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Message-ID: <20220905105852.26398-2-yishaih@nvidia.com>
Date: Mon, 5 Sep 2022 13:58:43 +0300
From: Yishai Hadas <yishaih@...dia.com>
To: <alex.williamson@...hat.com>, <jgg@...dia.com>
CC: <saeedm@...dia.com>, <kvm@...r.kernel.org>,
<netdev@...r.kernel.org>, <kuba@...nel.org>,
<kevin.tian@...el.com>, <joao.m.martins@...cle.com>,
<leonro@...dia.com>, <yishaih@...dia.com>, <maorg@...dia.com>,
<cohuck@...hat.com>
Subject: [PATCH V6 vfio 01/10] net/mlx5: Introduce ifc bits for page tracker
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 <yishaih@...dia.com>
---
include/linux/mlx5/mlx5_ifc.h | 83 ++++++++++++++++++++++++++++++++++-
1 file changed, 82 insertions(+), 1 deletion(-)
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 4acd5610e96b..06eab92b9fb3 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,
@@ -1733,7 +1734,9 @@ 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];
@@ -11818,4 +11821,82 @@ 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 */
--
2.18.1
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