* [PATCH] qla2xxx: Split qla2x00_configure_local_loop()
@ 2020-04-05 22:59 Bart Van Assche
2020-04-06 7:25 ` Daniel Wagner
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Bart Van Assche @ 2020-04-05 22:59 UTC (permalink / raw)
To: Martin K . Petersen, James E . J . Bottomley
Cc: linux-scsi, Bart Van Assche, Nilesh Javali, Himanshu Madhani,
Quinn Tran, Martin Wilck, Daniel Wagner, Roman Bolshakov
The size of the function qla2x00_configure_local_loop() hurts its
readability. Hence split that function. This patch does not change
any functionality.
Cc: Nilesh Javali <njavali@marvell.com>
Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Martin Wilck <mwilck@suse.com>
Cc: Daniel Wagner <dwagner@suse.de>
Cc: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
drivers/scsi/qla2xxx/qla_init.c | 92 ++++++++++++++++++---------------
1 file changed, 50 insertions(+), 42 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 5b2deaa730bf..80390d3f3236 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -5081,6 +5081,54 @@ qla2x00_configure_loop(scsi_qla_host_t *vha)
return (rval);
}
+static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+ fc_port_t *fcport;
+ int rval;
+
+ if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
+ /* borrowing */
+ u32 *bp, sz;
+
+ memset(ha->init_cb, 0, ha->init_cb_size);
+ sz = min_t(int, sizeof(struct els_plogi_payload),
+ ha->init_cb_size);
+ rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
+ ha->init_cb, sz);
+ if (rval == QLA_SUCCESS) {
+ __be32 *q = &ha->plogi_els_payld.data[0];
+
+ bp = (uint32_t *)ha->init_cb;
+ cpu_to_be32_array(q, bp, sz / 4);
+ memcpy(bp, q, sizeof(ha->plogi_els_payld.data));
+ } else {
+ ql_dbg(ql_dbg_init, vha, 0x00d1,
+ "PLOGI ELS param read fail.\n");
+ goto skip_login;
+ }
+ }
+
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->n2n_flag) {
+ qla24xx_fcport_handle_login(vha, fcport);
+ return QLA_SUCCESS;
+ }
+ }
+
+skip_login:
+ spin_lock_irqsave(&vha->work_lock, flags);
+ vha->scan.scan_retry++;
+ spin_unlock_irqrestore(&vha->work_lock, flags);
+
+ if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
+ set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ }
+ return QLA_FUNCTION_FAILED;
+}
+
/*
* qla2x00_configure_local_loop
* Updates Fibre Channel Device Database with local loop devices.
@@ -5098,7 +5146,6 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
int found_devs;
int found;
fc_port_t *fcport, *new_fcport;
-
uint16_t index;
uint16_t entries;
struct gid_list_info *gid;
@@ -5108,47 +5155,8 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
unsigned long flags;
/* Inititae N2N login. */
- if (N2N_TOPO(ha)) {
- if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
- /* borrowing */
- u32 *bp, sz;
-
- memset(ha->init_cb, 0, ha->init_cb_size);
- sz = min_t(int, sizeof(struct els_plogi_payload),
- ha->init_cb_size);
- rval = qla24xx_get_port_login_templ(vha,
- ha->init_cb_dma, (void *)ha->init_cb, sz);
- if (rval == QLA_SUCCESS) {
- __be32 *q = &ha->plogi_els_payld.data[0];
-
- bp = (uint32_t *)ha->init_cb;
- cpu_to_be32_array(q, bp, sz / 4);
-
- memcpy(bp, q, sizeof(ha->plogi_els_payld.data));
- } else {
- ql_dbg(ql_dbg_init, vha, 0x00d1,
- "PLOGI ELS param read fail.\n");
- goto skip_login;
- }
- }
-
- list_for_each_entry(fcport, &vha->vp_fcports, list) {
- if (fcport->n2n_flag) {
- qla24xx_fcport_handle_login(vha, fcport);
- return QLA_SUCCESS;
- }
- }
-skip_login:
- spin_lock_irqsave(&vha->work_lock, flags);
- vha->scan.scan_retry++;
- spin_unlock_irqrestore(&vha->work_lock, flags);
-
- if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
- set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
- set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
- }
- return QLA_FUNCTION_FAILED;
- }
+ if (N2N_TOPO(ha))
+ return qla2x00_configure_n2n_loop(vha);
found_devs = 0;
new_fcport = NULL;
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] qla2xxx: Split qla2x00_configure_local_loop()
2020-04-05 22:59 [PATCH] qla2xxx: Split qla2x00_configure_local_loop() Bart Van Assche
@ 2020-04-06 7:25 ` Daniel Wagner
2020-04-06 14:39 ` Himanshu Madhani
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Daniel Wagner @ 2020-04-06 7:25 UTC (permalink / raw)
To: Bart Van Assche
Cc: Martin K . Petersen, James E . J . Bottomley, linux-scsi,
Nilesh Javali, Himanshu Madhani, Quinn Tran, Martin Wilck,
Roman Bolshakov
Hi Bart,
On Sun, Apr 05, 2020 at 03:59:05PM -0700, Bart Van Assche wrote:
> The size of the function qla2x00_configure_local_loop() hurts its
> readability. Hence split that function. This patch does not change
> any functionality.
>
> Cc: Nilesh Javali <njavali@marvell.com>
> Cc: Himanshu Madhani <hmadhani@marvell.com>
> Cc: Quinn Tran <qutran@marvell.com>
> Cc: Martin Wilck <mwilck@suse.com>
> Cc: Daniel Wagner <dwagner@suse.de>
> Cc: Roman Bolshakov <r.bolshakov@yadro.com>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Looks good to me.
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Thanks,
Daniel
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] qla2xxx: Split qla2x00_configure_local_loop()
2020-04-05 22:59 [PATCH] qla2xxx: Split qla2x00_configure_local_loop() Bart Van Assche
2020-04-06 7:25 ` Daniel Wagner
@ 2020-04-06 14:39 ` Himanshu Madhani
2020-04-08 21:57 ` Roman Bolshakov
2020-04-14 2:22 ` Martin K. Petersen
3 siblings, 0 replies; 5+ messages in thread
From: Himanshu Madhani @ 2020-04-06 14:39 UTC (permalink / raw)
To: Bart Van Assche, Martin K . Petersen, James E . J . Bottomley
Cc: linux-scsi, Nilesh Javali, Himanshu Madhani, Quinn Tran,
Martin Wilck, Daniel Wagner, Roman Bolshakov
On 4/5/20 5:59 PM, Bart Van Assche wrote:
> The size of the function qla2x00_configure_local_loop() hurts its
> readability. Hence split that function. This patch does not change
> any functionality.
>
> Cc: Nilesh Javali <njavali@marvell.com>
> Cc: Himanshu Madhani <hmadhani@marvell.com>
> Cc: Quinn Tran <qutran@marvell.com>
> Cc: Martin Wilck <mwilck@suse.com>
> Cc: Daniel Wagner <dwagner@suse.de>
> Cc: Roman Bolshakov <r.bolshakov@yadro.com>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
> ---
> drivers/scsi/qla2xxx/qla_init.c | 92 ++++++++++++++++++---------------
> 1 file changed, 50 insertions(+), 42 deletions(-)
>
> diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
> index 5b2deaa730bf..80390d3f3236 100644
> --- a/drivers/scsi/qla2xxx/qla_init.c
> +++ b/drivers/scsi/qla2xxx/qla_init.c
> @@ -5081,6 +5081,54 @@ qla2x00_configure_loop(scsi_qla_host_t *vha)
> return (rval);
> }
>
> +static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
> +{
> + struct qla_hw_data *ha = vha->hw;
> + unsigned long flags;
> + fc_port_t *fcport;
> + int rval;
> +
> + if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
> + /* borrowing */
> + u32 *bp, sz;
> +
> + memset(ha->init_cb, 0, ha->init_cb_size);
> + sz = min_t(int, sizeof(struct els_plogi_payload),
> + ha->init_cb_size);
> + rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
> + ha->init_cb, sz);
> + if (rval == QLA_SUCCESS) {
> + __be32 *q = &ha->plogi_els_payld.data[0];
> +
> + bp = (uint32_t *)ha->init_cb;
> + cpu_to_be32_array(q, bp, sz / 4);
> + memcpy(bp, q, sizeof(ha->plogi_els_payld.data));
> + } else {
> + ql_dbg(ql_dbg_init, vha, 0x00d1,
> + "PLOGI ELS param read fail.\n");
> + goto skip_login;
> + }
> + }
> +
> + list_for_each_entry(fcport, &vha->vp_fcports, list) {
> + if (fcport->n2n_flag) {
> + qla24xx_fcport_handle_login(vha, fcport);
> + return QLA_SUCCESS;
> + }
> + }
> +
> +skip_login:
> + spin_lock_irqsave(&vha->work_lock, flags);
> + vha->scan.scan_retry++;
> + spin_unlock_irqrestore(&vha->work_lock, flags);
> +
> + if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
> + set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
> + set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
> + }
> + return QLA_FUNCTION_FAILED;
> +}
> +
> /*
> * qla2x00_configure_local_loop
> * Updates Fibre Channel Device Database with local loop devices.
> @@ -5098,7 +5146,6 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
> int found_devs;
> int found;
> fc_port_t *fcport, *new_fcport;
> -
> uint16_t index;
> uint16_t entries;
> struct gid_list_info *gid;
> @@ -5108,47 +5155,8 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
> unsigned long flags;
>
> /* Inititae N2N login. */
> - if (N2N_TOPO(ha)) {
> - if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
> - /* borrowing */
> - u32 *bp, sz;
> -
> - memset(ha->init_cb, 0, ha->init_cb_size);
> - sz = min_t(int, sizeof(struct els_plogi_payload),
> - ha->init_cb_size);
> - rval = qla24xx_get_port_login_templ(vha,
> - ha->init_cb_dma, (void *)ha->init_cb, sz);
> - if (rval == QLA_SUCCESS) {
> - __be32 *q = &ha->plogi_els_payld.data[0];
> -
> - bp = (uint32_t *)ha->init_cb;
> - cpu_to_be32_array(q, bp, sz / 4);
> -
> - memcpy(bp, q, sizeof(ha->plogi_els_payld.data));
> - } else {
> - ql_dbg(ql_dbg_init, vha, 0x00d1,
> - "PLOGI ELS param read fail.\n");
> - goto skip_login;
> - }
> - }
> -
> - list_for_each_entry(fcport, &vha->vp_fcports, list) {
> - if (fcport->n2n_flag) {
> - qla24xx_fcport_handle_login(vha, fcport);
> - return QLA_SUCCESS;
> - }
> - }
> -skip_login:
> - spin_lock_irqsave(&vha->work_lock, flags);
> - vha->scan.scan_retry++;
> - spin_unlock_irqrestore(&vha->work_lock, flags);
> -
> - if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
> - set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
> - set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
> - }
> - return QLA_FUNCTION_FAILED;
> - }
> + if (N2N_TOPO(ha))
> + return qla2x00_configure_n2n_loop(vha);
>
> found_devs = 0;
> new_fcport = NULL;
>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
-- Himanshu
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] qla2xxx: Split qla2x00_configure_local_loop()
2020-04-05 22:59 [PATCH] qla2xxx: Split qla2x00_configure_local_loop() Bart Van Assche
2020-04-06 7:25 ` Daniel Wagner
2020-04-06 14:39 ` Himanshu Madhani
@ 2020-04-08 21:57 ` Roman Bolshakov
2020-04-14 2:22 ` Martin K. Petersen
3 siblings, 0 replies; 5+ messages in thread
From: Roman Bolshakov @ 2020-04-08 21:57 UTC (permalink / raw)
To: Bart Van Assche
Cc: Martin K . Petersen, James E . J . Bottomley, linux-scsi,
Nilesh Javali, Himanshu Madhani, Quinn Tran, Martin Wilck,
Daniel Wagner
On Sun, Apr 05, 2020 at 03:59:05PM -0700, Bart Van Assche wrote:
> The size of the function qla2x00_configure_local_loop() hurts its
> readability. Hence split that function. This patch does not change
> any functionality.
>
Hi Bart,
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Thanks,
Roman
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] qla2xxx: Split qla2x00_configure_local_loop()
2020-04-05 22:59 [PATCH] qla2xxx: Split qla2x00_configure_local_loop() Bart Van Assche
` (2 preceding siblings ...)
2020-04-08 21:57 ` Roman Bolshakov
@ 2020-04-14 2:22 ` Martin K. Petersen
3 siblings, 0 replies; 5+ messages in thread
From: Martin K. Petersen @ 2020-04-14 2:22 UTC (permalink / raw)
To: Bart Van Assche
Cc: Martin K . Petersen, James E . J . Bottomley, linux-scsi,
Nilesh Javali, Himanshu Madhani, Quinn Tran, Martin Wilck,
Daniel Wagner, Roman Bolshakov
Bart,
> The size of the function qla2x00_configure_local_loop() hurts its
> readability. Hence split that function. This patch does not change any
> functionality.
Applied to 5.8/scsi-queue, thanks!
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-04-14 2:22 UTC | newest]
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2020-04-05 22:59 [PATCH] qla2xxx: Split qla2x00_configure_local_loop() Bart Van Assche
2020-04-06 7:25 ` Daniel Wagner
2020-04-06 14:39 ` Himanshu Madhani
2020-04-08 21:57 ` Roman Bolshakov
2020-04-14 2:22 ` Martin K. Petersen
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