| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Linux/drivers/net/ethernet/qlogic/qed/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 116 kB |
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SSL qed_mcp.cSprache: C |
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) /* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation * Copyright (c) 2019-2020 Marvell International Ltd. */ #include <linux/types.h> #include <asm/byteorder.h> #include <linux/delay.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/string.h> #include <linux/etherdevice.h> #include "qed.h" #include "qed_cxt.h" #include "qed_dcbx.h" #include "qed_hsi.h" #include "qed_mfw_hsi.h" #include "qed_hw.h" #include "qed_mcp.h" #include "qed_reg_addr.h" #include "qed_sriov.h" #define GRCBASE_MCP 0xe00000 #define QED_MCP_RESP_ITER_US 10 #define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */ #define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */ #define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \ qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)), \ _val) #define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \ qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset))) #define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \ DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \ offsetof(struct public_drv_mb, _field), _val) #define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \ DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \ offsetof(struct public_drv_mb, _field)) #define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \ DRV_ID_PDA_COMP_VER_SHIFT) #define MCP_BYTES_PER_MBIT_SHIFT 17 bool qed_mcp_is_init(struct qed_hwfn *p_hwfn) { if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base) return false; return true; } void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, PUBLIC_PORT); u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr); p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize, MFW_PORT(p_hwfn)); DP_VERBOSE(p_hwfn, QED_MSG_SP, "port_addr = 0x%x, port_id 0x%02x\n", p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn)); } void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length); u32 tmp, i; if (!p_hwfn->mcp_info->public_base) return; for (i = 0; i < length; i++) { tmp = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->mfw_mb_addr + (i << 2) + sizeof(u32)); /* The MB data is actually BE; Need to force it to cpu */ ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] = be32_to_cpu((__force __be32)tmp); } } struct qed_mcp_cmd_elem { struct list_head list; struct qed_mcp_mb_params *p_mb_params; u16 expected_seq_num; bool b_is_completed; }; /* Must be called while cmd_lock is acquired */ static struct qed_mcp_cmd_elem * qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn, struct qed_mcp_mb_params *p_mb_params, u16 expected_seq_num) { struct qed_mcp_cmd_elem *p_cmd_elem = NULL; p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC); if (!p_cmd_elem) goto out; p_cmd_elem->p_mb_params = p_mb_params; p_cmd_elem->expected_seq_num = expected_seq_num; list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list); out: return p_cmd_elem; } /* Must be called while cmd_lock is acquired */ static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn, struct qed_mcp_cmd_elem *p_cmd_elem) { list_del(&p_cmd_elem->list); kfree(p_cmd_elem); } /* Must be called while cmd_lock is acquired */ static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn, u16 seq_num) { struct qed_mcp_cmd_elem *p_cmd_elem = NULL; list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) { if (p_cmd_elem->expected_seq_num == seq_num) return p_cmd_elem; } return NULL; } int qed_mcp_free(struct qed_hwfn *p_hwfn) { if (p_hwfn->mcp_info) { struct qed_mcp_cmd_elem *p_cmd_elem = NULL, *p_tmp; kfree(p_hwfn->mcp_info->mfw_mb_cur); kfree(p_hwfn->mcp_info->mfw_mb_shadow); spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); list_for_each_entry_safe(p_cmd_elem, p_tmp, &p_hwfn->mcp_info->cmd_list, list) { qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem); } spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); } kfree(p_hwfn->mcp_info); p_hwfn->mcp_info = NULL; return 0; } /* Maximum of 1 sec to wait for the SHMEM ready indication */ #define QED_MCP_SHMEM_RDY_MAX_RETRIES 20 #define QED_MCP_SHMEM_RDY_ITER_MS 50 static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_info *p_info = p_hwfn->mcp_info; u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES; u8 msec = QED_MCP_SHMEM_RDY_ITER_MS; u32 drv_mb_offsize, mfw_mb_offsize; u32 mcp_pf_id = MCP_PF_ID(p_hwfn); p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR); if (!p_info->public_base) { DP_NOTICE(p_hwfn, "The address of the MCP scratch-pad is not configured\n"); return -EINVAL; } p_info->public_base |= GRCBASE_MCP; /* Get the MFW MB address and number of supported messages */ mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, SECTION_OFFSIZE_ADDR(p_info->public_base, PUBLIC_MFW_MB)); p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id); p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr + offsetof(struct public_mfw_mb, sup_msgs)); /* The driver can notify that there was an MCP reset, and might read the * SHMEM values before the MFW has completed initializing them. * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a * data ready indication. */ while (!p_info->mfw_mb_length && --cnt) { msleep(msec); p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr + offsetof(struct public_mfw_mb, sup_msgs)); } if (!cnt) { DP_NOTICE(p_hwfn, "Failed to get the SHMEM ready notification after %d msec\n", QED_MCP_SHMEM_RDY_MAX_RETRIES * msec); return -EBUSY; } /* Calculate the driver and MFW mailbox address */ drv_mb_offsize = qed_rd(p_hwfn, p_ptt, SECTION_OFFSIZE_ADDR(p_info->public_base, PUBLIC_DRV_MB)); p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id); DP_VERBOSE(p_hwfn, QED_MSG_SP, "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n", drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id); /* Get the current driver mailbox sequence before sending * the first command */ p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) & DRV_MSG_SEQ_NUMBER_MASK; /* Get current FW pulse sequence */ p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) & DRV_PULSE_SEQ_MASK; p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); return 0; } int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_info *p_info; u32 size; /* Allocate mcp_info structure */ p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL); if (!p_hwfn->mcp_info) goto err; p_info = p_hwfn->mcp_info; /* Initialize the MFW spinlock */ spin_lock_init(&p_info->cmd_lock); spin_lock_init(&p_info->link_lock); spin_lock_init(&p_info->unload_lock); INIT_LIST_HEAD(&p_info->cmd_list); if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) { DP_NOTICE(p_hwfn, "MCP is not initialized\n"); /* Do not free mcp_info here, since public_base indicate that * the MCP is not initialized */ return 0; } size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32); p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL); p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL); if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow) goto err; return 0; err: qed_mcp_free(p_hwfn); return -ENOMEM; } static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); /* Use MCP history register to check if MCP reset occurred between init * time and now. */ if (p_hwfn->mcp_info->mcp_hist != generic_por_0) { DP_VERBOSE(p_hwfn, QED_MSG_SP, "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n", p_hwfn->mcp_info->mcp_hist, generic_por_0); qed_load_mcp_offsets(p_hwfn, p_ptt); qed_mcp_cmd_port_init(p_hwfn, p_ptt); } } int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0; int rc = 0; if (p_hwfn->mcp_info->b_block_cmd) { DP_NOTICE(p_hwfn, "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n"); return -EBUSY; } /* Ensure that only a single thread is accessing the mailbox */ spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); /* Set drv command along with the updated sequence */ qed_mcp_reread_offsets(p_hwfn, p_ptt); seq = ++p_hwfn->mcp_info->drv_mb_seq; DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq)); do { /* Wait for MFW response */ udelay(delay); /* Give the FW up to 500 second (50*1000*10usec) */ } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) && (cnt++ < QED_MCP_RESET_RETRIES)); if (org_mcp_reset_seq != qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) { DP_VERBOSE(p_hwfn, QED_MSG_SP, "MCP was reset after %d usec\n", cnt * delay); } else { DP_ERR(p_hwfn, "Failed to reset MCP\n"); rc = -EAGAIN; } spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); return rc; } /* Must be called while cmd_lock is acquired */ static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn) { struct qed_mcp_cmd_elem *p_cmd_elem; /* There is at most one pending command at a certain time, and if it * exists - it is placed at the HEAD of the list. */ if (!list_empty(&p_hwfn->mcp_info->cmd_list)) { p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list, struct qed_mcp_cmd_elem, list); return !p_cmd_elem->b_is_completed; } return false; } /* Must be called while cmd_lock is acquired */ static int qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_mb_params *p_mb_params; struct qed_mcp_cmd_elem *p_cmd_elem; u32 mcp_resp; u16 seq_num; mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header); seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK); /* Return if no new non-handled response has been received */ if (seq_num != p_hwfn->mcp_info->drv_mb_seq) return -EAGAIN; p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num); if (!p_cmd_elem) { DP_ERR(p_hwfn, "Failed to find a pending mailbox cmd that expects sequence number %d\n", seq_num); return -EINVAL; } p_mb_params = p_cmd_elem->p_mb_params; /* Get the MFW response along with the sequence number */ p_mb_params->mcp_resp = mcp_resp; /* Get the MFW param */ p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param); /* Get the union data */ if (p_mb_params->p_data_dst && p_mb_params->data_dst_size) { u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr + offsetof(struct public_drv_mb, union_data); qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst, union_data_addr, p_mb_params->data_dst_size); } p_cmd_elem->b_is_completed = true; return 0; } /* Must be called while cmd_lock is acquired */ static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_mb_params *p_mb_params, u16 seq_num) { union drv_union_data union_data; u32 union_data_addr; /* Set the union data */ union_data_addr = p_hwfn->mcp_info->drv_mb_addr + offsetof(struct public_drv_mb, union_data); memset(&union_data, 0, sizeof(union_data)); if (p_mb_params->p_data_src && p_mb_params->data_src_size) memcpy(&union_data, p_mb_params->p_data_src, p_mb_params->data_src_size); qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data, sizeof(union_data)); /* Set the drv param */ DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param); /* Set the drv command along with the sequence number */ DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num)); DP_VERBOSE(p_hwfn, QED_MSG_SP, "MFW mailbox: command 0x%08x param 0x%08x\n", (p_mb_params->cmd | seq_num), p_mb_params->param); } static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd) { p_hwfn->mcp_info->b_block_cmd = block_cmd; DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n", block_cmd ? "Block" : "Unblock"); } static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2; u32 delay = QED_MCP_RESP_ITER_US; cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE); cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE); cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER); udelay(delay); cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER); udelay(delay); cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER); DP_NOTICE(p_hwfn, "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n", cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2); } static int _qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_mb_params *p_mb_params) { struct qed_mcp_cmd_elem *p_cmd_elem; u16 seq_num; u32 cnt = 0; int rc = 0; /* Wait until the mailbox is non-occupied */ do { /* Exit the loop if there is no pending command, or if the * pending command is completed during this iteration. * The spinlock stays locked until the command is sent. */ spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); if (!qed_mcp_has_pending_cmd(p_hwfn)) break; rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt); if (!rc) break; else if (rc != -EAGAIN) goto err; spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) usleep_range(QED_MCP_RESP_ITER_US, QED_MCP_RESP_ITER_US * 2); else udelay(QED_MCP_RESP_ITER_US); } while (++cnt < QED_DRV_MB_MAX_RETRIES); if (cnt >= QED_DRV_MB_MAX_RETRIES) { DP_NOTICE(p_hwfn, "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x p_mb_params->cmd, p_mb_params->param); return -EAGAIN; } /* Send the mailbox command */ qed_mcp_reread_offsets(p_hwfn, p_ptt); seq_num = ++p_hwfn->mcp_info->drv_mb_seq; p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num); if (!p_cmd_elem) { rc = -ENOMEM; goto err; } __qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num); spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); /* Wait for the MFW response */ do { /* Exit the loop if the command is already completed, or if the * command is completed during this iteration. * The spinlock stays locked until the list element is removed. */ if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) usleep_range(QED_MCP_RESP_ITER_US, QED_MCP_RESP_ITER_US * 2); else udelay(QED_MCP_RESP_ITER_US); spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); if (p_cmd_elem->b_is_completed) break; rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt); if (!rc) break; else if (rc != -EAGAIN) goto err; spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); } while (++cnt < QED_DRV_MB_MAX_RETRIES); if (cnt >= QED_DRV_MB_MAX_RETRIES) { DP_NOTICE(p_hwfn, "The MFW failed to respond to command 0x%08x [param 0x%08x].\n", p_mb_params->cmd, p_mb_params->param); qed_mcp_print_cpu_info(p_hwfn, p_ptt); spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem); spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK)) qed_mcp_cmd_set_blocking(p_hwfn, true); qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_MFW_RESP_FAIL, NULL); return -EAGAIN; } qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem); spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); DP_VERBOSE(p_hwfn, QED_MSG_SP, "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n", p_mb_params->mcp_resp, p_mb_params->mcp_param, (cnt * QED_MCP_RESP_ITER_US) / 1000, (cnt * QED_MCP_RESP_ITER_US) % 1000); /* Clear the sequence number from the MFW response */ p_mb_params->mcp_resp &= FW_MSG_CODE_MASK; return 0; err: spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); return rc; } static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_mb_params *p_mb_params) { size_t union_data_size = sizeof(union drv_union_data); /* MCP not initialized */ if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized!\n"); return -EBUSY; } if (p_hwfn->mcp_info->b_block_cmd) { DP_NOTICE(p_hwfn, "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n", p_mb_params->cmd, p_mb_params->param); return -EBUSY; } if (p_mb_params->data_src_size > union_data_size || p_mb_params->data_dst_size > union_data_size) { DP_ERR(p_hwfn, "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_si p_mb_params->data_src_size, p_mb_params->data_dst_size, union_data_size); return -EINVAL; } return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params); } static int _qed_mcp_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 cmd, u32 param, u32 *o_mcp_resp, u32 *o_mcp_param, bool can_sleep) { struct qed_mcp_mb_params mb_params; int rc; memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = cmd; mb_params.param = param; mb_params.flags = can_sleep ? QED_MB_FLAG_CAN_SLEEP : 0; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) return rc; *o_mcp_resp = mb_params.mcp_resp; *o_mcp_param = mb_params.mcp_param; return 0; } int qed_mcp_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 cmd, u32 param, u32 *o_mcp_resp, u32 *o_mcp_param) { return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param, o_mcp_resp, o_mcp_param, true)); } int qed_mcp_cmd_nosleep(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 cmd, u32 param, u32 *o_mcp_resp, u32 *o_mcp_param) { return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param, o_mcp_resp, o_mcp_param, false)); } static int qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 cmd, u32 param, u32 *o_mcp_resp, u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf) { struct qed_mcp_mb_params mb_params; int rc; memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = cmd; mb_params.param = param; mb_params.p_data_src = i_buf; mb_params.data_src_size = (u8)i_txn_size; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) return rc; *o_mcp_resp = mb_params.mcp_resp; *o_mcp_param = mb_params.mcp_param; /* nvm_info needs to be updated */ p_hwfn->nvm_info.valid = false; return 0; } int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 cmd, u32 param, u32 *o_mcp_resp, u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf, bool b_can_sleep) { struct qed_mcp_mb_params mb_params; u8 raw_data[MCP_DRV_NVM_BUF_LEN]; int rc; memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = cmd; mb_params.param = param; mb_params.p_data_dst = raw_data; /* Use the maximal value since the actual one is part of the response */ mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN; if (b_can_sleep) mb_params.flags = QED_MB_FLAG_CAN_SLEEP; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) return rc; *o_mcp_resp = mb_params.mcp_resp; *o_mcp_param = mb_params.mcp_param; *o_txn_size = *o_mcp_param; memcpy(o_buf, raw_data, *o_txn_size); return 0; } static bool qed_mcp_can_force_load(u8 drv_role, u8 exist_drv_role, enum qed_override_force_load override_force_load) { bool can_force_load = false; switch (override_force_load) { case QED_OVERRIDE_FORCE_LOAD_ALWAYS: can_force_load = true; break; case QED_OVERRIDE_FORCE_LOAD_NEVER: can_force_load = false; break; default: can_force_load = (drv_role == DRV_ROLE_OS && exist_drv_role == DRV_ROLE_PREBOOT) || (drv_role == DRV_ROLE_KDUMP && exist_drv_role == DRV_ROLE_OS); break; } return can_force_load; } static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 resp = 0, param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0, &resp, ¶m); if (rc) DP_NOTICE(p_hwfn, "Failed to send cancel load request, rc = %d\n", rc); return rc; } #define BITMAP_IDX_FOR_CONFIG_QEDE BIT(0) #define BITMAP_IDX_FOR_CONFIG_QED_SRIOV BIT(1) #define BITMAP_IDX_FOR_CONFIG_QEDR BIT(2) #define BITMAP_IDX_FOR_CONFIG_QEDF BIT(4) #define BITMAP_IDX_FOR_CONFIG_QEDI BIT(5) #define BITMAP_IDX_FOR_CONFIG_QED_LL2 BIT(6) static u32 qed_get_config_bitmap(void) { u32 config_bitmap = 0x0; if (IS_ENABLED(CONFIG_QEDE)) config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDE; if (IS_ENABLED(CONFIG_QED_SRIOV)) config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_SRIOV; if (IS_ENABLED(CONFIG_QED_RDMA)) config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDR; if (IS_ENABLED(CONFIG_QED_FCOE)) config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDF; if (IS_ENABLED(CONFIG_QED_ISCSI)) config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDI; if (IS_ENABLED(CONFIG_QED_LL2)) config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_LL2; return config_bitmap; } struct qed_load_req_in_params { u8 hsi_ver; #define QED_LOAD_REQ_HSI_VER_DEFAULT 0 #define QED_LOAD_REQ_HSI_VER_1 1 u32 drv_ver_0; u32 drv_ver_1; u32 fw_ver; u8 drv_role; u8 timeout_val; u8 force_cmd; bool avoid_eng_reset; }; struct qed_load_req_out_params { u32 load_code; u32 exist_drv_ver_0; u32 exist_drv_ver_1; u32 exist_fw_ver; u8 exist_drv_role; u8 mfw_hsi_ver; bool drv_exists; }; static int __qed_mcp_load_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_load_req_in_params *p_in_params, struct qed_load_req_out_params *p_out_params) { struct qed_mcp_mb_params mb_params; struct load_req_stc load_req; struct load_rsp_stc load_rsp; u32 hsi_ver; int rc; memset(&load_req, 0, sizeof(load_req)); load_req.drv_ver_0 = p_in_params->drv_ver_0; load_req.drv_ver_1 = p_in_params->drv_ver_1; load_req.fw_ver = p_in_params->fw_ver; QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role); QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO, p_in_params->timeout_val); QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE, p_in_params->force_cmd); QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0, p_in_params->avoid_eng_reset); hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ? DRV_ID_MCP_HSI_VER_CURRENT : (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT); memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_LOAD_REQ; mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type; mb_params.p_data_src = &load_req; mb_params.data_src_size = sizeof(load_req); mb_params.p_data_dst = &load_rsp; mb_params.data_dst_size = sizeof(load_rsp); mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK; DP_VERBOSE(p_hwfn, QED_MSG_SP, "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n", mb_params.param, QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW), QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE), QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER), QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER)); if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) { DP_VERBOSE(p_hwfn, QED_MSG_SP, "Load Request: drv_ver 0x%08x_0x%08x, fw_ver 0x%08x, misc0 0x%08x [role %d, timeout %d, forc load_req.drv_ver_0, load_req.drv_ver_1, load_req.fw_ver, load_req.misc0, QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE), QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO), QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE), QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0)); } rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) { DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc); return rc; } DP_VERBOSE(p_hwfn, QED_MSG_SP, "Load Response: resp 0x%08x\n", mb_params.mcp_resp); p_out_params->load_code = mb_params.mcp_resp; if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 && p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) { DP_VERBOSE(p_hwfn, QED_MSG_SP, "Load Response: exist_drv_ver 0x%08x_0x%08x, exist_fw_ver 0x%08x, misc0 0x%08x [exist_ro load_rsp.drv_ver_0, load_rsp.drv_ver_1, load_rsp.fw_ver, load_rsp.misc0, QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE), QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI), QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0)); p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0; p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1; p_out_params->exist_fw_ver = load_rsp.fw_ver; p_out_params->exist_drv_role = QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE); p_out_params->mfw_hsi_ver = QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI); p_out_params->drv_exists = QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) & LOAD_RSP_FLAGS0_DRV_EXISTS; } return 0; } static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn, enum qed_drv_role drv_role, u8 *p_mfw_drv_role) { switch (drv_role) { case QED_DRV_ROLE_OS: *p_mfw_drv_role = DRV_ROLE_OS; break; case QED_DRV_ROLE_KDUMP: *p_mfw_drv_role = DRV_ROLE_KDUMP; break; default: DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role); return -EINVAL; } return 0; } enum qed_load_req_force { QED_LOAD_REQ_FORCE_NONE, QED_LOAD_REQ_FORCE_PF, QED_LOAD_REQ_FORCE_ALL, }; static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn, enum qed_load_req_force force_cmd, u8 *p_mfw_force_cmd) { switch (force_cmd) { case QED_LOAD_REQ_FORCE_NONE: *p_mfw_force_cmd = LOAD_REQ_FORCE_NONE; break; case QED_LOAD_REQ_FORCE_PF: *p_mfw_force_cmd = LOAD_REQ_FORCE_PF; break; case QED_LOAD_REQ_FORCE_ALL: *p_mfw_force_cmd = LOAD_REQ_FORCE_ALL; break; } } int qed_mcp_load_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_load_req_params *p_params) { struct qed_load_req_out_params out_params; struct qed_load_req_in_params in_params; u8 mfw_drv_role, mfw_force_cmd; int rc; memset(&in_params, 0, sizeof(in_params)); in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT; in_params.drv_ver_1 = qed_get_config_bitmap(); in_params.fw_ver = STORM_FW_VERSION; rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role); if (rc) return rc; in_params.drv_role = mfw_drv_role; in_params.timeout_val = p_params->timeout_val; qed_get_mfw_force_cmd(p_hwfn, QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd); in_params.force_cmd = mfw_force_cmd; in_params.avoid_eng_reset = p_params->avoid_eng_reset; memset(&out_params, 0, sizeof(out_params)); rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params); if (rc) return rc; /* First handle cases where another load request should/might be sent: * - MFW expects the old interface [HSI version = 1] * - MFW responds that a force load request is required */ if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) { DP_INFO(p_hwfn, "MFW refused a load request due to HSI > 1. Resending with HSI = 1\n"); in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1; memset(&out_params, 0, sizeof(out_params)); rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params); if (rc) return rc; } else if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) { if (qed_mcp_can_force_load(in_params.drv_role, out_params.exist_drv_role, p_params->override_force_load)) { DP_INFO(p_hwfn, "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, exi in_params.drv_role, in_params.fw_ver, in_params.drv_ver_0, in_params.drv_ver_1, out_params.exist_drv_role, out_params.exist_fw_ver, out_params.exist_drv_ver_0, out_params.exist_drv_ver_1); qed_get_mfw_force_cmd(p_hwfn, QED_LOAD_REQ_FORCE_ALL, &mfw_force_cmd); in_params.force_cmd = mfw_force_cmd; memset(&out_params, 0, sizeof(out_params)); rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params); if (rc) return rc; } else { DP_NOTICE(p_hwfn, "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, exi in_params.drv_role, in_params.fw_ver, in_params.drv_ver_0, in_params.drv_ver_1, out_params.exist_drv_role, out_params.exist_fw_ver, out_params.exist_drv_ver_0, out_params.exist_drv_ver_1); DP_NOTICE(p_hwfn, "Avoid sending a force load request to prevent disruption of active PFs\n"); qed_mcp_cancel_load_req(p_hwfn, p_ptt); return -EBUSY; } } /* Now handle the other types of responses. * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not * expected here after the additional revised load requests were sent. */ switch (out_params.load_code) { case FW_MSG_CODE_DRV_LOAD_ENGINE: case FW_MSG_CODE_DRV_LOAD_PORT: case FW_MSG_CODE_DRV_LOAD_FUNCTION: if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 && out_params.drv_exists) { /* The role and fw/driver version match, but the PF is * already loaded and has not been unloaded gracefully. */ DP_NOTICE(p_hwfn, "PF is already loaded\n"); return -EINVAL; } break; default: DP_NOTICE(p_hwfn, "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n", out_params.load_code); return -EBUSY; } p_params->load_code = out_params.load_code; return 0; } int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 resp = 0, param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp, ¶m); if (rc) { DP_NOTICE(p_hwfn, "Failed to send a LOAD_DONE command, rc = %d\n", rc); return rc; } /* Check if there is a DID mismatch between nvm-cfg/efuse */ if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR) DP_NOTICE(p_hwfn, "warning: device configuration is not supported on this board type. The device may not functio return 0; } #define MFW_COMPLETION_MAX_ITER 5000 #define MFW_COMPLETION_INTERVAL_MS 1 int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_mb_params mb_params; u32 cnt = MFW_COMPLETION_MAX_ITER; u32 wol_param; int rc; switch (p_hwfn->cdev->wol_config) { case QED_OV_WOL_DISABLED: wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED; break; case QED_OV_WOL_ENABLED: wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED; break; default: DP_NOTICE(p_hwfn, "Unknown WoL configuration %02x\n", p_hwfn->cdev->wol_config); fallthrough; case QED_OV_WOL_DEFAULT: wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP; } memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ; mb_params.param = wol_param; mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK; spin_lock_bh(&p_hwfn->mcp_info->unload_lock); set_bit(QED_MCP_BYPASS_PROC_BIT, &p_hwfn->mcp_info->mcp_handling_status); spin_unlock_bh(&p_hwfn->mcp_info->unload_lock); rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); while (test_bit(QED_MCP_IN_PROCESSING_BIT, &p_hwfn->mcp_info->mcp_handling_status) && --cnt) msleep(MFW_COMPLETION_INTERVAL_MS); if (!cnt) DP_NOTICE(p_hwfn, "Failed to wait MFW event completion after %d msec\n", MFW_COMPLETION_MAX_ITER * MFW_COMPLETION_INTERVAL_MS); return rc; } int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_mb_params mb_params; struct mcp_mac wol_mac; memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE; /* Set the primary MAC if WoL is enabled */ if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) { u8 *p_mac = p_hwfn->cdev->wol_mac; memset(&wol_mac, 0, sizeof(wol_mac)); wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1]; wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 | p_mac[4] << 8 | p_mac[5]; DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFDOWN), "Setting WoL MAC: %pM --> [%08x,%08x]\n", p_mac, wol_mac.mac_upper, wol_mac.mac_lower); mb_params.p_data_src = &wol_mac; mb_params.data_src_size = sizeof(wol_mac); } return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); } static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, PUBLIC_PATH); u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); u32 path_addr = SECTION_ADDR(mfw_path_offsize, QED_PATH_ID(p_hwfn)); u32 disabled_vfs[VF_MAX_STATIC / 32]; int i; DP_VERBOSE(p_hwfn, QED_MSG_SP, "Reading Disabled VF information from [offset %08x], path_addr %08x\n", mfw_path_offsize, path_addr); for (i = 0; i < (VF_MAX_STATIC / 32); i++) { disabled_vfs[i] = qed_rd(p_hwfn, p_ptt, path_addr + offsetof(struct public_path, mcp_vf_disabled) + sizeof(u32) * i); DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV), "FLR-ed VFs [%08x,...,%08x] - %08x\n", i * 32, (i + 1) * 32 - 1, disabled_vfs[i]); } if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs)) qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG); } int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *vfs_to_ack) { u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, PUBLIC_FUNC); u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr); u32 func_addr = SECTION_ADDR(mfw_func_offsize, MCP_PF_ID(p_hwfn)); struct qed_mcp_mb_params mb_params; int rc; int i; for (i = 0; i < (VF_MAX_STATIC / 32); i++) DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV), "Acking VFs [%08x,...,%08x] - %08x\n", i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]); memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE; mb_params.p_data_src = vfs_to_ack; mb_params.data_src_size = VF_MAX_STATIC / 8; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) { DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n"); return -EBUSY; } /* Clear the ACK bits */ for (i = 0; i < (VF_MAX_STATIC / 32); i++) qed_wr(p_hwfn, p_ptt, func_addr + offsetof(struct public_func, drv_ack_vf_disabled) + i * sizeof(u32), 0); return rc; } static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 transceiver_state; transceiver_state = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + offsetof(struct public_port, transceiver_data)); DP_VERBOSE(p_hwfn, (NETIF_MSG_HW | QED_MSG_SP), "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n", transceiver_state, (u32)(p_hwfn->mcp_info->port_addr + offsetof(struct public_port, transceiver_data))); transceiver_state = GET_FIELD(transceiver_state, ETH_TRANSCEIVER_STATE); if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT) DP_NOTICE(p_hwfn, "Transceiver is present.\n"); else DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n"); } static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_link_state *p_link) { u32 eee_status, val; p_link->eee_adv_caps = 0; p_link->eee_lp_adv_caps = 0; eee_status = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + offsetof(struct public_port, eee_status)); p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT); val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET; if (val & EEE_1G_ADV) p_link->eee_adv_caps |= QED_EEE_1G_ADV; if (val & EEE_10G_ADV) p_link->eee_adv_caps |= QED_EEE_10G_ADV; val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET; if (val & EEE_1G_ADV) p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV; if (val & EEE_10G_ADV) p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV; } static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct public_func *p_data, int pfid) { u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, PUBLIC_FUNC); u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); u32 func_addr; u32 i, size; func_addr = SECTION_ADDR(mfw_path_offsize, pfid); memset(p_data, 0, sizeof(*p_data)); size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize)); for (i = 0; i < size / sizeof(u32); i++) ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt, func_addr + (i << 2)); return size; } static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn, struct public_func *p_shmem_info) { struct qed_mcp_function_info *p_info; p_info = &p_hwfn->mcp_info->func_info; p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config, FUNC_MF_CFG_MIN_BW); if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) { DP_INFO(p_hwfn, "bandwidth minimum out of bounds [%02x]. Set to 1\n", p_info->bandwidth_min); p_info->bandwidth_min = 1; } p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config, FUNC_MF_CFG_MAX_BW); if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) { DP_INFO(p_hwfn, "bandwidth maximum out of bounds [%02x]. Set to 100\n", p_info->bandwidth_max); p_info->bandwidth_max = 100; } } static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_reset) { struct qed_mcp_link_state *p_link; u8 max_bw, min_bw; u32 status = 0; /* Prevent SW/attentions from doing this at the same time */ spin_lock_bh(&p_hwfn->mcp_info->link_lock); p_link = &p_hwfn->mcp_info->link_output; memset(p_link, 0, sizeof(*p_link)); if (!b_reset) { status = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + offsetof(struct public_port, link_status)); DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP), "Received link update [0x%08x] from mfw [Addr 0x%x]\n", status, (u32)(p_hwfn->mcp_info->port_addr + offsetof(struct public_port, link_status))); } else { DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link indications\n"); goto out; } if (p_hwfn->b_drv_link_init) { /* Link indication with modern MFW arrives as per-PF * indication. */ if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_VLINK) { struct public_func shmem_info; qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); p_link->link_up = !!(shmem_info.status & FUNC_STATUS_VIRTUAL_LINK_UP); qed_read_pf_bandwidth(p_hwfn, &shmem_info); DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Virtual link_up = %d\n", p_link->link_up); } else { p_link->link_up = !!(status & LINK_STATUS_LINK_UP); DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Physical link_up = %d\n", p_link->link_up); } } else { p_link->link_up = false; } p_link->full_duplex = true; switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) { case LINK_STATUS_SPEED_AND_DUPLEX_100G: p_link->speed = 100000; break; case LINK_STATUS_SPEED_AND_DUPLEX_50G: p_link->speed = 50000; break; case LINK_STATUS_SPEED_AND_DUPLEX_40G: p_link->speed = 40000; break; case LINK_STATUS_SPEED_AND_DUPLEX_25G: p_link->speed = 25000; break; case LINK_STATUS_SPEED_AND_DUPLEX_20G: p_link->speed = 20000; break; case LINK_STATUS_SPEED_AND_DUPLEX_10G: p_link->speed = 10000; break; case LINK_STATUS_SPEED_AND_DUPLEX_1000THD: p_link->full_duplex = false; fallthrough; case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD: p_link->speed = 1000; break; default: p_link->speed = 0; p_link->link_up = 0; } if (p_link->link_up && p_link->speed) p_link->line_speed = p_link->speed; else p_link->line_speed = 0; max_bw = p_hwfn->mcp_info->func_info.bandwidth_max; min_bw = p_hwfn->mcp_info->func_info.bandwidth_min; /* Max bandwidth configuration */ __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw); /* Min bandwidth configuration */ __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw); qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt, p_link->min_pf_rate); p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED); p_link->an_complete = !!(status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE); p_link->parallel_detection = !!(status & LINK_STATUS_PARALLEL_DETECTION_USED); p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED); p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ? QED_LINK_PARTNER_SPEED_1G_FD : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ? QED_LINK_PARTNER_SPEED_1G_HD : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ? QED_LINK_PARTNER_SPEED_10G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ? QED_LINK_PARTNER_SPEED_20G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ? QED_LINK_PARTNER_SPEED_25G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ? QED_LINK_PARTNER_SPEED_40G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ? QED_LINK_PARTNER_SPEED_50G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ? QED_LINK_PARTNER_SPEED_100G : 0; p_link->partner_tx_flow_ctrl_en = !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED); p_link->partner_rx_flow_ctrl_en = !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED); switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) { case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE: p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE; break; case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE: p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE; break; case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE: p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE; break; default: p_link->partner_adv_pause = 0; } p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT); if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link); if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) { switch (status & LINK_STATUS_FEC_MODE_MASK) { case LINK_STATUS_FEC_MODE_NONE: p_link->fec_active = QED_FEC_MODE_NONE; break; case LINK_STATUS_FEC_MODE_FIRECODE_CL74: p_link->fec_active = QED_FEC_MODE_FIRECODE; break; case LINK_STATUS_FEC_MODE_RS_CL91: p_link->fec_active = QED_FEC_MODE_RS; break; default: p_link->fec_active = QED_FEC_MODE_AUTO; } } else { p_link->fec_active = QED_FEC_MODE_UNSUPPORTED; } qed_link_update(p_hwfn, p_ptt); out: spin_unlock_bh(&p_hwfn->mcp_info->link_lock); } int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up) { struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input; struct qed_mcp_mb_params mb_params; struct eth_phy_cfg phy_cfg; u32 cmd, fec_bit = 0; u32 val, ext_speed; int rc = 0; /* Set the shmem configuration according to params */ memset(&phy_cfg, 0, sizeof(phy_cfg)); cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET; if (!params->speed.autoneg) phy_cfg.speed = params->speed.forced_speed; phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0; phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0; phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0; phy_cfg.adv_speed = params->speed.advertised_speeds; phy_cfg.loopback_mode = params->loopback_mode; /* There are MFWs that share this capability regardless of whether * this is feasible or not. And given that at the very least adv_caps * would be set internally by qed, we want to make sure LFA would * still work. */ if ((p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) { phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED; if (params->eee.tx_lpi_enable) phy_cfg.eee_cfg |= EEE_CFG_TX_LPI; if (params->eee.adv_caps & QED_EEE_1G_ADV) phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G; if (params->eee.adv_caps & QED_EEE_10G_ADV) phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G; phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer << EEE_TX_TIMER_USEC_OFFSET) & EEE_TX_TIMER_USEC_MASK; } if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) { if (params->fec & QED_FEC_MODE_NONE) fec_bit |= FEC_FORCE_MODE_NONE; else if (params->fec & QED_FEC_MODE_FIRECODE) fec_bit |= FEC_FORCE_MODE_FIRECODE; else if (params->fec & QED_FEC_MODE_RS) fec_bit |= FEC_FORCE_MODE_RS; else if (params->fec & QED_FEC_MODE_AUTO) fec_bit |= FEC_FORCE_MODE_AUTO; SET_MFW_FIELD(phy_cfg.fec_mode, FEC_FORCE_MODE, fec_bit); } if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) { ext_speed = 0; if (params->ext_speed.autoneg) ext_speed |= ETH_EXT_SPEED_NONE; val = params->ext_speed.forced_speed; if (val & QED_EXT_SPEED_1G) ext_speed |= ETH_EXT_SPEED_1G; if (val & QED_EXT_SPEED_10G) ext_speed |= ETH_EXT_SPEED_10G; if (val & QED_EXT_SPEED_25G) ext_speed |= ETH_EXT_SPEED_25G; if (val & QED_EXT_SPEED_40G) ext_speed |= ETH_EXT_SPEED_40G; if (val & QED_EXT_SPEED_50G_R) ext_speed |= ETH_EXT_SPEED_50G_BASE_R; if (val & QED_EXT_SPEED_50G_R2) ext_speed |= ETH_EXT_SPEED_50G_BASE_R2; if (val & QED_EXT_SPEED_100G_R2) ext_speed |= ETH_EXT_SPEED_100G_BASE_R2; if (val & QED_EXT_SPEED_100G_R4) ext_speed |= ETH_EXT_SPEED_100G_BASE_R4; if (val & QED_EXT_SPEED_100G_P4) ext_speed |= ETH_EXT_SPEED_100G_BASE_P4; SET_MFW_FIELD(phy_cfg.extended_speed, ETH_EXT_SPEED, ext_speed); ext_speed = 0; val = params->ext_speed.advertised_speeds; if (val & QED_EXT_SPEED_MASK_1G) ext_speed |= ETH_EXT_ADV_SPEED_1G; if (val & QED_EXT_SPEED_MASK_10G) ext_speed |= ETH_EXT_ADV_SPEED_10G; if (val & QED_EXT_SPEED_MASK_25G) ext_speed |= ETH_EXT_ADV_SPEED_25G; if (val & QED_EXT_SPEED_MASK_40G) ext_speed |= ETH_EXT_ADV_SPEED_40G; if (val & QED_EXT_SPEED_MASK_50G_R) ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R; if (val & QED_EXT_SPEED_MASK_50G_R2) ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R2; if (val & QED_EXT_SPEED_MASK_100G_R2) ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R2; if (val & QED_EXT_SPEED_MASK_100G_R4) ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R4; if (val & QED_EXT_SPEED_MASK_100G_P4) ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_P4; phy_cfg.extended_speed |= ext_speed; SET_MFW_FIELD(phy_cfg.fec_mode, FEC_EXTENDED_MODE, params->ext_fec_mode); } p_hwfn->b_drv_link_init = b_up; if (b_up) { DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Configuring Link: Speed 0x%08x, Pause 0x%08x, Adv. Speed 0x%08x, Loopback 0x%08x, FEC 0x%08 phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed, phy_cfg.loopback_mode, phy_cfg.fec_mode, phy_cfg.extended_speed); } else { DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n"); } memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = cmd; mb_params.p_data_src = &phy_cfg; mb_params.data_src_size = sizeof(phy_cfg); rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); /* if mcp fails to respond we must abort */ if (rc) { DP_ERR(p_hwfn, "MCP response failure, aborting\n"); return rc; } /* Mimic link-change attention, done for several reasons: * - On reset, there's no guarantee MFW would trigger * an attention. * - On initialization, older MFWs might not indicate link change * during LFA, so we'll never get an UP indication. */ qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up); return 0; } u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt; if (IS_VF(p_hwfn->cdev)) return -EINVAL; path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, PUBLIC_PATH); path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr); path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn)); proc_kill_cnt = qed_rd(p_hwfn, p_ptt, path_addr + offsetof(struct public_path, process_kill)) & PROCESS_KILL_COUNTER_MASK; return proc_kill_cnt; } static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_dev *cdev = p_hwfn->cdev; u32 proc_kill_cnt; /* Prevent possible attentions/interrupts during the recovery handling * and till its load phase, during which they will be re-enabled. */ qed_int_igu_disable_int(p_hwfn, p_ptt); DP_NOTICE(p_hwfn, "Received a process kill indication\n"); /* The following operations should be done once, and thus in CMT mode * are carried out by only the first HW function. */ if (p_hwfn != QED_LEADING_HWFN(cdev)) return; if (cdev->recov_in_prog) { DP_NOTICE(p_hwfn, "Ignoring the indication since a recovery process is already in progress\n"); return; } cdev->recov_in_prog = true; proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt); DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt); qed_schedule_recovery_handler(p_hwfn); } static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum MFW_DRV_MSG_TYPE type) { enum qed_mcp_protocol_type stats_type; union qed_mcp_protocol_stats stats; struct qed_mcp_mb_params mb_params; u32 hsi_param; switch (type) { case MFW_DRV_MSG_GET_LAN_STATS: stats_type = QED_MCP_LAN_STATS; hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN; break; case MFW_DRV_MSG_GET_FCOE_STATS: stats_type = QED_MCP_FCOE_STATS; hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE; break; case MFW_DRV_MSG_GET_ISCSI_STATS: stats_type = QED_MCP_ISCSI_STATS; hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI; break; case MFW_DRV_MSG_GET_RDMA_STATS: stats_type = QED_MCP_RDMA_STATS; hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA; break; default: DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type); return; } qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats); memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_GET_STATS; mb_params.param = hsi_param; mb_params.p_data_src = &stats; mb_params.data_src_size = sizeof(stats); qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); } static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_function_info *p_info; struct public_func shmem_info; u32 resp = 0, param = 0; qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); qed_read_pf_bandwidth(p_hwfn, &shmem_info); p_info = &p_hwfn->mcp_info->func_info; qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min); qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max); /* Acknowledge the MFW */ qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp, ¶m); } static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct public_func shmem_info; u32 resp = 0, param = 0; qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK; p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan; if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) { if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) { qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, p_hwfn->hw_info.ovlan); qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1); /* Configure DB to add external vlan to EDPM packets */ qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1); qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, p_hwfn->hw_info.ovlan); } else { qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0); qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0); qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0); qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0); } qed_sp_pf_update_stag(p_hwfn); } DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n", p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode); /* Acknowledge the MFW */ qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0, &resp, ¶m); } static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { /* A single notification should be sent to upper driver in CMT mode */ if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev)) return; qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL, "Fan failure was detected on the network interface card and it's going to be shut down.\n"); } struct qed_mdump_cmd_params { u32 cmd; void *p_data_src; u8 data_src_size; void *p_data_dst; u8 data_dst_size; u32 mcp_resp; }; static int qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mdump_cmd_params *p_mdump_cmd_params) { struct qed_mcp_mb_params mb_params; int rc; memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD; mb_params.param = p_mdump_cmd_params->cmd; mb_params.p_data_src = p_mdump_cmd_params->p_data_src; mb_params.data_src_size = p_mdump_cmd_params->data_src_size; mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst; mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) return rc; p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp; if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) { DP_INFO(p_hwfn, "The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n", p_mdump_cmd_params->cmd); rc = -EOPNOTSUPP; } else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) { DP_INFO(p_hwfn, "The mdump command is not supported by the MFW\n"); rc = -EOPNOTSUPP; } return rc; } static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mdump_cmd_params mdump_cmd_params; memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params)); mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK; return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params); } int qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct mdump_retain_data_stc *p_mdump_retain) { struct qed_mdump_cmd_params mdump_cmd_params; int rc; memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params)); mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN; mdump_cmd_params.p_data_dst = p_mdump_retain; mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain); rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params); if (rc) return rc; if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) { DP_INFO(p_hwfn, "Failed to get the mdump retained data [mcp_resp 0x%x]\n", mdump_cmd_params.mcp_resp); return -EINVAL; } return 0; } static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct mdump_retain_data_stc mdump_retain; int rc; /* In CMT mode - no need for more than a single acknowledgment to the * MFW, and no more than a single notification to the upper driver. */ if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev)) return; rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain); if (rc == 0 && mdump_retain.valid) DP_NOTICE(p_hwfn, "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x mdump_retain.epoch, mdump_retain.pf, mdump_retain.status); else DP_NOTICE(p_hwfn, "The MFW notified that a critical error occurred in the device\n"); DP_NOTICE(p_hwfn, "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection qed_mcp_mdump_ack(p_hwfn, p_ptt); qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL); } void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct public_func shmem_info; u32 port_cfg, val; if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits)) return; memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info)); port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + offsetof(struct public_port, oem_cfg_port)); val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >> OEM_CFG_CHANNEL_TYPE_OFFSET; if (val != OEM_CFG_CHANNEL_TYPE_STAGGED) DP_NOTICE(p_hwfn, "Incorrect UFP Channel type %d port_id 0x%02x\n", val, MFW_PORT(p_hwfn)); val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET; if (val == OEM_CFG_SCHED_TYPE_ETS) { p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS; } else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) { p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW; } else { p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN; DP_NOTICE(p_hwfn, "Unknown UFP scheduling mode %d port_id 0x%02x\n", val, MFW_PORT(p_hwfn)); } qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >> OEM_CFG_FUNC_TC_OFFSET; p_hwfn->ufp_info.tc = (u8)val; val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >> OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET; if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) { p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC; } else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) { p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS; } else { p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN; DP_NOTICE(p_hwfn, "Unknown Host priority control %d port_id 0x%02x\n", val, MFW_PORT(p_hwfn)); } DP_NOTICE(p_hwfn, "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n", p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc, p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn)); } static int qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { qed_mcp_read_ufp_config(p_hwfn, p_ptt); if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) { p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc; qed_hw_info_set_offload_tc(&p_hwfn->hw_info, p_hwfn->ufp_info.tc); qed_qm_reconf(p_hwfn, p_ptt); } else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) { /* Merge UFP TC with the dcbx TC data */ qed_dcbx_mib_update_event(p_hwfn, p_ptt, QED_DCBX_OPERATIONAL_MIB); } else { DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n"); return -EINVAL; } /* update storm FW with negotiation results */ qed_sp_pf_update_ufp(p_hwfn); /* update stag pcp value */ qed_sp_pf_update_stag(p_hwfn); return 0; } int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_info *info = p_hwfn->mcp_info; int rc = 0; bool found = false; u16 i; DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n"); /* Read Messages from MFW */ qed_mcp_read_mb(p_hwfn, p_ptt); /* Compare current messages to old ones */ for (i = 0; i < info->mfw_mb_length; i++) { if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i]) continue; found = true; DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n", i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]); spin_lock_bh(&p_hwfn->mcp_info->unload_lock); if (test_bit(QED_MCP_BYPASS_PROC_BIT, &p_hwfn->mcp_info->mcp_handling_status)) { spin_unlock_bh(&p_hwfn->mcp_info->unload_lock); DP_INFO(p_hwfn, "Msg [%d] is bypassed on unload flow\n", i); continue; } set_bit(QED_MCP_IN_PROCESSING_BIT, &p_hwfn->mcp_info->mcp_handling_status); spin_unlock_bh(&p_hwfn->mcp_info->unload_lock); switch (i) { case MFW_DRV_MSG_LINK_CHANGE: qed_mcp_handle_link_change(p_hwfn, p_ptt, false); break; case MFW_DRV_MSG_VF_DISABLED: qed_mcp_handle_vf_flr(p_hwfn, p_ptt); break; case MFW_DRV_MSG_LLDP_DATA_UPDATED: qed_dcbx_mib_update_event(p_hwfn, p_ptt, QED_DCBX_REMOTE_LLDP_MIB); break; case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED: qed_dcbx_mib_update_event(p_hwfn, p_ptt, QED_DCBX_REMOTE_MIB); break; case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED: qed_dcbx_mib_update_event(p_hwfn, p_ptt, QED_DCBX_OPERATIONAL_MIB); break; case MFW_DRV_MSG_OEM_CFG_UPDATE: qed_mcp_handle_ufp_event(p_hwfn, p_ptt); break; case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE: qed_mcp_handle_transceiver_change(p_hwfn, p_ptt); break; case MFW_DRV_MSG_ERROR_RECOVERY: qed_mcp_handle_process_kill(p_hwfn, p_ptt); break; case MFW_DRV_MSG_GET_LAN_STATS: case MFW_DRV_MSG_GET_FCOE_STATS: case MFW_DRV_MSG_GET_ISCSI_STATS: case MFW_DRV_MSG_GET_RDMA_STATS: qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i); break; case MFW_DRV_MSG_BW_UPDATE: qed_mcp_update_bw(p_hwfn, p_ptt); break; case MFW_DRV_MSG_S_TAG_UPDATE: qed_mcp_update_stag(p_hwfn, p_ptt); break; case MFW_DRV_MSG_FAILURE_DETECTED: qed_mcp_handle_fan_failure(p_hwfn, p_ptt); break; case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED: qed_mcp_handle_critical_error(p_hwfn, p_ptt); break; case MFW_DRV_MSG_GET_TLV_REQ: qed_mfw_tlv_req(p_hwfn); break; default: DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i); rc = -EINVAL; } clear_bit(QED_MCP_IN_PROCESSING_BIT, &p_hwfn->mcp_info->mcp_handling_status); } /* ACK everything */ for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) { __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]); /* MFW expect answer in BE, so we force write in that format */ qed_wr(p_hwfn, p_ptt, info->mfw_mb_addr + sizeof(u32) + MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) * sizeof(u32) + i * sizeof(u32), (__force u32)val); } if (!found) { DP_NOTICE(p_hwfn, "Received an MFW message indication but no new message!\n"); rc = -EINVAL; } /* Copy the new mfw messages into the shadow */ memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length); return rc; } int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_mfw_ver, u32 *p_running_bundle_id) { u32 global_offsize, public_base; if (IS_VF(p_hwfn->cdev)) { if (p_hwfn->vf_iov_info) { struct pfvf_acquire_resp_tlv *p_resp; p_resp = &p_hwfn->vf_iov_info->acquire_resp; *p_mfw_ver = p_resp->pfdev_info.mfw_ver; return 0; } else { DP_VERBOSE(p_hwfn, QED_MSG_IOV, "VF requested MFW version prior to ACQUIRE\n"); return -EINVAL; } } public_base = p_hwfn->mcp_info->public_base; global_offsize = qed_rd(p_hwfn, p_ptt, SECTION_OFFSIZE_ADDR(public_base, PUBLIC_GLOBAL)); *p_mfw_ver = qed_rd(p_hwfn, p_ptt, SECTION_ADDR(global_offsize, 0) + offsetof(struct public_global, mfw_ver)); if (p_running_bundle_id) { *p_running_bundle_id = qed_rd(p_hwfn, p_ptt, SECTION_ADDR(global_offsize, 0) + offsetof(struct public_global, running_bundle_id)); } return 0; } int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_mbi_ver) { u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr; if (IS_VF(p_hwfn->cdev)) return -EINVAL; /* Read the address of the nvm_cfg */ nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0); if (!nvm_cfg_addr) { DP_NOTICE(p_hwfn, "Shared memory not initialized\n"); return -EINVAL; } /* Read the offset of nvm_cfg1 */ nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4); mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset + offsetof(struct nvm_cfg1, glob) + offsetof(struct nvm_cfg1_glob, mbi_version); *p_mbi_ver = qed_rd(p_hwfn, p_ptt, mbi_ver_addr) & (NVM_CFG1_GLOB_MBI_VERSION_0_MASK | NVM_CFG1_GLOB_MBI_VERSION_1_MASK | NVM_CFG1_GLOB_MBI_VERSION_2_MASK); return 0; } int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_media_type) { *p_media_type = MEDIA_UNSPECIFIED; if (IS_VF(p_hwfn->cdev)) return -EINVAL; if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized!\n"); return -EBUSY; } if (!p_ptt) { *p_media_type = MEDIA_UNSPECIFIED; return -EINVAL; } *p_media_type = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + offsetof(struct public_port, media_type)); return 0; } int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_transceiver_state, u32 *p_transceiver_type) { u32 transceiver_info; *p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE; *p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING; if (IS_VF(p_hwfn->cdev)) return -EINVAL; if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized!\n"); return -EBUSY; } transceiver_info = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + offsetof(struct public_port, transceiver_data)); *p_transceiver_state = (transceiver_info & ETH_TRANSCEIVER_STATE_MASK) >> ETH_TRANSCEIVER_STATE_OFFSET; if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT) *p_transceiver_type = (transceiver_info & ETH_TRANSCEIVER_TYPE_MASK) >> ETH_TRANSCEIVER_TYPE_OFFSET; else *p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN; return 0; } static bool qed_is_transceiver_ready(u32 transceiver_state, u32 transceiver_type) { if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) && ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) && (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE)) return true; return false; } int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_speed_mask) { u32 transceiver_type, transceiver_state; int ret; ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state, &transceiver_type); if (ret) return ret; if (qed_is_transceiver_ready(transceiver_state, transceiver_type) == false) return -EINVAL; switch (transceiver_type) { case ETH_TRANSCEIVER_TYPE_1G_LX: case ETH_TRANSCEIVER_TYPE_1G_SX: case ETH_TRANSCEIVER_TYPE_1G_PCC: case ETH_TRANSCEIVER_TYPE_1G_ACC: case ETH_TRANSCEIVER_TYPE_1000BASET: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; break; case ETH_TRANSCEIVER_TYPE_10G_SR: case ETH_TRANSCEIVER_TYPE_10G_LR: case ETH_TRANSCEIVER_TYPE_10G_LRM: case ETH_TRANSCEIVER_TYPE_10G_ER: case ETH_TRANSCEIVER_TYPE_10G_PCC: case ETH_TRANSCEIVER_TYPE_10G_ACC: case ETH_TRANSCEIVER_TYPE_4x10G: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G; break; case ETH_TRANSCEIVER_TYPE_40G_LR4: case ETH_TRANSCEIVER_TYPE_40G_SR4: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G; break; case ETH_TRANSCEIVER_TYPE_100G_AOC: case ETH_TRANSCEIVER_TYPE_100G_SR4: case ETH_TRANSCEIVER_TYPE_100G_LR4: case ETH_TRANSCEIVER_TYPE_100G_ER4: case ETH_TRANSCEIVER_TYPE_100G_ACC: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G; break; case ETH_TRANSCEIVER_TYPE_25G_SR: case ETH_TRANSCEIVER_TYPE_25G_LR: case ETH_TRANSCEIVER_TYPE_25G_AOC: case ETH_TRANSCEIVER_TYPE_25G_ACC_S: case ETH_TRANSCEIVER_TYPE_25G_ACC_M: case ETH_TRANSCEIVER_TYPE_25G_ACC_L: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G; break; case ETH_TRANSCEIVER_TYPE_25G_CA_N: case ETH_TRANSCEIVER_TYPE_25G_CA_S: case ETH_TRANSCEIVER_TYPE_25G_CA_L: case ETH_TRANSCEIVER_TYPE_4x25G_CR: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; break; case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G; break; case ETH_TRANSCEIVER_TYPE_40G_CR4: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; break; case ETH_TRANSCEIVER_TYPE_100G_CR4: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; break; case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G; break; case ETH_TRANSCEIVER_TYPE_XLPPI: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G; break; case ETH_TRANSCEIVER_TYPE_10G_BASET: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR: case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR: *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G | NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; break; default: DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n", transceiver_type); *p_speed_mask = 0xff; break; } return 0; } int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_board_config) { u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr; if (IS_VF(p_hwfn->cdev)) return -EINVAL; if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized!\n"); return -EBUSY; } if (!p_ptt) { *p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED; return -EINVAL; } nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0); nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4); port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset + offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]); *p_board_config = qed_rd(p_hwfn, p_ptt, port_cfg_addr + offsetof(struct nvm_cfg1_port, board_cfg)); return 0; } /* Old MFW has a global configuration for all PFs regarding RDMA support */ static void qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn, enum qed_pci_personality *p_proto) { /* There wasn't ever a legacy MFW that published iwarp. * So at this point, this is either plain l2 or RoCE. */ if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities)) *p_proto = QED_PCI_ETH_ROCE; else *p_proto = QED_PCI_ETH; DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP, "According to Legacy capabilities, L2 personality is %08x\n", (u32)*p_proto); } static int qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_pci_personality *p_proto) { u32 resp = 0, param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, ¶m); if (rc) return rc; if (resp != FW_MSG_CODE_OK) { DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP, "MFW lacks support for command; Returns %08x\n", resp); return -EINVAL; } switch (param) { case FW_MB_PARAM_GET_PF_RDMA_NONE: *p_proto = QED_PCI_ETH; break; case FW_MB_PARAM_GET_PF_RDMA_ROCE: *p_proto = QED_PCI_ETH_ROCE; break; case FW_MB_PARAM_GET_PF_RDMA_IWARP: *p_proto = QED_PCI_ETH_IWARP; break; case FW_MB_PARAM_GET_PF_RDMA_BOTH: *p_proto = QED_PCI_ETH_RDMA; break; default: DP_NOTICE(p_hwfn, "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n", param); return -EINVAL; } DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP, "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n", (u32)*p_proto, resp, param); return 0; } static int qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn, struct public_func *p_info, struct qed_ptt *p_ptt, enum qed_pci_personality *p_proto) { int rc = 0; switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) { case FUNC_MF_CFG_PROTOCOL_ETHERNET: if (!IS_ENABLED(CONFIG_QED_RDMA)) *p_proto = QED_PCI_ETH; else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto)) qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto); break; case FUNC_MF_CFG_PROTOCOL_ISCSI: *p_proto = QED_PCI_ISCSI; break; case FUNC_MF_CFG_PROTOCOL_FCOE: *p_proto = QED_PCI_FCOE; break; case FUNC_MF_CFG_PROTOCOL_ROCE: DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n"); fallthrough; default: rc = -EINVAL; } return rc; } int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_function_info *info; struct public_func shmem_info; qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); info = &p_hwfn->mcp_info->func_info; info->pause_on_host = (shmem_info.config & FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0; if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt, &info->protocol)) { DP_ERR(p_hwfn, "Unknown personality %08x\n", (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK)); return -EINVAL; } qed_read_pf_bandwidth(p_hwfn, &shmem_info); if (shmem_info.mac_upper || shmem_info.mac_lower) { info->mac[0] = (u8)(shmem_info.mac_upper >> 8); info->mac[1] = (u8)(shmem_info.mac_upper); info->mac[2] = (u8)(shmem_info.mac_lower >> 24); info->mac[3] = (u8)(shmem_info.mac_lower >> 16); info->mac[4] = (u8)(shmem_info.mac_lower >> 8); info->mac[5] = (u8)(shmem_info.mac_lower); /* Store primary MAC for later possible WoL */ memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN); } else { DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n"); } info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower | (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32); info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower | (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32); info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK); info->mtu = (u16)shmem_info.mtu_size; p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE; p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT; if (qed_mcp_is_init(p_hwfn)) { u32 resp = 0, param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OS_WOL, 0, &resp, ¶m); if (rc) return rc; if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED) p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME; } DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP), "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %pM wwn p info->pause_on_host, info->protocol, info->bandwidth_min, info->bandwidth_max, info->mac, info->wwn_port, info->wwn_node, info->ovlan, (u8)p_hwfn->hw_info.b_wol_support); return 0; } struct qed_mcp_link_params *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn) { if (!p_hwfn || !p_hwfn->mcp_info) return NULL; return &p_hwfn->mcp_info->link_input; } struct qed_mcp_link_state *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn) { if (!p_hwfn || !p_hwfn->mcp_info) return NULL; return &p_hwfn->mcp_info->link_output; } struct qed_mcp_link_capabilities *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn) { if (!p_hwfn || !p_hwfn->mcp_info) return NULL; return &p_hwfn->mcp_info->link_capabilities; } int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 resp = 0, param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, ¶m); /* Wait for the drain to complete before returning */ msleep(1020); return rc; } int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_flash_size) { u32 flash_size; if (IS_VF(p_hwfn->cdev)) return -EINVAL; flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4); flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >> MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT; flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT)); *p_flash_size = flash_size; return 0; } int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_dev *cdev = p_hwfn->cdev; if (cdev->recov_in_prog) { DP_NOTICE(p_hwfn, "Avoid triggering a recovery since such a process is already in progress\n"); return -EAGAIN; } DP_NOTICE(p_hwfn, "Triggering a recovery process\n"); qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1); return 0; } #define QED_RECOVERY_PROLOG_SLEEP_MS 100 int qed_recovery_prolog(struct qed_dev *cdev) { struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; int rc; /* Allow ongoing PCIe transactions to complete */ msleep(QED_RECOVERY_PROLOG_SLEEP_MS); /* Clear the PF's internal FID_enable in the PXP */ rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false); if (rc) DP_NOTICE(p_hwfn, "qed_pglueb_set_pfid_enable() failed. rc = %d.\n", rc); return rc; } static int qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 vf_id, u8 num) { u32 resp = 0, param = 0, rc_param = 0; int rc; /* Only Leader can configure MSIX, and need to take CMT into account */ if (!IS_LEAD_HWFN(p_hwfn)) return 0; num *= p_hwfn->cdev->num_hwfns; param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) & DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK; param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) & DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param, &resp, &rc_param); if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) { DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id); rc = -EINVAL; } else { DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n", num, vf_id); } return rc; } static int qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 num) { u32 resp = 0, param = num, rc_param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX, param, &resp, &rc_param); if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) { DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n"); rc = -EINVAL; } else { DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Requested 0x%02x MSI-x interrupts for VFs\n", num); } return rc; } int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 vf_id, u8 num) { if (QED_IS_BB(p_hwfn->cdev)) return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num); else return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num); } int qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_drv_version *p_ver) { struct qed_mcp_mb_params mb_params; struct drv_version_stc drv_version; __be32 val; u32 i; int rc; memset(&drv_version, 0, sizeof(drv_version)); drv_version.version = p_ver->version; for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) { val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)])); *(__be32 *)&drv_version.name[i * sizeof(u32)] = val; } memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_SET_VERSION; mb_params.p_data_src = &drv_version; mb_params.data_src_size = sizeof(drv_version); rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) DP_ERR(p_hwfn, "MCP response failure, aborting\n"); return rc; } /* A maximal 100 msec waiting time for the MCP to halt */ #define QED_MCP_HALT_SLEEP_MS 10 #define QED_MCP_HALT_MAX_RETRIES 10 int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 resp = 0, param = 0, cpu_state, cnt = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp, ¶m); if (rc) { DP_ERR(p_hwfn, "MCP response failure, aborting\n"); return rc; } do { msleep(QED_MCP_HALT_SLEEP_MS); cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE); if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) break; } while (++cnt < QED_MCP_HALT_MAX_RETRIES); if (cnt == QED_MCP_HALT_MAX_RETRIES) { DP_NOTICE(p_hwfn, "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n", qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state); return -EBUSY; } qed_mcp_cmd_set_blocking(p_hwfn, true); return 0; } #define QED_MCP_RESUME_SLEEP_MS 10 int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 cpu_mode, cpu_state; qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff); cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE); cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT; qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode); msleep(QED_MCP_RESUME_SLEEP_MS); cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE); if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) { DP_NOTICE(p_hwfn, "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n", cpu_mode, cpu_state); return -EBUSY; } qed_mcp_cmd_set_blocking(p_hwfn, false); return 0; } int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_ov_client client) { u32 resp = 0, param = 0; u32 drv_mb_param; int rc; switch (client) { case QED_OV_CLIENT_DRV: drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS; break; case QED_OV_CLIENT_USER: drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER; break; case QED_OV_CLIENT_VENDOR_SPEC: drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC; break; default: DP_NOTICE(p_hwfn, "Invalid client type %d\n", client); return -EINVAL; } rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG, drv_mb_param, &resp, ¶m); if (rc) DP_ERR(p_hwfn, "MCP response failure, aborting\n"); return rc; } int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_ov_driver_state drv_state) { u32 resp = 0, param = 0; u32 drv_mb_param; int rc; switch (drv_state) { case QED_OV_DRIVER_STATE_NOT_LOADED: drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED; break; case QED_OV_DRIVER_STATE_DISABLED: drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED; break; case QED_OV_DRIVER_STATE_ACTIVE: drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE; break; default: DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state); return -EINVAL; } rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE, drv_mb_param, &resp, ¶m); if (rc) DP_ERR(p_hwfn, "Failed to send driver state\n"); return rc; } int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 mtu) { u32 resp = 0, param = 0; u32 drv_mb_param; int rc; drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU, drv_mb_param, &resp, ¶m); if (rc) DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc); return rc; } int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, const u8 *mac) { struct qed_mcp_mb_params mb_params; u32 mfw_mac[2]; int rc; memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_SET_VMAC; mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC << DRV_MSG_CODE_VMAC_TYPE_SHIFT; mb_params.param |= MCP_PF_ID(p_hwfn); /* MCP is BE, and on LE platforms PCI would swap access to SHMEM * in 32-bit granularity. * So the MAC has to be set in native order [and not byte order], * otherwise it would be read incorrectly by MFW after swap. */ mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3]; mfw_mac[1] = mac[4] << 24 | mac[5] << 16; mb_params.p_data_src = (u8 *)mfw_mac; mb_params.data_src_size = 8; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc); /* Store primary MAC for later possible WoL */ memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN); return rc; } int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_ov_wol wol) { u32 resp = 0, param = 0; u32 drv_mb_param; int rc; if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) { DP_VERBOSE(p_hwfn, QED_MSG_SP, "Can't change WoL configuration when WoL isn't supported\n"); return -EINVAL; } switch (wol) { case QED_OV_WOL_DEFAULT: drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT; break; case QED_OV_WOL_DISABLED: drv_mb_param = DRV_MB_PARAM_WOL_DISABLED; break; case QED_OV_WOL_ENABLED: drv_mb_param = DRV_MB_PARAM_WOL_ENABLED; break; default: DP_ERR(p_hwfn, "Invalid wol state %d\n", wol); return -EINVAL; } rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL, drv_mb_param, &resp, ¶m); if (rc) DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc); /* Store the WoL update for a future unload */ p_hwfn->cdev->wol_config = (u8)wol; return rc; } int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_ov_eswitch eswitch) { u32 resp = 0, param = 0; u32 drv_mb_param; int rc; switch (eswitch) { case QED_OV_ESWITCH_NONE: drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE; break; case QED_OV_ESWITCH_VEB: drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB; break; case QED_OV_ESWITCH_VEPA: drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA; break; default: DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch); return -EINVAL; } rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE, drv_mb_param, &resp, ¶m); if (rc) DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc); return rc; } int qed_mcp_set_led(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_led_mode mode) { u32 resp = 0, param = 0, drv_mb_param; int rc; switch (mode) { case QED_LED_MODE_ON: drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON; break; case QED_LED_MODE_OFF: drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF; break; case QED_LED_MODE_RESTORE: drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER; break; default: DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode); return -EINVAL; } rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE, drv_mb_param, &resp, ¶m); return rc; } int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 mask_parities) { u32 resp = 0, param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES, mask_parities, &resp, ¶m); if (rc) { DP_ERR(p_hwfn, "MCP response failure for mask parities, aborting\n"); } else if (resp != FW_MSG_CODE_OK) { DP_ERR(p_hwfn, "MCP did not acknowledge mask parity request. Old MFW?\n"); rc = -EINVAL; } return rc; } int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len) { u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0; struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); u32 resp = 0, resp_param = 0; struct qed_ptt *p_ptt; int rc = 0; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) return -EBUSY; while (bytes_left > 0) { bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN); rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_NVM_READ_NVRAM, addr + offset + (bytes_to_copy << DRV_MB_PARAM_NVM_LEN_OFFSET), &resp, &resp_param, &read_len, (u32 *)(p_buf + offset), true); if (rc || (resp != FW_MSG_CODE_NVM_OK)) { DP_NOTICE(cdev, "MCP command rc = %d\n", rc); break; } offset += read_len; bytes_left -= read_len; } cdev->mcp_nvm_resp = resp; qed_ptt_release(p_hwfn, p_ptt); return rc; } int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf) { struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); struct qed_ptt *p_ptt; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) return -EBUSY; memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp)); qed_ptt_release(p_hwfn, p_ptt); return 0; } int qed_mcp_nvm_write(struct qed_dev *cdev, u32 cmd, u32 addr, u8 *p_buf, u32 len) { u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param; struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); struct qed_ptt *p_ptt; int rc = -EINVAL; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) return -EBUSY; switch (cmd) { case QED_PUT_FILE_BEGIN: nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN; break; case QED_PUT_FILE_DATA: nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA; break; case QED_NVM_WRITE_NVRAM: nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM; break; default: DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd); rc = -EINVAL; goto out; } buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN); while (buf_idx < len) { if (cmd == QED_PUT_FILE_BEGIN) nvm_offset = addr; else nvm_offset = ((buf_size << DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) + buf_idx; rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset, &resp, ¶m, buf_size, (u32 *)&p_buf[buf_idx]); if (rc) { DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc); resp = FW_MSG_CODE_ERROR; break; } if (resp != FW_MSG_CODE_OK && resp != FW_MSG_CODE_NVM_OK && resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) { DP_NOTICE(cdev, "nvm write failed, resp = 0x%08x\n", resp); rc = -EINVAL; break; } /* This can be a lengthy process, and it's possible scheduler * isn't pre-emptable. Sleep a bit to prevent CPU hogging. */ if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000) usleep_range(1000, 2000); /* For MBI upgrade, MFW response includes the next buffer offset * to be delivered to MFW. */ if (param && cmd == QED_PUT_FILE_DATA) { buf_idx = QED_MFW_GET_FIELD(param, FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET); buf_size = QED_MFW_GET_FIELD(param, FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE); } else { buf_idx += buf_size; buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN); } } cdev->mcp_nvm_resp = resp; out: qed_ptt_release(p_hwfn, p_ptt); return rc; } int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf) { u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0; u32 resp, param; int rc; nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) & DRV_MB_PARAM_TRANSCEIVER_PORT_MASK; nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) & DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK; addr = offset; offset = 0; bytes_left = len; while (bytes_left > 0) { bytes_to_copy = min_t(u32, bytes_left, MAX_I2C_TRANSACTION_SIZE); nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK | DRV_MB_PARAM_TRANSCEIVER_PORT_MASK); nvm_offset |= ((addr + offset) << DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) & DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK; nvm_offset |= (bytes_to_copy << DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) & DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK; rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_TRANSCEIVER_READ, nvm_offset, &resp, ¶m, &buf_size, (u32 *)(p_buf + offset), true); if (rc) { DP_NOTICE(p_hwfn, "Failed to send a transceiver read command to the MFW. rc = %d.\n", rc); return rc; } if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT) return -ENODEV; else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK) return -EINVAL; offset += buf_size; bytes_left -= buf_size; } return 0; } int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 drv_mb_param = 0, rsp, param; int rc = 0; drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST << DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, drv_mb_param, &rsp, ¶m); if (rc) return rc; if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || (param != DRV_MB_PARAM_BIST_RC_PASSED)) rc = -EAGAIN; return rc; } int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 drv_mb_param, rsp, param; int rc = 0; drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST << DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, drv_mb_param, &rsp, ¶m); if (rc) return rc; if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || (param != DRV_MB_PARAM_BIST_RC_PASSED)) rc = -EAGAIN; return rc; } int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *num_images) { u32 drv_mb_param = 0, rsp; int rc = 0; drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES << DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, drv_mb_param, &rsp, num_images); if (rc) return rc; if (((rsp & FW_MSG_CODE_MASK) == FW_MSG_CODE_UNSUPPORTED)) rc = -EOPNOTSUPP; else if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK)) rc = -EINVAL; return rc; } int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct bist_nvm_image_att *p_image_att, u32 image_index) { u32 buf_size = 0, param, resp = 0, resp_param = 0; int rc; param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX << DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT; param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT; rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, param, &resp, &resp_param, &buf_size, (u32 *)p_image_att, false); if (rc) return rc; if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || (p_image_att->return_code != 1)) rc = -EINVAL; return rc; } int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn) { struct qed_nvm_image_info nvm_info; struct qed_ptt *p_ptt; int rc; u32 i; if (p_hwfn->nvm_info.valid) return 0; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) { DP_ERR(p_hwfn, "failed to acquire ptt\n"); return -EBUSY; } /* Acquire from MFW the amount of available images */ nvm_info.num_images = 0; rc = qed_mcp_bist_nvm_get_num_images(p_hwfn, p_ptt, &nvm_info.num_images); if (rc == -EOPNOTSUPP) { DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n"); nvm_info.num_images = 0; goto out; } else if (rc || !nvm_info.num_images) { DP_ERR(p_hwfn, "Failed getting number of images\n"); goto err0; } nvm_info.image_att = kmalloc_array(nvm_info.num_images, sizeof(struct bist_nvm_image_att), GFP_KERNEL); if (!nvm_info.image_att) { rc = -ENOMEM; goto err0; } /* Iterate over images and get their attributes */ for (i = 0; i < nvm_info.num_images; i++) { rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt, &nvm_info.image_att[i], i); if (rc) { DP_ERR(p_hwfn, "Failed getting image index %d attributes\n", i); goto err1; } DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i, nvm_info.image_att[i].len); } out: /* Update hwfn's nvm_info */ if (nvm_info.num_images) { p_hwfn->nvm_info.num_images = nvm_info.num_images; kfree(p_hwfn->nvm_info.image_att); p_hwfn->nvm_info.image_att = nvm_info.image_att; p_hwfn->nvm_info.valid = true; } qed_ptt_release(p_hwfn, p_ptt); return 0; err1: kfree(nvm_info.image_att); err0: qed_ptt_release(p_hwfn, p_ptt); return rc; } void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn) { kfree(p_hwfn->nvm_info.image_att); p_hwfn->nvm_info.image_att = NULL; p_hwfn->nvm_info.valid = false; } int qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn, enum qed_nvm_images image_id, struct qed_nvm_image_att *p_image_att) { enum nvm_image_type type; int rc; u32 i; /* Translate image_id into MFW definitions */ switch (image_id) { case QED_NVM_IMAGE_ISCSI_CFG: type = NVM_TYPE_ISCSI_CFG; break; case QED_NVM_IMAGE_FCOE_CFG: type = NVM_TYPE_FCOE_CFG; break; case QED_NVM_IMAGE_MDUMP: type = NVM_TYPE_MDUMP; break; case QED_NVM_IMAGE_NVM_CFG1: type = NVM_TYPE_NVM_CFG1; break; case QED_NVM_IMAGE_DEFAULT_CFG: type = NVM_TYPE_DEFAULT_CFG; break; case QED_NVM_IMAGE_NVM_META: type = NVM_TYPE_NVM_META; break; default: DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n", image_id); return -EINVAL; } rc = qed_mcp_nvm_info_populate(p_hwfn); if (rc) return rc; for (i = 0; i < p_hwfn->nvm_info.num_images; i++) if (type == p_hwfn->nvm_info.image_att[i].image_type) break; if (i == p_hwfn->nvm_info.num_images) { DP_VERBOSE(p_hwfn, QED_MSG_STORAGE, "Failed to find nvram image of type %08x\n", image_id); return -ENOENT; } p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr; p_image_att->length = p_hwfn->nvm_info.image_att[i].len; return 0; } int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn, enum qed_nvm_images image_id, u8 *p_buffer, u32 buffer_len) { struct qed_nvm_image_att image_att; int rc; memset(p_buffer, 0, buffer_len); rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att); if (rc) return rc; /* Validate sizes - both the image's and the supplied buffer's */ if (image_att.length <= 4) { DP_VERBOSE(p_hwfn, QED_MSG_STORAGE, "Image [%d] is too small - only %d bytes\n", image_id, image_att.length); return -EINVAL; } if (image_att.length > buffer_len) { DP_VERBOSE(p_hwfn, QED_MSG_STORAGE, "Image [%d] is too big - %08x bytes where only %08x are available\n", image_id, image_att.length, buffer_len); return -ENOMEM; } return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr, p_buffer, image_att.length); } static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id) { enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID; switch (res_id) { case QED_SB: mfw_res_id = RESOURCE_NUM_SB_E; break; case QED_L2_QUEUE: mfw_res_id = RESOURCE_NUM_L2_QUEUE_E; break; case QED_VPORT: mfw_res_id = RESOURCE_NUM_VPORT_E; break; case QED_RSS_ENG: mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E; break; case QED_PQ: mfw_res_id = RESOURCE_NUM_PQ_E; break; case QED_RL: mfw_res_id = RESOURCE_NUM_RL_E; break; case QED_MAC: case QED_VLAN: /* Each VFC resource can accommodate both a MAC and a VLAN */ mfw_res_id = RESOURCE_VFC_FILTER_E; break; case QED_ILT: mfw_res_id = RESOURCE_ILT_E; break; case QED_LL2_RAM_QUEUE: mfw_res_id = RESOURCE_LL2_QUEUE_E; break; case QED_LL2_CTX_QUEUE: mfw_res_id = RESOURCE_LL2_CQS_E; break; case QED_RDMA_CNQ_RAM: case QED_CMDQS_CQS: /* CNQ/CMDQS are the same resource */ mfw_res_id = RESOURCE_CQS_E; break; case QED_RDMA_STATS_QUEUE: mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E; break; case QED_BDQ: mfw_res_id = RESOURCE_BDQ_E; break; default: break; } return mfw_res_id; } #define QED_RESC_ALLOC_VERSION_MAJOR 2 #define QED_RESC_ALLOC_VERSION_MINOR 0 #define QED_RESC_ALLOC_VERSION \ ((QED_RESC_ALLOC_VERSION_MAJOR << \ DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \ (QED_RESC_ALLOC_VERSION_MINOR << \ DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT)) struct qed_resc_alloc_in_params { u32 cmd; enum qed_resources res_id; u32 resc_max_val; }; struct qed_resc_alloc_out_params { u32 mcp_resp; u32 mcp_param; u32 resc_num; u32 resc_start; u32 vf_resc_num; u32 vf_resc_start; u32 flags; }; static int qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_resc_alloc_in_params *p_in_params, struct qed_resc_alloc_out_params *p_out_params) { struct qed_mcp_mb_params mb_params; struct resource_info mfw_resc_info; int rc; memset(&mfw_resc_info, 0, sizeof(mfw_resc_info)); mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id); if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) { DP_ERR(p_hwfn, "Failed to match resource %d [%s] with the MFW resources\n", p_in_params->res_id, qed_hw_get_resc_name(p_in_params->res_id)); return -EINVAL; } switch (p_in_params->cmd) { case DRV_MSG_SET_RESOURCE_VALUE_MSG: mfw_resc_info.size = p_in_params->resc_max_val; fallthrough; case DRV_MSG_GET_RESOURCE_ALLOC_MSG: break; default: DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n", p_in_params->cmd); return -EINVAL; } memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = p_in_params->cmd; mb_params.param = QED_RESC_ALLOC_VERSION; mb_params.p_data_src = &mfw_resc_info; mb_params.data_src_size = sizeof(mfw_resc_info); mb_params.p_data_dst = mb_params.p_data_src; mb_params.data_dst_size = mb_params.data_src_size; DP_VERBOSE(p_hwfn, QED_MSG_SP, "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n", p_in_params->cmd, p_in_params->res_id, qed_hw_get_resc_name(p_in_params->res_id), QED_MFW_GET_FIELD(mb_params.param, DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR), QED_MFW_GET_FIELD(mb_params.param, DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR), p_in_params->resc_max_val); rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) return rc; p_out_params->mcp_resp = mb_params.mcp_resp; p_out_params->mcp_param = mb_params.mcp_param; p_out_params->resc_num = mfw_resc_info.size; p_out_params->resc_start = mfw_resc_info.offset; p_out_params->vf_resc_num = mfw_resc_info.vf_size; p_out_params->vf_resc_start = mfw_resc_info.vf_offset; p_out_params->flags = mfw_resc_info.flags; DP_VERBOSE(p_hwfn, QED_MSG_SP, "Resource message response: mfw_hsi_version %d.%d, num 0x%x, start 0x%x, vf_num 0x%x, vf_st QED_MFW_GET_FIELD(p_out_params->mcp_param, FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR), QED_MFW_GET_FIELD(p_out_params->mcp_param, FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR), p_out_params->resc_num, p_out_params->resc_start, p_out_params->vf_resc_num, p_out_params->vf_resc_start, p_out_params->flags); return 0; } int qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_resources res_id, u32 resc_max_val, u32 *p_mcp_resp) { struct qed_resc_alloc_out_params out_params; struct qed_resc_alloc_in_params in_params; int rc; memset(&in_params, 0, sizeof(in_params)); in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG; in_params.res_id = res_id; in_params.resc_max_val = resc_max_val; memset(&out_params, 0, sizeof(out_params)); rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params, &out_params); if (rc) return rc; *p_mcp_resp = out_params.mcp_resp; return 0; } int qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_resources res_id, u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start) { struct qed_resc_alloc_out_params out_params; struct qed_resc_alloc_in_params in_params; int rc; memset(&in_params, 0, sizeof(in_params)); in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG; in_params.res_id = res_id; memset(&out_params, 0, sizeof(out_params)); rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params, &out_params); if (rc) return rc; *p_mcp_resp = out_params.mcp_resp; if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) { *p_resc_num = out_params.resc_num; *p_resc_start = out_params.resc_start; } return 0; } int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 mcp_resp, mcp_param; return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0, &mcp_resp, &mcp_param); } static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 param, u32 *p_mcp_resp, u32 *p_mcp_param) { int rc; rc = qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD, param, p_mcp_resp, p_mcp_param); if (rc) return rc; if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) { DP_INFO(p_hwfn, "The resource command is unsupported by the MFW\n"); return -EINVAL; } if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) { u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE); DP_NOTICE(p_hwfn, "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n", param, opcode); return -EINVAL; } return rc; } static int __qed_mcp_resc_lock(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params) { u32 param = 0, mcp_resp, mcp_param; u8 opcode; int rc; switch (p_params->timeout) { case QED_MCP_RESC_LOCK_TO_DEFAULT: opcode = RESOURCE_OPCODE_REQ; p_params->timeout = 0; break; case QED_MCP_RESC_LOCK_TO_NONE: opcode = RESOURCE_OPCODE_REQ_WO_AGING; p_params->timeout = 0; break; default: opcode = RESOURCE_OPCODE_REQ_W_AGING; break; } QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource); QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode); QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout); DP_VERBOSE(p_hwfn, QED_MSG_SP, "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n", param, p_params->timeout, opcode, p_params->resource); /* Attempt to acquire the resource */ rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param); if (rc) return rc; /* Analyze the response */ p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER); opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE); DP_VERBOSE(p_hwfn, QED_MSG_SP, "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n", mcp_param, opcode, p_params->owner); switch (opcode) { case RESOURCE_OPCODE_GNT: p_params->b_granted = true; break; case RESOURCE_OPCODE_BUSY: p_params->b_granted = false; break; default: DP_NOTICE(p_hwfn, "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n", mcp_param, opcode); return -EINVAL; } return 0; } int qed_mcp_resc_lock(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params) { u32 retry_cnt = 0; int rc; do { /* No need for an interval before the first iteration */ if (retry_cnt) { if (p_params->sleep_b4_retry) { u16 retry_interval_in_ms = DIV_ROUND_UP(p_params->retry_interval, 1000); msleep(retry_interval_in_ms); } else { udelay(p_params->retry_interval); } } rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params); if (rc) return rc; if (p_params->b_granted) break; } while (retry_cnt++ < p_params->retry_num); return 0; } int qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_resc_unlock_params *p_params) { u32 param = 0, mcp_resp, mcp_param; u8 opcode; int rc; opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE : RESOURCE_OPCODE_RELEASE; QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource); QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode); DP_VERBOSE(p_hwfn, QED_MSG_SP, "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n", param, opcode, p_params->resource); /* Attempt to release the resource */ rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param); if (rc) return rc; /* Analyze the response */ opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE); DP_VERBOSE(p_hwfn, QED_MSG_SP, "Resource unlock response: mcp_param 0x%08x [opcode %d]\n", mcp_param, opcode); switch (opcode) { case RESOURCE_OPCODE_RELEASED_PREVIOUS: DP_INFO(p_hwfn, "Resource unlock request for an already released resource [%d]\n", p_params->resource); fallthrough; case RESOURCE_OPCODE_RELEASED: p_params->b_released = true; break; case RESOURCE_OPCODE_WRONG_OWNER: p_params->b_released = false; break; default: DP_NOTICE(p_hwfn, "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n", mcp_param, opcode); return -EINVAL; } return 0; } void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock, struct qed_resc_unlock_params *p_unlock, enum qed_resc_lock resource, bool b_is_permanent) { if (p_lock) { memset(p_lock, 0, sizeof(*p_lock)); /* Permanent resources don't require aging, and there's no * point in trying to acquire them more than once since it's * unexpected another entity would release them. */ if (b_is_permanent) { p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE; } else { p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT; p_lock->retry_interval = QED_MCP_RESC_LOCK_RETRY_VAL_DFLT; p_lock->sleep_b4_retry = true; } p_lock->resource = resource; } if (p_unlock) { memset(p_unlock, 0, sizeof(*p_unlock)); p_unlock->resource = resource; } } bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn) { return !!(p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ); } int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 mcp_resp; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT, 0, &mcp_resp, &p_hwfn->mcp_info->capabilities); if (!rc) DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE), "MFW supported features: %08x\n", p_hwfn->mcp_info->capabilities); return rc; } int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 mcp_resp, mcp_param, features; features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE | DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK | DRV_MB_PARAM_FEATURE_SUPPORT_PORT_FEC_CONTROL; return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT, features, &mcp_resp, &mcp_param); } int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_mb_params mb_params = {0}; struct qed_dev *cdev = p_hwfn->cdev; u8 fir_valid, l2_valid; int rc; mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) return rc; if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) { DP_INFO(p_hwfn, "The get_engine_config command is unsupported by the MFW\n"); return -EOPNOTSUPP; } fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param, FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID); if (fir_valid) cdev->fir_affin = QED_MFW_GET_FIELD(mb_params.mcp_param, FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE); l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param, FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID); if (l2_valid) cdev->l2_affin_hint = QED_MFW_GET_FIELD(mb_params.mcp_param, FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE); DP_INFO(p_hwfn, "Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n" fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint); return 0; } int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_mb_params mb_params = {0}; struct qed_dev *cdev = p_hwfn->cdev; int rc; mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) return rc; if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) { DP_INFO(p_hwfn, "The get_ppfid_bitmap command is unsupported by the MFW\n"); return -EOPNOTSUPP; } cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param, FW_MB_PARAM_PPFID_BITMAP); DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n", cdev->ppfid_bitmap); return 0; } int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 option_id, u8 entity_id, u16 flags, u8 *p_buf, u32 *p_len) { u32 mb_param = 0, resp, param; int rc; QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id); if (flags & QED_NVM_CFG_OPTION_INIT) QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1); if (flags & QED_NVM_CFG_OPTION_FREE) QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1); if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) { QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1); QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID, entity_id); } rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_NVM_CFG_OPTION, mb_param, &resp, ¶m, p_len, (u32 *)p_buf, false); return rc; } int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 option_id, u8 entity_id, u16 flags, u8 *p_buf, u32 len) { u32 mb_param = 0, resp, param; QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id); if (flags & QED_NVM_CFG_OPTION_ALL) QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1); if (flags & QED_NVM_CFG_OPTION_INIT) QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1); if (flags & QED_NVM_CFG_OPTION_COMMIT) QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1); if (flags & QED_NVM_CFG_OPTION_FREE) QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1); if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) { QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1); QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID, entity_id); } return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_NVM_CFG_OPTION, mb_param, &resp, ¶m, len, (u32 *)p_buf); } #define QED_MCP_DBG_DATA_MAX_SIZE MCP_DRV_NVM_BUF_LEN #define QED_MCP_DBG_DATA_MAX_HEADER_SIZE sizeof(u32) #define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \ (QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE) static int __qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 *p_buf, u8 size) { struct qed_mcp_mb_params mb_params; int rc; if (size > QED_MCP_DBG_DATA_MAX_SIZE) { DP_ERR(p_hwfn, "Debug data size is %d while it should not exceed %d\n", size, QED_MCP_DBG_DATA_MAX_SIZE); return -EINVAL; } memset(&mb_params, 0, sizeof(mb_params)); mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND; SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size); mb_params.p_data_src = p_buf; mb_params.data_src_size = size; rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); if (rc) return rc; if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) { DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is unsupported by the MFW\n"); return -EOPNOTSUPP; } else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) { DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n"); return -EBUSY; } else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) { DP_NOTICE(p_hwfn, "Failed to send debug data to the MFW [resp 0x%08x]\n", mb_params.mcp_resp); return -EINVAL; } return 0; } enum qed_mcp_dbg_data_type { QED_MCP_DBG_DATA_TYPE_RAW, }; /* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */ #define QED_MCP_DBG_DATA_HDR_SN_OFFSET 0 #define QED_MCP_DBG_DATA_HDR_SN_MASK 0x00000fff #define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET 12 #define QED_MCP_DBG_DATA_HDR_TYPE_MASK 0x000ff000 #define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET 20 #define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000 #define QED_MCP_DBG_DATA_HDR_PF_OFFSET 28 #define QED_MCP_DBG_DATA_HDR_PF_MASK 0xf0000000 #define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST 0x1 #define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2 static int qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size) { u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf; u32 tmp_size = size, *p_header, *p_payload; u8 flags = 0; u16 seq; int rc; p_header = (u32 *)raw_data; p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE); seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq); /* First chunk is marked as 'first' */ flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST; *p_header = 0; SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq); SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type); SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags); SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id); while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) { memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE); rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data, QED_MCP_DBG_DATA_MAX_SIZE); if (rc) return rc; /* Clear the 'first' marking after sending the first chunk */ if (p_tmp_buf == p_buf) { flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST; SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags); } p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE; tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE; } /* Last chunk is marked as 'last' */ flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST; SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags); memcpy(p_payload, p_tmp_buf, tmp_size); /* Casting the left size to u8 is ok since at this point it is <= 32 */ return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data, (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE + tmp_size)); } int qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 *p_buf, u32 size) { return qed_mcp_send_debug_data(p_hwfn, p_ptt, QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size); } bool qed_mcp_is_esl_supported(struct qed_hwfn *p_hwfn) { return !!(p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_ENHANCED_SYS_LCK); } int qed_mcp_get_esl_status(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool *active) { u32 resp = 0, param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MANAGEMENT_STATUS, 0, &resp, ¶m); if (rc) { DP_NOTICE(p_hwfn, "Failed to send ESL command, rc = %d\n", rc); return rc; } *active = !!(param & FW_MB_PARAM_MANAGEMENT_STATUS_LOCKDOWN_ENABLED); return 0; }
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2026-05-28