2 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/if_ether.h>
37 #include <linux/pci.h>
38 #include <linux/completion.h>
39 #include <linux/radix-tree.h>
40 #include <linux/cpu_rmap.h>
41 #include <linux/crash_dump.h>
43 #include <linux/atomic.h>
45 #include <linux/clocksource.h>
47 #define MAX_MSIX_P_PORT 17
49 #define MSIX_LEGACY_SZ 4
50 #define MIN_MSIX_P_PORT 5
54 #define MLX4_MAX_100M_UNITS_VAL 255 /*
55 * work around: can't set values
56 * greater then this value when
57 * using 100 Mbps units.
59 #define MLX4_RATELIMIT_100M_UNITS 3 /* 100 Mbps */
60 #define MLX4_RATELIMIT_1G_UNITS 4 /* 1 Gbps */
61 #define MLX4_RATELIMIT_DEFAULT 0x00ff
63 #define MLX4_ROCE_MAX_GIDS 128
64 #define MLX4_ROCE_PF_GIDS 16
67 MLX4_FLAG_MSI_X = 1 << 0,
68 MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
69 MLX4_FLAG_MASTER = 1 << 2,
70 MLX4_FLAG_SLAVE = 1 << 3,
71 MLX4_FLAG_SRIOV = 1 << 4,
72 MLX4_FLAG_OLD_REG_MAC = 1 << 6,
76 MLX4_PORT_CAP_IS_SM = 1 << 1,
77 MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
82 MLX4_MAX_PORT_PKEYS = 128
85 /* base qkey for use in sriov tunnel-qp/proxy-qp communication.
86 * These qkeys must not be allowed for general use. This is a 64k range,
87 * and to test for violation, we use the mask (protect against future chg).
89 #define MLX4_RESERVED_QKEY_BASE (0xFFFF0000)
90 #define MLX4_RESERVED_QKEY_MASK (0xFFFF0000)
93 MLX4_BOARD_ID_LEN = 64
98 MLX4_MAX_NUM_VF = 126,
99 MLX4_MAX_NUM_VF_P_PORT = 64,
101 MLX4_MAX_EQ_NUM = 1024,
102 MLX4_MFUNC_EQ_NUM = 4,
103 MLX4_MFUNC_MAX_EQES = 8,
104 MLX4_MFUNC_EQE_MASK = (MLX4_MFUNC_MAX_EQES - 1)
107 /* Driver supports 3 diffrent device methods to manage traffic steering:
108 * -device managed - High level API for ib and eth flow steering. FW is
109 * managing flow steering tables.
110 * - B0 steering mode - Common low level API for ib and (if supported) eth.
111 * - A0 steering mode - Limited low level API for eth. In case of IB,
115 MLX4_STEERING_MODE_A0,
116 MLX4_STEERING_MODE_B0,
117 MLX4_STEERING_MODE_DEVICE_MANAGED
120 static inline const char *mlx4_steering_mode_str(int steering_mode)
122 switch (steering_mode) {
123 case MLX4_STEERING_MODE_A0:
124 return "A0 steering";
126 case MLX4_STEERING_MODE_B0:
127 return "B0 steering";
129 case MLX4_STEERING_MODE_DEVICE_MANAGED:
130 return "Device managed flow steering";
133 return "Unrecognize steering mode";
138 MLX4_TUNNEL_OFFLOAD_MODE_NONE,
139 MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
143 MLX4_DEV_CAP_FLAG_RC = 1LL << 0,
144 MLX4_DEV_CAP_FLAG_UC = 1LL << 1,
145 MLX4_DEV_CAP_FLAG_UD = 1LL << 2,
146 MLX4_DEV_CAP_FLAG_XRC = 1LL << 3,
147 MLX4_DEV_CAP_FLAG_SRQ = 1LL << 6,
148 MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1LL << 7,
149 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL << 8,
150 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9,
151 MLX4_DEV_CAP_FLAG_DPDP = 1LL << 12,
152 MLX4_DEV_CAP_FLAG_BLH = 1LL << 15,
153 MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1LL << 16,
154 MLX4_DEV_CAP_FLAG_APM = 1LL << 17,
155 MLX4_DEV_CAP_FLAG_ATOMIC = 1LL << 18,
156 MLX4_DEV_CAP_FLAG_RAW_MCAST = 1LL << 19,
157 MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1LL << 20,
158 MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21,
159 MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30,
160 MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32,
161 MLX4_DEV_CAP_FLAG_FCS_KEEP = 1LL << 34,
162 MLX4_DEV_CAP_FLAG_WOL_PORT1 = 1LL << 37,
163 MLX4_DEV_CAP_FLAG_WOL_PORT2 = 1LL << 38,
164 MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40,
165 MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41,
166 MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42,
167 MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48,
168 MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
169 MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55,
170 MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
171 MLX4_DEV_CAP_FLAG_64B_EQE = 1LL << 61,
172 MLX4_DEV_CAP_FLAG_64B_CQE = 1LL << 62
176 MLX4_DEV_CAP_FLAG2_RSS = 1LL << 0,
177 MLX4_DEV_CAP_FLAG2_RSS_TOP = 1LL << 1,
178 MLX4_DEV_CAP_FLAG2_RSS_XOR = 1LL << 2,
179 MLX4_DEV_CAP_FLAG2_FS_EN = 1LL << 3,
180 MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN = 1LL << 4,
181 MLX4_DEV_CAP_FLAG2_TS = 1LL << 5,
182 MLX4_DEV_CAP_FLAG2_VLAN_CONTROL = 1LL << 6,
183 MLX4_DEV_CAP_FLAG2_FSM = 1LL << 7,
184 MLX4_DEV_CAP_FLAG2_UPDATE_QP = 1LL << 8,
185 MLX4_DEV_CAP_FLAG2_DMFS_IPOIB = 1LL << 9,
186 MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS = 1LL << 10,
187 MLX4_DEV_CAP_FLAG2_MAD_DEMUX = 1LL << 11,
188 MLX4_DEV_CAP_FLAG2_CQE_STRIDE = 1LL << 12,
189 MLX4_DEV_CAP_FLAG2_EQE_STRIDE = 1LL << 13,
190 MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL = 1LL << 14,
191 MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP = 1LL << 15,
192 MLX4_DEV_CAP_FLAG2_CONFIG_DEV = 1LL << 16,
193 MLX4_DEV_CAP_FLAG2_SYS_EQS = 1LL << 17,
194 MLX4_DEV_CAP_FLAG2_80_VFS = 1LL << 18
198 MLX4_QUERY_FUNC_FLAGS_BF_RES_QP = 1LL << 0
201 /* bit enums for an 8-bit flags field indicating special use
202 * QPs which require special handling in qp_reserve_range.
203 * Currently, this only includes QPs used by the ETH interface,
204 * where we expect to use blueflame. These QPs must not have
205 * bits 6 and 7 set in their qp number.
207 * This enum may use only bits 0..7.
210 MLX4_RESERVE_ETH_BF_QP = 1 << 7,
214 MLX4_DEV_CAP_64B_EQE_ENABLED = 1LL << 0,
215 MLX4_DEV_CAP_64B_CQE_ENABLED = 1LL << 1,
216 MLX4_DEV_CAP_CQE_STRIDE_ENABLED = 1LL << 2,
217 MLX4_DEV_CAP_EQE_STRIDE_ENABLED = 1LL << 3
221 MLX4_USER_DEV_CAP_LARGE_CQE = 1L << 0
225 MLX4_FUNC_CAP_64B_EQE_CQE = 1L << 0,
226 MLX4_FUNC_CAP_EQE_CQE_STRIDE = 1L << 1
230 #define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
233 MLX4_BMME_FLAG_WIN_TYPE_2B = 1 << 1,
234 MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
235 MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
236 MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
237 MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
238 MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
239 MLX4_BMME_FLAG_VSD_INIT2RTR = 1 << 28,
243 MLX4_EVENT_TYPE_COMP = 0x00,
244 MLX4_EVENT_TYPE_PATH_MIG = 0x01,
245 MLX4_EVENT_TYPE_COMM_EST = 0x02,
246 MLX4_EVENT_TYPE_SQ_DRAINED = 0x03,
247 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13,
248 MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14,
249 MLX4_EVENT_TYPE_CQ_ERROR = 0x04,
250 MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
251 MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06,
252 MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07,
253 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
254 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11,
255 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12,
256 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08,
257 MLX4_EVENT_TYPE_PORT_CHANGE = 0x09,
258 MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f,
259 MLX4_EVENT_TYPE_ECC_DETECT = 0x0e,
260 MLX4_EVENT_TYPE_CMD = 0x0a,
261 MLX4_EVENT_TYPE_VEP_UPDATE = 0x19,
262 MLX4_EVENT_TYPE_COMM_CHANNEL = 0x18,
263 MLX4_EVENT_TYPE_OP_REQUIRED = 0x1a,
264 MLX4_EVENT_TYPE_FATAL_WARNING = 0x1b,
265 MLX4_EVENT_TYPE_FLR_EVENT = 0x1c,
266 MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
267 MLX4_EVENT_TYPE_NONE = 0xff,
271 MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
272 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
276 MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
279 enum slave_port_state {
285 enum slave_port_gen_event {
286 SLAVE_PORT_GEN_EVENT_DOWN = 0,
287 SLAVE_PORT_GEN_EVENT_UP,
288 SLAVE_PORT_GEN_EVENT_NONE,
291 enum slave_port_state_event {
292 MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
293 MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
294 MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
295 MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
299 MLX4_PERM_LOCAL_READ = 1 << 10,
300 MLX4_PERM_LOCAL_WRITE = 1 << 11,
301 MLX4_PERM_REMOTE_READ = 1 << 12,
302 MLX4_PERM_REMOTE_WRITE = 1 << 13,
303 MLX4_PERM_ATOMIC = 1 << 14,
304 MLX4_PERM_BIND_MW = 1 << 15,
305 MLX4_PERM_MASK = 0xFC00
309 MLX4_OPCODE_NOP = 0x00,
310 MLX4_OPCODE_SEND_INVAL = 0x01,
311 MLX4_OPCODE_RDMA_WRITE = 0x08,
312 MLX4_OPCODE_RDMA_WRITE_IMM = 0x09,
313 MLX4_OPCODE_SEND = 0x0a,
314 MLX4_OPCODE_SEND_IMM = 0x0b,
315 MLX4_OPCODE_LSO = 0x0e,
316 MLX4_OPCODE_RDMA_READ = 0x10,
317 MLX4_OPCODE_ATOMIC_CS = 0x11,
318 MLX4_OPCODE_ATOMIC_FA = 0x12,
319 MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14,
320 MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15,
321 MLX4_OPCODE_BIND_MW = 0x18,
322 MLX4_OPCODE_FMR = 0x19,
323 MLX4_OPCODE_LOCAL_INVAL = 0x1b,
324 MLX4_OPCODE_CONFIG_CMD = 0x1f,
326 MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
327 MLX4_RECV_OPCODE_SEND = 0x01,
328 MLX4_RECV_OPCODE_SEND_IMM = 0x02,
329 MLX4_RECV_OPCODE_SEND_INVAL = 0x03,
331 MLX4_CQE_OPCODE_ERROR = 0x1e,
332 MLX4_CQE_OPCODE_RESIZE = 0x16,
336 MLX4_STAT_RATE_OFFSET = 5
340 MLX4_PROT_IB_IPV6 = 0,
347 MLX4_MTT_FLAG_PRESENT = 1
350 enum mlx4_qp_region {
351 MLX4_QP_REGION_FW = 0,
352 MLX4_QP_REGION_ETH_ADDR,
353 MLX4_QP_REGION_FC_ADDR,
354 MLX4_QP_REGION_FC_EXCH,
358 enum mlx4_port_type {
359 MLX4_PORT_TYPE_NONE = 0,
360 MLX4_PORT_TYPE_IB = 1,
361 MLX4_PORT_TYPE_ETH = 2,
362 MLX4_PORT_TYPE_AUTO = 3
365 enum mlx4_special_vlan_idx {
366 MLX4_NO_VLAN_IDX = 0,
371 enum mlx4_steer_type {
378 MLX4_NUM_FEXCH = 64 * 1024,
382 MLX4_MAX_FAST_REG_PAGES = 511,
386 MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14,
387 MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15,
388 MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16,
391 /* Port mgmt change event handling */
393 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK = 1 << 0,
394 MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK = 1 << 1,
395 MLX4_EQ_PORT_INFO_LID_CHANGE_MASK = 1 << 2,
396 MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK = 1 << 3,
397 MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK = 1 << 4,
400 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
401 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
403 enum mlx4_module_id {
404 MLX4_MODULE_ID_SFP = 0x3,
405 MLX4_MODULE_ID_QSFP = 0xC,
406 MLX4_MODULE_ID_QSFP_PLUS = 0xD,
407 MLX4_MODULE_ID_QSFP28 = 0x11,
410 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
412 return (major << 32) | (minor << 16) | subminor;
415 struct mlx4_phys_caps {
416 u32 gid_phys_table_len[MLX4_MAX_PORTS + 1];
417 u32 pkey_phys_table_len[MLX4_MAX_PORTS + 1];
421 u32 base_tunnel_sqpn;
428 int vl_cap[MLX4_MAX_PORTS + 1];
429 int ib_mtu_cap[MLX4_MAX_PORTS + 1];
430 __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
431 u64 def_mac[MLX4_MAX_PORTS + 1];
432 int eth_mtu_cap[MLX4_MAX_PORTS + 1];
433 int gid_table_len[MLX4_MAX_PORTS + 1];
434 int pkey_table_len[MLX4_MAX_PORTS + 1];
435 int trans_type[MLX4_MAX_PORTS + 1];
436 int vendor_oui[MLX4_MAX_PORTS + 1];
437 int wavelength[MLX4_MAX_PORTS + 1];
438 u64 trans_code[MLX4_MAX_PORTS + 1];
439 int local_ca_ack_delay;
443 int bf_regs_per_page;
450 int max_qp_init_rdma;
451 int max_qp_dest_rdma;
467 int num_comp_vectors;
472 int fmr_reserved_mtts;
481 int fs_log_max_ucast_qp_range_size;
493 u16 stat_rate_support;
494 u8 port_width_cap[MLX4_MAX_PORTS + 1];
497 int reserved_qps_cnt[MLX4_NUM_QP_REGION];
499 int reserved_qps_base[MLX4_NUM_QP_REGION];
502 enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
503 u8 supported_type[MLX4_MAX_PORTS + 1];
504 u8 suggested_type[MLX4_MAX_PORTS + 1];
505 u8 default_sense[MLX4_MAX_PORTS + 1];
506 u32 port_mask[MLX4_MAX_PORTS + 1];
507 enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
509 u8 port_ib_mtu[MLX4_MAX_PORTS + 1];
514 u32 userspace_caps; /* userspace must be aware of these */
515 u32 function_caps; /* VFs must be aware of these */
517 u64 phys_port_id[MLX4_MAX_PORTS + 1];
518 int tunnel_offload_mode;
519 u8 rx_checksum_flags_port[MLX4_MAX_PORTS + 1];
520 u8 alloc_res_qp_mask;
523 struct mlx4_buf_list {
529 struct mlx4_buf_list direct;
530 struct mlx4_buf_list *page_list;
543 MLX4_DB_PER_PAGE = PAGE_SIZE / 4
546 struct mlx4_db_pgdir {
547 struct list_head list;
548 DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
549 DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
550 unsigned long *bits[2];
555 struct mlx4_ib_user_db_page;
560 struct mlx4_db_pgdir *pgdir;
561 struct mlx4_ib_user_db_page *user_page;
568 struct mlx4_hwq_resources {
592 enum mlx4_mw_type type;
598 struct mlx4_mpt_entry *mpt;
600 dma_addr_t dma_handle;
610 struct list_head bf_list;
611 unsigned free_bf_bmap;
613 void __iomem *bf_map;
619 struct mlx4_uar *uar;
624 void (*comp) (struct mlx4_cq *);
625 void (*event) (struct mlx4_cq *, enum mlx4_event);
627 struct mlx4_uar *uar;
640 struct completion free;
642 struct list_head list;
643 void (*comp)(struct mlx4_cq *);
649 void (*event) (struct mlx4_qp *, enum mlx4_event);
654 struct completion free;
658 void (*event) (struct mlx4_srq *, enum mlx4_event);
666 struct completion free;
678 __be32 sl_tclass_flowlabel;
691 __be32 sl_tclass_flowlabel;
701 struct mlx4_eth_av eth;
704 struct mlx4_counter {
731 struct pci_dev *pdev;
733 unsigned long num_slaves;
734 struct mlx4_caps caps;
735 struct mlx4_phys_caps phys_caps;
736 struct mlx4_quotas quotas;
737 struct radix_tree_root qp_table_tree;
739 char board_id[MLX4_BOARD_ID_LEN];
742 int oper_log_mgm_entry_size;
743 u64 regid_promisc_array[MLX4_MAX_PORTS + 1];
744 u64 regid_allmulti_array[MLX4_MAX_PORTS + 1];
745 struct mlx4_vf_dev *dev_vfs;
746 int nvfs[MLX4_MAX_PORTS + 1];
782 } __packed port_change;
784 #define COMM_CHANNEL_BIT_ARRAY_SIZE 4
786 u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
787 } __packed comm_channel_arm;
792 } __packed mac_update;
795 } __packed flr_event;
797 __be16 current_temperature;
798 __be16 warning_threshold;
811 } __packed port_info;
814 __be32 tbl_entries_mask;
815 } __packed tbl_change_info;
817 } __packed port_mgmt_change;
824 struct mlx4_init_port_param {
838 #define MAD_IFC_DATA_SZ 192
839 /* MAD IFC Mailbox */
840 struct mlx4_mad_ifc {
846 __be16 class_specific;
855 u8 data[MAD_IFC_DATA_SZ];
858 #define mlx4_foreach_port(port, dev, type) \
859 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
860 if ((type) == (dev)->caps.port_mask[(port)])
862 #define mlx4_foreach_non_ib_transport_port(port, dev) \
863 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
864 if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
866 #define mlx4_foreach_ib_transport_port(port, dev) \
867 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
868 if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
869 ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
871 #define MLX4_INVALID_SLAVE_ID 0xFF
873 void handle_port_mgmt_change_event(struct work_struct *work);
875 static inline int mlx4_master_func_num(struct mlx4_dev *dev)
877 return dev->caps.function;
880 static inline int mlx4_is_master(struct mlx4_dev *dev)
882 return dev->flags & MLX4_FLAG_MASTER;
885 static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev)
887 return dev->phys_caps.base_sqpn + 8 +
888 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev);
891 static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
893 return (qpn < dev->phys_caps.base_sqpn + 8 +
894 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev));
897 static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
899 int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
901 if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
907 static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
909 return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
912 static inline int mlx4_is_slave(struct mlx4_dev *dev)
914 return dev->flags & MLX4_FLAG_SLAVE;
917 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
918 struct mlx4_buf *buf, gfp_t gfp);
919 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
920 static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
922 if (BITS_PER_LONG == 64 || buf->nbufs == 1)
923 return buf->direct.buf + offset;
925 return buf->page_list[offset >> PAGE_SHIFT].buf +
926 (offset & (PAGE_SIZE - 1));
929 int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
930 void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
931 int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
932 void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
934 int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
935 void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
936 int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node);
937 void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
939 int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
940 struct mlx4_mtt *mtt);
941 void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
942 u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
944 int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
945 int npages, int page_shift, struct mlx4_mr *mr);
946 int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
947 int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
948 int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
950 void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
951 int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
952 int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
953 int start_index, int npages, u64 *page_list);
954 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
955 struct mlx4_buf *buf, gfp_t gfp);
957 int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
959 void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
961 int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
962 int size, int max_direct);
963 void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
966 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
967 struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
968 unsigned vector, int collapsed, int timestamp_en);
969 void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
970 int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
971 int *base, u8 flags);
972 void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
974 int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
976 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
978 int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
979 struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
980 void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
981 int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
982 int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
984 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
985 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
987 int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
988 int block_mcast_loopback, enum mlx4_protocol prot);
989 int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
990 enum mlx4_protocol prot);
991 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
992 u8 port, int block_mcast_loopback,
993 enum mlx4_protocol protocol, u64 *reg_id);
994 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
995 enum mlx4_protocol protocol, u64 reg_id);
998 MLX4_DOMAIN_UVERBS = 0x1000,
999 MLX4_DOMAIN_ETHTOOL = 0x2000,
1000 MLX4_DOMAIN_RFS = 0x3000,
1001 MLX4_DOMAIN_NIC = 0x5000,
1004 enum mlx4_net_trans_rule_id {
1005 MLX4_NET_TRANS_RULE_ID_ETH = 0,
1006 MLX4_NET_TRANS_RULE_ID_IB,
1007 MLX4_NET_TRANS_RULE_ID_IPV6,
1008 MLX4_NET_TRANS_RULE_ID_IPV4,
1009 MLX4_NET_TRANS_RULE_ID_TCP,
1010 MLX4_NET_TRANS_RULE_ID_UDP,
1011 MLX4_NET_TRANS_RULE_ID_VXLAN,
1012 MLX4_NET_TRANS_RULE_NUM, /* should be last */
1015 extern const u16 __sw_id_hw[];
1017 static inline int map_hw_to_sw_id(u16 header_id)
1021 for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
1022 if (header_id == __sw_id_hw[i])
1028 enum mlx4_net_trans_promisc_mode {
1029 MLX4_FS_REGULAR = 1,
1030 MLX4_FS_ALL_DEFAULT,
1034 MLX4_FS_MODE_NUM, /* should be last */
1037 struct mlx4_spec_eth {
1038 u8 dst_mac[ETH_ALEN];
1039 u8 dst_mac_msk[ETH_ALEN];
1040 u8 src_mac[ETH_ALEN];
1041 u8 src_mac_msk[ETH_ALEN];
1042 u8 ether_type_enable;
1048 struct mlx4_spec_tcp_udp {
1050 __be16 dst_port_msk;
1052 __be16 src_port_msk;
1055 struct mlx4_spec_ipv4 {
1062 struct mlx4_spec_ib {
1069 struct mlx4_spec_vxlan {
1075 struct mlx4_spec_list {
1076 struct list_head list;
1077 enum mlx4_net_trans_rule_id id;
1079 struct mlx4_spec_eth eth;
1080 struct mlx4_spec_ib ib;
1081 struct mlx4_spec_ipv4 ipv4;
1082 struct mlx4_spec_tcp_udp tcp_udp;
1083 struct mlx4_spec_vxlan vxlan;
1087 enum mlx4_net_trans_hw_rule_queue {
1088 MLX4_NET_TRANS_Q_FIFO,
1089 MLX4_NET_TRANS_Q_LIFO,
1092 struct mlx4_net_trans_rule {
1093 struct list_head list;
1094 enum mlx4_net_trans_hw_rule_queue queue_mode;
1096 bool allow_loopback;
1097 enum mlx4_net_trans_promisc_mode promisc_mode;
1103 struct mlx4_net_trans_rule_hw_ctrl {
1115 struct mlx4_net_trans_rule_hw_ib {
1126 struct mlx4_net_trans_rule_hw_eth {
1139 u8 ether_type_enable;
1141 __be16 vlan_tag_msk;
1145 struct mlx4_net_trans_rule_hw_tcp_udp {
1152 __be16 dst_port_msk;
1156 __be16 src_port_msk;
1159 struct mlx4_net_trans_rule_hw_ipv4 {
1170 struct mlx4_net_trans_rule_hw_vxlan {
1186 struct mlx4_net_trans_rule_hw_eth eth;
1187 struct mlx4_net_trans_rule_hw_ib ib;
1188 struct mlx4_net_trans_rule_hw_ipv4 ipv4;
1189 struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
1190 struct mlx4_net_trans_rule_hw_vxlan vxlan;
1195 VXLAN_STEER_BY_OUTER_MAC = 1 << 0,
1196 VXLAN_STEER_BY_OUTER_VLAN = 1 << 1,
1197 VXLAN_STEER_BY_VSID_VNI = 1 << 2,
1198 VXLAN_STEER_BY_INNER_MAC = 1 << 3,
1199 VXLAN_STEER_BY_INNER_VLAN = 1 << 4,
1203 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
1204 enum mlx4_net_trans_promisc_mode mode);
1205 int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
1206 enum mlx4_net_trans_promisc_mode mode);
1207 int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1208 int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1209 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1210 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1211 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
1213 int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1214 void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1215 int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port);
1216 int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
1217 void mlx4_set_stats_bitmap(struct mlx4_dev *dev, u64 *stats_bitmap);
1218 int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
1219 u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
1220 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
1222 int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc);
1223 int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
1224 u8 *pg, u16 *ratelimit);
1225 int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
1226 int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
1227 int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
1228 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1229 void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1231 int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
1232 int npages, u64 iova, u32 *lkey, u32 *rkey);
1233 int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
1234 int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
1235 int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1236 void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
1237 u32 *lkey, u32 *rkey);
1238 int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1239 int mlx4_SYNC_TPT(struct mlx4_dev *dev);
1240 int mlx4_test_interrupts(struct mlx4_dev *dev);
1241 int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
1243 void mlx4_release_eq(struct mlx4_dev *dev, int vec);
1245 int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec);
1247 int mlx4_get_phys_port_id(struct mlx4_dev *dev);
1248 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
1249 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
1251 int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1252 void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1254 int mlx4_flow_attach(struct mlx4_dev *dev,
1255 struct mlx4_net_trans_rule *rule, u64 *reg_id);
1256 int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
1257 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
1258 enum mlx4_net_trans_promisc_mode flow_type);
1259 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
1260 enum mlx4_net_trans_rule_id id);
1261 int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);
1263 int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr,
1264 int port, int qpn, u16 prio, u64 *reg_id);
1266 void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
1269 int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);
1271 int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
1272 int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
1273 int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
1274 int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
1275 int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
1276 enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
1277 int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);
1279 void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
1280 __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);
1282 int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
1284 int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
1287 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
1290 cycle_t mlx4_read_clock(struct mlx4_dev *dev);
1292 struct mlx4_active_ports {
1293 DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
1295 /* Returns a bitmap of the physical ports which are assigned to slave */
1296 struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave);
1298 /* Returns the physical port that represents the virtual port of the slave, */
1299 /* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
1300 /* mapping is returned. */
1301 int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port);
1303 struct mlx4_slaves_pport {
1304 DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX);
1306 /* Returns a bitmap of all slaves that are assigned to port. */
1307 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
1310 /* Returns a bitmap of all slaves that are assigned exactly to all the */
1311 /* the ports that are set in crit_ports. */
1312 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
1313 struct mlx4_dev *dev,
1314 const struct mlx4_active_ports *crit_ports);
1316 /* Returns the slave's virtual port that represents the physical port. */
1317 int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);
1319 int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);
1321 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
1322 int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
1323 int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
1324 int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port,
1326 int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
1327 struct mlx4_mpt_entry ***mpt_entry);
1328 int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
1329 struct mlx4_mpt_entry **mpt_entry);
1330 int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
1332 int mlx4_mr_hw_change_access(struct mlx4_dev *dev,
1333 struct mlx4_mpt_entry *mpt_entry,
1335 void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev,
1336 struct mlx4_mpt_entry **mpt_entry);
1337 void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr);
1338 int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
1339 u64 iova, u64 size, int npages,
1340 int page_shift, struct mlx4_mpt_entry *mpt_entry);
1342 int mlx4_get_module_info(struct mlx4_dev *dev, u8 port,
1343 u16 offset, u16 size, u8 *data);
1345 /* Returns true if running in low memory profile (kdump kernel) */
1346 static inline bool mlx4_low_memory_profile(void)
1348 return is_kdump_kernel();
1351 /* ACCESS REG commands */
1352 enum mlx4_access_reg_method {
1353 MLX4_ACCESS_REG_QUERY = 0x1,
1354 MLX4_ACCESS_REG_WRITE = 0x2,
1357 /* ACCESS PTYS Reg command */
1358 enum mlx4_ptys_proto {
1359 MLX4_PTYS_IB = 1<<0,
1360 MLX4_PTYS_EN = 1<<2,
1363 struct mlx4_ptys_reg {
1369 __be32 eth_proto_cap;
1370 __be16 ib_width_cap;
1371 __be16 ib_speed_cap;
1373 __be32 eth_proto_admin;
1374 __be16 ib_width_admin;
1375 __be16 ib_speed_admin;
1377 __be32 eth_proto_oper;
1378 __be16 ib_width_oper;
1379 __be16 ib_speed_oper;
1381 __be32 eth_proto_lp_adv;
1384 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
1385 enum mlx4_access_reg_method method,
1386 struct mlx4_ptys_reg *ptys_reg);
1388 #endif /* MLX4_DEVICE_H */