diff options
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 134 |
1 files changed, 114 insertions, 20 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index e906ae1fcb23..09da354e9956 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -65,6 +65,11 @@ static int fib_map_alloc(struct aac_dev *dev) dev->max_cmd_size = AAC_MAX_NATIVE_SIZE; else dev->max_cmd_size = dev->max_fib_size; + if (dev->max_fib_size < AAC_MAX_NATIVE_SIZE) { + dev->max_cmd_size = AAC_MAX_NATIVE_SIZE; + } else { + dev->max_cmd_size = dev->max_fib_size; + } dprintk((KERN_INFO "allocate hardware fibs pci_alloc_consistent(%p, %d * (%d + %d), %p)\n", @@ -153,7 +158,7 @@ int aac_fib_setup(struct aac_dev * dev) (hw_fib_pa - dev->hw_fib_pa)); dev->hw_fib_pa = hw_fib_pa; memset(dev->hw_fib_va, 0, - (dev->max_fib_size + sizeof(struct aac_fib_xporthdr)) * + (dev->max_cmd_size + sizeof(struct aac_fib_xporthdr)) * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB)); /* add Xport header */ @@ -179,8 +184,18 @@ int aac_fib_setup(struct aac_dev * dev) sema_init(&fibptr->event_wait, 0); spin_lock_init(&fibptr->event_lock); hw_fib->header.XferState = cpu_to_le32(0xffffffff); - hw_fib->header.SenderSize = cpu_to_le16(dev->max_fib_size); + hw_fib->header.SenderSize = + cpu_to_le16(dev->max_fib_size); /* ?? max_cmd_size */ fibptr->hw_fib_pa = hw_fib_pa; + fibptr->hw_sgl_pa = hw_fib_pa + + offsetof(struct aac_hba_cmd_req, sge[2]); + /* + * one element is for the ptr to the separate sg list, + * second element for 32 byte alignment + */ + fibptr->hw_error_pa = hw_fib_pa + + offsetof(struct aac_native_hba, resp.resp_bytes[0]); + hw_fib = (struct hw_fib *)((unsigned char *)hw_fib + dev->max_cmd_size + sizeof(struct aac_fib_xporthdr)); hw_fib_pa = hw_fib_pa + @@ -282,7 +297,8 @@ void aac_fib_free(struct fib *fibptr) spin_lock_irqsave(&fibptr->dev->fib_lock, flags); if (unlikely(fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) aac_config.fib_timeouts++; - if (fibptr->hw_fib_va->header.XferState != 0) { + if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) && + fibptr->hw_fib_va->header.XferState != 0) { printk(KERN_WARNING "aac_fib_free, XferState != 0, fibptr = 0x%p, XferState = 0x%x\n", (void*)fibptr, le32_to_cpu(fibptr->hw_fib_va->header.XferState)); @@ -510,8 +526,15 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, * Map the fib into 32bits by using the fib number */ - hw_fib->header.SenderFibAddress = cpu_to_le32(((u32)(fibptr - dev->fibs)) << 2); - hw_fib->header.Handle = (u32)(fibptr - dev->fibs) + 1; + hw_fib->header.SenderFibAddress = + cpu_to_le32(((u32)(fibptr - dev->fibs)) << 2); + + /* use the same shifted value for handle to be compatible + * with the new native hba command handle + */ + hw_fib->header.Handle = + cpu_to_le32((((u32)(fibptr - dev->fibs)) << 2) + 1); + /* * Set FIB state to indicate where it came from and if we want a * response from the adapter. Also load the command from the @@ -679,6 +702,82 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, return 0; } +int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback, + void *callback_data) +{ + struct aac_dev *dev = fibptr->dev; + int wait; + unsigned long flags = 0; + unsigned long mflags = 0; + + fibptr->flags = (FIB_CONTEXT_FLAG | FIB_CONTEXT_FLAG_NATIVE_HBA); + if (callback) { + wait = 0; + fibptr->callback = callback; + fibptr->callback_data = callback_data; + } else + wait = 1; + + + if (command == HBA_IU_TYPE_SCSI_CMD_REQ) { + struct aac_hba_cmd_req *hbacmd = + (struct aac_hba_cmd_req *)fibptr->hw_fib_va; + + hbacmd->iu_type = command; + /* bit1 of request_id must be 0 */ + hbacmd->request_id = + cpu_to_le32((((u32)(fibptr - dev->fibs)) << 2) + 1); + } else + return -EINVAL; + + + if (wait) { + spin_lock_irqsave(&dev->manage_lock, mflags); + if (dev->management_fib_count >= AAC_NUM_MGT_FIB) { + spin_unlock_irqrestore(&dev->manage_lock, mflags); + return -EBUSY; + } + dev->management_fib_count++; + spin_unlock_irqrestore(&dev->manage_lock, mflags); + spin_lock_irqsave(&fibptr->event_lock, flags); + } + + if (aac_adapter_deliver(fibptr) != 0) { + if (wait) { + spin_unlock_irqrestore(&fibptr->event_lock, flags); + spin_lock_irqsave(&dev->manage_lock, mflags); + dev->management_fib_count--; + spin_unlock_irqrestore(&dev->manage_lock, mflags); + } + return -EBUSY; + } + FIB_COUNTER_INCREMENT(aac_config.NativeSent); + + if (wait) { + spin_unlock_irqrestore(&fibptr->event_lock, flags); + /* Only set for first known interruptable command */ + if (down_interruptible(&fibptr->event_wait)) { + fibptr->done = 2; + up(&fibptr->event_wait); + } + spin_lock_irqsave(&fibptr->event_lock, flags); + if ((fibptr->done == 0) || (fibptr->done == 2)) { + fibptr->done = 2; /* Tell interrupt we aborted */ + spin_unlock_irqrestore(&fibptr->event_lock, flags); + return -ERESTARTSYS; + } + spin_unlock_irqrestore(&fibptr->event_lock, flags); + WARN_ON(fibptr->done == 0); + + if (unlikely(fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) + return -ETIMEDOUT; + + return 0; + } + + return -EINPROGRESS; +} + /** * aac_consumer_get - get the top of the queue * @dev: Adapter @@ -837,11 +936,17 @@ int aac_fib_complete(struct fib *fibptr) { struct hw_fib * hw_fib = fibptr->hw_fib_va; + if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) { + fib_dealloc(fibptr); + return 0; + } + /* - * Check for a fib which has already been completed + * Check for a fib which has already been completed or with a + * status wait timeout */ - if (hw_fib->header.XferState == 0) + if (hw_fib->header.XferState == 0 || fibptr->done == 2) return 0; /* * If we plan to do anything check the structure type first. @@ -994,20 +1099,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) lun = (container >> 16) & 0xFF; container = (u32)-1; channel = aac_phys_to_logical(channel); - device_config_needed = - (((__le32 *)aifcmd->data)[0] == - cpu_to_le32(AifRawDeviceRemove)) ? DELETE : ADD; - - if (device_config_needed == ADD) { - device = scsi_device_lookup( - dev->scsi_host_ptr, - channel, id, lun); - if (device) { - scsi_remove_device(device); - scsi_device_put(device); - } - } + device_config_needed = DELETE; break; + /* * Morph or Expand complete */ |