diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
| commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
| tree | d6d89a12e7eb8017837c057935a2271290907f76 /drivers/net/ethernet/intel/ixgbevf/mbx.c | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbevf/mbx.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/mbx.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/mbx.c b/drivers/net/ethernet/intel/ixgbevf/mbx.c index dc68fea48..2819abc45 100644 --- a/drivers/net/ethernet/intel/ixgbevf/mbx.c +++ b/drivers/net/ethernet/intel/ixgbevf/mbx.c @@ -85,7 +85,7 @@ static s32 ixgbevf_poll_for_ack(struct ixgbe_hw *hw) static s32 ixgbevf_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size) { struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = -IXGBE_ERR_MBX; + s32 ret_val = IXGBE_ERR_MBX; if (!mbx->ops.read) goto out; @@ -111,7 +111,7 @@ out: static s32 ixgbevf_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size) { struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = -IXGBE_ERR_MBX; + s32 ret_val = IXGBE_ERR_MBX; /* exit if either we can't write or there isn't a defined timeout */ if (!mbx->ops.write || !mbx->timeout) @@ -346,3 +346,14 @@ const struct ixgbe_mbx_operations ixgbevf_mbx_ops = { .check_for_rst = ixgbevf_check_for_rst_vf, }; +/* Mailbox operations when running on Hyper-V. + * On Hyper-V, PF/VF communication is not through the + * hardware mailbox; this communication is through + * a software mediated path. + * Most mail box operations are noop while running on + * Hyper-V. + */ +const struct ixgbe_mbx_operations ixgbevf_hv_mbx_ops = { + .init_params = ixgbevf_init_mbx_params_vf, + .check_for_rst = ixgbevf_check_for_rst_vf, +}; |