1 files changed, 42 insertions, 3 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index bfe68545203f..7f2492e88be7 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -150,8 +150,6 @@
 #define QL4_SESS_RECOVERY_TMO           120     /* iSCSI session */
                                                 /* recovery timeout */
 
-#define MSB(x) ((uint8_t)((uint16_t)(x) >> 8))
-#define LSW(x) ((uint16_t)(x))
 #define LSDW(x) ((u32)((u64)(x)))
 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
 
@@ -223,6 +221,15 @@ struct srb {
         uint16_t reserved2;
 };
 
+/* Mailbox request block structure */
+struct mrb {
+        struct scsi_qla_host *ha;
+        struct mbox_cmd_iocb *mbox;
+        uint32_t mbox_cmd;
+        uint16_t iocb_cnt;              /* Number of used iocbs */
+        uint32_t pid;
+};
+
 /*
  * Asynchronous Event Queue structure
  */
@@ -265,7 +272,7 @@ struct ddb_entry {
                                            * retried */
         uint32_t default_time2wait;       /* Default Min time between
                                            * relogins (+aens) */
-
+        uint16_t chap_tbl_idx;
 };
 
 struct qla_ddb_index {
@@ -284,6 +291,7 @@ struct ql4_tuple_ddb {
         uint16_t options;
 #define DDB_OPT_IPV6 0x0e0e
 #define DDB_OPT_IPV4 0x0f0f
+        uint8_t isid[6];
 };
 
 /*
@@ -303,7 +311,28 @@ struct ql4_tuple_ddb {
 #define DF_ISNS_DISCOVERED      2       /* Device was discovered via iSNS */
 #define DF_FO_MASKED            3
 
+enum qla4_work_type {
+        QLA4_EVENT_AEN,
+        QLA4_EVENT_PING_STATUS,
+};
 
+struct qla4_work_evt {
+        struct list_head list;
+        enum qla4_work_type type;
+        union {
+                struct {
+                        enum iscsi_host_event_code code;
+                        uint32_t data_size;
+                        uint8_t data[0];
+                } aen;
+                struct {
+                        uint32_t status;
+                        uint32_t pid;
+                        uint32_t data_size;
+                        uint8_t data[0];
+                } ping;
+        } u;
+};
 
 struct ql82xx_hw_data {
         /* Offsets for flash/nvram access (set to ~0 if not used). */
@@ -657,6 +686,7 @@ struct scsi_qla_host {
         struct dma_pool *chap_dma_pool;
         uint8_t *chap_list; /* CHAP table cache */
         struct mutex  chap_sem;
+
 #define CHAP_DMA_BLOCK_SIZE    512
         struct workqueue_struct *task_wq;
         unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
@@ -674,6 +704,15 @@ struct scsi_qla_host {
         uint16_t sec_ddb_idx;
         int is_reset;
         uint16_t temperature;
+
+        /* event work list */
+        struct list_head work_list;
+        spinlock_t work_lock;
+
+        /* mbox iocb */
+#define MAX_MRB         128
+        struct mrb *active_mrb_array[MAX_MRB];
+        uint32_t mrb_index;
 };
 
 struct ql4_task_data {