qed: Revert error handling changes.

This is new code and not bug fixes.

This reverts all changes added by merge commit
8fb18be9Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed.h

@@ -554,6 +554,7 @@ struct qed_hwfn {
 	u8				dp_level;
 	char				name[NAME_SIZE];
 
+	bool				first_on_engine;
 	bool				hw_init_done;
 
 	u8				num_funcs_on_engine;
@@ -804,9 +805,6 @@ struct qed_dev {
 
 	u32				mcp_nvm_resp;
 
-	/* Recovery */
-	bool recov_in_prog;
-
 	/* Linux specific here */
 	struct  qede_dev		*edev;
 	struct  pci_dev			*pdev;
@@ -946,7 +944,6 @@ void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt);
 u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
 		   u32 input_len, u8 *input_buf,
 		   u32 max_size, u8 *unzip_buf);
-void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn);
 void qed_get_protocol_stats(struct qed_dev *cdev,
 			    enum qed_mcp_protocol_type type,
 			    union qed_mcp_protocol_stats *stats);

drivers/net/ethernet/qlogic/qed/qed_dev.c

@@ -1959,6 +1959,11 @@ static int qed_hw_init_pf(struct qed_hwfn *p_hwfn,
 		     (p_hwfn->hw_info.personality == QED_PCI_FCOE) ? 1 : 0);
 	STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0);
 
+	/* Cleanup chip from previous driver if such remains exist */
+	rc = qed_final_cleanup(p_hwfn, p_ptt, rel_pf_id, false);
+	if (rc)
+		return rc;
+
 	/* Sanity check before the PF init sequence that uses DMAE */
 	rc = qed_dmae_sanity(p_hwfn, p_ptt, "pf_phase");
 	if (rc)
@@ -2002,15 +2007,17 @@ static int qed_hw_init_pf(struct qed_hwfn *p_hwfn,
 	return rc;
 }
 
-int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
-			       struct qed_ptt *p_ptt, bool b_enable)
+static int qed_change_pci_hwfn(struct qed_hwfn *p_hwfn,
+			       struct qed_ptt *p_ptt,
+			       u8 enable)
 {
-	u32 delay_idx = 0, val, set_val = b_enable ? 1 : 0;
+	u32 delay_idx = 0, val, set_val = enable ? 1 : 0;
 
-	/* Configure the PF's internal FID_enable for master transactions */
-	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);
+	/* Change PF in PXP */
+	qed_wr(p_hwfn, p_ptt,
+	       PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);
 
-	/* Wait until value is set - try for 1 second every 50us */
+	/* wait until value is set - try for 1 second every 50us */
 	for (delay_idx = 0; delay_idx < 20000; delay_idx++) {
 		val = qed_rd(p_hwfn, p_ptt,
 			     PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
@@ -2064,19 +2071,13 @@ static int qed_vf_start(struct qed_hwfn *p_hwfn,
 	return 0;
 }
 
-static void qed_pglueb_clear_err(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
-{
-	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR,
-	       BIT(p_hwfn->abs_pf_id));
-}
-
 int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
 {
 	struct qed_load_req_params load_req_params;
 	u32 load_code, resp, param, drv_mb_param;
 	bool b_default_mtu = true;
 	struct qed_hwfn *p_hwfn;
-	int rc = 0, i;
+	int rc = 0, mfw_rc, i;
 	u16 ether_type;
 
 	if ((p_params->int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
@@ -2091,7 +2092,7 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
 	}
 
 	for_each_hwfn(cdev, i) {
-		p_hwfn = &cdev->hwfns[i];
+		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 
 		/* If management didn't provide a default, set one of our own */
 		if (!p_hwfn->hw_info.mtu) {
@@ -2104,6 +2105,9 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
 			continue;
 		}
 
+		/* Enable DMAE in PXP */
+		rc = qed_change_pci_hwfn(p_hwfn, p_hwfn->p_main_ptt, true);
+
 		rc = qed_calc_hw_mode(p_hwfn);
 		if (rc)
 			return rc;
@@ -2140,43 +2144,12 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
 			   "Load request was sent. Load code: 0x%x\n",
 			   load_code);
 
-		/* Only relevant for recovery:
-		 * Clear the indication after LOAD_REQ is responded by the MFW.
-		 */
-		cdev->recov_in_prog = false;
-
 		qed_mcp_set_capabilities(p_hwfn, p_hwfn->p_main_ptt);
 
 		qed_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt);
 
-		/* Clean up chip from previous driver if such remains exist.
-		 * This is not needed when the PF is the first one on the
-		 * engine, since afterwards we are going to init the FW.
-		 */
-		if (load_code != FW_MSG_CODE_DRV_LOAD_ENGINE) {
-			rc = qed_final_cleanup(p_hwfn, p_hwfn->p_main_ptt,
-					       p_hwfn->rel_pf_id, false);
-			if (rc) {
-				DP_NOTICE(p_hwfn, "Final cleanup failed\n");
-				goto load_err;
-			}
-		}
-
-		/* Log and clear previous pglue_b errors if such exist */
-		qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt);
-
-		/* Enable the PF's internal FID_enable in the PXP */
-		rc = qed_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,
-						true);
-		if (rc)
-			goto load_err;
-
-		/* Clear the pglue_b was_error indication.
-		 * In E4 it must be done after the BME and the internal
-		 * FID_enable for the PF are set, since VDMs may cause the
-		 * indication to be set again.
-		 */
-		qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
+		p_hwfn->first_on_engine = (load_code ==
+					   FW_MSG_CODE_DRV_LOAD_ENGINE);
 
 		switch (load_code) {
 		case FW_MSG_CODE_DRV_LOAD_ENGINE:
@@ -2207,29 +2180,39 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
 			break;
 		}
 
-		if (rc) {
+		if (rc)
 			DP_NOTICE(p_hwfn,
 				  "init phase failed for loadcode 0x%x (rc %d)\n",
 				   load_code, rc);
-			goto load_err;
-		}
 
-		rc = qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
+		/* ACK mfw regardless of success or failure of initialization */
+		mfw_rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
+				     DRV_MSG_CODE_LOAD_DONE,
+				     0, &load_code, &param);
 		if (rc)
 			return rc;
+		if (mfw_rc) {
+			DP_NOTICE(p_hwfn, "Failed sending LOAD_DONE command\n");
+			return mfw_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 function as expected.\n");
 
 		/* send DCBX attention request command */
 		DP_VERBOSE(p_hwfn,
 			   QED_MSG_DCB,
 			   "sending phony dcbx set command to trigger DCBx attention handling\n");
-		rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
+		mfw_rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
 				     DRV_MSG_CODE_SET_DCBX,
 				     1 << DRV_MB_PARAM_DCBX_NOTIFY_SHIFT,
-				 &resp, &param);
-		if (rc) {
+				     &load_code, &param);
+		if (mfw_rc) {
 			DP_NOTICE(p_hwfn,
 				  "Failed to send DCBX attention request\n");
-			return rc;
+			return mfw_rc;
 		}
 
 		p_hwfn->hw_init_done = true;
@@ -2278,12 +2261,6 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
 	}
 
 	return 0;
-
-load_err:
-	/* The MFW load lock should be released also when initialization fails.
-	 */
-	qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
-	return rc;
 }
 
 #define QED_HW_STOP_RETRY_LIMIT (10)
@@ -2296,9 +2273,6 @@ static void qed_hw_timers_stop(struct qed_dev *cdev,
 	qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0);
 	qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0);
 
-	if (cdev->recov_in_prog)
-		return;
-
 	for (i = 0; i < QED_HW_STOP_RETRY_LIMIT; i++) {
 		if ((!qed_rd(p_hwfn, p_ptt,
 			     TM_REG_PF_SCAN_ACTIVE_CONN)) &&
@@ -2361,7 +2335,6 @@ int qed_hw_stop(struct qed_dev *cdev)
 		p_hwfn->hw_init_done = false;
 
 		/* Send unload command to MCP */
-		if (!cdev->recov_in_prog) {
 		rc = qed_mcp_unload_req(p_hwfn, p_ptt);
 		if (rc) {
 			DP_NOTICE(p_hwfn,
@@ -2369,7 +2342,6 @@ int qed_hw_stop(struct qed_dev *cdev)
 				  rc);
 			rc2 = -EINVAL;
 		}
-		}
 
 		qed_slowpath_irq_sync(p_hwfn);
 
@@ -2410,8 +2382,7 @@ int qed_hw_stop(struct qed_dev *cdev)
 		qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DB_ENABLE, 0);
 		qed_wr(p_hwfn, p_ptt, QM_REG_PF_EN, 0);
 
-		if (!cdev->recov_in_prog) {
-			rc = qed_mcp_unload_done(p_hwfn, p_ptt);
+		qed_mcp_unload_done(p_hwfn, p_ptt);
 		if (rc) {
 			DP_NOTICE(p_hwfn,
 				  "Failed sending a UNLOAD_DONE command. rc = %d.\n",
@@ -2419,22 +2390,19 @@ int qed_hw_stop(struct qed_dev *cdev)
 			rc2 = -EINVAL;
 		}
 	}
-	}
 
-	if (IS_PF(cdev) && !cdev->recov_in_prog) {
+	if (IS_PF(cdev)) {
 		p_hwfn = QED_LEADING_HWFN(cdev);
 		p_ptt = QED_LEADING_HWFN(cdev)->p_main_ptt;
 
-		/* Clear the PF's internal FID_enable in the PXP.
-		 * In CMT this should only be done for first hw-function, and
-		 * only after all transactions have stopped for all active
-		 * hw-functions.
+		/* Disable DMAE in PXP - in CMT, this should only be done for
+		 * first hw-function, and only after all transactions have
+		 * stopped for all active hw-functions.
 		 */
-		rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
+		rc = qed_change_pci_hwfn(p_hwfn, p_ptt, false);
 		if (rc) {
 			DP_NOTICE(p_hwfn,
-				  "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
-				  rc);
+				  "qed_change_pci_hwfn failed. rc = %d.\n", rc);
 			rc2 = -EINVAL;
 		}
 	}
@@ -2534,8 +2502,9 @@ static void qed_hw_hwfn_prepare(struct qed_hwfn *p_hwfn)
 		       PGLUE_B_REG_PGL_ADDR_94_F0_BB, 0);
 	}
 
-	/* Clean previous pglue_b errors if such exist */
-	qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
+	/* Clean Previous errors if such exist */
+	qed_wr(p_hwfn, p_hwfn->p_main_ptt,
+	       PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR, 1 << p_hwfn->abs_pf_id);
 
 	/* enable internal target-read */
 	qed_wr(p_hwfn, p_hwfn->p_main_ptt,
@@ -3471,7 +3440,6 @@ static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
 				 void __iomem *p_doorbells,
 				 enum qed_pci_personality personality)
 {
-	struct qed_dev *cdev = p_hwfn->cdev;
 	int rc = 0;
 
 	/* Split PCI bars evenly between hwfns */
@@ -3524,7 +3492,7 @@ static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
 	/* Sending a mailbox to the MFW should be done after qed_get_hw_info()
 	 * is called as it sets the ports number in an engine.
 	 */
-	if (IS_LEAD_HWFN(p_hwfn) && !cdev->recov_in_prog) {
+	if (IS_LEAD_HWFN(p_hwfn)) {
 		rc = qed_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt);
 		if (rc)
 			DP_NOTICE(p_hwfn, "Failed to initiate PF FLR\n");

drivers/net/ethernet/qlogic/qed/qed_dev_api.h

@@ -472,18 +472,6 @@ int qed_get_queue_coalesce(struct qed_hwfn *p_hwfn, u16 *coal, void *handle);
 int
 qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle);
 
-/**
- * @brief qed_pglueb_set_pfid_enable - Enable or disable PCI BUS MASTER
- *
- * @param p_hwfn
- * @param p_ptt
- * @param b_enable - true/false
- *
- * @return int
- */
-int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
-			       struct qed_ptt *p_ptt, bool b_enable);
-
 /**
  * @brief db_recovery_add - add doorbell information to the doorbell
  * recovery mechanism.

drivers/net/ethernet/qlogic/qed/qed_hsi.h

@@ -12827,7 +12827,7 @@ enum MFW_DRV_MSG_TYPE {
 	MFW_DRV_MSG_LLDP_DATA_UPDATED,
 	MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED,
 	MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED,
-	MFW_DRV_MSG_ERROR_RECOVERY,
+	MFW_DRV_MSG_RESERVED4,
 	MFW_DRV_MSG_BW_UPDATE,
 	MFW_DRV_MSG_S_TAG_UPDATE,
 	MFW_DRV_MSG_GET_LAN_STATS,

drivers/net/ethernet/qlogic/qed/qed_hw.c

@@ -703,17 +703,6 @@ static int qed_dmae_execute_command(struct qed_hwfn *p_hwfn,
 	int qed_status = 0;
 	u32 offset = 0;
 
-	if (p_hwfn->cdev->recov_in_prog) {
-		DP_VERBOSE(p_hwfn,
-			   NETIF_MSG_HW,
-			   "Recovery is in progress. Avoid DMAE transaction [{src: addr 0x%llx, type %d}, {dst: addr 0x%llx, type %d}, size %d].\n",
-			   src_addr, src_type, dst_addr, dst_type,
-			   size_in_dwords);
-
-		/* Let the flow complete w/o any error handling */
-		return 0;
-	}
-
 	qed_dmae_opcode(p_hwfn,
 			(src_type == QED_DMAE_ADDRESS_GRC),
 			(dst_type == QED_DMAE_ADDRESS_GRC),

drivers/net/ethernet/qlogic/qed/qed_int.c

@@ -255,24 +255,23 @@ static int qed_grc_attn_cb(struct qed_hwfn *p_hwfn)
 #define PGLUE_ATTENTION_ICPL_VALID		(1 << 23)
 #define PGLUE_ATTENTION_ZLR_VALID		(1 << 25)
 #define PGLUE_ATTENTION_ILT_VALID		(1 << 23)
-
-int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
-				struct qed_ptt *p_ptt)
+static int qed_pglub_rbc_attn_cb(struct qed_hwfn *p_hwfn)
 {
 	u32 tmp;
 
-	tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_WR_DETAILS2);
+	tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+		     PGLUE_B_REG_TX_ERR_WR_DETAILS2);
 	if (tmp & PGLUE_ATTENTION_VALID) {
 		u32 addr_lo, addr_hi, details;
 
-		addr_lo = qed_rd(p_hwfn, p_ptt,
+		addr_lo = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_TX_ERR_WR_ADD_31_0);
-		addr_hi = qed_rd(p_hwfn, p_ptt,
+		addr_hi = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_TX_ERR_WR_ADD_63_32);
-		details = qed_rd(p_hwfn, p_ptt,
+		details = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_TX_ERR_WR_DETAILS);
 
-		DP_NOTICE(p_hwfn,
+		DP_INFO(p_hwfn,
 			"Illegal write by chip to [%08x:%08x] blocked.\n"
 			"Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
 			"Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
@@ -290,79 +289,78 @@ int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
 				  PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1 : 0);
 	}
 
-	tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_RD_DETAILS2);
+	tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+		     PGLUE_B_REG_TX_ERR_RD_DETAILS2);
 	if (tmp & PGLUE_ATTENTION_RD_VALID) {
 		u32 addr_lo, addr_hi, details;
 
-		addr_lo = qed_rd(p_hwfn, p_ptt,
+		addr_lo = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_TX_ERR_RD_ADD_31_0);
-		addr_hi = qed_rd(p_hwfn, p_ptt,
+		addr_hi = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_TX_ERR_RD_ADD_63_32);
-		details = qed_rd(p_hwfn, p_ptt,
+		details = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_TX_ERR_RD_DETAILS);
 
-		DP_NOTICE(p_hwfn,
+		DP_INFO(p_hwfn,
 			"Illegal read by chip from [%08x:%08x] blocked.\n"
-			  "Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
-			  "Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
+			" Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
+			" Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
 			addr_hi, addr_lo, details,
 			(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_PFID),
 			(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_VFID),
 			GET_FIELD(details,
 				  PGLUE_ATTENTION_DETAILS_VF_VALID) ? 1 : 0,
 			tmp,
-			  GET_FIELD(tmp,
-				    PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1 : 0,
-			  GET_FIELD(tmp,
-				    PGLUE_ATTENTION_DETAILS2_BME) ? 1 : 0,
-			  GET_FIELD(tmp,
-				    PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1 : 0);
+			GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1
+									 : 0,
+			GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_BME) ? 1 : 0,
+			GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1
+									: 0);
 	}
 
-	tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_WR_DETAILS_ICPL);
+	tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+		     PGLUE_B_REG_TX_ERR_WR_DETAILS_ICPL);
 	if (tmp & PGLUE_ATTENTION_ICPL_VALID)
-		DP_NOTICE(p_hwfn, "ICPL error - %08x\n", tmp);
+		DP_INFO(p_hwfn, "ICPL error - %08x\n", tmp);
 
-	tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_ZLR_ERR_DETAILS);
+	tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+		     PGLUE_B_REG_MASTER_ZLR_ERR_DETAILS);
 	if (tmp & PGLUE_ATTENTION_ZLR_VALID) {
 		u32 addr_hi, addr_lo;
 
-		addr_lo = qed_rd(p_hwfn, p_ptt,
+		addr_lo = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_MASTER_ZLR_ERR_ADD_31_0);
-		addr_hi = qed_rd(p_hwfn, p_ptt,
+		addr_hi = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_MASTER_ZLR_ERR_ADD_63_32);
 
-		DP_NOTICE(p_hwfn, "ZLR error - %08x [Address %08x:%08x]\n",
+		DP_INFO(p_hwfn, "ZLR eror - %08x [Address %08x:%08x]\n",
 			tmp, addr_hi, addr_lo);
 	}
 
-	tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_ILT_ERR_DETAILS2);
+	tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+		     PGLUE_B_REG_VF_ILT_ERR_DETAILS2);
 	if (tmp & PGLUE_ATTENTION_ILT_VALID) {
 		u32 addr_hi, addr_lo, details;
 
-		addr_lo = qed_rd(p_hwfn, p_ptt,
+		addr_lo = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_VF_ILT_ERR_ADD_31_0);
-		addr_hi = qed_rd(p_hwfn, p_ptt,
+		addr_hi = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_VF_ILT_ERR_ADD_63_32);
-		details = qed_rd(p_hwfn, p_ptt,
+		details = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 				 PGLUE_B_REG_VF_ILT_ERR_DETAILS);
 
-		DP_NOTICE(p_hwfn,
+		DP_INFO(p_hwfn,
 			"ILT error - Details %08x Details2 %08x [Address %08x:%08x]\n",
 			details, tmp, addr_hi, addr_lo);
 	}
 
 	/* Clear the indications */
-	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_LATCHED_ERRORS_CLR, BIT(2));
+	qed_wr(p_hwfn, p_hwfn->p_dpc_ptt,
+	       PGLUE_B_REG_LATCHED_ERRORS_CLR, (1 << 2));
 
 	return 0;
 }
 
-static int qed_pglueb_rbc_attn_cb(struct qed_hwfn *p_hwfn)
-{
-	return qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_dpc_ptt);
-}
-
 #define QED_DORQ_ATTENTION_REASON_MASK  (0xfffff)
 #define QED_DORQ_ATTENTION_OPAQUE_MASK  (0xffff)
 #define QED_DORQ_ATTENTION_OPAQUE_SHIFT (0x0)
@@ -542,7 +540,7 @@ static struct aeu_invert_reg aeu_descs[NUM_ATTN_REGS] = {
 			{"PGLUE misc_flr", ATTENTION_SINGLE,
 			 NULL, MAX_BLOCK_ID},
 			{"PGLUE B RBC", ATTENTION_PAR_INT,
-			 qed_pglueb_rbc_attn_cb, BLOCK_PGLUE_B},
+			 qed_pglub_rbc_attn_cb, BLOCK_PGLUE_B},
 			{"PGLUE misc_mctp", ATTENTION_SINGLE,
 			 NULL, MAX_BLOCK_ID},
 			{"Flash event", ATTENTION_SINGLE, NULL, MAX_BLOCK_ID},

drivers/net/ethernet/qlogic/qed/qed_int.h

@@ -431,7 +431,4 @@ int qed_int_set_timer_res(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
 
 #define QED_MAPPING_MEMORY_SIZE(dev)	(NUM_OF_SBS(dev))
 
-int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
-				struct qed_ptt *p_ptt);
-
 #endif

drivers/net/ethernet/qlogic/qed/qed_main.c

@@ -359,8 +359,6 @@ static struct qed_dev *qed_probe(struct pci_dev *pdev,
 
 	qed_init_dp(cdev, params->dp_module, params->dp_level);
 
-	cdev->recov_in_prog = params->recov_in_prog;
-
 	rc = qed_init_pci(cdev, pdev);
 	if (rc) {
 		DP_ERR(cdev, "init pci failed\n");
@@ -2205,15 +2203,6 @@ static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
 	return qed_mcp_get_nvm_image(hwfn, type, buf, len);
 }
 
-void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
-{
-	struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
-	void *cookie = p_hwfn->cdev->ops_cookie;
-
-	if (ops && ops->schedule_recovery_handler)
-		ops->schedule_recovery_handler(cookie);
-}
-
 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
 			    void *handle)
 {
@@ -2237,23 +2226,6 @@ static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
 	return status;
 }
 
-static int qed_recovery_process(struct qed_dev *cdev)
-{
-	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
-	struct qed_ptt *p_ptt;
-	int rc = 0;
-
-	p_ptt = qed_ptt_acquire(p_hwfn);
-	if (!p_ptt)
-		return -EAGAIN;
-
-	rc = qed_start_recovery_process(p_hwfn, p_ptt);
-
-	qed_ptt_release(p_hwfn, p_ptt);
-
-	return rc;
-}
-
 static int qed_update_wol(struct qed_dev *cdev, bool enabled)
 {
 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
@@ -2408,8 +2380,6 @@ const struct qed_common_ops qed_common_ops_pass = {
 	.nvm_get_image = &qed_nvm_get_image,
 	.set_coalesce = &qed_set_coalesce,
 	.set_led = &qed_set_led,
-	.recovery_process = &qed_recovery_process,
-	.recovery_prolog = &qed_recovery_prolog,
 	.update_drv_state = &qed_update_drv_state,
 	.update_mac = &qed_update_mac,
 	.update_mtu = &qed_update_mtu,

drivers/net/ethernet/qlogic/qed/qed_mcp.c

@@ -1070,27 +1070,6 @@ int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
 	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,
-			 &param);
-	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 function as expected.\n");
-
-	return 0;
-}
-
 int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 {
 	struct qed_mcp_mb_params mb_params;
@@ -1549,60 +1528,6 @@ int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool 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)
@@ -1833,9 +1758,6 @@ int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
 		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:
@@ -2381,43 +2303,6 @@ int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
 	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)

drivers/net/ethernet/qlogic/qed/qed_mcp.h

@@ -440,38 +440,6 @@ qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
 			 struct qed_ptt *p_ptt,
 			 struct qed_mcp_drv_version *p_ver);
 
-/**
- * @brief Read the MFW process kill counter
- *
- * @param p_hwfn
- * @param p_ptt
- *
- * @return u32
- */
-u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
-				 struct qed_ptt *p_ptt);
-
-/**
- * @brief Trigger a recovery process
- *
- *  @param p_hwfn
- *  @param p_ptt
- *
- * @return int
- */
-int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
-
-/**
- * @brief A recovery handler must call this function as its first step.
- *        It is assumed that the handler is not run from an interrupt context.
- *
- *  @param cdev
- *  @param p_ptt
- *
- * @return int
- */
-int qed_recovery_prolog(struct qed_dev *cdev);
-
 /**
  * @brief Notify MFW about the change in base device properties
  *
@@ -832,16 +800,6 @@ int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
 		     struct qed_ptt *p_ptt,
 		     struct qed_load_req_params *p_params);
 
-/**
- * @brief Sends a LOAD_DONE message to the MFW
- *
- * @param p_hwfn
- * @param p_ptt
- *
- * @return int - 0 - Operation was successful.
- */
-int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
-
 /**
  * @brief Sends a UNLOAD_REQ message to the MFW
  *

drivers/net/ethernet/qlogic/qed/qed_reg_addr.h

@@ -518,8 +518,6 @@
 	0x180824UL
 #define  MISC_REG_AEU_GENERAL_ATTN_0 \
 	0x008400UL
-#define MISC_REG_AEU_GENERAL_ATTN_35 \
-	0x00848cUL
 #define  CAU_REG_SB_ADDR_MEMORY \
 	0x1c8000UL
 #define  CAU_REG_SB_VAR_MEMORY \

drivers/net/ethernet/qlogic/qed/qed_spq.c

@@ -790,17 +790,6 @@ static int qed_spq_pend_post(struct qed_hwfn *p_hwfn)
 				 SPQ_HIGH_PRI_RESERVE_DEFAULT);
 }
 
-static void qed_spq_recov_set_ret_code(struct qed_spq_entry *p_ent,
-				       u8 *fw_return_code)
-{
-	if (!fw_return_code)
-		return;
-
-	if (p_ent->elem.hdr.protocol_id == PROTOCOLID_ROCE ||
-	    p_ent->elem.hdr.protocol_id == PROTOCOLID_IWARP)
-		*fw_return_code = RDMA_RETURN_OK;
-}
-
 /* Avoid overriding of SPQ entries when getting out-of-order completions, by
  * marking the completions in a bitmap and increasing the chain consumer only
  * for the first successive completed entries.
@@ -836,17 +825,6 @@ int qed_spq_post(struct qed_hwfn *p_hwfn,
 		return -EINVAL;
 	}
 
-	if (p_hwfn->cdev->recov_in_prog) {
-		DP_VERBOSE(p_hwfn,
-			   QED_MSG_SPQ,
-			   "Recovery is in progress. Skip spq post [cmd %02x protocol %02x]\n",
-			   p_ent->elem.hdr.cmd_id, p_ent->elem.hdr.protocol_id);
-
-		/* Let the flow complete w/o any error handling */
-		qed_spq_recov_set_ret_code(p_ent, fw_return_code);
-		return 0;
-	}
-
 	/* Complete the entry */
 	rc = qed_spq_fill_entry(p_hwfn, p_ent);
 

drivers/net/ethernet/qlogic/qed/qed_sriov.c

@@ -4447,13 +4447,6 @@ int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
 	if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
 		pci_disable_sriov(cdev->pdev);
 
-	if (cdev->recov_in_prog) {
-		DP_VERBOSE(cdev,
-			   QED_MSG_IOV,
-			   "Skip SRIOV disable operations in the device since a recovery is in progress\n");
-		goto out;
-	}
-
 	for_each_hwfn(cdev, i) {
 		struct qed_hwfn *hwfn = &cdev->hwfns[i];
 		struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
@@ -4493,7 +4486,7 @@ int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
 
 		qed_ptt_release(hwfn, ptt);
 	}
-out:
+
 	qed_iov_set_vfs_to_disable(cdev, false);
 
 	return 0;

drivers/net/ethernet/qlogic/qede/qede.h

@@ -162,7 +162,6 @@ struct qede_rdma_dev {
 	struct list_head entry;
 	struct list_head rdma_event_list;
 	struct workqueue_struct *rdma_wq;
-	bool exp_recovery;
 };
 
 struct qede_ptp;
@@ -265,7 +264,6 @@ struct qede_dev {
 enum QEDE_STATE {
 	QEDE_STATE_CLOSED,
 	QEDE_STATE_OPEN,
-	QEDE_STATE_RECOVERY,
 };
 
 #define HILO_U64(hi, lo)		((((u64)(hi)) << 32) + (lo))
@@ -464,7 +462,6 @@ struct qede_fastpath {
 #define QEDE_CSUM_UNNECESSARY		BIT(1)
 #define QEDE_TUNN_CSUM_UNNECESSARY	BIT(2)
 
-#define QEDE_SP_RECOVERY		0
 #define QEDE_SP_RX_MODE			1
 
 #ifdef CONFIG_RFS_ACCEL

drivers/net/ethernet/qlogic/qede/qede_main.c

@@ -133,12 +133,23 @@ static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id);
 static void qede_remove(struct pci_dev *pdev);
 static void qede_shutdown(struct pci_dev *pdev);
 static void qede_link_update(void *dev, struct qed_link_output *link);
-static void qede_schedule_recovery_handler(void *dev);
-static void qede_recovery_handler(struct qede_dev *edev);
 static void qede_get_eth_tlv_data(void *edev, void *data);
 static void qede_get_generic_tlv_data(void *edev,
 				      struct qed_generic_tlvs *data);
 
+/* The qede lock is used to protect driver state change and driver flows that
+ * are not reentrant.
+ */
+void __qede_lock(struct qede_dev *edev)
+{
+	mutex_lock(&edev->qede_lock);
+}
+
+void __qede_unlock(struct qede_dev *edev)
+{
+	mutex_unlock(&edev->qede_lock);
+}
+
 #ifdef CONFIG_QED_SRIOV
 static int qede_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, u8 qos,
 			    __be16 vlan_proto)
@@ -220,7 +231,6 @@ static struct qed_eth_cb_ops qede_ll_ops = {
 		.arfs_filter_op = qede_arfs_filter_op,
 #endif
 		.link_update = qede_link_update,
-		.schedule_recovery_handler = qede_schedule_recovery_handler,
 		.get_generic_tlv_data = qede_get_generic_tlv_data,
 		.get_protocol_tlv_data = qede_get_eth_tlv_data,
 	},
@@ -940,57 +950,11 @@ static int qede_alloc_fp_array(struct qede_dev *edev)
 	return -ENOMEM;
 }
 
-/* The qede lock is used to protect driver state change and driver flows that
- * are not reentrant.
- */
-void __qede_lock(struct qede_dev *edev)
-{
-	mutex_lock(&edev->qede_lock);
-}
-
-void __qede_unlock(struct qede_dev *edev)
-{
-	mutex_unlock(&edev->qede_lock);
-}
-
-/* This version of the lock should be used when acquiring the RTNL lock is also
- * needed in addition to the internal qede lock.
- */
-void qede_lock(struct qede_dev *edev)
-{
-	rtnl_lock();
-	__qede_lock(edev);
-}
-
-void qede_unlock(struct qede_dev *edev)
-{
-	__qede_unlock(edev);
-	rtnl_unlock();
-}
-
 static void qede_sp_task(struct work_struct *work)
 {
 	struct qede_dev *edev = container_of(work, struct qede_dev,
 					     sp_task.work);
 
-	/* The locking scheme depends on the specific flag:
-	 * In case of QEDE_SP_RECOVERY, acquiring the RTNL lock is required to
-	 * ensure that ongoing flows are ended and new ones are not started.
-	 * In other cases - only the internal qede lock should be acquired.
-	 */
-
-	if (test_and_clear_bit(QEDE_SP_RECOVERY, &edev->sp_flags)) {
-#ifdef CONFIG_QED_SRIOV
-		/* SRIOV must be disabled outside the lock to avoid a deadlock.
-		 * The recovery of the active VFs is currently not supported.
-		 */
-		qede_sriov_configure(edev->pdev, 0);
-#endif
-		qede_lock(edev);
-		qede_recovery_handler(edev);
-		qede_unlock(edev);
-	}
-
 	__qede_lock(edev);
 
 	if (test_and_clear_bit(QEDE_SP_RX_MODE, &edev->sp_flags))
@@ -1067,13 +1031,8 @@ static void qede_log_probe(struct qede_dev *edev)
 
 enum qede_probe_mode {
 	QEDE_PROBE_NORMAL,
-	QEDE_PROBE_RECOVERY,
 };
 
-#define QEDE_RDMA_PROBE_MODE(mode) \
-	((mode) == QEDE_PROBE_NORMAL ? QEDE_RDMA_PROBE_NORMAL \
-				     : QEDE_RDMA_PROBE_RECOVERY)
-
 static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
 			bool is_vf, enum qede_probe_mode mode)
 {
@@ -1092,7 +1051,6 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
 	probe_params.dp_module = dp_module;
 	probe_params.dp_level = dp_level;
 	probe_params.is_vf = is_vf;
-	probe_params.recov_in_prog = (mode == QEDE_PROBE_RECOVERY);
 	cdev = qed_ops->common->probe(pdev, &probe_params);
 	if (!cdev) {
 		rc = -ENODEV;
@@ -1120,32 +1078,22 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
 	if (rc)
 		goto err2;
 
-	if (mode != QEDE_PROBE_RECOVERY) {
 	edev = qede_alloc_etherdev(cdev, pdev, &dev_info, dp_module,
 				   dp_level);
 	if (!edev) {
 		rc = -ENOMEM;
 		goto err2;
 	}
-	} else {
-		struct net_device *ndev = pci_get_drvdata(pdev);
-
-		edev = netdev_priv(ndev);
-		edev->cdev = cdev;
-		memset(&edev->stats, 0, sizeof(edev->stats));
-		memcpy(&edev->dev_info, &dev_info, sizeof(dev_info));
-	}
 
 	if (is_vf)
 		set_bit(QEDE_FLAGS_IS_VF, &edev->flags);
 
 	qede_init_ndev(edev);
 
-	rc = qede_rdma_dev_add(edev, QEDE_RDMA_PROBE_MODE(mode));
+	rc = qede_rdma_dev_add(edev);
 	if (rc)
 		goto err3;
 
-	if (mode != QEDE_PROBE_RECOVERY) {
 	/* Prepare the lock prior to the registration of the netdev,
 	 * as once it's registered we might reach flows requiring it
 	 * [it's even possible to reach a flow needing it directly
@@ -1153,19 +1101,17 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
 	 */
 	INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task);
 	mutex_init(&edev->qede_lock);
-
 	rc = register_netdev(edev->ndev);
 	if (rc) {
 		DP_NOTICE(edev, "Cannot register net-device\n");
 		goto err4;
 	}
-	}
 
 	edev->ops->common->set_name(cdev, edev->ndev->name);
 
 	/* PTP not supported on VFs */
 	if (!is_vf)
-		qede_ptp_enable(edev, (mode == QEDE_PROBE_NORMAL));
+		qede_ptp_enable(edev, true);
 
 	edev->ops->register_ops(cdev, &qede_ll_ops, edev);
 
@@ -1180,7 +1126,7 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
 	return 0;
 
 err4:
-	qede_rdma_dev_remove(edev, QEDE_RDMA_PROBE_MODE(mode));
+	qede_rdma_dev_remove(edev);
 err3:
 	free_netdev(edev->ndev);
 err2:
@@ -1216,13 +1162,8 @@ static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 enum qede_remove_mode {
 	QEDE_REMOVE_NORMAL,
-	QEDE_REMOVE_RECOVERY,
 };
 
-#define QEDE_RDMA_REMOVE_MODE(mode) \
-	((mode) == QEDE_REMOVE_NORMAL ? QEDE_RDMA_REMOVE_NORMAL \
-			      : QEDE_RDMA_REMOVE_RECOVERY)
-
 static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode)
 {
 	struct net_device *ndev = pci_get_drvdata(pdev);
@@ -1231,19 +1172,15 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode)
 
 	DP_INFO(edev, "Starting qede_remove\n");
 
-	qede_rdma_dev_remove(edev, QEDE_RDMA_REMOVE_MODE(mode));
-
-	if (mode != QEDE_REMOVE_RECOVERY) {
+	qede_rdma_dev_remove(edev);
 	unregister_netdev(ndev);
-
 	cancel_delayed_work_sync(&edev->sp_task);
 
+	qede_ptp_disable(edev);
+
 	edev->ops->common->set_power_state(cdev, PCI_D0);
 
 	pci_set_drvdata(pdev, NULL);
-	}
-
-	qede_ptp_disable(edev);
 
 	/* Use global ops since we've freed edev */
 	qed_ops->common->slowpath_stop(cdev);
@@ -1257,7 +1194,6 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode)
 	 * [e.g., QED register callbacks] won't break anything when
 	 * accessing the netdevice.
 	 */
-	if (mode != QEDE_REMOVE_RECOVERY)
 	 free_netdev(ndev);
 
 	dev_info(&pdev->dev, "Ending qede_remove successfully\n");
@@ -1603,58 +1539,6 @@ static int qede_alloc_mem_load(struct qede_dev *edev)
 	return 0;
 }
 
-static void qede_empty_tx_queue(struct qede_dev *edev,
-				struct qede_tx_queue *txq)
-{
-	unsigned int pkts_compl = 0, bytes_compl = 0;
-	struct netdev_queue *netdev_txq;
-	int rc, len = 0;
-
-	netdev_txq = netdev_get_tx_queue(edev->ndev, txq->ndev_txq_id);
-
-	while (qed_chain_get_cons_idx(&txq->tx_pbl) !=
-	       qed_chain_get_prod_idx(&txq->tx_pbl)) {
-		DP_VERBOSE(edev, NETIF_MSG_IFDOWN,
-			   "Freeing a packet on tx queue[%d]: chain_cons 0x%x, chain_prod 0x%x\n",
-			   txq->index, qed_chain_get_cons_idx(&txq->tx_pbl),
-			   qed_chain_get_prod_idx(&txq->tx_pbl));
-
-		rc = qede_free_tx_pkt(edev, txq, &len);
-		if (rc) {
-			DP_NOTICE(edev,
-				  "Failed to free a packet on tx queue[%d]: chain_cons 0x%x, chain_prod 0x%x\n",
-				  txq->index,
-				  qed_chain_get_cons_idx(&txq->tx_pbl),
-				  qed_chain_get_prod_idx(&txq->tx_pbl));
-			break;
-		}
-
-		bytes_compl += len;
-		pkts_compl++;
-		txq->sw_tx_cons++;
-	}
-
-	netdev_tx_completed_queue(netdev_txq, pkts_compl, bytes_compl);
-}
-
-static void qede_empty_tx_queues(struct qede_dev *edev)
-{
-	int i;
-
-	for_each_queue(i)
-		if (edev->fp_array[i].type & QEDE_FASTPATH_TX) {
-			int cos;
-
-			for_each_cos_in_txq(edev, cos) {
-				struct qede_fastpath *fp;
-
-				fp = &edev->fp_array[i];
-				qede_empty_tx_queue(edev,
-						    &fp->txq[cos]);
-			}
-		}
-}
-
 /* This function inits fp content and resets the SB, RXQ and TXQ structures */
 static void qede_init_fp(struct qede_dev *edev)
 {
@@ -2169,7 +2053,6 @@ static int qede_start_queues(struct qede_dev *edev, bool clear_stats)
 
 enum qede_unload_mode {
 	QEDE_UNLOAD_NORMAL,
-	QEDE_UNLOAD_RECOVERY,
 };
 
 static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
@@ -2185,7 +2068,6 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
 
 	clear_bit(QEDE_FLAGS_LINK_REQUESTED, &edev->flags);
 
-	if (mode != QEDE_UNLOAD_RECOVERY)
 	edev->state = QEDE_STATE_CLOSED;
 
 	qede_rdma_dev_event_close(edev);
@@ -2194,12 +2076,10 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
 	netif_tx_disable(edev->ndev);
 	netif_carrier_off(edev->ndev);
 
-	if (mode != QEDE_UNLOAD_RECOVERY) {
 	/* Reset the link */
 	memset(&link_params, 0, sizeof(link_params));
 	link_params.link_up = false;
 	edev->ops->common->set_link(edev->cdev, &link_params);
-
 	rc = qede_stop_queues(edev);
 	if (rc) {
 		qede_sync_free_irqs(edev);
@@ -2207,7 +2087,6 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
 	}
 
 	DP_INFO(edev, "Stopped Queues\n");
-	}
 
 	qede_vlan_mark_nonconfigured(edev);
 	edev->ops->fastpath_stop(edev->cdev);
@@ -2223,26 +2102,18 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
 
 	qede_napi_disable_remove(edev);
 
-	if (mode == QEDE_UNLOAD_RECOVERY)
-		qede_empty_tx_queues(edev);
-
 	qede_free_mem_load(edev);
 	qede_free_fp_array(edev);
 
 out:
 	if (!is_locked)
 		__qede_unlock(edev);
-
-	if (mode != QEDE_UNLOAD_RECOVERY)
-		DP_NOTICE(edev, "Link is down\n");
-
 	DP_INFO(edev, "Ending qede unload\n");
 }
 
 enum qede_load_mode {
 	QEDE_LOAD_NORMAL,
 	QEDE_LOAD_RELOAD,
-	QEDE_LOAD_RECOVERY,
 };
 
 static int qede_load(struct qede_dev *edev, enum qede_load_mode mode,
@@ -2422,77 +2293,6 @@ static void qede_link_update(void *dev, struct qed_link_output *link)
 	}
 }
 
-static void qede_schedule_recovery_handler(void *dev)
-{
-	struct qede_dev *edev = dev;
-
-	if (edev->state == QEDE_STATE_RECOVERY) {
-		DP_NOTICE(edev,
-			  "Avoid scheduling a recovery handling since already in recovery state\n");
-		return;
-	}
-
-	set_bit(QEDE_SP_RECOVERY, &edev->sp_flags);
-	schedule_delayed_work(&edev->sp_task, 0);
-
-	DP_INFO(edev, "Scheduled a recovery handler\n");
-}
-
-static void qede_recovery_failed(struct qede_dev *edev)
-{
-	netdev_err(edev->ndev, "Recovery handling has failed. Power cycle is needed.\n");
-
-	netif_device_detach(edev->ndev);
-
-	if (edev->cdev)
-		edev->ops->common->set_power_state(edev->cdev, PCI_D3hot);
-}
-
-static void qede_recovery_handler(struct qede_dev *edev)
-{
-	u32 curr_state = edev->state;
-	int rc;
-
-	DP_NOTICE(edev, "Starting a recovery process\n");
-
-	/* No need to acquire first the qede_lock since is done by qede_sp_task
-	 * before calling this function.
-	 */
-	edev->state = QEDE_STATE_RECOVERY;
-
-	edev->ops->common->recovery_prolog(edev->cdev);
-
-	if (curr_state == QEDE_STATE_OPEN)
-		qede_unload(edev, QEDE_UNLOAD_RECOVERY, true);
-
-	__qede_remove(edev->pdev, QEDE_REMOVE_RECOVERY);
-
-	rc = __qede_probe(edev->pdev, edev->dp_module, edev->dp_level,
-			  IS_VF(edev), QEDE_PROBE_RECOVERY);
-	if (rc) {
-		edev->cdev = NULL;
-		goto err;
-	}
-
-	if (curr_state == QEDE_STATE_OPEN) {
-		rc = qede_load(edev, QEDE_LOAD_RECOVERY, true);
-		if (rc)
-			goto err;
-
-		qede_config_rx_mode(edev->ndev);
-		udp_tunnel_get_rx_info(edev->ndev);
-	}
-
-	edev->state = curr_state;
-
-	DP_NOTICE(edev, "Recovery handling is done\n");
-
-	return;
-
-err:
-	qede_recovery_failed(edev);
-}
-
 static bool qede_is_txq_full(struct qede_dev *edev, struct qede_tx_queue *txq)
 {
 	struct netdev_queue *netdev_txq;

drivers/net/ethernet/qlogic/qede/qede_rdma.c

@@ -50,8 +50,6 @@ static void _qede_rdma_dev_add(struct qede_dev *edev)
 	if (!qedr_drv)
 		return;
 
-	/* Leftovers from previous error recovery */
-	edev->rdma_info.exp_recovery = false;
 	edev->rdma_info.qedr_dev = qedr_drv->add(edev->cdev, edev->pdev,
 						 edev->ndev);
 }
@@ -89,17 +87,11 @@ static void qede_rdma_destroy_wq(struct qede_dev *edev)
 	destroy_workqueue(edev->rdma_info.rdma_wq);
 }
 
-int qede_rdma_dev_add(struct qede_dev *edev, enum qede_rdma_probe_mode mode)
+int qede_rdma_dev_add(struct qede_dev *edev)
 {
-	int rc;
-
-	if (!qede_rdma_supported(edev))
-		return 0;
-
-	/* Cannot start qedr while recovering since it wasn't fully stopped */
-	if (mode == QEDE_RDMA_PROBE_RECOVERY)
-		return 0;
+	int rc = 0;
 
+	if (qede_rdma_supported(edev)) {
 		rc = qede_rdma_create_wq(edev);
 		if (rc)
 			return rc;
@@ -109,6 +101,7 @@ int qede_rdma_dev_add(struct qede_dev *edev, enum qede_rdma_probe_mode mode)
 		list_add_tail(&edev->rdma_info.entry, &qedr_dev_list);
 		_qede_rdma_dev_add(edev);
 		mutex_unlock(&qedr_dev_list_lock);
+	}
 
 	return rc;
 }
@@ -117,31 +110,19 @@ static void _qede_rdma_dev_remove(struct qede_dev *edev)
 {
 	if (qedr_drv && qedr_drv->remove && edev->rdma_info.qedr_dev)
 		qedr_drv->remove(edev->rdma_info.qedr_dev);
+	edev->rdma_info.qedr_dev = NULL;
 }
 
-void qede_rdma_dev_remove(struct qede_dev *edev,
-			  enum qede_rdma_remove_mode mode)
+void qede_rdma_dev_remove(struct qede_dev *edev)
 {
 	if (!qede_rdma_supported(edev))
 		return;
 
-	/* Cannot remove qedr while recovering since it wasn't fully stopped */
-	if (mode == QEDE_RDMA_REMOVE_NORMAL) {
 	qede_rdma_destroy_wq(edev);
 	mutex_lock(&qedr_dev_list_lock);
-		if (!edev->rdma_info.exp_recovery)
 	_qede_rdma_dev_remove(edev);
-		edev->rdma_info.qedr_dev = NULL;
 	list_del(&edev->rdma_info.entry);
 	mutex_unlock(&qedr_dev_list_lock);
-	} else {
-		if (!edev->rdma_info.exp_recovery) {
-			mutex_lock(&qedr_dev_list_lock);
-			_qede_rdma_dev_remove(edev);
-			mutex_unlock(&qedr_dev_list_lock);
-		}
-		edev->rdma_info.exp_recovery = true;
-	}
 }
 
 static void _qede_rdma_dev_open(struct qede_dev *edev)
@@ -223,8 +204,7 @@ void qede_rdma_unregister_driver(struct qedr_driver *drv)
 
 	mutex_lock(&qedr_dev_list_lock);
 	list_for_each_entry(edev, &qedr_dev_list, rdma_info.entry) {
-		/* If device has experienced recovery it was already removed */
-		if (edev->rdma_info.qedr_dev && !edev->rdma_info.exp_recovery)
+		if (edev->rdma_info.qedr_dev)
 			_qede_rdma_dev_remove(edev);
 	}
 	qedr_drv = NULL;
@@ -304,10 +284,6 @@ static void qede_rdma_add_event(struct qede_dev *edev,
 {
 	struct qede_rdma_event_work *event_node;
 
-	/* If a recovery was experienced avoid adding the event */
-	if (edev->rdma_info.exp_recovery)
-		return;
-
 	if (!edev->rdma_info.qedr_dev)
 		return;
 

include/linux/qed/qed_if.h

@@ -764,7 +764,6 @@ struct qed_probe_params {
 	u32 dp_module;
 	u8 dp_level;
 	bool is_vf;
-	bool recov_in_prog;
 };
 
 #define QED_DRV_VER_STR_SIZE 12
@@ -811,7 +810,6 @@ struct qed_common_cb_ops {
 	void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc);
 	void	(*link_update)(void			*dev,
 			       struct qed_link_output	*link);
-	void (*schedule_recovery_handler)(void *dev);
 	void	(*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type);
 	void (*get_generic_tlv_data)(void *dev, struct qed_generic_tlvs *data);
 	void (*get_protocol_tlv_data)(void *dev, void *data);
@@ -1059,24 +1057,6 @@ struct qed_common_ops {
 	int (*db_recovery_del)(struct qed_dev *cdev,
 			       void __iomem *db_addr, void *db_data);
 
-/**
- * @brief recovery_process - Trigger a recovery process
- *
- * @param cdev
- *
- * @return 0 on success, error otherwise.
- */
-	int (*recovery_process)(struct qed_dev *cdev);
-
-/**
- * @brief recovery_prolog - Execute the prolog operations of a recovery process
- *
- * @param cdev
- *
- * @return 0 on success, error otherwise.
- */
-	int (*recovery_prolog)(struct qed_dev *cdev);
-
 /**
  * @brief update_drv_state - API to inform the change in the driver state.
  *

include/linux/qed/qede_rdma.h

@@ -55,16 +55,6 @@ struct qede_rdma_event_work {
 	enum qede_rdma_event event;
 };
 
-enum qede_rdma_probe_mode {
-	QEDE_RDMA_PROBE_NORMAL,
-	QEDE_RDMA_PROBE_RECOVERY,
-};
-
-enum qede_rdma_remove_mode {
-	QEDE_RDMA_REMOVE_NORMAL,
-	QEDE_RDMA_REMOVE_RECOVERY,
-};
-
 struct qedr_driver {
 	unsigned char name[32];
 
@@ -84,24 +74,21 @@ void qede_rdma_unregister_driver(struct qedr_driver *drv);
 bool qede_rdma_supported(struct qede_dev *dev);
 
 #if IS_ENABLED(CONFIG_QED_RDMA)
-int qede_rdma_dev_add(struct qede_dev *dev, enum qede_rdma_probe_mode mode);
+int qede_rdma_dev_add(struct qede_dev *dev);
 void qede_rdma_dev_event_open(struct qede_dev *dev);
 void qede_rdma_dev_event_close(struct qede_dev *dev);
-void qede_rdma_dev_remove(struct qede_dev *dev,
-			  enum qede_rdma_remove_mode mode);
+void qede_rdma_dev_remove(struct qede_dev *dev);
 void qede_rdma_event_changeaddr(struct qede_dev *edr);
 
 #else
-static inline int qede_rdma_dev_add(struct qede_dev *dev,
-				    enum qede_rdma_probe_mode mode)
+static inline int qede_rdma_dev_add(struct qede_dev *dev)
 {
 	return 0;
 }
 
 static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {}
 static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {}
-static inline void qede_rdma_dev_remove(struct qede_dev *dev,
-					enum qede_rdma_remove_mode mode) {}
+static inline void qede_rdma_dev_remove(struct qede_dev *dev) {}
 static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {}
 #endif
 #endif