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/pci.h>
37 #include <linux/completion.h>
38 #include <linux/radix-tree.h>
40 #include <linux/atomic.h>
42 #define MAX_MSIX_P_PORT 17
44 #define MSIX_LEGACY_SZ 4
45 #define MIN_MSIX_P_PORT 5
48 MLX4_FLAG_MSI_X
= 1 << 0,
49 MLX4_FLAG_OLD_PORT_CMDS
= 1 << 1,
57 MLX4_BOARD_ID_LEN
= 64
61 MLX4_DEV_CAP_FLAG_RC
= 1LL << 0,
62 MLX4_DEV_CAP_FLAG_UC
= 1LL << 1,
63 MLX4_DEV_CAP_FLAG_UD
= 1LL << 2,
64 MLX4_DEV_CAP_FLAG_SRQ
= 1LL << 6,
65 MLX4_DEV_CAP_FLAG_IPOIB_CSUM
= 1LL << 7,
66 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR
= 1LL << 8,
67 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR
= 1LL << 9,
68 MLX4_DEV_CAP_FLAG_DPDP
= 1LL << 12,
69 MLX4_DEV_CAP_FLAG_BLH
= 1LL << 15,
70 MLX4_DEV_CAP_FLAG_MEM_WINDOW
= 1LL << 16,
71 MLX4_DEV_CAP_FLAG_APM
= 1LL << 17,
72 MLX4_DEV_CAP_FLAG_ATOMIC
= 1LL << 18,
73 MLX4_DEV_CAP_FLAG_RAW_MCAST
= 1LL << 19,
74 MLX4_DEV_CAP_FLAG_UD_AV_PORT
= 1LL << 20,
75 MLX4_DEV_CAP_FLAG_UD_MCAST
= 1LL << 21,
76 MLX4_DEV_CAP_FLAG_IBOE
= 1LL << 30,
77 MLX4_DEV_CAP_FLAG_UC_LOOPBACK
= 1LL << 32,
78 MLX4_DEV_CAP_FLAG_WOL
= 1LL << 38,
79 MLX4_DEV_CAP_FLAG_UDP_RSS
= 1LL << 40,
80 MLX4_DEV_CAP_FLAG_VEP_UC_STEER
= 1LL << 41,
81 MLX4_DEV_CAP_FLAG_VEP_MC_STEER
= 1LL << 42,
82 MLX4_DEV_CAP_FLAG_COUNTERS
= 1LL << 48
86 MLX4_BMME_FLAG_LOCAL_INV
= 1 << 6,
87 MLX4_BMME_FLAG_REMOTE_INV
= 1 << 7,
88 MLX4_BMME_FLAG_TYPE_2_WIN
= 1 << 9,
89 MLX4_BMME_FLAG_RESERVED_LKEY
= 1 << 10,
90 MLX4_BMME_FLAG_FAST_REG_WR
= 1 << 11,
94 MLX4_EVENT_TYPE_COMP
= 0x00,
95 MLX4_EVENT_TYPE_PATH_MIG
= 0x01,
96 MLX4_EVENT_TYPE_COMM_EST
= 0x02,
97 MLX4_EVENT_TYPE_SQ_DRAINED
= 0x03,
98 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE
= 0x13,
99 MLX4_EVENT_TYPE_SRQ_LIMIT
= 0x14,
100 MLX4_EVENT_TYPE_CQ_ERROR
= 0x04,
101 MLX4_EVENT_TYPE_WQ_CATAS_ERROR
= 0x05,
102 MLX4_EVENT_TYPE_EEC_CATAS_ERROR
= 0x06,
103 MLX4_EVENT_TYPE_PATH_MIG_FAILED
= 0x07,
104 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR
= 0x10,
105 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR
= 0x11,
106 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR
= 0x12,
107 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR
= 0x08,
108 MLX4_EVENT_TYPE_PORT_CHANGE
= 0x09,
109 MLX4_EVENT_TYPE_EQ_OVERFLOW
= 0x0f,
110 MLX4_EVENT_TYPE_ECC_DETECT
= 0x0e,
111 MLX4_EVENT_TYPE_CMD
= 0x0a
115 MLX4_PORT_CHANGE_SUBTYPE_DOWN
= 1,
116 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE
= 4
120 MLX4_PERM_LOCAL_READ
= 1 << 10,
121 MLX4_PERM_LOCAL_WRITE
= 1 << 11,
122 MLX4_PERM_REMOTE_READ
= 1 << 12,
123 MLX4_PERM_REMOTE_WRITE
= 1 << 13,
124 MLX4_PERM_ATOMIC
= 1 << 14
128 MLX4_OPCODE_NOP
= 0x00,
129 MLX4_OPCODE_SEND_INVAL
= 0x01,
130 MLX4_OPCODE_RDMA_WRITE
= 0x08,
131 MLX4_OPCODE_RDMA_WRITE_IMM
= 0x09,
132 MLX4_OPCODE_SEND
= 0x0a,
133 MLX4_OPCODE_SEND_IMM
= 0x0b,
134 MLX4_OPCODE_LSO
= 0x0e,
135 MLX4_OPCODE_RDMA_READ
= 0x10,
136 MLX4_OPCODE_ATOMIC_CS
= 0x11,
137 MLX4_OPCODE_ATOMIC_FA
= 0x12,
138 MLX4_OPCODE_MASKED_ATOMIC_CS
= 0x14,
139 MLX4_OPCODE_MASKED_ATOMIC_FA
= 0x15,
140 MLX4_OPCODE_BIND_MW
= 0x18,
141 MLX4_OPCODE_FMR
= 0x19,
142 MLX4_OPCODE_LOCAL_INVAL
= 0x1b,
143 MLX4_OPCODE_CONFIG_CMD
= 0x1f,
145 MLX4_RECV_OPCODE_RDMA_WRITE_IMM
= 0x00,
146 MLX4_RECV_OPCODE_SEND
= 0x01,
147 MLX4_RECV_OPCODE_SEND_IMM
= 0x02,
148 MLX4_RECV_OPCODE_SEND_INVAL
= 0x03,
150 MLX4_CQE_OPCODE_ERROR
= 0x1e,
151 MLX4_CQE_OPCODE_RESIZE
= 0x16,
155 MLX4_STAT_RATE_OFFSET
= 5
159 MLX4_PROT_IB_IPV6
= 0,
166 MLX4_MTT_FLAG_PRESENT
= 1
169 enum mlx4_qp_region
{
170 MLX4_QP_REGION_FW
= 0,
171 MLX4_QP_REGION_ETH_ADDR
,
172 MLX4_QP_REGION_FC_ADDR
,
173 MLX4_QP_REGION_FC_EXCH
,
177 enum mlx4_port_type
{
178 MLX4_PORT_TYPE_IB
= 1,
179 MLX4_PORT_TYPE_ETH
= 2,
180 MLX4_PORT_TYPE_AUTO
= 3
183 enum mlx4_special_vlan_idx
{
184 MLX4_NO_VLAN_IDX
= 0,
189 enum mlx4_steer_type
{
196 MLX4_NUM_FEXCH
= 64 * 1024,
200 MLX4_MAX_FAST_REG_PAGES
= 511,
203 static inline u64
mlx4_fw_ver(u64 major
, u64 minor
, u64 subminor
)
205 return (major
<< 32) | (minor
<< 16) | subminor
;
211 int vl_cap
[MLX4_MAX_PORTS
+ 1];
212 int ib_mtu_cap
[MLX4_MAX_PORTS
+ 1];
213 __be32 ib_port_def_cap
[MLX4_MAX_PORTS
+ 1];
214 u64 def_mac
[MLX4_MAX_PORTS
+ 1];
215 int eth_mtu_cap
[MLX4_MAX_PORTS
+ 1];
216 int gid_table_len
[MLX4_MAX_PORTS
+ 1];
217 int pkey_table_len
[MLX4_MAX_PORTS
+ 1];
218 int trans_type
[MLX4_MAX_PORTS
+ 1];
219 int vendor_oui
[MLX4_MAX_PORTS
+ 1];
220 int wavelength
[MLX4_MAX_PORTS
+ 1];
221 u64 trans_code
[MLX4_MAX_PORTS
+ 1];
222 int local_ca_ack_delay
;
225 int bf_regs_per_page
;
232 int max_qp_init_rdma
;
233 int max_qp_dest_rdma
;
244 int num_comp_vectors
;
249 int fmr_reserved_mtts
;
265 u16 stat_rate_support
;
266 u8 port_width_cap
[MLX4_MAX_PORTS
+ 1];
268 int reserved_qps_cnt
[MLX4_NUM_QP_REGION
];
270 int reserved_qps_base
[MLX4_NUM_QP_REGION
];
274 enum mlx4_port_type port_type
[MLX4_MAX_PORTS
+ 1];
275 u8 supported_type
[MLX4_MAX_PORTS
+ 1];
277 enum mlx4_port_type possible_type
[MLX4_MAX_PORTS
+ 1];
281 struct mlx4_buf_list
{
287 struct mlx4_buf_list direct
;
288 struct mlx4_buf_list
*page_list
;
301 MLX4_DB_PER_PAGE
= PAGE_SIZE
/ 4
304 struct mlx4_db_pgdir
{
305 struct list_head list
;
306 DECLARE_BITMAP(order0
, MLX4_DB_PER_PAGE
);
307 DECLARE_BITMAP(order1
, MLX4_DB_PER_PAGE
/ 2);
308 unsigned long *bits
[2];
313 struct mlx4_ib_user_db_page
;
318 struct mlx4_db_pgdir
*pgdir
;
319 struct mlx4_ib_user_db_page
*user_page
;
326 struct mlx4_hwq_resources
{
344 struct mlx4_mpt_entry
*mpt
;
346 dma_addr_t dma_handle
;
356 struct list_head bf_list
;
357 unsigned free_bf_bmap
;
359 void __iomem
*bf_map
;
363 unsigned long offset
;
365 struct mlx4_uar
*uar
;
370 void (*comp
) (struct mlx4_cq
*);
371 void (*event
) (struct mlx4_cq
*, enum mlx4_event
);
373 struct mlx4_uar
*uar
;
385 struct completion free
;
389 void (*event
) (struct mlx4_qp
*, enum mlx4_event
);
394 struct completion free
;
398 void (*event
) (struct mlx4_srq
*, enum mlx4_event
);
406 struct completion free
;
418 __be32 sl_tclass_flowlabel
;
431 __be32 sl_tclass_flowlabel
;
440 struct mlx4_eth_av eth
;
443 struct mlx4_counter
{
455 struct pci_dev
*pdev
;
457 struct mlx4_caps caps
;
458 struct radix_tree_root qp_table_tree
;
460 char board_id
[MLX4_BOARD_ID_LEN
];
463 struct mlx4_init_port_param
{
477 #define mlx4_foreach_port(port, dev, type) \
478 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
479 if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \
480 ~(dev)->caps.port_mask) & 1 << ((port) - 1))
482 #define mlx4_foreach_ib_transport_port(port, dev) \
483 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
484 if (((dev)->caps.port_mask & 1 << ((port) - 1)) || \
485 ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
488 int mlx4_buf_alloc(struct mlx4_dev
*dev
, int size
, int max_direct
,
489 struct mlx4_buf
*buf
);
490 void mlx4_buf_free(struct mlx4_dev
*dev
, int size
, struct mlx4_buf
*buf
);
491 static inline void *mlx4_buf_offset(struct mlx4_buf
*buf
, int offset
)
493 if (BITS_PER_LONG
== 64 || buf
->nbufs
== 1)
494 return buf
->direct
.buf
+ offset
;
496 return buf
->page_list
[offset
>> PAGE_SHIFT
].buf
+
497 (offset
& (PAGE_SIZE
- 1));
500 int mlx4_pd_alloc(struct mlx4_dev
*dev
, u32
*pdn
);
501 void mlx4_pd_free(struct mlx4_dev
*dev
, u32 pdn
);
503 int mlx4_uar_alloc(struct mlx4_dev
*dev
, struct mlx4_uar
*uar
);
504 void mlx4_uar_free(struct mlx4_dev
*dev
, struct mlx4_uar
*uar
);
505 int mlx4_bf_alloc(struct mlx4_dev
*dev
, struct mlx4_bf
*bf
);
506 void mlx4_bf_free(struct mlx4_dev
*dev
, struct mlx4_bf
*bf
);
508 int mlx4_mtt_init(struct mlx4_dev
*dev
, int npages
, int page_shift
,
509 struct mlx4_mtt
*mtt
);
510 void mlx4_mtt_cleanup(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
);
511 u64
mlx4_mtt_addr(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
);
513 int mlx4_mr_alloc(struct mlx4_dev
*dev
, u32 pd
, u64 iova
, u64 size
, u32 access
,
514 int npages
, int page_shift
, struct mlx4_mr
*mr
);
515 void mlx4_mr_free(struct mlx4_dev
*dev
, struct mlx4_mr
*mr
);
516 int mlx4_mr_enable(struct mlx4_dev
*dev
, struct mlx4_mr
*mr
);
517 int mlx4_write_mtt(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
,
518 int start_index
, int npages
, u64
*page_list
);
519 int mlx4_buf_write_mtt(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
,
520 struct mlx4_buf
*buf
);
522 int mlx4_db_alloc(struct mlx4_dev
*dev
, struct mlx4_db
*db
, int order
);
523 void mlx4_db_free(struct mlx4_dev
*dev
, struct mlx4_db
*db
);
525 int mlx4_alloc_hwq_res(struct mlx4_dev
*dev
, struct mlx4_hwq_resources
*wqres
,
526 int size
, int max_direct
);
527 void mlx4_free_hwq_res(struct mlx4_dev
*mdev
, struct mlx4_hwq_resources
*wqres
,
530 int mlx4_cq_alloc(struct mlx4_dev
*dev
, int nent
, struct mlx4_mtt
*mtt
,
531 struct mlx4_uar
*uar
, u64 db_rec
, struct mlx4_cq
*cq
,
532 unsigned vector
, int collapsed
);
533 void mlx4_cq_free(struct mlx4_dev
*dev
, struct mlx4_cq
*cq
);
535 int mlx4_qp_reserve_range(struct mlx4_dev
*dev
, int cnt
, int align
, int *base
);
536 void mlx4_qp_release_range(struct mlx4_dev
*dev
, int base_qpn
, int cnt
);
538 int mlx4_qp_alloc(struct mlx4_dev
*dev
, int qpn
, struct mlx4_qp
*qp
);
539 void mlx4_qp_free(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
);
541 int mlx4_srq_alloc(struct mlx4_dev
*dev
, u32 pdn
, struct mlx4_mtt
*mtt
,
542 u64 db_rec
, struct mlx4_srq
*srq
);
543 void mlx4_srq_free(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
);
544 int mlx4_srq_arm(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
, int limit_watermark
);
545 int mlx4_srq_query(struct mlx4_dev
*dev
, struct mlx4_srq
*srq
, int *limit_watermark
);
547 int mlx4_INIT_PORT(struct mlx4_dev
*dev
, int port
);
548 int mlx4_CLOSE_PORT(struct mlx4_dev
*dev
, int port
);
550 int mlx4_multicast_attach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
551 int block_mcast_loopback
, enum mlx4_protocol protocol
);
552 int mlx4_multicast_detach(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
, u8 gid
[16],
553 enum mlx4_protocol protocol
);
554 int mlx4_multicast_promisc_add(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
555 int mlx4_multicast_promisc_remove(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
556 int mlx4_unicast_promisc_add(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
557 int mlx4_unicast_promisc_remove(struct mlx4_dev
*dev
, u32 qpn
, u8 port
);
558 int mlx4_SET_MCAST_FLTR(struct mlx4_dev
*dev
, u8 port
, u64 mac
, u64 clear
, u8 mode
);
560 int mlx4_register_mac(struct mlx4_dev
*dev
, u8 port
, u64 mac
, int *qpn
, u8 wrap
);
561 void mlx4_unregister_mac(struct mlx4_dev
*dev
, u8 port
, int qpn
);
562 int mlx4_replace_mac(struct mlx4_dev
*dev
, u8 port
, int qpn
, u64 new_mac
, u8 wrap
);
564 int mlx4_find_cached_vlan(struct mlx4_dev
*dev
, u8 port
, u16 vid
, int *idx
);
565 int mlx4_register_vlan(struct mlx4_dev
*dev
, u8 port
, u16 vlan
, int *index
);
566 void mlx4_unregister_vlan(struct mlx4_dev
*dev
, u8 port
, int index
);
568 int mlx4_map_phys_fmr(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
, u64
*page_list
,
569 int npages
, u64 iova
, u32
*lkey
, u32
*rkey
);
570 int mlx4_fmr_alloc(struct mlx4_dev
*dev
, u32 pd
, u32 access
, int max_pages
,
571 int max_maps
, u8 page_shift
, struct mlx4_fmr
*fmr
);
572 int mlx4_fmr_enable(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
);
573 void mlx4_fmr_unmap(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
,
574 u32
*lkey
, u32
*rkey
);
575 int mlx4_fmr_free(struct mlx4_dev
*dev
, struct mlx4_fmr
*fmr
);
576 int mlx4_SYNC_TPT(struct mlx4_dev
*dev
);
577 int mlx4_test_interrupts(struct mlx4_dev
*dev
);
578 int mlx4_assign_eq(struct mlx4_dev
*dev
, char* name
, int* vector
);
579 void mlx4_release_eq(struct mlx4_dev
*dev
, int vec
);
581 int mlx4_wol_read(struct mlx4_dev
*dev
, u64
*config
, int port
);
582 int mlx4_wol_write(struct mlx4_dev
*dev
, u64 config
, int port
);
584 int mlx4_counter_alloc(struct mlx4_dev
*dev
, u32
*idx
);
585 void mlx4_counter_free(struct mlx4_dev
*dev
, u32 idx
);
587 #endif /* MLX4_DEVICE_H */