diff options
-rw-r--r-- | drivers/scsi/libsas/sas_ata.c | 1 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_discover.c | 32 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 8 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_internal.h | 1 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_port.c | 3 | ||||
-rw-r--r-- | include/scsi/libsas.h | 3 | ||||
-rw-r--r-- | include/scsi/scsi_transport_sas.h | 1 |
7 files changed, 27 insertions, 22 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 70be4425ae0b..2b3637b40dde 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -730,7 +730,6 @@ int sas_discover_sata(struct domain_device *dev) if (res) return res; - sas_discover_event(dev->port, DISCE_PROBE); return 0; } diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index 14f714d05767..e4fd078e4175 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -212,13 +212,9 @@ void sas_notify_lldd_dev_gone(struct domain_device *dev) } } -static void sas_probe_devices(struct work_struct *work) +static void sas_probe_devices(struct asd_sas_port *port) { struct domain_device *dev, *n; - struct sas_discovery_event *ev = to_sas_discovery_event(work); - struct asd_sas_port *port = ev->port; - - clear_bit(DISCE_PROBE, &port->disc.pending); /* devices must be domain members before link recovery and probe */ list_for_each_entry(dev, &port->disco_list, disco_list_node) { @@ -294,7 +290,6 @@ int sas_discover_end_dev(struct domain_device *dev) res = sas_notify_lldd_dev_found(dev); if (res) return res; - sas_discover_event(dev->port, DISCE_PROBE); return 0; } @@ -353,13 +348,9 @@ static void sas_unregister_common_dev(struct asd_sas_port *port, struct domain_d sas_put_device(dev); } -static void sas_destruct_devices(struct work_struct *work) +void sas_destruct_devices(struct asd_sas_port *port) { struct domain_device *dev, *n; - struct sas_discovery_event *ev = to_sas_discovery_event(work); - struct asd_sas_port *port = ev->port; - - clear_bit(DISCE_DESTRUCT, &port->disc.pending); list_for_each_entry_safe(dev, n, &port->destroy_list, disco_list_node) { list_del_init(&dev->disco_list_node); @@ -370,6 +361,16 @@ static void sas_destruct_devices(struct work_struct *work) } } +static void sas_destruct_ports(struct asd_sas_port *port) +{ + struct sas_port *sas_port, *p; + + list_for_each_entry_safe(sas_port, p, &port->sas_port_del_list, del_list) { + list_del_init(&sas_port->del_list); + sas_port_delete(sas_port); + } +} + void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev) { if (!test_bit(SAS_DEV_DESTROY, &dev->state) && @@ -384,7 +385,6 @@ void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev) if (!test_and_set_bit(SAS_DEV_DESTROY, &dev->state)) { sas_rphy_unlink(dev->rphy); list_move_tail(&dev->disco_list_node, &port->destroy_list); - sas_discover_event(dev->port, DISCE_DESTRUCT); } } @@ -490,6 +490,8 @@ static void sas_discover_domain(struct work_struct *work) port->port_dev = NULL; } + sas_probe_devices(port); + SAS_DPRINTK("DONE DISCOVERY on port %d, pid:%d, result:%d\n", port->id, task_pid_nr(current), error); } @@ -523,6 +525,10 @@ static void sas_revalidate_domain(struct work_struct *work) port->id, task_pid_nr(current), res); out: mutex_unlock(&ha->disco_mutex); + + sas_destruct_devices(port); + sas_destruct_ports(port); + sas_probe_devices(port); } /* ---------- Events ---------- */ @@ -578,10 +584,8 @@ void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *port) static const work_func_t sas_event_fns[DISC_NUM_EVENTS] = { [DISCE_DISCOVER_DOMAIN] = sas_discover_domain, [DISCE_REVALIDATE_DOMAIN] = sas_revalidate_domain, - [DISCE_PROBE] = sas_probe_devices, [DISCE_SUSPEND] = sas_suspend_devices, [DISCE_RESUME] = sas_resume_devices, - [DISCE_DESTRUCT] = sas_destruct_devices, }; disc->pending = 0; diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index a8a57b0593e3..7444d40e261c 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1916,7 +1916,8 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent, sas_port_delete_phy(phy->port, phy->phy); sas_device_set_phy(found, phy->port); if (phy->port->num_phys == 0) - sas_port_delete(phy->port); + list_add_tail(&phy->port->del_list, + &parent->port->sas_port_del_list); phy->port = NULL; } } @@ -2124,7 +2125,7 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev) struct domain_device *dev = NULL; res = sas_find_bcast_dev(port_dev, &dev); - while (res == 0 && dev) { + if (res == 0 && dev) { struct expander_device *ex = &dev->ex_dev; int i = 0, phy_id; @@ -2136,9 +2137,6 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev) res = sas_rediscover(dev, phy_id); i = phy_id + 1; } while (i < ex->num_phys); - - dev = NULL; - res = sas_find_bcast_dev(port_dev, &dev); } return res; } diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index d8826a747690..50e12d662ffe 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -101,6 +101,7 @@ int sas_try_ata_reset(struct asd_sas_phy *phy); void sas_hae_reset(struct work_struct *work); void sas_free_device(struct kref *kref); +void sas_destruct_devices(struct asd_sas_port *port); extern const work_func_t sas_phy_event_fns[PHY_NUM_EVENTS]; extern const work_func_t sas_port_event_fns[PORT_NUM_EVENTS]; diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index 64722f42b256..f07e55d3aa73 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -66,6 +66,7 @@ static void sas_resume_port(struct asd_sas_phy *phy) rc = sas_notify_lldd_dev_found(dev); if (rc) { sas_unregister_dev(port, dev); + sas_destruct_devices(port); continue; } @@ -220,6 +221,7 @@ void sas_deform_port(struct asd_sas_phy *phy, int gone) if (port->num_phys == 1) { sas_unregister_domain_devices(port, gone); + sas_destruct_devices(port); sas_port_delete(port->port); port->port = NULL; } else { @@ -317,6 +319,7 @@ static void sas_init_port(struct asd_sas_port *port, INIT_LIST_HEAD(&port->dev_list); INIT_LIST_HEAD(&port->disco_list); INIT_LIST_HEAD(&port->destroy_list); + INIT_LIST_HEAD(&port->sas_port_del_list); spin_lock_init(&port->phy_list_lock); INIT_LIST_HEAD(&port->phy_list); port->ha = sas_ha; diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 6255bb5ed1e4..1cab6f7af425 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -82,10 +82,8 @@ enum phy_event { enum discover_event { DISCE_DISCOVER_DOMAIN = 0U, DISCE_REVALIDATE_DOMAIN, - DISCE_PROBE, DISCE_SUSPEND, DISCE_RESUME, - DISCE_DESTRUCT, DISC_NUM_EVENTS, }; @@ -262,6 +260,7 @@ struct asd_sas_port { struct list_head dev_list; struct list_head disco_list; struct list_head destroy_list; + struct list_head sas_port_del_list; enum sas_linkrate linkrate; struct sas_work work; diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index 62895b405933..05ec927a3c72 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -156,6 +156,7 @@ struct sas_port { struct mutex phy_list_mutex; struct list_head phy_list; + struct list_head del_list; /* libsas only */ }; #define dev_to_sas_port(d) \ |