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;
}
