#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_eh.h>
+#include <scsi/scsi_transport_sas.h>
#include <scsi/scsi_dbg.h>
#include <linux/cciss_ioctl.h>
#include <linux/string.h>
#include "hpsa_cmd.h"
#include "hpsa.h"
-/* HPSA_DRIVER_VERSION must be 3 byte values (0-255) separated by '.' */
-#define HPSA_DRIVER_VERSION "3.4.10-0"
+/*
+ * HPSA_DRIVER_VERSION must be 3 byte values (0-255) separated by '.'
+ * with an optional trailing '-' followed by a byte value (0-255).
+ */
+#define HPSA_DRIVER_VERSION "3.4.14-0"
#define DRIVER_NAME "HP HPSA Driver (v " HPSA_DRIVER_VERSION ")"
#define HPSA "hpsa"
{0xFFFF103C, "Unknown Smart Array", &SA5_access},
};
+static struct scsi_transport_template *hpsa_sas_transport_template;
+static int hpsa_add_sas_host(struct ctlr_info *h);
+static void hpsa_delete_sas_host(struct ctlr_info *h);
+static int hpsa_add_sas_device(struct hpsa_sas_node *hpsa_sas_node,
+ struct hpsa_scsi_dev_t *device);
+static void hpsa_remove_sas_device(struct hpsa_scsi_dev_t *device);
+static struct hpsa_scsi_dev_t
+ *hpsa_find_device_by_sas_rphy(struct ctlr_info *h,
+ struct sas_rphy *rphy);
+
#define SCSI_CMD_BUSY ((struct scsi_cmnd *)&hpsa_cmd_busy)
static const struct scsi_cmnd hpsa_cmd_busy;
#define SCSI_CMD_IDLE ((struct scsi_cmnd *)&hpsa_cmd_idle)
static void hpsa_command_resubmit_worker(struct work_struct *work);
static u32 lockup_detected(struct ctlr_info *h);
static int detect_controller_lockup(struct ctlr_info *h);
+static void hpsa_disable_rld_caching(struct ctlr_info *h);
+static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h,
+ struct ReportExtendedLUNdata *buf, int bufsize);
+static int hpsa_luns_changed(struct ctlr_info *h);
static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev)
{
}
static const char * const raid_label[] = { "0", "4", "1(+0)", "5", "5+1", "6",
- "1(+0)ADM", "UNKNOWN"
+ "1(+0)ADM", "UNKNOWN", "PHYS DRV"
};
#define HPSA_RAID_0 0
#define HPSA_RAID_4 1
#define HPSA_RAID_51 4
#define HPSA_RAID_6 5 /* also used for RAID 60 */
#define HPSA_RAID_ADM 6 /* also used for RAID 1+0 ADM */
-#define RAID_UNKNOWN (ARRAY_SIZE(raid_label) - 1)
+#define RAID_UNKNOWN (ARRAY_SIZE(raid_label) - 2)
+#define PHYSICAL_DRIVE (ARRAY_SIZE(raid_label) - 1)
static inline bool is_logical_device(struct hpsa_scsi_dev_t *device)
{
}
#define MAX_PATHS 8
-#define PATH_STRING_LEN 50
static ssize_t path_info_show(struct device *dev,
struct device_attribute *attr, char *buf)
u8 path_map_index = 0;
char *active;
unsigned char phys_connector[2];
- unsigned char path[MAX_PATHS][PATH_STRING_LEN];
- memset(path, 0, MAX_PATHS * PATH_STRING_LEN);
sdev = to_scsi_device(dev);
h = sdev_to_hba(sdev);
spin_lock_irqsave(&h->devlock, flags);
else
continue;
- output_len = snprintf(path[i],
- PATH_STRING_LEN, "[%d:%d:%d:%d] %20.20s ",
+ output_len += scnprintf(buf + output_len,
+ PAGE_SIZE - output_len,
+ "[%d:%d:%d:%d] %20.20s ",
h->scsi_host->host_no,
hdev->bus, hdev->target, hdev->lun,
scsi_device_type(hdev->devtype));
if (hdev->external ||
hdev->devtype == TYPE_RAID ||
is_logical_device(hdev)) {
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN, "%s\n",
- active);
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len,
+ "%s\n", active);
continue;
}
if (phys_connector[1] < '0')
phys_connector[1] = '0';
if (hdev->phys_connector[i] > 0)
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN,
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len,
"PORT: %.2s ",
phys_connector);
if (hdev->devtype == TYPE_DISK && hdev->expose_device) {
if (box == 0 || box == 0xFF) {
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN,
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len,
"BAY: %hhu %s\n",
bay, active);
} else {
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN,
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len,
"BOX: %hhu BAY: %hhu %s\n",
box, bay, active);
}
} else if (box != 0 && box != 0xFF) {
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN, "BOX: %hhu %s\n",
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len, "BOX: %hhu %s\n",
box, active);
} else
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN, "%s\n", active);
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len, "%s\n", active);
}
spin_unlock_irqrestore(&h->devlock, flags);
- return snprintf(buf, output_len+1, "%s%s%s%s%s%s%s%s",
- path[0], path[1], path[2], path[3],
- path[4], path[5], path[6], path[7]);
+ return output_len;
}
static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);
&dev_attr_unique_id,
&dev_attr_hp_ssd_smart_path_enabled,
&dev_attr_path_info,
- &dev_attr_lockup_detected,
NULL,
};
&dev_attr_resettable,
&dev_attr_hp_ssd_smart_path_status,
&dev_attr_raid_offload_debug,
+ &dev_attr_lockup_detected,
NULL,
};
static void hpsa_show_dev_msg(const char *level, struct ctlr_info *h,
struct hpsa_scsi_dev_t *dev, char *description)
{
+#define LABEL_SIZE 25
+ char label[LABEL_SIZE];
+
if (h == NULL || h->pdev == NULL || h->scsi_host == NULL)
return;
+ switch (dev->devtype) {
+ case TYPE_RAID:
+ snprintf(label, LABEL_SIZE, "controller");
+ break;
+ case TYPE_ENCLOSURE:
+ snprintf(label, LABEL_SIZE, "enclosure");
+ break;
+ case TYPE_DISK:
+ if (dev->external)
+ snprintf(label, LABEL_SIZE, "external");
+ else if (!is_logical_dev_addr_mode(dev->scsi3addr))
+ snprintf(label, LABEL_SIZE, "%s",
+ raid_label[PHYSICAL_DRIVE]);
+ else
+ snprintf(label, LABEL_SIZE, "RAID-%s",
+ dev->raid_level > RAID_UNKNOWN ? "?" :
+ raid_label[dev->raid_level]);
+ break;
+ case TYPE_ROM:
+ snprintf(label, LABEL_SIZE, "rom");
+ break;
+ case TYPE_TAPE:
+ snprintf(label, LABEL_SIZE, "tape");
+ break;
+ case TYPE_MEDIUM_CHANGER:
+ snprintf(label, LABEL_SIZE, "changer");
+ break;
+ default:
+ snprintf(label, LABEL_SIZE, "UNKNOWN");
+ break;
+ }
+
dev_printk(level, &h->pdev->dev,
- "scsi %d:%d:%d:%d: %s %s %.8s %.16s RAID-%s SSDSmartPathCap%c En%c Exp=%d\n",
+ "scsi %d:%d:%d:%d: %s %s %.8s %.16s %s SSDSmartPathCap%c En%c Exp=%d\n",
h->scsi_host->host_no, dev->bus, dev->target, dev->lun,
description,
scsi_device_type(dev->devtype),
dev->vendor,
dev->model,
- dev->raid_level > RAID_UNKNOWN ?
- "RAID-?" : raid_label[dev->raid_level],
+ label,
dev->offload_config ? '+' : '-',
dev->offload_enabled ? '+' : '-',
dev->expose_device);
if (!h->scsi_host)
return 1;
- rc = scsi_add_device(h->scsi_host, device->bus,
+ if (is_logical_device(device)) /* RAID */
+ rc = scsi_add_device(h->scsi_host, device->bus,
device->target, device->lun);
+ else /* HBA */
+ rc = hpsa_add_sas_device(h->sas_host, device);
+
return rc;
}
if (!h->scsi_host)
return;
- sdev = scsi_device_lookup(h->scsi_host, device->bus,
+ if (is_logical_device(device)) { /* RAID */
+ sdev = scsi_device_lookup(h->scsi_host, device->bus,
device->target, device->lun);
-
- if (sdev) {
- scsi_remove_device(sdev);
- scsi_device_put(sdev);
- } else {
- /*
- * We don't expect to get here. Future commands
- * to this device will get a selection timeout as
- * if the device were gone.
- */
- hpsa_show_dev_msg(KERN_WARNING, h, device,
+ if (sdev) {
+ scsi_remove_device(sdev);
+ scsi_device_put(sdev);
+ } else {
+ /*
+ * We don't expect to get here. Future commands
+ * to this device will get a selection timeout as
+ * if the device were gone.
+ */
+ hpsa_show_dev_msg(KERN_WARNING, h, device,
"didn't find device for removal.");
- }
+ }
+ } else /* HBA */
+ hpsa_remove_sas_device(device);
}
static void adjust_hpsa_scsi_table(struct ctlr_info *h,
h = sdev_to_hba(sdev);
spin_lock_irqsave(&h->devlock, flags);
- sd = lookup_hpsa_scsi_dev(h, sdev_channel(sdev),
- sdev_id(sdev), sdev->lun);
- if (likely(sd)) {
+ if (sdev_channel(sdev) == HPSA_PHYSICAL_DEVICE_BUS) {
+ struct scsi_target *starget;
+ struct sas_rphy *rphy;
+
+ starget = scsi_target(sdev);
+ rphy = target_to_rphy(starget);
+ sd = hpsa_find_device_by_sas_rphy(h, rphy);
+ if (sd) {
+ sd->target = sdev_id(sdev);
+ sd->lun = sdev->lun;
+ }
+ } else
+ sd = lookup_hpsa_scsi_dev(h, sdev_channel(sdev),
+ sdev_id(sdev), sdev->lun);
+
+ if (sd && sd->expose_device) {
atomic_set(&sd->ioaccel_cmds_out, 0);
- sdev->hostdata = sd->expose_device ? sd : NULL;
+ sdev->hostdata = sd;
} else
sdev->hostdata = NULL;
spin_unlock_irqrestore(&h->devlock, flags);
return rc;
}
+static int hpsa_bmic_sense_subsystem_information(struct ctlr_info *h,
+ unsigned char scsi3addr[], u16 bmic_device_index,
+ struct bmic_sense_subsystem_info *buf, size_t bufsize)
+{
+ int rc = IO_OK;
+ struct CommandList *c;
+ struct ErrorInfo *ei;
+
+ c = cmd_alloc(h);
+
+ rc = fill_cmd(c, BMIC_SENSE_SUBSYSTEM_INFORMATION, h, buf, bufsize,
+ 0, RAID_CTLR_LUNID, TYPE_CMD);
+ if (rc)
+ goto out;
+
+ c->Request.CDB[2] = bmic_device_index & 0xff;
+ c->Request.CDB[9] = (bmic_device_index >> 8) & 0xff;
+
+ rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+ PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ if (rc)
+ goto out;
+ ei = c->err_info;
+ if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) {
+ hpsa_scsi_interpret_error(h, c);
+ rc = -1;
+ }
+out:
+ cmd_free(h, c);
+ return rc;
+}
+
static int hpsa_bmic_id_controller(struct ctlr_info *h,
struct bmic_identify_controller *buf, size_t bufsize)
{
return rc;
}
-
static int hpsa_bmic_id_physical_device(struct ctlr_info *h,
unsigned char scsi3addr[], u16 bmic_device_index,
struct bmic_identify_physical_device *buf, size_t bufsize)
}
out:
cmd_free(h, c);
+
return rc;
}
+static u64 hpsa_get_sas_address_from_report_physical(struct ctlr_info *h,
+ unsigned char *scsi3addr)
+{
+ struct ReportExtendedLUNdata *physdev;
+ u32 nphysicals;
+ u64 sa = 0;
+ int i;
+
+ physdev = kzalloc(sizeof(*physdev), GFP_KERNEL);
+ if (!physdev)
+ return 0;
+
+ if (hpsa_scsi_do_report_phys_luns(h, physdev, sizeof(*physdev))) {
+ dev_err(&h->pdev->dev, "report physical LUNs failed.\n");
+ kfree(physdev);
+ return 0;
+ }
+ nphysicals = get_unaligned_be32(physdev->LUNListLength) / 24;
+
+ for (i = 0; i < nphysicals; i++)
+ if (!memcmp(&physdev->LUN[i].lunid[0], scsi3addr, 8)) {
+ sa = get_unaligned_be64(&physdev->LUN[i].wwid[0]);
+ break;
+ }
+
+ kfree(physdev);
+
+ return sa;
+}
+
+static void hpsa_get_sas_address(struct ctlr_info *h, unsigned char *scsi3addr,
+ struct hpsa_scsi_dev_t *dev)
+{
+ int rc;
+ u64 sa = 0;
+
+ if (is_hba_lunid(scsi3addr)) {
+ struct bmic_sense_subsystem_info *ssi;
+
+ ssi = kzalloc(sizeof(*ssi), GFP_KERNEL);
+ if (ssi == NULL) {
+ dev_warn(&h->pdev->dev,
+ "%s: out of memory\n", __func__);
+ return;
+ }
+
+ rc = hpsa_bmic_sense_subsystem_information(h,
+ scsi3addr, 0, ssi, sizeof(*ssi));
+ if (rc == 0) {
+ sa = get_unaligned_be64(ssi->primary_world_wide_id);
+ h->sas_address = sa;
+ }
+
+ kfree(ssi);
+ } else
+ sa = hpsa_get_sas_address_from_report_physical(h, scsi3addr);
+
+ dev->sas_address = sa;
+}
+
+/* Get a device id from inquiry page 0x83 */
static int hpsa_vpd_page_supported(struct ctlr_info *h,
unsigned char scsi3addr[], u8 page)
{
0, lunid & 0x3fff);
}
-/*
- * If there is no lun 0 on a target, linux won't find any devices.
- * For the external targets (arrays), we have to manually detect the enclosure
- * which is at lun zero, as CCISS_REPORT_PHYSICAL_LUNS doesn't report
- * it for some reason. *tmpdevice is the target we're adding,
- * this_device is a pointer into the current element of currentsd[]
- * that we're building up in update_scsi_devices(), below.
- * lunzerobits is a bitmap that tracks which targets already have a
- * lun 0 assigned.
- * Returns 1 if an enclosure was added, 0 if not.
- */
-static int add_ext_target_dev(struct ctlr_info *h,
- struct hpsa_scsi_dev_t *tmpdevice,
- struct hpsa_scsi_dev_t *this_device, u8 *lunaddrbytes,
- unsigned long lunzerobits[], int *n_ext_target_devs)
-{
- unsigned char scsi3addr[8];
-
- if (test_bit(tmpdevice->target, lunzerobits))
- return 0; /* There is already a lun 0 on this target. */
-
- if (!is_logical_dev_addr_mode(lunaddrbytes))
- return 0; /* It's the logical targets that may lack lun 0. */
-
- if (!tmpdevice->external)
- return 0; /* Only external target devices have this problem. */
-
- if (tmpdevice->lun == 0) /* if lun is 0, then we have a lun 0. */
- return 0;
-
- memset(scsi3addr, 0, 8);
- scsi3addr[3] = tmpdevice->target;
- if (is_hba_lunid(scsi3addr))
- return 0; /* Don't add the RAID controller here. */
-
- if (is_scsi_rev_5(h))
- return 0; /* p1210m doesn't need to do this. */
-
- if (*n_ext_target_devs >= MAX_EXT_TARGETS) {
- dev_warn(&h->pdev->dev, "Maximum number of external "
- "target devices exceeded. Check your hardware "
- "configuration.");
- return 0;
- }
-
- if (hpsa_update_device_info(h, scsi3addr, this_device, NULL))
- return 0;
- (*n_ext_target_devs)++;
- hpsa_set_bus_target_lun(this_device,
- tmpdevice->bus, tmpdevice->target, 0);
- hpsa_update_device_supports_aborts(h, this_device, scsi3addr);
- set_bit(tmpdevice->target, lunzerobits);
- return 1;
-}
/*
* Get address of physical disk used for an ioaccel2 mode command:
hpsa_update_device_supports_aborts(h, tmpdevice, lunaddrbytes);
this_device = currentsd[ncurrent];
- /*
- * For external target devices, we have to insert a LUN 0 which
- * doesn't show up in CCISS_REPORT_PHYSICAL data, but there
- * is nonetheless an enclosure device there. We have to
- * present that otherwise linux won't find anything if
- * there is no lun 0.
+ /* Turn on discovery_polling if there are ext target devices.
+ * Event-based change notification is unreliable for those.
*/
- if (add_ext_target_dev(h, tmpdevice, this_device,
- lunaddrbytes, lunzerobits,
- &n_ext_target_devs)) {
- ncurrent++;
- this_device = currentsd[ncurrent];
+ if (!h->discovery_polling) {
+ if (tmpdevice->external) {
+ h->discovery_polling = 1;
+ dev_info(&h->pdev->dev,
+ "External target, activate discovery polling.\n");
+ }
}
+
*this_device = *tmpdevice;
this_device->physical_device = physical_device;
else
this_device->expose_device = 1;
+
+ /*
+ * Get the SAS address for physical devices that are exposed.
+ */
+ if (this_device->physical_device && this_device->expose_device)
+ hpsa_get_sas_address(h, lunaddrbytes, this_device);
+
switch (this_device->devtype) {
case TYPE_ROM:
/* We don't *really* support actual CD-ROM devices,
if (ncurrent >= HPSA_MAX_DEVICES)
break;
}
+
+ if (h->sas_host == NULL) {
+ int rc = 0;
+
+ rc = hpsa_add_sas_host(h);
+ if (rc) {
+ dev_warn(&h->pdev->dev,
+ "Could not add sas host %d\n", rc);
+ goto out;
+ }
+ }
+
adjust_hpsa_scsi_table(h, currentsd, ncurrent);
out:
kfree(tmpdevice);
static int hpsa_scsi_host_alloc(struct ctlr_info *h)
{
struct Scsi_Host *sh;
- int error;
sh = scsi_host_alloc(&hpsa_driver_template, sizeof(h));
if (sh == NULL) {
sh->can_queue = h->nr_cmds - HPSA_NRESERVED_CMDS;
sh->cmd_per_lun = sh->can_queue;
sh->sg_tablesize = h->maxsgentries;
+ sh->transportt = hpsa_sas_transport_template;
sh->hostdata[0] = (unsigned long) h;
sh->irq = h->intr[h->intr_mode];
sh->unique_id = sh->irq;
- error = scsi_init_shared_tag_map(sh, sh->can_queue);
- if (error) {
- dev_err(&h->pdev->dev,
- "%s: scsi_init_shared_tag_map failed for controller %d\n",
- __func__, h->ctlr);
- scsi_host_put(sh);
- return error;
- }
+
h->scsi_host = sh;
return 0;
}
c->Request.CDB[8] = (size >> 8) & 0xFF;
c->Request.CDB[9] = size & 0xFF;
break;
+ case BMIC_SENSE_DIAG_OPTIONS:
+ c->Request.CDBLen = 16;
+ c->Request.type_attr_dir =
+ TYPE_ATTR_DIR(cmd_type, ATTR_SIMPLE, XFER_READ);
+ c->Request.Timeout = 0;
+ /* Spec says this should be BMIC_WRITE */
+ c->Request.CDB[0] = BMIC_READ;
+ c->Request.CDB[6] = BMIC_SENSE_DIAG_OPTIONS;
+ break;
+ case BMIC_SET_DIAG_OPTIONS:
+ c->Request.CDBLen = 16;
+ c->Request.type_attr_dir =
+ TYPE_ATTR_DIR(cmd_type,
+ ATTR_SIMPLE, XFER_WRITE);
+ c->Request.Timeout = 0;
+ c->Request.CDB[0] = BMIC_WRITE;
+ c->Request.CDB[6] = BMIC_SET_DIAG_OPTIONS;
+ break;
case HPSA_CACHE_FLUSH:
c->Request.CDBLen = 12;
c->Request.type_attr_dir =
c->Request.CDB[7] = (size >> 16) & 0xFF;
c->Request.CDB[8] = (size >> 8) & 0XFF;
break;
+ case BMIC_SENSE_SUBSYSTEM_INFORMATION:
+ c->Request.CDBLen = 10;
+ c->Request.type_attr_dir =
+ TYPE_ATTR_DIR(cmd_type, ATTR_SIMPLE, XFER_READ);
+ c->Request.Timeout = 0;
+ c->Request.CDB[0] = BMIC_READ;
+ c->Request.CDB[6] = BMIC_SENSE_SUBSYSTEM_INFORMATION;
+ c->Request.CDB[7] = (size >> 16) & 0xFF;
+ c->Request.CDB[8] = (size >> 8) & 0XFF;
+ break;
case BMIC_IDENTIFY_CONTROLLER:
c->Request.CDBLen = 10;
c->Request.type_attr_dir =
c->Request.CDB[8] = (size >> 8) & 0XFF;
c->Request.CDB[9] = 0;
break;
-
default:
dev_warn(&h->pdev->dev, "unknown command 0x%c\n", cmd);
BUG();
return 0;
}
+static int hpsa_luns_changed(struct ctlr_info *h)
+{
+ int rc = 1; /* assume there are changes */
+ struct ReportLUNdata *logdev = NULL;
+
+ /* if we can't find out if lun data has changed,
+ * assume that it has.
+ */
+
+ if (!h->lastlogicals)
+ goto out;
+
+ logdev = kzalloc(sizeof(*logdev), GFP_KERNEL);
+ if (!logdev) {
+ dev_warn(&h->pdev->dev,
+ "Out of memory, can't track lun changes.\n");
+ goto out;
+ }
+ if (hpsa_scsi_do_report_luns(h, 1, logdev, sizeof(*logdev), 0)) {
+ dev_warn(&h->pdev->dev,
+ "report luns failed, can't track lun changes.\n");
+ goto out;
+ }
+ if (memcmp(logdev, h->lastlogicals, sizeof(*logdev))) {
+ dev_info(&h->pdev->dev,
+ "Lun changes detected.\n");
+ memcpy(h->lastlogicals, logdev, sizeof(*logdev));
+ goto out;
+ } else
+ rc = 0; /* no changes detected. */
+out:
+ kfree(logdev);
+ return rc;
+}
+
static void hpsa_rescan_ctlr_worker(struct work_struct *work)
{
unsigned long flags;
hpsa_ack_ctlr_events(h);
hpsa_scan_start(h->scsi_host);
scsi_host_put(h->scsi_host);
+ } else if (h->discovery_polling) {
+ hpsa_disable_rld_caching(h);
+ if (hpsa_luns_changed(h)) {
+ struct Scsi_Host *sh = NULL;
+
+ dev_info(&h->pdev->dev,
+ "driver discovery polling rescan.\n");
+ sh = scsi_host_get(h->scsi_host);
+ if (sh != NULL) {
+ hpsa_scan_start(sh);
+ scsi_host_put(sh);
+ }
+ }
}
spin_lock_irqsave(&h->lock, flags);
if (!h->remove_in_progress)
/* Enable Accelerated IO path at driver layer */
h->acciopath_status = 1;
+ /* Disable discovery polling.*/
+ h->discovery_polling = 0;
/* Turn the interrupts on so we can service requests */
hpsa_hba_inquiry(h);
+ h->lastlogicals = kzalloc(sizeof(*(h->lastlogicals)), GFP_KERNEL);
+ if (!h->lastlogicals)
+ dev_info(&h->pdev->dev,
+ "Can't track change to report lun data\n");
+
/* Monitor the controller for firmware lockups */
h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL;
INIT_DELAYED_WORK(&h->monitor_ctlr_work, hpsa_monitor_ctlr_worker);
kfree(flush_buf);
}
+/* Make controller gather fresh report lun data each time we
+ * send down a report luns request
+ */
+static void hpsa_disable_rld_caching(struct ctlr_info *h)
+{
+ u32 *options;
+ struct CommandList *c;
+ int rc;
+
+ /* Don't bother trying to set diag options if locked up */
+ if (unlikely(h->lockup_detected))
+ return;
+
+ options = kzalloc(sizeof(*options), GFP_KERNEL);
+ if (!options) {
+ dev_err(&h->pdev->dev,
+ "Error: failed to disable rld caching, during alloc.\n");
+ return;
+ }
+
+ c = cmd_alloc(h);
+
+ /* first, get the current diag options settings */
+ if (fill_cmd(c, BMIC_SENSE_DIAG_OPTIONS, h, options, 4, 0,
+ RAID_CTLR_LUNID, TYPE_CMD))
+ goto errout;
+
+ rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+ PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ if ((rc != 0) || (c->err_info->CommandStatus != 0))
+ goto errout;
+
+ /* Now, set the bit for disabling the RLD caching */
+ *options |= HPSA_DIAG_OPTS_DISABLE_RLD_CACHING;
+
+ if (fill_cmd(c, BMIC_SET_DIAG_OPTIONS, h, options, 4, 0,
+ RAID_CTLR_LUNID, TYPE_CMD))
+ goto errout;
+
+ rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+ PCI_DMA_TODEVICE, NO_TIMEOUT);
+ if ((rc != 0) || (c->err_info->CommandStatus != 0))
+ goto errout;
+
+ /* Now verify that it got set: */
+ if (fill_cmd(c, BMIC_SENSE_DIAG_OPTIONS, h, options, 4, 0,
+ RAID_CTLR_LUNID, TYPE_CMD))
+ goto errout;
+
+ rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+ PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ if ((rc != 0) || (c->err_info->CommandStatus != 0))
+ goto errout;
+
+ if (*options & HPSA_DIAG_OPTS_DISABLE_RLD_CACHING)
+ goto out;
+
+errout:
+ dev_err(&h->pdev->dev,
+ "Error: failed to disable report lun data caching.\n");
+out:
+ cmd_free(h, c);
+ kfree(options);
+}
+
static void hpsa_shutdown(struct pci_dev *pdev)
{
struct ctlr_info *h;
hpsa_free_performant_mode(h); /* init_one 7 */
hpsa_free_sg_chain_blocks(h); /* init_one 6 */
hpsa_free_cmd_pool(h); /* init_one 5 */
+ kfree(h->lastlogicals);
/* hpsa_free_irqs already called via hpsa_shutdown init_one 4 */
free_percpu(h->lockup_detected); /* init_one 2 */
h->lockup_detected = NULL; /* init_one 2 */
/* (void) pci_disable_pcie_error_reporting(pdev); */ /* init_one 1 */
+
+ hpsa_delete_sas_host(h);
+
kfree(h); /* init_one 1 */
}
} while (1);
}
+static struct hpsa_sas_phy *hpsa_alloc_sas_phy(
+ struct hpsa_sas_port *hpsa_sas_port)
+{
+ struct hpsa_sas_phy *hpsa_sas_phy;
+ struct sas_phy *phy;
+
+ hpsa_sas_phy = kzalloc(sizeof(*hpsa_sas_phy), GFP_KERNEL);
+ if (!hpsa_sas_phy)
+ return NULL;
+
+ phy = sas_phy_alloc(hpsa_sas_port->parent_node->parent_dev,
+ hpsa_sas_port->next_phy_index);
+ if (!phy) {
+ kfree(hpsa_sas_phy);
+ return NULL;
+ }
+
+ hpsa_sas_port->next_phy_index++;
+ hpsa_sas_phy->phy = phy;
+ hpsa_sas_phy->parent_port = hpsa_sas_port;
+
+ return hpsa_sas_phy;
+}
+
+static void hpsa_free_sas_phy(struct hpsa_sas_phy *hpsa_sas_phy)
+{
+ struct sas_phy *phy = hpsa_sas_phy->phy;
+
+ sas_port_delete_phy(hpsa_sas_phy->parent_port->port, phy);
+ sas_phy_free(phy);
+ if (hpsa_sas_phy->added_to_port)
+ list_del(&hpsa_sas_phy->phy_list_entry);
+ kfree(hpsa_sas_phy);
+}
+
+static int hpsa_sas_port_add_phy(struct hpsa_sas_phy *hpsa_sas_phy)
+{
+ int rc;
+ struct hpsa_sas_port *hpsa_sas_port;
+ struct sas_phy *phy;
+ struct sas_identify *identify;
+
+ hpsa_sas_port = hpsa_sas_phy->parent_port;
+ phy = hpsa_sas_phy->phy;
+
+ identify = &phy->identify;
+ memset(identify, 0, sizeof(*identify));
+ identify->sas_address = hpsa_sas_port->sas_address;
+ identify->device_type = SAS_END_DEVICE;
+ identify->initiator_port_protocols = SAS_PROTOCOL_STP;
+ identify->target_port_protocols = SAS_PROTOCOL_STP;
+ phy->minimum_linkrate_hw = SAS_LINK_RATE_UNKNOWN;
+ phy->maximum_linkrate_hw = SAS_LINK_RATE_UNKNOWN;
+ phy->minimum_linkrate = SAS_LINK_RATE_UNKNOWN;
+ phy->maximum_linkrate = SAS_LINK_RATE_UNKNOWN;
+ phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
+
+ rc = sas_phy_add(hpsa_sas_phy->phy);
+ if (rc)
+ return rc;
+
+ sas_port_add_phy(hpsa_sas_port->port, hpsa_sas_phy->phy);
+ list_add_tail(&hpsa_sas_phy->phy_list_entry,
+ &hpsa_sas_port->phy_list_head);
+ hpsa_sas_phy->added_to_port = true;
+
+ return 0;
+}
+
+static int
+ hpsa_sas_port_add_rphy(struct hpsa_sas_port *hpsa_sas_port,
+ struct sas_rphy *rphy)
+{
+ struct sas_identify *identify;
+
+ identify = &rphy->identify;
+ identify->sas_address = hpsa_sas_port->sas_address;
+ identify->initiator_port_protocols = SAS_PROTOCOL_STP;
+ identify->target_port_protocols = SAS_PROTOCOL_STP;
+
+ return sas_rphy_add(rphy);
+}
+
+static struct hpsa_sas_port
+ *hpsa_alloc_sas_port(struct hpsa_sas_node *hpsa_sas_node,
+ u64 sas_address)
+{
+ int rc;
+ struct hpsa_sas_port *hpsa_sas_port;
+ struct sas_port *port;
+
+ hpsa_sas_port = kzalloc(sizeof(*hpsa_sas_port), GFP_KERNEL);
+ if (!hpsa_sas_port)
+ return NULL;
+
+ INIT_LIST_HEAD(&hpsa_sas_port->phy_list_head);
+ hpsa_sas_port->parent_node = hpsa_sas_node;
+
+ port = sas_port_alloc_num(hpsa_sas_node->parent_dev);
+ if (!port)
+ goto free_hpsa_port;
+
+ rc = sas_port_add(port);
+ if (rc)
+ goto free_sas_port;
+
+ hpsa_sas_port->port = port;
+ hpsa_sas_port->sas_address = sas_address;
+ list_add_tail(&hpsa_sas_port->port_list_entry,
+ &hpsa_sas_node->port_list_head);
+
+ return hpsa_sas_port;
+
+free_sas_port:
+ sas_port_free(port);
+free_hpsa_port:
+ kfree(hpsa_sas_port);
+
+ return NULL;
+}
+
+static void hpsa_free_sas_port(struct hpsa_sas_port *hpsa_sas_port)
+{
+ struct hpsa_sas_phy *hpsa_sas_phy;
+ struct hpsa_sas_phy *next;
+
+ list_for_each_entry_safe(hpsa_sas_phy, next,
+ &hpsa_sas_port->phy_list_head, phy_list_entry)
+ hpsa_free_sas_phy(hpsa_sas_phy);
+
+ sas_port_delete(hpsa_sas_port->port);
+ list_del(&hpsa_sas_port->port_list_entry);
+ kfree(hpsa_sas_port);
+}
+
+static struct hpsa_sas_node *hpsa_alloc_sas_node(struct device *parent_dev)
+{
+ struct hpsa_sas_node *hpsa_sas_node;
+
+ hpsa_sas_node = kzalloc(sizeof(*hpsa_sas_node), GFP_KERNEL);
+ if (hpsa_sas_node) {
+ hpsa_sas_node->parent_dev = parent_dev;
+ INIT_LIST_HEAD(&hpsa_sas_node->port_list_head);
+ }
+
+ return hpsa_sas_node;
+}
+
+static void hpsa_free_sas_node(struct hpsa_sas_node *hpsa_sas_node)
+{
+ struct hpsa_sas_port *hpsa_sas_port;
+ struct hpsa_sas_port *next;
+
+ if (!hpsa_sas_node)
+ return;
+
+ list_for_each_entry_safe(hpsa_sas_port, next,
+ &hpsa_sas_node->port_list_head, port_list_entry)
+ hpsa_free_sas_port(hpsa_sas_port);
+
+ kfree(hpsa_sas_node);
+}
+
+static struct hpsa_scsi_dev_t
+ *hpsa_find_device_by_sas_rphy(struct ctlr_info *h,
+ struct sas_rphy *rphy)
+{
+ int i;
+ struct hpsa_scsi_dev_t *device;
+
+ for (i = 0; i < h->ndevices; i++) {
+ device = h->dev[i];
+ if (!device->sas_port)
+ continue;
+ if (device->sas_port->rphy == rphy)
+ return device;
+ }
+
+ return NULL;
+}
+
+static int hpsa_add_sas_host(struct ctlr_info *h)
+{
+ int rc;
+ struct device *parent_dev;
+ struct hpsa_sas_node *hpsa_sas_node;
+ struct hpsa_sas_port *hpsa_sas_port;
+ struct hpsa_sas_phy *hpsa_sas_phy;
+
+ parent_dev = &h->scsi_host->shost_gendev;
+
+ hpsa_sas_node = hpsa_alloc_sas_node(parent_dev);
+ if (!hpsa_sas_node)
+ return -ENOMEM;
+
+ hpsa_sas_port = hpsa_alloc_sas_port(hpsa_sas_node, h->sas_address);
+ if (!hpsa_sas_port) {
+ rc = -ENODEV;
+ goto free_sas_node;
+ }
+
+ hpsa_sas_phy = hpsa_alloc_sas_phy(hpsa_sas_port);
+ if (!hpsa_sas_phy) {
+ rc = -ENODEV;
+ goto free_sas_port;
+ }
+
+ rc = hpsa_sas_port_add_phy(hpsa_sas_phy);
+ if (rc)
+ goto free_sas_phy;
+
+ h->sas_host = hpsa_sas_node;
+
+ return 0;
+
+free_sas_phy:
+ hpsa_free_sas_phy(hpsa_sas_phy);
+free_sas_port:
+ hpsa_free_sas_port(hpsa_sas_port);
+free_sas_node:
+ hpsa_free_sas_node(hpsa_sas_node);
+
+ return rc;
+}
+
+static void hpsa_delete_sas_host(struct ctlr_info *h)
+{
+ hpsa_free_sas_node(h->sas_host);
+}
+
+static int hpsa_add_sas_device(struct hpsa_sas_node *hpsa_sas_node,
+ struct hpsa_scsi_dev_t *device)
+{
+ int rc;
+ struct hpsa_sas_port *hpsa_sas_port;
+ struct sas_rphy *rphy;
+
+ hpsa_sas_port = hpsa_alloc_sas_port(hpsa_sas_node, device->sas_address);
+ if (!hpsa_sas_port)
+ return -ENOMEM;
+
+ rphy = sas_end_device_alloc(hpsa_sas_port->port);
+ if (!rphy) {
+ rc = -ENODEV;
+ goto free_sas_port;
+ }
+
+ hpsa_sas_port->rphy = rphy;
+ device->sas_port = hpsa_sas_port;
+
+ rc = hpsa_sas_port_add_rphy(hpsa_sas_port, rphy);
+ if (rc)
+ goto free_sas_port;
+
+ return 0;
+
+free_sas_port:
+ hpsa_free_sas_port(hpsa_sas_port);
+ device->sas_port = NULL;
+
+ return rc;
+}
+
+static void hpsa_remove_sas_device(struct hpsa_scsi_dev_t *device)
+{
+ if (device->sas_port) {
+ hpsa_free_sas_port(device->sas_port);
+ device->sas_port = NULL;
+ }
+}
+
+static int
+hpsa_sas_get_linkerrors(struct sas_phy *phy)
+{
+ return 0;
+}
+
+static int
+hpsa_sas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
+{
+ return 0;
+}
+
+static int
+hpsa_sas_get_bay_identifier(struct sas_rphy *rphy)
+{
+ return -ENXIO;
+}
+
+static int
+hpsa_sas_phy_reset(struct sas_phy *phy, int hard_reset)
+{
+ return 0;
+}
+
+static int
+hpsa_sas_phy_enable(struct sas_phy *phy, int enable)
+{
+ return 0;
+}
+
+static int
+hpsa_sas_phy_setup(struct sas_phy *phy)
+{
+ return 0;
+}
+
+static void
+hpsa_sas_phy_release(struct sas_phy *phy)
+{
+}
+
+static int
+hpsa_sas_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates)
+{
+ return -EINVAL;
+}
+
+/* SMP = Serial Management Protocol */
+static int
+hpsa_sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
+struct request *req)
+{
+ return -EINVAL;
+}
+
+static struct sas_function_template hpsa_sas_transport_functions = {
+ .get_linkerrors = hpsa_sas_get_linkerrors,
+ .get_enclosure_identifier = hpsa_sas_get_enclosure_identifier,
+ .get_bay_identifier = hpsa_sas_get_bay_identifier,
+ .phy_reset = hpsa_sas_phy_reset,
+ .phy_enable = hpsa_sas_phy_enable,
+ .phy_setup = hpsa_sas_phy_setup,
+ .phy_release = hpsa_sas_phy_release,
+ .set_phy_speed = hpsa_sas_phy_speed,
+ .smp_handler = hpsa_sas_smp_handler,
+};
+
/*
* This is it. Register the PCI driver information for the cards we control
* the OS will call our registered routines when it finds one of our cards.
*/
static int __init hpsa_init(void)
{
- return pci_register_driver(&hpsa_pci_driver);
+ int rc;
+
+ hpsa_sas_transport_template =
+ sas_attach_transport(&hpsa_sas_transport_functions);
+ if (!hpsa_sas_transport_template)
+ return -ENODEV;
+
+ rc = pci_register_driver(&hpsa_pci_driver);
+
+ if (rc)
+ sas_release_transport(hpsa_sas_transport_template);
+
+ return rc;
}
static void __exit hpsa_cleanup(void)
{
pci_unregister_driver(&hpsa_pci_driver);
+ sas_release_transport(hpsa_sas_transport_template);
}
static void __attribute__((unused)) verify_offsets(void)