Commit b8262a6d authored by Anjali Singhai Jain's avatar Anjali Singhai Jain Committed by Jeff Kirsher

i40e/i40evf: add VIRTCHNL_VF_OFFLOAD flag

Add virtual channel offload capability to support RX polling mode in the
VF.

Change-ID: Ib643ae2a7506dfc75fc489fc207493fabefa4832
Signed-off-by: default avatarJingjing Wu <jingjing.wu@intel.com>
Signed-off-by: default avatarAnjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 2b20c883
......@@ -873,6 +873,13 @@
#define I40E_PFINT_CEQCTL_CAUSE_ENA_MASK I40E_MASK(0x1, I40E_PFINT_CEQCTL_CAUSE_ENA_SHIFT)
#define I40E_PFINT_CEQCTL_INTEVENT_SHIFT 31
#define I40E_PFINT_CEQCTL_INTEVENT_MASK I40E_MASK(0x1, I40E_PFINT_CEQCTL_INTEVENT_SHIFT)
#define I40E_GLINT_CTL 0x0003F800 /* Reset: CORER */
#define I40E_GLINT_CTL_DIS_AUTOMASK_PF0_SHIFT 0
#define I40E_GLINT_CTL_DIS_AUTOMASK_PF0_MASK I40E_MASK(0x1, I40E_GLINT_CTL_DIS_AUTOMASK_PF0_SHIFT)
#define I40E_GLINT_CTL_DIS_AUTOMASK_VF0_SHIFT 1
#define I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK I40E_MASK(0x1, I40E_GLINT_CTL_DIS_AUTOMASK_VF0_SHIFT)
#define I40E_GLINT_CTL_DIS_AUTOMASK_N_SHIFT 2
#define I40E_GLINT_CTL_DIS_AUTOMASK_N_MASK I40E_MASK(0x1, I40E_GLINT_CTL_DIS_AUTOMASK_N_SHIFT)
#define I40E_PFINT_DYN_CTL0 0x00038480 /* Reset: PFR */
#define I40E_PFINT_DYN_CTL0_INTENA_SHIFT 0
#define I40E_PFINT_DYN_CTL0_INTENA_MASK I40E_MASK(0x1, I40E_PFINT_DYN_CTL0_INTENA_SHIFT)
......
......@@ -152,6 +152,7 @@ struct i40e_virtchnl_vsi_resource {
#define I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ 0x00000008
#define I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG 0x00000010
#define I40E_VIRTCHNL_VF_OFFLOAD_VLAN 0x00010000
#define I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING 0x00020000
struct i40e_virtchnl_vf_resource {
u16 num_vsis;
......
......@@ -335,6 +335,18 @@ static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,
wr32(hw, reg_idx, reg);
}
/* if the vf is running in polling mode and using interrupt zero,
* need to disable auto-mask on enabling zero interrupt for VFs.
*/
if ((vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) &&
(vector_id == 0)) {
reg = rd32(hw, I40E_GLINT_CTL);
if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) {
reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK;
wr32(hw, I40E_GLINT_CTL, reg);
}
}
irq_list_done:
i40e_flush(hw);
}
......
......@@ -152,6 +152,7 @@ struct i40e_virtchnl_vsi_resource {
#define I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ 0x00000008
#define I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG 0x00000010
#define I40E_VIRTCHNL_VF_OFFLOAD_VLAN 0x00010000
#define I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING 0x00020000
struct i40e_virtchnl_vf_resource {
u16 num_vsis;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment