net/mlx5: Add layout to support default timeouts register

Add needed structures and defines for DTOR (default timeouts register).
This will be used to get timeouts values from FW instead of hard coded
values in the driver code thus enabling support for slower devices which
need longer timeouts.

Signed-off-by: Amir Tzin <amirtz@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 66eaf0a..109cc81 100644 (file)
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -577,7 +577,9 @@ struct mlx5_init_seg {
        __be32                  rsvd1[120];
        __be32                  initializing;
        struct health_buffer    health;
-       __be32                  rsvd2[880];
+       __be32                  rsvd2[878];
+       __be32                  cmd_exec_to;
+       __be32                  cmd_q_init_to;
        __be32                  internal_timer_h;
        __be32                  internal_timer_l;
        __be32                  rsvd3[2];

diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 0ca719c..ccbd87f 100644 (file)
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -156,6 +156,7 @@ enum {
        MLX5_REG_MIRC            = 0x9162,
        MLX5_REG_SBCAM           = 0xB01F,
        MLX5_REG_RESOURCE_DUMP   = 0xC000,
+       MLX5_REG_DTOR            = 0xC00E,
 };
 
 enum mlx5_qpts_trust_state {

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 993204a..b8bff51 100644 (file)
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1306,7 +1306,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
        u8         vhca_resource_manager[0x1];
 
        u8         hca_cap_2[0x1];
-       u8         reserved_at_21[0x2];
+       u8         reserved_at_21[0x1];
+       u8         dtor[0x1];
        u8         event_on_vhca_state_teardown_request[0x1];
        u8         event_on_vhca_state_in_use[0x1];
        u8         event_on_vhca_state_active[0x1];
@@ -2807,6 +2808,40 @@ struct mlx5_ifc_dropped_packet_logged_bits {
        u8         reserved_at_0[0xe0];
 };
 
+struct mlx5_ifc_default_timeout_bits {
+       u8         to_multiplier[0x3];
+       u8         reserved_at_3[0x9];
+       u8         to_value[0x14];
+};
+
+struct mlx5_ifc_dtor_reg_bits {
+       u8         reserved_at_0[0x20];
+
+       struct mlx5_ifc_default_timeout_bits pcie_toggle_to;
+
+       u8         reserved_at_40[0x60];
+
+       struct mlx5_ifc_default_timeout_bits health_poll_to;
+
+       struct mlx5_ifc_default_timeout_bits full_crdump_to;
+
+       struct mlx5_ifc_default_timeout_bits fw_reset_to;
+
+       struct mlx5_ifc_default_timeout_bits flush_on_err_to;
+
+       struct mlx5_ifc_default_timeout_bits pci_sync_update_to;
+
+       struct mlx5_ifc_default_timeout_bits tear_down_to;
+
+       struct mlx5_ifc_default_timeout_bits fsm_reactivate_to;
+
+       struct mlx5_ifc_default_timeout_bits reclaim_pages_to;
+
+       struct mlx5_ifc_default_timeout_bits reclaim_vfs_pages_to;
+
+       u8         reserved_at_1c0[0x40];
+};
+
 enum {
        MLX5_CQ_ERROR_SYNDROME_CQ_OVERRUN                 = 0x1,
        MLX5_CQ_ERROR_SYNDROME_CQ_ACCESS_VIOLATION_ERROR  = 0x2,