Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/qed/common_hsi.h b/include/linux/qed/common_hsi.h
index 0081fa6..03f59a2 100644
--- a/include/linux/qed/common_hsi.h
+++ b/include/linux/qed/common_hsi.h
@@ -110,7 +110,7 @@
 
 #define FW_MAJOR_VERSION	8
 #define FW_MINOR_VERSION        37
-#define FW_REVISION_VERSION     2
+#define FW_REVISION_VERSION     7
 #define FW_ENGINEERING_VERSION	0
 
 /***********************/
@@ -931,12 +931,12 @@
 #define DB_RDMA_DPM_PARAMS_WQE_SIZE_SHIFT		16
 #define DB_RDMA_DPM_PARAMS_RESERVED0_MASK		0x1
 #define DB_RDMA_DPM_PARAMS_RESERVED0_SHIFT		27
-#define DB_RDMA_DPM_PARAMS_COMPLETION_FLG_MASK		0x1
-#define DB_RDMA_DPM_PARAMS_COMPLETION_FLG_SHIFT		28
+#define DB_RDMA_DPM_PARAMS_ACK_REQUEST_MASK		0x1
+#define DB_RDMA_DPM_PARAMS_ACK_REQUEST_SHIFT		28
 #define DB_RDMA_DPM_PARAMS_S_FLG_MASK			0x1
 #define DB_RDMA_DPM_PARAMS_S_FLG_SHIFT			29
-#define DB_RDMA_DPM_PARAMS_RESERVED1_MASK		0x1
-#define DB_RDMA_DPM_PARAMS_RESERVED1_SHIFT		30
+#define DB_RDMA_DPM_PARAMS_COMPLETION_FLG_MASK		0x1
+#define DB_RDMA_DPM_PARAMS_COMPLETION_FLG_SHIFT		30
 #define DB_RDMA_DPM_PARAMS_CONN_TYPE_IS_IWARP_MASK	0x1
 #define DB_RDMA_DPM_PARAMS_CONN_TYPE_IS_IWARP_SHIFT	31
 };
diff --git a/include/linux/qed/fcoe_common.h b/include/linux/qed/fcoe_common.h
index 22077c5..98cfc19 100644
--- a/include/linux/qed/fcoe_common.h
+++ b/include/linux/qed/fcoe_common.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* QLogic qed NIC Driver
  * Copyright (c) 2015 QLogic Corporation
- *
- * This software is available under the terms of the GNU General Public License
- * (GPL) Version 2, available from the file COPYING in the main directory of
- * this source tree.
  */
 
 #ifndef __FCOE_COMMON__
diff --git a/include/linux/qed/iscsi_common.h b/include/linux/qed/iscsi_common.h
index b34c573..66aba50 100644
--- a/include/linux/qed/iscsi_common.h
+++ b/include/linux/qed/iscsi_common.h
@@ -896,7 +896,7 @@
 	__le32 exp_cont_len;
 	__le32 total_data_acked;
 	__le32 exp_data_acked;
-	u8 next_tid_valid;
+	u8 byte2;
 	u8 byte3;
 	__le16 word1;
 	__le16 next_tid;
diff --git a/include/linux/qed/qed_chain.h b/include/linux/qed/qed_chain.h
index 59ddf9a..2dd0a9e 100644
--- a/include/linux/qed/qed_chain.h
+++ b/include/linux/qed/qed_chain.h
@@ -663,6 +663,37 @@
 static inline void qed_chain_set_prod(struct qed_chain *p_chain,
 				      u32 prod_idx, void *p_prod_elem)
 {
+	if (p_chain->mode == QED_CHAIN_MODE_PBL) {
+		u32 cur_prod, page_mask, page_cnt, page_diff;
+
+		cur_prod = is_chain_u16(p_chain) ? p_chain->u.chain16.prod_idx :
+			   p_chain->u.chain32.prod_idx;
+
+		/* Assume that number of elements in a page is power of 2 */
+		page_mask = ~p_chain->elem_per_page_mask;
+
+		/* Use "cur_prod - 1" and "prod_idx - 1" since producer index
+		 * reaches the first element of next page before the page index
+		 * is incremented. See qed_chain_produce().
+		 * Index wrap around is not a problem because the difference
+		 * between current and given producer indices is always
+		 * positive and lower than the chain's capacity.
+		 */
+		page_diff = (((cur_prod - 1) & page_mask) -
+			     ((prod_idx - 1) & page_mask)) /
+			    p_chain->elem_per_page;
+
+		page_cnt = qed_chain_get_page_cnt(p_chain);
+		if (is_chain_u16(p_chain))
+			p_chain->pbl.c.u16.prod_page_idx =
+				(p_chain->pbl.c.u16.prod_page_idx -
+				 page_diff + page_cnt) % page_cnt;
+		else
+			p_chain->pbl.c.u32.prod_page_idx =
+				(p_chain->pbl.c.u32.prod_page_idx -
+				 page_diff + page_cnt) % page_cnt;
+	}
+
 	if (is_chain_u16(p_chain))
 		p_chain->u.chain16.prod_idx = (u16) prod_idx;
 	else
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index 8cd3464..b5db1ee 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -38,7 +38,6 @@
 #include <linux/netdevice.h>
 #include <linux/pci.h>
 #include <linux/skbuff.h>
-#include <linux/types.h>
 #include <asm/byteorder.h>
 #include <linux/io.h>
 #include <linux/compiler.h>
@@ -47,6 +46,7 @@
 #include <linux/slab.h>
 #include <linux/qed/common_hsi.h>
 #include <linux/qed/qed_chain.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
 
 enum dcbx_protocol_type {
 	DCBX_PROTOCOL_ISCSI,
@@ -448,11 +448,24 @@
 	bool tx_bytes_set;
 };
 
+enum qed_db_rec_width {
+	DB_REC_WIDTH_32B,
+	DB_REC_WIDTH_64B,
+};
+
+enum qed_db_rec_space {
+	DB_REC_KERNEL,
+	DB_REC_USER,
+};
+
 #define DIRECT_REG_WR(reg_addr, val) writel((u32)val, \
 					    (void __iomem *)(reg_addr))
 
 #define DIRECT_REG_RD(reg_addr) readl((void __iomem *)(reg_addr))
 
+#define DIRECT_REG_WR64(reg_addr, val) writeq((u32)val,	\
+					      (void __iomem *)(reg_addr))
+
 #define QED_COALESCE_MAX 0x1FF
 #define QED_DEFAULT_RX_USECS 12
 #define QED_DEFAULT_TX_USECS 48
@@ -630,6 +643,7 @@
 	u16		mtu;
 
 	bool wol_support;
+	bool smart_an;
 
 	/* MBI version */
 	u32 mbi_version;
@@ -667,14 +681,35 @@
 	QED_LM_Autoneg_BIT = BIT(1),
 	QED_LM_Asym_Pause_BIT = BIT(2),
 	QED_LM_Pause_BIT = BIT(3),
-	QED_LM_1000baseT_Half_BIT = BIT(4),
-	QED_LM_1000baseT_Full_BIT = BIT(5),
+	QED_LM_1000baseT_Full_BIT = BIT(4),
+	QED_LM_10000baseT_Full_BIT = BIT(5),
 	QED_LM_10000baseKR_Full_BIT = BIT(6),
-	QED_LM_25000baseKR_Full_BIT = BIT(7),
-	QED_LM_40000baseLR4_Full_BIT = BIT(8),
-	QED_LM_50000baseKR2_Full_BIT = BIT(9),
-	QED_LM_100000baseKR4_Full_BIT = BIT(10),
-	QED_LM_COUNT = 11
+	QED_LM_20000baseKR2_Full_BIT = BIT(7),
+	QED_LM_25000baseKR_Full_BIT = BIT(8),
+	QED_LM_40000baseLR4_Full_BIT = BIT(9),
+	QED_LM_50000baseKR2_Full_BIT = BIT(10),
+	QED_LM_100000baseKR4_Full_BIT = BIT(11),
+	QED_LM_TP_BIT = BIT(12),
+	QED_LM_Backplane_BIT = BIT(13),
+	QED_LM_1000baseKX_Full_BIT = BIT(14),
+	QED_LM_10000baseKX4_Full_BIT = BIT(15),
+	QED_LM_10000baseR_FEC_BIT = BIT(16),
+	QED_LM_40000baseKR4_Full_BIT = BIT(17),
+	QED_LM_40000baseCR4_Full_BIT = BIT(18),
+	QED_LM_40000baseSR4_Full_BIT = BIT(19),
+	QED_LM_25000baseCR_Full_BIT = BIT(20),
+	QED_LM_25000baseSR_Full_BIT = BIT(21),
+	QED_LM_50000baseCR2_Full_BIT = BIT(22),
+	QED_LM_100000baseSR4_Full_BIT = BIT(23),
+	QED_LM_100000baseCR4_Full_BIT = BIT(24),
+	QED_LM_100000baseLR4_ER4_Full_BIT = BIT(25),
+	QED_LM_50000baseSR2_Full_BIT = BIT(26),
+	QED_LM_1000baseX_Full_BIT = BIT(27),
+	QED_LM_10000baseCR_Full_BIT = BIT(28),
+	QED_LM_10000baseSR_Full_BIT = BIT(29),
+	QED_LM_10000baseLR_Full_BIT = BIT(30),
+	QED_LM_10000baseLRM_Full_BIT = BIT(31),
+	QED_LM_COUNT = 32
 };
 
 struct qed_link_params {
@@ -729,6 +764,7 @@
 	u32 dp_module;
 	u8 dp_level;
 	bool is_vf;
+	bool recov_in_prog;
 };
 
 #define QED_DRV_VER_STR_SIZE 12
@@ -768,6 +804,7 @@
 	QED_NVM_FLASH_CMD_FILE_DATA = 0x2,
 	QED_NVM_FLASH_CMD_FILE_START = 0x3,
 	QED_NVM_FLASH_CMD_NVM_CHANGE = 0x4,
+	QED_NVM_FLASH_CMD_NVM_CFG_ID = 0x5,
 	QED_NVM_FLASH_CMD_NVM_MAX,
 };
 
@@ -775,6 +812,7 @@
 	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);
@@ -870,7 +908,8 @@
 
 	u32		(*sb_release)(struct qed_dev *cdev,
 				      struct qed_sb_info *sb_info,
-				      u16 sb_id);
+				      u16 sb_id,
+				      enum qed_sb_type type);
 
 	void		(*simd_handler_config)(struct qed_dev *cdev,
 					       void *token,
@@ -994,6 +1033,51 @@
  */
 	int (*set_led)(struct qed_dev *cdev,
 		       enum qed_led_mode mode);
+/**
+ * @brief db_recovery_add - add doorbell information to the doorbell
+ * recovery mechanism.
+ *
+ * @param cdev
+ * @param db_addr - doorbell address
+ * @param db_data - address of where db_data is stored
+ * @param db_is_32b - doorbell is 32b pr 64b
+ * @param db_is_user - doorbell recovery addresses are user or kernel space
+ */
+	int (*db_recovery_add)(struct qed_dev *cdev,
+			       void __iomem *db_addr,
+			       void *db_data,
+			       enum qed_db_rec_width db_width,
+			       enum qed_db_rec_space db_space);
+
+/**
+ * @brief db_recovery_del - remove doorbell information from the doorbell
+ * recovery mechanism. db_data serves as key (db_addr is not unique).
+ *
+ * @param cdev
+ * @param db_addr - doorbell address
+ * @param db_data - address where db_data is stored. Serves as key for the
+ *		    entry to delete.
+ */
+	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.
@@ -1041,6 +1125,41 @@
  */
 	int (*read_module_eeprom)(struct qed_dev *cdev,
 				  char *buf, u8 dev_addr, u32 offset, u32 len);
+
+/**
+ * @brief get_affin_hwfn_idx
+ *
+ * @param cdev
+ */
+	u8 (*get_affin_hwfn_idx)(struct qed_dev *cdev);
+
+/**
+ * @brief read_nvm_cfg - Read NVM config attribute value.
+ * @param cdev
+ * @param buf - buffer
+ * @param cmd - NVM CFG command id
+ * @param entity_id - Entity id
+ *
+ */
+	int (*read_nvm_cfg)(struct qed_dev *cdev, u8 **buf, u32 cmd,
+			    u32 entity_id);
+/**
+ * @brief read_nvm_cfg - Read NVM config attribute value.
+ * @param cdev
+ * @param cmd - NVM CFG command id
+ *
+ * @return config id length, 0 on error.
+ */
+	int (*read_nvm_cfg_len)(struct qed_dev *cdev, u32 cmd);
+
+/**
+ * @brief set_grc_config - Configure value for grc config id.
+ * @param cdev
+ * @param cfg_id - grc config id
+ * @param val - grc config value
+ *
+ */
+	int (*set_grc_config)(struct qed_dev *cdev, u32 cfg_id, u32 val);
 };
 
 #define MASK_FIELD(_name, _value) \
@@ -1256,7 +1375,6 @@
 	}
 
 	/* Let SB update */
-	mmiowb();
 	return rc;
 }
 
@@ -1292,7 +1410,6 @@
 	/* Both segments (interrupts & acks) are written to same place address;
 	 * Need to guarantee all commands will be received (in-order) by HW.
 	 */
-	mmiowb();
 	barrier();
 }
 
diff --git a/include/linux/qed/qed_rdma_if.h b/include/linux/qed/qed_rdma_if.h
index df4d13f..74efca1 100644
--- a/include/linux/qed/qed_rdma_if.h
+++ b/include/linux/qed/qed_rdma_if.h
@@ -39,15 +39,6 @@
 #include <linux/qed/qed_ll2_if.h>
 #include <linux/qed/rdma_common.h>
 
-enum qed_roce_ll2_tx_dest {
-	/* Light L2 TX Destination to the Network */
-	QED_ROCE_LL2_TX_DEST_NW,
-
-	/* Light L2 TX Destination to the Loopback */
-	QED_ROCE_LL2_TX_DEST_LB,
-	QED_ROCE_LL2_TX_DEST_MAX
-};
-
 #define QED_RDMA_MAX_CNQ_SIZE               (0xFFFF)
 
 /* rdma interface */
@@ -234,7 +225,7 @@
 
 struct qed_rdma_add_user_out_params {
 	u16 dpi;
-	u64 dpi_addr;
+	void __iomem *dpi_addr;
 	u64 dpi_phys_addr;
 	u32 dpi_size;
 	u16 wid_count;
@@ -581,7 +572,7 @@
 	int n_seg;
 	struct qed_roce_ll2_buffer payload[RDMA_MAX_SGE_PER_SQ_WQE];
 	int roce_mode;
-	enum qed_roce_ll2_tx_dest tx_dest;
+	enum qed_ll2_tx_dest tx_dest;
 };
 
 enum qed_rdma_type {
@@ -679,6 +670,8 @@
 	int (*ll2_set_mac_filter)(struct qed_dev *cdev,
 				  u8 *old_mac_address, u8 *new_mac_address);
 
+	int (*iwarp_set_engine_affin)(struct qed_dev *cdev, bool b_reset);
+
 	int (*iwarp_connect)(void *rdma_cxt,
 			     struct qed_iwarp_connect_in *iparams,
 			     struct qed_iwarp_connect_out *oparams);
diff --git a/include/linux/qed/qede_rdma.h b/include/linux/qed/qede_rdma.h
index 9904617..5a00c7a 100644
--- a/include/linux/qed/qede_rdma.h
+++ b/include/linux/qed/qede_rdma.h
@@ -74,21 +74,23 @@
 bool qede_rdma_supported(struct qede_dev *dev);
 
 #if IS_ENABLED(CONFIG_QED_RDMA)
-int qede_rdma_dev_add(struct qede_dev *dev);
+int qede_rdma_dev_add(struct qede_dev *dev, bool recovery);
 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);
+void qede_rdma_dev_remove(struct qede_dev *dev, bool recovery);
 void qede_rdma_event_changeaddr(struct qede_dev *edr);
 
 #else
-static inline int qede_rdma_dev_add(struct qede_dev *dev)
+static inline int qede_rdma_dev_add(struct qede_dev *dev,
+				    bool recovery)
 {
 	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) {}
+static inline void qede_rdma_dev_remove(struct qede_dev *dev,
+					bool recovery) {}
 static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {}
 #endif
 #endif