#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/crash_dump.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/pci.h>
int wait;
unsigned long flags = 0;
unsigned long mflags = 0;
+ struct aac_hba_cmd_req *hbacmd = (struct aac_hba_cmd_req *)
+ fibptr->hw_fib_va;
fibptr->flags = (FIB_CONTEXT_FLAG | FIB_CONTEXT_FLAG_NATIVE_HBA);
if (callback) {
wait = 1;
- if (command == HBA_IU_TYPE_SCSI_CMD_REQ) {
- struct aac_hba_cmd_req *hbacmd =
- (struct aac_hba_cmd_req *)fibptr->hw_fib_va;
+ hbacmd->iu_type = command;
- hbacmd->iu_type = command;
+ if (command == HBA_IU_TYPE_SCSI_CMD_REQ) {
/* bit1 of request_id must be 0 */
hbacmd->request_id =
cpu_to_le32((((u32)(fibptr - dev->fibs)) << 2) + 1);
host = aac->scsi_host_ptr;
scsi_block_requests(host);
aac_adapter_disable_int(aac);
- if (aac->thread->pid != current->pid) {
+ if (aac->thread && aac->thread->pid != current->pid) {
spin_unlock_irq(host->host_lock);
kthread_stop(aac->thread);
+ aac->thread = NULL;
jafo = 1;
}
aac->name);
if (IS_ERR(aac->thread)) {
retval = PTR_ERR(aac->thread);
+ aac->thread = NULL;
goto out;
}
}
command->scsi_done(command);
}
/*
- * Any Device that was already marked offline needs to be cleaned up
+ * Any Device that was already marked offline needs to be marked
+ * running
*/
__shost_for_each_device(dev, host) {
- if (!scsi_device_online(dev)) {
- sdev_printk(KERN_INFO, dev, "Removing offline device\n");
- scsi_remove_device(dev);
- scsi_device_put(dev);
- }
+ if (!scsi_device_online(dev))
+ scsi_device_set_state(dev, SDEV_RUNNING);
}
retval = 0;
out:
aac->in_reset = 0;
scsi_unblock_requests(host);
+
/*
* Issue bus rescan to catch any configuration that might have
* occurred
*/
- if (!retval) {
- dev_info(&aac->pdev->dev, "Issuing bus rescan\n");
- scsi_scan_host(host);
+ if (!retval && !is_kdump_kernel()) {
+ dev_info(&aac->pdev->dev, "Scheduling bus rescan\n");
+ aac_schedule_safw_scan_worker(aac);
}
+
if (jafo) {
spin_lock_irq(host->host_lock);
}
*/
host = aac->scsi_host_ptr;
scsi_block_requests(host);
- if (forced < 2) for (retval = 60; retval; --retval) {
- struct scsi_device * dev;
- struct scsi_cmnd * command;
- int active = 0;
-
- __shost_for_each_device(dev, host) {
- spin_lock_irqsave(&dev->list_lock, flagv);
- list_for_each_entry(command, &dev->cmd_list, list) {
- if (command->SCp.phase == AAC_OWNER_FIRMWARE) {
- active++;
- break;
- }
- }
- spin_unlock_irqrestore(&dev->list_lock, flagv);
- if (active)
- break;
-
- }
- /*
- * We can exit If all the commands are complete
- */
- if (active == 0)
- break;
- ssleep(1);
- }
/* Quiesce build, flush cache, write through mode */
if (forced < 2)
return BlinkLED;
}
+static inline int is_safw_raid_volume(struct aac_dev *aac, int bus, int target)
+{
+ return bus == CONTAINER_CHANNEL && target < aac->maximum_num_containers;
+}
-static void aac_resolve_luns(struct aac_dev *dev)
+static struct scsi_device *aac_lookup_safw_scsi_device(struct aac_dev *dev,
+ int bus,
+ int target)
+{
+ if (bus != CONTAINER_CHANNEL)
+ bus = aac_phys_to_logical(bus);
+
+ return scsi_device_lookup(dev->scsi_host_ptr, bus, target, 0);
+}
+
+static int aac_add_safw_device(struct aac_dev *dev, int bus, int target)
+{
+ if (bus != CONTAINER_CHANNEL)
+ bus = aac_phys_to_logical(bus);
+
+ return scsi_add_device(dev->scsi_host_ptr, bus, target, 0);
+}
+
+static void aac_put_safw_scsi_device(struct scsi_device *sdev)
+{
+ if (sdev)
+ scsi_device_put(sdev);
+}
+
+static void aac_remove_safw_device(struct aac_dev *dev, int bus, int target)
{
- int bus, target, channel;
struct scsi_device *sdev;
- u8 devtype;
- u8 new_devtype;
- for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
- for (target = 0; target < AAC_MAX_TARGETS; target++) {
+ sdev = aac_lookup_safw_scsi_device(dev, bus, target);
+ scsi_remove_device(sdev);
+ aac_put_safw_scsi_device(sdev);
+}
- if (bus == CONTAINER_CHANNEL)
- channel = CONTAINER_CHANNEL;
- else
- channel = aac_phys_to_logical(bus);
+static inline int aac_is_safw_scan_count_equal(struct aac_dev *dev,
+ int bus, int target)
+{
+ return dev->hba_map[bus][target].scan_counter == dev->scan_counter;
+}
- devtype = dev->hba_map[bus][target].devtype;
- new_devtype = dev->hba_map[bus][target].new_devtype;
+static int aac_is_safw_target_valid(struct aac_dev *dev, int bus, int target)
+{
+ if (is_safw_raid_volume(dev, bus, target))
+ return dev->fsa_dev[target].valid;
+ else
+ return aac_is_safw_scan_count_equal(dev, bus, target);
+}
- sdev = scsi_device_lookup(dev->scsi_host_ptr, channel,
- target, 0);
+static int aac_is_safw_device_exposed(struct aac_dev *dev, int bus, int target)
+{
+ int is_exposed = 0;
+ struct scsi_device *sdev;
- if (!sdev && new_devtype)
- scsi_add_device(dev->scsi_host_ptr, channel,
- target, 0);
- else if (sdev && new_devtype != devtype)
- scsi_remove_device(sdev);
- else if (sdev && new_devtype == devtype)
- scsi_rescan_device(&sdev->sdev_gendev);
+ sdev = aac_lookup_safw_scsi_device(dev, bus, target);
+ if (sdev)
+ is_exposed = 1;
+ aac_put_safw_scsi_device(sdev);
- if (sdev)
- scsi_device_put(sdev);
+ return is_exposed;
+}
- dev->hba_map[bus][target].devtype = new_devtype;
- }
+static int aac_update_safw_host_devices(struct aac_dev *dev)
+{
+ int i;
+ int bus;
+ int target;
+ int is_exposed = 0;
+ int rcode = 0;
+
+ rcode = aac_setup_safw_adapter(dev);
+ if (unlikely(rcode < 0)) {
+ goto out;
}
+
+ for (i = 0; i < AAC_BUS_TARGET_LOOP; i++) {
+
+ bus = get_bus_number(i);
+ target = get_target_number(i);
+
+ is_exposed = aac_is_safw_device_exposed(dev, bus, target);
+
+ if (aac_is_safw_target_valid(dev, bus, target) && !is_exposed)
+ aac_add_safw_device(dev, bus, target);
+ else if (!aac_is_safw_target_valid(dev, bus, target) &&
+ is_exposed)
+ aac_remove_safw_device(dev, bus, target);
+ }
+out:
+ return rcode;
+}
+
+static int aac_scan_safw_host(struct aac_dev *dev)
+{
+ int rcode = 0;
+
+ rcode = aac_update_safw_host_devices(dev);
+ if (rcode)
+ aac_schedule_safw_scan_worker(dev);
+
+ return rcode;
+}
+
+int aac_scan_host(struct aac_dev *dev)
+{
+ int rcode = 0;
+
+ mutex_lock(&dev->scan_mutex);
+ if (dev->sa_firmware)
+ rcode = aac_scan_safw_host(dev);
+ else
+ scsi_scan_host(dev->scsi_host_ptr);
+ mutex_unlock(&dev->scan_mutex);
+
+ return rcode;
}
/**
*/
static void aac_handle_sa_aif(struct aac_dev *dev, struct fib *fibptr)
{
- int i, bus, target, container, rcode = 0;
+ int i;
u32 events = 0;
- struct fib *fib;
- struct scsi_device *sdev;
if (fibptr->hbacmd_size & SA_AIF_HOTPLUG)
events = SA_AIF_HOTPLUG;
case SA_AIF_LDEV_CHANGE:
case SA_AIF_BPCFG_CHANGE:
- fib = aac_fib_alloc(dev);
- if (!fib) {
- pr_err("aac_handle_sa_aif: out of memory\n");
- return;
- }
- for (bus = 0; bus < AAC_MAX_BUSES; bus++)
- for (target = 0; target < AAC_MAX_TARGETS; target++)
- dev->hba_map[bus][target].new_devtype = 0;
-
- rcode = aac_report_phys_luns(dev, fib, AAC_RESCAN);
-
- if (rcode != -ERESTARTSYS)
- aac_fib_free(fib);
-
- aac_resolve_luns(dev);
-
- if (events == SA_AIF_LDEV_CHANGE ||
- events == SA_AIF_BPCFG_CHANGE) {
- aac_get_containers(dev);
- for (container = 0; container <
- dev->maximum_num_containers; ++container) {
- sdev = scsi_device_lookup(dev->scsi_host_ptr,
- CONTAINER_CHANNEL,
- container, 0);
- if (dev->fsa_dev[container].valid && !sdev) {
- scsi_add_device(dev->scsi_host_ptr,
- CONTAINER_CHANNEL,
- container, 0);
- } else if (!dev->fsa_dev[container].valid &&
- sdev) {
- scsi_remove_device(sdev);
- scsi_device_put(sdev);
- } else if (sdev) {
- scsi_rescan_device(&sdev->sdev_gendev);
- scsi_device_put(sdev);
- }
- }
- }
+ aac_scan_host(dev);
+
break;
case SA_AIF_BPSTAT_CHANGE:
projects / mirror_ubuntu-bionic-kernel.git / blobdiff