[SCSI] mpt fusion: Firmware event implementation using seperate WorkQueue
Now Firmware events are handled by firmware event queue.
Previously it was handled in interrupt context/WorkQueue of Linux.
Firmware Event handling is restructured and optimized.
Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index ae203ec..d67b263 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1931,6 +1931,11 @@
*/
mpt_detect_bound_ports(ioc, pdev);
+ INIT_LIST_HEAD(&ioc->fw_event_list);
+ spin_lock_init(&ioc->fw_event_lock);
+ snprintf(ioc->fw_event_q_name, 20, "mpt/%d", ioc->id);
+ ioc->fw_event_q = create_singlethread_workqueue(ioc->fw_event_q_name);
+
if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
CAN_SLEEP)) != 0){
printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
@@ -2010,6 +2015,11 @@
cancel_delayed_work(&ioc->fault_reset_work);
destroy_workqueue(wq);
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ wq = ioc->fw_event_q;
+ ioc->fw_event_q = NULL;
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+ destroy_workqueue(wq);
sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
remove_proc_entry(pname, NULL);
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 24d6012..b6efc64 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -694,9 +694,18 @@
struct net_device *netdev;
struct list_head sas_topology;
struct mutex sas_topology_mutex;
+
+ struct workqueue_struct *fw_event_q;
+ struct list_head fw_event_list;
+ spinlock_t fw_event_lock;
+ u8 fw_events_off; /* if '1', then ignore events */
+ char fw_event_q_name[20];
+
struct mutex sas_discovery_mutex;
u8 sas_discovery_runtime;
u8 sas_discovery_ignore_events;
+ struct list_head sas_device_info_list;
+ struct mutex sas_device_info_mutex;
u8 sas_discovery_quiesce_io;
int sas_index; /* index refrencing */
MPT_MGMT sas_mgmt;
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index eb6b10e..22a027e 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -95,7 +95,24 @@
static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS;
-static void mptsas_hotplug_work(struct work_struct *work);
+static void mptsas_firmware_event_work(struct work_struct *work);
+static void mptsas_send_sas_event(struct fw_event_work *fw_event);
+static void mptsas_send_raid_event(struct fw_event_work *fw_event);
+static void mptsas_send_ir2_event(struct fw_event_work *fw_event);
+static void mptsas_parse_device_info(struct sas_identify *identify,
+ struct mptsas_devinfo *device_info);
+static inline void mptsas_set_rphy(MPT_ADAPTER *ioc,
+ struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy);
+static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address
+ (MPT_ADAPTER *ioc, u64 sas_address);
+static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc,
+ struct mptsas_devinfo *device_info, u32 form, u32 form_specific);
+static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc,
+ struct mptsas_enclosure *enclosure, u32 form, u32 form_specific);
+static int mptsas_add_end_device(MPT_ADAPTER *ioc,
+ struct mptsas_phyinfo *phy_info);
+static void mptsas_del_end_device(MPT_ADAPTER *ioc,
+ struct mptsas_phyinfo *phy_info);
static void mptsas_print_phy_data(MPT_ADAPTER *ioc,
MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
@@ -219,6 +236,100 @@
le16_to_cpu(pg1->AttachedDevHandle)));
}
+/* inhibit sas firmware event handling */
+static void
+mptsas_fw_event_off(MPT_ADAPTER *ioc)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ ioc->fw_events_off = 1;
+ ioc->sas_discovery_quiesce_io = 0;
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+
+}
+
+/* enable sas firmware event handling */
+static void
+mptsas_fw_event_on(MPT_ADAPTER *ioc)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ ioc->fw_events_off = 0;
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+}
+
+/* queue a sas firmware event */
+static void
+mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
+ unsigned long delay)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ list_add_tail(&fw_event->list, &ioc->fw_event_list);
+ INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work);
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)\n",
+ ioc->name, __func__, fw_event));
+ queue_delayed_work(ioc->fw_event_q, &fw_event->work,
+ delay);
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+}
+
+/* free memory assoicated to a sas firmware event */
+static void
+mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n",
+ ioc->name, __func__, fw_event));
+ list_del(&fw_event->list);
+ kfree(fw_event);
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+}
+
+/* walk the firmware event queue, and either stop or wait for
+ * outstanding events to complete */
+static void
+mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
+{
+ struct fw_event_work *fw_event, *next;
+ struct mptsas_target_reset_event *target_reset_list, *n;
+ u8 flush_q;
+ MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
+
+ /* flush the target_reset_list */
+ if (!list_empty(&hd->target_reset_list)) {
+ list_for_each_entry_safe(target_reset_list, n,
+ &hd->target_reset_list, list) {
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: removing target reset for id=%d\n",
+ ioc->name, __func__,
+ target_reset_list->sas_event_data.TargetID));
+ list_del(&target_reset_list->list);
+ kfree(target_reset_list);
+ }
+ }
+
+ if (list_empty(&ioc->fw_event_list) ||
+ !ioc->fw_event_q || in_interrupt())
+ return;
+
+ flush_q = 0;
+ list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
+ if (cancel_delayed_work(&fw_event->work))
+ mptsas_free_fw_event(ioc, fw_event);
+ else
+ flush_q = 1;
+ }
+ if (flush_q)
+ flush_workqueue(ioc->fw_event_q);
+}
+
+
static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
{
struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
@@ -309,6 +420,7 @@
if(phy_info->port_details != port_details)
continue;
memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
+ mptsas_set_rphy(ioc, phy_info, NULL);
phy_info->port_details = NULL;
}
kfree(port_details);
@@ -380,6 +492,157 @@
phy_info->port_details->starget = starget;
}
+/**
+ * mptsas_add_device_component -
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @channel: fw mapped id's
+ * @id:
+ * @sas_address:
+ * @device_info:
+ *
+ **/
+static void
+mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id,
+ u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id)
+{
+ struct mptsas_device_info *sas_info, *next;
+ struct scsi_device *sdev;
+ struct scsi_target *starget;
+ struct sas_rphy *rphy;
+
+ /*
+ * Delete all matching devices out of the list
+ */
+ mutex_lock(&ioc->sas_device_info_mutex);
+ list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
+ list) {
+ if ((sas_info->sas_address == sas_address ||
+ (sas_info->fw.channel == channel &&
+ sas_info->fw.id == id))) {
+ list_del(&sas_info->list);
+ kfree(sas_info);
+ }
+ }
+
+ sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
+ if (!sas_info)
+ goto out;
+
+ /*
+ * Set Firmware mapping
+ */
+ sas_info->fw.id = id;
+ sas_info->fw.channel = channel;
+
+ sas_info->sas_address = sas_address;
+ sas_info->device_info = device_info;
+ sas_info->slot = slot;
+ sas_info->enclosure_logical_id = enclosure_logical_id;
+ INIT_LIST_HEAD(&sas_info->list);
+ list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
+
+ /*
+ * Set OS mapping
+ */
+ shost_for_each_device(sdev, ioc->sh) {
+ starget = scsi_target(sdev);
+ rphy = dev_to_rphy(starget->dev.parent);
+ if (rphy->identify.sas_address == sas_address) {
+ sas_info->os.id = starget->id;
+ sas_info->os.channel = starget->channel;
+ }
+ }
+
+ out:
+ mutex_unlock(&ioc->sas_device_info_mutex);
+ return;
+}
+
+/**
+ * mptsas_add_device_component_by_fw -
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @channel: fw mapped id's
+ * @id:
+ *
+ **/
+static void
+mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id)
+{
+ struct mptsas_devinfo sas_device;
+ struct mptsas_enclosure enclosure_info;
+ int rc;
+
+ rc = mptsas_sas_device_pg0(ioc, &sas_device,
+ (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
+ MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
+ (channel << 8) + id);
+ if (rc)
+ return;
+
+ memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
+ mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
+ (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
+ MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
+ sas_device.handle_enclosure);
+
+ mptsas_add_device_component(ioc, sas_device.channel,
+ sas_device.id, sas_device.sas_address, sas_device.device_info,
+ sas_device.slot, enclosure_info.enclosure_logical_id);
+}
+
+/**
+ * mptsas_add_device_component_starget -
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @starget:
+ *
+ **/
+static void
+mptsas_add_device_component_starget(MPT_ADAPTER *ioc,
+ struct scsi_target *starget)
+{
+ VirtTarget *vtarget;
+ struct sas_rphy *rphy;
+ struct mptsas_phyinfo *phy_info = NULL;
+ struct mptsas_enclosure enclosure_info;
+
+ rphy = dev_to_rphy(starget->dev.parent);
+ vtarget = starget->hostdata;
+ phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
+ rphy->identify.sas_address);
+ if (!phy_info)
+ return;
+
+ memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
+ mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
+ (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
+ MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
+ phy_info->attached.handle_enclosure);
+
+ mptsas_add_device_component(ioc, phy_info->attached.channel,
+ phy_info->attached.id, phy_info->attached.sas_address,
+ phy_info->attached.device_info,
+ phy_info->attached.slot, enclosure_info.enclosure_logical_id);
+}
+
+/**
+ * mptsas_del_device_components - Cleaning the list
+ * @ioc: Pointer to MPT_ADAPTER structure
+ *
+ **/
+static void
+mptsas_del_device_components(MPT_ADAPTER *ioc)
+{
+ struct mptsas_device_info *sas_info, *next;
+
+ mutex_lock(&ioc->sas_device_info_mutex);
+ list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
+ list) {
+ list_del(&sas_info->list);
+ kfree(sas_info);
+ }
+ mutex_unlock(&ioc->sas_device_info_mutex);
+}
+
/*
* mptsas_setup_wide_ports
@@ -535,6 +798,29 @@
return vtarget;
}
+static void
+mptsas_queue_device_delete(MPT_ADAPTER *ioc,
+ MpiEventDataSasDeviceStatusChange_t *sas_event_data)
+{
+ struct fw_event_work *fw_event;
+ int sz;
+
+ sz = offsetof(struct fw_event_work, event_data) +
+ sizeof(MpiEventDataSasDeviceStatusChange_t);
+ fw_event = kzalloc(sz, GFP_ATOMIC);
+ if (!fw_event) {
+ printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
+ ioc->name, __func__, __LINE__);
+ return;
+ }
+ memcpy(fw_event->event_data, sas_event_data,
+ sizeof(MpiEventDataSasDeviceStatusChange_t));
+ fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE;
+ fw_event->ioc = ioc;
+ mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
+}
+
+
/**
* mptsas_target_reset
*
@@ -654,10 +940,8 @@
{
MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
struct list_head *head = &hd->target_reset_list;
- struct mptsas_hotplug_event *ev;
EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
u8 id, channel;
- __le64 sas_address;
struct mptsas_target_reset_event *target_reset_list;
SCSITaskMgmtReply_t *pScsiTmReply;
@@ -729,41 +1013,9 @@
* enable work queue to remove device from upper layers
*/
list_del(&target_reset_list->list);
-
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (!ev) {
- dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, failed to allocate mem @%d..!!\n",
- ioc->name,__func__, __LINE__));
- goto out_fail;
- }
-
- dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
- ioc->name, mf));
-
- INIT_WORK(&ev->work, mptsas_hotplug_work);
- ev->ioc = ioc;
- ev->handle = le16_to_cpu(sas_event_data->DevHandle);
- ev->parent_handle =
- le16_to_cpu(sas_event_data->ParentDevHandle);
- ev->channel = channel;
- ev->id =id;
- ev->phy_id = sas_event_data->PhyNum;
- memcpy(&sas_address, &sas_event_data->SASAddress,
- sizeof(__le64));
- ev->sas_address = le64_to_cpu(sas_address);
- ev->device_info = le32_to_cpu(sas_event_data->DeviceInfo);
- dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
- "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n",
- ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id));
-
- ev->event_type = MPTSAS_DEL_DEVICE;
- schedule_work(&ev->work);
- kfree(target_reset_list);
-
- out_fail:
-
- mpt_clear_taskmgmt_in_progress_flag(ioc);
- return 0;
+ if ((mptsas_find_vtarget(ioc, channel, id)) && !ioc->fw_events_off)
+ mptsas_queue_device_delete(ioc,
+ &target_reset_list->sas_event_data);
/*
@@ -798,37 +1050,58 @@
mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
{
MPT_SCSI_HOST *hd;
- struct mptsas_target_reset_event *target_reset_list, *n;
int rc;
rc = mptscsih_ioc_reset(ioc, reset_phase);
+ if ((ioc->bus_type != SAS) || (!rc))
+ return rc;
- if (ioc->bus_type != SAS)
- goto out;
-
- if (reset_phase != MPT_IOC_POST_RESET)
- goto out;
-
- if (!ioc->sh || !ioc->sh->hostdata)
- goto out;
hd = shost_priv(ioc->sh);
if (!hd->ioc)
goto out;
- if (list_empty(&hd->target_reset_list))
- goto out;
-
- /* flush the target_reset_list */
- list_for_each_entry_safe(target_reset_list, n,
- &hd->target_reset_list, list) {
- list_del(&target_reset_list->list);
- kfree(target_reset_list);
+ switch (reset_phase) {
+ case MPT_IOC_SETUP_RESET:
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
+ mptsas_fw_event_off(ioc);
+ break;
+ case MPT_IOC_PRE_RESET:
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
+ break;
+ case MPT_IOC_POST_RESET:
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
+ if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
+ ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET;
+ complete(&ioc->sas_mgmt.done);
+ }
+ mptsas_cleanup_fw_event_q(ioc);
+ mptsas_fw_event_on(ioc);
+ break;
+ default:
+ break;
}
out:
return rc;
}
+
+/**
+ * enum device_state -
+ * @DEVICE_RETRY: need to retry the TUR
+ * @DEVICE_ERROR: TUR return error, don't add device
+ * @DEVICE_READY: device can be added
+ *
+ */
+enum device_state{
+ DEVICE_RETRY,
+ DEVICE_ERROR,
+ DEVICE_READY,
+};
+
static int
mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
u32 form, u32 form_specific)
@@ -894,15 +1167,268 @@
return error;
}
+/**
+ * mptsas_add_end_device - report a new end device to sas transport layer
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @phy_info: decribes attached device
+ *
+ * return (0) success (1) failure
+ *
+ **/
+static int
+mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
+{
+ struct sas_rphy *rphy;
+ struct sas_port *port;
+ struct sas_identify identify;
+ char *ds = NULL;
+ u8 fw_id;
+
+ if (!phy_info) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: exit at line=%d\n", ioc->name,
+ __func__, __LINE__));
+ return 1;
+ }
+
+ fw_id = phy_info->attached.id;
+
+ if (mptsas_get_rphy(phy_info)) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, fw_id, __LINE__));
+ return 2;
+ }
+
+ port = mptsas_get_port(phy_info);
+ if (!port) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, fw_id, __LINE__));
+ return 3;
+ }
+
+ if (phy_info->attached.device_info &
+ MPI_SAS_DEVICE_INFO_SSP_TARGET)
+ ds = "ssp";
+ if (phy_info->attached.device_info &
+ MPI_SAS_DEVICE_INFO_STP_TARGET)
+ ds = "stp";
+ if (phy_info->attached.device_info &
+ MPI_SAS_DEVICE_INFO_SATA_DEVICE)
+ ds = "sata";
+
+ printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d,"
+ " phy %d, sas_addr 0x%llx\n", ioc->name, ds,
+ phy_info->attached.channel, phy_info->attached.id,
+ phy_info->attached.phy_id, (unsigned long long)
+ phy_info->attached.sas_address);
+
+ mptsas_parse_device_info(&identify, &phy_info->attached);
+ rphy = sas_end_device_alloc(port);
+ if (!rphy) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, fw_id, __LINE__));
+ return 5; /* non-fatal: an rphy can be added later */
+ }
+
+ rphy->identify = identify;
+ if (sas_rphy_add(rphy)) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, fw_id, __LINE__));
+ sas_rphy_free(rphy);
+ return 6;
+ }
+ mptsas_set_rphy(ioc, phy_info, rphy);
+ return 0;
+}
+
+/**
+ * mptsas_del_end_device - report a deleted end device to sas transport
+ * layer
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @phy_info: decribes attached device
+ *
+ **/
+static void
+mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
+{
+ struct sas_rphy *rphy;
+ struct sas_port *port;
+ struct mptsas_portinfo *port_info;
+ struct mptsas_phyinfo *phy_info_parent;
+ int i;
+ char *ds = NULL;
+ u8 fw_id;
+ u64 sas_address;
+
+ if (!phy_info)
+ return;
+
+ fw_id = phy_info->attached.id;
+ sas_address = phy_info->attached.sas_address;
+
+ if (!phy_info->port_details) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, fw_id, __LINE__));
+ return;
+ }
+ rphy = mptsas_get_rphy(phy_info);
+ if (!rphy) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, fw_id, __LINE__));
+ return;
+ }
+
+ if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR
+ || phy_info->attached.device_info
+ & MPI_SAS_DEVICE_INFO_SMP_INITIATOR
+ || phy_info->attached.device_info
+ & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
+ ds = "initiator";
+ if (phy_info->attached.device_info &
+ MPI_SAS_DEVICE_INFO_SSP_TARGET)
+ ds = "ssp";
+ if (phy_info->attached.device_info &
+ MPI_SAS_DEVICE_INFO_STP_TARGET)
+ ds = "stp";
+ if (phy_info->attached.device_info &
+ MPI_SAS_DEVICE_INFO_SATA_DEVICE)
+ ds = "sata";
+
+ dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT
+ "removing %s device: fw_channel %d, fw_id %d, phy %d,"
+ "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel,
+ phy_info->attached.id, phy_info->attached.phy_id,
+ (unsigned long long) sas_address);
+
+ port = mptsas_get_port(phy_info);
+ if (!port) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, fw_id, __LINE__));
+ return;
+ }
+ port_info = phy_info->portinfo;
+ phy_info_parent = port_info->phy_info;
+ for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) {
+ if (!phy_info_parent->phy)
+ continue;
+ if (phy_info_parent->attached.sas_address !=
+ sas_address)
+ continue;
+ dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev,
+ MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n",
+ ioc->name, phy_info_parent->phy_id,
+ phy_info_parent->phy);
+ sas_port_delete_phy(port, phy_info_parent->phy);
+ }
+
+ dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
+ "delete port %d, sas_addr (0x%llx)\n", ioc->name,
+ port->port_identifier, (unsigned long long)sas_address);
+ sas_port_delete(port);
+ mptsas_set_port(ioc, phy_info, NULL);
+ mptsas_port_delete(ioc, phy_info->port_details);
+}
+
+struct mptsas_phyinfo *
+mptsas_refreshing_device_handles(MPT_ADAPTER *ioc,
+ struct mptsas_devinfo *sas_device)
+{
+ struct mptsas_phyinfo *phy_info;
+ struct mptsas_portinfo *port_info;
+ int i;
+
+ phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
+ sas_device->sas_address);
+ if (!phy_info)
+ goto out;
+ port_info = phy_info->portinfo;
+ if (!port_info)
+ goto out;
+ mutex_lock(&ioc->sas_topology_mutex);
+ for (i = 0; i < port_info->num_phys; i++) {
+ if (port_info->phy_info[i].attached.sas_address !=
+ sas_device->sas_address)
+ continue;
+ port_info->phy_info[i].attached.channel = sas_device->channel;
+ port_info->phy_info[i].attached.id = sas_device->id;
+ port_info->phy_info[i].attached.sas_address =
+ sas_device->sas_address;
+ port_info->phy_info[i].attached.handle = sas_device->handle;
+ port_info->phy_info[i].attached.handle_parent =
+ sas_device->handle_parent;
+ port_info->phy_info[i].attached.handle_enclosure =
+ sas_device->handle_enclosure;
+ }
+ mutex_unlock(&ioc->sas_topology_mutex);
+ out:
+ return phy_info;
+}
+
+/**
+ * mptsas_firmware_event_work - work thread for processing fw events
+ * @work: work queue payload containing info describing the event
+ * Context: user
+ *
+ */
+static void
+mptsas_firmware_event_work(struct work_struct *work)
+{
+ struct fw_event_work *fw_event =
+ container_of(work, struct fw_event_work, work.work);
+ MPT_ADAPTER *ioc = fw_event->ioc;
+
+
+ /* events handling turned off during host reset */
+ if (ioc->fw_events_off) {
+ mptsas_free_fw_event(ioc, fw_event);
+ return;
+ }
+
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), "
+ "event = (0x%02x)\n", ioc->name, __func__, fw_event,
+ (fw_event->event & 0xFF)));
+
+ switch (fw_event->event) {
+ case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
+ mptsas_send_sas_event(fw_event);
+ break;
+ case MPI_EVENT_INTEGRATED_RAID:
+ mptsas_send_raid_event(fw_event);
+ break;
+ case MPI_EVENT_IR2:
+ mptsas_send_ir2_event(fw_event);
+ break;
+ case MPI_EVENT_PERSISTENT_TABLE_FULL:
+ mptbase_sas_persist_operation(ioc,
+ MPI_SAS_OP_CLEAR_NOT_PRESENT);
+ mptsas_free_fw_event(ioc, fw_event);
+ break;
+ }
+}
+
+
+
static int
mptsas_slave_configure(struct scsi_device *sdev)
{
+ struct Scsi_Host *host = sdev->host;
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
if (sdev->channel == MPTSAS_RAID_CHANNEL)
goto out;
sas_read_port_mode_page(sdev);
+ mptsas_add_device_component_starget(ioc, scsi_target(sdev));
+
out:
return mptscsih_slave_configure(sdev);
}
@@ -984,11 +1510,15 @@
struct sas_rphy *rphy;
struct mptsas_portinfo *p;
int i;
- MPT_ADAPTER *ioc = hd->ioc;
+ MPT_ADAPTER *ioc = hd->ioc;
+ VirtTarget *vtarget;
if (!starget->hostdata)
return;
+ vtarget = starget->hostdata;
+
+
if (starget->channel == MPTSAS_RAID_CHANNEL)
goto out;
@@ -998,12 +1528,21 @@
if (p->phy_info[i].attached.sas_address !=
rphy->identify.sas_address)
continue;
+
+ starget_printk(KERN_INFO, starget, MYIOC_s_FMT
+ "delete device: fw_channel %d, fw_id %d, phy %d, "
+ "sas_addr 0x%llx\n", ioc->name,
+ p->phy_info[i].attached.channel,
+ p->phy_info[i].attached.id,
+ p->phy_info[i].attached.phy_id, (unsigned long long)
+ p->phy_info[i].attached.sas_address);
+
mptsas_set_starget(&p->phy_info[i], NULL);
- goto out;
}
}
out:
+ vtarget->starget = NULL;
kfree(starget->hostdata);
starget->hostdata = NULL;
}
@@ -2471,6 +3010,7 @@
kfree(ev);
}
+
static struct mptsas_phyinfo *
mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
{
@@ -2495,30 +3035,6 @@
return phy_info;
}
-static struct mptsas_phyinfo *
-mptsas_find_phyinfo_by_target(MPT_ADAPTER *ioc, u8 channel, u8 id)
-{
- struct mptsas_portinfo *port_info;
- struct mptsas_phyinfo *phy_info = NULL;
- int i;
-
- mutex_lock(&ioc->sas_topology_mutex);
- list_for_each_entry(port_info, &ioc->sas_topology, list) {
- for (i = 0; i < port_info->num_phys; i++) {
- if (!mptsas_is_end_device(
- &port_info->phy_info[i].attached))
- continue;
- if (port_info->phy_info[i].attached.id != id)
- continue;
- if (port_info->phy_info[i].attached.channel != channel)
- continue;
- phy_info = &port_info->phy_info[i];
- break;
- }
- }
- mutex_unlock(&ioc->sas_topology_mutex);
- return phy_info;
-}
static struct mptsas_phyinfo *
mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
@@ -2547,17 +3063,6 @@
return phy_info;
}
-/*
- * Work queue thread to clear the persitency table
- */
-static void
-mptsas_persist_clear_table(struct work_struct *work)
-{
- MPT_ADAPTER *ioc = container_of(work, MPT_ADAPTER, sas_persist_task);
-
- mptbase_sas_persist_operation(ioc, MPI_SAS_OP_CLEAR_NOT_PRESENT);
-}
-
static void
mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
{
@@ -2583,7 +3088,8 @@
pRaidVolumePage0_t buffer = NULL;
RaidPhysDiskPage0_t phys_disk;
int i;
- struct mptsas_hotplug_event *ev;
+ struct mptsas_phyinfo *phy_info;
+ struct mptsas_devinfo sas_device;
memset(&cfg, 0 , sizeof(CONFIGPARMS));
memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
@@ -2623,20 +3129,16 @@
buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
continue;
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (!ev) {
- printk(MYIOC_s_WARN_FMT "mptsas: lost hotplug event\n", ioc->name);
- goto out;
- }
+ if (mptsas_sas_device_pg0(ioc, &sas_device,
+ (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
+ MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
+ (phys_disk.PhysDiskBus << 8) +
+ phys_disk.PhysDiskID))
+ continue;
- INIT_WORK(&ev->work, mptsas_hotplug_work);
- ev->ioc = ioc;
- ev->id = phys_disk.PhysDiskID;
- ev->channel = phys_disk.PhysDiskBus;
- ev->phys_disk_num_valid = 1;
- ev->phys_disk_num = phys_disk.PhysDiskNum;
- ev->event_type = MPTSAS_ADD_DEVICE;
- schedule_work(&ev->work);
+ phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
+ sas_device.sas_address);
+ mptsas_add_end_device(ioc, phy_info);
}
out:
@@ -2648,417 +3150,385 @@
* Work queue thread to handle SAS hotplug events
*/
static void
-mptsas_hotplug_work(struct work_struct *work)
+mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
+ struct mptsas_hotplug_event *hot_plug_info)
{
- struct mptsas_hotplug_event *ev =
- container_of(work, struct mptsas_hotplug_event, work);
-
- MPT_ADAPTER *ioc = ev->ioc;
struct mptsas_phyinfo *phy_info;
- struct sas_rphy *rphy;
- struct sas_port *port;
- struct scsi_device *sdev;
struct scsi_target * starget;
- struct sas_identify identify;
- char *ds = NULL;
struct mptsas_devinfo sas_device;
VirtTarget *vtarget;
- VirtDevice *vdevice;
+ int i;
- mutex_lock(&ioc->sas_discovery_mutex);
- switch (ev->event_type) {
- case MPTSAS_DEL_DEVICE:
+ switch (hot_plug_info->event_type) {
- phy_info = NULL;
- if (ev->phys_disk_num_valid) {
- if (ev->hidden_raid_component){
- if (mptsas_sas_device_pg0(ioc, &sas_device,
- (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
- MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
- (ev->channel << 8) + ev->id)) {
- dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- break;
- }
- phy_info = mptsas_find_phyinfo_by_sas_address(
- ioc, sas_device.sas_address);
- }else
- phy_info = mptsas_find_phyinfo_by_phys_disk_num(
- ioc, ev->channel, ev->phys_disk_num);
- }
+ case MPTSAS_ADD_PHYSDISK:
- if (!phy_info)
- phy_info = mptsas_find_phyinfo_by_target(ioc,
- ev->channel, ev->id);
-
- /*
- * Sanity checks, for non-existing phys and remote rphys.
- */
- if (!phy_info){
- dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
+ if (!ioc->raid_data.pIocPg2)
break;
- }
- if (!phy_info->port_details) {
- dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- break;
- }
- rphy = mptsas_get_rphy(phy_info);
- if (!rphy) {
- dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- break;
- }
- port = mptsas_get_port(phy_info);
- if (!port) {
- dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- break;
- }
-
- starget = mptsas_get_starget(phy_info);
- if (starget) {
- vtarget = starget->hostdata;
-
- if (!vtarget) {
- dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- break;
- }
-
- /*
- * Handling RAID components
- */
- if (ev->phys_disk_num_valid &&
- ev->hidden_raid_component) {
- printk(MYIOC_s_INFO_FMT
- "RAID Hidding: channel=%d, id=%d, "
- "physdsk %d \n", ioc->name, ev->channel,
- ev->id, ev->phys_disk_num);
- vtarget->id = ev->phys_disk_num;
- vtarget->tflags |=
- MPT_TARGET_FLAGS_RAID_COMPONENT;
- mptsas_reprobe_target(starget, 1);
- phy_info->attached.phys_disk_num =
- ev->phys_disk_num;
- break;
+ for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
+ if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
+ hot_plug_info->id) {
+ printk(MYIOC_s_WARN_FMT "firmware bug: unable "
+ "to add hidden disk - target_id matchs "
+ "volume_id\n", ioc->name);
+ mptsas_free_fw_event(ioc, fw_event);
+ return;
}
}
+ mpt_findImVolumes(ioc);
- if (phy_info->attached.device_info &
- MPI_SAS_DEVICE_INFO_SSP_TARGET)
- ds = "ssp";
- if (phy_info->attached.device_info &
- MPI_SAS_DEVICE_INFO_STP_TARGET)
- ds = "stp";
- if (phy_info->attached.device_info &
- MPI_SAS_DEVICE_INFO_SATA_DEVICE)
- ds = "sata";
-
- printk(MYIOC_s_INFO_FMT
- "removing %s device, channel %d, id %d, phy %d\n",
- ioc->name, ds, ev->channel, ev->id, phy_info->phy_id);
- dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
- "delete port (%d)\n", ioc->name, port->port_identifier);
- sas_port_delete(port);
- mptsas_port_delete(ioc, phy_info->port_details);
- break;
case MPTSAS_ADD_DEVICE:
+ memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
+ mptsas_sas_device_pg0(ioc, &sas_device,
+ (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
+ MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
+ (hot_plug_info->channel << 8) +
+ hot_plug_info->id);
- if (ev->phys_disk_num_valid)
- mpt_findImVolumes(ioc);
+ if (!sas_device.handle)
+ return;
- /*
- * Refresh sas device pg0 data
- */
+ phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
+ if (!phy_info)
+ break;
+
+ if (mptsas_get_rphy(phy_info))
+ break;
+
+ mptsas_add_end_device(ioc, phy_info);
+ break;
+
+ case MPTSAS_DEL_DEVICE:
+ phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
+ hot_plug_info->sas_address);
+ mptsas_del_end_device(ioc, phy_info);
+ break;
+
+ case MPTSAS_DEL_PHYSDISK:
+
+ mpt_findImVolumes(ioc);
+
+ phy_info = mptsas_find_phyinfo_by_phys_disk_num(
+ ioc, hot_plug_info->channel,
+ hot_plug_info->phys_disk_num);
+ mptsas_del_end_device(ioc, phy_info);
+ break;
+
+ case MPTSAS_ADD_PHYSDISK_REPROBE:
+
if (mptsas_sas_device_pg0(ioc, &sas_device,
(MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
- (ev->channel << 8) + ev->id)) {
- dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
+ (hot_plug_info->channel << 8) + hot_plug_info->id)) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, hot_plug_info->id, __LINE__));
break;
}
- __mptsas_discovery_work(ioc);
+ phy_info = mptsas_find_phyinfo_by_sas_address(
+ ioc, sas_device.sas_address);
- phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
- sas_device.sas_address);
-
- if (!phy_info || !phy_info->port_details) {
+ if (!phy_info) {
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, hot_plug_info->id, __LINE__));
break;
}
starget = mptsas_get_starget(phy_info);
- if (starget && (!ev->hidden_raid_component)){
+ if (!starget) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, hot_plug_info->id, __LINE__));
+ break;
+ }
- vtarget = starget->hostdata;
+ vtarget = starget->hostdata;
+ if (!vtarget) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, hot_plug_info->id, __LINE__));
+ break;
+ }
- if (!vtarget) {
+ mpt_findImVolumes(ioc);
+
+ starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
+ "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
+ ioc->name, hot_plug_info->channel, hot_plug_info->id,
+ hot_plug_info->phys_disk_num, (unsigned long long)
+ sas_device.sas_address);
+
+ vtarget->id = hot_plug_info->phys_disk_num;
+ vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
+ phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
+ mptsas_reprobe_target(starget, 1);
+ break;
+
+ case MPTSAS_DEL_PHYSDISK_REPROBE:
+
+ if (mptsas_sas_device_pg0(ioc, &sas_device,
+ (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
+ MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
+ (hot_plug_info->channel << 8) + hot_plug_info->id)) {
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- break;
- }
- /*
- * Handling RAID components
- */
- if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
- printk(MYIOC_s_INFO_FMT
- "RAID Exposing: channel=%d, id=%d, "
- "physdsk %d \n", ioc->name, ev->channel,
- ev->id, ev->phys_disk_num);
- vtarget->tflags &=
- ~MPT_TARGET_FLAGS_RAID_COMPONENT;
- vtarget->id = ev->id;
- mptsas_reprobe_target(starget, 0);
- phy_info->attached.phys_disk_num = ~0;
- }
+ "%s: fw_id=%d exit at line=%d\n",
+ ioc->name, __func__,
+ hot_plug_info->id, __LINE__));
break;
}
- if (mptsas_get_rphy(phy_info)) {
+ phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
+ sas_device.sas_address);
+ if (!phy_info) {
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- if (ev->channel) printk("%d\n", __LINE__);
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, hot_plug_info->id, __LINE__));
break;
}
- port = mptsas_get_port(phy_info);
- if (!port) {
+ starget = mptsas_get_starget(phy_info);
+ if (!starget) {
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, hot_plug_info->id, __LINE__));
break;
}
- memcpy(&phy_info->attached, &sas_device,
- sizeof(struct mptsas_devinfo));
- if (phy_info->attached.device_info &
- MPI_SAS_DEVICE_INFO_SSP_TARGET)
- ds = "ssp";
- if (phy_info->attached.device_info &
- MPI_SAS_DEVICE_INFO_STP_TARGET)
- ds = "stp";
- if (phy_info->attached.device_info &
- MPI_SAS_DEVICE_INFO_SATA_DEVICE)
- ds = "sata";
-
- printk(MYIOC_s_INFO_FMT
- "attaching %s device, channel %d, id %d, phy %d\n",
- ioc->name, ds, ev->channel, ev->id, ev->phy_id);
-
- mptsas_parse_device_info(&identify, &phy_info->attached);
- rphy = sas_end_device_alloc(port);
- if (!rphy) {
+ vtarget = starget->hostdata;
+ if (!vtarget) {
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- break; /* non-fatal: an rphy can be added later */
- }
-
- rphy->identify = identify;
- if (sas_rphy_add(rphy)) {
- dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
- "%s: exit at line=%d\n", ioc->name,
- __func__, __LINE__));
- sas_rphy_free(rphy);
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, hot_plug_info->id, __LINE__));
break;
}
- mptsas_set_rphy(ioc, phy_info, rphy);
+
+ if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: fw_id=%d exit at line=%d\n", ioc->name,
+ __func__, hot_plug_info->id, __LINE__));
+ break;
+ }
+
+ mpt_findImVolumes(ioc);
+
+ starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
+ " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
+ ioc->name, hot_plug_info->channel, hot_plug_info->id,
+ hot_plug_info->phys_disk_num, (unsigned long long)
+ sas_device.sas_address);
+
+ vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
+ vtarget->id = hot_plug_info->id;
+ phy_info->attached.phys_disk_num = ~0;
+ mptsas_reprobe_target(starget, 0);
+ mptsas_add_device_component_by_fw(ioc,
+ hot_plug_info->channel, hot_plug_info->id);
break;
+
case MPTSAS_ADD_RAID:
- sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
- ev->id, 0);
- if (sdev) {
- scsi_device_put(sdev);
- break;
- }
- printk(MYIOC_s_INFO_FMT
- "attaching raid volume, channel %d, id %d\n",
- ioc->name, MPTSAS_RAID_CHANNEL, ev->id);
- scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL, ev->id, 0);
+
mpt_findImVolumes(ioc);
+ printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
+ "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
+ hot_plug_info->id);
+ scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
+ hot_plug_info->id, 0);
break;
+
case MPTSAS_DEL_RAID:
- sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
- ev->id, 0);
- if (!sdev)
- break;
- printk(MYIOC_s_INFO_FMT
- "removing raid volume, channel %d, id %d\n",
- ioc->name, MPTSAS_RAID_CHANNEL, ev->id);
- vdevice = sdev->hostdata;
- scsi_remove_device(sdev);
- scsi_device_put(sdev);
+
mpt_findImVolumes(ioc);
+ printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
+ "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
+ hot_plug_info->id);
+ scsi_remove_device(hot_plug_info->sdev);
+ scsi_device_put(hot_plug_info->sdev);
break;
+
case MPTSAS_ADD_INACTIVE_VOLUME:
+
+ mpt_findImVolumes(ioc);
mptsas_adding_inactive_raid_components(ioc,
- ev->channel, ev->id);
+ hot_plug_info->channel, hot_plug_info->id);
break;
- case MPTSAS_IGNORE_EVENT:
+
default:
break;
}
- mutex_unlock(&ioc->sas_discovery_mutex);
- kfree(ev);
+ mptsas_free_fw_event(ioc, fw_event);
}
static void
-mptsas_send_sas_event(MPT_ADAPTER *ioc,
- EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
+mptsas_send_sas_event(struct fw_event_work *fw_event)
{
- struct mptsas_hotplug_event *ev;
- u32 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
- __le64 sas_address;
+ MPT_ADAPTER *ioc;
+ struct mptsas_hotplug_event hot_plug_info;
+ EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
+ u32 device_info;
+ u64 sas_address;
+
+ ioc = fw_event->ioc;
+ sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
+ fw_event->event_data;
+ device_info = le32_to_cpu(sas_event_data->DeviceInfo);
if ((device_info &
- (MPI_SAS_DEVICE_INFO_SSP_TARGET |
- MPI_SAS_DEVICE_INFO_STP_TARGET |
- MPI_SAS_DEVICE_INFO_SATA_DEVICE )) == 0)
+ (MPI_SAS_DEVICE_INFO_SSP_TARGET |
+ MPI_SAS_DEVICE_INFO_STP_TARGET |
+ MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
+ mptsas_free_fw_event(ioc, fw_event);
return;
+ }
+
+ if (sas_event_data->ReasonCode ==
+ MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
+ mptbase_sas_persist_operation(ioc,
+ MPI_SAS_OP_CLEAR_NOT_PRESENT);
+ mptsas_free_fw_event(ioc, fw_event);
+ return;
+ }
switch (sas_event_data->ReasonCode) {
case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
-
- mptsas_target_reset_queue(ioc, sas_event_data);
- break;
-
case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (!ev) {
- printk(MYIOC_s_WARN_FMT "lost hotplug event\n", ioc->name);
- break;
- }
-
- INIT_WORK(&ev->work, mptsas_hotplug_work);
- ev->ioc = ioc;
- ev->handle = le16_to_cpu(sas_event_data->DevHandle);
- ev->parent_handle =
- le16_to_cpu(sas_event_data->ParentDevHandle);
- ev->channel = sas_event_data->Bus;
- ev->id = sas_event_data->TargetID;
- ev->phy_id = sas_event_data->PhyNum;
+ memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
+ hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
+ hot_plug_info.channel = sas_event_data->Bus;
+ hot_plug_info.id = sas_event_data->TargetID;
+ hot_plug_info.phy_id = sas_event_data->PhyNum;
memcpy(&sas_address, &sas_event_data->SASAddress,
- sizeof(__le64));
- ev->sas_address = le64_to_cpu(sas_address);
- ev->device_info = device_info;
-
+ sizeof(u64));
+ hot_plug_info.sas_address = le64_to_cpu(sas_address);
+ hot_plug_info.device_info = device_info;
if (sas_event_data->ReasonCode &
MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
- ev->event_type = MPTSAS_ADD_DEVICE;
+ hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
else
- ev->event_type = MPTSAS_DEL_DEVICE;
- schedule_work(&ev->work);
+ hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
+ mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
break;
+
case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
- /*
- * Persistent table is full.
- */
- INIT_WORK(&ioc->sas_persist_task,
- mptsas_persist_clear_table);
- schedule_work(&ioc->sas_persist_task);
+ mptbase_sas_persist_operation(ioc,
+ MPI_SAS_OP_CLEAR_NOT_PRESENT);
+ mptsas_free_fw_event(ioc, fw_event);
break;
- /*
- * TODO, handle other events
- */
+
case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
- case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
+ /* TODO */
case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
- case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
- case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
- case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
- case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
+ /* TODO */
default:
+ mptsas_free_fw_event(ioc, fw_event);
break;
}
}
+
static void
-mptsas_send_raid_event(MPT_ADAPTER *ioc,
- EVENT_DATA_RAID *raid_event_data)
+mptsas_send_raid_event(struct fw_event_work *fw_event)
{
- struct mptsas_hotplug_event *ev;
- int status = le32_to_cpu(raid_event_data->SettingsStatus);
- int state = (status >> 8) & 0xff;
+ MPT_ADAPTER *ioc;
+ EVENT_DATA_RAID *raid_event_data;
+ struct mptsas_hotplug_event hot_plug_info;
+ int status;
+ int state;
+ struct scsi_device *sdev = NULL;
+ VirtDevice *vdevice = NULL;
+ RaidPhysDiskPage0_t phys_disk;
- if (ioc->bus_type != SAS)
- return;
+ ioc = fw_event->ioc;
+ raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
+ status = le32_to_cpu(raid_event_data->SettingsStatus);
+ state = (status >> 8) & 0xff;
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (!ev) {
- printk(MYIOC_s_WARN_FMT "lost hotplug event\n", ioc->name);
- return;
+ memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
+ hot_plug_info.id = raid_event_data->VolumeID;
+ hot_plug_info.channel = raid_event_data->VolumeBus;
+ hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
+
+ if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
+ raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
+ raid_event_data->ReasonCode ==
+ MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
+ sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
+ hot_plug_info.id, 0);
+ hot_plug_info.sdev = sdev;
+ if (sdev)
+ vdevice = sdev->hostdata;
}
- INIT_WORK(&ev->work, mptsas_hotplug_work);
- ev->ioc = ioc;
- ev->id = raid_event_data->VolumeID;
- ev->channel = raid_event_data->VolumeBus;
- ev->event_type = MPTSAS_IGNORE_EVENT;
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
+ "ReasonCode=%02x\n", ioc->name, __func__,
+ raid_event_data->ReasonCode));
switch (raid_event_data->ReasonCode) {
case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
- ev->phys_disk_num_valid = 1;
- ev->phys_disk_num = raid_event_data->PhysDiskNum;
- ev->event_type = MPTSAS_ADD_DEVICE;
+ hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
break;
case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
- ev->phys_disk_num_valid = 1;
- ev->phys_disk_num = raid_event_data->PhysDiskNum;
- ev->hidden_raid_component = 1;
- ev->event_type = MPTSAS_DEL_DEVICE;
+ hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
break;
case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
switch (state) {
case MPI_PD_STATE_ONLINE:
case MPI_PD_STATE_NOT_COMPATIBLE:
- ev->phys_disk_num_valid = 1;
- ev->phys_disk_num = raid_event_data->PhysDiskNum;
- ev->hidden_raid_component = 1;
- ev->event_type = MPTSAS_ADD_DEVICE;
+ mpt_raid_phys_disk_pg0(ioc,
+ raid_event_data->PhysDiskNum, &phys_disk);
+ hot_plug_info.id = phys_disk.PhysDiskID;
+ hot_plug_info.channel = phys_disk.PhysDiskBus;
+ hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
break;
+ case MPI_PD_STATE_FAILED:
case MPI_PD_STATE_MISSING:
case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
- ev->phys_disk_num_valid = 1;
- ev->phys_disk_num = raid_event_data->PhysDiskNum;
- ev->event_type = MPTSAS_DEL_DEVICE;
+ hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
break;
default:
break;
}
break;
case MPI_EVENT_RAID_RC_VOLUME_DELETED:
- ev->event_type = MPTSAS_DEL_RAID;
+ if (!sdev)
+ break;
+ vdevice->vtarget->deleted = 1; /* block IO */
+ hot_plug_info.event_type = MPTSAS_DEL_RAID;
break;
case MPI_EVENT_RAID_RC_VOLUME_CREATED:
- ev->event_type = MPTSAS_ADD_RAID;
+ if (sdev) {
+ scsi_device_put(sdev);
+ break;
+ }
+ hot_plug_info.event_type = MPTSAS_ADD_RAID;
break;
case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
+ if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
+ if (!sdev)
+ break;
+ vdevice->vtarget->deleted = 1; /* block IO */
+ hot_plug_info.event_type = MPTSAS_DEL_RAID;
+ break;
+ }
switch (state) {
case MPI_RAIDVOL0_STATUS_STATE_FAILED:
case MPI_RAIDVOL0_STATUS_STATE_MISSING:
- ev->event_type = MPTSAS_DEL_RAID;
+ if (!sdev)
+ break;
+ vdevice->vtarget->deleted = 1; /* block IO */
+ hot_plug_info.event_type = MPTSAS_DEL_RAID;
break;
case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
- ev->event_type = MPTSAS_ADD_RAID;
+ if (sdev) {
+ scsi_device_put(sdev);
+ break;
+ }
+ hot_plug_info.event_type = MPTSAS_ADD_RAID;
break;
default:
break;
@@ -3067,7 +3537,11 @@
default:
break;
}
- schedule_work(&ev->work);
+
+ if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
+ mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
+ else
+ mptsas_free_fw_event(ioc, fw_event);
}
static void
@@ -3106,76 +3580,88 @@
*
*/
static void
-mptsas_send_ir2_event(MPT_ADAPTER *ioc, PTR_MPI_EVENT_DATA_IR2 ir2_data)
+mptsas_send_ir2_event(struct fw_event_work *fw_event)
{
- struct mptsas_hotplug_event *ev;
+ MPT_ADAPTER *ioc;
+ struct mptsas_hotplug_event hot_plug_info;
+ MPI_EVENT_DATA_IR2 *ir2_data;
+ u8 reasonCode;
- if (ir2_data->ReasonCode !=
- MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED)
+ ioc = fw_event->ioc;
+ ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
+ reasonCode = ir2_data->ReasonCode;
+
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
+ "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
+
+ memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
+ hot_plug_info.id = ir2_data->TargetID;
+ hot_plug_info.channel = ir2_data->Bus;
+ switch (reasonCode) {
+ case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
+ hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
+ break;
+ default:
+ mptsas_free_fw_event(ioc, fw_event);
return;
-
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (!ev)
- return;
-
- INIT_WORK(&ev->work, mptsas_hotplug_work);
- ev->ioc = ioc;
- ev->id = ir2_data->TargetID;
- ev->channel = ir2_data->Bus;
- ev->event_type = MPTSAS_ADD_INACTIVE_VOLUME;
-
- schedule_work(&ev->work);
-};
+ }
+ mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
+}
static int
mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
{
- int rc=1;
- u8 event = le32_to_cpu(reply->Event) & 0xFF;
+ u32 event = le32_to_cpu(reply->Event);
+ int sz, event_data_sz;
+ struct fw_event_work *fw_event;
+ unsigned long delay;
- if (!ioc->sh)
- goto out;
+ /* events turned off due to host reset or driver unloading */
+ if (ioc->fw_events_off)
+ return 0;
- /*
- * sas_discovery_ignore_events
- *
- * This flag is to prevent anymore processing of
- * sas events once mptsas_remove function is called.
- */
- if (ioc->sas_discovery_ignore_events) {
- rc = mptscsih_event_process(ioc, reply);
- goto out;
- }
-
+ delay = msecs_to_jiffies(1);
switch (event) {
case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
- mptsas_send_sas_event(ioc,
- (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data);
+ {
+ EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
+ (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
+
+ if (sas_event_data->ReasonCode ==
+ MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
+ mptsas_target_reset_queue(ioc, sas_event_data);
+ return 0;
+ }
break;
- case MPI_EVENT_INTEGRATED_RAID:
- mptsas_send_raid_event(ioc,
- (EVENT_DATA_RAID *)reply->Data);
- break;
- case MPI_EVENT_PERSISTENT_TABLE_FULL:
- INIT_WORK(&ioc->sas_persist_task,
- mptsas_persist_clear_table);
- schedule_work(&ioc->sas_persist_task);
- break;
- case MPI_EVENT_SAS_DISCOVERY:
+ }
+ case MPI_EVENT_SAS_DISCOVERY:
mptsas_send_discovery_event(ioc,
(EVENT_DATA_SAS_DISCOVERY *)reply->Data);
break;
+ case MPI_EVENT_INTEGRATED_RAID:
+ case MPI_EVENT_PERSISTENT_TABLE_FULL:
case MPI_EVENT_IR2:
- mptsas_send_ir2_event(ioc,
- (PTR_MPI_EVENT_DATA_IR2)reply->Data);
+ case MPI_EVENT_SAS_PHY_LINK_STATUS:
+ case MPI_EVENT_QUEUE_FULL:
break;
default:
- rc = mptscsih_event_process(ioc, reply);
- break;
+ return 0;
}
- out:
- return rc;
+ event_data_sz = ((reply->MsgLength * 4) -
+ offsetof(EventNotificationReply_t, Data));
+ sz = offsetof(struct fw_event_work, event_data) + event_data_sz;
+ fw_event = kzalloc(sz, GFP_ATOMIC);
+ if (!fw_event) {
+ printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
+ __func__, __LINE__);
+ return 0;
+ }
+ memcpy(fw_event->event_data, reply->Data, event_data_sz);
+ fw_event->event = event;
+ fw_event->ioc = ioc;
+ mptsas_add_fw_event(ioc, fw_event, delay);
+ return 0;
}
static int
@@ -3197,6 +3683,7 @@
return r;
ioc = pci_get_drvdata(pdev);
+ mptsas_fw_event_off(ioc);
ioc->DoneCtx = mptsasDoneCtx;
ioc->TaskCtx = mptsasTaskCtx;
ioc->InternalCtx = mptsasInternalCtx;
@@ -3339,6 +3826,9 @@
hd->last_queue_full = 0;
INIT_LIST_HEAD(&hd->target_reset_list);
+ INIT_LIST_HEAD(&ioc->sas_device_info_list);
+ mutex_init(&ioc->sas_device_info_mutex);
+
spin_unlock_irqrestore(&ioc->FreeQlock, flags);
if (ioc->sas_data.ptClear==1) {
@@ -3354,7 +3844,7 @@
}
mptsas_scan_sas_topology(ioc);
-
+ mptsas_fw_event_on(ioc);
return 0;
out_mptsas_probe:
@@ -3368,7 +3858,8 @@
{
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
- ioc->sas_discovery_quiesce_io = 0;
+ mptsas_fw_event_off(ioc);
+ mptsas_cleanup_fw_event_q(ioc);
}
static void __devexit mptsas_remove(struct pci_dev *pdev)
@@ -3379,6 +3870,8 @@
mptsas_shutdown(pdev);
+ mptsas_del_device_components(ioc);
+
ioc->sas_discovery_ignore_events = 1;
sas_remove_host(ioc->sh);
@@ -3387,6 +3880,7 @@
list_del(&p->list);
for (i = 0 ; i < p->num_phys ; i++)
mptsas_port_delete(ioc, p->phy_info[i].port_details);
+
kfree(p->phy_info);
kfree(p);
}
diff --git a/drivers/message/fusion/mptsas.h b/drivers/message/fusion/mptsas.h
index bf528a5..9e0885a 100644
--- a/drivers/message/fusion/mptsas.h
+++ b/drivers/message/fusion/mptsas.h
@@ -61,12 +61,30 @@
MPTSAS_DEL_DEVICE,
MPTSAS_ADD_RAID,
MPTSAS_DEL_RAID,
+ MPTSAS_ADD_PHYSDISK,
+ MPTSAS_ADD_PHYSDISK_REPROBE,
+ MPTSAS_DEL_PHYSDISK,
+ MPTSAS_DEL_PHYSDISK_REPROBE,
MPTSAS_ADD_INACTIVE_VOLUME,
MPTSAS_IGNORE_EVENT,
};
+struct mptsas_mapping{
+ u8 id;
+ u8 channel;
+};
+
+struct mptsas_device_info {
+ struct list_head list;
+ struct mptsas_mapping os; /* operating system mapping*/
+ struct mptsas_mapping fw; /* firmware mapping */
+ u64 sas_address;
+ u32 device_info; /* specific bits for devices */
+ u16 slot; /* enclosure slot id */
+ u64 enclosure_logical_id; /*enclosure address */
+};
+
struct mptsas_hotplug_event {
- struct work_struct work;
MPT_ADAPTER *ioc;
enum mptsas_hotplug_action event_type;
u64 sas_address;
@@ -74,11 +92,18 @@
u8 id;
u32 device_info;
u16 handle;
- u16 parent_handle;
u8 phy_id;
- u8 phys_disk_num_valid; /* hrc (hidden raid component) */
u8 phys_disk_num; /* hrc - unique index*/
- u8 hidden_raid_component; /* hrc - don't expose*/
+ struct scsi_device *sdev;
+};
+
+struct fw_event_work {
+ struct list_head list;
+ struct delayed_work work;
+ MPT_ADAPTER *ioc;
+ u32 event;
+ u8 retries;
+ u8 event_data[1];
};
struct mptsas_discovery_event {