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scsi: libsas: Delete struct scsi_core 

Since commit 79855d1785 ("libsas: remove task_collector mode"), struct
scsi_core only contains a reference to the shost. struct scsi_core is only
used in sas_ha_struct.core, so delete scsi_core and replace with a
reference to the shost there.

Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20230815115156.343535-5-john.g.garry@oracle.com
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
John Garry 2023-08-15 11:51:50 +00:00 committed by Martin K. Petersen
parent 2f4e20cd6e
commit 1136a0225d
17 changed files with 50 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/aic94xx/aic94xx_hwi.c
View File

@ -28,7 +28,7 @@ static int asd_get_user_sas_addr(struct asd_ha_struct *asd_ha)
if (asd_ha->hw_prof.sas_addr[0])
return 0;
return sas_request_addr(asd_ha->sas_ha.core.shost,
return sas_request_addr(asd_ha->sas_ha.shost,
asd_ha->hw_prof.sas_addr);
}

6
drivers/scsi/aic94xx/aic94xx_init.c
View File

@ -687,8 +687,8 @@ static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
err = sas_unregister_ha(&asd_ha->sas_ha);
sas_remove_host(asd_ha->sas_ha.core.shost);
scsi_host_put(asd_ha->sas_ha.core.shost);
sas_remove_host(asd_ha->sas_ha.shost);
scsi_host_put(asd_ha->sas_ha.shost);
kfree(asd_ha->sas_ha.sas_phy);
kfree(asd_ha->sas_ha.sas_port);
@ -738,7 +738,7 @@ static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
asd_ha->sas_ha.core.shost = shost;
asd_ha->sas_ha.shost = shost;
shost->transportt = aic94xx_transport_template;
shost->max_id = ~0;
shost->max_lun = ~0;

6
drivers/scsi/hisi_sas/hisi_sas_main.c
View File

@ -2519,7 +2519,7 @@ int hisi_sas_probe(struct platform_device *pdev,
sha->dev = hisi_hba->dev;
sha->sas_addr = &hisi_hba->sas_addr[0];
sha->num_phys = hisi_hba->n_phy;
sha->core.shost = hisi_hba->shost;
sha->shost = hisi_hba->shost;
for (i = 0; i < hisi_hba->n_phy; i++) {
sha->sas_phy[i] = &hisi_hba->phy[i].sas_phy;
@ -2561,12 +2561,12 @@ void hisi_sas_remove(struct platform_device *pdev)
{
struct sas_ha_struct *sha = platform_get_drvdata(pdev);
struct hisi_hba *hisi_hba = sha->lldd_ha;
struct Scsi_Host *shost = sha->core.shost;
struct Scsi_Host *shost = sha->shost;
del_timer_sync(&hisi_hba->timer);
sas_unregister_ha(sha);
sas_remove_host(sha->core.shost);
sas_remove_host(shost);
hisi_sas_free(hisi_hba);
scsi_host_put(shost);

6
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
View File

@ -4950,7 +4950,7 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sha->sas_phy = arr_phy;
sha->sas_port = arr_port;
sha->core.shost = shost;
sha->shost = shost;
sha->lldd_ha = hisi_hba;
shost->transportt = hisi_sas_stt;
@ -5054,14 +5054,14 @@ static void hisi_sas_v3_remove(struct pci_dev *pdev)
struct device *dev = &pdev->dev;
struct sas_ha_struct *sha = dev_get_drvdata(dev);
struct hisi_hba *hisi_hba = sha->lldd_ha;
struct Scsi_Host *shost = sha->core.shost;
struct Scsi_Host *shost = sha->shost;
pm_runtime_get_noresume(dev);
del_timer_sync(&hisi_hba->timer);
sas_unregister_ha(sha);
flush_workqueue(hisi_hba->wq);
sas_remove_host(sha->core.shost);
sas_remove_host(shost);
hisi_sas_v3_destroy_irqs(pdev, hisi_hba);
hisi_sas_free(hisi_hba);

2
drivers/scsi/isci/host.h
View File

@ -306,7 +306,7 @@ static inline struct isci_pci_info *to_pci_info(struct pci_dev *pdev)
static inline struct Scsi_Host *to_shost(struct isci_host *ihost)
{
return ihost->sas_ha.core.shost;
return ihost->sas_ha.shost;
}
#define for_each_isci_host(id, ihost, pdev) \

4
drivers/scsi/isci/init.c
View File

@ -574,7 +574,7 @@ static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id)
goto err_shost;
SHOST_TO_SAS_HA(shost) = &ihost->sas_ha;
ihost->sas_ha.core.shost = shost;
ihost->sas_ha.shost = shost;
shost->transportt = isci_transport_template;
shost->max_id = ~0;
@ -729,7 +729,7 @@ static int isci_resume(struct device *dev)
sas_prep_resume_ha(&ihost->sas_ha);
isci_host_init(ihost);
isci_host_start(ihost->sas_ha.core.shost);
isci_host_start(ihost->sas_ha.shost);
wait_for_start(ihost);
sas_resume_ha(&ihost->sas_ha);

8
drivers/scsi/libsas/sas_ata.c
View File

@ -162,7 +162,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
struct ata_port *ap = qc->ap;
struct domain_device *dev = ap->private_data;
struct sas_ha_struct *sas_ha = dev->port->ha;
struct Scsi_Host *host = sas_ha->core.shost;
struct Scsi_Host *host = sas_ha->shost;
struct sas_internal *i = to_sas_internal(host->transportt);
/* TODO: we should try to remove that unlock */
@ -235,7 +235,7 @@ static void sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc)
static struct sas_internal *dev_to_sas_internal(struct domain_device *dev)
{
return to_sas_internal(dev->port->ha->core.shost->transportt);
return to_sas_internal(dev->port->ha->shost->transportt);
}
static int sas_get_ata_command_set(struct domain_device *dev)
@ -584,7 +584,7 @@ static struct ata_port_info sata_port_info = {
int sas_ata_init(struct domain_device *found_dev)
{
struct sas_ha_struct *ha = found_dev->port->ha;
struct Scsi_Host *shost = ha->core.shost;
struct Scsi_Host *shost = ha->shost;
struct ata_host *ata_host;
struct ata_port *ap;
int rc;
@ -822,7 +822,7 @@ static void async_sas_ata_eh(void *data, async_cookie_t cookie)
struct sas_ha_struct *ha = dev->port->ha;
sas_ata_printk(KERN_DEBUG, dev, "dev error handler\n");
ata_scsi_port_error_handler(ha->core.shost, ap);
ata_scsi_port_error_handler(ha->shost, ap);
sas_put_device(dev);
}

8
drivers/scsi/libsas/sas_discover.c
View File

@ -170,7 +170,7 @@ int sas_notify_lldd_dev_found(struct domain_device *dev)
{
int res = 0;
struct sas_ha_struct *sas_ha = dev->port->ha;
struct Scsi_Host *shost = sas_ha->core.shost;
struct Scsi_Host *shost = sas_ha->shost;
struct sas_internal *i = to_sas_internal(shost->transportt);
if (!i->dft->lldd_dev_found)
@ -192,7 +192,7 @@ int sas_notify_lldd_dev_found(struct domain_device *dev)
void sas_notify_lldd_dev_gone(struct domain_device *dev)
{
struct sas_ha_struct *sas_ha = dev->port->ha;
struct Scsi_Host *shost = sas_ha->core.shost;
struct Scsi_Host *shost = sas_ha->shost;
struct sas_internal *i = to_sas_internal(shost->transportt);
if (!i->dft->lldd_dev_gone)
@ -234,7 +234,7 @@ static void sas_suspend_devices(struct work_struct *work)
struct domain_device *dev;
struct sas_discovery_event *ev = to_sas_discovery_event(work);
struct asd_sas_port *port = ev->port;
struct Scsi_Host *shost = port->ha->core.shost;
struct Scsi_Host *shost = port->ha->shost;
struct sas_internal *si = to_sas_internal(shost->transportt);
clear_bit(DISCE_SUSPEND, &port->disc.pending);
@ -373,7 +373,7 @@ static bool sas_abort_cmd(struct request *req, void *data)
static void sas_abort_device_scsi_cmds(struct domain_device *dev)
{
struct sas_ha_struct *sas_ha = dev->port->ha;
struct Scsi_Host *shost = sas_ha->core.shost;
struct Scsi_Host *shost = sas_ha->shost;
if (dev_is_expander(dev->dev_type))
return;

2
drivers/scsi/libsas/sas_expander.c
View File

@ -37,7 +37,7 @@ static int smp_execute_task_sg(struct domain_device *dev,
int res, retry;
struct sas_task *task = NULL;
struct sas_internal *i =
to_sas_internal(dev->port->ha->core.shost->transportt);
to_sas_internal(dev->port->ha->shost->transportt);
struct sas_ha_struct *ha = dev->port->ha;
pm_runtime_get_sync(ha->dev);

4
drivers/scsi/libsas/sas_host_smp.c
View File

@ -114,7 +114,7 @@ static int sas_host_smp_write_gpio(struct sas_ha_struct *sas_ha, u8 *resp_data,
u8 reg_type, u8 reg_index, u8 reg_count,
u8 *req_data)
{
struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt);
struct sas_internal *i = to_sas_internal(sas_ha->shost->transportt);
int written;
if (i->dft->lldd_write_gpio == NULL) {
@ -182,7 +182,7 @@ static void sas_phy_control(struct sas_ha_struct *sas_ha, u8 phy_id,
enum sas_linkrate max, u8 *resp_data)
{
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
struct sas_phy_linkrates rates;
struct asd_sas_phy *asd_phy;

16
drivers/scsi/libsas/sas_init.c
View File

@ -183,7 +183,7 @@ static int sas_get_linkerrors(struct sas_phy *phy)
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
return i->dft->lldd_control_phy(asd_phy, PHY_FUNC_GET_EVENTS, NULL);
}
@ -232,7 +232,7 @@ static int transport_sas_phy_reset(struct sas_phy *phy, int hard_reset)
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
if (!hard_reset && sas_try_ata_reset(asd_phy) == 0)
return 0;
@ -266,7 +266,7 @@ int sas_phy_enable(struct sas_phy *phy, int enable)
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
if (enable)
ret = transport_sas_phy_reset(phy, 0);
@ -303,7 +303,7 @@ int sas_phy_reset(struct sas_phy *phy, int hard_reset)
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
ret = i->dft->lldd_control_phy(asd_phy, reset_type, NULL);
} else {
@ -339,7 +339,7 @@ int sas_set_phy_speed(struct sas_phy *phy,
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
ret = i->dft->lldd_control_phy(asd_phy, PHY_FUNC_SET_LINK_RATE,
rates);
@ -438,7 +438,7 @@ static void _sas_resume_ha(struct sas_ha_struct *ha, bool drain)
/* all phys are back up or timed out, turn on i/o so we can
* flush out disks that did not return
*/
scsi_unblock_requests(ha->core.shost);
scsi_unblock_requests(ha->shost);
if (drain)
sas_drain_work(ha);
clear_bit(SAS_HA_RESUMING, &ha->state);
@ -468,7 +468,7 @@ void sas_suspend_ha(struct sas_ha_struct *ha)
int i;
sas_disable_events(ha);
scsi_block_requests(ha->core.shost);
scsi_block_requests(ha->shost);
for (i = 0; i < ha->num_phys; i++) {
struct asd_sas_port *port = ha->sas_port[i];
@ -641,7 +641,7 @@ struct asd_sas_event *sas_alloc_event(struct asd_sas_phy *phy,
struct asd_sas_event *event;
struct sas_ha_struct *sas_ha = phy->ha;
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
event = kmem_cache_zalloc(sas_event_cache, gfp_flags);
if (!event)

8
drivers/scsi/libsas/sas_phy.c
View File

@ -38,7 +38,7 @@ static void sas_phye_oob_error(struct work_struct *work)
struct sas_ha_struct *sas_ha = phy->ha;
struct asd_sas_port *port = phy->port;
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
sas_deform_port(phy, 1);
@ -66,7 +66,7 @@ static void sas_phye_spinup_hold(struct work_struct *work)
struct asd_sas_phy *phy = ev->phy;
struct sas_ha_struct *sas_ha = phy->ha;
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
phy->error = 0;
i->dft->lldd_control_phy(phy, PHY_FUNC_RELEASE_SPINUP_HOLD, NULL);
@ -95,7 +95,7 @@ static void sas_phye_shutdown(struct work_struct *work)
struct asd_sas_phy *phy = ev->phy;
struct sas_ha_struct *sas_ha = phy->ha;
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
if (phy->enabled) {
int ret;
@ -131,7 +131,7 @@ int sas_register_phys(struct sas_ha_struct *sas_ha)
spin_lock_init(&phy->sas_prim_lock);
phy->frame_rcvd_size = 0;
phy->phy = sas_phy_alloc(&sas_ha->core.shost->shost_gendev, i);
phy->phy = sas_phy_alloc(&sas_ha->shost->shost_gendev, i);
if (!phy->phy)
return -ENOMEM;

6
drivers/scsi/libsas/sas_port.c
View File

@ -28,7 +28,7 @@ static void sas_resume_port(struct asd_sas_phy *phy)
struct domain_device *dev, *n;
struct asd_sas_port *port = phy->port;
struct sas_ha_struct *sas_ha = phy->ha;
struct sas_internal *si = to_sas_internal(sas_ha->core.shost->transportt);
struct sas_internal *si = to_sas_internal(sas_ha->shost->transportt);
if (si->dft->lldd_port_formed)
si->dft->lldd_port_formed(phy);
@ -108,7 +108,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
struct asd_sas_port *port = phy->port;
struct domain_device *port_dev = NULL;
struct sas_internal *si =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
unsigned long flags;
if (port) {
@ -211,7 +211,7 @@ void sas_deform_port(struct asd_sas_phy *phy, int gone)
struct sas_ha_struct *sas_ha = phy->ha;
struct asd_sas_port *port = phy->port;
struct sas_internal *si =
to_sas_internal(sas_ha->core.shost->transportt);
to_sas_internal(sas_ha->shost->transportt);
struct domain_device *dev;
unsigned long flags;

14
drivers/scsi/libsas/sas_scsi_host.c
View File

@ -279,7 +279,7 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task)
unsigned long flags;
int i, res;
struct sas_internal *si =
to_sas_internal(task->dev->port->ha->core.shost->transportt);
to_sas_internal(task->dev->port->ha->shost->transportt);
for (i = 0; i < 5; i++) {
pr_notice("%s: aborting task 0x%p\n", __func__, task);
@ -327,7 +327,7 @@ static int sas_recover_lu(struct domain_device *dev, struct scsi_cmnd *cmd)
int res = TMF_RESP_FUNC_FAILED;
struct scsi_lun lun;
struct sas_internal *i =
to_sas_internal(dev->port->ha->core.shost->transportt);
to_sas_internal(dev->port->ha->shost->transportt);
int_to_scsilun(cmd->device->lun, &lun);
@ -355,7 +355,7 @@ static int sas_recover_I_T(struct domain_device *dev)
{
int res = TMF_RESP_FUNC_FAILED;
struct sas_internal *i =
to_sas_internal(dev->port->ha->core.shost->transportt);
to_sas_internal(dev->port->ha->shost->transportt);
pr_notice("I_T nexus reset for dev %016llx\n",
SAS_ADDR(dev->sas_addr));
@ -410,7 +410,7 @@ static void sas_wait_eh(struct domain_device *dev)
spin_unlock_irq(&ha->lock);
/* make sure SCSI EH is complete */
if (scsi_host_in_recovery(ha->core.shost)) {
if (scsi_host_in_recovery(ha->shost)) {
msleep(10);
goto retry;
}
@ -440,7 +440,7 @@ static int sas_queue_reset(struct domain_device *dev, int reset_type,
set_bit(SAS_DEV_EH_PENDING, &dev->state);
set_bit(reset_type, &dev->state);
int_to_scsilun(lun, &dev->ssp_dev.reset_lun);
scsi_schedule_eh(ha->core.shost);
scsi_schedule_eh(ha->shost);
}
spin_unlock_irq(&ha->lock);
@ -925,7 +925,7 @@ static int sas_execute_internal_abort(struct domain_device *device,
unsigned int qid, void *data)
{
struct sas_ha_struct *ha = device->port->ha;
struct sas_internal *i = to_sas_internal(ha->core.shost->transportt);
struct sas_internal *i = to_sas_internal(ha->shost->transportt);
struct sas_task *task = NULL;
int res, retry;
@ -1015,7 +1015,7 @@ int sas_execute_tmf(struct domain_device *device, void *parameter,
{
struct sas_task *task;
struct sas_internal *i =
to_sas_internal(device->port->ha->core.shost->transportt);
to_sas_internal(device->port->ha->shost->transportt);
int res, retry;
for (retry = 0; retry < TASK_RETRY; retry++) {

4
drivers/scsi/mvsas/mv_init.c
View File

@ -414,7 +414,7 @@ static int mvs_prep_sas_ha_init(struct Scsi_Host *shost,
sha->sas_phy = arr_phy;
sha->sas_port = arr_port;
sha->core.shost = shost;
sha->shost = shost;
sha->lldd_ha = kzalloc(sizeof(struct mvs_prv_info), GFP_KERNEL);
if (!sha->lldd_ha)
@ -470,7 +470,7 @@ static void mvs_post_sas_ha_init(struct Scsi_Host *shost,
shost->sg_tablesize = min_t(u16, SG_ALL, MVS_MAX_SG);
shost->can_queue = can_queue;
mvi->shost->cmd_per_lun = MVS_QUEUE_SIZE;
sha->core.shost = mvi->shost;
sha->shost = mvi->shost;
}
static void mvs_init_sas_add(struct mvs_info *mvi)

2
drivers/scsi/pm8001/pm8001_init.c
View File

@ -654,7 +654,7 @@ static void pm8001_post_sas_ha_init(struct Scsi_Host *shost,
sha->strict_wide_ports = 1;
sha->sas_addr = &pm8001_ha->sas_addr[0];
sha->num_phys = chip_info->n_phy;
sha->core.shost = shost;
sha->shost = shost;
}
/**

7
include/scsi/libsas.h
View File

@ -333,11 +333,6 @@ struct asd_sas_phy {
void *lldd_phy; /* not touched by the sas_class_code */
};
struct scsi_core {
struct Scsi_Host *shost;
};
enum sas_ha_state {
SAS_HA_REGISTERED,
SAS_HA_DRAINING,
@ -358,7 +353,7 @@ struct sas_ha_struct {
struct mutex disco_mutex;
struct scsi_core core;
struct Scsi_Host *shost;
/* public: */
char *sas_ha_name;