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-rw-r--r--drivers/vdpa/mlx5/Makefile2
-rw-r--r--drivers/vdpa/mlx5/core/mlx5_vdpa_ifc.h168
-rw-r--r--drivers/vdpa/mlx5/net/main.c76
-rw-r--r--drivers/vdpa/mlx5/net/mlx5_vnet.c53
-rw-r--r--drivers/vdpa/mlx5/net/mlx5_vnet.h24
5 files changed, 46 insertions, 277 deletions
diff --git a/drivers/vdpa/mlx5/Makefile b/drivers/vdpa/mlx5/Makefile
index 89a5bededc9f..f717978c83bf 100644
--- a/drivers/vdpa/mlx5/Makefile
+++ b/drivers/vdpa/mlx5/Makefile
@@ -1,4 +1,4 @@
subdir-ccflags-y += -I$(srctree)/drivers/vdpa/mlx5/core
obj-$(CONFIG_MLX5_VDPA_NET) += mlx5_vdpa.o
-mlx5_vdpa-$(CONFIG_MLX5_VDPA_NET) += net/main.o net/mlx5_vnet.o core/resources.o core/mr.o
+mlx5_vdpa-$(CONFIG_MLX5_VDPA_NET) += net/mlx5_vnet.o core/resources.o core/mr.o
diff --git a/drivers/vdpa/mlx5/core/mlx5_vdpa_ifc.h b/drivers/vdpa/mlx5/core/mlx5_vdpa_ifc.h
deleted file mode 100644
index f6f57a29b38e..000000000000
--- a/drivers/vdpa/mlx5/core/mlx5_vdpa_ifc.h
+++ /dev/null
@@ -1,168 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
-/* Copyright (c) 2020 Mellanox Technologies Ltd. */
-
-#ifndef __MLX5_VDPA_IFC_H_
-#define __MLX5_VDPA_IFC_H_
-
-#include <linux/mlx5/mlx5_ifc.h>
-
-enum {
- MLX5_VIRTIO_Q_EVENT_MODE_NO_MSIX_MODE = 0x0,
- MLX5_VIRTIO_Q_EVENT_MODE_QP_MODE = 0x1,
- MLX5_VIRTIO_Q_EVENT_MODE_MSIX_MODE = 0x2,
-};
-
-enum {
- MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT = 0x1, // do I check this caps?
- MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED = 0x2,
-};
-
-enum {
- MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT = 0,
- MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED = 1,
-};
-
-struct mlx5_ifc_virtio_q_bits {
- u8 virtio_q_type[0x8];
- u8 reserved_at_8[0x5];
- u8 event_mode[0x3];
- u8 queue_index[0x10];
-
- u8 full_emulation[0x1];
- u8 virtio_version_1_0[0x1];
- u8 reserved_at_22[0x2];
- u8 offload_type[0x4];
- u8 event_qpn_or_msix[0x18];
-
- u8 doorbell_stride_index[0x10];
- u8 queue_size[0x10];
-
- u8 device_emulation_id[0x20];
-
- u8 desc_addr[0x40];
-
- u8 used_addr[0x40];
-
- u8 available_addr[0x40];
-
- u8 virtio_q_mkey[0x20];
-
- u8 max_tunnel_desc[0x10];
- u8 reserved_at_170[0x8];
- u8 error_type[0x8];
-
- u8 umem_1_id[0x20];
-
- u8 umem_1_size[0x20];
-
- u8 umem_1_offset[0x40];
-
- u8 umem_2_id[0x20];
-
- u8 umem_2_size[0x20];
-
- u8 umem_2_offset[0x40];
-
- u8 umem_3_id[0x20];
-
- u8 umem_3_size[0x20];
-
- u8 umem_3_offset[0x40];
-
- u8 counter_set_id[0x20];
-
- u8 reserved_at_320[0x8];
- u8 pd[0x18];
-
- u8 reserved_at_340[0xc0];
-};
-
-struct mlx5_ifc_virtio_net_q_object_bits {
- u8 modify_field_select[0x40];
-
- u8 reserved_at_40[0x20];
-
- u8 vhca_id[0x10];
- u8 reserved_at_70[0x10];
-
- u8 queue_feature_bit_mask_12_3[0xa];
- u8 dirty_bitmap_dump_enable[0x1];
- u8 vhost_log_page[0x5];
- u8 reserved_at_90[0xc];
- u8 state[0x4];
-
- u8 reserved_at_a0[0x5];
- u8 queue_feature_bit_mask_2_0[0x3];
- u8 tisn_or_qpn[0x18];
-
- u8 dirty_bitmap_mkey[0x20];
-
- u8 dirty_bitmap_size[0x20];
-
- u8 dirty_bitmap_addr[0x40];
-
- u8 hw_available_index[0x10];
- u8 hw_used_index[0x10];
-
- u8 reserved_at_160[0xa0];
-
- struct mlx5_ifc_virtio_q_bits virtio_q_context;
-};
-
-struct mlx5_ifc_create_virtio_net_q_in_bits {
- struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
-
- struct mlx5_ifc_virtio_net_q_object_bits obj_context;
-};
-
-struct mlx5_ifc_create_virtio_net_q_out_bits {
- struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
-};
-
-struct mlx5_ifc_destroy_virtio_net_q_in_bits {
- struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_out_cmd_hdr;
-};
-
-struct mlx5_ifc_destroy_virtio_net_q_out_bits {
- struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
-};
-
-struct mlx5_ifc_query_virtio_net_q_in_bits {
- struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
-};
-
-struct mlx5_ifc_query_virtio_net_q_out_bits {
- struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
-
- struct mlx5_ifc_virtio_net_q_object_bits obj_context;
-};
-
-enum {
- MLX5_VIRTQ_MODIFY_MASK_STATE = (u64)1 << 0,
- MLX5_VIRTQ_MODIFY_MASK_DIRTY_BITMAP_PARAMS = (u64)1 << 3,
- MLX5_VIRTQ_MODIFY_MASK_DIRTY_BITMAP_DUMP_ENABLE = (u64)1 << 4,
-};
-
-enum {
- MLX5_VIRTIO_NET_Q_OBJECT_STATE_INIT = 0x0,
- MLX5_VIRTIO_NET_Q_OBJECT_STATE_RDY = 0x1,
- MLX5_VIRTIO_NET_Q_OBJECT_STATE_SUSPEND = 0x2,
- MLX5_VIRTIO_NET_Q_OBJECT_STATE_ERR = 0x3,
-};
-
-enum {
- MLX5_RQTC_LIST_Q_TYPE_RQ = 0x0,
- MLX5_RQTC_LIST_Q_TYPE_VIRTIO_NET_Q = 0x1,
-};
-
-struct mlx5_ifc_modify_virtio_net_q_in_bits {
- struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
-
- struct mlx5_ifc_virtio_net_q_object_bits obj_context;
-};
-
-struct mlx5_ifc_modify_virtio_net_q_out_bits {
- struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
-};
-
-#endif /* __MLX5_VDPA_IFC_H_ */
diff --git a/drivers/vdpa/mlx5/net/main.c b/drivers/vdpa/mlx5/net/main.c
deleted file mode 100644
index 838cd98386ff..000000000000
--- a/drivers/vdpa/mlx5/net/main.c
+++ /dev/null
@@ -1,76 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
-/* Copyright (c) 2020 Mellanox Technologies Ltd. */
-
-#include <linux/module.h>
-#include <linux/mlx5/driver.h>
-#include <linux/mlx5/device.h>
-#include "mlx5_vdpa_ifc.h"
-#include "mlx5_vnet.h"
-
-MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
-MODULE_DESCRIPTION("Mellanox VDPA driver");
-MODULE_LICENSE("Dual BSD/GPL");
-
-static bool required_caps_supported(struct mlx5_core_dev *mdev)
-{
- u8 event_mode;
- u64 got;
-
- got = MLX5_CAP_GEN_64(mdev, general_obj_types);
-
- if (!(got & MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_NET_Q))
- return false;
-
- event_mode = MLX5_CAP_DEV_VDPA_EMULATION(mdev, event_mode);
- if (!(event_mode & MLX5_VIRTIO_Q_EVENT_MODE_QP_MODE))
- return false;
-
- if (!MLX5_CAP_DEV_VDPA_EMULATION(mdev, eth_frame_offload_type))
- return false;
-
- return true;
-}
-
-static void *mlx5_vdpa_add(struct mlx5_core_dev *mdev)
-{
- struct mlx5_vdpa_dev *vdev;
-
- if (mlx5_core_is_pf(mdev))
- return NULL;
-
- if (!required_caps_supported(mdev)) {
- dev_info(mdev->device, "virtio net emulation not supported\n");
- return NULL;
- }
- vdev = mlx5_vdpa_add_dev(mdev);
- if (IS_ERR(vdev))
- return NULL;
-
- return vdev;
-}
-
-static void mlx5_vdpa_remove(struct mlx5_core_dev *mdev, void *context)
-{
- struct mlx5_vdpa_dev *vdev = context;
-
- mlx5_vdpa_remove_dev(vdev);
-}
-
-static struct mlx5_interface mlx5_vdpa_interface = {
- .add = mlx5_vdpa_add,
- .remove = mlx5_vdpa_remove,
- .protocol = MLX5_INTERFACE_PROTOCOL_VDPA,
-};
-
-static int __init mlx5_vdpa_init(void)
-{
- return mlx5_register_interface(&mlx5_vdpa_interface);
-}
-
-static void __exit mlx5_vdpa_exit(void)
-{
- mlx5_unregister_interface(&mlx5_vdpa_interface);
-}
-
-module_init(mlx5_vdpa_init);
-module_exit(mlx5_vdpa_exit);
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 1fa6fcac8299..f1d54814db97 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -1,18 +1,28 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2020 Mellanox Technologies Ltd. */
+#include <linux/module.h>
#include <linux/vdpa.h>
+#include <linux/vringh.h>
+#include <uapi/linux/virtio_net.h>
#include <uapi/linux/virtio_ids.h>
#include <linux/virtio_config.h>
+#include <linux/auxiliary_bus.h>
+#include <linux/mlx5/cq.h>
#include <linux/mlx5/qp.h>
#include <linux/mlx5/device.h>
+#include <linux/mlx5/driver.h>
#include <linux/mlx5/vport.h>
#include <linux/mlx5/fs.h>
-#include <linux/mlx5/device.h>
-#include "mlx5_vnet.h"
-#include "mlx5_vdpa_ifc.h"
+#include <linux/mlx5/mlx5_ifc_vdpa.h>
#include "mlx5_vdpa.h"
+MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
+MODULE_DESCRIPTION("Mellanox VDPA driver");
+MODULE_LICENSE("Dual BSD/GPL");
+
+#define to_mlx5_vdpa_ndev(__mvdev) \
+ container_of(__mvdev, struct mlx5_vdpa_net, mvdev)
#define to_mvdev(__vdev) container_of((__vdev), struct mlx5_vdpa_dev, vdev)
#define VALID_FEATURES_MASK \
@@ -159,6 +169,11 @@ static bool mlx5_vdpa_debug;
mlx5_vdpa_info(mvdev, "%s\n", #_status); \
} while (0)
+static inline u32 mlx5_vdpa_max_qps(int max_vqs)
+{
+ return max_vqs / 2;
+}
+
static void print_status(struct mlx5_vdpa_dev *mvdev, u8 status, bool set)
{
if (status & ~VALID_STATUS_MASK)
@@ -1928,8 +1943,11 @@ static void init_mvqs(struct mlx5_vdpa_net *ndev)
}
}
-void *mlx5_vdpa_add_dev(struct mlx5_core_dev *mdev)
+static int mlx5v_probe(struct auxiliary_device *adev,
+ const struct auxiliary_device_id *id)
{
+ struct mlx5_adev *madev = container_of(adev, struct mlx5_adev, adev);
+ struct mlx5_core_dev *mdev = madev->mdev;
struct virtio_net_config *config;
struct mlx5_vdpa_dev *mvdev;
struct mlx5_vdpa_net *ndev;
@@ -1943,7 +1961,7 @@ void *mlx5_vdpa_add_dev(struct mlx5_core_dev *mdev)
ndev = vdpa_alloc_device(struct mlx5_vdpa_net, mvdev.vdev, mdev->device, &mlx5_vdpa_ops,
2 * mlx5_vdpa_max_qps(max_vqs));
if (IS_ERR(ndev))
- return ndev;
+ return PTR_ERR(ndev);
ndev->mvdev.max_vqs = max_vqs;
mvdev = &ndev->mvdev;
@@ -1972,7 +1990,8 @@ void *mlx5_vdpa_add_dev(struct mlx5_core_dev *mdev)
if (err)
goto err_reg;
- return ndev;
+ dev_set_drvdata(&adev->dev, ndev);
+ return 0;
err_reg:
free_resources(ndev);
@@ -1981,10 +2000,28 @@ err_res:
err_mtu:
mutex_destroy(&ndev->reslock);
put_device(&mvdev->vdev.dev);
- return ERR_PTR(err);
+ return err;
}
-void mlx5_vdpa_remove_dev(struct mlx5_vdpa_dev *mvdev)
+static void mlx5v_remove(struct auxiliary_device *adev)
{
+ struct mlx5_vdpa_dev *mvdev = dev_get_drvdata(&adev->dev);
+
vdpa_unregister_device(&mvdev->vdev);
}
+
+static const struct auxiliary_device_id mlx5v_id_table[] = {
+ { .name = MLX5_ADEV_NAME ".vnet", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(auxiliary, mlx5v_id_table);
+
+static struct auxiliary_driver mlx5v_driver = {
+ .name = "vnet",
+ .probe = mlx5v_probe,
+ .remove = mlx5v_remove,
+ .id_table = mlx5v_id_table,
+};
+
+module_auxiliary_driver(mlx5v_driver);
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.h b/drivers/vdpa/mlx5/net/mlx5_vnet.h
deleted file mode 100644
index f2d6d68b020e..000000000000
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
-/* Copyright (c) 2020 Mellanox Technologies Ltd. */
-
-#ifndef __MLX5_VNET_H_
-#define __MLX5_VNET_H_
-
-#include <linux/vdpa.h>
-#include <linux/virtio_net.h>
-#include <linux/vringh.h>
-#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cq.h>
-#include <linux/mlx5/qp.h>
-#include "mlx5_vdpa.h"
-
-static inline u32 mlx5_vdpa_max_qps(int max_vqs)
-{
- return max_vqs / 2;
-}
-
-#define to_mlx5_vdpa_ndev(__mvdev) container_of(__mvdev, struct mlx5_vdpa_net, mvdev)
-void *mlx5_vdpa_add_dev(struct mlx5_core_dev *mdev);
-void mlx5_vdpa_remove_dev(struct mlx5_vdpa_dev *mvdev);
-
-#endif /* __MLX5_VNET_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 04:16:49 +0000