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Diffstat (limited to 'include/linux/mlx4/device.h')
-rw-r--r-- | include/linux/mlx4/device.h | 1589 |
1 files changed, 1589 insertions, 0 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h new file mode 100644 index 000000000..eb8169c03 --- /dev/null +++ b/include/linux/mlx4/device.h @@ -0,0 +1,1589 @@ +/* + * 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/if_ether.h> +#include <linux/pci.h> +#include <linux/completion.h> +#include <linux/radix-tree.h> +#include <linux/cpu_rmap.h> +#include <linux/crash_dump.h> + +#include <linux/refcount.h> + +#include <linux/timecounter.h> + +#define DEFAULT_UAR_PAGE_SHIFT 12 + +#define MAX_MSIX_P_PORT 17 +#define MAX_MSIX 128 +#define MIN_MSIX_P_PORT 5 +#define MLX4_IS_LEGACY_EQ_MODE(dev_cap) ((dev_cap).num_comp_vectors < \ + (dev_cap).num_ports * MIN_MSIX_P_PORT) + +#define MLX4_MAX_100M_UNITS_VAL 255 /* + * work around: can't set values + * greater then this value when + * using 100 Mbps units. + */ +#define MLX4_RATELIMIT_100M_UNITS 3 /* 100 Mbps */ +#define MLX4_RATELIMIT_1G_UNITS 4 /* 1 Gbps */ +#define MLX4_RATELIMIT_DEFAULT 0x00ff + +#define MLX4_ROCE_MAX_GIDS 128 +#define MLX4_ROCE_PF_GIDS 16 + +enum { + MLX4_FLAG_MSI_X = 1 << 0, + MLX4_FLAG_OLD_PORT_CMDS = 1 << 1, + MLX4_FLAG_MASTER = 1 << 2, + MLX4_FLAG_SLAVE = 1 << 3, + MLX4_FLAG_SRIOV = 1 << 4, + MLX4_FLAG_OLD_REG_MAC = 1 << 6, + MLX4_FLAG_BONDED = 1 << 7, + MLX4_FLAG_SECURE_HOST = 1 << 8, +}; + +enum { + MLX4_PORT_CAP_IS_SM = 1 << 1, + MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19, +}; + +enum { + MLX4_MAX_PORTS = 2, + MLX4_MAX_PORT_PKEYS = 128, + MLX4_MAX_PORT_GIDS = 128 +}; + +/* base qkey for use in sriov tunnel-qp/proxy-qp communication. + * These qkeys must not be allowed for general use. This is a 64k range, + * and to test for violation, we use the mask (protect against future chg). + */ +#define MLX4_RESERVED_QKEY_BASE (0xFFFF0000) +#define MLX4_RESERVED_QKEY_MASK (0xFFFF0000) + +enum { + MLX4_BOARD_ID_LEN = 64 +}; + +enum { + MLX4_MAX_NUM_PF = 16, + MLX4_MAX_NUM_VF = 126, + MLX4_MAX_NUM_VF_P_PORT = 64, + MLX4_MFUNC_MAX = 128, + MLX4_MAX_EQ_NUM = 1024, + MLX4_MFUNC_EQ_NUM = 4, + MLX4_MFUNC_MAX_EQES = 8, + MLX4_MFUNC_EQE_MASK = (MLX4_MFUNC_MAX_EQES - 1) +}; + +/* Driver supports 3 different device methods to manage traffic steering: + * -device managed - High level API for ib and eth flow steering. FW is + * managing flow steering tables. + * - B0 steering mode - Common low level API for ib and (if supported) eth. + * - A0 steering mode - Limited low level API for eth. In case of IB, + * B0 mode is in use. + */ +enum { + MLX4_STEERING_MODE_A0, + MLX4_STEERING_MODE_B0, + MLX4_STEERING_MODE_DEVICE_MANAGED +}; + +enum { + MLX4_STEERING_DMFS_A0_DEFAULT, + MLX4_STEERING_DMFS_A0_DYNAMIC, + MLX4_STEERING_DMFS_A0_STATIC, + MLX4_STEERING_DMFS_A0_DISABLE, + MLX4_STEERING_DMFS_A0_NOT_SUPPORTED +}; + +static inline const char *mlx4_steering_mode_str(int steering_mode) +{ + switch (steering_mode) { + case MLX4_STEERING_MODE_A0: + return "A0 steering"; + + case MLX4_STEERING_MODE_B0: + return "B0 steering"; + + case MLX4_STEERING_MODE_DEVICE_MANAGED: + return "Device managed flow steering"; + + default: + return "Unrecognize steering mode"; + } +} + +enum { + MLX4_TUNNEL_OFFLOAD_MODE_NONE, + MLX4_TUNNEL_OFFLOAD_MODE_VXLAN +}; + +enum { + MLX4_DEV_CAP_FLAG_RC = 1LL << 0, + MLX4_DEV_CAP_FLAG_UC = 1LL << 1, + MLX4_DEV_CAP_FLAG_UD = 1LL << 2, + MLX4_DEV_CAP_FLAG_XRC = 1LL << 3, + MLX4_DEV_CAP_FLAG_SRQ = 1LL << 6, + MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1LL << 7, + MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL << 8, + MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9, + MLX4_DEV_CAP_FLAG_DPDP = 1LL << 12, + MLX4_DEV_CAP_FLAG_BLH = 1LL << 15, + MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1LL << 16, + MLX4_DEV_CAP_FLAG_APM = 1LL << 17, + MLX4_DEV_CAP_FLAG_ATOMIC = 1LL << 18, + MLX4_DEV_CAP_FLAG_RAW_MCAST = 1LL << 19, + MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1LL << 20, + MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21, + MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30, + MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32, + MLX4_DEV_CAP_FLAG_FCS_KEEP = 1LL << 34, + MLX4_DEV_CAP_FLAG_WOL_PORT1 = 1LL << 37, + MLX4_DEV_CAP_FLAG_WOL_PORT2 = 1LL << 38, + MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40, + MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41, + MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42, + MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48, + MLX4_DEV_CAP_FLAG_RSS_IP_FRAG = 1LL << 52, + MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53, + MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55, + MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59, + MLX4_DEV_CAP_FLAG_64B_EQE = 1LL << 61, + MLX4_DEV_CAP_FLAG_64B_CQE = 1LL << 62 +}; + +enum { + MLX4_DEV_CAP_FLAG2_RSS = 1LL << 0, + MLX4_DEV_CAP_FLAG2_RSS_TOP = 1LL << 1, + MLX4_DEV_CAP_FLAG2_RSS_XOR = 1LL << 2, + MLX4_DEV_CAP_FLAG2_FS_EN = 1LL << 3, + MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN = 1LL << 4, + MLX4_DEV_CAP_FLAG2_TS = 1LL << 5, + MLX4_DEV_CAP_FLAG2_VLAN_CONTROL = 1LL << 6, + MLX4_DEV_CAP_FLAG2_FSM = 1LL << 7, + MLX4_DEV_CAP_FLAG2_UPDATE_QP = 1LL << 8, + MLX4_DEV_CAP_FLAG2_DMFS_IPOIB = 1LL << 9, + MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS = 1LL << 10, + MLX4_DEV_CAP_FLAG2_MAD_DEMUX = 1LL << 11, + MLX4_DEV_CAP_FLAG2_CQE_STRIDE = 1LL << 12, + MLX4_DEV_CAP_FLAG2_EQE_STRIDE = 1LL << 13, + MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL = 1LL << 14, + MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP = 1LL << 15, + MLX4_DEV_CAP_FLAG2_CONFIG_DEV = 1LL << 16, + MLX4_DEV_CAP_FLAG2_SYS_EQS = 1LL << 17, + MLX4_DEV_CAP_FLAG2_80_VFS = 1LL << 18, + MLX4_DEV_CAP_FLAG2_FS_A0 = 1LL << 19, + MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT = 1LL << 20, + MLX4_DEV_CAP_FLAG2_PORT_REMAP = 1LL << 21, + MLX4_DEV_CAP_FLAG2_QCN = 1LL << 22, + MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT = 1LL << 23, + MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN = 1LL << 24, + MLX4_DEV_CAP_FLAG2_QOS_VPP = 1LL << 25, + MLX4_DEV_CAP_FLAG2_ETS_CFG = 1LL << 26, + MLX4_DEV_CAP_FLAG2_PORT_BEACON = 1LL << 27, + MLX4_DEV_CAP_FLAG2_IGNORE_FCS = 1LL << 28, + MLX4_DEV_CAP_FLAG2_PHV_EN = 1LL << 29, + MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN = 1LL << 30, + MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB = 1ULL << 31, + MLX4_DEV_CAP_FLAG2_LB_SRC_CHK = 1ULL << 32, + MLX4_DEV_CAP_FLAG2_ROCE_V1_V2 = 1ULL << 33, + MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER = 1ULL << 34, + MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT = 1ULL << 35, + MLX4_DEV_CAP_FLAG2_SVLAN_BY_QP = 1ULL << 36, + MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT = 1ULL << 37, + MLX4_DEV_CAP_FLAG2_USER_MAC_EN = 1ULL << 38, + MLX4_DEV_CAP_FLAG2_DRIVER_VERSION_TO_FW = 1ULL << 39, + MLX4_DEV_CAP_FLAG2_SW_CQ_INIT = 1ULL << 40, +}; + +enum { + MLX4_QUERY_FUNC_FLAGS_BF_RES_QP = 1LL << 0, + MLX4_QUERY_FUNC_FLAGS_A0_RES_QP = 1LL << 1 +}; + +enum { + MLX4_VF_CAP_FLAG_RESET = 1 << 0 +}; + +/* bit enums for an 8-bit flags field indicating special use + * QPs which require special handling in qp_reserve_range. + * Currently, this only includes QPs used by the ETH interface, + * where we expect to use blueflame. These QPs must not have + * bits 6 and 7 set in their qp number. + * + * This enum may use only bits 0..7. + */ +enum { + MLX4_RESERVE_A0_QP = 1 << 6, + MLX4_RESERVE_ETH_BF_QP = 1 << 7, +}; + +enum { + MLX4_DEV_CAP_64B_EQE_ENABLED = 1LL << 0, + MLX4_DEV_CAP_64B_CQE_ENABLED = 1LL << 1, + MLX4_DEV_CAP_CQE_STRIDE_ENABLED = 1LL << 2, + MLX4_DEV_CAP_EQE_STRIDE_ENABLED = 1LL << 3 +}; + +enum { + MLX4_FUNC_CAP_64B_EQE_CQE = 1L << 0, + MLX4_FUNC_CAP_EQE_CQE_STRIDE = 1L << 1, + MLX4_FUNC_CAP_DMFS_A0_STATIC = 1L << 2 +}; + + +#define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90) + +enum { + MLX4_BMME_FLAG_WIN_TYPE_2B = 1 << 1, + 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, + MLX4_BMME_FLAG_ROCE_V1_V2 = 1 << 19, + MLX4_BMME_FLAG_PORT_REMAP = 1 << 24, + MLX4_BMME_FLAG_VSD_INIT2RTR = 1 << 28, +}; + +enum { + MLX4_FLAG_PORT_REMAP = MLX4_BMME_FLAG_PORT_REMAP, + MLX4_FLAG_ROCE_V1_V2 = MLX4_BMME_FLAG_ROCE_V1_V2 +}; + +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, + MLX4_EVENT_TYPE_VEP_UPDATE = 0x19, + MLX4_EVENT_TYPE_COMM_CHANNEL = 0x18, + MLX4_EVENT_TYPE_OP_REQUIRED = 0x1a, + MLX4_EVENT_TYPE_FATAL_WARNING = 0x1b, + MLX4_EVENT_TYPE_FLR_EVENT = 0x1c, + MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d, + MLX4_EVENT_TYPE_RECOVERABLE_ERROR_EVENT = 0x3e, + MLX4_EVENT_TYPE_NONE = 0xff, +}; + +enum { + MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1, + MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4 +}; + +enum { + MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_BAD_CABLE = 1, + MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_UNSUPPORTED_CABLE = 2, +}; + +enum { + MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0, +}; + +enum slave_port_state { + SLAVE_PORT_DOWN = 0, + SLAVE_PENDING_UP, + SLAVE_PORT_UP, +}; + +enum slave_port_gen_event { + SLAVE_PORT_GEN_EVENT_DOWN = 0, + SLAVE_PORT_GEN_EVENT_UP, + SLAVE_PORT_GEN_EVENT_NONE, +}; + +enum slave_port_state_event { + MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN, + MLX4_PORT_STATE_DEV_EVENT_PORT_UP, + MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID, + MLX4_PORT_STATE_IB_EVENT_GID_INVALID, +}; + +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, + MLX4_PERM_BIND_MW = 1 << 15, + MLX4_PERM_MASK = 0xFC00 +}; + +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_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_protocol { + MLX4_PROT_IB_IPV6 = 0, + MLX4_PROT_ETH, + MLX4_PROT_IB_IPV4, + MLX4_PROT_FCOE +}; + +enum { + MLX4_MTT_FLAG_PRESENT = 1 +}; + +enum mlx4_qp_region { + MLX4_QP_REGION_FW = 0, + MLX4_QP_REGION_RSS_RAW_ETH, + MLX4_QP_REGION_BOTTOM = MLX4_QP_REGION_RSS_RAW_ETH, + MLX4_QP_REGION_ETH_ADDR, + MLX4_QP_REGION_FC_ADDR, + MLX4_QP_REGION_FC_EXCH, + 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 +}; + +enum mlx4_steer_type { + MLX4_MC_STEER = 0, + MLX4_UC_STEER, + MLX4_NUM_STEERS +}; + +enum mlx4_resource_usage { + MLX4_RES_USAGE_NONE, + MLX4_RES_USAGE_DRIVER, + MLX4_RES_USAGE_USER_VERBS, +}; + +enum { + MLX4_NUM_FEXCH = 64 * 1024, +}; + +enum { + MLX4_MAX_FAST_REG_PAGES = 511, +}; + +enum { + /* + * Max wqe size for rdma read is 512 bytes, so this + * limits our max_sge_rd as the wqe needs to fit: + * - ctrl segment (16 bytes) + * - rdma segment (16 bytes) + * - scatter elements (16 bytes each) + */ + MLX4_MAX_SGE_RD = (512 - 16 - 16) / 16 +}; + +enum { + MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14, + MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15, + MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16, + MLX4_DEV_PMC_SUBTYPE_SL_TO_VL_MAP = 0x17, +}; + +/* Port mgmt change event handling */ +enum { + MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK = 1 << 0, + MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK = 1 << 1, + MLX4_EQ_PORT_INFO_LID_CHANGE_MASK = 1 << 2, + MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK = 1 << 3, + MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK = 1 << 4, +}; + +union sl2vl_tbl_to_u64 { + u8 sl8[8]; + u64 sl64; +}; + +enum { + MLX4_DEVICE_STATE_UP = 1 << 0, + MLX4_DEVICE_STATE_INTERNAL_ERROR = 1 << 1, +}; + +enum { + MLX4_INTERFACE_STATE_UP = 1 << 0, + MLX4_INTERFACE_STATE_DELETION = 1 << 1, + MLX4_INTERFACE_STATE_NOWAIT = 1 << 2, +}; + +#define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \ + MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK) + +enum mlx4_module_id { + MLX4_MODULE_ID_SFP = 0x3, + MLX4_MODULE_ID_QSFP = 0xC, + MLX4_MODULE_ID_QSFP_PLUS = 0xD, + MLX4_MODULE_ID_QSFP28 = 0x11, +}; + +enum { /* rl */ + MLX4_QP_RATE_LIMIT_NONE = 0, + MLX4_QP_RATE_LIMIT_KBS = 1, + MLX4_QP_RATE_LIMIT_MBS = 2, + MLX4_QP_RATE_LIMIT_GBS = 3 +}; + +struct mlx4_rate_limit_caps { + u16 num_rates; /* Number of different rates */ + u8 min_unit; + u16 min_val; + u8 max_unit; + u16 max_val; +}; + +static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor) +{ + return (major << 32) | (minor << 16) | subminor; +} + +struct mlx4_phys_caps { + u32 gid_phys_table_len[MLX4_MAX_PORTS + 1]; + u32 pkey_phys_table_len[MLX4_MAX_PORTS + 1]; + u32 num_phys_eqs; + u32 base_sqpn; + u32 base_proxy_sqpn; + u32 base_tunnel_sqpn; +}; + +struct mlx4_spec_qps { + u32 qp0_qkey; + u32 qp0_proxy; + u32 qp0_tunnel; + u32 qp1_proxy; + u32 qp1_tunnel; +}; + +struct mlx4_caps { + u64 fw_ver; + u32 function; + 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; + u32 uar_page_size; + 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 max_tc_eth; + struct mlx4_spec_qps *spec_qps; + 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_sys_eqs; + int num_eqs; + int reserved_eqs; + int num_comp_vectors; + int num_mpts; + int num_mtts; + 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 steering_mode; + int dmfs_high_steer_mode; + int fs_log_max_ucast_qp_range_size; + int num_pds; + int reserved_pds; + int max_xrcds; + int reserved_xrcds; + int mtt_entry_sz; + u32 max_msg_sz; + u32 page_size_cap; + u64 flags; + u64 flags2; + u32 bmme_flags; + u32 reserved_lkey; + u16 stat_rate_support; + u8 port_width_cap[MLX4_MAX_PORTS + 1]; + int max_gso_sz; + int max_rss_tbl_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; + enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; + u8 supported_type[MLX4_MAX_PORTS + 1]; + u8 suggested_type[MLX4_MAX_PORTS + 1]; + u8 default_sense[MLX4_MAX_PORTS + 1]; + u32 port_mask[MLX4_MAX_PORTS + 1]; + enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1]; + u32 max_counters; + u8 port_ib_mtu[MLX4_MAX_PORTS + 1]; + u16 sqp_demux; + u32 eqe_size; + u32 cqe_size; + u8 eqe_factor; + u32 userspace_caps; /* userspace must be aware of these */ + u32 function_caps; /* VFs must be aware of these */ + u16 hca_core_clock; + u64 phys_port_id[MLX4_MAX_PORTS + 1]; + int tunnel_offload_mode; + u8 rx_checksum_flags_port[MLX4_MAX_PORTS + 1]; + u8 phv_bit[MLX4_MAX_PORTS + 1]; + u8 alloc_res_qp_mask; + u32 dmfs_high_rate_qpn_base; + u32 dmfs_high_rate_qpn_range; + u32 vf_caps; + bool wol_port[MLX4_MAX_PORTS + 1]; + struct mlx4_rate_limit_caps rl_caps; + u32 health_buffer_addrs; + bool map_clock_to_user; +}; + +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 offset; + 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; +}; + +enum mlx4_mw_type { + MLX4_MW_TYPE_1 = 1, + MLX4_MW_TYPE_2 = 2, +}; + +struct mlx4_mw { + u32 key; + u32 pd; + enum mlx4_mw_type type; + int enabled; +}; + +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 int 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; + + u16 irq; + __be32 *set_ci_db; + __be32 *arm_db; + int arm_sn; + + int cqn; + unsigned vector; + + refcount_t refcount; + struct completion free; + struct { + struct list_head list; + void (*comp)(struct mlx4_cq *); + void *priv; + } tasklet_ctx; + int reset_notify_added; + struct list_head reset_notify; + u8 usage; +}; + +struct mlx4_qp { + void (*event) (struct mlx4_qp *, enum mlx4_event); + + int qpn; + + refcount_t refcount; + struct completion free; + u8 usage; +}; + +struct mlx4_srq { + void (*event) (struct mlx4_srq *, enum mlx4_event); + + int srqn; + int max; + int max_gs; + int wqe_shift; + + refcount_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]; + u8 s_mac[6]; + u8 reserved4[2]; + __be16 vlan; + u8 mac[ETH_ALEN]; +}; + +union mlx4_ext_av { + struct mlx4_av ib; + struct mlx4_eth_av eth; +}; + +/* Counters should be saturate once they reach their maximum value */ +#define ASSIGN_32BIT_COUNTER(counter, value) do { \ + if ((value) > U32_MAX) \ + counter = cpu_to_be32(U32_MAX); \ + else \ + counter = cpu_to_be32(value); \ +} while (0) + +struct mlx4_counter { + u8 reserved1[3]; + u8 counter_mode; + __be32 num_ifc; + u32 reserved2[2]; + __be64 rx_frames; + __be64 rx_bytes; + __be64 tx_frames; + __be64 tx_bytes; +}; + +struct mlx4_quotas { + int qp; + int cq; + int srq; + int mpt; + int mtt; + int counter; + int xrcd; +}; + +struct mlx4_vf_dev { + u8 min_port; + u8 n_ports; +}; + +struct mlx4_fw_crdump { + bool snapshot_enable; + struct devlink_region *region_crspace; + struct devlink_region *region_fw_health; +}; + +enum mlx4_pci_status { + MLX4_PCI_STATUS_DISABLED, + MLX4_PCI_STATUS_ENABLED, +}; + +struct mlx4_dev_persistent { + struct pci_dev *pdev; + struct mlx4_dev *dev; + int nvfs[MLX4_MAX_PORTS + 1]; + int num_vfs; + enum mlx4_port_type curr_port_type[MLX4_MAX_PORTS + 1]; + enum mlx4_port_type curr_port_poss_type[MLX4_MAX_PORTS + 1]; + struct work_struct catas_work; + struct workqueue_struct *catas_wq; + struct mutex device_state_mutex; /* protect HW state */ + u8 state; + struct mutex interface_state_mutex; /* protect SW state */ + u8 interface_state; + struct mutex pci_status_mutex; /* sync pci state */ + enum mlx4_pci_status pci_status; + struct mlx4_fw_crdump crdump; +}; + +struct mlx4_dev { + struct mlx4_dev_persistent *persist; + unsigned long flags; + unsigned long num_slaves; + struct mlx4_caps caps; + struct mlx4_phys_caps phys_caps; + struct mlx4_quotas quotas; + struct radix_tree_root qp_table_tree; + u8 rev_id; + u8 port_random_macs; + char board_id[MLX4_BOARD_ID_LEN]; + int numa_node; + int oper_log_mgm_entry_size; + u64 regid_promisc_array[MLX4_MAX_PORTS + 1]; + u64 regid_allmulti_array[MLX4_MAX_PORTS + 1]; + struct mlx4_vf_dev *dev_vfs; + u8 uar_page_shift; +}; + +struct mlx4_clock_params { + u64 offset; + u8 bar; + u8 size; +}; + +struct mlx4_eqe { + u8 reserved1; + u8 type; + u8 reserved2; + u8 subtype; + union { + u32 raw[6]; + struct { + __be32 cqn; + } __packed comp; + struct { + u16 reserved1; + __be16 token; + u32 reserved2; + u8 reserved3[3]; + u8 status; + __be64 out_param; + } __packed cmd; + struct { + __be32 qpn; + } __packed qp; + struct { + __be32 srqn; + } __packed srq; + struct { + __be32 cqn; + u32 reserved1; + u8 reserved2[3]; + u8 syndrome; + } __packed cq_err; + struct { + u32 reserved1[2]; + __be32 port; + } __packed port_change; + struct { + #define COMM_CHANNEL_BIT_ARRAY_SIZE 4 + u32 reserved; + u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE]; + } __packed comm_channel_arm; + struct { + u8 port; + u8 reserved[3]; + __be64 mac; + } __packed mac_update; + struct { + __be32 slave_id; + } __packed flr_event; + struct { + __be16 current_temperature; + __be16 warning_threshold; + } __packed warming; + struct { + u8 reserved[3]; + u8 port; + union { + struct { + __be16 mstr_sm_lid; + __be16 port_lid; + __be32 changed_attr; + u8 reserved[3]; + u8 mstr_sm_sl; + __be64 gid_prefix; + } __packed port_info; + struct { + __be32 block_ptr; + __be32 tbl_entries_mask; + } __packed tbl_change_info; + struct { + u8 sl2vl_table[8]; + } __packed sl2vl_tbl_change_info; + } params; + } __packed port_mgmt_change; + struct { + u8 reserved[3]; + u8 port; + u32 reserved1[5]; + } __packed bad_cable; + } event; + u8 slave_id; + u8 reserved3[2]; + u8 owner; +} __packed; + +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; +}; + +#define MAD_IFC_DATA_SZ 192 +/* MAD IFC Mailbox */ +struct mlx4_mad_ifc { + u8 base_version; + u8 mgmt_class; + u8 class_version; + u8 method; + __be16 status; + __be16 class_specific; + __be64 tid; + __be16 attr_id; + __be16 resv; + __be32 attr_mod; + __be64 mkey; + __be16 dr_slid; + __be16 dr_dlid; + u8 reserved[28]; + u8 data[MAD_IFC_DATA_SZ]; +} __packed; + +#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.port_mask[port] == MLX4_PORT_TYPE_ETH)) + +#define MLX4_INVALID_SLAVE_ID 0xFF +#define MLX4_SINK_COUNTER_INDEX(dev) (dev->caps.max_counters - 1) + +void handle_port_mgmt_change_event(struct work_struct *work); + +static inline int mlx4_master_func_num(struct mlx4_dev *dev) +{ + return dev->caps.function; +} + +static inline int mlx4_is_master(struct mlx4_dev *dev) +{ + return dev->flags & MLX4_FLAG_MASTER; +} + +static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev) +{ + return dev->phys_caps.base_sqpn + 8 + + 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev); +} + +static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn) +{ + return (qpn < dev->phys_caps.base_sqpn + 8 + + 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev) && + qpn >= dev->phys_caps.base_sqpn) || + (qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]); +} + +static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn) +{ + int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8; + + if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8) + return 1; + + return 0; +} + +static inline int mlx4_is_mfunc(struct mlx4_dev *dev) +{ + return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER); +} + +static inline int mlx4_is_slave(struct mlx4_dev *dev) +{ + return dev->flags & MLX4_FLAG_SLAVE; +} + +static inline int mlx4_is_eth(struct mlx4_dev *dev, int port) +{ + return dev->caps.port_type[port] == MLX4_PORT_TYPE_IB ? 0 : 1; +} + +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->nbufs == 1) + 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, int node); +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_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access, + int npages, int page_shift, struct mlx4_mr *mr); +int 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_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type, + struct mlx4_mw *mw); +void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw); +int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw); +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); +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 int vector, int collapsed, int timestamp_en, + void *buf_addr, bool user_cq); +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, u8 flags, u8 usage); +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 xrcdn, + 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_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], + int block_mcast_loopback, enum mlx4_protocol prot); +int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], + enum mlx4_protocol prot); +int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], + u8 port, int block_mcast_loopback, + enum mlx4_protocol protocol, u64 *reg_id); +int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], + enum mlx4_protocol protocol, u64 reg_id); + +enum { + MLX4_DOMAIN_UVERBS = 0x1000, + MLX4_DOMAIN_ETHTOOL = 0x2000, + MLX4_DOMAIN_RFS = 0x3000, + MLX4_DOMAIN_NIC = 0x5000, +}; + +enum mlx4_net_trans_rule_id { + MLX4_NET_TRANS_RULE_ID_ETH = 0, + MLX4_NET_TRANS_RULE_ID_IB, + MLX4_NET_TRANS_RULE_ID_IPV6, + MLX4_NET_TRANS_RULE_ID_IPV4, + MLX4_NET_TRANS_RULE_ID_TCP, + MLX4_NET_TRANS_RULE_ID_UDP, + MLX4_NET_TRANS_RULE_ID_VXLAN, + MLX4_NET_TRANS_RULE_NUM, /* should be last */ +}; + +extern const u16 __sw_id_hw[]; + +static inline int map_hw_to_sw_id(u16 header_id) +{ + + int i; + for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) { + if (header_id == __sw_id_hw[i]) + return i; + } + return -EINVAL; +} + +enum mlx4_net_trans_promisc_mode { + MLX4_FS_REGULAR = 1, + MLX4_FS_ALL_DEFAULT, + MLX4_FS_MC_DEFAULT, + MLX4_FS_MIRROR_RX_PORT, + MLX4_FS_MIRROR_SX_PORT, + MLX4_FS_UC_SNIFFER, + MLX4_FS_MC_SNIFFER, + MLX4_FS_MODE_NUM, /* should be last */ +}; + +struct mlx4_spec_eth { + u8 dst_mac[ETH_ALEN]; + u8 dst_mac_msk[ETH_ALEN]; + u8 src_mac[ETH_ALEN]; + u8 src_mac_msk[ETH_ALEN]; + u8 ether_type_enable; + __be16 ether_type; + __be16 vlan_id_msk; + __be16 vlan_id; +}; + +struct mlx4_spec_tcp_udp { + __be16 dst_port; + __be16 dst_port_msk; + __be16 src_port; + __be16 src_port_msk; +}; + +struct mlx4_spec_ipv4 { + __be32 dst_ip; + __be32 dst_ip_msk; + __be32 src_ip; + __be32 src_ip_msk; +}; + +struct mlx4_spec_ib { + __be32 l3_qpn; + __be32 qpn_msk; + u8 dst_gid[16]; + u8 dst_gid_msk[16]; +}; + +struct mlx4_spec_vxlan { + __be32 vni; + __be32 vni_mask; + +}; + +struct mlx4_spec_list { + struct list_head list; + enum mlx4_net_trans_rule_id id; + union { + struct mlx4_spec_eth eth; + struct mlx4_spec_ib ib; + struct mlx4_spec_ipv4 ipv4; + struct mlx4_spec_tcp_udp tcp_udp; + struct mlx4_spec_vxlan vxlan; + }; +}; + +enum mlx4_net_trans_hw_rule_queue { + MLX4_NET_TRANS_Q_FIFO, + MLX4_NET_TRANS_Q_LIFO, +}; + +struct mlx4_net_trans_rule { + struct list_head list; + enum mlx4_net_trans_hw_rule_queue queue_mode; + bool exclusive; + bool allow_loopback; + enum mlx4_net_trans_promisc_mode promisc_mode; + u8 port; + u16 priority; + u32 qpn; +}; + +struct mlx4_net_trans_rule_hw_ctrl { + __be16 prio; + u8 type; + u8 flags; + u8 rsvd1; + u8 funcid; + u8 vep; + u8 port; + __be32 qpn; + __be32 rsvd2; +}; + +struct mlx4_net_trans_rule_hw_ib { + u8 size; + u8 rsvd1; + __be16 id; + u32 rsvd2; + __be32 l3_qpn; + __be32 qpn_mask; + u8 dst_gid[16]; + u8 dst_gid_msk[16]; +} __packed; + +struct mlx4_net_trans_rule_hw_eth { + u8 size; + u8 rsvd; + __be16 id; + u8 rsvd1[6]; + u8 dst_mac[6]; + u16 rsvd2; + u8 dst_mac_msk[6]; + u16 rsvd3; + u8 src_mac[6]; + u16 rsvd4; + u8 src_mac_msk[6]; + u8 rsvd5; + u8 ether_type_enable; + __be16 ether_type; + __be16 vlan_tag_msk; + __be16 vlan_tag; +} __packed; + +struct mlx4_net_trans_rule_hw_tcp_udp { + u8 size; + u8 rsvd; + __be16 id; + __be16 rsvd1[3]; + __be16 dst_port; + __be16 rsvd2; + __be16 dst_port_msk; + __be16 rsvd3; + __be16 src_port; + __be16 rsvd4; + __be16 src_port_msk; +} __packed; + +struct mlx4_net_trans_rule_hw_ipv4 { + u8 size; + u8 rsvd; + __be16 id; + __be32 rsvd1; + __be32 dst_ip; + __be32 dst_ip_msk; + __be32 src_ip; + __be32 src_ip_msk; +} __packed; + +struct mlx4_net_trans_rule_hw_vxlan { + u8 size; + u8 rsvd; + __be16 id; + __be32 rsvd1; + __be32 vni; + __be32 vni_mask; +} __packed; + +struct _rule_hw { + union { + struct { + u8 size; + u8 rsvd; + __be16 id; + }; + struct mlx4_net_trans_rule_hw_eth eth; + struct mlx4_net_trans_rule_hw_ib ib; + struct mlx4_net_trans_rule_hw_ipv4 ipv4; + struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp; + struct mlx4_net_trans_rule_hw_vxlan vxlan; + }; +}; + +enum { + VXLAN_STEER_BY_OUTER_MAC = 1 << 0, + VXLAN_STEER_BY_OUTER_VLAN = 1 << 1, + VXLAN_STEER_BY_VSID_VNI = 1 << 2, + VXLAN_STEER_BY_INNER_MAC = 1 << 3, + VXLAN_STEER_BY_INNER_VLAN = 1 << 4, +}; + +enum { + MLX4_OP_MOD_QUERY_TRANSPORT_CI_ERRORS = 0x2, +}; + +int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn, + enum mlx4_net_trans_promisc_mode mode); +int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port, + enum mlx4_net_trans_promisc_mode mode); +int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port); +int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port); +int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port); +int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port); +int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode); + +int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac); +void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac); +int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port); +int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac); +int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu, + u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx); +int mlx4_SET_PORT_user_mac(struct mlx4_dev *dev, u8 port, u8 *user_mac); +int mlx4_SET_PORT_user_mtu(struct mlx4_dev *dev, u8 port, u16 user_mtu); +int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn, + u8 promisc); +int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time); +int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port, + u8 ignore_fcs_value); +int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable); +int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val); +int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv); +int mlx4_get_is_vlan_offload_disabled(struct mlx4_dev *dev, u8 port, + bool *vlan_offload_disabled); +void mlx4_handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl, + struct _rule_hw *eth_header); +int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx); +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, u16 vlan); + +int mlx4_SYNC_TPT(struct mlx4_dev *dev); +int mlx4_test_interrupt(struct mlx4_dev *dev, int vector); +int mlx4_test_async(struct mlx4_dev *dev); +int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier, + const u32 offset[], u32 value[], + size_t array_len, u8 port); +u32 mlx4_get_eqs_per_port(struct mlx4_dev *dev, u8 port); +bool mlx4_is_eq_vector_valid(struct mlx4_dev *dev, u8 port, int vector); +struct cpu_rmap *mlx4_get_cpu_rmap(struct mlx4_dev *dev, int port); +int mlx4_assign_eq(struct mlx4_dev *dev, u8 port, int *vector); +void mlx4_release_eq(struct mlx4_dev *dev, int vec); + +int mlx4_is_eq_shared(struct mlx4_dev *dev, int vector); +int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec); + +int mlx4_get_phys_port_id(struct mlx4_dev *dev); +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_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage); +void mlx4_counter_free(struct mlx4_dev *dev, u32 idx); +int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port); + +void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry, + int port); +__be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port); +void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port); +int mlx4_flow_attach(struct mlx4_dev *dev, + struct mlx4_net_trans_rule *rule, u64 *reg_id); +int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id); +int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev, + enum mlx4_net_trans_promisc_mode flow_type); +int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev, + enum mlx4_net_trans_rule_id id); +int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id); + +int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr, + int port, int qpn, u16 prio, u64 *reg_id); + +void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, + int i, int val); + +int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey); + +int mlx4_is_slave_active(struct mlx4_dev *dev, int slave); +int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port); +int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port); +int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr); +int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change); +enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port); +int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event); + +void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid); +__be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave); + +int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid, + int *slave_id); +int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id, + u8 *gid); + +int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn, + u32 max_range_qpn); + +u64 mlx4_read_clock(struct mlx4_dev *dev); + +struct mlx4_active_ports { + DECLARE_BITMAP(ports, MLX4_MAX_PORTS); +}; +/* Returns a bitmap of the physical ports which are assigned to slave */ +struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave); + +/* Returns the physical port that represents the virtual port of the slave, */ +/* or a value < 0 in case of an error. If a slave has 2 ports, the identity */ +/* mapping is returned. */ +int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port); + +struct mlx4_slaves_pport { + DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX); +}; +/* Returns a bitmap of all slaves that are assigned to port. */ +struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev, + int port); + +/* Returns a bitmap of all slaves that are assigned exactly to all the */ +/* the ports that are set in crit_ports. */ +struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv( + struct mlx4_dev *dev, + const struct mlx4_active_ports *crit_ports); + +/* Returns the slave's virtual port that represents the physical port. */ +int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port); + +int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port); + +int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port); +int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis); +int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port); +int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2); +int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port); +int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port); +int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port, + int enable); + +struct mlx4_mpt_entry; +int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, + struct mlx4_mpt_entry ***mpt_entry); +int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, + struct mlx4_mpt_entry **mpt_entry); +int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry, + u32 pdn); +int mlx4_mr_hw_change_access(struct mlx4_dev *dev, + struct mlx4_mpt_entry *mpt_entry, + u32 access); +void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev, + struct mlx4_mpt_entry **mpt_entry); +void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr); +int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr, + u64 iova, u64 size, int npages, + int page_shift, struct mlx4_mpt_entry *mpt_entry); + +int mlx4_get_module_info(struct mlx4_dev *dev, u8 port, + u16 offset, u16 size, u8 *data); +int mlx4_max_tc(struct mlx4_dev *dev); + +/* Returns true if running in low memory profile (kdump kernel) */ +static inline bool mlx4_low_memory_profile(void) +{ + return is_kdump_kernel(); +} + +/* ACCESS REG commands */ +enum mlx4_access_reg_method { + MLX4_ACCESS_REG_QUERY = 0x1, + MLX4_ACCESS_REG_WRITE = 0x2, +}; + +/* ACCESS PTYS Reg command */ +enum mlx4_ptys_proto { + MLX4_PTYS_IB = 1<<0, + MLX4_PTYS_EN = 1<<2, +}; + +enum mlx4_ptys_flags { + MLX4_PTYS_AN_DISABLE_CAP = 1 << 5, + MLX4_PTYS_AN_DISABLE_ADMIN = 1 << 6, +}; + +struct mlx4_ptys_reg { + u8 flags; + u8 local_port; + u8 resrvd2; + u8 proto_mask; + __be32 resrvd3[2]; + __be32 eth_proto_cap; + __be16 ib_width_cap; + __be16 ib_speed_cap; + __be32 resrvd4; + __be32 eth_proto_admin; + __be16 ib_width_admin; + __be16 ib_speed_admin; + __be32 resrvd5; + __be32 eth_proto_oper; + __be16 ib_width_oper; + __be16 ib_speed_oper; + __be32 resrvd6; + __be32 eth_proto_lp_adv; +} __packed; + +int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, + enum mlx4_access_reg_method method, + struct mlx4_ptys_reg *ptys_reg); + +int mlx4_get_internal_clock_params(struct mlx4_dev *dev, + struct mlx4_clock_params *params); + +static inline int mlx4_to_hw_uar_index(struct mlx4_dev *dev, int index) +{ + return (index << (PAGE_SHIFT - dev->uar_page_shift)); +} + +static inline int mlx4_get_num_reserved_uar(struct mlx4_dev *dev) +{ + /* The first 128 UARs are used for EQ doorbells */ + return (128 >> (PAGE_SHIFT - dev->uar_page_shift)); +} +#endif /* MLX4_DEVICE_H */ |