diff options
| author |   Roland Dreier <roland@purestorage.com> | 2012-10-31 09:16:49 -0700 |
|---|---|---|
| committer |   Nicholas Bellinger <nab@linux-iscsi.org> | 2012-11-06 20:55:46 -0800 |
| commit | 0f6d64cee9c518f5d3138a90cead62fba2031074 (patch) | |
| tree | e4b0b43d31c9b1651b20549b504f917f36ae5aea /drivers/target | |
| parent | target: Refactor MODE SENSE emulation (diff) | |
| download | linux-dev-0f6d64cee9c518f5d3138a90cead62fba2031074.tar.xz linux-dev-0f6d64cee9c518f5d3138a90cead62fba2031074.zip | |
target: Implement mode page 0x1c, "Informational Exceptions"
The Windows SCSI compliance test asks for this mode page, and it's
easy to implement: we can just return all 0s to show we don't support
any of these features.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_spc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 8ccfe00c51d7..6c10fce9ef09 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -760,6 +760,19 @@ out: return 20; } +static int spc_modesense_informational_exceptions(struct se_device *dev, u8 pc, unsigned char *p) +{ + p[0] = 0x1c; + p[1] = 0x0a; + + /* No changeable values for now */ + if (pc == 1) + goto out; + +out: + return 12; +} + static struct { uint8_t page; uint8_t subpage; @@ -768,6 +781,7 @@ static struct { { .page = 0x01, .subpage = 0x00, .emulate = spc_modesense_rwrecovery }, { .page = 0x08, .subpage = 0x00, .emulate = spc_modesense_caching }, { .page = 0x0a, .subpage = 0x00, .emulate = spc_modesense_control }, + { .page = 0x1c, .subpage = 0x00, .emulate = spc_modesense_informational_exceptions }, }; static void spc_modesense_write_protect(unsigned char *buf, int type) |