Merge branch 'svn-trunk'

This commit is contained in:
Bart Van Assche
2019-04-14 13:11:57 -07:00
5 changed files with 48 additions and 59 deletions
+1 -1
View File
@@ -559,7 +559,7 @@ typedef struct srb {
u32 gen2; /* scratch */
int rc;
int retry_count;
struct completion comp;
struct completion *comp;
union {
struct srb_iocb iocb_cmd;
#ifndef NEW_LIBFC_API
-1
View File
@@ -302,7 +302,6 @@ qla2x00_init_timer(srb_t *sp, unsigned long tmo)
timer_setup(&sp->u.iocb_cmd.timer, qla2x00_sp_timeout, 0);
sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ;
sp->free = qla2x00_sp_free;
init_completion(&sp->comp);
if (IS_QLAFX00(sp->vha->hw) && (sp->type == SRB_FXIOCB_DCMD))
init_completion(&sp->u.iocb_cmd.u.fxiocb.fxiocb_comp);
add_timer(&sp->u.iocb_cmd.timer);
+7 -2
View File
@@ -905,7 +905,8 @@ static void qla_ctrlvp_sp_done(void *s, int res)
{
struct srb *sp = s;
complete(&sp->comp);
if (sp->comp)
complete(sp->comp);
/* don't free sp here. Let the caller do the free */
}
@@ -922,6 +923,7 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
struct qla_hw_data *ha = vha->hw;
int vp_index = vha->vp_idx;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
DECLARE_COMPLETION_ONSTACK(comp);
srb_t *sp;
ql_dbg(ql_dbg_vport, vha, 0x10c1,
@@ -936,6 +938,7 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
sp->type = SRB_CTRL_VP;
sp->name = "ctrl_vp";
sp->comp = ∁
sp->done = qla_ctrlvp_sp_done;
sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
@@ -953,7 +956,9 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
ql_dbg(ql_dbg_vport, vha, 0x113f, "%s hndl %x submitted\n",
sp->name, sp->handle);
wait_for_completion(&sp->comp);
wait_for_completion(&comp);
sp->comp = NULL;
rval = sp->rc;
switch (rval) {
case QLA_FUNCTION_TIMEOUT:
+4 -3
View File
@@ -145,8 +145,7 @@ static void qla_nvme_sp_ls_done(void *ptr, int res)
if (WARN_ON(atomic_read(&sp->ref_count) == 0))
return;
if (!atomic_dec_and_test(&sp->ref_count))
return;
atomic_dec(&sp->ref_count);
if (res)
res = -EINVAL;
@@ -169,9 +168,11 @@ static void qla_nvme_sp_done(void *ptr, int res)
nvme = &sp->u.iocb_cmd;
fd = nvme->u.nvme.desc;
if (!atomic_dec_and_test(&sp->ref_count))
if (WARN_ON(atomic_read(&sp->ref_count) == 0))
return;
atomic_dec(&sp->ref_count);
if (res == QLA_SUCCESS) {
fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len;
} else {
+36 -52
View File
@@ -804,16 +804,18 @@ qla2x00_sp_compl(void *ptr, int res)
{
srb_t *sp = ptr;
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
struct completion *comp = sp->comp;
if (WARN_ON(atomic_read(&sp->ref_count) == 0))
return;
if (!atomic_dec_and_test(&sp->ref_count))
return;
atomic_dec(&sp->ref_count);
sp->free(sp);
cmd->result = res;
cmd->scsi_done(cmd);
if (comp)
complete(comp);
}
void
@@ -907,17 +909,17 @@ qla2xxx_qpair_sp_compl(void *ptr, int res)
{
srb_t *sp = ptr;
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
cmd->result = res;
struct completion *comp = sp->comp;
if (WARN_ON(atomic_read(&sp->ref_count) == 0))
return;
if (!atomic_dec_and_test(&sp->ref_count))
return;
atomic_dec(&sp->ref_count);
sp->free(sp);
cmd->scsi_done(cmd);
if (comp)
complete(comp);
}
#if defined(RHEL_MAJOR) && RHEL_MAJOR -0 == 6 && RHEL_MINOR -0 >= 2
@@ -1378,12 +1380,13 @@ static int
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *vha = shost_priv(cmd->device->host);
DECLARE_COMPLETION_ONSTACK(comp);
srb_t *sp;
int ret;
unsigned int id;
uint64_t lun;
unsigned long flags;
int rval, wait = 0;
int rval;
struct qla_hw_data *ha = vha->hw;
struct qla_qpair *qpair;
@@ -1407,9 +1410,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
return SUCCESS;
spin_lock_irqsave(qpair->qp_lock_ptr, flags);
if (!CMD_SP(cmd)) {
/* there's a chance an interrupt could clear
the ptr as part of done & free */
if (sp->type != SRB_SCSI_CMD || GET_CMD_SP(sp) != cmd) {
spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return SUCCESS;
}
@@ -1430,56 +1431,39 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
/* Get a reference to the sp and drop the lock.*/
ret = SUCCESS;
rval = ha->isp_ops->abort_command(sp);
if (rval) {
if (rval == QLA_FUNCTION_PARAMETER_ERROR)
ret = SUCCESS;
else
ret = FAILED;
ql_dbg(ql_dbg_taskm, vha, 0x8003,
"Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
ql_dbg(ql_dbg_taskm, vha, 0x8003,
"Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
} else {
ql_dbg(ql_dbg_taskm, vha, 0x8004,
"Abort command mbx success cmd=%p.\n", cmd);
wait = 1;
}
switch (rval) {
case QLA_SUCCESS:
/* The command has been aborted. */
sp->done(sp, DID_ABORT << 16);
break;
case QLA_FUNCTION_PARAMETER_ERROR:
default: {
/* Wait for the command completion. */
uint32_t ratov = ha->r_a_tov/10;
uint32_t ratov_j = msecs_to_jiffies(4 * ratov * 1000);
spin_lock_irqsave(qpair->qp_lock_ptr, flags);
/*
* Clear the slot in the oustanding_cmds array if we can't find the
* command to reclaim the resources.
*/
if (rval == QLA_FUNCTION_PARAMETER_ERROR)
vha->req->outstanding_cmds[sp->handle] = NULL;
/*
* sp->done will do ref_count--
* sp_get() took an extra count above
*/
sp->done(sp, DID_RESET << 16);
/* Did the command return during mailbox execution? */
if (ret == FAILED && !CMD_SP(cmd))
ret = SUCCESS;
if (!CMD_SP(cmd))
wait = 0;
spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
/* Wait for the command to be returned. */
if (wait) {
if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x8006,
"Abort handler timed out cmd=%p.\n", cmd);
sp->comp = &comp;
if (!wait_for_completion_timeout(&comp, ratov_j)) {
ql_dbg(ql_dbg_taskm, vha, 0xffff,
"%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
__func__, ha->r_a_tov);
ret = FAILED;
break;
}
break;
}
}
sp->comp = NULL;
atomic_dec(&sp->ref_count);
ql_log(ql_log_info, vha, 0x801c,
"Abort command issued nexus=%ld:%d:%llu -- %d %x.\n",
vha->host_no, id, lun, wait, ret);
"Abort command issued nexus=%ld:%d:%llu -- %x.\n",
vha->host_no, id, lun, ret);
return ret;
}