Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (28 commits)
  [SCSI] qla4xxx: fix compilation warning
  [SCSI] make error handling more robust in the face of reservations
  [SCSI] tgt: fix warning
  [SCSI] drivers/message/fusion: Adjust confusing if indentation
  [SCSI] Return NEEDS_RETRY for eh commands with status BUSY
  [SCSI] ibmvfc: Driver version 1.0.9
  [SCSI] ibmvfc: Fix terminate_rport_io
  [SCSI] ibmvfc: Fix rport add/delete race resulting in oops
  [SCSI] lpfc 8.3.16: Change LPFC driver version to 8.3.16
  [SCSI] lpfc 8.3.16: FCoE Discovery and Failover Fixes
  [SCSI] lpfc 8.3.16: SLI Additions, updates, and code cleanup
  [SCSI] pm8001: introduce missing kfree
  [SCSI] qla4xxx: Update driver version to 5.02.00-k3
  [SCSI] qla4xxx: Added AER support for ISP82xx
  [SCSI] qla4xxx: Handle outstanding mbx cmds on hung f/w scenarios
  [SCSI] qla4xxx: updated mbx_sys_info struct to sync with FW 4.6.x
  [SCSI] qla4xxx: clear AF_DPC_SCHEDULED flage when exit from do_dpc
  [SCSI] qla4xxx: Stop firmware before doing init firmware.
  [SCSI] qla4xxx: Use the correct request queue.
  [SCSI] qla4xxx: set correct value in sess->recovery_tmo
  ...

drivers/firmware/Kconfig

@@ -122,14 +122,6 @@ config ISCSI_IBFT_FIND
 	  is necessary for iSCSI Boot Firmware Table Attributes module to work
 	  properly.
 
-config ISCSI_BOOT_SYSFS
-	tristate "iSCSI Boot Sysfs Interface"
-	default	n
-	help
-	  This option enables support for exposing iSCSI boot information
-	  via sysfs to userspace. If you wish to export this information,
-	  say Y. Otherwise, say N.
-
 config ISCSI_IBFT
 	tristate "iSCSI Boot Firmware Table Attributes module"
 	select ISCSI_BOOT_SYSFS

drivers/firmware/Makefile

@@ -10,5 +10,4 @@ obj-$(CONFIG_DCDBAS)		+= dcdbas.o
 obj-$(CONFIG_DMIID)		+= dmi-id.o
 obj-$(CONFIG_ISCSI_IBFT_FIND)	+= iscsi_ibft_find.o
 obj-$(CONFIG_ISCSI_IBFT)	+= iscsi_ibft.o
-obj-$(CONFIG_ISCSI_BOOT_SYSFS)	+= iscsi_boot_sysfs.o
 obj-$(CONFIG_FIRMWARE_MEMMAP)	+= memmap.o

drivers/scsi/Kconfig

@@ -370,6 +370,14 @@ config ISCSI_TCP
 
 	 http://open-iscsi.org
 
+config ISCSI_BOOT_SYSFS
+	tristate "iSCSI Boot Sysfs Interface"
+	default	n
+	help
+	  This option enables support for exposing iSCSI boot information
+	  via sysfs to userspace. If you wish to export this information,
+	  say Y. Otherwise, say N.
+
 source "drivers/scsi/cxgb3i/Kconfig"
 source "drivers/scsi/bnx2i/Kconfig"
 source "drivers/scsi/be2iscsi/Kconfig"

drivers/scsi/Makefile

@@ -42,6 +42,7 @@ obj-$(CONFIG_FCOE)		+= fcoe/
 obj-$(CONFIG_FCOE_FNIC)		+= fnic/
 obj-$(CONFIG_ISCSI_TCP) 	+= libiscsi.o	libiscsi_tcp.o iscsi_tcp.o
 obj-$(CONFIG_INFINIBAND_ISER) 	+= libiscsi.o
+obj-$(CONFIG_ISCSI_BOOT_SYSFS)	+= iscsi_boot_sysfs.o
 obj-$(CONFIG_SCSI_A4000T)	+= 53c700.o	a4000t.o
 obj-$(CONFIG_SCSI_ZORRO7XX)	+= 53c700.o	zorro7xx.o
 obj-$(CONFIG_A3000_SCSI)	+= a3000.o	wd33c93.o

drivers/scsi/be2iscsi/Kconfig

@@ -2,6 +2,7 @@ config BE2ISCSI
 	tristate "ServerEngines' 10Gbps iSCSI - BladeEngine 2"
 	depends on PCI && SCSI && NET
 	select SCSI_ISCSI_ATTRS
+	select ISCSI_BOOT_SYSFS
 
 	help
 	This driver implements the iSCSI functionality for ServerEngines'

drivers/scsi/be2iscsi/be_cmds.h

@@ -162,6 +162,13 @@ struct be_mcc_mailbox {
 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES		2
 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG		7
+#define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN		14
+#define OPCODE_COMMON_ISCSI_NTWK_CONFIGURE_STATELESS_IP_ADDR	17
+#define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR		21
+#define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY	22
+#define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
+#define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID		24
+#define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO		25
 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY		65
@@ -237,11 +244,109 @@ struct be_cmd_resp_eq_create {
 	u16 rsvd0;		/* sword */
 } __packed;
 
+struct mgmt_chap_format {
+	u32 flags;
+	u8  intr_chap_name[256];
+	u8  intr_secret[16];
+	u8  target_chap_name[256];
+	u8  target_secret[16];
+	u16 intr_chap_name_length;
+	u16 intr_secret_length;
+	u16 target_chap_name_length;
+	u16 target_secret_length;
+} __packed;
+
+struct mgmt_auth_method_format {
+	u8	auth_method_type;
+	u8	padding[3];
+	struct	mgmt_chap_format chap;
+} __packed;
+
+struct mgmt_conn_login_options {
+	u8 flags;
+	u8 header_digest;
+	u8 data_digest;
+	u8 rsvd0;
+	u32 max_recv_datasegment_len_ini;
+	u32 max_recv_datasegment_len_tgt;
+	u32 tcp_mss;
+	u32 tcp_window_size;
+	struct	mgmt_auth_method_format auth_data;
+} __packed;
+
+struct ip_address_format {
+	u16 size_of_structure;
+	u8 reserved;
+	u8 ip_type;
+	u8 ip_address[16];
+	u32 rsvd0;
+} __packed;
+
+struct	mgmt_conn_info {
+	u32	connection_handle;
+	u32	connection_status;
+	u16	src_port;
+	u16	dest_port;
+	u16	dest_port_redirected;
+	u16	cid;
+	u32	estimated_throughput;
+	struct	ip_address_format	src_ipaddr;
+	struct	ip_address_format	dest_ipaddr;
+	struct	ip_address_format	dest_ipaddr_redirected;
+	struct	mgmt_conn_login_options	negotiated_login_options;
+} __packed;
+
+struct mgmt_session_login_options {
+	u8	flags;
+	u8	error_recovery_level;
+	u16	rsvd0;
+	u32	first_burst_length;
+	u32	max_burst_length;
+	u16	max_connections;
+	u16	max_outstanding_r2t;
+	u16	default_time2wait;
+	u16	default_time2retain;
+} __packed;
+
+struct mgmt_session_info {
+	u32	session_handle;
+	u32	status;
+	u8	isid[6];
+	u16	tsih;
+	u32	session_flags;
+	u16	conn_count;
+	u16	pad;
+	u8	target_name[224];
+	u8	initiator_iscsiname[224];
+	struct	mgmt_session_login_options negotiated_login_options;
+	struct	mgmt_conn_info	conn_list[1];
+} __packed;
+
+struct  be_cmd_req_get_session {
+	struct be_cmd_req_hdr hdr;
+	u32 session_handle;
+} __packed;
+
+struct  be_cmd_resp_get_session {
+	struct be_cmd_resp_hdr hdr;
+	struct mgmt_session_info session_info;
+} __packed;
+
 struct mac_addr {
 	u16 size_of_struct;
 	u8 addr[ETH_ALEN];
 } __packed;
 
+struct be_cmd_req_get_boot_target {
+	struct be_cmd_req_hdr hdr;
+} __packed;
+
+struct be_cmd_resp_get_boot_target {
+	struct be_cmd_resp_hdr hdr;
+	u32  boot_session_count;
+	int  boot_session_handle;
+};
+
 struct be_cmd_req_mac_query {
 	struct be_cmd_req_hdr hdr;
 	u8 type;
@@ -426,6 +531,11 @@ int be_poll_mcc(struct be_ctrl_info *ctrl);
 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 				      struct beiscsi_hba *phba);
 unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba);
+unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba);
+unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
+				  u32 boot_session_handle,
+				  struct be_dma_mem *nonemb_cmd);
+
 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
 /*ISCSI Functuions */
 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
@@ -601,14 +711,6 @@ struct be_eq_delay_params_in {
 	struct eq_delay delay[8];
 } __packed;
 
-struct ip_address_format {
-	u16 size_of_structure;
-	u8 reserved;
-	u8 ip_type;
-	u8 ip_address[16];
-	u32 rsvd0;
-} __packed;
-
 struct tcp_connect_and_offload_in {
 	struct be_cmd_req_hdr hdr;
 	struct ip_address_format ip_address;
@@ -688,18 +790,29 @@ struct be_fw_cfg {
 	u32 function_caps;
 } __packed;
 
-#define CMD_ISCSI_COMMAND_INVALIDATE  1
+struct be_all_if_id {
+	struct be_cmd_req_hdr hdr;
+	u32 if_count;
+	u32 if_hndl_list[1];
+} __packed;
+
 #define ISCSI_OPCODE_SCSI_DATA_OUT		5
-#define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
-#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
 #define OPCODE_COMMON_MODIFY_EQ_DELAY		41
 #define OPCODE_COMMON_ISCSI_CLEANUP		59
 #define	OPCODE_COMMON_TCP_UPLOAD		56
+#define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
+#define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME	6
+#define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME	7
+#define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
+#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
+#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
+#define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET	52
+
 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
+#define CMD_ISCSI_COMMAND_INVALIDATE		1
 #define CMD_ISCSI_CONNECTION_INVALIDATE		0x8001
 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST	0x8002
-#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
 
 #define INI_WR_CMD			1	/* Initiator write command */
 #define INI_TMF_CMD			2	/* Initiator TMF command */

drivers/scsi/be2iscsi/be_iscsi.c

@@ -300,20 +300,41 @@ int beiscsi_get_host_param(struct Scsi_Host *shost,
 			   enum iscsi_host_param param, char *buf)
 {
 	struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
-	struct be_cmd_resp_get_mac_addr *resp;
-	struct be_mcc_wrb *wrb;
-	unsigned int tag, wrb_num;
 	int len = 0;
-	unsigned short status, extd_status;
+	int status;
-	struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
 
 	SE_DEBUG(DBG_LVL_8, "In beiscsi_get_host_param, param= %d\n", param);
 	switch (param) {
 	case ISCSI_HOST_PARAM_HWADDRESS:
+		status = beiscsi_get_macaddr(buf, phba);
+		if (status < 0) {
+			SE_DEBUG(DBG_LVL_1, "beiscsi_get_macaddr Failed\n");
+			return status;
+		}
+		break;
+	default:
+		return iscsi_host_get_param(shost, param, buf);
+	}
+	return len;
+}
+
+int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
+{
+	struct be_cmd_resp_get_mac_addr *resp;
+	struct be_mcc_wrb *wrb;
+	unsigned int tag, wrb_num;
+	unsigned short status, extd_status;
+	struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+	int rc;
+
+	if (phba->read_mac_address)
+		return sysfs_format_mac(buf, phba->mac_address,
+					ETH_ALEN);
+
 	tag = be_cmd_get_mac_addr(phba);
 	if (!tag) {
 		SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed\n");
-			return -EAGAIN;
+		return -EBUSY;
 	} else
 		wait_event_interruptible(phba->ctrl.mcc_wait[tag],
 					 phba->ctrl.mcc_numtag[tag]);
@@ -322,26 +343,23 @@ int beiscsi_get_host_param(struct Scsi_Host *shost,
 	extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
 	status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
 	if (status || extd_status) {
-			SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed"
+		SE_DEBUG(DBG_LVL_1, "Failed to get be_cmd_get_mac_addr"
 				    " status = %d extd_status = %d\n",
 				    status, extd_status);
 		free_mcc_tag(&phba->ctrl, tag);
 		return -EAGAIN;
-		} else {
+	}
 	wrb = queue_get_wrb(mccq, wrb_num);
 	free_mcc_tag(&phba->ctrl, tag);
 	resp = embedded_payload(wrb);
 	memcpy(phba->mac_address, resp->mac_address, ETH_ALEN);
-			len = sysfs_format_mac(buf, phba->mac_address,
+	rc = sysfs_format_mac(buf, phba->mac_address,
 			       ETH_ALEN);
-		}
+	phba->read_mac_address = 1;
-		break;
+	return rc;
-	default:
-		return iscsi_host_get_param(shost, param, buf);
-	}
-	return len;
 }
 
+
 /**
  * beiscsi_conn_get_stats - get the iscsi stats
  * @cls_conn: pointer to iscsi cls conn

drivers/scsi/be2iscsi/be_iscsi.h

@@ -54,6 +54,8 @@ int beiscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
 int beiscsi_get_host_param(struct Scsi_Host *shost,
 			   enum iscsi_host_param param, char *buf);
 
+int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba);
+
 int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
 		      enum iscsi_param param, char *buf, int buflen);
 

drivers/scsi/be2iscsi/be_main.c

@@ -26,6 +26,7 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/semaphore.h>
+#include <linux/iscsi_boot_sysfs.h>
 
 #include <scsi/libiscsi.h>
 #include <scsi/scsi_transport_iscsi.h>
@@ -211,6 +212,218 @@ unlock:
 	return rc;
 }
 
+static ssize_t beiscsi_show_boot_tgt_info(void *data, int type, char *buf)
+{
+	struct beiscsi_hba *phba = data;
+	char *str = buf;
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_TGT_NAME:
+		rc = sprintf(buf, "%.*s\n",
+				(int)strlen(phba->boot_sess.target_name),
+				(char *)&phba->boot_sess.target_name);
+		break;
+	case ISCSI_BOOT_TGT_IP_ADDR:
+		if (phba->boot_sess.conn_list[0].dest_ipaddr.ip_type == 0x1)
+			rc = sprintf(buf, "%pI4\n",
+				(char *)&phba->boot_sess.conn_list[0].
+				dest_ipaddr.ip_address);
+		else
+			rc = sprintf(str, "%pI6\n",
+				(char *)&phba->boot_sess.conn_list[0].
+				dest_ipaddr.ip_address);
+		break;
+	case ISCSI_BOOT_TGT_PORT:
+		rc = sprintf(str, "%d\n", phba->boot_sess.conn_list[0].
+				  dest_port);
+		break;
+
+	case ISCSI_BOOT_TGT_CHAP_NAME:
+		rc = sprintf(str,  "%.*s\n",
+				      phba->boot_sess.conn_list[0].
+				      negotiated_login_options.auth_data.chap.
+				      target_chap_name_length,
+				      (char *)&phba->boot_sess.conn_list[0].
+				      negotiated_login_options.auth_data.chap.
+				      target_chap_name);
+		break;
+	case ISCSI_BOOT_TGT_CHAP_SECRET:
+		rc = sprintf(str,  "%.*s\n",
+				      phba->boot_sess.conn_list[0].
+				      negotiated_login_options.auth_data.chap.
+				      target_secret_length,
+				      (char *)&phba->boot_sess.conn_list[0].
+				      negotiated_login_options.auth_data.chap.
+				      target_secret);
+
+		break;
+	case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+		rc = sprintf(str,  "%.*s\n",
+				      phba->boot_sess.conn_list[0].
+				      negotiated_login_options.auth_data.chap.
+				      intr_chap_name_length,
+				      (char *)&phba->boot_sess.conn_list[0].
+				      negotiated_login_options.auth_data.chap.
+				      intr_chap_name);
+
+		break;
+	case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+			rc = sprintf(str,  "%.*s\n",
+				      phba->boot_sess.conn_list[0].
+				      negotiated_login_options.auth_data.chap.
+				      intr_secret_length,
+				      (char *)&phba->boot_sess.conn_list[0].
+				      negotiated_login_options.auth_data.chap.
+				      intr_secret);
+		break;
+	case ISCSI_BOOT_TGT_FLAGS:
+			rc = sprintf(str, "2\n");
+		break;
+	case ISCSI_BOOT_TGT_NIC_ASSOC:
+			rc = sprintf(str, "0\n");
+		break;
+	default:
+		rc = -ENOSYS;
+		break;
+	}
+	return rc;
+}
+
+static ssize_t beiscsi_show_boot_ini_info(void *data, int type, char *buf)
+{
+	struct beiscsi_hba *phba = data;
+	char *str = buf;
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_INI_INITIATOR_NAME:
+		rc = sprintf(str, "%s\n", phba->boot_sess.initiator_iscsiname);
+		break;
+	default:
+		rc = -ENOSYS;
+		break;
+	}
+	return rc;
+}
+
+static ssize_t beiscsi_show_boot_eth_info(void *data, int type, char *buf)
+{
+	struct beiscsi_hba *phba = data;
+	char *str = buf;
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_ETH_FLAGS:
+			rc = sprintf(str, "2\n");
+		break;
+	case ISCSI_BOOT_ETH_INDEX:
+			rc = sprintf(str, "0\n");
+		break;
+	case ISCSI_BOOT_ETH_MAC:
+		rc  = beiscsi_get_macaddr(buf, phba);
+		if (rc < 0) {
+			SE_DEBUG(DBG_LVL_1, "beiscsi_get_macaddr Failed\n");
+			return rc;
+		}
+	break;
+	default:
+		rc = -ENOSYS;
+		break;
+	}
+	return rc;
+}
+
+
+static mode_t beiscsi_tgt_get_attr_visibility(void *data, int type)
+{
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_TGT_NAME:
+	case ISCSI_BOOT_TGT_IP_ADDR:
+	case ISCSI_BOOT_TGT_PORT:
+	case ISCSI_BOOT_TGT_CHAP_NAME:
+	case ISCSI_BOOT_TGT_CHAP_SECRET:
+	case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+	case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+	case ISCSI_BOOT_TGT_NIC_ASSOC:
+	case ISCSI_BOOT_TGT_FLAGS:
+		rc = S_IRUGO;
+		break;
+	default:
+		rc = 0;
+		break;
+	}
+	return rc;
+}
+
+static mode_t beiscsi_ini_get_attr_visibility(void *data, int type)
+{
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_INI_INITIATOR_NAME:
+		rc = S_IRUGO;
+		break;
+	default:
+		rc = 0;
+		break;
+	}
+	return rc;
+}
+
+
+static mode_t beiscsi_eth_get_attr_visibility(void *data, int type)
+{
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_ETH_FLAGS:
+	case ISCSI_BOOT_ETH_MAC:
+	case ISCSI_BOOT_ETH_INDEX:
+		rc = S_IRUGO;
+		break;
+	default:
+		rc = 0;
+		break;
+	}
+	return rc;
+}
+
+static int beiscsi_setup_boot_info(struct beiscsi_hba *phba)
+{
+	struct iscsi_boot_kobj *boot_kobj;
+
+	phba->boot_kset = iscsi_boot_create_host_kset(phba->shost->host_no);
+	if (!phba->boot_kset)
+		return -ENOMEM;
+
+	/* get boot info using mgmt cmd */
+	boot_kobj = iscsi_boot_create_target(phba->boot_kset, 0, phba,
+					     beiscsi_show_boot_tgt_info,
+					     beiscsi_tgt_get_attr_visibility);
+	if (!boot_kobj)
+		goto free_kset;
+
+	boot_kobj = iscsi_boot_create_initiator(phba->boot_kset, 0, phba,
+					     beiscsi_show_boot_ini_info,
+					     beiscsi_ini_get_attr_visibility);
+	if (!boot_kobj)
+		goto free_kset;
+
+	boot_kobj = iscsi_boot_create_ethernet(phba->boot_kset, 0, phba,
+					     beiscsi_show_boot_eth_info,
+					     beiscsi_eth_get_attr_visibility);
+	if (!boot_kobj)
+		goto free_kset;
+	return 0;
+
+free_kset:
+	iscsi_boot_destroy_kset(phba->boot_kset);
+	return -ENOMEM;
+}
+
 /*------------------- PCI Driver operations and data ----------------- */
 static DEFINE_PCI_DEVICE_TABLE(beiscsi_pci_id_table) = {
 	{ PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
@@ -268,6 +481,15 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev)
 
 	if (iscsi_host_add(shost, &phba->pcidev->dev))
 		goto free_devices;
+
+	if (beiscsi_setup_boot_info(phba))
+		/*
+		 * log error but continue, because we may not be using
+		 * iscsi boot.
+		 */
+		shost_printk(KERN_ERR, phba->shost, "Could not set up "
+		"iSCSI boot info.");
+
 	return phba;
 
 free_devices:
@@ -3279,6 +3501,89 @@ static void hwi_disable_intr(struct beiscsi_hba *phba)
 			     "In hwi_disable_intr, Already Disabled\n");
 }
 
+static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
+{
+	struct be_cmd_resp_get_boot_target *boot_resp;
+	struct be_cmd_resp_get_session *session_resp;
+	struct be_mcc_wrb *wrb;
+	struct be_dma_mem nonemb_cmd;
+	unsigned int tag, wrb_num;
+	unsigned short status, extd_status;
+	struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+
+	tag = beiscsi_get_boot_target(phba);
+	if (!tag) {
+		SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed\n");
+		return -EAGAIN;
+	} else
+		wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+					 phba->ctrl.mcc_numtag[tag]);
+
+	wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+	extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+	status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+	if (status || extd_status) {
+		SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed"
+				    " status = %d extd_status = %d\n",
+				    status, extd_status);
+		free_mcc_tag(&phba->ctrl, tag);
+		return -EBUSY;
+	}
+	wrb = queue_get_wrb(mccq, wrb_num);
+	free_mcc_tag(&phba->ctrl, tag);
+	boot_resp = embedded_payload(wrb);
+
+	if (boot_resp->boot_session_handle < 0) {
+		printk(KERN_ERR "No Boot Session for this pci_func,"
+			"session Hndl = %d\n", boot_resp->boot_session_handle);
+		return -ENXIO;
+	}
+
+	nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
+				sizeof(*session_resp),
+				&nonemb_cmd.dma);
+	if (nonemb_cmd.va == NULL) {
+		SE_DEBUG(DBG_LVL_1,
+			 "Failed to allocate memory for"
+			 "beiscsi_get_session_info\n");
+		return -ENOMEM;
+	}
+
+	memset(nonemb_cmd.va, 0, sizeof(*session_resp));
+	tag = beiscsi_get_session_info(phba,
+		boot_resp->boot_session_handle, &nonemb_cmd);
+	if (!tag) {
+		SE_DEBUG(DBG_LVL_1, "beiscsi_get_session_info"
+			" Failed\n");
+		goto boot_freemem;
+	} else
+		wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+					 phba->ctrl.mcc_numtag[tag]);
+
+	wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+	extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+	status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+	if (status || extd_status) {
+		SE_DEBUG(DBG_LVL_1, "beiscsi_get_session_info Failed"
+				    " status = %d extd_status = %d\n",
+				    status, extd_status);
+		free_mcc_tag(&phba->ctrl, tag);
+		goto boot_freemem;
+	}
+	wrb = queue_get_wrb(mccq, wrb_num);
+	free_mcc_tag(&phba->ctrl, tag);
+	session_resp = nonemb_cmd.va ;
+	memcpy(&phba->boot_sess, &session_resp->session_info,
+	       sizeof(struct mgmt_session_info));
+	pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
+		    nonemb_cmd.va, nonemb_cmd.dma);
+	return 0;
+boot_freemem:
+	pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
+		    nonemb_cmd.va, nonemb_cmd.dma);
+	return -ENOMEM;
+}
+
 static int beiscsi_init_port(struct beiscsi_hba *phba)
 {
 	int ret;
@@ -3841,6 +4146,7 @@ static void beiscsi_remove(struct pci_dev *pcidev)
 	iscsi_host_remove(phba->shost);
 	pci_dev_put(phba->pcidev);
 	iscsi_host_free(phba->shost);
+	iscsi_boot_destroy_kset(phba->boot_kset);
 }
 
 static void beiscsi_msix_enable(struct beiscsi_hba *phba)
@@ -3996,6 +4302,11 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
 		goto free_blkenbld;
 	}
 	hwi_enable_intr(phba);
+	ret = beiscsi_get_boot_info(phba);
+	if (ret < 0) {
+		shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-"
+			     "No Boot Devices !!!!!\n");
+	}
 	SE_DEBUG(DBG_LVL_8, "\n\n\n SUCCESS - DRIVER LOADED\n\n\n");
 	return 0;
 

drivers/scsi/be2iscsi/be_main.h

@@ -35,7 +35,7 @@
 
 #include "be.h"
 #define DRV_NAME		"be2iscsi"
-#define BUILD_STR		"2.0.527.0"
+#define BUILD_STR		"2.0.549.0"
 #define BE_NAME			"ServerEngines BladeEngine2" \
 				"Linux iSCSI Driver version" BUILD_STR
 #define DRV_DESC		BE_NAME " " "Driver"
@@ -63,7 +63,7 @@
 #define BEISCSI_SGLIST_ELEMENTS	30
 
 #define BEISCSI_CMD_PER_LUN	128	/* scsi_host->cmd_per_lun */
-#define BEISCSI_MAX_SECTORS	256	/* scsi_host->max_sectors */
+#define BEISCSI_MAX_SECTORS	2048	/* scsi_host->max_sectors */
 
 #define BEISCSI_MAX_CMD_LEN	16	/* scsi_host->max_cmd_len */
 #define BEISCSI_NUM_MAX_LUN	256	/* scsi_host->max_lun */
@@ -312,6 +312,7 @@ struct beiscsi_hba {
 	struct list_head hba_queue;
 	unsigned short *cid_array;
 	struct iscsi_endpoint **ep_array;
+	struct iscsi_boot_kset *boot_kset;
 	struct Scsi_Host *shost;
 	struct {
 		/**
@@ -342,6 +343,8 @@ struct beiscsi_hba {
 	struct work_struct work_cqs;	/* The work being queued */
 	struct be_ctrl_info ctrl;
 	unsigned int generation;
+	unsigned int read_mac_address;
+	struct mgmt_session_info boot_sess;
 	struct invalidate_command_table inv_tbl[128];
 
 };

drivers/scsi/be2iscsi/be_mgmt.c

@@ -20,6 +20,77 @@
 
 #include "be_mgmt.h"
 #include "be_iscsi.h"
+#include <scsi/scsi_transport_iscsi.h>
+
+unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
+{
+	struct be_ctrl_info *ctrl = &phba->ctrl;
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_req_get_mac_addr *req;
+	unsigned int tag = 0;
+
+	SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
+	spin_lock(&ctrl->mbox_lock);
+	tag = alloc_mcc_tag(phba);
+	if (!tag) {
+		spin_unlock(&ctrl->mbox_lock);
+		return tag;
+	}
+
+	wrb = wrb_from_mccq(phba);
+	req = embedded_payload(wrb);
+	wrb->tag0 |= tag;
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+			   OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
+			   sizeof(*req));
+
+	be_mcc_notify(phba);
+	spin_unlock(&ctrl->mbox_lock);
+	return tag;
+}
+
+unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
+				  u32 boot_session_handle,
+				  struct be_dma_mem *nonemb_cmd)
+{
+	struct be_ctrl_info *ctrl = &phba->ctrl;
+	struct be_mcc_wrb *wrb;
+	unsigned int tag = 0;
+	struct  be_cmd_req_get_session *req;
+	struct be_cmd_resp_get_session *resp;
+	struct be_sge *sge;
+
+	SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n");
+	spin_lock(&ctrl->mbox_lock);
+	tag = alloc_mcc_tag(phba);
+	if (!tag) {
+		spin_unlock(&ctrl->mbox_lock);
+		return tag;
+	}
+
+	nonemb_cmd->size = sizeof(*resp);
+	req = nonemb_cmd->va;
+	memset(req, 0, sizeof(*req));
+	wrb = wrb_from_mccq(phba);
+	sge = nonembedded_sgl(wrb);
+	wrb->tag0 |= tag;
+
+
+	wrb->tag0 |= tag;
+	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+			   OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
+			   sizeof(*resp));
+	req->session_handle = boot_session_handle;
+	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+	sge->len = cpu_to_le32(nonemb_cmd->size);
+
+	be_mcc_notify(phba);
+	spin_unlock(&ctrl->mbox_lock);
+	return tag;
+}
 
 int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
 				struct beiscsi_hba *phba)

drivers/scsi/ibmvscsi/ibmvfc.c

@@ -433,6 +433,9 @@ static void ibmvfc_set_tgt_action(struct ibmvfc_target *tgt,
 {
 	switch (tgt->action) {
 	case IBMVFC_TGT_ACTION_DEL_RPORT:
+		if (action == IBMVFC_TGT_ACTION_DELETED_RPORT)
+			tgt->action = action;
+	case IBMVFC_TGT_ACTION_DELETED_RPORT:
 		break;
 	default:
 		if (action == IBMVFC_TGT_ACTION_DEL_RPORT)
@@ -2036,178 +2039,22 @@ static int ibmvfc_reset_device(struct scsi_device *sdev, int type, char *desc)
 }
 
 /**
- * ibmvfc_abort_task_set - Abort outstanding commands to the device
+ * ibmvfc_match_rport - Match function for specified remote port
- * @sdev:	scsi device to abort commands
+ * @evt:	ibmvfc event struct
- *
+ * @device:	device to match (rport)
- * This sends an Abort Task Set to the VIOS for the specified device. This does
- * NOT send any cancel to the VIOS. That must be done separately.
  *
  * Returns:
- *	0 on success / other on failure
+ *	1 if event matches rport / 0 if event does not match rport
  **/
-static int ibmvfc_abort_task_set(struct scsi_device *sdev)
+static int ibmvfc_match_rport(struct ibmvfc_event *evt, void *rport)
 {
-	struct ibmvfc_host *vhost = shost_priv(sdev->host);
+	struct fc_rport *cmd_rport;
-	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
-	struct ibmvfc_cmd *tmf;
-	struct ibmvfc_event *evt, *found_evt;
-	union ibmvfc_iu rsp_iu;
-	struct ibmvfc_fcp_rsp *fc_rsp = &rsp_iu.cmd.rsp;
-	int rsp_rc = -EBUSY;
-	unsigned long flags;
-	int rsp_code = 0;
 
-	spin_lock_irqsave(vhost->host->host_lock, flags);
+	if (evt->cmnd) {
-	found_evt = NULL;
+		cmd_rport = starget_to_rport(scsi_target(evt->cmnd->device));
-	list_for_each_entry(evt, &vhost->sent, queue) {
+		if (cmd_rport == rport)
-		if (evt->cmnd && evt->cmnd->device == sdev) {
+			return 1;
-			found_evt = evt;
-			break;
 	}
-	}
-
-	if (!found_evt) {
-		if (vhost->log_level > IBMVFC_DEFAULT_LOG_LEVEL)
-			sdev_printk(KERN_INFO, sdev, "No events found to abort\n");
-		spin_unlock_irqrestore(vhost->host->host_lock, flags);
-		return 0;
-	}
-
-	if (vhost->state == IBMVFC_ACTIVE) {
-		evt = ibmvfc_get_event(vhost);
-		ibmvfc_init_event(evt, ibmvfc_sync_completion, IBMVFC_CMD_FORMAT);
-
-		tmf = &evt->iu.cmd;
-		memset(tmf, 0, sizeof(*tmf));
-		tmf->resp.va = (u64)evt->crq.ioba + offsetof(struct ibmvfc_cmd, rsp);
-		tmf->resp.len = sizeof(tmf->rsp);
-		tmf->frame_type = IBMVFC_SCSI_FCP_TYPE;
-		tmf->payload_len = sizeof(tmf->iu);
-		tmf->resp_len = sizeof(tmf->rsp);
-		tmf->cancel_key = (unsigned long)sdev->hostdata;
-		tmf->tgt_scsi_id = rport->port_id;
-		int_to_scsilun(sdev->lun, &tmf->iu.lun);
-		tmf->flags = (IBMVFC_NO_MEM_DESC | IBMVFC_TMF);
-		tmf->iu.tmf_flags = IBMVFC_ABORT_TASK_SET;
-		evt->sync_iu = &rsp_iu;
-
-		init_completion(&evt->comp);
-		rsp_rc = ibmvfc_send_event(evt, vhost, default_timeout);
-	}
-
-	spin_unlock_irqrestore(vhost->host->host_lock, flags);
-
-	if (rsp_rc != 0) {
-		sdev_printk(KERN_ERR, sdev, "Failed to send abort. rc=%d\n", rsp_rc);
-		return -EIO;
-	}
-
-	sdev_printk(KERN_INFO, sdev, "Aborting outstanding commands\n");
-	wait_for_completion(&evt->comp);
-
-	if (rsp_iu.cmd.status)
-		rsp_code = ibmvfc_get_err_result(&rsp_iu.cmd);
-
-	if (rsp_code) {
-		if (fc_rsp->flags & FCP_RSP_LEN_VALID)
-			rsp_code = fc_rsp->data.info.rsp_code;
-
-		sdev_printk(KERN_ERR, sdev, "Abort failed: %s (%x:%x) "
-			    "flags: %x fcp_rsp: %x, scsi_status: %x\n",
-			    ibmvfc_get_cmd_error(rsp_iu.cmd.status, rsp_iu.cmd.error),
-			    rsp_iu.cmd.status, rsp_iu.cmd.error, fc_rsp->flags, rsp_code,
-			    fc_rsp->scsi_status);
-		rsp_rc = -EIO;
-	} else
-		sdev_printk(KERN_INFO, sdev, "Abort successful\n");
-
-	spin_lock_irqsave(vhost->host->host_lock, flags);
-	ibmvfc_free_event(evt);
-	spin_unlock_irqrestore(vhost->host->host_lock, flags);
-	return rsp_rc;
-}
-
-/**
- * ibmvfc_cancel_all - Cancel all outstanding commands to the device
- * @sdev:	scsi device to cancel commands
- * @type:	type of error recovery being performed
- *
- * This sends a cancel to the VIOS for the specified device. This does
- * NOT send any abort to the actual device. That must be done separately.
- *
- * Returns:
- *	0 on success / other on failure
- **/
-static int ibmvfc_cancel_all(struct scsi_device *sdev, int type)
-{
-	struct ibmvfc_host *vhost = shost_priv(sdev->host);
-	struct scsi_target *starget = scsi_target(sdev);
-	struct fc_rport *rport = starget_to_rport(starget);
-	struct ibmvfc_tmf *tmf;
-	struct ibmvfc_event *evt, *found_evt;
-	union ibmvfc_iu rsp;
-	int rsp_rc = -EBUSY;
-	unsigned long flags;
-	u16 status;
-
-	ENTER;
-	spin_lock_irqsave(vhost->host->host_lock, flags);
-	found_evt = NULL;
-	list_for_each_entry(evt, &vhost->sent, queue) {
-		if (evt->cmnd && evt->cmnd->device == sdev) {
-			found_evt = evt;
-			break;
-		}
-	}
-
-	if (!found_evt) {
-		if (vhost->log_level > IBMVFC_DEFAULT_LOG_LEVEL)
-			sdev_printk(KERN_INFO, sdev, "No events found to cancel\n");
-		spin_unlock_irqrestore(vhost->host->host_lock, flags);
-		return 0;
-	}
-
-	if (vhost->state == IBMVFC_ACTIVE) {
-		evt = ibmvfc_get_event(vhost);
-		ibmvfc_init_event(evt, ibmvfc_sync_completion, IBMVFC_MAD_FORMAT);
-
-		tmf = &evt->iu.tmf;
-		memset(tmf, 0, sizeof(*tmf));
-		tmf->common.version = 1;
-		tmf->common.opcode = IBMVFC_TMF_MAD;
-		tmf->common.length = sizeof(*tmf);
-		tmf->scsi_id = rport->port_id;
-		int_to_scsilun(sdev->lun, &tmf->lun);
-		tmf->flags = (type | IBMVFC_TMF_LUA_VALID);
-		tmf->cancel_key = (unsigned long)sdev->hostdata;
-		tmf->my_cancel_key = (unsigned long)starget->hostdata;
-
-		evt->sync_iu = &rsp;
-		init_completion(&evt->comp);
-		rsp_rc = ibmvfc_send_event(evt, vhost, default_timeout);
-	}
-
-	spin_unlock_irqrestore(vhost->host->host_lock, flags);
-
-	if (rsp_rc != 0) {
-		sdev_printk(KERN_ERR, sdev, "Failed to send cancel event. rc=%d\n", rsp_rc);
-		return -EIO;
-	}
-
-	sdev_printk(KERN_INFO, sdev, "Cancelling outstanding commands.\n");
-
-	wait_for_completion(&evt->comp);
-	status = rsp.mad_common.status;
-	spin_lock_irqsave(vhost->host->host_lock, flags);
-	ibmvfc_free_event(evt);
-	spin_unlock_irqrestore(vhost->host->host_lock, flags);
-
-	if (status != IBMVFC_MAD_SUCCESS) {
-		sdev_printk(KERN_WARNING, sdev, "Cancel failed with rc=%x\n", status);
-		return -EIO;
-	}
-
-	sdev_printk(KERN_INFO, sdev, "Successfully cancelled outstanding commands\n");
 	return 0;
 }
 
@@ -2296,6 +2143,217 @@ static int ibmvfc_wait_for_ops(struct ibmvfc_host *vhost, void *device,
 	return SUCCESS;
 }
 
+/**
+ * ibmvfc_cancel_all - Cancel all outstanding commands to the device
+ * @sdev:	scsi device to cancel commands
+ * @type:	type of error recovery being performed
+ *
+ * This sends a cancel to the VIOS for the specified device. This does
+ * NOT send any abort to the actual device. That must be done separately.
+ *
+ * Returns:
+ *	0 on success / other on failure
+ **/
+static int ibmvfc_cancel_all(struct scsi_device *sdev, int type)
+{
+	struct ibmvfc_host *vhost = shost_priv(sdev->host);
+	struct scsi_target *starget = scsi_target(sdev);
+	struct fc_rport *rport = starget_to_rport(starget);
+	struct ibmvfc_tmf *tmf;
+	struct ibmvfc_event *evt, *found_evt;
+	union ibmvfc_iu rsp;
+	int rsp_rc = -EBUSY;
+	unsigned long flags;
+	u16 status;
+
+	ENTER;
+	spin_lock_irqsave(vhost->host->host_lock, flags);
+	found_evt = NULL;
+	list_for_each_entry(evt, &vhost->sent, queue) {
+		if (evt->cmnd && evt->cmnd->device == sdev) {
+			found_evt = evt;
+			break;
+		}
+	}
+
+	if (!found_evt) {
+		if (vhost->log_level > IBMVFC_DEFAULT_LOG_LEVEL)
+			sdev_printk(KERN_INFO, sdev, "No events found to cancel\n");
+		spin_unlock_irqrestore(vhost->host->host_lock, flags);
+		return 0;
+	}
+
+	if (vhost->state == IBMVFC_ACTIVE) {
+		evt = ibmvfc_get_event(vhost);
+		ibmvfc_init_event(evt, ibmvfc_sync_completion, IBMVFC_MAD_FORMAT);
+
+		tmf = &evt->iu.tmf;
+		memset(tmf, 0, sizeof(*tmf));
+		tmf->common.version = 1;
+		tmf->common.opcode = IBMVFC_TMF_MAD;
+		tmf->common.length = sizeof(*tmf);
+		tmf->scsi_id = rport->port_id;
+		int_to_scsilun(sdev->lun, &tmf->lun);
+		tmf->flags = (type | IBMVFC_TMF_LUA_VALID);
+		tmf->cancel_key = (unsigned long)sdev->hostdata;
+		tmf->my_cancel_key = (unsigned long)starget->hostdata;
+
+		evt->sync_iu = &rsp;
+		init_completion(&evt->comp);
+		rsp_rc = ibmvfc_send_event(evt, vhost, default_timeout);
+	}
+
+	spin_unlock_irqrestore(vhost->host->host_lock, flags);
+
+	if (rsp_rc != 0) {
+		sdev_printk(KERN_ERR, sdev, "Failed to send cancel event. rc=%d\n", rsp_rc);
+		return -EIO;
+	}
+
+	sdev_printk(KERN_INFO, sdev, "Cancelling outstanding commands.\n");
+
+	wait_for_completion(&evt->comp);
+	status = rsp.mad_common.status;
+	spin_lock_irqsave(vhost->host->host_lock, flags);
+	ibmvfc_free_event(evt);
+	spin_unlock_irqrestore(vhost->host->host_lock, flags);
+
+	if (status != IBMVFC_MAD_SUCCESS) {
+		sdev_printk(KERN_WARNING, sdev, "Cancel failed with rc=%x\n", status);
+		return -EIO;
+	}
+
+	sdev_printk(KERN_INFO, sdev, "Successfully cancelled outstanding commands\n");
+	return 0;
+}
+
+/**
+ * ibmvfc_match_key - Match function for specified cancel key
+ * @evt:	ibmvfc event struct
+ * @key:	cancel key to match
+ *
+ * Returns:
+ *	1 if event matches key / 0 if event does not match key
+ **/
+static int ibmvfc_match_key(struct ibmvfc_event *evt, void *key)
+{
+	unsigned long cancel_key = (unsigned long)key;
+
+	if (evt->crq.format == IBMVFC_CMD_FORMAT &&
+	    evt->iu.cmd.cancel_key == cancel_key)
+		return 1;
+	return 0;
+}
+
+/**
+ * ibmvfc_abort_task_set - Abort outstanding commands to the device
+ * @sdev:	scsi device to abort commands
+ *
+ * This sends an Abort Task Set to the VIOS for the specified device. This does
+ * NOT send any cancel to the VIOS. That must be done separately.
+ *
+ * Returns:
+ *	0 on success / other on failure
+ **/
+static int ibmvfc_abort_task_set(struct scsi_device *sdev)
+{
+	struct ibmvfc_host *vhost = shost_priv(sdev->host);
+	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
+	struct ibmvfc_cmd *tmf;
+	struct ibmvfc_event *evt, *found_evt;
+	union ibmvfc_iu rsp_iu;
+	struct ibmvfc_fcp_rsp *fc_rsp = &rsp_iu.cmd.rsp;
+	int rc, rsp_rc = -EBUSY;
+	unsigned long flags, timeout = IBMVFC_ABORT_TIMEOUT;
+	int rsp_code = 0;
+
+	spin_lock_irqsave(vhost->host->host_lock, flags);
+	found_evt = NULL;
+	list_for_each_entry(evt, &vhost->sent, queue) {
+		if (evt->cmnd && evt->cmnd->device == sdev) {
+			found_evt = evt;
+			break;
+		}
+	}
+
+	if (!found_evt) {
+		if (vhost->log_level > IBMVFC_DEFAULT_LOG_LEVEL)
+			sdev_printk(KERN_INFO, sdev, "No events found to abort\n");
+		spin_unlock_irqrestore(vhost->host->host_lock, flags);
+		return 0;
+	}
+
+	if (vhost->state == IBMVFC_ACTIVE) {
+		evt = ibmvfc_get_event(vhost);
+		ibmvfc_init_event(evt, ibmvfc_sync_completion, IBMVFC_CMD_FORMAT);
+
+		tmf = &evt->iu.cmd;
+		memset(tmf, 0, sizeof(*tmf));
+		tmf->resp.va = (u64)evt->crq.ioba + offsetof(struct ibmvfc_cmd, rsp);
+		tmf->resp.len = sizeof(tmf->rsp);
+		tmf->frame_type = IBMVFC_SCSI_FCP_TYPE;
+		tmf->payload_len = sizeof(tmf->iu);
+		tmf->resp_len = sizeof(tmf->rsp);
+		tmf->cancel_key = (unsigned long)sdev->hostdata;
+		tmf->tgt_scsi_id = rport->port_id;
+		int_to_scsilun(sdev->lun, &tmf->iu.lun);
+		tmf->flags = (IBMVFC_NO_MEM_DESC | IBMVFC_TMF);
+		tmf->iu.tmf_flags = IBMVFC_ABORT_TASK_SET;
+		evt->sync_iu = &rsp_iu;
+
+		init_completion(&evt->comp);
+		rsp_rc = ibmvfc_send_event(evt, vhost, default_timeout);
+	}
+
+	spin_unlock_irqrestore(vhost->host->host_lock, flags);
+
+	if (rsp_rc != 0) {
+		sdev_printk(KERN_ERR, sdev, "Failed to send abort. rc=%d\n", rsp_rc);
+		return -EIO;
+	}
+
+	sdev_printk(KERN_INFO, sdev, "Aborting outstanding commands\n");
+	timeout = wait_for_completion_timeout(&evt->comp, timeout);
+
+	if (!timeout) {
+		rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_ABORT_TASK_SET);
+		if (!rc) {
+			rc = ibmvfc_wait_for_ops(vhost, sdev->hostdata, ibmvfc_match_key);
+			if (rc == SUCCESS)
+				rc = 0;
+		}
+
+		if (rc) {
+			sdev_printk(KERN_INFO, sdev, "Cancel failed, resetting host\n");
+			ibmvfc_reset_host(vhost);
+			rsp_rc = 0;
+			goto out;
+		}
+	}
+
+	if (rsp_iu.cmd.status)
+		rsp_code = ibmvfc_get_err_result(&rsp_iu.cmd);
+
+	if (rsp_code) {
+		if (fc_rsp->flags & FCP_RSP_LEN_VALID)
+			rsp_code = fc_rsp->data.info.rsp_code;
+
+		sdev_printk(KERN_ERR, sdev, "Abort failed: %s (%x:%x) "
+			    "flags: %x fcp_rsp: %x, scsi_status: %x\n",
+			    ibmvfc_get_cmd_error(rsp_iu.cmd.status, rsp_iu.cmd.error),
+			    rsp_iu.cmd.status, rsp_iu.cmd.error, fc_rsp->flags, rsp_code,
+			    fc_rsp->scsi_status);
+		rsp_rc = -EIO;
+	} else
+		sdev_printk(KERN_INFO, sdev, "Abort successful\n");
+
+out:
+	spin_lock_irqsave(vhost->host->host_lock, flags);
+	ibmvfc_free_event(evt);
+	spin_unlock_irqrestore(vhost->host->host_lock, flags);
+	return rsp_rc;
+}
+
 /**
  * ibmvfc_eh_abort_handler - Abort a command
  * @cmd:	scsi command to abort
@@ -2350,18 +2408,6 @@ static int ibmvfc_eh_device_reset_handler(struct scsi_cmnd *cmd)
 	return rc;
 }
 
-/**
- * ibmvfc_dev_cancel_all_abts - Device iterated cancel all function
- * @sdev:	scsi device struct
- * @data:	return code
- *
- **/
-static void ibmvfc_dev_cancel_all_abts(struct scsi_device *sdev, void *data)
-{
-	unsigned long *rc = data;
-	*rc |= ibmvfc_cancel_all(sdev, IBMVFC_TMF_ABORT_TASK_SET);
-}
-
 /**
  * ibmvfc_dev_cancel_all_reset - Device iterated cancel all function
  * @sdev:	scsi device struct
@@ -2374,18 +2420,6 @@ static void ibmvfc_dev_cancel_all_reset(struct scsi_device *sdev, void *data)
 	*rc |= ibmvfc_cancel_all(sdev, IBMVFC_TMF_TGT_RESET);
 }
 
-/**
- * ibmvfc_dev_abort_all - Device iterated abort task set function
- * @sdev:	scsi device struct
- * @data:	return code
- *
- **/
-static void ibmvfc_dev_abort_all(struct scsi_device *sdev, void *data)
-{
-	unsigned long *rc = data;
-	*rc |= ibmvfc_abort_task_set(sdev);
-}
-
 /**
  * ibmvfc_eh_target_reset_handler - Reset the target
  * @cmd:	scsi command struct
@@ -2440,19 +2474,22 @@ static int ibmvfc_eh_host_reset_handler(struct scsi_cmnd *cmd)
  **/
 static void ibmvfc_terminate_rport_io(struct fc_rport *rport)
 {
-	struct scsi_target *starget = to_scsi_target(&rport->dev);
+	struct Scsi_Host *shost = rport_to_shost(rport);
-	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
 	struct ibmvfc_host *vhost = shost_priv(shost);
-	unsigned long cancel_rc = 0;
+	struct fc_rport *dev_rport;
-	unsigned long abort_rc = 0;
+	struct scsi_device *sdev;
-	int rc = FAILED;
+	unsigned long rc;
 
 	ENTER;
-	starget_for_each_device(starget, &cancel_rc, ibmvfc_dev_cancel_all_abts);
+	shost_for_each_device(sdev, shost) {
-	starget_for_each_device(starget, &abort_rc, ibmvfc_dev_abort_all);
+		dev_rport = starget_to_rport(scsi_target(sdev));
+		if (dev_rport != rport)
+			continue;
+		ibmvfc_cancel_all(sdev, IBMVFC_TMF_ABORT_TASK_SET);
+		ibmvfc_abort_task_set(sdev);
+	}
 
-	if (!cancel_rc && !abort_rc)
+	rc = ibmvfc_wait_for_ops(vhost, rport, ibmvfc_match_rport);
-		rc = ibmvfc_wait_for_ops(vhost, starget, ibmvfc_match_target);
 
 	if (rc == FAILED)
 		ibmvfc_issue_fc_host_lip(shost);
@@ -4193,11 +4230,15 @@ static void ibmvfc_tgt_add_rport(struct ibmvfc_target *tgt)
 	if (rport && tgt->action == IBMVFC_TGT_ACTION_DEL_RPORT) {
 		tgt_dbg(tgt, "Deleting rport\n");
 		list_del(&tgt->queue);
+		ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DELETED_RPORT);
 		spin_unlock_irqrestore(vhost->host->host_lock, flags);
 		fc_remote_port_delete(rport);
 		del_timer_sync(&tgt->timer);
 		kref_put(&tgt->kref, ibmvfc_release_tgt);
 		return;
+	} else if (rport && tgt->action == IBMVFC_TGT_ACTION_DELETED_RPORT) {
+		spin_unlock_irqrestore(vhost->host->host_lock, flags);
+		return;
 	}
 
 	if (rport) {
@@ -4297,6 +4338,7 @@ static void ibmvfc_do_work(struct ibmvfc_host *vhost)
 				rport = tgt->rport;
 				tgt->rport = NULL;
 				list_del(&tgt->queue);
+				ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DELETED_RPORT);
 				spin_unlock_irqrestore(vhost->host->host_lock, flags);
 				if (rport)
 					fc_remote_port_delete(rport);

drivers/scsi/ibmvscsi/ibmvfc.h

@@ -29,8 +29,8 @@
 #include "viosrp.h"
 
 #define IBMVFC_NAME	"ibmvfc"
-#define IBMVFC_DRIVER_VERSION		"1.0.8"
+#define IBMVFC_DRIVER_VERSION		"1.0.9"
-#define IBMVFC_DRIVER_DATE		"(June 17, 2010)"
+#define IBMVFC_DRIVER_DATE		"(August 5, 2010)"
 
 #define IBMVFC_DEFAULT_TIMEOUT	60
 #define IBMVFC_ADISC_CANCEL_TIMEOUT	45
@@ -38,6 +38,7 @@
 #define IBMVFC_ADISC_PLUS_CANCEL_TIMEOUT	\
 		(IBMVFC_ADISC_TIMEOUT + IBMVFC_ADISC_CANCEL_TIMEOUT)
 #define IBMVFC_INIT_TIMEOUT		120
+#define IBMVFC_ABORT_TIMEOUT		8
 #define IBMVFC_ABORT_WAIT_TIMEOUT	40
 #define IBMVFC_MAX_REQUESTS_DEFAULT	100
 
@@ -597,6 +598,7 @@ enum ibmvfc_target_action {
 	IBMVFC_TGT_ACTION_INIT,
 	IBMVFC_TGT_ACTION_INIT_WAIT,
 	IBMVFC_TGT_ACTION_DEL_RPORT,
+	IBMVFC_TGT_ACTION_DELETED_RPORT,
 };
 
 struct ibmvfc_target {

drivers/scsi/libfc/fc_fcp.c

@@ -1765,14 +1765,14 @@ int fc_queuecommand(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *))
 	struct fcoe_dev_stats *stats;
 
 	lport = shost_priv(sc_cmd->device->host);
-	spin_unlock_irq(lport->host->host_lock);
 
 	rval = fc_remote_port_chkready(rport);
 	if (rval) {
 		sc_cmd->result = rval;
 		done(sc_cmd);
-		goto out;
+		return 0;
 	}
+	spin_unlock_irq(lport->host->host_lock);
 
 	if (!*(struct fc_remote_port **)rport->dd_data) {
 		/*

drivers/scsi/lpfc/lpfc.h

@@ -775,6 +775,7 @@ struct lpfc_hba {
 	uint8_t temp_sensor_support;
 	/* Fields used for heart beat. */
 	unsigned long last_completion_time;
+	unsigned long skipped_hb;
 	struct timer_list hb_tmofunc;
 	uint8_t hb_outstanding;
 	enum hba_temp_state over_temp_state;
@@ -817,6 +818,8 @@ struct lpfc_hba {
 	uint32_t iocb_cnt;
 	uint32_t iocb_max;
 	atomic_t sdev_cnt;
+	uint8_t fips_spec_rev;
+	uint8_t fips_level;
 };
 
 static inline struct Scsi_Host *

drivers/scsi/lpfc/lpfc_attr.c

@@ -1239,6 +1239,44 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr,
 	return strlen(buf);
 }
 
+/**
+ * lpfc_fips_level_show - Return the current FIPS level for the HBA
+ * @dev: class unused variable.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the module description text.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_fips_level_show(struct device *dev,  struct device_attribute *attr,
+		     char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level);
+}
+
+/**
+ * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
+ * @dev: class unused variable.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the module description text.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_fips_rev_show(struct device *dev,  struct device_attribute *attr,
+		   char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev);
+}
+
 /**
  * lpfc_param_show - Return a cfg attribute value in decimal
  *
@@ -1677,6 +1715,8 @@ static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
 static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
 static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
 static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL);
+static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL);
+static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL);
 
 
 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
@@ -3278,7 +3318,7 @@ LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
 #	- Default will result in registering capabilities for all profiles.
 #
 */
-unsigned int lpfc_prot_mask =   SHOST_DIX_TYPE0_PROTECTION;
+unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION;
 
 module_param(lpfc_prot_mask, uint, 0);
 MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask");
@@ -3383,6 +3423,8 @@ struct device_attribute *lpfc_hba_attrs[] = {
 	&dev_attr_iocb_hw,
 	&dev_attr_txq_hw,
 	&dev_attr_txcmplq_hw,
+	&dev_attr_lpfc_fips_level,
+	&dev_attr_lpfc_fips_rev,
 	NULL,
 };
 
@@ -3409,6 +3451,8 @@ struct device_attribute *lpfc_vport_attrs[] = {
 	&dev_attr_lpfc_max_scsicmpl_time,
 	&dev_attr_lpfc_stat_data_ctrl,
 	&dev_attr_lpfc_static_vport,
+	&dev_attr_lpfc_fips_level,
+	&dev_attr_lpfc_fips_rev,
 	NULL,
 };
 

drivers/scsi/lpfc/lpfc_bsg.c

@@ -2722,15 +2722,6 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 				mbox_req->inExtWLen * sizeof(uint32_t));
 		}
 
-		pmboxq->context2 = ext;
-		pmboxq->in_ext_byte_len =
-			mbox_req->inExtWLen *
-			sizeof(uint32_t);
-		pmboxq->out_ext_byte_len =
-			mbox_req->outExtWLen *
-			sizeof(uint32_t);
-		pmboxq->mbox_offset_word =
-			mbox_req->mbOffset;
 		pmboxq->context2 = ext;
 		pmboxq->in_ext_byte_len =
 			mbox_req->inExtWLen * sizeof(uint32_t);

drivers/scsi/lpfc/lpfc_compat.h

@@ -82,8 +82,7 @@ lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes)
 static inline void
 lpfc_memcpy_to_slim( void __iomem *dest, void *src, unsigned int bytes)
 {
-	/* actually returns 1 byte past dest */
+	__iowrite32_copy(dest, src, bytes);
-	memcpy_toio( dest, src, bytes);
 }
 
 static inline void

drivers/scsi/lpfc/lpfc_els.c

@@ -600,6 +600,14 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 			vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
 			spin_unlock_irq(shost->host_lock);
 		}
+	} else if ((phba->sli_rev == LPFC_SLI_REV4) &&
+		!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {
+			/*
+			 * Driver needs to re-reg VPI in order for f/w
+			 * to update the MAC address.
+			 */
+			lpfc_register_new_vport(phba, vport, ndlp);
+			return 0;
 	}
 
 	if (phba->sli_rev < LPFC_SLI_REV4) {
@@ -801,9 +809,12 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		    (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED)) {
 			lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
 					"2611 FLOGI failed on registered "
-					"FCF record fcf_index:%d, trying "
+					"FCF record fcf_index(%d), status: "
-					"to perform round robin failover\n",
+					"x%x/x%x, tmo:x%x, trying to perform "
-					phba->fcf.current_rec.fcf_indx);
+					"round robin failover\n",
+					phba->fcf.current_rec.fcf_indx,
+					irsp->ulpStatus, irsp->un.ulpWord[4],
+					irsp->ulpTimeout);
 			fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
 			if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
 				/*
@@ -841,6 +852,12 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			}
 		}
 
+		/* FLOGI failure */
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				"2858 FLOGI failure Status:x%x/x%x TMO:x%x\n",
+				irsp->ulpStatus, irsp->un.ulpWord[4],
+				irsp->ulpTimeout);
+
 		/* Check for retry */
 		if (lpfc_els_retry(phba, cmdiocb, rspiocb))
 			goto out;
@@ -1291,6 +1308,8 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
 	struct serv_parm *sp;
 	uint8_t  name[sizeof(struct lpfc_name)];
 	uint32_t rc, keepDID = 0;
+	int  put_node;
+	int  put_rport;
 
 	/* Fabric nodes can have the same WWPN so we don't bother searching
 	 * by WWPN.  Just return the ndlp that was given to us.
@@ -1379,6 +1398,28 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
 		/* Two ndlps cannot have the same did */
 		ndlp->nlp_DID = keepDID;
 		lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
+		/* Since we are swapping the ndlp passed in with the new one
+		 * and the did has already been swapped, copy over the
+		 * state and names.
+		 */
+		memcpy(&new_ndlp->nlp_portname, &ndlp->nlp_portname,
+			sizeof(struct lpfc_name));
+		memcpy(&new_ndlp->nlp_nodename, &ndlp->nlp_nodename,
+			sizeof(struct lpfc_name));
+		new_ndlp->nlp_state = ndlp->nlp_state;
+		/* Fix up the rport accordingly */
+		rport = ndlp->rport;
+		if (rport) {
+			rdata = rport->dd_data;
+			put_node = rdata->pnode != NULL;
+			put_rport = ndlp->rport != NULL;
+			rdata->pnode = NULL;
+			ndlp->rport = NULL;
+			if (put_node)
+				lpfc_nlp_put(ndlp);
+			if (put_rport)
+				put_device(&rport->dev);
+		}
 	}
 	return new_ndlp;
 }
@@ -2880,6 +2921,17 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		retry = 0;
 
 	if (retry) {
+		if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_FDISC)) {
+			/* Stop retrying PLOGI and FDISC if in FCF discovery */
+			if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+				lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+						 "2849 Stop retry ELS command "
+						 "x%x to remote NPORT x%x, "
+						 "Data: x%x x%x\n", cmd, did,
+						 cmdiocb->retry, delay);
+				return 0;
+			}
+		}
 
 		/* Retry ELS command <elsCmd> to remote NPORT <did> */
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
@@ -6076,8 +6128,12 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 
 	if (mb->mbxStatus) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
-				 "0915 Register VPI failed: 0x%x\n",
+				"0915 Register VPI failed : Status: x%x"
-				 mb->mbxStatus);
+				" upd bit: x%x \n", mb->mbxStatus,
+				 mb->un.varRegVpi.upd);
+		if (phba->sli_rev == LPFC_SLI_REV4 &&
+			mb->un.varRegVpi.upd)
+			goto mbox_err_exit ;
 
 		switch (mb->mbxStatus) {
 		case 0x11:	/* unsupported feature */
@@ -6142,7 +6198,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 		} else
 			lpfc_do_scr_ns_plogi(phba, vport);
 	}
-
+mbox_err_exit:
 	/* Now, we decrement the ndlp reference count held for this
 	 * callback function
 	 */
@@ -6387,6 +6443,14 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		else
 			vport->fc_flag |= FC_LOGO_RCVD_DID_CHNG;
 		spin_unlock_irq(shost->host_lock);
+	} else if ((phba->sli_rev == LPFC_SLI_REV4) &&
+		!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {
+		/*
+		 * Driver needs to re-reg VPI in order for f/w
+		 * to update the MAC address.
+		 */
+		lpfc_register_new_vport(phba, vport, ndlp);
+		return ;
 	}
 
 	if (vport->fc_flag & FC_VPORT_NEEDS_INIT_VPI)

drivers/scsi/lpfc/lpfc_hbadisc.c

@@ -588,7 +588,7 @@ lpfc_work_done(struct lpfc_hba *phba)
 							(status &
 							 HA_RXMASK));
 		}
-		if (pring->txq_cnt)
+		if ((phba->sli_rev == LPFC_SLI_REV4) && pring->txq_cnt)
 			lpfc_drain_txq(phba);
 		/*
 		 * Turn on Ring interrupts
@@ -1852,8 +1852,7 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 				__lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
 			else if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
 				/* If in fast failover, mark it's completed */
-				phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV |
+				phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
-							FCF_DISCOVERY);
 			spin_unlock_irq(&phba->hbalock);
 			lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
 					"2836 The new FCF record (x%x) "
@@ -2651,7 +2650,6 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
 		spin_unlock_irq(&phba->hbalock);
 		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
 				"2778 Start FCF table scan at linkup\n");
-
 		rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
 						     LPFC_FCOE_FCF_GET_FIRST);
 		if (rc) {
@@ -2660,6 +2658,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
 			spin_unlock_irq(&phba->hbalock);
 			goto out;
 		}
+		/* Reset FCF roundrobin bmask for new discovery */
+		memset(phba->fcf.fcf_rr_bmask, 0,
+		       sizeof(*phba->fcf.fcf_rr_bmask));
 	}
 
 	return;
@@ -5097,6 +5098,7 @@ static void
 lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 {
 	struct lpfc_vport *vport = mboxq->vport;
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 
 	if (mboxq->u.mb.mbxStatus) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
@@ -5104,6 +5106,9 @@ lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 			"HBA state x%x\n",
 			mboxq->u.mb.mbxStatus, vport->port_state);
 	}
+	spin_lock_irq(shost->host_lock);
+	phba->pport->fc_flag &= ~FC_VFI_REGISTERED;
+	spin_unlock_irq(shost->host_lock);
 	mempool_free(mboxq, phba->mbox_mem_pool);
 	return;
 }
@@ -5285,6 +5290,10 @@ lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
 	spin_lock_irq(&phba->hbalock);
 	phba->fcf.fcf_flag |= FCF_INIT_DISC;
 	spin_unlock_irq(&phba->hbalock);
+
+	/* Reset FCF roundrobin bmask for new discovery */
+	memset(phba->fcf.fcf_rr_bmask, 0, sizeof(*phba->fcf.fcf_rr_bmask));
+
 	rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
 
 	if (rc) {

drivers/scsi/lpfc/lpfc_hw.h

@@ -2291,7 +2291,8 @@ typedef struct {
 typedef struct {
 #ifdef __BIG_ENDIAN_BITFIELD
 	uint32_t rsvd1;
-	uint32_t rsvd2:8;
+	uint32_t rsvd2:7;
+	uint32_t upd:1;
 	uint32_t sid:24;
 	uint32_t wwn[2];
 	uint32_t rsvd5;
@@ -2300,7 +2301,8 @@ typedef struct {
 #else	/*  __LITTLE_ENDIAN */
 	uint32_t rsvd1;
 	uint32_t sid:24;
-	uint32_t rsvd2:8;
+	uint32_t upd:1;
+	uint32_t rsvd2:7;
 	uint32_t wwn[2];
 	uint32_t rsvd5;
 	uint16_t vpi;
@@ -2806,11 +2808,15 @@ typedef struct {
 	uint32_t rsvd6;           /* Reserved                             */
 
 #ifdef __BIG_ENDIAN_BITFIELD
-	uint32_t rsvd7      : 16;  /* Reserved                             */
+	uint32_t fips_rev   : 3;   /* FIPS Spec Revision                   */
+	uint32_t fips_level : 4;   /* FIPS Level                           */
+	uint32_t sec_err    : 9;   /* security crypto error                */
 	uint32_t max_vpi    : 16;  /* Max number of virt N-Ports           */
 #else	/*  __LITTLE_ENDIAN */
 	uint32_t max_vpi    : 16;  /* Max number of virt N-Ports           */
-	uint32_t rsvd7      : 16;  /* Reserved                             */
+	uint32_t sec_err    : 9;   /* security crypto error                */
+	uint32_t fips_level : 4;   /* FIPS Level                           */
+	uint32_t fips_rev   : 3;   /* FIPS Spec Revision                   */
 #endif
 
 } CONFIG_PORT_VAR;
@@ -3441,63 +3447,63 @@ struct sli3_bg_fields {
 static inline uint32_t
 lpfc_bgs_get_bidir_bg_prof(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_BIDIR_BG_PROF_MASK) >>
+	return (bgstat & BGS_BIDIR_BG_PROF_MASK) >>
 				BGS_BIDIR_BG_PROF_SHIFT;
 }
 
 static inline uint32_t
 lpfc_bgs_get_bidir_err_cond(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_BIDIR_ERR_COND_FLAGS_MASK) >>
+	return (bgstat & BGS_BIDIR_ERR_COND_FLAGS_MASK) >>
 				BGS_BIDIR_ERR_COND_SHIFT;
 }
 
 static inline uint32_t
 lpfc_bgs_get_bg_prof(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_BG_PROFILE_MASK) >>
+	return (bgstat & BGS_BG_PROFILE_MASK) >>
 				BGS_BG_PROFILE_SHIFT;
 }
 
 static inline uint32_t
 lpfc_bgs_get_invalid_prof(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_INVALID_PROF_MASK) >>
+	return (bgstat & BGS_INVALID_PROF_MASK) >>
 				BGS_INVALID_PROF_SHIFT;
 }
 
 static inline uint32_t
 lpfc_bgs_get_uninit_dif_block(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_UNINIT_DIF_BLOCK_MASK) >>
+	return (bgstat & BGS_UNINIT_DIF_BLOCK_MASK) >>
 				BGS_UNINIT_DIF_BLOCK_SHIFT;
 }
 
 static inline uint32_t
 lpfc_bgs_get_hi_water_mark_present(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_HI_WATER_MARK_PRESENT_MASK) >>
+	return (bgstat & BGS_HI_WATER_MARK_PRESENT_MASK) >>
 				BGS_HI_WATER_MARK_PRESENT_SHIFT;
 }
 
 static inline uint32_t
 lpfc_bgs_get_reftag_err(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_REFTAG_ERR_MASK) >>
+	return (bgstat & BGS_REFTAG_ERR_MASK) >>
 				BGS_REFTAG_ERR_SHIFT;
 }
 
 static inline uint32_t
 lpfc_bgs_get_apptag_err(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_APPTAG_ERR_MASK) >>
+	return (bgstat & BGS_APPTAG_ERR_MASK) >>
 				BGS_APPTAG_ERR_SHIFT;
 }
 
 static inline uint32_t
 lpfc_bgs_get_guard_err(uint32_t bgstat)
 {
-	return (le32_to_cpu(bgstat) & BGS_GUARD_ERR_MASK) >>
+	return (bgstat & BGS_GUARD_ERR_MASK) >>
 				BGS_GUARD_ERR_SHIFT;
 }
 

drivers/scsi/lpfc/lpfc_init.c

@@ -1032,27 +1032,46 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
 	/* If there is no heart beat outstanding, issue a heartbeat command */
 	if (phba->cfg_enable_hba_heartbeat) {
 		if (!phba->hb_outstanding) {
-			pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
+			if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
+				(list_empty(&psli->mboxq))) {
+				pmboxq = mempool_alloc(phba->mbox_mem_pool,
+							GFP_KERNEL);
 				if (!pmboxq) {
 					mod_timer(&phba->hb_tmofunc,
-					  jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
+						 jiffies +
+						 HZ * LPFC_HB_MBOX_INTERVAL);
 					return;
 				}
 
 				lpfc_heart_beat(phba, pmboxq);
 				pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
 				pmboxq->vport = phba->pport;
-			retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
+				retval = lpfc_sli_issue_mbox(phba, pmboxq,
+						MBX_NOWAIT);
 
-			if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
+				if (retval != MBX_BUSY &&
-				mempool_free(pmboxq, phba->mbox_mem_pool);
+					retval != MBX_SUCCESS) {
+					mempool_free(pmboxq,
+							phba->mbox_mem_pool);
 					mod_timer(&phba->hb_tmofunc,
-					  jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
+						jiffies +
+						HZ * LPFC_HB_MBOX_INTERVAL);
 					return;
 				}
+				phba->skipped_hb = 0;
+				phba->hb_outstanding = 1;
+			} else if (time_before_eq(phba->last_completion_time,
+					phba->skipped_hb)) {
+				lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"2857 Last completion time not "
+					" updated in %d ms\n",
+					jiffies_to_msecs(jiffies
+						 - phba->last_completion_time));
+			} else
+				phba->skipped_hb = jiffies;
+
 			mod_timer(&phba->hb_tmofunc,
 				  jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
-			phba->hb_outstanding = 1;
 			return;
 		} else {
 			/*
@@ -3281,10 +3300,10 @@ lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
 		if (!ndlp)
 			return 0;
 	}
-	if (phba->pport->port_state <= LPFC_FLOGI)
+	if (phba->pport->port_state < LPFC_FLOGI)
 		return NULL;
 	/* If virtual link is not yet instantiated ignore CVL */
-	if (vport->port_state <= LPFC_FDISC)
+	if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC))
 		return NULL;
 	shost = lpfc_shost_from_vport(vport);
 	if (!shost)
@@ -3357,21 +3376,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 					"evt_tag:x%x, fcf_index:x%x\n",
 					acqe_fcoe->event_tag,
 					acqe_fcoe->index);
-		/* If the FCF discovery is in progress, do nothing. */
+		if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
-		spin_lock_irq(&phba->hbalock);
-		if (phba->hba_flag & FCF_DISC_INPROGRESS) {
-			spin_unlock_irq(&phba->hbalock);
-			break;
-		}
-		/* If fast FCF failover rescan event is pending, do nothing */
-		if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
-			spin_unlock_irq(&phba->hbalock);
-			break;
-		}
-		spin_unlock_irq(&phba->hbalock);
-
-		if ((phba->fcf.fcf_flag & FCF_DISCOVERY) &&
-		    !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
 			/*
 			 * During period of FCF discovery, read the FCF
 			 * table record indexed by the event to update
@@ -3385,13 +3390,26 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 					acqe_fcoe->index);
 			rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index);
 		}
-		/* If the FCF has been in discovered state, do nothing. */
+
+		/* If the FCF discovery is in progress, do nothing. */
 		spin_lock_irq(&phba->hbalock);
+		if (phba->hba_flag & FCF_DISC_INPROGRESS) {
+			spin_unlock_irq(&phba->hbalock);
+			break;
+		}
+		/* If fast FCF failover rescan event is pending, do nothing */
+		if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
+			spin_unlock_irq(&phba->hbalock);
+			break;
+		}
+
+		/* If the FCF has been in discovered state, do nothing. */
 		if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
 			spin_unlock_irq(&phba->hbalock);
 			break;
 		}
 		spin_unlock_irq(&phba->hbalock);
+
 		/* Otherwise, scan the entire FCF table and re-discover SAN */
 		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
 				"2770 Start FCF table scan due to new FCF "
@@ -3417,13 +3435,9 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 			"2549 FCF disconnected from network index 0x%x"
 			" tag 0x%x\n", acqe_fcoe->index,
 			acqe_fcoe->event_tag);
-		/* If the event is not for currently used fcf do nothing */
+		/*
-		if (phba->fcf.current_rec.fcf_indx != acqe_fcoe->index)
+		 * If we are in the middle of FCF failover process, clear
-			break;
+		 * the corresponding FCF bit in the roundrobin bitmap.
-		/* We request port to rediscover the entire FCF table for
-		 * a fast recovery from case that the current FCF record
-		 * is no longer valid if we are not in the middle of FCF
-		 * failover process already.
 		 */
 		spin_lock_irq(&phba->hbalock);
 		if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
@@ -3432,9 +3446,23 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 			lpfc_sli4_fcf_rr_index_clear(phba, acqe_fcoe->index);
 			break;
 		}
+		spin_unlock_irq(&phba->hbalock);
+
+		/* If the event is not for currently used fcf do nothing */
+		if (phba->fcf.current_rec.fcf_indx != acqe_fcoe->index)
+			break;
+
+		/*
+		 * Otherwise, request the port to rediscover the entire FCF
+		 * table for a fast recovery from case that the current FCF
+		 * is no longer valid as we are not in the middle of FCF
+		 * failover process already.
+		 */
+		spin_lock_irq(&phba->hbalock);
 		/* Mark the fast failover process in progress */
 		phba->fcf.fcf_flag |= FCF_DEAD_DISC;
 		spin_unlock_irq(&phba->hbalock);
+
 		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
 				"2771 Start FCF fast failover process due to "
 				"FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
@@ -3454,12 +3482,16 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 			 * as a link down to FCF registration.
 			 */
 			lpfc_sli4_fcf_dead_failthrough(phba);
-		} else
+		} else {
-			/* Handling fast FCF failover to a DEAD FCF event
+			/* Reset FCF roundrobin bmask for new discovery */
-			 * is considered equalivant to receiving CVL to all
+			memset(phba->fcf.fcf_rr_bmask, 0,
-			 * vports.
+			       sizeof(*phba->fcf.fcf_rr_bmask));
+			/*
+			 * Handling fast FCF failover to a DEAD FCF event is
+			 * considered equalivant to receiving CVL to all vports.
 			 */
 			lpfc_sli4_perform_all_vport_cvl(phba);
+		}
 		break;
 	case LPFC_FCOE_EVENT_TYPE_CVL:
 		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
@@ -3534,7 +3566,13 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 				 * the current registered FCF entry.
 				 */
 				lpfc_retry_pport_discovery(phba);
-			}
+			} else
+				/*
+				 * Reset FCF roundrobin bmask for new
+				 * discovery.
+				 */
+				memset(phba->fcf.fcf_rr_bmask, 0,
+				       sizeof(*phba->fcf.fcf_rr_bmask));
 		}
 		break;
 	default:

drivers/scsi/lpfc/lpfc_mbox.c

@@ -815,9 +815,15 @@ void
 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb)
 {
 	MAILBOX_t *mb = &pmb->u.mb;
+	struct lpfc_hba *phba = vport->phba;
 
 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
-
+	/*
+	 * Set the re-reg VPI bit for f/w to update the MAC address.
+	 */
+	if ((phba->sli_rev == LPFC_SLI_REV4) &&
+		!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI))
+		mb->un.varRegVpi.upd = 1;
 	mb->un.varRegVpi.vpi = vport->vpi + vport->phba->vpi_base;
 	mb->un.varRegVpi.sid = vport->fc_myDID;
 	mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base;

drivers/scsi/lpfc/lpfc_scsi.c

@@ -1325,7 +1325,7 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 	bf_set(pde5_type, pde5, LPFC_PDE5_DESCRIPTOR);
 	pde5->reftag = reftag;
 
-	/* Endian convertion if necessary for PDE5 */
+	/* Endianness conversion if necessary for PDE5 */
 	pde5->word0 = cpu_to_le32(pde5->word0);
 	pde5->reftag = cpu_to_le32(pde5->reftag);
 
@@ -1347,7 +1347,7 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 	bf_set(pde6_ai, pde6, 1);
 	bf_set(pde6_apptagval, pde6, apptagval);
 
-	/* Endian convertion if necessary for PDE6 */
+	/* Endianness conversion if necessary for PDE6 */
 	pde6->word0 = cpu_to_le32(pde6->word0);
 	pde6->word1 = cpu_to_le32(pde6->word1);
 	pde6->word2 = cpu_to_le32(pde6->word2);
@@ -1459,7 +1459,7 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 		bf_set(pde5_type, pde5, LPFC_PDE5_DESCRIPTOR);
 		pde5->reftag = reftag;
 
-		/* Endian convertion if necessary for PDE5 */
+		/* Endianness conversion if necessary for PDE5 */
 		pde5->word0 = cpu_to_le32(pde5->word0);
 		pde5->reftag = cpu_to_le32(pde5->reftag);
 
@@ -1479,7 +1479,7 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 		bf_set(pde6_ai, pde6, 1);
 		bf_set(pde6_apptagval, pde6, apptagval);
 
-		/* Endian convertion if necessary for PDE6 */
+		/* Endianness conversion if necessary for PDE6 */
 		pde6->word0 = cpu_to_le32(pde6->word0);
 		pde6->word1 = cpu_to_le32(pde6->word1);
 		pde6->word2 = cpu_to_le32(pde6->word2);

drivers/scsi/lpfc/lpfc_sli.c

@@ -1046,7 +1046,7 @@ lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 	} else
 		spin_unlock_irq(&phba->hbalock);
 
-	lpfc_printf_log(phba, KERN_ERR,LOG_SLI,
+	lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
 			"0318 Failed to allocate IOTAG.last IOTAG is %d\n",
 			psli->last_iotag);
 
@@ -3914,7 +3914,8 @@ lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
 		phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED |
 					LPFC_SLI3_HBQ_ENABLED |
 					LPFC_SLI3_CRP_ENABLED |
-					LPFC_SLI3_BG_ENABLED);
+					LPFC_SLI3_BG_ENABLED |
+					LPFC_SLI3_DSS_ENABLED);
 		if (rc != MBX_SUCCESS) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0442 Adapter failed to init, mbxCmd x%x "
@@ -3949,8 +3950,23 @@ lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
 
 		} else
 			phba->max_vpi = 0;
-		if (pmb->u.mb.un.varCfgPort.gdss)
+		phba->fips_level = 0;
+		phba->fips_spec_rev = 0;
+		if (pmb->u.mb.un.varCfgPort.gdss) {
 			phba->sli3_options |= LPFC_SLI3_DSS_ENABLED;
+			phba->fips_level = pmb->u.mb.un.varCfgPort.fips_level;
+			phba->fips_spec_rev = pmb->u.mb.un.varCfgPort.fips_rev;
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"2850 Security Crypto Active. FIPS x%d "
+					"(Spec Rev: x%d)",
+					phba->fips_level, phba->fips_spec_rev);
+		}
+		if (pmb->u.mb.un.varCfgPort.sec_err) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2856 Config Port Security Crypto "
+					"Error: x%x ",
+					pmb->u.mb.un.varCfgPort.sec_err);
+		}
 		if (pmb->u.mb.un.varCfgPort.gerbm)
 			phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED;
 		if (pmb->u.mb.un.varCfgPort.gcrp)
@@ -9040,6 +9056,7 @@ lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
 	switch (bf_get(lpfc_cqe_code, &cqevt)) {
 	case CQE_CODE_COMPL_WQE:
 		/* Process the WQ/RQ complete event */
+		phba->last_completion_time = jiffies;
 		workposted = lpfc_sli4_sp_handle_els_wcqe(phba,
 				(struct lpfc_wcqe_complete *)&cqevt);
 		break;
@@ -9050,11 +9067,13 @@ lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
 		break;
 	case CQE_CODE_XRI_ABORTED:
 		/* Process the WQ XRI abort event */
+		phba->last_completion_time = jiffies;
 		workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq,
 				(struct sli4_wcqe_xri_aborted *)&cqevt);
 		break;
 	case CQE_CODE_RECEIVE:
 		/* Process the RQ event */
+		phba->last_completion_time = jiffies;
 		workposted = lpfc_sli4_sp_handle_rcqe(phba,
 				(struct lpfc_rcqe *)&cqevt);
 		break;
@@ -9276,7 +9295,6 @@ lpfc_sli4_fp_handle_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
 {
 	struct lpfc_wcqe_release wcqe;
 	bool workposted = false;
-	unsigned long iflag;
 
 	/* Copy the work queue CQE and convert endian order if needed */
 	lpfc_sli_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe));
@@ -9285,9 +9303,7 @@ lpfc_sli4_fp_handle_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
 	switch (bf_get(lpfc_wcqe_c_code, &wcqe)) {
 	case CQE_CODE_COMPL_WQE:
 		/* Process the WQ complete event */
-		spin_lock_irqsave(&phba->hbalock, iflag);
 		phba->last_completion_time = jiffies;
-		spin_unlock_irqrestore(&phba->hbalock, iflag);
 		lpfc_sli4_fp_handle_fcp_wcqe(phba,
 				(struct lpfc_wcqe_complete *)&wcqe);
 		break;
@@ -9298,6 +9314,7 @@ lpfc_sli4_fp_handle_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
 		break;
 	case CQE_CODE_XRI_ABORTED:
 		/* Process the WQ XRI abort event */
+		phba->last_completion_time = jiffies;
 		workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq,
 				(struct sli4_wcqe_xri_aborted *)&wcqe);
 		break;
@@ -12278,12 +12295,9 @@ lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
 		spin_lock_irq(&phba->hbalock);
 		phba->hba_flag |= FCF_DISC_INPROGRESS;
 		spin_unlock_irq(&phba->hbalock);
-		/* Reset FCF round robin index bmask for new scan */
+		/* Reset eligible FCF count for new scan */
-		if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) {
+		if (fcf_index == LPFC_FCOE_FCF_GET_FIRST)
-			memset(phba->fcf.fcf_rr_bmask, 0,
-			       sizeof(*phba->fcf.fcf_rr_bmask));
 			phba->fcf.eligible_fcf_cnt = 0;
-		}
 		error = 0;
 	}
 fail_fcf_scan:

drivers/scsi/lpfc/lpfc_version.h

@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.3.15"
+#define LPFC_DRIVER_VERSION "8.3.16"
 #define LPFC_DRIVER_NAME		"lpfc"
 #define LPFC_SP_DRIVER_HANDLER_NAME	"lpfc:sp"
 #define LPFC_FP_DRIVER_HANDLER_NAME	"lpfc:fp"

drivers/scsi/pm8001/pm8001_hwi.c

@@ -4199,8 +4199,10 @@ static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
 	memset(&nvmd_req, 0, sizeof(nvmd_req));
 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
-	if (rc)
+	if (rc) {
+		kfree(fw_control_context);
 		return rc;
+	}
 	ccb = &pm8001_ha->ccb_info[tag];
 	ccb->ccb_tag = tag;
 	ccb->fw_control_context = fw_control_context;
@@ -4276,8 +4278,10 @@ static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
 		ioctl_payload->length);
 	memset(&nvmd_req, 0, sizeof(nvmd_req));
 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
-	if (rc)
+	if (rc) {
+		kfree(fw_control_context);
 		return rc;
+	}
 	ccb = &pm8001_ha->ccb_info[tag];
 	ccb->fw_control_context = fw_control_context;
 	ccb->ccb_tag = tag;
@@ -4387,6 +4391,7 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
 			fw_control->len, 0) != 0) {
 				PM8001_FAIL_DBG(pm8001_ha,
 					pm8001_printk("Mem alloc failure\n"));
+				kfree(fw_control_context);
 				return -ENOMEM;
 		}
 	}
@@ -4401,8 +4406,10 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
 	fw_control_context->virtAddr = buffer;
 	fw_control_context->len = fw_control->len;
 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
-	if (rc)
+	if (rc) {
+		kfree(fw_control_context);
 		return rc;
+	}
 	ccb = &pm8001_ha->ccb_info[tag];
 	ccb->fw_control_context = fw_control_context;
 	ccb->ccb_tag = tag;

drivers/scsi/qla4xxx/ql4_def.h

@@ -36,6 +36,24 @@
 #include "ql4_dbg.h"
 #include "ql4_nx.h"
 
+#if defined(CONFIG_PCIEAER)
+#include <linux/aer.h>
+#else
+/* AER releated */
+static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
+{
+	return -EINVAL;
+}
+static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
+{
+	return -EINVAL;
+}
+static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
+{
+	return -EINVAL;
+}
+#endif
+
 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
 #define PCI_DEVICE_ID_QLOGIC_ISP4010	0x4010
 #endif
@@ -137,6 +155,9 @@
 #define ISCSI_ALIAS_SIZE		32	/* ISCSI Alias name size */
 #define ISCSI_NAME_SIZE			0xE0	/* ISCSI Name size */
 
+#define QL4_SESS_RECOVERY_TMO		30	/* iSCSI session */
+						/* recovery timeout */
+
 #define LSDW(x) ((u32)((u64)(x)))
 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
 
@@ -249,7 +270,6 @@ struct ddb_entry {
 	uint32_t default_time2wait; /* Default Min time between
 				     * relogins (+aens) */
 
-	atomic_t port_down_timer; /* Device connection timer */
 	atomic_t retry_relogin_timer; /* Min Time between relogins
 				       * (4000 only) */
 	atomic_t relogin_timer;	/* Max Time to wait for relogin to complete */
@@ -378,7 +398,9 @@ struct scsi_qla_host {
 #define AF_MSI_ENABLED			16 /* 0x00010000 */
 #define AF_MSIX_ENABLED			17 /* 0x00020000 */
 #define AF_MBOX_COMMAND_NOPOLL		18 /* 0x00040000 */
-
+#define AF_FW_RECOVERY			19 /* 0x00080000 */
+#define AF_EEH_BUSY			20 /* 0x00100000 */
+#define AF_PCI_CHANNEL_IO_PERM_FAILURE	21 /* 0x00200000 */
 
 	unsigned long dpc_flags;
 
@@ -474,7 +496,6 @@ struct scsi_qla_host {
 	uint32_t timer_active;
 
 	/* Recovery Timers */
-	uint32_t port_down_retry_count;
 	uint32_t discovery_wait;
 	atomic_t check_relogin_timeouts;
 	uint32_t retry_reset_ha_cnt;
@@ -615,6 +636,15 @@ static inline int is_qla8022(struct scsi_qla_host *ha)
 	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
 }
 
+/* Note: Currently AER/EEH is now supported only for 8022 cards
+ * This function needs to be updated when AER/EEH is enabled
+ * for other cards.
+ */
+static inline int is_aer_supported(struct scsi_qla_host *ha)
+{
+	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
+}
+
 static inline int adapter_up(struct scsi_qla_host *ha)
 {
 	return (test_bit(AF_ONLINE, &ha->flags) != 0) &&

drivers/scsi/qla4xxx/ql4_fw.h

@@ -673,17 +673,17 @@ struct flash_sys_info {
 };	/* 200 */
 
 struct mbx_sys_info {
-	uint8_t board_id_str[16];	/* Keep board ID string first */
+	uint8_t board_id_str[16];   /*  0-f  Keep board ID string first */
 				/* in this structure for GUI. */
-	uint16_t board_id;	/* board ID code */
+	uint16_t board_id;	/* 10-11 board ID code */
-	uint16_t phys_port_cnt;	/* number of physical network ports */
+	uint16_t phys_port_cnt;	/* 12-13 number of physical network ports */
-	uint16_t port_num;	/* network port for this PCI function */
+	uint16_t port_num;	/* 14-15 network port for this PCI function */
 				/* (port 0 is first port) */
-	uint8_t mac_addr[6];	/* MAC address for this PCI function */
+	uint8_t mac_addr[6];	/* 16-1b MAC address for this PCI function */
-	uint32_t iscsi_pci_func_cnt;	/* number of iSCSI PCI functions */
+	uint32_t iscsi_pci_func_cnt;  /* 1c-1f number of iSCSI PCI functions */
-	uint32_t pci_func;		/* this PCI function */
+	uint32_t pci_func;	      /* 20-23 this PCI function */
-	unsigned char serial_number[16];	/* serial number string */
+	unsigned char serial_number[16];  /* 24-33 serial number string */
-	uint8_t reserved[16];
+	uint8_t reserved[12];		  /* 34-3f */
 };
 
 struct crash_record {

drivers/scsi/qla4xxx/ql4_glbl.h

@@ -93,6 +93,7 @@ void qla4xxx_free_irqs(struct scsi_qla_host *ha);
 void qla4xxx_process_response_queue(struct scsi_qla_host *ha);
 void qla4xxx_wake_dpc(struct scsi_qla_host *ha);
 void qla4xxx_get_conn_event_log(struct scsi_qla_host *ha);
+void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha);
 
 void qla4_8xxx_pci_config(struct scsi_qla_host *);
 int qla4_8xxx_iospace_config(struct scsi_qla_host *ha);
@@ -131,6 +132,7 @@ void qla4_8xxx_idc_unlock(struct scsi_qla_host *ha);
 int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha);
 void qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha);
 void qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha);
+inline void qla4_8xxx_set_drv_active(struct scsi_qla_host *ha);
 
 extern int ql4xextended_error_logging;
 extern int ql4xdiscoverywait;

drivers/scsi/qla4xxx/ql4_init.c

@@ -308,7 +308,6 @@ static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
 			DEBUG2(printk("scsi%ld: %s: unable to get firmware "
 				      "state\n", ha->host_no, __func__));
 			break;
-
 		}
 
 		if (ha->firmware_state & FW_STATE_ERROR) {
@@ -445,6 +444,16 @@ static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
 {
 	int status = QLA_ERROR;
 
+	if (is_aer_supported(ha) &&
+	    test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
+		return status;
+
+	/* For 82xx, stop firmware before initializing because if BIOS
+	 * has previously initialized firmware, then driver's initialize
+	 * firmware will fail. */
+	if (is_qla8022(ha))
+		qla4_8xxx_stop_firmware(ha);
+
 	ql4_printk(KERN_INFO, ha, "Initializing firmware..\n");
 	if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) {
 		DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware "
@@ -669,7 +678,6 @@ static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
 	}
 
 	ddb_entry->fw_ddb_index = fw_ddb_index;
-	atomic_set(&ddb_entry->port_down_timer, ha->port_down_retry_count);
 	atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
 	atomic_set(&ddb_entry->relogin_timer, 0);
 	atomic_set(&ddb_entry->relogin_retry_count, 0);
@@ -1556,8 +1564,6 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 	/* Device is back online. */
 	if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
 		atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
-		atomic_set(&ddb_entry->port_down_timer,
-			   ha->port_down_retry_count);
 		atomic_set(&ddb_entry->relogin_retry_count, 0);
 		atomic_set(&ddb_entry->relogin_timer, 0);
 		clear_bit(DF_RELOGIN, &ddb_entry->flags);

drivers/scsi/qla4xxx/ql4_iocb.c

@@ -19,7 +19,7 @@ qla4xxx_space_in_req_ring(struct scsi_qla_host *ha, uint16_t req_cnt)
 
 	/* Calculate number of free request entries. */
 	if ((req_cnt + 2) >= ha->req_q_count) {
-		cnt = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out);
+		cnt = (uint16_t) ha->isp_ops->rd_shdw_req_q_out(ha);
 		if (ha->request_in < cnt)
 			ha->req_q_count = cnt - ha->request_in;
 		else

drivers/scsi/qla4xxx/ql4_isr.c

@@ -816,6 +816,9 @@ irqreturn_t qla4_8xxx_intr_handler(int irq, void *dev_id)
 	unsigned long flags = 0;
 	uint8_t reqs_count = 0;
 
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		return IRQ_HANDLED;
+
 	ha->isr_count++;
 	status = qla4_8xxx_rd_32(ha, ISR_INT_VECTOR);
 	if (!(status & ha->nx_legacy_intr.int_vec_bit))

drivers/scsi/qla4xxx/ql4_mbx.c

@@ -39,6 +39,22 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
 			      "pointer\n", ha->host_no, __func__));
 		return status;
 	}
+
+	if (is_qla8022(ha) &&
+	    test_bit(AF_FW_RECOVERY, &ha->flags)) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: prematurely "
+		    "completing mbx cmd as firmware recovery detected\n",
+		    ha->host_no, __func__));
+		return status;
+	}
+
+	if ((is_aer_supported(ha)) &&
+	    (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
+		DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
+		    "timeout MBX Exiting.\n", ha->host_no, __func__));
+		return status;
+	}
+
 	/* Mailbox code active */
 	wait_count = MBOX_TOV * 100;
 
@@ -150,6 +166,7 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
 		while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
 			if (time_after_eq(jiffies, wait_count))
 				break;
+
 			/*
 			 * Service the interrupt.
 			 * The ISR will save the mailbox status registers
@@ -196,6 +213,14 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
 
 	/* Check for mailbox timeout. */
 	if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
+		if (is_qla8022(ha) &&
+		    test_bit(AF_FW_RECOVERY, &ha->flags)) {
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+			    "scsi%ld: %s: prematurely completing mbx cmd as "
+			    "firmware recovery detected\n",
+			    ha->host_no, __func__));
+			goto mbox_exit;
+		}
 		DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
 			      " Scheduling Adapter Reset\n", ha->host_no,
 			      mbx_cmd[0]));
@@ -246,6 +271,28 @@ mbox_exit:
 	return status;
 }
 
+void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
+{
+	set_bit(AF_FW_RECOVERY, &ha->flags);
+	ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
+	    ha->host_no, __func__);
+
+	if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
+		if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
+			complete(&ha->mbx_intr_comp);
+			ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
+			    "recovery, doing premature completion of "
+			    "mbx cmd\n", ha->host_no, __func__);
+
+		} else {
+			set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
+			ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
+			    "recovery, doing premature completion of "
+			    "polling mbx cmd\n", ha->host_no, __func__);
+		}
+	}
+}
+
 static uint8_t
 qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 		 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
@@ -361,7 +408,6 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 	       min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 
 	/* Save Command Line Paramater info */
-	ha->port_down_retry_count = le16_to_cpu(init_fw_cb->conn_ka_timeout);
 	ha->discovery_wait = ql4xdiscoverywait;
 
 	if (ha->acb_version == ACB_SUPPORTED) {

drivers/scsi/qla4xxx/ql4_nx.c

@@ -1418,7 +1418,7 @@ static int qla4_8xxx_rcvpeg_ready(struct scsi_qla_host *ha)
 	return QLA_SUCCESS;
 }
 
-static inline void
+inline void
 qla4_8xxx_set_drv_active(struct scsi_qla_host *ha)
 {
 	uint32_t drv_active;
@@ -1441,11 +1441,15 @@ qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha)
 static inline int
 qla4_8xxx_need_reset(struct scsi_qla_host *ha)
 {
-	uint32_t drv_state;
+	uint32_t drv_state, drv_active;
 	int rval;
 
+	drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
 	drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
 	rval = drv_state & (1 << (ha->func_num * 4));
+	if ((test_bit(AF_EEH_BUSY, &ha->flags)) && drv_active)
+		rval = 1;
+
 	return rval;
 }
 
@@ -1949,7 +1953,8 @@ qla4_8xxx_get_fdt_info(struct scsi_qla_host *ha)
 	uint16_t cnt, chksum;
 	uint16_t *wptr;
 	struct qla_fdt_layout *fdt;
-	uint16_t mid, fid;
+	uint16_t mid = 0;
+	uint16_t fid = 0;
 	struct ql82xx_hw_data *hw = &ha->hw;
 
 	hw->flash_conf_off = FARX_ACCESS_FLASH_CONF;
@@ -2105,6 +2110,9 @@ qla4_8xxx_isp_reset(struct scsi_qla_host *ha)
 	qla4_8xxx_clear_rst_ready(ha);
 	qla4_8xxx_idc_unlock(ha);
 
+	if (rval == QLA_SUCCESS)
+		clear_bit(AF_FW_RECOVERY, &ha->flags);
+
 	return rval;
 }
 
@@ -2145,7 +2153,8 @@ int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha)
 		goto exit_validate_mac82;
 	}
 
-	if (mbox_sts[4] < sizeof(*sys_info)) {
+	/* Make sure we receive the minimum required data to cache internally */
+	if (mbox_sts[4] < offsetof(struct mbx_sys_info, reserved)) {
 		DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive"
 		    " error (%x)\n", ha->host_no, __func__, mbox_sts[4]));
 		goto exit_validate_mac82;

drivers/scsi/qla4xxx/ql4_os.c

@@ -163,10 +163,10 @@ static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session)
 	if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) {
 		atomic_set(&ddb_entry->state, DDB_STATE_DEAD);
 
-		DEBUG2(printk("scsi%ld: %s: ddb [%d] port down retry count "
+		DEBUG2(printk("scsi%ld: %s: ddb [%d] session recovery timeout "
 			      "of (%d) secs exhausted, marking device DEAD.\n",
 			      ha->host_no, __func__, ddb_entry->fw_ddb_index,
-			      ha->port_down_retry_count));
+			      QL4_SESS_RECOVERY_TMO));
 
 		qla4xxx_wake_dpc(ha);
 	}
@@ -298,7 +298,8 @@ int qla4xxx_add_sess(struct ddb_entry *ddb_entry)
 {
 	int err;
 
-	ddb_entry->sess->recovery_tmo = ddb_entry->ha->port_down_retry_count;
+	ddb_entry->sess->recovery_tmo = QL4_SESS_RECOVERY_TMO;
+
 	err = iscsi_add_session(ddb_entry->sess, ddb_entry->fw_ddb_index);
 	if (err) {
 		DEBUG2(printk(KERN_ERR "Could not add session.\n"));
@@ -474,6 +475,14 @@ static int qla4xxx_queuecommand(struct scsi_cmnd *cmd,
 	struct srb *srb;
 	int rval;
 
+	if (test_bit(AF_EEH_BUSY, &ha->flags)) {
+		if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
+			cmd->result = DID_NO_CONNECT << 16;
+		else
+			cmd->result = DID_REQUEUE << 16;
+		goto qc_fail_command;
+	}
+
 	if (!sess) {
 		cmd->result = DID_IMM_RETRY << 16;
 		goto qc_fail_command;
@@ -654,6 +663,13 @@ static void qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
 	uint32_t fw_heartbeat_counter, halt_status;
 
 	fw_heartbeat_counter = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+	/* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
+	if (fw_heartbeat_counter == 0xffffffff) {
+		DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
+		    "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
+		    ha->host_no, __func__));
+		return;
+	}
 
 	if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
 		ha->seconds_since_last_heartbeat++;
@@ -662,6 +678,7 @@ static void qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
 			ha->seconds_since_last_heartbeat = 0;
 			halt_status = qla4_8xxx_rd_32(ha,
 			    QLA82XX_PEG_HALT_STATUS1);
+
 			/* Since we cannot change dev_state in interrupt
 			 * context, set appropriate DPC flag then wakeup
 			 * DPC */
@@ -673,6 +690,7 @@ static void qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
 				set_bit(DPC_RESET_HA, &ha->dpc_flags);
 			}
 			qla4xxx_wake_dpc(ha);
+			qla4xxx_mailbox_premature_completion(ha);
 		}
 	}
 	ha->fw_heartbeat_counter = fw_heartbeat_counter;
@@ -698,6 +716,7 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
 			    ha->host_no, __func__);
 			set_bit(DPC_RESET_HA, &ha->dpc_flags);
 			qla4xxx_wake_dpc(ha);
+			qla4xxx_mailbox_premature_completion(ha);
 		} else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT &&
 		    !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
 			printk("scsi%ld: %s: HW State: NEED QUIES!\n",
@@ -719,6 +738,19 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
 {
 	struct ddb_entry *ddb_entry, *dtemp;
 	int start_dpc = 0;
+	uint16_t w;
+
+	/* If we are in the middle of AER/EEH processing
+	 * skip any processing and reschedule the timer
+	 */
+	if (test_bit(AF_EEH_BUSY, &ha->flags)) {
+		mod_timer(&ha->timer, jiffies + HZ);
+		return;
+	}
+
+	/* Hardware read to trigger an EEH error during mailbox waits. */
+	if (!pci_channel_offline(ha->pdev))
+		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
 
 	if (test_bit(AF_HBA_GOING_AWAY, &ha->flags)) {
 		DEBUG2(ql4_printk(KERN_INFO, ha, "%s exited. HBA GOING AWAY\n",
@@ -1207,7 +1239,13 @@ static void qla4xxx_do_dpc(struct work_struct *work)
 
 	/* Initialization not yet finished. Don't do anything yet. */
 	if (!test_bit(AF_INIT_DONE, &ha->flags))
-		return;
+		goto do_dpc_exit;
+
+	if (test_bit(AF_EEH_BUSY, &ha->flags)) {
+		DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
+		    ha->host_no, __func__, ha->flags));
+		goto do_dpc_exit;
+	}
 
 	/* HBA is in the process of being permanently disabled.
 	 * Don't process anything */
@@ -1346,6 +1384,8 @@ dpc_post_reset_ha:
 			}
 		}
 	}
+
+do_dpc_exit:
 	clear_bit(AF_DPC_SCHEDULED, &ha->flags);
 }
 
@@ -1612,6 +1652,8 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	ha->host = host;
 	ha->host_no = host->host_no;
 
+	pci_enable_pcie_error_reporting(pdev);
+
 	/* Setup Runtime configurable options */
 	if (is_qla8022(ha)) {
 		ha->isp_ops = &qla4_8xxx_isp_ops;
@@ -1630,6 +1672,10 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 		ha->isp_ops = &qla4xxx_isp_ops;
 	}
 
+	/* Set EEH reset type to fundamental if required by hba */
+	if (is_qla8022(ha))
+		pdev->needs_freset = 1;
+
 	/* Configure PCI I/O space. */
 	ret = ha->isp_ops->iospace_config(ha);
 	if (ret)
@@ -1726,6 +1772,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 		}
 	}
 
+	pci_save_state(ha->pdev);
 	ha->isp_ops->enable_intrs(ha);
 
 	/* Start timer thread. */
@@ -1752,6 +1799,7 @@ probe_failed:
 	qla4xxx_free_adapter(ha);
 
 probe_failed_ioconfig:
+	pci_disable_pcie_error_reporting(pdev);
 	scsi_host_put(ha->host);
 
 probe_disable_device:
@@ -1781,6 +1829,7 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
 
 	scsi_host_put(ha->host);
 
+	pci_disable_pcie_error_reporting(pdev);
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
 }
@@ -1877,6 +1926,17 @@ static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
 	int done = 0;
 	struct srb *rp;
 	uint32_t max_wait_time = EH_WAIT_CMD_TOV;
+	int ret = SUCCESS;
+
+	/* Dont wait on command if PCI error is being handled
+	 * by PCI AER driver
+	 */
+	if (unlikely(pci_channel_offline(ha->pdev)) ||
+	    (test_bit(AF_EEH_BUSY, &ha->flags))) {
+		ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
+		    ha->host_no, __func__);
+		return ret;
+	}
 
 	do {
 		/* Checking to see if its returned to OS */
@@ -2172,6 +2232,252 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	return return_status;
 }
 
+/* PCI AER driver recovers from all correctable errors w/o
+ * driver intervention. For uncorrectable errors PCI AER
+ * driver calls the following device driver's callbacks
+ *
+ * - Fatal Errors - link_reset
+ * - Non-Fatal Errors - driver's pci_error_detected() which
+ * returns CAN_RECOVER, NEED_RESET or DISCONNECT.
+ *
+ * PCI AER driver calls
+ * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled
+ *               returns RECOVERED or NEED_RESET if fw_hung
+ * NEED_RESET - driver's slot_reset()
+ * DISCONNECT - device is dead & cannot recover
+ * RECOVERED - driver's pci_resume()
+ */
+static pci_ers_result_t
+qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+	struct scsi_qla_host *ha = pci_get_drvdata(pdev);
+
+	ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
+	    ha->host_no, __func__, state);
+
+	if (!is_aer_supported(ha))
+		return PCI_ERS_RESULT_NONE;
+
+	switch (state) {
+	case pci_channel_io_normal:
+		clear_bit(AF_EEH_BUSY, &ha->flags);
+		return PCI_ERS_RESULT_CAN_RECOVER;
+	case pci_channel_io_frozen:
+		set_bit(AF_EEH_BUSY, &ha->flags);
+		qla4xxx_mailbox_premature_completion(ha);
+		qla4xxx_free_irqs(ha);
+		pci_disable_device(pdev);
+		return PCI_ERS_RESULT_NEED_RESET;
+	case pci_channel_io_perm_failure:
+		set_bit(AF_EEH_BUSY, &ha->flags);
+		set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
+		qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * qla4xxx_pci_mmio_enabled() gets called if
+ * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
+ * and read/write to the device still works.
+ **/
+static pci_ers_result_t
+qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
+{
+	struct scsi_qla_host *ha = pci_get_drvdata(pdev);
+
+	if (!is_aer_supported(ha))
+		return PCI_ERS_RESULT_NONE;
+
+	if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
+		ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: firmware hang  -- "
+		    "mmio_enabled\n", ha->host_no, __func__);
+		return PCI_ERS_RESULT_NEED_RESET;
+	} else
+		return PCI_ERS_RESULT_RECOVERED;
+}
+
+uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
+{
+	uint32_t rval = QLA_ERROR;
+	int fn;
+	struct pci_dev *other_pdev = NULL;
+
+	ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
+
+	set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
+
+	if (test_bit(AF_ONLINE, &ha->flags)) {
+		clear_bit(AF_ONLINE, &ha->flags);
+		qla4xxx_mark_all_devices_missing(ha);
+		qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
+		qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
+	}
+
+	fn = PCI_FUNC(ha->pdev->devfn);
+	while (fn > 0) {
+		fn--;
+		ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at "
+		    "func %x\n", ha->host_no, __func__, fn);
+		/* Get the pci device given the domain, bus,
+		 * slot/function number */
+		other_pdev =
+		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
+		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
+		    fn));
+
+		if (!other_pdev)
+			continue;
+
+		if (atomic_read(&other_pdev->enable_cnt)) {
+			ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI "
+			    "func in enabled state%x\n", ha->host_no,
+			    __func__, fn);
+			pci_dev_put(other_pdev);
+			break;
+		}
+		pci_dev_put(other_pdev);
+	}
+
+	/* The first function on the card, the reset owner will
+	 * start & initialize the firmware. The other functions
+	 * on the card will reset the firmware context
+	 */
+	if (!fn) {
+		ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
+		    "0x%x is the owner\n", ha->host_no, __func__,
+		    ha->pdev->devfn);
+
+		qla4_8xxx_idc_lock(ha);
+		qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+		    QLA82XX_DEV_COLD);
+
+		qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
+		    QLA82XX_IDC_VERSION);
+
+		qla4_8xxx_idc_unlock(ha);
+		clear_bit(AF_FW_RECOVERY, &ha->flags);
+		rval = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST);
+		qla4_8xxx_idc_lock(ha);
+
+		if (rval != QLA_SUCCESS) {
+			ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
+			    "FAILED\n", ha->host_no, __func__);
+			qla4_8xxx_clear_drv_active(ha);
+			qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+			    QLA82XX_DEV_FAILED);
+		} else {
+			ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
+			    "READY\n", ha->host_no, __func__);
+			qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+			    QLA82XX_DEV_READY);
+			/* Clear driver state register */
+			qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
+			qla4_8xxx_set_drv_active(ha);
+			ha->isp_ops->enable_intrs(ha);
+		}
+		qla4_8xxx_idc_unlock(ha);
+	} else {
+		ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
+		    "the reset owner\n", ha->host_no, __func__,
+		    ha->pdev->devfn);
+		if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
+		    QLA82XX_DEV_READY)) {
+			clear_bit(AF_FW_RECOVERY, &ha->flags);
+			rval = qla4xxx_initialize_adapter(ha,
+			    PRESERVE_DDB_LIST);
+			if (rval == QLA_SUCCESS)
+				ha->isp_ops->enable_intrs(ha);
+			qla4_8xxx_idc_lock(ha);
+			qla4_8xxx_set_drv_active(ha);
+			qla4_8xxx_idc_unlock(ha);
+		}
+	}
+	clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
+	return rval;
+}
+
+static pci_ers_result_t
+qla4xxx_pci_slot_reset(struct pci_dev *pdev)
+{
+	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
+	struct scsi_qla_host *ha = pci_get_drvdata(pdev);
+	int rc;
+
+	ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
+	    ha->host_no, __func__);
+
+	if (!is_aer_supported(ha))
+		return PCI_ERS_RESULT_NONE;
+
+	/* Restore the saved state of PCIe device -
+	 * BAR registers, PCI Config space, PCIX, MSI,
+	 * IOV states
+	 */
+	pci_restore_state(pdev);
+
+	/* pci_restore_state() clears the saved_state flag of the device
+	 * save restored state which resets saved_state flag
+	 */
+	pci_save_state(pdev);
+
+	/* Initialize device or resume if in suspended state */
+	rc = pci_enable_device(pdev);
+	if (rc) {
+		ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Cant re-enable "
+		    "device after reset\n", ha->host_no, __func__);
+		goto exit_slot_reset;
+	}
+
+	ret = qla4xxx_request_irqs(ha);
+	if (ret) {
+		ql4_printk(KERN_WARNING, ha, "Failed to reserve interrupt %d"
+		    " already in use.\n", pdev->irq);
+		goto exit_slot_reset;
+	}
+
+	if (is_qla8022(ha)) {
+		if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
+			ret = PCI_ERS_RESULT_RECOVERED;
+			goto exit_slot_reset;
+		} else
+			goto exit_slot_reset;
+	}
+
+exit_slot_reset:
+	ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
+	    "device after reset\n", ha->host_no, __func__, ret);
+	return ret;
+}
+
+static void
+qla4xxx_pci_resume(struct pci_dev *pdev)
+{
+	struct scsi_qla_host *ha = pci_get_drvdata(pdev);
+	int ret;
+
+	ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
+	    ha->host_no, __func__);
+
+	ret = qla4xxx_wait_for_hba_online(ha);
+	if (ret != QLA_SUCCESS) {
+		ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
+		    "resume I/O from slot/link_reset\n", ha->host_no,
+		     __func__);
+	}
+
+	pci_cleanup_aer_uncorrect_error_status(pdev);
+	clear_bit(AF_EEH_BUSY, &ha->flags);
+}
+
+static struct pci_error_handlers qla4xxx_err_handler = {
+	.error_detected = qla4xxx_pci_error_detected,
+	.mmio_enabled = qla4xxx_pci_mmio_enabled,
+	.slot_reset = qla4xxx_pci_slot_reset,
+	.resume = qla4xxx_pci_resume,
+};
+
 static struct pci_device_id qla4xxx_pci_tbl[] = {
 	{
 		.vendor		= PCI_VENDOR_ID_QLOGIC,
@@ -2206,6 +2512,7 @@ static struct pci_driver qla4xxx_pci_driver = {
 	.id_table	= qla4xxx_pci_tbl,
 	.probe		= qla4xxx_probe_adapter,
 	.remove		= qla4xxx_remove_adapter,
+	.err_handler = &qla4xxx_err_handler,
 };
 
 static int __init qla4xxx_module_init(void)

drivers/scsi/qla4xxx/ql4_version.h

@@ -5,4 +5,4 @@
  * See LICENSE.qla4xxx for copyright and licensing details.
  */
 
-#define QLA4XXX_DRIVER_VERSION	"5.02.00-k2"
+#define QLA4XXX_DRIVER_VERSION	"5.02.00-k3"

drivers/scsi/scsi_error.c

@@ -473,14 +473,17 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd)
 		 */
 		return SUCCESS;
 	case RESERVATION_CONFLICT:
-		/*
+		if (scmd->cmnd[0] == TEST_UNIT_READY)
-		 * let issuer deal with this, it could be just fine
+			/* it is a success, we probed the device and
-		 */
+			 * found it */
 			return SUCCESS;
+		/* otherwise, we failed to send the command */
+		return FAILED;
 	case QUEUE_FULL:
 		scsi_handle_queue_full(scmd->device);
 		/* fall through */
 	case BUSY:
+		return NEEDS_RETRY;
 	default:
 		return FAILED;
 	}

drivers/scsi/scsi_tgt_lib.c

@@ -185,6 +185,7 @@ static void scsi_tgt_cmd_destroy(struct work_struct *work)
 	dprintk("cmd %p %d %u\n", cmd, cmd->sc_data_direction,
 		rq_data_dir(cmd->request));
 	scsi_unmap_user_pages(tcmd);
+	tcmd->rq->bio = NULL;
 	scsi_host_put_command(scsi_tgt_cmd_to_host(cmd), cmd);
 }