Files
tinygrad/extra/mlx_driver/mlx5.h
nimlgen 9583489068 add mlx driver to extra (#15526)
* mlx driver

* x

* simpler
2026-03-30 20:28:49 +03:00

145 lines
5.5 KiB
C

// MLX5 autogen header — kernel struct layouts and constants
typedef unsigned char __u8;
typedef unsigned short __be16;
typedef unsigned int __be32;
typedef unsigned long long __be64;
// --- device.h structs ---
struct mlx5_cmd_layout {
__u8 type;
__u8 rsvd0[3];
__be32 inlen;
__be64 in_ptr;
__be32 in[4];
__be32 out[4];
__be64 out_ptr;
__be32 outlen;
__u8 token;
__u8 sig;
__u8 rsvd1;
__u8 status_own;
};
struct mlx5_cmd_prot_block {
__u8 data[512];
__u8 rsvd0[48];
__be64 next;
__be32 block_num;
__u8 rsvd1;
__u8 token;
__u8 ctrl_sig;
__u8 sig;
};
struct mlx5_init_seg {
__be32 fw_rev;
__be32 cmdif_rev_fw_sub;
__be32 rsvd0[2];
__be32 cmdq_addr_h;
__be32 cmdq_addr_l_sz;
__be32 cmd_dbell;
__be32 rsvd1[120];
__be32 initializing;
};
// --- Command opcodes (mlx5_ifc.h) ---
#define MLX5_CMD_OP_QUERY_HCA_CAP 0x100
#define MLX5_CMD_OP_QUERY_ADAPTER 0x101
#define MLX5_CMD_OP_INIT_HCA 0x102
#define MLX5_CMD_OP_TEARDOWN_HCA 0x103
#define MLX5_CMD_OP_ENABLE_HCA 0x104
#define MLX5_CMD_OP_DISABLE_HCA 0x105
#define MLX5_CMD_OP_QUERY_PAGES 0x107
#define MLX5_CMD_OP_MANAGE_PAGES 0x108
#define MLX5_CMD_OP_SET_HCA_CAP 0x109
#define MLX5_CMD_OP_QUERY_ISSI 0x10a
#define MLX5_CMD_OP_SET_ISSI 0x10b
#define MLX5_CMD_OP_SET_DRIVER_VERSION 0x10d
#define MLX5_CMD_OP_CREATE_MKEY 0x200
#define MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS 0x203
#define MLX5_CMD_OP_CREATE_EQ 0x301
#define MLX5_CMD_OP_DESTROY_EQ 0x302
#define MLX5_CMD_OP_CREATE_CQ 0x400
#define MLX5_CMD_OP_DESTROY_CQ 0x401
#define MLX5_CMD_OP_CREATE_QP 0x500
#define MLX5_CMD_OP_DESTROY_QP 0x501
#define MLX5_CMD_OP_RST2INIT_QP 0x502
#define MLX5_CMD_OP_INIT2RTR_QP 0x503
#define MLX5_CMD_OP_RTR2RTS_QP 0x504
#define MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT 0x754
#define MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT 0x755
#define MLX5_CMD_OP_SET_ROCE_ADDRESS 0x761
#define MLX5_CMD_OP_ALLOC_PD 0x800
#define MLX5_CMD_OP_ALLOC_UAR 0x802
#define MLX5_CMD_OP_ACCESS_REG 0x805
#define MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN 0x816
// --- Command status (device.h) ---
#define MLX5_CMD_STAT_OK 0x0
#define MLX5_CMD_STAT_INT_ERR 0x1
#define MLX5_CMD_STAT_BAD_OP_ERR 0x2
#define MLX5_CMD_STAT_BAD_PARAM_ERR 0x3
#define MLX5_CMD_STAT_BAD_SYS_STATE_ERR 0x4
#define MLX5_CMD_STAT_BAD_RES_ERR 0x5
#define MLX5_CMD_STAT_RES_BUSY 0x6
#define MLX5_CMD_STAT_LIM_ERR 0x8
#define MLX5_CMD_STAT_BAD_RES_STATE_ERR 0x9
#define MLX5_CMD_STAT_NO_RES_ERR 0xf
#define MLX5_CMD_STAT_BAD_INP_LEN_ERR 0x50
#define MLX5_CMD_STAT_BAD_OUTP_LEN_ERR 0x51
// --- HCA cap types ---
#define MLX5_CAP_GENERAL 0x0
#define MLX5_CAP_ODP 0x2
#define MLX5_CAP_ATOMIC 0x3
#define MLX5_CAP_ROCE 0x4
#define HCA_CAP_OPMOD_GET_MAX 0
#define HCA_CAP_OPMOD_GET_CUR 1
// --- Pages ---
#define MLX5_PAGES_GIVE 1
#define MLX5_PAGES_TAKE 2
#define MLX5_BOOT_PAGES 1
#define MLX5_INIT_PAGES 2
// --- Registers ---
#define MLX5_REG_HOST_ENDIANNESS 0x7004
#define MLX5_REG_DTOR 0xC00E
// --- Misc ---
#define MLX5_PCI_CMD_XPORT 0x07
#define MLX5_CMD_DATA_BLOCK_SIZE 512
#define CMD_OWNER_HW 0x01
// --- IFC cmd_hca_cap bit offsets ---
#define CAP_GEN_ABS_NATIVE_PORT_NUM 0x007
#define CAP_GEN_HCA_CAP_2 0x020
#define CAP_GEN_EVENT_ON_VHCA_STATE_ALLOCATED 0x023
#define CAP_GEN_EVENT_ON_VHCA_STATE_ACTIVE 0x024
#define CAP_GEN_EVENT_ON_VHCA_STATE_IN_USE 0x025
#define CAP_GEN_EVENT_ON_VHCA_STATE_TEARDOWN_REQUEST 0x026
#define CAP_GEN_LOG_MAX_QP 0x09B
#define CAP_GEN_LOG_MAX_CQ 0x0DB
#define CAP_GEN_RELEASE_ALL_PAGES 0x145
#define CAP_GEN_CACHE_LINE_128BYTE 0x164
#define CAP_GEN_NUM_PORTS 0x1B8
#define CAP_GEN_PKEY_TABLE_SIZE 0x190
#define CAP_GEN_PCI_SYNC_FOR_FW_UPDATE_EVENT 0x1F1
#define CAP_GEN_CMDIF_CHECKSUM 0x210
#define CAP_GEN_DCT 0x21A
#define CAP_GEN_ROCE 0x21D
#define CAP_GEN_ATOMIC 0x21E
#define CAP_GEN_ODP 0x227
#define CAP_GEN_MKEY_BY_NAME 0x266
#define CAP_GEN_LOG_MAX_PD 0x32B
#define CAP_GEN_PCIE_RESET_USING_HOTRESET 0x335
#define CAP_GEN_PCI_SYNC_FOR_FW_UPDATE_WITH_DRIVER_UNLOAD 0x336
#define CAP_GEN_VHCA_STATE 0x3EA
#define CAP_GEN_ROCE_RW_SUPPORTED 0x3A1
#define CAP_GEN_LOG_MAX_CURRENT_UC_LIST 0x3FB
#define CAP_GEN_LOG_UAR_PAGE_SZ 0x490
#define CAP_GEN_NUM_VHCA_PORTS 0x610
#define CAP_GEN_SW_OWNER_ID 0x61E
#define CAP_GEN_NUM_TOTAL_DYNAMIC_VF_MSIX 0x708