diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/hfi.h')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/hfi.h | 403 |
1 files changed, 281 insertions, 122 deletions
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index 6db2276f5c13..cb630551cf1a 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -1,52 +1,13 @@ -#ifndef _HFI1_KERNEL_H -#define _HFI1_KERNEL_H +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright(c) 2015-2018 Intel Corporation. - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * BSD LICENSE - * - * 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. - * - Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * + * Copyright(c) 2020-2023 Cornelis Networks, Inc. + * Copyright(c) 2015-2020 Intel Corporation. */ +#ifndef _HFI1_KERNEL_H +#define _HFI1_KERNEL_H + +#include <linux/refcount.h> #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/dma-mapping.h> @@ -54,7 +15,6 @@ #include <linux/list.h> #include <linux/scatterlist.h> #include <linux/slab.h> -#include <linux/idr.h> #include <linux/io.h> #include <linux/fs.h> #include <linux/completion.h> @@ -65,14 +25,15 @@ #include <linux/kthread.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> +#include <linux/xarray.h> #include <rdma/ib_hdrs.h> #include <rdma/opa_addr.h> #include <linux/rhashtable.h> -#include <linux/netdevice.h> #include <rdma/rdma_vt.h> #include "chip_registers.h" #include "common.h" +#include "opfn.h" #include "verbs.h" #include "pio.h" #include "chip.h" @@ -98,6 +59,8 @@ #define NEIGHBOR_TYPE_HFI 0 #define NEIGHBOR_TYPE_SWITCH 1 +#define HFI1_MAX_ACTIVE_WORKQUEUE_ENTRIES 5 + extern unsigned long hfi1_cap_mask; #define HFI1_CAP_KGET_MASK(mask, cap) ((mask) & HFI1_CAP_##cap) #define HFI1_CAP_UGET_MASK(mask, cap) \ @@ -194,7 +157,17 @@ struct exp_tid_set { u32 count; }; -typedef int (*rhf_rcv_function_ptr)(struct hfi1_packet *packet); +struct hfi1_ctxtdata; +typedef int (*intr_handler)(struct hfi1_ctxtdata *rcd, int data); +typedef void (*rhf_rcv_function_ptr)(struct hfi1_packet *packet); + +struct tid_queue { + struct list_head queue_head; + /* queue head for QP TID resource waiters */ + u32 enqueue; /* count of tid enqueues */ + u32 dequeue; /* count of tid dequeues */ +}; + struct hfi1_ctxtdata { /* rcvhdrq base, needs mmap before useful */ void *rcvhdrq; @@ -215,7 +188,13 @@ struct hfi1_ctxtdata { * be valid. Worst case is we process an extra interrupt and up to 64 * packets with the wrong interrupt handler. */ - int (*do_interrupt)(struct hfi1_ctxtdata *rcd, int threaded); + intr_handler do_interrupt; + /** fast handler after autoactive */ + intr_handler fast_handler; + /** slow handler */ + intr_handler slow_handler; + /* napi pointer assiociated with netdev */ + struct napi_struct *napi; /* verbs rx_stats per rcd */ struct hfi1_opcode_stats_perctx *opstats; /* clear interrupt mask */ @@ -288,6 +267,12 @@ struct hfi1_ctxtdata { /* PSM Specific fields */ /* lock protecting all Expected TID data */ struct mutex exp_mutex; + /* lock protecting all Expected TID data of kernel contexts */ + spinlock_t exp_lock; + /* Queue for QP's waiting for HW TID flows */ + struct tid_queue flow_queue; + /* Queue for QP's waiting for HW receive array entries */ + struct tid_queue rarr_queue; /* when waiting for rcv or pioavail */ wait_queue_head_t wait; /* uuid from PSM */ @@ -320,6 +305,9 @@ struct hfi1_ctxtdata { */ u8 subctxt_cnt; + /* Bit mask to track free TID RDMA HW flows */ + unsigned long flow_mask; + struct tid_flow_state flows[RXE_NUM_TID_FLOWS]; }; /** @@ -357,11 +345,11 @@ struct hfi1_packet { u32 rhqoff; u32 dlid; u32 slid; + int numpkt; u16 tlen; s16 etail; u16 pkey; u8 hlen; - u8 numpkt; u8 rsize; u8 updegr; u8 etype; @@ -519,6 +507,37 @@ static inline void hfi1_16B_set_qpn(struct opa_16b_mgmt *mgmt, mgmt->src_qpn = cpu_to_be32(src_qp & OPA_16B_MGMT_QPN_MASK); } +/** + * hfi1_get_rc_ohdr - get extended header + * @opah - the opaheader + */ +static inline struct ib_other_headers * +hfi1_get_rc_ohdr(struct hfi1_opa_header *opah) +{ + struct ib_other_headers *ohdr; + struct ib_header *hdr = NULL; + struct hfi1_16b_header *hdr_16b = NULL; + + /* Find out where the BTH is */ + if (opah->hdr_type == HFI1_PKT_TYPE_9B) { + hdr = &opah->ibh; + if (ib_get_lnh(hdr) == HFI1_LRH_BTH) + ohdr = &hdr->u.oth; + else + ohdr = &hdr->u.l.oth; + } else { + u8 l4; + + hdr_16b = &opah->opah; + l4 = hfi1_16B_get_l4(hdr_16b); + if (l4 == OPA_16B_L4_IB_LOCAL) + ohdr = &hdr_16b->u.oth; + else + ohdr = &hdr_16b->u.l.oth; + } + return ohdr; +} + struct rvt_sge_state; /* @@ -657,12 +676,6 @@ static inline void incr_cntr64(u64 *cntr) (*cntr)++; } -static inline void incr_cntr32(u32 *cntr) -{ - if (*cntr < (u32)-1LL) - (*cntr)++; -} - #define MAX_NAME_SIZE 64 struct hfi1_msix_entry { enum irq_type type; @@ -719,10 +732,6 @@ struct hfi1_pportdata { struct hfi1_ibport ibport_data; struct hfi1_devdata *dd; - struct kobject pport_cc_kobj; - struct kobject sc2vl_kobj; - struct kobject sl2sc_kobj; - struct kobject vl2mtu_kobj; /* PHY support */ struct qsfp_data qsfp_info; @@ -804,7 +813,7 @@ struct hfi1_pportdata { u8 rx_pol_inv; u8 hw_pidx; /* physical port index */ - u8 port; /* IB port number and index into dd->pports - 1 */ + u32 port; /* IB port number and index into dd->pports - 1 */ /* type of neighbor node */ u8 neighbor_type; u8 neighbor_normal; @@ -928,7 +937,7 @@ typedef void (*hfi1_make_req)(struct rvt_qp *qp, struct hfi1_pkt_state *ps, struct rvt_swqe *wqe); extern const rhf_rcv_function_ptr normal_rhf_rcv_functions[]; - +extern const rhf_rcv_function_ptr netdev_rhf_rcv_functions[]; /* return values for the RHF receive functions */ #define RHF_RCV_CONTINUE 0 /* keep going */ @@ -988,23 +997,10 @@ struct hfi1_asic_data { #define NUM_MAP_ENTRIES 256 #define NUM_MAP_REGS 32 -/* - * Number of VNIC contexts used. Ensure it is less than or equal to - * max queues supported by VNIC (HFI1_VNIC_MAX_QUEUE). - */ -#define HFI1_NUM_VNIC_CTXT 8 - -/* Number of VNIC RSM entries */ -#define NUM_VNIC_MAP_ENTRIES 8 - /* Virtual NIC information */ struct hfi1_vnic_data { - struct hfi1_ctxtdata *ctxt[HFI1_NUM_VNIC_CTXT]; struct kmem_cache *txreq_cache; u8 num_vports; - struct idr vesw_idr; - u8 rmt_start; - u8 num_ctxt; }; struct hfi1_vnic_vport_info; @@ -1019,9 +1015,9 @@ struct sdma_vl_map; #define SERIAL_MAX 16 /* length of the serial number */ typedef int (*send_routine)(struct rvt_qp *, struct hfi1_pkt_state *, u64); +struct hfi1_netdev_rx; struct hfi1_devdata { struct hfi1_ibdev verbs_dev; /* must be first */ - struct list_head list; /* pointers to related structs for this device */ /* pci access data structure */ struct pci_dev *pcidev; @@ -1103,14 +1099,16 @@ struct hfi1_devdata { char *boardname; /* human readable board info */ + u64 ctx0_seq_drop; + /* reset value */ u64 z_int_counter; u64 z_rcv_limit; u64 z_send_schedule; u64 __percpu *send_schedule; - /* number of reserved contexts for VNIC usage */ - u16 num_vnic_contexts; + /* number of reserved contexts for netdev usage */ + u16 num_netdev_contexts; /* number of receive contexts in use by the driver */ u32 num_rcv_contexts; /* number of pio send contexts in use by the driver */ @@ -1260,7 +1258,7 @@ struct hfi1_devdata { struct err_info_constraint err_info_xmit_constraint; atomic_t drop_packet; - u8 do_drop; + bool do_drop; u8 err_info_uncorrectable; u8 err_info_fmconfig; @@ -1346,7 +1344,7 @@ struct hfi1_devdata { /* Number of verbs contexts which have disabled ASPM */ atomic_t aspm_disabled_cnt; /* Keeps track of user space clients */ - atomic_t user_refcount; + refcount_t user_refcount; /* Used to wait for outstanding user space clients before dev removal */ struct completion user_comp; @@ -1355,18 +1353,17 @@ struct hfi1_devdata { bool aspm_enabled; /* ASPM state: enabled/disabled */ struct rhashtable *sdma_rht; - struct kobject kobj; - /* vnic data */ struct hfi1_vnic_data vnic; /* Lock to protect IRQ SRC register access */ spinlock_t irq_src_lock; -}; + int vnic_num_vports; + struct hfi1_netdev_rx *netdev_rx; + struct hfi1_affinity_node *affinity_entry; -static inline bool hfi1_vnic_is_rsm_full(struct hfi1_devdata *dd, int spare) -{ - return (dd->vnic.rmt_start + spare) > NUM_MAP_ENTRIES; -} + /* Keeps track of IPoIB RSM rule users */ + atomic_t ipoib_rsm_usr_num; +}; /* 8051 firmware version helper */ #define dc8051_ver(a, b, c) ((a) << 16 | (b) << 8 | (c)) @@ -1381,20 +1378,21 @@ static inline bool hfi1_vnic_is_rsm_full(struct hfi1_devdata *dd, int spare) #define PT_INVALID 3 struct tid_rb_node; -struct mmu_rb_node; -struct mmu_rb_handler; /* Private data for file operations */ struct hfi1_filedata { + struct srcu_struct pq_srcu; struct hfi1_devdata *dd; struct hfi1_ctxtdata *uctxt; struct hfi1_user_sdma_comp_q *cq; - struct hfi1_user_sdma_pkt_q *pq; + /* update side lock for SRCU */ + spinlock_t pq_rcu_lock; + struct hfi1_user_sdma_pkt_q __rcu *pq; u16 subctxt; /* for cpu affinity; -1 if none */ int rec_cpu_num; u32 tid_n_pinned; - struct mmu_rb_handler *handler; + bool use_mn; struct tid_rb_node **entry_to_rb; spinlock_t tid_lock; /* protect tid_[limit,used] counters */ u32 tid_limit; @@ -1403,11 +1401,9 @@ struct hfi1_filedata { u32 invalid_tid_idx; /* protect invalid_tids array and invalid_tid_idx */ spinlock_t invalid_lock; - struct mm_struct *mm; }; -extern struct list_head hfi1_dev_list; -extern spinlock_t hfi1_devs_lock; +extern struct xarray hfi1_dev_table; struct hfi1_devdata *hfi1_lookup(int unit); static inline unsigned long uctxt_offset(struct hfi1_ctxtdata *uctxt) @@ -1432,16 +1428,18 @@ int hfi1_create_ctxtdata(struct hfi1_pportdata *ppd, int numa, struct hfi1_ctxtdata **rcd); void hfi1_free_ctxt(struct hfi1_ctxtdata *rcd); void hfi1_init_pportdata(struct pci_dev *pdev, struct hfi1_pportdata *ppd, - struct hfi1_devdata *dd, u8 hw_pidx, u8 port); + struct hfi1_devdata *dd, u8 hw_pidx, u32 port); void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd); int hfi1_rcd_put(struct hfi1_ctxtdata *rcd); -void hfi1_rcd_get(struct hfi1_ctxtdata *rcd); +int hfi1_rcd_get(struct hfi1_ctxtdata *rcd); struct hfi1_ctxtdata *hfi1_rcd_get_by_index_safe(struct hfi1_devdata *dd, u16 ctxt); struct hfi1_ctxtdata *hfi1_rcd_get_by_index(struct hfi1_devdata *dd, u16 ctxt); int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread); int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *rcd, int thread); int handle_receive_interrupt_dma_rtail(struct hfi1_ctxtdata *rcd, int thread); +int handle_receive_interrupt_napi_fp(struct hfi1_ctxtdata *rcd, int budget); +int handle_receive_interrupt_napi_sp(struct hfi1_ctxtdata *rcd, int budget); void set_all_slowpath(struct hfi1_devdata *dd); extern const struct pci_device_id hfi1_pci_tbl[]; @@ -1458,12 +1456,148 @@ void hfi1_make_ud_req_16B(struct rvt_qp *qp, #define RCV_PKT_LIMIT 0x1 /* stop, hit limit, start thread */ #define RCV_PKT_DONE 0x2 /* stop, no more packets detected */ +/** + * hfi1_rcd_head - add accessor for rcd head + * @rcd: the context + */ +static inline u32 hfi1_rcd_head(struct hfi1_ctxtdata *rcd) +{ + return rcd->head; +} + +/** + * hfi1_set_rcd_head - add accessor for rcd head + * @rcd: the context + * @head: the new head + */ +static inline void hfi1_set_rcd_head(struct hfi1_ctxtdata *rcd, u32 head) +{ + rcd->head = head; +} + /* calculate the current RHF address */ static inline __le32 *get_rhf_addr(struct hfi1_ctxtdata *rcd) { return (__le32 *)rcd->rcvhdrq + rcd->head + rcd->rhf_offset; } +/* return DMA_RTAIL configuration */ +static inline bool get_dma_rtail_setting(struct hfi1_ctxtdata *rcd) +{ + return !!HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL); +} + +/** + * hfi1_seq_incr_wrap - wrapping increment for sequence + * @seq: the current sequence number + * + * Returns: the incremented seq + */ +static inline u8 hfi1_seq_incr_wrap(u8 seq) +{ + if (++seq > RHF_MAX_SEQ) + seq = 1; + return seq; +} + +/** + * hfi1_seq_cnt - return seq_cnt member + * @rcd: the receive context + * + * Return seq_cnt member + */ +static inline u8 hfi1_seq_cnt(struct hfi1_ctxtdata *rcd) +{ + return rcd->seq_cnt; +} + +/** + * hfi1_set_seq_cnt - return seq_cnt member + * @rcd: the receive context + * + * Return seq_cnt member + */ +static inline void hfi1_set_seq_cnt(struct hfi1_ctxtdata *rcd, u8 cnt) +{ + rcd->seq_cnt = cnt; +} + +/** + * last_rcv_seq - is last + * @rcd: the receive context + * @seq: sequence + * + * return true if last packet + */ +static inline bool last_rcv_seq(struct hfi1_ctxtdata *rcd, u32 seq) +{ + return seq != rcd->seq_cnt; +} + +/** + * rcd_seq_incr - increment context sequence number + * @rcd: the receive context + * @seq: the current sequence number + * + * Returns: true if the this was the last packet + */ +static inline bool hfi1_seq_incr(struct hfi1_ctxtdata *rcd, u32 seq) +{ + rcd->seq_cnt = hfi1_seq_incr_wrap(rcd->seq_cnt); + return last_rcv_seq(rcd, seq); +} + +/** + * get_hdrqentsize - return hdrq entry size + * @rcd: the receive context + */ +static inline u8 get_hdrqentsize(struct hfi1_ctxtdata *rcd) +{ + return rcd->rcvhdrqentsize; +} + +/** + * get_hdrq_cnt - return hdrq count + * @rcd: the receive context + */ +static inline u16 get_hdrq_cnt(struct hfi1_ctxtdata *rcd) +{ + return rcd->rcvhdrq_cnt; +} + +/** + * hfi1_is_slowpath - check if this context is slow path + * @rcd: the receive context + */ +static inline bool hfi1_is_slowpath(struct hfi1_ctxtdata *rcd) +{ + return rcd->do_interrupt == rcd->slow_handler; +} + +/** + * hfi1_is_fastpath - check if this context is fast path + * @rcd: the receive context + */ +static inline bool hfi1_is_fastpath(struct hfi1_ctxtdata *rcd) +{ + if (rcd->ctxt == HFI1_CTRL_CTXT) + return false; + + return rcd->do_interrupt == rcd->fast_handler; +} + +/** + * hfi1_set_fast - change to the fast handler + * @rcd: the receive context + */ +static inline void hfi1_set_fast(struct hfi1_ctxtdata *rcd) +{ + if (unlikely(!rcd)) + return; + if (unlikely(!hfi1_is_fastpath(rcd))) + rcd->do_interrupt = rcd->fast_handler; +} + int hfi1_reset_device(int); void receive_interrupt_work(struct work_struct *work); @@ -1584,7 +1718,7 @@ static inline void pause_for_credit_return(struct hfi1_devdata *dd) } /** - * sc_to_vlt() reverse lookup sc to vl + * sc_to_vlt() - reverse lookup sc to vl * @dd - devdata * @sc5 - 5 bit sc */ @@ -1790,10 +1924,10 @@ static inline struct hfi1_ibdev *dev_from_rdi(struct rvt_dev_info *rdi) return container_of(rdi, struct hfi1_ibdev, rdi); } -static inline struct hfi1_ibport *to_iport(struct ib_device *ibdev, u8 port) +static inline struct hfi1_ibport *to_iport(struct ib_device *ibdev, u32 port) { struct hfi1_devdata *dd = dd_from_ibdev(ibdev); - unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */ + u32 pidx = port - 1; /* IB number port from 1, hdw from 0 */ WARN_ON(pidx >= dd->num_pports); return &dd->pport[pidx].ibport_data; @@ -1966,9 +2100,21 @@ int hfi1_acquire_user_pages(struct mm_struct *mm, unsigned long vaddr, void hfi1_release_user_pages(struct mm_struct *mm, struct page **p, size_t npages, bool dirty); +/** + * hfi1_rcvhdrtail_kvaddr - return tail kvaddr + * @rcd - the receive context + */ +static inline __le64 *hfi1_rcvhdrtail_kvaddr(const struct hfi1_ctxtdata *rcd) +{ + return (__le64 *)rcd->rcvhdrtail_kvaddr; +} + static inline void clear_rcvhdrtail(const struct hfi1_ctxtdata *rcd) { - *((u64 *)rcd->rcvhdrtail_kvaddr) = 0ULL; + u64 *kv = (u64 *)hfi1_rcvhdrtail_kvaddr(rcd); + + if (kv) + *kv = 0ULL; } static inline u32 get_rcvhdrtail(const struct hfi1_ctxtdata *rcd) @@ -1977,7 +2123,17 @@ static inline u32 get_rcvhdrtail(const struct hfi1_ctxtdata *rcd) * volatile because it's a DMA target from the chip, routine is * inlined, and don't want register caching or reordering. */ - return (u32)le64_to_cpu(*rcd->rcvhdrtail_kvaddr); + return (u32)le64_to_cpu(*hfi1_rcvhdrtail_kvaddr(rcd)); +} + +static inline bool hfi1_packet_present(struct hfi1_ctxtdata *rcd) +{ + if (likely(!rcd->rcvhdrtail_kvaddr)) { + u32 seq = rhf_rcv_seq(rhf_to_cpu(get_rhf_addr(rcd))); + + return !last_rcv_seq(rcd, seq); + } + return hfi1_rcd_head(rcd) != get_rcvhdrtail(rcd); } /* @@ -1986,12 +2142,11 @@ static inline u32 get_rcvhdrtail(const struct hfi1_ctxtdata *rcd) extern const char ib_hfi1_version[]; extern const struct attribute_group ib_hfi1_attr_group; +extern const struct attribute_group *hfi1_attr_port_groups[]; int hfi1_device_create(struct hfi1_devdata *dd); void hfi1_device_remove(struct hfi1_devdata *dd); -int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num, - struct kobject *kobj); int hfi1_verbs_register_sysfs(struct hfi1_devdata *dd); void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *dd); /* Hook for sysfs read of QSFP */ @@ -2034,7 +2189,6 @@ extern int num_user_contexts; extern unsigned long n_krcvqs; extern uint krcvqs[]; extern int krcvqsset; -extern uint kdeth_qp; extern uint loopback; extern uint quick_linkup; extern uint rcv_intr_timeout; @@ -2100,7 +2254,7 @@ static inline u64 hfi1_pkt_default_send_ctxt_mask(struct hfi1_devdata *dd, SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_TEST_SMASK | #endif HFI1_PKT_USER_SC_INTEGRITY; - else + else if (ctxt_type != SC_KERNEL) base_sc_integrity |= HFI1_PKT_KERNEL_SC_INTEGRITY; /* turn on send-side job key checks if !A0 */ @@ -2185,20 +2339,6 @@ static inline u64 hfi1_pkt_base_sdma_integrity(struct hfi1_devdata *dd) dev_err(&(dd)->pcidev->dev, "%s: port %u: " fmt, \ rvt_get_ibdev_name(&(dd)->verbs_dev.rdi), (port), ##__VA_ARGS__) -/* - * this is used for formatting hw error messages... - */ -struct hfi1_hwerror_msgs { - u64 mask; - const char *msg; - size_t sz; -}; - -/* in intr.c... */ -void hfi1_format_hwerrors(u64 hwerrs, - const struct hfi1_hwerror_msgs *hwerrmsgs, - size_t nhwerrmsgs, char *msg, size_t lmsg); - #define USER_OPCODE_CHECK_VAL 0xC0 #define USER_OPCODE_CHECK_MASK 0xC0 #define OPCODE_CHECK_VAL_DISABLED 0x0 @@ -2249,10 +2389,29 @@ static inline bool is_integrated(struct hfi1_devdata *dd) return dd->pcidev->device == PCI_DEVICE_ID_INTEL1; } +/** + * hfi1_need_drop - detect need for drop + * @dd: - the device + * + * In some cases, the first packet needs to be dropped. + * + * Return true is the current packet needs to be dropped and false otherwise. + */ +static inline bool hfi1_need_drop(struct hfi1_devdata *dd) +{ + if (unlikely(dd->do_drop && + atomic_xchg(&dd->drop_packet, DROP_PACKET_OFF) == + DROP_PACKET_ON)) { + dd->do_drop = false; + return true; + } + return false; +} + int hfi1_tempsense_rd(struct hfi1_devdata *dd, struct hfi1_temp *temp); #define DD_DEV_ENTRY(dd) __string(dev, dev_name(&(dd)->pcidev->dev)) -#define DD_DEV_ASSIGN(dd) __assign_str(dev, dev_name(&(dd)->pcidev->dev)) +#define DD_DEV_ASSIGN(dd) __assign_str(dev) static inline void hfi1_update_ah_attr(struct ib_device *ibdev, struct rdma_ah_attr *attr) @@ -2386,7 +2545,7 @@ static inline bool hfi1_get_hdr_type(u32 lid, struct rdma_ah_attr *attr) HFI1_PKT_TYPE_16B : HFI1_PKT_TYPE_9B; /* - * Return a 16B header type if either the the destination + * Return a 16B header type if either the destination * or source lid is extended. */ if (hfi1_get_packet_type(rdma_ah_get_dlid(attr)) == HFI1_PKT_TYPE_16B) |