luck/tmp_suning_uos_patched
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Change how controllers in mixed mode are handled.

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Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Kevin Barnett 2015-07-18 11:12:59 -05:00 committed by James Bottomley
parent cbb47dcbb4
commit b9092b79cc
2 changed files with 11 additions and 88 deletions
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91
drivers/scsi/hpsa.c
View File

@ -791,7 +791,8 @@ static ssize_t path_info_show(struct device *dev,
PATH_STRING_LEN,
"PORT: %.2s ",
phys_connector);
if (hdev->devtype == TYPE_DISK && h->hba_mode_enabled) {
if (hdev->devtype == TYPE_DISK &&
hdev->expose_state != HPSA_DO_NOT_EXPOSE) {
if (box == 0 || box == 0xFF) {
output_len += snprintf(path[i] + output_len,
PATH_STRING_LEN,
@ -2689,34 +2690,6 @@ static int hpsa_scsi_do_inquiry(struct ctlr_info *h, unsigned char *scsi3addr,
return rc;
}
static int hpsa_bmic_ctrl_mode_sense(struct ctlr_info *h,
unsigned char *scsi3addr, unsigned char page,
struct bmic_controller_parameters *buf, size_t bufsize)
{
int rc = IO_OK;
struct CommandList *c;
struct ErrorInfo *ei;
c = cmd_alloc(h);
if (fill_cmd(c, BMIC_SENSE_CONTROLLER_PARAMETERS, h, buf, bufsize,
page, scsi3addr, TYPE_CMD)) {
rc = -1;
goto out;
}
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_send_reset(struct ctlr_info *h, unsigned char *scsi3addr,
u8 reset_type, int reply_queue)
{
@ -3665,29 +3638,6 @@ static u8 *figure_lunaddrbytes(struct ctlr_info *h, int raid_ctlr_position,
return NULL;
}
static int hpsa_hba_mode_enabled(struct ctlr_info *h)
{
int rc;
int hba_mode_enabled;
struct bmic_controller_parameters *ctlr_params;
ctlr_params = kzalloc(sizeof(struct bmic_controller_parameters),
GFP_KERNEL);
if (!ctlr_params)
return -ENOMEM;
rc = hpsa_bmic_ctrl_mode_sense(h, RAID_CTLR_LUNID, 0, ctlr_params,
sizeof(struct bmic_controller_parameters));
if (rc) {
kfree(ctlr_params);
return rc;
}
hba_mode_enabled =
((ctlr_params->nvram_flags & HBA_MODE_ENABLED_FLAG) != 0);
kfree(ctlr_params);
return hba_mode_enabled;
}
/* get physical drive ioaccel handle and queue depth */
static void hpsa_get_ioaccel_drive_info(struct ctlr_info *h,
struct hpsa_scsi_dev_t *dev,
@ -3765,7 +3715,6 @@ 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;
int rescan_hba_mode;
DECLARE_BITMAP(lunzerobits, MAX_EXT_TARGETS);
currentsd = kzalloc(sizeof(*currentsd) * HPSA_MAX_DEVICES, GFP_KERNEL);
@ -3781,17 +3730,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
}
memset(lunzerobits, 0, sizeof(lunzerobits));
rescan_hba_mode = hpsa_hba_mode_enabled(h);
if (rescan_hba_mode < 0)
goto out;
if (!h->hba_mode_enabled && rescan_hba_mode)
dev_warn(&h->pdev->dev, "HBA mode enabled\n");
else if (h->hba_mode_enabled && !rescan_hba_mode)
dev_warn(&h->pdev->dev, "HBA mode disabled\n");
h->hba_mode_enabled = rescan_hba_mode;
if (hpsa_gather_lun_info(h, physdev_list, &nphysicals,
logdev_list, &nlogicals))
goto out;
@ -3867,9 +3805,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
/* do not expose masked devices */
if (MASKED_DEVICE(lunaddrbytes) &&
i < nphysicals + (raid_ctlr_position == 0)) {
if (h->hba_mode_enabled)
dev_warn(&h->pdev->dev,
"Masked physical device detected\n");
this_device->expose_state = HPSA_DO_NOT_EXPOSE;
} else {
this_device->expose_state =
@ -3889,29 +3824,20 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
ncurrent++;
break;
case TYPE_DISK:
if (i >= nphysicals) {
ncurrent++;
break;
}
if (h->hba_mode_enabled)
/* never use raid mapper in HBA mode */
if (i < nphysicals + (raid_ctlr_position == 0)) {
/* The disk is in HBA mode. */
/* Never use RAID mapper in HBA mode. */
this_device->offload_enabled = 0;
else if (!(h->transMethod & CFGTBL_Trans_io_accel1 ||
h->transMethod & CFGTBL_Trans_io_accel2))
break;
hpsa_get_ioaccel_drive_info(h, this_device,
lunaddrbytes, id_phys);
hpsa_get_path_info(this_device, lunaddrbytes, id_phys);
atomic_set(&this_device->ioaccel_cmds_out, 0);
hpsa_get_path_info(this_device, lunaddrbytes,
id_phys);
}
ncurrent++;
break;
case TYPE_TAPE:
case TYPE_MEDIUM_CHANGER:
ncurrent++;
break;
case TYPE_ENCLOSURE:
if (h->hba_mode_enabled)
ncurrent++;
break;
case TYPE_RAID:
@ -8120,7 +8046,6 @@ static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_drvdata(pdev, h);
h->ndevices = 0;
h->hba_mode_enabled = 0;
spin_lock_init(&h->devlock);
rc = hpsa_put_ctlr_into_performant_mode(h);

2
drivers/scsi/hpsa.h
View File

@ -116,7 +116,6 @@ struct bmic_controller_parameters {
u8 automatic_drive_slamming;
u8 reserved1;
u8 nvram_flags;
#define HBA_MODE_ENABLED_FLAG (1 << 3)
u8 cache_nvram_flags;
u8 drive_config_flags;
u16 reserved2;
@ -155,7 +154,6 @@ struct ctlr_info {
unsigned int msi_vector;
int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */
struct access_method access;
char hba_mode_enabled;
/* queue and queue Info */
unsigned int Qdepth;