mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 11:36:41 +07:00
332 lines
8.3 KiB
C
332 lines
8.3 KiB
C
|
/*
|
||
|
* Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
|
||
|
*
|
||
|
* This software is available to you under a choice of one of two
|
||
|
* licenses. You may choose to be licensed under the terms of the GNU
|
||
|
* General Public License (GPL) Version 2, available from the file
|
||
|
* COPYING in the main directory of this source tree, or the
|
||
|
* OpenIB.org BSD license below:
|
||
|
*
|
||
|
* Redistribution and use in source and binary forms, with or
|
||
|
* without modification, are permitted provided that the following
|
||
|
* conditions are met:
|
||
|
*
|
||
|
* - Redistributions of source code must retain the above
|
||
|
* copyright notice, this list of conditions and the following
|
||
|
* disclaimer.
|
||
|
*
|
||
|
* - Redistributions in binary form must reproduce the above
|
||
|
* copyright notice, this list of conditions and the following
|
||
|
* disclaimer in the documentation and/or other materials
|
||
|
* provided with the distribution.
|
||
|
*
|
||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
* SOFTWARE.
|
||
|
*/
|
||
|
|
||
|
#ifndef MLX4_DEVICE_H
|
||
|
#define MLX4_DEVICE_H
|
||
|
|
||
|
#include <linux/pci.h>
|
||
|
#include <linux/completion.h>
|
||
|
#include <linux/radix-tree.h>
|
||
|
|
||
|
#include <asm/atomic.h>
|
||
|
|
||
|
enum {
|
||
|
MLX4_FLAG_MSI_X = 1 << 0,
|
||
|
};
|
||
|
|
||
|
enum {
|
||
|
MLX4_MAX_PORTS = 2
|
||
|
};
|
||
|
|
||
|
enum {
|
||
|
MLX4_DEV_CAP_FLAG_RC = 1 << 0,
|
||
|
MLX4_DEV_CAP_FLAG_UC = 1 << 1,
|
||
|
MLX4_DEV_CAP_FLAG_UD = 1 << 2,
|
||
|
MLX4_DEV_CAP_FLAG_SRQ = 1 << 6,
|
||
|
MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1 << 7,
|
||
|
MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 << 8,
|
||
|
MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 << 9,
|
||
|
MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16,
|
||
|
MLX4_DEV_CAP_FLAG_APM = 1 << 17,
|
||
|
MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18,
|
||
|
MLX4_DEV_CAP_FLAG_RAW_MCAST = 1 << 19,
|
||
|
MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1 << 20,
|
||
|
MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21
|
||
|
};
|
||
|
|
||
|
enum mlx4_event {
|
||
|
MLX4_EVENT_TYPE_COMP = 0x00,
|
||
|
MLX4_EVENT_TYPE_PATH_MIG = 0x01,
|
||
|
MLX4_EVENT_TYPE_COMM_EST = 0x02,
|
||
|
MLX4_EVENT_TYPE_SQ_DRAINED = 0x03,
|
||
|
MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13,
|
||
|
MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14,
|
||
|
MLX4_EVENT_TYPE_CQ_ERROR = 0x04,
|
||
|
MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
|
||
|
MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06,
|
||
|
MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07,
|
||
|
MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
|
||
|
MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11,
|
||
|
MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12,
|
||
|
MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08,
|
||
|
MLX4_EVENT_TYPE_PORT_CHANGE = 0x09,
|
||
|
MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f,
|
||
|
MLX4_EVENT_TYPE_ECC_DETECT = 0x0e,
|
||
|
MLX4_EVENT_TYPE_CMD = 0x0a
|
||
|
};
|
||
|
|
||
|
enum {
|
||
|
MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
|
||
|
MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
|
||
|
};
|
||
|
|
||
|
enum {
|
||
|
MLX4_PERM_LOCAL_READ = 1 << 10,
|
||
|
MLX4_PERM_LOCAL_WRITE = 1 << 11,
|
||
|
MLX4_PERM_REMOTE_READ = 1 << 12,
|
||
|
MLX4_PERM_REMOTE_WRITE = 1 << 13,
|
||
|
MLX4_PERM_ATOMIC = 1 << 14
|
||
|
};
|
||
|
|
||
|
enum {
|
||
|
MLX4_OPCODE_NOP = 0x00,
|
||
|
MLX4_OPCODE_SEND_INVAL = 0x01,
|
||
|
MLX4_OPCODE_RDMA_WRITE = 0x08,
|
||
|
MLX4_OPCODE_RDMA_WRITE_IMM = 0x09,
|
||
|
MLX4_OPCODE_SEND = 0x0a,
|
||
|
MLX4_OPCODE_SEND_IMM = 0x0b,
|
||
|
MLX4_OPCODE_LSO = 0x0e,
|
||
|
MLX4_OPCODE_RDMA_READ = 0x10,
|
||
|
MLX4_OPCODE_ATOMIC_CS = 0x11,
|
||
|
MLX4_OPCODE_ATOMIC_FA = 0x12,
|
||
|
MLX4_OPCODE_ATOMIC_MASK_CS = 0x14,
|
||
|
MLX4_OPCODE_ATOMIC_MASK_FA = 0x15,
|
||
|
MLX4_OPCODE_BIND_MW = 0x18,
|
||
|
MLX4_OPCODE_FMR = 0x19,
|
||
|
MLX4_OPCODE_LOCAL_INVAL = 0x1b,
|
||
|
MLX4_OPCODE_CONFIG_CMD = 0x1f,
|
||
|
|
||
|
MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
|
||
|
MLX4_RECV_OPCODE_SEND = 0x01,
|
||
|
MLX4_RECV_OPCODE_SEND_IMM = 0x02,
|
||
|
MLX4_RECV_OPCODE_SEND_INVAL = 0x03,
|
||
|
|
||
|
MLX4_CQE_OPCODE_ERROR = 0x1e,
|
||
|
MLX4_CQE_OPCODE_RESIZE = 0x16,
|
||
|
};
|
||
|
|
||
|
enum {
|
||
|
MLX4_STAT_RATE_OFFSET = 5
|
||
|
};
|
||
|
|
||
|
struct mlx4_caps {
|
||
|
u64 fw_ver;
|
||
|
int num_ports;
|
||
|
int vl_cap;
|
||
|
int mtu_cap;
|
||
|
int gid_table_len;
|
||
|
int pkey_table_len;
|
||
|
int local_ca_ack_delay;
|
||
|
int num_uars;
|
||
|
int bf_reg_size;
|
||
|
int bf_regs_per_page;
|
||
|
int max_sq_sg;
|
||
|
int max_rq_sg;
|
||
|
int num_qps;
|
||
|
int max_wqes;
|
||
|
int max_sq_desc_sz;
|
||
|
int max_rq_desc_sz;
|
||
|
int max_qp_init_rdma;
|
||
|
int max_qp_dest_rdma;
|
||
|
int reserved_qps;
|
||
|
int sqp_start;
|
||
|
int num_srqs;
|
||
|
int max_srq_wqes;
|
||
|
int max_srq_sge;
|
||
|
int reserved_srqs;
|
||
|
int num_cqs;
|
||
|
int max_cqes;
|
||
|
int reserved_cqs;
|
||
|
int num_eqs;
|
||
|
int reserved_eqs;
|
||
|
int num_mpts;
|
||
|
int num_mtt_segs;
|
||
|
int fmr_reserved_mtts;
|
||
|
int reserved_mtts;
|
||
|
int reserved_mrws;
|
||
|
int reserved_uars;
|
||
|
int num_mgms;
|
||
|
int num_amgms;
|
||
|
int reserved_mcgs;
|
||
|
int num_qp_per_mgm;
|
||
|
int num_pds;
|
||
|
int reserved_pds;
|
||
|
int mtt_entry_sz;
|
||
|
u32 page_size_cap;
|
||
|
u32 flags;
|
||
|
u16 stat_rate_support;
|
||
|
u8 port_width_cap;
|
||
|
};
|
||
|
|
||
|
struct mlx4_buf_list {
|
||
|
void *buf;
|
||
|
dma_addr_t map;
|
||
|
};
|
||
|
|
||
|
struct mlx4_buf {
|
||
|
union {
|
||
|
struct mlx4_buf_list direct;
|
||
|
struct mlx4_buf_list *page_list;
|
||
|
} u;
|
||
|
int nbufs;
|
||
|
int npages;
|
||
|
int page_shift;
|
||
|
};
|
||
|
|
||
|
struct mlx4_mtt {
|
||
|
u32 first_seg;
|
||
|
int order;
|
||
|
int page_shift;
|
||
|
};
|
||
|
|
||
|
struct mlx4_mr {
|
||
|
struct mlx4_mtt mtt;
|
||
|
u64 iova;
|
||
|
u64 size;
|
||
|
u32 key;
|
||
|
u32 pd;
|
||
|
u32 access;
|
||
|
int enabled;
|
||
|
};
|
||
|
|
||
|
struct mlx4_uar {
|
||
|
unsigned long pfn;
|
||
|
int index;
|
||
|
};
|
||
|
|
||
|
struct mlx4_cq {
|
||
|
void (*comp) (struct mlx4_cq *);
|
||
|
void (*event) (struct mlx4_cq *, enum mlx4_event);
|
||
|
|
||
|
struct mlx4_uar *uar;
|
||
|
|
||
|
u32 cons_index;
|
||
|
|
||
|
__be32 *set_ci_db;
|
||
|
__be32 *arm_db;
|
||
|
int arm_sn;
|
||
|
|
||
|
int cqn;
|
||
|
|
||
|
atomic_t refcount;
|
||
|
struct completion free;
|
||
|
};
|
||
|
|
||
|
struct mlx4_qp {
|
||
|
void (*event) (struct mlx4_qp *, enum mlx4_event);
|
||
|
|
||
|
int qpn;
|
||
|
|
||
|
atomic_t refcount;
|
||
|
struct completion free;
|
||
|
};
|
||
|
|
||
|
struct mlx4_srq {
|
||
|
void (*event) (struct mlx4_srq *, enum mlx4_event);
|
||
|
|
||
|
int srqn;
|
||
|
int max;
|
||
|
int max_gs;
|
||
|
int wqe_shift;
|
||
|
|
||
|
atomic_t refcount;
|
||
|
struct completion free;
|
||
|
};
|
||
|
|
||
|
struct mlx4_av {
|
||
|
__be32 port_pd;
|
||
|
u8 reserved1;
|
||
|
u8 g_slid;
|
||
|
__be16 dlid;
|
||
|
u8 reserved2;
|
||
|
u8 gid_index;
|
||
|
u8 stat_rate;
|
||
|
u8 hop_limit;
|
||
|
__be32 sl_tclass_flowlabel;
|
||
|
u8 dgid[16];
|
||
|
};
|
||
|
|
||
|
struct mlx4_dev {
|
||
|
struct pci_dev *pdev;
|
||
|
unsigned long flags;
|
||
|
struct mlx4_caps caps;
|
||
|
struct radix_tree_root qp_table_tree;
|
||
|
};
|
||
|
|
||
|
struct mlx4_init_port_param {
|
||
|
int set_guid0;
|
||
|
int set_node_guid;
|
||
|
int set_si_guid;
|
||
|
u16 mtu;
|
||
|
int port_width_cap;
|
||
|
u16 vl_cap;
|
||
|
u16 max_gid;
|
||
|
u16 max_pkey;
|
||
|
u64 guid0;
|
||
|
u64 node_guid;
|
||
|
u64 si_guid;
|
||
|
};
|
||
|
|
||
|
int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
|
||
|
struct mlx4_buf *buf);
|
||
|
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
|
||
|
|
||
|
int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
|
||
|
void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
|
||
|
|
||
|
int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
|
||
|
void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
|
||
|
|
||
|
int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
|
||
|
struct mlx4_mtt *mtt);
|
||
|
void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
|
||
|
u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
|
||
|
|
||
|
int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
|
||
|
int npages, int page_shift, struct mlx4_mr *mr);
|
||
|
void mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
|
||
|
int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
|
||
|
int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
|
||
|
int start_index, int npages, u64 *page_list);
|
||
|
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
|
||
|
struct mlx4_buf *buf);
|
||
|
|
||
|
int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
|
||
|
struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq);
|
||
|
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
|
||
|
|
||
|
int mlx4_qp_alloc(struct mlx4_dev *dev, int sqpn, struct mlx4_qp *qp);
|
||
|
void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
|
||
|
|
||
|
int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt,
|
||
|
u64 db_rec, struct mlx4_srq *srq);
|
||
|
void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
|
||
|
int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
|
||
|
|
||
|
int mlx4_INIT_PORT(struct mlx4_dev *dev, struct mlx4_init_port_param *param, int port);
|
||
|
int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
|
||
|
|
||
|
int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
|
||
|
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
|
||
|
|
||
|
#endif /* MLX4_DEVICE_H */
|