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>
43 #include <linux/idr.h>
45 #include <dev/mlx5/device.h>
46 #include <dev/mlx5/doorbell.h>
47 #include <dev/mlx5/srq.h>
49 #define MLX5_QCOUNTER_SETS_NETDEV 64
50 #define MLX5_MAX_NUMBER_OF_VFS 128
53 MLX5_BOARD_ID_LEN = 64,
54 MLX5_MAX_NAME_LEN = 16,
58 MLX5_CMD_TIMEOUT_MSEC = 8 * 60 * 1000,
59 MLX5_CMD_WQ_MAX_NAME = 32,
65 CMD_STATUS_SUCCESS = 0,
71 MLX5_SQP_IEEE_1588 = 2,
73 MLX5_SQP_SYNC_UMR = 4,
81 MLX5_EQ_VEC_PAGES = 0,
83 MLX5_EQ_VEC_ASYNC = 2,
84 MLX5_EQ_VEC_COMP_BASE,
88 MLX5_MAX_IRQ_NAME = 32
92 MLX5_ATOMIC_MODE_OFF = 16,
93 MLX5_ATOMIC_MODE_NONE = 0 << MLX5_ATOMIC_MODE_OFF,
94 MLX5_ATOMIC_MODE_IB_COMP = 1 << MLX5_ATOMIC_MODE_OFF,
95 MLX5_ATOMIC_MODE_CX = 2 << MLX5_ATOMIC_MODE_OFF,
96 MLX5_ATOMIC_MODE_8B = 3 << MLX5_ATOMIC_MODE_OFF,
97 MLX5_ATOMIC_MODE_16B = 4 << MLX5_ATOMIC_MODE_OFF,
98 MLX5_ATOMIC_MODE_32B = 5 << MLX5_ATOMIC_MODE_OFF,
99 MLX5_ATOMIC_MODE_64B = 6 << MLX5_ATOMIC_MODE_OFF,
100 MLX5_ATOMIC_MODE_128B = 7 << MLX5_ATOMIC_MODE_OFF,
101 MLX5_ATOMIC_MODE_256B = 8 << MLX5_ATOMIC_MODE_OFF,
105 MLX5_ATOMIC_MODE_DCT_OFF = 20,
106 MLX5_ATOMIC_MODE_DCT_NONE = 0 << MLX5_ATOMIC_MODE_DCT_OFF,
107 MLX5_ATOMIC_MODE_DCT_IB_COMP = 1 << MLX5_ATOMIC_MODE_DCT_OFF,
108 MLX5_ATOMIC_MODE_DCT_CX = 2 << MLX5_ATOMIC_MODE_DCT_OFF,
109 MLX5_ATOMIC_MODE_DCT_8B = 3 << MLX5_ATOMIC_MODE_DCT_OFF,
110 MLX5_ATOMIC_MODE_DCT_16B = 4 << MLX5_ATOMIC_MODE_DCT_OFF,
111 MLX5_ATOMIC_MODE_DCT_32B = 5 << MLX5_ATOMIC_MODE_DCT_OFF,
112 MLX5_ATOMIC_MODE_DCT_64B = 6 << MLX5_ATOMIC_MODE_DCT_OFF,
113 MLX5_ATOMIC_MODE_DCT_128B = 7 << MLX5_ATOMIC_MODE_DCT_OFF,
114 MLX5_ATOMIC_MODE_DCT_256B = 8 << MLX5_ATOMIC_MODE_DCT_OFF,
118 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
119 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
120 MLX5_ATOMIC_OPS_MASKED_CMP_SWAP = 1 << 2,
121 MLX5_ATOMIC_OPS_MASKED_FETCH_ADD = 1 << 3,
125 MLX5_REG_QPTS = 0x4002,
126 MLX5_REG_QETCR = 0x4005,
127 MLX5_REG_QPDP = 0x4007,
128 MLX5_REG_QTCT = 0x400A,
129 MLX5_REG_QPDPM = 0x4013,
130 MLX5_REG_QHLL = 0x4016,
131 MLX5_REG_QCAM = 0x4019,
132 MLX5_REG_DCBX_PARAM = 0x4020,
133 MLX5_REG_DCBX_APP = 0x4021,
134 MLX5_REG_PCAP = 0x5001,
135 MLX5_REG_FPGA_CAP = 0x4022,
136 MLX5_REG_FPGA_CTRL = 0x4023,
137 MLX5_REG_FPGA_ACCESS_REG = 0x4024,
138 MLX5_REG_FPGA_SHELL_CNTR = 0x4025,
139 MLX5_REG_PMTU = 0x5003,
140 MLX5_REG_PTYS = 0x5004,
141 MLX5_REG_PAOS = 0x5006,
142 MLX5_REG_PFCC = 0x5007,
143 MLX5_REG_PPCNT = 0x5008,
144 MLX5_REG_PMAOS = 0x5012,
145 MLX5_REG_PUDE = 0x5009,
146 MLX5_REG_PPTB = 0x500B,
147 MLX5_REG_PBMC = 0x500C,
148 MLX5_REG_PMPE = 0x5010,
149 MLX5_REG_PELC = 0x500e,
150 MLX5_REG_PVLC = 0x500f,
151 MLX5_REG_PMLP = 0x5002,
152 MLX5_REG_NODE_DESC = 0x6001,
153 MLX5_REG_HOST_ENDIANNESS = 0x7004,
154 MLX5_REG_MTMP = 0x900a,
155 MLX5_REG_MCIA = 0x9014,
156 MLX5_REG_MPCNT = 0x9051,
166 MLX5_INTERFACE_PROTOCOL_IB = 0,
167 MLX5_INTERFACE_PROTOCOL_ETH = 1,
168 MLX5_INTERFACE_NUMBER = 2,
171 struct mlx5_field_desc {
176 struct mlx5_rsc_debug {
177 struct mlx5_core_dev *dev;
179 enum dbg_rsc_type type;
181 struct mlx5_field_desc fields[0];
184 enum mlx5_dev_event {
185 MLX5_DEV_EVENT_SYS_ERROR,
186 MLX5_DEV_EVENT_PORT_UP,
187 MLX5_DEV_EVENT_PORT_DOWN,
188 MLX5_DEV_EVENT_PORT_INITIALIZED,
189 MLX5_DEV_EVENT_LID_CHANGE,
190 MLX5_DEV_EVENT_PKEY_CHANGE,
191 MLX5_DEV_EVENT_GUID_CHANGE,
192 MLX5_DEV_EVENT_CLIENT_REREG,
193 MLX5_DEV_EVENT_VPORT_CHANGE,
194 MLX5_DEV_EVENT_ERROR_STATE_DCBX,
195 MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE,
196 MLX5_DEV_EVENT_LOCAL_OPER_CHANGE,
197 MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE,
200 enum mlx5_port_status {
201 MLX5_PORT_UP = 1 << 0,
202 MLX5_PORT_DOWN = 1 << 1,
205 enum mlx5_link_mode {
206 MLX5_1000BASE_CX_SGMII = 0,
207 MLX5_1000BASE_KX = 1,
208 MLX5_10GBASE_CX4 = 2,
209 MLX5_10GBASE_KX4 = 3,
211 MLX5_20GBASE_KR2 = 5,
212 MLX5_40GBASE_CR4 = 6,
213 MLX5_40GBASE_KR4 = 7,
215 MLX5_10GBASE_CR = 12,
216 MLX5_10GBASE_SR = 13,
217 MLX5_10GBASE_ER = 14,
218 MLX5_40GBASE_SR4 = 15,
219 MLX5_40GBASE_LR4 = 16,
220 MLX5_100GBASE_CR4 = 20,
221 MLX5_100GBASE_SR4 = 21,
222 MLX5_100GBASE_KR4 = 22,
223 MLX5_100GBASE_LR4 = 23,
224 MLX5_100BASE_TX = 24,
225 MLX5_1000BASE_T = 25,
227 MLX5_25GBASE_CR = 27,
228 MLX5_25GBASE_KR = 28,
229 MLX5_25GBASE_SR = 29,
230 MLX5_50GBASE_CR2 = 30,
231 MLX5_50GBASE_KR2 = 31,
232 MLX5_LINK_MODES_NUMBER,
236 MLX5_VSC_SPACE_SUPPORTED = 0x1,
237 MLX5_VSC_SPACE_OFFSET = 0x4,
238 MLX5_VSC_COUNTER_OFFSET = 0x8,
239 MLX5_VSC_SEMA_OFFSET = 0xC,
240 MLX5_VSC_ADDR_OFFSET = 0x10,
241 MLX5_VSC_DATA_OFFSET = 0x14,
242 MLX5_VSC_MAX_RETRIES = 0x1000,
245 #define MLX5_PROT_MASK(link_mode) (1 << link_mode)
247 struct mlx5_uuar_info {
248 struct mlx5_uar *uars;
250 int num_low_latency_uuars;
251 unsigned long *bitmap;
256 * protect uuar allocation data structs
264 void __iomem *regreg;
266 struct mlx5_uar *uar;
267 unsigned long offset;
269 /* protect blue flame buffer selection when needed
273 /* serialize 64 bit writes when done as two 32 bit accesses
279 struct mlx5_cmd_first {
284 struct mlx5_fw_page {
286 struct rb_node rb_node;
287 struct list_head list;
289 struct mlx5_cmd_first first;
290 struct mlx5_core_dev *dev;
291 bus_dmamap_t dma_map;
294 struct cache_ent *cache;
297 #define MLX5_LOAD_ST_NONE 0
298 #define MLX5_LOAD_ST_SUCCESS 1
299 #define MLX5_LOAD_ST_FAILURE 2
302 #define mlx5_cmd_msg mlx5_fw_page
304 struct mlx5_cmd_debug {
305 struct dentry *dbg_root;
306 struct dentry *dbg_in;
307 struct dentry *dbg_out;
308 struct dentry *dbg_outlen;
309 struct dentry *dbg_status;
310 struct dentry *dbg_run;
319 /* protect block chain allocations
322 struct list_head head;
325 struct cmd_msg_cache {
326 struct cache_ent large;
327 struct cache_ent med;
331 struct mlx5_traffic_counter {
337 MLX5_CMD_MODE_POLLING,
341 struct mlx5_cmd_stats {
346 struct dentry *count;
347 /* protect command average calculations */
352 struct mlx5_fw_page *cmd_page;
353 bus_dma_tag_t dma_tag;
356 #define MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx)
357 #define MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx)
358 #define MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx)
360 #define MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv)
361 #define MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx)
371 /* protect command queue allocations
373 spinlock_t alloc_lock;
375 /* protect token allocations
377 spinlock_t token_lock;
379 unsigned long bitmask;
380 char wq_name[MLX5_CMD_WQ_MAX_NAME];
381 struct workqueue_struct *wq;
382 struct semaphore sem;
383 struct semaphore pages_sem;
384 enum mlx5_cmd_mode mode;
385 struct mlx5_cmd_work_ent * volatile ent_arr[MLX5_MAX_COMMANDS];
386 volatile enum mlx5_cmd_mode ent_mode[MLX5_MAX_COMMANDS];
387 struct mlx5_cmd_debug dbg;
388 struct cmd_msg_cache cache;
389 int checksum_disabled;
390 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
393 struct mlx5_port_caps {
400 bus_dma_tag_t dma_tag;
401 bus_dmamap_t dma_map;
402 struct mlx5_core_dev *dev;
413 struct mlx5_frag_buf {
414 struct mlx5_buf_list *frags;
421 struct mlx5_core_dev *dev;
422 __be32 __iomem *doorbell;
430 struct list_head list;
432 struct mlx5_rsc_debug *dbg;
435 struct mlx5_core_psv {
447 struct mlx5_core_sig_ctx {
448 struct mlx5_core_psv psv_memory;
449 struct mlx5_core_psv psv_wire;
450 #if (__FreeBSD_version >= 1100000)
451 struct ib_sig_err err_item;
453 bool sig_status_checked;
464 struct mlx5_core_mkey {
472 struct mlx5_core_mr {
480 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
481 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
482 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
488 struct mlx5_core_rsc_common {
489 enum mlx5_res_type res;
491 struct completion free;
494 struct mlx5_core_srq {
495 struct mlx5_core_rsc_common common; /* must be first */
499 size_t max_avail_gather;
501 void (*event)(struct mlx5_core_srq *, int);
503 struct completion free;
506 struct mlx5_eq_table {
507 void __iomem *update_ci;
508 void __iomem *update_arm_ci;
509 struct list_head comp_eqs_list;
510 struct mlx5_eq pages_eq;
511 struct mlx5_eq async_eq;
512 struct mlx5_eq cmd_eq;
513 int num_comp_vectors;
521 void __iomem *bf_map;
526 struct mlx5_core_health {
527 struct mlx5_health_buffer __iomem *health;
528 __be32 __iomem *health_counter;
529 struct timer_list timer;
533 /* wq spinlock to synchronize draining */
535 struct workqueue_struct *wq;
537 struct work_struct work;
538 struct delayed_work recover_work;
539 unsigned int last_reset_req;
543 #define MLX5_CQ_LINEAR_ARRAY_SIZE (128 * 1024)
545 #define MLX5_CQ_LINEAR_ARRAY_SIZE 1024
548 struct mlx5_cq_linear_array_entry {
550 struct mlx5_core_cq * volatile cq;
553 struct mlx5_cq_table {
554 /* protect radix tree
557 struct radix_tree_root tree;
558 struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE];
561 struct mlx5_qp_table {
562 /* protect radix tree
565 struct radix_tree_root tree;
568 struct mlx5_srq_table {
569 /* protect radix tree
572 struct radix_tree_root tree;
575 struct mlx5_mr_table {
576 /* protect radix tree
579 struct radix_tree_root tree;
582 struct mlx5_irq_info {
583 char name[MLX5_MAX_IRQ_NAME];
587 struct mlx5_rl_entry {
594 struct mlx5_rl_table {
595 struct mutex rl_lock;
599 struct mlx5_rl_entry *rl_entry;
604 char name[MLX5_MAX_NAME_LEN];
605 struct mlx5_eq_table eq_table;
606 struct msix_entry *msix_arr;
607 struct mlx5_irq_info *irq_info;
608 struct mlx5_uuar_info uuari;
609 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
612 struct io_mapping *bf_mapping;
615 struct workqueue_struct *pg_wq;
616 struct rb_root page_root;
619 s64 pages_per_func[MLX5_MAX_NUMBER_OF_VFS];
620 struct mlx5_core_health health;
622 struct mlx5_srq_table srq_table;
624 /* start: qp staff */
625 struct mlx5_qp_table qp_table;
626 struct dentry *qp_debugfs;
627 struct dentry *eq_debugfs;
628 struct dentry *cq_debugfs;
629 struct dentry *cmdif_debugfs;
632 /* start: cq staff */
633 struct mlx5_cq_table cq_table;
636 /* start: mr staff */
637 struct mlx5_mr_table mr_table;
640 /* start: alloc staff */
643 struct mutex pgdir_mutex;
644 struct list_head pgdir_list;
645 /* end: alloc staff */
646 struct dentry *dbg_root;
648 /* protect mkey key part */
649 spinlock_t mkey_lock;
652 struct list_head dev_list;
653 struct list_head ctx_list;
655 unsigned long pci_dev_data;
657 struct mlx5_rl_table rl_table;
661 enum mlx5_device_state {
662 MLX5_DEVICE_STATE_UP,
663 MLX5_DEVICE_STATE_INTERNAL_ERROR,
666 enum mlx5_interface_state {
667 MLX5_INTERFACE_STATE_UP,
670 enum mlx5_pci_status {
671 MLX5_PCI_STATUS_DISABLED,
672 MLX5_PCI_STATUS_ENABLED,
675 #define MLX5_MAX_RESERVED_GIDS 8
677 struct mlx5_rsvd_gids {
683 struct mlx5_special_contexts {
687 struct mlx5_flow_root_namespace;
688 struct mlx5_dump_data;
689 struct mlx5_core_dev {
690 struct pci_dev *pdev;
692 struct mutex pci_status_mutex;
693 enum mlx5_pci_status pci_status;
694 char board_id[MLX5_BOARD_ID_LEN];
696 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
697 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
698 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
700 u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
701 u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
703 phys_addr_t iseg_base;
704 struct mlx5_init_seg __iomem *iseg;
705 enum mlx5_device_state state;
706 /* sync interface state */
707 struct mutex intf_state_mutex;
708 unsigned long intf_state;
709 void (*event) (struct mlx5_core_dev *dev,
710 enum mlx5_dev_event event,
711 unsigned long param);
712 struct mlx5_priv priv;
713 struct mlx5_profile *profile;
717 struct mlx5_special_contexts special_contexts;
718 unsigned int module_status[MLX5_MAX_PORTS];
719 struct mlx5_flow_root_namespace *root_ns;
720 struct mlx5_flow_root_namespace *fdb_root_ns;
721 struct mlx5_flow_root_namespace *esw_egress_root_ns;
722 struct mlx5_flow_root_namespace *esw_ingress_root_ns;
723 struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
724 struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
725 u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER];
726 struct mlx5_dump_data *dump_data;
728 struct sysctl_ctx_list sysctl_ctx;
732 struct mlx5_rsvd_gids reserved_gids;
735 #ifdef CONFIG_MLX5_FPGA
736 struct mlx5_fpga_device *fpga;
741 MLX5_WOL_DISABLE = 0,
742 MLX5_WOL_SECURED_MAGIC = 1 << 1,
743 MLX5_WOL_MAGIC = 1 << 2,
744 MLX5_WOL_ARP = 1 << 3,
745 MLX5_WOL_BROADCAST = 1 << 4,
746 MLX5_WOL_MULTICAST = 1 << 5,
747 MLX5_WOL_UNICAST = 1 << 6,
748 MLX5_WOL_PHY_ACTIVITY = 1 << 7,
754 struct mlx5_db_pgdir *pgdir;
755 struct mlx5_ib_user_db_page *user_page;
761 struct mlx5_net_counters {
766 struct mlx5_ptys_reg {
772 u16 ib_link_width_cap;
775 u16 ib_link_width_admin;
778 u16 ib_link_width_oper;
780 u32 eth_proto_lp_advertise;
783 struct mlx5_pvlc_reg {
790 struct mlx5_pmtu_reg {
797 struct mlx5_vport_counters {
798 struct mlx5_net_counters received_errors;
799 struct mlx5_net_counters transmit_errors;
800 struct mlx5_net_counters received_ib_unicast;
801 struct mlx5_net_counters transmitted_ib_unicast;
802 struct mlx5_net_counters received_ib_multicast;
803 struct mlx5_net_counters transmitted_ib_multicast;
804 struct mlx5_net_counters received_eth_broadcast;
805 struct mlx5_net_counters transmitted_eth_broadcast;
806 struct mlx5_net_counters received_eth_unicast;
807 struct mlx5_net_counters transmitted_eth_unicast;
808 struct mlx5_net_counters received_eth_multicast;
809 struct mlx5_net_counters transmitted_eth_multicast;
813 MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES,
816 struct mlx5_core_dct {
817 struct mlx5_core_rsc_common common; /* must be first */
818 void (*event)(struct mlx5_core_dct *, int);
820 struct completion drained;
821 struct mlx5_rsc_debug *dbg;
826 MLX5_COMP_EQ_SIZE = 1024,
830 MLX5_PTYS_IB = 1 << 0,
831 MLX5_PTYS_EN = 1 << 2,
834 struct mlx5_db_pgdir {
835 struct list_head list;
836 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
837 struct mlx5_fw_page *fw_page;
842 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
844 struct mlx5_cmd_work_ent {
845 struct mlx5_cmd_msg *in;
846 struct mlx5_cmd_msg *out;
850 mlx5_cmd_cbk_t callback;
851 struct delayed_work cb_timeout_work;
854 struct completion done;
855 struct mlx5_cmd *cmd;
856 struct work_struct work;
857 struct mlx5_cmd_layout *lay;
874 enum port_state_policy {
875 MLX5_POLICY_DOWN = 0,
877 MLX5_POLICY_FOLLOW = 2,
878 MLX5_POLICY_INVALID = 0xffffffff
882 mlx5_buf_offset(struct mlx5_buf *buf, int offset)
884 return ((char *)buf->direct.buf + offset);
888 extern struct workqueue_struct *mlx5_core_wq;
890 #define STRUCT_FIELD(header, field) \
891 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
892 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
894 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
896 return pci_get_drvdata(pdev);
899 extern struct dentry *mlx5_debugfs_root;
901 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
903 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
906 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
908 return ioread32be(&dev->iseg->fw_rev) >> 16;
911 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
913 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
916 static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev)
918 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
921 static inline int mlx5_get_gid_table_len(u16 param)
924 printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n");
928 return 8 * (1 << param);
931 static inline void *mlx5_vzalloc(unsigned long size)
935 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
939 static inline void *mlx5_vmalloc(unsigned long size)
943 rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
949 static inline u32 mlx5_base_mkey(const u32 key)
951 return key & 0xffffff00u;
954 int mlx5_cmd_init(struct mlx5_core_dev *dev);
955 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
956 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
957 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
958 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
959 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
960 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
962 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
963 void *out, int out_size, mlx5_cmd_cbk_t callback,
965 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
966 void *out, int out_size);
967 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
968 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
969 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
970 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
971 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
972 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
973 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
974 int mlx5_health_init(struct mlx5_core_dev *dev);
975 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
976 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
977 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
978 void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
979 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
981 #define mlx5_buf_alloc_node(dev, size, direct, buf, node) \
982 mlx5_buf_alloc(dev, size, direct, buf)
983 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
984 struct mlx5_buf *buf);
985 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
986 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
987 struct mlx5_srq_attr *in);
988 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
989 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
990 struct mlx5_srq_attr *out);
991 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
992 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
993 u16 lwm, int is_srq);
994 void mlx5_init_mr_table(struct mlx5_core_dev *dev);
995 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
996 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
997 struct mlx5_core_mr *mkey,
999 u32 *out, int outlen,
1000 mlx5_cmd_cbk_t callback, void *context);
1001 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
1002 struct mlx5_core_mr *mr,
1003 u32 *in, int inlen);
1004 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey);
1005 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mkey,
1006 u32 *out, int outlen);
1007 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
1009 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
1010 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
1011 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
1012 u16 opmod, u8 port);
1013 void mlx5_fwp_flush(struct mlx5_fw_page *fwp);
1014 void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp);
1015 struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num);
1016 void mlx5_fwp_free(struct mlx5_fw_page *fwp);
1017 u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset);
1018 void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset);
1019 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
1020 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
1021 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
1022 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
1023 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
1025 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1026 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1027 s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev);
1028 void mlx5_register_debugfs(void);
1029 void mlx5_unregister_debugfs(void);
1030 int mlx5_eq_init(struct mlx5_core_dev *dev);
1031 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
1032 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
1033 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
1034 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
1035 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
1036 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
1037 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector, enum mlx5_cmd_mode mode);
1038 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
1039 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
1040 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
1041 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1042 int mlx5_start_eqs(struct mlx5_core_dev *dev);
1043 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
1044 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
1045 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1046 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1047 int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable,
1050 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1051 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1052 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1053 int size_in, void *data_out, int size_out,
1054 u16 reg_num, int arg, int write);
1056 void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
1058 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1059 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1060 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
1061 u32 *out, int outlen);
1062 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
1063 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
1064 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
1065 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
1066 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1067 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1069 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1071 const char *mlx5_command_str(int command);
1072 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1073 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1074 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1075 int npsvs, u32 *sig_index);
1076 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1077 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1078 u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev);
1079 int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode);
1080 int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout);
1081 int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout);
1082 int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode);
1083 int mlx5_core_access_pvlc(struct mlx5_core_dev *dev,
1084 struct mlx5_pvlc_reg *pvlc, int write);
1085 int mlx5_core_access_ptys(struct mlx5_core_dev *dev,
1086 struct mlx5_ptys_reg *ptys, int write);
1087 int mlx5_core_access_pmtu(struct mlx5_core_dev *dev,
1088 struct mlx5_pmtu_reg *pmtu, int write);
1089 int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port);
1090 int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port);
1091 int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1092 int priority, int *is_enable);
1093 int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1094 int priority, int enable);
1095 int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol,
1096 void *out, int out_size);
1097 int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev,
1098 void *in, int in_size);
1099 int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear,
1100 void *out, int out_size);
1101 int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in,
1103 int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev,
1104 u8 num_of_samples, u16 sample_index,
1105 void *out, int out_size);
1106 int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev);
1107 int mlx5_vsc_lock(struct mlx5_core_dev *mdev);
1108 void mlx5_vsc_unlock(struct mlx5_core_dev *mdev);
1109 int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space);
1110 int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, const u32 *data);
1111 int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data);
1112 int mlx5_vsc_lock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1113 int mlx5_vsc_unlock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1115 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1120 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1122 return mkey_idx << 8;
1125 static inline u8 mlx5_mkey_variant(u32 mkey)
1131 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
1132 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
1136 MAX_MR_CACHE_ENTRIES = 15,
1139 struct mlx5_interface {
1140 void * (*add)(struct mlx5_core_dev *dev);
1141 void (*remove)(struct mlx5_core_dev *dev, void *context);
1142 void (*event)(struct mlx5_core_dev *dev, void *context,
1143 enum mlx5_dev_event event, unsigned long param);
1144 void * (*get_dev)(void *context);
1146 struct list_head list;
1149 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1150 int mlx5_register_interface(struct mlx5_interface *intf);
1151 void mlx5_unregister_interface(struct mlx5_interface *intf);
1153 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1154 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1155 u8 roce_version, u8 roce_l3_type, const u8 *gid,
1156 const u8 *mac, bool vlan, u16 vlan_id);
1158 struct mlx5_profile {
1164 } mr_cache[MAX_MR_CACHE_ENTRIES];
1168 MLX5_PCI_DEV_IS_VF = 1 << 0,
1172 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1175 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1177 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1180 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1181 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1182 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst, u16 *index);
1183 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst);
1184 bool mlx5_rl_is_in_range(const struct mlx5_core_dev *dev, u32 rate, u32 burst);
1186 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1188 return !!(dev->priv.rl_table.max_size);
1192 #endif /* MLX5_DRIVER_H */