#define SBP2_RETRY_LIMIT 0xf /* 15 retries */
#define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */
+ /*
+ * There is no transport protocol limit to the CDB length, but we implement
+ * a fixed length only. 16 bytes is enough for disks larger than 2 TB.
+ */
+ #define SBP2_MAX_CDB_SIZE 16
+
/*
* The default maximum s/g segment size of a FireWire controller is
* usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to
struct sbp2_pointer next;
struct sbp2_pointer data_descriptor;
__be32 misc;
- u8 command_block[12];
+ u8 command_block[SBP2_MAX_CDB_SIZE];
} request;
struct scsi_cmnd *cmd;
scsi_done_fn_t done;
return -ENOMEM;
tgt = (struct sbp2_target *)shost->hostdata;
- unit->device.driver_data = tgt;
+ dev_set_drvdata(&unit->device, tgt);
tgt->unit = unit;
kref_init(&tgt->kref);
INIT_LIST_HEAD(&tgt->lu_list);
if (fw_device_enable_phys_dma(device) < 0)
goto fail_shost_put;
+ shost->max_cmd_len = SBP2_MAX_CDB_SIZE;
+
if (scsi_add_host(shost, &unit->device) < 0)
goto fail_shost_put;
static int sbp2_remove(struct device *dev)
{
struct fw_unit *unit = fw_unit(dev);
- struct sbp2_target *tgt = unit->device.driver_data;
+ struct sbp2_target *tgt = dev_get_drvdata(&unit->device);
sbp2_target_put(tgt);
return 0;
static void sbp2_update(struct fw_unit *unit)
{
- struct sbp2_target *tgt = unit->device.driver_data;
+ struct sbp2_target *tgt = dev_get_drvdata(&unit->device);
struct sbp2_logical_unit *lu;
fw_device_enable_phys_dma(fw_parent_device(unit));
struct scsi_device *sdev;
ud = container_of(dev, struct unit_directory, device);
- lu = ud->device.driver_data;
+ lu = dev_get_drvdata(&ud->device);
if (!lu)
return 0;
static int sbp2_update(struct unit_directory *ud)
{
- struct sbp2_lu *lu = ud->device.driver_data;
+ struct sbp2_lu *lu = dev_get_drvdata(&ud->device);
if (sbp2_reconnect_device(lu) != 0) {
/*
atomic_set(&lu->state, SBP2LU_STATE_RUNNING);
INIT_WORK(&lu->protocol_work, NULL);
- ud->device.driver_data = lu;
+ dev_set_drvdata(&ud->device, lu);
hi = hpsb_get_hostinfo(&sbp2_highlevel, ud->ne->host);
if (!hi) {
}
shost->hostdata[0] = (unsigned long)lu;
+ shost->max_cmd_len = SBP2_MAX_CDB_SIZE;
if (!scsi_add_host(shost, &ud->device)) {
lu->shost = shost;
hpsb_unregister_addrspace(&sbp2_highlevel, hi->host,
lu->status_fifo_addr);
- lu->ud->device.driver_data = NULL;
+ dev_set_drvdata(&lu->ud->device, NULL);
module_put(hi->host->driver->owner);
no_hi: