diff options
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 96 |
1 files changed, 75 insertions, 21 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 3a3017d8dc65..6d88f30296e1 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -775,20 +775,20 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) { struct hw_fib * hw_fib = fibptr->hw_fib_va; struct aac_aifcmd * aifcmd = (struct aac_aifcmd *)hw_fib->data; - u32 container; + u32 channel, id, lun, container; struct scsi_device *device; enum { NOTHING, DELETE, ADD, CHANGE - } device_config_needed; + } device_config_needed = NOTHING; /* Sniff for container changes */ if (!dev || !dev->fsa_dev) return; - container = (u32)-1; + container = channel = id = lun = (u32)-1; /* * We have set this up to try and minimize the number of @@ -901,6 +901,36 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) case AifEnConfigChange: break; + case AifEnEnclosureManagement: + switch (le32_to_cpu(((__le32 *)aifcmd->data)[3])) { + case EM_DRIVE_INSERTION: + case EM_DRIVE_REMOVAL: + container = le32_to_cpu( + ((__le32 *)aifcmd->data)[2]); + if ((container >> 28)) + break; + channel = (container >> 24) & 0xF; + if (channel >= dev->maximum_num_channels) + break; + id = container & 0xFFFF; + lun = (container >> 16) & 0xFF; + if (id >= dev->maximum_num_physicals) { + /* legacy dev_t ? */ + if ((0x2000 <= id) || lun || channel || + ((channel = (id >> 7) & 0x3F) >= + dev->maximum_num_channels)) + break; + lun = (id >> 4) & 7; + id &= 0xF; + } + channel = aac_phys_to_logical(channel); + device_config_needed = + (((__le32 *)aifcmd->data)[3] + == cpu_to_le32(EM_DRIVE_INSERTION)) ? + ADD : DELETE; + break; + } + break; } /* @@ -969,7 +999,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) break; } - device_config_needed = NOTHING; + if (device_config_needed == NOTHING) for (container = 0; container < dev->maximum_num_containers; ++container) { if ((dev->fsa_dev[container].config_waiting_on == 0) && @@ -978,6 +1008,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) device_config_needed = dev->fsa_dev[container].config_needed; dev->fsa_dev[container].config_needed = NOTHING; + channel = CONTAINER_TO_CHANNEL(container); + id = CONTAINER_TO_ID(container); + lun = CONTAINER_TO_LUN(container); break; } } @@ -1001,34 +1034,56 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) /* * force reload of disk info via aac_probe_container */ - if ((device_config_needed == CHANGE) - && (dev->fsa_dev[container].valid == 1)) - dev->fsa_dev[container].valid = 2; - if ((device_config_needed == CHANGE) || - (device_config_needed == ADD)) + if ((channel == CONTAINER_CHANNEL) && + (device_config_needed != NOTHING)) { + if (dev->fsa_dev[container].valid == 1) + dev->fsa_dev[container].valid = 2; aac_probe_container(dev, container); - device = scsi_device_lookup(dev->scsi_host_ptr, - CONTAINER_TO_CHANNEL(container), - CONTAINER_TO_ID(container), - CONTAINER_TO_LUN(container)); + } + device = scsi_device_lookup(dev->scsi_host_ptr, channel, id, lun); if (device) { switch (device_config_needed) { case DELETE: + if (scsi_device_online(device)) { + scsi_device_set_state(device, SDEV_OFFLINE); + sdev_printk(KERN_INFO, device, + "Device offlined - %s\n", + (channel == CONTAINER_CHANNEL) ? + "array deleted" : + "enclosure services event"); + } + break; + case ADD: + if (!scsi_device_online(device)) { + sdev_printk(KERN_INFO, device, + "Device online - %s\n", + (channel == CONTAINER_CHANNEL) ? + "array created" : + "enclosure services event"); + scsi_device_set_state(device, SDEV_RUNNING); + } + /* FALLTHRU */ case CHANGE: + if ((channel == CONTAINER_CHANNEL) + && (!dev->fsa_dev[container].valid)) { + if (!scsi_device_online(device)) + break; + scsi_device_set_state(device, SDEV_OFFLINE); + sdev_printk(KERN_INFO, device, + "Device offlined - %s\n", + "array failed"); + break; + } scsi_rescan_device(&device->sdev_gendev); default: break; } scsi_device_put(device); + device_config_needed = NOTHING; } - if (device_config_needed == ADD) { - scsi_add_device(dev->scsi_host_ptr, - CONTAINER_TO_CHANNEL(container), - CONTAINER_TO_ID(container), - CONTAINER_TO_LUN(container)); - } - + if (device_config_needed == ADD) + scsi_add_device(dev->scsi_host_ptr, channel, id, lun); } static int _aac_reset_adapter(struct aac_dev *aac, int forced) @@ -1469,7 +1524,6 @@ int aac_command_thread(void *data) *(__le32 *)hw_fib->data = cpu_to_le32(ST_OK); aac_fib_adapter_complete(fib, (u16)sizeof(u32)); } else { - struct list_head *entry; /* The u32 here is important and intended. We are using 32bit wrapping time to fit the adapter field */ |