diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/message/fusion/mptsas.c | 196 |
1 files changed, 161 insertions, 35 deletions
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 2512d0e6155e..74f4368c79ab 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -117,6 +117,8 @@ struct mptsas_hotplug_event { struct mptsas_devinfo { u16 handle; /* unique id to address this device */ u16 handle_parent; /* unique id to address parent device */ + u16 handle_enclosure; /* enclosure identifier of the enclosure */ + u16 slot; /* physical slot in enclosure */ u8 phy_id; /* phy number of parent device */ u8 port_id; /* sas physical port this device is assoc'd with */ @@ -146,6 +148,18 @@ struct mptsas_portinfo { struct mptsas_phyinfo *phy_info; }; +struct mptsas_enclosure { + u64 enclosure_logical_id; /* The WWN for the enclosure */ + u16 enclosure_handle; /* unique id to address this */ + u16 flags; /* details enclosure management */ + u16 num_slot; /* num slots */ + u16 start_slot; /* first slot */ + u8 start_id; /* starting logical target id */ + u8 start_channel; /* starting logical channel id */ + u8 sep_id; /* SEP device logical target id */ + u8 sep_channel; /* SEP channel logical channel id */ +}; + #ifdef SASDEBUG static void mptsas_print_phy_data(MPI_SAS_IO_UNIT0_PHY_DATA *phy_data) @@ -205,6 +219,7 @@ static void mptsas_print_device_pg0(SasDevicePage0_t *pg0) printk("---- SAS DEVICE PAGE 0 ---------\n"); printk("Handle=0x%X\n" ,le16_to_cpu(pg0->DevHandle)); + printk("Parent Handle=0x%X\n" ,le16_to_cpu(pg0->ParentDevHandle)); printk("Enclosure Handle=0x%X\n", le16_to_cpu(pg0->EnclosureHandle)); printk("Slot=0x%X\n", le16_to_cpu(pg0->Slot)); printk("SAS Address=0x%llX\n", le64_to_cpu(sas_address)); @@ -243,6 +258,82 @@ static void mptsas_print_expander_pg1(SasExpanderPage1_t *pg1) #define mptsas_print_expander_pg1(pg1) do { } while (0) #endif +static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy) +{ + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); + return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; +} + +static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy) +{ + struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); + return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; +} + +static int +mptsas_sas_exclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure, + u32 form, u32 form_specific) +{ + ConfigExtendedPageHeader_t hdr; + CONFIGPARMS cfg; + SasEnclosurePage0_t *buffer; + dma_addr_t dma_handle; + int error; + __le64 le_identifier; + + memset(&hdr, 0, sizeof(hdr)); + hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION; + hdr.PageNumber = 0; + hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; + hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE; + + cfg.cfghdr.ehdr = &hdr; + cfg.physAddr = -1; + cfg.pageAddr = form + form_specific; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; /* read */ + cfg.timeout = 10; + + error = mpt_config(ioc, &cfg); + if (error) + goto out; + if (!hdr.ExtPageLength) { + error = -ENXIO; + goto out; + } + + buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, + &dma_handle); + if (!buffer) { + error = -ENOMEM; + goto out; + } + + cfg.physAddr = dma_handle; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + error = mpt_config(ioc, &cfg); + if (error) + goto out_free_consistent; + + /* save config data */ + memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64)); + enclosure->enclosure_logical_id = le64_to_cpu(le_identifier); + enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle); + enclosure->flags = le16_to_cpu(buffer->Flags); + enclosure->num_slot = le16_to_cpu(buffer->NumSlots); + enclosure->start_slot = le16_to_cpu(buffer->StartSlot); + enclosure->start_id = buffer->StartTargetID; + enclosure->start_channel = buffer->StartBus; + enclosure->sep_id = buffer->SEPTargetID; + enclosure->sep_channel = buffer->SEPBus; + + out_free_consistent: + pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, + buffer, dma_handle); + out: + return error; +} /* * This is pretty ugly. We will be able to seriously clean it up @@ -399,12 +490,6 @@ static struct scsi_host_template mptsas_driver_template = { .use_clustering = ENABLE_CLUSTERING, }; -static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy) -{ - struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); - return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; -} - static int mptsas_get_linkerrors(struct sas_phy *phy) { MPT_ADAPTER *ioc = phy_to_ioc(phy); @@ -546,8 +631,67 @@ static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset) return error; } +static int +mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) +{ + MPT_ADAPTER *ioc = rphy_to_ioc(rphy); + int i, error; + struct mptsas_portinfo *p; + struct mptsas_enclosure enclosure_info; + u64 enclosure_handle; + + mutex_lock(&ioc->sas_topology_mutex); + list_for_each_entry(p, &ioc->sas_topology, list) { + for (i = 0; i < p->num_phys; i++) { + if (p->phy_info[i].attached.sas_address == + rphy->identify.sas_address) { + enclosure_handle = p->phy_info[i]. + attached.handle_enclosure; + goto found_info; + } + } + } + mutex_unlock(&ioc->sas_topology_mutex); + return -ENXIO; + + found_info: + mutex_unlock(&ioc->sas_topology_mutex); + memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure)); + error = mptsas_sas_exclosure_pg0(ioc, &enclosure_info, + (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE << + MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle); + if (!error) + *identifier = enclosure_info.enclosure_logical_id; + return error; +} + +static int +mptsas_get_bay_identifier(struct sas_rphy *rphy) +{ + MPT_ADAPTER *ioc = rphy_to_ioc(rphy); + struct mptsas_portinfo *p; + int i, rc; + + mutex_lock(&ioc->sas_topology_mutex); + list_for_each_entry(p, &ioc->sas_topology, list) { + for (i = 0; i < p->num_phys; i++) { + if (p->phy_info[i].attached.sas_address == + rphy->identify.sas_address) { + rc = p->phy_info[i].attached.slot; + goto out; + } + } + } + rc = -ENXIO; + out: + mutex_unlock(&ioc->sas_topology_mutex); + return rc; +} + static struct sas_function_template mptsas_transport_functions = { .get_linkerrors = mptsas_get_linkerrors, + .get_enclosure_identifier = mptsas_get_enclosure_identifier, + .get_bay_identifier = mptsas_get_bay_identifier, .phy_reset = mptsas_phy_reset, }; @@ -739,6 +883,9 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info, device_info->handle = le16_to_cpu(buffer->DevHandle); device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle); + device_info->handle_enclosure = + le16_to_cpu(buffer->EnclosureHandle); + device_info->slot = le16_to_cpu(buffer->Slot); device_info->phy_id = buffer->PhyNum; device_info->port_id = buffer->PhysicalPort; device_info->id = buffer->TargetID; @@ -1335,29 +1482,15 @@ mptsas_hotplug_work(void *arg) case MPTSAS_ADD_DEVICE: /* - * When there is no sas address, - * RAID volumes are being deleted, - * and hidden phy disk are being added. - * We don't know the SAS data yet, - * so lookup sas device page to get - * pertaining info + * Refresh sas device pg0 data */ - if (!ev->sas_address) { - if (mptsas_sas_device_pg0(ioc, - &sas_device, ev->id, - (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << - MPI_SAS_DEVICE_PGAD_FORM_SHIFT))) - break; - ev->handle = sas_device.handle; - ev->parent_handle = sas_device.handle_parent; - ev->channel = sas_device.channel; - ev->phy_id = sas_device.phy_id; - ev->sas_address = sas_device.sas_address; - ev->device_info = sas_device.device_info; - } + if (mptsas_sas_device_pg0(ioc, &sas_device, + (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << + MPI_SAS_DEVICE_PGAD_FORM_SHIFT), ev->id)) + break; phy_info = mptsas_find_phyinfo_by_parent(ioc, - ev->parent_handle, ev->phy_id); + sas_device.handle_parent, sas_device.phy_id); if (!phy_info) { printk("mptsas: add event for non-existant PHY.\n"); break; @@ -1368,14 +1501,8 @@ mptsas_hotplug_work(void *arg) break; } - /* fill attached info */ - phy_info->attached.handle = ev->handle; - phy_info->attached.phy_id = ev->phy_id; - phy_info->attached.port_id = phy_info->identify.port_id; - phy_info->attached.id = ev->id; - phy_info->attached.channel = ev->channel; - phy_info->attached.sas_address = ev->sas_address; - phy_info->attached.device_info = ev->device_info; + memcpy(&phy_info->attached, &sas_device, + sizeof(struct mptsas_devinfo)); if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET) ds = "ssp"; @@ -1393,7 +1520,6 @@ mptsas_hotplug_work(void *arg) if (!rphy) break; /* non-fatal: an rphy can be added later */ - rphy->scsi_target_id = phy_info->attached.id; mptsas_parse_device_info(&rphy->identify, &phy_info->attached); if (sas_rphy_add(rphy)) { sas_rphy_free(rphy); |