2 * Copyright (c) 2013-2019, 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 <linux/kernel.h>
32 #include <linux/completion.h>
33 #include <linux/pci.h>
34 #include <linux/cache.h>
35 #include <linux/rbtree.h>
36 #include <linux/if_ether.h>
37 #include <linux/semaphore.h>
38 #include <linux/slab.h>
39 #include <linux/vmalloc.h>
40 #include <linux/radix-tree.h>
41 #include <linux/idr.h>
43 #include <dev/mlx5/device.h>
44 #include <dev/mlx5/doorbell.h>
45 #include <dev/mlx5/srq.h>
47 #define MLX5_QCOUNTER_SETS_NETDEV 64
48 #define MLX5_MAX_NUMBER_OF_VFS 128
51 MLX5_BOARD_ID_LEN = 64,
52 MLX5_MAX_NAME_LEN = 16,
56 MLX5_CMD_TIMEOUT_MSEC = 8 * 60 * 1000,
57 MLX5_CMD_WQ_MAX_NAME = 32,
63 CMD_STATUS_SUCCESS = 0,
69 MLX5_SQP_IEEE_1588 = 2,
71 MLX5_SQP_SYNC_UMR = 4,
79 MLX5_EQ_VEC_PAGES = 0,
81 MLX5_EQ_VEC_ASYNC = 2,
82 MLX5_EQ_VEC_COMP_BASE,
86 MLX5_MAX_IRQ_NAME = 32
90 MLX5_ATOMIC_MODE_OFF = 16,
91 MLX5_ATOMIC_MODE_NONE = 0 << MLX5_ATOMIC_MODE_OFF,
92 MLX5_ATOMIC_MODE_IB_COMP = 1 << MLX5_ATOMIC_MODE_OFF,
93 MLX5_ATOMIC_MODE_CX = 2 << MLX5_ATOMIC_MODE_OFF,
94 MLX5_ATOMIC_MODE_8B = 3 << MLX5_ATOMIC_MODE_OFF,
95 MLX5_ATOMIC_MODE_16B = 4 << MLX5_ATOMIC_MODE_OFF,
96 MLX5_ATOMIC_MODE_32B = 5 << MLX5_ATOMIC_MODE_OFF,
97 MLX5_ATOMIC_MODE_64B = 6 << MLX5_ATOMIC_MODE_OFF,
98 MLX5_ATOMIC_MODE_128B = 7 << MLX5_ATOMIC_MODE_OFF,
99 MLX5_ATOMIC_MODE_256B = 8 << MLX5_ATOMIC_MODE_OFF,
103 MLX5_ATOMIC_MODE_DCT_OFF = 20,
104 MLX5_ATOMIC_MODE_DCT_NONE = 0 << MLX5_ATOMIC_MODE_DCT_OFF,
105 MLX5_ATOMIC_MODE_DCT_IB_COMP = 1 << MLX5_ATOMIC_MODE_DCT_OFF,
106 MLX5_ATOMIC_MODE_DCT_CX = 2 << MLX5_ATOMIC_MODE_DCT_OFF,
107 MLX5_ATOMIC_MODE_DCT_8B = 3 << MLX5_ATOMIC_MODE_DCT_OFF,
108 MLX5_ATOMIC_MODE_DCT_16B = 4 << MLX5_ATOMIC_MODE_DCT_OFF,
109 MLX5_ATOMIC_MODE_DCT_32B = 5 << MLX5_ATOMIC_MODE_DCT_OFF,
110 MLX5_ATOMIC_MODE_DCT_64B = 6 << MLX5_ATOMIC_MODE_DCT_OFF,
111 MLX5_ATOMIC_MODE_DCT_128B = 7 << MLX5_ATOMIC_MODE_DCT_OFF,
112 MLX5_ATOMIC_MODE_DCT_256B = 8 << MLX5_ATOMIC_MODE_DCT_OFF,
116 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
117 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
118 MLX5_ATOMIC_OPS_MASKED_CMP_SWAP = 1 << 2,
119 MLX5_ATOMIC_OPS_MASKED_FETCH_ADD = 1 << 3,
123 MLX5_REG_QPTS = 0x4002,
124 MLX5_REG_QETCR = 0x4005,
125 MLX5_REG_QPDP = 0x4007,
126 MLX5_REG_QTCT = 0x400A,
127 MLX5_REG_QPDPM = 0x4013,
128 MLX5_REG_QHLL = 0x4016,
129 MLX5_REG_QCAM = 0x4019,
130 MLX5_REG_DCBX_PARAM = 0x4020,
131 MLX5_REG_DCBX_APP = 0x4021,
132 MLX5_REG_PCAP = 0x5001,
133 MLX5_REG_FPGA_CAP = 0x4022,
134 MLX5_REG_FPGA_CTRL = 0x4023,
135 MLX5_REG_FPGA_ACCESS_REG = 0x4024,
136 MLX5_REG_FPGA_SHELL_CNTR = 0x4025,
137 MLX5_REG_PMTU = 0x5003,
138 MLX5_REG_PTYS = 0x5004,
139 MLX5_REG_PAOS = 0x5006,
140 MLX5_REG_PFCC = 0x5007,
141 MLX5_REG_PPCNT = 0x5008,
142 MLX5_REG_PMAOS = 0x5012,
143 MLX5_REG_PUDE = 0x5009,
144 MLX5_REG_PPTB = 0x500B,
145 MLX5_REG_PBMC = 0x500C,
146 MLX5_REG_PMPE = 0x5010,
147 MLX5_REG_PELC = 0x500e,
148 MLX5_REG_PVLC = 0x500f,
149 MLX5_REG_PMLP = 0x5002,
150 MLX5_REG_PCAM = 0x507f,
151 MLX5_REG_NODE_DESC = 0x6001,
152 MLX5_REG_HOST_ENDIANNESS = 0x7004,
153 MLX5_REG_MTMP = 0x900a,
154 MLX5_REG_MCIA = 0x9014,
155 MLX5_REG_MPCNT = 0x9051,
156 MLX5_REG_MCQI = 0x9061,
157 MLX5_REG_MCC = 0x9062,
158 MLX5_REG_MCDA = 0x9063,
159 MLX5_REG_MCAM = 0x907f,
169 MLX5_INTERFACE_PROTOCOL_IB = 0,
170 MLX5_INTERFACE_PROTOCOL_ETH = 1,
171 MLX5_INTERFACE_NUMBER = 2,
174 struct mlx5_field_desc {
179 struct mlx5_rsc_debug {
180 struct mlx5_core_dev *dev;
182 enum dbg_rsc_type type;
184 struct mlx5_field_desc fields[0];
187 enum mlx5_dev_event {
188 MLX5_DEV_EVENT_SYS_ERROR,
189 MLX5_DEV_EVENT_PORT_UP,
190 MLX5_DEV_EVENT_PORT_DOWN,
191 MLX5_DEV_EVENT_PORT_INITIALIZED,
192 MLX5_DEV_EVENT_LID_CHANGE,
193 MLX5_DEV_EVENT_PKEY_CHANGE,
194 MLX5_DEV_EVENT_GUID_CHANGE,
195 MLX5_DEV_EVENT_CLIENT_REREG,
196 MLX5_DEV_EVENT_VPORT_CHANGE,
197 MLX5_DEV_EVENT_ERROR_STATE_DCBX,
198 MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE,
199 MLX5_DEV_EVENT_LOCAL_OPER_CHANGE,
200 MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE,
203 enum mlx5_port_status {
204 MLX5_PORT_UP = 1 << 0,
205 MLX5_PORT_DOWN = 1 << 1,
209 MLX5_VSC_SPACE_SUPPORTED = 0x1,
210 MLX5_VSC_SPACE_OFFSET = 0x4,
211 MLX5_VSC_COUNTER_OFFSET = 0x8,
212 MLX5_VSC_SEMA_OFFSET = 0xC,
213 MLX5_VSC_ADDR_OFFSET = 0x10,
214 MLX5_VSC_DATA_OFFSET = 0x14,
215 MLX5_VSC_MAX_RETRIES = 0x1000,
218 #define MLX5_PROT_MASK(link_mode) (1 << link_mode)
220 struct mlx5_uuar_info {
221 struct mlx5_uar *uars;
223 int num_low_latency_uuars;
224 unsigned long *bitmap;
229 * protect uuar allocation data structs
237 void __iomem *regreg;
239 struct mlx5_uar *uar;
240 unsigned long offset;
242 /* protect blue flame buffer selection when needed
246 /* serialize 64 bit writes when done as two 32 bit accesses
252 struct mlx5_cmd_first {
257 struct mlx5_fw_page {
259 struct rb_node rb_node;
260 struct list_head list;
262 struct mlx5_cmd_first first;
263 struct mlx5_core_dev *dev;
264 bus_dmamap_t dma_map;
267 struct cache_ent *cache;
270 #define MLX5_LOAD_ST_NONE 0
271 #define MLX5_LOAD_ST_SUCCESS 1
272 #define MLX5_LOAD_ST_FAILURE 2
275 #define mlx5_cmd_msg mlx5_fw_page
277 struct mlx5_cmd_debug {
278 struct dentry *dbg_root;
279 struct dentry *dbg_in;
280 struct dentry *dbg_out;
281 struct dentry *dbg_outlen;
282 struct dentry *dbg_status;
283 struct dentry *dbg_run;
292 /* protect block chain allocations
295 struct list_head head;
298 struct cmd_msg_cache {
299 struct cache_ent large;
300 struct cache_ent med;
304 struct mlx5_traffic_counter {
310 MLX5_CMD_MODE_POLLING,
314 struct mlx5_cmd_stats {
319 struct dentry *count;
320 /* protect command average calculations */
325 struct mlx5_fw_page *cmd_page;
326 bus_dma_tag_t dma_tag;
329 #define MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx)
330 #define MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx)
331 #define MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx)
333 #define MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv)
334 #define MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx)
344 /* protect command queue allocations
346 spinlock_t alloc_lock;
348 /* protect token allocations
350 spinlock_t token_lock;
352 unsigned long bitmask;
353 char wq_name[MLX5_CMD_WQ_MAX_NAME];
354 struct workqueue_struct *wq;
355 struct semaphore sem;
356 struct semaphore pages_sem;
357 enum mlx5_cmd_mode mode;
358 struct mlx5_cmd_work_ent * volatile ent_arr[MLX5_MAX_COMMANDS];
359 volatile enum mlx5_cmd_mode ent_mode[MLX5_MAX_COMMANDS];
360 struct mlx5_cmd_debug dbg;
361 struct cmd_msg_cache cache;
362 int checksum_disabled;
363 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
366 struct mlx5_port_caps {
373 bus_dma_tag_t dma_tag;
374 bus_dmamap_t dma_map;
375 struct mlx5_core_dev *dev;
386 struct mlx5_frag_buf {
387 struct mlx5_buf_list *frags;
394 struct mlx5_core_dev *dev;
395 __be32 __iomem *doorbell;
403 struct list_head list;
405 struct mlx5_rsc_debug *dbg;
408 struct mlx5_core_psv {
420 struct mlx5_core_sig_ctx {
421 struct mlx5_core_psv psv_memory;
422 struct mlx5_core_psv psv_wire;
423 #if (__FreeBSD_version >= 1100000)
424 struct ib_sig_err err_item;
426 bool sig_status_checked;
437 struct mlx5_core_mkey {
445 struct mlx5_core_mr {
453 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
454 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
455 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
461 struct mlx5_core_rsc_common {
462 enum mlx5_res_type res;
464 struct completion free;
467 struct mlx5_core_srq {
468 struct mlx5_core_rsc_common common; /* must be first */
472 size_t max_avail_gather;
474 void (*event)(struct mlx5_core_srq *, int);
476 struct completion free;
479 struct mlx5_eq_table {
480 void __iomem *update_ci;
481 void __iomem *update_arm_ci;
482 struct list_head comp_eqs_list;
483 struct mlx5_eq pages_eq;
484 struct mlx5_eq async_eq;
485 struct mlx5_eq cmd_eq;
486 int num_comp_vectors;
494 void __iomem *bf_map;
499 struct mlx5_core_health {
500 struct mlx5_health_buffer __iomem *health;
501 __be32 __iomem *health_counter;
502 struct timer_list timer;
506 struct workqueue_struct *wq_watchdog;
507 struct work_struct work_watchdog;
508 /* wq spinlock to synchronize draining */
510 struct workqueue_struct *wq;
512 struct work_struct work;
513 struct delayed_work recover_work;
514 unsigned int last_reset_req;
517 #define MLX5_CQ_LINEAR_ARRAY_SIZE 1024
519 struct mlx5_cq_linear_array_entry {
521 struct mlx5_core_cq * volatile cq;
524 struct mlx5_cq_table {
525 /* protect radix tree
528 struct radix_tree_root tree;
529 struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE];
532 struct mlx5_qp_table {
533 /* protect radix tree
536 struct radix_tree_root tree;
539 struct mlx5_srq_table {
540 /* protect radix tree
543 struct radix_tree_root tree;
546 struct mlx5_mr_table {
547 /* protect radix tree
550 struct radix_tree_root tree;
553 struct mlx5_irq_info {
554 char name[MLX5_MAX_IRQ_NAME];
558 char name[MLX5_MAX_NAME_LEN];
559 struct mlx5_eq_table eq_table;
560 struct msix_entry *msix_arr;
561 struct mlx5_irq_info *irq_info;
562 struct mlx5_uuar_info uuari;
563 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
566 struct io_mapping *bf_mapping;
569 struct workqueue_struct *pg_wq;
570 struct rb_root page_root;
573 s64 pages_per_func[MLX5_MAX_NUMBER_OF_VFS];
574 struct mlx5_core_health health;
576 struct mlx5_srq_table srq_table;
578 /* start: qp staff */
579 struct mlx5_qp_table qp_table;
580 struct dentry *qp_debugfs;
581 struct dentry *eq_debugfs;
582 struct dentry *cq_debugfs;
583 struct dentry *cmdif_debugfs;
586 /* start: cq staff */
587 struct mlx5_cq_table cq_table;
590 /* start: mr staff */
591 struct mlx5_mr_table mr_table;
594 /* start: alloc staff */
597 struct mutex pgdir_mutex;
598 struct list_head pgdir_list;
599 /* end: alloc staff */
600 struct dentry *dbg_root;
602 /* protect mkey key part */
603 spinlock_t mkey_lock;
606 struct list_head dev_list;
607 struct list_head ctx_list;
609 unsigned long pci_dev_data;
612 enum mlx5_device_state {
613 MLX5_DEVICE_STATE_UP,
614 MLX5_DEVICE_STATE_INTERNAL_ERROR,
617 enum mlx5_interface_state {
618 MLX5_INTERFACE_STATE_UP,
621 enum mlx5_pci_status {
622 MLX5_PCI_STATUS_DISABLED,
623 MLX5_PCI_STATUS_ENABLED,
626 #define MLX5_MAX_RESERVED_GIDS 8
628 struct mlx5_rsvd_gids {
634 struct mlx5_special_contexts {
638 struct mlx5_flow_root_namespace;
639 struct mlx5_dump_data;
640 struct mlx5_core_dev {
641 struct pci_dev *pdev;
643 struct mutex pci_status_mutex;
644 enum mlx5_pci_status pci_status;
645 char board_id[MLX5_BOARD_ID_LEN];
647 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
648 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
649 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
651 u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
652 u32 mcam[MLX5_ST_SZ_DW(mcam_reg)];
653 u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
654 u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
656 phys_addr_t iseg_base;
657 struct mlx5_init_seg __iomem *iseg;
658 enum mlx5_device_state state;
659 /* sync interface state */
660 struct mutex intf_state_mutex;
661 unsigned long intf_state;
662 void (*event) (struct mlx5_core_dev *dev,
663 enum mlx5_dev_event event,
664 unsigned long param);
665 struct mlx5_priv priv;
666 struct mlx5_profile *profile;
670 struct mlx5_special_contexts special_contexts;
671 unsigned int module_status[MLX5_MAX_PORTS];
672 struct mlx5_flow_root_namespace *root_ns;
673 struct mlx5_flow_root_namespace *fdb_root_ns;
674 struct mlx5_flow_root_namespace *esw_egress_root_ns;
675 struct mlx5_flow_root_namespace *esw_ingress_root_ns;
676 struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
677 struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
678 u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER];
679 struct mlx5_dump_data *dump_data;
681 struct sysctl_ctx_list sysctl_ctx;
687 struct mlx5_rsvd_gids reserved_gids;
690 #ifdef CONFIG_MLX5_FPGA
691 struct mlx5_fpga_device *fpga;
696 MLX5_WOL_DISABLE = 0,
697 MLX5_WOL_SECURED_MAGIC = 1 << 1,
698 MLX5_WOL_MAGIC = 1 << 2,
699 MLX5_WOL_ARP = 1 << 3,
700 MLX5_WOL_BROADCAST = 1 << 4,
701 MLX5_WOL_MULTICAST = 1 << 5,
702 MLX5_WOL_UNICAST = 1 << 6,
703 MLX5_WOL_PHY_ACTIVITY = 1 << 7,
709 struct mlx5_db_pgdir *pgdir;
710 struct mlx5_ib_user_db_page *user_page;
716 struct mlx5_net_counters {
721 struct mlx5_ptys_reg {
727 u16 ib_link_width_cap;
730 u16 ib_link_width_admin;
733 u16 ib_link_width_oper;
735 u32 eth_proto_lp_advertise;
738 struct mlx5_pvlc_reg {
745 struct mlx5_pmtu_reg {
752 struct mlx5_vport_counters {
753 struct mlx5_net_counters received_errors;
754 struct mlx5_net_counters transmit_errors;
755 struct mlx5_net_counters received_ib_unicast;
756 struct mlx5_net_counters transmitted_ib_unicast;
757 struct mlx5_net_counters received_ib_multicast;
758 struct mlx5_net_counters transmitted_ib_multicast;
759 struct mlx5_net_counters received_eth_broadcast;
760 struct mlx5_net_counters transmitted_eth_broadcast;
761 struct mlx5_net_counters received_eth_unicast;
762 struct mlx5_net_counters transmitted_eth_unicast;
763 struct mlx5_net_counters received_eth_multicast;
764 struct mlx5_net_counters transmitted_eth_multicast;
768 MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES,
771 struct mlx5_core_dct {
772 struct mlx5_core_rsc_common common; /* must be first */
773 void (*event)(struct mlx5_core_dct *, int);
775 struct completion drained;
776 struct mlx5_rsc_debug *dbg;
781 MLX5_COMP_EQ_SIZE = 1024,
785 MLX5_PTYS_IB = 1 << 0,
786 MLX5_PTYS_EN = 1 << 2,
789 struct mlx5_db_pgdir {
790 struct list_head list;
791 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
792 struct mlx5_fw_page *fw_page;
797 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
799 struct mlx5_cmd_work_ent {
800 struct mlx5_cmd_msg *in;
801 struct mlx5_cmd_msg *out;
805 mlx5_cmd_cbk_t callback;
806 struct delayed_work cb_timeout_work;
809 struct completion done;
810 struct mlx5_cmd *cmd;
811 struct work_struct work;
812 struct mlx5_cmd_layout *lay;
829 enum port_state_policy {
830 MLX5_POLICY_DOWN = 0,
832 MLX5_POLICY_FOLLOW = 2,
833 MLX5_POLICY_INVALID = 0xffffffff
837 mlx5_buf_offset(struct mlx5_buf *buf, int offset)
839 return ((char *)buf->direct.buf + offset);
843 extern struct workqueue_struct *mlx5_core_wq;
845 #define STRUCT_FIELD(header, field) \
846 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
847 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
849 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
851 return pci_get_drvdata(pdev);
854 extern struct dentry *mlx5_debugfs_root;
856 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
858 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
861 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
863 return ioread32be(&dev->iseg->fw_rev) >> 16;
866 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
868 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
871 static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev)
873 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
876 static inline int mlx5_get_gid_table_len(u16 param)
879 printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n");
883 return 8 * (1 << param);
886 static inline void *mlx5_vzalloc(unsigned long size)
890 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
894 static inline void *mlx5_vmalloc(unsigned long size)
898 rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
904 static inline u32 mlx5_base_mkey(const u32 key)
906 return key & 0xffffff00u;
909 int mlx5_cmd_init(struct mlx5_core_dev *dev);
910 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
911 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
912 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
913 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
914 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
915 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
917 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
918 void *out, int out_size, mlx5_cmd_cbk_t callback,
920 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
921 void *out, int out_size);
922 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
923 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
924 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
925 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
926 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
927 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
928 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
929 int mlx5_health_init(struct mlx5_core_dev *dev);
930 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
931 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
932 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
933 void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
934 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
935 void mlx5_trigger_health_watchdog(struct mlx5_core_dev *dev);
937 #define mlx5_buf_alloc_node(dev, size, direct, buf, node) \
938 mlx5_buf_alloc(dev, size, direct, buf)
939 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
940 struct mlx5_buf *buf);
941 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
942 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
943 struct mlx5_srq_attr *in);
944 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
945 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
946 struct mlx5_srq_attr *out);
947 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
948 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
949 u16 lwm, int is_srq);
950 void mlx5_init_mr_table(struct mlx5_core_dev *dev);
951 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
952 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
953 struct mlx5_core_mr *mkey,
955 u32 *out, int outlen,
956 mlx5_cmd_cbk_t callback, void *context);
957 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
958 struct mlx5_core_mr *mr,
960 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey);
961 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey,
962 u32 *out, int outlen);
963 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
965 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
966 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
967 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
969 void mlx5_fwp_flush(struct mlx5_fw_page *fwp);
970 void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp);
971 struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num);
972 void mlx5_fwp_free(struct mlx5_fw_page *fwp);
973 u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset);
974 void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset);
975 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
976 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
977 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
978 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
979 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
981 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
982 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
983 s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev);
984 void mlx5_register_debugfs(void);
985 void mlx5_unregister_debugfs(void);
986 int mlx5_eq_init(struct mlx5_core_dev *dev);
987 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
988 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
989 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
990 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
991 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
992 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
993 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector, enum mlx5_cmd_mode mode);
994 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
995 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
996 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
997 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
998 int mlx5_start_eqs(struct mlx5_core_dev *dev);
999 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
1000 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
1001 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1002 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1003 int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable,
1006 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1007 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1008 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1009 int size_in, void *data_out, int size_out,
1010 u16 reg_num, int arg, int write);
1012 void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
1014 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1015 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1016 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
1017 u32 *out, int outlen);
1018 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
1019 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
1020 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
1021 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
1022 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1023 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1025 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1027 const char *mlx5_command_str(int command);
1028 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1029 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1030 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1031 int npsvs, u32 *sig_index);
1032 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1033 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1034 u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev);
1035 int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode);
1036 int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout);
1037 int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout);
1038 int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode);
1039 int mlx5_core_access_pvlc(struct mlx5_core_dev *dev,
1040 struct mlx5_pvlc_reg *pvlc, int write);
1041 int mlx5_core_access_ptys(struct mlx5_core_dev *dev,
1042 struct mlx5_ptys_reg *ptys, int write);
1043 int mlx5_core_access_pmtu(struct mlx5_core_dev *dev,
1044 struct mlx5_pmtu_reg *pmtu, int write);
1045 int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port);
1046 int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port);
1047 int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1048 int priority, int *is_enable);
1049 int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1050 int priority, int enable);
1051 int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol,
1052 void *out, int out_size);
1053 int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev,
1054 void *in, int in_size);
1055 int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear,
1056 void *out, int out_size);
1057 int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in,
1059 int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev,
1060 u8 num_of_samples, u16 sample_index,
1061 void *out, int out_size);
1062 int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev);
1063 int mlx5_vsc_lock(struct mlx5_core_dev *mdev);
1064 void mlx5_vsc_unlock(struct mlx5_core_dev *mdev);
1065 int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space);
1066 int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, const u32 *data);
1067 int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data);
1068 int mlx5_vsc_lock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1069 int mlx5_vsc_unlock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1070 int mlx5_pci_read_power_status(struct mlx5_core_dev *mdev,
1071 u16 *p_power, u8 *p_status);
1073 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1078 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1080 return mkey_idx << 8;
1083 static inline u8 mlx5_mkey_variant(u32 mkey)
1089 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
1090 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
1094 MAX_MR_CACHE_ENTRIES = 15,
1097 struct mlx5_interface {
1098 void * (*add)(struct mlx5_core_dev *dev);
1099 void (*remove)(struct mlx5_core_dev *dev, void *context);
1100 void (*event)(struct mlx5_core_dev *dev, void *context,
1101 enum mlx5_dev_event event, unsigned long param);
1102 void * (*get_dev)(void *context);
1104 struct list_head list;
1107 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1108 int mlx5_register_interface(struct mlx5_interface *intf);
1109 void mlx5_unregister_interface(struct mlx5_interface *intf);
1111 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1112 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1113 u8 roce_version, u8 roce_l3_type, const u8 *gid,
1114 const u8 *mac, bool vlan, u16 vlan_id);
1116 struct mlx5_profile {
1122 } mr_cache[MAX_MR_CACHE_ENTRIES];
1126 MLX5_PCI_DEV_IS_VF = 1 << 0,
1130 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1133 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1135 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1138 #endif /* MLX5_DRIVER_H */