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 = 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_MFRL = 0x9028,
156 MLX5_REG_MPCNT = 0x9051,
157 MLX5_REG_MCQI = 0x9061,
158 MLX5_REG_MCC = 0x9062,
159 MLX5_REG_MCDA = 0x9063,
160 MLX5_REG_MCAM = 0x907f,
170 MLX5_INTERFACE_PROTOCOL_IB = 0,
171 MLX5_INTERFACE_PROTOCOL_ETH = 1,
172 MLX5_INTERFACE_NUMBER = 2,
175 struct mlx5_field_desc {
180 struct mlx5_rsc_debug {
181 struct mlx5_core_dev *dev;
183 enum dbg_rsc_type type;
185 struct mlx5_field_desc fields[0];
188 enum mlx5_dev_event {
189 MLX5_DEV_EVENT_SYS_ERROR,
190 MLX5_DEV_EVENT_PORT_UP,
191 MLX5_DEV_EVENT_PORT_DOWN,
192 MLX5_DEV_EVENT_PORT_INITIALIZED,
193 MLX5_DEV_EVENT_LID_CHANGE,
194 MLX5_DEV_EVENT_PKEY_CHANGE,
195 MLX5_DEV_EVENT_GUID_CHANGE,
196 MLX5_DEV_EVENT_CLIENT_REREG,
197 MLX5_DEV_EVENT_VPORT_CHANGE,
198 MLX5_DEV_EVENT_ERROR_STATE_DCBX,
199 MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE,
200 MLX5_DEV_EVENT_LOCAL_OPER_CHANGE,
201 MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE,
204 enum mlx5_port_status {
205 MLX5_PORT_UP = 1 << 0,
206 MLX5_PORT_DOWN = 1 << 1,
210 MLX5_VSC_SPACE_SUPPORTED = 0x1,
211 MLX5_VSC_SPACE_OFFSET = 0x4,
212 MLX5_VSC_COUNTER_OFFSET = 0x8,
213 MLX5_VSC_SEMA_OFFSET = 0xC,
214 MLX5_VSC_ADDR_OFFSET = 0x10,
215 MLX5_VSC_DATA_OFFSET = 0x14,
216 MLX5_VSC_MAX_RETRIES = 0x1000,
219 #define MLX5_PROT_MASK(link_mode) (1 << link_mode)
221 struct mlx5_uuar_info {
222 struct mlx5_uar *uars;
224 int num_low_latency_uuars;
225 unsigned long *bitmap;
230 * protect uuar allocation data structs
238 void __iomem *regreg;
240 struct mlx5_uar *uar;
241 unsigned long offset;
243 /* protect blue flame buffer selection when needed
247 /* serialize 64 bit writes when done as two 32 bit accesses
253 struct mlx5_cmd_first {
258 struct mlx5_fw_page {
260 struct rb_node rb_node;
261 struct list_head list;
263 struct mlx5_cmd_first first;
264 struct mlx5_core_dev *dev;
265 bus_dmamap_t dma_map;
268 struct cache_ent *cache;
271 #define MLX5_LOAD_ST_NONE 0
272 #define MLX5_LOAD_ST_SUCCESS 1
273 #define MLX5_LOAD_ST_FAILURE 2
276 #define mlx5_cmd_msg mlx5_fw_page
278 struct mlx5_cmd_debug {
279 struct dentry *dbg_root;
280 struct dentry *dbg_in;
281 struct dentry *dbg_out;
282 struct dentry *dbg_outlen;
283 struct dentry *dbg_status;
284 struct dentry *dbg_run;
293 /* protect block chain allocations
296 struct list_head head;
299 struct cmd_msg_cache {
300 struct cache_ent large;
301 struct cache_ent med;
305 struct mlx5_traffic_counter {
311 MLX5_CMD_MODE_POLLING,
315 struct mlx5_cmd_stats {
320 struct dentry *count;
321 /* protect command average calculations */
326 struct mlx5_fw_page *cmd_page;
327 bus_dma_tag_t dma_tag;
330 #define MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx)
331 #define MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx)
332 #define MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx)
334 #define MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv)
335 #define MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx)
345 /* protect command queue allocations
347 spinlock_t alloc_lock;
349 /* protect token allocations
351 spinlock_t token_lock;
353 unsigned long bitmask;
354 char wq_name[MLX5_CMD_WQ_MAX_NAME];
355 struct workqueue_struct *wq;
356 struct semaphore sem;
357 struct semaphore pages_sem;
358 enum mlx5_cmd_mode mode;
359 struct mlx5_cmd_work_ent * volatile ent_arr[MLX5_MAX_COMMANDS];
360 volatile enum mlx5_cmd_mode ent_mode[MLX5_MAX_COMMANDS];
361 struct mlx5_cmd_debug dbg;
362 struct cmd_msg_cache cache;
363 int checksum_disabled;
364 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
367 struct mlx5_port_caps {
374 bus_dma_tag_t dma_tag;
375 bus_dmamap_t dma_map;
376 struct mlx5_core_dev *dev;
387 struct mlx5_frag_buf {
388 struct mlx5_buf_list *frags;
395 struct mlx5_core_dev *dev;
396 __be32 __iomem *doorbell;
404 struct list_head list;
406 struct mlx5_rsc_debug *dbg;
409 struct mlx5_core_psv {
421 struct mlx5_core_sig_ctx {
422 struct mlx5_core_psv psv_memory;
423 struct mlx5_core_psv psv_wire;
424 #if (__FreeBSD_version >= 1100000)
425 struct ib_sig_err err_item;
427 bool sig_status_checked;
438 struct mlx5_core_mkey {
446 struct mlx5_core_mr {
454 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
455 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
456 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
462 struct mlx5_core_rsc_common {
463 enum mlx5_res_type res;
465 struct completion free;
468 struct mlx5_core_srq {
469 struct mlx5_core_rsc_common common; /* must be first */
473 size_t max_avail_gather;
475 void (*event)(struct mlx5_core_srq *, int);
477 struct completion free;
480 struct mlx5_eq_table {
481 void __iomem *update_ci;
482 void __iomem *update_arm_ci;
483 struct list_head comp_eqs_list;
484 struct mlx5_eq pages_eq;
485 struct mlx5_eq async_eq;
486 struct mlx5_eq cmd_eq;
487 int num_comp_vectors;
495 void __iomem *bf_map;
500 struct mlx5_core_health {
501 struct mlx5_health_buffer __iomem *health;
502 __be32 __iomem *health_counter;
503 struct timer_list timer;
507 struct workqueue_struct *wq_watchdog;
508 struct work_struct work_watchdog;
509 /* wq spinlock to synchronize draining */
511 struct workqueue_struct *wq;
513 struct work_struct work;
514 struct delayed_work recover_work;
515 unsigned int last_reset_req;
516 struct work_struct work_cmd_completion;
519 #define MLX5_CQ_LINEAR_ARRAY_SIZE 1024
521 struct mlx5_cq_linear_array_entry {
523 struct mlx5_core_cq * volatile cq;
526 struct mlx5_cq_table {
527 /* protect radix tree
530 struct radix_tree_root tree;
531 struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE];
534 struct mlx5_qp_table {
535 /* protect radix tree
538 struct radix_tree_root tree;
541 struct mlx5_srq_table {
542 /* protect radix tree
545 struct radix_tree_root tree;
548 struct mlx5_mr_table {
549 /* protect radix tree
552 struct radix_tree_root tree;
555 struct mlx5_irq_info {
556 char name[MLX5_MAX_IRQ_NAME];
560 char name[MLX5_MAX_NAME_LEN];
561 struct mlx5_eq_table eq_table;
562 struct msix_entry *msix_arr;
563 struct mlx5_irq_info *irq_info;
564 struct mlx5_uuar_info uuari;
565 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
568 struct io_mapping *bf_mapping;
571 struct workqueue_struct *pg_wq;
572 struct rb_root page_root;
575 s64 pages_per_func[MLX5_MAX_NUMBER_OF_VFS];
576 struct mlx5_core_health health;
578 struct mlx5_srq_table srq_table;
580 /* start: qp staff */
581 struct mlx5_qp_table qp_table;
582 struct dentry *qp_debugfs;
583 struct dentry *eq_debugfs;
584 struct dentry *cq_debugfs;
585 struct dentry *cmdif_debugfs;
588 /* start: cq staff */
589 struct mlx5_cq_table cq_table;
592 /* start: mr staff */
593 struct mlx5_mr_table mr_table;
596 /* start: alloc staff */
599 struct mutex pgdir_mutex;
600 struct list_head pgdir_list;
601 /* end: alloc staff */
602 struct dentry *dbg_root;
604 /* protect mkey key part */
605 spinlock_t mkey_lock;
608 struct list_head dev_list;
609 struct list_head ctx_list;
611 unsigned long pci_dev_data;
614 enum mlx5_device_state {
615 MLX5_DEVICE_STATE_UP,
616 MLX5_DEVICE_STATE_INTERNAL_ERROR,
619 enum mlx5_interface_state {
620 MLX5_INTERFACE_STATE_UP,
623 enum mlx5_pci_status {
624 MLX5_PCI_STATUS_DISABLED,
625 MLX5_PCI_STATUS_ENABLED,
628 #define MLX5_MAX_RESERVED_GIDS 8
630 struct mlx5_rsvd_gids {
636 struct mlx5_special_contexts {
640 struct mlx5_flow_root_namespace;
641 struct mlx5_core_dev {
642 struct pci_dev *pdev;
644 struct mutex pci_status_mutex;
645 enum mlx5_pci_status pci_status;
646 char board_id[MLX5_BOARD_ID_LEN];
648 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
649 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
650 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
652 u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
653 u32 mcam[MLX5_ST_SZ_DW(mcam_reg)];
654 u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
655 u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
657 phys_addr_t iseg_base;
658 struct mlx5_init_seg __iomem *iseg;
659 enum mlx5_device_state state;
660 /* sync interface state */
661 struct mutex intf_state_mutex;
662 unsigned long intf_state;
663 void (*event) (struct mlx5_core_dev *dev,
664 enum mlx5_dev_event event,
665 unsigned long param);
666 struct mlx5_priv priv;
667 struct mlx5_profile *profile;
671 struct mlx5_special_contexts special_contexts;
672 unsigned int module_status[MLX5_MAX_PORTS];
673 struct mlx5_flow_root_namespace *root_ns;
674 struct mlx5_flow_root_namespace *fdb_root_ns;
675 struct mlx5_flow_root_namespace *esw_egress_root_ns;
676 struct mlx5_flow_root_namespace *esw_ingress_root_ns;
677 struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
678 struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
679 u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER];
680 const struct mlx5_crspace_regmap *dump_rege;
685 struct mtx dump_lock;
687 struct sysctl_ctx_list sysctl_ctx;
693 struct mlx5_rsvd_gids reserved_gids;
696 #ifdef CONFIG_MLX5_FPGA
697 struct mlx5_fpga_device *fpga;
702 MLX5_WOL_DISABLE = 0,
703 MLX5_WOL_SECURED_MAGIC = 1 << 1,
704 MLX5_WOL_MAGIC = 1 << 2,
705 MLX5_WOL_ARP = 1 << 3,
706 MLX5_WOL_BROADCAST = 1 << 4,
707 MLX5_WOL_MULTICAST = 1 << 5,
708 MLX5_WOL_UNICAST = 1 << 6,
709 MLX5_WOL_PHY_ACTIVITY = 1 << 7,
715 struct mlx5_db_pgdir *pgdir;
716 struct mlx5_ib_user_db_page *user_page;
722 struct mlx5_net_counters {
727 struct mlx5_ptys_reg {
733 u16 ib_link_width_cap;
736 u16 ib_link_width_admin;
739 u16 ib_link_width_oper;
741 u32 eth_proto_lp_advertise;
744 struct mlx5_pvlc_reg {
751 struct mlx5_pmtu_reg {
758 struct mlx5_vport_counters {
759 struct mlx5_net_counters received_errors;
760 struct mlx5_net_counters transmit_errors;
761 struct mlx5_net_counters received_ib_unicast;
762 struct mlx5_net_counters transmitted_ib_unicast;
763 struct mlx5_net_counters received_ib_multicast;
764 struct mlx5_net_counters transmitted_ib_multicast;
765 struct mlx5_net_counters received_eth_broadcast;
766 struct mlx5_net_counters transmitted_eth_broadcast;
767 struct mlx5_net_counters received_eth_unicast;
768 struct mlx5_net_counters transmitted_eth_unicast;
769 struct mlx5_net_counters received_eth_multicast;
770 struct mlx5_net_counters transmitted_eth_multicast;
774 MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES,
777 struct mlx5_core_dct {
778 struct mlx5_core_rsc_common common; /* must be first */
779 void (*event)(struct mlx5_core_dct *, int);
781 struct completion drained;
782 struct mlx5_rsc_debug *dbg;
787 MLX5_COMP_EQ_SIZE = 1024,
791 MLX5_PTYS_IB = 1 << 0,
792 MLX5_PTYS_EN = 1 << 2,
795 struct mlx5_db_pgdir {
796 struct list_head list;
797 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
798 struct mlx5_fw_page *fw_page;
803 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
805 struct mlx5_cmd_work_ent {
806 struct mlx5_cmd_msg *in;
807 struct mlx5_cmd_msg *out;
811 mlx5_cmd_cbk_t callback;
812 struct delayed_work cb_timeout_work;
815 struct completion done;
816 struct mlx5_cmd *cmd;
817 struct work_struct work;
818 struct mlx5_cmd_layout *lay;
835 enum port_state_policy {
836 MLX5_POLICY_DOWN = 0,
838 MLX5_POLICY_FOLLOW = 2,
839 MLX5_POLICY_INVALID = 0xffffffff
843 mlx5_buf_offset(struct mlx5_buf *buf, int offset)
845 return ((char *)buf->direct.buf + offset);
849 extern struct workqueue_struct *mlx5_core_wq;
851 #define STRUCT_FIELD(header, field) \
852 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
853 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
855 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
857 return pci_get_drvdata(pdev);
860 extern struct dentry *mlx5_debugfs_root;
862 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
864 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
867 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
869 return ioread32be(&dev->iseg->fw_rev) >> 16;
872 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
874 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
877 static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev)
879 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
882 static inline int mlx5_get_gid_table_len(u16 param)
885 printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n");
889 return 8 * (1 << param);
892 static inline void *mlx5_vzalloc(unsigned long size)
896 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
900 static inline void *mlx5_vmalloc(unsigned long size)
904 rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
910 static inline u32 mlx5_base_mkey(const u32 key)
912 return key & 0xffffff00u;
915 int mlx5_cmd_init(struct mlx5_core_dev *dev);
916 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
917 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
918 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
919 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
920 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
921 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
923 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
924 void *out, int out_size, mlx5_cmd_cbk_t callback,
926 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
927 void *out, int out_size);
928 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
929 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
930 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
931 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
932 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
933 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
934 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
935 int mlx5_health_init(struct mlx5_core_dev *dev);
936 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
937 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
938 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
939 void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
940 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
941 void mlx5_trigger_health_watchdog(struct mlx5_core_dev *dev);
943 #define mlx5_buf_alloc_node(dev, size, direct, buf, node) \
944 mlx5_buf_alloc(dev, size, direct, buf)
945 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
946 struct mlx5_buf *buf);
947 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
948 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
949 struct mlx5_srq_attr *in);
950 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
951 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
952 struct mlx5_srq_attr *out);
953 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
954 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
955 u16 lwm, int is_srq);
956 void mlx5_init_mr_table(struct mlx5_core_dev *dev);
957 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
958 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
959 struct mlx5_core_mr *mkey,
961 u32 *out, int outlen,
962 mlx5_cmd_cbk_t callback, void *context);
963 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
964 struct mlx5_core_mr *mr,
966 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey);
967 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey,
968 u32 *out, int outlen);
969 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
971 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
972 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
973 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
975 void mlx5_fwp_flush(struct mlx5_fw_page *fwp);
976 void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp);
977 struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num);
978 void mlx5_fwp_free(struct mlx5_fw_page *fwp);
979 u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset);
980 void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset);
981 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
982 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
983 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
984 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
985 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
987 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
988 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
989 s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev);
990 void mlx5_register_debugfs(void);
991 void mlx5_unregister_debugfs(void);
992 int mlx5_eq_init(struct mlx5_core_dev *dev);
993 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
994 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
995 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
996 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
997 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
998 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
999 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector, enum mlx5_cmd_mode mode);
1000 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
1001 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
1002 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
1003 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1004 int mlx5_start_eqs(struct mlx5_core_dev *dev);
1005 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
1006 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
1007 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1008 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1009 int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable,
1012 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1013 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1014 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1015 int size_in, void *data_out, int size_out,
1016 u16 reg_num, int arg, int write);
1018 void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
1020 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1021 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1022 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
1023 u32 *out, int outlen);
1024 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
1025 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
1026 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
1027 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
1028 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1029 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1031 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1033 const char *mlx5_command_str(int command);
1034 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1035 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1036 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1037 int npsvs, u32 *sig_index);
1038 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1039 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1040 u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev);
1041 int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode);
1042 int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout);
1043 int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout);
1044 int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode);
1045 int mlx5_core_access_pvlc(struct mlx5_core_dev *dev,
1046 struct mlx5_pvlc_reg *pvlc, int write);
1047 int mlx5_core_access_ptys(struct mlx5_core_dev *dev,
1048 struct mlx5_ptys_reg *ptys, int write);
1049 int mlx5_core_access_pmtu(struct mlx5_core_dev *dev,
1050 struct mlx5_pmtu_reg *pmtu, int write);
1051 int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port);
1052 int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port);
1053 int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1054 int priority, int *is_enable);
1055 int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1056 int priority, int enable);
1057 int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol,
1058 void *out, int out_size);
1059 int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev,
1060 void *in, int in_size);
1061 int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear,
1062 void *out, int out_size);
1063 int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in,
1065 int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev,
1066 u8 num_of_samples, u16 sample_index,
1067 void *out, int out_size);
1068 int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev);
1069 int mlx5_vsc_lock(struct mlx5_core_dev *mdev);
1070 void mlx5_vsc_unlock(struct mlx5_core_dev *mdev);
1071 int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space);
1072 int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, const u32 *data);
1073 int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data);
1074 int mlx5_vsc_lock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1075 int mlx5_vsc_unlock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1076 int mlx5_pci_read_power_status(struct mlx5_core_dev *mdev,
1077 u16 *p_power, u8 *p_status);
1079 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1084 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1086 return mkey_idx << 8;
1089 static inline u8 mlx5_mkey_variant(u32 mkey)
1095 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
1096 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
1100 MAX_MR_CACHE_ENTRIES = 15,
1103 struct mlx5_interface {
1104 void * (*add)(struct mlx5_core_dev *dev);
1105 void (*remove)(struct mlx5_core_dev *dev, void *context);
1106 void (*event)(struct mlx5_core_dev *dev, void *context,
1107 enum mlx5_dev_event event, unsigned long param);
1108 void * (*get_dev)(void *context);
1110 struct list_head list;
1113 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1114 int mlx5_register_interface(struct mlx5_interface *intf);
1115 void mlx5_unregister_interface(struct mlx5_interface *intf);
1117 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1118 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1119 u8 roce_version, u8 roce_l3_type, const u8 *gid,
1120 const u8 *mac, bool vlan, u16 vlan_id);
1122 struct mlx5_profile {
1128 } mr_cache[MAX_MR_CACHE_ENTRIES];
1132 MLX5_PCI_DEV_IS_VF = 1 << 0,
1136 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1139 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1141 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1144 #endif /* MLX5_DRIVER_H */