diff options
| author |   KY Srinivasan <kys@microsoft.com> | 2016-04-19 19:17:57 -0700 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-05-04 00:24:29 -0700 |
| commit | c6d45171d706c2b5efa3d5ee7a8260c14b6367c0 (patch) | |
| tree | 674a789d06bef3cce742c81ca7cc002d305c97c8 /drivers/net/ethernet/intel/ixgbevf/mbx.c | |
| parent | ixgbevf: Add the device ID's presented while running on Hyper-V (diff) | |
| download | linux-dev-c6d45171d706c2b5efa3d5ee7a8260c14b6367c0.tar.xz linux-dev-c6d45171d706c2b5efa3d5ee7a8260c14b6367c0.zip | |
ixgbevf: Support Windows hosts (Hyper-V)
On Hyper-V, the VF/PF communication is a via software mediated path
as opposed to the hardware mailbox. Make the necessary
adjustments to support Hyper-V.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbevf/mbx.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/mbx.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/mbx.c b/drivers/net/ethernet/intel/ixgbevf/mbx.c index dc68fea4894b..61a80da8b6f0 100644 --- a/drivers/net/ethernet/intel/ixgbevf/mbx.c +++ b/drivers/net/ethernet/intel/ixgbevf/mbx.c @@ -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, +}; |