Exemple #1
0
int aac_send_shutdown(struct aac_dev * dev)
{
	struct fib * fibctx;
	struct aac_close *cmd;
	int status;

	fibctx = fib_alloc(dev);
	if (!fibctx)
		return -ENOMEM;
	fib_init(fibctx);

	cmd = (struct aac_close *) fib_data(fibctx);

	cmd->command = cpu_to_le32(VM_CloseAll);
	cmd->cid = cpu_to_le32(0xffffffff);

	status = fib_send(ContainerCommand,
			  fibctx,
			  sizeof(struct aac_close),
			  FsaNormal,
			  1, 1,
			  NULL, NULL);

	if (status == 0)
		fib_complete(fibctx);
	fib_free(fibctx);
	return status;
}
Exemple #2
0
/**
 *	aac_get_containers	-	list containers
 *	@common: adapter to probe
 *
 *	Make a list of all containers on this controller
 */
int aac_get_containers(struct aac_dev *dev)
{
	struct fsa_scsi_hba *fsa_dev_ptr;
	u32 index; 
	int status = 0;
	struct aac_query_mount *dinfo;
	struct aac_mount *dresp;
	struct fib * fibptr;
	unsigned instance;

	fsa_dev_ptr = &(dev->fsa_dev);
	instance = dev->scsi_host_ptr->unique_id;

	if (!(fibptr = fib_alloc(dev)))
		return -ENOMEM;

	for (index = 0; index < MAXIMUM_NUM_CONTAINERS; index++) {
		fib_init(fibptr);
		dinfo = (struct aac_query_mount *) fib_data(fibptr);

		dinfo->command = cpu_to_le32(VM_NameServe);
		dinfo->count = cpu_to_le32(index);
		dinfo->type = cpu_to_le32(FT_FILESYS);

		status = fib_send(ContainerCommand,
				    fibptr,
				    sizeof (struct aac_query_mount),
				    FsaNormal,
				    1, 1,
				    NULL, NULL);
		if (status < 0 ) {
			printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
			break;
		}
		dresp = (struct aac_mount *)fib_data(fibptr);

		if ((le32_to_cpu(dresp->status) == ST_OK) &&
		    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
		    (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
			fsa_dev_ptr->valid[index] = 1;
			fsa_dev_ptr->type[index] = le32_to_cpu(dresp->mnt[0].vol);
			fsa_dev_ptr->size[index] = le32_to_cpu(dresp->mnt[0].capacity);
			if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
				    fsa_dev_ptr->ro[index] = 1;
		}
		fib_complete(fibptr);
		/*
		 *	If there are no more containers, then stop asking.
		 */
		if ((index + 1) >= le32_to_cpu(dresp->count)){
			break;
		}
	}
	fib_free(fibptr);
	fsa_dev[instance] = fsa_dev_ptr;
	return status;
}
Exemple #3
0
static int probe_container(struct aac_dev *dev, int cid)
{
	struct fsa_scsi_hba *fsa_dev_ptr;
	int status;
	struct aac_query_mount *dinfo;
	struct aac_mount *dresp;
	struct fib * fibptr;
	unsigned instance;

	fsa_dev_ptr = &(dev->fsa_dev);
	instance = dev->scsi_host_ptr->unique_id;

	if (!(fibptr = fib_alloc(dev)))
		return -ENOMEM;

	fib_init(fibptr);

	dinfo = (struct aac_query_mount *)fib_data(fibptr);

	dinfo->command = cpu_to_le32(VM_NameServe);
	dinfo->count = cpu_to_le32(cid);
	dinfo->type = cpu_to_le32(FT_FILESYS);

	status = fib_send(ContainerCommand,
			    fibptr,
			    sizeof(struct aac_query_mount),
			    FsaNormal,
			    1, 1,
			    NULL, NULL);
	if (status < 0) {
		printk(KERN_WARNING "aacraid: probe_containers query failed.\n");
		goto error;
	}

	dresp = (struct aac_mount *) fib_data(fibptr);

	if ((le32_to_cpu(dresp->status) == ST_OK) &&
	    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
	    (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
		fsa_dev_ptr->valid[cid] = 1;
		fsa_dev_ptr->type[cid] = le32_to_cpu(dresp->mnt[0].vol);
		fsa_dev_ptr->size[cid] = le32_to_cpu(dresp->mnt[0].capacity);
		if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
			fsa_dev_ptr->ro[cid] = 1;
	}

error:
	fib_complete(fibptr);
	fib_free(fibptr);

	return status;
}
static int ioctl_send_fib(struct aac_dev * dev, void *arg)
{
	struct hw_fib * kfib;
	struct fib *fibptr;

	fibptr = fib_alloc(dev);
	if(fibptr == NULL)
		return -ENOMEM;
		
	kfib = fibptr->fib;
	/*
	 *	First copy in the header so that we can check the size field.
	 */
	if (copy_from_user((void *)kfib, arg, sizeof(struct aac_fibhdr))) {
		fib_free(fibptr);
		return -EFAULT;
	}
	/*
	 *	Since we copy based on the fib header size, make sure that we
	 *	will not overrun the buffer when we copy the memory. Return
	 *	an error if we would.
	 */
	if(le32_to_cpu(kfib->header.Size) > sizeof(struct hw_fib) - sizeof(struct aac_fibhdr)) {
		fib_free(fibptr);
		return -EINVAL;
	}

	if (copy_from_user((void *) kfib, arg, le32_to_cpu(kfib->header.Size) + sizeof(struct aac_fibhdr))) {
		fib_free(fibptr);
		return -EFAULT;
	}

	if (kfib->header.Command == cpu_to_le32(TakeABreakPt)) {
		aac_adapter_interrupt(dev);
		/*
		 * Since we didn't really send a fib, zero out the state to allow 
		 * cleanup code not to assert.
		 */
		kfib->header.XferState = 0;
	} else {
		if (fib_send(kfib->header.Command, fibptr, le32_to_cpu(kfib->header.Size) , FsaNormal,
			1, 1, NULL, NULL) != 0) 
		{
			fib_free(fibptr);
			return -EINVAL;
		}
		if (fib_complete(fibptr) != 0) {
			fib_free(fibptr);
			return -EINVAL;
		}
	}
	/*
	 *	Make sure that the size returned by the adapter (which includes
	 *	the header) is less than or equal to the size of a fib, so we
	 *	don't corrupt application data. Then copy that size to the user
	 *	buffer. (Don't try to add the header information again, since it
	 *	was already included by the adapter.)
	 */

	if (copy_to_user(arg, (void *)kfib, kfib->header.Size)) {
		fib_free(fibptr);
		return -EFAULT;
	}
	fib_free(fibptr);
	return 0;
}