1f931551bSRalph Campbell /* 21dd173b0SMike Marciniszyn * Copyright (c) 2012, 2013 Intel Corporation. All rights reserved. 31fb9fed6SMike Marciniszyn * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. 4f931551bSRalph Campbell * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. 5f931551bSRalph Campbell * 6f931551bSRalph Campbell * This software is available to you under a choice of one of two 7f931551bSRalph Campbell * licenses. You may choose to be licensed under the terms of the GNU 8f931551bSRalph Campbell * General Public License (GPL) Version 2, available from the file 9f931551bSRalph Campbell * COPYING in the main directory of this source tree, or the 10f931551bSRalph Campbell * OpenIB.org BSD license below: 11f931551bSRalph Campbell * 12f931551bSRalph Campbell * Redistribution and use in source and binary forms, with or 13f931551bSRalph Campbell * without modification, are permitted provided that the following 14f931551bSRalph Campbell * conditions are met: 15f931551bSRalph Campbell * 16f931551bSRalph Campbell * - Redistributions of source code must retain the above 17f931551bSRalph Campbell * copyright notice, this list of conditions and the following 18f931551bSRalph Campbell * disclaimer. 19f931551bSRalph Campbell * 20f931551bSRalph Campbell * - Redistributions in binary form must reproduce the above 21f931551bSRalph Campbell * copyright notice, this list of conditions and the following 22f931551bSRalph Campbell * disclaimer in the documentation and/or other materials 23f931551bSRalph Campbell * provided with the distribution. 24f931551bSRalph Campbell * 25f931551bSRalph Campbell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26f931551bSRalph Campbell * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27f931551bSRalph Campbell * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28f931551bSRalph Campbell * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29f931551bSRalph Campbell * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30f931551bSRalph Campbell * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31f931551bSRalph Campbell * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32f931551bSRalph Campbell * SOFTWARE. 33f931551bSRalph Campbell */ 34f931551bSRalph Campbell 35f931551bSRalph Campbell #ifndef QIB_VERBS_H 36f931551bSRalph Campbell #define QIB_VERBS_H 37f931551bSRalph Campbell 38f931551bSRalph Campbell #include <linux/types.h> 39f931551bSRalph Campbell #include <linux/spinlock.h> 40f931551bSRalph Campbell #include <linux/kernel.h> 41f931551bSRalph Campbell #include <linux/interrupt.h> 42f931551bSRalph Campbell #include <linux/kref.h> 43f931551bSRalph Campbell #include <linux/workqueue.h> 4485caafe3SMike Marciniszyn #include <linux/kthread.h> 456a82649fSMike Marciniszyn #include <linux/completion.h> 46f931551bSRalph Campbell #include <rdma/ib_pack.h> 47f931551bSRalph Campbell #include <rdma/ib_user_verbs.h> 482dc05ab5SDennis Dalessandro #include <rdma/rdma_vt.h> 494bb88e5fSHarish Chegondi #include <rdma/rdmavt_cq.h> 50f931551bSRalph Campbell 51f931551bSRalph Campbell struct qib_ctxtdata; 52f931551bSRalph Campbell struct qib_pportdata; 53f931551bSRalph Campbell struct qib_devdata; 54f931551bSRalph Campbell struct qib_verbs_txreq; 55f931551bSRalph Campbell 56f931551bSRalph Campbell #define QIB_MAX_RDMA_ATOMIC 16 57f931551bSRalph Campbell #define QIB_GUIDS_PER_PORT 5 5870696ea7SHarish Chegondi #define QIB_PSN_SHIFT 8 59f931551bSRalph Campbell 60f931551bSRalph Campbell /* 61f931551bSRalph Campbell * Increment this value if any changes that break userspace ABI 62f931551bSRalph Campbell * compatibility are made. 63f931551bSRalph Campbell */ 64f931551bSRalph Campbell #define QIB_UVERBS_ABI_VERSION 2 65f931551bSRalph Campbell 66f931551bSRalph Campbell #define IB_SEQ_NAK (3 << 29) 67f931551bSRalph Campbell 68f931551bSRalph Campbell /* AETH NAK opcode values */ 69f931551bSRalph Campbell #define IB_RNR_NAK 0x20 70f931551bSRalph Campbell #define IB_NAK_PSN_ERROR 0x60 71f931551bSRalph Campbell #define IB_NAK_INVALID_REQUEST 0x61 72f931551bSRalph Campbell #define IB_NAK_REMOTE_ACCESS_ERROR 0x62 73f931551bSRalph Campbell #define IB_NAK_REMOTE_OPERATIONAL_ERROR 0x63 74f931551bSRalph Campbell #define IB_NAK_INVALID_RD_REQUEST 0x64 75f931551bSRalph Campbell 76f931551bSRalph Campbell /* IB Performance Manager status values */ 77f931551bSRalph Campbell #define IB_PMA_SAMPLE_STATUS_DONE 0x00 78f931551bSRalph Campbell #define IB_PMA_SAMPLE_STATUS_STARTED 0x01 79f931551bSRalph Campbell #define IB_PMA_SAMPLE_STATUS_RUNNING 0x02 80f931551bSRalph Campbell 81f931551bSRalph Campbell /* Mandatory IB performance counter select values. */ 82f931551bSRalph Campbell #define IB_PMA_PORT_XMIT_DATA cpu_to_be16(0x0001) 83f931551bSRalph Campbell #define IB_PMA_PORT_RCV_DATA cpu_to_be16(0x0002) 84f931551bSRalph Campbell #define IB_PMA_PORT_XMIT_PKTS cpu_to_be16(0x0003) 85f931551bSRalph Campbell #define IB_PMA_PORT_RCV_PKTS cpu_to_be16(0x0004) 86f931551bSRalph Campbell #define IB_PMA_PORT_XMIT_WAIT cpu_to_be16(0x0005) 87f931551bSRalph Campbell 88f931551bSRalph Campbell #define QIB_VENDOR_IPG cpu_to_be16(0xFFA0) 89f931551bSRalph Campbell 90f931551bSRalph Campbell #define IB_BTH_REQ_ACK (1 << 31) 91f931551bSRalph Campbell #define IB_BTH_SOLICITED (1 << 23) 92f931551bSRalph Campbell #define IB_BTH_MIG_REQ (1 << 22) 93f931551bSRalph Campbell 94f931551bSRalph Campbell /* XXX Should be defined in ib_verbs.h enum ib_port_cap_flags */ 95f931551bSRalph Campbell #define IB_PORT_OTHER_LOCAL_CHANGES_SUP (1 << 26) 96f931551bSRalph Campbell 97f931551bSRalph Campbell #define IB_GRH_VERSION 6 98f931551bSRalph Campbell #define IB_GRH_VERSION_MASK 0xF 99f931551bSRalph Campbell #define IB_GRH_VERSION_SHIFT 28 100f931551bSRalph Campbell #define IB_GRH_TCLASS_MASK 0xFF 101f931551bSRalph Campbell #define IB_GRH_TCLASS_SHIFT 20 102f931551bSRalph Campbell #define IB_GRH_FLOW_MASK 0xFFFFF 103f931551bSRalph Campbell #define IB_GRH_FLOW_SHIFT 0 104f931551bSRalph Campbell #define IB_GRH_NEXT_HDR 0x1B 105f931551bSRalph Campbell 106f931551bSRalph Campbell #define IB_DEFAULT_GID_PREFIX cpu_to_be64(0xfe80000000000000ULL) 107f931551bSRalph Campbell 108f931551bSRalph Campbell /* Values for set/get portinfo VLCap OperationalVLs */ 109f931551bSRalph Campbell #define IB_VL_VL0 1 110f931551bSRalph Campbell #define IB_VL_VL0_1 2 111f931551bSRalph Campbell #define IB_VL_VL0_3 3 112f931551bSRalph Campbell #define IB_VL_VL0_7 4 113f931551bSRalph Campbell #define IB_VL_VL0_14 5 114f931551bSRalph Campbell 115f931551bSRalph Campbell static inline int qib_num_vls(int vls) 116f931551bSRalph Campbell { 117f931551bSRalph Campbell switch (vls) { 118f931551bSRalph Campbell default: 119f931551bSRalph Campbell case IB_VL_VL0: 120f931551bSRalph Campbell return 1; 121f931551bSRalph Campbell case IB_VL_VL0_1: 122f931551bSRalph Campbell return 2; 123f931551bSRalph Campbell case IB_VL_VL0_3: 124f931551bSRalph Campbell return 4; 125f931551bSRalph Campbell case IB_VL_VL0_7: 126f931551bSRalph Campbell return 8; 127f931551bSRalph Campbell case IB_VL_VL0_14: 128f931551bSRalph Campbell return 15; 129f931551bSRalph Campbell } 130f931551bSRalph Campbell } 131f931551bSRalph Campbell 132f931551bSRalph Campbell struct ib_reth { 133f931551bSRalph Campbell __be64 vaddr; 134f931551bSRalph Campbell __be32 rkey; 135f931551bSRalph Campbell __be32 length; 13678a58864SMike Marciniszyn } __packed; 137f931551bSRalph Campbell 138f931551bSRalph Campbell struct ib_atomic_eth { 139f931551bSRalph Campbell __be32 vaddr[2]; /* unaligned so access as 2 32-bit words */ 140f931551bSRalph Campbell __be32 rkey; 141f931551bSRalph Campbell __be64 swap_data; 142f931551bSRalph Campbell __be64 compare_data; 14378a58864SMike Marciniszyn } __packed; 144f931551bSRalph Campbell 145f931551bSRalph Campbell struct qib_other_headers { 146f931551bSRalph Campbell __be32 bth[3]; 147f931551bSRalph Campbell union { 148f931551bSRalph Campbell struct { 149f931551bSRalph Campbell __be32 deth[2]; 150f931551bSRalph Campbell __be32 imm_data; 151f931551bSRalph Campbell } ud; 152f931551bSRalph Campbell struct { 153f931551bSRalph Campbell struct ib_reth reth; 154f931551bSRalph Campbell __be32 imm_data; 155f931551bSRalph Campbell } rc; 156f931551bSRalph Campbell struct { 157f931551bSRalph Campbell __be32 aeth; 158f931551bSRalph Campbell __be32 atomic_ack_eth[2]; 159f931551bSRalph Campbell } at; 160f931551bSRalph Campbell __be32 imm_data; 161f931551bSRalph Campbell __be32 aeth; 162f931551bSRalph Campbell struct ib_atomic_eth atomic_eth; 163f931551bSRalph Campbell } u; 16478a58864SMike Marciniszyn } __packed; 165f931551bSRalph Campbell 166f931551bSRalph Campbell /* 167f931551bSRalph Campbell * Note that UD packets with a GRH header are 8+40+12+8 = 68 bytes 168f931551bSRalph Campbell * long (72 w/ imm_data). Only the first 56 bytes of the IB header 169f931551bSRalph Campbell * will be in the eager header buffer. The remaining 12 or 16 bytes 170f931551bSRalph Campbell * are in the data buffer. 171f931551bSRalph Campbell */ 172f931551bSRalph Campbell struct qib_ib_header { 173f931551bSRalph Campbell __be16 lrh[4]; 174f931551bSRalph Campbell union { 175f931551bSRalph Campbell struct { 176f931551bSRalph Campbell struct ib_grh grh; 177f931551bSRalph Campbell struct qib_other_headers oth; 178f931551bSRalph Campbell } l; 179f931551bSRalph Campbell struct qib_other_headers oth; 180f931551bSRalph Campbell } u; 18178a58864SMike Marciniszyn } __packed; 182f931551bSRalph Campbell 183f931551bSRalph Campbell struct qib_pio_header { 184f931551bSRalph Campbell __le32 pbc[2]; 185f931551bSRalph Campbell struct qib_ib_header hdr; 18678a58864SMike Marciniszyn } __packed; 187f931551bSRalph Campbell 188f931551bSRalph Campbell /* 189ffc26907SDennis Dalessandro * qib specific data structure that will be hidden from rvt after the queue pair 190ffc26907SDennis Dalessandro * is made common. 191ffc26907SDennis Dalessandro */ 192ffc26907SDennis Dalessandro struct qib_qp_priv { 193ffc26907SDennis Dalessandro struct qib_ib_header *s_hdr; /* next packet header to send */ 194ffc26907SDennis Dalessandro struct list_head iowait; /* link for wait PIO buf */ 195ffc26907SDennis Dalessandro atomic_t s_dma_busy; 196ffc26907SDennis Dalessandro struct qib_verbs_txreq *s_tx; 197ffc26907SDennis Dalessandro struct work_struct s_work; 198ffc26907SDennis Dalessandro wait_queue_head_t wait_dma; 1997c2e11feSDennis Dalessandro struct rvt_qp *owner; 200f931551bSRalph Campbell }; 201f931551bSRalph Campbell 202f931551bSRalph Campbell #define QIB_PSN_CREDIT 16 203f931551bSRalph Campbell 204f931551bSRalph Campbell struct qib_opcode_stats { 205f931551bSRalph Campbell u64 n_packets; /* number of packets */ 206f931551bSRalph Campbell u64 n_bytes; /* total number of bytes */ 207f931551bSRalph Campbell }; 208f931551bSRalph Campbell 209ddb88765SMike Marciniszyn struct qib_opcode_stats_perctx { 210ddb88765SMike Marciniszyn struct qib_opcode_stats stats[128]; 211ddb88765SMike Marciniszyn }; 212ddb88765SMike Marciniszyn 2137d7632adSMike Marciniszyn struct qib_pma_counters { 2147d7632adSMike Marciniszyn u64 n_unicast_xmit; /* total unicast packets sent */ 2157d7632adSMike Marciniszyn u64 n_unicast_rcv; /* total unicast packets received */ 2167d7632adSMike Marciniszyn u64 n_multicast_xmit; /* total multicast packets sent */ 2177d7632adSMike Marciniszyn u64 n_multicast_rcv; /* total multicast packets received */ 2187d7632adSMike Marciniszyn }; 2197d7632adSMike Marciniszyn 220f931551bSRalph Campbell struct qib_ibport { 221f24a6d48SHarish Chegondi struct rvt_ibport rvp; 2224eadd8ffSDennis Dalessandro struct rvt_ah *smi_ah; 223f931551bSRalph Campbell __be64 guids[QIB_GUIDS_PER_PORT - 1]; /* writable GUIDs */ 2247d7632adSMike Marciniszyn struct qib_pma_counters __percpu *pmastats; 2257d7632adSMike Marciniszyn u64 z_unicast_xmit; /* starting count for PMA */ 2267d7632adSMike Marciniszyn u64 z_unicast_rcv; /* starting count for PMA */ 2277d7632adSMike Marciniszyn u64 z_multicast_xmit; /* starting count for PMA */ 2287d7632adSMike Marciniszyn u64 z_multicast_rcv; /* starting count for PMA */ 229f931551bSRalph Campbell u64 z_symbol_error_counter; /* starting count for PMA */ 230f931551bSRalph Campbell u64 z_link_error_recovery_counter; /* starting count for PMA */ 231f931551bSRalph Campbell u64 z_link_downed_counter; /* starting count for PMA */ 232f931551bSRalph Campbell u64 z_port_rcv_errors; /* starting count for PMA */ 233f931551bSRalph Campbell u64 z_port_rcv_remphys_errors; /* starting count for PMA */ 234f931551bSRalph Campbell u64 z_port_xmit_discards; /* starting count for PMA */ 235f931551bSRalph Campbell u64 z_port_xmit_data; /* starting count for PMA */ 236f931551bSRalph Campbell u64 z_port_rcv_data; /* starting count for PMA */ 237f931551bSRalph Campbell u64 z_port_xmit_packets; /* starting count for PMA */ 238f931551bSRalph Campbell u64 z_port_rcv_packets; /* starting count for PMA */ 239f931551bSRalph Campbell u32 z_local_link_integrity_errors; /* starting count for PMA */ 240f931551bSRalph Campbell u32 z_excessive_buffer_overrun_errors; /* starting count for PMA */ 241f931551bSRalph Campbell u32 z_vl15_dropped; /* starting count for PMA */ 242f931551bSRalph Campbell u8 sl_to_vl[16]; 243f931551bSRalph Campbell }; 244f931551bSRalph Campbell 245f931551bSRalph Campbell struct qib_ibdev { 2462dc05ab5SDennis Dalessandro struct rvt_dev_info rdi; 247f931551bSRalph Campbell 248f931551bSRalph Campbell struct list_head piowait; /* list for wait PIO buf */ 249f931551bSRalph Campbell struct list_head dmawait; /* list for wait DMA */ 250f931551bSRalph Campbell struct list_head txwait; /* list for wait qib_verbs_txreq */ 251f931551bSRalph Campbell struct list_head memwait; /* list for wait kernel memory */ 252f931551bSRalph Campbell struct list_head txreq_free; 253f931551bSRalph Campbell struct timer_list mem_timer; 254f931551bSRalph Campbell struct qib_pio_header *pio_hdrs; 255f931551bSRalph Campbell dma_addr_t pio_hdrs_phys; 256af061a64SMike Marciniszyn u32 qp_rnd; /* random bytes for hash */ 257f931551bSRalph Campbell 258f931551bSRalph Campbell u32 n_piowait; 259f931551bSRalph Campbell u32 n_txwait; 260f931551bSRalph Campbell 261ddb88765SMike Marciniszyn #ifdef CONFIG_DEBUG_FS 262ddb88765SMike Marciniszyn /* per HCA debugfs */ 263ddb88765SMike Marciniszyn struct dentry *qib_ibdev_dbg; 264ddb88765SMike Marciniszyn #endif 265f931551bSRalph Campbell }; 266f931551bSRalph Campbell 267f931551bSRalph Campbell struct qib_verbs_counters { 268f931551bSRalph Campbell u64 symbol_error_counter; 269f931551bSRalph Campbell u64 link_error_recovery_counter; 270f931551bSRalph Campbell u64 link_downed_counter; 271f931551bSRalph Campbell u64 port_rcv_errors; 272f931551bSRalph Campbell u64 port_rcv_remphys_errors; 273f931551bSRalph Campbell u64 port_xmit_discards; 274f931551bSRalph Campbell u64 port_xmit_data; 275f931551bSRalph Campbell u64 port_rcv_data; 276f931551bSRalph Campbell u64 port_xmit_packets; 277f931551bSRalph Campbell u64 port_rcv_packets; 278f931551bSRalph Campbell u32 local_link_integrity_errors; 279f931551bSRalph Campbell u32 excessive_buffer_overrun_errors; 280f931551bSRalph Campbell u32 vl15_dropped; 281f931551bSRalph Campbell }; 282f931551bSRalph Campbell 283f931551bSRalph Campbell static inline struct qib_ibdev *to_idev(struct ib_device *ibdev) 284f931551bSRalph Campbell { 2852dc05ab5SDennis Dalessandro struct rvt_dev_info *rdi; 2862dc05ab5SDennis Dalessandro 2872dc05ab5SDennis Dalessandro rdi = container_of(ibdev, struct rvt_dev_info, ibdev); 2882dc05ab5SDennis Dalessandro return container_of(rdi, struct qib_ibdev, rdi); 289f931551bSRalph Campbell } 290f931551bSRalph Campbell 291f931551bSRalph Campbell /* 292f931551bSRalph Campbell * Send if not busy or waiting for I/O and either 293f931551bSRalph Campbell * a RC response is pending or we can process send work requests. 294f931551bSRalph Campbell */ 2957c2e11feSDennis Dalessandro static inline int qib_send_ok(struct rvt_qp *qp) 296f931551bSRalph Campbell { 29701ba79d4SHarish Chegondi return !(qp->s_flags & (RVT_S_BUSY | RVT_S_ANY_WAIT_IO)) && 29801ba79d4SHarish Chegondi (qp->s_hdrwords || (qp->s_flags & RVT_S_RESP_PENDING) || 29901ba79d4SHarish Chegondi !(qp->s_flags & RVT_S_ANY_WAIT_SEND)); 300f931551bSRalph Campbell } 301f931551bSRalph Campbell 30246a80d62SMike Marciniszyn void _qib_schedule_send(struct rvt_qp *qp); 3037c2e11feSDennis Dalessandro void qib_schedule_send(struct rvt_qp *qp); 304f931551bSRalph Campbell 305f931551bSRalph Campbell static inline int qib_pkey_ok(u16 pkey1, u16 pkey2) 306f931551bSRalph Campbell { 307f931551bSRalph Campbell u16 p1 = pkey1 & 0x7FFF; 308f931551bSRalph Campbell u16 p2 = pkey2 & 0x7FFF; 309f931551bSRalph Campbell 310f931551bSRalph Campbell /* 311f931551bSRalph Campbell * Low 15 bits must be non-zero and match, and 312f931551bSRalph Campbell * one of the two must be a full member. 313f931551bSRalph Campbell */ 314f931551bSRalph Campbell return p1 && p1 == p2 && ((__s16)pkey1 < 0 || (__s16)pkey2 < 0); 315f931551bSRalph Campbell } 316f931551bSRalph Campbell 317f931551bSRalph Campbell void qib_bad_pqkey(struct qib_ibport *ibp, __be16 trap_num, u32 key, u32 sl, 318f931551bSRalph Campbell u32 qp1, u32 qp2, __be16 lid1, __be16 lid2); 319530a5d8eSHarish Chegondi void qib_cap_mask_chg(struct rvt_dev_info *rdi, u8 port_num); 320f931551bSRalph Campbell void qib_sys_guid_chg(struct qib_ibport *ibp); 321f931551bSRalph Campbell void qib_node_desc_chg(struct qib_ibport *ibp); 322f931551bSRalph Campbell int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 323a97e2d86SIra Weiny const struct ib_wc *in_wc, const struct ib_grh *in_grh, 3244cd7c947SIra Weiny const struct ib_mad_hdr *in, size_t in_mad_size, 3254cd7c947SIra Weiny struct ib_mad_hdr *out, size_t *out_mad_size, 3264cd7c947SIra Weiny u16 *out_mad_pkey_index); 3275196aa96SDennis Dalessandro void qib_notify_create_mad_agent(struct rvt_dev_info *rdi, int port_idx); 3285196aa96SDennis Dalessandro void qib_notify_free_mad_agent(struct rvt_dev_info *rdi, int port_idx); 329f931551bSRalph Campbell 330f931551bSRalph Campbell /* 331f931551bSRalph Campbell * Compare the lower 24 bits of the two values. 332f931551bSRalph Campbell * Returns an integer <, ==, or > than zero. 333f931551bSRalph Campbell */ 334f931551bSRalph Campbell static inline int qib_cmp24(u32 a, u32 b) 335f931551bSRalph Campbell { 336f931551bSRalph Campbell return (((int) a) - ((int) b)) << 8; 337f931551bSRalph Campbell } 338f931551bSRalph Campbell 339f931551bSRalph Campbell int qib_snapshot_counters(struct qib_pportdata *ppd, u64 *swords, 340f931551bSRalph Campbell u64 *rwords, u64 *spkts, u64 *rpkts, 341f931551bSRalph Campbell u64 *xmit_wait); 342f931551bSRalph Campbell 343f931551bSRalph Campbell int qib_get_counters(struct qib_pportdata *ppd, 344f931551bSRalph Campbell struct qib_verbs_counters *cntrs); 345f931551bSRalph Campbell 3467c2e11feSDennis Dalessandro __be32 qib_compute_aeth(struct rvt_qp *qp); 347f931551bSRalph Campbell 34847c7ea6dSHarish Chegondi /* 34947c7ea6dSHarish Chegondi * Functions provided by qib driver for rdmavt to use 35047c7ea6dSHarish Chegondi */ 35147c7ea6dSHarish Chegondi unsigned qib_free_all_qps(struct rvt_dev_info *rdi); 35220f333b6SHarish Chegondi void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp, gfp_t gfp); 35320f333b6SHarish Chegondi void qib_qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp); 35420f333b6SHarish Chegondi void qib_notify_qp_reset(struct rvt_qp *qp); 35520f333b6SHarish Chegondi int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, 35647c7ea6dSHarish Chegondi enum ib_qp_type type, u8 port, gfp_t gfp); 357f931551bSRalph Campbell 3581dd173b0SMike Marciniszyn #ifdef CONFIG_DEBUG_FS 3591dd173b0SMike Marciniszyn 3601dd173b0SMike Marciniszyn struct qib_qp_iter; 3611dd173b0SMike Marciniszyn 3621dd173b0SMike Marciniszyn struct qib_qp_iter *qib_qp_iter_init(struct qib_ibdev *dev); 3631dd173b0SMike Marciniszyn 3641dd173b0SMike Marciniszyn int qib_qp_iter_next(struct qib_qp_iter *iter); 3651dd173b0SMike Marciniszyn 3661dd173b0SMike Marciniszyn void qib_qp_iter_print(struct seq_file *s, struct qib_qp_iter *iter); 3671dd173b0SMike Marciniszyn 3681dd173b0SMike Marciniszyn #endif 3691dd173b0SMike Marciniszyn 3707c2e11feSDennis Dalessandro void qib_get_credit(struct rvt_qp *qp, u32 aeth); 371f931551bSRalph Campbell 372f931551bSRalph Campbell unsigned qib_pkt_delay(u32 plen, u8 snd_mult, u8 rcv_mult); 373f931551bSRalph Campbell 374f931551bSRalph Campbell void qib_verbs_sdma_desc_avail(struct qib_pportdata *ppd, unsigned avail); 375f931551bSRalph Campbell 376f931551bSRalph Campbell void qib_put_txreq(struct qib_verbs_txreq *tx); 377f931551bSRalph Campbell 3787c2e11feSDennis Dalessandro int qib_verbs_send(struct rvt_qp *qp, struct qib_ib_header *hdr, 3797c2e11feSDennis Dalessandro u32 hdrwords, struct rvt_sge_state *ss, u32 len); 380f931551bSRalph Campbell 3817c2e11feSDennis Dalessandro void qib_copy_sge(struct rvt_sge_state *ss, void *data, u32 length, 382f931551bSRalph Campbell int release); 383f931551bSRalph Campbell 3847c2e11feSDennis Dalessandro void qib_skip_sge(struct rvt_sge_state *ss, u32 length, int release); 385f931551bSRalph Campbell 386f931551bSRalph Campbell void qib_uc_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr, 3877c2e11feSDennis Dalessandro int has_grh, void *data, u32 tlen, struct rvt_qp *qp); 388f931551bSRalph Campbell 389f931551bSRalph Campbell void qib_rc_rcv(struct qib_ctxtdata *rcd, struct qib_ib_header *hdr, 3907c2e11feSDennis Dalessandro int has_grh, void *data, u32 tlen, struct rvt_qp *qp); 391f931551bSRalph Campbell 392f931551bSRalph Campbell int qib_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr); 393f931551bSRalph Campbell 39446a80d62SMike Marciniszyn int qib_check_send_wqe(struct rvt_qp *qp, struct rvt_swqe *wqe); 39546a80d62SMike Marciniszyn 3961fb9fed6SMike Marciniszyn struct ib_ah *qib_create_qp0_ah(struct qib_ibport *ibp, u16 dlid); 3971fb9fed6SMike Marciniszyn 398f931551bSRalph Campbell void qib_rc_rnr_retry(unsigned long arg); 399f931551bSRalph Campbell 4007c2e11feSDennis Dalessandro void qib_rc_send_complete(struct rvt_qp *qp, struct qib_ib_header *hdr); 401f931551bSRalph Campbell 4027c2e11feSDennis Dalessandro void qib_rc_error(struct rvt_qp *qp, enum ib_wc_status err); 403f931551bSRalph Campbell 4047c2e11feSDennis Dalessandro int qib_post_ud_send(struct rvt_qp *qp, struct ib_send_wr *wr); 405f931551bSRalph Campbell 406f931551bSRalph Campbell void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr, 4077c2e11feSDennis Dalessandro int has_grh, void *data, u32 tlen, struct rvt_qp *qp); 408f931551bSRalph Campbell 4098aac4cc3SMike Marciniszyn void mr_rcu_callback(struct rcu_head *list); 4108aac4cc3SMike Marciniszyn 4117c2e11feSDennis Dalessandro int qib_get_rwqe(struct rvt_qp *qp, int wr_id_only); 412f931551bSRalph Campbell 4137c2e11feSDennis Dalessandro void qib_migrate_qp(struct rvt_qp *qp); 414f931551bSRalph Campbell 415f931551bSRalph Campbell int qib_ruc_check_hdr(struct qib_ibport *ibp, struct qib_ib_header *hdr, 4167c2e11feSDennis Dalessandro int has_grh, struct rvt_qp *qp, u32 bth0); 417f931551bSRalph Campbell 418f931551bSRalph Campbell u32 qib_make_grh(struct qib_ibport *ibp, struct ib_grh *hdr, 419f931551bSRalph Campbell struct ib_global_route *grh, u32 hwords, u32 nwords); 420f931551bSRalph Campbell 4217c2e11feSDennis Dalessandro void qib_make_ruc_header(struct rvt_qp *qp, struct qib_other_headers *ohdr, 422f931551bSRalph Campbell u32 bth0, u32 bth2); 423f931551bSRalph Campbell 424db3ef0ebSHarish Chegondi void _qib_do_send(struct work_struct *work); 425db3ef0ebSHarish Chegondi 426db3ef0ebSHarish Chegondi void qib_do_send(struct rvt_qp *qp); 427f931551bSRalph Campbell 4287c2e11feSDennis Dalessandro void qib_send_complete(struct rvt_qp *qp, struct rvt_swqe *wqe, 429f931551bSRalph Campbell enum ib_wc_status status); 430f931551bSRalph Campbell 4317c2e11feSDennis Dalessandro void qib_send_rc_ack(struct rvt_qp *qp); 432f931551bSRalph Campbell 433747f4d7aSMike Marciniszyn int qib_make_rc_req(struct rvt_qp *qp, unsigned long *flags); 434f931551bSRalph Campbell 435747f4d7aSMike Marciniszyn int qib_make_uc_req(struct rvt_qp *qp, unsigned long *flags); 436f931551bSRalph Campbell 437747f4d7aSMike Marciniszyn int qib_make_ud_req(struct rvt_qp *qp, unsigned long *flags); 438f931551bSRalph Campbell 439f931551bSRalph Campbell int qib_register_ib_device(struct qib_devdata *); 440f931551bSRalph Campbell 441f931551bSRalph Campbell void qib_unregister_ib_device(struct qib_devdata *); 442f931551bSRalph Campbell 443f931551bSRalph Campbell void qib_ib_rcv(struct qib_ctxtdata *, void *, void *, u32); 444f931551bSRalph Campbell 445f931551bSRalph Campbell void qib_ib_piobufavail(struct qib_devdata *); 446f931551bSRalph Campbell 447f931551bSRalph Campbell unsigned qib_get_npkeys(struct qib_devdata *); 448f931551bSRalph Campbell 449f931551bSRalph Campbell unsigned qib_get_pkey(struct qib_ibport *, unsigned); 450f931551bSRalph Campbell 451f931551bSRalph Campbell extern const enum ib_wc_opcode ib_qib_wc_opcode[]; 452f931551bSRalph Campbell 453f931551bSRalph Campbell /* 454f931551bSRalph Campbell * Below HCA-independent IB PhysPortState values, returned 455f931551bSRalph Campbell * by the f_ibphys_portstate() routine. 456f931551bSRalph Campbell */ 457f931551bSRalph Campbell #define IB_PHYSPORTSTATE_SLEEP 1 458f931551bSRalph Campbell #define IB_PHYSPORTSTATE_POLL 2 459f931551bSRalph Campbell #define IB_PHYSPORTSTATE_DISABLED 3 460f931551bSRalph Campbell #define IB_PHYSPORTSTATE_CFG_TRAIN 4 461f931551bSRalph Campbell #define IB_PHYSPORTSTATE_LINKUP 5 462f931551bSRalph Campbell #define IB_PHYSPORTSTATE_LINK_ERR_RECOVER 6 463f931551bSRalph Campbell #define IB_PHYSPORTSTATE_CFG_DEBOUNCE 8 464f931551bSRalph Campbell #define IB_PHYSPORTSTATE_CFG_IDLE 0xB 465f931551bSRalph Campbell #define IB_PHYSPORTSTATE_RECOVERY_RETRAIN 0xC 466f931551bSRalph Campbell #define IB_PHYSPORTSTATE_RECOVERY_WAITRMT 0xE 467f931551bSRalph Campbell #define IB_PHYSPORTSTATE_RECOVERY_IDLE 0xF 468f931551bSRalph Campbell #define IB_PHYSPORTSTATE_CFG_ENH 0x10 469f931551bSRalph Campbell #define IB_PHYSPORTSTATE_CFG_WAIT_ENH 0x13 470f931551bSRalph Campbell 471db3ef0ebSHarish Chegondi extern const int ib_rvt_state_ops[]; 472f931551bSRalph Campbell 473f931551bSRalph Campbell extern __be64 ib_qib_sys_image_guid; /* in network order */ 474f931551bSRalph Campbell 4757c2e11feSDennis Dalessandro extern unsigned int ib_rvt_lkey_table_size; 476f931551bSRalph Campbell 477f931551bSRalph Campbell extern unsigned int ib_qib_max_cqes; 478f931551bSRalph Campbell 479f931551bSRalph Campbell extern unsigned int ib_qib_max_cqs; 480f931551bSRalph Campbell 481f931551bSRalph Campbell extern unsigned int ib_qib_max_qp_wrs; 482f931551bSRalph Campbell 483f931551bSRalph Campbell extern unsigned int ib_qib_max_qps; 484f931551bSRalph Campbell 485f931551bSRalph Campbell extern unsigned int ib_qib_max_sges; 486f931551bSRalph Campbell 487f931551bSRalph Campbell extern unsigned int ib_qib_max_mcast_grps; 488f931551bSRalph Campbell 489f931551bSRalph Campbell extern unsigned int ib_qib_max_mcast_qp_attached; 490f931551bSRalph Campbell 491f931551bSRalph Campbell extern unsigned int ib_qib_max_srqs; 492f931551bSRalph Campbell 493f931551bSRalph Campbell extern unsigned int ib_qib_max_srq_sges; 494f931551bSRalph Campbell 495f931551bSRalph Campbell extern unsigned int ib_qib_max_srq_wrs; 496f931551bSRalph Campbell 497f931551bSRalph Campbell extern const u32 ib_qib_rnr_table[]; 498f931551bSRalph Campbell 499f931551bSRalph Campbell #endif /* QIB_VERBS_H */ 500