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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  ieee1394: sbp2: add support for disks >2 TB (and 16 bytes long CDBs)
  firewire: sbp2: add support for disks >2 TB (and 16 bytes long CDBs)
  firewire: core: do not DMA-map stack addresses
This commit is contained in:
Linus Torvalds 2009-07-06 14:03:44 -07:00
commit f63bafe556
8 changed files with 43 additions and 22 deletions
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1
drivers/ieee1394/sbp2.c
View file

@ -880,6 +880,7 @@ static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *ud)
}
shost->hostdata[0] = (unsigned long)lu;
shost->max_cmd_len = SBP2_MAX_CDB_SIZE;
if (!scsi_add_host(shost, &ud->device)) {
lu->shost = shost;

8
drivers/ieee1394/sbp2.h
View file

@ -24,6 +24,12 @@
#define SBP2_DEVICE_NAME "sbp2"
/*
* 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
/*
* SBP-2 specific definitions
*/
@ -51,7 +57,7 @@ struct sbp2_command_orb {
u32 data_descriptor_hi;
u32 data_descriptor_lo;
u32 misc;
u8 cdb[12];
u8 cdb[SBP2_MAX_CDB_SIZE];
} __attribute__((packed));
#define SBP2_LOGIN_REQUEST 0x0