2 * Copyright (c) 2013-2017, Mellanox Technologies, Ltd. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include "opt_ratelimit.h"
33 #include <linux/kernel.h>
34 #include <linux/completion.h>
35 #include <linux/pci.h>
36 #include <linux/cache.h>
37 #include <linux/rbtree.h>
38 #include <linux/if_ether.h>
39 #include <linux/semaphore.h>
40 #include <linux/slab.h>
41 #include <linux/vmalloc.h>
42 #include <linux/radix-tree.h>
44 #include <dev/mlx5/device.h>
45 #include <dev/mlx5/doorbell.h>
46 #include <dev/mlx5/srq.h>
48 #define MLX5_QCOUNTER_SETS_NETDEV 64
49 #define MLX5_MAX_NUMBER_OF_VFS 128
52 MLX5_BOARD_ID_LEN = 64,
53 MLX5_MAX_NAME_LEN = 16,
57 MLX5_CMD_TIMEOUT_MSEC = 8 * 60 * 1000,
58 MLX5_CMD_WQ_MAX_NAME = 32,
64 CMD_STATUS_SUCCESS = 0,
70 MLX5_SQP_IEEE_1588 = 2,
72 MLX5_SQP_SYNC_UMR = 4,
80 MLX5_EQ_VEC_PAGES = 0,
82 MLX5_EQ_VEC_ASYNC = 2,
83 MLX5_EQ_VEC_COMP_BASE,
87 MLX5_MAX_IRQ_NAME = 32
91 MLX5_ATOMIC_MODE_OFF = 16,
92 MLX5_ATOMIC_MODE_NONE = 0 << MLX5_ATOMIC_MODE_OFF,
93 MLX5_ATOMIC_MODE_IB_COMP = 1 << MLX5_ATOMIC_MODE_OFF,
94 MLX5_ATOMIC_MODE_CX = 2 << MLX5_ATOMIC_MODE_OFF,
95 MLX5_ATOMIC_MODE_8B = 3 << MLX5_ATOMIC_MODE_OFF,
96 MLX5_ATOMIC_MODE_16B = 4 << MLX5_ATOMIC_MODE_OFF,
97 MLX5_ATOMIC_MODE_32B = 5 << MLX5_ATOMIC_MODE_OFF,
98 MLX5_ATOMIC_MODE_64B = 6 << MLX5_ATOMIC_MODE_OFF,
99 MLX5_ATOMIC_MODE_128B = 7 << MLX5_ATOMIC_MODE_OFF,
100 MLX5_ATOMIC_MODE_256B = 8 << MLX5_ATOMIC_MODE_OFF,
104 MLX5_ATOMIC_MODE_DCT_OFF = 20,
105 MLX5_ATOMIC_MODE_DCT_NONE = 0 << MLX5_ATOMIC_MODE_DCT_OFF,
106 MLX5_ATOMIC_MODE_DCT_IB_COMP = 1 << MLX5_ATOMIC_MODE_DCT_OFF,
107 MLX5_ATOMIC_MODE_DCT_CX = 2 << MLX5_ATOMIC_MODE_DCT_OFF,
108 MLX5_ATOMIC_MODE_DCT_8B = 3 << MLX5_ATOMIC_MODE_DCT_OFF,
109 MLX5_ATOMIC_MODE_DCT_16B = 4 << MLX5_ATOMIC_MODE_DCT_OFF,
110 MLX5_ATOMIC_MODE_DCT_32B = 5 << MLX5_ATOMIC_MODE_DCT_OFF,
111 MLX5_ATOMIC_MODE_DCT_64B = 6 << MLX5_ATOMIC_MODE_DCT_OFF,
112 MLX5_ATOMIC_MODE_DCT_128B = 7 << MLX5_ATOMIC_MODE_DCT_OFF,
113 MLX5_ATOMIC_MODE_DCT_256B = 8 << MLX5_ATOMIC_MODE_DCT_OFF,
117 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
118 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
119 MLX5_ATOMIC_OPS_MASKED_CMP_SWAP = 1 << 2,
120 MLX5_ATOMIC_OPS_MASKED_FETCH_ADD = 1 << 3,
124 MLX5_REG_QETCR = 0x4005,
125 MLX5_REG_QPDP = 0x4007,
126 MLX5_REG_QTCT = 0x400A,
127 MLX5_REG_QHLL = 0x4016,
128 MLX5_REG_DCBX_PARAM = 0x4020,
129 MLX5_REG_DCBX_APP = 0x4021,
130 MLX5_REG_PCAP = 0x5001,
131 MLX5_REG_PMTU = 0x5003,
132 MLX5_REG_PTYS = 0x5004,
133 MLX5_REG_PAOS = 0x5006,
134 MLX5_REG_PFCC = 0x5007,
135 MLX5_REG_PPCNT = 0x5008,
136 MLX5_REG_PMAOS = 0x5012,
137 MLX5_REG_PUDE = 0x5009,
138 MLX5_REG_PPTB = 0x500B,
139 MLX5_REG_PBMC = 0x500C,
140 MLX5_REG_PMPE = 0x5010,
141 MLX5_REG_PELC = 0x500e,
142 MLX5_REG_PVLC = 0x500f,
143 MLX5_REG_PMLP = 0x5002,
144 MLX5_REG_NODE_DESC = 0x6001,
145 MLX5_REG_HOST_ENDIANNESS = 0x7004,
146 MLX5_REG_MCIA = 0x9014,
147 MLX5_REG_MPCNT = 0x9051,
157 MLX5_INTERFACE_PROTOCOL_IB = 0,
158 MLX5_INTERFACE_PROTOCOL_ETH = 1,
159 MLX5_INTERFACE_NUMBER = 2,
162 struct mlx5_field_desc {
167 struct mlx5_rsc_debug {
168 struct mlx5_core_dev *dev;
170 enum dbg_rsc_type type;
172 struct mlx5_field_desc fields[0];
175 enum mlx5_dev_event {
176 MLX5_DEV_EVENT_SYS_ERROR,
177 MLX5_DEV_EVENT_PORT_UP,
178 MLX5_DEV_EVENT_PORT_DOWN,
179 MLX5_DEV_EVENT_PORT_INITIALIZED,
180 MLX5_DEV_EVENT_LID_CHANGE,
181 MLX5_DEV_EVENT_PKEY_CHANGE,
182 MLX5_DEV_EVENT_GUID_CHANGE,
183 MLX5_DEV_EVENT_CLIENT_REREG,
184 MLX5_DEV_EVENT_VPORT_CHANGE,
185 MLX5_DEV_EVENT_ERROR_STATE_DCBX,
186 MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE,
187 MLX5_DEV_EVENT_LOCAL_OPER_CHANGE,
188 MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE,
191 enum mlx5_port_status {
192 MLX5_PORT_UP = 1 << 0,
193 MLX5_PORT_DOWN = 1 << 1,
196 enum mlx5_link_mode {
197 MLX5_1000BASE_CX_SGMII = 0,
198 MLX5_1000BASE_KX = 1,
199 MLX5_10GBASE_CX4 = 2,
200 MLX5_10GBASE_KX4 = 3,
202 MLX5_20GBASE_KR2 = 5,
203 MLX5_40GBASE_CR4 = 6,
204 MLX5_40GBASE_KR4 = 7,
206 MLX5_10GBASE_CR = 12,
207 MLX5_10GBASE_SR = 13,
208 MLX5_10GBASE_ER = 14,
209 MLX5_40GBASE_SR4 = 15,
210 MLX5_40GBASE_LR4 = 16,
211 MLX5_100GBASE_CR4 = 20,
212 MLX5_100GBASE_SR4 = 21,
213 MLX5_100GBASE_KR4 = 22,
214 MLX5_100GBASE_LR4 = 23,
215 MLX5_100BASE_TX = 24,
216 MLX5_1000BASE_T = 25,
218 MLX5_25GBASE_CR = 27,
219 MLX5_25GBASE_KR = 28,
220 MLX5_25GBASE_SR = 29,
221 MLX5_50GBASE_CR2 = 30,
222 MLX5_50GBASE_KR2 = 31,
223 MLX5_LINK_MODES_NUMBER,
227 MLX5_VSC_SPACE_SUPPORTED = 0x1,
228 MLX5_VSC_SPACE_OFFSET = 0x4,
229 MLX5_VSC_COUNTER_OFFSET = 0x8,
230 MLX5_VSC_SEMA_OFFSET = 0xC,
231 MLX5_VSC_ADDR_OFFSET = 0x10,
232 MLX5_VSC_DATA_OFFSET = 0x14,
233 MLX5_VSC_MAX_RETRIES = 0x1000,
236 #define MLX5_PROT_MASK(link_mode) (1 << link_mode)
238 struct mlx5_uuar_info {
239 struct mlx5_uar *uars;
241 int num_low_latency_uuars;
242 unsigned long *bitmap;
247 * protect uuar allocation data structs
255 void __iomem *regreg;
257 struct mlx5_uar *uar;
258 unsigned long offset;
260 /* protect blue flame buffer selection when needed
264 /* serialize 64 bit writes when done as two 32 bit accesses
270 struct mlx5_cmd_first {
275 struct mlx5_fw_page {
277 struct rb_node rb_node;
278 struct list_head list;
280 struct mlx5_cmd_first first;
281 struct mlx5_core_dev *dev;
282 bus_dmamap_t dma_map;
285 struct cache_ent *cache;
288 #define MLX5_LOAD_ST_NONE 0
289 #define MLX5_LOAD_ST_SUCCESS 1
290 #define MLX5_LOAD_ST_FAILURE 2
293 #define mlx5_cmd_msg mlx5_fw_page
295 struct mlx5_cmd_debug {
296 struct dentry *dbg_root;
297 struct dentry *dbg_in;
298 struct dentry *dbg_out;
299 struct dentry *dbg_outlen;
300 struct dentry *dbg_status;
301 struct dentry *dbg_run;
310 /* protect block chain allocations
313 struct list_head head;
316 struct cmd_msg_cache {
317 struct cache_ent large;
318 struct cache_ent med;
322 struct mlx5_traffic_counter {
327 struct mlx5_cmd_stats {
332 struct dentry *count;
333 /* protect command average calculations */
338 struct mlx5_fw_page *cmd_page;
339 bus_dma_tag_t dma_tag;
342 #define MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx)
343 #define MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx)
344 #define MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx)
346 #define MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv)
347 #define MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx)
357 /* protect command queue allocations
359 spinlock_t alloc_lock;
361 /* protect token allocations
363 spinlock_t token_lock;
365 unsigned long bitmask;
366 char wq_name[MLX5_CMD_WQ_MAX_NAME];
367 struct workqueue_struct *wq;
368 struct semaphore sem;
369 struct semaphore pages_sem;
371 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
372 struct mlx5_cmd_debug dbg;
373 struct cmd_msg_cache cache;
374 int checksum_disabled;
375 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
378 struct mlx5_port_caps {
385 bus_dma_tag_t dma_tag;
386 bus_dmamap_t dma_map;
387 struct mlx5_core_dev *dev;
399 struct mlx5_core_dev *dev;
400 __be32 __iomem *doorbell;
408 struct list_head list;
410 struct mlx5_rsc_debug *dbg;
413 struct mlx5_core_psv {
425 struct mlx5_core_sig_ctx {
426 struct mlx5_core_psv psv_memory;
427 struct mlx5_core_psv psv_wire;
428 #if (__FreeBSD_version >= 1100000)
429 struct ib_sig_err err_item;
431 bool sig_status_checked;
436 struct mlx5_core_mr {
444 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
445 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
446 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
452 struct mlx5_core_rsc_common {
453 enum mlx5_res_type res;
455 struct completion free;
458 struct mlx5_core_srq {
459 struct mlx5_core_rsc_common common; /* must be first */
463 int max_avail_gather;
465 void (*event)(struct mlx5_core_srq *, int);
467 struct completion free;
470 struct mlx5_eq_table {
471 void __iomem *update_ci;
472 void __iomem *update_arm_ci;
473 struct list_head comp_eqs_list;
474 struct mlx5_eq pages_eq;
475 struct mlx5_eq async_eq;
476 struct mlx5_eq cmd_eq;
477 int num_comp_vectors;
485 void __iomem *bf_map;
490 struct mlx5_core_health {
491 struct mlx5_health_buffer __iomem *health;
492 __be32 __iomem *health_counter;
493 struct timer_list timer;
497 /* wq spinlock to synchronize draining */
499 struct workqueue_struct *wq;
501 struct work_struct work;
502 struct delayed_work recover_work;
506 #define MLX5_CQ_LINEAR_ARRAY_SIZE (128 * 1024)
508 #define MLX5_CQ_LINEAR_ARRAY_SIZE 1024
511 struct mlx5_cq_linear_array_entry {
513 struct mlx5_core_cq * volatile cq;
516 struct mlx5_cq_table {
517 /* protect radix tree
520 struct radix_tree_root tree;
521 struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE];
524 struct mlx5_qp_table {
525 /* protect radix tree
528 struct radix_tree_root tree;
531 struct mlx5_srq_table {
532 /* protect radix tree
535 struct radix_tree_root tree;
538 struct mlx5_mr_table {
539 /* protect radix tree
542 struct radix_tree_root tree;
545 struct mlx5_irq_info {
546 char name[MLX5_MAX_IRQ_NAME];
550 struct mlx5_rl_entry {
557 struct mlx5_rl_table {
558 struct mutex rl_lock;
562 struct mlx5_rl_entry *rl_entry;
567 char name[MLX5_MAX_NAME_LEN];
568 struct mlx5_eq_table eq_table;
569 struct msix_entry *msix_arr;
570 struct mlx5_irq_info *irq_info;
571 struct mlx5_uuar_info uuari;
572 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
574 struct io_mapping *bf_mapping;
577 struct workqueue_struct *pg_wq;
578 struct rb_root page_root;
581 s64 pages_per_func[MLX5_MAX_NUMBER_OF_VFS];
582 struct mlx5_core_health health;
584 struct mlx5_srq_table srq_table;
586 /* start: qp staff */
587 struct mlx5_qp_table qp_table;
588 struct dentry *qp_debugfs;
589 struct dentry *eq_debugfs;
590 struct dentry *cq_debugfs;
591 struct dentry *cmdif_debugfs;
594 /* start: cq staff */
595 struct mlx5_cq_table cq_table;
598 /* start: mr staff */
599 struct mlx5_mr_table mr_table;
602 /* start: alloc staff */
605 struct mutex pgdir_mutex;
606 struct list_head pgdir_list;
607 /* end: alloc staff */
608 struct dentry *dbg_root;
610 /* protect mkey key part */
611 spinlock_t mkey_lock;
614 struct list_head dev_list;
615 struct list_head ctx_list;
617 unsigned long pci_dev_data;
619 struct mlx5_rl_table rl_table;
623 enum mlx5_device_state {
624 MLX5_DEVICE_STATE_UP,
625 MLX5_DEVICE_STATE_INTERNAL_ERROR,
628 enum mlx5_interface_state {
629 MLX5_INTERFACE_STATE_DOWN = BIT(0),
630 MLX5_INTERFACE_STATE_UP = BIT(1),
631 MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
634 enum mlx5_pci_status {
635 MLX5_PCI_STATUS_DISABLED,
636 MLX5_PCI_STATUS_ENABLED,
639 struct mlx5_special_contexts {
643 struct mlx5_flow_root_namespace;
644 struct mlx5_dump_data;
645 struct mlx5_core_dev {
646 struct pci_dev *pdev;
648 struct mutex pci_status_mutex;
649 enum mlx5_pci_status pci_status;
650 char board_id[MLX5_BOARD_ID_LEN];
652 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
653 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
654 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
655 phys_addr_t iseg_base;
656 struct mlx5_init_seg __iomem *iseg;
657 enum mlx5_device_state state;
658 /* sync interface state */
659 struct mutex intf_state_mutex;
660 unsigned long intf_state;
661 void (*event) (struct mlx5_core_dev *dev,
662 enum mlx5_dev_event event,
663 unsigned long param);
664 struct mlx5_priv priv;
665 struct mlx5_profile *profile;
669 struct mlx5_special_contexts special_contexts;
670 unsigned int module_status[MLX5_MAX_PORTS];
671 struct mlx5_flow_root_namespace *root_ns;
672 struct mlx5_flow_root_namespace *fdb_root_ns;
673 struct mlx5_flow_root_namespace *esw_egress_root_ns;
674 struct mlx5_flow_root_namespace *esw_ingress_root_ns;
675 struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
676 struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
677 u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER];
678 struct mlx5_dump_data *dump_data;
683 MLX5_WOL_DISABLE = 0,
684 MLX5_WOL_SECURED_MAGIC = 1 << 1,
685 MLX5_WOL_MAGIC = 1 << 2,
686 MLX5_WOL_ARP = 1 << 3,
687 MLX5_WOL_BROADCAST = 1 << 4,
688 MLX5_WOL_MULTICAST = 1 << 5,
689 MLX5_WOL_UNICAST = 1 << 6,
690 MLX5_WOL_PHY_ACTIVITY = 1 << 7,
696 struct mlx5_db_pgdir *pgdir;
697 struct mlx5_ib_user_db_page *user_page;
703 struct mlx5_net_counters {
708 struct mlx5_ptys_reg {
714 u16 ib_link_width_cap;
717 u16 ib_link_width_admin;
720 u16 ib_link_width_oper;
722 u32 eth_proto_lp_advertise;
725 struct mlx5_pvlc_reg {
732 struct mlx5_pmtu_reg {
739 struct mlx5_vport_counters {
740 struct mlx5_net_counters received_errors;
741 struct mlx5_net_counters transmit_errors;
742 struct mlx5_net_counters received_ib_unicast;
743 struct mlx5_net_counters transmitted_ib_unicast;
744 struct mlx5_net_counters received_ib_multicast;
745 struct mlx5_net_counters transmitted_ib_multicast;
746 struct mlx5_net_counters received_eth_broadcast;
747 struct mlx5_net_counters transmitted_eth_broadcast;
748 struct mlx5_net_counters received_eth_unicast;
749 struct mlx5_net_counters transmitted_eth_unicast;
750 struct mlx5_net_counters received_eth_multicast;
751 struct mlx5_net_counters transmitted_eth_multicast;
755 MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES,
758 struct mlx5_core_dct {
759 struct mlx5_core_rsc_common common; /* must be first */
760 void (*event)(struct mlx5_core_dct *, int);
762 struct completion drained;
763 struct mlx5_rsc_debug *dbg;
768 MLX5_COMP_EQ_SIZE = 1024,
772 MLX5_PTYS_IB = 1 << 0,
773 MLX5_PTYS_EN = 1 << 2,
776 struct mlx5_db_pgdir {
777 struct list_head list;
778 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
779 struct mlx5_fw_page *fw_page;
784 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
786 struct mlx5_cmd_work_ent {
787 struct mlx5_cmd_msg *in;
788 struct mlx5_cmd_msg *out;
792 mlx5_cmd_cbk_t callback;
793 struct delayed_work cb_timeout_work;
796 struct completion done;
797 struct mlx5_cmd *cmd;
798 struct work_struct work;
799 struct mlx5_cmd_layout *lay;
816 enum port_state_policy {
817 MLX5_POLICY_DOWN = 0,
819 MLX5_POLICY_FOLLOW = 2,
820 MLX5_POLICY_INVALID = 0xffffffff
824 mlx5_buf_offset(struct mlx5_buf *buf, int offset)
826 return ((char *)buf->direct.buf + offset);
830 extern struct workqueue_struct *mlx5_core_wq;
832 #define STRUCT_FIELD(header, field) \
833 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
834 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
836 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
838 return pci_get_drvdata(pdev);
841 extern struct dentry *mlx5_debugfs_root;
843 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
845 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
848 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
850 return ioread32be(&dev->iseg->fw_rev) >> 16;
853 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
855 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
858 static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev)
860 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
863 static inline int mlx5_get_gid_table_len(u16 param)
866 printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n");
870 return 8 * (1 << param);
873 static inline void *mlx5_vzalloc(unsigned long size)
877 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
881 static inline void *mlx5_vmalloc(unsigned long size)
885 rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
891 static inline u32 mlx5_base_mkey(const u32 key)
893 return key & 0xffffff00u;
896 int mlx5_cmd_init(struct mlx5_core_dev *dev);
897 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
898 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
899 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
900 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
901 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
902 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
904 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
905 void *out, int out_size, mlx5_cmd_cbk_t callback,
907 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
908 void *out, int out_size);
909 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
910 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
911 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
912 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
913 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
914 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
915 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
916 int mlx5_health_init(struct mlx5_core_dev *dev);
917 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
918 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
919 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
920 void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
921 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
923 #define mlx5_buf_alloc_node(dev, size, direct, buf, node) \
924 mlx5_buf_alloc(dev, size, direct, buf)
925 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
926 struct mlx5_buf *buf);
927 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
928 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
929 struct mlx5_srq_attr *in);
930 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
931 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
932 struct mlx5_srq_attr *out);
933 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
934 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
935 u16 lwm, int is_srq);
936 void mlx5_init_mr_table(struct mlx5_core_dev *dev);
937 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
938 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
939 struct mlx5_core_mr *mkey,
941 u32 *out, int outlen,
942 mlx5_cmd_cbk_t callback, void *context);
943 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
944 struct mlx5_core_mr *mr,
946 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey);
947 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey,
948 u32 *out, int outlen);
949 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
951 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
952 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
953 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
955 void mlx5_fwp_flush(struct mlx5_fw_page *fwp);
956 void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp);
957 struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num);
958 void mlx5_fwp_free(struct mlx5_fw_page *fwp);
959 u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset);
960 void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset);
961 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
962 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
963 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
964 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
965 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
967 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
968 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
969 s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev);
970 void mlx5_register_debugfs(void);
971 void mlx5_unregister_debugfs(void);
972 int mlx5_eq_init(struct mlx5_core_dev *dev);
973 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
974 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
975 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
976 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
977 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
978 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
979 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u32 vector);
980 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
981 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
982 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
983 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
984 int mlx5_start_eqs(struct mlx5_core_dev *dev);
985 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
986 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
987 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
988 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
989 int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable,
992 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
993 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
994 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
995 int size_in, void *data_out, int size_out,
996 u16 reg_num, int arg, int write);
998 void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
1000 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1001 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1002 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
1003 u32 *out, int outlen);
1004 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
1005 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
1006 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
1007 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
1008 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1009 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1011 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1013 const char *mlx5_command_str(int command);
1014 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1015 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1016 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1017 int npsvs, u32 *sig_index);
1018 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1019 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1020 u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev);
1021 int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode);
1022 int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout);
1023 int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout);
1024 int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode);
1025 int mlx5_core_access_pvlc(struct mlx5_core_dev *dev,
1026 struct mlx5_pvlc_reg *pvlc, int write);
1027 int mlx5_core_access_ptys(struct mlx5_core_dev *dev,
1028 struct mlx5_ptys_reg *ptys, int write);
1029 int mlx5_core_access_pmtu(struct mlx5_core_dev *dev,
1030 struct mlx5_pmtu_reg *pmtu, int write);
1031 int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port);
1032 int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port);
1033 int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1034 int priority, int *is_enable);
1035 int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1036 int priority, int enable);
1037 int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol,
1038 void *out, int out_size);
1039 int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev,
1040 void *in, int in_size);
1041 int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear,
1042 void *out, int out_size);
1043 int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in,
1045 int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev,
1046 u8 num_of_samples, u16 sample_index,
1047 void *out, int out_size);
1048 int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev);
1049 int mlx5_vsc_lock(struct mlx5_core_dev *mdev);
1050 void mlx5_vsc_unlock(struct mlx5_core_dev *mdev);
1051 int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space);
1052 int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, u32 *data);
1053 int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data);
1054 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1059 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1061 return mkey_idx << 8;
1064 static inline u8 mlx5_mkey_variant(u32 mkey)
1070 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
1071 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
1075 MAX_MR_CACHE_ENTRIES = 15,
1078 struct mlx5_interface {
1079 void * (*add)(struct mlx5_core_dev *dev);
1080 void (*remove)(struct mlx5_core_dev *dev, void *context);
1081 void (*event)(struct mlx5_core_dev *dev, void *context,
1082 enum mlx5_dev_event event, unsigned long param);
1083 void * (*get_dev)(void *context);
1085 struct list_head list;
1088 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1089 int mlx5_register_interface(struct mlx5_interface *intf);
1090 void mlx5_unregister_interface(struct mlx5_interface *intf);
1092 struct mlx5_profile {
1098 } mr_cache[MAX_MR_CACHE_ENTRIES];
1102 MLX5_PCI_DEV_IS_VF = 1 << 0,
1106 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1109 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1111 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1114 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1115 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1116 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst, u16 *index);
1117 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst);
1118 bool mlx5_rl_is_in_range(const struct mlx5_core_dev *dev, u32 rate, u32 burst);
1120 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1122 return !!(dev->priv.rl_table.max_size);
1126 #endif /* MLX5_DRIVER_H */