[PATCH v5 01/10] net/mlx5/hws: add support for reformat DevX object

[Gregory Etelson]

From: Hamdan Igbaria <hamdani at nvidia.com>

Add support for creation of packet reformat object,
via the ALLOC_PACKET_REFORMAT_CONTEXT command.

Signed-off-by: Hamdan Igbaria <hamdani at nvidia.com>
Acked-by: Suanming Mou <suanmingm at nvidia.com>
---
 drivers/common/mlx5/mlx5_prm.h         | 39 +++++++++++++++++
 drivers/net/mlx5/hws/mlx5dr_cmd.c      | 60 ++++++++++++++++++++++++++
 drivers/net/mlx5/hws/mlx5dr_cmd.h      | 11 +++++
 drivers/net/mlx5/hws/mlx5dr_internal.h |  5 +++
 drivers/net/mlx5/hws/mlx5dr_send.c     |  5 ---
 5 files changed, 115 insertions(+), 5 deletions(-)

diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index 6e181a0eca..4192fff55b 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -1218,6 +1218,8 @@ enum {
 	MLX5_CMD_OP_CREATE_FLOW_GROUP = 0x933,
 	MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY = 0x936,
 	MLX5_CMD_OP_MODIFY_FLOW_TABLE = 0x93c,
+	MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT = 0x93d,
+	MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT = 0x93e,
 	MLX5_CMD_OP_ALLOC_FLOW_COUNTER = 0x939,
 	MLX5_CMD_OP_QUERY_FLOW_COUNTER = 0x93b,
 	MLX5_CMD_OP_CREATE_GENERAL_OBJECT = 0xa00,
@@ -5191,6 +5193,43 @@ struct mlx5_ifc_modify_flow_table_out_bits {
 	u8 reserved_at_40[0x60];
 };
 
+struct mlx5_ifc_packet_reformat_context_in_bits {
+	u8 reformat_type[0x8];
+	u8 reserved_at_8[0x4];
+	u8 reformat_param_0[0x4];
+	u8 reserved_at_16[0x6];
+	u8 reformat_data_size[0xa];
+
+	u8 reformat_param_1[0x8];
+	u8 reserved_at_40[0x8];
+	u8 reformat_data[6][0x8];
+
+	u8 more_reformat_data[][0x8];
+};
+
+struct mlx5_ifc_alloc_packet_reformat_context_in_bits {
+	u8 opcode[0x10];
+	u8 uid[0x10];
+
+	u8 reserved_at_20[0x10];
+	u8 op_mod[0x10];
+
+	u8 reserved_at_40[0xa0];
+
+	u8 packet_reformat_context[];
+};
+
+struct mlx5_ifc_alloc_packet_reformat_out_bits {
+	u8 status[0x8];
+	u8 reserved_at_8[0x18];
+
+	u8 syndrome[0x20];
+
+	u8 packet_reformat_id[0x20];
+
+	u8 reserved_at_60[0x20];
+};
+
 /* CQE format mask. */
 #define MLX5E_CQE_FORMAT_MASK 0xc
 
diff --git a/drivers/net/mlx5/hws/mlx5dr_cmd.c b/drivers/net/mlx5/hws/mlx5dr_cmd.c
index 594c59aee3..0ccbaee961 100644
--- a/drivers/net/mlx5/hws/mlx5dr_cmd.c
+++ b/drivers/net/mlx5/hws/mlx5dr_cmd.c
@@ -780,6 +780,66 @@ mlx5dr_cmd_sq_create(struct ibv_context *ctx,
 	return devx_obj;
 }
 
+struct mlx5dr_devx_obj *
+mlx5dr_cmd_packet_reformat_create(struct ibv_context *ctx,
+				  struct mlx5dr_cmd_packet_reformat_create_attr *attr)
+{
+	uint32_t out[MLX5_ST_SZ_DW(alloc_packet_reformat_out)] = {0};
+	size_t insz, cmd_data_sz, cmd_total_sz;
+	struct mlx5dr_devx_obj *devx_obj;
+	void *prctx;
+	void *pdata;
+	void *in;
+
+	cmd_total_sz = MLX5_ST_SZ_BYTES(alloc_packet_reformat_context_in);
+	cmd_total_sz += MLX5_ST_SZ_BYTES(packet_reformat_context_in);
+	cmd_data_sz = MLX5_FLD_SZ_BYTES(packet_reformat_context_in, reformat_data);
+	insz = align(cmd_total_sz + attr->data_sz - cmd_data_sz, DW_SIZE);
+	in = simple_calloc(1, insz);
+	if (!in) {
+		rte_errno = ENOMEM;
+		return NULL;
+	}
+
+	MLX5_SET(alloc_packet_reformat_context_in, in, opcode,
+		 MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT);
+
+	prctx = MLX5_ADDR_OF(alloc_packet_reformat_context_in, in,
+			     packet_reformat_context);
+	pdata = MLX5_ADDR_OF(packet_reformat_context_in, prctx, reformat_data);
+
+	MLX5_SET(packet_reformat_context_in, prctx, reformat_type, attr->type);
+	MLX5_SET(packet_reformat_context_in, prctx, reformat_param_0, attr->reformat_param_0);
+	MLX5_SET(packet_reformat_context_in, prctx, reformat_data_size, attr->data_sz);
+	memcpy(pdata, attr->data, attr->data_sz);
+
+	devx_obj = simple_malloc(sizeof(*devx_obj));
+	if (!devx_obj) {
+		DR_LOG(ERR, "Failed to allocate memory for packet reformat object");
+		rte_errno = ENOMEM;
+		goto out_free_in;
+	}
+
+	devx_obj->obj = mlx5_glue->devx_obj_create(ctx, in, insz, out, sizeof(out));
+	if (!devx_obj->obj) {
+		DR_LOG(ERR, "Failed to create packet reformat");
+		rte_errno = errno;
+		goto out_free_devx;
+	}
+
+	devx_obj->id = MLX5_GET(alloc_packet_reformat_out, out, packet_reformat_id);
+
+	simple_free(in);
+
+	return devx_obj;
+
+out_free_devx:
+	simple_free(devx_obj);
+out_free_in:
+	simple_free(in);
+	return NULL;
+}
+
 int mlx5dr_cmd_sq_modify_rdy(struct mlx5dr_devx_obj *devx_obj)
 {
 	uint32_t out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};
diff --git a/drivers/net/mlx5/hws/mlx5dr_cmd.h b/drivers/net/mlx5/hws/mlx5dr_cmd.h
index 8a495db9b3..f45b6c6b07 100644
--- a/drivers/net/mlx5/hws/mlx5dr_cmd.h
+++ b/drivers/net/mlx5/hws/mlx5dr_cmd.h
@@ -155,6 +155,13 @@ struct mlx5dr_cmd_allow_other_vhca_access_attr {
 	uint8_t access_key[ACCESS_KEY_LEN];
 };
 
+struct mlx5dr_cmd_packet_reformat_create_attr {
+	uint8_t type;
+	size_t data_sz;
+	void *data;
+	uint8_t reformat_param_0;
+};
+
 struct mlx5dr_cmd_query_ft_caps {
 	uint8_t max_level;
 	uint8_t reparse;
@@ -285,6 +292,10 @@ mlx5dr_cmd_forward_tbl_create(struct ibv_context *ctx,
 
 void mlx5dr_cmd_forward_tbl_destroy(struct mlx5dr_cmd_forward_tbl *tbl);
 
+struct mlx5dr_devx_obj *
+mlx5dr_cmd_packet_reformat_create(struct ibv_context *ctx,
+				  struct mlx5dr_cmd_packet_reformat_create_attr *attr);
+
 struct mlx5dr_devx_obj *
 mlx5dr_cmd_alias_obj_create(struct ibv_context *ctx,
 			    struct mlx5dr_cmd_alias_obj_create_attr *alias_attr);
diff --git a/drivers/net/mlx5/hws/mlx5dr_internal.h b/drivers/net/mlx5/hws/mlx5dr_internal.h
index c3c077667d..3770d28e62 100644
--- a/drivers/net/mlx5/hws/mlx5dr_internal.h
+++ b/drivers/net/mlx5/hws/mlx5dr_internal.h
@@ -91,4 +91,9 @@ static inline uint64_t roundup_pow_of_two(uint64_t n)
 	return n == 1 ? 1 : 1ULL << log2above(n);
 }
 
+static inline unsigned long align(unsigned long val, unsigned long align)
+{
+	return (val + align - 1) & ~(align - 1);
+}
+
 #endif /* MLX5DR_INTERNAL_H_ */
diff --git a/drivers/net/mlx5/hws/mlx5dr_send.c b/drivers/net/mlx5/hws/mlx5dr_send.c
index e58fdeb117..622d574bfa 100644
--- a/drivers/net/mlx5/hws/mlx5dr_send.c
+++ b/drivers/net/mlx5/hws/mlx5dr_send.c
@@ -668,11 +668,6 @@ static int mlx5dr_send_ring_create_sq_obj(struct mlx5dr_context *ctx,
 	return err;
 }
 
-static inline unsigned long align(unsigned long val, unsigned long align)
-{
-	return (val + align - 1) & ~(align - 1);
-}
-
 static int mlx5dr_send_ring_open_sq(struct mlx5dr_context *ctx,
 				    struct mlx5dr_send_engine *queue,
 				    struct mlx5dr_send_ring_sq *sq,
-- 
2.39.2