2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007 Cisco Systems. All rights reserved.
5 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
8 * This software is available to you under a choice of one of two
9 * licenses. You may choose to be licensed under the terms of the GNU
10 * General Public License (GPL) Version 2, available from the file
11 * COPYING in the main directory of this source tree, or the
12 * OpenIB.org BSD license below:
14 * Redistribution and use in source and binary forms, with or
15 * without modification, are permitted provided that the following
18 * - Redistributions of source code must retain the above
19 * copyright notice, this list of conditions and the following
22 * - Redistributions in binary form must reproduce the above
23 * copyright notice, this list of conditions and the following
24 * disclaimer in the documentation and/or other materials
25 * provided with the distribution.
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
40 #include <linux/mutex.h>
41 #include <linux/radix-tree.h>
42 #include <linux/rbtree.h>
43 #include <linux/timer.h>
44 #include <linux/semaphore.h>
45 #include <linux/workqueue.h>
46 #include <linux/interrupt.h>
47 #include <linux/spinlock.h>
49 #include <linux/mlx4/device.h>
50 #include <linux/mlx4/driver.h>
51 #include <linux/mlx4/doorbell.h>
52 #include <linux/mlx4/cmd.h>
55 #define DRV_NAME "mlx4_core"
56 #define PFX DRV_NAME ": "
57 #define DRV_VERSION "2.2-1"
58 #define DRV_RELDATE "Feb, 2014"
60 #define MLX4_FS_UDP_UC_EN (1 << 1)
61 #define MLX4_FS_TCP_UC_EN (1 << 2)
62 #define MLX4_FS_NUM_OF_L2_ADDR 8
63 #define MLX4_FS_MGM_LOG_ENTRY_SIZE 7
64 #define MLX4_FS_NUM_MCG (1 << 17)
66 #define INIT_HCA_TPT_MW_ENABLE (1 << 7)
69 MLX4_HCR_BASE = 0x80680,
70 MLX4_HCR_SIZE = 0x0001c,
71 MLX4_CLR_INT_SIZE = 0x00008,
72 MLX4_SLAVE_COMM_BASE = 0x0,
73 MLX4_COMM_PAGESIZE = 0x1000,
74 MLX4_CLOCK_SIZE = 0x00008,
75 MLX4_COMM_CHAN_CAPS = 0x8,
76 MLX4_COMM_CHAN_FLAGS = 0xc
80 MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10,
81 MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7,
82 MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12,
83 MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE) / 16 - 2),
84 MLX4_MTT_ENTRY_PER_SEG = 8,
88 MLX4_NUM_PDS = 1 << 15
92 MLX4_CMPT_TYPE_QP = 0,
93 MLX4_CMPT_TYPE_SRQ = 1,
94 MLX4_CMPT_TYPE_CQ = 2,
95 MLX4_CMPT_TYPE_EQ = 3,
100 MLX4_CMPT_SHIFT = 24,
101 MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
104 enum mlx4_mpt_state {
105 MLX4_MPT_DISABLED = 0,
110 #define MLX4_COMM_TIME 10000
111 #define MLX4_COMM_OFFLINE_TIME_OUT 30000
112 #define MLX4_COMM_CMD_NA_OP 0x0
120 MLX4_COMM_CMD_VHCR_EN,
121 MLX4_COMM_CMD_VHCR_POST,
122 MLX4_COMM_CMD_FLR = 254
126 MLX4_VF_SMI_DISABLED,
130 /*The flag indicates that the slave should delay the RESET cmd*/
131 #define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
132 /*indicates how many retries will be done if we are in the middle of FLR*/
133 #define NUM_OF_RESET_RETRIES 10
134 #define SLEEP_TIME_IN_RESET (2 * 1000)
147 MLX4_NUM_OF_RESOURCE_TYPE
150 enum mlx4_alloc_mode {
152 RES_OP_RESERVE_AND_MAP,
156 enum mlx4_res_tracker_free_type {
158 RES_TR_FREE_SLAVES_ONLY,
159 RES_TR_FREE_STRUCTS_ONLY,
163 *Virtual HCR structures.
164 * mlx4_vhcr is the sw representation, in machine endianness
166 * mlx4_vhcr_cmd is the formalized structure, the one that is passed
167 * to FW to go through communication channel.
168 * It is big endian, and has the same structure as the physical HCR
169 * used by command interface
182 struct mlx4_vhcr_cmd {
194 struct mlx4_cmd_info {
199 bool encode_slave_id;
200 int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
201 struct mlx4_cmd_mailbox *inbox);
202 int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
203 struct mlx4_cmd_mailbox *inbox,
204 struct mlx4_cmd_mailbox *outbox,
205 struct mlx4_cmd_info *cmd);
208 #ifdef CONFIG_MLX4_DEBUG
209 extern int mlx4_debug_level;
210 #else /* CONFIG_MLX4_DEBUG */
211 #define mlx4_debug_level (0)
212 #endif /* CONFIG_MLX4_DEBUG */
214 #define mlx4_dbg(mdev, format, ...) \
216 if (mlx4_debug_level) \
217 dev_printk(KERN_DEBUG, \
218 &(mdev)->persist->pdev->dev, format, \
222 #define mlx4_err(mdev, format, ...) \
223 dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
224 #define mlx4_info(mdev, format, ...) \
225 dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
226 #define mlx4_warn(mdev, format, ...) \
227 dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
229 extern int mlx4_log_num_mgm_entry_size;
230 extern int log_mtts_per_seg;
231 extern int mlx4_internal_err_reset;
233 #define MLX4_MAX_NUM_SLAVES (min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
235 #define ALL_SLAVES 0xff
246 unsigned long *table;
250 unsigned long **bits;
251 unsigned int *num_free;
258 struct mlx4_icm_table {
266 struct mlx4_icm **icm;
269 #define MLX4_MPT_FLAG_SW_OWNS (0xfUL << 28)
270 #define MLX4_MPT_FLAG_FREE (0x3UL << 28)
271 #define MLX4_MPT_FLAG_MIO (1 << 17)
272 #define MLX4_MPT_FLAG_BIND_ENABLE (1 << 15)
273 #define MLX4_MPT_FLAG_PHYSICAL (1 << 9)
274 #define MLX4_MPT_FLAG_REGION (1 << 8)
276 #define MLX4_MPT_PD_MASK (0x1FFFFUL)
277 #define MLX4_MPT_PD_VF_MASK (0xFE0000UL)
278 #define MLX4_MPT_PD_FLAG_FAST_REG (1 << 27)
279 #define MLX4_MPT_PD_FLAG_RAE (1 << 28)
280 #define MLX4_MPT_PD_FLAG_EN_INV (3 << 24)
282 #define MLX4_MPT_QP_FLAG_BOUND_QP (1 << 7)
284 #define MLX4_MPT_STATUS_SW 0xF0
285 #define MLX4_MPT_STATUS_HW 0x00
287 #define MLX4_CQE_SIZE_MASK_STRIDE 0x3
288 #define MLX4_EQE_SIZE_MASK_STRIDE 0x30
291 * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
293 struct mlx4_mpt_entry {
307 __be32 first_byte_offset;
311 * Must be packed because start is 64 bits but only aligned to 32 bits.
313 struct mlx4_eq_context {
327 __be32 mtt_base_addr_l;
329 __be32 consumer_index;
330 __be32 producer_index;
334 struct mlx4_cq_context {
338 __be32 logsize_usrpage;
346 __be32 mtt_base_addr_l;
347 __be32 last_notified_index;
348 __be32 solicit_producer_index;
349 __be32 consumer_index;
350 __be32 producer_index;
355 struct mlx4_srq_context {
356 __be32 state_logsize_srqn;
360 __be32 pg_offset_cqn;
365 __be32 mtt_base_addr_l;
367 __be16 limit_watermark;
375 struct mlx4_eq_tasklet {
376 struct list_head list;
377 struct list_head process_list;
378 struct tasklet_struct task;
379 /* lock on completion tasklet list */
384 struct mlx4_dev *dev;
385 void __iomem *doorbell;
391 struct mlx4_buf_list *page_list;
393 struct mlx4_eq_tasklet tasklet_ctx;
396 struct mlx4_slave_eqe {
402 struct mlx4_slave_event_eq_info {
407 struct mlx4_profile {
422 struct mlx4_icm *fw_icm;
423 struct mlx4_icm *aux_icm;
438 MLX4_MCAST_CONFIG = 0,
439 MLX4_MCAST_DISABLE = 1,
440 MLX4_MCAST_ENABLE = 2,
443 #define VLAN_FLTR_SIZE 128
445 struct mlx4_vlan_fltr {
446 __be32 entry[VLAN_FLTR_SIZE];
449 struct mlx4_mcast_entry {
450 struct list_head list;
454 struct mlx4_promisc_qp {
455 struct list_head list;
459 struct mlx4_steer_index {
460 struct list_head list;
462 struct list_head duplicates;
465 #define MLX4_EVENT_TYPES_NUM 64
467 struct mlx4_slave_state {
475 u16 mtu[MLX4_MAX_PORTS + 1];
476 __be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
477 struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
478 struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
479 struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
480 /* event type to eq number lookup */
481 struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
485 /*initialized via the kzalloc*/
486 u8 is_slave_going_down;
488 enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
491 #define MLX4_VGT 4095
494 struct mlx4_vport_state {
505 struct mlx4_vf_admin_state {
506 struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
507 u8 enable_smi[MLX4_MAX_PORTS + 1];
510 struct mlx4_vport_oper_state {
511 struct mlx4_vport_state state;
516 struct mlx4_vf_oper_state {
517 struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
518 u8 smi_enabled[MLX4_MAX_PORTS + 1];
523 struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
526 struct resource_allocator {
527 spinlock_t alloc_lock; /* protect quotas */
530 int res_port_rsvd[MLX4_MAX_PORTS];
534 int res_port_free[MLX4_MAX_PORTS];
541 struct mlx4_resource_tracker {
543 /* tree for each resources */
544 struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
545 /* num_of_slave's lists, one per slave */
546 struct slave_list *slave_list;
547 struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
550 #define SLAVE_EVENT_EQ_SIZE 128
551 struct mlx4_slave_event_eq {
555 spinlock_t event_lock;
556 struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
559 struct mlx4_qos_manager {
561 DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
564 struct mlx4_master_qp0_state {
565 int proxy_qp0_active;
570 struct mlx4_mfunc_master_ctx {
571 struct mlx4_slave_state *slave_state;
572 struct mlx4_vf_admin_state *vf_admin;
573 struct mlx4_vf_oper_state *vf_oper;
574 struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
575 int init_port_ref[MLX4_MAX_PORTS + 1];
576 u16 max_mtu[MLX4_MAX_PORTS + 1];
577 int disable_mcast_ref[MLX4_MAX_PORTS + 1];
578 struct mlx4_resource_tracker res_tracker;
579 struct workqueue_struct *comm_wq;
580 struct work_struct comm_work;
581 struct work_struct slave_event_work;
582 struct work_struct slave_flr_event_work;
583 spinlock_t slave_state_lock;
584 __be32 comm_arm_bit_vector[4];
585 struct mlx4_eqe cmd_eqe;
586 struct mlx4_slave_event_eq slave_eq;
587 struct mutex gen_eqe_mutex[MLX4_MFUNC_MAX];
588 struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
592 struct mlx4_comm __iomem *comm;
593 struct mlx4_vhcr_cmd *vhcr;
596 struct mlx4_mfunc_master_ctx master;
599 #define MGM_QPN_MASK 0x00FFFFFF
600 #define MGM_BLCK_LB_BIT 30
603 __be32 next_gid_index;
604 __be32 members_count;
607 __be32 qp[MLX4_MAX_QP_PER_MGM];
611 struct pci_pool *pool;
613 struct mutex slave_cmd_mutex;
614 struct semaphore poll_sem;
615 struct semaphore event_sem;
617 spinlock_t context_lock;
619 struct mlx4_cmd_context *context;
628 MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
629 MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
630 MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
632 struct mlx4_vf_immed_vlan_work {
633 struct work_struct work;
634 struct mlx4_priv *priv;
647 struct mlx4_uar_table {
648 struct mlx4_bitmap bitmap;
651 struct mlx4_mr_table {
652 struct mlx4_bitmap mpt_bitmap;
653 struct mlx4_buddy mtt_buddy;
656 struct mlx4_icm_table mtt_table;
657 struct mlx4_icm_table dmpt_table;
660 struct mlx4_cq_table {
661 struct mlx4_bitmap bitmap;
663 struct radix_tree_root tree;
664 struct mlx4_icm_table table;
665 struct mlx4_icm_table cmpt_table;
668 struct mlx4_eq_table {
669 struct mlx4_bitmap bitmap;
671 void __iomem *clr_int;
672 void __iomem **uar_map;
675 struct mlx4_icm_table table;
676 struct mlx4_icm_table cmpt_table;
681 struct mlx4_srq_table {
682 struct mlx4_bitmap bitmap;
684 struct radix_tree_root tree;
685 struct mlx4_icm_table table;
686 struct mlx4_icm_table cmpt_table;
689 enum mlx4_qp_table_zones {
690 MLX4_QP_TABLE_ZONE_GENERAL,
691 MLX4_QP_TABLE_ZONE_RSS,
692 MLX4_QP_TABLE_ZONE_RAW_ETH,
693 MLX4_QP_TABLE_ZONE_NUM
696 struct mlx4_qp_table {
697 struct mlx4_bitmap *bitmap_gen;
698 struct mlx4_zone_allocator *zones;
699 u32 zones_uids[MLX4_QP_TABLE_ZONE_NUM];
703 struct mlx4_icm_table qp_table;
704 struct mlx4_icm_table auxc_table;
705 struct mlx4_icm_table altc_table;
706 struct mlx4_icm_table rdmarc_table;
707 struct mlx4_icm_table cmpt_table;
710 struct mlx4_mcg_table {
712 struct mlx4_bitmap bitmap;
713 struct mlx4_icm_table table;
716 struct mlx4_catas_err {
718 struct timer_list timer;
719 struct list_head list;
722 #define MLX4_MAX_MAC_NUM 128
723 #define MLX4_MAC_TABLE_SIZE (MLX4_MAX_MAC_NUM << 3)
725 struct mlx4_mac_table {
726 __be64 entries[MLX4_MAX_MAC_NUM];
727 int refs[MLX4_MAX_MAC_NUM];
733 #define MLX4_ROCE_GID_ENTRY_SIZE 16
735 struct mlx4_roce_gid_entry {
736 u8 raw[MLX4_ROCE_GID_ENTRY_SIZE];
739 struct mlx4_roce_gid_table {
740 struct mlx4_roce_gid_entry roce_gids[MLX4_ROCE_MAX_GIDS];
744 #define MLX4_MAX_VLAN_NUM 128
745 #define MLX4_VLAN_TABLE_SIZE (MLX4_MAX_VLAN_NUM << 2)
747 struct mlx4_vlan_table {
748 __be32 entries[MLX4_MAX_VLAN_NUM];
749 int refs[MLX4_MAX_VLAN_NUM];
755 #define SET_PORT_GEN_ALL_VALID 0x7
756 #define SET_PORT_PROMISC_SHIFT 31
757 #define SET_PORT_MC_PROMISC_SHIFT 30
760 MCAST_DIRECT_ONLY = 0,
766 struct mlx4_set_port_general_context {
781 struct mlx4_set_port_rqp_calc_context {
799 struct mlx4_port_info {
800 struct mlx4_dev *dev;
803 struct device_attribute port_attr;
804 enum mlx4_port_type tmp_type;
805 char dev_mtu_name[16];
806 struct device_attribute port_mtu_attr;
807 struct mlx4_mac_table mac_table;
808 struct mlx4_vlan_table vlan_table;
809 struct mlx4_roce_gid_table gid_table;
814 struct mlx4_dev *dev;
815 u8 do_sense_port[MLX4_MAX_PORTS + 1];
816 u8 sense_allowed[MLX4_MAX_PORTS + 1];
817 struct delayed_work sense_poll;
820 struct mlx4_msix_ctl {
822 struct mutex pool_lock;
826 struct list_head promisc_qps[MLX4_NUM_STEERS];
827 struct list_head steer_entries[MLX4_NUM_STEERS];
831 MLX4_PCI_DEV_IS_VF = 1 << 0,
832 MLX4_PCI_DEV_FORCE_SENSE_PORT = 1 << 1,
843 struct list_head dev_list;
844 struct list_head ctx_list;
850 struct list_head pgdir_list;
851 struct mutex pgdir_mutex;
855 struct mlx4_mfunc mfunc;
857 struct mlx4_bitmap pd_bitmap;
858 struct mlx4_bitmap xrcd_bitmap;
859 struct mlx4_uar_table uar_table;
860 struct mlx4_mr_table mr_table;
861 struct mlx4_cq_table cq_table;
862 struct mlx4_eq_table eq_table;
863 struct mlx4_srq_table srq_table;
864 struct mlx4_qp_table qp_table;
865 struct mlx4_mcg_table mcg_table;
866 struct mlx4_bitmap counters_bitmap;
868 struct mlx4_catas_err catas_err;
870 void __iomem *clr_base;
872 struct mlx4_uar driver_uar;
874 struct mlx4_port_info port[MLX4_MAX_PORTS + 1];
875 struct mlx4_sense sense;
876 struct mutex port_mutex;
877 struct mlx4_msix_ctl msix_ctl;
878 struct mlx4_steer *steer;
879 struct list_head bf_list;
880 struct mutex bf_mutex;
881 struct io_mapping *bf_mapping;
882 void __iomem *clock_mapping;
885 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
886 struct mlx4_port_map v2p; /* cached port mapping configuration */
887 struct mutex bond_mutex; /* for bond mode */
888 __be64 slave_node_guids[MLX4_MFUNC_MAX];
890 atomic_t opreq_count;
891 struct work_struct opreq_task;
894 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
896 return container_of(dev, struct mlx4_priv, dev);
899 #define MLX4_SENSE_RANGE (HZ * 3)
901 extern struct workqueue_struct *mlx4_wq;
903 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
904 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
905 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
906 int align, u32 skip_mask);
907 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
909 u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
910 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
911 u32 reserved_bot, u32 resetrved_top);
912 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
914 int mlx4_reset(struct mlx4_dev *dev);
916 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
917 void mlx4_free_eq_table(struct mlx4_dev *dev);
919 int mlx4_init_pd_table(struct mlx4_dev *dev);
920 int mlx4_init_xrcd_table(struct mlx4_dev *dev);
921 int mlx4_init_uar_table(struct mlx4_dev *dev);
922 int mlx4_init_mr_table(struct mlx4_dev *dev);
923 int mlx4_init_eq_table(struct mlx4_dev *dev);
924 int mlx4_init_cq_table(struct mlx4_dev *dev);
925 int mlx4_init_qp_table(struct mlx4_dev *dev);
926 int mlx4_init_srq_table(struct mlx4_dev *dev);
927 int mlx4_init_mcg_table(struct mlx4_dev *dev);
929 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
930 void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
931 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
932 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
933 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
934 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
935 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
936 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
937 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
938 int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp);
939 void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
940 int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
941 void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
942 int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
943 void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
944 int __mlx4_mpt_reserve(struct mlx4_dev *dev);
945 void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
946 int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp);
947 void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
948 u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
949 void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
951 int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
952 struct mlx4_vhcr *vhcr,
953 struct mlx4_cmd_mailbox *inbox,
954 struct mlx4_cmd_mailbox *outbox,
955 struct mlx4_cmd_info *cmd);
956 int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
957 struct mlx4_vhcr *vhcr,
958 struct mlx4_cmd_mailbox *inbox,
959 struct mlx4_cmd_mailbox *outbox,
960 struct mlx4_cmd_info *cmd);
961 int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
962 struct mlx4_vhcr *vhcr,
963 struct mlx4_cmd_mailbox *inbox,
964 struct mlx4_cmd_mailbox *outbox,
965 struct mlx4_cmd_info *cmd);
966 int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
967 struct mlx4_vhcr *vhcr,
968 struct mlx4_cmd_mailbox *inbox,
969 struct mlx4_cmd_mailbox *outbox,
970 struct mlx4_cmd_info *cmd);
971 int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
972 struct mlx4_vhcr *vhcr,
973 struct mlx4_cmd_mailbox *inbox,
974 struct mlx4_cmd_mailbox *outbox,
975 struct mlx4_cmd_info *cmd);
976 int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
977 struct mlx4_vhcr *vhcr,
978 struct mlx4_cmd_mailbox *inbox,
979 struct mlx4_cmd_mailbox *outbox,
980 struct mlx4_cmd_info *cmd);
981 int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
982 struct mlx4_vhcr *vhcr,
983 struct mlx4_cmd_mailbox *inbox,
984 struct mlx4_cmd_mailbox *outbox,
985 struct mlx4_cmd_info *cmd);
986 int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
987 struct mlx4_vhcr *vhcr,
988 struct mlx4_cmd_mailbox *inbox,
989 struct mlx4_cmd_mailbox *outbox,
990 struct mlx4_cmd_info *cmd);
991 int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
992 int *base, u8 flags);
993 void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
994 int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
995 void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
996 int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
997 int start_index, int npages, u64 *page_list);
998 int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
999 void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1000 int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1001 void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1003 void mlx4_start_catas_poll(struct mlx4_dev *dev);
1004 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
1005 int mlx4_catas_init(struct mlx4_dev *dev);
1006 void mlx4_catas_end(struct mlx4_dev *dev);
1007 int mlx4_restart_one(struct pci_dev *pdev);
1008 int mlx4_register_device(struct mlx4_dev *dev);
1009 void mlx4_unregister_device(struct mlx4_dev *dev);
1010 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
1011 unsigned long param);
1013 struct mlx4_dev_cap;
1014 struct mlx4_init_hca_param;
1016 u64 mlx4_make_profile(struct mlx4_dev *dev,
1017 struct mlx4_profile *request,
1018 struct mlx4_dev_cap *dev_cap,
1019 struct mlx4_init_hca_param *init_hca);
1020 void mlx4_master_comm_channel(struct work_struct *work);
1021 void mlx4_gen_slave_eqe(struct work_struct *work);
1022 void mlx4_master_handle_slave_flr(struct work_struct *work);
1024 int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
1025 struct mlx4_vhcr *vhcr,
1026 struct mlx4_cmd_mailbox *inbox,
1027 struct mlx4_cmd_mailbox *outbox,
1028 struct mlx4_cmd_info *cmd);
1029 int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
1030 struct mlx4_vhcr *vhcr,
1031 struct mlx4_cmd_mailbox *inbox,
1032 struct mlx4_cmd_mailbox *outbox,
1033 struct mlx4_cmd_info *cmd);
1034 int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
1035 struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
1036 struct mlx4_cmd_mailbox *outbox,
1037 struct mlx4_cmd_info *cmd);
1038 int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
1039 struct mlx4_vhcr *vhcr,
1040 struct mlx4_cmd_mailbox *inbox,
1041 struct mlx4_cmd_mailbox *outbox,
1042 struct mlx4_cmd_info *cmd);
1043 int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1044 struct mlx4_vhcr *vhcr,
1045 struct mlx4_cmd_mailbox *inbox,
1046 struct mlx4_cmd_mailbox *outbox,
1047 struct mlx4_cmd_info *cmd);
1048 int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
1049 struct mlx4_vhcr *vhcr,
1050 struct mlx4_cmd_mailbox *inbox,
1051 struct mlx4_cmd_mailbox *outbox,
1052 struct mlx4_cmd_info *cmd);
1053 int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1054 struct mlx4_vhcr *vhcr,
1055 struct mlx4_cmd_mailbox *inbox,
1056 struct mlx4_cmd_mailbox *outbox,
1057 struct mlx4_cmd_info *cmd);
1058 int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1059 struct mlx4_vhcr *vhcr,
1060 struct mlx4_cmd_mailbox *inbox,
1061 struct mlx4_cmd_mailbox *outbox,
1062 struct mlx4_cmd_info *cmd);
1063 int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1064 struct mlx4_vhcr *vhcr,
1065 struct mlx4_cmd_mailbox *inbox,
1066 struct mlx4_cmd_mailbox *outbox,
1067 struct mlx4_cmd_info *cmd);
1068 int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1069 struct mlx4_vhcr *vhcr,
1070 struct mlx4_cmd_mailbox *inbox,
1071 struct mlx4_cmd_mailbox *outbox,
1072 struct mlx4_cmd_info *cmd);
1073 int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1074 struct mlx4_vhcr *vhcr,
1075 struct mlx4_cmd_mailbox *inbox,
1076 struct mlx4_cmd_mailbox *outbox,
1077 struct mlx4_cmd_info *cmd);
1078 int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1079 struct mlx4_vhcr *vhcr,
1080 struct mlx4_cmd_mailbox *inbox,
1081 struct mlx4_cmd_mailbox *outbox,
1082 struct mlx4_cmd_info *cmd);
1083 int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1084 struct mlx4_vhcr *vhcr,
1085 struct mlx4_cmd_mailbox *inbox,
1086 struct mlx4_cmd_mailbox *outbox,
1087 struct mlx4_cmd_info *cmd);
1088 int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1089 struct mlx4_vhcr *vhcr,
1090 struct mlx4_cmd_mailbox *inbox,
1091 struct mlx4_cmd_mailbox *outbox,
1092 struct mlx4_cmd_info *cmd);
1093 int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
1094 struct mlx4_vhcr *vhcr,
1095 struct mlx4_cmd_mailbox *inbox,
1096 struct mlx4_cmd_mailbox *outbox,
1097 struct mlx4_cmd_info *cmd);
1098 int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1099 struct mlx4_vhcr *vhcr,
1100 struct mlx4_cmd_mailbox *inbox,
1101 struct mlx4_cmd_mailbox *outbox,
1102 struct mlx4_cmd_info *cmd);
1103 int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1104 struct mlx4_vhcr *vhcr,
1105 struct mlx4_cmd_mailbox *inbox,
1106 struct mlx4_cmd_mailbox *outbox,
1107 struct mlx4_cmd_info *cmd);
1108 int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
1109 struct mlx4_vhcr *vhcr,
1110 struct mlx4_cmd_mailbox *inbox,
1111 struct mlx4_cmd_mailbox *outbox,
1112 struct mlx4_cmd_info *cmd);
1113 int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1114 struct mlx4_vhcr *vhcr,
1115 struct mlx4_cmd_mailbox *inbox,
1116 struct mlx4_cmd_mailbox *outbox,
1117 struct mlx4_cmd_info *cmd);
1118 int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1119 struct mlx4_vhcr *vhcr,
1120 struct mlx4_cmd_mailbox *inbox,
1121 struct mlx4_cmd_mailbox *outbox,
1122 struct mlx4_cmd_info *cmd);
1123 int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1124 struct mlx4_vhcr *vhcr,
1125 struct mlx4_cmd_mailbox *inbox,
1126 struct mlx4_cmd_mailbox *outbox,
1127 struct mlx4_cmd_info *cmd);
1128 int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
1129 struct mlx4_vhcr *vhcr,
1130 struct mlx4_cmd_mailbox *inbox,
1131 struct mlx4_cmd_mailbox *outbox,
1132 struct mlx4_cmd_info *cmd);
1133 int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1134 struct mlx4_vhcr *vhcr,
1135 struct mlx4_cmd_mailbox *inbox,
1136 struct mlx4_cmd_mailbox *outbox,
1137 struct mlx4_cmd_info *cmd);
1138 int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1139 struct mlx4_vhcr *vhcr,
1140 struct mlx4_cmd_mailbox *inbox,
1141 struct mlx4_cmd_mailbox *outbox,
1142 struct mlx4_cmd_info *cmd);
1143 int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1144 struct mlx4_vhcr *vhcr,
1145 struct mlx4_cmd_mailbox *inbox,
1146 struct mlx4_cmd_mailbox *outbox,
1147 struct mlx4_cmd_info *cmd);
1148 int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
1149 struct mlx4_vhcr *vhcr,
1150 struct mlx4_cmd_mailbox *inbox,
1151 struct mlx4_cmd_mailbox *outbox,
1152 struct mlx4_cmd_info *cmd);
1153 int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
1154 struct mlx4_vhcr *vhcr,
1155 struct mlx4_cmd_mailbox *inbox,
1156 struct mlx4_cmd_mailbox *outbox,
1157 struct mlx4_cmd_info *cmd);
1159 int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
1162 MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
1163 MLX4_CMD_CLEANUP_POOL = 1UL << 1,
1164 MLX4_CMD_CLEANUP_HCR = 1UL << 2,
1165 MLX4_CMD_CLEANUP_VHCR = 1UL << 3,
1166 MLX4_CMD_CLEANUP_ALL = (MLX4_CMD_CLEANUP_VHCR << 1) - 1
1169 int mlx4_cmd_init(struct mlx4_dev *dev);
1170 void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
1171 int mlx4_multi_func_init(struct mlx4_dev *dev);
1172 int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
1173 void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
1174 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
1175 int mlx4_cmd_use_events(struct mlx4_dev *dev);
1176 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
1178 int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
1179 u16 op, unsigned long timeout);
1181 void mlx4_cq_tasklet_cb(unsigned long data);
1182 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
1183 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
1185 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
1187 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
1189 void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
1191 int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
1192 enum mlx4_port_type *type);
1193 void mlx4_do_sense_ports(struct mlx4_dev *dev,
1194 enum mlx4_port_type *stype,
1195 enum mlx4_port_type *defaults);
1196 void mlx4_start_sense(struct mlx4_dev *dev);
1197 void mlx4_stop_sense(struct mlx4_dev *dev);
1198 void mlx4_sense_init(struct mlx4_dev *dev);
1199 int mlx4_check_port_params(struct mlx4_dev *dev,
1200 enum mlx4_port_type *port_type);
1201 int mlx4_change_port_types(struct mlx4_dev *dev,
1202 enum mlx4_port_type *port_types);
1204 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
1205 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1206 void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
1207 struct mlx4_roce_gid_table *table);
1208 void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1209 int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1211 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
1212 /* resource tracker functions*/
1213 int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1214 enum mlx4_resource resource_type,
1215 u64 resource_id, int *slave);
1216 void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1217 void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
1218 int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1220 void mlx4_free_resource_tracker(struct mlx4_dev *dev,
1221 enum mlx4_res_tracker_free_type type);
1223 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1224 struct mlx4_vhcr *vhcr,
1225 struct mlx4_cmd_mailbox *inbox,
1226 struct mlx4_cmd_mailbox *outbox,
1227 struct mlx4_cmd_info *cmd);
1228 int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
1229 struct mlx4_vhcr *vhcr,
1230 struct mlx4_cmd_mailbox *inbox,
1231 struct mlx4_cmd_mailbox *outbox,
1232 struct mlx4_cmd_info *cmd);
1233 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1234 struct mlx4_vhcr *vhcr,
1235 struct mlx4_cmd_mailbox *inbox,
1236 struct mlx4_cmd_mailbox *outbox,
1237 struct mlx4_cmd_info *cmd);
1238 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1239 struct mlx4_vhcr *vhcr,
1240 struct mlx4_cmd_mailbox *inbox,
1241 struct mlx4_cmd_mailbox *outbox,
1242 struct mlx4_cmd_info *cmd);
1243 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1244 struct mlx4_vhcr *vhcr,
1245 struct mlx4_cmd_mailbox *inbox,
1246 struct mlx4_cmd_mailbox *outbox,
1247 struct mlx4_cmd_info *cmd);
1248 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1249 struct mlx4_vhcr *vhcr,
1250 struct mlx4_cmd_mailbox *inbox,
1251 struct mlx4_cmd_mailbox *outbox,
1252 struct mlx4_cmd_info *cmd);
1253 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1255 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1256 int *gid_tbl_len, int *pkey_tbl_len);
1258 int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1259 struct mlx4_vhcr *vhcr,
1260 struct mlx4_cmd_mailbox *inbox,
1261 struct mlx4_cmd_mailbox *outbox,
1262 struct mlx4_cmd_info *cmd);
1264 int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
1265 struct mlx4_vhcr *vhcr,
1266 struct mlx4_cmd_mailbox *inbox,
1267 struct mlx4_cmd_mailbox *outbox,
1268 struct mlx4_cmd_info *cmd);
1270 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1271 struct mlx4_vhcr *vhcr,
1272 struct mlx4_cmd_mailbox *inbox,
1273 struct mlx4_cmd_mailbox *outbox,
1274 struct mlx4_cmd_info *cmd);
1275 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1276 enum mlx4_protocol prot, enum mlx4_steer_type steer);
1277 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1278 int block_mcast_loopback, enum mlx4_protocol prot,
1279 enum mlx4_steer_type steer);
1280 int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1281 u8 gid[16], u8 port,
1282 int block_mcast_loopback,
1283 enum mlx4_protocol prot, u64 *reg_id);
1284 int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1285 struct mlx4_vhcr *vhcr,
1286 struct mlx4_cmd_mailbox *inbox,
1287 struct mlx4_cmd_mailbox *outbox,
1288 struct mlx4_cmd_info *cmd);
1289 int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1290 struct mlx4_vhcr *vhcr,
1291 struct mlx4_cmd_mailbox *inbox,
1292 struct mlx4_cmd_mailbox *outbox,
1293 struct mlx4_cmd_info *cmd);
1294 int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1295 int port, void *buf);
1296 int mlx4_common_dump_eth_stats(struct mlx4_dev *dev, int slave, u32 in_mod,
1297 struct mlx4_cmd_mailbox *outbox);
1298 int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
1299 struct mlx4_vhcr *vhcr,
1300 struct mlx4_cmd_mailbox *inbox,
1301 struct mlx4_cmd_mailbox *outbox,
1302 struct mlx4_cmd_info *cmd);
1303 int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave,
1304 struct mlx4_vhcr *vhcr,
1305 struct mlx4_cmd_mailbox *inbox,
1306 struct mlx4_cmd_mailbox *outbox,
1307 struct mlx4_cmd_info *cmd);
1308 int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
1309 struct mlx4_vhcr *vhcr,
1310 struct mlx4_cmd_mailbox *inbox,
1311 struct mlx4_cmd_mailbox *outbox,
1312 struct mlx4_cmd_info *cmd);
1313 int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1314 struct mlx4_vhcr *vhcr,
1315 struct mlx4_cmd_mailbox *inbox,
1316 struct mlx4_cmd_mailbox *outbox,
1317 struct mlx4_cmd_info *cmd);
1318 int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
1319 struct mlx4_vhcr *vhcr,
1320 struct mlx4_cmd_mailbox *inbox,
1321 struct mlx4_cmd_mailbox *outbox,
1322 struct mlx4_cmd_info *cmd);
1323 int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
1324 struct mlx4_vhcr *vhcr,
1325 struct mlx4_cmd_mailbox *inbox,
1326 struct mlx4_cmd_mailbox *outbox,
1327 struct mlx4_cmd_info *cmd);
1329 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1330 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1332 static inline void set_param_l(u64 *arg, u32 val)
1334 *arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
1337 static inline void set_param_h(u64 *arg, u32 val)
1339 *arg = (*arg & 0xffffffff) | ((u64) val << 32);
1342 static inline u32 get_param_l(u64 *arg)
1344 return (u32) (*arg & 0xffffffff);
1347 static inline u32 get_param_h(u64 *arg)
1349 return (u32)(*arg >> 32);
1352 static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1354 return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1357 #define NOT_MASKED_PD_BITS 17
1359 void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
1361 void mlx4_init_quotas(struct mlx4_dev *dev);
1363 int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
1364 /* Returns the VF index of slave */
1365 int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
1366 int mlx4_config_mad_demux(struct mlx4_dev *dev);
1367 int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
1369 enum mlx4_zone_flags {
1370 MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO = 1UL << 0,
1371 MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO = 1UL << 1,
1372 MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO = 1UL << 2,
1373 MLX4_ZONE_USE_RR = 1UL << 3,
1376 enum mlx4_zone_alloc_flags {
1377 /* No two objects could overlap between zones. UID
1378 * could be left unused. If this flag is given and
1379 * two overlapped zones are used, an object will be free'd
1380 * from the smallest possible matching zone.
1382 MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP = 1UL << 0,
1385 struct mlx4_zone_allocator;
1387 /* Create a new zone allocator */
1388 struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);
1390 /* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
1391 * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
1392 * Similarly, when searching for an object to free, this offset it taken into
1393 * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
1394 * is given through the MLX4_ZONE_USE_RR flag in <flags>.
1395 * When an allocation fails, <zone_alloc> tries to allocate from other zones
1396 * according to the policy set by <flags>. <puid> is the unique identifier
1397 * received to this zone.
1399 int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
1400 struct mlx4_bitmap *bitmap,
1406 /* Remove bitmap indicated by <uid> from <zone_alloc> */
1407 int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);
1409 /* Delete the zone allocator <zone_alloc. This function doesn't destroy
1410 * the attached bitmaps.
1412 void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);
1414 /* Allocate <count> objects with align <align> and skip_mask <skip_mask>
1415 * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
1416 * allocated from is returned in <puid>. If the allocation fails, a negative
1417 * number is returned. Otherwise, the offset of the first object is returned.
1419 u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
1420 int align, u32 skip_mask, u32 *puid);
1422 /* Free <count> objects, start from <obj> of the uid <uid> from zone_allocator
1425 u32 mlx4_zone_free_entries(struct mlx4_zone_allocator *zones,
1426 u32 uid, u32 obj, u32 count);
1428 /* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
1429 * specifying the uid when freeing an object, zone allocator could figure it by
1430 * itself. Other parameters are similar to mlx4_zone_free.
1432 u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);
1434 /* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
1435 struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);