 1 << DMA0_CORE_CFG_1_HALT_SHIFT);
WREG32(mmDMA3_CORE_CFG_1, 1 << DMA0_CORE_CFG_1_HALT_SHIFT);
WREG32(mmDMA4_CORE_CFG_1, 1 << DMA0_CORE_CFG_1_HALT_SHIFT);
WREG32(mmDMA6_CORE_CFG_1, 1 << DMA0_CORE_CFG_1_HALT_SHIFT);
WREG32(mmDMA7_CORE_CFG_1, 1 << DMA0_CORE_CFG_1_HALT_SHIFT);
}
static void gaudi_mme_stall(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_MME))
return ;
/* WA for H3-1800 bug: do ACC and SBAB writes twice */
WREG32(mmMME0_ACC_ACC_STALL, 1 << MME_ACC_ACC_STALL_R_SHIFT);
WREG32(mmMME0_ACC_ACC_STALL, 1 << MME_ACC_ACC_STALL_R_SHIFT);
WREG32(mmMME0_SBAB_SB_STALL, 1 << MME_SBAB_SB_STALL_R_SHIFT);
WREG32(mmMME0_SBAB_SB_STALL, 1 << MME_SBAB_SB_STALL_R_SHIFT);
WREG32(mmMME1_ACC_ACC_STALL, 1 << MME_ACC_ACC_STALL_R_SHIFT);
WREG32(mmMME1_ACC_ACC_STALL, 1 << MME_ACC_ACC_STALL_R_SHIFT);
WREG32(mmMME1_SBAB_SB_STALL, 1 << MME_SBAB_SB_STALL_R_SHIFT);
WREG32(mmMME1_SBAB_SB_STALL, 1 << MME_SBAB_SB_STALL_R_SHIFT);
WREG32(mmMME2_ACC_ACC_STALL, 1 << MME_ACC_ACC_STALL_R_SHIFT);
WREG32(mmMME2_ACC_ACC_STALL, 1 << MME_ACC_ACC_STALL_R_SHIFT);
WREG32(mmMME2_SBAB_SB_STALL, 1 << MME_SBAB_SB_STALL_R_SHIFT);
WREG32(mmMME2_SBAB_SB_STALL, 1 << MME_SBAB_SB_STALL_R_SHIFT);
WREG32(mmMME3_ACC_ACC_STALL, 1 << MME_ACC_ACC_STALL_R_SHIFT);
WREG32(mmMME3_ACC_ACC_STALL, 1 << MME_ACC_ACC_STALL_R_SHIFT);
WREG32(mmMME3_SBAB_SB_STALL, 1 << MME_SBAB_SB_STALL_R_SHIFT);
WREG32(mmMME3_SBAB_SB_STALL, 1 << MME_SBAB_SB_STALL_R_SHIFT);
}
static void gaudi_tpc_stall(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_TPC_MASK))
return ;
WREG32(mmTPC0_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
WREG32(mmTPC1_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
WREG32(mmTPC2_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
WREG32(mmTPC3_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
WREG32(mmTPC4_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
WREG32(mmTPC5_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
WREG32(mmTPC6_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
WREG32(mmTPC7_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
}
static void gaudi_disable_clock_gating(struct hl_device *hdev)
{
u32 qman_offset;
int i;
if (hdev->asic_prop.fw_security_enabled)
return ;
for (i = 0, qman_offset = 0 ; i < DMA_NUMBER_OF_CHANNELS ; i++) {
WREG32(mmDMA0_QM_CGM_CFG + qman_offset, 0);
WREG32(mmDMA0_QM_CGM_CFG1 + qman_offset, 0);
qman_offset += (mmDMA1_QM_CGM_CFG - mmDMA0_QM_CGM_CFG);
}
WREG32(mmMME0_QM_CGM_CFG, 0);
WREG32(mmMME0_QM_CGM_CFG1, 0);
WREG32(mmMME2_QM_CGM_CFG, 0);
WREG32(mmMME2_QM_CGM_CFG1, 0);
for (i = 0, qman_offset = 0 ; i < TPC_NUMBER_OF_ENGINES ; i++) {
WREG32(mmTPC0_QM_CGM_CFG + qman_offset, 0);
WREG32(mmTPC0_QM_CGM_CFG1 + qman_offset, 0);
qman_offset += (mmTPC1_QM_CGM_CFG - mmTPC0_QM_CGM_CFG);
}
}
static void gaudi_enable_timestamp(struct hl_device *hdev)
{
/* Disable the timestamp counter */
WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE, 0);
/* Zero the lower/upper parts of the 64-bit counter */
WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE + 0xC, 0);
WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE + 0x8, 0);
/* Enable the counter */
WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE, 1);
}
static void gaudi_disable_timestamp(struct hl_device *hdev)
{
/* Disable the timestamp counter */
WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE, 0);
}
static void gaudi_halt_engines(struct hl_device *hdev, bool hard_reset, bool fw_reset)
{
u32 wait_timeout_ms;
if (hdev->pldm)
wait_timeout_ms = GAUDI_PLDM_RESET_WAIT_MSEC;
else
wait_timeout_ms = GAUDI_RESET_WAIT_MSEC;
if (fw_reset)
goto skip_engines;
gaudi_stop_nic_qmans(hdev);
gaudi_stop_mme_qmans(hdev);
gaudi_stop_tpc_qmans(hdev);
gaudi_stop_hbm_dma_qmans(hdev);
gaudi_stop_pci_dma_qmans(hdev);
msleep(wait_timeout_ms);
gaudi_pci_dma_stall(hdev);
gaudi_hbm_dma_stall(hdev);
gaudi_tpc_stall(hdev);
gaudi_mme_stall(hdev);
msleep(wait_timeout_ms);
gaudi_disable_nic_qmans(hdev);
gaudi_disable_mme_qmans(hdev);
gaudi_disable_tpc_qmans(hdev);
gaudi_disable_hbm_dma_qmans(hdev);
gaudi_disable_pci_dma_qmans(hdev);
gaudi_disable_timestamp(hdev);
skip_engines:
gaudi_disable_msi(hdev);
}
static int gaudi_mmu_init(struct hl_device *hdev)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
struct gaudi_device *gaudi = hdev->asic_specific;
u64 hop0_addr;
int rc, i;
if (gaudi->hw_cap_initialized & HW_CAP_MMU)
return 0;
for (i = 0 ; i < prop->max_asid ; i++) {
hop0_addr = prop->mmu_pgt_addr +
(i * prop->dmmu.hop_table_size);
rc = gaudi_mmu_update_asid_hop0_addr(hdev, i, hop0_addr);
if (rc) {
dev_err(hdev->dev,
"failed to set hop0 addr for asid %d\n" , i);
return rc;
}
}
/* init MMU cache manage page */
WREG32(mmSTLB_CACHE_INV_BASE_39_8, prop->mmu_cache_mng_addr >> 8);
WREG32(mmSTLB_CACHE_INV_BASE_49_40, prop->mmu_cache_mng_addr >> 40);
/* mem cache invalidation */
WREG32(mmSTLB_MEM_CACHE_INVALIDATION, 1);
rc = hl_mmu_invalidate_cache(hdev, true , 0);
if (rc)
return rc;
WREG32(mmMMU_UP_MMU_ENABLE, 1);
WREG32(mmMMU_UP_SPI_MASK, 0xF);
WREG32(mmSTLB_HOP_CONFIGURATION, 0x30440);
/*
* The H/W expects the first PI after init to be 1. After wraparound
* we'll write 0.
*/
gaudi->mmu_cache_inv_pi = 1;
gaudi->hw_cap_initialized |= HW_CAP_MMU;
return 0;
}
static int gaudi_load_firmware_to_device(struct hl_device *hdev)
{
void __iomem *dst;
dst = hdev->pcie_bar[HBM_BAR_ID] + LINUX_FW_OFFSET;
return hl_fw_load_fw_to_device(hdev, GAUDI_LINUX_FW_FILE, dst, 0, 0);
}
static int gaudi_load_boot_fit_to_device(struct hl_device *hdev)
{
void __iomem *dst;
dst = hdev->pcie_bar[SRAM_BAR_ID] + BOOT_FIT_SRAM_OFFSET;
return hl_fw_load_fw_to_device(hdev, GAUDI_BOOT_FIT_FILE, dst, 0, 0);
}
static void gaudi_init_dynamic_firmware_loader(struct hl_device *hdev)
{
struct dynamic_fw_load_mgr *dynamic_loader;
struct cpu_dyn_regs *dyn_regs;
dynamic_loader = &hdev->fw_loader.dynamic_loader;
/*
* here we update initial values for few specific dynamic regs (as
* before reading the first descriptor from FW those value has to be
* hard-coded) in later stages of the protocol those values will be
* updated automatically by reading the FW descriptor so data there
* will always be up-to-date
*/
dyn_regs = &dynamic_loader->comm_desc.cpu_dyn_regs;
dyn_regs->kmd_msg_to_cpu =
cpu_to_le32(mmPSOC_GLOBAL_CONF_KMD_MSG_TO_CPU);
dyn_regs->cpu_cmd_status_to_host =
cpu_to_le32(mmCPU_CMD_STATUS_TO_HOST);
dynamic_loader->wait_for_bl_timeout = GAUDI_WAIT_FOR_BL_TIMEOUT_USEC;
}
static void gaudi_init_static_firmware_loader(struct hl_device *hdev)
{
struct static_fw_load_mgr *static_loader;
static_loader = &hdev->fw_loader.static_loader;
static_loader->preboot_version_max_off = SRAM_SIZE - VERSION_MAX_LEN;
static_loader->boot_fit_version_max_off = SRAM_SIZE - VERSION_MAX_LEN;
static_loader->kmd_msg_to_cpu_reg = mmPSOC_GLOBAL_CONF_KMD_MSG_TO_CPU;
static_loader->cpu_cmd_status_to_host_reg = mmCPU_CMD_STATUS_TO_HOST;
static_loader->cpu_boot_status_reg = mmPSOC_GLOBAL_CONF_CPU_BOOT_STATUS;
static_loader->cpu_boot_dev_status0_reg = mmCPU_BOOT_DEV_STS0;
static_loader->cpu_boot_dev_status1_reg = mmCPU_BOOT_DEV_STS1;
static_loader->boot_err0_reg = mmCPU_BOOT_ERR0;
static_loader->boot_err1_reg = mmCPU_BOOT_ERR1;
static_loader->preboot_version_offset_reg = mmPREBOOT_VER_OFFSET;
static_loader->boot_fit_version_offset_reg = mmUBOOT_VER_OFFSET;
static_loader->sram_offset_mask = ~(lower_32_bits(SRAM_BASE_ADDR));
static_loader->cpu_reset_wait_msec = hdev->pldm ?
GAUDI_PLDM_RESET_WAIT_MSEC :
GAUDI_CPU_RESET_WAIT_MSEC;
}
static void gaudi_init_firmware_preload_params(struct hl_device *hdev)
{
struct pre_fw_load_props *pre_fw_load = &hdev->fw_loader.pre_fw_load;
pre_fw_load->cpu_boot_status_reg = mmPSOC_GLOBAL_CONF_CPU_BOOT_STATUS;
pre_fw_load->sts_boot_dev_sts0_reg = mmCPU_BOOT_DEV_STS0;
pre_fw_load->sts_boot_dev_sts1_reg = mmCPU_BOOT_DEV_STS1;
pre_fw_load->boot_err0_reg = mmCPU_BOOT_ERR0;
pre_fw_load->boot_err1_reg = mmCPU_BOOT_ERR1;
pre_fw_load->wait_for_preboot_timeout = GAUDI_BOOT_FIT_REQ_TIMEOUT_USEC;
}
static void gaudi_init_firmware_loader(struct hl_device *hdev)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
struct fw_load_mgr *fw_loader = &hdev->fw_loader;
/* fill common fields */
fw_loader->fw_comp_loaded = FW_TYPE_NONE;
fw_loader->boot_fit_img.image_name = GAUDI_BOOT_FIT_FILE;
fw_loader->linux_img.image_name = GAUDI_LINUX_FW_FILE;
fw_loader->cpu_timeout = GAUDI_CPU_TIMEOUT_USEC;
fw_loader->boot_fit_timeout = GAUDI_BOOT_FIT_REQ_TIMEOUT_USEC;
fw_loader->skip_bmc = !hdev->bmc_enable;
fw_loader->sram_bar_id = SRAM_BAR_ID;
fw_loader->dram_bar_id = HBM_BAR_ID;
if (prop->dynamic_fw_load)
gaudi_init_dynamic_firmware_loader(hdev);
else
gaudi_init_static_firmware_loader(hdev);
}
static int gaudi_init_cpu(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
int rc;
if (!(hdev->fw_components & FW_TYPE_PREBOOT_CPU))
return 0;
if (gaudi->hw_cap_initialized & HW_CAP_CPU)
return 0;
/*
* The device CPU works with 40 bits addresses.
* This register sets the extension to 50 bits.
*/
if (!hdev->asic_prop.fw_security_enabled)
WREG32(mmCPU_IF_CPU_MSB_ADDR, hdev->cpu_pci_msb_addr);
rc = hl_fw_init_cpu(hdev);
if (rc)
return rc;
gaudi->hw_cap_initialized |= HW_CAP_CPU;
return 0;
}
static int gaudi_init_cpu_queues(struct hl_device *hdev, u32 cpu_timeout)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
struct asic_fixed_properties *prop = &hdev->asic_prop;
struct gaudi_device *gaudi = hdev->asic_specific;
u32 status, irq_handler_offset;
struct hl_eq *eq;
struct hl_hw_queue *cpu_pq =
&hdev->kernel_queues[GAUDI_QUEUE_ID_CPU_PQ];
int err;
if (!hdev->cpu_queues_enable)
return 0;
if (gaudi->hw_cap_initialized & HW_CAP_CPU_Q)
return 0;
eq = &hdev->event_queue;
WREG32(mmCPU_IF_PQ_BASE_ADDR_LOW, lower_32_bits(cpu_pq->bus_address));
WREG32(mmCPU_IF_PQ_BASE_ADDR_HIGH, upper_32_bits(cpu_pq->bus_address));
WREG32(mmCPU_IF_EQ_BASE_ADDR_LOW, lower_32_bits(eq->bus_address));
WREG32(mmCPU_IF_EQ_BASE_ADDR_HIGH, upper_32_bits(eq->bus_address));
WREG32(mmCPU_IF_CQ_BASE_ADDR_LOW,
lower_32_bits(hdev->cpu_accessible_dma_address));
WREG32(mmCPU_IF_CQ_BASE_ADDR_HIGH,
upper_32_bits(hdev->cpu_accessible_dma_address));
WREG32(mmCPU_IF_PQ_LENGTH, HL_QUEUE_SIZE_IN_BYTES);
WREG32(mmCPU_IF_EQ_LENGTH, HL_EQ_SIZE_IN_BYTES);
WREG32(mmCPU_IF_CQ_LENGTH, HL_CPU_ACCESSIBLE_MEM_SIZE);
/* Used for EQ CI */
WREG32(mmCPU_IF_EQ_RD_OFFS, 0);
WREG32(mmCPU_IF_PF_PQ_PI, 0);
WREG32(mmCPU_IF_QUEUE_INIT, PQ_INIT_STATUS_READY_FOR_CP_SINGLE_MSI);
irq_handler_offset = prop->gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_host_pi_upd_irq);
WREG32(irq_handler_offset,
gaudi_irq_map_table[GAUDI_EVENT_PI_UPDATE].cpu_id);
err = hl_poll_timeout(
hdev,
mmCPU_IF_QUEUE_INIT,
status,
(status == PQ_INIT_STATUS_READY_FOR_HOST),
1000,
cpu_timeout);
if (err) {
dev_err(hdev->dev,
"Failed to communicate with Device CPU (CPU-CP timeout)\n" );
return -EIO;
}
/* update FW application security bits */
if (prop->fw_cpu_boot_dev_sts0_valid)
prop->fw_app_cpu_boot_dev_sts0 = RREG32(mmCPU_BOOT_DEV_STS0);
if (prop->fw_cpu_boot_dev_sts1_valid)
prop->fw_app_cpu_boot_dev_sts1 = RREG32(mmCPU_BOOT_DEV_STS1);
gaudi->hw_cap_initialized |= HW_CAP_CPU_Q;
return 0;
}
static void gaudi_pre_hw_init(struct hl_device *hdev)
{
/* Perform read from the device to make sure device is up */
RREG32(mmHW_STATE);
if (!hdev->asic_prop.fw_security_enabled) {
/* Set the access through PCI bars (Linux driver only) as
* secured
*/
WREG32(mmPCIE_WRAP_LBW_PROT_OVR,
(PCIE_WRAP_LBW_PROT_OVR_RD_EN_MASK |
PCIE_WRAP_LBW_PROT_OVR_WR_EN_MASK));
/* Perform read to flush the waiting writes to ensure
* configuration was set in the device
*/
RREG32(mmPCIE_WRAP_LBW_PROT_OVR);
}
/*
* Let's mark in the H/W that we have reached this point. We check
* this value in the reset_before_init function to understand whether
* we need to reset the chip before doing H/W init. This register is
* cleared by the H/W upon H/W reset
*/
WREG32(mmHW_STATE, HL_DEVICE_HW_STATE_DIRTY);
}
static int gaudi_hw_init(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
int rc;
gaudi_pre_hw_init(hdev);
/* If iATU is done by FW, the HBM bar ALWAYS points to DRAM_PHYS_BASE.
* So we set it here and if anyone tries to move it later to
* a different address, there will be an error
*/
if (hdev->asic_prop.iatu_done_by_fw)
gaudi->hbm_bar_cur_addr = DRAM_PHYS_BASE;
/*
* Before pushing u-boot/linux to device, need to set the hbm bar to
* base address of dram
*/
if (gaudi_set_hbm_bar_base(hdev, DRAM_PHYS_BASE) == U64_MAX) {
dev_err(hdev->dev,
"failed to map HBM bar to DRAM base address\n" );
return -EIO;
}
rc = gaudi_init_cpu(hdev);
if (rc) {
dev_err(hdev->dev, "failed to initialize CPU\n" );
return rc;
}
/* In case the clock gating was enabled in preboot we need to disable
* it here before touching the MME/TPC registers.
*/
gaudi_disable_clock_gating(hdev);
/* SRAM scrambler must be initialized after CPU is running from HBM */
gaudi_init_scrambler_sram(hdev);
/* This is here just in case we are working without CPU */
gaudi_init_scrambler_hbm(hdev);
gaudi_init_golden_registers(hdev);
rc = gaudi_mmu_init(hdev);
if (rc)
return rc;
gaudi_init_security(hdev);
gaudi_init_pci_dma_qmans(hdev);
gaudi_init_hbm_dma_qmans(hdev);
gaudi_init_mme_qmans(hdev);
gaudi_init_tpc_qmans(hdev);
gaudi_init_nic_qmans(hdev);
gaudi_enable_timestamp(hdev);
/* MSI must be enabled before CPU queues and NIC are initialized */
rc = gaudi_enable_msi(hdev);
if (rc)
goto disable_queues;
/* must be called after MSI was enabled */
rc = gaudi_init_cpu_queues(hdev, GAUDI_CPU_TIMEOUT_USEC);
if (rc) {
dev_err(hdev->dev, "failed to initialize CPU H/W queues %d\n" ,
rc);
goto disable_msi;
}
/* Perform read from the device to flush all configuration */
RREG32(mmHW_STATE);
return 0;
disable_msi:
gaudi_disable_msi(hdev);
disable_queues:
gaudi_disable_mme_qmans(hdev);
gaudi_disable_pci_dma_qmans(hdev);
return rc;
}
static int gaudi_hw_fini(struct hl_device *hdev, bool hard_reset, bool fw_reset)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 status, reset_timeout_ms, cpu_timeout_ms, irq_handler_offset;
struct gaudi_device *gaudi = hdev->asic_specific;
bool driver_performs_reset;
if (!hard_reset) {
dev_err(hdev->dev, "GAUDI doesn't support soft-reset\n" );
return 0;
}
if (hdev->pldm) {
reset_timeout_ms = GAUDI_PLDM_HRESET_TIMEOUT_MSEC;
cpu_timeout_ms = GAUDI_PLDM_RESET_WAIT_MSEC;
} else {
reset_timeout_ms = GAUDI_RESET_TIMEOUT_MSEC;
cpu_timeout_ms = GAUDI_CPU_RESET_WAIT_MSEC;
}
if (fw_reset) {
dev_dbg(hdev->dev,
"Firmware performs HARD reset, going to wait %dms\n" ,
reset_timeout_ms);
goto skip_reset;
}
driver_performs_reset = !!(!hdev->asic_prop.fw_security_enabled &&
!hdev->asic_prop.hard_reset_done_by_fw);
/* Set device to handle FLR by H/W as we will put the device CPU to
* halt mode
*/
if (driver_performs_reset)
WREG32(mmPCIE_AUX_FLR_CTRL, (PCIE_AUX_FLR_CTRL_HW_CTRL_MASK |
PCIE_AUX_FLR_CTRL_INT_MASK_MASK));
/* If linux is loaded in the device CPU we need to communicate with it
* via the GIC. Otherwise, we need to use COMMS or the MSG_TO_CPU
* registers in case of old F/Ws
*/
if (hdev->fw_loader.fw_comp_loaded & FW_TYPE_LINUX) {
irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_host_halt_irq);
WREG32(irq_handler_offset,
gaudi_irq_map_table[GAUDI_EVENT_HALT_MACHINE].cpu_id);
/* This is a hail-mary attempt to revive the card in the small chance that the
* f/w has experienced a watchdog event, which caused it to return back to preboot.
* In that case, triggering reset through GIC won't help. We need to trigger the
* reset as if Linux wasn't loaded.
*
* We do it only if the reset cause was HB, because that would be the indication
* of such an event.
*
* In case watchdog hasn't expired but we still got HB, then this won't do any
* damage.
*/
if (hdev->reset_info.curr_reset_cause == HL_RESET_CAUSE_HEARTBEAT) {
if (hdev->asic_prop.hard_reset_done_by_fw)
hl_fw_ask_hard_reset_without_linux(hdev);
else
hl_fw_ask_halt_machine_without_linux(hdev);
}
} else {
if (hdev->asic_prop.hard_reset_done_by_fw)
hl_fw_ask_hard_reset_without_linux(hdev);
else
hl_fw_ask_halt_machine_without_linux(hdev);
}
if (driver_performs_reset) {
/* Configure the reset registers. Must be done as early as
* possible in case we fail during H/W initialization
*/
WREG32(mmPSOC_GLOBAL_CONF_SOFT_RST_CFG_H,
(CFG_RST_H_DMA_MASK |
CFG_RST_H_MME_MASK |
CFG_RST_H_SM_MASK |
CFG_RST_H_TPC_7_MASK));
WREG32(mmPSOC_GLOBAL_CONF_SOFT_RST_CFG_L, CFG_RST_L_TPC_MASK);
WREG32(mmPSOC_GLOBAL_CONF_SW_ALL_RST_CFG_H,
(CFG_RST_H_HBM_MASK |
CFG_RST_H_TPC_7_MASK |
CFG_RST_H_NIC_MASK |
CFG_RST_H_SM_MASK |
CFG_RST_H_DMA_MASK |
CFG_RST_H_MME_MASK |
CFG_RST_H_CPU_MASK |
CFG_RST_H_MMU_MASK));
WREG32(mmPSOC_GLOBAL_CONF_SW_ALL_RST_CFG_L,
(CFG_RST_L_IF_MASK |
CFG_RST_L_PSOC_MASK |
CFG_RST_L_TPC_MASK));
msleep(cpu_timeout_ms);
/* Tell ASIC not to re-initialize PCIe */
WREG32(mmPREBOOT_PCIE_EN, LKD_HARD_RESET_MAGIC);
/* Restart BTL/BLR upon hard-reset */
WREG32(mmPSOC_GLOBAL_CONF_BOOT_SEQ_RE_START, 1);
WREG32(mmPSOC_GLOBAL_CONF_SW_ALL_RST,
1 << PSOC_GLOBAL_CONF_SW_ALL_RST_IND_SHIFT);
dev_dbg(hdev->dev,
"Issued HARD reset command, going to wait %dms\n" ,
reset_timeout_ms);
} else {
dev_dbg(hdev->dev,
"Firmware performs HARD reset, going to wait %dms\n" ,
reset_timeout_ms);
}
skip_reset:
/*
* After hard reset, we can't poll the BTM_FSM register because the PSOC
* itself is in reset. Need to wait until the reset is deasserted
*/
msleep(reset_timeout_ms);
status = RREG32(mmPSOC_GLOBAL_CONF_BTM_FSM);
if (status & PSOC_GLOBAL_CONF_BTM_FSM_STATE_MASK) {
dev_err(hdev->dev, "Timeout while waiting for device to reset 0x%x\n" , status);
return -ETIMEDOUT;
}
if (gaudi) {
gaudi->hw_cap_initialized &= ~(HW_CAP_CPU | HW_CAP_CPU_Q | HW_CAP_HBM |
HW_CAP_PCI_DMA | HW_CAP_MME | HW_CAP_TPC_MASK |
HW_CAP_HBM_DMA | HW_CAP_PLL | HW_CAP_NIC_MASK |
HW_CAP_MMU | HW_CAP_SRAM_SCRAMBLER |
HW_CAP_HBM_SCRAMBLER);
memset(gaudi->events_stat, 0, sizeof (gaudi->events_stat));
hdev->device_cpu_is_halted = false ;
}
return 0;
}
static int gaudi_suspend(struct hl_device *hdev)
{
return hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0);
}
static int gaudi_resume(struct hl_device *hdev)
{
return gaudi_init_iatu(hdev);
}
static int gaudi_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size)
{
int rc;
vm_flags_set(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
VM_DONTCOPY | VM_NORESERVE);
#ifdef _HAS_DMA_MMAP_COHERENT
/*
* If dma_alloc_coherent() returns a vmalloc address, set VM_MIXEDMAP
* so vm_insert_page() can handle it safely. Without this, the kernel
* may BUG_ON due to VM_PFNMAP.
*/
if (is_vmalloc_addr(cpu_addr))
vm_flags_set(vma, VM_MIXEDMAP);
rc = dma_mmap_coherent(hdev->dev, vma, cpu_addr,
(dma_addr - HOST_PHYS_BASE), size);
if (rc)
dev_err(hdev->dev, "dma_mmap_coherent error %d" , rc);
#else
rc = remap_pfn_range(vma, vma->vm_start,
virt_to_phys(cpu_addr) >> PAGE_SHIFT,
size, vma->vm_page_prot);
if (rc)
dev_err(hdev->dev, "remap_pfn_range error %d" , rc);
#endif
return rc;
}
static void gaudi_ring_doorbell(struct hl_device *hdev, u32 hw_queue_id, u32 pi)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 db_reg_offset, db_value, dma_qm_offset, q_off, irq_handler_offset;
struct gaudi_device *gaudi = hdev->asic_specific;
bool invalid_queue = false ;
int dma_id;
switch (hw_queue_id) {
case GAUDI_QUEUE_ID_DMA_0_0...GAUDI_QUEUE_ID_DMA_0_3:
dma_id = gaudi_dma_assignment[GAUDI_PCI_DMA_1];
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
q_off = dma_qm_offset + (hw_queue_id & 0x3) * 4;
db_reg_offset = mmDMA0_QM_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_DMA_1_0...GAUDI_QUEUE_ID_DMA_1_3:
dma_id = gaudi_dma_assignment[GAUDI_PCI_DMA_2];
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
q_off = dma_qm_offset + (hw_queue_id & 0x3) * 4;
db_reg_offset = mmDMA0_QM_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_DMA_2_0...GAUDI_QUEUE_ID_DMA_2_3:
dma_id = gaudi_dma_assignment[GAUDI_HBM_DMA_1];
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
q_off = dma_qm_offset + ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmDMA0_QM_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_DMA_3_0...GAUDI_QUEUE_ID_DMA_3_3:
dma_id = gaudi_dma_assignment[GAUDI_HBM_DMA_2];
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
q_off = dma_qm_offset + ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmDMA0_QM_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_DMA_4_0...GAUDI_QUEUE_ID_DMA_4_3:
dma_id = gaudi_dma_assignment[GAUDI_HBM_DMA_3];
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
q_off = dma_qm_offset + ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmDMA0_QM_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_DMA_5_0...GAUDI_QUEUE_ID_DMA_5_3:
dma_id = gaudi_dma_assignment[GAUDI_HBM_DMA_4];
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
q_off = dma_qm_offset + ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmDMA0_QM_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_DMA_6_0...GAUDI_QUEUE_ID_DMA_6_3:
dma_id = gaudi_dma_assignment[GAUDI_HBM_DMA_5];
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
q_off = dma_qm_offset + ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmDMA0_QM_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_DMA_7_0...GAUDI_QUEUE_ID_DMA_7_3:
dma_id = gaudi_dma_assignment[GAUDI_HBM_DMA_6];
dma_qm_offset = dma_id * DMA_QMAN_OFFSET;
q_off = dma_qm_offset + ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmDMA0_QM_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_CPU_PQ:
if (gaudi->hw_cap_initialized & HW_CAP_CPU_Q)
db_reg_offset = mmCPU_IF_PF_PQ_PI;
else
invalid_queue = true ;
break ;
case GAUDI_QUEUE_ID_MME_0_0:
db_reg_offset = mmMME2_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_MME_0_1:
db_reg_offset = mmMME2_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_MME_0_2:
db_reg_offset = mmMME2_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_MME_0_3:
db_reg_offset = mmMME2_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_MME_1_0:
db_reg_offset = mmMME0_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_MME_1_1:
db_reg_offset = mmMME0_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_MME_1_2:
db_reg_offset = mmMME0_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_MME_1_3:
db_reg_offset = mmMME0_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_TPC_0_0:
db_reg_offset = mmTPC0_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_TPC_0_1:
db_reg_offset = mmTPC0_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_TPC_0_2:
db_reg_offset = mmTPC0_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_TPC_0_3:
db_reg_offset = mmTPC0_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_TPC_1_0:
db_reg_offset = mmTPC1_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_TPC_1_1:
db_reg_offset = mmTPC1_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_TPC_1_2:
db_reg_offset = mmTPC1_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_TPC_1_3:
db_reg_offset = mmTPC1_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_TPC_2_0:
db_reg_offset = mmTPC2_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_TPC_2_1:
db_reg_offset = mmTPC2_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_TPC_2_2:
db_reg_offset = mmTPC2_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_TPC_2_3:
db_reg_offset = mmTPC2_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_TPC_3_0:
db_reg_offset = mmTPC3_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_TPC_3_1:
db_reg_offset = mmTPC3_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_TPC_3_2:
db_reg_offset = mmTPC3_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_TPC_3_3:
db_reg_offset = mmTPC3_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_TPC_4_0:
db_reg_offset = mmTPC4_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_TPC_4_1:
db_reg_offset = mmTPC4_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_TPC_4_2:
db_reg_offset = mmTPC4_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_TPC_4_3:
db_reg_offset = mmTPC4_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_TPC_5_0:
db_reg_offset = mmTPC5_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_TPC_5_1:
db_reg_offset = mmTPC5_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_TPC_5_2:
db_reg_offset = mmTPC5_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_TPC_5_3:
db_reg_offset = mmTPC5_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_TPC_6_0:
db_reg_offset = mmTPC6_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_TPC_6_1:
db_reg_offset = mmTPC6_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_TPC_6_2:
db_reg_offset = mmTPC6_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_TPC_6_3:
db_reg_offset = mmTPC6_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_TPC_7_0:
db_reg_offset = mmTPC7_QM_PQ_PI_0;
break ;
case GAUDI_QUEUE_ID_TPC_7_1:
db_reg_offset = mmTPC7_QM_PQ_PI_1;
break ;
case GAUDI_QUEUE_ID_TPC_7_2:
db_reg_offset = mmTPC7_QM_PQ_PI_2;
break ;
case GAUDI_QUEUE_ID_TPC_7_3:
db_reg_offset = mmTPC7_QM_PQ_PI_3;
break ;
case GAUDI_QUEUE_ID_NIC_0_0...GAUDI_QUEUE_ID_NIC_0_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC0))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC0_QM0_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_1_0...GAUDI_QUEUE_ID_NIC_1_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC1))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC0_QM1_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_2_0...GAUDI_QUEUE_ID_NIC_2_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC2))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC1_QM0_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_3_0...GAUDI_QUEUE_ID_NIC_3_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC3))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC1_QM1_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_4_0...GAUDI_QUEUE_ID_NIC_4_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC4))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC2_QM0_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_5_0...GAUDI_QUEUE_ID_NIC_5_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC5))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC2_QM1_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_6_0...GAUDI_QUEUE_ID_NIC_6_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC6))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC3_QM0_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_7_0...GAUDI_QUEUE_ID_NIC_7_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC7))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC3_QM1_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_8_0...GAUDI_QUEUE_ID_NIC_8_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC8))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC4_QM0_PQ_PI_0 + q_off;
break ;
case GAUDI_QUEUE_ID_NIC_9_0...GAUDI_QUEUE_ID_NIC_9_3:
if (!(gaudi->hw_cap_initialized & HW_CAP_NIC9))
invalid_queue = true ;
q_off = ((hw_queue_id - 1) & 0x3) * 4;
db_reg_offset = mmNIC4_QM1_PQ_PI_0 + q_off;
break ;
default :
invalid_queue = true ;
}
if (invalid_queue) {
/* Should never get here */
dev_err(hdev->dev, "h/w queue %d is invalid. Can't set pi\n" ,
hw_queue_id);
return ;
}
db_value = pi;
/* ring the doorbell */
WREG32(db_reg_offset, db_value);
if (hw_queue_id == GAUDI_QUEUE_ID_CPU_PQ) {
/* make sure device CPU will read latest data from host */
mb();
irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_host_pi_upd_irq);
WREG32(irq_handler_offset,
gaudi_irq_map_table[GAUDI_EVENT_PI_UPDATE].cpu_id);
}
}
static void gaudi_pqe_write(struct hl_device *hdev, __le64 *pqe,
struct hl_bd *bd)
{
__le64 *pbd = (__le64 *) bd;
/* The QMANs are on the host memory so a simple copy suffice */
pqe[0] = pbd[0];
pqe[1] = pbd[1];
}
static void *gaudi_dma_alloc_coherent(struct hl_device *hdev, size_t size,
dma_addr_t *dma_handle, gfp_t flags)
{
void *kernel_addr = dma_alloc_coherent(&hdev->pdev->dev, size,
dma_handle, flags);
/* Shift to the device's base physical address of host memory */
if (kernel_addr)
*dma_handle += HOST_PHYS_BASE;
return kernel_addr;
}
static void gaudi_dma_free_coherent(struct hl_device *hdev, size_t size,
void *cpu_addr, dma_addr_t dma_handle)
{
/* Cancel the device's base physical address of host memory */
dma_addr_t fixed_dma_handle = dma_handle - HOST_PHYS_BASE;
dma_free_coherent(&hdev->pdev->dev, size, cpu_addr, fixed_dma_handle);
}
static int gaudi_scrub_device_dram(struct hl_device *hdev, u64 val)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
u64 cur_addr = prop->dram_user_base_address;
u32 chunk_size, busy;
int rc, dma_id;
while (cur_addr < prop->dram_end_address) {
for (dma_id = 0 ; dma_id < DMA_NUMBER_OF_CHANNELS ; dma_id++) {
u32 dma_offset = dma_id * DMA_CORE_OFFSET;
chunk_size =
min((u64)SZ_2G, prop->dram_end_address - cur_addr);
dev_dbg(hdev->dev,
"Doing HBM scrubbing for 0x%09llx - 0x%09llx\n" ,
cur_addr, cur_addr + chunk_size);
WREG32(mmDMA0_CORE_SRC_BASE_LO + dma_offset,
lower_32_bits(val));
WREG32(mmDMA0_CORE_SRC_BASE_HI + dma_offset,
upper_32_bits(val));
WREG32(mmDMA0_CORE_DST_BASE_LO + dma_offset,
lower_32_bits(cur_addr));
WREG32(mmDMA0_CORE_DST_BASE_HI + dma_offset,
upper_32_bits(cur_addr));
WREG32(mmDMA0_CORE_DST_TSIZE_0 + dma_offset,
chunk_size);
WREG32(mmDMA0_CORE_COMMIT + dma_offset,
((1 << DMA0_CORE_COMMIT_LIN_SHIFT) |
(1 << DMA0_CORE_COMMIT_MEM_SET_SHIFT)));
cur_addr += chunk_size;
if (cur_addr == prop->dram_end_address)
break ;
}
for (dma_id = 0 ; dma_id < DMA_NUMBER_OF_CHANNELS ; dma_id++) {
u32 dma_offset = dma_id * DMA_CORE_OFFSET;
rc = hl_poll_timeout(
hdev,
mmDMA0_CORE_STS0 + dma_offset,
busy,
((busy & DMA0_CORE_STS0_BUSY_MASK) == 0),
1000,
HBM_SCRUBBING_TIMEOUT_US);
if (rc) {
dev_err(hdev->dev,
"DMA Timeout during HBM scrubbing of DMA #%d\n" ,
dma_id);
return -EIO;
}
}
}
return 0;
}
static int gaudi_scrub_device_mem(struct hl_device *hdev)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
u64 wait_to_idle_time = HBM_SCRUBBING_TIMEOUT_US;
u64 addr, size, val = hdev->memory_scrub_val;
ktime_t timeout;
int rc = 0;
if (!hdev->memory_scrub)
return 0;
timeout = ktime_add_us(ktime_get(), wait_to_idle_time);
while (!hdev->asic_funcs->is_device_idle(hdev, NULL, 0, NULL)) {
if (ktime_compare(ktime_get(), timeout) > 0) {
dev_err(hdev->dev, "waiting for idle timeout\n" );
return -ETIMEDOUT;
}
usleep_range((1000 >> 2) + 1, 1000);
}
/* Scrub SRAM */
addr = prop->sram_user_base_address;
size = hdev->pldm ? 0x10000 : prop->sram_size - SRAM_USER_BASE_OFFSET;
dev_dbg(hdev->dev, "Scrubbing SRAM: 0x%09llx - 0x%09llx val: 0x%llx\n" ,
addr, addr + size, val);
rc = gaudi_memset_device_memory(hdev, addr, size, val);
if (rc) {
dev_err(hdev->dev, "Failed to clear SRAM (%d)\n" , rc);
return rc;
}
/* Scrub HBM using all DMA channels in parallel */
rc = gaudi_scrub_device_dram(hdev, val);
if (rc) {
dev_err(hdev->dev, "Failed to clear HBM (%d)\n" , rc);
return rc;
}
return 0;
}
static void *gaudi_get_int_queue_base(struct hl_device *hdev,
u32 queue_id, dma_addr_t *dma_handle,
u16 *queue_len)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct gaudi_internal_qman_info *q;
if (queue_id >= GAUDI_QUEUE_ID_SIZE ||
gaudi_queue_type[queue_id] != QUEUE_TYPE_INT) {
dev_err(hdev->dev, "Got invalid queue id %d\n" , queue_id);
return NULL;
}
q = &gaudi->internal_qmans[queue_id];
*dma_handle = q->pq_dma_addr;
*queue_len = q->pq_size / QMAN_PQ_ENTRY_SIZE;
return q->pq_kernel_addr;
}
static int gaudi_send_cpu_message(struct hl_device *hdev, u32 *msg,
u16 len, u32 timeout, u64 *result)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q)) {
if (result)
*result = 0;
return 0;
}
if (!timeout)
timeout = GAUDI_MSG_TO_CPU_TIMEOUT_USEC;
return hl_fw_send_cpu_message(hdev, GAUDI_QUEUE_ID_CPU_PQ, msg, len,
timeout, result);
}
static int gaudi_test_queue(struct hl_device *hdev, u32 hw_queue_id)
{
struct packet_msg_prot *fence_pkt;
dma_addr_t pkt_dma_addr;
u32 fence_val, tmp, timeout_usec;
dma_addr_t fence_dma_addr;
u32 *fence_ptr;
int rc;
if (hdev->pldm)
timeout_usec = GAUDI_PLDM_TEST_QUEUE_WAIT_USEC;
else
timeout_usec = GAUDI_TEST_QUEUE_WAIT_USEC;
fence_val = GAUDI_QMAN0_FENCE_VAL;
fence_ptr = hl_asic_dma_pool_zalloc(hdev, 4, GFP_KERNEL, &fence_dma_addr);
if (!fence_ptr) {
dev_err(hdev->dev,
"Failed to allocate memory for H/W queue %d testing\n" ,
hw_queue_id);
return -ENOMEM;
}
*fence_ptr = 0;
fence_pkt = hl_asic_dma_pool_zalloc(hdev, sizeof (struct packet_msg_prot), GFP_KERNEL,
&pkt_dma_addr);
if (!fence_pkt) {
dev_err(hdev->dev,
"Failed to allocate packet for H/W queue %d testing\n" ,
hw_queue_id);
rc = -ENOMEM;
goto free_fence_ptr;
}
tmp = FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_MSG_PROT);
tmp |= FIELD_PREP(GAUDI_PKT_CTL_EB_MASK, 1);
tmp |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
fence_pkt->ctl = cpu_to_le32(tmp);
fence_pkt->value = cpu_to_le32(fence_val);
fence_pkt->addr = cpu_to_le64(fence_dma_addr);
rc = hl_hw_queue_send_cb_no_cmpl(hdev, hw_queue_id,
sizeof (struct packet_msg_prot),
pkt_dma_addr);
if (rc) {
dev_err(hdev->dev,
"Failed to send fence packet to H/W queue %d\n" ,
hw_queue_id);
goto free_pkt;
}
rc = hl_poll_timeout_memory(hdev, fence_ptr, tmp, (tmp == fence_val),
1000, timeout_usec, true );
hl_hw_queue_inc_ci_kernel(hdev, hw_queue_id);
if (rc == -ETIMEDOUT) {
dev_err(hdev->dev,
"H/W queue %d test failed (scratch(0x%08llX) == 0x%08X)\n" ,
hw_queue_id, (unsigned long long ) fence_dma_addr, tmp);
rc = -EIO;
}
free_pkt:
hl_asic_dma_pool_free(hdev, (void *) fence_pkt, pkt_dma_addr);
free_fence_ptr:
hl_asic_dma_pool_free(hdev, (void *) fence_ptr, fence_dma_addr);
return rc;
}
static int gaudi_test_cpu_queue(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
/*
* check capability here as send_cpu_message() won't update the result
* value if no capability
*/
if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q))
return 0;
return hl_fw_test_cpu_queue(hdev);
}
static int gaudi_test_queues(struct hl_device *hdev)
{
int i, rc, ret_val = 0;
for (i = 0 ; i < hdev->asic_prop.max_queues ; i++) {
if (hdev->asic_prop.hw_queues_props[i].type == QUEUE_TYPE_EXT) {
rc = gaudi_test_queue(hdev, i);
if (rc)
ret_val = -EINVAL;
}
}
rc = gaudi_test_cpu_queue(hdev);
if (rc)
ret_val = -EINVAL;
return ret_val;
}
static void *gaudi_dma_pool_zalloc(struct hl_device *hdev, size_t size,
gfp_t mem_flags, dma_addr_t *dma_handle)
{
void *kernel_addr;
if (size > GAUDI_DMA_POOL_BLK_SIZE)
return NULL;
kernel_addr = dma_pool_zalloc(hdev->dma_pool, mem_flags, dma_handle);
/* Shift to the device's base physical address of host memory */
if (kernel_addr)
*dma_handle += HOST_PHYS_BASE;
return kernel_addr;
}
static void gaudi_dma_pool_free(struct hl_device *hdev, void *vaddr,
dma_addr_t dma_addr)
{
/* Cancel the device's base physical address of host memory */
dma_addr_t fixed_dma_addr = dma_addr - HOST_PHYS_BASE;
dma_pool_free(hdev->dma_pool, vaddr, fixed_dma_addr);
}
static void *gaudi_cpu_accessible_dma_pool_alloc(struct hl_device *hdev,
size_t size, dma_addr_t *dma_handle)
{
return hl_fw_cpu_accessible_dma_pool_alloc(hdev, size, dma_handle);
}
static void gaudi_cpu_accessible_dma_pool_free(struct hl_device *hdev,
size_t size, void *vaddr)
{
hl_fw_cpu_accessible_dma_pool_free(hdev, size, vaddr);
}
static u32 gaudi_get_dma_desc_list_size(struct hl_device *hdev, struct sg_table *sgt)
{
struct scatterlist *sg, *sg_next_iter;
u32 count, dma_desc_cnt;
u64 len, len_next;
dma_addr_t addr, addr_next;
dma_desc_cnt = 0;
for_each_sgtable_dma_sg(sgt, sg, count) {
len = sg_dma_len(sg);
addr = sg_dma_address(sg);
if (len == 0)
break ;
while ((count + 1) < sgt->nents) {
sg_next_iter = sg_next(sg);
len_next = sg_dma_len(sg_next_iter);
addr_next = sg_dma_address(sg_next_iter);
if (len_next == 0)
break ;
if ((addr + len == addr_next) &&
(len + len_next <= DMA_MAX_TRANSFER_SIZE)) {
len += len_next;
count++;
sg = sg_next_iter;
} else {
break ;
}
}
dma_desc_cnt++;
}
return dma_desc_cnt * sizeof (struct packet_lin_dma);
}
static int gaudi_pin_memory_before_cs(struct hl_device *hdev,
struct hl_cs_parser *parser,
struct packet_lin_dma *user_dma_pkt,
u64 addr, enum dma_data_direction dir)
{
struct hl_userptr *userptr;
int rc;
if (hl_userptr_is_pinned(hdev, addr, le32_to_cpu(user_dma_pkt->tsize),
parser->job_userptr_list, &userptr))
goto already_pinned;
userptr = kzalloc(sizeof (*userptr), GFP_KERNEL);
if (!userptr)
return -ENOMEM;
rc = hl_pin_host_memory(hdev, addr, le32_to_cpu(user_dma_pkt->tsize),
userptr);
if (rc)
goto free_userptr;
list_add_tail(&userptr->job_node, parser->job_userptr_list);
rc = hl_dma_map_sgtable(hdev, userptr->sgt, dir);
if (rc) {
dev_err(hdev->dev, "failed to map sgt with DMA region\n" );
goto unpin_memory;
}
userptr->dma_mapped = true ;
userptr->dir = dir;
already_pinned:
parser->patched_cb_size +=
gaudi_get_dma_desc_list_size(hdev, userptr->sgt);
return 0;
unpin_memory:
list_del(&userptr->job_node);
hl_unpin_host_memory(hdev, userptr);
free_userptr:
kfree(userptr);
return rc;
}
static int gaudi_validate_dma_pkt_host(struct hl_device *hdev,
struct hl_cs_parser *parser,
struct packet_lin_dma *user_dma_pkt,
bool src_in_host)
{
enum dma_data_direction dir;
bool skip_host_mem_pin = false , user_memset;
u64 addr;
int rc = 0;
user_memset = (le32_to_cpu(user_dma_pkt->ctl) &
GAUDI_PKT_LIN_DMA_CTL_MEMSET_MASK) >>
GAUDI_PKT_LIN_DMA_CTL_MEMSET_SHIFT;
if (src_in_host) {
if (user_memset)
skip_host_mem_pin = true ;
dev_dbg(hdev->dev, "DMA direction is HOST --> DEVICE\n" );
dir = DMA_TO_DEVICE;
addr = le64_to_cpu(user_dma_pkt->src_addr);
} else {
dev_dbg(hdev->dev, "DMA direction is DEVICE --> HOST\n" );
dir = DMA_FROM_DEVICE;
addr = (le64_to_cpu(user_dma_pkt->dst_addr) &
GAUDI_PKT_LIN_DMA_DST_ADDR_MASK) >>
GAUDI_PKT_LIN_DMA_DST_ADDR_SHIFT;
}
if (skip_host_mem_pin)
parser->patched_cb_size += sizeof (*user_dma_pkt);
else
rc = gaudi_pin_memory_before_cs(hdev, parser, user_dma_pkt,
addr, dir);
return rc;
}
static int gaudi_validate_dma_pkt_no_mmu(struct hl_device *hdev,
struct hl_cs_parser *parser,
struct packet_lin_dma *user_dma_pkt)
{
bool src_in_host = false ;
u64 dst_addr = (le64_to_cpu(user_dma_pkt->dst_addr) &
GAUDI_PKT_LIN_DMA_DST_ADDR_MASK) >>
GAUDI_PKT_LIN_DMA_DST_ADDR_SHIFT;
dev_dbg(hdev->dev, "DMA packet details:\n" );
dev_dbg(hdev->dev, "source == 0x%llx\n" ,
le64_to_cpu(user_dma_pkt->src_addr));
dev_dbg(hdev->dev, "destination == 0x%llx\n" , dst_addr);
dev_dbg(hdev->dev, "size == %u\n" , le32_to_cpu(user_dma_pkt->tsize));
/*
* Special handling for DMA with size 0. Bypass all validations
* because no transactions will be done except for WR_COMP, which
* is not a security issue
*/
if (!le32_to_cpu(user_dma_pkt->tsize)) {
parser->patched_cb_size += sizeof (*user_dma_pkt);
return 0;
}
if (parser->hw_queue_id <= GAUDI_QUEUE_ID_DMA_0_3)
src_in_host = true ;
return gaudi_validate_dma_pkt_host(hdev, parser, user_dma_pkt,
src_in_host);
}
static int gaudi_validate_load_and_exe_pkt(struct hl_device *hdev,
struct hl_cs_parser *parser,
struct packet_load_and_exe *user_pkt)
{
u32 cfg;
cfg = le32_to_cpu(user_pkt->cfg);
if (cfg & GAUDI_PKT_LOAD_AND_EXE_CFG_DST_MASK) {
dev_err(hdev->dev,
"User not allowed to use Load and Execute\n" );
return -EPERM;
}
parser->patched_cb_size += sizeof (struct packet_load_and_exe);
return 0;
}
static int gaudi_validate_cb(struct hl_device *hdev,
struct hl_cs_parser *parser, bool is_mmu)
{
u32 cb_parsed_length = 0;
int rc = 0;
parser->patched_cb_size = 0;
/* cb_user_size is more than 0 so loop will always be executed */
while (cb_parsed_length < parser->user_cb_size) {
enum packet_id pkt_id;
u16 pkt_size;
struct gaudi_packet *user_pkt;
user_pkt = parser->user_cb->kernel_address + cb_parsed_length;
pkt_id = (enum packet_id) (
(le64_to_cpu(user_pkt->header) &
PACKET_HEADER_PACKET_ID_MASK) >>
PACKET_HEADER_PACKET_ID_SHIFT);
if (!validate_packet_id(pkt_id)) {
dev_err(hdev->dev, "Invalid packet id %u\n" , pkt_id);
rc = -EINVAL;
break ;
}
pkt_size = gaudi_packet_sizes[pkt_id];
cb_parsed_length += pkt_size;
if (cb_parsed_length > parser->user_cb_size) {
dev_err(hdev->dev,
"packet 0x%x is out of CB boundary\n" , pkt_id);
rc = -EINVAL;
break ;
}
switch (pkt_id) {
case PACKET_MSG_PROT:
dev_err(hdev->dev,
"User not allowed to use MSG_PROT\n" );
rc = -EPERM;
break ;
case PACKET_CP_DMA:
dev_err(hdev->dev, "User not allowed to use CP_DMA\n" );
rc = -EPERM;
break ;
case PACKET_STOP:
dev_err(hdev->dev, "User not allowed to use STOP\n" );
rc = -EPERM;
break ;
case PACKET_WREG_BULK:
dev_err(hdev->dev,
"User not allowed to use WREG_BULK\n" );
rc = -EPERM;
break ;
case PACKET_LOAD_AND_EXE:
rc = gaudi_validate_load_and_exe_pkt(hdev, parser,
(struct packet_load_and_exe *) user_pkt);
break ;
case PACKET_LIN_DMA:
parser->contains_dma_pkt = true ;
if (is_mmu)
parser->patched_cb_size += pkt_size;
else
rc = gaudi_validate_dma_pkt_no_mmu(hdev, parser,
(struct packet_lin_dma *) user_pkt);
break ;
case PACKET_WREG_32:
case PACKET_MSG_LONG:
case PACKET_MSG_SHORT:
case PACKET_REPEAT:
case PACKET_FENCE:
case PACKET_NOP:
case PACKET_ARB_POINT:
parser->patched_cb_size += pkt_size;
break ;
default :
dev_err(hdev->dev, "Invalid packet header 0x%x\n" ,
pkt_id);
rc = -EINVAL;
break ;
}
if (rc)
break ;
}
/*
* The new CB should have space at the end for two MSG_PROT packets:
* 1. Optional NOP padding for cacheline alignment
* 2. A packet that will act as a completion packet
* 3. A packet that will generate MSI interrupt
*/
if (parser->completion)
parser->patched_cb_size += gaudi_get_patched_cb_extra_size(
parser->patched_cb_size);
return rc;
}
static int gaudi_patch_dma_packet(struct hl_device *hdev,
struct hl_cs_parser *parser,
struct packet_lin_dma *user_dma_pkt,
struct packet_lin_dma *new_dma_pkt,
u32 *new_dma_pkt_size)
{
struct hl_userptr *userptr;
struct scatterlist *sg, *sg_next_iter;
u32 count, dma_desc_cnt, user_wrcomp_en_mask, ctl;
u64 len, len_next;
dma_addr_t dma_addr, dma_addr_next;
u64 device_memory_addr, addr;
enum dma_data_direction dir;
struct sg_table *sgt;
bool src_in_host = false ;
bool skip_host_mem_pin = false ;
bool user_memset;
ctl = le32_to_cpu(user_dma_pkt->ctl);
if (parser->hw_queue_id <= GAUDI_QUEUE_ID_DMA_0_3)
src_in_host = true ;
user_memset = (ctl & GAUDI_PKT_LIN_DMA_CTL_MEMSET_MASK) >>
GAUDI_PKT_LIN_DMA_CTL_MEMSET_SHIFT;
if (src_in_host) {
addr = le64_to_cpu(user_dma_pkt->src_addr);
device_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr);
dir = DMA_TO_DEVICE;
if (user_memset)
skip_host_mem_pin = true ;
} else {
addr = le64_to_cpu(user_dma_pkt->dst_addr);
device_memory_addr = le64_to_cpu(user_dma_pkt->src_addr);
dir = DMA_FROM_DEVICE;
}
if ((!skip_host_mem_pin) &&
(!hl_userptr_is_pinned(hdev, addr,
le32_to_cpu(user_dma_pkt->tsize),
parser->job_userptr_list, &userptr))) {
dev_err(hdev->dev, "Userptr 0x%llx + 0x%x NOT mapped\n" ,
addr, user_dma_pkt->tsize);
return -EFAULT;
}
if ((user_memset) && (dir == DMA_TO_DEVICE)) {
memcpy(new_dma_pkt, user_dma_pkt, sizeof (*user_dma_pkt));
*new_dma_pkt_size = sizeof (*user_dma_pkt);
return 0;
}
user_wrcomp_en_mask = ctl & GAUDI_PKT_LIN_DMA_CTL_WRCOMP_EN_MASK;
sgt = userptr->sgt;
dma_desc_cnt = 0;
for_each_sgtable_dma_sg(sgt, sg, count) {
len = sg_dma_len(sg);
dma_addr = sg_dma_address(sg);
if (len == 0)
break ;
while ((count + 1) < sgt->nents) {
sg_next_iter = sg_next(sg);
len_next = sg_dma_len(sg_next_iter);
dma_addr_next = sg_dma_address(sg_next_iter);
if (len_next == 0)
break ;
if ((dma_addr + len == dma_addr_next) &&
(len + len_next <= DMA_MAX_TRANSFER_SIZE)) {
len += len_next;
count++;
sg = sg_next_iter;
} else {
break ;
}
}
ctl = le32_to_cpu(user_dma_pkt->ctl);
if (likely(dma_desc_cnt))
ctl &= ~GAUDI_PKT_CTL_EB_MASK;
ctl &= ~GAUDI_PKT_LIN_DMA_CTL_WRCOMP_EN_MASK;
new_dma_pkt->ctl = cpu_to_le32(ctl);
new_dma_pkt->tsize = cpu_to_le32(len);
if (dir == DMA_TO_DEVICE) {
new_dma_pkt->src_addr = cpu_to_le64(dma_addr);
new_dma_pkt->dst_addr = cpu_to_le64(device_memory_addr);
} else {
new_dma_pkt->src_addr = cpu_to_le64(device_memory_addr);
new_dma_pkt->dst_addr = cpu_to_le64(dma_addr);
}
if (!user_memset)
device_memory_addr += len;
dma_desc_cnt++;
new_dma_pkt++;
}
if (!dma_desc_cnt) {
dev_err(hdev->dev,
"Error of 0 SG entries when patching DMA packet\n" );
return -EFAULT;
}
/* Fix the last dma packet - wrcomp must be as user set it */
new_dma_pkt--;
new_dma_pkt->ctl |= cpu_to_le32(user_wrcomp_en_mask);
*new_dma_pkt_size = dma_desc_cnt * sizeof (struct packet_lin_dma);
return 0;
}
static int gaudi_patch_cb(struct hl_device *hdev,
struct hl_cs_parser *parser)
{
u32 cb_parsed_length = 0;
u32 cb_patched_cur_length = 0;
int rc = 0;
/* cb_user_size is more than 0 so loop will always be executed */
while (cb_parsed_length < parser->user_cb_size) {
enum packet_id pkt_id;
u16 pkt_size;
u32 new_pkt_size = 0;
struct gaudi_packet *user_pkt, *kernel_pkt;
user_pkt = parser->user_cb->kernel_address + cb_parsed_length;
kernel_pkt = parser->patched_cb->kernel_address +
cb_patched_cur_length;
pkt_id = (enum packet_id) (
(le64_to_cpu(user_pkt->header) &
PACKET_HEADER_PACKET_ID_MASK) >>
PACKET_HEADER_PACKET_ID_SHIFT);
if (!validate_packet_id(pkt_id)) {
dev_err(hdev->dev, "Invalid packet id %u\n" , pkt_id);
rc = -EINVAL;
break ;
}
pkt_size = gaudi_packet_sizes[pkt_id];
cb_parsed_length += pkt_size;
if (cb_parsed_length > parser->user_cb_size) {
dev_err(hdev->dev,
"packet 0x%x is out of CB boundary\n" , pkt_id);
rc = -EINVAL;
break ;
}
switch (pkt_id) {
case PACKET_LIN_DMA:
rc = gaudi_patch_dma_packet(hdev, parser,
(struct packet_lin_dma *) user_pkt,
(struct packet_lin_dma *) kernel_pkt,
&new_pkt_size);
cb_patched_cur_length += new_pkt_size;
break ;
case PACKET_MSG_PROT:
dev_err(hdev->dev,
"User not allowed to use MSG_PROT\n" );
rc = -EPERM;
break ;
case PACKET_CP_DMA:
dev_err(hdev->dev, "User not allowed to use CP_DMA\n" );
rc = -EPERM;
break ;
case PACKET_STOP:
dev_err(hdev->dev, "User not allowed to use STOP\n" );
rc = -EPERM;
break ;
case PACKET_WREG_32:
case PACKET_WREG_BULK:
case PACKET_MSG_LONG:
case PACKET_MSG_SHORT:
case PACKET_REPEAT:
case PACKET_FENCE:
case PACKET_NOP:
case PACKET_ARB_POINT:
case PACKET_LOAD_AND_EXE:
memcpy(kernel_pkt, user_pkt, pkt_size);
cb_patched_cur_length += pkt_size;
break ;
default :
dev_err(hdev->dev, "Invalid packet header 0x%x\n" ,
pkt_id);
rc = -EINVAL;
break ;
}
if (rc)
break ;
}
return rc;
}
static int gaudi_parse_cb_mmu(struct hl_device *hdev,
struct hl_cs_parser *parser)
{
u64 handle;
u32 patched_cb_size;
struct hl_cb *user_cb;
int rc;
/*
* The new CB should have space at the end for two MSG_PROT packets:
* 1. Optional NOP padding for cacheline alignment
* 2. A packet that will act as a completion packet
* 3. A packet that will generate MSI interrupt
*/
if (parser->completion)
parser->patched_cb_size = parser->user_cb_size +
gaudi_get_patched_cb_extra_size(parser->user_cb_size);
else
parser->patched_cb_size = parser->user_cb_size;
rc = hl_cb_create(hdev, &hdev->kernel_mem_mgr, hdev->kernel_ctx,
parser->patched_cb_size, false , false ,
&handle);
if (rc) {
dev_err(hdev->dev,
"Failed to allocate patched CB for DMA CS %d\n" ,
rc);
return rc;
}
parser->patched_cb = hl_cb_get(&hdev->kernel_mem_mgr, handle);
/* hl_cb_get should never fail */
if (!parser->patched_cb) {
dev_crit(hdev->dev, "DMA CB handle invalid 0x%llx\n" , handle);
rc = -EFAULT;
goto out;
}
/*
* We are protected from overflow because the check
* "parser->user_cb_size <= parser->user_cb->size" was done in get_cb_from_cs_chunk()
* in the common code. That check is done only if is_kernel_allocated_cb is true.
*
* There is no option to reach here without going through that check because:
* 1. validate_queue_index() assigns true to is_kernel_allocated_cb for any submission to
* an external queue.
* 2. For Gaudi, we only parse CBs that were submitted to the external queues.
*/
memcpy(parser->patched_cb->kernel_address,
parser->user_cb->kernel_address,
parser->user_cb_size);
patched_cb_size = parser->patched_cb_size;
/* Validate patched CB instead of user CB */
user_cb = parser->user_cb;
parser->user_cb = parser->patched_cb;
rc = gaudi_validate_cb(hdev, parser, true );
parser->user_cb = user_cb;
if (rc) {
hl_cb_put(parser->patched_cb);
goto out;
}
if (patched_cb_size != parser->patched_cb_size) {
dev_err(hdev->dev, "user CB size mismatch\n" );
hl_cb_put(parser->patched_cb);
rc = -EINVAL;
goto out;
}
out:
/*
* Always call cb destroy here because we still have 1 reference
* to it by calling cb_get earlier. After the job will be completed,
* cb_put will release it, but here we want to remove it from the
* idr
*/
hl_cb_destroy(&hdev->kernel_mem_mgr, handle);
return rc;
}
static int gaudi_parse_cb_no_mmu(struct hl_device *hdev,
struct hl_cs_parser *parser)
{
u64 handle;
int rc;
rc = gaudi_validate_cb(hdev, parser, false );
if (rc)
goto free_userptr;
rc = hl_cb_create(hdev, &hdev->kernel_mem_mgr, hdev->kernel_ctx,
parser->patched_cb_size, false , false ,
&handle);
if (rc) {
dev_err(hdev->dev,
"Failed to allocate patched CB for DMA CS %d\n" , rc);
goto free_userptr;
}
parser->patched_cb = hl_cb_get(&hdev->kernel_mem_mgr, handle);
/* hl_cb_get should never fail here */
if (!parser->patched_cb) {
dev_crit(hdev->dev, "DMA CB handle invalid 0x%llx\n" , handle);
rc = -EFAULT;
goto out;
}
rc = gaudi_patch_cb(hdev, parser);
if (rc)
hl_cb_put(parser->patched_cb);
out:
/*
* Always call cb destroy here because we still have 1 reference
* to it by calling cb_get earlier. After the job will be completed,
* cb_put will release it, but here we want to remove it from the
* idr
*/
hl_cb_destroy(&hdev->kernel_mem_mgr, handle);
free_userptr:
if (rc)
hl_userptr_delete_list(hdev, parser->job_userptr_list);
return rc;
}
static int gaudi_parse_cb_no_ext_queue(struct hl_device *hdev,
struct hl_cs_parser *parser)
{
struct asic_fixed_properties *asic_prop = &hdev->asic_prop;
struct gaudi_device *gaudi = hdev->asic_specific;
u32 nic_queue_offset, nic_mask_q_id;
if ((parser->hw_queue_id >= GAUDI_QUEUE_ID_NIC_0_0) &&
(parser->hw_queue_id <= GAUDI_QUEUE_ID_NIC_9_3)) {
nic_queue_offset = parser->hw_queue_id - GAUDI_QUEUE_ID_NIC_0_0;
nic_mask_q_id = 1 << (HW_CAP_NIC_SHIFT + (nic_queue_offset >> 2));
if (!(gaudi->hw_cap_initialized & nic_mask_q_id)) {
dev_err(hdev->dev, "h/w queue %d is disabled\n" , parser->hw_queue_id);
return -EINVAL;
}
}
/* For internal queue jobs just check if CB address is valid */
if (hl_mem_area_inside_range((u64) (uintptr_t) parser->user_cb,
parser->user_cb_size,
asic_prop->sram_user_base_address,
asic_prop->sram_end_address))
return 0;
if (hl_mem_area_inside_range((u64) (uintptr_t) parser->user_cb,
parser->user_cb_size,
asic_prop->dram_user_base_address,
asic_prop->dram_end_address))
return 0;
/* PMMU and HPMMU addresses are equal, check only one of them */
if (hl_mem_area_inside_range((u64) (uintptr_t) parser->user_cb,
parser->user_cb_size,
asic_prop->pmmu.start_addr,
asic_prop->pmmu.end_addr))
return 0;
dev_err(hdev->dev,
"CB address 0x%px + 0x%x for internal QMAN is not valid\n" ,
parser->user_cb, parser->user_cb_size);
return -EFAULT;
}
static int gaudi_cs_parser(struct hl_device *hdev, struct hl_cs_parser *parser)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (parser->queue_type == QUEUE_TYPE_INT)
return gaudi_parse_cb_no_ext_queue(hdev, parser);
if (gaudi->hw_cap_initialized & HW_CAP_MMU)
return gaudi_parse_cb_mmu(hdev, parser);
else
return gaudi_parse_cb_no_mmu(hdev, parser);
}
static void gaudi_add_end_of_cb_packets(struct hl_device *hdev, void *kernel_address,
u32 len, u32 original_len, u64 cq_addr, u32 cq_val,
u32 msi_vec, bool eb)
{
struct packet_msg_prot *cq_pkt;
struct packet_nop *cq_padding;
u64 msi_addr;
u32 tmp;
cq_padding = kernel_address + original_len;
cq_pkt = kernel_address + len - (sizeof (struct packet_msg_prot) * 2);
while ((void *)cq_padding < (void *)cq_pkt) {
cq_padding->ctl = cpu_to_le32(FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_NOP));
cq_padding++;
}
tmp = FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_MSG_PROT);
tmp |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
if (eb)
tmp |= FIELD_PREP(GAUDI_PKT_CTL_EB_MASK, 1);
cq_pkt->ctl = cpu_to_le32(tmp);
cq_pkt->value = cpu_to_le32(cq_val);
cq_pkt->addr = cpu_to_le64(cq_addr);
cq_pkt++;
tmp = FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_MSG_PROT);
tmp |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
cq_pkt->ctl = cpu_to_le32(tmp);
cq_pkt->value = cpu_to_le32(1);
msi_addr = hdev->pdev ? mmPCIE_CORE_MSI_REQ : mmPCIE_MSI_INTR_0 + msi_vec * 4;
cq_pkt->addr = cpu_to_le64(CFG_BASE + msi_addr);
}
static void gaudi_update_eq_ci(struct hl_device *hdev, u32 val)
{
WREG32(mmCPU_IF_EQ_RD_OFFS, val);
}
static int gaudi_memset_device_memory(struct hl_device *hdev, u64 addr,
u32 size, u64 val)
{
struct packet_lin_dma *lin_dma_pkt;
struct hl_cs_job *job;
u32 cb_size, ctl, err_cause;
struct hl_cb *cb;
int rc;
cb = hl_cb_kernel_create(hdev, PAGE_SIZE, false );
if (!cb)
return -EFAULT;
lin_dma_pkt = cb->kernel_address;
memset(lin_dma_pkt, 0, sizeof (*lin_dma_pkt));
cb_size = sizeof (*lin_dma_pkt);
ctl = FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_LIN_DMA);
ctl |= FIELD_PREP(GAUDI_PKT_LIN_DMA_CTL_MEMSET_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_LIN_DMA_CTL_LIN_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_RB_MASK, 1);
lin_dma_pkt->ctl = cpu_to_le32(ctl);
lin_dma_pkt->src_addr = cpu_to_le64(val);
lin_dma_pkt->dst_addr |= cpu_to_le64(addr);
lin_dma_pkt->tsize = cpu_to_le32(size);
job = hl_cs_allocate_job(hdev, QUEUE_TYPE_EXT, true );
if (!job) {
dev_err(hdev->dev, "Failed to allocate a new job\n" );
rc = -ENOMEM;
goto release_cb;
}
/* Verify DMA is OK */
err_cause = RREG32(mmDMA0_CORE_ERR_CAUSE);
if (err_cause && !hdev->init_done) {
dev_dbg(hdev->dev,
"Clearing DMA0 engine from errors (cause 0x%x)\n" ,
err_cause);
WREG32(mmDMA0_CORE_ERR_CAUSE, err_cause);
}
job->id = 0;
job->user_cb = cb;
atomic_inc(&job->user_cb->cs_cnt);
job->user_cb_size = cb_size;
job->hw_queue_id = GAUDI_QUEUE_ID_DMA_0_0;
job->patched_cb = job->user_cb;
job->job_cb_size = job->user_cb_size + sizeof (struct packet_msg_prot);
hl_debugfs_add_job(hdev, job);
rc = gaudi_send_job_on_qman0(hdev, job);
hl_debugfs_remove_job(hdev, job);
kfree(job);
atomic_dec(&cb->cs_cnt);
/* Verify DMA is OK */
err_cause = RREG32(mmDMA0_CORE_ERR_CAUSE);
if (err_cause) {
dev_err(hdev->dev, "DMA Failed, cause 0x%x\n" , err_cause);
rc = -EIO;
if (!hdev->init_done) {
dev_dbg(hdev->dev,
"Clearing DMA0 engine from errors (cause 0x%x)\n" ,
err_cause);
WREG32(mmDMA0_CORE_ERR_CAUSE, err_cause);
}
}
release_cb:
hl_cb_put(cb);
hl_cb_destroy(&hdev->kernel_mem_mgr, cb->buf->handle);
return rc;
}
static int gaudi_memset_registers(struct hl_device *hdev, u64 reg_base,
u32 num_regs, u32 val)
{
struct packet_msg_long *pkt;
struct hl_cs_job *job;
u32 cb_size, ctl;
struct hl_cb *cb;
int i, rc;
cb_size = (sizeof (*pkt) * num_regs) + sizeof (struct packet_msg_prot);
if (cb_size > SZ_2M) {
dev_err(hdev->dev, "CB size must be smaller than %uMB" , SZ_2M);
return -ENOMEM;
}
cb = hl_cb_kernel_create(hdev, cb_size, false );
if (!cb)
return -EFAULT;
pkt = cb->kernel_address;
ctl = FIELD_PREP(GAUDI_PKT_LONG_CTL_OP_MASK, 0); /* write the value */
ctl |= FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_MSG_LONG);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_EB_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_RB_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
for (i = 0; i < num_regs ; i++, pkt++) {
pkt->ctl = cpu_to_le32(ctl);
pkt->value = cpu_to_le32(val);
pkt->addr = cpu_to_le64(reg_base + (i * 4));
}
job = hl_cs_allocate_job(hdev, QUEUE_TYPE_EXT, true );
if (!job) {
dev_err(hdev->dev, "Failed to allocate a new job\n" );
rc = -ENOMEM;
goto release_cb;
}
job->id = 0;
job->user_cb = cb;
atomic_inc(&job->user_cb->cs_cnt);
job->user_cb_size = cb_size;
job->hw_queue_id = GAUDI_QUEUE_ID_DMA_0_0;
job->patched_cb = job->user_cb;
job->job_cb_size = cb_size;
hl_debugfs_add_job(hdev, job);
rc = gaudi_send_job_on_qman0(hdev, job);
hl_debugfs_remove_job(hdev, job);
kfree(job);
atomic_dec(&cb->cs_cnt);
release_cb:
hl_cb_put(cb);
hl_cb_destroy(&hdev->kernel_mem_mgr, cb->buf->handle);
return rc;
}
static int gaudi_restore_sm_registers(struct hl_device *hdev)
{
u64 base_addr;
u32 num_regs;
int rc;
base_addr = CFG_BASE + mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0;
num_regs = NUM_OF_SOB_IN_BLOCK;
rc = gaudi_memset_registers(hdev, base_addr, num_regs, 0);
if (rc) {
dev_err(hdev->dev, "failed resetting SM registers" );
return -ENOMEM;
}
base_addr = CFG_BASE + mmSYNC_MNGR_E_S_SYNC_MNGR_OBJS_SOB_OBJ_0;
num_regs = NUM_OF_SOB_IN_BLOCK;
rc = gaudi_memset_registers(hdev, base_addr, num_regs, 0);
if (rc) {
dev_err(hdev->dev, "failed resetting SM registers" );
return -ENOMEM;
}
base_addr = CFG_BASE + mmSYNC_MNGR_W_N_SYNC_MNGR_OBJS_SOB_OBJ_0;
num_regs = NUM_OF_SOB_IN_BLOCK;
rc = gaudi_memset_registers(hdev, base_addr, num_regs, 0);
if (rc) {
dev_err(hdev->dev, "failed resetting SM registers" );
return -ENOMEM;
}
base_addr = CFG_BASE + mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_STATUS_0;
num_regs = NUM_OF_MONITORS_IN_BLOCK;
rc = gaudi_memset_registers(hdev, base_addr, num_regs, 0);
if (rc) {
dev_err(hdev->dev, "failed resetting SM registers" );
return -ENOMEM;
}
base_addr = CFG_BASE + mmSYNC_MNGR_E_S_SYNC_MNGR_OBJS_MON_STATUS_0;
num_regs = NUM_OF_MONITORS_IN_BLOCK;
rc = gaudi_memset_registers(hdev, base_addr, num_regs, 0);
if (rc) {
dev_err(hdev->dev, "failed resetting SM registers" );
return -ENOMEM;
}
base_addr = CFG_BASE + mmSYNC_MNGR_W_N_SYNC_MNGR_OBJS_MON_STATUS_0;
num_regs = NUM_OF_MONITORS_IN_BLOCK;
rc = gaudi_memset_registers(hdev, base_addr, num_regs, 0);
if (rc) {
dev_err(hdev->dev, "failed resetting SM registers" );
return -ENOMEM;
}
base_addr = CFG_BASE + mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0 +
(GAUDI_FIRST_AVAILABLE_W_S_SYNC_OBJECT * 4);
num_regs = NUM_OF_SOB_IN_BLOCK - GAUDI_FIRST_AVAILABLE_W_S_SYNC_OBJECT;
rc = gaudi_memset_registers(hdev, base_addr, num_regs, 0);
if (rc) {
dev_err(hdev->dev, "failed resetting SM registers" );
return -ENOMEM;
}
base_addr = CFG_BASE + mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_STATUS_0 +
(GAUDI_FIRST_AVAILABLE_W_S_MONITOR * 4);
num_regs = NUM_OF_MONITORS_IN_BLOCK - GAUDI_FIRST_AVAILABLE_W_S_MONITOR;
rc = gaudi_memset_registers(hdev, base_addr, num_regs, 0);
if (rc) {
dev_err(hdev->dev, "failed resetting SM registers" );
return -ENOMEM;
}
return 0;
}
static void gaudi_restore_dma_registers(struct hl_device *hdev)
{
u32 sob_delta = mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_1 -
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0;
int i;
for (i = 0 ; i < DMA_NUMBER_OF_CHANNELS ; i++) {
u64 sob_addr = CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0 +
(i * sob_delta);
u32 dma_offset = i * DMA_CORE_OFFSET;
WREG32(mmDMA0_CORE_WR_COMP_ADDR_LO + dma_offset,
lower_32_bits(sob_addr));
WREG32(mmDMA0_CORE_WR_COMP_ADDR_HI + dma_offset,
upper_32_bits(sob_addr));
WREG32(mmDMA0_CORE_WR_COMP_WDATA + dma_offset, 0x80000001);
/* For DMAs 2-7, need to restore WR_AWUSER_31_11 as it can be
* modified by the user for SRAM reduction
*/
if (i > 1)
WREG32(mmDMA0_CORE_WR_AWUSER_31_11 + dma_offset,
0x00000001);
}
}
static void gaudi_restore_qm_registers(struct hl_device *hdev)
{
u32 qman_offset;
int i;
for (i = 0 ; i < DMA_NUMBER_OF_CHANNELS ; i++) {
qman_offset = i * DMA_QMAN_OFFSET;
WREG32(mmDMA0_QM_ARB_CFG_0 + qman_offset, 0);
}
for (i = 0 ; i < MME_NUMBER_OF_MASTER_ENGINES ; i++) {
qman_offset = i * (mmMME2_QM_BASE - mmMME0_QM_BASE);
WREG32(mmMME0_QM_ARB_CFG_0 + qman_offset, 0);
}
for (i = 0 ; i < TPC_NUMBER_OF_ENGINES ; i++) {
qman_offset = i * TPC_QMAN_OFFSET;
WREG32(mmTPC0_QM_ARB_CFG_0 + qman_offset, 0);
}
for (i = 0 ; i < NIC_NUMBER_OF_ENGINES ; i++) {
qman_offset = (i >> 1) * NIC_MACRO_QMAN_OFFSET +
(i & 0x1) * NIC_ENGINE_QMAN_OFFSET;
WREG32(mmNIC0_QM0_ARB_CFG_0 + qman_offset, 0);
}
}
static int gaudi_restore_user_registers(struct hl_device *hdev)
{
int rc;
rc = gaudi_restore_sm_registers(hdev);
if (rc)
return rc;
gaudi_restore_dma_registers(hdev);
gaudi_restore_qm_registers(hdev);
return 0;
}
static int gaudi_context_switch(struct hl_device *hdev, u32 asid)
{
return 0;
}
static int gaudi_mmu_clear_pgt_range(struct hl_device *hdev)
{
u32 size = hdev->asic_prop.mmu_pgt_size +
hdev->asic_prop.mmu_cache_mng_size;
struct gaudi_device *gaudi = hdev->asic_specific;
u64 addr = hdev->asic_prop.mmu_pgt_addr;
if (!(gaudi->hw_cap_initialized & HW_CAP_MMU))
return 0;
return gaudi_memset_device_memory(hdev, addr, size, 0);
}
static void gaudi_restore_phase_topology(struct hl_device *hdev)
{
}
static int gaudi_dma_core_transfer(struct hl_device *hdev, int dma_id, u64 addr,
u32 size_to_dma, dma_addr_t dma_addr)
{
u32 err_cause, val;
u64 dma_offset;
int rc;
dma_offset = dma_id * DMA_CORE_OFFSET;
WREG32(mmDMA0_CORE_SRC_BASE_LO + dma_offset, lower_32_bits(addr));
WREG32(mmDMA0_CORE_SRC_BASE_HI + dma_offset, upper_32_bits(addr));
WREG32(mmDMA0_CORE_DST_BASE_LO + dma_offset, lower_32_bits(dma_addr));
WREG32(mmDMA0_CORE_DST_BASE_HI + dma_offset, upper_32_bits(dma_addr));
WREG32(mmDMA0_CORE_DST_TSIZE_0 + dma_offset, size_to_dma);
WREG32(mmDMA0_CORE_COMMIT + dma_offset,
(1 << DMA0_CORE_COMMIT_LIN_SHIFT));
rc = hl_poll_timeout(
hdev,
mmDMA0_CORE_STS0 + dma_offset,
val,
((val & DMA0_CORE_STS0_BUSY_MASK) == 0),
0,
1000000);
if (rc) {
dev_err(hdev->dev,
"DMA %d timed-out during reading of 0x%llx\n" ,
dma_id, addr);
return -EIO;
}
/* Verify DMA is OK */
err_cause = RREG32(mmDMA0_CORE_ERR_CAUSE + dma_offset);
if (err_cause) {
dev_err(hdev->dev, "DMA Failed, cause 0x%x\n" , err_cause);
dev_dbg(hdev->dev,
"Clearing DMA0 engine from errors (cause 0x%x)\n" ,
err_cause);
WREG32(mmDMA0_CORE_ERR_CAUSE + dma_offset, err_cause);
return -EIO;
}
return 0;
}
static int gaudi_debugfs_read_dma(struct hl_device *hdev, u64 addr, u32 size,
void *blob_addr)
{
u32 dma_core_sts0, err_cause, cfg1, size_left, pos, size_to_dma;
u32 qm_glbl_sts0, qm_cgm_sts;
u64 dma_offset, qm_offset;
dma_addr_t dma_addr;
void *kernel_addr;
bool is_eng_idle;
int rc = 0, dma_id;
kernel_addr = hl_asic_dma_alloc_coherent(hdev, SZ_2M, &dma_addr, GFP_KERNEL | __GFP_ZERO);
if (!kernel_addr)
return -ENOMEM;
hdev->asic_funcs->hw_queues_lock(hdev);
dma_id = gaudi_dma_assignment[GAUDI_PCI_DMA_1];
dma_offset = dma_id * DMA_CORE_OFFSET;
qm_offset = dma_id * DMA_QMAN_OFFSET;
dma_core_sts0 = RREG32(mmDMA0_CORE_STS0 + dma_offset);
qm_glbl_sts0 = RREG32(mmDMA0_QM_GLBL_STS0 + qm_offset);
qm_cgm_sts = RREG32(mmDMA0_QM_CGM_STS + qm_offset);
is_eng_idle = IS_QM_IDLE(qm_glbl_sts0, qm_cgm_sts) &&
IS_DMA_IDLE(dma_core_sts0);
if (!is_eng_idle) {
dma_id = gaudi_dma_assignment[GAUDI_PCI_DMA_2];
dma_offset = dma_id * DMA_CORE_OFFSET;
qm_offset = dma_id * DMA_QMAN_OFFSET;
dma_core_sts0 = RREG32(mmDMA0_CORE_STS0 + dma_offset);
qm_glbl_sts0 = RREG32(mmDMA0_QM_GLBL_STS0 + qm_offset);
qm_cgm_sts = RREG32(mmDMA0_QM_CGM_STS + qm_offset);
is_eng_idle = IS_QM_IDLE(qm_glbl_sts0, qm_cgm_sts) &&
IS_DMA_IDLE(dma_core_sts0);
if (!is_eng_idle) {
dev_err_ratelimited(hdev->dev,
"Can't read via DMA because it is BUSY\n" );
rc = -EAGAIN;
goto out;
}
}
cfg1 = RREG32(mmDMA0_QM_GLBL_CFG1 + qm_offset);
WREG32(mmDMA0_QM_GLBL_CFG1 + qm_offset,
0xF << DMA0_QM_GLBL_CFG1_CP_STOP_SHIFT);
/* TODO: remove this by mapping the DMA temporary buffer to the MMU
* using the compute ctx ASID, if exists. If not, use the kernel ctx
* ASID
*/
WREG32_OR(mmDMA0_CORE_PROT + dma_offset, BIT(DMA0_CORE_PROT_VAL_SHIFT));
/* Verify DMA is OK */
err_cause = RREG32(mmDMA0_CORE_ERR_CAUSE + dma_offset);
if (err_cause) {
dev_dbg(hdev->dev,
"Clearing DMA0 engine from errors (cause 0x%x)\n" ,
err_cause);
WREG32(mmDMA0_CORE_ERR_CAUSE + dma_offset, err_cause);
}
pos = 0;
size_left = size;
size_to_dma = SZ_2M;
while (size_left > 0) {
if (size_left < SZ_2M)
size_to_dma = size_left;
rc = gaudi_dma_core_transfer(hdev, dma_id, addr, size_to_dma,
dma_addr);
if (rc)
break ;
memcpy(blob_addr + pos, kernel_addr, size_to_dma);
if (size_left <= SZ_2M)
break ;
pos += SZ_2M;
addr += SZ_2M;
size_left -= SZ_2M;
}
/* TODO: remove this by mapping the DMA temporary buffer to the MMU
* using the compute ctx ASID, if exists. If not, use the kernel ctx
* ASID
*/
WREG32_AND(mmDMA0_CORE_PROT + dma_offset,
~BIT(DMA0_CORE_PROT_VAL_SHIFT));
WREG32(mmDMA0_QM_GLBL_CFG1 + qm_offset, cfg1);
out:
hdev->asic_funcs->hw_queues_unlock(hdev);
hl_asic_dma_free_coherent(hdev, SZ_2M, kernel_addr, dma_addr);
return rc;
}
static u64 gaudi_read_pte(struct hl_device *hdev, u64 addr)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (hdev->reset_info.hard_reset_pending)
return U64_MAX;
return readq(hdev->pcie_bar[HBM_BAR_ID] +
(addr - gaudi->hbm_bar_cur_addr));
}
static void gaudi_write_pte(struct hl_device *hdev, u64 addr, u64 val)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (hdev->reset_info.hard_reset_pending)
return ;
writeq(val, hdev->pcie_bar[HBM_BAR_ID] +
(addr - gaudi->hbm_bar_cur_addr));
}
void gaudi_mmu_prepare_reg(struct hl_device *hdev, u64 reg, u32 asid)
{
/* mask to zero the MMBP and ASID bits */
WREG32_AND(reg, ~0x7FF);
WREG32_OR(reg, asid);
}
static void gaudi_mmu_prepare(struct hl_device *hdev, u32 asid)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_MMU))
return ;
if (asid & ~DMA0_QM_GLBL_NON_SECURE_PROPS_0_ASID_MASK) {
dev_crit(hdev->dev, "asid %u is too big\n" , asid);
return ;
}
gaudi_mmu_prepare_reg(hdev, mmDMA0_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA0_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA0_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA0_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA0_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA1_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA1_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA1_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA1_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA1_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA2_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA2_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA2_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA2_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA2_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA3_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA3_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA3_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA3_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA3_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA4_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA4_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA4_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA4_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA4_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA5_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA5_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA5_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA5_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA5_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA6_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA6_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA6_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA6_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA6_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA7_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA7_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA7_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA7_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA7_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA0_CORE_NON_SECURE_PROPS, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA1_CORE_NON_SECURE_PROPS, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA2_CORE_NON_SECURE_PROPS, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA3_CORE_NON_SECURE_PROPS, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA4_CORE_NON_SECURE_PROPS, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA5_CORE_NON_SECURE_PROPS, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA6_CORE_NON_SECURE_PROPS, asid);
gaudi_mmu_prepare_reg(hdev, mmDMA7_CORE_NON_SECURE_PROPS, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC0_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC0_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC0_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC0_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC0_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC0_CFG_ARUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC0_CFG_AWUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC1_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC1_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC1_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC1_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC1_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC1_CFG_ARUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC1_CFG_AWUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC2_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC2_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC2_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC2_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC2_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC2_CFG_ARUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC2_CFG_AWUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC3_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC3_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC3_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC3_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC3_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC3_CFG_ARUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC3_CFG_AWUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC4_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC4_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC4_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC4_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC4_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC4_CFG_ARUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC4_CFG_AWUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC5_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC5_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC5_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC5_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC5_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC5_CFG_ARUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC5_CFG_AWUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC6_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC6_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC6_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC6_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC6_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC6_CFG_ARUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC6_CFG_AWUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC7_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC7_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC7_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC7_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC7_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC7_CFG_ARUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmTPC7_CFG_AWUSER_LO, asid);
gaudi_mmu_prepare_reg(hdev, mmMME0_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmMME0_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmMME0_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmMME0_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmMME0_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmMME2_QM_GLBL_NON_SECURE_PROPS_0, asid);
gaudi_mmu_prepare_reg(hdev, mmMME2_QM_GLBL_NON_SECURE_PROPS_1, asid);
gaudi_mmu_prepare_reg(hdev, mmMME2_QM_GLBL_NON_SECURE_PROPS_2, asid);
gaudi_mmu_prepare_reg(hdev, mmMME2_QM_GLBL_NON_SECURE_PROPS_3, asid);
gaudi_mmu_prepare_reg(hdev, mmMME2_QM_GLBL_NON_SECURE_PROPS_4, asid);
gaudi_mmu_prepare_reg(hdev, mmMME0_SBAB_ARUSER0, asid);
gaudi_mmu_prepare_reg(hdev, mmMME0_SBAB_ARUSER1, asid);
gaudi_mmu_prepare_reg(hdev, mmMME1_SBAB_ARUSER0, asid);
gaudi_mmu_prepare_reg(hdev, mmMME1_SBAB_ARUSER1, asid);
gaudi_mmu_prepare_reg(hdev, mmMME2_SBAB_ARUSER0, asid);
gaudi_mmu_prepare_reg(hdev, mmMME2_SBAB_ARUSER1, asid);
gaudi_mmu_prepare_reg(hdev, mmMME3_SBAB_ARUSER0, asid);
gaudi_mmu_prepare_reg(hdev, mmMME3_SBAB_ARUSER1, asid);
gaudi_mmu_prepare_reg(hdev, mmMME0_ACC_WBC, asid);
gaudi_mmu_prepare_reg(hdev, mmMME1_ACC_WBC, asid);
gaudi_mmu_prepare_reg(hdev, mmMME2_ACC_WBC, asid);
gaudi_mmu_prepare_reg(hdev, mmMME3_ACC_WBC, asid);
if (gaudi->hw_cap_initialized & HW_CAP_NIC0) {
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM0_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM0_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM0_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM0_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM0_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC1) {
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM1_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM1_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM1_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM1_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC0_QM1_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC2) {
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM0_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM0_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM0_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM0_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM0_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC3) {
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM1_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM1_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM1_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM1_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC1_QM1_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC4) {
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM0_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM0_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM0_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM0_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM0_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC5) {
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM1_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM1_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM1_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM1_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC2_QM1_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC6) {
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM0_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM0_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM0_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM0_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM0_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC7) {
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM1_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM1_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM1_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM1_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC3_QM1_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC8) {
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM0_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM0_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM0_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM0_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM0_GLBL_NON_SECURE_PROPS_4,
asid);
}
if (gaudi->hw_cap_initialized & HW_CAP_NIC9) {
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM1_GLBL_NON_SECURE_PROPS_0,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM1_GLBL_NON_SECURE_PROPS_1,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM1_GLBL_NON_SECURE_PROPS_2,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM1_GLBL_NON_SECURE_PROPS_3,
asid);
gaudi_mmu_prepare_reg(hdev, mmNIC4_QM1_GLBL_NON_SECURE_PROPS_4,
asid);
}
gaudi_mmu_prepare_reg(hdev, mmPSOC_GLOBAL_CONF_TRACE_ARUSER, asid);
gaudi_mmu_prepare_reg(hdev, mmPSOC_GLOBAL_CONF_TRACE_AWUSER, asid);
}
static int gaudi_send_job_on_qman0(struct hl_device *hdev,
struct hl_cs_job *job)
{
struct packet_msg_prot *fence_pkt;
u32 *fence_ptr;
dma_addr_t fence_dma_addr;
struct hl_cb *cb;
u32 tmp, timeout, dma_offset;
int rc;
if (hdev->pldm)
timeout = GAUDI_PLDM_QMAN0_TIMEOUT_USEC;
else
timeout = HL_DEVICE_TIMEOUT_USEC;
fence_ptr = hl_asic_dma_pool_zalloc(hdev, 4, GFP_KERNEL, &fence_dma_addr);
if (!fence_ptr) {
dev_err(hdev->dev,
"Failed to allocate fence memory for QMAN0\n" );
return -ENOMEM;
}
cb = job->patched_cb;
fence_pkt = cb->kernel_address +
job->job_cb_size - sizeof (struct packet_msg_prot);
tmp = FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_MSG_PROT);
tmp |= FIELD_PREP(GAUDI_PKT_CTL_EB_MASK, 1);
tmp |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
fence_pkt->ctl = cpu_to_le32(tmp);
fence_pkt->value = cpu_to_le32(GAUDI_QMAN0_FENCE_VAL);
fence_pkt->addr = cpu_to_le64(fence_dma_addr);
dma_offset = gaudi_dma_assignment[GAUDI_PCI_DMA_1] * DMA_CORE_OFFSET;
WREG32(mmDMA0_CORE_PROT + dma_offset,
BIT(DMA0_CORE_PROT_ERR_VAL_SHIFT) | BIT(DMA0_CORE_PROT_VAL_SHIFT));
rc = hl_hw_queue_send_cb_no_cmpl(hdev, GAUDI_QUEUE_ID_DMA_0_0,
job->job_cb_size, cb->bus_address);
if (rc) {
dev_err(hdev->dev, "Failed to send CB on QMAN0, %d\n" , rc);
goto free_fence_ptr;
}
rc = hl_poll_timeout_memory(hdev, fence_ptr, tmp,
(tmp == GAUDI_QMAN0_FENCE_VAL), 1000,
timeout, true );
hl_hw_queue_inc_ci_kernel(hdev, GAUDI_QUEUE_ID_DMA_0_0);
if (rc == -ETIMEDOUT) {
dev_err(hdev->dev, "QMAN0 Job timeout (0x%x)\n" , tmp);
goto free_fence_ptr;
}
free_fence_ptr:
WREG32(mmDMA0_CORE_PROT + dma_offset, BIT(DMA0_CORE_PROT_ERR_VAL_SHIFT));
hl_asic_dma_pool_free(hdev, (void *) fence_ptr, fence_dma_addr);
return rc;
}
static void gaudi_get_event_desc(u16 event_type, char *desc, size_t size)
{
if (event_type >= GAUDI_EVENT_SIZE)
goto event_not_supported;
if (!gaudi_irq_map_table[event_type].valid)
goto event_not_supported;
snprintf(desc, size, gaudi_irq_map_table[event_type].name);
return ;
event_not_supported:
snprintf(desc, size, "N/A" );
}
static const char *gaudi_get_razwi_initiator_dma_name(struct hl_device *hdev, u32 x_y,
bool is_write, u16 *engine_id_1,
u16 *engine_id_2)
{
u32 dma_id[2], dma_offset, err_cause[2], mask, i;
mask = is_write ? DMA0_CORE_ERR_CAUSE_HBW_WR_ERR_MASK :
DMA0_CORE_ERR_CAUSE_HBW_RD_ERR_MASK;
switch (x_y) {
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_1:
dma_id[0] = 0;
dma_id[1] = 2;
break ;
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_S_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_S_1:
dma_id[0] = 1;
dma_id[1] = 3;
break ;
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_N_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_N_1:
dma_id[0] = 4;
dma_id[1] = 6;
break ;
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_1:
dma_id[0] = 5;
dma_id[1] = 7;
break ;
default :
goto unknown_initiator;
}
for (i = 0 ; i < 2 ; i++) {
dma_offset = dma_id[i] * DMA_CORE_OFFSET;
err_cause[i] = RREG32(mmDMA0_CORE_ERR_CAUSE + dma_offset);
}
switch (x_y) {
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_1:
if ((err_cause[0] & mask) && !(err_cause[1] & mask)) {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_0;
return "DMA0" ;
} else if (!(err_cause[0] & mask) && (err_cause[1] & mask)) {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_2;
return "DMA2" ;
} else {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_0;
*engine_id_2 = GAUDI_ENGINE_ID_DMA_2;
return "DMA0 or DMA2" ;
}
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_S_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_S_1:
if ((err_cause[0] & mask) && !(err_cause[1] & mask)) {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_1;
return "DMA1" ;
} else if (!(err_cause[0] & mask) && (err_cause[1] & mask)) {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_3;
return "DMA3" ;
} else {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_1;
*engine_id_2 = GAUDI_ENGINE_ID_DMA_3;
return "DMA1 or DMA3" ;
}
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_N_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_N_1:
if ((err_cause[0] & mask) && !(err_cause[1] & mask)) {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_4;
return "DMA4" ;
} else if (!(err_cause[0] & mask) && (err_cause[1] & mask)) {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_6;
return "DMA6" ;
} else {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_4;
*engine_id_2 = GAUDI_ENGINE_ID_DMA_6;
return "DMA4 or DMA6" ;
}
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_1:
if ((err_cause[0] & mask) && !(err_cause[1] & mask)) {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_5;
return "DMA5" ;
} else if (!(err_cause[0] & mask) && (err_cause[1] & mask)) {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_7;
return "DMA7" ;
} else {
*engine_id_1 = GAUDI_ENGINE_ID_DMA_5;
*engine_id_2 = GAUDI_ENGINE_ID_DMA_7;
return "DMA5 or DMA7" ;
}
}
unknown_initiator:
return "unknown initiator" ;
}
static const char *gaudi_get_razwi_initiator_name(struct hl_device *hdev, bool is_write,
u16 *engine_id_1, u16 *engine_id_2)
{
u32 val, x_y, axi_id;
val = is_write ? RREG32(mmMMU_UP_RAZWI_WRITE_ID) :
RREG32(mmMMU_UP_RAZWI_READ_ID);
x_y = val & ((RAZWI_INITIATOR_Y_MASK << RAZWI_INITIATOR_Y_SHIFT) |
(RAZWI_INITIATOR_X_MASK << RAZWI_INITIATOR_X_SHIFT));
axi_id = val & (RAZWI_INITIATOR_AXI_ID_MASK <<
RAZWI_INITIATOR_AXI_ID_SHIFT);
switch (x_y) {
case RAZWI_INITIATOR_ID_X_Y_TPC0_NIC0:
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_TPC)) {
*engine_id_1 = GAUDI_ENGINE_ID_TPC_0;
return "TPC0" ;
}
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_NIC)) {
*engine_id_1 = GAUDI_ENGINE_ID_NIC_0;
return "NIC0" ;
}
break ;
case RAZWI_INITIATOR_ID_X_Y_TPC1:
*engine_id_1 = GAUDI_ENGINE_ID_TPC_1;
return "TPC1" ;
case RAZWI_INITIATOR_ID_X_Y_MME0_0:
case RAZWI_INITIATOR_ID_X_Y_MME0_1:
*engine_id_1 = GAUDI_ENGINE_ID_MME_0;
return "MME0" ;
case RAZWI_INITIATOR_ID_X_Y_MME1_0:
case RAZWI_INITIATOR_ID_X_Y_MME1_1:
*engine_id_1 = GAUDI_ENGINE_ID_MME_1;
return "MME1" ;
case RAZWI_INITIATOR_ID_X_Y_TPC2:
*engine_id_1 = GAUDI_ENGINE_ID_TPC_2;
return "TPC2" ;
case RAZWI_INITIATOR_ID_X_Y_TPC3_PCI_CPU_PSOC:
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_TPC)) {
*engine_id_1 = GAUDI_ENGINE_ID_TPC_3;
return "TPC3" ;
}
/* PCI, CPU or PSOC does not have engine id*/
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_PCI))
return "PCI" ;
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_CPU))
return "CPU" ;
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_PSOC))
return "PSOC" ;
break ;
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_1:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_S_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_S_1:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_N_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_N_1:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_0:
case RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_1:
return gaudi_get_razwi_initiator_dma_name(hdev, x_y, is_write,
engine_id_1, engine_id_2);
case RAZWI_INITIATOR_ID_X_Y_TPC4_NIC1_NIC2:
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_TPC)) {
*engine_id_1 = GAUDI_ENGINE_ID_TPC_4;
return "TPC4" ;
}
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_NIC)) {
*engine_id_1 = GAUDI_ENGINE_ID_NIC_1;
return "NIC1" ;
}
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_NIC_FT)) {
*engine_id_1 = GAUDI_ENGINE_ID_NIC_2;
return "NIC2" ;
}
break ;
case RAZWI_INITIATOR_ID_X_Y_TPC5:
*engine_id_1 = GAUDI_ENGINE_ID_TPC_5;
return "TPC5" ;
case RAZWI_INITIATOR_ID_X_Y_MME2_0:
case RAZWI_INITIATOR_ID_X_Y_MME2_1:
*engine_id_1 = GAUDI_ENGINE_ID_MME_2;
return "MME2" ;
case RAZWI_INITIATOR_ID_X_Y_MME3_0:
case RAZWI_INITIATOR_ID_X_Y_MME3_1:
*engine_id_1 = GAUDI_ENGINE_ID_MME_3;
return "MME3" ;
case RAZWI_INITIATOR_ID_X_Y_TPC6:
*engine_id_1 = GAUDI_ENGINE_ID_TPC_6;
return "TPC6" ;
case RAZWI_INITIATOR_ID_X_Y_TPC7_NIC4_NIC5:
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_TPC)) {
*engine_id_1 = GAUDI_ENGINE_ID_TPC_7;
return "TPC7" ;
}
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_NIC)) {
*engine_id_1 = GAUDI_ENGINE_ID_NIC_4;
return "NIC4" ;
}
if (axi_id == RAZWI_INITIATOR_ID_AXI_ID(AXI_ID_NIC_FT)) {
*engine_id_1 = GAUDI_ENGINE_ID_NIC_5;
return "NIC5" ;
}
break ;
default :
break ;
}
dev_err(hdev->dev,
"Unknown RAZWI initiator ID 0x%x [Y=%d, X=%d, AXI_ID=%d]\n" ,
val,
(val >> RAZWI_INITIATOR_Y_SHIFT) & RAZWI_INITIATOR_Y_MASK,
(val >> RAZWI_INITIATOR_X_SHIFT) & RAZWI_INITIATOR_X_MASK,
(val >> RAZWI_INITIATOR_AXI_ID_SHIFT) &
RAZWI_INITIATOR_AXI_ID_MASK);
return "unknown initiator" ;
}
static void gaudi_print_and_get_razwi_info(struct hl_device *hdev, u16 *engine_id_1,
u16 *engine_id_2, bool *is_read, bool *is_write)
{
if (RREG32(mmMMU_UP_RAZWI_WRITE_VLD)) {
dev_err_ratelimited(hdev->dev,
"RAZWI event caused by illegal write of %s\n" ,
gaudi_get_razwi_initiator_name(hdev, true , engine_id_1, engine_id_2));
WREG32(mmMMU_UP_RAZWI_WRITE_VLD, 0);
*is_write = true ;
}
if (RREG32(mmMMU_UP_RAZWI_READ_VLD)) {
dev_err_ratelimited(hdev->dev,
"RAZWI event caused by illegal read of %s\n" ,
gaudi_get_razwi_initiator_name(hdev, false , engine_id_1, engine_id_2));
WREG32(mmMMU_UP_RAZWI_READ_VLD, 0);
*is_read = true ;
}
}
static void gaudi_print_and_get_mmu_error_info(struct hl_device *hdev, u64 *addr, u64 *event_mask)
{
struct gaudi_device *gaudi = hdev->asic_specific;
u32 val;
if (!(gaudi->hw_cap_initialized & HW_CAP_MMU))
return ;
val = RREG32(mmMMU_UP_PAGE_ERROR_CAPTURE);
if (val & MMU_UP_PAGE_ERROR_CAPTURE_ENTRY_VALID_MASK) {
*addr = val & MMU_UP_PAGE_ERROR_CAPTURE_VA_49_32_MASK;
*addr <<= 32;
*addr |= RREG32(mmMMU_UP_PAGE_ERROR_CAPTURE_VA);
dev_err_ratelimited(hdev->dev, "MMU page fault on va 0x%llx\n" , *addr);
hl_handle_page_fault(hdev, *addr, 0, true , event_mask);
WREG32(mmMMU_UP_PAGE_ERROR_CAPTURE, 0);
}
val = RREG32(mmMMU_UP_ACCESS_ERROR_CAPTURE);
if (val & MMU_UP_ACCESS_ERROR_CAPTURE_ENTRY_VALID_MASK) {
*addr = val & MMU_UP_ACCESS_ERROR_CAPTURE_VA_49_32_MASK;
*addr <<= 32;
*addr |= RREG32(mmMMU_UP_ACCESS_ERROR_CAPTURE_VA);
dev_err_ratelimited(hdev->dev, "MMU access error on va 0x%llx\n" , *addr);
WREG32(mmMMU_UP_ACCESS_ERROR_CAPTURE, 0);
}
}
/*
* +-------------------+------------------------------------------------------+
* | Configuration Reg | Description |
* | Address | |
* +-------------------+------------------------------------------------------+
* | 0xF30 - 0xF3F |ECC single error indication (1 bit per memory wrapper)|
* | |0xF30 memory wrappers 31:0 (MSB to LSB) |
* | |0xF34 memory wrappers 63:32 |
* | |0xF38 memory wrappers 95:64 |
* | |0xF3C memory wrappers 127:96 |
* +-------------------+------------------------------------------------------+
* | 0xF40 - 0xF4F |ECC double error indication (1 bit per memory wrapper)|
* | |0xF40 memory wrappers 31:0 (MSB to LSB) |
* | |0xF44 memory wrappers 63:32 |
* | |0xF48 memory wrappers 95:64 |
* | |0xF4C memory wrappers 127:96 |
* +-------------------+------------------------------------------------------+
*/
static int gaudi_extract_ecc_info(struct hl_device *hdev,
struct ecc_info_extract_params *params, u64 *ecc_address,
u64 *ecc_syndrom, u8 *memory_wrapper_idx)
{
u32 i, num_mem_regs, reg, err_bit;
u64 err_addr, err_word = 0;
num_mem_regs = params->num_memories / 32 +
((params->num_memories % 32) ? 1 : 0);
if (params->block_address >= CFG_BASE)
params->block_address -= CFG_BASE;
if (params->derr)
err_addr = params->block_address + GAUDI_ECC_DERR0_OFFSET;
else
err_addr = params->block_address + GAUDI_ECC_SERR0_OFFSET;
/* Set invalid wrapper index */
*memory_wrapper_idx = 0xFF;
/* Iterate through memory wrappers, a single bit must be set */
for (i = 0 ; i < num_mem_regs ; i++) {
err_addr += i * 4;
err_word = RREG32(err_addr);
if (err_word) {
err_bit = __ffs(err_word);
*memory_wrapper_idx = err_bit + (32 * i);
break ;
}
}
if (*memory_wrapper_idx == 0xFF) {
dev_err(hdev->dev, "ECC error information cannot be found\n" );
return -EINVAL;
}
WREG32(params->block_address + GAUDI_ECC_MEM_SEL_OFFSET,
*memory_wrapper_idx);
*ecc_address =
RREG32(params->block_address + GAUDI_ECC_ADDRESS_OFFSET);
*ecc_syndrom =
RREG32(params->block_address + GAUDI_ECC_SYNDROME_OFFSET);
/* Clear error indication */
reg = RREG32(params->block_address + GAUDI_ECC_MEM_INFO_CLR_OFFSET);
if (params->derr)
reg |= FIELD_PREP(GAUDI_ECC_MEM_INFO_CLR_DERR_MASK, 1);
else
reg |= FIELD_PREP(GAUDI_ECC_MEM_INFO_CLR_SERR_MASK, 1);
WREG32(params->block_address + GAUDI_ECC_MEM_INFO_CLR_OFFSET, reg);
return 0;
}
/*
* gaudi_queue_idx_dec - decrement queue index (pi/ci) and handle wrap
*
* @idx: the current pi/ci value
* @q_len: the queue length (power of 2)
*
* @return the cyclically decremented index
*/
static inline u32 gaudi_queue_idx_dec(u32 idx, u32 q_len)
{
u32 mask = q_len - 1;
/*
* modular decrement is equivalent to adding (queue_size -1)
* later we take LSBs to make sure the value is in the
* range [0, queue_len - 1]
*/
return (idx + q_len - 1) & mask;
}
/**
* gaudi_handle_sw_config_stream_data - print SW config stream data
*
* @hdev: pointer to the habanalabs device structure
* @stream: the QMAN's stream
* @qman_base: base address of QMAN registers block
* @event_mask: mask of the last events occurred
*/
static void gaudi_handle_sw_config_stream_data(struct hl_device *hdev, u32 stream,
u64 qman_base, u64 event_mask)
{
u64 cq_ptr_lo, cq_ptr_hi, cq_tsize, cq_ptr;
u32 cq_ptr_lo_off, size;
cq_ptr_lo_off = mmTPC0_QM_CQ_PTR_LO_1 - mmTPC0_QM_CQ_PTR_LO_0;
cq_ptr_lo = qman_base + (mmTPC0_QM_CQ_PTR_LO_0 - mmTPC0_QM_BASE) +
stream * cq_ptr_lo_off;
cq_ptr_hi = cq_ptr_lo +
(mmTPC0_QM_CQ_PTR_HI_0 - mmTPC0_QM_CQ_PTR_LO_0);
cq_tsize = cq_ptr_lo +
(mmTPC0_QM_CQ_TSIZE_0 - mmTPC0_QM_CQ_PTR_LO_0);
cq_ptr = (((u64) RREG32(cq_ptr_hi)) << 32) | RREG32(cq_ptr_lo);
size = RREG32(cq_tsize);
dev_info(hdev->dev, "stop on err: stream: %u, addr: %#llx, size: %u\n" ,
stream, cq_ptr, size);
if (event_mask & HL_NOTIFIER_EVENT_UNDEFINED_OPCODE) {
hdev->captured_err_info.undef_opcode.cq_addr = cq_ptr;
hdev->captured_err_info.undef_opcode.cq_size = size;
hdev->captured_err_info.undef_opcode.stream_id = stream;
}
}
/**
* gaudi_handle_last_pqes_on_err - print last PQEs on error
*
* @hdev: pointer to the habanalabs device structure
* @qid_base: first QID of the QMAN (out of 4 streams)
* @stream: the QMAN's stream
* @qman_base: base address of QMAN registers block
* @event_mask: mask of the last events occurred
* @pr_sw_conf: if true print the SW config stream data (CQ PTR and SIZE)
*/
static void gaudi_handle_last_pqes_on_err(struct hl_device *hdev, u32 qid_base,
u32 stream, u64 qman_base,
u64 event_mask,
bool pr_sw_conf)
{
u32 ci, qm_ci_stream_off, queue_len;
struct hl_hw_queue *q;
u64 pq_ci, addr[PQ_FETCHER_CACHE_SIZE];
int i;
q = &hdev->kernel_queues[qid_base + stream];
qm_ci_stream_off = mmTPC0_QM_PQ_CI_1 - mmTPC0_QM_PQ_CI_0;
pq_ci = qman_base + (mmTPC0_QM_PQ_CI_0 - mmTPC0_QM_BASE) +
stream * qm_ci_stream_off;
queue_len = (q->queue_type == QUEUE_TYPE_INT) ?
q->int_queue_len : HL_QUEUE_LENGTH;
hdev->asic_funcs->hw_queues_lock(hdev);
if (pr_sw_conf)
gaudi_handle_sw_config_stream_data(hdev, stream, qman_base, event_mask);
ci = RREG32(pq_ci);
/* we should start printing form ci -1 */
ci = gaudi_queue_idx_dec(ci, queue_len);
memset(addr, 0, sizeof (addr));
for (i = 0; i < PQ_FETCHER_CACHE_SIZE; i++) {
struct hl_bd *bd;
u32 len;
bd = q->kernel_address;
bd += ci;
len = le32_to_cpu(bd->len);
/* len 0 means uninitialized entry- break */
if (!len)
break ;
addr[i] = le64_to_cpu(bd->ptr);
dev_info(hdev->dev, "stop on err PQE(stream %u): ci: %u, addr: %#llx, size: %u\n" ,
stream, ci, addr[i], len);
/* get previous ci, wrap if needed */
ci = gaudi_queue_idx_dec(ci, queue_len);
}
if (event_mask & HL_NOTIFIER_EVENT_UNDEFINED_OPCODE) {
struct undefined_opcode_info *undef_opcode = &hdev->captured_err_info.undef_opcode;
u32 arr_idx = undef_opcode->cb_addr_streams_len;
if (arr_idx == 0) {
undef_opcode->timestamp = ktime_get();
undef_opcode->engine_id = gaudi_queue_id_to_engine_id[qid_base];
}
memcpy(undef_opcode->cb_addr_streams[arr_idx], addr, sizeof (addr));
undef_opcode->cb_addr_streams_len++;
}
hdev->asic_funcs->hw_queues_unlock(hdev);
}
/**
* handle_qman_data_on_err - extract QMAN data on error
*
* @hdev: pointer to the habanalabs device structure
* @qid_base: first QID of the QMAN (out of 4 streams)
* @stream: the QMAN's stream
* @qman_base: base address of QMAN registers block
* @event_mask: mask of the last events occurred
*
* This function attempt to exatract as much data as possible on QMAN error.
* On upper CP print the SW config stream data and last 8 PQEs.
* On lower CP print SW config data and last PQEs of ALL 4 upper CPs
*/
static void handle_qman_data_on_err(struct hl_device *hdev, u32 qid_base,
u32 stream, u64 qman_base, u64 event_mask)
{
u32 i;
if (stream != QMAN_STREAMS) {
gaudi_handle_last_pqes_on_err(hdev, qid_base, stream,
qman_base, event_mask, true );
return ;
}
/* handle Lower-CP */
gaudi_handle_sw_config_stream_data(hdev, stream, qman_base, event_mask);
for (i = 0; i < QMAN_STREAMS; i++)
gaudi_handle_last_pqes_on_err(hdev, qid_base, i,
qman_base, event_mask, false );
}
static void gaudi_handle_qman_err_generic(struct hl_device *hdev,
const char *qm_name,
u64 qman_base,
u32 qid_base,
u64 *event_mask)
{
u32 i, j, glbl_sts_val, arb_err_val, glbl_sts_clr_val;
u64 glbl_sts_addr, arb_err_addr;
char reg_desc[32];
glbl_sts_addr = qman_base + (mmTPC0_QM_GLBL_STS1_0 - mmTPC0_QM_BASE);
arb_err_addr = qman_base + (mmTPC0_QM_ARB_ERR_CAUSE - mmTPC0_QM_BASE);
/* Iterate through all stream GLBL_STS1 registers + Lower CP */
for (i = 0 ; i < QMAN_STREAMS + 1 ; i++) {
glbl_sts_clr_val = 0;
glbl_sts_val = RREG32(glbl_sts_addr + 4 * i);
if (!glbl_sts_val)
continue ;
if (i == QMAN_STREAMS)
snprintf(reg_desc, ARRAY_SIZE(reg_desc), "LowerCP" );
else
snprintf(reg_desc, ARRAY_SIZE(reg_desc), "stream%u" , i);
for (j = 0 ; j < GAUDI_NUM_OF_QM_ERR_CAUSE ; j++) {
if (glbl_sts_val & BIT(j)) {
dev_err_ratelimited(hdev->dev,
"%s %s. err cause: %s\n" ,
qm_name, reg_desc,
gaudi_qman_error_cause[j]);
glbl_sts_clr_val |= BIT(j);
}
}
/* check for undefined opcode */
if (glbl_sts_val & TPC0_QM_GLBL_STS1_CP_UNDEF_CMD_ERR_MASK &&
hdev->captured_err_info.undef_opcode.write_enable) {
memset(&hdev->captured_err_info.undef_opcode, 0,
sizeof (hdev->captured_err_info.undef_opcode));
hdev->captured_err_info.undef_opcode.write_enable = false ;
*event_mask |= HL_NOTIFIER_EVENT_UNDEFINED_OPCODE;
}
/* Write 1 clear errors */
if (!hdev->stop_on_err)
WREG32(glbl_sts_addr + 4 * i, glbl_sts_clr_val);
else
handle_qman_data_on_err(hdev, qid_base, i, qman_base, *event_mask);
}
arb_err_val = RREG32(arb_err_addr);
if (!arb_err_val)
return ;
for (j = 0 ; j < GAUDI_NUM_OF_QM_ARB_ERR_CAUSE ; j++) {
if (arb_err_val & BIT(j)) {
dev_err_ratelimited(hdev->dev,
"%s ARB_ERR. err cause: %s\n" ,
qm_name,
gaudi_qman_arb_error_cause[j]);
}
}
}
static void gaudi_print_sm_sei_info(struct hl_device *hdev, u16 event_type,
struct hl_eq_sm_sei_data *sei_data)
{
u32 index = event_type - GAUDI_EVENT_DMA_IF_SEI_0;
/* Flip the bits as the enum is ordered in the opposite way */
index = (index ^ 0x3) & 0x3;
switch (sei_data->sei_cause) {
case SM_SEI_SO_OVERFLOW:
dev_err_ratelimited(hdev->dev,
"%s SEI Error: SOB Group %u overflow/underflow" ,
gaudi_sync_manager_names[index],
le32_to_cpu(sei_data->sei_log));
break ;
case SM_SEI_LBW_4B_UNALIGNED:
dev_err_ratelimited(hdev->dev,
"%s SEI Error: Unaligned 4B LBW access, monitor agent address low - %#x" ,
gaudi_sync_manager_names[index],
le32_to_cpu(sei_data->sei_log));
break ;
case SM_SEI_AXI_RESPONSE_ERR:
dev_err_ratelimited(hdev->dev,
"%s SEI Error: AXI ID %u response error" ,
gaudi_sync_manager_names[index],
le32_to_cpu(sei_data->sei_log));
break ;
default :
dev_err_ratelimited(hdev->dev, "Unknown SM SEI cause %u" ,
le32_to_cpu(sei_data->sei_log));
break ;
}
}
static void gaudi_handle_ecc_event(struct hl_device *hdev, u16 event_type,
struct hl_eq_ecc_data *ecc_data)
{
struct ecc_info_extract_params params;
u64 ecc_address = 0, ecc_syndrom = 0;
u8 index, memory_wrapper_idx = 0;
bool extract_info_from_fw;
int rc;
if (hdev->asic_prop.fw_security_enabled) {
extract_info_from_fw = true ;
goto extract_ecc_info;
}
switch (event_type) {
case GAUDI_EVENT_PCIE_CORE_SERR ... GAUDI_EVENT_PCIE_PHY_DERR:
case GAUDI_EVENT_DMA0_SERR_ECC ... GAUDI_EVENT_MMU_DERR:
extract_info_from_fw = true ;
break ;
case GAUDI_EVENT_TPC0_SERR ... GAUDI_EVENT_TPC7_SERR:
index = event_type - GAUDI_EVENT_TPC0_SERR;
params.block_address = mmTPC0_CFG_BASE + index * TPC_CFG_OFFSET;
params.num_memories = 90;
params.derr = false ;
extract_info_from_fw = false ;
break ;
case GAUDI_EVENT_TPC0_DERR ... GAUDI_EVENT_TPC7_DERR:
index = event_type - GAUDI_EVENT_TPC0_DERR;
params.block_address =
mmTPC0_CFG_BASE + index * TPC_CFG_OFFSET;
params.num_memories = 90;
params.derr = true ;
extract_info_from_fw = false ;
break ;
case GAUDI_EVENT_MME0_ACC_SERR:
case GAUDI_EVENT_MME1_ACC_SERR:
case GAUDI_EVENT_MME2_ACC_SERR:
case GAUDI_EVENT_MME3_ACC_SERR:
index = (event_type - GAUDI_EVENT_MME0_ACC_SERR) / 4;
params.block_address = mmMME0_ACC_BASE + index * MME_ACC_OFFSET;
params.num_memories = 128;
params.derr = false ;
extract_info_from_fw = false ;
break ;
case GAUDI_EVENT_MME0_ACC_DERR:
case GAUDI_EVENT_MME1_ACC_DERR:
case GAUDI_EVENT_MME2_ACC_DERR:
case GAUDI_EVENT_MME3_ACC_DERR:
index = (event_type - GAUDI_EVENT_MME0_ACC_DERR) / 4;
params.block_address = mmMME0_ACC_BASE + index * MME_ACC_OFFSET;
params.num_memories = 128;
params.derr = true ;
extract_info_from_fw = false ;
break ;
case GAUDI_EVENT_MME0_SBAB_SERR:
case GAUDI_EVENT_MME1_SBAB_SERR:
case GAUDI_EVENT_MME2_SBAB_SERR:
case GAUDI_EVENT_MME3_SBAB_SERR:
index = (event_type - GAUDI_EVENT_MME0_SBAB_SERR) / 4;
params.block_address =
mmMME0_SBAB_BASE + index * MME_ACC_OFFSET;
params.num_memories = 33;
params.derr = false ;
extract_info_from_fw = false ;
break ;
case GAUDI_EVENT_MME0_SBAB_DERR:
case GAUDI_EVENT_MME1_SBAB_DERR:
case GAUDI_EVENT_MME2_SBAB_DERR:
case GAUDI_EVENT_MME3_SBAB_DERR:
index = (event_type - GAUDI_EVENT_MME0_SBAB_DERR) / 4;
params.block_address =
mmMME0_SBAB_BASE + index * MME_ACC_OFFSET;
params.num_memories = 33;
params.derr = true ;
extract_info_from_fw = false ;
break ;
default :
return ;
}
extract_ecc_info:
if (extract_info_from_fw) {
ecc_address = le64_to_cpu(ecc_data->ecc_address);
ecc_syndrom = le64_to_cpu(ecc_data->ecc_syndrom);
memory_wrapper_idx = ecc_data->memory_wrapper_idx;
} else {
rc = gaudi_extract_ecc_info(hdev, ¶ms, &ecc_address,
&ecc_syndrom, &memory_wrapper_idx);
if (rc)
return ;
}
dev_err(hdev->dev,
"ECC error detected. address: %#llx. Syndrom: %#llx. block id %u\n" ,
ecc_address, ecc_syndrom, memory_wrapper_idx);
}
static void gaudi_handle_qman_err(struct hl_device *hdev, u16 event_type, u64 *event_mask)
{
u64 qman_base;
char desc[32];
u32 qid_base;
u8 index;
switch (event_type) {
case GAUDI_EVENT_TPC0_QM ... GAUDI_EVENT_TPC7_QM:
index = event_type - GAUDI_EVENT_TPC0_QM;
qid_base = GAUDI_QUEUE_ID_TPC_0_0 + index * QMAN_STREAMS;
qman_base = mmTPC0_QM_BASE + index * TPC_QMAN_OFFSET;
snprintf(desc, ARRAY_SIZE(desc), "%s%d" , "TPC_QM" , index);
break ;
case GAUDI_EVENT_MME0_QM ... GAUDI_EVENT_MME2_QM:
if (event_type == GAUDI_EVENT_MME0_QM) {
index = 0;
qid_base = GAUDI_QUEUE_ID_MME_0_0;
} else { /* event_type == GAUDI_EVENT_MME2_QM */
index = 2;
qid_base = GAUDI_QUEUE_ID_MME_1_0;
}
qman_base = mmMME0_QM_BASE + index * MME_QMAN_OFFSET;
snprintf(desc, ARRAY_SIZE(desc), "%s%d" , "MME_QM" , index);
break ;
case GAUDI_EVENT_DMA0_QM ... GAUDI_EVENT_DMA7_QM:
index = event_type - GAUDI_EVENT_DMA0_QM;
qid_base = GAUDI_QUEUE_ID_DMA_0_0 + index * QMAN_STREAMS;
/* skip GAUDI_QUEUE_ID_CPU_PQ if necessary */
if (index > 1)
qid_base++;
qman_base = mmDMA0_QM_BASE + index * DMA_QMAN_OFFSET;
snprintf(desc, ARRAY_SIZE(desc), "%s%d" , "DMA_QM" , index);
break ;
case GAUDI_EVENT_NIC0_QM0:
qid_base = GAUDI_QUEUE_ID_NIC_0_0;
qman_base = mmNIC0_QM0_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC0_QM0" );
break ;
case GAUDI_EVENT_NIC0_QM1:
qid_base = GAUDI_QUEUE_ID_NIC_1_0;
qman_base = mmNIC0_QM1_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC0_QM1" );
break ;
case GAUDI_EVENT_NIC1_QM0:
qid_base = GAUDI_QUEUE_ID_NIC_2_0;
qman_base = mmNIC1_QM0_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC1_QM0" );
break ;
case GAUDI_EVENT_NIC1_QM1:
qid_base = GAUDI_QUEUE_ID_NIC_3_0;
qman_base = mmNIC1_QM1_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC1_QM1" );
break ;
case GAUDI_EVENT_NIC2_QM0:
qid_base = GAUDI_QUEUE_ID_NIC_4_0;
qman_base = mmNIC2_QM0_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC2_QM0" );
break ;
case GAUDI_EVENT_NIC2_QM1:
qid_base = GAUDI_QUEUE_ID_NIC_5_0;
qman_base = mmNIC2_QM1_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC2_QM1" );
break ;
case GAUDI_EVENT_NIC3_QM0:
qid_base = GAUDI_QUEUE_ID_NIC_6_0;
qman_base = mmNIC3_QM0_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC3_QM0" );
break ;
case GAUDI_EVENT_NIC3_QM1:
qid_base = GAUDI_QUEUE_ID_NIC_7_0;
qman_base = mmNIC3_QM1_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC3_QM1" );
break ;
case GAUDI_EVENT_NIC4_QM0:
qid_base = GAUDI_QUEUE_ID_NIC_8_0;
qman_base = mmNIC4_QM0_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC4_QM0" );
break ;
case GAUDI_EVENT_NIC4_QM1:
qid_base = GAUDI_QUEUE_ID_NIC_9_0;
qman_base = mmNIC4_QM1_BASE;
snprintf(desc, ARRAY_SIZE(desc), "NIC4_QM1" );
break ;
default :
return ;
}
gaudi_handle_qman_err_generic(hdev, desc, qman_base, qid_base, event_mask);
}
static void gaudi_print_irq_info(struct hl_device *hdev, u16 event_type,
bool check_razwi, u64 *event_mask)
{
bool is_read = false , is_write = false ;
u16 engine_id[2], num_of_razwi_eng = 0;
char desc[64] = "" ;
u64 razwi_addr = 0;
u8 razwi_flags = 0;
/*
* Init engine id by default as not valid and only if razwi initiated from engine with
* engine id it will get valid value.
*/
engine_id[0] = HL_RAZWI_NA_ENG_ID;
engine_id[1] = HL_RAZWI_NA_ENG_ID;
gaudi_get_event_desc(event_type, desc, sizeof (desc));
dev_err_ratelimited(hdev->dev, "Received H/W interrupt %d [\" %s\"]\n" ,
event_type, desc);
if (check_razwi) {
gaudi_print_and_get_razwi_info(hdev, &engine_id[0], &engine_id[1], &is_read,
&is_write);
gaudi_print_and_get_mmu_error_info(hdev, &razwi_addr, event_mask);
if (is_read)
razwi_flags |= HL_RAZWI_READ;
if (is_write)
razwi_flags |= HL_RAZWI_WRITE;
if (engine_id[0] != HL_RAZWI_NA_ENG_ID) {
if (engine_id[1] != HL_RAZWI_NA_ENG_ID)
num_of_razwi_eng = 2;
else
num_of_razwi_eng = 1;
}
if (razwi_flags)
hl_handle_razwi(hdev, razwi_addr, engine_id, num_of_razwi_eng,
razwi_flags, event_mask);
}
}
static void gaudi_print_out_of_sync_info(struct hl_device *hdev,
struct cpucp_pkt_sync_err *sync_err)
{
struct hl_hw_queue *q = &hdev->kernel_queues[GAUDI_QUEUE_ID_CPU_PQ];
dev_err(hdev->dev, "Out of sync with FW, FW: pi=%u, ci=%u, LKD: pi=%u, ci=%d\n" ,
le32_to_cpu(sync_err->pi), le32_to_cpu(sync_err->ci), q->pi, atomic_read(&q->ci));
}
static void gaudi_print_fw_alive_info(struct hl_device *hdev,
struct hl_eq_fw_alive *fw_alive)
{
dev_err(hdev->dev,
"FW alive report: severity=%s, process_id=%u, thread_id=%u, uptime=%llu seconds\n" ,
(fw_alive->severity == FW_ALIVE_SEVERITY_MINOR) ? "Minor" : "Critical" ,
le32_to_cpu(fw_alive->process_id),
le32_to_cpu(fw_alive->thread_id),
le64_to_cpu(fw_alive->uptime_seconds));
}
static void gaudi_print_nic_axi_irq_info(struct hl_device *hdev, u16 event_type,
void *data)
{
char desc[64] = "" , *type;
struct eq_nic_sei_event *eq_nic_sei = data;
u16 nic_id = event_type - GAUDI_EVENT_NIC_SEI_0;
switch (eq_nic_sei->axi_error_cause) {
case RXB:
type = "RXB" ;
break ;
case RXE:
type = "RXE" ;
break ;
case TXS:
type = "TXS" ;
break ;
case TXE:
type = "TXE" ;
break ;
case QPC_RESP:
type = "QPC_RESP" ;
break ;
case NON_AXI_ERR:
type = "NON_AXI_ERR" ;
break ;
case TMR:
type = "TMR" ;
break ;
default :
dev_err(hdev->dev, "unknown NIC AXI cause %d\n" ,
eq_nic_sei->axi_error_cause);
type = "N/A" ;
break ;
}
snprintf(desc, sizeof (desc), "NIC%d_%s%d" , nic_id, type,
eq_nic_sei->id);
dev_err_ratelimited(hdev->dev, "Received H/W interrupt %d [\" %s\"]\n" ,
event_type, desc);
}
static int gaudi_compute_reset_late_init(struct hl_device *hdev)
{
/* GAUDI doesn't support any reset except hard-reset */
return -EPERM;
}
static int gaudi_hbm_read_interrupts(struct hl_device *hdev, int device,
struct hl_eq_hbm_ecc_data *hbm_ecc_data)
{
u32 base, val, val2, wr_par, rd_par, ca_par, derr, serr, type, ch;
int rc = 0;
if (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 &
CPU_BOOT_DEV_STS0_HBM_ECC_EN) {
if (!hbm_ecc_data) {
dev_err(hdev->dev, "No FW ECC data" );
return 0;
}
wr_par = FIELD_GET(CPUCP_PKT_HBM_ECC_INFO_WR_PAR_MASK,
le32_to_cpu(hbm_ecc_data->hbm_ecc_info));
rd_par = FIELD_GET(CPUCP_PKT_HBM_ECC_INFO_RD_PAR_MASK,
le32_to_cpu(hbm_ecc_data->hbm_ecc_info));
ca_par = FIELD_GET(CPUCP_PKT_HBM_ECC_INFO_CA_PAR_MASK,
le32_to_cpu(hbm_ecc_data->hbm_ecc_info));
derr = FIELD_GET(CPUCP_PKT_HBM_ECC_INFO_DERR_MASK,
le32_to_cpu(hbm_ecc_data->hbm_ecc_info));
serr = FIELD_GET(CPUCP_PKT_HBM_ECC_INFO_SERR_MASK,
le32_to_cpu(hbm_ecc_data->hbm_ecc_info));
type = FIELD_GET(CPUCP_PKT_HBM_ECC_INFO_TYPE_MASK,
le32_to_cpu(hbm_ecc_data->hbm_ecc_info));
ch = FIELD_GET(CPUCP_PKT_HBM_ECC_INFO_HBM_CH_MASK,
le32_to_cpu(hbm_ecc_data->hbm_ecc_info));
dev_err(hdev->dev,
"HBM%d pc%d interrupts info: WR_PAR=%d, RD_PAR=%d, CA_PAR=%d, SERR=%d, DERR=%d\n" ,
device, ch, wr_par, rd_par, ca_par, serr, derr);
dev_err(hdev->dev,
"HBM%d pc%d ECC info: 1ST_ERR_ADDR=0x%x, 1ST_ERR_TYPE=%d, SEC_CONT_CNT=%u, SEC_CNT=%d, DEC_CNT=%d\n" ,
device, ch, hbm_ecc_data->first_addr, type,
hbm_ecc_data->sec_cont_cnt, hbm_ecc_data->sec_cnt,
hbm_ecc_data->dec_cnt);
return 0;
}
if (hdev->asic_prop.fw_security_enabled) {
dev_info(hdev->dev, "Cannot access MC regs for ECC data while security is enabled\n" );
return 0;
}
base = GAUDI_HBM_CFG_BASE + device * GAUDI_HBM_CFG_OFFSET;
for (ch = 0 ; ch < GAUDI_HBM_CHANNELS ; ch++) {
val = RREG32_MASK(base + ch * 0x1000 + 0x06C, 0x0000FFFF);
val = (val & 0xFF) | ((val >> 8) & 0xFF);
if (val) {
rc = -EIO;
dev_err(hdev->dev,
"HBM%d pc%d interrupts info: WR_PAR=%d, RD_PAR=%d, CA_PAR=%d, SERR=%d, DERR=%d\n" ,
device, ch * 2, val & 0x1, (val >> 1) & 0x1,
(val >> 2) & 0x1, (val >> 3) & 0x1,
(val >> 4) & 0x1);
val2 = RREG32(base + ch * 0x1000 + 0x060);
dev_err(hdev->dev,
"HBM%d pc%d ECC info: 1ST_ERR_ADDR=0x%x, 1ST_ERR_TYPE=%d, SEC_CONT_CNT=%d, SEC_CNT=%d, DEC_CNT=%d\n" ,
device, ch * 2,
RREG32(base + ch * 0x1000 + 0x064),
(val2 & 0x200) >> 9, (val2 & 0xFC00) >> 10,
(val2 & 0xFF0000) >> 16,
(val2 & 0xFF000000) >> 24);
}
val = RREG32_MASK(base + ch * 0x1000 + 0x07C, 0x0000FFFF);
val = (val & 0xFF) | ((val >> 8) & 0xFF);
if (val) {
rc = -EIO;
dev_err(hdev->dev,
"HBM%d pc%d interrupts info: WR_PAR=%d, RD_PAR=%d, CA_PAR=%d, SERR=%d, DERR=%d\n" ,
device, ch * 2 + 1, val & 0x1, (val >> 1) & 0x1,
(val >> 2) & 0x1, (val >> 3) & 0x1,
(val >> 4) & 0x1);
val2 = RREG32(base + ch * 0x1000 + 0x070);
dev_err(hdev->dev,
"HBM%d pc%d ECC info: 1ST_ERR_ADDR=0x%x, 1ST_ERR_TYPE=%d, SEC_CONT_CNT=%d, SEC_CNT=%d, DEC_CNT=%d\n" ,
device, ch * 2 + 1,
RREG32(base + ch * 0x1000 + 0x074),
(val2 & 0x200) >> 9, (val2 & 0xFC00) >> 10,
(val2 & 0xFF0000) >> 16,
(val2 & 0xFF000000) >> 24);
}
/* Clear interrupts */
RMWREG32(base + (ch * 0x1000) + 0x060, 0x1C8, 0x1FF);
RMWREG32(base + (ch * 0x1000) + 0x070, 0x1C8, 0x1FF);
WREG32(base + (ch * 0x1000) + 0x06C, 0x1F1F);
WREG32(base + (ch * 0x1000) + 0x07C, 0x1F1F);
RMWREG32(base + (ch * 0x1000) + 0x060, 0x0, 0xF);
RMWREG32(base + (ch * 0x1000) + 0x070, 0x0, 0xF);
}
val = RREG32(base + 0x8F30);
val2 = RREG32(base + 0x8F34);
if (val | val2) {
rc = -EIO;
dev_err(hdev->dev,
"HBM %d MC SRAM SERR info: Reg 0x8F30=0x%x, Reg 0x8F34=0x%x\n" ,
device, val, val2);
}
val = RREG32(base + 0x8F40);
val2 = RREG32(base + 0x8F44);
if (val | val2) {
rc = -EIO;
dev_err(hdev->dev,
"HBM %d MC SRAM DERR info: Reg 0x8F40=0x%x, Reg 0x8F44=0x%x\n" ,
device, val, val2);
}
return rc;
}
static int gaudi_hbm_event_to_dev(u16 hbm_event_type)
{
switch (hbm_event_type) {
case GAUDI_EVENT_HBM0_SPI_0:
case GAUDI_EVENT_HBM0_SPI_1:
return 0;
case GAUDI_EVENT_HBM1_SPI_0:
case GAUDI_EVENT_HBM1_SPI_1:
return 1;
case GAUDI_EVENT_HBM2_SPI_0:
case GAUDI_EVENT_HBM2_SPI_1:
return 2;
case GAUDI_EVENT_HBM3_SPI_0:
case GAUDI_EVENT_HBM3_SPI_1:
return 3;
default :
break ;
}
/* Should never happen */
return 0;
}
static bool gaudi_tpc_read_interrupts(struct hl_device *hdev, u8 tpc_id,
char *interrupt_name)
{
u32 tpc_offset = tpc_id * TPC_CFG_OFFSET, tpc_interrupts_cause, i;
bool soft_reset_required = false ;
tpc_interrupts_cause = RREG32(mmTPC0_CFG_TPC_INTR_CAUSE + tpc_offset) &
TPC0_CFG_TPC_INTR_CAUSE_CAUSE_MASK;
for (i = 0 ; i < GAUDI_NUM_OF_TPC_INTR_CAUSE ; i++)
if (tpc_interrupts_cause & BIT(i)) {
dev_err_ratelimited(hdev->dev,
"TPC%d_%s interrupt cause: %s\n" ,
tpc_id, interrupt_name,
gaudi_tpc_interrupts_cause[i]);
/* If this is QM error, we need to soft-reset */
if (i == 15)
soft_reset_required = true ;
}
/* Clear interrupts */
WREG32(mmTPC0_CFG_TPC_INTR_CAUSE + tpc_offset, 0);
return soft_reset_required;
}
static int tpc_dec_event_to_tpc_id(u16 tpc_dec_event_type)
{
return (tpc_dec_event_type - GAUDI_EVENT_TPC0_DEC) >> 1;
}
static int tpc_krn_event_to_tpc_id(u16 tpc_dec_event_type)
{
return (tpc_dec_event_type - GAUDI_EVENT_TPC0_KRN_ERR) / 6;
}
static void gaudi_print_clk_change_info(struct hl_device *hdev, u16 event_type, u64 *event_mask)
{
ktime_t zero_time = ktime_set(0, 0);
mutex_lock(&hdev->clk_throttling.lock);
switch (event_type) {
case GAUDI_EVENT_FIX_POWER_ENV_S:
hdev->clk_throttling.current_reason |= HL_CLK_THROTTLE_POWER;
hdev->clk_throttling.aggregated_reason |= HL_CLK_THROTTLE_POWER;
hdev->clk_throttling.timestamp[HL_CLK_THROTTLE_TYPE_POWER].start = ktime_get();
hdev->clk_throttling.timestamp[HL_CLK_THROTTLE_TYPE_POWER].end = zero_time;
dev_info_ratelimited(hdev->dev,
"Clock throttling due to power consumption\n" );
break ;
case GAUDI_EVENT_FIX_POWER_ENV_E:
hdev->clk_throttling.current_reason &= ~HL_CLK_THROTTLE_POWER;
hdev->clk_throttling.timestamp[HL_CLK_THROTTLE_TYPE_POWER].end = ktime_get();
dev_info_ratelimited(hdev->dev,
"Power envelop is safe, back to optimal clock\n" );
break ;
case GAUDI_EVENT_FIX_THERMAL_ENV_S:
hdev->clk_throttling.current_reason |= HL_CLK_THROTTLE_THERMAL;
hdev->clk_throttling.aggregated_reason |= HL_CLK_THROTTLE_THERMAL;
hdev->clk_throttling.timestamp[HL_CLK_THROTTLE_TYPE_THERMAL].start = ktime_get();
hdev->clk_throttling.timestamp[HL_CLK_THROTTLE_TYPE_THERMAL].end = zero_time;
*event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
dev_info_ratelimited(hdev->dev,
"Clock throttling due to overheating\n" );
break ;
case GAUDI_EVENT_FIX_THERMAL_ENV_E:
hdev->clk_throttling.current_reason &= ~HL_CLK_THROTTLE_THERMAL;
hdev->clk_throttling.timestamp[HL_CLK_THROTTLE_TYPE_THERMAL].end = ktime_get();
*event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
dev_info_ratelimited(hdev->dev,
"Thermal envelop is safe, back to optimal clock\n" );
break ;
default :
dev_err(hdev->dev, "Received invalid clock change event %d\n" ,
event_type);
break ;
}
mutex_unlock(&hdev->clk_throttling.lock);
}
static void gaudi_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct hl_info_fw_err_info fw_err_info;
u64 data = le64_to_cpu(eq_entry->data[0]), event_mask = 0;
u32 ctl = le32_to_cpu(eq_entry->hdr.ctl);
u32 fw_fatal_err_flag = 0, flags = 0;
u16 event_type = ((ctl & EQ_CTL_EVENT_TYPE_MASK)
>> EQ_CTL_EVENT_TYPE_SHIFT);
bool reset_required, reset_direct = false ;
u8 cause;
int rc;
if (event_type >= GAUDI_EVENT_SIZE) {
dev_err(hdev->dev, "Event type %u exceeds maximum of %u" ,
event_type, GAUDI_EVENT_SIZE - 1);
return ;
}
gaudi->events_stat[event_type]++;
gaudi->events_stat_aggregate[event_type]++;
switch (event_type) {
case GAUDI_EVENT_PCIE_CORE_DERR:
case GAUDI_EVENT_PCIE_IF_DERR:
case GAUDI_EVENT_PCIE_PHY_DERR:
case GAUDI_EVENT_TPC0_DERR ... GAUDI_EVENT_TPC7_DERR:
case GAUDI_EVENT_MME0_ACC_DERR:
case GAUDI_EVENT_MME0_SBAB_DERR:
case GAUDI_EVENT_MME1_ACC_DERR:
case GAUDI_EVENT_MME1_SBAB_DERR:
case GAUDI_EVENT_MME2_ACC_DERR:
case GAUDI_EVENT_MME2_SBAB_DERR:
case GAUDI_EVENT_MME3_ACC_DERR:
case GAUDI_EVENT_MME3_SBAB_DERR:
case GAUDI_EVENT_DMA0_DERR_ECC ... GAUDI_EVENT_DMA7_DERR_ECC:
fallthrough;
case GAUDI_EVENT_CPU_IF_ECC_DERR:
case GAUDI_EVENT_PSOC_MEM_DERR:
case GAUDI_EVENT_PSOC_CORESIGHT_DERR:
case GAUDI_EVENT_SRAM0_DERR ... GAUDI_EVENT_SRAM28_DERR:
case GAUDI_EVENT_NIC0_DERR ... GAUDI_EVENT_NIC4_DERR:
case GAUDI_EVENT_DMA_IF0_DERR ... GAUDI_EVENT_DMA_IF3_DERR:
case GAUDI_EVENT_HBM_0_DERR ... GAUDI_EVENT_HBM_3_DERR:
case GAUDI_EVENT_MMU_DERR:
case GAUDI_EVENT_NIC0_CS_DBG_DERR ... GAUDI_EVENT_NIC4_CS_DBG_DERR:
gaudi_print_irq_info(hdev, event_type, true , &event_mask);
gaudi_handle_ecc_event(hdev, event_type, &eq_entry->ecc_data);
event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
fw_fatal_err_flag = HL_DRV_RESET_FW_FATAL_ERR;
goto reset_device;
case GAUDI_EVENT_GIC500:
case GAUDI_EVENT_AXI_ECC:
case GAUDI_EVENT_L2_RAM_ECC:
case GAUDI_EVENT_PLL0 ... GAUDI_EVENT_PLL17:
gaudi_print_irq_info(hdev, event_type, false , &event_mask);
fw_fatal_err_flag = HL_DRV_RESET_FW_FATAL_ERR;
event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
goto reset_device;
case GAUDI_EVENT_HBM0_SPI_0:
case GAUDI_EVENT_HBM1_SPI_0:
case GAUDI_EVENT_HBM2_SPI_0:
case GAUDI_EVENT_HBM3_SPI_0:
gaudi_print_irq_info(hdev, event_type, false , &event_mask);
gaudi_hbm_read_interrupts(hdev,
gaudi_hbm_event_to_dev(event_type),
&eq_entry->hbm_ecc_data);
fw_fatal_err_flag = HL_DRV_RESET_FW_FATAL_ERR;
event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
goto reset_device;
case GAUDI_EVENT_HBM0_SPI_1:
case GAUDI_EVENT_HBM1_SPI_1:
case GAUDI_EVENT_HBM2_SPI_1:
case GAUDI_EVENT_HBM3_SPI_1:
gaudi_print_irq_info(hdev, event_type, false , &event_mask);
gaudi_hbm_read_interrupts(hdev,
gaudi_hbm_event_to_dev(event_type),
&eq_entry->hbm_ecc_data);
hl_fw_unmask_irq(hdev, event_type);
event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
break ;
case GAUDI_EVENT_TPC0_DEC:
case GAUDI_EVENT_TPC1_DEC:
case GAUDI_EVENT_TPC2_DEC:
case GAUDI_EVENT_TPC3_DEC:
case GAUDI_EVENT_TPC4_DEC:
case GAUDI_EVENT_TPC5_DEC:
case GAUDI_EVENT_TPC6_DEC:
case GAUDI_EVENT_TPC7_DEC:
/* In TPC DEC event, notify on TPC assertion. While there isn't
* a specific event for assertion yet, the FW generates TPC DEC event.
* The SW upper layer will inspect an internal mapped area to indicate
* if the event is a TPC Assertion or a "real" TPC DEC.
*/
event_mask |= HL_NOTIFIER_EVENT_TPC_ASSERT;
gaudi_print_irq_info(hdev, event_type, true , &event_mask);
reset_required = gaudi_tpc_read_interrupts(hdev,
tpc_dec_event_to_tpc_id(event_type),
"AXI_SLV_DEC_Error" );
event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
if (reset_required) {
dev_err(hdev->dev, "reset required due to %s\n" ,
gaudi_irq_map_table[event_type].name);
reset_direct = true ;
goto reset_device;
} else {
hl_fw_unmask_irq(hdev, event_type);
event_mask |= HL_NOTIFIER_EVENT_DEVICE_RESET;
}
break ;
case GAUDI_EVENT_TPC0_KRN_ERR:
case GAUDI_EVENT_TPC1_KRN_ERR:
case GAUDI_EVENT_TPC2_KRN_ERR:
case GAUDI_EVENT_TPC3_KRN_ERR:
case GAUDI_EVENT_TPC4_KRN_ERR:
case GAUDI_EVENT_TPC5_KRN_ERR:
case GAUDI_EVENT_TPC6_KRN_ERR:
case GAUDI_EVENT_TPC7_KRN_ERR:
gaudi_print_irq_info(hdev, event_type, true , &event_mask);
reset_required = gaudi_tpc_read_interrupts(hdev,
tpc_krn_event_to_tpc_id(event_type),
"KRN_ERR" );
event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
if (reset_required) {
dev_err(hdev->dev, "reset required due to %s\n" ,
gaudi_irq_map_table[event_type].name);
reset_direct = true ;
goto reset_device;
} else {
hl_fw_unmask_irq(hdev, event_type);
event_mask |= HL_NOTIFIER_EVENT_DEVICE_RESET;
}
break ;
case GAUDI_EVENT_PCIE_CORE_SERR:
case GAUDI_EVENT_PCIE_IF_SERR:
case GAUDI_EVENT_PCIE_PHY_SERR:
case GAUDI_EVENT_TPC0_SERR ... GAUDI_EVENT_TPC7_SERR:
case GAUDI_EVENT_MME0_ACC_SERR:
case GAUDI_EVENT_MME0_SBAB_SERR:
case GAUDI_EVENT_MME1_ACC_SERR:
case GAUDI_EVENT_MME1_SBAB_SERR:
case GAUDI_EVENT_MME2_ACC_SERR:
case GAUDI_EVENT_MME2_SBAB_SERR:
case GAUDI_EVENT_MME3_ACC_SERR:
case GAUDI_EVENT_MME3_SBAB_SERR:
case GAUDI_EVENT_DMA0_SERR_ECC ... GAUDI_EVENT_DMA7_SERR_ECC:
case GAUDI_EVENT_CPU_IF_ECC_SERR:
case GAUDI_EVENT_PSOC_MEM_SERR:
case GAUDI_EVENT_PSOC_CORESIGHT_SERR:
case GAUDI_EVENT_SRAM0_SERR ... GAUDI_EVENT_SRAM28_SERR:
case GAUDI_EVENT_NIC0_SERR ... GAUDI_EVENT_NIC4_SERR:
case GAUDI_EVENT_DMA_IF0_SERR ... GAUDI_EVENT_DMA_IF3_SERR:
case GAUDI_EVENT_HBM_0_SERR ... GAUDI_EVENT_HBM_3_SERR:
fallthrough;
case GAUDI_EVENT_MMU_SERR:
gaudi_print_irq_info(hdev, event_type, true , &event_mask);
gaudi_handle_ecc_event(hdev, event_type, &eq_entry->ecc_data);
hl_fw_unmask_irq(hdev, event_type);
event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
break ;
case GAUDI_EVENT_PCIE_DEC:
case GAUDI_EVENT_CPU_AXI_SPLITTER:
case GAUDI_EVENT_PSOC_AXI_DEC:
case GAUDI_EVENT_PSOC_PRSTN_FALL:
gaudi_print_irq_info(hdev, event_type, true , &event_mask);
hl_fw_unmask_irq(hdev, event_type);
event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
break ;
case GAUDI_EVENT_MMU_PAGE_FAULT:
case GAUDI_EVENT_MMU_WR_PERM:
gaudi_print_irq_info(hdev, event_type, true , &event_mask);
hl_fw_unmask_irq(hdev, event_type);
event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
break ;
case GAUDI_EVENT_MME0_WBC_RSP:
case GAUDI_EVENT_MME0_SBAB0_RSP:
case GAUDI_EVENT_MME1_WBC_RSP:
case GAUDI_EVENT_MME1_SBAB0_RSP:
case GAUDI_EVENT_MME2_WBC_RSP:
case GAUDI_EVENT_MME2_SBAB0_RSP:
case GAUDI_EVENT_MME3_WBC_RSP:
case GAUDI_EVENT_MME3_SBAB0_RSP:
case GAUDI_EVENT_RAZWI_OR_ADC:
case GAUDI_EVENT_MME0_QM ... GAUDI_EVENT_MME2_QM:
case GAUDI_EVENT_DMA0_QM ... GAUDI_EVENT_DMA7_QM:
fallthrough;
case GAUDI_EVENT_NIC0_QM0:
case GAUDI_EVENT_NIC0_QM1:
case GAUDI_EVENT_NIC1_QM0:
case GAUDI_EVENT_NIC1_QM1:
case GAUDI_EVENT_NIC2_QM0:
case GAUDI_EVENT_NIC2_QM1:
case GAUDI_EVENT_NIC3_QM0:
case GAUDI_EVENT_NIC3_QM1:
case GAUDI_EVENT_NIC4_QM0:
case GAUDI_EVENT_NIC4_QM1:
case GAUDI_EVENT_DMA0_CORE ... GAUDI_EVENT_DMA7_CORE:
case GAUDI_EVENT_TPC0_QM ... GAUDI_EVENT_TPC7_QM:
gaudi_print_irq_info(hdev, event_type, true , &event_mask);
gaudi_handle_qman_err(hdev, event_type, &event_mask);
hl_fw_unmask_irq(hdev, event_type);
event_mask |= (HL_NOTIFIER_EVENT_USER_ENGINE_ERR | HL_NOTIFIER_EVENT_DEVICE_RESET);
break ;
case GAUDI_EVENT_RAZWI_OR_ADC_SW:
gaudi_print_irq_info(hdev, event_type, true , &event_mask);
event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
goto reset_device;
case GAUDI_EVENT_TPC0_BMON_SPMU:
case GAUDI_EVENT_TPC1_BMON_SPMU:
case GAUDI_EVENT_TPC2_BMON_SPMU:
case GAUDI_EVENT_TPC3_BMON_SPMU:
case GAUDI_EVENT_TPC4_BMON_SPMU:
case GAUDI_EVENT_TPC5_BMON_SPMU:
case GAUDI_EVENT_TPC6_BMON_SPMU:
case GAUDI_EVENT_TPC7_BMON_SPMU:
case GAUDI_EVENT_DMA_BM_CH0 ... GAUDI_EVENT_DMA_BM_CH7:
gaudi_print_irq_info(hdev, event_type, false , &event_mask);
hl_fw_unmask_irq(hdev, event_type);
event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
break ;
case GAUDI_EVENT_NIC_SEI_0 ... GAUDI_EVENT_NIC_SEI_4:
gaudi_print_nic_axi_irq_info(hdev, event_type, &data);
hl_fw_unmask_irq(hdev, event_type);
event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
break ;
case GAUDI_EVENT_DMA_IF_SEI_0 ... GAUDI_EVENT_DMA_IF_SEI_3:
gaudi_print_irq_info(hdev, event_type, false , &event_mask);
gaudi_print_sm_sei_info(hdev, event_type,
&eq_entry->sm_sei_data);
rc = hl_state_dump(hdev);
event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
if (rc)
dev_err(hdev->dev,
"Error during system state dump %d\n" , rc);
hl_fw_unmask_irq(hdev, event_type);
break ;
case GAUDI_EVENT_STATUS_NIC0_ENG0 ... GAUDI_EVENT_STATUS_NIC4_ENG1:
break ;
case GAUDI_EVENT_FIX_POWER_ENV_S ... GAUDI_EVENT_FIX_THERMAL_ENV_E:
gaudi_print_clk_change_info(hdev, event_type, &event_mask);
hl_fw_unmask_irq(hdev, event_type);
break ;
case GAUDI_EVENT_PSOC_GPIO_U16_0:
cause = le64_to_cpu(eq_entry->data[0]) & 0xFF;
dev_err(hdev->dev,
"Received high temp H/W interrupt %d (cause %d)\n" ,
event_type, cause);
event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
break ;
case GAUDI_EVENT_DEV_RESET_REQ:
gaudi_print_irq_info(hdev, event_type, false , &event_mask);
event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
goto reset_device;
case GAUDI_EVENT_PKT_QUEUE_OUT_SYNC:
gaudi_print_irq_info(hdev, event_type, false , &event_mask);
gaudi_print_out_of_sync_info(hdev, &eq_entry->pkt_sync_err);
event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
goto reset_device;
case GAUDI_EVENT_FW_ALIVE_S:
gaudi_print_irq_info(hdev, event_type, false , &event_mask);
gaudi_print_fw_alive_info(hdev, &eq_entry->fw_alive);
fw_err_info.err_type = HL_INFO_FW_REPORTED_ERR;
fw_err_info.event_id = event_type;
fw_err_info.event_mask = &event_mask;
hl_handle_fw_err(hdev, &fw_err_info);
goto reset_device;
default :
dev_err(hdev->dev, "Received invalid H/W interrupt %d\n" ,
event_type);
break ;
}
if (event_mask)
hl_notifier_event_send_all(hdev, event_mask);
return ;
reset_device:
reset_required = true ;
if (hdev->asic_prop.fw_security_enabled && !reset_direct) {
flags = HL_DRV_RESET_HARD | HL_DRV_RESET_BYPASS_REQ_TO_FW | fw_fatal_err_flag;
/* notify on device unavailable while the reset triggered by fw */
event_mask |= (HL_NOTIFIER_EVENT_DEVICE_RESET |
HL_NOTIFIER_EVENT_DEVICE_UNAVAILABLE);
} else if (hdev->hard_reset_on_fw_events) {
flags = HL_DRV_RESET_HARD | HL_DRV_RESET_DELAY | fw_fatal_err_flag;
event_mask |= HL_NOTIFIER_EVENT_DEVICE_RESET;
} else {
reset_required = false ;
}
if (reset_required) {
/* escalate general hw errors to critical/fatal error */
if (event_mask & HL_NOTIFIER_EVENT_GENERAL_HW_ERR)
hl_handle_critical_hw_err(hdev, event_type, &event_mask);
hl_device_cond_reset(hdev, flags, event_mask);
} else {
hl_fw_unmask_irq(hdev, event_type);
/* Notification on occurred event needs to be sent although reset is not executed */
if (event_mask)
hl_notifier_event_send_all(hdev, event_mask);
}
}
static void *gaudi_get_events_stat(struct hl_device *hdev, bool aggregate, u32 *size)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (aggregate) {
*size = (u32) sizeof (gaudi->events_stat_aggregate);
return gaudi->events_stat_aggregate;
}
*size = (u32) sizeof (gaudi->events_stat);
return gaudi->events_stat;
}
static int gaudi_mmu_invalidate_cache(struct hl_device *hdev, bool is_hard, u32 flags)
{
struct gaudi_device *gaudi = hdev->asic_specific;
u32 status, timeout_usec;
int rc;
if (!(gaudi->hw_cap_initialized & HW_CAP_MMU) ||
hdev->reset_info.hard_reset_pending)
return 0;
if (hdev->pldm)
timeout_usec = GAUDI_PLDM_MMU_TIMEOUT_USEC;
else
timeout_usec = MMU_CONFIG_TIMEOUT_USEC;
/* L0 & L1 invalidation */
WREG32(mmSTLB_INV_PS, 3);
WREG32(mmSTLB_CACHE_INV, gaudi->mmu_cache_inv_pi++);
WREG32(mmSTLB_INV_PS, 2);
rc = hl_poll_timeout(
hdev,
mmSTLB_INV_PS,
status,
!status,
1000,
timeout_usec);
WREG32(mmSTLB_INV_SET, 0);
return rc;
}
static int gaudi_mmu_invalidate_cache_range(struct hl_device *hdev,
bool is_hard, u32 flags,
u32 asid, u64 va, u64 size)
{
/* Treat as invalidate all because there is no range invalidation
* in Gaudi
*/
return hdev->asic_funcs->mmu_invalidate_cache(hdev, is_hard, flags);
}
static int gaudi_mmu_update_asid_hop0_addr(struct hl_device *hdev, u32 asid, u64 phys_addr)
{
u32 status, timeout_usec;
int rc;
if (hdev->pldm)
timeout_usec = GAUDI_PLDM_MMU_TIMEOUT_USEC;
else
timeout_usec = MMU_CONFIG_TIMEOUT_USEC;
WREG32(MMU_ASID, asid);
WREG32(MMU_HOP0_PA43_12, phys_addr >> MMU_HOP0_PA43_12_SHIFT);
WREG32(MMU_HOP0_PA49_44, phys_addr >> MMU_HOP0_PA49_44_SHIFT);
WREG32(MMU_BUSY, 0x80000000);
rc = hl_poll_timeout(
hdev,
MMU_BUSY,
status,
!(status & 0x80000000),
1000,
timeout_usec);
if (rc) {
dev_err(hdev->dev,
"Timeout during MMU hop0 config of asid %d\n" , asid);
return rc;
}
return 0;
}
static int gaudi_send_heartbeat(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q))
return 0;
return hl_fw_send_heartbeat(hdev);
}
static int gaudi_cpucp_info_get(struct hl_device *hdev)
{
struct gaudi_device *gaudi = hdev->asic_specific;
struct asic_fixed_properties *prop = &hdev->asic_prop;
int rc;
if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q))
return 0;
rc = hl_fw_cpucp_handshake(hdev, mmCPU_BOOT_DEV_STS0,
mmCPU_BOOT_DEV_STS1, mmCPU_BOOT_ERR0,
mmCPU_BOOT_ERR1);
if (rc)
return rc;
if (!strlen(prop->cpucp_info.card_name))
strscpy_pad(prop->cpucp_info.card_name, GAUDI_DEFAULT_CARD_NAME,
CARD_NAME_MAX_LEN);
hdev->card_type = le32_to_cpu(hdev->asic_prop.cpucp_info.card_type);
set_default_power_values(hdev);
return 0;
}
static bool gaudi_is_device_idle(struct hl_device *hdev, u64 *mask_arr, u8 mask_len,
struct engines_data *e)
{
struct gaudi_device *gaudi = hdev->asic_specific;
const char *fmt = "%-5d%-9s%#-14x%#-12x%#x\n" ;
const char *mme_slave_fmt = "%-5d%-9s%-14s%-12s%#x\n" ;
const char *nic_fmt = "%-5d%-9s%#-14x%#x\n" ;
unsigned long *mask = (unsigned long *)mask_arr;
u32 qm_glbl_sts0, qm_cgm_sts, dma_core_sts0, tpc_cfg_sts, mme_arch_sts;
bool is_idle = true , is_eng_idle, is_slave;
u64 offset;
int i, dma_id, port;
if (e)
hl_engine_data_sprintf(e,
"\nDMA is_idle QM_GLBL_STS0 QM_CGM_STS DMA_CORE_STS0\n"
"--- ------- ------------ ---------- -------------\n" );
for (i = 0 ; i < DMA_NUMBER_OF_CHNLS ; i++) {
dma_id = gaudi_dma_assignment[i];
offset = dma_id * DMA_QMAN_OFFSET;
qm_glbl_sts0 = RREG32(mmDMA0_QM_GLBL_STS0 + offset);
qm_cgm_sts = RREG32(mmDMA0_QM_CGM_STS + offset);
dma_core_sts0 = RREG32(mmDMA0_CORE_STS0 + offset);
is_eng_idle = IS_QM_IDLE(qm_glbl_sts0, qm_cgm_sts) &&
IS_DMA_IDLE(dma_core_sts0);
is_idle &= is_eng_idle;
if (mask && !is_eng_idle)
set_bit(GAUDI_ENGINE_ID_DMA_0 + dma_id, mask);
if (e)
hl_engine_data_sprintf(e, fmt, dma_id,
is_eng_idle ? "Y" : "N" , qm_glbl_sts0,
qm_cgm_sts, dma_core_sts0);
}
if (e)
hl_engine_data_sprintf(e,
"\nTPC is_idle QM_GLBL_STS0 QM_CGM_STS CFG_STATUS\n"
"--- ------- ------------ ---------- ----------\n" );
for (i = 0 ; i < TPC_NUMBER_OF_ENGINES ; i++) {
offset = i * TPC_QMAN_OFFSET;
qm_glbl_sts0 = RREG32(mmTPC0_QM_GLBL_STS0 + offset);
qm_cgm_sts = RREG32(mmTPC0_QM_CGM_STS + offset);
tpc_cfg_sts = RREG32(mmTPC0_CFG_STATUS + offset);
is_eng_idle = IS_QM_IDLE(qm_glbl_sts0, qm_cgm_sts) &&
IS_TPC_IDLE(tpc_cfg_sts);
is_idle &= is_eng_idle;
if (mask && !is_eng_idle)
set_bit(GAUDI_ENGINE_ID_TPC_0 + i, mask);
if (e)
hl_engine_data_sprintf(e, fmt, i,
is_eng_idle ? "Y" : "N" ,
qm_glbl_sts0, qm_cgm_sts, tpc_cfg_sts);
}
if (e)
hl_engine_data_sprintf(e,
"\nMME is_idle QM_GLBL_STS0 QM_CGM_STS ARCH_STATUS\n"
"--- ------- ------------ ---------- -----------\n" );
for (i = 0 ; i < MME_NUMBER_OF_ENGINES ; i++) {
offset = i * MME_QMAN_OFFSET;
mme_arch_sts = RREG32(mmMME0_CTRL_ARCH_STATUS + offset);
is_eng_idle = IS_MME_IDLE(mme_arch_sts);
/* MME 1 & 3 are slaves, no need to check their QMANs */
is_slave = i % 2;
if (!is_slave) {
qm_glbl_sts0 = RREG32(mmMME0_QM_GLBL_STS0 + offset);
qm_cgm_sts = RREG32(mmMME0_QM_CGM_STS + offset);
is_eng_idle &= IS_QM_IDLE(qm_glbl_sts0, qm_cgm_sts);
}
is_idle &= is_eng_idle;
if (mask && !is_eng_idle)
set_bit(GAUDI_ENGINE_ID_MME_0 + i, mask);
if (e) {
if (!is_slave)
hl_engine_data_sprintf(e, fmt, i,
is_eng_idle ? "Y" : "N" ,
qm_glbl_sts0, qm_cgm_sts, mme_arch_sts);
else
hl_engine_data_sprintf(e, mme_slave_fmt, i,
is_eng_idle ? "Y" : "N" , "-" ,
"-" , mme_arch_sts);
}
}
if (e)
hl_engine_data_sprintf(e,
"\nNIC is_idle QM_GLBL_STS0 QM_CGM_STS\n"
"--- ------- ------------ ----------\n" );
for (i = 0 ; i < (NIC_NUMBER_OF_ENGINES / 2) ; i++) {
offset = i * NIC_MACRO_QMAN_OFFSET;
port = 2 * i;
if (gaudi->hw_cap_initialized & BIT(HW_CAP_NIC_SHIFT + port)) {
qm_glbl_sts0 = RREG32(mmNIC0_QM0_GLBL_STS0 + offset);
qm_cgm_sts = RREG32(mmNIC0_QM0_CGM_STS + offset);
is_eng_idle = IS_QM_IDLE(qm_glbl_sts0, qm_cgm_sts);
is_idle &= is_eng_idle;
if (mask && !is_eng_idle)
set_bit(GAUDI_ENGINE_ID_NIC_0 + port, mask);
if (e)
hl_engine_data_sprintf(e, nic_fmt, port,
is_eng_idle ? "Y" : "N" ,
qm_glbl_sts0, qm_cgm_sts);
}
port = 2 * i + 1;
if (gaudi->hw_cap_initialized & BIT(HW_CAP_NIC_SHIFT + port)) {
qm_glbl_sts0 = RREG32(mmNIC0_QM1_GLBL_STS0 + offset);
qm_cgm_sts = RREG32(mmNIC0_QM1_CGM_STS + offset);
is_eng_idle = IS_QM_IDLE(qm_glbl_sts0, qm_cgm_sts);
is_idle &= is_eng_idle;
if (mask && !is_eng_idle)
set_bit(GAUDI_ENGINE_ID_NIC_0 + port, mask);
if (e)
hl_engine_data_sprintf(e, nic_fmt, port,
is_eng_idle ? "Y" : "N" ,
qm_glbl_sts0, qm_cgm_sts);
}
}
if (e)
hl_engine_data_sprintf(e, "\n" );
return is_idle;
}
static void gaudi_hw_queues_lock(struct hl_device *hdev)
__acquires(&gaudi->hw_queues_lock)
{
struct gaudi_device *gaudi = hdev->asic_specific;
spin_lock(&gaudi->hw_queues_lock);
}
static void gaudi_hw_queues_unlock(struct hl_device *hdev)
__releases(&gaudi->hw_queues_lock)
{
struct gaudi_device *gaudi = hdev->asic_specific;
spin_unlock(&gaudi->hw_queues_lock);
}
static u32 gaudi_get_pci_id(struct hl_device *hdev)
{
return hdev->pdev->device;
}
static int gaudi_get_eeprom_data(struct hl_device *hdev, void *data,
size_t max_size)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q))
return 0;
return hl_fw_get_eeprom_data(hdev, data, max_size);
}
static int gaudi_get_monitor_dump(struct hl_device *hdev, void *data)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q))
return 0;
return hl_fw_get_monitor_dump(hdev, data);
}
/*
* this function should be used only during initialization and/or after reset,
* when there are no active users.
*/
static int gaudi_run_tpc_kernel(struct hl_device *hdev, u64 tpc_kernel, u32 tpc_id)
{
u64 kernel_timeout;
u32 status, offset;
int rc;
offset = tpc_id * (mmTPC1_CFG_STATUS - mmTPC0_CFG_STATUS);
if (hdev->pldm)
kernel_timeout = GAUDI_PLDM_TPC_KERNEL_WAIT_USEC;
else
kernel_timeout = HL_DEVICE_TIMEOUT_USEC;
WREG32(mmTPC0_CFG_QM_KERNEL_BASE_ADDRESS_LOW + offset,
lower_32_bits(tpc_kernel));
WREG32(mmTPC0_CFG_QM_KERNEL_BASE_ADDRESS_HIGH + offset,
upper_32_bits(tpc_kernel));
WREG32(mmTPC0_CFG_ICACHE_BASE_ADDERESS_LOW + offset,
lower_32_bits(tpc_kernel));
WREG32(mmTPC0_CFG_ICACHE_BASE_ADDERESS_HIGH + offset,
upper_32_bits(tpc_kernel));
/* set a valid LUT pointer, content is of no significance */
WREG32(mmTPC0_CFG_LUT_FUNC256_BASE_ADDR_LO + offset,
lower_32_bits(tpc_kernel));
WREG32(mmTPC0_CFG_LUT_FUNC256_BASE_ADDR_HI + offset,
upper_32_bits(tpc_kernel));
WREG32(mmTPC0_CFG_QM_SYNC_OBJECT_ADDR + offset,
lower_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0));
WREG32(mmTPC0_CFG_TPC_CMD + offset,
(1 << TPC0_CFG_TPC_CMD_ICACHE_INVALIDATE_SHIFT |
1 << TPC0_CFG_TPC_CMD_ICACHE_PREFETCH_64KB_SHIFT));
/* wait a bit for the engine to start executing */
usleep_range(1000, 1500);
/* wait until engine has finished executing */
rc = hl_poll_timeout(
hdev,
mmTPC0_CFG_STATUS + offset,
status,
(status & TPC0_CFG_STATUS_VECTOR_PIPE_EMPTY_MASK) ==
TPC0_CFG_STATUS_VECTOR_PIPE_EMPTY_MASK,
1000,
kernel_timeout);
if (rc) {
dev_err(hdev->dev,
"Timeout while waiting for TPC%d icache prefetch\n" ,
tpc_id);
return -EIO;
}
WREG32(mmTPC0_CFG_TPC_EXECUTE + offset,
1 << TPC0_CFG_TPC_EXECUTE_V_SHIFT);
/* wait a bit for the engine to start executing */
usleep_range(1000, 1500);
/* wait until engine has finished executing */
rc = hl_poll_timeout(
hdev,
mmTPC0_CFG_STATUS + offset,
status,
(status & TPC0_CFG_STATUS_VECTOR_PIPE_EMPTY_MASK) ==
TPC0_CFG_STATUS_VECTOR_PIPE_EMPTY_MASK,
1000,
kernel_timeout);
if (rc) {
dev_err(hdev->dev,
"Timeout while waiting for TPC%d vector pipe\n" ,
tpc_id);
return -EIO;
}
rc = hl_poll_timeout(
hdev,
mmTPC0_CFG_WQ_INFLIGHT_CNTR + offset,
status,
(status == 0),
1000,
kernel_timeout);
if (rc) {
dev_err(hdev->dev,
"Timeout while waiting for TPC%d kernel to execute\n" ,
tpc_id);
return -EIO;
}
return 0;
}
static int gaudi_internal_cb_pool_init(struct hl_device *hdev,
struct hl_ctx *ctx)
{
struct gaudi_device *gaudi = hdev->asic_specific;
int min_alloc_order, rc, collective_cb_size;
if (!(gaudi->hw_cap_initialized & HW_CAP_MMU))
return 0;
hdev->internal_cb_pool_virt_addr = hl_asic_dma_alloc_coherent(hdev,
HOST_SPACE_INTERNAL_CB_SZ,
&hdev->internal_cb_pool_dma_addr,
GFP_KERNEL | __GFP_ZERO);
if (!hdev->internal_cb_pool_virt_addr)
return -ENOMEM;
collective_cb_size = sizeof (struct packet_msg_short) * 5 +
sizeof (struct packet_fence);
min_alloc_order = ilog2(collective_cb_size);
hdev->internal_cb_pool = gen_pool_create(min_alloc_order, -1);
if (!hdev->internal_cb_pool) {
dev_err(hdev->dev,
"Failed to create internal CB pool\n" );
rc = -ENOMEM;
goto free_internal_cb_pool;
}
rc = gen_pool_add(hdev->internal_cb_pool,
(uintptr_t) hdev->internal_cb_pool_virt_addr,
HOST_SPACE_INTERNAL_CB_SZ, -1);
if (rc) {
dev_err(hdev->dev,
"Failed to add memory to internal CB pool\n" );
rc = -EFAULT;
goto destroy_internal_cb_pool;
}
hdev->internal_cb_va_base = hl_reserve_va_block(hdev, ctx,
HL_VA_RANGE_TYPE_HOST, HOST_SPACE_INTERNAL_CB_SZ,
HL_MMU_VA_ALIGNMENT_NOT_NEEDED);
if (!hdev->internal_cb_va_base) {
rc = -ENOMEM;
goto destroy_internal_cb_pool;
}
mutex_lock(&hdev->mmu_lock);
rc = hl_mmu_map_contiguous(ctx, hdev->internal_cb_va_base,
hdev->internal_cb_pool_dma_addr,
HOST_SPACE_INTERNAL_CB_SZ);
if (rc)
goto unreserve_internal_cb_pool;
rc = hl_mmu_invalidate_cache(hdev, false , MMU_OP_USERPTR);
if (rc)
goto unmap_internal_cb_pool;
mutex_unlock(&hdev->mmu_lock);
return 0;
unmap_internal_cb_pool:
hl_mmu_unmap_contiguous(ctx, hdev->internal_cb_va_base,
HOST_SPACE_INTERNAL_CB_SZ);
unreserve_internal_cb_pool:
mutex_unlock(&hdev->mmu_lock);
hl_unreserve_va_block(hdev, ctx, hdev->internal_cb_va_base,
HOST_SPACE_INTERNAL_CB_SZ);
destroy_internal_cb_pool:
gen_pool_destroy(hdev->internal_cb_pool);
free_internal_cb_pool:
hl_asic_dma_free_coherent(hdev, HOST_SPACE_INTERNAL_CB_SZ, hdev->internal_cb_pool_virt_addr,
hdev->internal_cb_pool_dma_addr);
return rc;
}
static void gaudi_internal_cb_pool_fini(struct hl_device *hdev,
struct hl_ctx *ctx)
{
struct gaudi_device *gaudi = hdev->asic_specific;
if (!(gaudi->hw_cap_initialized & HW_CAP_MMU))
return ;
mutex_lock(&hdev->mmu_lock);
hl_mmu_unmap_contiguous(ctx, hdev->internal_cb_va_base,
HOST_SPACE_INTERNAL_CB_SZ);
hl_unreserve_va_block(hdev, ctx, hdev->internal_cb_va_base,
HOST_SPACE_INTERNAL_CB_SZ);
hl_mmu_invalidate_cache(hdev, true , MMU_OP_USERPTR);
mutex_unlock(&hdev->mmu_lock);
gen_pool_destroy(hdev->internal_cb_pool);
hl_asic_dma_free_coherent(hdev, HOST_SPACE_INTERNAL_CB_SZ, hdev->internal_cb_pool_virt_addr,
hdev->internal_cb_pool_dma_addr);
}
static int gaudi_ctx_init(struct hl_ctx *ctx)
{
int rc;
if (ctx->asid == HL_KERNEL_ASID_ID)
return 0;
rc = gaudi_internal_cb_pool_init(ctx->hdev, ctx);
if (rc)
return rc;
rc = gaudi_restore_user_registers(ctx->hdev);
if (rc)
gaudi_internal_cb_pool_fini(ctx->hdev, ctx);
return rc;
}
static void gaudi_ctx_fini(struct hl_ctx *ctx)
{
if (ctx->asid == HL_KERNEL_ASID_ID)
return ;
gaudi_internal_cb_pool_fini(ctx->hdev, ctx);
}
static int gaudi_pre_schedule_cs(struct hl_cs *cs)
{
return 0;
}
static u32 gaudi_get_queue_id_for_cq(struct hl_device *hdev, u32 cq_idx)
{
return gaudi_cq_assignment[cq_idx];
}
static u32 gaudi_get_signal_cb_size(struct hl_device *hdev)
{
return sizeof (struct packet_msg_short) +
sizeof (struct packet_msg_prot) * 2;
}
static u32 gaudi_get_wait_cb_size(struct hl_device *hdev)
{
return sizeof (struct packet_msg_short) * 4 +
sizeof (struct packet_fence) +
sizeof (struct packet_msg_prot) * 2;
}
static u32 gaudi_get_sob_addr(struct hl_device *hdev, u32 sob_id)
{
return mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0 + (sob_id * 4);
}
static u32 gaudi_gen_signal_cb(struct hl_device *hdev, void *data, u16 sob_id,
u32 size, bool eb)
{
struct hl_cb *cb = (struct hl_cb *) data;
struct packet_msg_short *pkt;
u32 value, ctl, pkt_size = sizeof (*pkt);
pkt = cb->kernel_address + size;
memset(pkt, 0, pkt_size);
/* Inc by 1, Mode ADD */
value = FIELD_PREP(GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK, 1);
value |= FIELD_PREP(GAUDI_PKT_SHORT_VAL_SOB_MOD_MASK, 1);
ctl = FIELD_PREP(GAUDI_PKT_SHORT_CTL_ADDR_MASK, sob_id * 4);
ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OP_MASK, 0); /* write the value */
ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_BASE_MASK, 3); /* W_S SOB base */
ctl |= FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_MSG_SHORT);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_EB_MASK, eb);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_RB_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
pkt->value = cpu_to_le32(value);
pkt->ctl = cpu_to_le32(ctl);
return size + pkt_size;
}
static u32 gaudi_add_mon_msg_short(struct packet_msg_short *pkt, u32 value,
u16 addr)
{
u32 ctl, pkt_size = sizeof (*pkt);
memset(pkt, 0, pkt_size);
ctl = FIELD_PREP(GAUDI_PKT_SHORT_CTL_ADDR_MASK, addr);
ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_BASE_MASK, 2); /* W_S MON base */
ctl |= FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_MSG_SHORT);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_EB_MASK, 0);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_RB_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 0); /* last pkt MB */
pkt->value = cpu_to_le32(value);
pkt->ctl = cpu_to_le32(ctl);
return pkt_size;
}
static u32 gaudi_add_arm_monitor_pkt(struct hl_device *hdev,
struct packet_msg_short *pkt, u16 sob_base, u8 sob_mask,
u16 sob_val, u16 mon_id)
{
u64 monitor_base;
u32 ctl, value, pkt_size = sizeof (*pkt);
u16 msg_addr_offset;
u8 mask;
if (hl_gen_sob_mask(sob_base, sob_mask, &mask)) {
dev_err(hdev->dev,
"sob_base %u (mask %#x) is not valid\n" ,
sob_base, sob_mask);
return 0;
}
/*
* monitor_base should be the content of the base0 address registers,
* so it will be added to the msg short offsets
*/
monitor_base = mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0;
msg_addr_offset =
(mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0 + mon_id * 4) -
monitor_base;
memset(pkt, 0, pkt_size);
/* Monitor config packet: bind the monitor to a sync object */
value = FIELD_PREP(GAUDI_PKT_SHORT_VAL_MON_SYNC_GID_MASK, sob_base / 8);
value |= FIELD_PREP(GAUDI_PKT_SHORT_VAL_MON_SYNC_VAL_MASK, sob_val);
value |= FIELD_PREP(GAUDI_PKT_SHORT_VAL_MON_MODE_MASK,
0); /* GREATER OR EQUAL*/
value |= FIELD_PREP(GAUDI_PKT_SHORT_VAL_MON_MASK_MASK, mask);
ctl = FIELD_PREP(GAUDI_PKT_SHORT_CTL_ADDR_MASK, msg_addr_offset);
ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OP_MASK, 0); /* write the value */
ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_BASE_MASK, 2); /* W_S MON base */
ctl |= FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_MSG_SHORT);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_EB_MASK, 0);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_RB_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
pkt->value = cpu_to_le32(value);
pkt->ctl = cpu_to_le32(ctl);
return pkt_size;
}
static u32 gaudi_add_fence_pkt(struct packet_fence *pkt)
{
u32 ctl, cfg, pkt_size = sizeof (*pkt);
memset(pkt, 0, pkt_size);
cfg = FIELD_PREP(GAUDI_PKT_FENCE_CFG_DEC_VAL_MASK, 1);
cfg |= FIELD_PREP(GAUDI_PKT_FENCE_CFG_TARGET_VAL_MASK, 1);
cfg |= FIELD_PREP(GAUDI_PKT_FENCE_CFG_ID_MASK, 2);
ctl = FIELD_PREP(GAUDI_PKT_CTL_OPCODE_MASK, PACKET_FENCE);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_EB_MASK, 0);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_RB_MASK, 1);
ctl |= FIELD_PREP(GAUDI_PKT_CTL_MB_MASK, 1);
pkt->cfg = cpu_to_le32(cfg);
pkt->ctl = cpu_to_le32(ctl);
return pkt_size;
}
static int gaudi_get_fence_addr(struct hl_device *hdev, u32 queue_id, u64 *addr)
{
u32 offset, nic_index;
switch (queue_id) {
case GAUDI_QUEUE_ID_DMA_0_0:
offset = mmDMA0_QM_CP_FENCE2_RDATA_0;
break ;
case GAUDI_QUEUE_ID_DMA_0_1:
offset = mmDMA0_QM_CP_FENCE2_RDATA_1;
break ;
case GAUDI_QUEUE_ID_DMA_0_2:
offset = mmDMA0_QM_CP_FENCE2_RDATA_2;
break ;
case GAUDI_QUEUE_ID_DMA_0_3:
offset = mmDMA0_QM_CP_FENCE2_RDATA_3;
break ;
case GAUDI_QUEUE_ID_DMA_1_0:
offset = mmDMA1_QM_CP_FENCE2_RDATA_0;
break ;
case GAUDI_QUEUE_ID_DMA_1_1:
offset = mmDMA1_QM_CP_FENCE2_RDATA_1;
break ;
case GAUDI_QUEUE_ID_DMA_1_2:
offset = mmDMA1_QM_CP_FENCE2_RDATA_2;
break ;
case GAUDI_QUEUE_ID_DMA_1_3:
offset = mmDMA1_QM_CP_FENCE2_RDATA_3;
break ;
case GAUDI_QUEUE_ID_DMA_5_0:
offset = mmDMA5_QM_CP_FENCE2_RDATA_0;
break ;
case GAUDI_QUEUE_ID_DMA_5_1:
offset = mmDMA5_QM_CP_FENCE2_RDATA_1;
break ;
case GAUDI_QUEUE_ID_DMA_5_2:
offset = mmDMA5_QM_CP_FENCE2_RDATA_2;
break ;
case GAUDI_QUEUE_ID_DMA_5_3:
offset = mmDMA5_QM_CP_FENCE2_RDATA_3;
break ;
case GAUDI_QUEUE_ID_TPC_7_0:
offset = mmTPC7_QM_CP_FENCE2_RDATA_0;
break ;
case GAUDI_QUEUE_ID_TPC_7_1:
offset = mmTPC7_QM_CP_FENCE2_RDATA_1;
break ;
case GAUDI_QUEUE_ID_TPC_7_2:
offset = mmTPC7_QM_CP_FENCE2_RDATA_2;
break ;
case GAUDI_QUEUE_ID_TPC_7_3:
offset = mmTPC7_QM_CP_FENCE2_RDATA_3;
break ;
case GAUDI_QUEUE_ID_NIC_0_0:
case GAUDI_QUEUE_ID_NIC_1_0:
case GAUDI_QUEUE_ID_NIC_2_0:
case GAUDI_QUEUE_ID_NIC_3_0:
case GAUDI_QUEUE_ID_NIC_4_0:
case GAUDI_QUEUE_ID_NIC_5_0:
case GAUDI_QUEUE_ID_NIC_6_0:
case GAUDI_QUEUE_ID_NIC_7_0:
case GAUDI_QUEUE_ID_NIC_8_0:
case GAUDI_QUEUE_ID_NIC_9_0:
nic_index = (queue_id - GAUDI_QUEUE_ID_NIC_0_0) >> 2;
offset = mmNIC0_QM0_CP_FENCE2_RDATA_0 +
(nic_index >> 1) * NIC_MACRO_QMAN_OFFSET +
(nic_index & 0x1) * NIC_ENGINE_QMAN_OFFSET;
break ;
case GAUDI_QUEUE_ID_NIC_0_1:
case GAUDI_QUEUE_ID_NIC_1_1:
case GAUDI_QUEUE_ID_NIC_2_1:
case GAUDI_QUEUE_ID_NIC_3_1:
case GAUDI_QUEUE_ID_NIC_4_1:
case GAUDI_QUEUE_ID_NIC_5_1:
case GAUDI_QUEUE_ID_NIC_6_1:
case GAUDI_QUEUE_ID_NIC_7_1:
case GAUDI_QUEUE_ID_NIC_8_1:
case GAUDI_QUEUE_ID_NIC_9_1:
nic_index = (queue_id - GAUDI_QUEUE_ID_NIC_0_1) >> 2;
offset = mmNIC0_QM0_CP_FENCE2_RDATA_1 +
(nic_index >> 1) * NIC_MACRO_QMAN_OFFSET +
(nic_index & 0x1) * NIC_ENGINE_QMAN_OFFSET;
break ;
case GAUDI_QUEUE_ID_NIC_0_2:
case GAUDI_QUEUE_ID_NIC_1_2:
case GAUDI_QUEUE_ID_NIC_2_2:
case GAUDI_QUEUE_ID_NIC_3_2:
case GAUDI_QUEUE_ID_NIC_4_2:
case GAUDI_QUEUE_ID_NIC_5_2:
case GAUDI_QUEUE_ID_NIC_6_2:
case GAUDI_QUEUE_ID_NIC_7_2:
case GAUDI_QUEUE_ID_NIC_8_2:
case GAUDI_QUEUE_ID_NIC_9_2:
nic_index = (queue_id - GAUDI_QUEUE_ID_NIC_0_2) >> 2;
offset = mmNIC0_QM0_CP_FENCE2_RDATA_2 +
(nic_index >> 1) * NIC_MACRO_QMAN_OFFSET +
(nic_index & 0x1) * NIC_ENGINE_QMAN_OFFSET;
break ;
case GAUDI_QUEUE_ID_NIC_0_3:
case GAUDI_QUEUE_ID_NIC_1_3:
case GAUDI_QUEUE_ID_NIC_2_3:
case GAUDI_QUEUE_ID_NIC_3_3:
case GAUDI_QUEUE_ID_NIC_4_3:
case GAUDI_QUEUE_ID_NIC_5_3:
case GAUDI_QUEUE_ID_NIC_6_3:
case GAUDI_QUEUE_ID_NIC_7_3:
case GAUDI_QUEUE_ID_NIC_8_3:
case GAUDI_QUEUE_ID_NIC_9_3:
nic_index = (queue_id - GAUDI_QUEUE_ID_NIC_0_3) >> 2;
offset = mmNIC0_QM0_CP_FENCE2_RDATA_3 +
(nic_index >> 1) * NIC_MACRO_QMAN_OFFSET +
(nic_index & 0x1) * NIC_ENGINE_QMAN_OFFSET;
break ;
default :
return -EINVAL;
}
*addr = CFG_BASE + offset;
return 0;
}
static u32 gaudi_add_mon_pkts(void *buf, u16 mon_id, u64 fence_addr)
{
u64 monitor_base;
u32 size = 0;
u16 msg_addr_offset;
/*
* monitor_base should be the content of the base0 address registers,
* so it will be added to the msg short offsets
*/
monitor_base = mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0;
/* First monitor config packet: low address of the sync */
msg_addr_offset =
(mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0 + mon_id * 4) -
monitor_base;
size += gaudi_add_mon_msg_short(buf + size, (u32) fence_addr,
msg_addr_offset);
/* Second monitor config packet: high address of the sync */
msg_addr_offset =
(mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRH_0 + mon_id * 4) -
monitor_base;
size += gaudi_add_mon_msg_short(buf + size, (u32) (fence_addr >> 32),
msg_addr_offset);
/*
* Third monitor config packet: the payload, i.e. what to write when the
* sync triggers
*/
msg_addr_offset =
(mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_DATA_0 + mon_id * 4) -
monitor_base;
size += gaudi_add_mon_msg_short(buf + size, 1, msg_addr_offset);
return size;
}
static u32 gaudi_gen_wait_cb(struct hl_device *hdev,
struct hl_gen_wait_properties *prop)
{
struct hl_cb *cb = (struct hl_cb *) prop->data;
void *buf = cb->kernel_address;
u64 fence_addr = 0;
u32 size = prop->size;
if (gaudi_get_fence_addr(hdev, prop->q_idx, &fence_addr)) {
dev_crit(hdev->dev, "wrong queue id %d for wait packet\n" ,
prop->q_idx);
return 0;
}
size += gaudi_add_mon_pkts(buf + size, prop->mon_id, fence_addr);
size += gaudi_add_arm_monitor_pkt(hdev, buf + size, prop->sob_base,
prop->sob_mask, prop->sob_val, prop->mon_id);
size += gaudi_add_fence_pkt(buf + size);
return size;
}
static void gaudi_reset_sob(struct hl_device *hdev, void *data)
{
struct hl_hw_sob *hw_sob = (struct hl_hw_sob *) data;
dev_dbg(hdev->dev, "reset SOB, q_idx: %d, sob_id: %d\n" , hw_sob->q_idx,
hw_sob->sob_id);
WREG32(mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0 +
hw_sob->sob_id * 4, 0);
kref_init(&hw_sob->kref);
}
static u64 gaudi_get_device_time(struct hl_device *hdev)
{
u64 device_time = ((u64) RREG32(mmPSOC_TIMESTAMP_CNTCVU)) << 32;
return device_time | RREG32(mmPSOC_TIMESTAMP_CNTCVL);
}
static int gaudi_get_hw_block_id(struct hl_device *hdev, u64 block_addr,
u32 *block_size, u32 *block_id)
{
return -EPERM;
}
static int gaudi_block_mmap(struct hl_device *hdev,
struct vm_area_struct *vma,
u32 block_id, u32 block_size)
{
return -EPERM;
}
static void gaudi_enable_events_from_fw(struct hl_device *hdev)
{
struct cpu_dyn_regs *dyn_regs =
&hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
u32 irq_handler_offset = hdev->asic_prop.gic_interrupts_enable ?
mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR :
le32_to_cpu(dyn_regs->gic_host_ints_irq);
WREG32(irq_handler_offset,
gaudi_irq_map_table[GAUDI_EVENT_INTS_REGISTER].cpu_id);
}
static int gaudi_ack_mmu_page_fault_or_access_error(struct hl_device *hdev, u64 mmu_cap_mask)
{
return -EINVAL;
}
static int gaudi_map_pll_idx_to_fw_idx(u32 pll_idx)
{
switch (pll_idx) {
case HL_GAUDI_CPU_PLL: return CPU_PLL;
case HL_GAUDI_PCI_PLL: return PCI_PLL;
case HL_GAUDI_NIC_PLL: return NIC_PLL;
case HL_GAUDI_DMA_PLL: return DMA_PLL;
case HL_GAUDI_MESH_PLL: return MESH_PLL;
case HL_GAUDI_MME_PLL: return MME_PLL;
case HL_GAUDI_TPC_PLL: return TPC_PLL;
case HL_GAUDI_IF_PLL: return IF_PLL;
case HL_GAUDI_SRAM_PLL: return SRAM_PLL;
case HL_GAUDI_HBM_PLL: return HBM_PLL;
default : return -EINVAL;
}
}
static int gaudi_add_sync_to_engine_map_entry(
struct hl_sync_to_engine_map *map, u32 reg_value,
enum hl_sync_engine_type engine_type, u32 engine_id)
{
struct hl_sync_to_engine_map_entry *entry;
/* Reg value represents a partial address of sync object,
* it is used as unique identifier. For this we need to
* clear the cutoff cfg base bits from the value.
*/
if (reg_value == 0 || reg_value == 0xffffffff)
return 0;
reg_value -= lower_32_bits(CFG_BASE);
/* create a new hash entry */
entry = kzalloc(sizeof (*entry), GFP_KERNEL);
if (!entry)
return -ENOMEM;
entry->engine_type = engine_type;
entry->engine_id = engine_id;
entry->sync_id = reg_value;
hash_add(map->tb, &entry->node, reg_value);
return 0;
}
static int gaudi_gen_sync_to_engine_map(struct hl_device *hdev,
struct hl_sync_to_engine_map *map)
{
struct hl_state_dump_specs *sds = &hdev->state_dump_specs;
int i, j, rc;
u32 reg_value;
/* Iterate over TPC engines */
for (i = 0; i < sds->props[SP_NUM_OF_TPC_ENGINES]; ++i) {
reg_value = RREG32(sds->props[SP_TPC0_CFG_SO] +
sds->props[SP_NEXT_TPC] * i);
rc = gaudi_add_sync_to_engine_map_entry(map, reg_value,
ENGINE_TPC, i);
if (rc)
goto free_sync_to_engine_map;
}
/* Iterate over MME engines */
for (i = 0; i < sds->props[SP_NUM_OF_MME_ENGINES]; ++i) {
for (j = 0; j < sds->props[SP_SUB_MME_ENG_NUM]; ++j) {
reg_value = RREG32(sds->props[SP_MME_CFG_SO] +
sds->props[SP_NEXT_MME] * i +
j * sizeof (u32));
rc = gaudi_add_sync_to_engine_map_entry(
map, reg_value, ENGINE_MME,
i * sds->props[SP_SUB_MME_ENG_NUM] + j);
if (rc)
goto free_sync_to_engine_map;
}
}
/* Iterate over DMA engines */
for (i = 0; i < sds->props[SP_NUM_OF_DMA_ENGINES]; ++i) {
reg_value = RREG32(sds->props[SP_DMA_CFG_SO] +
sds->props[SP_DMA_QUEUES_OFFSET] * i);
rc = gaudi_add_sync_to_engine_map_entry(map, reg_value,
ENGINE_DMA, i);
if (rc)
goto free_sync_to_engine_map;
}
return 0;
free_sync_to_engine_map:
hl_state_dump_free_sync_to_engine_map(map);
return rc;
}
static int gaudi_monitor_valid(struct hl_mon_state_dump *mon)
{
return FIELD_GET(
SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_STATUS_0_VALID_MASK,
mon->status);
}
static void gaudi_fill_sobs_from_mon(char *sobs, struct hl_mon_state_dump *mon)
{
const size_t max_write = 10;
u32 gid, mask, sob;
int i, offset;
/* Sync object ID is calculated as follows:
* (8 * group_id + cleared bits in mask)
*/
gid = FIELD_GET(SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0_SID_MASK,
mon->arm_data);
mask = FIELD_GET(SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0_MASK_MASK,
mon->arm_data);
for (i = 0, offset = 0; mask && offset < MONITOR_SOB_STRING_SIZE -
max_write; mask >>= 1, i++) {
if (!(mask & 1)) {
sob = gid * MONITOR_MAX_SOBS + i;
if (offset > 0)
offset += snprintf(sobs + offset, max_write,
", " );
offset += snprintf(sobs + offset, max_write, "%u" , sob);
}
}
}
static int gaudi_print_single_monitor(char **buf, size_t *size, size_t *offset,
struct hl_device *hdev,
struct hl_mon_state_dump *mon)
{
const char *name;
char scratch_buf1[BIN_REG_STRING_SIZE],
scratch_buf2[BIN_REG_STRING_SIZE];
char monitored_sobs[MONITOR_SOB_STRING_SIZE] = {0};
name = hl_state_dump_get_monitor_name(hdev, mon);
if (!name)
name = "" ;
gaudi_fill_sobs_from_mon(monitored_sobs, mon);
return hl_snprintf_resize(
buf, size, offset,
"Mon id: %u%s, wait for group id: %u mask %s to reach val: %u and write %u to address 0x%llx. Pending: %s. Means sync objects [%s] are being monitored." ,
mon->id, name,
FIELD_GET(SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0_SID_MASK,
mon->arm_data),
hl_format_as_binary(
scratch_buf1, sizeof (scratch_buf1),
FIELD_GET(
SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0_MASK_MASK,
mon->arm_data)),
FIELD_GET(SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0_SOD_MASK,
mon->arm_data),
mon->wr_data,
(((u64)mon->wr_addr_high) << 32) | mon->wr_addr_low,
hl_format_as_binary(
scratch_buf2, sizeof (scratch_buf2),
FIELD_GET(
SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_STATUS_0_PENDING_MASK,
mon->status)),
monitored_sobs);
}
static int gaudi_print_fences_single_engine(
struct hl_device *hdev, u64 base_offset, u64 status_base_offset,
enum hl_sync_engine_type engine_type, u32 engine_id, char **buf,
size_t *size, size_t *offset)
{
struct hl_state_dump_specs *sds = &hdev->state_dump_specs;
int rc = -ENOMEM, i;
u32 *statuses, *fences;
statuses = kcalloc(sds->props[SP_ENGINE_NUM_OF_QUEUES],
sizeof (*statuses), GFP_KERNEL);
if (!statuses)
goto out;
fences = kcalloc(sds->props[SP_ENGINE_NUM_OF_FENCES] *
sds->props[SP_ENGINE_NUM_OF_QUEUES],
sizeof (*fences), GFP_KERNEL);
if (!fences)
goto free_status;
for (i = 0; i < sds->props[SP_ENGINE_NUM_OF_FENCES]; ++i)
statuses[i] = RREG32(status_base_offset + i * sizeof (u32));
for (i = 0; i < sds->props[SP_ENGINE_NUM_OF_FENCES] *
sds->props[SP_ENGINE_NUM_OF_QUEUES]; ++i)
fences[i] = RREG32(base_offset + i * sizeof (u32));
/* The actual print */
for (i = 0; i < sds->props[SP_ENGINE_NUM_OF_QUEUES]; ++i) {
u32 fence_id;
u64 fence_cnt, fence_rdata;
const char *engine_name;
if (!FIELD_GET(TPC0_QM_CP_STS_0_FENCE_IN_PROGRESS_MASK,
statuses[i]))
continue ;
fence_id =
FIELD_GET(TPC0_QM_CP_STS_0_FENCE_ID_MASK, statuses[i]);
fence_cnt = base_offset + CFG_BASE +
sizeof (u32) *
(i + fence_id * sds->props[SP_ENGINE_NUM_OF_QUEUES]);
fence_rdata = fence_cnt - sds->props[SP_FENCE0_CNT_OFFSET] +
sds->props[SP_FENCE0_RDATA_OFFSET];
engine_name = hl_sync_engine_to_string(engine_type);
rc = hl_snprintf_resize(
buf, size, offset,
"%s%u, stream %u: fence id %u cnt = 0x%llx (%s%u_QM.CP_FENCE%u_CNT_%u) rdata = 0x%llx (%s%u_QM.CP_FENCE%u_RDATA_%u) value = %u, cp_status = %u\n" ,
engine_name, engine_id,
i, fence_id,
fence_cnt, engine_name, engine_id, fence_id, i,
fence_rdata, engine_name, engine_id, fence_id, i,
fences[fence_id],
statuses[i]);
if (rc)
goto free_fences;
}
rc = 0;
free_fences:
kfree(fences);
free_status:
kfree(statuses);
out:
return rc;
}
static struct hl_state_dump_specs_funcs gaudi_state_dump_funcs = {
.monitor_valid = gaudi_monitor_valid,
.print_single_monitor = gaudi_print_single_monitor,
.gen_sync_to_engine_map = gaudi_gen_sync_to_engine_map,
.print_fences_single_engine = gaudi_print_fences_single_engine,
};
static void gaudi_state_dump_init(struct hl_device *hdev)
{
struct hl_state_dump_specs *sds = &hdev->state_dump_specs;
int i;
for (i = 0; i < ARRAY_SIZE(gaudi_so_id_to_str); ++i)
hash_add(sds->so_id_to_str_tb,
&gaudi_so_id_to_str[i].node,
gaudi_so_id_to_str[i].id);
for (i = 0; i < ARRAY_SIZE(gaudi_monitor_id_to_str); ++i)
hash_add(sds->monitor_id_to_str_tb,
&gaudi_monitor_id_to_str[i].node,
gaudi_monitor_id_to_str[i].id);
sds->props = gaudi_state_dump_specs_props;
sds->sync_namager_names = gaudi_sync_manager_names;
sds->funcs = gaudi_state_dump_funcs;
}
static u32 *gaudi_get_stream_master_qid_arr(void )
{
return gaudi_stream_master;
}
static int gaudi_set_dram_properties(struct hl_device *hdev)
{
return 0;
}
static int gaudi_set_binning_masks(struct hl_device *hdev)
{
return 0;
}
static void gaudi_check_if_razwi_happened(struct hl_device *hdev)
{
}
static ssize_t infineon_ver_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hl_device *hdev = dev_get_drvdata(dev);
struct cpucp_info *cpucp_info;
cpucp_info = &hdev->asic_prop.cpucp_info;
return sprintf(buf, "%#04x\n" , le32_to_cpu(cpucp_info->infineon_version));
}
static DEVICE_ATTR_RO(infineon_ver);
static struct attribute *gaudi_vrm_dev_attrs[] = {
&dev_attr_infineon_ver.attr,
NULL,
};
static void gaudi_add_device_attr(struct hl_device *hdev, struct attribute_group *dev_clk_attr_grp,
struct attribute_group *dev_vrm_attr_grp)
{
hl_sysfs_add_dev_clk_attr(hdev, dev_clk_attr_grp);
dev_vrm_attr_grp->attrs = gaudi_vrm_dev_attrs;
}
static int gaudi_send_device_activity(struct hl_device *hdev, bool open)
{
return 0;
}
static const struct hl_asic_funcs gaudi_funcs = {
.early_init = gaudi_early_init,
.early_fini = gaudi_early_fini,
.late_init = gaudi_late_init,
.late_fini = gaudi_late_fini,
.sw_init = gaudi_sw_init,
.sw_fini = gaudi_sw_fini,
.hw_init = gaudi_hw_init,
.hw_fini = gaudi_hw_fini,
.halt_engines = gaudi_halt_engines,
.suspend = gaudi_suspend,
.resume = gaudi_resume,
.mmap = gaudi_mmap,
.ring_doorbell = gaudi_ring_doorbell,
.pqe_write = gaudi_pqe_write,
.asic_dma_alloc_coherent = gaudi_dma_alloc_coherent,
.asic_dma_free_coherent = gaudi_dma_free_coherent,
.scrub_device_mem = gaudi_scrub_device_mem,
.scrub_device_dram = gaudi_scrub_device_dram,
.get_int_queue_base = gaudi_get_int_queue_base,
.test_queues = gaudi_test_queues,
.asic_dma_pool_zalloc = gaudi_dma_pool_zalloc,
.asic_dma_pool_free = gaudi_dma_pool_free,
.cpu_accessible_dma_pool_alloc = gaudi_cpu_accessible_dma_pool_alloc,
.cpu_accessible_dma_pool_free = gaudi_cpu_accessible_dma_pool_free,
.dma_unmap_sgtable = hl_asic_dma_unmap_sgtable,
.cs_parser = gaudi_cs_parser,
.dma_map_sgtable = hl_asic_dma_map_sgtable,
.add_end_of_cb_packets = gaudi_add_end_of_cb_packets,
.update_eq_ci = gaudi_update_eq_ci,
.context_switch = gaudi_context_switch,
.restore_phase_topology = gaudi_restore_phase_topology,
.debugfs_read_dma = gaudi_debugfs_read_dma,
.add_device_attr = gaudi_add_device_attr,
.handle_eqe = gaudi_handle_eqe,
.get_events_stat = gaudi_get_events_stat,
.read_pte = gaudi_read_pte,
.write_pte = gaudi_write_pte,
.mmu_invalidate_cache = gaudi_mmu_invalidate_cache,
.mmu_invalidate_cache_range = gaudi_mmu_invalidate_cache_range,
.mmu_prefetch_cache_range = NULL,
.send_heartbeat = gaudi_send_heartbeat,
.debug_coresight = gaudi_debug_coresight,
.is_device_idle = gaudi_is_device_idle,
.compute_reset_late_init = gaudi_compute_reset_late_init,
.hw_queues_lock = gaudi_hw_queues_lock,
.hw_queues_unlock = gaudi_hw_queues_unlock,
.get_pci_id = gaudi_get_pci_id,
.get_eeprom_data = gaudi_get_eeprom_data,
.get_monitor_dump = gaudi_get_monitor_dump,
.send_cpu_message = gaudi_send_cpu_message,
.pci_bars_map = gaudi_pci_bars_map,
.init_iatu = gaudi_init_iatu,
.rreg = hl_rreg,
.wreg = hl_wreg,
.halt_coresight = gaudi_halt_coresight,
.ctx_init = gaudi_ctx_init,
.ctx_fini = gaudi_ctx_fini,
.pre_schedule_cs = gaudi_pre_schedule_cs,
.get_queue_id_for_cq = gaudi_get_queue_id_for_cq,
.load_firmware_to_device = gaudi_load_firmware_to_device,
.load_boot_fit_to_device = gaudi_load_boot_fit_to_device,
.get_signal_cb_size = gaudi_get_signal_cb_size,
.get_wait_cb_size = gaudi_get_wait_cb_size,
.gen_signal_cb = gaudi_gen_signal_cb,
.gen_wait_cb = gaudi_gen_wait_cb,
.reset_sob = gaudi_reset_sob,
.reset_sob_group = gaudi_reset_sob_group,
.get_device_time = gaudi_get_device_time,
.pb_print_security_errors = NULL,
.collective_wait_init_cs = gaudi_collective_wait_init_cs,
.collective_wait_create_jobs = gaudi_collective_wait_create_jobs,
.get_dec_base_addr = NULL,
.scramble_addr = hl_mmu_scramble_addr,
.descramble_addr = hl_mmu_descramble_addr,
.ack_protection_bits_errors = gaudi_ack_protection_bits_errors,
.get_hw_block_id = gaudi_get_hw_block_id,
.hw_block_mmap = gaudi_block_mmap,
.enable_events_from_fw = gaudi_enable_events_from_fw,
.ack_mmu_errors = gaudi_ack_mmu_page_fault_or_access_error,
.map_pll_idx_to_fw_idx = gaudi_map_pll_idx_to_fw_idx,
.init_firmware_preload_params = gaudi_init_firmware_preload_params,
.init_firmware_loader = gaudi_init_firmware_loader,
.init_cpu_scrambler_dram = gaudi_init_scrambler_hbm,
.state_dump_init = gaudi_state_dump_init,
.get_sob_addr = gaudi_get_sob_addr,
.set_pci_memory_regions = gaudi_set_pci_memory_regions,
.get_stream_master_qid_arr = gaudi_get_stream_master_qid_arr,
.check_if_razwi_happened = gaudi_check_if_razwi_happened,
.mmu_get_real_page_size = hl_mmu_get_real_page_size,
.access_dev_mem = hl_access_dev_mem,
.set_dram_bar_base = gaudi_set_hbm_bar_base,
.send_device_activity = gaudi_send_device_activity,
.set_dram_properties = gaudi_set_dram_properties,
.set_binning_masks = gaudi_set_binning_masks,
};
/**
* gaudi_set_asic_funcs - set GAUDI function pointers
*
* @hdev: pointer to hl_device structure
*
*/
void gaudi_set_asic_funcs(struct hl_device *hdev)
{
hdev->asic_funcs = &gaudi_funcs;
}
Messung V0.5 in Prozent C=97 H=91 G=93
¤ Dauer der Verarbeitung: 0.183 Sekunden
(vorverarbeitet am 2026-04-28)
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