From: Tomer Tayar Date: Mon, 5 Sep 2016 11:35:10 +0000 (+0300) Subject: qed: Add infrastructure for debug data collection X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4102426f9b7b3627c8c23a54d70363e81c93f9b7;p=linux-beck.git qed: Add infrastructure for debug data collection Adds support for several infrastructure operations that are done as part of debug data collection. Signed-off-by: Tomer Tayar Signed-off-by: Yuval Mintz Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h index a67b3554aabd..855691f18412 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h +++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h @@ -7638,6 +7638,7 @@ struct public_drv_mb { #define DRV_MSG_CODE_CFG_VF_MSIX 0xc0010000 #define DRV_MSG_CODE_MCP_RESET 0x00090000 #define DRV_MSG_CODE_SET_VERSION 0x000f0000 +#define DRV_MSG_CODE_MCP_HALT 0x00100000 #define DRV_MSG_CODE_GET_STATS 0x00130000 #define DRV_MSG_CODE_STATS_TYPE_LAN 1 @@ -7645,6 +7646,8 @@ struct public_drv_mb { #define DRV_MSG_CODE_STATS_TYPE_ISCSI 3 #define DRV_MSG_CODE_STATS_TYPE_RDMA 4 +#define DRV_MSG_CODE_MASK_PARITIES 0x001a0000 + #define DRV_MSG_CODE_BIST_TEST 0x001e0000 #define DRV_MSG_CODE_SET_LED_MODE 0x00200000 diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c index 472268c021db..7d39cb9b775b 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c @@ -389,6 +389,34 @@ int qed_mcp_cmd(struct qed_hwfn *p_hwfn, 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) +{ + struct qed_mcp_mb_params mb_params; + union drv_union_data union_data; + int rc; + + memset(&mb_params, 0, sizeof(mb_params)); + mb_params.cmd = cmd; + mb_params.param = param; + mb_params.p_data_dst = &union_data; + 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, &union_data.raw_data, *o_txn_size); + + return 0; +} + int qed_mcp_load_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_load_code) { @@ -1168,6 +1196,33 @@ qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, return rc; } +int qed_mcp_halt(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_MCP_HALT, 0, &resp, + ¶m); + if (rc) + DP_ERR(p_hwfn, "MCP response failure, aborting\n"); + + return rc; +} + +int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) +{ + u32 value, cpu_mode; + + qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff); + + value = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE); + value &= ~MCP_REG_CPU_MODE_SOFT_HALT; + qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, value); + cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE); + + return (cpu_mode & MCP_REG_CPU_MODE_SOFT_HALT) ? -EAGAIN : 0; +} + int qed_mcp_set_led(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_led_mode mode) { @@ -1195,6 +1250,27 @@ int qed_mcp_set_led(struct qed_hwfn *p_hwfn, 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_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 drv_mb_param = 0, rsp, param; diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.h b/drivers/net/ethernet/qlogic/qed/qed_mcp.h index c6372fa574b7..dff520ed069b 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.h +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.h @@ -467,6 +467,29 @@ int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn, int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); +/** + * @brief - Sends an NVM read command request to the MFW to get + * a buffer. + * + * @param p_hwfn + * @param p_ptt + * @param cmd - Command: DRV_MSG_CODE_NVM_GET_FILE_DATA or + * DRV_MSG_CODE_NVM_READ_NVRAM commands + * @param param - [0:23] - Offset [24:31] - Size + * @param o_mcp_resp - MCP response + * @param o_mcp_param - MCP response param + * @param o_txn_size - Buffer size output + * @param o_buf - Pointer to the buffer returned by the MFW. + * + * @param return 0 upon success. + */ +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); + /** * @brief indicates whether the MFW objects [under mcp_info] are accessible * @@ -489,6 +512,26 @@ bool qed_mcp_is_init(struct qed_hwfn *p_hwfn); int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 vf_id, u8 num); +/** + * @brief - Halt the MCP. + * + * @param p_hwfn + * @param p_ptt + * + * @param return 0 upon success. + */ +int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); + +/** + * @brief - Wake up the MCP. + * + * @param p_hwfn + * @param p_ptt + * + * @param return 0 upon success. + */ +int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); + int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw); int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw); int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn, @@ -500,4 +543,7 @@ int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn, struct qed_mcp_link_state *p_link, u8 min_bw); +int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 mask_parities); + #endif diff --git a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h index b49d47f3de71..b44f09b18eb1 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h +++ b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h @@ -527,4 +527,10 @@ #define QM_REG_WFQPFWEIGHT 0x2f4e80UL #define QM_REG_WFQVPWEIGHT 0x2fa000UL + +#define MCP_REG_CPU_MODE \ + 0xe05000UL +#define MCP_REG_CPU_MODE_SOFT_HALT \ + (0x1 << 10) + #endif