diff options
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 22 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 73 |
4 files changed, 102 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index f70c78b6f364..35c730a3f0da 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2115,6 +2115,26 @@ struct qla_msix_entry { #define WATCH_INTERVAL 1 /* number of seconds */ +/* Work events. */ +enum qla_work_type { + QLA_EVT_AEN, +}; + + +struct qla_work_evt { + struct list_head list; + enum qla_work_type type; + u32 flags; +#define QLA_EVT_FLAG_FREE 0x1 + + union { + struct { + enum fc_host_event_code code; + u32 data; + } aen; + } u; +}; + /* * Linux Host Adapter structure */ @@ -2354,6 +2374,8 @@ typedef struct scsi_qla_host { uint32_t login_retry_count; int max_q_depth; + struct list_head work_list; + /* Fibre Channel Device List. */ struct list_head fcports; diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 97625d49a43c..ee52f3e51cc6 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -67,6 +67,8 @@ extern int num_hosts; extern int qla2x00_loop_reset(scsi_qla_host_t *); extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int); +extern int qla2x00_post_aen_work(struct scsi_qla_host *, enum + fc_host_event_code, u32); /* * Global Functions in qla_mid.c source file. diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 4e9f41034466..e9d8a79dd6a4 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -408,6 +408,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); ha->flags.management_server_logged_in = 0; + qla2x00_post_aen_work(ha, FCH_EVT_LIP, mb[1]); break; case MBA_LOOP_UP: /* Loop Up Event */ @@ -427,6 +428,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) link_speed); ha->flags.management_server_logged_in = 0; + qla2x00_post_aen_work(ha, FCH_EVT_LINKUP, ha->link_data_rate); break; case MBA_LOOP_DOWN: /* Loop Down Event */ @@ -450,6 +452,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) ha->link_data_rate = PORT_SPEED_UNKNOWN; if (ql2xfdmienable) set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); + qla2x00_post_aen_work(ha, FCH_EVT_LINKDOWN, 0); break; case MBA_LIP_RESET: /* LIP reset occurred */ @@ -473,6 +476,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) ha->operating_mode = LOOP; ha->flags.management_server_logged_in = 0; + qla2x00_post_aen_work(ha, FCH_EVT_LIPRESET, mb[1]); break; case MBA_POINT_TO_POINT: /* Point-to-Point */ @@ -610,6 +614,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); set_bit(RSCN_UPDATE, &ha->dpc_flags); + qla2x00_post_aen_work(ha, FCH_EVT_RSCN, rscn_entry); break; /* case MBA_RIO_RESPONSE: */ diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 661a1596679d..eb77067533ab 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1704,6 +1704,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) INIT_LIST_HEAD(&ha->list); INIT_LIST_HEAD(&ha->fcports); INIT_LIST_HEAD(&ha->vp_list); + INIT_LIST_HEAD(&ha->work_list); set_bit(0, (unsigned long *) ha->vp_idx_map); @@ -2197,6 +2198,76 @@ qla2x00_mem_free(scsi_qla_host_t *ha) kfree(ha->nvram); } +struct qla_work_evt * +qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type, + int locked) +{ + struct qla_work_evt *e; + + e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC: + GFP_KERNEL); + if (!e) + return NULL; + + INIT_LIST_HEAD(&e->list); + e->type = type; + e->flags = QLA_EVT_FLAG_FREE; + return e; +} + +int +qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked) +{ + unsigned long flags; + + if (!locked) + spin_lock_irqsave(&ha->hardware_lock, flags); + list_add_tail(&e->list, &ha->work_list); + qla2xxx_wake_dpc(ha); + if (!locked) + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return QLA_SUCCESS; +} + +int +qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code, + u32 data) +{ + struct qla_work_evt *e; + + e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1); + if (!e) + return QLA_FUNCTION_FAILED; + + e->u.aen.code = code; + e->u.aen.data = data; + return qla2x00_post_work(ha, e, 1); +} + +static void +qla2x00_do_work(struct scsi_qla_host *ha) +{ + struct qla_work_evt *e; + + spin_lock_irq(&ha->hardware_lock); + while (!list_empty(&ha->work_list)) { + e = list_entry(ha->work_list.next, struct qla_work_evt, list); + list_del_init(&e->list); + spin_unlock_irq(&ha->hardware_lock); + + switch (e->type) { + case QLA_EVT_AEN: + fc_host_post_event(ha->host, fc_get_event_number(), + e->u.aen.code, e->u.aen.data); + break; + } + if (e->flags & QLA_EVT_FLAG_FREE) + kfree(e); + spin_lock_irq(&ha->hardware_lock); + } + spin_unlock_irq(&ha->hardware_lock); +} + /************************************************************************** * qla2x00_do_dpc * This kernel thread is a task that is schedule by the interrupt handler @@ -2248,6 +2319,8 @@ qla2x00_do_dpc(void *data) continue; } + qla2x00_do_work(ha); + if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { DEBUG(printk("scsi(%ld): dpc: sched " |