// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2017 Hisilicon Limited.
*/
#include <linux/sched/clock.h>
#include "hisi_sas.h"
#define DRV_NAME "hisi_sas_v3_hw"
/* global registers need init */
#define DLVRY_QUEUE_ENABLE 0x0
#define IOST_BASE_ADDR_LO 0x8
#define IOST_BASE_ADDR_HI 0xc
#define ITCT_BASE_ADDR_LO 0x10
#define ITCT_BASE_ADDR_HI 0x14
#define IO_BROKEN_MSG_ADDR_LO 0x18
#define IO_BROKEN_MSG_ADDR_HI 0x1c
#define PHY_CONTEXT 0x20
#define PHY_STATE 0x24
#define PHY_PORT_NUM_MA 0x28
#define PHY_CONN_RATE 0x30
#define ITCT_CLR 0x44
#define ITCT_CLR_EN_OFF 16
#define ITCT_CLR_EN_MSK (0x1 << ITCT_CLR_EN_OFF)
#define ITCT_DEV_OFF 0
#define ITCT_DEV_MSK (0x7ff << ITCT_DEV_OFF)
#define SAS_AXI_USER3 0x50
#define IO_SATA_BROKEN_MSG_ADDR_LO 0x58
#define IO_SATA_BROKEN_MSG_ADDR_HI 0x5c
#define SATA_INITI_D2H_STORE_ADDR_LO 0x60
#define SATA_INITI_D2H_STORE_ADDR_HI 0x64
#define CFG_MAX_TAG 0x68
#define TRANS_LOCK_ICT_TIME 0X70
#define HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL 0x84
#define HGC_SAS_TXFAIL_RETRY_CTRL 0x88
#define HGC_GET_ITV_TIME 0x90
#define DEVICE_MSG_WORK_MODE 0x94
#define OPENA_WT_CONTI_TIME 0x9c
#define I_T_NEXUS_LOSS_TIME 0xa0
#define MAX_CON_TIME_LIMIT_TIME 0xa4
#define BUS_INACTIVE_LIMIT_TIME 0xa8
#define REJECT_TO_OPEN_LIMIT_TIME 0xac
#define CQ_INT_CONVERGE_EN 0xb0
#define CFG_AGING_TIME 0xbc
#define HGC_DFX_CFG2 0xc0
#define CFG_ICT_TIMER_STEP_TRSH 0xc8
#define CFG_ABT_SET_QUERY_IPTT 0xd4
#define CFG_SET_ABORTED_IPTT_OFF 0
#define CFG_SET_ABORTED_IPTT_MSK (0xfff << CFG_SET_ABORTED_IPTT_OFF)
#define CFG_SET_ABORTED_EN_OFF 12
#define CFG_ABT_SET_IPTT_DONE 0xd8
#define CFG_ABT_SET_IPTT_DONE_OFF 0
#define HGC_IOMB_PROC1_STATUS 0x104
#define HGC_LM_DFX_STATUS2 0x128
#define HGC_LM_DFX_STATUS2_IOSTLIST_OFF 0
#define HGC_LM_DFX_STATUS2_IOSTLIST_MSK (0xfff << \
HGC_LM_DFX_STATUS2_IOSTLIST_OFF)
#define HGC_LM_DFX_STATUS2_ITCTLIST_OFF 12
#define HGC_LM_DFX_STATUS2_ITCTLIST_MSK (0x7ff << \
HGC_LM_DFX_STATUS2_ITCTLIST_OFF)
#define HGC_CQE_ECC_ADDR 0x13c
#define HGC_CQE_ECC_1B_ADDR_OFF 0
#define HGC_CQE_ECC_1B_ADDR_MSK (0x3f << HGC_CQE_ECC_1B_ADDR_OFF)
#define HGC_CQE_ECC_MB_ADDR_OFF 8
#define HGC_CQE_ECC_MB_ADDR_MSK (0x3f << HGC_CQE_ECC_MB_ADDR_OFF)
#define HGC_IOST_ECC_ADDR 0x140
#define HGC_IOST_ECC_1B_ADDR_OFF 0
#define HGC_IOST_ECC_1B_ADDR_MSK (0x3ff << HGC_IOST_ECC_1B_ADDR_OFF)
#define HGC_IOST_ECC_MB_ADDR_OFF 16
#define HGC_IOST_ECC_MB_ADDR_MSK (0x3ff << HGC_IOST_ECC_MB_ADDR_OFF)
#define HGC_DQE_ECC_ADDR 0x144
#define HGC_DQE_ECC_1B_ADDR_OFF 0
#define HGC_DQE_ECC_1B_ADDR_MSK (0xfff << HGC_DQE_ECC_1B_ADDR_OFF)
#define HGC_DQE_ECC_MB_ADDR_OFF 16
#define HGC_DQE_ECC_MB_ADDR_MSK (0xfff << HGC_DQE_ECC_MB_ADDR_OFF)
#define CHNL_INT_STATUS 0x148
#define TAB_DFX 0x14c
#define HGC_ITCT_ECC_ADDR 0x150
#define HGC_ITCT_ECC_1B_ADDR_OFF 0
#define HGC_ITCT_ECC_1B_ADDR_MSK (0x3ff << \
HGC_ITCT_ECC_1B_ADDR_OFF)
#define HGC_ITCT_ECC_MB_ADDR_OFF 16
#define HGC_ITCT_ECC_MB_ADDR_MSK (0x3ff << \
HGC_ITCT_ECC_MB_ADDR_OFF)
#define HGC_AXI_FIFO_ERR_INFO 0x154
#define AXI_ERR_INFO_OFF 0
#define AXI_ERR_INFO_MSK (0xff << AXI_ERR_INFO_OFF)
#define FIFO_ERR_INFO_OFF 8
#define FIFO_ERR_INFO_MSK (0xff << FIFO_ERR_INFO_OFF)
#define TAB_RD_TYPE 0x15c
#define INT_COAL_EN 0x19c
#define OQ_INT_COAL_TIME 0x1a0
#define OQ_INT_COAL_CNT 0x1a4
#define ENT_INT_COAL_TIME 0x1a8
#define ENT_INT_COAL_CNT 0x1ac
#define OQ_INT_SRC 0x1b0
#define OQ_INT_SRC_MSK 0x1b4
#define ENT_INT_SRC1 0x1b8
#define ENT_INT_SRC1_D2H_FIS_CH0_OFF 0
#define ENT_INT_SRC1_D2H_FIS_CH0_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH0_OFF)
#define ENT_INT_SRC1_D2H_FIS_CH1_OFF 8
#define ENT_INT_SRC1_D2H_FIS_CH1_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH1_OFF)
#define ENT_INT_SRC2 0x1bc
#define ENT_INT_SRC3 0x1c0
#define ENT_INT_SRC3_WP_DEPTH_OFF 8
#define ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF 9
#define ENT_INT_SRC3_RP_DEPTH_OFF 10
#define ENT_INT_SRC3_AXI_OFF 11
#define ENT_INT_SRC3_FIFO_OFF 12
#define ENT_INT_SRC3_LM_OFF 14
#define ENT_INT_SRC3_ITC_INT_OFF 15
#define ENT_INT_SRC3_ITC_INT_MSK (0x1 << ENT_INT_SRC3_ITC_INT_OFF)
#define ENT_INT_SRC3_ABT_OFF 16
#define ENT_INT_SRC3_DQE_POISON_OFF 18
#define ENT_INT_SRC3_IOST_POISON_OFF 19
#define ENT_INT_SRC3_ITCT_POISON_OFF 20
#define ENT_INT_SRC3_ITCT_NCQ_POISON_OFF 21
#define ENT_INT_SRC_MSK1 0x1c4
#define ENT_INT_SRC_MSK2 0x1c8
#define ENT_INT_SRC_MSK3 0x1cc
#define ENT_INT_SRC_MSK3_ENT95_MSK_OFF 31
#define CHNL_PHYUPDOWN_INT_MSK 0x1d0
#define CHNL_ENT_INT_MSK 0x1d4
#define HGC_COM_INT_MSK 0x1d8
#define ENT_INT_SRC_MSK3_ENT95_MSK_MSK (0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF)
#define SAS_ECC_INTR 0x1e8
#define SAS_ECC_INTR_DQE_ECC_1B_OFF 0
#define SAS_ECC_INTR_DQE_ECC_MB_OFF 1
#define SAS_ECC_INTR_IOST_ECC_1B_OFF 2
#define SAS_ECC_INTR_IOST_ECC_MB_OFF 3
#define SAS_ECC_INTR_ITCT_ECC_1B_OFF 4
#define SAS_ECC_INTR_ITCT_ECC_MB_OFF 5
#define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF 6
#define SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF 7
#define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF 8
#define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF 9
#define SAS_ECC_INTR_CQE_ECC_1B_OFF 10
#define SAS_ECC_INTR_CQE_ECC_MB_OFF 11
#define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF 12
#define SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF 13
#define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF 14
#define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF 15
#define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF 16
#define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF 17
#define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF 18
#define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF 19
#define SAS_ECC_INTR_OOO_RAM_ECC_1B_OFF 20
#define SAS_ECC_INTR_OOO_RAM_ECC_MB_OFF 21
#define SAS_ECC_INTR_MSK 0x1ec
#define HGC_ERR_STAT_EN 0x238
#define CQE_SEND_CNT 0x248
#define DLVRY_Q_0_BASE_ADDR_LO 0x260
#define DLVRY_Q_0_BASE_ADDR_HI 0x264
#define DLVRY_Q_0_DEPTH 0x268
#define DLVRY_Q_0_WR_PTR 0x26c
#define DLVRY_Q_0_RD_PTR 0x270
#define HYPER_STREAM_ID_EN_CFG 0xc80
#define OQ0_INT_SRC_MSK 0xc90
#define COMPL_Q_0_BASE_ADDR_LO 0x4e0
#define COMPL_Q_0_BASE_ADDR_HI 0x4e4
#define COMPL_Q_0_DEPTH 0x4e8
#define COMPL_Q_0_WR_PTR 0x4ec
#define COMPL_Q_0_RD_PTR 0x4f0
#define HGC_RXM_DFX_STATUS14 0xae8
#define HGC_RXM_DFX_STATUS14_MEM0_OFF 0
#define HGC_RXM_DFX_STATUS14_MEM0_MSK (0x1ff << \
HGC_RXM_DFX_STATUS14_MEM0_OFF)
#define HGC_RXM_DFX_STATUS14_MEM1_OFF 9
#define HGC_RXM_DFX_STATUS14_MEM1_MSK (0x1ff << \
HGC_RXM_DFX_STATUS14_MEM1_OFF)
#define HGC_RXM_DFX_STATUS14_MEM2_OFF 18
#define HGC_RXM_DFX_STATUS14_MEM2_MSK (0x1ff << \
HGC_RXM_DFX_STATUS14_MEM2_OFF)
#define HGC_RXM_DFX_STATUS15 0xaec
#define HGC_RXM_DFX_STATUS15_MEM3_OFF 0
#define HGC_RXM_DFX_STATUS15_MEM3_MSK (0x1ff << \
HGC_RXM_DFX_STATUS15_MEM3_OFF)
#define AWQOS_AWCACHE_CFG 0xc84
#define ARQOS_ARCACHE_CFG 0xc88
#define HILINK_ERR_DFX 0xe04
#define SAS_GPIO_CFG_0 0x1000
#define SAS_GPIO_CFG_1 0x1004
#define SAS_GPIO_TX_0_1 0x1040
#define SAS_CFG_DRIVE_VLD 0x1070
/* phy registers requiring init */
#define PORT_BASE (0x2000)
#define PHY_CFG (PORT_BASE + 0x0)
#define HARD_PHY_LINKRATE (PORT_BASE + 0x4)
#define PHY_CFG_ENA_OFF 0
#define PHY_CFG_ENA_MSK (0x1 << PHY_CFG_ENA_OFF)
#define PHY_CFG_DC_OPT_OFF 2
#define PHY_CFG_DC_OPT_MSK (0x1 << PHY_CFG_DC_OPT_OFF)
#define PHY_CFG_PHY_RST_OFF 3
#define PHY_CFG_PHY_RST_MSK (0x1 << PHY_CFG_PHY_RST_OFF)
#define PROG_PHY_LINK_RATE (PORT_BASE + 0x8)
#define CFG_PROG_PHY_LINK_RATE_OFF 0
#define CFG_PROG_PHY_LINK_RATE_MSK (0xff << CFG_PROG_PHY_LINK_RATE_OFF)
#define CFG_PROG_OOB_PHY_LINK_RATE_OFF 8
#define CFG_PROG_OOB_PHY_LINK_RATE_MSK (0xf << CFG_PROG_OOB_PHY_LINK_RATE_OFF)
#define PHY_CTRL (PORT_BASE + 0x14)
#define PHY_CTRL_RESET_OFF 0
#define PHY_CTRL_RESET_MSK (0x1 << PHY_CTRL_RESET_OFF)
#define CMD_HDR_PIR_OFF 8
#define CMD_HDR_PIR_MSK (0x1 << CMD_HDR_PIR_OFF)
#define SERDES_CFG (PORT_BASE + 0x1c)
#define CFG_ALOS_CHK_DISABLE_OFF 9
#define CFG_ALOS_CHK_DISABLE_MSK (0x1 << CFG_ALOS_CHK_DISABLE_OFF)
#define SAS_PHY_BIST_CTRL (PORT_BASE + 0x2c)
#define CFG_BIST_MODE_SEL_OFF 0
#define CFG_BIST_MODE_SEL_MSK (0xf << CFG_BIST_MODE_SEL_OFF)
#define CFG_LOOP_TEST_MODE_OFF 14
#define CFG_LOOP_TEST_MODE_MSK (0x3 << CFG_LOOP_TEST_MODE_OFF)
#define CFG_RX_BIST_EN_OFF 16
#define CFG_RX_BIST_EN_MSK (0x1 << CFG_RX_BIST_EN_OFF)
#define CFG_TX_BIST_EN_OFF 17
#define CFG_TX_BIST_EN_MSK (0x1 << CFG_TX_BIST_EN_OFF)
#define CFG_BIST_TEST_OFF 18
#define CFG_BIST_TEST_MSK (0x1 << CFG_BIST_TEST_OFF)
#define SAS_PHY_BIST_CODE (PORT_BASE + 0x30)
#define SAS_PHY_BIST_CODE1 (PORT_BASE + 0x34)
#define SAS_BIST_ERR_CNT (PORT_BASE + 0x38)
#define SL_CFG (PORT_BASE + 0x84)
#define AIP_LIMIT (PORT_BASE + 0x90)
#define SL_CONTROL (PORT_BASE + 0x94)
#define SL_CONTROL_NOTIFY_EN_OFF 0
#define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
#define SL_CTA_OFF 17
#define SL_CTA_MSK (0x1 << SL_CTA_OFF)
#define RX_PRIMS_STATUS (PORT_BASE + 0x98)
#define RX_BCAST_CHG_OFF 1
#define RX_BCAST_CHG_MSK (0x1 << RX_BCAST_CHG_OFF)
#define TX_ID_DWORD0 (PORT_BASE + 0x9c)
#define TX_ID_DWORD1 (PORT_BASE + 0xa0)
#define TX_ID_DWORD2 (PORT_BASE + 0xa4)
#define TX_ID_DWORD3 (PORT_BASE + 0xa8)
#define TX_ID_DWORD4 (PORT_BASE + 0xaC)
#define TX_ID_DWORD5 (PORT_BASE + 0xb0)
#define TX_ID_DWORD6 (PORT_BASE + 0xb4)
#define TXID_AUTO (PORT_BASE + 0xb8)
#define CT3_OFF 1
#define CT3_MSK (0x1 << CT3_OFF)
#define TX_HARDRST_OFF 2
#define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF)
#define RX_IDAF_DWORD0 (PORT_BASE + 0xc4)
#define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc)
#define STP_LINK_TIMER (PORT_BASE + 0x120)
#define STP_LINK_TIMEOUT_STATE (PORT_BASE + 0x124)
#define CON_CFG_DRIVER (PORT_BASE + 0x130)
#define SAS_SSP_CON_TIMER_CFG (PORT_BASE + 0x134)
#define SAS_SMP_CON_TIMER_CFG (PORT_BASE + 0x138)
#define SAS_STP_CON_TIMER_CFG (PORT_BASE + 0x13c)
#define CHL_INT0 (PORT_BASE + 0x1b4)
#define CHL_INT0_HOTPLUG_TOUT_OFF 0
#define CHL_INT0_HOTPLUG_TOUT_MSK (0x1 << CHL_INT0_HOTPLUG_TOUT_OFF)
#define CHL_INT0_SL_RX_BCST_ACK_OFF 1
#define CHL_INT0_SL_RX_BCST_ACK_MSK (0x1 << CHL_INT0_SL_RX_BCST_ACK_OFF)
#define CHL_INT0_SL_PHY_ENABLE_OFF 2
#define CHL_INT0_SL_PHY_ENABLE_MSK (0x1 << CHL_INT0_SL_PHY_ENABLE_OFF)
#define CHL_INT0_NOT_RDY_OFF 4
#define CHL_INT0_NOT_RDY_MSK (0x1 << CHL_INT0_NOT_RDY_OFF)
#define CHL_INT0_PHY_RDY_OFF 5
#define CHL_INT0_PHY_RDY_MSK (0x1 << CHL_INT0_PHY_RDY_OFF)
#define CHL_INT1 (PORT_BASE + 0x1b8)
#define CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF 15
#define CHL_INT1_DMAC_TX_ECC_1B_ERR_OFF 16
#define CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF 17
#define CHL_INT1_DMAC_RX_ECC_1B_ERR_OFF 18
#define CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF 19
#define CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF 20
#define CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF 21
#define CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF 22
#define CHL_INT1_DMAC_TX_FIFO_ERR_OFF 23
#define CHL_INT1_DMAC_RX_FIFO_ERR_OFF 24
#define CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF 26
#define CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF 27
#define CHL_INT2 (PORT_BASE + 0x1bc)
#define CHL_INT2_SL_IDAF_TOUT_CONF_OFF 0
#define CHL_INT2_RX_DISP_ERR_OFF 28
#define CHL_INT2_RX_CODE_ERR_OFF 29
#define CHL_INT2_RX_INVLD_DW_OFF 30
#define CHL_INT2_STP_LINK_TIMEOUT_OFF 31
#define CHL_INT0_MSK (PORT_BASE + 0x1c0)
#define CHL_INT1_MSK (PORT_BASE + 0x1c4)
#define CHL_INT2_MSK (PORT_BASE + 0x1c8)
#define SAS_EC_INT_COAL_TIME (PORT_BASE + 0x1cc)
#define CHL_INT_COAL_EN (PORT_BASE + 0x1d0)
#define SAS_RX_TRAIN_TIMER (PORT_BASE + 0x2a4)
#define PHY_CTRL_RDY_MSK (PORT_BASE + 0x2b0)
#define PHYCTRL_NOT_RDY_MSK (PORT_BASE + 0x2b4)
#define PHYCTRL_DWS_RESET_MSK (PORT_BASE + 0x2b8)
#define PHYCTRL_PHY_ENA_MSK (PORT_BASE + 0x2bc)
#define SL_RX_BCAST_CHK_MSK (PORT_BASE + 0x2c0)
#define PHYCTRL_OOB_RESTART_MSK (PORT_BASE + 0x2c4)
#define DMA_TX_STATUS (PORT_BASE + 0x2d0)
#define DMA_TX_STATUS_BUSY_OFF 0
#define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF)
#define DMA_RX_STATUS (PORT_BASE + 0x2e8)
#define DMA_RX_STATUS_BUSY_OFF 0
#define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF)
#define COARSETUNE_TIME (PORT_BASE + 0x304)
#define TXDEEMPH_G1 (PORT_BASE + 0x350)
#define ERR_CNT_DWS_LOST (PORT_BASE + 0x380)
#define ERR_CNT_RESET_PROB (PORT_BASE + 0x384)
#define ERR_CNT_INVLD_DW (PORT_BASE + 0x390)
#define ERR_CNT_CODE_ERR (PORT_BASE + 0x394)
#define ERR_CNT_DISP_ERR (PORT_BASE + 0x398)
#define DFX_FIFO_CTRL (PORT_BASE + 0x3a0)
#define DFX_FIFO_CTRL_TRIGGER_MODE_OFF 0
#define DFX_FIFO_CTRL_TRIGGER_MODE_MSK (0x7 << DFX_FIFO_CTRL_TRIGGER_MODE_OFF)
#define DFX_FIFO_CTRL_DUMP_MODE_OFF 3
#define DFX_FIFO_CTRL_DUMP_MODE_MSK (0x7 << DFX_FIFO_CTRL_DUMP_MODE_OFF)
#define DFX_FIFO_CTRL_SIGNAL_SEL_OFF 6
#define DFX_FIFO_CTRL_SIGNAL_SEL_MSK (0xF << DFX_FIFO_CTRL_SIGNAL_SEL_OFF)
#define DFX_FIFO_CTRL_DUMP_DISABLE_OFF 10
#define DFX_FIFO_CTRL_DUMP_DISABLE_MSK (0x1 << DFX_FIFO_CTRL_DUMP_DISABLE_OFF)
#define DFX_FIFO_TRIGGER (PORT_BASE + 0x3a4)
#define DFX_FIFO_TRIGGER_MSK (PORT_BASE + 0x3a8)
#define DFX_FIFO_DUMP_MSK (PORT_BASE + 0x3aC)
#define DFX_FIFO_RD_DATA (PORT_BASE + 0x3b0)
#define DEFAULT_ITCT_HW 2048 /* reset value, not reprogrammed */
#if (HISI_SAS_MAX_DEVICES > DEFAULT_ITCT_HW)
#error Max ITCT exceeded
#endif
#define AXI_MASTER_CFG_BASE (0x5000)
#define AM_CTRL_GLOBAL (0x0)
#define AM_CTRL_SHUTDOWN_REQ_OFF 0
#define AM_CTRL_SHUTDOWN_REQ_MSK (0x1 << AM_CTRL_SHUTDOWN_REQ_OFF)
#define AM_CURR_TRANS_RETURN (0x150)
#define AM_CFG_MAX_TRANS (0x5010)
#define AM_CFG_SINGLE_PORT_MAX_TRANS (0x5014)
#define AXI_CFG (0x5100)
#define AM_ROB_ECC_ERR_ADDR (0x510c)
#define AM_ROB_ECC_ERR_ADDR_OFF 0
#define AM_ROB_ECC_ERR_ADDR_MSK 0xffffffff
/* RAS registers need init */
#define RAS_BASE (0x6000)
#define SAS_RAS_INTR0 (RAS_BASE)
#define SAS_RAS_INTR1 (RAS_BASE + 0x04)
#define SAS_RAS_INTR0_MASK (RAS_BASE + 0x08)
#define SAS_RAS_INTR1_MASK (RAS_BASE + 0x0c)
#define CFG_SAS_RAS_INTR_MASK (RAS_BASE + 0x1c)
#define SAS_RAS_INTR2 (RAS_BASE + 0x20)
#define SAS_RAS_INTR2_MASK (RAS_BASE + 0x24)
/* HW dma structures */
/* Delivery queue header */
/* dw0 */
#define CMD_HDR_ABORT_FLAG_OFF 0
#define CMD_HDR_ABORT_FLAG_MSK (0x3 << CMD_HDR_ABORT_FLAG_OFF)
#define CMD_HDR_ABORT_DEVICE_TYPE_OFF 2
#define CMD_HDR_ABORT_DEVICE_TYPE_MSK (0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF)
#define CMD_HDR_RESP_REPORT_OFF 5
#define CMD_HDR_RESP_REPORT_MSK (0x1 << CMD_HDR_RESP_REPORT_OFF)
#define CMD_HDR_TLR_CTRL_OFF 6
#define CMD_HDR_TLR_CTRL_MSK (0x3 << CMD_HDR_TLR_CTRL_OFF)
#define CMD_HDR_PHY_ID_OFF 8
#define CMD_HDR_PHY_ID_MSK (0x1ff << CMD_HDR_PHY_ID_OFF)
#define CMD_HDR_FORCE_PHY_OFF 17
#define CMD_HDR_FORCE_PHY_MSK (0x1U << CMD_HDR_FORCE_PHY_OFF)
#define CMD_HDR_PORT_OFF 18
#define CMD_HDR_PORT_MSK (0xf << CMD_HDR_PORT_OFF)
#define CMD_HDR_PRIORITY_OFF 27
#define CMD_HDR_PRIORITY_MSK (0x1 << CMD_HDR_PRIORITY_OFF)
#define CMD_HDR_CMD_OFF 29
#define CMD_HDR_CMD_MSK (0x7 << CMD_HDR_CMD_OFF)
/* dw1 */
#define CMD_HDR_UNCON_CMD_OFF 3
#define CMD_HDR_DIR_OFF 5
#define CMD_HDR_DIR_MSK (0x3 << CMD_HDR_DIR_OFF)
#define CMD_HDR_RESET_OFF 7
#define CMD_HDR_RESET_MSK (0x1 << CMD_HDR_RESET_OFF)
#define CMD_HDR_VDTL_OFF 10
#define CMD_HDR_VDTL_MSK (0x1 << CMD_HDR_VDTL_OFF)
#define CMD_HDR_FRAME_TYPE_OFF 11
#define CMD_HDR_FRAME_TYPE_MSK (0x1f << CMD_HDR_FRAME_TYPE_OFF)
#define CMD_HDR_DEV_ID_OFF 16
#define CMD_HDR_DEV_ID_MSK (0xffff << CMD_HDR_DEV_ID_OFF)
/* dw2 */
#define CMD_HDR_CFL_OFF 0
#define CMD_HDR_CFL_MSK (0x1ff << CMD_HDR_CFL_OFF)
#define CMD_HDR_NCQ_TAG_OFF 10
#define CMD_HDR_NCQ_TAG_MSK (0x1f << CMD_HDR_NCQ_TAG_OFF)
#define CMD_HDR_MRFL_OFF 15
#define CMD_HDR_MRFL_MSK (0x1ff << CMD_HDR_MRFL_OFF)
#define CMD_HDR_SG_MOD_OFF 24
#define CMD_HDR_SG_MOD_MSK (0x3 << CMD_HDR_SG_MOD_OFF)
/* dw3 */
#define CMD_HDR_IPTT_OFF 0
#define CMD_HDR_IPTT_MSK (0xffff << CMD_HDR_IPTT_OFF)
/* dw6 */
#define CMD_HDR_DIF_SGL_LEN_OFF 0
#define CMD_HDR_DIF_SGL_LEN_MSK (0xffff << CMD_HDR_DIF_SGL_LEN_OFF)
#define CMD_HDR_DATA_SGL_LEN_OFF 16
#define CMD_HDR_DATA_SGL_LEN_MSK (0xffff << CMD_HDR_DATA_SGL_LEN_OFF)
/* dw7 */
#define CMD_HDR_ADDR_MODE_SEL_OFF 15
#define CMD_HDR_ADDR_MODE_SEL_MSK (1 << CMD_HDR_ADDR_MODE_SEL_OFF)
#define CMD_HDR_ABORT_IPTT_OFF 16
#define CMD_HDR_ABORT_IPTT_MSK (0xffff << CMD_HDR_ABORT_IPTT_OFF)
/* Completion header */
/* dw0 */
#define CMPLT_HDR_CMPLT_OFF 0
#define CMPLT_HDR_CMPLT_MSK (0x3 << CMPLT_HDR_CMPLT_OFF)
#define CMPLT_HDR_ERROR_PHASE_OFF 2
#define CMPLT_HDR_ERROR_PHASE_MSK (0xff << CMPLT_HDR_ERROR_PHASE_OFF)
/* bit[9:2] Error Phase */
#define ERR_PHASE_RESPONSE_FRAME_REV_STAGE_OFF \
8
#define ERR_PHASE_RESPONSE_FRAME_REV_STAGE_MSK \
(0x1 << ERR_PHASE_RESPONSE_FRAME_REV_STAGE_OFF)
#define CMPLT_HDR_RSPNS_XFRD_OFF 10
#define CMPLT_HDR_RSPNS_XFRD_MSK (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
#define CMPLT_HDR_RSPNS_GOOD_OFF 11
#define CMPLT_HDR_RSPNS_GOOD_MSK (0x1 << CMPLT_HDR_RSPNS_GOOD_OFF)
#define CMPLT_HDR_ERX_OFF 12
#define CMPLT_HDR_ERX_MSK (0x1 << CMPLT_HDR_ERX_OFF)
#define CMPLT_HDR_ABORT_STAT_OFF 13
#define CMPLT_HDR_ABORT_STAT_MSK (0x7 << CMPLT_HDR_ABORT_STAT_OFF)
/* abort_stat */
#define STAT_IO_NOT_VALID 0x1
#define STAT_IO_NO_DEVICE 0x2
#define STAT_IO_COMPLETE 0x3
#define STAT_IO_ABORTED 0x4
/* dw1 */
#define CMPLT_HDR_IPTT_OFF 0
#define CMPLT_HDR_IPTT_MSK (0xffff << CMPLT_HDR_IPTT_OFF)
#define CMPLT_HDR_DEV_ID_OFF 16
#define CMPLT_HDR_DEV_ID_MSK (0xffff << CMPLT_HDR_DEV_ID_OFF)
/* dw3 */
#define SATA_DISK_IN_ERROR_STATUS_OFF 8
#define SATA_DISK_IN_ERROR_STATUS_MSK (0x1 << SATA_DISK_IN_ERROR_STATUS_OFF)
#define CMPLT_HDR_SATA_DISK_ERR_OFF 16
#define CMPLT_HDR_SATA_DISK_ERR_MSK (0x1 << CMPLT_HDR_SATA_DISK_ERR_OFF)
#define CMPLT_HDR_IO_IN_TARGET_OFF 17
#define CMPLT_HDR_IO_IN_TARGET_MSK (0x1 << CMPLT_HDR_IO_IN_TARGET_OFF)
/* bit[23:18] ERR_FIS_ATA_STATUS */
#define FIS_ATA_STATUS_ERR_OFF 18
#define FIS_ATA_STATUS_ERR_MSK (0x1 << FIS_ATA_STATUS_ERR_OFF)
#define FIS_TYPE_SDB_OFF 31
#define FIS_TYPE_SDB_MSK (0x1 << FIS_TYPE_SDB_OFF)
/* ITCT header */
/* qw0 */
#define ITCT_HDR_DEV_TYPE_OFF 0
#define ITCT_HDR_DEV_TYPE_MSK (0x3 << ITCT_HDR_DEV_TYPE_OFF)
#define ITCT_HDR_VALID_OFF 2
#define ITCT_HDR_VALID_MSK (0x1 << ITCT_HDR_VALID_OFF)
#define ITCT_HDR_MCR_OFF 5
#define ITCT_HDR_MCR_MSK (0xf << ITCT_HDR_MCR_OFF)
#define ITCT_HDR_VLN_OFF 9
#define ITCT_HDR_VLN_MSK (0xf << ITCT_HDR_VLN_OFF)
#define ITCT_HDR_SMP_TIMEOUT_OFF 16
#define ITCT_HDR_AWT_CONTINUE_OFF 25
#define ITCT_HDR_PORT_ID_OFF 28
#define ITCT_HDR_PORT_ID_MSK (0xf << ITCT_HDR_PORT_ID_OFF)
/* qw2 */
#define ITCT_HDR_INLT_OFF 0
#define ITCT_HDR_INLT_MSK (0xffffULL << ITCT_HDR_INLT_OFF)
#define ITCT_HDR_RTOLT_OFF 48
#define ITCT_HDR_RTOLT_MSK (0xffffULL << ITCT_HDR_RTOLT_OFF)
/*debugfs*/
#define TWO_PARA_PER_LINE 2
#define FOUR_PARA_PER_LINE 4
#define DUMP_BUF_SIZE 8
#define BIST_BUF_SIZE 16
struct hisi_sas_protect_iu_v3_hw {
u32 dw0;
u32 lbrtcv;
u32 lbrtgv;
u32 dw3;
u32 dw4;
u32 dw5;
u32 rsv;
};
struct hisi_sas_complete_v3_hdr {
__le32 dw0;
__le32 dw1;
__le32 act;
__le32 dw3;
};
struct hisi_sas_err_record_v3 {
/* dw0 */
__le32 trans_tx_fail_type;
/* dw1 */
__le32 trans_rx_fail_type;
/* dw2 */
__le16 dma_tx_err_type;
__le16 sipc_rx_err_type;
/* dw3 */
__le32 dma_rx_err_type;
};
#define RX_DATA_LEN_UNDERFLOW_OFF 6
#define RX_DATA_LEN_UNDERFLOW_MSK (1 << RX_DATA_LEN_UNDERFLOW_OFF)
#define RX_FIS_STATUS_ERR_OFF 0
#define RX_FIS_STATUS_ERR_MSK (1 << RX_FIS_STATUS_ERR_OFF)
#define HISI_SAS_COMMAND_ENTRIES_V3_HW 4096
#define HISI_SAS_MSI_COUNT_V3_HW 32
#define DIR_NO_DATA 0
#define DIR_TO_INI 1
#define DIR_TO_DEVICE 2
#define DIR_RESERVED 3
#define FIS_CMD_IS_UNCONSTRAINED(fis) \
((fis.command == ATA_CMD_READ_LOG_EXT) || \
(fis.command == ATA_CMD_READ_LOG_DMA_EXT) || \
((fis.command == ATA_CMD_DEV_RESET) && \
((fis.control & ATA_SRST) != 0)))
#define T10_INSRT_EN_OFF 0
#define T10_INSRT_EN_MSK (1 << T10_INSRT_EN_OFF)
#define T10_RMV_EN_OFF 1
#define T10_RMV_EN_MSK (1 << T10_RMV_EN_OFF)
#define T10_RPLC_EN_OFF 2
#define T10_RPLC_EN_MSK (1 << T10_RPLC_EN_OFF)
#define T10_CHK_EN_OFF 3
#define T10_CHK_EN_MSK (1 << T10_CHK_EN_OFF)
#define INCR_LBRT_OFF 5
#define INCR_LBRT_MSK (1 << INCR_LBRT_OFF)
#define USR_DATA_BLOCK_SZ_OFF 20
#define USR_DATA_BLOCK_SZ_MSK (0x3 << USR_DATA_BLOCK_SZ_OFF)
#define T10_CHK_MSK_OFF 16
#define T10_CHK_REF_TAG_MSK (0xf0 << T10_CHK_MSK_OFF)
#define T10_CHK_APP_TAG_MSK (0xc << T10_CHK_MSK_OFF)
#define BASE_VECTORS_V3_HW 16
#define MIN_AFFINE_VECTORS_V3_HW (BASE_VECTORS_V3_HW + 1)
#define IRQ_PHY_UP_DOWN_INDEX 1
#define IRQ_CHL_INDEX 2
#define IRQ_AXI_INDEX 11
#define DELAY_FOR_RESET_HW 100
#define HDR_SG_MOD 0x2
#define LUN_SIZE 8
#define ATTR_PRIO_REGION 9
#define CDB_REGION 12
#define PRIO_OFF 3
#define TMF_REGION 10
#define TAG_MSB 12
#define TAG_LSB 13
#define SMP_FRAME_TYPE 2
#define SMP_CRC_SIZE 4
#define HDR_TAG_OFF 3
#define HOST_NO_OFF 6
#define PHY_NO_OFF 7
#define IDENTIFY_REG_READ 6
#define LINK_RESET_TIMEOUT_OFF 4
#define DECIMALISM_FLAG 10
#define WAIT_RETRY 100
#define WAIT_TMROUT 5000
#define ID_DWORD0_INDEX 0
#define ID_DWORD1_INDEX 1
#define ID_DWORD2_INDEX 2
#define ID_DWORD3_INDEX 3
#define ID_DWORD4_INDEX 4
#define ID_DWORD5_INDEX 5
#define TICKS_BIT_INDEX 24
#define COUNT_BIT_INDEX 8
#define PORT_REG_LENGTH 0x100
#define GLOBAL_REG_LENGTH 0x800
#define AXI_REG_LENGTH 0x61
#define RAS_REG_LENGTH 0x10
#define CHNL_INT_STS_MSK 0xeeeeeeee
#define CHNL_INT_STS_PHY_MSK 0xe
#define CHNL_INT_STS_INT0_MSK BIT(1)
#define CHNL_INT_STS_INT1_MSK BIT(2)
#define CHNL_INT_STS_INT2_MSK BIT(3)
#define CHNL_WIDTH 4
#define BAR_NO_V3_HW 5
enum {
DSM_FUNC_ERR_HANDLE_MSI = 0,
};
static bool hisi_sas_intr_conv;
MODULE_PARM_DESC(intr_conv, "interrupt converge enable (0-1)" );
/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
static int prot_mask;
module_param(prot_mask, int , 0444);
MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=0x0 " );
/* the index of iopoll queues are bigger than interrupt queues' */
static int experimental_iopoll_q_cnt;
module_param(experimental_iopoll_q_cnt, int , 0444);
MODULE_PARM_DESC(experimental_iopoll_q_cnt, "number of queues to be used as poll mode, def=0" );
static int debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba);
static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
{
void __iomem *regs = hisi_hba->regs + off;
return readl(regs);
}
static void hisi_sas_write32(struct hisi_hba *hisi_hba, u32 off, u32 val)
{
void __iomem *regs = hisi_hba->regs + off;
writel(val, regs);
}
static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, int phy_no,
u32 off, u32 val)
{
void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
writel(val, regs);
}
static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
int phy_no, u32 off)
{
void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
return readl(regs);
}
#define hisi_sas_read32_poll_timeout(off, val, cond, delay_us, \
timeout_us) \
({ \
void __iomem *regs = hisi_hba->regs + off; \
readl_poll_timeout(regs, val, cond, delay_us, timeout_us); \
})
#define hisi_sas_read32_poll_timeout_atomic(off, val, cond, delay_us, \
timeout_us) \
({ \
void __iomem *regs = hisi_hba->regs + off; \
readl_poll_timeout_atomic(regs, val, cond, delay_us, timeout_us);\
})
static void interrupt_enable_v3_hw(struct hisi_hba *hisi_hba)
{
int i;
for (i = 0; i < hisi_hba->queue_count; i++)
hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0);
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xfefefefe);
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xfefefefe);
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffc220ff);
hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0x155555);
for (i = 0; i < hisi_hba->n_phy; i++) {
hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xf2057fff);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffbfe);
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x0);
}
}
static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
{
struct pci_dev *pdev = hisi_hba->pci_dev;
int i, j;
/* Global registers init */
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
(u32)((1ULL << hisi_hba->queue_count) - 1));
hisi_sas_write32(hisi_hba, CFG_MAX_TAG, 0xfff0400);
/* time / CLK_AHB = 2.5s / 2ns = 0x4A817C80 */
hisi_sas_write32(hisi_hba, TRANS_LOCK_ICT_TIME, 0x4A817C80);
hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x108);
hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x1);
hisi_sas_write32(hisi_hba, CFG_ICT_TIMER_STEP_TRSH, 0xf4240);
hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x3);
/* configure the interrupt coalescing timeout period 10us */
hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0xa);
/* configure the count of CQ entries 10 */
hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0xa);
hisi_sas_write32(hisi_hba, CQ_INT_CONVERGE_EN,
hisi_sas_intr_conv);
hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffff);
hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff);
hisi_sas_write32(hisi_hba, CHNL_PHYUPDOWN_INT_MSK, 0x0);
hisi_sas_write32(hisi_hba, CHNL_ENT_INT_MSK, 0x0);
hisi_sas_write32(hisi_hba, HGC_COM_INT_MSK, 0x0);
hisi_sas_write32(hisi_hba, AWQOS_AWCACHE_CFG, 0xf0f0);
hisi_sas_write32(hisi_hba, ARQOS_ARCACHE_CFG, 0xf0f0);
hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1);
if (pdev->revision < 0x30)
hisi_sas_write32(hisi_hba, SAS_AXI_USER3, 0);
interrupt_enable_v3_hw(hisi_hba);
for (i = 0; i < hisi_hba->n_phy; i++) {
enum sas_linkrate max;
struct hisi_sas_phy *phy = &hisi_hba->phy[i];
struct asd_sas_phy *sas_phy = &phy->sas_phy;
u32 prog_phy_link_rate = hisi_sas_phy_read32(hisi_hba, i,
PROG_PHY_LINK_RATE);
prog_phy_link_rate &= ~CFG_PROG_PHY_LINK_RATE_MSK;
if (!sas_phy->phy || (sas_phy->phy->maximum_linkrate <
SAS_LINK_RATE_1_5_GBPS))
max = SAS_LINK_RATE_12_0_GBPS;
else
max = sas_phy->phy->maximum_linkrate;
prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE,
prog_phy_link_rate);
hisi_sas_phy_write32(hisi_hba, i, SAS_RX_TRAIN_TIMER, 0x13e80);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, 0xffffffff);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, 0xffffffff);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, 0xffffffff);
hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x1);
hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER, 0x7ffffff);
hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x2a0a01);
hisi_sas_phy_write32(hisi_hba, i, SAS_EC_INT_COAL_TIME,
0x30f4240);
hisi_sas_phy_write32(hisi_hba, i, AIP_LIMIT, 0x2ffff);
/* set value through firmware for 920B and later version */
if (pdev->revision < 0x30) {
hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG, 0x32);
hisi_sas_phy_write32(hisi_hba, i, SERDES_CFG, 0xffc00);
/* used for 12G negotiate */
hisi_sas_phy_write32(hisi_hba, i, COARSETUNE_TIME, 0x1e);
}
/* get default FFE configuration for BIST */
for (j = 0; j < FFE_CFG_MAX; j++) {
u32 val = hisi_sas_phy_read32(hisi_hba, i,
TXDEEMPH_G1 + (j * 0x4));
hisi_hba->debugfs_bist_ffe[i][j] = val;
}
}
for (i = 0; i < hisi_hba->queue_count; i++) {
/* Delivery queue */
hisi_sas_write32(hisi_hba,
DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
hisi_sas_write32(hisi_hba, DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
hisi_sas_write32(hisi_hba, DLVRY_Q_0_DEPTH + (i * 0x14),
HISI_SAS_QUEUE_SLOTS);
/* Completion queue */
hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
upper_32_bits(hisi_hba->complete_hdr_dma[i]));
hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
lower_32_bits(hisi_hba->complete_hdr_dma[i]));
hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
HISI_SAS_QUEUE_SLOTS);
}
/* itct */
hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
lower_32_bits(hisi_hba->itct_dma));
hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
upper_32_bits(hisi_hba->itct_dma));
/* iost */
hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
lower_32_bits(hisi_hba->iost_dma));
hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
upper_32_bits(hisi_hba->iost_dma));
/* breakpoint */
hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_LO,
lower_32_bits(hisi_hba->breakpoint_dma));
hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_HI,
upper_32_bits(hisi_hba->breakpoint_dma));
/* SATA broken msg */
hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_LO,
lower_32_bits(hisi_hba->sata_breakpoint_dma));
hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_HI,
upper_32_bits(hisi_hba->sata_breakpoint_dma));
/* SATA initial fis */
hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_LO,
lower_32_bits(hisi_hba->initial_fis_dma));
hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_HI,
upper_32_bits(hisi_hba->initial_fis_dma));
/* RAS registers init */
hisi_sas_write32(hisi_hba, SAS_RAS_INTR0_MASK, 0x0);
hisi_sas_write32(hisi_hba, SAS_RAS_INTR1_MASK, 0x0);
hisi_sas_write32(hisi_hba, SAS_RAS_INTR2_MASK, 0x0);
hisi_sas_write32(hisi_hba, CFG_SAS_RAS_INTR_MASK, 0x0);
/* LED registers init */
hisi_sas_write32(hisi_hba, SAS_CFG_DRIVE_VLD, 0x80000ff);
hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1, 0x80808080);
hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1 + 0x4, 0x80808080);
/* Configure blink generator rate A to 1Hz and B to 4Hz */
hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_1, 0x121700);
hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_0, 0x800000);
}
static void config_phy_opt_mode_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
cfg &= ~PHY_CFG_DC_OPT_MSK;
cfg |= 1 << PHY_CFG_DC_OPT_OFF;
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
}
static void config_id_frame_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
struct sas_identify_frame identify_frame;
u32 *identify_buffer;
memset(&identify_frame, 0, sizeof (identify_frame));
identify_frame.dev_type = SAS_END_DEVICE;
identify_frame.frame_type = 0;
identify_frame._un1 = 1;
identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
identify_frame.target_bits = SAS_PROTOCOL_NONE;
memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
identify_frame.phy_id = phy_no;
identify_buffer = (u32 *)(&identify_frame);
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
__swab32(identify_buffer[ID_DWORD0_INDEX]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
__swab32(identify_buffer[ID_DWORD1_INDEX]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
__swab32(identify_buffer[ID_DWORD2_INDEX]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
__swab32(identify_buffer[ID_DWORD3_INDEX]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
__swab32(identify_buffer[ID_DWORD4_INDEX]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
__swab32(identify_buffer[ID_DWORD5_INDEX]));
}
static void setup_itct_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_device *sas_dev)
{
struct domain_device *device = sas_dev->sas_device;
struct device *dev = hisi_hba->dev;
u64 qw0, device_id = sas_dev->device_id;
struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
struct domain_device *parent_dev = device->parent;
struct asd_sas_port *sas_port = device->port;
struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
u64 sas_addr;
memset(itct, 0, sizeof (*itct));
/* qw0 */
qw0 = 0;
switch (sas_dev->dev_type) {
case SAS_END_DEVICE:
case SAS_EDGE_EXPANDER_DEVICE:
case SAS_FANOUT_EXPANDER_DEVICE:
qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
break ;
case SAS_SATA_DEV:
case SAS_SATA_PENDING:
if (parent_dev && dev_is_expander(parent_dev->dev_type))
qw0 = HISI_SAS_DEV_TYPE_STP << ITCT_HDR_DEV_TYPE_OFF;
else
qw0 = HISI_SAS_DEV_TYPE_SATA << ITCT_HDR_DEV_TYPE_OFF;
break ;
default :
dev_warn(dev, "setup itct: unsupported dev type (%d)\n" ,
sas_dev->dev_type);
}
qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
(device->linkrate << ITCT_HDR_MCR_OFF) |
(1 << ITCT_HDR_VLN_OFF) |
(0xfa << ITCT_HDR_SMP_TIMEOUT_OFF) |
(1 << ITCT_HDR_AWT_CONTINUE_OFF) |
(port->id << ITCT_HDR_PORT_ID_OFF));
itct->qw0 = cpu_to_le64(qw0);
/* qw1 */
memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
/* qw2 */
if (!dev_is_sata(device))
itct->qw2 = cpu_to_le64((5000ULL << ITCT_HDR_INLT_OFF) |
(0x1ULL << ITCT_HDR_RTOLT_OFF));
}
static int clear_itct_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_device *sas_dev)
{
DECLARE_COMPLETION_ONSTACK(completion);
u64 dev_id = sas_dev->device_id;
struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
struct device *dev = hisi_hba->dev;
sas_dev->completion = &completion;
/* clear the itct interrupt state */
if (ENT_INT_SRC3_ITC_INT_MSK & reg_val)
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
ENT_INT_SRC3_ITC_INT_MSK);
/* clear the itct table */
reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK);
hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val);
if (!wait_for_completion_timeout(sas_dev->completion,
HISI_SAS_CLEAR_ITCT_TIMEOUT)) {
dev_warn(dev, "failed to clear ITCT\n" );
return -ETIMEDOUT;
}
memset(itct, 0, sizeof (struct hisi_sas_itct));
return 0;
}
static void dereg_device_v3_hw(struct hisi_hba *hisi_hba,
struct domain_device *device)
{
struct hisi_sas_slot *slot, *slot2;
struct hisi_sas_device *sas_dev = device->lldd_dev;
u32 cfg_abt_set_query_iptt;
cfg_abt_set_query_iptt = hisi_sas_read32(hisi_hba,
CFG_ABT_SET_QUERY_IPTT);
spin_lock(&sas_dev->lock);
list_for_each_entry_safe(slot, slot2, &sas_dev->list, entry) {
cfg_abt_set_query_iptt &= ~CFG_SET_ABORTED_IPTT_MSK;
cfg_abt_set_query_iptt |= (1 << CFG_SET_ABORTED_EN_OFF) |
(slot->idx << CFG_SET_ABORTED_IPTT_OFF);
hisi_sas_write32(hisi_hba, CFG_ABT_SET_QUERY_IPTT,
cfg_abt_set_query_iptt);
}
spin_unlock(&sas_dev->lock);
cfg_abt_set_query_iptt &= ~(1 << CFG_SET_ABORTED_EN_OFF);
hisi_sas_write32(hisi_hba, CFG_ABT_SET_QUERY_IPTT,
cfg_abt_set_query_iptt);
hisi_sas_write32(hisi_hba, CFG_ABT_SET_IPTT_DONE,
1 << CFG_ABT_SET_IPTT_DONE_OFF);
}
static int reset_hw_v3_hw(struct hisi_hba *hisi_hba)
{
struct device *dev = hisi_hba->dev;
int ret;
u32 val;
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
/* Disable all of the PHYs */
hisi_sas_stop_phys(hisi_hba);
udelay(HISI_SAS_DELAY_FOR_PHY_DISABLE);
/* Ensure axi bus idle */
ret = hisi_sas_read32_poll_timeout(AXI_CFG, val, !val,
20000, 1000000);
if (ret) {
dev_err(dev, "axi bus is not idle, ret = %d!\n" , ret);
return -EIO;
}
if (ACPI_HANDLE(dev)) {
acpi_status s;
s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST" , NULL, NULL);
if (ACPI_FAILURE(s)) {
dev_err(dev, "Reset failed\n" );
return -EIO;
}
} else {
dev_err(dev, "no reset method!\n" );
return -EINVAL;
}
return 0;
}
static int hw_init_v3_hw(struct hisi_hba *hisi_hba)
{
struct device *dev = hisi_hba->dev;
struct acpi_device *acpi_dev;
union acpi_object *obj;
guid_t guid;
int rc;
rc = reset_hw_v3_hw(hisi_hba);
if (rc) {
dev_err(dev, "hisi_sas_reset_hw failed, rc=%d\n" , rc);
return rc;
}
msleep(DELAY_FOR_RESET_HW);
init_reg_v3_hw(hisi_hba);
if (guid_parse("D5918B4B-37AE-4E10-A99F-E5E8A6EF4C1F" , &guid)) {
dev_err(dev, "Parse GUID failed\n" );
return -EINVAL;
}
/*
* This DSM handles some hardware-related configurations:
* 1. Switch over to MSI error handling in kernel
* 2. BIOS *may* reset some register values through this method
*/
obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &guid, 0,
DSM_FUNC_ERR_HANDLE_MSI, NULL);
if (!obj)
dev_warn(dev, "can not find DSM method, ignore\n" );
else
ACPI_FREE(obj);
acpi_dev = ACPI_COMPANION(dev);
if (!acpi_device_power_manageable(acpi_dev))
dev_notice(dev, "neither _PS0 nor _PR0 is defined\n" );
return 0;
}
static void enable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
cfg |= PHY_CFG_ENA_MSK;
cfg &= ~PHY_CFG_PHY_RST_MSK;
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
}
static void disable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2_MSK);
static const u32 msk = BIT(CHL_INT2_RX_DISP_ERR_OFF) |
BIT(CHL_INT2_RX_CODE_ERR_OFF) |
BIT(CHL_INT2_RX_INVLD_DW_OFF);
u32 state;
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2_MSK, msk | irq_msk);
cfg &= ~PHY_CFG_ENA_MSK;
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
mdelay(HISI_SAS_DELAY_FOR_PHY_DISABLE);
state = hisi_sas_read32(hisi_hba, PHY_STATE);
if (state & BIT(phy_no)) {
cfg |= PHY_CFG_PHY_RST_MSK;
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
}
udelay(1);
hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_INVLD_DW);
hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DISP_ERR);
hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_CODE_ERR);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, msk);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2_MSK, irq_msk);
}
static void start_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
config_id_frame_v3_hw(hisi_hba, phy_no);
config_phy_opt_mode_v3_hw(hisi_hba, phy_no);
enable_phy_v3_hw(hisi_hba, phy_no);
}
static void phy_hard_reset_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
u32 txid_auto;
hisi_sas_phy_enable(hisi_hba, phy_no, 0);
if (phy->identify.device_type == SAS_END_DEVICE) {
txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
txid_auto | TX_HARDRST_MSK);
}
msleep(HISI_SAS_DELAY_FOR_PHY_DISABLE);
hisi_sas_phy_enable(hisi_hba, phy_no, 1);
}
static enum sas_linkrate phy_get_max_linkrate_v3_hw(void )
{
return SAS_LINK_RATE_12_0_GBPS;
}
static void phys_init_v3_hw(struct hisi_hba *hisi_hba)
{
int i;
for (i = 0; i < hisi_hba->n_phy; i++) {
struct hisi_sas_phy *phy = &hisi_hba->phy[i];
struct asd_sas_phy *sas_phy = &phy->sas_phy;
if (!sas_phy->phy->enabled)
continue ;
hisi_sas_phy_enable(hisi_hba, i, 1);
}
}
static void sl_notify_ssp_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 sl_control;
sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
msleep(1);
sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
}
static int get_wideport_bitmap_v3_hw(struct hisi_hba *hisi_hba, int port_id)
{
int i, bitmap = 0;
u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
for (i = 0; i < hisi_hba->n_phy; i++)
if (phy_state & BIT(i))
if (((phy_port_num_ma >> (i * HISI_SAS_REG_MEM_SIZE)) & 0xf) ==
port_id)
bitmap |= BIT(i);
return bitmap;
}
static void start_delivery_v3_hw(struct hisi_sas_dq *dq)
{
struct hisi_hba *hisi_hba = dq->hisi_hba;
struct hisi_sas_slot *s, *s1, *s2 = NULL;
int dlvry_queue = dq->id;
int wp;
list_for_each_entry_safe(s, s1, &dq->list, delivery) {
if (!s->ready)
break ;
s2 = s;
list_del(&s->delivery);
}
if (!s2)
return ;
/*
* Ensure that memories for slots built on other CPUs is observed.
*/
smp_rmb();
wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
}
static void prep_prd_sge_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot,
struct hisi_sas_cmd_hdr *hdr,
struct scatterlist *scatter,
int n_elem)
{
struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
struct scatterlist *sg;
int i;
for_each_sg(scatter, sg, n_elem, i) {
struct hisi_sas_sge *entry = &sge_page->sge[i];
entry->addr = cpu_to_le64(sg_dma_address(sg));
entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
entry->data_len = cpu_to_le32(sg_dma_len(sg));
entry->data_off = 0;
}
hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
hdr->sg_len |= cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
}
static void prep_prd_sge_dif_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot,
struct hisi_sas_cmd_hdr *hdr,
struct scatterlist *scatter,
int n_elem)
{
struct hisi_sas_sge_dif_page *sge_dif_page;
struct scatterlist *sg;
int i;
sge_dif_page = hisi_sas_sge_dif_addr_mem(slot);
for_each_sg(scatter, sg, n_elem, i) {
struct hisi_sas_sge *entry = &sge_dif_page->sge[i];
entry->addr = cpu_to_le64(sg_dma_address(sg));
entry->page_ctrl_0 = 0;
entry->page_ctrl_1 = 0;
entry->data_len = cpu_to_le32(sg_dma_len(sg));
entry->data_off = 0;
}
hdr->dif_prd_table_addr =
cpu_to_le64(hisi_sas_sge_dif_addr_dma(slot));
hdr->sg_len |= cpu_to_le32(n_elem << CMD_HDR_DIF_SGL_LEN_OFF);
}
static u32 get_prot_chk_msk_v3_hw(struct scsi_cmnd *scsi_cmnd)
{
unsigned char prot_flags = scsi_cmnd->prot_flags;
if (prot_flags & SCSI_PROT_REF_CHECK)
return T10_CHK_APP_TAG_MSK;
return T10_CHK_REF_TAG_MSK | T10_CHK_APP_TAG_MSK;
}
static void fill_prot_v3_hw(struct scsi_cmnd *scsi_cmnd,
struct hisi_sas_protect_iu_v3_hw *prot)
{
unsigned char prot_op = scsi_get_prot_op(scsi_cmnd);
unsigned int interval = scsi_prot_interval(scsi_cmnd);
u32 lbrt_chk_val = t10_pi_ref_tag(scsi_cmd_to_rq(scsi_cmnd));
switch (prot_op) {
case SCSI_PROT_READ_INSERT:
prot->dw0 |= T10_INSRT_EN_MSK;
prot->lbrtgv = lbrt_chk_val;
break ;
case SCSI_PROT_READ_STRIP:
prot->dw0 |= (T10_RMV_EN_MSK | T10_CHK_EN_MSK);
prot->lbrtcv = lbrt_chk_val;
prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
break ;
case SCSI_PROT_READ_PASS:
prot->dw0 |= T10_CHK_EN_MSK;
prot->lbrtcv = lbrt_chk_val;
prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
break ;
case SCSI_PROT_WRITE_INSERT:
prot->dw0 |= T10_INSRT_EN_MSK;
prot->lbrtgv = lbrt_chk_val;
break ;
case SCSI_PROT_WRITE_STRIP:
prot->dw0 |= (T10_RMV_EN_MSK | T10_CHK_EN_MSK);
prot->lbrtcv = lbrt_chk_val;
break ;
case SCSI_PROT_WRITE_PASS:
prot->dw0 |= T10_CHK_EN_MSK;
prot->lbrtcv = lbrt_chk_val;
prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
break ;
default :
WARN(1, "prot_op(0x%x) is not valid\n" , prot_op);
break ;
}
switch (interval) {
case 512:
break ;
case 4096:
prot->dw0 |= (0x1 << USR_DATA_BLOCK_SZ_OFF);
break ;
case 520:
prot->dw0 |= (0x2 << USR_DATA_BLOCK_SZ_OFF);
break ;
default :
WARN(1, "protection interval (0x%x) invalid\n" ,
interval);
break ;
}
prot->dw0 |= INCR_LBRT_MSK;
}
static void prep_ssp_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot)
{
struct sas_task *task = slot->task;
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
struct domain_device *device = task->dev;
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_sas_port *port = slot->port;
struct sas_ssp_task *ssp_task = &task->ssp_task;
struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
struct sas_tmf_task *tmf = slot->tmf;
int has_data = 0, priority = !!tmf;
unsigned char prot_op;
u8 *buf_cmd;
u32 dw1 = 0, dw2 = 0, len = 0;
hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
(2 << CMD_HDR_TLR_CTRL_OFF) |
(port->id << CMD_HDR_PORT_OFF) |
(priority << CMD_HDR_PRIORITY_OFF) |
(1 << CMD_HDR_CMD_OFF)); /* ssp */
dw1 = 1 << CMD_HDR_VDTL_OFF;
if (tmf) {
dw1 |= 2 << CMD_HDR_FRAME_TYPE_OFF;
dw1 |= DIR_NO_DATA << CMD_HDR_DIR_OFF;
} else {
prot_op = scsi_get_prot_op(scsi_cmnd);
dw1 |= 1 << CMD_HDR_FRAME_TYPE_OFF;
switch (scsi_cmnd->sc_data_direction) {
case DMA_TO_DEVICE:
has_data = 1;
dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
break ;
case DMA_FROM_DEVICE:
has_data = 1;
dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
break ;
default :
dw1 &= ~CMD_HDR_DIR_MSK;
}
}
/* map itct entry */
dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
dw2 = (((sizeof (struct ssp_command_iu) + sizeof (struct ssp_frame_hdr) +
3) / BYTE_TO_DW) << CMD_HDR_CFL_OFF) |
((HISI_SAS_MAX_SSP_RESP_SZ / BYTE_TO_DW) << CMD_HDR_MRFL_OFF) |
(HDR_SG_MOD << CMD_HDR_SG_MOD_OFF);
hdr->dw2 = cpu_to_le32(dw2);
hdr->transfer_tags = cpu_to_le32(slot->idx);
if (has_data) {
prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter,
slot->n_elem);
if (scsi_prot_sg_count(scsi_cmnd))
prep_prd_sge_dif_v3_hw(hisi_hba, slot, hdr,
scsi_prot_sglist(scsi_cmnd),
slot->n_elem_dif);
}
hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
sizeof (struct ssp_frame_hdr);
memcpy(buf_cmd, &task->ssp_task.LUN, LUN_SIZE);
if (!tmf) {
buf_cmd[ATTR_PRIO_REGION] = ssp_task->task_attr;
memcpy(buf_cmd + CDB_REGION, scsi_cmnd->cmnd,
scsi_cmnd->cmd_len);
} else {
buf_cmd[TMF_REGION] = tmf->tmf;
switch (tmf->tmf) {
case TMF_ABORT_TASK:
case TMF_QUERY_TASK:
buf_cmd[TAG_MSB] =
(tmf->tag_of_task_to_be_managed >> 8) & 0xff;
buf_cmd[TAG_LSB] =
tmf->tag_of_task_to_be_managed & 0xff;
break ;
default :
break ;
}
}
if (has_data && (prot_op != SCSI_PROT_NORMAL)) {
struct hisi_sas_protect_iu_v3_hw prot;
u8 *buf_cmd_prot;
hdr->dw7 |= cpu_to_le32(1 << CMD_HDR_ADDR_MODE_SEL_OFF);
dw1 |= CMD_HDR_PIR_MSK;
buf_cmd_prot = hisi_sas_cmd_hdr_addr_mem(slot) +
sizeof (struct ssp_frame_hdr) +
sizeof (struct ssp_command_iu);
memset(&prot, 0, sizeof (struct hisi_sas_protect_iu_v3_hw));
fill_prot_v3_hw(scsi_cmnd, &prot);
memcpy(buf_cmd_prot, &prot,
sizeof (struct hisi_sas_protect_iu_v3_hw));
/*
* For READ, we need length of info read to memory, while for
* WRITE we need length of data written to the disk.
*/
if (prot_op == SCSI_PROT_WRITE_INSERT ||
prot_op == SCSI_PROT_READ_INSERT ||
prot_op == SCSI_PROT_WRITE_PASS ||
prot_op == SCSI_PROT_READ_PASS) {
unsigned int interval = scsi_prot_interval(scsi_cmnd);
unsigned int ilog2_interval = ilog2(interval);
len = (task->total_xfer_len >> ilog2_interval) *
BYTE_TO_DDW;
}
}
hdr->dw1 = cpu_to_le32(dw1);
hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len + len);
}
static void prep_smp_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot)
{
struct sas_task *task = slot->task;
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
struct domain_device *device = task->dev;
struct hisi_sas_port *port = slot->port;
struct scatterlist *sg_req;
struct hisi_sas_device *sas_dev = device->lldd_dev;
dma_addr_t req_dma_addr;
unsigned int req_len;
u32 cfl;
/* req */
sg_req = &task->smp_task.smp_req;
req_len = sg_dma_len(sg_req);
req_dma_addr = sg_dma_address(sg_req);
/* create header */
/* dw0 */
hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
(1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
(SMP_FRAME_TYPE << CMD_HDR_CMD_OFF)); /* smp */
/* map itct entry */
hdr->dw1 = cpu_to_le32((sas_dev->device_id << CMD_HDR_DEV_ID_OFF) |
(1 << CMD_HDR_FRAME_TYPE_OFF) |
(DIR_NO_DATA << CMD_HDR_DIR_OFF));
/* dw2 */
cfl = (req_len - SMP_CRC_SIZE) / BYTE_TO_DW;
hdr->dw2 = cpu_to_le32((cfl << CMD_HDR_CFL_OFF) |
(HISI_SAS_MAX_SMP_RESP_SZ / BYTE_TO_DW <<
CMD_HDR_MRFL_OFF));
hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
}
static void prep_ata_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot)
{
struct sas_task *task = slot->task;
struct domain_device *device = task->dev;
struct domain_device *parent_dev = device->parent;
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
struct asd_sas_port *sas_port = device->port;
struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
int phy_id;
u8 *buf_cmd;
int has_data = 0, hdr_tag = 0;
u32 dw1 = 0, dw2 = 0;
hdr->dw0 = cpu_to_le32(port->id << CMD_HDR_PORT_OFF);
if (parent_dev && dev_is_expander(parent_dev->dev_type)) {
hdr->dw0 |= cpu_to_le32(3 << CMD_HDR_CMD_OFF);
} else {
phy_id = device->phy->identify.phy_identifier;
hdr->dw0 |= cpu_to_le32((1U << phy_id)
<< CMD_HDR_PHY_ID_OFF);
hdr->dw0 |= CMD_HDR_FORCE_PHY_MSK;
hdr->dw0 |= cpu_to_le32(4U << CMD_HDR_CMD_OFF);
}
switch (task->data_dir) {
case DMA_TO_DEVICE:
has_data = 1;
dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
break ;
case DMA_FROM_DEVICE:
has_data = 1;
dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
break ;
default :
dw1 &= ~CMD_HDR_DIR_MSK;
}
if ((task->ata_task.fis.command == ATA_CMD_DEV_RESET) &&
(task->ata_task.fis.control & ATA_SRST))
dw1 |= 1 << CMD_HDR_RESET_OFF;
dw1 |= (hisi_sas_get_ata_protocol(task)) << CMD_HDR_FRAME_TYPE_OFF;
dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
if (FIS_CMD_IS_UNCONSTRAINED(task->ata_task.fis))
dw1 |= 1 << CMD_HDR_UNCON_CMD_OFF;
hdr->dw1 = cpu_to_le32(dw1);
/* dw2 */
if (task->ata_task.use_ncq) {
struct ata_queued_cmd *qc = task->uldd_task;
hdr_tag = qc->tag;
task->ata_task.fis.sector_count |=
(u8)(hdr_tag << HDR_TAG_OFF);
dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
}
dw2 |= (HISI_SAS_MAX_STP_RESP_SZ / BYTE_TO_DW) << CMD_HDR_CFL_OFF |
HDR_SG_MOD << CMD_HDR_SG_MOD_OFF;
hdr->dw2 = cpu_to_le32(dw2);
/* dw3 */
hdr->transfer_tags = cpu_to_le32(slot->idx);
if (has_data)
prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter,
slot->n_elem);
hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot);
if (likely(!task->ata_task.device_control_reg_update))
task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
/* fill in command FIS */
memcpy(buf_cmd, &task->ata_task.fis, sizeof (struct host_to_dev_fis));
}
static void prep_abort_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot)
{
struct sas_task *task = slot->task;
struct sas_internal_abort_task *abort = &task->abort_task;
struct domain_device *dev = task->dev;
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
struct hisi_sas_port *port = slot->port;
struct hisi_sas_device *sas_dev = dev->lldd_dev;
bool sata = dev_is_sata(dev);
/* dw0 */
hdr->dw0 = cpu_to_le32((5U << CMD_HDR_CMD_OFF) | /* abort */
(port->id << CMD_HDR_PORT_OFF) |
(sata << CMD_HDR_ABORT_DEVICE_TYPE_OFF) |
(abort->type << CMD_HDR_ABORT_FLAG_OFF));
/* dw1 */
hdr->dw1 = cpu_to_le32(sas_dev->device_id
<< CMD_HDR_DEV_ID_OFF);
/* dw7 */
hdr->dw7 = cpu_to_le32(abort->tag << CMD_HDR_ABORT_IPTT_OFF);
hdr->transfer_tags = cpu_to_le32(slot->idx);
}
static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
{
int i;
irqreturn_t res;
u32 context, port_id, link_rate;
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
struct asd_sas_phy *sas_phy = &phy->sas_phy;
struct device *dev = hisi_hba->dev;
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 1);
port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
port_id = (port_id >> (HISI_SAS_REG_MEM_SIZE * phy_no)) & 0xf;
link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
link_rate = (link_rate >> (phy_no * HISI_SAS_REG_MEM_SIZE)) & 0xf;
if (port_id == 0xf) {
dev_err(dev, "phyup: phy%d invalid portid\n" , phy_no);
res = IRQ_NONE;
goto end;
}
sas_phy->linkrate = link_rate;
phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
/* Check for SATA dev */
context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
if (context & (1 << phy_no)) {
struct hisi_sas_initial_fis *initial_fis;
struct dev_to_host_fis *fis;
u8 attached_sas_addr[SAS_ADDR_SIZE] = {0};
struct Scsi_Host *shost = hisi_hba->shost;
dev_info(dev, "phyup: phy%d link_rate=%d(sata)\n" , phy_no, link_rate);
initial_fis = &hisi_hba->initial_fis[phy_no];
fis = &initial_fis->fis;
/* check ERR bit of Status Register */
if (fis->status & ATA_ERR) {
dev_warn(dev, "sata int: phy%d FIS status: 0x%x\n" ,
phy_no, fis->status);
hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
res = IRQ_NONE;
goto end;
}
sas_phy->oob_mode = SATA_OOB_MODE;
attached_sas_addr[0] = 0x50;
attached_sas_addr[HOST_NO_OFF] = shost->host_no;
attached_sas_addr[PHY_NO_OFF] = phy_no;
memcpy(sas_phy->attached_sas_addr,
attached_sas_addr,
SAS_ADDR_SIZE);
memcpy(sas_phy->frame_rcvd, fis,
sizeof (struct dev_to_host_fis));
phy->phy_type |= PORT_TYPE_SATA;
phy->identify.device_type = SAS_SATA_DEV;
phy->frame_rcvd_size = sizeof (struct dev_to_host_fis);
phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
} else {
u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
struct sas_identify_frame *id =
(struct sas_identify_frame *)frame_rcvd;
dev_info(dev, "phyup: phy%d link_rate=%d\n" , phy_no, link_rate);
for (i = 0; i < IDENTIFY_REG_READ; i++) {
u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
RX_IDAF_DWORD0 + (i * 4));
frame_rcvd[i] = __swab32(idaf);
}
sas_phy->oob_mode = SAS_OOB_MODE;
memcpy(sas_phy->attached_sas_addr,
&id->sas_addr,
SAS_ADDR_SIZE);
phy->phy_type |= PORT_TYPE_SAS;
phy->identify.device_type = id->dev_type;
phy->frame_rcvd_size = sizeof (struct sas_identify_frame);
if (phy->identify.device_type == SAS_END_DEVICE)
phy->identify.target_port_protocols =
SAS_PROTOCOL_SSP;
else if (phy->identify.device_type != SAS_PHY_UNUSED)
phy->identify.target_port_protocols =
SAS_PROTOCOL_SMP;
}
phy->port_id = port_id;
spin_lock(&phy->lock);
/* Delete timer and set phy_attached atomically */
timer_delete(&phy->timer);
phy->phy_attached = 1;
spin_unlock(&phy->lock);
/*
* Call pm_runtime_get_noresume() which pairs with
* hisi_sas_phyup_pm_work() -> pm_runtime_put_sync().
* For failure call pm_runtime_put() as we are in a hardirq context.
*/
pm_runtime_get_noresume(dev);
res = hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP_PM);
if (!res)
pm_runtime_put(dev);
res = IRQ_HANDLED;
end:
if (phy->reset_completion)
complete(phy->reset_completion);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
CHL_INT0_SL_PHY_ENABLE_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 0);
return res;
}
static irqreturn_t phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
u32 phy_state, sl_ctrl, txid_auto;
struct device *dev = hisi_hba->dev;
atomic_inc(&phy->down_cnt);
timer_delete(&phy->timer);
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 1);
phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
dev_info(dev, "phydown: phy%d phy_state=0x%x\n" , phy_no, phy_state);
hisi_sas_phy_down(hisi_hba, phy_no, (phy_state & 1 << phy_no) ? 1 : 0,
GFP_ATOMIC);
sl_ctrl = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL,
sl_ctrl&(~SL_CTA_MSK));
txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
txid_auto | CT3_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
return IRQ_HANDLED;
}
static irqreturn_t phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
u32 bcast_status;
hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS);
if (bcast_status & RX_BCAST_CHG_MSK)
hisi_sas_phy_bcast(phy);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
CHL_INT0_SL_RX_BCST_ACK_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
return IRQ_HANDLED;
}
static irqreturn_t int_phy_up_down_bcast_v3_hw(int irq_no, void *p)
{
struct hisi_hba *hisi_hba = p;
u32 irq_msk;
int phy_no = 0;
irqreturn_t res = IRQ_NONE;
irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
& 0x11111111;
while (irq_msk) {
if (irq_msk & 1) {
u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no,
CHL_INT0);
u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
int rdy = phy_state & (1 << phy_no);
if (rdy) {
if (irq_value & CHL_INT0_SL_PHY_ENABLE_MSK)
/* phy up */
if (phy_up_v3_hw(phy_no, hisi_hba)
== IRQ_HANDLED)
res = IRQ_HANDLED;
if (irq_value & CHL_INT0_SL_RX_BCST_ACK_MSK)
/* phy bcast */
if (phy_bcast_v3_hw(phy_no, hisi_hba)
== IRQ_HANDLED)
res = IRQ_HANDLED;
} else {
if (irq_value & CHL_INT0_NOT_RDY_MSK)
/* phy down */
if (phy_down_v3_hw(phy_no, hisi_hba)
== IRQ_HANDLED)
res = IRQ_HANDLED;
}
}
irq_msk >>= 4;
phy_no++;
}
return res;
}
static const struct hisi_sas_hw_error port_axi_error[] = {
{
.irq_msk = BIT(CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF),
.msg = "dmac_tx_ecc_bad_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF),
.msg = "dmac_rx_ecc_bad_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF),
.msg = "dma_tx_axi_wr_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF),
.msg = "dma_tx_axi_rd_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF),
.msg = "dma_rx_axi_wr_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF),
.msg = "dma_rx_axi_rd_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_TX_FIFO_ERR_OFF),
.msg = "dma_tx_fifo_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_RX_FIFO_ERR_OFF),
.msg = "dma_rx_fifo_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF),
.msg = "dma_tx_axi_ruser_err" ,
},
{
.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF),
.msg = "dma_rx_axi_ruser_err" ,
},
};
static void handle_chl_int1_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT1);
u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT1_MSK);
struct device *dev = hisi_hba->dev;
int i;
irq_value &= ~irq_msk;
if (!irq_value) {
dev_warn(dev, "phy%d channel int 1 received with status bits cleared\n" ,
phy_no);
return ;
}
for (i = 0; i < ARRAY_SIZE(port_axi_error); i++) {
const struct hisi_sas_hw_error *error = &port_axi_error[i];
if (!(irq_value & error->irq_msk))
continue ;
dev_err(dev, "%s error (phy%d 0x%x) found!\n" ,
error->msg, phy_no, irq_value);
queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT1, irq_value);
}
static void phy_get_events_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
struct asd_sas_phy *sas_phy = &phy->sas_phy;
struct sas_phy *sphy = sas_phy->phy;
unsigned long flags;
u32 reg_value;
spin_lock_irqsave(&phy->lock, flags);
/* loss dword sync */
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DWS_LOST);
sphy->loss_of_dword_sync_count += reg_value;
/* phy reset problem */
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_RESET_PROB);
sphy->phy_reset_problem_count += reg_value;
/* invalid dword */
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_INVLD_DW);
sphy->invalid_dword_count += reg_value;
/* disparity err */
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DISP_ERR);
sphy->running_disparity_error_count += reg_value;
/* code violation error */
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_CODE_ERR);
phy->code_violation_err_count += reg_value;
spin_unlock_irqrestore(&phy->lock, flags);
}
static void handle_chl_int2_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2_MSK);
u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
struct pci_dev *pci_dev = hisi_hba->pci_dev;
struct device *dev = hisi_hba->dev;
static const u32 msk = BIT(CHL_INT2_RX_DISP_ERR_OFF) |
BIT(CHL_INT2_RX_CODE_ERR_OFF) |
BIT(CHL_INT2_RX_INVLD_DW_OFF);
irq_value &= ~irq_msk;
if (!irq_value) {
dev_warn(dev, "phy%d channel int 2 received with status bits cleared\n" ,
phy_no);
return ;
}
if (irq_value & BIT(CHL_INT2_SL_IDAF_TOUT_CONF_OFF)) {
dev_warn(dev, "phy%d identify timeout\n" , phy_no);
hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
}
if (irq_value & BIT(CHL_INT2_STP_LINK_TIMEOUT_OFF)) {
u32 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no,
STP_LINK_TIMEOUT_STATE);
dev_warn(dev, "phy%d stp link timeout (0x%x)\n" ,
phy_no, reg_value);
if (reg_value & BIT(LINK_RESET_TIMEOUT_OFF))
hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
}
if (pci_dev->revision > 0x20 && (irq_value & msk)) {
struct asd_sas_phy *sas_phy = &phy->sas_phy;
struct sas_phy *sphy = sas_phy->phy;
phy_get_events_v3_hw(hisi_hba, phy_no);
if (irq_value & BIT(CHL_INT2_RX_INVLD_DW_OFF))
dev_info(dev, "phy%d invalid dword cnt: %u\n" , phy_no,
sphy->invalid_dword_count);
if (irq_value & BIT(CHL_INT2_RX_CODE_ERR_OFF))
dev_info(dev, "phy%d code violation cnt: %u\n" , phy_no,
phy->code_violation_err_count);
if (irq_value & BIT(CHL_INT2_RX_DISP_ERR_OFF))
dev_info(dev, "phy%d disparity error cnt: %u\n" , phy_no,
sphy->running_disparity_error_count);
}
if ((irq_value & BIT(CHL_INT2_RX_INVLD_DW_OFF)) &&
(pci_dev->revision == 0x20)) {
u32 reg_value;
int rc;
rc = hisi_sas_read32_poll_timeout_atomic(
HILINK_ERR_DFX, reg_value,
!((reg_value >> 8) & BIT(phy_no)),
1000, 10000);
if (rc)
hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
}
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, irq_value);
}
static void handle_chl_int0_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 irq_value0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
if (irq_value0 & CHL_INT0_PHY_RDY_MSK)
hisi_sas_phy_oob_ready(hisi_hba, phy_no);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
irq_value0 & (~CHL_INT0_SL_RX_BCST_ACK_MSK)
& (~CHL_INT0_SL_PHY_ENABLE_MSK)
& (~CHL_INT0_NOT_RDY_MSK));
}
static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p)
{
struct hisi_hba *hisi_hba = p;
u32 irq_msk;
int phy_no = 0;
irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS) & CHNL_INT_STS_MSK;
while (irq_msk) {
if (irq_msk & (CHNL_INT_STS_INT0_MSK << (phy_no * CHNL_WIDTH)))
handle_chl_int0_v3_hw(hisi_hba, phy_no);
if (irq_msk & (CHNL_INT_STS_INT1_MSK << (phy_no * CHNL_WIDTH)))
handle_chl_int1_v3_hw(hisi_hba, phy_no);
if (irq_msk & (CHNL_INT_STS_INT2_MSK << (phy_no * CHNL_WIDTH)))
handle_chl_int2_v3_hw(hisi_hba, phy_no);
irq_msk &= ~(CHNL_INT_STS_PHY_MSK << (phy_no * CHNL_WIDTH));
phy_no++;
}
return IRQ_HANDLED;
}
static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = {
{
.irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF),
.msk = HGC_DQE_ECC_MB_ADDR_MSK,
.shift = HGC_DQE_ECC_MB_ADDR_OFF,
.msg = "hgc_dqe_eccbad_intr" ,
.reg = HGC_DQE_ECC_ADDR,
},
{
.irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF),
.msk = HGC_IOST_ECC_MB_ADDR_MSK,
.shift = HGC_IOST_ECC_MB_ADDR_OFF,
.msg = "hgc_iost_eccbad_intr" ,
.reg = HGC_IOST_ECC_ADDR,
},
{
.irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF),
.msk = HGC_ITCT_ECC_MB_ADDR_MSK,
.shift = HGC_ITCT_ECC_MB_ADDR_OFF,
.msg = "hgc_itct_eccbad_intr" ,
.reg = HGC_ITCT_ECC_ADDR,
},
{
.irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF),
.msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
.shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
.msg = "hgc_iostl_eccbad_intr" ,
.reg = HGC_LM_DFX_STATUS2,
},
{
.irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF),
.msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
.shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
.msg = "hgc_itctl_eccbad_intr" ,
.reg = HGC_LM_DFX_STATUS2,
},
{
.irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF),
.msk = HGC_CQE_ECC_MB_ADDR_MSK,
.shift = HGC_CQE_ECC_MB_ADDR_OFF,
.msg = "hgc_cqe_eccbad_intr" ,
.reg = HGC_CQE_ECC_ADDR,
},
{
.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF),
.msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
.shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
.msg = "rxm_mem0_eccbad_intr" ,
.reg = HGC_RXM_DFX_STATUS14,
},
{
.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF),
.msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
.shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
.msg = "rxm_mem1_eccbad_intr" ,
.reg = HGC_RXM_DFX_STATUS14,
},
--> --------------------
--> maximum size reached
--> --------------------
Messung V0.5 C=93 H=96 G=94
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