freebsd-dev/sys/dev/mlx5/driver.h
Konstantin Belousov 91ad1bd953 mlx5: Restore eswitch management code from attic.
Reviewed by:	hselasky
Sponsored by:	Mellanox Technologies
MFC after:	2 weeks
2020-03-18 22:30:56 +00:00

1189 lines
31 KiB
C

/*-
* Copyright (c) 2013-2019, Mellanox Technologies, Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef MLX5_DRIVER_H
#define MLX5_DRIVER_H
#include "opt_ratelimit.h"
#include <linux/kernel.h>
#include <linux/completion.h>
#include <linux/pci.h>
#include <linux/cache.h>
#include <linux/rbtree.h>
#include <linux/if_ether.h>
#include <linux/semaphore.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/radix-tree.h>
#include <linux/idr.h>
#include <dev/mlx5/device.h>
#include <dev/mlx5/doorbell.h>
#include <dev/mlx5/srq.h>
#define MLX5_QCOUNTER_SETS_NETDEV 64
#define MLX5_MAX_NUMBER_OF_VFS 128
enum {
MLX5_BOARD_ID_LEN = 64,
MLX5_MAX_NAME_LEN = 16,
};
enum {
MLX5_CMD_TIMEOUT_MSEC = 60 * 1000,
};
enum {
CMD_OWNER_SW = 0x0,
CMD_OWNER_HW = 0x1,
CMD_STATUS_SUCCESS = 0,
};
enum mlx5_sqp_t {
MLX5_SQP_SMI = 0,
MLX5_SQP_GSI = 1,
MLX5_SQP_IEEE_1588 = 2,
MLX5_SQP_SNIFFER = 3,
MLX5_SQP_SYNC_UMR = 4,
};
enum {
MLX5_MAX_PORTS = 2,
};
enum {
MLX5_EQ_VEC_PAGES = 0,
MLX5_EQ_VEC_CMD = 1,
MLX5_EQ_VEC_ASYNC = 2,
MLX5_EQ_VEC_COMP_BASE,
};
enum {
MLX5_ATOMIC_MODE_OFF = 16,
MLX5_ATOMIC_MODE_NONE = 0 << MLX5_ATOMIC_MODE_OFF,
MLX5_ATOMIC_MODE_IB_COMP = 1 << MLX5_ATOMIC_MODE_OFF,
MLX5_ATOMIC_MODE_CX = 2 << MLX5_ATOMIC_MODE_OFF,
MLX5_ATOMIC_MODE_8B = 3 << MLX5_ATOMIC_MODE_OFF,
MLX5_ATOMIC_MODE_16B = 4 << MLX5_ATOMIC_MODE_OFF,
MLX5_ATOMIC_MODE_32B = 5 << MLX5_ATOMIC_MODE_OFF,
MLX5_ATOMIC_MODE_64B = 6 << MLX5_ATOMIC_MODE_OFF,
MLX5_ATOMIC_MODE_128B = 7 << MLX5_ATOMIC_MODE_OFF,
MLX5_ATOMIC_MODE_256B = 8 << MLX5_ATOMIC_MODE_OFF,
};
enum {
MLX5_ATOMIC_MODE_DCT_OFF = 20,
MLX5_ATOMIC_MODE_DCT_NONE = 0 << MLX5_ATOMIC_MODE_DCT_OFF,
MLX5_ATOMIC_MODE_DCT_IB_COMP = 1 << MLX5_ATOMIC_MODE_DCT_OFF,
MLX5_ATOMIC_MODE_DCT_CX = 2 << MLX5_ATOMIC_MODE_DCT_OFF,
MLX5_ATOMIC_MODE_DCT_8B = 3 << MLX5_ATOMIC_MODE_DCT_OFF,
MLX5_ATOMIC_MODE_DCT_16B = 4 << MLX5_ATOMIC_MODE_DCT_OFF,
MLX5_ATOMIC_MODE_DCT_32B = 5 << MLX5_ATOMIC_MODE_DCT_OFF,
MLX5_ATOMIC_MODE_DCT_64B = 6 << MLX5_ATOMIC_MODE_DCT_OFF,
MLX5_ATOMIC_MODE_DCT_128B = 7 << MLX5_ATOMIC_MODE_DCT_OFF,
MLX5_ATOMIC_MODE_DCT_256B = 8 << MLX5_ATOMIC_MODE_DCT_OFF,
};
enum {
MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
MLX5_ATOMIC_OPS_MASKED_CMP_SWAP = 1 << 2,
MLX5_ATOMIC_OPS_MASKED_FETCH_ADD = 1 << 3,
};
enum {
MLX5_REG_QPTS = 0x4002,
MLX5_REG_QETCR = 0x4005,
MLX5_REG_QPDP = 0x4007,
MLX5_REG_QTCT = 0x400A,
MLX5_REG_QPDPM = 0x4013,
MLX5_REG_QHLL = 0x4016,
MLX5_REG_QCAM = 0x4019,
MLX5_REG_DCBX_PARAM = 0x4020,
MLX5_REG_DCBX_APP = 0x4021,
MLX5_REG_FPGA_CAP = 0x4022,
MLX5_REG_FPGA_CTRL = 0x4023,
MLX5_REG_FPGA_ACCESS_REG = 0x4024,
MLX5_REG_FPGA_SHELL_CNTR = 0x4025,
MLX5_REG_PCAP = 0x5001,
MLX5_REG_PMLP = 0x5002,
MLX5_REG_PMTU = 0x5003,
MLX5_REG_PTYS = 0x5004,
MLX5_REG_PAOS = 0x5006,
MLX5_REG_PFCC = 0x5007,
MLX5_REG_PPCNT = 0x5008,
MLX5_REG_PUDE = 0x5009,
MLX5_REG_PPTB = 0x500B,
MLX5_REG_PBMC = 0x500C,
MLX5_REG_PELC = 0x500E,
MLX5_REG_PVLC = 0x500F,
MLX5_REG_PMPE = 0x5010,
MLX5_REG_PMAOS = 0x5012,
MLX5_REG_PPLM = 0x5023,
MLX5_REG_PBSR = 0x5038,
MLX5_REG_PCAM = 0x507f,
MLX5_REG_NODE_DESC = 0x6001,
MLX5_REG_HOST_ENDIANNESS = 0x7004,
MLX5_REG_MTMP = 0x900a,
MLX5_REG_MCIA = 0x9014,
MLX5_REG_MFRL = 0x9028,
MLX5_REG_MPCNT = 0x9051,
MLX5_REG_MCQI = 0x9061,
MLX5_REG_MCC = 0x9062,
MLX5_REG_MCDA = 0x9063,
MLX5_REG_MCAM = 0x907f,
};
enum dbg_rsc_type {
MLX5_DBG_RSC_QP,
MLX5_DBG_RSC_EQ,
MLX5_DBG_RSC_CQ,
};
enum {
MLX5_INTERFACE_PROTOCOL_IB = 0,
MLX5_INTERFACE_PROTOCOL_ETH = 1,
MLX5_INTERFACE_NUMBER = 2,
};
struct mlx5_field_desc {
struct dentry *dent;
int i;
};
struct mlx5_rsc_debug {
struct mlx5_core_dev *dev;
void *object;
enum dbg_rsc_type type;
struct dentry *root;
struct mlx5_field_desc fields[0];
};
enum mlx5_dev_event {
MLX5_DEV_EVENT_SYS_ERROR,
MLX5_DEV_EVENT_PORT_UP,
MLX5_DEV_EVENT_PORT_DOWN,
MLX5_DEV_EVENT_PORT_INITIALIZED,
MLX5_DEV_EVENT_LID_CHANGE,
MLX5_DEV_EVENT_PKEY_CHANGE,
MLX5_DEV_EVENT_GUID_CHANGE,
MLX5_DEV_EVENT_CLIENT_REREG,
MLX5_DEV_EVENT_VPORT_CHANGE,
MLX5_DEV_EVENT_ERROR_STATE_DCBX,
MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE,
MLX5_DEV_EVENT_LOCAL_OPER_CHANGE,
MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE,
};
enum mlx5_port_status {
MLX5_PORT_UP = 1 << 0,
MLX5_PORT_DOWN = 1 << 1,
};
enum {
MLX5_VSC_SPACE_SUPPORTED = 0x1,
MLX5_VSC_SPACE_OFFSET = 0x4,
MLX5_VSC_COUNTER_OFFSET = 0x8,
MLX5_VSC_SEMA_OFFSET = 0xC,
MLX5_VSC_ADDR_OFFSET = 0x10,
MLX5_VSC_DATA_OFFSET = 0x14,
MLX5_VSC_MAX_RETRIES = 0x1000,
};
#define MLX5_PROT_MASK(link_mode) (1 << link_mode)
struct mlx5_uuar_info {
struct mlx5_uar *uars;
int num_uars;
int num_low_latency_uuars;
unsigned long *bitmap;
unsigned int *count;
struct mlx5_bf *bfs;
/*
* protect uuar allocation data structs
*/
struct mutex lock;
u32 ver;
};
struct mlx5_bf {
void __iomem *reg;
void __iomem *regreg;
int buf_size;
struct mlx5_uar *uar;
unsigned long offset;
int need_lock;
/* protect blue flame buffer selection when needed
*/
spinlock_t lock;
/* serialize 64 bit writes when done as two 32 bit accesses
*/
spinlock_t lock32;
int uuarn;
};
struct mlx5_cmd_first {
__be32 data[4];
};
struct cache_ent;
struct mlx5_fw_page {
union {
struct rb_node rb_node;
struct list_head list;
};
struct mlx5_cmd_first first;
struct mlx5_core_dev *dev;
bus_dmamap_t dma_map;
bus_addr_t dma_addr;
void *virt_addr;
struct cache_ent *cache;
u32 numpages;
u16 load_done;
#define MLX5_LOAD_ST_NONE 0
#define MLX5_LOAD_ST_SUCCESS 1
#define MLX5_LOAD_ST_FAILURE 2
u16 func_id;
};
#define mlx5_cmd_msg mlx5_fw_page
struct mlx5_cmd_debug {
struct dentry *dbg_root;
struct dentry *dbg_in;
struct dentry *dbg_out;
struct dentry *dbg_outlen;
struct dentry *dbg_status;
struct dentry *dbg_run;
void *in_msg;
void *out_msg;
u8 status;
u16 inlen;
u16 outlen;
};
struct cache_ent {
/* protect block chain allocations
*/
spinlock_t lock;
struct list_head head;
};
struct cmd_msg_cache {
struct cache_ent large;
struct cache_ent med;
};
struct mlx5_traffic_counter {
u64 packets;
u64 octets;
};
enum mlx5_cmd_mode {
MLX5_CMD_MODE_POLLING,
MLX5_CMD_MODE_EVENTS
};
struct mlx5_cmd_stats {
u64 sum;
u64 n;
struct dentry *root;
struct dentry *avg;
struct dentry *count;
/* protect command average calculations */
spinlock_t lock;
};
struct mlx5_cmd {
struct mlx5_fw_page *cmd_page;
bus_dma_tag_t dma_tag;
struct sx dma_sx;
struct mtx dma_mtx;
#define MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx)
#define MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx)
#define MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx)
struct cv dma_cv;
#define MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv)
#define MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx)
void *cmd_buf;
dma_addr_t dma;
u16 cmdif_rev;
u8 log_sz;
u8 log_stride;
int max_reg_cmds;
int events;
u32 __iomem *vector;
/* protect command queue allocations
*/
spinlock_t alloc_lock;
/* protect token allocations
*/
spinlock_t token_lock;
u8 token;
unsigned long bitmask;
struct semaphore sem;
struct semaphore pages_sem;
enum mlx5_cmd_mode mode;
struct mlx5_cmd_work_ent * volatile ent_arr[MLX5_MAX_COMMANDS];
volatile enum mlx5_cmd_mode ent_mode[MLX5_MAX_COMMANDS];
struct mlx5_cmd_debug dbg;
struct cmd_msg_cache cache;
int checksum_disabled;
struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
};
struct mlx5_port_caps {
int gid_table_len;
int pkey_table_len;
u8 ext_port_cap;
};
struct mlx5_buf {
bus_dma_tag_t dma_tag;
bus_dmamap_t dma_map;
struct mlx5_core_dev *dev;
struct {
void *buf;
} direct;
u64 *page_list;
int npages;
int size;
u8 page_shift;
u8 load_done;
};
struct mlx5_frag_buf {
struct mlx5_buf_list *frags;
int npages;
int size;
u8 page_shift;
};
struct mlx5_eq {
struct mlx5_core_dev *dev;
__be32 __iomem *doorbell;
u32 cons_index;
struct mlx5_buf buf;
int size;
u8 irqn;
u8 eqn;
int nent;
u64 mask;
struct list_head list;
int index;
struct mlx5_rsc_debug *dbg;
};
struct mlx5_core_psv {
u32 psv_idx;
struct psv_layout {
u32 pd;
u16 syndrome;
u16 reserved;
u16 bg;
u16 app_tag;
u32 ref_tag;
} psv;
};
struct mlx5_core_sig_ctx {
struct mlx5_core_psv psv_memory;
struct mlx5_core_psv psv_wire;
#if (__FreeBSD_version >= 1100000)
struct ib_sig_err err_item;
#endif
bool sig_status_checked;
bool sig_err_exists;
u32 sigerr_count;
};
enum {
MLX5_MKEY_MR = 1,
MLX5_MKEY_MW,
MLX5_MKEY_MR_USER,
};
struct mlx5_core_mkey {
u64 iova;
u64 size;
u32 key;
u32 pd;
u32 type;
};
struct mlx5_core_mr {
u64 iova;
u64 size;
u32 key;
u32 pd;
};
enum mlx5_res_type {
MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
MLX5_RES_SRQ = 3,
MLX5_RES_XSRQ = 4,
MLX5_RES_DCT = 5,
};
struct mlx5_core_rsc_common {
enum mlx5_res_type res;
atomic_t refcount;
struct completion free;
};
struct mlx5_core_srq {
struct mlx5_core_rsc_common common; /* must be first */
u32 srqn;
int max;
size_t max_gs;
size_t max_avail_gather;
int wqe_shift;
void (*event)(struct mlx5_core_srq *, int);
atomic_t refcount;
struct completion free;
};
struct mlx5_eq_table {
void __iomem *update_ci;
void __iomem *update_arm_ci;
struct list_head comp_eqs_list;
struct mlx5_eq pages_eq;
struct mlx5_eq async_eq;
struct mlx5_eq cmd_eq;
int num_comp_vectors;
/* protect EQs list
*/
spinlock_t lock;
};
struct mlx5_uar {
u32 index;
void __iomem *bf_map;
void __iomem *map;
};
struct mlx5_core_health {
struct mlx5_health_buffer __iomem *health;
__be32 __iomem *health_counter;
struct timer_list timer;
u32 prev;
int miss_counter;
u32 fatal_error;
struct workqueue_struct *wq_watchdog;
struct work_struct work_watchdog;
/* wq spinlock to synchronize draining */
spinlock_t wq_lock;
struct workqueue_struct *wq;
unsigned long flags;
struct work_struct work;
struct delayed_work recover_work;
unsigned int last_reset_req;
struct work_struct work_cmd_completion;
struct workqueue_struct *wq_cmd;
};
#define MLX5_CQ_LINEAR_ARRAY_SIZE 1024
struct mlx5_cq_linear_array_entry {
struct mlx5_core_cq * volatile cq;
};
struct mlx5_cq_table {
/* protect radix tree
*/
spinlock_t writerlock;
atomic_t writercount;
struct radix_tree_root tree;
struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE];
};
struct mlx5_qp_table {
/* protect radix tree
*/
spinlock_t lock;
struct radix_tree_root tree;
};
struct mlx5_srq_table {
/* protect radix tree
*/
spinlock_t lock;
struct radix_tree_root tree;
};
struct mlx5_mr_table {
/* protect radix tree
*/
spinlock_t lock;
struct radix_tree_root tree;
};
#ifdef RATELIMIT
struct mlx5_rl_entry {
u32 rate;
u16 burst;
u16 index;
u32 refcount;
};
struct mlx5_rl_table {
struct mutex rl_lock;
u16 max_size;
u32 max_rate;
u32 min_rate;
struct mlx5_rl_entry *rl_entry;
};
#endif
struct mlx5_pme_stats {
u64 status_counters[MLX5_MODULE_STATUS_NUM];
u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
};
struct mlx5_priv {
char name[MLX5_MAX_NAME_LEN];
struct mlx5_eq_table eq_table;
struct msix_entry *msix_arr;
struct mlx5_uuar_info uuari;
MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
int disable_irqs;
struct io_mapping *bf_mapping;
/* pages stuff */
struct workqueue_struct *pg_wq;
struct rb_root page_root;
s64 fw_pages;
atomic_t reg_pages;
s64 pages_per_func[MLX5_MAX_NUMBER_OF_VFS];
struct mlx5_core_health health;
struct mlx5_srq_table srq_table;
/* start: qp staff */
struct mlx5_qp_table qp_table;
struct dentry *qp_debugfs;
struct dentry *eq_debugfs;
struct dentry *cq_debugfs;
struct dentry *cmdif_debugfs;
/* end: qp staff */
/* start: cq staff */
struct mlx5_cq_table cq_table;
/* end: cq staff */
/* start: mr staff */
struct mlx5_mr_table mr_table;
/* end: mr staff */
/* start: alloc staff */
int numa_node;
struct mutex pgdir_mutex;
struct list_head pgdir_list;
/* end: alloc staff */
struct dentry *dbg_root;
/* protect mkey key part */
spinlock_t mkey_lock;
u8 mkey_key;
struct list_head dev_list;
struct list_head ctx_list;
spinlock_t ctx_lock;
unsigned long pci_dev_data;
#ifdef RATELIMIT
struct mlx5_rl_table rl_table;
#endif
struct mlx5_pme_stats pme_stats;
struct mlx5_eswitch *eswitch;
};
enum mlx5_device_state {
MLX5_DEVICE_STATE_UP,
MLX5_DEVICE_STATE_INTERNAL_ERROR,
};
enum mlx5_interface_state {
MLX5_INTERFACE_STATE_UP = 0x1,
MLX5_INTERFACE_STATE_TEARDOWN = 0x2,
};
enum mlx5_pci_status {
MLX5_PCI_STATUS_DISABLED,
MLX5_PCI_STATUS_ENABLED,
};
#define MLX5_MAX_RESERVED_GIDS 8
struct mlx5_rsvd_gids {
unsigned int start;
unsigned int count;
struct ida ida;
};
struct mlx5_special_contexts {
int resd_lkey;
};
struct mlx5_flow_root_namespace;
struct mlx5_core_dev {
struct pci_dev *pdev;
/* sync pci state */
struct mutex pci_status_mutex;
enum mlx5_pci_status pci_status;
char board_id[MLX5_BOARD_ID_LEN];
struct mlx5_cmd cmd;
struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
struct {
u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
u32 mcam[MLX5_ST_SZ_DW(mcam_reg)];
u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
} caps;
phys_addr_t iseg_base;
struct mlx5_init_seg __iomem *iseg;
enum mlx5_device_state state;
/* sync interface state */
struct mutex intf_state_mutex;
unsigned long intf_state;
void (*event) (struct mlx5_core_dev *dev,
enum mlx5_dev_event event,
unsigned long param);
struct mlx5_priv priv;
struct mlx5_profile *profile;
atomic_t num_qps;
u32 vsc_addr;
u32 issi;
struct mlx5_special_contexts special_contexts;
unsigned int module_status[MLX5_MAX_PORTS];
struct mlx5_flow_root_namespace *root_ns;
struct mlx5_flow_root_namespace *fdb_root_ns;
struct mlx5_flow_root_namespace *esw_egress_root_ns;
struct mlx5_flow_root_namespace *esw_ingress_root_ns;
struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER];
struct mlx5_crspace_regmap *dump_rege;
uint32_t *dump_data;
unsigned dump_size;
bool dump_valid;
bool dump_copyout;
struct mtx dump_lock;
struct sysctl_ctx_list sysctl_ctx;
int msix_eqvec;
int pwr_status;
int pwr_value;
struct {
struct mlx5_rsvd_gids reserved_gids;
atomic_t roce_en;
} roce;
struct {
spinlock_t spinlock;
#define MLX5_MPFS_TABLE_MAX 32
long bitmap[BITS_TO_LONGS(MLX5_MPFS_TABLE_MAX)];
} mpfs;
#ifdef CONFIG_MLX5_FPGA
struct mlx5_fpga_device *fpga;
#endif
};
enum {
MLX5_WOL_DISABLE = 0,
MLX5_WOL_SECURED_MAGIC = 1 << 1,
MLX5_WOL_MAGIC = 1 << 2,
MLX5_WOL_ARP = 1 << 3,
MLX5_WOL_BROADCAST = 1 << 4,
MLX5_WOL_MULTICAST = 1 << 5,
MLX5_WOL_UNICAST = 1 << 6,
MLX5_WOL_PHY_ACTIVITY = 1 << 7,
};
struct mlx5_db {
__be32 *db;
union {
struct mlx5_db_pgdir *pgdir;
struct mlx5_ib_user_db_page *user_page;
} u;
dma_addr_t dma;
int index;
};
struct mlx5_net_counters {
u64 packets;
u64 octets;
};
struct mlx5_ptys_reg {
u8 an_dis_admin;
u8 an_dis_ap;
u8 local_port;
u8 proto_mask;
u32 eth_proto_cap;
u16 ib_link_width_cap;
u16 ib_proto_cap;
u32 eth_proto_admin;
u16 ib_link_width_admin;
u16 ib_proto_admin;
u32 eth_proto_oper;
u16 ib_link_width_oper;
u16 ib_proto_oper;
u32 eth_proto_lp_advertise;
};
struct mlx5_pvlc_reg {
u8 local_port;
u8 vl_hw_cap;
u8 vl_admin;
u8 vl_operational;
};
struct mlx5_pmtu_reg {
u8 local_port;
u16 max_mtu;
u16 admin_mtu;
u16 oper_mtu;
};
struct mlx5_vport_counters {
struct mlx5_net_counters received_errors;
struct mlx5_net_counters transmit_errors;
struct mlx5_net_counters received_ib_unicast;
struct mlx5_net_counters transmitted_ib_unicast;
struct mlx5_net_counters received_ib_multicast;
struct mlx5_net_counters transmitted_ib_multicast;
struct mlx5_net_counters received_eth_broadcast;
struct mlx5_net_counters transmitted_eth_broadcast;
struct mlx5_net_counters received_eth_unicast;
struct mlx5_net_counters transmitted_eth_unicast;
struct mlx5_net_counters received_eth_multicast;
struct mlx5_net_counters transmitted_eth_multicast;
};
enum {
MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES,
};
struct mlx5_core_dct {
struct mlx5_core_rsc_common common; /* must be first */
void (*event)(struct mlx5_core_dct *, int);
int dctn;
struct completion drained;
struct mlx5_rsc_debug *dbg;
int pid;
};
enum {
MLX5_COMP_EQ_SIZE = 1024,
};
enum {
MLX5_PTYS_IB = 1 << 0,
MLX5_PTYS_EN = 1 << 2,
};
struct mlx5_db_pgdir {
struct list_head list;
DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
struct mlx5_fw_page *fw_page;
__be32 *db_page;
dma_addr_t db_dma;
};
typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
struct mlx5_cmd_work_ent {
struct mlx5_cmd_msg *in;
struct mlx5_cmd_msg *out;
int uin_size;
void *uout;
int uout_size;
mlx5_cmd_cbk_t callback;
struct delayed_work cb_timeout_work;
void *context;
int idx;
struct completion done;
struct mlx5_cmd *cmd;
struct work_struct work;
struct mlx5_cmd_layout *lay;
int ret;
int page_queue;
u8 status;
u8 token;
u64 ts1;
u64 ts2;
u16 op;
u8 busy;
bool polling;
};
struct mlx5_pas {
u64 pa;
u8 log_sz;
};
enum port_state_policy {
MLX5_POLICY_DOWN = 0,
MLX5_POLICY_UP = 1,
MLX5_POLICY_FOLLOW = 2,
MLX5_POLICY_INVALID = 0xffffffff
};
static inline void *
mlx5_buf_offset(struct mlx5_buf *buf, int offset)
{
return ((char *)buf->direct.buf + offset);
}
extern struct workqueue_struct *mlx5_core_wq;
#define STRUCT_FIELD(header, field) \
.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
.struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
{
return pci_get_drvdata(pdev);
}
extern struct dentry *mlx5_debugfs_root;
static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->fw_rev) & 0xffff;
}
static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->fw_rev) >> 16;
}
static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
}
static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
}
static inline int mlx5_get_gid_table_len(u16 param)
{
if (param > 4) {
printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n");
return 0;
}
return 8 * (1 << param);
}
static inline void *mlx5_vzalloc(unsigned long size)
{
void *rtn;
rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
return rtn;
}
static inline void *mlx5_vmalloc(unsigned long size)
{
void *rtn;
rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
if (!rtn)
rtn = vmalloc(size);
return rtn;
}
static inline u32 mlx5_base_mkey(const u32 key)
{
return key & 0xffffff00u;
}
int mlx5_cmd_init(struct mlx5_core_dev *dev);
void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
int out_size);
int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
void *out, int out_size, mlx5_cmd_cbk_t callback,
void *context);
int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
void *out, int out_size);
int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
void mlx5_health_cleanup(struct mlx5_core_dev *dev);
int mlx5_health_init(struct mlx5_core_dev *dev);
void mlx5_start_health_poll(struct mlx5_core_dev *dev);
void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
void mlx5_trigger_health_watchdog(struct mlx5_core_dev *dev);
#define mlx5_buf_alloc_node(dev, size, direct, buf, node) \
mlx5_buf_alloc(dev, size, direct, buf)
int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
struct mlx5_buf *buf);
void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *in);
int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *out);
int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
u16 lwm, int is_srq);
void mlx5_init_mr_table(struct mlx5_core_dev *dev);
void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
struct mlx5_core_mr *mkey,
u32 *in, int inlen,
u32 *out, int outlen,
mlx5_cmd_cbk_t callback, void *context);
int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
struct mlx5_core_mr *mr,
u32 *in, int inlen);
int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey);
int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey,
u32 *out, int outlen);
int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
u32 *mkey);
int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
u16 opmod, u8 port);
void mlx5_fwp_flush(struct mlx5_fw_page *fwp);
void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp);
struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num);
void mlx5_fwp_free(struct mlx5_fw_page *fwp);
u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset);
void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset);
void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
s32 npages);
int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev);
void mlx5_register_debugfs(void);
void mlx5_unregister_debugfs(void);
int mlx5_eq_init(struct mlx5_core_dev *dev);
void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector, enum mlx5_cmd_mode mode);
void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
int nent, u64 mask, struct mlx5_uar *uar);
int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
int mlx5_start_eqs(struct mlx5_core_dev *dev);
int mlx5_stop_eqs(struct mlx5_core_dev *dev);
int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable,
u64 addr);
int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
int size_in, void *data_out, int size_out,
u16 reg_num, int arg, int write);
void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
u32 *out, int outlen);
int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
int node);
void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
const char *mlx5_command_str(int command);
int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
int npsvs, u32 *sig_index);
int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev);
int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode);
int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout);
int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout);
int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode);
int mlx5_core_access_pvlc(struct mlx5_core_dev *dev,
struct mlx5_pvlc_reg *pvlc, int write);
int mlx5_core_access_ptys(struct mlx5_core_dev *dev,
struct mlx5_ptys_reg *ptys, int write);
int mlx5_core_access_pmtu(struct mlx5_core_dev *dev,
struct mlx5_pmtu_reg *pmtu, int write);
int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port);
int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port);
int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
int priority, int *is_enable);
int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
int priority, int enable);
int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol,
void *out, int out_size);
int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev,
void *in, int in_size);
int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear,
void *out, int out_size);
int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in,
int in_size);
int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev,
u8 num_of_samples, u16 sample_index,
void *out, int out_size);
int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev);
int mlx5_vsc_lock(struct mlx5_core_dev *mdev);
void mlx5_vsc_unlock(struct mlx5_core_dev *mdev);
int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space);
int mlx5_vsc_wait_on_flag(struct mlx5_core_dev *mdev, u32 expected);
int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, const u32 *data);
int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data);
int mlx5_vsc_lock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
int mlx5_vsc_unlock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
int mlx5_pci_read_power_status(struct mlx5_core_dev *mdev,
u16 *p_power, u8 *p_status);
static inline u32 mlx5_mkey_to_idx(u32 mkey)
{
return mkey >> 8;
}
static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
{
return mkey_idx << 8;
}
static inline u8 mlx5_mkey_variant(u32 mkey)
{
return mkey & 0xff;
}
enum {
MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
};
enum {
MAX_MR_CACHE_ENTRIES = 15,
};
struct mlx5_interface {
void * (*add)(struct mlx5_core_dev *dev);
void (*remove)(struct mlx5_core_dev *dev, void *context);
void (*event)(struct mlx5_core_dev *dev, void *context,
enum mlx5_dev_event event, unsigned long param);
void * (*get_dev)(void *context);
int protocol;
struct list_head list;
};
void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
int mlx5_register_interface(struct mlx5_interface *intf);
void mlx5_unregister_interface(struct mlx5_interface *intf);
unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
u8 roce_version, u8 roce_l3_type, const u8 *gid,
const u8 *mac, bool vlan, u16 vlan_id);
struct mlx5_profile {
u64 mask;
u8 log_max_qp;
struct {
int size;
int limit;
} mr_cache[MAX_MR_CACHE_ENTRIES];
};
enum {
MLX5_PCI_DEV_IS_VF = 1 << 0,
};
enum {
MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
};
static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
{
return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
}
#ifdef RATELIMIT
int mlx5_init_rl_table(struct mlx5_core_dev *dev);
void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst, u16 *index);
void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst);
bool mlx5_rl_is_in_range(const struct mlx5_core_dev *dev, u32 rate, u32 burst);
static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
{
return !!(dev->priv.rl_table.max_size);
}
#endif
void mlx5_disable_interrupts(struct mlx5_core_dev *);
void mlx5_poll_interrupts(struct mlx5_core_dev *);
#endif /* MLX5_DRIVER_H */