Gitweb: http://git.kernel.org/linus/cc4ac2e7fb90dfbbbd5a42df0879733f787e4690
Commit: cc4ac2e7fb90dfbbbd5a42df0879733f787e4690
Parent: 626f380d0b264a1e40237f5a2a3dffc5d14f256e
Author: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
AuthorDate: Mon Jul 6 16:10:03 2009 -0700
Committer: Roland Dreier <rolandd@cisco.com>
CommitDate: Mon Jul 6 16:10:03 2009 -0700
mlx4_core: Handle multi-physical function devices
MT26468 (PCI ID 0x6764) devices can expose multiple physical
functions. The current driver only handles the primary physical
function. For other functions, the QUERY_FW firmware command will
fail with the CMD_STAT_MULTI_FUNC_REQ error code. Don't try to drive
such devices, but print a message saying the driver is skipping those
devices rather than just "QUERY_FW command failed."
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
[ Rather than keeping unsupported devices bound to the driver, simply
print a more informative error message and exit - Roland ]
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/net/mlx4/cmd.c | 5 ++++-
drivers/net/mlx4/main.c | 5 ++++-
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mlx4/cmd.c b/drivers/net/mlx4/cmd.c
index 2845a05..65ec77d 100644
--- a/drivers/net/mlx4/cmd.c
+++ b/drivers/net/mlx4/cmd.c
@@ -80,7 +80,9 @@ enum {
/* Bad management packet (silently discarded): */
CMD_STAT_BAD_PKT = 0x30,
/* More outstanding CQEs in CQ than new CQ size: */
- CMD_STAT_BAD_SIZE = 0x40
+ CMD_STAT_BAD_SIZE = 0x40,
+ /* Multi Function device support required: */
+ CMD_STAT_MULTI_FUNC_REQ = 0x50,
};
enum {
@@ -128,6 +130,7 @@ static int mlx4_status_to_errno(u8 status)
[CMD_STAT_LAM_NOT_PRE] = -EAGAIN,
[CMD_STAT_BAD_PKT] = -EINVAL,
[CMD_STAT_BAD_SIZE] = -ENOMEM,
+ [CMD_STAT_MULTI_FUNC_REQ] = -EACCES,
};
if (status >= ARRAY_SIZE(trans_table) ||
diff --git ...
