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/*
* 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>
#include <linux/mlx4/driver.h>
enum {
MLX4_FLAG_MSI_X = 1 << 0,
MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
};
enum {
MLX4_MAX_PORTS = 2
};
enum {
MLX4_BOARD_ID_LEN = 64
};
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_XRC = 1 << 3,
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_DPDP = 1 << 12,
MLX4_DEV_CAP_FLAG_RAW_ETY = 1 << 13,
MLX4_DEV_CAP_FLAG_BLH = 1 << 15,
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,
MLX4_DEV_CAP_FLAG_IBOE = 1 << 30,
MLX4_DEV_CAP_FLAG_FC_T11 = 1 << 31
};
enum {
MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
};
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_BIG_LSO = 0x2e,
MLX4_OPCODE_RDMA_READ = 0x10,
MLX4_OPCODE_ATOMIC_CS = 0x11,
MLX4_OPCODE_ATOMIC_FA = 0x12,
MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14,
MLX4_OPCODE_MASKED_ATOMIC_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
};
enum {
MLX4_MTT_FLAG_PRESENT = 1
};
enum mlx4_qp_region {
MLX4_QP_REGION_FW = 0,
MLX4_QP_REGION_ETH_ADDR,
MLX4_QP_REGION_FC_ADDR,
MLX4_NUM_QP_REGION
};
enum mlx4_port_type {
MLX4_PORT_TYPE_NONE = 0,
MLX4_PORT_TYPE_IB = 1,
MLX4_PORT_TYPE_ETH = 2,
MLX4_PORT_TYPE_AUTO = 3
};
enum mlx4_special_vlan_idx {
MLX4_NO_VLAN_IDX = 0,
MLX4_VLAN_MISS_IDX,
MLX4_VLAN_REGULAR
};
#define MLX4_LEAST_ATTACHED_VECTOR 0xffffffff
enum {
MLX4_CUNTERS_DISABLED,
MLX4_CUNTERS_BASIC,
MLX4_CUNTERS_EXT
};
enum {
MAX_FAST_REG_PAGES = 511,
};
static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
{
return (major << 32) | (minor << 16) | subminor;
}
struct mlx4_caps {
u64 fw_ver;
int num_ports;
int vl_cap[MLX4_MAX_PORTS + 1];
int ib_mtu_cap[MLX4_MAX_PORTS + 1];
__be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
u64 def_mac[MLX4_MAX_PORTS + 1];
int eth_mtu_cap[MLX4_MAX_PORTS + 1];
int gid_table_len[MLX4_MAX_PORTS + 1];
int pkey_table_len[MLX4_MAX_PORTS + 1];
int trans_type[MLX4_MAX_PORTS + 1];
int vendor_oui[MLX4_MAX_PORTS + 1];
int wavelength[MLX4_MAX_PORTS + 1];
u64 trans_code[MLX4_MAX_PORTS + 1];
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 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_comp_vectors;
int num_mpts;
int num_mtt_segs;
int mtts_per_seg;
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;
int reserved_xrcds;
int max_xrcds;
u32 max_msg_sz;
u32 page_size_cap;
u64 flags;
u32 bmme_flags;
u32 reserved_lkey;
u16 stat_rate_support;
int udp_rss;
int loopback_support;
int wol;
u8 port_width_cap[MLX4_MAX_PORTS + 1];
int max_gso_sz;
int reserved_qps_cnt[MLX4_NUM_QP_REGION];
int reserved_qps;
int reserved_qps_base[MLX4_NUM_QP_REGION];
int log_num_macs;
int log_num_vlans;
int log_num_prios;
enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
u8 supported_type[MLX4_MAX_PORTS + 1];
enum mlx4_port_type port_mask[MLX4_MAX_PORTS + 1];
enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
u8 counters_mode;
u32 max_basic_counters;
u32 max_ext_counters;
u32 mc_promisc_mode;
};
struct mlx4_buf_list {
void *buf;
dma_addr_t map;
};
struct mlx4_buf {
struct mlx4_buf_list direct;
struct mlx4_buf_list *page_list;
int nbufs;
int npages;
int page_shift;
};
struct mlx4_mtt {
u32 first_seg;
int order;
int page_shift;
};
enum {
MLX4_DB_PER_PAGE = PAGE_SIZE / 4
};
struct mlx4_db_pgdir {
struct list_head list;
DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
unsigned long *bits[2];
__be32 *db_page;
dma_addr_t db_dma;
};
struct mlx4_ib_user_db_page;
struct mlx4_db {
__be32 *db;
union {
struct mlx4_db_pgdir *pgdir;
struct mlx4_ib_user_db_page *user_page;
} u;
dma_addr_t dma;
int index;
int order;
};
struct mlx4_hwq_resources {
struct mlx4_db db;
struct mlx4_mtt mtt;
struct mlx4_buf buf;
};
struct mlx4_mr {
struct mlx4_mtt mtt;
u64 iova;
u64 size;
u32 key;
u32 pd;
u32 access;
int enabled;
};
struct mlx4_fmr {
struct mlx4_mr mr;
struct mlx4_mpt_entry *mpt;
__be64 *mtts;
dma_addr_t dma_handle;
int max_pages;
int max_maps;
int maps;
u8 page_shift;
};
struct mlx4_uar {
unsigned long pfn;
int index;
struct list_head bf_list;
unsigned free_bf_bmap;
void __iomem *map;
void __iomem *bf_map;
};
struct mlx4_bf {
unsigned long offset;
int buf_size;
struct mlx4_uar *uar;
void __iomem *reg;
};
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;
unsigned vector;
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_eth_av {
__be32 port_pd;
u8 reserved1;
u8 smac_idx;
u16 reserved2;
u8 reserved3;
u8 gid_index;
u8 stat_rate;
u8 hop_limit;
__be32 sl_tclass_flowlabel;
u8 dgid[16];
u32 reserved4[2];
__be16 vlan;
u8 mac[6];
};
union mlx4_ext_av {
struct mlx4_av ib;
struct mlx4_eth_av eth;
};
struct mlx4_counters {
__be32 counter_mode;
__be32 num_ifc;
u32 reserved[2];
__be64 rx_frames;
__be64 rx_bytes;
__be64 tx_frames;
__be64 tx_bytes;
};
struct mlx4_counters_ext {
__be32 counter_mode;
__be32 num_ifc;
u32 reserved[2];
__be64 rx_uni_frames;
__be64 rx_uni_bytes;
__be64 rx_mcast_frames;
__be64 rx_mcast_bytes;
__be64 rx_bcast_frames;
__be64 rx_bcast_bytes;
__be64 rx_nobuf_frames;
__be64 rx_nobuf_bytes;
__be64 rx_err_frames;
__be64 rx_err_bytes;
__be64 tx_uni_frames;
__be64 tx_uni_bytes;
__be64 tx_mcast_frames;
__be64 tx_mcast_bytes;
__be64 tx_bcast_frames;
__be64 tx_bcast_bytes;
__be64 tx_nobuf_frames;
__be64 tx_nobuf_bytes;
__be64 tx_err_frames;
__be64 tx_err_bytes;
};
struct mlx4_dev {
struct pci_dev *pdev;
unsigned long flags;
struct mlx4_caps caps;
struct radix_tree_root qp_table_tree;
struct radix_tree_root srq_table_tree;
u32 rev_id;
char board_id[MLX4_BOARD_ID_LEN];
};
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;
};
static inline void mlx4_query_steer_cap(struct mlx4_dev *dev, int *log_mac,
int *log_vlan, int *log_prio)
{
*log_mac = dev->caps.log_num_macs;
*log_vlan = dev->caps.log_num_vlans;
*log_prio = dev->caps.log_num_prios;
}
#define mlx4_foreach_port(port, dev, type) \
for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
if ((type) == (dev)->caps.port_mask[(port)])
#define mlx4_foreach_ib_transport_port(port, dev) \
for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
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);
static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
if (buf->direct.buf != NULL)
return buf->direct.buf + offset;
else
return buf->page_list[offset >> PAGE_SHIFT].buf +
(offset & (PAGE_SIZE - 1));
}
int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
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_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf);
void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
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_wol_read(struct mlx4_dev *dev, u64 *config, int port);
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
int mlx4_mr_reserve_range(struct mlx4_dev *dev, int cnt, int align, u32 *base_mridx);
void mlx4_mr_release_range(struct mlx4_dev *dev, u32 base_mridx, int cnt);
int mlx4_mr_alloc_reserved(struct mlx4_dev *dev, u32 mridx, u32 pd,
u64 iova, u64 size, u32 access, int npages,
int page_shift, struct mlx4_mr *mr);
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_reserved(struct mlx4_dev *dev, 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_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
int size, int max_direct);
void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
int size);
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,
unsigned vector, int collapsed);
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, 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, u32 cqn, u16 xrcd,
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_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
int mlx4_INIT_PORT(struct mlx4_dev *dev, 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 block_mcast_loopback, enum mlx4_mcast_prot prot);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
enum mlx4_mcast_prot prot);
int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index);
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);
int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);
int mlx4_map_phys_fmr_fbo(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
u64 *page_list, int npages, u64 iova, u32 fbo,
u32 len, u32 *lkey, u32 *rkey, int same_key);
int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
int npages, u64 iova, u32 *lkey, u32 *rkey);
int mlx4_fmr_alloc_reserved(struct mlx4_dev *dev, u32 mridx, u32 pd,
u32 access, int max_pages, int max_maps,
u8 page_shift, struct mlx4_fmr *fmr);
int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
u32 *lkey, u32 *rkey);
int mlx4_fmr_free_reserved(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_SYNC_TPT(struct mlx4_dev *dev);
int mlx4_query_diag_counters(struct mlx4_dev *mlx4_dev, int array_length,
u8 op_modifier, u32 in_offset[], u32 counter_out[]);
int mlx4_test_interrupts(struct mlx4_dev *dev);
void mlx4_get_fc_t11_settings(struct mlx4_dev *dev, int *enable_pre_t11, int *t11_supported);
int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
#endif /* MLX4_DEVICE_H */