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| author | Yishai Hadas <yishaih@mellanox.com> | 2015-01-25 16:59:40 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-01-25 14:43:14 -0800 |
| commit | c69453e294c9f16da977b68e658a8028b854c209 (patch) | |
| tree | 31d0d1363f6fdcad81c6de6eec722d657ae486a3 /include | |
| parent | f5aef5aa35063f2b45c3605871cd525d0cb7fb7a (diff) | |
| download | linux-c69453e294c9f16da977b68e658a8028b854c209.tar.gz linux-c69453e294c9f16da977b68e658a8028b854c209.tar.bz2 linux-c69453e294c9f16da977b68e658a8028b854c209.zip | |
net/mlx4_core: Manage interface state for Reset flow cases
We need to manage interface state to sync between reset flow and some other
relative cases such as remove_one. This has to be done to prevent certain
races. For example in case software stack is down as a result of unload call,
the remove_one should skip the unload phase.
Implement the remove_one case, handling AER and other cases comes next.
The interface can be up/down, upon remove_one, the state will include an extra
bit indicating that the device is cleaned-up, forcing other tasks to finish
before the final cleanup.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mlx4/device.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 7d5d317cb7a6..33f9ca71925c 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -416,6 +416,11 @@ enum { MLX4_DEVICE_STATE_INTERNAL_ERROR = 1 << 1, }; +enum { + MLX4_INTERFACE_STATE_UP = 1 << 0, + MLX4_INTERFACE_STATE_DELETION = 1 << 1, +}; + #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \ MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK) @@ -760,6 +765,8 @@ struct mlx4_dev_persistent { struct workqueue_struct *catas_wq; struct mutex device_state_mutex; /* protect HW state */ u8 state; + struct mutex interface_state_mutex; /* protect SW state */ + u8 interface_state; }; struct mlx4_dev { |