i40e/i40evf: Save WR_CSR_PROT field from DEV/FUNC capabilities

Store the 8 bytes of the WR_CSR_PROT field returned as part of the get
device/function capabilities AQ command.

Change-ID: Ifcaeea2ff29885fa769e4f384c7db88a25e8afd0
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

3 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index ce522d76811d..0bae22da014d 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -2397,6 +2397,7 @@ i40e_aq_erase_nvm_exit:
 #define I40E_DEV_FUNC_CAP_LED           0x61
 #define I40E_DEV_FUNC_CAP_SDP           0x62
 #define I40E_DEV_FUNC_CAP_MDIO          0x63
+#define I40E_DEV_FUNC_CAP_WR_CSR_PROT   0x64
 
 /**
  * i40e_parse_discover_capabilities
@@ -2541,6 +2542,10 @@ static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
                         p->fd_filters_guaranteed = number;
                         p->fd_filters_best_effort = logical_id;
                         break;
+                case I40E_DEV_FUNC_CAP_WR_CSR_PROT:
+                        p->wr_csr_prot = (u64)number;
+                        p->wr_csr_prot |= (u64)logical_id << 32;
+                        break;
                 default:
                         break;
                 }
diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h
index 67c7bc9e9c21..568e855da0f3 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_type.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_type.h
@@ -242,6 +242,7 @@ struct i40e_hw_capabilities {
         u8 rx_buf_chain_len;
         u32 enabled_tcmap;
         u32 maxtc;
+        u64 wr_csr_prot;
 };
 
 struct i40e_mac_info {
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h
index 9c79cb6abb2b..ec9d83a93379 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_type.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h
@@ -242,6 +242,7 @@ struct i40e_hw_capabilities {
         u8 rx_buf_chain_len;
         u32 enabled_tcmap;
         u32 maxtc;
+        u64 wr_csr_prot;
 };
 
 struct i40e_mac_info {