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
51 #define MLX4_ROCE_MAX_GIDS 128
52 #define MLX4_ROCE_PF_GIDS 16
55 MLX4_FLAG_MSI_X
= 1 << 0,
56 MLX4_FLAG_OLD_PORT_CMDS
= 1 << 1,
57 MLX4_FLAG_MASTER
= 1 << 2,
58 MLX4_FLAG_SLAVE
= 1 << 3,
59 MLX4_FLAG_SRIOV
= 1 << 4,
60 MLX4_FLAG_OLD_REG_MAC
= 1 << 6,
64 MLX4_PORT_CAP_IS_SM
= 1 << 1,
65 MLX4_PORT_CAP_DEV_MGMT_SUP
= 1 << 19,
70 MLX4_MAX_PORT_PKEYS
= 128
73 /* base qkey for use in sriov tunnel-qp/proxy-qp communication.
74 * These qkeys must not be allowed for general use. This is a 64k range,
75 * and to test for violation, we use the mask (protect against future chg).
77 #define MLX4_RESERVED_QKEY_BASE (0xFFFF0000)
78 #define MLX4_RESERVED_QKEY_MASK (0xFFFF0000)
81 MLX4_BOARD_ID_LEN
= 64
87 MLX4_MAX_NUM_VF_P_PORT
= 64,
89 MLX4_MAX_EQ_NUM
= 1024,
90 MLX4_MFUNC_EQ_NUM
= 4,
91 MLX4_MFUNC_MAX_EQES
= 8,
92 MLX4_MFUNC_EQE_MASK
= (MLX4_MFUNC_MAX_EQES
- 1)
95 /* Driver supports 3 diffrent device methods to manage traffic steering:
96 * -device managed - High level API for ib and eth flow steering. FW is
97 * managing flow steering tables.
98 * - B0 steering mode - Common low level API for ib and (if supported) eth.
99 * - A0 steering mode - Limited low level API for eth. In case of IB,
103 MLX4_STEERING_MODE_A0
,
104 MLX4_STEERING_MODE_B0
,
105 MLX4_STEERING_MODE_DEVICE_MANAGED
108 static inline const char *mlx4_steering_mode_str(int steering_mode
)
110 switch (steering_mode
) {
111 case MLX4_STEERING_MODE_A0
:
112 return "A0 steering";
114 case MLX4_STEERING_MODE_B0
:
115 return "B0 steering";
117 case MLX4_STEERING_MODE_DEVICE_MANAGED
:
118 return "Device managed flow steering";
121 return "Unrecognize steering mode";
126 MLX4_TUNNEL_OFFLOAD_MODE_NONE
,
127 MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
131 MLX4_DEV_CAP_FLAG_RC
= 1LL << 0,
132 MLX4_DEV_CAP_FLAG_UC
= 1LL << 1,
133 MLX4_DEV_CAP_FLAG_UD
= 1LL << 2,
134 MLX4_DEV_CAP_FLAG_XRC
= 1LL << 3,
135 MLX4_DEV_CAP_FLAG_SRQ
= 1LL << 6,
136 MLX4_DEV_CAP_FLAG_IPOIB_CSUM
= 1LL << 7,
137 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR
= 1LL << 8,
138 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR
= 1LL << 9,
139 MLX4_DEV_CAP_FLAG_DPDP
= 1LL << 12,
140 MLX4_DEV_CAP_FLAG_BLH
= 1LL << 15,
141 MLX4_DEV_CAP_FLAG_MEM_WINDOW
= 1LL << 16,
142 MLX4_DEV_CAP_FLAG_APM
= 1LL << 17,
143 MLX4_DEV_CAP_FLAG_ATOMIC
= 1LL << 18,
144 MLX4_DEV_CAP_FLAG_RAW_MCAST
= 1LL << 19,
145 MLX4_DEV_CAP_FLAG_UD_AV_PORT
= 1LL << 20,
146 MLX4_DEV_CAP_FLAG_UD_MCAST
= 1LL << 21,
147 MLX4_DEV_CAP_FLAG_IBOE
= 1LL << 30,
148 MLX4_DEV_CAP_FLAG_UC_LOOPBACK
= 1LL << 32,
149 MLX4_DEV_CAP_FLAG_FCS_KEEP
= 1LL << 34,
150 MLX4_DEV_CAP_FLAG_WOL_PORT1
= 1LL << 37,
151 MLX4_DEV_CAP_FLAG_WOL_PORT2
= 1LL << 38,
152 MLX4_DEV_CAP_FLAG_UDP_RSS
= 1LL << 40,
153 MLX4_DEV_CAP_FLAG_VEP_UC_STEER
= 1LL << 41,
154 MLX4_DEV_CAP_FLAG_VEP_MC_STEER
= 1LL << 42,
155 MLX4_DEV_CAP_FLAG_COUNTERS
= 1LL << 48,
156 MLX4_DEV_CAP_FLAG_SET_ETH_SCHED
= 1LL << 53,
157 MLX4_DEV_CAP_FLAG_SENSE_SUPPORT
= 1LL << 55,
158 MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV
= 1LL << 59,
159 MLX4_DEV_CAP_FLAG_64B_EQE
= 1LL << 61,
160 MLX4_DEV_CAP_FLAG_64B_CQE
= 1LL << 62
164 MLX4_DEV_CAP_FLAG2_RSS
= 1LL << 0,
165 MLX4_DEV_CAP_FLAG2_RSS_TOP
= 1LL << 1,
166 MLX4_DEV_CAP_FLAG2_RSS_XOR
= 1LL << 2,
167 MLX4_DEV_CAP_FLAG2_FS_EN
= 1LL << 3,
168 MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN
= 1LL << 4,
169 MLX4_DEV_CAP_FLAG2_TS
= 1LL << 5,
170 MLX4_DEV_CAP_FLAG2_VLAN_CONTROL
= 1LL << 6,
171 MLX4_DEV_CAP_FLAG2_FSM
= 1LL << 7,
172 MLX4_DEV_CAP_FLAG2_UPDATE_QP
= 1LL << 8,
173 MLX4_DEV_CAP_FLAG2_DMFS_IPOIB
= 1LL << 9,
174 MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS
= 1LL << 10,
178 MLX4_DEV_CAP_64B_EQE_ENABLED
= 1LL << 0,
179 MLX4_DEV_CAP_64B_CQE_ENABLED
= 1LL << 1
183 MLX4_USER_DEV_CAP_64B_CQE
= 1L << 0
187 MLX4_FUNC_CAP_64B_EQE_CQE
= 1L << 0
191 #define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
194 MLX4_BMME_FLAG_WIN_TYPE_2B
= 1 << 1,
195 MLX4_BMME_FLAG_LOCAL_INV
= 1 << 6,
196 MLX4_BMME_FLAG_REMOTE_INV
= 1 << 7,
197 MLX4_BMME_FLAG_TYPE_2_WIN
= 1 << 9,
198 MLX4_BMME_FLAG_RESERVED_LKEY
= 1 << 10,
199 MLX4_BMME_FLAG_FAST_REG_WR
= 1 << 11,
203 MLX4_EVENT_TYPE_COMP
= 0x00,
204 MLX4_EVENT_TYPE_PATH_MIG
= 0x01,
205 MLX4_EVENT_TYPE_COMM_EST
= 0x02,
206 MLX4_EVENT_TYPE_SQ_DRAINED
= 0x03,
207 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE
= 0x13,
208 MLX4_EVENT_TYPE_SRQ_LIMIT
= 0x14,
209 MLX4_EVENT_TYPE_CQ_ERROR
= 0x04,
210 MLX4_EVENT_TYPE_WQ_CATAS_ERROR
= 0x05,
211 MLX4_EVENT_TYPE_EEC_CATAS_ERROR
= 0x06,
212 MLX4_EVENT_TYPE_PATH_MIG_FAILED
= 0x07,
213 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR
= 0x10,
214 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR
= 0x11,
215 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR
= 0x12,
216 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR
= 0x08,
217 MLX4_EVENT_TYPE_PORT_CHANGE
= 0x09,
218 MLX4_EVENT_TYPE_EQ_OVERFLOW
= 0x0f,
219 MLX4_EVENT_TYPE_ECC_DETECT
= 0x0e,
220 MLX4_EVENT_TYPE_CMD
= 0x0a,
221 MLX4_EVENT_TYPE_VEP_UPDATE
= 0x19,
222 MLX4_EVENT_TYPE_COMM_CHANNEL
= 0x18,
223 MLX4_EVENT_TYPE_OP_REQUIRED
= 0x1a,
224 MLX4_EVENT_TYPE_FATAL_WARNING
= 0x1b,
225 MLX4_EVENT_TYPE_FLR_EVENT
= 0x1c,
226 MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT
= 0x1d,
227 MLX4_EVENT_TYPE_NONE
= 0xff,
231 MLX4_PORT_CHANGE_SUBTYPE_DOWN
= 1,
232 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE
= 4
236 MLX4_FATAL_WARNING_SUBTYPE_WARMING
= 0,
239 enum slave_port_state
{
245 enum slave_port_gen_event
{
246 SLAVE_PORT_GEN_EVENT_DOWN
= 0,
247 SLAVE_PORT_GEN_EVENT_UP
,
248 SLAVE_PORT_GEN_EVENT_NONE
,
251 enum slave_port_state_event
{
252 MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN
,
253 MLX4_PORT_STATE_DEV_EVENT_PORT_UP
,
254 MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID
,
255 MLX4_PORT_STATE_IB_EVENT_GID_INVALID
,
259 MLX4_PERM_LOCAL_READ
= 1 << 10,
260 MLX4_PERM_LOCAL_WRITE
= 1 << 11,
261 MLX4_PERM_REMOTE_READ
= 1 << 12,
262 MLX4_PERM_REMOTE_WRITE
= 1 << 13,
263 MLX4_PERM_ATOMIC
= 1 << 14,
264 MLX4_PERM_BIND_MW
= 1 << 15,
268 MLX4_OPCODE_NOP
= 0x00,
269 MLX4_OPCODE_SEND_INVAL
= 0x01,
270 MLX4_OPCODE_RDMA_WRITE
= 0x08,
271 MLX4_OPCODE_RDMA_WRITE_IMM
= 0x09,
272 MLX4_OPCODE_SEND
= 0x0a,
273 MLX4_OPCODE_SEND_IMM
= 0x0b,
274 MLX4_OPCODE_LSO
= 0x0e,
275 MLX4_OPCODE_RDMA_READ
= 0x10,
276 MLX4_OPCODE_ATOMIC_CS
= 0x11,
277 MLX4_OPCODE_ATOMIC_FA
= 0x12,
278 MLX4_OPCODE_MASKED_ATOMIC_CS
= 0x14,
279 MLX4_OPCODE_MASKED_ATOMIC_FA
= 0x15,
280 MLX4_OPCODE_BIND_MW
= 0x18,
281 MLX4_OPCODE_FMR
= 0x19,
282 MLX4_OPCODE_LOCAL_INVAL
= 0x1b,
283 MLX4_OPCODE_CONFIG_CMD
= 0x1f,
285 MLX4_RECV_OPCODE_RDMA_WRITE_IMM
= 0x00,
286 MLX4_RECV_OPCODE_SEND
= 0x01,
287 MLX4_RECV_OPCODE_SEND_IMM
= 0x02,
288 MLX4_RECV_OPCODE_SEND_INVAL
= 0x03,
290 MLX4_CQE_OPCODE_ERROR
= 0x1e,
291 MLX4_CQE_OPCODE_RESIZE
= 0x16,
295 MLX4_STAT_RATE_OFFSET
= 5
299 MLX4_PROT_IB_IPV6
= 0,
306 MLX4_MTT_FLAG_PRESENT
= 1
309 enum mlx4_qp_region
{
310 MLX4_QP_REGION_FW
= 0,
311 MLX4_QP_REGION_ETH_ADDR
,
312 MLX4_QP_REGION_FC_ADDR
,
313 MLX4_QP_REGION_FC_EXCH
,
317 enum mlx4_port_type
{
318 MLX4_PORT_TYPE_NONE
= 0,
319 MLX4_PORT_TYPE_IB
= 1,
320 MLX4_PORT_TYPE_ETH
= 2,
321 MLX4_PORT_TYPE_AUTO
= 3
324 enum mlx4_special_vlan_idx
{
325 MLX4_NO_VLAN_IDX
= 0,
330 enum mlx4_steer_type
{
337 MLX4_NUM_FEXCH
= 64 * 1024,
341 MLX4_MAX_FAST_REG_PAGES
= 511,
345 MLX4_DEV_PMC_SUBTYPE_GUID_INFO
= 0x14,
346 MLX4_DEV_PMC_SUBTYPE_PORT_INFO
= 0x15,
347 MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE
= 0x16,
350 /* Port mgmt change event handling */
352 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK
= 1 << 0,
353 MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK
= 1 << 1,
354 MLX4_EQ_PORT_INFO_LID_CHANGE_MASK
= 1 << 2,
355 MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK
= 1 << 3,
356 MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK
= 1 << 4,
359 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
360 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
362 static inline u64
mlx4_fw_ver(u64 major
, u64 minor
, u64 subminor
)
364 return (major
<< 32) | (minor
<< 16) | subminor
;
367 struct mlx4_phys_caps
{
368 u32 gid_phys_table_len
[MLX4_MAX_PORTS
+ 1];
369 u32 pkey_phys_table_len
[MLX4_MAX_PORTS
+ 1];
373 u32 base_tunnel_sqpn
;
380 int vl_cap
[MLX4_MAX_PORTS
+ 1];
381 int ib_mtu_cap
[MLX4_MAX_PORTS
+ 1];
382 __be32 ib_port_def_cap
[MLX4_MAX_PORTS
+ 1];
383 u64 def_mac
[MLX4_MAX_PORTS
+ 1];
384 int eth_mtu_cap
[MLX4_MAX_PORTS
+ 1];
385 int gid_table_len
[MLX4_MAX_PORTS
+ 1];
386 int pkey_table_len
[MLX4_MAX_PORTS
+ 1];
387 int trans_type
[MLX4_MAX_PORTS
+ 1];
388 int vendor_oui
[MLX4_MAX_PORTS
+ 1];
389 int wavelength
[MLX4_MAX_PORTS
+ 1];
390 u64 trans_code
[MLX4_MAX_PORTS
+ 1];
391 int local_ca_ack_delay
;
395 int bf_regs_per_page
;
402 int max_qp_init_rdma
;
403 int max_qp_dest_rdma
;
418 int num_comp_vectors
;
423 int fmr_reserved_mtts
;
432 int fs_log_max_ucast_qp_range_size
;
444 u16 stat_rate_support
;
445 u8 port_width_cap
[MLX4_MAX_PORTS
+ 1];
448 int reserved_qps_cnt
[MLX4_NUM_QP_REGION
];
450 int reserved_qps_base
[MLX4_NUM_QP_REGION
];
453 enum mlx4_port_type port_type
[MLX4_MAX_PORTS
+ 1];
454 u8 supported_type
[MLX4_MAX_PORTS
+ 1];
455 u8 suggested_type
[MLX4_MAX_PORTS
+ 1];
456 u8 default_sense
[MLX4_MAX_PORTS
+ 1];
457 u32 port_mask
[MLX4_MAX_PORTS
+ 1];
458 enum mlx4_port_type possible_type
[MLX4_MAX_PORTS
+ 1];
460 u8 port_ib_mtu
[MLX4_MAX_PORTS
+ 1];
465 u32 userspace_caps
; /* userspace must be aware of these */
466 u32 function_caps
; /* VFs must be aware of these */
468 u64 phys_port_id
[MLX4_MAX_PORTS
+ 1];
469 int tunnel_offload_mode
;
472 struct mlx4_buf_list
{
478 struct mlx4_buf_list direct
;
479 struct mlx4_buf_list
*page_list
;
492 MLX4_DB_PER_PAGE
= PAGE_SIZE
/ 4
495 struct mlx4_db_pgdir
{
496 struct list_head list
;
497 DECLARE_BITMAP(order0
, MLX4_DB_PER_PAGE
);
498 DECLARE_BITMAP(order1
, MLX4_DB_PER_PAGE
/ 2);
499 unsigned long *bits
[2];
504 struct mlx4_ib_user_db_page
;
509 struct mlx4_db_pgdir
*pgdir
;
510 struct mlx4_ib_user_db_page
*user_page
;
517 struct mlx4_hwq_resources
{
541 enum mlx4_mw_type type
;
547 struct mlx4_mpt_entry
*mpt
;
549 dma_addr_t dma_handle
;
559 struct list_head bf_list
;
560 unsigned free_bf_bmap
;
562 void __iomem
*bf_map
;
566 unsigned long offset
;
568 struct mlx4_uar
*uar
;
573 void (*comp
) (struct mlx4_cq
*);
574 void (*event
) (struct mlx4_cq
*, enum mlx4_event
);
576 struct mlx4_uar
*uar
;
589 struct completion free
;
593 void (*event
) (struct mlx4_qp
*, enum mlx4_event
);
598 struct completion free
;
602 void (*event
) (struct mlx4_srq
*, enum mlx4_event
);
610 struct completion free
;
622 __be32 sl_tclass_flowlabel
;
635 __be32 sl_tclass_flowlabel
;
645 struct mlx4_eth_av eth
;
648 struct mlx4_counter
{
675 struct pci_dev
*pdev
;
677 unsigned long num_slaves
;
678 struct mlx4_caps caps
;
679 struct mlx4_phys_caps phys_caps
;
680 struct mlx4_quotas quotas
;
681 struct radix_tree_root qp_table_tree
;
683 char board_id
[MLX4_BOARD_ID_LEN
];
686 int oper_log_mgm_entry_size
;
687 u64 regid_promisc_array
[MLX4_MAX_PORTS
+ 1];
688 u64 regid_allmulti_array
[MLX4_MAX_PORTS
+ 1];
689 struct mlx4_vf_dev
*dev_vfs
;
725 } __packed port_change
;
727 #define COMM_CHANNEL_BIT_ARRAY_SIZE 4
729 u32 bit_vec
[COMM_CHANNEL_BIT_ARRAY_SIZE
];
730 } __packed comm_channel_arm
;
735 } __packed mac_update
;
738 } __packed flr_event
;
740 __be16 current_temperature
;
741 __be16 warning_threshold
;
754 } __packed port_info
;
757 __be32 tbl_entries_mask
;
758 } __packed tbl_change_info
;
760 } __packed port_mgmt_change
;
767 struct mlx4_init_port_param
{
781 #define mlx4_foreach_port(port, dev, type) \
782 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
783 if ((type) == (dev)->caps.port_mask[(port)])
785 #define mlx4_foreach_non_ib_transport_port(port, dev) \
786 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
787 if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
789 #define mlx4_foreach_ib_transport_port(port, dev) \
790 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
791 if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
792 ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
794 #define MLX4_INVALID_SLAVE_ID 0xFF
796 void handle_port_mgmt_change_event(struct work_struct
*work
);
798 static inline int mlx4_master_func_num(struct mlx4_dev
*dev
)
800 return dev
->caps
.function
;
803 static inline int mlx4_is_master(struct mlx4_dev
*dev
)
805 return dev
->flags
& MLX4_FLAG_MASTER
;
808 static inline int mlx4_num_reserved_sqps(struct mlx4_dev
*dev
)
810 return dev
->phys_caps
.base_sqpn
+ 8 +
811 16 * MLX4_MFUNC_MAX
* !!mlx4_is_master(dev
);
814 static inline int mlx4_is_qp_reserved(struct mlx4_dev
*dev
, u32 qpn
)
816 return (qpn
< dev
->phys_caps
.base_sqpn
+ 8 +
817 16 * MLX4_MFUNC_MAX
* !!mlx4_is_master(dev
));
820 static inline int mlx4_is_guest_proxy(struct mlx4_dev
*dev
, int slave
, u32 qpn
)
822 int guest_proxy_base
= dev
->phys_caps
.base_proxy_sqpn
+ slave
* 8;
824 if (qpn
>= guest_proxy_base
&& qpn
< guest_proxy_base
+ 8)
830 static inline int mlx4_is_mfunc(struct mlx4_dev
*dev
)
832 return dev
->flags
& (MLX4_FLAG_SLAVE
| MLX4_FLAG_MASTER
);
835 static inline int mlx4_is_slave(struct mlx4_dev
*dev
)
837 return dev
->flags
& MLX4_FLAG_SLAVE
;
840 int mlx4_buf_alloc(struct mlx4_dev
*dev
, int size
, int max_direct
,
841 struct mlx4_buf
*buf
, gfp_t gfp
);
842 void mlx4_buf_free(struct mlx4_dev
*dev
, int size
, struct mlx4_buf
*buf
);
843 static inline void *mlx4_buf_offset(struct mlx4_buf
*buf
, int offset
)
845 if (BITS_PER_LONG
== 64 || buf
->nbufs
== 1)
846 return buf
->direct
.buf
+ offset
;
848 return buf
->page_list
[offset
>> PAGE_SHIFT
].buf
+
849 (offset
& (PAGE_SIZE
- 1));
852 int mlx4_pd_alloc(struct mlx4_dev
*dev
, u32
*pdn
);
853 void mlx4_pd_free(struct mlx4_dev
*dev
, u32 pdn
);
854 int mlx4_xrcd_alloc(struct mlx4_dev
*dev
, u32
*xrcdn
);
855 void mlx4_xrcd_free(struct mlx4_dev
*dev
, u32 xrcdn
);
857 int mlx4_uar_alloc(struct mlx4_dev
*dev
, struct mlx4_uar
*uar
);
858 void mlx4_uar_free(struct mlx4_dev
*dev
, struct mlx4_uar
*uar
);
859 int mlx4_bf_alloc(struct mlx4_dev
*dev
, struct mlx4_bf
*bf
, int node
);
860 void mlx4_bf_free(struct mlx4_dev
*dev
, struct mlx4_bf
*bf
);
862 int mlx4_mtt_init(struct mlx4_dev
*dev
, int npages
, int page_shift
,
863 struct mlx4_mtt
*mtt
);
864 void mlx4_mtt_cleanup(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
);
865 u64
mlx4_mtt_addr(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
);
867 int mlx4_mr_alloc(struct mlx4_dev
*dev
, u32 pd
, u64 iova
, u64 size
, u32 access
,
868 int npages
, int page_shift
, struct mlx4_mr
*mr
);
869 int mlx4_mr_free(struct mlx4_dev
*dev
, struct mlx4_mr
*mr
);
870 int mlx4_mr_enable(struct mlx4_dev
*dev
, struct mlx4_mr
*mr
);
871 int mlx4_mw_alloc(struct mlx4_dev
*dev
, u32 pd
, enum mlx4_mw_type type
,
873 void mlx4_mw_free(struct mlx4_dev
*dev
, struct mlx4_mw
*mw
);
874 int mlx4_mw_enable(struct mlx4_dev
*dev
, struct mlx4_mw
*mw
);
875 int mlx4_write_mtt(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
,
876 int start_index
, int npages
, u64
*page_list
);
877 int mlx4_buf_write_mtt(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
,
878 struct mlx4_buf
*buf
, gfp_t gfp
);
880 int mlx4_db_alloc(struct mlx4_dev
*dev
, struct mlx4_db
*db
, int order
,
882 void mlx4_db_free(struct mlx4_dev
*dev
, struct mlx4_db
*db
);
884 int mlx4_alloc_hwq_res(struct mlx4_dev
*dev
, struct mlx4_hwq_resources
*wqres
,
885 int size
, int max_direct
);
886 void mlx4_free_hwq_res(struct mlx4_dev
*mdev
, struct mlx4_hwq_resources
*wqres
,
889 int mlx4_cq_alloc(struct mlx4_dev
*dev
, int nent
, struct mlx4_mtt
*mtt
,
890 struct mlx4_uar
*uar
, u64 db_rec
, struct mlx4_cq
*cq
,
891 unsigned vector
, int collapsed
, int timestamp_en
);
892 void mlx4_cq_free(struct mlx4_dev
*dev
, struct mlx4_cq
*cq
);
894 int mlx4_qp_reserve_range(struct mlx4_dev
*dev
, int cnt
, int align
, int *base
);
895 void mlx4_qp_release_range(struct mlx4_dev
*dev
, int base_qpn
, int cnt
);
897 int mlx4_qp_alloc(struct mlx4_dev
*dev
, int qpn
, struct mlx4_qp
*qp
,
899 void mlx4_qp_free(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
);
901 int mlx4_srq_alloc(struct mlx4_dev
*dev
, u32 pdn
, u32 cqn
, u16 xrcdn
,
902 struct mlx4_mtt
*mtt
, u64 db_rec
, struct mlx4_srq
*srq
);
903 void mlx4_srq_free(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
);
904 int mlx4_srq_arm(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
, int limit_watermark
);
905 int mlx4_srq_query(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
, int *limit_watermark
);
907 int mlx4_INIT_PORT(struct mlx4_dev
*dev
, int port
);
908 int mlx4_CLOSE_PORT(struct mlx4_dev
*dev
, int port
);
910 int mlx4_unicast_attach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
911 int block_mcast_loopback
, enum mlx4_protocol prot
);
912 int mlx4_unicast_detach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
913 enum mlx4_protocol prot
);
914 int mlx4_multicast_attach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
915 u8 port
, int block_mcast_loopback
,
916 enum mlx4_protocol protocol
, u64
*reg_id
);
917 int mlx4_multicast_detach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
918 enum mlx4_protocol protocol
, u64 reg_id
);
921 MLX4_DOMAIN_UVERBS
= 0x1000,
922 MLX4_DOMAIN_ETHTOOL
= 0x2000,
923 MLX4_DOMAIN_RFS
= 0x3000,
924 MLX4_DOMAIN_NIC
= 0x5000,
927 enum mlx4_net_trans_rule_id
{
928 MLX4_NET_TRANS_RULE_ID_ETH
= 0,
929 MLX4_NET_TRANS_RULE_ID_IB
,
930 MLX4_NET_TRANS_RULE_ID_IPV6
,
931 MLX4_NET_TRANS_RULE_ID_IPV4
,
932 MLX4_NET_TRANS_RULE_ID_TCP
,
933 MLX4_NET_TRANS_RULE_ID_UDP
,
934 MLX4_NET_TRANS_RULE_ID_VXLAN
,
935 MLX4_NET_TRANS_RULE_NUM
, /* should be last */
938 extern const u16 __sw_id_hw
[];
940 static inline int map_hw_to_sw_id(u16 header_id
)
944 for (i
= 0; i
< MLX4_NET_TRANS_RULE_NUM
; i
++) {
945 if (header_id
== __sw_id_hw
[i
])
951 enum mlx4_net_trans_promisc_mode
{
957 MLX4_FS_MODE_NUM
, /* should be last */
960 struct mlx4_spec_eth
{
961 u8 dst_mac
[ETH_ALEN
];
962 u8 dst_mac_msk
[ETH_ALEN
];
963 u8 src_mac
[ETH_ALEN
];
964 u8 src_mac_msk
[ETH_ALEN
];
965 u8 ether_type_enable
;
971 struct mlx4_spec_tcp_udp
{
978 struct mlx4_spec_ipv4
{
985 struct mlx4_spec_ib
{
992 struct mlx4_spec_vxlan
{
998 struct mlx4_spec_list
{
999 struct list_head list
;
1000 enum mlx4_net_trans_rule_id id
;
1002 struct mlx4_spec_eth eth
;
1003 struct mlx4_spec_ib ib
;
1004 struct mlx4_spec_ipv4 ipv4
;
1005 struct mlx4_spec_tcp_udp tcp_udp
;
1006 struct mlx4_spec_vxlan vxlan
;
1010 enum mlx4_net_trans_hw_rule_queue
{
1011 MLX4_NET_TRANS_Q_FIFO
,
1012 MLX4_NET_TRANS_Q_LIFO
,
1015 struct mlx4_net_trans_rule
{
1016 struct list_head list
;
1017 enum mlx4_net_trans_hw_rule_queue queue_mode
;
1019 bool allow_loopback
;
1020 enum mlx4_net_trans_promisc_mode promisc_mode
;
1026 struct mlx4_net_trans_rule_hw_ctrl
{
1038 struct mlx4_net_trans_rule_hw_ib
{
1049 struct mlx4_net_trans_rule_hw_eth
{
1062 u8 ether_type_enable
;
1064 __be16 vlan_tag_msk
;
1068 struct mlx4_net_trans_rule_hw_tcp_udp
{
1075 __be16 dst_port_msk
;
1079 __be16 src_port_msk
;
1082 struct mlx4_net_trans_rule_hw_ipv4
{
1093 struct mlx4_net_trans_rule_hw_vxlan
{
1109 struct mlx4_net_trans_rule_hw_eth eth
;
1110 struct mlx4_net_trans_rule_hw_ib ib
;
1111 struct mlx4_net_trans_rule_hw_ipv4 ipv4
;
1112 struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp
;
1113 struct mlx4_net_trans_rule_hw_vxlan vxlan
;
1118 VXLAN_STEER_BY_OUTER_MAC
= 1 << 0,
1119 VXLAN_STEER_BY_OUTER_VLAN
= 1 << 1,
1120 VXLAN_STEER_BY_VSID_VNI
= 1 << 2,
1121 VXLAN_STEER_BY_INNER_MAC
= 1 << 3,
1122 VXLAN_STEER_BY_INNER_VLAN
= 1 << 4,
1126 int mlx4_flow_steer_promisc_add(struct mlx4_dev
*dev
, u8 port
, u32 qpn
,
1127 enum mlx4_net_trans_promisc_mode mode
);
1128 int mlx4_flow_steer_promisc_remove(struct mlx4_dev
*dev
, u8 port
,
1129 enum mlx4_net_trans_promisc_mode mode
);
1130 int mlx4_multicast_promisc_add(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
1131 int mlx4_multicast_promisc_remove(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
1132 int mlx4_unicast_promisc_add(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
1133 int mlx4_unicast_promisc_remove(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
1134 int mlx4_SET_MCAST_FLTR(struct mlx4_dev
*dev
, u8 port
, u64 mac
, u64 clear
, u8 mode
);
1136 int mlx4_register_mac(struct mlx4_dev
*dev
, u8 port
, u64 mac
);
1137 void mlx4_unregister_mac(struct mlx4_dev
*dev
, u8 port
, u64 mac
);
1138 int mlx4_get_base_qpn(struct mlx4_dev
*dev
, u8 port
);
1139 int __mlx4_replace_mac(struct mlx4_dev
*dev
, u8 port
, int qpn
, u64 new_mac
);
1140 void mlx4_set_stats_bitmap(struct mlx4_dev
*dev
, u64
*stats_bitmap
);
1141 int mlx4_SET_PORT_general(struct mlx4_dev
*dev
, u8 port
, int mtu
,
1142 u8 pptx
, u8 pfctx
, u8 pprx
, u8 pfcrx
);
1143 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev
*dev
, u8 port
, u32 base_qpn
,
1145 int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev
*dev
, u8 port
, u8
*prio2tc
);
1146 int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev
*dev
, u8 port
, u8
*tc_tx_bw
,
1147 u8
*pg
, u16
*ratelimit
);
1148 int mlx4_SET_PORT_VXLAN(struct mlx4_dev
*dev
, u8 port
, u8 steering
, int enable
);
1149 int mlx4_find_cached_mac(struct mlx4_dev
*dev
, u8 port
, u64 mac
, int *idx
);
1150 int mlx4_find_cached_vlan(struct mlx4_dev
*dev
, u8 port
, u16 vid
, int *idx
);
1151 int mlx4_register_vlan(struct mlx4_dev
*dev
, u8 port
, u16 vlan
, int *index
);
1152 void mlx4_unregister_vlan(struct mlx4_dev
*dev
, u8 port
, u16 vlan
);
1154 int mlx4_map_phys_fmr(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
, u64
*page_list
,
1155 int npages
, u64 iova
, u32
*lkey
, u32
*rkey
);
1156 int mlx4_fmr_alloc(struct mlx4_dev
*dev
, u32 pd
, u32 access
, int max_pages
,
1157 int max_maps
, u8 page_shift
, struct mlx4_fmr
*fmr
);
1158 int mlx4_fmr_enable(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
);
1159 void mlx4_fmr_unmap(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
,
1160 u32
*lkey
, u32
*rkey
);
1161 int mlx4_fmr_free(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
);
1162 int mlx4_SYNC_TPT(struct mlx4_dev
*dev
);
1163 int mlx4_test_interrupts(struct mlx4_dev
*dev
);
1164 int mlx4_assign_eq(struct mlx4_dev
*dev
, char *name
, struct cpu_rmap
*rmap
,
1166 void mlx4_release_eq(struct mlx4_dev
*dev
, int vec
);
1168 int mlx4_eq_get_irq(struct mlx4_dev
*dev
, int vec
);
1170 int mlx4_get_phys_port_id(struct mlx4_dev
*dev
);
1171 int mlx4_wol_read(struct mlx4_dev
*dev
, u64
*config
, int port
);
1172 int mlx4_wol_write(struct mlx4_dev
*dev
, u64 config
, int port
);
1174 int mlx4_counter_alloc(struct mlx4_dev
*dev
, u32
*idx
);
1175 void mlx4_counter_free(struct mlx4_dev
*dev
, u32 idx
);
1177 int mlx4_flow_attach(struct mlx4_dev
*dev
,
1178 struct mlx4_net_trans_rule
*rule
, u64
*reg_id
);
1179 int mlx4_flow_detach(struct mlx4_dev
*dev
, u64 reg_id
);
1180 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev
*dev
,
1181 enum mlx4_net_trans_promisc_mode flow_type
);
1182 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev
*dev
,
1183 enum mlx4_net_trans_rule_id id
);
1184 int mlx4_hw_rule_sz(struct mlx4_dev
*dev
, enum mlx4_net_trans_rule_id id
);
1186 void mlx4_sync_pkey_table(struct mlx4_dev
*dev
, int slave
, int port
,
1189 int mlx4_get_parav_qkey(struct mlx4_dev
*dev
, u32 qpn
, u32
*qkey
);
1191 int mlx4_is_slave_active(struct mlx4_dev
*dev
, int slave
);
1192 int mlx4_gen_pkey_eqe(struct mlx4_dev
*dev
, int slave
, u8 port
);
1193 int mlx4_gen_guid_change_eqe(struct mlx4_dev
*dev
, int slave
, u8 port
);
1194 int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev
*dev
, u8 port
, int attr
);
1195 int mlx4_gen_port_state_change_eqe(struct mlx4_dev
*dev
, int slave
, u8 port
, u8 port_subtype_change
);
1196 enum slave_port_state
mlx4_get_slave_port_state(struct mlx4_dev
*dev
, int slave
, u8 port
);
1197 int set_and_calc_slave_port_state(struct mlx4_dev
*dev
, int slave
, u8 port
, int event
, enum slave_port_gen_event
*gen_event
);
1199 void mlx4_put_slave_node_guid(struct mlx4_dev
*dev
, int slave
, __be64 guid
);
1200 __be64
mlx4_get_slave_node_guid(struct mlx4_dev
*dev
, int slave
);
1202 int mlx4_get_slave_from_roce_gid(struct mlx4_dev
*dev
, int port
, u8
*gid
,
1204 int mlx4_get_roce_gid_from_slave(struct mlx4_dev
*dev
, int port
, int slave_id
,
1207 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev
*dev
, u32 min_range_qpn
,
1210 cycle_t
mlx4_read_clock(struct mlx4_dev
*dev
);
1212 struct mlx4_active_ports
{
1213 DECLARE_BITMAP(ports
, MLX4_MAX_PORTS
);
1215 /* Returns a bitmap of the physical ports which are assigned to slave */
1216 struct mlx4_active_ports
mlx4_get_active_ports(struct mlx4_dev
*dev
, int slave
);
1218 /* Returns the physical port that represents the virtual port of the slave, */
1219 /* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
1220 /* mapping is returned. */
1221 int mlx4_slave_convert_port(struct mlx4_dev
*dev
, int slave
, int port
);
1223 struct mlx4_slaves_pport
{
1224 DECLARE_BITMAP(slaves
, MLX4_MFUNC_MAX
);
1226 /* Returns a bitmap of all slaves that are assigned to port. */
1227 struct mlx4_slaves_pport
mlx4_phys_to_slaves_pport(struct mlx4_dev
*dev
,
1230 /* Returns a bitmap of all slaves that are assigned exactly to all the */
1231 /* the ports that are set in crit_ports. */
1232 struct mlx4_slaves_pport
mlx4_phys_to_slaves_pport_actv(
1233 struct mlx4_dev
*dev
,
1234 const struct mlx4_active_ports
*crit_ports
);
1236 /* Returns the slave's virtual port that represents the physical port. */
1237 int mlx4_phys_to_slave_port(struct mlx4_dev
*dev
, int slave
, int port
);
1239 int mlx4_get_base_gid_ix(struct mlx4_dev
*dev
, int slave
, int port
);
1241 int mlx4_config_vxlan_port(struct mlx4_dev
*dev
, __be16 udp_port
);
1242 int mlx4_vf_smi_enabled(struct mlx4_dev
*dev
, int slave
, int port
);
1243 int mlx4_vf_get_enable_smi_admin(struct mlx4_dev
*dev
, int slave
, int port
);
1244 int mlx4_vf_set_enable_smi_admin(struct mlx4_dev
*dev
, int slave
, int port
,
1246 #endif /* MLX4_DEVICE_H */