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>
42 #include <linux/atomic.h>
44 #include <linux/clocksource.h>
46 #define MAX_MSIX_P_PORT 17
48 #define MSIX_LEGACY_SZ 4
49 #define MIN_MSIX_P_PORT 5
53 #define MLX4_MAX_100M_UNITS_VAL 255 /*
54 * work around: can't set values
55 * greater then this value when
56 * using 100 Mbps units.
58 #define MLX4_RATELIMIT_100M_UNITS 3 /* 100 Mbps */
59 #define MLX4_RATELIMIT_1G_UNITS 4 /* 1 Gbps */
60 #define MLX4_RATELIMIT_DEFAULT 0x00ff
62 #define MLX4_ROCE_MAX_GIDS 128
63 #define MLX4_ROCE_PF_GIDS 16
66 MLX4_FLAG_MSI_X = 1 << 0,
67 MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
68 MLX4_FLAG_MASTER = 1 << 2,
69 MLX4_FLAG_SLAVE = 1 << 3,
70 MLX4_FLAG_SRIOV = 1 << 4,
71 MLX4_FLAG_OLD_REG_MAC = 1 << 6,
75 MLX4_PORT_CAP_IS_SM = 1 << 1,
76 MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
81 MLX4_MAX_PORT_PKEYS = 128
84 /* base qkey for use in sriov tunnel-qp/proxy-qp communication.
85 * These qkeys must not be allowed for general use. This is a 64k range,
86 * and to test for violation, we use the mask (protect against future chg).
88 #define MLX4_RESERVED_QKEY_BASE (0xFFFF0000)
89 #define MLX4_RESERVED_QKEY_MASK (0xFFFF0000)
92 MLX4_BOARD_ID_LEN = 64
98 MLX4_MAX_NUM_VF_P_PORT = 64,
100 MLX4_MAX_EQ_NUM = 1024,
101 MLX4_MFUNC_EQ_NUM = 4,
102 MLX4_MFUNC_MAX_EQES = 8,
103 MLX4_MFUNC_EQE_MASK = (MLX4_MFUNC_MAX_EQES - 1)
106 /* Driver supports 3 diffrent device methods to manage traffic steering:
107 * -device managed - High level API for ib and eth flow steering. FW is
108 * managing flow steering tables.
109 * - B0 steering mode - Common low level API for ib and (if supported) eth.
110 * - A0 steering mode - Limited low level API for eth. In case of IB,
114 MLX4_STEERING_MODE_A0,
115 MLX4_STEERING_MODE_B0,
116 MLX4_STEERING_MODE_DEVICE_MANAGED
119 static inline const char *mlx4_steering_mode_str(int steering_mode)
121 switch (steering_mode) {
122 case MLX4_STEERING_MODE_A0:
123 return "A0 steering";
125 case MLX4_STEERING_MODE_B0:
126 return "B0 steering";
128 case MLX4_STEERING_MODE_DEVICE_MANAGED:
129 return "Device managed flow steering";
132 return "Unrecognize steering mode";
137 MLX4_TUNNEL_OFFLOAD_MODE_NONE,
138 MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
142 MLX4_DEV_CAP_FLAG_RC = 1LL << 0,
143 MLX4_DEV_CAP_FLAG_UC = 1LL << 1,
144 MLX4_DEV_CAP_FLAG_UD = 1LL << 2,
145 MLX4_DEV_CAP_FLAG_XRC = 1LL << 3,
146 MLX4_DEV_CAP_FLAG_SRQ = 1LL << 6,
147 MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1LL << 7,
148 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL << 8,
149 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9,
150 MLX4_DEV_CAP_FLAG_DPDP = 1LL << 12,
151 MLX4_DEV_CAP_FLAG_BLH = 1LL << 15,
152 MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1LL << 16,
153 MLX4_DEV_CAP_FLAG_APM = 1LL << 17,
154 MLX4_DEV_CAP_FLAG_ATOMIC = 1LL << 18,
155 MLX4_DEV_CAP_FLAG_RAW_MCAST = 1LL << 19,
156 MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1LL << 20,
157 MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21,
158 MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30,
159 MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32,
160 MLX4_DEV_CAP_FLAG_FCS_KEEP = 1LL << 34,
161 MLX4_DEV_CAP_FLAG_WOL_PORT1 = 1LL << 37,
162 MLX4_DEV_CAP_FLAG_WOL_PORT2 = 1LL << 38,
163 MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40,
164 MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41,
165 MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42,
166 MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48,
167 MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
168 MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55,
169 MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
170 MLX4_DEV_CAP_FLAG_64B_EQE = 1LL << 61,
171 MLX4_DEV_CAP_FLAG_64B_CQE = 1LL << 62
175 MLX4_DEV_CAP_FLAG2_RSS = 1LL << 0,
176 MLX4_DEV_CAP_FLAG2_RSS_TOP = 1LL << 1,
177 MLX4_DEV_CAP_FLAG2_RSS_XOR = 1LL << 2,
178 MLX4_DEV_CAP_FLAG2_FS_EN = 1LL << 3,
179 MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN = 1LL << 4,
180 MLX4_DEV_CAP_FLAG2_TS = 1LL << 5,
181 MLX4_DEV_CAP_FLAG2_VLAN_CONTROL = 1LL << 6,
182 MLX4_DEV_CAP_FLAG2_FSM = 1LL << 7,
183 MLX4_DEV_CAP_FLAG2_UPDATE_QP = 1LL << 8,
184 MLX4_DEV_CAP_FLAG2_DMFS_IPOIB = 1LL << 9,
185 MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS = 1LL << 10,
186 MLX4_DEV_CAP_FLAG2_MAD_DEMUX = 1LL << 11,
190 MLX4_DEV_CAP_64B_EQE_ENABLED = 1LL << 0,
191 MLX4_DEV_CAP_64B_CQE_ENABLED = 1LL << 1
195 MLX4_USER_DEV_CAP_64B_CQE = 1L << 0
199 MLX4_FUNC_CAP_64B_EQE_CQE = 1L << 0
203 #define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
206 MLX4_BMME_FLAG_WIN_TYPE_2B = 1 << 1,
207 MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
208 MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
209 MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
210 MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
211 MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
212 MLX4_BMME_FLAG_VSD_INIT2RTR = 1 << 28,
216 MLX4_EVENT_TYPE_COMP = 0x00,
217 MLX4_EVENT_TYPE_PATH_MIG = 0x01,
218 MLX4_EVENT_TYPE_COMM_EST = 0x02,
219 MLX4_EVENT_TYPE_SQ_DRAINED = 0x03,
220 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13,
221 MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14,
222 MLX4_EVENT_TYPE_CQ_ERROR = 0x04,
223 MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
224 MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06,
225 MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07,
226 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
227 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11,
228 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12,
229 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08,
230 MLX4_EVENT_TYPE_PORT_CHANGE = 0x09,
231 MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f,
232 MLX4_EVENT_TYPE_ECC_DETECT = 0x0e,
233 MLX4_EVENT_TYPE_CMD = 0x0a,
234 MLX4_EVENT_TYPE_VEP_UPDATE = 0x19,
235 MLX4_EVENT_TYPE_COMM_CHANNEL = 0x18,
236 MLX4_EVENT_TYPE_OP_REQUIRED = 0x1a,
237 MLX4_EVENT_TYPE_FATAL_WARNING = 0x1b,
238 MLX4_EVENT_TYPE_FLR_EVENT = 0x1c,
239 MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
240 MLX4_EVENT_TYPE_NONE = 0xff,
244 MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
245 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
249 MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
252 enum slave_port_state {
258 enum slave_port_gen_event {
259 SLAVE_PORT_GEN_EVENT_DOWN = 0,
260 SLAVE_PORT_GEN_EVENT_UP,
261 SLAVE_PORT_GEN_EVENT_NONE,
264 enum slave_port_state_event {
265 MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
266 MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
267 MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
268 MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
272 MLX4_PERM_LOCAL_READ = 1 << 10,
273 MLX4_PERM_LOCAL_WRITE = 1 << 11,
274 MLX4_PERM_REMOTE_READ = 1 << 12,
275 MLX4_PERM_REMOTE_WRITE = 1 << 13,
276 MLX4_PERM_ATOMIC = 1 << 14,
277 MLX4_PERM_BIND_MW = 1 << 15,
278 MLX4_PERM_MASK = 0xFC00
282 MLX4_OPCODE_NOP = 0x00,
283 MLX4_OPCODE_SEND_INVAL = 0x01,
284 MLX4_OPCODE_RDMA_WRITE = 0x08,
285 MLX4_OPCODE_RDMA_WRITE_IMM = 0x09,
286 MLX4_OPCODE_SEND = 0x0a,
287 MLX4_OPCODE_SEND_IMM = 0x0b,
288 MLX4_OPCODE_LSO = 0x0e,
289 MLX4_OPCODE_RDMA_READ = 0x10,
290 MLX4_OPCODE_ATOMIC_CS = 0x11,
291 MLX4_OPCODE_ATOMIC_FA = 0x12,
292 MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14,
293 MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15,
294 MLX4_OPCODE_BIND_MW = 0x18,
295 MLX4_OPCODE_FMR = 0x19,
296 MLX4_OPCODE_LOCAL_INVAL = 0x1b,
297 MLX4_OPCODE_CONFIG_CMD = 0x1f,
299 MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
300 MLX4_RECV_OPCODE_SEND = 0x01,
301 MLX4_RECV_OPCODE_SEND_IMM = 0x02,
302 MLX4_RECV_OPCODE_SEND_INVAL = 0x03,
304 MLX4_CQE_OPCODE_ERROR = 0x1e,
305 MLX4_CQE_OPCODE_RESIZE = 0x16,
309 MLX4_STAT_RATE_OFFSET = 5
313 MLX4_PROT_IB_IPV6 = 0,
320 MLX4_MTT_FLAG_PRESENT = 1
323 enum mlx4_qp_region {
324 MLX4_QP_REGION_FW = 0,
325 MLX4_QP_REGION_ETH_ADDR,
326 MLX4_QP_REGION_FC_ADDR,
327 MLX4_QP_REGION_FC_EXCH,
331 enum mlx4_port_type {
332 MLX4_PORT_TYPE_NONE = 0,
333 MLX4_PORT_TYPE_IB = 1,
334 MLX4_PORT_TYPE_ETH = 2,
335 MLX4_PORT_TYPE_AUTO = 3
338 enum mlx4_special_vlan_idx {
339 MLX4_NO_VLAN_IDX = 0,
344 enum mlx4_steer_type {
351 MLX4_NUM_FEXCH = 64 * 1024,
355 MLX4_MAX_FAST_REG_PAGES = 511,
359 MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14,
360 MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15,
361 MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16,
364 /* Port mgmt change event handling */
366 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK = 1 << 0,
367 MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK = 1 << 1,
368 MLX4_EQ_PORT_INFO_LID_CHANGE_MASK = 1 << 2,
369 MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK = 1 << 3,
370 MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK = 1 << 4,
373 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
374 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
376 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
378 return (major << 32) | (minor << 16) | subminor;
381 struct mlx4_phys_caps {
382 u32 gid_phys_table_len[MLX4_MAX_PORTS + 1];
383 u32 pkey_phys_table_len[MLX4_MAX_PORTS + 1];
387 u32 base_tunnel_sqpn;
394 int vl_cap[MLX4_MAX_PORTS + 1];
395 int ib_mtu_cap[MLX4_MAX_PORTS + 1];
396 __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
397 u64 def_mac[MLX4_MAX_PORTS + 1];
398 int eth_mtu_cap[MLX4_MAX_PORTS + 1];
399 int gid_table_len[MLX4_MAX_PORTS + 1];
400 int pkey_table_len[MLX4_MAX_PORTS + 1];
401 int trans_type[MLX4_MAX_PORTS + 1];
402 int vendor_oui[MLX4_MAX_PORTS + 1];
403 int wavelength[MLX4_MAX_PORTS + 1];
404 u64 trans_code[MLX4_MAX_PORTS + 1];
405 int local_ca_ack_delay;
409 int bf_regs_per_page;
416 int max_qp_init_rdma;
417 int max_qp_dest_rdma;
432 int num_comp_vectors;
437 int fmr_reserved_mtts;
446 int fs_log_max_ucast_qp_range_size;
458 u16 stat_rate_support;
459 u8 port_width_cap[MLX4_MAX_PORTS + 1];
462 int reserved_qps_cnt[MLX4_NUM_QP_REGION];
464 int reserved_qps_base[MLX4_NUM_QP_REGION];
467 enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
468 u8 supported_type[MLX4_MAX_PORTS + 1];
469 u8 suggested_type[MLX4_MAX_PORTS + 1];
470 u8 default_sense[MLX4_MAX_PORTS + 1];
471 u32 port_mask[MLX4_MAX_PORTS + 1];
472 enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
474 u8 port_ib_mtu[MLX4_MAX_PORTS + 1];
479 u32 userspace_caps; /* userspace must be aware of these */
480 u32 function_caps; /* VFs must be aware of these */
482 u64 phys_port_id[MLX4_MAX_PORTS + 1];
483 int tunnel_offload_mode;
486 struct mlx4_buf_list {
492 struct mlx4_buf_list direct;
493 struct mlx4_buf_list *page_list;
506 MLX4_DB_PER_PAGE = PAGE_SIZE / 4
509 struct mlx4_db_pgdir {
510 struct list_head list;
511 DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
512 DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
513 unsigned long *bits[2];
518 struct mlx4_ib_user_db_page;
523 struct mlx4_db_pgdir *pgdir;
524 struct mlx4_ib_user_db_page *user_page;
531 struct mlx4_hwq_resources {
555 enum mlx4_mw_type type;
561 struct mlx4_mpt_entry *mpt;
563 dma_addr_t dma_handle;
573 struct list_head bf_list;
574 unsigned free_bf_bmap;
576 void __iomem *bf_map;
580 unsigned long offset;
582 struct mlx4_uar *uar;
587 void (*comp) (struct mlx4_cq *);
588 void (*event) (struct mlx4_cq *, enum mlx4_event);
590 struct mlx4_uar *uar;
603 struct completion free;
607 void (*event) (struct mlx4_qp *, enum mlx4_event);
612 struct completion free;
616 void (*event) (struct mlx4_srq *, enum mlx4_event);
624 struct completion free;
636 __be32 sl_tclass_flowlabel;
649 __be32 sl_tclass_flowlabel;
659 struct mlx4_eth_av eth;
662 struct mlx4_counter {
689 struct pci_dev *pdev;
691 unsigned long num_slaves;
692 struct mlx4_caps caps;
693 struct mlx4_phys_caps phys_caps;
694 struct mlx4_quotas quotas;
695 struct radix_tree_root qp_table_tree;
697 char board_id[MLX4_BOARD_ID_LEN];
700 int oper_log_mgm_entry_size;
701 u64 regid_promisc_array[MLX4_MAX_PORTS + 1];
702 u64 regid_allmulti_array[MLX4_MAX_PORTS + 1];
703 struct mlx4_vf_dev *dev_vfs;
739 } __packed port_change;
741 #define COMM_CHANNEL_BIT_ARRAY_SIZE 4
743 u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
744 } __packed comm_channel_arm;
749 } __packed mac_update;
752 } __packed flr_event;
754 __be16 current_temperature;
755 __be16 warning_threshold;
768 } __packed port_info;
771 __be32 tbl_entries_mask;
772 } __packed tbl_change_info;
774 } __packed port_mgmt_change;
781 struct mlx4_init_port_param {
795 #define mlx4_foreach_port(port, dev, type) \
796 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
797 if ((type) == (dev)->caps.port_mask[(port)])
799 #define mlx4_foreach_non_ib_transport_port(port, dev) \
800 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
801 if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
803 #define mlx4_foreach_ib_transport_port(port, dev) \
804 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
805 if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
806 ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
808 #define MLX4_INVALID_SLAVE_ID 0xFF
810 void handle_port_mgmt_change_event(struct work_struct *work);
812 static inline int mlx4_master_func_num(struct mlx4_dev *dev)
814 return dev->caps.function;
817 static inline int mlx4_is_master(struct mlx4_dev *dev)
819 return dev->flags & MLX4_FLAG_MASTER;
822 static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev)
824 return dev->phys_caps.base_sqpn + 8 +
825 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev);
828 static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
830 return (qpn < dev->phys_caps.base_sqpn + 8 +
831 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev));
834 static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
836 int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
838 if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
844 static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
846 return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
849 static inline int mlx4_is_slave(struct mlx4_dev *dev)
851 return dev->flags & MLX4_FLAG_SLAVE;
854 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
855 struct mlx4_buf *buf, gfp_t gfp);
856 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
857 static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
859 if (BITS_PER_LONG == 64 || buf->nbufs == 1)
860 return buf->direct.buf + offset;
862 return buf->page_list[offset >> PAGE_SHIFT].buf +
863 (offset & (PAGE_SIZE - 1));
866 int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
867 void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
868 int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
869 void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
871 int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
872 void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
873 int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node);
874 void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
876 int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
877 struct mlx4_mtt *mtt);
878 void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
879 u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
881 int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
882 int npages, int page_shift, struct mlx4_mr *mr);
883 int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
884 int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
885 int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
887 void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
888 int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
889 int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
890 int start_index, int npages, u64 *page_list);
891 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
892 struct mlx4_buf *buf, gfp_t gfp);
894 int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
896 void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
898 int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
899 int size, int max_direct);
900 void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
903 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
904 struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
905 unsigned vector, int collapsed, int timestamp_en);
906 void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
908 int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
909 void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
911 int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
913 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
915 int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
916 struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
917 void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
918 int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
919 int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
921 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
922 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
924 int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
925 int block_mcast_loopback, enum mlx4_protocol prot);
926 int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
927 enum mlx4_protocol prot);
928 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
929 u8 port, int block_mcast_loopback,
930 enum mlx4_protocol protocol, u64 *reg_id);
931 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
932 enum mlx4_protocol protocol, u64 reg_id);
935 MLX4_DOMAIN_UVERBS = 0x1000,
936 MLX4_DOMAIN_ETHTOOL = 0x2000,
937 MLX4_DOMAIN_RFS = 0x3000,
938 MLX4_DOMAIN_NIC = 0x5000,
941 enum mlx4_net_trans_rule_id {
942 MLX4_NET_TRANS_RULE_ID_ETH = 0,
943 MLX4_NET_TRANS_RULE_ID_IB,
944 MLX4_NET_TRANS_RULE_ID_IPV6,
945 MLX4_NET_TRANS_RULE_ID_IPV4,
946 MLX4_NET_TRANS_RULE_ID_TCP,
947 MLX4_NET_TRANS_RULE_ID_UDP,
948 MLX4_NET_TRANS_RULE_ID_VXLAN,
949 MLX4_NET_TRANS_RULE_NUM, /* should be last */
952 extern const u16 __sw_id_hw[];
954 static inline int map_hw_to_sw_id(u16 header_id)
958 for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
959 if (header_id == __sw_id_hw[i])
965 enum mlx4_net_trans_promisc_mode {
971 MLX4_FS_MODE_NUM, /* should be last */
974 struct mlx4_spec_eth {
975 u8 dst_mac[ETH_ALEN];
976 u8 dst_mac_msk[ETH_ALEN];
977 u8 src_mac[ETH_ALEN];
978 u8 src_mac_msk[ETH_ALEN];
979 u8 ether_type_enable;
985 struct mlx4_spec_tcp_udp {
992 struct mlx4_spec_ipv4 {
999 struct mlx4_spec_ib {
1006 struct mlx4_spec_vxlan {
1012 struct mlx4_spec_list {
1013 struct list_head list;
1014 enum mlx4_net_trans_rule_id id;
1016 struct mlx4_spec_eth eth;
1017 struct mlx4_spec_ib ib;
1018 struct mlx4_spec_ipv4 ipv4;
1019 struct mlx4_spec_tcp_udp tcp_udp;
1020 struct mlx4_spec_vxlan vxlan;
1024 enum mlx4_net_trans_hw_rule_queue {
1025 MLX4_NET_TRANS_Q_FIFO,
1026 MLX4_NET_TRANS_Q_LIFO,
1029 struct mlx4_net_trans_rule {
1030 struct list_head list;
1031 enum mlx4_net_trans_hw_rule_queue queue_mode;
1033 bool allow_loopback;
1034 enum mlx4_net_trans_promisc_mode promisc_mode;
1040 struct mlx4_net_trans_rule_hw_ctrl {
1052 struct mlx4_net_trans_rule_hw_ib {
1063 struct mlx4_net_trans_rule_hw_eth {
1076 u8 ether_type_enable;
1078 __be16 vlan_tag_msk;
1082 struct mlx4_net_trans_rule_hw_tcp_udp {
1089 __be16 dst_port_msk;
1093 __be16 src_port_msk;
1096 struct mlx4_net_trans_rule_hw_ipv4 {
1107 struct mlx4_net_trans_rule_hw_vxlan {
1123 struct mlx4_net_trans_rule_hw_eth eth;
1124 struct mlx4_net_trans_rule_hw_ib ib;
1125 struct mlx4_net_trans_rule_hw_ipv4 ipv4;
1126 struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
1127 struct mlx4_net_trans_rule_hw_vxlan vxlan;
1132 VXLAN_STEER_BY_OUTER_MAC = 1 << 0,
1133 VXLAN_STEER_BY_OUTER_VLAN = 1 << 1,
1134 VXLAN_STEER_BY_VSID_VNI = 1 << 2,
1135 VXLAN_STEER_BY_INNER_MAC = 1 << 3,
1136 VXLAN_STEER_BY_INNER_VLAN = 1 << 4,
1140 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
1141 enum mlx4_net_trans_promisc_mode mode);
1142 int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
1143 enum mlx4_net_trans_promisc_mode mode);
1144 int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1145 int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1146 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1147 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1148 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
1150 int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1151 void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1152 int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port);
1153 int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
1154 void mlx4_set_stats_bitmap(struct mlx4_dev *dev, u64 *stats_bitmap);
1155 int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
1156 u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
1157 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
1159 int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc);
1160 int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
1161 u8 *pg, u16 *ratelimit);
1162 int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
1163 int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
1164 int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
1165 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1166 void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1168 int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
1169 int npages, u64 iova, u32 *lkey, u32 *rkey);
1170 int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
1171 int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
1172 int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1173 void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
1174 u32 *lkey, u32 *rkey);
1175 int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1176 int mlx4_SYNC_TPT(struct mlx4_dev *dev);
1177 int mlx4_test_interrupts(struct mlx4_dev *dev);
1178 int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
1180 void mlx4_release_eq(struct mlx4_dev *dev, int vec);
1182 int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec);
1184 int mlx4_get_phys_port_id(struct mlx4_dev *dev);
1185 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
1186 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
1188 int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1189 void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1191 int mlx4_flow_attach(struct mlx4_dev *dev,
1192 struct mlx4_net_trans_rule *rule, u64 *reg_id);
1193 int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
1194 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
1195 enum mlx4_net_trans_promisc_mode flow_type);
1196 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
1197 enum mlx4_net_trans_rule_id id);
1198 int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);
1200 int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr,
1201 int port, int qpn, u16 prio, u64 *reg_id);
1203 void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
1206 int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);
1208 int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
1209 int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
1210 int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
1211 int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
1212 int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
1213 enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
1214 int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);
1216 void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
1217 __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);
1219 int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
1221 int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
1224 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
1227 cycle_t mlx4_read_clock(struct mlx4_dev *dev);
1229 struct mlx4_active_ports {
1230 DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
1232 /* Returns a bitmap of the physical ports which are assigned to slave */
1233 struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave);
1235 /* Returns the physical port that represents the virtual port of the slave, */
1236 /* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
1237 /* mapping is returned. */
1238 int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port);
1240 struct mlx4_slaves_pport {
1241 DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX);
1243 /* Returns a bitmap of all slaves that are assigned to port. */
1244 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
1247 /* Returns a bitmap of all slaves that are assigned exactly to all the */
1248 /* the ports that are set in crit_ports. */
1249 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
1250 struct mlx4_dev *dev,
1251 const struct mlx4_active_ports *crit_ports);
1253 /* Returns the slave's virtual port that represents the physical port. */
1254 int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);
1256 int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);
1258 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
1259 int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
1260 int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
1261 int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port,
1263 int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
1264 struct mlx4_mpt_entry ***mpt_entry);
1265 int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
1266 struct mlx4_mpt_entry **mpt_entry);
1267 int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
1269 int mlx4_mr_hw_change_access(struct mlx4_dev *dev,
1270 struct mlx4_mpt_entry *mpt_entry,
1272 void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev,
1273 struct mlx4_mpt_entry **mpt_entry);
1274 void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr);
1275 int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
1276 u64 iova, u64 size, int npages,
1277 int page_shift, struct mlx4_mpt_entry *mpt_entry);
1279 /* Returns true if running in low memory profile (kdump kernel) */
1280 static inline bool mlx4_low_memory_profile(void)
1282 return reset_devices;
1285 #endif /* MLX4_DEVICE_H */