[V3,vfio,01/11] net/mlx5: Introduce ifc bits for page tracker

Commit Message

Yishai Hadas July 31, 2022, 12:54 p.m. UTC

Introduce ifc related stuff to enable using page tracker.

A page tracker is a dirty page tracking object used by the device to
report the tracking log.

Signed-off-by: Yishai Hadas <[e-mail]>
---
 include/linux/mlx5/mlx5_ifc.h | 82 ++++++++++++++++++++++++++++++++++-
 1 file changed, 81 insertions(+), 1 deletion(-)

Patch

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index fd7d083a34d3..ff6445cb27ba 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -89,6 +89,7 @@  enum {
 	MLX5_OBJ_TYPE_VIRTIO_NET_Q = 0x000d,
 	MLX5_OBJ_TYPE_VIRTIO_Q_COUNTERS = 0x001c,
 	MLX5_OBJ_TYPE_MATCH_DEFINER = 0x0018,
+	MLX5_OBJ_TYPE_PAGE_TRACK = 0x46,
 	MLX5_OBJ_TYPE_MKEY = 0xff01,
 	MLX5_OBJ_TYPE_QP = 0xff02,
 	MLX5_OBJ_TYPE_PSV = 0xff03,
@@ -1711,7 +1712,9 @@  struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         max_geneve_tlv_options[0x8];
 	u8         reserved_at_568[0x3];
 	u8         max_geneve_tlv_option_data_len[0x5];
-	u8         reserved_at_570[0x10];
+	u8         reserved_at_570[0x9];
+	u8         adv_virtualization[0x1];
+	u8         reserved_at_57a[0x6];
 
 	u8	   reserved_at_580[0xb];
 	u8	   log_max_dci_stream_channels[0x5];
@@ -11668,4 +11671,81 @@  struct mlx5_ifc_load_vhca_state_out_bits {
 	u8         reserved_at_40[0x40];
 };
 
+struct mlx5_ifc_adv_virtualization_cap_bits {
+	u8         reserved_at_0[0x3];
+	u8         pg_track_log_max_num[0x5];
+	u8         pg_track_max_num_range[0x8];
+	u8         pg_track_log_min_addr_space[0x8];
+	u8         pg_track_log_max_addr_space[0x8];
+
+	u8         reserved_at_20[0x3];
+	u8         pg_track_log_min_msg_size[0x5];
+	u8         reserved_at_28[0x3];
+	u8         pg_track_log_max_msg_size[0x5];
+	u8         reserved_at_30[0x3];
+	u8         pg_track_log_min_page_size[0x5];
+	u8         reserved_at_38[0x3];
+	u8         pg_track_log_max_page_size[0x5];
+
+	u8         reserved_at_40[0x7c0];
+};
+
+struct mlx5_ifc_page_track_report_entry_bits {
+	u8         dirty_address_high[0x20];
+
+	u8         dirty_address_low[0x20];
+};
+
+enum {
+	MLX5_PAGE_TRACK_STATE_TRACKING,
+	MLX5_PAGE_TRACK_STATE_REPORTING,
+	MLX5_PAGE_TRACK_STATE_ERROR,
+};
+
+struct mlx5_ifc_page_track_range_bits {
+	u8         start_address[0x40];
+
+	u8         length[0x40];
+};
+
+struct mlx5_ifc_page_track_bits {
+	u8         modify_field_select[0x40];
+
+	u8         reserved_at_40[0x10];
+	u8         vhca_id[0x10];
+
+	u8         reserved_at_60[0x20];
+
+	u8         state[0x4];
+	u8         track_type[0x4];
+	u8         log_addr_space_size[0x8];
+	u8         reserved_at_90[0x3];
+	u8         log_page_size[0x5];
+	u8         reserved_at_98[0x3];
+	u8         log_msg_size[0x5];
+
+	u8         reserved_at_a0[0x8];
+	u8         reporting_qpn[0x18];
+
+	u8         reserved_at_c0[0x18];
+	u8         num_ranges[0x8];
+
+	u8         reserved_at_e0[0x20];
+
+	u8         range_start_address[0x40];
+
+	u8         length[0x40];
+
+	struct     mlx5_ifc_page_track_range_bits track_range[0];
+};
+
+struct mlx5_ifc_create_page_track_obj_in_bits {
+	struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+	struct mlx5_ifc_page_track_bits obj_context;
+};
+
+struct mlx5_ifc_modify_page_track_obj_in_bits {
+	struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+	struct mlx5_ifc_page_track_bits obj_context;
+};
 #endif /* MLX5_IFC_H */