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scsi: qla2xxx: Cleanup FC-NVMe code
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This patch does not change any functionality.

Following cleanups have been done as requested by reviewer

- Changed waitQ --> waitq
- Collapsed multiple debug statements into single
- Remove extra parentheses in if-else as per operator precedence
- Remove unnecessary casting

Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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himanshu.madhani@cavium.com authored and Martin K. Petersen committed Aug 7, 2017
1 parent e14a396 commit 6fcd98f
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Showing 3 changed files with 33 additions and 40 deletions.
6 changes: 3 additions & 3 deletions drivers/scsi/qla2xxx/qla_def.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -470,7 +470,7 @@ typedef struct srb {
uint8_t cmd_type;
uint8_t pad[3];
atomic_t ref_count;
wait_queue_head_t nvme_ls_waitQ;
wait_queue_head_t nvme_ls_waitq;
struct fc_port *fcport;
struct scsi_qla_host *vha;
uint32_t handle;
Expand Down Expand Up @@ -2302,7 +2302,7 @@ typedef struct fc_port {

struct work_struct nvme_del_work;
atomic_t nvme_ref_count;
wait_queue_head_t nvme_waitQ;
wait_queue_head_t nvme_waitq;
uint32_t nvme_prli_service_param;
#define NVME_PRLI_SP_CONF BIT_7
#define NVME_PRLI_SP_INITIATOR BIT_5
Expand Down Expand Up @@ -4130,7 +4130,7 @@ typedef struct scsi_qla_host {

struct nvme_fc_local_port *nvme_local_port;
atomic_t nvme_ref_count;
wait_queue_head_t nvme_waitQ;
wait_queue_head_t nvme_waitq;
struct list_head nvme_rport_list;
atomic_t nvme_active_aen_cnt;
uint16_t nvme_last_rptd_aen;
Expand Down
61 changes: 27 additions & 34 deletions drivers/scsi/qla2xxx/qla_nvme.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -77,15 +77,15 @@ int qla_nvme_register_remote(scsi_qla_host_t *vha, fc_port_t *fcport)
fcport->nvme_remote_port->private = fcport;
fcport->nvme_flag |= NVME_FLAG_REGISTERED;
atomic_set(&fcport->nvme_ref_count, 1);
init_waitqueue_head(&fcport->nvme_waitQ);
init_waitqueue_head(&fcport->nvme_waitq);
rport->fcport = fcport;
list_add_tail(&rport->list, &vha->nvme_rport_list);
return 0;
}

/* Allocate a queue for NVMe traffic */
static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport, unsigned int qidx,
u16 qsize, void **handle)
static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport,
unsigned int qidx, u16 qsize, void **handle)
{
struct scsi_qla_host *vha;
struct qla_hw_data *ha;
Expand Down Expand Up @@ -193,13 +193,11 @@ static void qla_nvme_ls_abort(struct nvme_fc_local_port *lport,
struct qla_hw_data *ha = fcport->vha->hw;

rval = ha->isp_ops->abort_command(sp);
if (rval != QLA_SUCCESS)
ql_log(ql_log_warn, fcport->vha, 0x2125,
"%s: failed to abort LS command for SP:%p rval=%x\n",
__func__, sp, rval);

ql_dbg(ql_dbg_io, fcport->vha, 0x212b,
"%s: aborted sp:%p on fcport:%p\n", __func__, sp, fcport);
"%s: %s LS command for sp=%p on fcport=%p rval=%x\n", __func__,
(rval != QLA_SUCCESS) ? "Failed to abort" : "Aborted",
sp, fcport, rval);
}

static void qla_nvme_ls_complete(struct work_struct *work)
Expand All @@ -214,7 +212,7 @@ static void qla_nvme_ls_complete(struct work_struct *work)
static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd)
{
fc_port_t *fcport = (fc_port_t *)rport->private;
fc_port_t *fcport = rport->private;
struct srb_iocb *nvme;
struct nvme_private *priv = fd->private;
struct scsi_qla_host *vha;
Expand All @@ -236,7 +234,7 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
sp->name = "nvme_ls";
sp->done = qla_nvme_sp_ls_done;
atomic_set(&sp->ref_count, 1);
init_waitqueue_head(&sp->nvme_ls_waitQ);
init_waitqueue_head(&sp->nvme_ls_waitq);
nvme = &sp->u.iocb_cmd;
priv->sp = sp;
priv->fd = fd;
Expand All @@ -258,7 +256,7 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
ql_log(ql_log_warn, vha, 0x700e,
"qla2x00_start_sp failed = %d\n", rval);
atomic_dec(&sp->ref_count);
wake_up(&sp->nvme_ls_waitQ);
wake_up(&sp->nvme_ls_waitq);
return rval;
}

Expand All @@ -276,20 +274,18 @@ static void qla_nvme_fcp_abort(struct nvme_fc_local_port *lport,
struct qla_hw_data *ha = fcport->vha->hw;

rval = ha->isp_ops->abort_command(sp);
if (!rval)
ql_log(ql_log_warn, fcport->vha, 0x2127,
"%s: failed to abort command for SP:%p rval=%x\n",
__func__, sp, rval);

ql_dbg(ql_dbg_io, fcport->vha, 0x2126,
"%s: aborted sp:%p on fcport:%p\n", __func__, sp, fcport);
ql_dbg(ql_dbg_io, fcport->vha, 0x2127,
"%s: %s command for sp=%p on fcport=%p rval=%x\n", __func__,
(rval != QLA_SUCCESS) ? "Failed to abort" : "Aborted",
sp, fcport, rval);
}

static void qla_nvme_poll(struct nvme_fc_local_port *lport, void *hw_queue_handle)
{
struct scsi_qla_host *vha = lport->private;
unsigned long flags;
struct qla_qpair *qpair = (struct qla_qpair *)hw_queue_handle;
struct qla_qpair *qpair = hw_queue_handle;

/* Acquire ring specific lock */
spin_lock_irqsave(&qpair->qp_lock, flags);
Expand Down Expand Up @@ -487,7 +483,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
struct scsi_qla_host *vha;
int rval = QLA_FUNCTION_FAILED;
srb_t *sp;
struct qla_qpair *qpair = (struct qla_qpair *)hw_queue_handle;
struct qla_qpair *qpair = hw_queue_handle;
struct nvme_private *priv;

if (!fd) {
Expand All @@ -496,7 +492,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
}

priv = fd->private;
fcport = (fc_port_t *)rport->private;
fcport = rport->private;
if (!fcport) {
ql_log(ql_log_warn, NULL, 0x210e, "No fcport ptr\n");
return rval;
Expand All @@ -512,7 +508,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
return -EIO;

atomic_set(&sp->ref_count, 1);
init_waitqueue_head(&sp->nvme_ls_waitQ);
init_waitqueue_head(&sp->nvme_ls_waitq);
priv->sp = sp;
sp->type = SRB_NVME_CMD;
sp->name = "nvme_cmd";
Expand All @@ -526,7 +522,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
ql_log(ql_log_warn, vha, 0x212d,
"qla2x00_start_nvme_mq failed = %d\n", rval);
atomic_dec(&sp->ref_count);
wake_up(&sp->nvme_ls_waitQ);
wake_up(&sp->nvme_ls_waitq);
return -EIO;
}

Expand All @@ -538,7 +534,7 @@ static void qla_nvme_localport_delete(struct nvme_fc_local_port *lport)
struct scsi_qla_host *vha = lport->private;

atomic_dec(&vha->nvme_ref_count);
wake_up_all(&vha->nvme_waitQ);
wake_up_all(&vha->nvme_waitq);

ql_log(ql_log_info, vha, 0x210f,
"localport delete of %p completed.\n", vha->nvme_local_port);
Expand All @@ -550,11 +546,11 @@ static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport)
fc_port_t *fcport;
struct nvme_rport *r_port, *trport;

fcport = (fc_port_t *)rport->private;
fcport = rport->private;
fcport->nvme_remote_port = NULL;
fcport->nvme_flag &= ~NVME_FLAG_REGISTERED;
atomic_dec(&fcport->nvme_ref_count);
wake_up_all(&fcport->nvme_waitQ);
wake_up_all(&fcport->nvme_waitq);

list_for_each_entry_safe(r_port, trport,
&fcport->vha->nvme_rport_list, list) {
Expand Down Expand Up @@ -594,7 +590,7 @@ static int qla_nvme_wait_on_command(srb_t *sp)
{
int ret = QLA_SUCCESS;

wait_event_timeout(sp->nvme_ls_waitQ, (atomic_read(&sp->ref_count) > 1),
wait_event_timeout(sp->nvme_ls_waitq, (atomic_read(&sp->ref_count) > 1),
NVME_ABORT_POLLING_PERIOD*HZ);

if (atomic_read(&sp->ref_count) > 1)
Expand All @@ -607,7 +603,7 @@ static int qla_nvme_wait_on_rport_del(fc_port_t *fcport)
{
int ret = QLA_SUCCESS;

wait_event_timeout(fcport->nvme_waitQ,
wait_event_timeout(fcport->nvme_waitq,
atomic_read(&fcport->nvme_ref_count),
NVME_ABORT_POLLING_PERIOD*HZ);

Expand All @@ -625,12 +621,9 @@ void qla_nvme_abort(struct qla_hw_data *ha, srb_t *sp)
int rval;

rval = ha->isp_ops->abort_command(sp);
if (!rval) {
if (!qla_nvme_wait_on_command(sp))
ql_log(ql_log_warn, NULL, 0x2112,
"nvme_wait_on_command timed out waiting on sp=%p\n",
sp);
}
if (!rval && !qla_nvme_wait_on_command(sp))
ql_log(ql_log_warn, NULL, 0x2112,
"nvme_wait_on_comand timed out waiting on sp=%p\n", sp);
}

static void qla_nvme_abort_all(fc_port_t *fcport)
Expand Down Expand Up @@ -757,5 +750,5 @@ void qla_nvme_register_hba(scsi_qla_host_t *vha)
}
atomic_set(&vha->nvme_ref_count, 1);
vha->nvme_local_port->private = vha;
init_waitqueue_head(&vha->nvme_waitQ);
init_waitqueue_head(&vha->nvme_waitq);
}
6 changes: 3 additions & 3 deletions drivers/scsi/qla2xxx/qla_os.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -710,7 +710,7 @@ qla2x00_sp_free_dma(void *ptr)
}

end:
if ((sp->type != SRB_NVME_CMD) && (sp->type != SRB_NVME_LS)) {
if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
CMD_SP(cmd) = NULL;
qla2x00_rel_sp(sp);
}
Expand Down Expand Up @@ -1715,8 +1715,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
if (sp) {
req->outstanding_cmds[cnt] = NULL;
if (sp->cmd_type == TYPE_SRB) {
if ((sp->type == SRB_NVME_CMD) ||
(sp->type == SRB_NVME_LS)) {
if (sp->type == SRB_NVME_CMD ||
sp->type == SRB_NVME_LS) {
sp_get(sp);
spin_unlock_irqrestore(
&ha->hardware_lock, flags);
Expand Down

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