From: Kevin Barnett <[email protected]> customers want lsscsi -t to show sas addresses when enumerating sas devices. The sas addresses are used mainly to light drive LEDs for location.
Signed-off-by: Don Brace <[email protected]> --- drivers/scsi/hpsa.c | 704 ++++++++++++++++++++++++++++++++++++++++++----- drivers/scsi/hpsa.h | 37 ++ drivers/scsi/hpsa_cmd.h | 14 + 3 files changed, 677 insertions(+), 78 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 3b35de0..ae811a7 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -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) diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index 27fcd4c..c110e6c 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -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 */ diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index c2c0737..1721aec 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -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 */ -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
