diff options
Diffstat (limited to 'drivers/scsi/hpsa.c')
| -rw-r--r-- | drivers/scsi/hpsa.c | 117 |
1 files changed, 97 insertions, 20 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 46055e2490f1..cc9e92a3be22 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -458,6 +458,15 @@ static inline int is_logical_dev_addr_mode(unsigned char scsi3addr[]) return (scsi3addr[3] & 0xC0) == 0x40; } +static inline int is_scsi_rev_5(struct ctlr_info *h) +{ + if (!h->hba_inquiry_data) + return 0; + if ((h->hba_inquiry_data[2] & 0x07) == 5) + return 1; + return 0; +} + static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG", "UNKNOWN" }; @@ -1525,22 +1534,44 @@ static void figure_bus_target_lun(struct ctlr_info *h, if (is_logical_dev_addr_mode(lunaddrbytes)) { /* logical device */ - lunid = le32_to_cpu(*((__le32 *) lunaddrbytes)); - if (is_msa2xxx(h, device)) { - *bus = 1; - *target = (lunid >> 16) & 0x3fff; - *lun = lunid & 0x00ff; - } else { + if (unlikely(is_scsi_rev_5(h))) { + /* p1210m, logical drives lun assignments + * match SCSI REPORT LUNS data. + */ + lunid = le32_to_cpu(*((__le32 *) lunaddrbytes)); *bus = 0; - *lun = 0; - *target = lunid & 0x3fff; + *target = 0; + *lun = (lunid & 0x3fff) + 1; + } else { + /* not p1210m... */ + lunid = le32_to_cpu(*((__le32 *) lunaddrbytes)); + if (is_msa2xxx(h, device)) { + /* msa2xxx way, put logicals on bus 1 + * and match target/lun numbers box + * reports. + */ + *bus = 1; + *target = (lunid >> 16) & 0x3fff; + *lun = lunid & 0x00ff; + } else { + /* Traditional smart array way. */ + *bus = 0; + *lun = 0; + *target = lunid & 0x3fff; + } } } else { /* physical device */ if (is_hba_lunid(lunaddrbytes)) - *bus = 3; + if (unlikely(is_scsi_rev_5(h))) { + *bus = 0; /* put p1210m ctlr at 0,0,0 */ + *target = 0; + *lun = 0; + return; + } else + *bus = 3; /* traditional smartarray */ else - *bus = 2; + *bus = 2; /* physical disk */ *target = -1; *lun = -1; /* we will fill these in later. */ } @@ -1580,6 +1611,9 @@ static int add_msa2xxx_enclosure_device(struct ctlr_info *h, 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. */ + #define MAX_MSA2XXX_ENCLOSURES 32 if (*nmsa2xxx_enclosures >= MAX_MSA2XXX_ENCLOSURES) { dev_warn(&h->pdev->dev, "Maximum number of MSA2XXX " @@ -1643,6 +1677,31 @@ static int hpsa_gather_lun_info(struct ctlr_info *h, return 0; } +u8 *figure_lunaddrbytes(struct ctlr_info *h, int raid_ctlr_position, int i, + int nphysicals, int nlogicals, struct ReportLUNdata *physdev_list, + struct ReportLUNdata *logdev_list) +{ + /* Helper function, figure 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) + */ + + int logicals_start = nphysicals + (raid_ctlr_position == 0); + int last_device = nphysicals + nlogicals + (raid_ctlr_position == 0); + + if (i == raid_ctlr_position) + return RAID_CTLR_LUNID; + + if (i < logicals_start) + return &physdev_list->LUN[i - (raid_ctlr_position == 0)][0]; + + if (i < last_device) + return &logdev_list->LUN[i - nphysicals - + (raid_ctlr_position == 0)][0]; + BUG(); + return NULL; +} + static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) { /* the idea here is we could get notified @@ -1666,6 +1725,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) int reportlunsize = sizeof(*physdev_list) + HPSA_MAX_PHYS_LUN * 8; int i, nmsa2xxx_enclosures, ndevs_to_allocate; int bus, target, lun; + int raid_ctlr_position; DECLARE_BITMAP(lunzerobits, HPSA_MAX_TARGETS_PER_CTLR); currentsd = kzalloc(sizeof(*currentsd) * HPSA_MAX_SCSI_DEVS_PER_HBA, @@ -1703,23 +1763,22 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) ndev_allocated++; } + if (unlikely(is_scsi_rev_5(h))) + raid_ctlr_position = 0; + else + raid_ctlr_position = nphysicals + nlogicals; + /* adjust our table of devices */ nmsa2xxx_enclosures = 0; for (i = 0; i < nphysicals + nlogicals + 1; i++) { u8 *lunaddrbytes; /* Figure out where the LUN ID info is coming from */ - if (i < nphysicals) - lunaddrbytes = &physdev_list->LUN[i][0]; - else - if (i < nphysicals + nlogicals) - lunaddrbytes = - &logdev_list->LUN[i-nphysicals][0]; - else /* jam in the RAID controller at the end */ - lunaddrbytes = RAID_CTLR_LUNID; - + lunaddrbytes = figure_lunaddrbytes(h, raid_ctlr_position, + i, nphysicals, nlogicals, physdev_list, logdev_list); /* skip masked physical devices. */ - if (lunaddrbytes[3] & 0xC0 && i < nphysicals) + if (lunaddrbytes[3] & 0xC0 && + i < nphysicals + (raid_ctlr_position == 0)) continue; /* Get device type, vendor, model, device id */ @@ -3349,6 +3408,22 @@ err_out_free_res: return err; } +static void __devinit hpsa_hba_inquiry(struct ctlr_info *h) +{ + int rc; + +#define HBA_INQUIRY_BYTE_COUNT 64 + h->hba_inquiry_data = kmalloc(HBA_INQUIRY_BYTE_COUNT, GFP_KERNEL); + if (!h->hba_inquiry_data) + return; + rc = hpsa_scsi_do_inquiry(h, RAID_CTLR_LUNID, 0, + h->hba_inquiry_data, HBA_INQUIRY_BYTE_COUNT); + if (rc != 0) { + kfree(h->hba_inquiry_data); + h->hba_inquiry_data = NULL; + } +} + static int __devinit hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -3458,6 +3533,7 @@ static int __devinit hpsa_init_one(struct pci_dev *pdev, h->access.set_intr_mask(h, HPSA_INTR_ON); hpsa_put_ctlr_into_performant_mode(h); + hpsa_hba_inquiry(h); hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */ h->busy_initializing = 0; return 1; @@ -3550,6 +3626,7 @@ static void __devexit hpsa_remove_one(struct pci_dev *pdev) h->reply_pool, h->reply_pool_dhandle); kfree(h->cmd_pool_bits); kfree(h->blockFetchTable); + kfree(h->hba_inquiry_data); /* * Deliberately omit pci_disable_device(): it does something nasty to * Smart Array controllers that pci_enable_device does not undo |