diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_verbs.h')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_verbs.h | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h deleted file mode 100644 index 408fe1ba74b9..000000000000 --- a/drivers/infiniband/hw/qib/qib_verbs.h +++ /dev/null @@ -1,398 +0,0 @@ -/* - * Copyright (c) 2012 - 2018 Intel Corporation. All rights reserved. - * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. - * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#ifndef QIB_VERBS_H -#define QIB_VERBS_H - -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/kref.h> -#include <linux/workqueue.h> -#include <linux/kthread.h> -#include <linux/completion.h> -#include <rdma/ib_pack.h> -#include <rdma/ib_user_verbs.h> -#include <rdma/ib_hdrs.h> -#include <rdma/rdmavt_qp.h> -#include <rdma/rdmavt_cq.h> - -struct qib_ctxtdata; -struct qib_pportdata; -struct qib_devdata; -struct qib_verbs_txreq; - -#define QIB_MAX_RDMA_ATOMIC 16 -#define QIB_GUIDS_PER_PORT 5 -#define QIB_PSN_SHIFT 8 - -/* - * Increment this value if any changes that break userspace ABI - * compatibility are made. - */ -#define QIB_UVERBS_ABI_VERSION 2 - -/* IB Performance Manager status values */ -#define IB_PMA_SAMPLE_STATUS_DONE 0x00 -#define IB_PMA_SAMPLE_STATUS_STARTED 0x01 -#define IB_PMA_SAMPLE_STATUS_RUNNING 0x02 - -/* Mandatory IB performance counter select values. */ -#define IB_PMA_PORT_XMIT_DATA cpu_to_be16(0x0001) -#define IB_PMA_PORT_RCV_DATA cpu_to_be16(0x0002) -#define IB_PMA_PORT_XMIT_PKTS cpu_to_be16(0x0003) -#define IB_PMA_PORT_RCV_PKTS cpu_to_be16(0x0004) -#define IB_PMA_PORT_XMIT_WAIT cpu_to_be16(0x0005) - -#define QIB_VENDOR_IPG cpu_to_be16(0xFFA0) - -#define IB_DEFAULT_GID_PREFIX cpu_to_be64(0xfe80000000000000ULL) - -/* Values for set/get portinfo VLCap OperationalVLs */ -#define IB_VL_VL0 1 -#define IB_VL_VL0_1 2 -#define IB_VL_VL0_3 3 -#define IB_VL_VL0_7 4 -#define IB_VL_VL0_14 5 - -static inline int qib_num_vls(int vls) -{ - switch (vls) { - default: - case IB_VL_VL0: - return 1; - case IB_VL_VL0_1: - return 2; - case IB_VL_VL0_3: - return 4; - case IB_VL_VL0_7: - return 8; - case IB_VL_VL0_14: - return 15; - } -} - -struct qib_pio_header { - __le32 pbc[2]; - struct ib_header hdr; -} __packed; - -/* - * qib specific data structure that will be hidden from rvt after the queue pair - * is made common. - */ -struct qib_qp_priv { - struct ib_header *s_hdr; /* next packet header to send */ - struct list_head iowait; /* link for wait PIO buf */ - atomic_t s_dma_busy; - struct qib_verbs_txreq *s_tx; - struct work_struct s_work; - wait_queue_head_t wait_dma; - struct rvt_qp *owner; -}; - -#define QIB_PSN_CREDIT 16 - -struct qib_opcode_stats { - u64 n_packets; /* number of packets */ - u64 n_bytes; /* total number of bytes */ -}; - -struct qib_opcode_stats_perctx { - struct qib_opcode_stats stats[128]; -}; - -struct qib_pma_counters { - u64 n_unicast_xmit; /* total unicast packets sent */ - u64 n_unicast_rcv; /* total unicast packets received */ - u64 n_multicast_xmit; /* total multicast packets sent */ - u64 n_multicast_rcv; /* total multicast packets received */ -}; - -struct qib_ibport { - struct rvt_ibport rvp; - struct rvt_ah *smi_ah; - __be64 guids[QIB_GUIDS_PER_PORT - 1]; /* writable GUIDs */ - struct qib_pma_counters __percpu *pmastats; - u64 z_unicast_xmit; /* starting count for PMA */ - u64 z_unicast_rcv; /* starting count for PMA */ - u64 z_multicast_xmit; /* starting count for PMA */ - u64 z_multicast_rcv; /* starting count for PMA */ - u64 z_symbol_error_counter; /* starting count for PMA */ - u64 z_link_error_recovery_counter; /* starting count for PMA */ - u64 z_link_downed_counter; /* starting count for PMA */ - u64 z_port_rcv_errors; /* starting count for PMA */ - u64 z_port_rcv_remphys_errors; /* starting count for PMA */ - u64 z_port_xmit_discards; /* starting count for PMA */ - u64 z_port_xmit_data; /* starting count for PMA */ - u64 z_port_rcv_data; /* starting count for PMA */ - u64 z_port_xmit_packets; /* starting count for PMA */ - u64 z_port_rcv_packets; /* starting count for PMA */ - u32 z_local_link_integrity_errors; /* starting count for PMA */ - u32 z_excessive_buffer_overrun_errors; /* starting count for PMA */ - u32 z_vl15_dropped; /* starting count for PMA */ - u8 sl_to_vl[16]; -}; - -struct qib_ibdev { - struct rvt_dev_info rdi; - - struct list_head piowait; /* list for wait PIO buf */ - struct list_head dmawait; /* list for wait DMA */ - struct list_head txwait; /* list for wait qib_verbs_txreq */ - struct list_head memwait; /* list for wait kernel memory */ - struct list_head txreq_free; - struct timer_list mem_timer; - struct qib_pio_header *pio_hdrs; - dma_addr_t pio_hdrs_phys; - - u32 n_piowait; - u32 n_txwait; - -#ifdef CONFIG_DEBUG_FS - /* per HCA debugfs */ - struct dentry *qib_ibdev_dbg; -#endif -}; - -struct qib_verbs_counters { - u64 symbol_error_counter; - u64 link_error_recovery_counter; - u64 link_downed_counter; - u64 port_rcv_errors; - u64 port_rcv_remphys_errors; - u64 port_xmit_discards; - u64 port_xmit_data; - u64 port_rcv_data; - u64 port_xmit_packets; - u64 port_rcv_packets; - u32 local_link_integrity_errors; - u32 excessive_buffer_overrun_errors; - u32 vl15_dropped; -}; - -static inline struct qib_ibdev *to_idev(struct ib_device *ibdev) -{ - struct rvt_dev_info *rdi; - - rdi = container_of(ibdev, struct rvt_dev_info, ibdev); - return container_of(rdi, struct qib_ibdev, rdi); -} - -/* - * Send if not busy or waiting for I/O and either - * a RC response is pending or we can process send work requests. - */ -static inline int qib_send_ok(struct rvt_qp *qp) -{ - return !(qp->s_flags & (RVT_S_BUSY | RVT_S_ANY_WAIT_IO)) && - (qp->s_hdrwords || (qp->s_flags & RVT_S_RESP_PENDING) || - !(qp->s_flags & RVT_S_ANY_WAIT_SEND)); -} - -bool _qib_schedule_send(struct rvt_qp *qp); -bool qib_schedule_send(struct rvt_qp *qp); - -static inline int qib_pkey_ok(u16 pkey1, u16 pkey2) -{ - u16 p1 = pkey1 & 0x7FFF; - u16 p2 = pkey2 & 0x7FFF; - - /* - * Low 15 bits must be non-zero and match, and - * one of the two must be a full member. - */ - return p1 && p1 == p2 && ((__s16)pkey1 < 0 || (__s16)pkey2 < 0); -} - -void qib_bad_pkey(struct qib_ibport *ibp, u32 key, u32 sl, - u32 qp1, u32 qp2, __be16 lid1, __be16 lid2); -void qib_cap_mask_chg(struct rvt_dev_info *rdi, u32 port_num); -void qib_sys_guid_chg(struct qib_ibport *ibp); -void qib_node_desc_chg(struct qib_ibport *ibp); -int qib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num, - const struct ib_wc *in_wc, const struct ib_grh *in_grh, - const struct ib_mad *in, struct ib_mad *out, - size_t *out_mad_size, u16 *out_mad_pkey_index); -void qib_notify_create_mad_agent(struct rvt_dev_info *rdi, int port_idx); -void qib_notify_free_mad_agent(struct rvt_dev_info *rdi, int port_idx); - -/* - * Compare the lower 24 bits of the two values. - * Returns an integer <, ==, or > than zero. - */ -static inline int qib_cmp24(u32 a, u32 b) -{ - return (((int) a) - ((int) b)) << 8; -} - -int qib_snapshot_counters(struct qib_pportdata *ppd, u64 *swords, - u64 *rwords, u64 *spkts, u64 *rpkts, - u64 *xmit_wait); - -int qib_get_counters(struct qib_pportdata *ppd, - struct qib_verbs_counters *cntrs); - -/* - * Functions provided by qib driver for rdmavt to use - */ -unsigned qib_free_all_qps(struct rvt_dev_info *rdi); -void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp); -void qib_qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp); -void qib_notify_qp_reset(struct rvt_qp *qp); -int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, - enum ib_qp_type type, u32 port); -void qib_restart_rc(struct rvt_qp *qp, u32 psn, int wait); -#ifdef CONFIG_DEBUG_FS - -void qib_qp_iter_print(struct seq_file *s, struct rvt_qp_iter *iter); - -#endif - -unsigned qib_pkt_delay(u32 plen, u8 snd_mult, u8 rcv_mult); - -void qib_verbs_sdma_desc_avail(struct qib_pportdata *ppd, unsigned avail); - -void qib_put_txreq(struct qib_verbs_txreq *tx); - -int qib_verbs_send(struct rvt_qp *qp, struct ib_header *hdr, - u32 hdrwords, struct rvt_sge_state *ss, u32 len); - -void qib_uc_rcv(struct qib_ibport *ibp, struct ib_header *hdr, - int has_grh, void *data, u32 tlen, struct rvt_qp *qp); - -void qib_rc_rcv(struct qib_ctxtdata *rcd, struct ib_header *hdr, - int has_grh, void *data, u32 tlen, struct rvt_qp *qp); - -int qib_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr); - -int qib_check_send_wqe(struct rvt_qp *qp, struct rvt_swqe *wqe, - bool *call_send); - -struct ib_ah *qib_create_qp0_ah(struct qib_ibport *ibp, u16 dlid); - -void qib_rc_send_complete(struct rvt_qp *qp, struct ib_header *hdr); - -int qib_post_ud_send(struct rvt_qp *qp, const struct ib_send_wr *wr); - -void qib_ud_rcv(struct qib_ibport *ibp, struct ib_header *hdr, - int has_grh, void *data, u32 tlen, struct rvt_qp *qp); - -void qib_migrate_qp(struct rvt_qp *qp); - -int qib_ruc_check_hdr(struct qib_ibport *ibp, struct ib_header *hdr, - int has_grh, struct rvt_qp *qp, u32 bth0); - -u32 qib_make_grh(struct qib_ibport *ibp, struct ib_grh *hdr, - const struct ib_global_route *grh, u32 hwords, u32 nwords); - -void qib_make_ruc_header(struct rvt_qp *qp, struct ib_other_headers *ohdr, - u32 bth0, u32 bth2); - -void _qib_do_send(struct work_struct *work); - -void qib_do_send(struct rvt_qp *qp); - -void qib_send_rc_ack(struct rvt_qp *qp); - -int qib_make_rc_req(struct rvt_qp *qp, unsigned long *flags); - -int qib_make_uc_req(struct rvt_qp *qp, unsigned long *flags); - -int qib_make_ud_req(struct rvt_qp *qp, unsigned long *flags); - -int qib_register_ib_device(struct qib_devdata *); - -void qib_unregister_ib_device(struct qib_devdata *); - -void qib_ib_rcv(struct qib_ctxtdata *, void *, void *, u32); - -void qib_ib_piobufavail(struct qib_devdata *); - -unsigned qib_get_npkeys(struct qib_devdata *); - -unsigned qib_get_pkey(struct qib_ibport *, unsigned); - -extern const enum ib_wc_opcode ib_qib_wc_opcode[]; - -/* - * Below HCA-independent IB PhysPortState values, returned - * by the f_ibphys_portstate() routine. - */ -#define IB_PHYSPORTSTATE_SLEEP 1 -#define IB_PHYSPORTSTATE_POLL 2 -#define IB_PHYSPORTSTATE_DISABLED 3 -#define IB_PHYSPORTSTATE_CFG_TRAIN 4 -#define IB_PHYSPORTSTATE_LINKUP 5 -#define IB_PHYSPORTSTATE_LINK_ERR_RECOVER 6 -#define IB_PHYSPORTSTATE_CFG_DEBOUNCE 8 -#define IB_PHYSPORTSTATE_CFG_IDLE 0xB -#define IB_PHYSPORTSTATE_RECOVERY_RETRAIN 0xC -#define IB_PHYSPORTSTATE_RECOVERY_WAITRMT 0xE -#define IB_PHYSPORTSTATE_RECOVERY_IDLE 0xF -#define IB_PHYSPORTSTATE_CFG_ENH 0x10 -#define IB_PHYSPORTSTATE_CFG_WAIT_ENH 0x13 - -extern const int ib_rvt_state_ops[]; - -extern __be64 ib_qib_sys_image_guid; /* in network order */ - -extern unsigned int ib_rvt_lkey_table_size; - -extern unsigned int ib_qib_max_cqes; - -extern unsigned int ib_qib_max_cqs; - -extern unsigned int ib_qib_max_qp_wrs; - -extern unsigned int ib_qib_max_qps; - -extern unsigned int ib_qib_max_sges; - -extern unsigned int ib_qib_max_mcast_grps; - -extern unsigned int ib_qib_max_mcast_qp_attached; - -extern unsigned int ib_qib_max_srqs; - -extern unsigned int ib_qib_max_srq_sges; - -extern unsigned int ib_qib_max_srq_wrs; - -extern const u32 ib_qib_rnr_table[]; - -extern const struct rvt_operation_params qib_post_parms[]; - -#endif /* QIB_VERBS_H */ |