@@ -41,6 +41,7 @@
#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>
@@ -205,6 +206,16 @@ static struct board_type products[] = {
{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)
@@ -275,6 +286,8 @@ 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 int is_ext_target(struct ctlr_info *h, struct hpsa_scsi_dev_t *device);
+static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h,
+ struct ReportExtendedLUNdata *buf, int bufsize);
static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev)
{
@@ -617,6 +630,11 @@ static const char * const raid_label[] = { "0", "4", "1(+0)", "5", "5+1", "6",
#define HPSA_RAID_ADM 6 /* also used for RAID 1+0 ADM */
#define RAID_UNKNOWN (ARRAY_SIZE(raid_label) - 1)
+static inline bool is_logical_device(struct hpsa_scsi_dev_t *device)
+{
+ return !device->physical_device;
+}
+
static ssize_t raid_level_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -637,7 +655,7 @@ static ssize_t raid_level_show(struct device *dev,
}
/* Is this even a logical drive? */
- if (!is_logical_dev_addr_mode(hdev->scsi3addr)) {
+ if (!is_logical_device(hdev)) {
spin_unlock_irqrestore(&h->lock, flags);
l = snprintf(buf, PAGE_SIZE, "N/A\n");
return l;
@@ -771,8 +789,8 @@ static ssize_t path_info_show(struct device *dev,
scsi_device_type(hdev->devtype));
if (is_ext_target(h, hdev) ||
- (hdev->devtype == TYPE_RAID) ||
- is_logical_dev_addr_mode(hdev->scsi3addr)) {
+ hdev->devtype == TYPE_RAID ||
+ is_logical_device(hdev)) {
output_len += snprintf(path[i] + output_len,
PATH_STRING_LEN, "%s\n",
active);
@@ -791,8 +809,7 @@ static ssize_t path_info_show(struct device *dev,
PATH_STRING_LEN,
"PORT: %.2s ",
phys_connector);
- if (hdev->devtype == TYPE_DISK &&
- hdev->expose_state != HPSA_DO_NOT_EXPOSE) {
+ if (hdev->devtype == TYPE_DISK && hdev->expose_device) {
if (box == 0 || box == 0xFF) {
output_len += snprintf(path[i] + output_len,
PATH_STRING_LEN,
@@ -1148,7 +1165,7 @@ static inline void hpsa_show_dev_msg(const char *level, struct ctlr_info *h,
"RAID-?" : raid_label[dev->raid_level],
dev->offload_config ? '+' : '-',
dev->offload_enabled ? '+' : '-',
- dev->expose_state);
+ dev->expose_device);
}
/* Add an entry into h->dev[] array. */
@@ -1221,7 +1238,7 @@ lun_assigned:
added[*nadded] = device;
(*nadded)++;
hpsa_show_dev_msg(KERN_INFO, h, device,
- device->expose_state & HPSA_SCSI_ADD ? "added" : "masked");
+ device->expose_device ? "added" : "masked");
device->offload_to_be_enabled = device->offload_enabled;
device->offload_enabled = 0;
return 0;
@@ -1579,7 +1596,7 @@ static void hpsa_figure_phys_disk_ptrs(struct ctlr_info *h,
for (j = 0; j < ndevices; j++) {
if (dev[j]->devtype != TYPE_DISK)
continue;
- if (is_logical_dev_addr_mode(dev[j]->scsi3addr))
+ if (is_logical_device(dev[j]))
continue;
if (dev[j]->ioaccel_handle != dd[i].ioaccel_handle)
continue;
@@ -1622,7 +1639,7 @@ static void hpsa_update_log_drive_phys_drive_ptrs(struct ctlr_info *h,
for (i = 0; i < ndevices; i++) {
if (dev[i]->devtype != TYPE_DISK)
continue;
- if (!is_logical_dev_addr_mode(dev[i]->scsi3addr))
+ if (!is_logical_device(dev[i]))
continue;
/*
@@ -1638,6 +1655,45 @@ static void hpsa_update_log_drive_phys_drive_ptrs(struct ctlr_info *h,
}
}
+static int hpsa_add_device(struct ctlr_info *h, struct hpsa_scsi_dev_t *device)
+{
+ int rc;
+
+ if (is_logical_device(device))
+ rc = scsi_add_device(h->scsi_host, device->bus,
+ device->target, device->lun);
+ else
+ rc = hpsa_add_sas_device(h->sas_host, device);
+
+ return rc;
+}
+
+static void hpsa_remove_device(struct ctlr_info *h,
+ struct hpsa_scsi_dev_t *device)
+{
+ if (is_logical_device(device)) {
+ struct scsi_device *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.
+ */
+ dev_warn(&h->pdev->dev,
+ "didn't find scsi %d:%d:%d:%d for removal.",
+ h->scsi_host->host_no, device->bus,
+ device->target, device->lun);
+ }
+ } else {
+ hpsa_remove_sas_device(device);
+ }
+}
+
static void adjust_hpsa_scsi_table(struct ctlr_info *h, int hostno,
struct hpsa_scsi_dev_t *sd[], int nsds)
{
@@ -1650,14 +1706,13 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h, int hostno,
unsigned long flags;
struct hpsa_scsi_dev_t **added, **removed;
int nadded, nremoved;
- struct Scsi_Host *sh = NULL;
added = kzalloc(sizeof(*added) * HPSA_MAX_DEVICES, GFP_KERNEL);
removed = kzalloc(sizeof(*removed) * HPSA_MAX_DEVICES, GFP_KERNEL);
if (!added || !removed) {
- dev_warn(&h->pdev->dev, "out of memory in "
- "adjust_hpsa_scsi_table\n");
+ dev_warn(&h->pdev->dev, "out of memory in %s\n",
+ __func__);
goto free_and_out;
}
@@ -1758,36 +1813,19 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h, int hostno,
if (hostno == -1 || !changes)
goto free_and_out;
- sh = h->scsi_host;
/* Notify scsi mid layer of any removed devices */
for (i = 0; i < nremoved; i++) {
- if (removed[i]->expose_state & HPSA_SCSI_ADD) {
- struct scsi_device *sdev =
- scsi_device_lookup(sh, removed[i]->bus,
- removed[i]->target, removed[i]->lun);
- if (sdev != NULL) {
- scsi_remove_device(sdev);
- scsi_device_put(sdev);
- } else {
- /*
- * We don't expect to get here.
- * future cmds to this device will get selection
- * timeout as if the device was gone.
- */
- hpsa_show_dev_msg(KERN_WARNING, h, removed[i],
- "didn't find device for removal.");
- }
- }
+ if (removed[i]->expose_device)
+ hpsa_remove_device(h, removed[i]);
kfree(removed[i]);
removed[i] = NULL;
}
/* Notify scsi mid layer of any added devices */
for (i = 0; i < nadded; i++) {
- if (!(added[i]->expose_state & HPSA_SCSI_ADD))
+ if (!(added[i]->expose_device))
continue;
- if (scsi_add_device(sh, added[i]->bus,
- added[i]->target, added[i]->lun) == 0)
+ if (hpsa_add_device(h, added[i]) == 0)
continue;
hpsa_show_dev_msg(KERN_WARNING, h, added[i],
"addition failed, device not added.");
@@ -1826,15 +1864,28 @@ static int hpsa_slave_alloc(struct scsi_device *sdev)
struct hpsa_scsi_dev_t *sd;
unsigned long flags;
struct ctlr_info *h;
+ struct scsi_target *starget;
+ struct sas_rphy *rphy;
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)) {
- atomic_set(&sd->ioaccel_cmds_out, 0);
- sdev->hostdata = (sd->expose_state & HPSA_SCSI_ADD) ? sd : NULL;
+
+ if (sdev_channel(sdev) == HPSA_PHYSICAL_DEVICE_BUS) {
+ 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;
+ } else if (sd)
sdev->hostdata = NULL;
spin_unlock_irqrestore(&h->devlock, flags);
return 0;
@@ -1847,7 +1898,7 @@ static int hpsa_slave_configure(struct scsi_device *sdev)
int queue_depth;
sd = sdev->hostdata;
- sdev->no_uld_attach = !sd || !(sd->expose_state & HPSA_ULD_ATTACH);
+ sdev->no_uld_attach = !sd || !sd->expose_device;
if (sd)
queue_depth = sd->queue_depth != 0 ?
@@ -2210,7 +2261,7 @@ static void process_ioaccel2_completion(struct ctlr_info *h,
* the normal I/O path so the controller can handle whatever's
* wrong.
*/
- if (is_logical_dev_addr_mode(dev->scsi3addr) &&
+ if (is_logical_device(dev) &&
c2->error_data.serv_response ==
IOACCEL2_SERV_RESPONSE_FAILURE) {
if (c2->error_data.status ==
@@ -2330,7 +2381,7 @@ static void complete_scsi_command(struct CommandList *cp)
* the normal I/O path so the controller can handle whatever's
* wrong.
*/
- if (is_logical_dev_addr_mode(dev->scsi3addr)) {
+ if (is_logical_device(dev)) {
if (ei->CommandStatus == CMD_IOACCEL_DISABLED)
dev->offload_enabled = 0;
return hpsa_retry_cmd(h, cp);
@@ -2984,6 +3035,38 @@ out:
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_physical_device(struct ctlr_info *h,
unsigned char scsi3addr[], u16 bmic_device_index,
struct bmic_identify_physical_device *buf, size_t bufsize)
@@ -3010,6 +3093,7 @@ static int hpsa_bmic_id_physical_device(struct ctlr_info *h,
}
out:
cmd_free(h, c);
+
return rc;
}
@@ -3095,9 +3179,60 @@ out:
return;
}
-/* Get the device id from inquiry page 0x83 */
+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]);
+ }
+
+ 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;
+
+ rc = hpsa_bmic_sense_subsystem_information(h,
+ scsi3addr, 0, &ssi, sizeof(ssi));
+ if (rc == 0) {
+ sa = get_unaligned_be64(&ssi.primary_world_wide_id[0]);
+ h->sas_address = sa;
+ }
+ } 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_get_device_id(struct ctlr_info *h, unsigned char *scsi3addr,
- unsigned char *device_id, int buflen)
+ unsigned char *device_id, int index, int buflen)
{
int rc;
unsigned char *buf;
@@ -3109,8 +3244,10 @@ static int hpsa_get_device_id(struct ctlr_info *h, unsigned char *scsi3addr,
return -ENOMEM;
rc = hpsa_scsi_do_inquiry(h, scsi3addr, VPD_PAGE | 0x83, buf, 64);
if (rc == 0)
- memcpy(device_id, &buf[8], buflen);
+ memcpy(device_id, &buf[index], buflen);
+
kfree(buf);
+
return rc != 0;
}
@@ -3339,6 +3476,18 @@ static int hpsa_device_supports_aborts(struct ctlr_info *h,
return rc;
}
+static void sanitize_inquiry_string(unsigned char *s, int len)
+{
+ bool terminated = false;
+
+ for (; len > 0; (--len, ++s)) {
+ if (*s == 0)
+ terminated = true;
+ if (terminated || *s < 0x20 || *s > 0x7e)
+ *s = ' ';
+ }
+}
+
static int hpsa_update_device_info(struct ctlr_info *h,
unsigned char scsi3addr[], struct hpsa_scsi_dev_t *this_device,
unsigned char *is_OBDR_device)
@@ -3365,6 +3514,9 @@ static int hpsa_update_device_info(struct ctlr_info *h,
goto bail_out;
}
+ sanitize_inquiry_string(&inq_buff[8], 8);
+ sanitize_inquiry_string(&inq_buff[16], 16);
+
this_device->devtype = (inq_buff[0] & 0x1f);
memcpy(this_device->scsi3addr, scsi3addr, 8);
memcpy(this_device->vendor, &inq_buff[8],
@@ -3373,7 +3525,7 @@ static int hpsa_update_device_info(struct ctlr_info *h,
sizeof(this_device->model));
memset(this_device->device_id, 0,
sizeof(this_device->device_id));
- hpsa_get_device_id(h, scsi3addr, this_device->device_id,
+ hpsa_get_device_id(h, scsi3addr, this_device->device_id, 8,
sizeof(this_device->device_id));
if (this_device->devtype == TYPE_DISK &&
@@ -3460,38 +3612,37 @@ static int is_ext_target(struct ctlr_info *h, struct hpsa_scsi_dev_t *device)
return 0;
}
-/* Helper function to assign bus, target, lun mapping of devices.
- * Puts non-external target logical volumes on bus 0, external target logical
- * volumes on bus 1, physical devices on bus 2. and the hba on bus 3.
+/*
+ * Helper function to assign bus, target, lun mapping of devices.
* Logical drive target and lun are assigned at this time, but
* physical device lun and target assignment are deferred (assigned
* in hpsa_find_target_lun, called by hpsa_scsi_add_entry.)
- */
+*/
static void figure_bus_target_lun(struct ctlr_info *h,
u8 *lunaddrbytes, struct hpsa_scsi_dev_t *device)
{
- u32 lunid = le32_to_cpu(*((__le32 *) lunaddrbytes));
+ u32 lunid = le32_to_cpu(*((__le32 *)lunaddrbytes));
if (!is_logical_dev_addr_mode(lunaddrbytes)) {
/* physical device, target and lun filled in later */
if (is_hba_lunid(lunaddrbytes))
- hpsa_set_bus_target_lun(device, 3, 0, lunid & 0x3fff);
+ hpsa_set_bus_target_lun(device,
+ HPSA_HBA_BUS, 0, lunid & 0x3fff);
else
/* defer target, lun assignment for physical devices */
- hpsa_set_bus_target_lun(device, 2, -1, -1);
+ hpsa_set_bus_target_lun(device,
+ HPSA_PHYSICAL_DEVICE_BUS, -1, -1);
return;
}
/* It's a logical device */
if (is_ext_target(h, device)) {
- /* external target way, put logicals on bus 1
- * and match target/lun numbers box
- * reports, other smart array, bus 0, target 0, match lunid
- */
hpsa_set_bus_target_lun(device,
- 1, (lunid >> 16) & 0x3fff, lunid & 0x00ff);
+ HPSA_EXTERNAL_RAID_VOLUME_BUS, (lunid >> 16) & 0x3fff,
+ lunid & 0x00ff);
return;
}
- hpsa_set_bus_target_lun(device, 0, 0, lunid & 0x3fff);
+ hpsa_set_bus_target_lun(device, HPSA_RAID_VOLUME_BUS,
+ 0, lunid & 0x3fff);
}
/*
@@ -3620,6 +3771,11 @@ static int hpsa_gather_lun_info(struct ctlr_info *h,
return 0;
}
+/*
+ * Helper function that figures out where the LUN ID info is coming from
+ * given index i, lists of physical and logical devices, where in
+ * the list the raid controller is supposed to appear (first or last).
+ */
static u8 *figure_lunaddrbytes(struct ctlr_info *h, int raid_ctlr_position,
int i, int nphysicals, int nlogicals,
struct ReportExtendedLUNdata *physdev_list,
@@ -3724,6 +3880,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
int ncurrent = 0;
int i, n_ext_target_devs, ndevs_to_allocate;
int raid_ctlr_position;
+ bool physical_device;
DECLARE_BITMAP(lunzerobits, MAX_EXT_TARGETS);
currentsd = kzalloc(sizeof(*currentsd) * HPSA_MAX_DEVICES, GFP_KERNEL);
@@ -3778,14 +3935,15 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
u8 *lunaddrbytes, is_OBDR = 0;
int phys_dev_index = i - (raid_ctlr_position == 0);
+ physical_device = i < nphysicals + (raid_ctlr_position == 0);
+
/* Figure out where the LUN ID info is coming from */
lunaddrbytes = figure_lunaddrbytes(h, raid_ctlr_position,
i, nphysicals, nlogicals, physdev_list, logdev_list);
/* skip masked non-disk devices */
- if (MASKED_DEVICE(lunaddrbytes))
- if (i < nphysicals + (raid_ctlr_position == 0) &&
- (physdev_list->LUN[phys_dev_index].device_flags & 0x01))
+ if (MASKED_DEVICE(lunaddrbytes) && physical_device &&
+ (physdev_list->LUN[phys_dev_index].device_flags & 0x01))
continue;
/* Get device type, vendor, model, device id */
@@ -3800,26 +3958,34 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
* 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.
+ * present that otherwise Linux won't find anything if
+ * there is no LUN 0.
*/
if (add_ext_target_dev(h, tmpdevice, this_device,
- lunaddrbytes, lunzerobits,
- &n_ext_target_devs)) {
+ lunaddrbytes, lunzerobits,
+ &n_ext_target_devs)) {
ncurrent++;
this_device = currentsd[ncurrent];
}
*this_device = *tmpdevice;
+ this_device->physical_device = physical_device;
- /* do not expose masked devices */
- if (MASKED_DEVICE(lunaddrbytes) &&
- i < nphysicals + (raid_ctlr_position == 0)) {
- this_device->expose_state = HPSA_DO_NOT_EXPOSE;
- } else {
- this_device->expose_state =
- HPSA_SG_ATTACH | HPSA_ULD_ATTACH;
- }
+ /*
+ * Expose all devices except for physical devices that
+ * are masked.
+ */
+ if (this_device->physical_device &&
+ MASKED_DEVICE(lunaddrbytes))
+ this_device->expose_device = 0;
+ 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:
@@ -3834,7 +4000,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
ncurrent++;
break;
case TYPE_DISK:
- if (i < nphysicals + (raid_ctlr_position == 0)) {
+ if (this_device->physical_device) {
/* The disk is in HBA mode. */
/* Never use RAID mapper in HBA mode. */
this_device->offload_enabled = 0;
@@ -3849,8 +4015,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
case TYPE_MEDIUM_CHANGER:
case TYPE_ENCLOSURE:
ncurrent++;
- this_device->expose_state =
- HPSA_SG_ATTACH | HPSA_ULD_ATTACH;
break;
case TYPE_RAID:
/* Only present the Smartarray HBA as a RAID controller.
@@ -3868,6 +4032,10 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
if (ncurrent >= HPSA_MAX_DEVICES)
break;
}
+
+ if (h->sas_host == NULL)
+ hpsa_add_sas_host(h);
+
adjust_hpsa_scsi_table(h, hostno, currentsd, ncurrent);
out:
kfree(tmpdevice);
@@ -4998,6 +5166,7 @@ static int hpsa_scsi_host_alloc(struct ctlr_info *h)
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;
@@ -6325,6 +6494,16 @@ static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
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;
default:
dev_warn(&h->pdev->dev, "unknown command 0x%c\n", cmd);
BUG();
@@ -8324,6 +8503,11 @@ static void hpsa_remove_one(struct pci_dev *pdev)
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 */
+
+ printk("%s: Calling hpsa_delete_sas_host\n", __func__);
+ hpsa_delete_sas_host(h);
+ printk("%s: Called hpsa_delete_sas_host\n", __func__);
+
kfree(h); /* init_one 1 */
}
@@ -8786,18 +8970,384 @@ static void hpsa_drain_accel_commands(struct ctlr_info *h)
} 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;
+
+ printk("%s: Calling sas_port_delete_phy\n", __func__);
+ sas_port_delete_phy(hpsa_sas_phy->parent_port->port, phy);
+ printk("%s: Called sas_port_delete_phy\n", __func__);
+ sas_phy_free(phy);
+ printk("%s: Called sas_phy_free\n", __func__);
+ 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) {
+ printk("%s: Calling hpsa_free_sas_phy\n", __func__);
+ hpsa_free_sas_phy(hpsa_sas_phy);
+ printk("%s: Called hpsa_free_sas_phy\n", __func__);
+ }
+
+ printk("%s: Calling sas_port_delete\n", __func__);
+ sas_port_delete(hpsa_sas_port->port);
+ printk("%s: Called sas_port_delete\n", __func__);
+ 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) {
+ printk("%s: Calling hpsa_free_sas_port\n", __func__);
+ hpsa_free_sas_port(hpsa_sas_port);
+ printk("%s: Called hpsa_free_sas_port\n", __func__);
+ }
+
+ printk("%s: Calling kfree hpsa_sas_node\n", __func__);
+ kfree(hpsa_sas_node);
+ printk("%s: Called kfree hpsa_sas_node\n", __func__);
+}
+
+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)
+{
+ printk("%s: Calling hpsa_free_sas_node\n", __func__);
+ hpsa_free_sas_node(h->sas_host);
+ printk("%s: Called hpsa_free_sas_node\n", __func__);
+}
+
+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)
@@ -33,12 +33,38 @@ struct access_method {
unsigned long (*command_completed)(struct ctlr_info *h, u8 q);
};
+/* for SAS hosts and SAS expanders */
+struct hpsa_sas_node {
+ struct device *parent_dev;
+ struct list_head port_list_head;
+};
+
+struct hpsa_sas_port {
+ struct list_head port_list_entry;
+ u64 sas_address;
+ struct sas_port *port;
+ int next_phy_index;
+ struct list_head phy_list_head;
+ struct hpsa_sas_node *parent_node;
+ struct sas_rphy *rphy;
+};
+
+struct hpsa_sas_phy {
+ struct list_head phy_list_entry;
+ struct sas_phy *phy;
+ struct hpsa_sas_port *parent_port;
+ bool added_to_port;
+};
+
struct hpsa_scsi_dev_t {
- int devtype;
+ int devtype; /* as reported by INQUIRY commmand */
int bus, target, lun; /* as presented to the OS */
unsigned char scsi3addr[8]; /* as presented to the HW */
+ u8 physical_device : 1;
+ u8 expose_device : 1;
#define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
unsigned char device_id[16]; /* from inquiry pg. 0x83 */
+ u64 sas_address; /* from inquiry pg. 0x83 */
unsigned char vendor[8]; /* bytes 8-15 of inquiry data */
unsigned char model[16]; /* bytes 16-31 of inquiry data */
unsigned char raid_level; /* from inquiry page 0xC1 */
@@ -80,6 +106,7 @@ struct hpsa_scsi_dev_t {
#define HPSA_ULD_ATTACH 0x2
#define HPSA_SCSI_ADD (HPSA_SG_ATTACH | HPSA_ULD_ATTACH)
u8 expose_state;
+ struct hpsa_sas_port *sas_port;
};
struct reply_queue_buffer {
@@ -136,6 +163,7 @@ struct ctlr_info {
char *product_name;
struct pci_dev *pdev;
u32 board_id;
+ u64 sas_address;
void __iomem *vaddr;
unsigned long paddr;
int nr_cmds; /* Number of commands allowed on this controller */
@@ -270,6 +298,7 @@ struct ctlr_info {
wait_queue_head_t abort_cmd_wait_queue;
wait_queue_head_t event_sync_wait_queue;
struct mutex reset_mutex;
+ struct hpsa_sas_node *sas_host;
};
struct offline_device_entry {
@@ -368,6 +397,12 @@ struct offline_device_entry {
#define IOACCEL2_INBOUND_POSTQ_64_LOW 0xd0
#define IOACCEL2_INBOUND_POSTQ_64_HI 0xd4
+#define HPSA_PHYSICAL_DEVICE_BUS 0
+#define HPSA_RAID_VOLUME_BUS 1
+#define HPSA_EXTERNAL_RAID_VOLUME_BUS 2
+#define HPSA_HBA_BUS 3
+
+
/*
Send the command to the hardware
*/
@@ -286,6 +286,7 @@ struct SenseSubsystem_info {
#define BMIC_FLASH_FIRMWARE 0xF7
#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
#define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
+#define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
/* Command List Structure */
union SCSI3Addr {
@@ -814,5 +815,18 @@ struct bmic_identify_physical_device {
u8 padding[112];
};
+struct bmic_sense_subsystem_info {
+ u8 primary_slot_number;
+ u8 reserved[3];
+ u8 chasis_serial_number[32];
+ u8 primary_world_wide_id[8];
+ u8 primary_array_serial_number[32]; /* NULL terminated */
+ u8 primary_cache_serial_number[32]; /* NULL terminated */
+ u8 reserved_2[8];
+ u8 secondary_array_serial_number[32];
+ u8 secondary_cache_serial_number[32];
+ u8 pad[332];
+};
+
#pragma pack()
#endif /* HPSA_CMD_H */