Merge branch 'qed-load-unload-mfw'

Yuval Mintz says:

====================
qed: load/unload mfw series

This series correct the unload flow and greatly enhances its
initialization flow in regard to interactions between driver
and management firmware.

Patch #1 makes sure unloading is done under management-firmware's
'criticial section' protection.

Patches #2 - #4 move driver into using a newer scheme for loading
in regard to the MFW; This newer scheme would help cleaning the device
in case a previous instance has dirtied it [preboot, PDA, etc.].

Patches #5 - #6 let driver inform management-firmware on number of
resources which are dependent on the non-management firmware used.
Patch #7 then uses a new resource [BDQ] instead of some set value.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

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

@@ -51,7 +51,19 @@
 #include "qed_hsi.h"
 
 extern const struct qed_common_ops qed_common_ops_pass;
-#define DRV_MODULE_VERSION "8.10.10.21"
+
+#define QED_MAJOR_VERSION               8
+#define QED_MINOR_VERSION               10
+#define QED_REVISION_VERSION            10
+#define QED_ENGINEERING_VERSION 21
+
+#define QED_VERSION						 \
+	((QED_MAJOR_VERSION << 24) | (QED_MINOR_VERSION << 16) | \
+	 (QED_REVISION_VERSION << 8) | QED_ENGINEERING_VERSION)
+
+#define STORM_FW_VERSION				       \
+	((FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) | \
+	 (FW_REVISION_VERSION << 8) | FW_ENGINEERING_VERSION)
 
 #define MAX_HWFNS_PER_DEVICE    (4)
 #define NAME_SIZE 16
@@ -59,8 +71,6 @@ extern const struct qed_common_ops qed_common_ops_pass;
 
 #define QED_WFQ_UNIT	100
 
-#define ISCSI_BDQ_ID(_port_id) (_port_id)
-#define FCOE_BDQ_ID(_port_id) ((_port_id) + 2)
 #define QED_WID_SIZE            (1024)
 #define QED_PF_DEMS_SIZE        (4)
 
@@ -76,6 +86,15 @@ union qed_mcp_protocol_stats;
 enum qed_mcp_protocol_type;
 
 /* helpers */
+#define QED_MFW_GET_FIELD(name, field) \
+	(((name) & (field ## _MASK)) >> (field ## _SHIFT))
+
+#define QED_MFW_SET_FIELD(name, field, value)				       \
+	do {								       \
+		(name)	&= ~((field ## _MASK) << (field ## _SHIFT));	       \
+		(name)	|= (((value) << (field ## _SHIFT)) & (field ## _MASK));\
+	} while (0)
+
 static inline u32 qed_db_addr(u32 cid, u32 DEMS)
 {
 	u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
@@ -198,6 +217,7 @@ enum qed_resources {
 	QED_LL2_QUEUE,
 	QED_CMDQS_CQS,
 	QED_RDMA_STATS_QUEUE,
+	QED_BDQ,
 	QED_MAX_RESC,
 };
 
@@ -355,6 +375,12 @@ struct qed_fw_data {
 	u32			init_ops_size;
 };
 
+#define DRV_MODULE_VERSION		      \
+	__stringify(QED_MAJOR_VERSION) "."    \
+	__stringify(QED_MINOR_VERSION) "."    \
+	__stringify(QED_REVISION_VERSION) "." \
+	__stringify(QED_ENGINEERING_VERSION)
+
 struct qed_simd_fp_handler {
 	void	*token;
 	void	(*func)(void *);
@@ -732,5 +758,6 @@ void qed_get_protocol_stats(struct qed_dev *cdev,
 			    enum qed_mcp_protocol_type type,
 			    union qed_mcp_protocol_stats *stats);
 int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
+void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn);
 
 #endif /* _QED_H */

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

@@ -85,9 +85,6 @@ struct qed_dcbx_app_metadata {
 	enum qed_pci_personality personality;
 };
 
-#define QED_MFW_GET_FIELD(name, field) \
-	(((name) & (field ## _MASK)) >> (field ## _SHIFT))
-
 struct qed_dcbx_info {
 	struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS];
 	struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS];

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

@@ -82,26 +82,63 @@ int qed_resc_alloc(struct qed_dev *cdev);
  */
 void qed_resc_setup(struct qed_dev *cdev);
 
+enum qed_override_force_load {
+	QED_OVERRIDE_FORCE_LOAD_NONE,
+	QED_OVERRIDE_FORCE_LOAD_ALWAYS,
+	QED_OVERRIDE_FORCE_LOAD_NEVER,
+};
+
+struct qed_drv_load_params {
+	/* Indicates whether the driver is running over a crash kernel.
+	 * As part of the load request, this will be used for providing the
+	 * driver role to the MFW.
+	 * In case of a crash kernel over PDA - this should be set to false.
+	 */
+	bool is_crash_kernel;
+
+	/* The timeout value that the MFW should use when locking the engine for
+	 * the driver load process.
+	 * A value of '0' means the default value, and '255' means no timeout.
+	 */
+	u8 mfw_timeout_val;
+#define QED_LOAD_REQ_LOCK_TO_DEFAULT    0
+#define QED_LOAD_REQ_LOCK_TO_NONE       255
+
+	/* Avoid engine reset when first PF loads on it */
+	bool avoid_eng_reset;
+
+	/* Allow overriding the default force load behavior */
+	enum qed_override_force_load override_force_load;
+};
+
+struct qed_hw_init_params {
+	/* Tunneling parameters */
+	struct qed_tunn_start_params *p_tunn;
+
+	bool b_hw_start;
+
+	/* Interrupt mode [msix, inta, etc.] to use */
+	enum qed_int_mode int_mode;
+
+	/* NPAR tx switching to be used for vports for tx-switching */
+	bool allow_npar_tx_switch;
+
+	/* Binary fw data pointer in binary fw file */
+	const u8 *bin_fw_data;
+
+	/* Driver load parameters */
+	struct qed_drv_load_params *p_drv_load_params;
+};
+
 /**
  * @brief qed_hw_init -
  *
  * @param cdev
- * @param p_tunn
- * @param b_hw_start
- * @param int_mode - interrupt mode [msix, inta, etc.] to use.
- * @param allow_npar_tx_switch - npar tx switching to be used
- *	  for vports configured for tx-switching.
- * @param bin_fw_data - binary fw data pointer in binary fw file.
- *			Pass NULL if not using binary fw file.
+ * @param p_params
  *
  * @return int
  */
-int qed_hw_init(struct qed_dev *cdev,
-		struct qed_tunn_start_params *p_tunn,
-		bool b_hw_start,
-		enum qed_int_mode int_mode,
-		bool allow_npar_tx_switch,
-		const u8 *bin_fw_data);
+int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params);
 
 /**
  * @brief qed_hw_timers_stop_all - stop the timers HW block
@@ -140,14 +177,6 @@ void qed_hw_stop_fastpath(struct qed_dev *cdev);
  */
 void qed_hw_start_fastpath(struct qed_hwfn *p_hwfn);
 
-/**
- * @brief qed_hw_reset -
- *
- * @param cdev
- *
- * @return int
- */
-int qed_hw_reset(struct qed_dev *cdev);
 
 /**
  * @brief qed_hw_prepare -
@@ -441,4 +470,6 @@ int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
  */
 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
 			 u16 coalesce, u8 qid, u16 sb_id);
+
+const char *qed_hw_get_resc_name(enum qed_resources res_id);
 #endif

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

@@ -191,7 +191,7 @@ qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
 	p_data->q_params.cq_sb_pi = fcoe_pf_params->gl_rq_pi;
 	p_data->q_params.cmdq_sb_pi = fcoe_pf_params->gl_cmd_pi;
 
-	p_data->q_params.bdq_resource_id = FCOE_BDQ_ID(p_hwfn->port_id);
+	p_data->q_params.bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ);
 
 	DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_RQ],
 		       fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_RQ]);
@@ -512,19 +512,31 @@ static void __iomem *qed_fcoe_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid)
 static void __iomem *qed_fcoe_get_primary_bdq_prod(struct qed_hwfn *p_hwfn,
 						   u8 bdq_id)
 {
-	u8 bdq_function_id = FCOE_BDQ_ID(p_hwfn->port_id);
-
-	return (u8 __iomem *)p_hwfn->regview + GTT_BAR0_MAP_REG_MSDM_RAM +
-	       MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(bdq_function_id, bdq_id);
+	if (RESC_NUM(p_hwfn, QED_BDQ)) {
+		return (u8 __iomem *)p_hwfn->regview +
+		       GTT_BAR0_MAP_REG_MSDM_RAM +
+		       MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
+								  QED_BDQ),
+						       bdq_id);
+	} else {
+		DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
+		return NULL;
+	}
 }
 
 static void __iomem *qed_fcoe_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn,
 						     u8 bdq_id)
 {
-	u8 bdq_function_id = FCOE_BDQ_ID(p_hwfn->port_id);
-
-	return (u8 __iomem *)p_hwfn->regview + GTT_BAR0_MAP_REG_TSDM_RAM +
-	       TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(bdq_function_id, bdq_id);
+	if (RESC_NUM(p_hwfn, QED_BDQ)) {
+		return (u8 __iomem *)p_hwfn->regview +
+		       GTT_BAR0_MAP_REG_TSDM_RAM +
+		       TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
+								  QED_BDQ),
+						       bdq_id);
+	} else {
+		DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
+		return NULL;
+	}
 }
 
 struct qed_fcoe_info *qed_fcoe_alloc(struct qed_hwfn *p_hwfn)

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

@@ -9887,9 +9887,11 @@ struct public_func {
 #define DRV_ID_PDA_COMP_VER_MASK	0x0000ffff
 #define DRV_ID_PDA_COMP_VER_SHIFT	0
 
+#define LOAD_REQ_HSI_VERSION		2
 #define DRV_ID_MCP_HSI_VER_MASK		0x00ff0000
 #define DRV_ID_MCP_HSI_VER_SHIFT	16
-#define DRV_ID_MCP_HSI_VER_CURRENT	(1 << DRV_ID_MCP_HSI_VER_SHIFT)
+#define DRV_ID_MCP_HSI_VER_CURRENT	(LOAD_REQ_HSI_VERSION << \
+					 DRV_ID_MCP_HSI_VER_SHIFT)
 
 #define DRV_ID_DRV_TYPE_MASK		0x7f000000
 #define DRV_ID_DRV_TYPE_SHIFT		24
@@ -9984,6 +9986,7 @@ enum resource_id_enum {
 	RESOURCE_NUM_RSS_ENGINES_E = 14,
 	RESOURCE_LL2_QUEUE_E = 15,
 	RESOURCE_RDMA_STATS_QUEUE_E = 16,
+	RESOURCE_BDQ_E = 17,
 	RESOURCE_MAX_NUM,
 	RESOURCE_NUM_INVALID = 0xFFFFFFFF
 };
@@ -10001,6 +10004,46 @@ struct resource_info {
 #define RESOURCE_ELEMENT_STRICT (1 << 0)
 };
 
+#define DRV_ROLE_NONE           0
+#define DRV_ROLE_PREBOOT        1
+#define DRV_ROLE_OS             2
+#define DRV_ROLE_KDUMP          3
+
+struct load_req_stc {
+	u32 drv_ver_0;
+	u32 drv_ver_1;
+	u32 fw_ver;
+	u32 misc0;
+#define LOAD_REQ_ROLE_MASK              0x000000FF
+#define LOAD_REQ_ROLE_SHIFT             0
+#define LOAD_REQ_LOCK_TO_MASK           0x0000FF00
+#define LOAD_REQ_LOCK_TO_SHIFT          8
+#define LOAD_REQ_LOCK_TO_DEFAULT        0
+#define LOAD_REQ_LOCK_TO_NONE           255
+#define LOAD_REQ_FORCE_MASK             0x000F0000
+#define LOAD_REQ_FORCE_SHIFT            16
+#define LOAD_REQ_FORCE_NONE             0
+#define LOAD_REQ_FORCE_PF               1
+#define LOAD_REQ_FORCE_ALL              2
+#define LOAD_REQ_FLAGS0_MASK            0x00F00000
+#define LOAD_REQ_FLAGS0_SHIFT           20
+#define LOAD_REQ_FLAGS0_AVOID_RESET     (0x1 << 0)
+};
+
+struct load_rsp_stc {
+	u32 drv_ver_0;
+	u32 drv_ver_1;
+	u32 fw_ver;
+	u32 misc0;
+#define LOAD_RSP_ROLE_MASK              0x000000FF
+#define LOAD_RSP_ROLE_SHIFT             0
+#define LOAD_RSP_HSI_MASK               0x0000FF00
+#define LOAD_RSP_HSI_SHIFT              8
+#define LOAD_RSP_FLAGS0_MASK            0x000F0000
+#define LOAD_RSP_FLAGS0_SHIFT           16
+#define LOAD_RSP_FLAGS0_DRV_EXISTS      (0x1 << 0)
+};
+
 union drv_union_data {
 	u32 ver_str[MCP_DRV_VER_STR_SIZE_DWORD];
 	struct mcp_mac wol_mac;
@@ -10032,6 +10075,7 @@ struct public_drv_mb {
 #define DRV_MSG_CODE_LOAD_REQ			0x10000000
 #define DRV_MSG_CODE_LOAD_DONE			0x11000000
 #define DRV_MSG_CODE_INIT_HW			0x12000000
+#define DRV_MSG_CODE_CANCEL_LOAD_REQ            0x13000000
 #define DRV_MSG_CODE_UNLOAD_REQ			0x20000000
 #define DRV_MSG_CODE_UNLOAD_DONE		0x21000000
 #define DRV_MSG_CODE_INIT_PHY			0x22000000
@@ -10044,12 +10088,14 @@ struct public_drv_mb {
 #define DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE     0x31000000
 #define DRV_MSG_CODE_BW_UPDATE_ACK              0x32000000
 #define DRV_MSG_CODE_OV_UPDATE_MTU              0x33000000
+#define DRV_MSG_GET_RESOURCE_ALLOC_MSG		0x34000000
+#define DRV_MSG_SET_RESOURCE_VALUE_MSG		0x35000000
 #define DRV_MSG_CODE_OV_UPDATE_WOL              0x38000000
 #define DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE     0x39000000
 
 #define DRV_MSG_CODE_BW_UPDATE_ACK		0x32000000
 #define DRV_MSG_CODE_NIG_DRAIN			0x30000000
-#define DRV_MSG_GET_RESOURCE_ALLOC_MSG          0x34000000
+#define DRV_MSG_CODE_INITIATE_PF_FLR            0x02010000
 #define DRV_MSG_CODE_VF_DISABLED_DONE		0xc0000000
 #define DRV_MSG_CODE_CFG_VF_MSIX		0xc0010000
 #define DRV_MSG_CODE_NVM_GET_FILE_ATT		0x00030000
@@ -10075,6 +10121,33 @@ struct public_drv_mb {
 
 #define DRV_MSG_CODE_BIST_TEST			0x001e0000
 #define DRV_MSG_CODE_SET_LED_MODE		0x00200000
+#define DRV_MSG_CODE_RESOURCE_CMD	0x00230000
+
+#define RESOURCE_CMD_REQ_RESC_MASK		0x0000001F
+#define RESOURCE_CMD_REQ_RESC_SHIFT		0
+#define RESOURCE_CMD_REQ_OPCODE_MASK		0x000000E0
+#define RESOURCE_CMD_REQ_OPCODE_SHIFT		5
+#define RESOURCE_OPCODE_REQ			1
+#define RESOURCE_OPCODE_REQ_WO_AGING		2
+#define RESOURCE_OPCODE_REQ_W_AGING		3
+#define RESOURCE_OPCODE_RELEASE			4
+#define RESOURCE_OPCODE_FORCE_RELEASE		5
+#define RESOURCE_CMD_REQ_AGE_MASK		0x0000FF00
+#define RESOURCE_CMD_REQ_AGE_SHIFT		8
+
+#define RESOURCE_CMD_RSP_OWNER_MASK		0x000000FF
+#define RESOURCE_CMD_RSP_OWNER_SHIFT		0
+#define RESOURCE_CMD_RSP_OPCODE_MASK		0x00000700
+#define RESOURCE_CMD_RSP_OPCODE_SHIFT		8
+#define RESOURCE_OPCODE_GNT			1
+#define RESOURCE_OPCODE_BUSY			2
+#define RESOURCE_OPCODE_RELEASED		3
+#define RESOURCE_OPCODE_RELEASED_PREVIOUS	4
+#define RESOURCE_OPCODE_WRONG_OWNER		5
+#define RESOURCE_OPCODE_UNKNOWN_CMD		255
+
+#define RESOURCE_DUMP				0
+
 #define DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL	0x002b0000
 #define DRV_MSG_CODE_OS_WOL			0x002e0000
 
@@ -10163,12 +10236,16 @@ struct public_drv_mb {
 
 	u32 fw_mb_header;
 #define FW_MSG_CODE_MASK			0xffff0000
+#define FW_MSG_CODE_UNSUPPORTED                 0x00000000
 #define FW_MSG_CODE_DRV_LOAD_ENGINE		0x10100000
 #define FW_MSG_CODE_DRV_LOAD_PORT		0x10110000
 #define FW_MSG_CODE_DRV_LOAD_FUNCTION		0x10120000
 #define FW_MSG_CODE_DRV_LOAD_REFUSED_PDA	0x10200000
-#define FW_MSG_CODE_DRV_LOAD_REFUSED_HSI	0x10210000
+#define FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1	0x10210000
 #define FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG	0x10220000
+#define FW_MSG_CODE_DRV_LOAD_REFUSED_HSI        0x10230000
+#define FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE 0x10300000
+#define FW_MSG_CODE_DRV_LOAD_REFUSED_REJECT     0x10310000
 #define FW_MSG_CODE_DRV_LOAD_DONE		0x11100000
 #define FW_MSG_CODE_DRV_UNLOAD_ENGINE		0x20110000
 #define FW_MSG_CODE_DRV_UNLOAD_PORT		0x20120000
@@ -10188,6 +10265,10 @@ struct public_drv_mb {
 #define FW_MSG_SEQ_NUMBER_MASK			0x0000ffff
 
 	u32 fw_mb_param;
+#define FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_MASK	0xFFFF0000
+#define FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT	16
+#define FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_MASK	0x0000FFFF
+#define FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT	0
 
 	/* get pf rdma protocol command responce */
 #define FW_MB_PARAM_GET_PF_RDMA_NONE		0x0

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

@@ -216,7 +216,7 @@ qed_sp_iscsi_func_start(struct qed_hwfn *p_hwfn,
 		p_queue->cq_cmdq_sb_num_arr[i] = cpu_to_le16(val);
 	}
 
-	p_queue->bdq_resource_id = ISCSI_BDQ_ID(p_hwfn->port_id);
+	p_queue->bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ);
 
 	DMA_REGPAIR_LE(p_queue->bdq_pbl_base_address[BDQ_ID_RQ],
 		       p_params->bdq_pbl_base_addr[BDQ_ID_RQ]);
@@ -593,21 +593,31 @@ static void __iomem *qed_iscsi_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid)
 static void __iomem *qed_iscsi_get_primary_bdq_prod(struct qed_hwfn *p_hwfn,
 						    u8 bdq_id)
 {
-	u8 bdq_function_id = ISCSI_BDQ_ID(p_hwfn->port_id);
-
-	return (u8 __iomem *)p_hwfn->regview + GTT_BAR0_MAP_REG_MSDM_RAM +
-			     MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(bdq_function_id,
-							     bdq_id);
+	if (RESC_NUM(p_hwfn, QED_BDQ)) {
+		return (u8 __iomem *)p_hwfn->regview +
+		       GTT_BAR0_MAP_REG_MSDM_RAM +
+		       MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
+								  QED_BDQ),
+						       bdq_id);
+	} else {
+		DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
+		return NULL;
+	}
 }
 
 static void __iomem *qed_iscsi_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn,
 						      u8 bdq_id)
 {
-	u8 bdq_function_id = ISCSI_BDQ_ID(p_hwfn->port_id);
-
-	return (u8 __iomem *)p_hwfn->regview + GTT_BAR0_MAP_REG_TSDM_RAM +
-			     TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(bdq_function_id,
-							     bdq_id);
+	if (RESC_NUM(p_hwfn, QED_BDQ)) {
+		return (u8 __iomem *)p_hwfn->regview +
+		       GTT_BAR0_MAP_REG_TSDM_RAM +
+		       TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
+								  QED_BDQ),
+						       bdq_id);
+	} else {
+		DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
+		return NULL;
+	}
 }
 
 static int qed_iscsi_setup_connection(struct qed_hwfn *p_hwfn,

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

@@ -45,6 +45,7 @@
 #include <linux/ethtool.h>
 #include <linux/etherdevice.h>
 #include <linux/vmalloc.h>
+#include <linux/crash_dump.h>
 #include <linux/qed/qed_if.h>
 #include <linux/qed/qed_ll2_if.h>
 
@@ -589,6 +590,19 @@ int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
 	return rc;
 }
 
+void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
+{
+	struct qed_dev *cdev = p_hwfn->cdev;
+	u8 id = p_hwfn->my_id;
+	u32 int_mode;
+
+	int_mode = cdev->int_params.out.int_mode;
+	if (int_mode == QED_INT_MODE_MSIX)
+		synchronize_irq(cdev->int_params.msix_table[id].vector);
+	else
+		synchronize_irq(cdev->pdev->irq);
+}
+
 static void qed_slowpath_irq_free(struct qed_dev *cdev)
 {
 	int i;
@@ -631,19 +645,6 @@ static int qed_nic_stop(struct qed_dev *cdev)
 	return rc;
 }
 
-static int qed_nic_reset(struct qed_dev *cdev)
-{
-	int rc;
-
-	rc = qed_hw_reset(cdev);
-	if (rc)
-		return rc;
-
-	qed_resc_free(cdev);
-
-	return 0;
-}
-
 static int qed_nic_setup(struct qed_dev *cdev)
 {
 	int rc, i;
@@ -901,6 +902,8 @@ static void qed_update_pf_params(struct qed_dev *cdev,
 static int qed_slowpath_start(struct qed_dev *cdev,
 			      struct qed_slowpath_params *params)
 {
+	struct qed_drv_load_params drv_load_params;
+	struct qed_hw_init_params hw_init_params;
 	struct qed_tunn_start_params tunn_info;
 	struct qed_mcp_drv_version drv_version;
 	const u8 *data = NULL;
@@ -966,9 +969,21 @@ static int qed_slowpath_start(struct qed_dev *cdev,
 	tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
 
 	/* Start the slowpath */
-	rc = qed_hw_init(cdev, &tunn_info, true,
-			 cdev->int_params.out.int_mode,
-			 true, data);
+	memset(&hw_init_params, 0, sizeof(hw_init_params));
+	hw_init_params.p_tunn = &tunn_info;
+	hw_init_params.b_hw_start = true;
+	hw_init_params.int_mode = cdev->int_params.out.int_mode;
+	hw_init_params.allow_npar_tx_switch = true;
+	hw_init_params.bin_fw_data = data;
+
+	memset(&drv_load_params, 0, sizeof(drv_load_params));
+	drv_load_params.is_crash_kernel = is_kdump_kernel();
+	drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
+	drv_load_params.avoid_eng_reset = false;
+	drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
+	hw_init_params.p_drv_load_params = &drv_load_params;
+
+	rc = qed_hw_init(cdev, &hw_init_params);
 	if (rc)
 		goto err2;
 
@@ -1043,7 +1058,8 @@ static int qed_slowpath_stop(struct qed_dev *cdev)
 	}
 
 	qed_disable_msix(cdev);
-	qed_nic_reset(cdev);
+
+	qed_resc_free(cdev);
 
 	qed_iov_wq_stop(cdev, true);
 

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

@@ -39,6 +39,7 @@
 #include <linux/spinlock.h>
 #include <linux/qed/qed_fcoe_if.h>
 #include "qed_hsi.h"
+#include "qed_dev_api.h"
 
 struct qed_mcp_link_speed_params {
 	bool    autoneg;
@@ -570,27 +571,55 @@ int qed_mcp_free(struct qed_hwfn *p_hwfn);
 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
 			  struct qed_ptt *p_ptt);
 
+enum qed_drv_role {
+	QED_DRV_ROLE_OS,
+	QED_DRV_ROLE_KDUMP,
+};
+
+struct qed_load_req_params {
+	/* Input params */
+	enum qed_drv_role drv_role;
+	u8 timeout_val;
+	bool avoid_eng_reset;
+	enum qed_override_force_load override_force_load;
+
+	/* Output params */
+	u32 load_code;
+};
+
 /**
- * @brief Sends a LOAD_REQ to the MFW, and in case operation
- *        succeed, returns whether this PF is the first on the
- *        chip/engine/port or function. This function should be
- *        called when driver is ready to accept MFW events after
- *        Storms initializations are done.
+ * @brief Sends a LOAD_REQ to the MFW, and in case the operation succeeds,
+ *        returns whether this PF is the first on the engine/port or function.
  *
- * @param p_hwfn       - hw function
- * @param p_ptt        - PTT required for register access
- * @param p_load_code  - The MCP response param containing one
- *      of the following:
- *      FW_MSG_CODE_DRV_LOAD_ENGINE
- *      FW_MSG_CODE_DRV_LOAD_PORT
- *      FW_MSG_CODE_DRV_LOAD_FUNCTION
- * @return int -
- *      0 - Operation was successul.
- *      -EBUSY - Operation failed
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_params
+ *
+ * @return int - 0 - Operation was successful.
  */
 int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
 		     struct qed_ptt *p_ptt,
-		     u32 *p_load_code);
+		     struct qed_load_req_params *p_params);
+
+/**
+ * @brief Sends a UNLOAD_REQ message to the MFW
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ *
+ * @return int - 0 - Operation was successful.
+ */
+int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
+
+/**
+ * @brief Sends a UNLOAD_DONE message to the MFW
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ *
+ * @return int - 0 - Operation was successful.
+ */
+int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
 
 /**
  * @brief Read the MFW mailbox into Current buffer.
@@ -713,6 +742,41 @@ int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
 int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
 			  struct qed_ptt *p_ptt, u32 mask_parities);
 
+/**
+ * @brief - Sets the MFW's max value for the given resource
+ *
+ *  @param p_hwfn
+ *  @param p_ptt
+ *  @param res_id
+ *  @param resc_max_val
+ *  @param p_mcp_resp
+ *
+ * @return int - 0 - operation was successful.
+ */
+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);
+
+/**
+ * @brief - Gets the MFW allocation info for the given resource
+ *
+ *  @param p_hwfn
+ *  @param p_ptt
+ *  @param res_id
+ *  @param p_mcp_resp
+ *  @param p_resc_num
+ *  @param p_resc_start
+ *
+ * @return int - 0 - operation was successful.
+ */
+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);
+
 /**
  * @brief Send eswitch mode to MFW
  *
@@ -726,19 +790,86 @@ int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
 			      struct qed_ptt *p_ptt,
 			      enum qed_ov_eswitch eswitch);
 
+#define QED_MCP_RESC_LOCK_MIN_VAL       RESOURCE_DUMP
+#define QED_MCP_RESC_LOCK_MAX_VAL       31
+
+enum qed_resc_lock {
+	QED_RESC_LOCK_DBG_DUMP = QED_MCP_RESC_LOCK_MIN_VAL,
+	QED_RESC_LOCK_RESC_ALLOC = QED_MCP_RESC_LOCK_MAX_VAL
+};
+
 /**
- * @brief - Gets the MFW allocation info for the given resource
+ * @brief - Initiates PF FLR
  *
  *  @param p_hwfn
  *  @param p_ptt
- *  @param p_resc_info - descriptor of requested resource
- *  @param p_mcp_resp
- *  @param p_mcp_param
  *
  * @return int - 0 - operation was successful.
  */
-int qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
-			  struct qed_ptt *p_ptt,
-			  struct resource_info *p_resc_info,
-			  u32 *p_mcp_resp, u32 *p_mcp_param);
+int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
+struct qed_resc_lock_params {
+	/* Resource number [valid values are 0..31] */
+	u8 resource;
+
+	/* Lock timeout value in seconds [default, none or 1..254] */
+	u8 timeout;
+#define QED_MCP_RESC_LOCK_TO_DEFAULT    0
+#define QED_MCP_RESC_LOCK_TO_NONE       255
+
+	/* Number of times to retry locking */
+	u8 retry_num;
+
+	/* The interval in usec between retries */
+	u16 retry_interval;
+
+	/* Use sleep or delay between retries */
+	bool sleep_b4_retry;
+
+	/* Will be set as true if the resource is free and granted */
+	bool b_granted;
+
+	/* Will be filled with the resource owner.
+	 * [0..15 = PF0-15, 16 = MFW]
+	 */
+	u8 owner;
+};
+
+/**
+ * @brief Acquires MFW generic resource lock
+ *
+ *  @param p_hwfn
+ *  @param p_ptt
+ *  @param p_params
+ *
+ * @return int - 0 - operation was successful.
+ */
+int
+qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
+		  struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params);
+
+struct qed_resc_unlock_params {
+	/* Resource number [valid values are 0..31] */
+	u8 resource;
+
+	/* Allow to release a resource even if belongs to another PF */
+	bool b_force;
+
+	/* Will be set as true if the resource is released */
+	bool b_released;
+};
+
+/**
+ * @brief Releases MFW generic resource lock
+ *
+ *  @param p_hwfn
+ *  @param p_ptt
+ *  @param p_params
+ *
+ * @return int - 0 - operation was successful.
+ */
+int
+qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
+		    struct qed_ptt *p_ptt,
+		    struct qed_resc_unlock_params *p_params);
+
 #endif