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/timecounter.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
121 MLX4_STEERING_DMFS_A0_DEFAULT
,
122 MLX4_STEERING_DMFS_A0_DYNAMIC
,
123 MLX4_STEERING_DMFS_A0_STATIC
,
124 MLX4_STEERING_DMFS_A0_DISABLE
,
125 MLX4_STEERING_DMFS_A0_NOT_SUPPORTED
128 static inline const char *mlx4_steering_mode_str(int steering_mode
)
130 switch (steering_mode
) {
131 case MLX4_STEERING_MODE_A0
:
132 return "A0 steering";
134 case MLX4_STEERING_MODE_B0
:
135 return "B0 steering";
137 case MLX4_STEERING_MODE_DEVICE_MANAGED
:
138 return "Device managed flow steering";
141 return "Unrecognize steering mode";
146 MLX4_TUNNEL_OFFLOAD_MODE_NONE
,
147 MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
151 MLX4_DEV_CAP_FLAG_RC
= 1LL << 0,
152 MLX4_DEV_CAP_FLAG_UC
= 1LL << 1,
153 MLX4_DEV_CAP_FLAG_UD
= 1LL << 2,
154 MLX4_DEV_CAP_FLAG_XRC
= 1LL << 3,
155 MLX4_DEV_CAP_FLAG_SRQ
= 1LL << 6,
156 MLX4_DEV_CAP_FLAG_IPOIB_CSUM
= 1LL << 7,
157 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR
= 1LL << 8,
158 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR
= 1LL << 9,
159 MLX4_DEV_CAP_FLAG_DPDP
= 1LL << 12,
160 MLX4_DEV_CAP_FLAG_BLH
= 1LL << 15,
161 MLX4_DEV_CAP_FLAG_MEM_WINDOW
= 1LL << 16,
162 MLX4_DEV_CAP_FLAG_APM
= 1LL << 17,
163 MLX4_DEV_CAP_FLAG_ATOMIC
= 1LL << 18,
164 MLX4_DEV_CAP_FLAG_RAW_MCAST
= 1LL << 19,
165 MLX4_DEV_CAP_FLAG_UD_AV_PORT
= 1LL << 20,
166 MLX4_DEV_CAP_FLAG_UD_MCAST
= 1LL << 21,
167 MLX4_DEV_CAP_FLAG_IBOE
= 1LL << 30,
168 MLX4_DEV_CAP_FLAG_UC_LOOPBACK
= 1LL << 32,
169 MLX4_DEV_CAP_FLAG_FCS_KEEP
= 1LL << 34,
170 MLX4_DEV_CAP_FLAG_WOL_PORT1
= 1LL << 37,
171 MLX4_DEV_CAP_FLAG_WOL_PORT2
= 1LL << 38,
172 MLX4_DEV_CAP_FLAG_UDP_RSS
= 1LL << 40,
173 MLX4_DEV_CAP_FLAG_VEP_UC_STEER
= 1LL << 41,
174 MLX4_DEV_CAP_FLAG_VEP_MC_STEER
= 1LL << 42,
175 MLX4_DEV_CAP_FLAG_COUNTERS
= 1LL << 48,
176 MLX4_DEV_CAP_FLAG_SET_ETH_SCHED
= 1LL << 53,
177 MLX4_DEV_CAP_FLAG_SENSE_SUPPORT
= 1LL << 55,
178 MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV
= 1LL << 59,
179 MLX4_DEV_CAP_FLAG_64B_EQE
= 1LL << 61,
180 MLX4_DEV_CAP_FLAG_64B_CQE
= 1LL << 62
184 MLX4_DEV_CAP_FLAG2_RSS
= 1LL << 0,
185 MLX4_DEV_CAP_FLAG2_RSS_TOP
= 1LL << 1,
186 MLX4_DEV_CAP_FLAG2_RSS_XOR
= 1LL << 2,
187 MLX4_DEV_CAP_FLAG2_FS_EN
= 1LL << 3,
188 MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN
= 1LL << 4,
189 MLX4_DEV_CAP_FLAG2_TS
= 1LL << 5,
190 MLX4_DEV_CAP_FLAG2_VLAN_CONTROL
= 1LL << 6,
191 MLX4_DEV_CAP_FLAG2_FSM
= 1LL << 7,
192 MLX4_DEV_CAP_FLAG2_UPDATE_QP
= 1LL << 8,
193 MLX4_DEV_CAP_FLAG2_DMFS_IPOIB
= 1LL << 9,
194 MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS
= 1LL << 10,
195 MLX4_DEV_CAP_FLAG2_MAD_DEMUX
= 1LL << 11,
196 MLX4_DEV_CAP_FLAG2_CQE_STRIDE
= 1LL << 12,
197 MLX4_DEV_CAP_FLAG2_EQE_STRIDE
= 1LL << 13,
198 MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL
= 1LL << 14,
199 MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP
= 1LL << 15,
200 MLX4_DEV_CAP_FLAG2_CONFIG_DEV
= 1LL << 16,
201 MLX4_DEV_CAP_FLAG2_SYS_EQS
= 1LL << 17,
202 MLX4_DEV_CAP_FLAG2_80_VFS
= 1LL << 18,
203 MLX4_DEV_CAP_FLAG2_FS_A0
= 1LL << 19
207 MLX4_QUERY_FUNC_FLAGS_BF_RES_QP
= 1LL << 0,
208 MLX4_QUERY_FUNC_FLAGS_A0_RES_QP
= 1LL << 1
211 /* bit enums for an 8-bit flags field indicating special use
212 * QPs which require special handling in qp_reserve_range.
213 * Currently, this only includes QPs used by the ETH interface,
214 * where we expect to use blueflame. These QPs must not have
215 * bits 6 and 7 set in their qp number.
217 * This enum may use only bits 0..7.
220 MLX4_RESERVE_A0_QP
= 1 << 6,
221 MLX4_RESERVE_ETH_BF_QP
= 1 << 7,
225 MLX4_DEV_CAP_64B_EQE_ENABLED
= 1LL << 0,
226 MLX4_DEV_CAP_64B_CQE_ENABLED
= 1LL << 1,
227 MLX4_DEV_CAP_CQE_STRIDE_ENABLED
= 1LL << 2,
228 MLX4_DEV_CAP_EQE_STRIDE_ENABLED
= 1LL << 3
232 MLX4_USER_DEV_CAP_LARGE_CQE
= 1L << 0
236 MLX4_FUNC_CAP_64B_EQE_CQE
= 1L << 0,
237 MLX4_FUNC_CAP_EQE_CQE_STRIDE
= 1L << 1,
238 MLX4_FUNC_CAP_DMFS_A0_STATIC
= 1L << 2
242 #define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
245 MLX4_BMME_FLAG_WIN_TYPE_2B
= 1 << 1,
246 MLX4_BMME_FLAG_LOCAL_INV
= 1 << 6,
247 MLX4_BMME_FLAG_REMOTE_INV
= 1 << 7,
248 MLX4_BMME_FLAG_TYPE_2_WIN
= 1 << 9,
249 MLX4_BMME_FLAG_RESERVED_LKEY
= 1 << 10,
250 MLX4_BMME_FLAG_FAST_REG_WR
= 1 << 11,
251 MLX4_BMME_FLAG_VSD_INIT2RTR
= 1 << 28,
255 MLX4_EVENT_TYPE_COMP
= 0x00,
256 MLX4_EVENT_TYPE_PATH_MIG
= 0x01,
257 MLX4_EVENT_TYPE_COMM_EST
= 0x02,
258 MLX4_EVENT_TYPE_SQ_DRAINED
= 0x03,
259 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE
= 0x13,
260 MLX4_EVENT_TYPE_SRQ_LIMIT
= 0x14,
261 MLX4_EVENT_TYPE_CQ_ERROR
= 0x04,
262 MLX4_EVENT_TYPE_WQ_CATAS_ERROR
= 0x05,
263 MLX4_EVENT_TYPE_EEC_CATAS_ERROR
= 0x06,
264 MLX4_EVENT_TYPE_PATH_MIG_FAILED
= 0x07,
265 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR
= 0x10,
266 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR
= 0x11,
267 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR
= 0x12,
268 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR
= 0x08,
269 MLX4_EVENT_TYPE_PORT_CHANGE
= 0x09,
270 MLX4_EVENT_TYPE_EQ_OVERFLOW
= 0x0f,
271 MLX4_EVENT_TYPE_ECC_DETECT
= 0x0e,
272 MLX4_EVENT_TYPE_CMD
= 0x0a,
273 MLX4_EVENT_TYPE_VEP_UPDATE
= 0x19,
274 MLX4_EVENT_TYPE_COMM_CHANNEL
= 0x18,
275 MLX4_EVENT_TYPE_OP_REQUIRED
= 0x1a,
276 MLX4_EVENT_TYPE_FATAL_WARNING
= 0x1b,
277 MLX4_EVENT_TYPE_FLR_EVENT
= 0x1c,
278 MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT
= 0x1d,
279 MLX4_EVENT_TYPE_NONE
= 0xff,
283 MLX4_PORT_CHANGE_SUBTYPE_DOWN
= 1,
284 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE
= 4
288 MLX4_FATAL_WARNING_SUBTYPE_WARMING
= 0,
291 enum slave_port_state
{
297 enum slave_port_gen_event
{
298 SLAVE_PORT_GEN_EVENT_DOWN
= 0,
299 SLAVE_PORT_GEN_EVENT_UP
,
300 SLAVE_PORT_GEN_EVENT_NONE
,
303 enum slave_port_state_event
{
304 MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN
,
305 MLX4_PORT_STATE_DEV_EVENT_PORT_UP
,
306 MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID
,
307 MLX4_PORT_STATE_IB_EVENT_GID_INVALID
,
311 MLX4_PERM_LOCAL_READ
= 1 << 10,
312 MLX4_PERM_LOCAL_WRITE
= 1 << 11,
313 MLX4_PERM_REMOTE_READ
= 1 << 12,
314 MLX4_PERM_REMOTE_WRITE
= 1 << 13,
315 MLX4_PERM_ATOMIC
= 1 << 14,
316 MLX4_PERM_BIND_MW
= 1 << 15,
317 MLX4_PERM_MASK
= 0xFC00
321 MLX4_OPCODE_NOP
= 0x00,
322 MLX4_OPCODE_SEND_INVAL
= 0x01,
323 MLX4_OPCODE_RDMA_WRITE
= 0x08,
324 MLX4_OPCODE_RDMA_WRITE_IMM
= 0x09,
325 MLX4_OPCODE_SEND
= 0x0a,
326 MLX4_OPCODE_SEND_IMM
= 0x0b,
327 MLX4_OPCODE_LSO
= 0x0e,
328 MLX4_OPCODE_RDMA_READ
= 0x10,
329 MLX4_OPCODE_ATOMIC_CS
= 0x11,
330 MLX4_OPCODE_ATOMIC_FA
= 0x12,
331 MLX4_OPCODE_MASKED_ATOMIC_CS
= 0x14,
332 MLX4_OPCODE_MASKED_ATOMIC_FA
= 0x15,
333 MLX4_OPCODE_BIND_MW
= 0x18,
334 MLX4_OPCODE_FMR
= 0x19,
335 MLX4_OPCODE_LOCAL_INVAL
= 0x1b,
336 MLX4_OPCODE_CONFIG_CMD
= 0x1f,
338 MLX4_RECV_OPCODE_RDMA_WRITE_IMM
= 0x00,
339 MLX4_RECV_OPCODE_SEND
= 0x01,
340 MLX4_RECV_OPCODE_SEND_IMM
= 0x02,
341 MLX4_RECV_OPCODE_SEND_INVAL
= 0x03,
343 MLX4_CQE_OPCODE_ERROR
= 0x1e,
344 MLX4_CQE_OPCODE_RESIZE
= 0x16,
348 MLX4_STAT_RATE_OFFSET
= 5
352 MLX4_PROT_IB_IPV6
= 0,
359 MLX4_MTT_FLAG_PRESENT
= 1
362 enum mlx4_qp_region
{
363 MLX4_QP_REGION_FW
= 0,
364 MLX4_QP_REGION_RSS_RAW_ETH
,
365 MLX4_QP_REGION_BOTTOM
= MLX4_QP_REGION_RSS_RAW_ETH
,
366 MLX4_QP_REGION_ETH_ADDR
,
367 MLX4_QP_REGION_FC_ADDR
,
368 MLX4_QP_REGION_FC_EXCH
,
372 enum mlx4_port_type
{
373 MLX4_PORT_TYPE_NONE
= 0,
374 MLX4_PORT_TYPE_IB
= 1,
375 MLX4_PORT_TYPE_ETH
= 2,
376 MLX4_PORT_TYPE_AUTO
= 3
379 enum mlx4_special_vlan_idx
{
380 MLX4_NO_VLAN_IDX
= 0,
385 enum mlx4_steer_type
{
392 MLX4_NUM_FEXCH
= 64 * 1024,
396 MLX4_MAX_FAST_REG_PAGES
= 511,
400 MLX4_DEV_PMC_SUBTYPE_GUID_INFO
= 0x14,
401 MLX4_DEV_PMC_SUBTYPE_PORT_INFO
= 0x15,
402 MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE
= 0x16,
405 /* Port mgmt change event handling */
407 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK
= 1 << 0,
408 MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK
= 1 << 1,
409 MLX4_EQ_PORT_INFO_LID_CHANGE_MASK
= 1 << 2,
410 MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK
= 1 << 3,
411 MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK
= 1 << 4,
414 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
415 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
417 enum mlx4_module_id
{
418 MLX4_MODULE_ID_SFP
= 0x3,
419 MLX4_MODULE_ID_QSFP
= 0xC,
420 MLX4_MODULE_ID_QSFP_PLUS
= 0xD,
421 MLX4_MODULE_ID_QSFP28
= 0x11,
424 static inline u64
mlx4_fw_ver(u64 major
, u64 minor
, u64 subminor
)
426 return (major
<< 32) | (minor
<< 16) | subminor
;
429 struct mlx4_phys_caps
{
430 u32 gid_phys_table_len
[MLX4_MAX_PORTS
+ 1];
431 u32 pkey_phys_table_len
[MLX4_MAX_PORTS
+ 1];
435 u32 base_tunnel_sqpn
;
442 int vl_cap
[MLX4_MAX_PORTS
+ 1];
443 int ib_mtu_cap
[MLX4_MAX_PORTS
+ 1];
444 __be32 ib_port_def_cap
[MLX4_MAX_PORTS
+ 1];
445 u64 def_mac
[MLX4_MAX_PORTS
+ 1];
446 int eth_mtu_cap
[MLX4_MAX_PORTS
+ 1];
447 int gid_table_len
[MLX4_MAX_PORTS
+ 1];
448 int pkey_table_len
[MLX4_MAX_PORTS
+ 1];
449 int trans_type
[MLX4_MAX_PORTS
+ 1];
450 int vendor_oui
[MLX4_MAX_PORTS
+ 1];
451 int wavelength
[MLX4_MAX_PORTS
+ 1];
452 u64 trans_code
[MLX4_MAX_PORTS
+ 1];
453 int local_ca_ack_delay
;
457 int bf_regs_per_page
;
464 int max_qp_init_rdma
;
465 int max_qp_dest_rdma
;
481 int num_comp_vectors
;
486 int fmr_reserved_mtts
;
495 int dmfs_high_steer_mode
;
496 int fs_log_max_ucast_qp_range_size
;
508 u16 stat_rate_support
;
509 u8 port_width_cap
[MLX4_MAX_PORTS
+ 1];
512 int reserved_qps_cnt
[MLX4_NUM_QP_REGION
];
514 int reserved_qps_base
[MLX4_NUM_QP_REGION
];
517 enum mlx4_port_type port_type
[MLX4_MAX_PORTS
+ 1];
518 u8 supported_type
[MLX4_MAX_PORTS
+ 1];
519 u8 suggested_type
[MLX4_MAX_PORTS
+ 1];
520 u8 default_sense
[MLX4_MAX_PORTS
+ 1];
521 u32 port_mask
[MLX4_MAX_PORTS
+ 1];
522 enum mlx4_port_type possible_type
[MLX4_MAX_PORTS
+ 1];
524 u8 port_ib_mtu
[MLX4_MAX_PORTS
+ 1];
529 u32 userspace_caps
; /* userspace must be aware of these */
530 u32 function_caps
; /* VFs must be aware of these */
532 u64 phys_port_id
[MLX4_MAX_PORTS
+ 1];
533 int tunnel_offload_mode
;
534 u8 rx_checksum_flags_port
[MLX4_MAX_PORTS
+ 1];
535 u8 alloc_res_qp_mask
;
536 u32 dmfs_high_rate_qpn_base
;
537 u32 dmfs_high_rate_qpn_range
;
540 struct mlx4_buf_list
{
546 struct mlx4_buf_list direct
;
547 struct mlx4_buf_list
*page_list
;
560 MLX4_DB_PER_PAGE
= PAGE_SIZE
/ 4
563 struct mlx4_db_pgdir
{
564 struct list_head list
;
565 DECLARE_BITMAP(order0
, MLX4_DB_PER_PAGE
);
566 DECLARE_BITMAP(order1
, MLX4_DB_PER_PAGE
/ 2);
567 unsigned long *bits
[2];
572 struct mlx4_ib_user_db_page
;
577 struct mlx4_db_pgdir
*pgdir
;
578 struct mlx4_ib_user_db_page
*user_page
;
585 struct mlx4_hwq_resources
{
609 enum mlx4_mw_type type
;
615 struct mlx4_mpt_entry
*mpt
;
617 dma_addr_t dma_handle
;
627 struct list_head bf_list
;
628 unsigned free_bf_bmap
;
630 void __iomem
*bf_map
;
636 struct mlx4_uar
*uar
;
641 void (*comp
) (struct mlx4_cq
*);
642 void (*event
) (struct mlx4_cq
*, enum mlx4_event
);
644 struct mlx4_uar
*uar
;
657 struct completion free
;
659 struct list_head list
;
660 void (*comp
)(struct mlx4_cq
*);
666 void (*event
) (struct mlx4_qp
*, enum mlx4_event
);
671 struct completion free
;
675 void (*event
) (struct mlx4_srq
*, enum mlx4_event
);
683 struct completion free
;
695 __be32 sl_tclass_flowlabel
;
708 __be32 sl_tclass_flowlabel
;
718 struct mlx4_eth_av eth
;
721 struct mlx4_counter
{
747 struct mlx4_dev_persistent
{
748 struct pci_dev
*pdev
;
749 struct mlx4_dev
*dev
;
750 int nvfs
[MLX4_MAX_PORTS
+ 1];
752 enum mlx4_port_type curr_port_type
[MLX4_MAX_PORTS
+ 1];
753 enum mlx4_port_type curr_port_poss_type
[MLX4_MAX_PORTS
+ 1];
757 struct mlx4_dev_persistent
*persist
;
759 unsigned long num_slaves
;
760 struct mlx4_caps caps
;
761 struct mlx4_phys_caps phys_caps
;
762 struct mlx4_quotas quotas
;
763 struct radix_tree_root qp_table_tree
;
765 char board_id
[MLX4_BOARD_ID_LEN
];
767 int oper_log_mgm_entry_size
;
768 u64 regid_promisc_array
[MLX4_MAX_PORTS
+ 1];
769 u64 regid_allmulti_array
[MLX4_MAX_PORTS
+ 1];
770 struct mlx4_vf_dev
*dev_vfs
;
806 } __packed port_change
;
808 #define COMM_CHANNEL_BIT_ARRAY_SIZE 4
810 u32 bit_vec
[COMM_CHANNEL_BIT_ARRAY_SIZE
];
811 } __packed comm_channel_arm
;
816 } __packed mac_update
;
819 } __packed flr_event
;
821 __be16 current_temperature
;
822 __be16 warning_threshold
;
835 } __packed port_info
;
838 __be32 tbl_entries_mask
;
839 } __packed tbl_change_info
;
841 } __packed port_mgmt_change
;
848 struct mlx4_init_port_param
{
862 #define MAD_IFC_DATA_SZ 192
863 /* MAD IFC Mailbox */
864 struct mlx4_mad_ifc
{
870 __be16 class_specific
;
879 u8 data
[MAD_IFC_DATA_SZ
];
882 #define mlx4_foreach_port(port, dev, type) \
883 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
884 if ((type) == (dev)->caps.port_mask[(port)])
886 #define mlx4_foreach_non_ib_transport_port(port, dev) \
887 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
888 if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
890 #define mlx4_foreach_ib_transport_port(port, dev) \
891 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
892 if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
893 ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
895 #define MLX4_INVALID_SLAVE_ID 0xFF
897 void handle_port_mgmt_change_event(struct work_struct
*work
);
899 static inline int mlx4_master_func_num(struct mlx4_dev
*dev
)
901 return dev
->caps
.function
;
904 static inline int mlx4_is_master(struct mlx4_dev
*dev
)
906 return dev
->flags
& MLX4_FLAG_MASTER
;
909 static inline int mlx4_num_reserved_sqps(struct mlx4_dev
*dev
)
911 return dev
->phys_caps
.base_sqpn
+ 8 +
912 16 * MLX4_MFUNC_MAX
* !!mlx4_is_master(dev
);
915 static inline int mlx4_is_qp_reserved(struct mlx4_dev
*dev
, u32 qpn
)
917 return (qpn
< dev
->phys_caps
.base_sqpn
+ 8 +
918 16 * MLX4_MFUNC_MAX
* !!mlx4_is_master(dev
) &&
919 qpn
>= dev
->phys_caps
.base_sqpn
) ||
920 (qpn
< dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FW
]);
923 static inline int mlx4_is_guest_proxy(struct mlx4_dev
*dev
, int slave
, u32 qpn
)
925 int guest_proxy_base
= dev
->phys_caps
.base_proxy_sqpn
+ slave
* 8;
927 if (qpn
>= guest_proxy_base
&& qpn
< guest_proxy_base
+ 8)
933 static inline int mlx4_is_mfunc(struct mlx4_dev
*dev
)
935 return dev
->flags
& (MLX4_FLAG_SLAVE
| MLX4_FLAG_MASTER
);
938 static inline int mlx4_is_slave(struct mlx4_dev
*dev
)
940 return dev
->flags
& MLX4_FLAG_SLAVE
;
943 int mlx4_buf_alloc(struct mlx4_dev
*dev
, int size
, int max_direct
,
944 struct mlx4_buf
*buf
, gfp_t gfp
);
945 void mlx4_buf_free(struct mlx4_dev
*dev
, int size
, struct mlx4_buf
*buf
);
946 static inline void *mlx4_buf_offset(struct mlx4_buf
*buf
, int offset
)
948 if (BITS_PER_LONG
== 64 || buf
->nbufs
== 1)
949 return buf
->direct
.buf
+ offset
;
951 return buf
->page_list
[offset
>> PAGE_SHIFT
].buf
+
952 (offset
& (PAGE_SIZE
- 1));
955 int mlx4_pd_alloc(struct mlx4_dev
*dev
, u32
*pdn
);
956 void mlx4_pd_free(struct mlx4_dev
*dev
, u32 pdn
);
957 int mlx4_xrcd_alloc(struct mlx4_dev
*dev
, u32
*xrcdn
);
958 void mlx4_xrcd_free(struct mlx4_dev
*dev
, u32 xrcdn
);
960 int mlx4_uar_alloc(struct mlx4_dev
*dev
, struct mlx4_uar
*uar
);
961 void mlx4_uar_free(struct mlx4_dev
*dev
, struct mlx4_uar
*uar
);
962 int mlx4_bf_alloc(struct mlx4_dev
*dev
, struct mlx4_bf
*bf
, int node
);
963 void mlx4_bf_free(struct mlx4_dev
*dev
, struct mlx4_bf
*bf
);
965 int mlx4_mtt_init(struct mlx4_dev
*dev
, int npages
, int page_shift
,
966 struct mlx4_mtt
*mtt
);
967 void mlx4_mtt_cleanup(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
);
968 u64
mlx4_mtt_addr(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
);
970 int mlx4_mr_alloc(struct mlx4_dev
*dev
, u32 pd
, u64 iova
, u64 size
, u32 access
,
971 int npages
, int page_shift
, struct mlx4_mr
*mr
);
972 int mlx4_mr_free(struct mlx4_dev
*dev
, struct mlx4_mr
*mr
);
973 int mlx4_mr_enable(struct mlx4_dev
*dev
, struct mlx4_mr
*mr
);
974 int mlx4_mw_alloc(struct mlx4_dev
*dev
, u32 pd
, enum mlx4_mw_type type
,
976 void mlx4_mw_free(struct mlx4_dev
*dev
, struct mlx4_mw
*mw
);
977 int mlx4_mw_enable(struct mlx4_dev
*dev
, struct mlx4_mw
*mw
);
978 int mlx4_write_mtt(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
,
979 int start_index
, int npages
, u64
*page_list
);
980 int mlx4_buf_write_mtt(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
,
981 struct mlx4_buf
*buf
, gfp_t gfp
);
983 int mlx4_db_alloc(struct mlx4_dev
*dev
, struct mlx4_db
*db
, int order
,
985 void mlx4_db_free(struct mlx4_dev
*dev
, struct mlx4_db
*db
);
987 int mlx4_alloc_hwq_res(struct mlx4_dev
*dev
, struct mlx4_hwq_resources
*wqres
,
988 int size
, int max_direct
);
989 void mlx4_free_hwq_res(struct mlx4_dev
*mdev
, struct mlx4_hwq_resources
*wqres
,
992 int mlx4_cq_alloc(struct mlx4_dev
*dev
, int nent
, struct mlx4_mtt
*mtt
,
993 struct mlx4_uar
*uar
, u64 db_rec
, struct mlx4_cq
*cq
,
994 unsigned vector
, int collapsed
, int timestamp_en
);
995 void mlx4_cq_free(struct mlx4_dev
*dev
, struct mlx4_cq
*cq
);
996 int mlx4_qp_reserve_range(struct mlx4_dev
*dev
, int cnt
, int align
,
997 int *base
, u8 flags
);
998 void mlx4_qp_release_range(struct mlx4_dev
*dev
, int base_qpn
, int cnt
);
1000 int mlx4_qp_alloc(struct mlx4_dev
*dev
, int qpn
, struct mlx4_qp
*qp
,
1002 void mlx4_qp_free(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
);
1004 int mlx4_srq_alloc(struct mlx4_dev
*dev
, u32 pdn
, u32 cqn
, u16 xrcdn
,
1005 struct mlx4_mtt
*mtt
, u64 db_rec
, struct mlx4_srq
*srq
);
1006 void mlx4_srq_free(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
);
1007 int mlx4_srq_arm(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
, int limit_watermark
);
1008 int mlx4_srq_query(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
, int *limit_watermark
);
1010 int mlx4_INIT_PORT(struct mlx4_dev
*dev
, int port
);
1011 int mlx4_CLOSE_PORT(struct mlx4_dev
*dev
, int port
);
1013 int mlx4_unicast_attach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
1014 int block_mcast_loopback
, enum mlx4_protocol prot
);
1015 int mlx4_unicast_detach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
1016 enum mlx4_protocol prot
);
1017 int mlx4_multicast_attach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
1018 u8 port
, int block_mcast_loopback
,
1019 enum mlx4_protocol protocol
, u64
*reg_id
);
1020 int mlx4_multicast_detach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
1021 enum mlx4_protocol protocol
, u64 reg_id
);
1024 MLX4_DOMAIN_UVERBS
= 0x1000,
1025 MLX4_DOMAIN_ETHTOOL
= 0x2000,
1026 MLX4_DOMAIN_RFS
= 0x3000,
1027 MLX4_DOMAIN_NIC
= 0x5000,
1030 enum mlx4_net_trans_rule_id
{
1031 MLX4_NET_TRANS_RULE_ID_ETH
= 0,
1032 MLX4_NET_TRANS_RULE_ID_IB
,
1033 MLX4_NET_TRANS_RULE_ID_IPV6
,
1034 MLX4_NET_TRANS_RULE_ID_IPV4
,
1035 MLX4_NET_TRANS_RULE_ID_TCP
,
1036 MLX4_NET_TRANS_RULE_ID_UDP
,
1037 MLX4_NET_TRANS_RULE_ID_VXLAN
,
1038 MLX4_NET_TRANS_RULE_NUM
, /* should be last */
1041 extern const u16 __sw_id_hw
[];
1043 static inline int map_hw_to_sw_id(u16 header_id
)
1047 for (i
= 0; i
< MLX4_NET_TRANS_RULE_NUM
; i
++) {
1048 if (header_id
== __sw_id_hw
[i
])
1054 enum mlx4_net_trans_promisc_mode
{
1055 MLX4_FS_REGULAR
= 1,
1056 MLX4_FS_ALL_DEFAULT
,
1060 MLX4_FS_MODE_NUM
, /* should be last */
1063 struct mlx4_spec_eth
{
1064 u8 dst_mac
[ETH_ALEN
];
1065 u8 dst_mac_msk
[ETH_ALEN
];
1066 u8 src_mac
[ETH_ALEN
];
1067 u8 src_mac_msk
[ETH_ALEN
];
1068 u8 ether_type_enable
;
1074 struct mlx4_spec_tcp_udp
{
1076 __be16 dst_port_msk
;
1078 __be16 src_port_msk
;
1081 struct mlx4_spec_ipv4
{
1088 struct mlx4_spec_ib
{
1095 struct mlx4_spec_vxlan
{
1101 struct mlx4_spec_list
{
1102 struct list_head list
;
1103 enum mlx4_net_trans_rule_id id
;
1105 struct mlx4_spec_eth eth
;
1106 struct mlx4_spec_ib ib
;
1107 struct mlx4_spec_ipv4 ipv4
;
1108 struct mlx4_spec_tcp_udp tcp_udp
;
1109 struct mlx4_spec_vxlan vxlan
;
1113 enum mlx4_net_trans_hw_rule_queue
{
1114 MLX4_NET_TRANS_Q_FIFO
,
1115 MLX4_NET_TRANS_Q_LIFO
,
1118 struct mlx4_net_trans_rule
{
1119 struct list_head list
;
1120 enum mlx4_net_trans_hw_rule_queue queue_mode
;
1122 bool allow_loopback
;
1123 enum mlx4_net_trans_promisc_mode promisc_mode
;
1129 struct mlx4_net_trans_rule_hw_ctrl
{
1141 struct mlx4_net_trans_rule_hw_ib
{
1152 struct mlx4_net_trans_rule_hw_eth
{
1165 u8 ether_type_enable
;
1167 __be16 vlan_tag_msk
;
1171 struct mlx4_net_trans_rule_hw_tcp_udp
{
1178 __be16 dst_port_msk
;
1182 __be16 src_port_msk
;
1185 struct mlx4_net_trans_rule_hw_ipv4
{
1196 struct mlx4_net_trans_rule_hw_vxlan
{
1212 struct mlx4_net_trans_rule_hw_eth eth
;
1213 struct mlx4_net_trans_rule_hw_ib ib
;
1214 struct mlx4_net_trans_rule_hw_ipv4 ipv4
;
1215 struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp
;
1216 struct mlx4_net_trans_rule_hw_vxlan vxlan
;
1221 VXLAN_STEER_BY_OUTER_MAC
= 1 << 0,
1222 VXLAN_STEER_BY_OUTER_VLAN
= 1 << 1,
1223 VXLAN_STEER_BY_VSID_VNI
= 1 << 2,
1224 VXLAN_STEER_BY_INNER_MAC
= 1 << 3,
1225 VXLAN_STEER_BY_INNER_VLAN
= 1 << 4,
1229 int mlx4_flow_steer_promisc_add(struct mlx4_dev
*dev
, u8 port
, u32 qpn
,
1230 enum mlx4_net_trans_promisc_mode mode
);
1231 int mlx4_flow_steer_promisc_remove(struct mlx4_dev
*dev
, u8 port
,
1232 enum mlx4_net_trans_promisc_mode mode
);
1233 int mlx4_multicast_promisc_add(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
1234 int mlx4_multicast_promisc_remove(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
1235 int mlx4_unicast_promisc_add(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
1236 int mlx4_unicast_promisc_remove(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
1237 int mlx4_SET_MCAST_FLTR(struct mlx4_dev
*dev
, u8 port
, u64 mac
, u64 clear
, u8 mode
);
1239 int mlx4_register_mac(struct mlx4_dev
*dev
, u8 port
, u64 mac
);
1240 void mlx4_unregister_mac(struct mlx4_dev
*dev
, u8 port
, u64 mac
);
1241 int mlx4_get_base_qpn(struct mlx4_dev
*dev
, u8 port
);
1242 int __mlx4_replace_mac(struct mlx4_dev
*dev
, u8 port
, int qpn
, u64 new_mac
);
1243 void mlx4_set_stats_bitmap(struct mlx4_dev
*dev
, u64
*stats_bitmap
);
1244 int mlx4_SET_PORT_general(struct mlx4_dev
*dev
, u8 port
, int mtu
,
1245 u8 pptx
, u8 pfctx
, u8 pprx
, u8 pfcrx
);
1246 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev
*dev
, u8 port
, u32 base_qpn
,
1248 int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev
*dev
, u8 port
, u8
*prio2tc
);
1249 int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev
*dev
, u8 port
, u8
*tc_tx_bw
,
1250 u8
*pg
, u16
*ratelimit
);
1251 int mlx4_SET_PORT_VXLAN(struct mlx4_dev
*dev
, u8 port
, u8 steering
, int enable
);
1252 int mlx4_find_cached_mac(struct mlx4_dev
*dev
, u8 port
, u64 mac
, int *idx
);
1253 int mlx4_find_cached_vlan(struct mlx4_dev
*dev
, u8 port
, u16 vid
, int *idx
);
1254 int mlx4_register_vlan(struct mlx4_dev
*dev
, u8 port
, u16 vlan
, int *index
);
1255 void mlx4_unregister_vlan(struct mlx4_dev
*dev
, u8 port
, u16 vlan
);
1257 int mlx4_map_phys_fmr(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
, u64
*page_list
,
1258 int npages
, u64 iova
, u32
*lkey
, u32
*rkey
);
1259 int mlx4_fmr_alloc(struct mlx4_dev
*dev
, u32 pd
, u32 access
, int max_pages
,
1260 int max_maps
, u8 page_shift
, struct mlx4_fmr
*fmr
);
1261 int mlx4_fmr_enable(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
);
1262 void mlx4_fmr_unmap(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
,
1263 u32
*lkey
, u32
*rkey
);
1264 int mlx4_fmr_free(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
);
1265 int mlx4_SYNC_TPT(struct mlx4_dev
*dev
);
1266 int mlx4_test_interrupts(struct mlx4_dev
*dev
);
1267 int mlx4_assign_eq(struct mlx4_dev
*dev
, char *name
, struct cpu_rmap
*rmap
,
1269 void mlx4_release_eq(struct mlx4_dev
*dev
, int vec
);
1271 int mlx4_eq_get_irq(struct mlx4_dev
*dev
, int vec
);
1273 int mlx4_get_phys_port_id(struct mlx4_dev
*dev
);
1274 int mlx4_wol_read(struct mlx4_dev
*dev
, u64
*config
, int port
);
1275 int mlx4_wol_write(struct mlx4_dev
*dev
, u64 config
, int port
);
1277 int mlx4_counter_alloc(struct mlx4_dev
*dev
, u32
*idx
);
1278 void mlx4_counter_free(struct mlx4_dev
*dev
, u32 idx
);
1280 int mlx4_flow_attach(struct mlx4_dev
*dev
,
1281 struct mlx4_net_trans_rule
*rule
, u64
*reg_id
);
1282 int mlx4_flow_detach(struct mlx4_dev
*dev
, u64 reg_id
);
1283 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev
*dev
,
1284 enum mlx4_net_trans_promisc_mode flow_type
);
1285 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev
*dev
,
1286 enum mlx4_net_trans_rule_id id
);
1287 int mlx4_hw_rule_sz(struct mlx4_dev
*dev
, enum mlx4_net_trans_rule_id id
);
1289 int mlx4_tunnel_steer_add(struct mlx4_dev
*dev
, unsigned char *addr
,
1290 int port
, int qpn
, u16 prio
, u64
*reg_id
);
1292 void mlx4_sync_pkey_table(struct mlx4_dev
*dev
, int slave
, int port
,
1295 int mlx4_get_parav_qkey(struct mlx4_dev
*dev
, u32 qpn
, u32
*qkey
);
1297 int mlx4_is_slave_active(struct mlx4_dev
*dev
, int slave
);
1298 int mlx4_gen_pkey_eqe(struct mlx4_dev
*dev
, int slave
, u8 port
);
1299 int mlx4_gen_guid_change_eqe(struct mlx4_dev
*dev
, int slave
, u8 port
);
1300 int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev
*dev
, u8 port
, int attr
);
1301 int mlx4_gen_port_state_change_eqe(struct mlx4_dev
*dev
, int slave
, u8 port
, u8 port_subtype_change
);
1302 enum slave_port_state
mlx4_get_slave_port_state(struct mlx4_dev
*dev
, int slave
, u8 port
);
1303 int set_and_calc_slave_port_state(struct mlx4_dev
*dev
, int slave
, u8 port
, int event
, enum slave_port_gen_event
*gen_event
);
1305 void mlx4_put_slave_node_guid(struct mlx4_dev
*dev
, int slave
, __be64 guid
);
1306 __be64
mlx4_get_slave_node_guid(struct mlx4_dev
*dev
, int slave
);
1308 int mlx4_get_slave_from_roce_gid(struct mlx4_dev
*dev
, int port
, u8
*gid
,
1310 int mlx4_get_roce_gid_from_slave(struct mlx4_dev
*dev
, int port
, int slave_id
,
1313 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev
*dev
, u32 min_range_qpn
,
1316 cycle_t
mlx4_read_clock(struct mlx4_dev
*dev
);
1318 struct mlx4_active_ports
{
1319 DECLARE_BITMAP(ports
, MLX4_MAX_PORTS
);
1321 /* Returns a bitmap of the physical ports which are assigned to slave */
1322 struct mlx4_active_ports
mlx4_get_active_ports(struct mlx4_dev
*dev
, int slave
);
1324 /* Returns the physical port that represents the virtual port of the slave, */
1325 /* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
1326 /* mapping is returned. */
1327 int mlx4_slave_convert_port(struct mlx4_dev
*dev
, int slave
, int port
);
1329 struct mlx4_slaves_pport
{
1330 DECLARE_BITMAP(slaves
, MLX4_MFUNC_MAX
);
1332 /* Returns a bitmap of all slaves that are assigned to port. */
1333 struct mlx4_slaves_pport
mlx4_phys_to_slaves_pport(struct mlx4_dev
*dev
,
1336 /* Returns a bitmap of all slaves that are assigned exactly to all the */
1337 /* the ports that are set in crit_ports. */
1338 struct mlx4_slaves_pport
mlx4_phys_to_slaves_pport_actv(
1339 struct mlx4_dev
*dev
,
1340 const struct mlx4_active_ports
*crit_ports
);
1342 /* Returns the slave's virtual port that represents the physical port. */
1343 int mlx4_phys_to_slave_port(struct mlx4_dev
*dev
, int slave
, int port
);
1345 int mlx4_get_base_gid_ix(struct mlx4_dev
*dev
, int slave
, int port
);
1347 int mlx4_config_vxlan_port(struct mlx4_dev
*dev
, __be16 udp_port
);
1348 int mlx4_vf_smi_enabled(struct mlx4_dev
*dev
, int slave
, int port
);
1349 int mlx4_vf_get_enable_smi_admin(struct mlx4_dev
*dev
, int slave
, int port
);
1350 int mlx4_vf_set_enable_smi_admin(struct mlx4_dev
*dev
, int slave
, int port
,
1352 int mlx4_mr_hw_get_mpt(struct mlx4_dev
*dev
, struct mlx4_mr
*mmr
,
1353 struct mlx4_mpt_entry
***mpt_entry
);
1354 int mlx4_mr_hw_write_mpt(struct mlx4_dev
*dev
, struct mlx4_mr
*mmr
,
1355 struct mlx4_mpt_entry
**mpt_entry
);
1356 int mlx4_mr_hw_change_pd(struct mlx4_dev
*dev
, struct mlx4_mpt_entry
*mpt_entry
,
1358 int mlx4_mr_hw_change_access(struct mlx4_dev
*dev
,
1359 struct mlx4_mpt_entry
*mpt_entry
,
1361 void mlx4_mr_hw_put_mpt(struct mlx4_dev
*dev
,
1362 struct mlx4_mpt_entry
**mpt_entry
);
1363 void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev
*dev
, struct mlx4_mr
*mr
);
1364 int mlx4_mr_rereg_mem_write(struct mlx4_dev
*dev
, struct mlx4_mr
*mr
,
1365 u64 iova
, u64 size
, int npages
,
1366 int page_shift
, struct mlx4_mpt_entry
*mpt_entry
);
1368 int mlx4_get_module_info(struct mlx4_dev
*dev
, u8 port
,
1369 u16 offset
, u16 size
, u8
*data
);
1371 /* Returns true if running in low memory profile (kdump kernel) */
1372 static inline bool mlx4_low_memory_profile(void)
1374 return is_kdump_kernel();
1377 /* ACCESS REG commands */
1378 enum mlx4_access_reg_method
{
1379 MLX4_ACCESS_REG_QUERY
= 0x1,
1380 MLX4_ACCESS_REG_WRITE
= 0x2,
1383 /* ACCESS PTYS Reg command */
1384 enum mlx4_ptys_proto
{
1385 MLX4_PTYS_IB
= 1<<0,
1386 MLX4_PTYS_EN
= 1<<2,
1389 struct mlx4_ptys_reg
{
1395 __be32 eth_proto_cap
;
1396 __be16 ib_width_cap
;
1397 __be16 ib_speed_cap
;
1399 __be32 eth_proto_admin
;
1400 __be16 ib_width_admin
;
1401 __be16 ib_speed_admin
;
1403 __be32 eth_proto_oper
;
1404 __be16 ib_width_oper
;
1405 __be16 ib_speed_oper
;
1407 __be32 eth_proto_lp_adv
;
1410 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev
*dev
,
1411 enum mlx4_access_reg_method method
,
1412 struct mlx4_ptys_reg
*ptys_reg
);
1414 #endif /* MLX4_DEVICE_H */