cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mthca_cmd.h (10276B)


      1/*
      2 * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
      3 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
      4 * Copyright (c) 2006 Cisco Systems.  All rights reserved.
      5 *
      6 * This software is available to you under a choice of one of two
      7 * licenses.  You may choose to be licensed under the terms of the GNU
      8 * General Public License (GPL) Version 2, available from the file
      9 * COPYING in the main directory of this source tree, or the
     10 * OpenIB.org BSD license below:
     11 *
     12 *     Redistribution and use in source and binary forms, with or
     13 *     without modification, are permitted provided that the following
     14 *     conditions are met:
     15 *
     16 *      - Redistributions of source code must retain the above
     17 *        copyright notice, this list of conditions and the following
     18 *        disclaimer.
     19 *
     20 *      - Redistributions in binary form must reproduce the above
     21 *        copyright notice, this list of conditions and the following
     22 *        disclaimer in the documentation and/or other materials
     23 *        provided with the distribution.
     24 *
     25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     32 * SOFTWARE.
     33 */
     34
     35#ifndef MTHCA_CMD_H
     36#define MTHCA_CMD_H
     37
     38#include <rdma/ib_verbs.h>
     39
     40#define MTHCA_MAILBOX_SIZE 4096
     41
     42enum {
     43	/* command completed successfully: */
     44	MTHCA_CMD_STAT_OK 	      = 0x00,
     45	/* Internal error (such as a bus error) occurred while processing command: */
     46	MTHCA_CMD_STAT_INTERNAL_ERR   = 0x01,
     47	/* Operation/command not supported or opcode modifier not supported: */
     48	MTHCA_CMD_STAT_BAD_OP 	      = 0x02,
     49	/* Parameter not supported or parameter out of range: */
     50	MTHCA_CMD_STAT_BAD_PARAM      = 0x03,
     51	/* System not enabled or bad system state: */
     52	MTHCA_CMD_STAT_BAD_SYS_STATE  = 0x04,
     53	/* Attempt to access reserved or unallocaterd resource: */
     54	MTHCA_CMD_STAT_BAD_RESOURCE   = 0x05,
     55	/* Requested resource is currently executing a command, or is otherwise busy: */
     56	MTHCA_CMD_STAT_RESOURCE_BUSY  = 0x06,
     57	/* memory error: */
     58	MTHCA_CMD_STAT_DDR_MEM_ERR    = 0x07,
     59	/* Required capability exceeds device limits: */
     60	MTHCA_CMD_STAT_EXCEED_LIM     = 0x08,
     61	/* Resource is not in the appropriate state or ownership: */
     62	MTHCA_CMD_STAT_BAD_RES_STATE  = 0x09,
     63	/* Index out of range: */
     64	MTHCA_CMD_STAT_BAD_INDEX      = 0x0a,
     65	/* FW image corrupted: */
     66	MTHCA_CMD_STAT_BAD_NVMEM      = 0x0b,
     67	/* Attempt to modify a QP/EE which is not in the presumed state: */
     68	MTHCA_CMD_STAT_BAD_QPEE_STATE = 0x10,
     69	/* Bad segment parameters (Address/Size): */
     70	MTHCA_CMD_STAT_BAD_SEG_PARAM  = 0x20,
     71	/* Memory Region has Memory Windows bound to: */
     72	MTHCA_CMD_STAT_REG_BOUND      = 0x21,
     73	/* HCA local attached memory not present: */
     74	MTHCA_CMD_STAT_LAM_NOT_PRE    = 0x22,
     75	/* Bad management packet (silently discarded): */
     76	MTHCA_CMD_STAT_BAD_PKT 	      = 0x30,
     77	/* More outstanding CQEs in CQ than new CQ size: */
     78	MTHCA_CMD_STAT_BAD_SIZE       = 0x40
     79};
     80
     81enum {
     82	MTHCA_TRANS_INVALID = 0,
     83	MTHCA_TRANS_RST2INIT,
     84	MTHCA_TRANS_INIT2INIT,
     85	MTHCA_TRANS_INIT2RTR,
     86	MTHCA_TRANS_RTR2RTS,
     87	MTHCA_TRANS_RTS2RTS,
     88	MTHCA_TRANS_SQERR2RTS,
     89	MTHCA_TRANS_ANY2ERR,
     90	MTHCA_TRANS_RTS2SQD,
     91	MTHCA_TRANS_SQD2SQD,
     92	MTHCA_TRANS_SQD2RTS,
     93	MTHCA_TRANS_ANY2RST,
     94};
     95
     96enum {
     97	DEV_LIM_FLAG_RC                 = 1 << 0,
     98	DEV_LIM_FLAG_UC                 = 1 << 1,
     99	DEV_LIM_FLAG_UD                 = 1 << 2,
    100	DEV_LIM_FLAG_RD                 = 1 << 3,
    101	DEV_LIM_FLAG_RAW_IPV6           = 1 << 4,
    102	DEV_LIM_FLAG_RAW_ETHER          = 1 << 5,
    103	DEV_LIM_FLAG_SRQ                = 1 << 6,
    104	DEV_LIM_FLAG_IPOIB_CSUM		= 1 << 7,
    105	DEV_LIM_FLAG_BAD_PKEY_CNTR      = 1 << 8,
    106	DEV_LIM_FLAG_BAD_QKEY_CNTR      = 1 << 9,
    107	DEV_LIM_FLAG_MW                 = 1 << 16,
    108	DEV_LIM_FLAG_AUTO_PATH_MIG      = 1 << 17,
    109	DEV_LIM_FLAG_ATOMIC             = 1 << 18,
    110	DEV_LIM_FLAG_RAW_MULTI          = 1 << 19,
    111	DEV_LIM_FLAG_UD_AV_PORT_ENFORCE = 1 << 20,
    112	DEV_LIM_FLAG_UD_MULTI           = 1 << 21,
    113};
    114
    115struct mthca_mailbox {
    116	dma_addr_t dma;
    117	void      *buf;
    118};
    119
    120struct mthca_dev_lim {
    121	int max_srq_sz;
    122	int max_qp_sz;
    123	int reserved_qps;
    124	int max_qps;
    125	int reserved_srqs;
    126	int max_srqs;
    127	int reserved_eecs;
    128	int max_eecs;
    129	int max_cq_sz;
    130	int reserved_cqs;
    131	int max_cqs;
    132	int max_mpts;
    133	int reserved_eqs;
    134	int max_eqs;
    135	int reserved_mtts;
    136	int max_mrw_sz;
    137	int reserved_mrws;
    138	int max_mtt_seg;
    139	int max_requester_per_qp;
    140	int max_responder_per_qp;
    141	int max_rdma_global;
    142	int local_ca_ack_delay;
    143	int max_mtu;
    144	int max_port_width;
    145	int max_vl;
    146	int num_ports;
    147	int max_gids;
    148	u16 stat_rate_support;
    149	int max_pkeys;
    150	u32 flags;
    151	int reserved_uars;
    152	int uar_size;
    153	int min_page_sz;
    154	int max_sg;
    155	int max_desc_sz;
    156	int max_qp_per_mcg;
    157	int reserved_mgms;
    158	int max_mcgs;
    159	int reserved_pds;
    160	int max_pds;
    161	int reserved_rdds;
    162	int max_rdds;
    163	int eec_entry_sz;
    164	int qpc_entry_sz;
    165	int eeec_entry_sz;
    166	int eqpc_entry_sz;
    167	int eqc_entry_sz;
    168	int cqc_entry_sz;
    169	int srq_entry_sz;
    170	int uar_scratch_entry_sz;
    171	int mpt_entry_sz;
    172	union {
    173		struct {
    174			int max_avs;
    175		} tavor;
    176		struct {
    177			int resize_srq;
    178			int max_pbl_sz;
    179			u8  bmme_flags;
    180			u32 reserved_lkey;
    181			int lam_required;
    182			u64 max_icm_sz;
    183		} arbel;
    184	} hca;
    185};
    186
    187struct mthca_adapter {
    188	u32  vendor_id;
    189	u32  device_id;
    190	u32  revision_id;
    191	char board_id[MTHCA_BOARD_ID_LEN];
    192	u8   inta_pin;
    193};
    194
    195struct mthca_init_hca_param {
    196	u64 qpc_base;
    197	u64 eec_base;
    198	u64 srqc_base;
    199	u64 cqc_base;
    200	u64 eqpc_base;
    201	u64 eeec_base;
    202	u64 eqc_base;
    203	u64 rdb_base;
    204	u64 mc_base;
    205	u64 mpt_base;
    206	u64 mtt_base;
    207	u64 uar_scratch_base;
    208	u64 uarc_base;
    209	u16 log_mc_entry_sz;
    210	u16 mc_hash_sz;
    211	u8  log_num_qps;
    212	u8  log_num_eecs;
    213	u8  log_num_srqs;
    214	u8  log_num_cqs;
    215	u8  log_num_eqs;
    216	u8  log_mc_table_sz;
    217	u8  mtt_seg_sz;
    218	u8  log_mpt_sz;
    219	u8  log_uar_sz;
    220	u8  log_uarc_sz;
    221};
    222
    223struct mthca_init_ib_param {
    224	int port_width;
    225	int vl_cap;
    226	int mtu_cap;
    227	u16 gid_cap;
    228	u16 pkey_cap;
    229	int set_guid0;
    230	u64 guid0;
    231	int set_node_guid;
    232	u64 node_guid;
    233	int set_si_guid;
    234	u64 si_guid;
    235};
    236
    237struct mthca_set_ib_param {
    238	int set_si_guid;
    239	int reset_qkey_viol;
    240	u64 si_guid;
    241	u32 cap_mask;
    242};
    243
    244int mthca_cmd_init(struct mthca_dev *dev);
    245void mthca_cmd_cleanup(struct mthca_dev *dev);
    246int mthca_cmd_use_events(struct mthca_dev *dev);
    247void mthca_cmd_use_polling(struct mthca_dev *dev);
    248void mthca_cmd_event(struct mthca_dev *dev, u16 token,
    249		     u8  status, u64 out_param);
    250
    251struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev,
    252					  gfp_t gfp_mask);
    253void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox);
    254
    255int mthca_SYS_EN(struct mthca_dev *dev);
    256int mthca_SYS_DIS(struct mthca_dev *dev);
    257int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm);
    258int mthca_UNMAP_FA(struct mthca_dev *dev);
    259int mthca_RUN_FW(struct mthca_dev *dev);
    260int mthca_QUERY_FW(struct mthca_dev *dev);
    261int mthca_ENABLE_LAM(struct mthca_dev *dev);
    262int mthca_DISABLE_LAM(struct mthca_dev *dev);
    263int mthca_QUERY_DDR(struct mthca_dev *dev);
    264int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
    265			struct mthca_dev_lim *dev_lim);
    266int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
    267			struct mthca_adapter *adapter);
    268int mthca_INIT_HCA(struct mthca_dev *dev,
    269		   struct mthca_init_hca_param *param);
    270int mthca_INIT_IB(struct mthca_dev *dev,
    271		  struct mthca_init_ib_param *param,
    272		  int port);
    273int mthca_CLOSE_IB(struct mthca_dev *dev, int port);
    274int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic);
    275int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param,
    276		 int port);
    277int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt);
    278int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt);
    279int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count);
    280int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm);
    281int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev);
    282int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages);
    283int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    284		    int mpt_index);
    285int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    286		    int mpt_index);
    287int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    288		    int num_mtt);
    289int mthca_SYNC_TPT(struct mthca_dev *dev);
    290int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
    291		 int eq_num);
    292int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    293		   int eq_num);
    294int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    295		   int eq_num);
    296int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    297		   int cq_num);
    298int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    299		   int cq_num);
    300int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size);
    301int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    302		    int srq_num);
    303int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    304		    int srq_num);
    305int mthca_QUERY_SRQ(struct mthca_dev *dev, u32 num,
    306		    struct mthca_mailbox *mailbox);
    307int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit);
    308int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur,
    309		    enum ib_qp_state next, u32 num, int is_ee,
    310		    struct mthca_mailbox *mailbox, u32 optmask);
    311int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
    312		   struct mthca_mailbox *mailbox);
    313int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn);
    314int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
    315		  int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
    316		  const void *in_mad, void *response_mad);
    317int mthca_READ_MGM(struct mthca_dev *dev, int index,
    318		   struct mthca_mailbox *mailbox);
    319int mthca_WRITE_MGM(struct mthca_dev *dev, int index,
    320		    struct mthca_mailbox *mailbox);
    321int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
    322		    u16 *hash);
    323int mthca_NOP(struct mthca_dev *dev);
    324
    325#endif /* MTHCA_CMD_H */