[SCSI] qla2xxx: Add IOCB Abort command asynchronous handling.

Send aborts to the firmware via the request/response queue mechanism.

Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index dcd084a..e665e81 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -330,6 +330,7 @@ qla24xx_get_isp_stats(scsi_qla_host_t *, struct link_statistics *,
     dma_addr_t);
 
 extern int qla24xx_abort_command(srb_t *);
+extern int qla24xx_async_abort_command(srb_t *);
 extern int
 qla24xx_abort_target(struct fc_port *, unsigned int, int);
 extern int
@@ -604,7 +605,6 @@ extern char *qlafx00_fw_version_str(struct scsi_qla_host *, char *);
 extern irqreturn_t qlafx00_intr_handler(int, void *);
 extern void qlafx00_enable_intrs(struct qla_hw_data *);
 extern void qlafx00_disable_intrs(struct qla_hw_data *);
-extern int qlafx00_abort_command(srb_t *);
 extern int qlafx00_abort_target(fc_port_t *, unsigned int, int);
 extern int qlafx00_lun_reset(fc_port_t *, unsigned int, int);
 extern int qlafx00_start_scsi(srb_t *);

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 2724842..0a25e8b 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -347,6 +347,94 @@ done:
        return rval;
 }
 
+static void
+qla24xx_abort_iocb_timeout(void *data)
+{
+       srb_t *sp = (srb_t *)data;
+       struct srb_iocb *abt = &sp->u.iocb_cmd;
+
+       abt->u.abt.comp_status = CS_TIMEOUT;
+       complete(&abt->u.abt.comp);
+}
+
+static void
+qla24xx_abort_sp_done(void *data, void *ptr, int res)
+{
+       srb_t *sp = (srb_t *)ptr;
+       struct srb_iocb *abt = &sp->u.iocb_cmd;
+
+       complete(&abt->u.abt.comp);
+}
+
+static int
+qla24xx_async_abort_cmd(srb_t *cmd_sp)
+{
+       scsi_qla_host_t *vha = cmd_sp->fcport->vha;
+       fc_port_t *fcport = cmd_sp->fcport;
+       struct srb_iocb *abt_iocb;
+       srb_t *sp;
+       int rval = QLA_FUNCTION_FAILED;
+
+       sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+       if (!sp)
+               goto done;
+
+       abt_iocb = &sp->u.iocb_cmd;
+       sp->type = SRB_ABT_CMD;
+       sp->name = "abort";
+       qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
+       abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
+       sp->done = qla24xx_abort_sp_done;
+       abt_iocb->timeout = qla24xx_abort_iocb_timeout;
+       init_completion(&abt_iocb->u.abt.comp);
+
+       rval = qla2x00_start_sp(sp);
+       if (rval != QLA_SUCCESS)
+               goto done_free_sp;
+
+       ql_dbg(ql_dbg_async, vha, 0x507c,
+           "Abort command issued - hdl=%x, target_id=%x\n",
+           cmd_sp->handle, fcport->tgt_id);
+
+       wait_for_completion(&abt_iocb->u.abt.comp);
+
+       rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
+           QLA_SUCCESS : QLA_FUNCTION_FAILED;
+
+done_free_sp:
+       sp->free(vha, sp);
+done:
+       return rval;
+}
+
+int
+qla24xx_async_abort_command(srb_t *sp)
+{
+       unsigned long   flags = 0;
+
+       uint32_t        handle;
+       fc_port_t       *fcport = sp->fcport;
+       struct scsi_qla_host *vha = fcport->vha;
+       struct qla_hw_data *ha = vha->hw;
+       struct req_que *req = vha->req;
+
+       spin_lock_irqsave(&ha->hardware_lock, flags);
+       for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
+               if (req->outstanding_cmds[handle] == sp)
+                       break;
+       }
+       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+       if (handle == req->num_outstanding_cmds) {
+               /* Command not found. */
+               return QLA_FUNCTION_FAILED;
+       }
+       if (sp->type == SRB_FXIOCB_DCMD)
+               return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
+                   FXDISC_ABORT_IOCTL);
+
+       return qla24xx_async_abort_cmd(sp);
+}
+
 void
 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 0aad5e4..8c5dec2 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2585,6 +2585,29 @@ queuing_error:
        return QLA_FUNCTION_FAILED;
 }
 
+void
+qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb)
+{
+       struct srb_iocb *aio = &sp->u.iocb_cmd;
+       scsi_qla_host_t *vha = sp->fcport->vha;
+       struct req_que *req = vha->req;
+
+       memset(abt_iocb, 0, sizeof(struct abort_entry_24xx));
+       abt_iocb->entry_type = ABORT_IOCB_TYPE;
+       abt_iocb->entry_count = 1;
+       abt_iocb->handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
+       abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+       abt_iocb->handle_to_abort =
+           cpu_to_le32(MAKE_HANDLE(req->id, aio->u.abt.cmd_hndl));
+       abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
+       abt_iocb->port_id[1] = sp->fcport->d_id.b.area;
+       abt_iocb->port_id[2] = sp->fcport->d_id.b.domain;
+       abt_iocb->vp_index = vha->vp_idx;
+       abt_iocb->req_que_no = cpu_to_le16(req->id);
+       /* Send the command to the firmware */
+       wmb();
+}
+
 int
 qla2x00_start_sp(srb_t *sp)
 {
@@ -2638,7 +2661,9 @@ qla2x00_start_sp(srb_t *sp)
                qlafx00_fxdisc_iocb(sp, pkt);
                break;
        case SRB_ABT_CMD:
-               qlafx00_abort_iocb(sp, pkt);
+               IS_QLAFX00(ha) ?
+                       qlafx00_abort_iocb(sp, pkt) :
+                       qla24xx_abort_iocb(sp, pkt);
                break;
        default:
                break;

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 293dbd5..95314ef 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2428,6 +2428,23 @@ qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
        }
 }
 
+static void
+qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
+       struct abort_entry_24xx *pkt)
+{
+       const char func[] = "ABT_IOCB";
+       srb_t *sp;
+       struct srb_iocb *abt;
+
+       sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
+       if (!sp)
+               return;
+
+       abt = &sp->u.iocb_cmd;
+       abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
+       sp->done(vha, sp, 0);
+}
+
 /**
  * qla24xx_process_response_queue() - Process response queue entries.
  * @ha: SCSI driver HA context
@@ -2496,6 +2513,10 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
                         * from falling into default case
                         */
                        break;
+               case ABORT_IOCB_TYPE:
+                       qla24xx_abort_iocb_entry(vha, rsp->req,
+                           (struct abort_entry_24xx *)pkt);
+                       break;
                default:
                        /* Type Not Supported. */
                        ql_dbg(ql_dbg_async, vha, 0x5042,

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index b4f7cd5..2528709 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2597,6 +2597,9 @@ qla24xx_abort_command(srb_t *sp)
        ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108c,
            "Entered %s.\n", __func__);
 
+       if (ql2xasynctmfenable)
+               return qla24xx_async_abort_command(sp);
+
        spin_lock_irqsave(&ha->hardware_lock, flags);
        for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
                if (req->outstanding_cmds[handle] == sp)

diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index 165db12..0aaf6a9 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -1962,94 +1962,6 @@ done:
        return rval;
 }
 
-static void
-qlafx00_abort_iocb_timeout(void *data)
-{
-       srb_t *sp = (srb_t *)data;
-       struct srb_iocb *abt = &sp->u.iocb_cmd;
-
-       abt->u.abt.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
-       complete(&abt->u.abt.comp);
-}
-
-static void
-qlafx00_abort_sp_done(void *data, void *ptr, int res)
-{
-       srb_t *sp = (srb_t *)ptr;
-       struct srb_iocb *abt = &sp->u.iocb_cmd;
-
-       complete(&abt->u.abt.comp);
-}
-
-static int
-qlafx00_async_abt_cmd(srb_t *cmd_sp)
-{
-       scsi_qla_host_t *vha = cmd_sp->fcport->vha;
-       fc_port_t *fcport = cmd_sp->fcport;
-       struct srb_iocb *abt_iocb;
-       srb_t *sp;
-       int rval = QLA_FUNCTION_FAILED;
-
-       sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
-       if (!sp)
-               goto done;
-
-       abt_iocb = &sp->u.iocb_cmd;
-       sp->type = SRB_ABT_CMD;
-       sp->name = "abort";
-       qla2x00_init_timer(sp, FXDISC_TIMEOUT);
-       abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
-       sp->done = qlafx00_abort_sp_done;
-       abt_iocb->timeout = qlafx00_abort_iocb_timeout;
-       init_completion(&abt_iocb->u.abt.comp);
-
-       rval = qla2x00_start_sp(sp);
-       if (rval != QLA_SUCCESS)
-               goto done_free_sp;
-
-       ql_dbg(ql_dbg_async, vha, 0x507c,
-           "Abort command issued - hdl=%x, target_id=%x\n",
-           cmd_sp->handle, fcport->tgt_id);
-
-       wait_for_completion(&abt_iocb->u.abt.comp);
-
-       rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
-           QLA_SUCCESS : QLA_FUNCTION_FAILED;
-
-done_free_sp:
-       sp->free(vha, sp);
-done:
-       return rval;
-}
-
-int
-qlafx00_abort_command(srb_t *sp)
-{
-       unsigned long   flags = 0;
-
-       uint32_t        handle;
-       fc_port_t       *fcport = sp->fcport;
-       struct scsi_qla_host *vha = fcport->vha;
-       struct qla_hw_data *ha = vha->hw;
-       struct req_que *req = vha->req;
-
-       spin_lock_irqsave(&ha->hardware_lock, flags);
-       for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
-               if (req->outstanding_cmds[handle] == sp)
-                       break;
-       }
-       spin_unlock_irqrestore(&ha->hardware_lock, flags);
-       if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
-               /* Command not found. */
-               return QLA_FUNCTION_FAILED;
-       }
-       if (sp->type == SRB_FXIOCB_DCMD)
-               return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
-                   FXDISC_ABORT_IOCTL);
-
-       return qlafx00_async_abt_cmd(sp);
-}
-
 /*
  * qlafx00_initialize_adapter
  *      Initialize board.

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 7b54e0a..5feed53 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2078,7 +2078,7 @@ static struct isp_operations qlafx00_isp_ops = {
        .intr_handler           = qlafx00_intr_handler,
        .enable_intrs           = qlafx00_enable_intrs,
        .disable_intrs          = qlafx00_disable_intrs,
-       .abort_command          = qlafx00_abort_command,
+       .abort_command          = qla24xx_async_abort_command,
        .target_reset           = qlafx00_abort_target,
        .lun_reset              = qlafx00_lun_reset,
        .fabric_login           = NULL,