diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-06 11:09:45 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-06 11:09:45 -0800 |
commit | 2246edfaf88dc368e8671b04afd54412625df60a (patch) | |
tree | 0597235e022e707eae23ab4c23aa6d4bbd545803 /drivers/infiniband | |
parent | 3ff1b28caaff1d66d2be7e6eb7c56f78e9046fbb (diff) | |
parent | 03ecdd2dcf39834ff2b012a8b29168d7076da84a (diff) |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull more rdma updates from Doug Ledford:
"Items of note:
- two patches fix a regression in the 4.15 kernel. The 4.14 kernel
worked fine with NVMe over Fabrics and mlx5 adapters. That broke in
4.15. The fix is here.
- one of the patches (the endian notation patch from Lijun) looks
like a lot of lines of change, but it's mostly mechanical in
nature. It amounts to the biggest chunk of change in it (it's about
2/3rds of the overall pull request).
Summary:
- Clean up some function signatures in rxe for clarity
- Tidy the RDMA netlink header to remove unimplemented constants
- bnxt_re driver fixes, one is a regression this window.
- Minor hns driver fixes
- Various fixes from Dan Carpenter and his tool
- Fix IRQ cleanup race in HFI1
- HF1 performance optimizations and a fix to report counters in the right units
- Fix for an IPoIB startup sequence race with the external manager
- Oops fix for the new kabi path
- Endian cleanups for hns
- Fix for mlx5 related to the new automatic affinity support"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (38 commits)
net/mlx5: increase async EQ to avoid EQ overrun
mlx5: fix mlx5_get_vector_affinity to start from completion vector 0
RDMA/hns: Fix the endian problem for hns
IB/uverbs: Use the standard kConfig format for experimental
IB: Update references to libibverbs
IB/hfi1: Add 16B rcvhdr trace support
IB/hfi1: Convert kzalloc_node and kcalloc to use kcalloc_node
IB/core: Avoid a potential OOPs for an unused optional parameter
IB/core: Map iWarp AH type to undefined in rdma_ah_find_type
IB/ipoib: Fix for potential no-carrier state
IB/hfi1: Show fault stats in both TX and RX directions
IB/hfi1: Remove blind constants from 16B update
IB/hfi1: Convert PortXmitWait/PortVLXmitWait counters to flit times
IB/hfi1: Do not override given pcie_pset value
IB/hfi1: Optimize process_receive_ib()
IB/hfi1: Remove unnecessary fecn and becn fields
IB/hfi1: Look up ibport using a pointer in receive path
IB/hfi1: Optimize packet type comparison using 9B and bypass code paths
IB/hfi1: Compute BTH only for RDMA_WRITE_LAST/SEND_LAST packet
IB/hfi1: Remove dependence on qp->s_hdrwords
...
Diffstat (limited to 'drivers/infiniband')
48 files changed, 882 insertions, 620 deletions
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index 5cd700421695..8517d6ea91a6 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -20,7 +20,8 @@ config INFINIBAND_USER_MAD Userspace InfiniBand Management Datagram (MAD) support. This is the kernel side of the userspace MAD support, which allows userspace processes to send and receive MADs. You will also - need libibumad from <http://www.openfabrics.org/downloads/management/>. + need libibumad from rdma-core + <https://github.com/linux-rdma/rdma-core>. config INFINIBAND_USER_ACCESS tristate "InfiniBand userspace access (verbs and CM)" @@ -32,10 +33,10 @@ config INFINIBAND_USER_ACCESS to set up connections and directly access InfiniBand hardware for fast-path operations. You will also need libibverbs, libibcm and a hardware driver library from - <http://www.openfabrics.org/git/>. + rdma-core <https://github.com/linux-rdma/rdma-core>. config INFINIBAND_EXP_USER_ACCESS - bool "Allow experimental support for Infiniband ABI" + bool "Enable the full uverbs ioctl interface (EXPERIMENTAL)" depends on INFINIBAND_USER_ACCESS ---help--- IOCTL based ABI support for Infiniband. This allows userspace diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index fa8655e3b3ed..5326a684555f 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -499,8 +499,10 @@ static int nldev_res_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, return -EINVAL; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) + if (!msg) { + ret = -ENOMEM; goto err; + } nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_RES_GET), diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index b571176babbe..cab0ac3556eb 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -316,7 +316,7 @@ static int uverbs_create_cq_handler(struct ib_device *ib_dev, cq->uobject = &obj->uobject; cq->comp_handler = ib_uverbs_comp_handler; cq->event_handler = ib_uverbs_cq_event_handler; - cq->cq_context = &ev_file->ev_queue; + cq->cq_context = ev_file ? &ev_file->ev_queue : NULL; obj->uobject.object = cq; obj->uobject.user_handle = user_handle; atomic_set(&cq->usecnt, 0); diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 9b8fa77b8831..ae9e9ff54826 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -1314,7 +1314,7 @@ int bnxt_re_destroy_srq(struct ib_srq *ib_srq) return rc; } - if (srq->umem && !IS_ERR(srq->umem)) + if (srq->umem) ib_umem_release(srq->umem); kfree(srq); atomic_dec(&rdev->srq_count); @@ -1430,11 +1430,8 @@ struct ib_srq *bnxt_re_create_srq(struct ib_pd *ib_pd, return &srq->ib_srq; fail: - if (udata && srq->umem && !IS_ERR(srq->umem)) { + if (srq->umem) ib_umem_release(srq->umem); - srq->umem = NULL; - } - kfree(srq); exit: return ERR_PTR(rc); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 8b5f11ac0e42..1b0e94697fe3 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -557,8 +557,10 @@ int bnxt_qplib_create_srq(struct bnxt_qplib_res *res, srq->swq = kcalloc(srq->hwq.max_elements, sizeof(*srq->swq), GFP_KERNEL); - if (!srq->swq) + if (!srq->swq) { + rc = -ENOMEM; goto fail; + } RCFW_CMD_PREP(req, CREATE_SRQ, cmd_flags); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index ad37d54affcc..539a5d44e6db 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -705,12 +705,8 @@ static int bnxt_qplib_alloc_dpi_tbl(struct bnxt_qplib_res *res, dpit->max = dbr_len / PAGE_SIZE; dpit->app_tbl = kcalloc(dpit->max, sizeof(void *), GFP_KERNEL); - if (!dpit->app_tbl) { - pci_iounmap(res->pdev, dpit->dbr_bar_reg_iomem); - dev_err(&res->pdev->dev, - "QPLIB: DPI app tbl allocation failed"); - return -ENOMEM; - } + if (!dpit->app_tbl) + goto unmap_io; bytes = dpit->max >> 3; if (!bytes) @@ -718,18 +714,18 @@ static int bnxt_qplib_alloc_dpi_tbl(struct bnxt_qplib_res *res, dpit->tbl = kmalloc(bytes, GFP_KERNEL); if (!dpit->tbl) { - pci_iounmap(res->pdev, dpit->dbr_bar_reg_iomem); kfree(dpit->app_tbl); dpit->app_tbl = NULL; - dev_err(&res->pdev->dev, - "QPLIB: DPI tbl allocation failed for size = %d", - bytes); - return -ENOMEM; + goto unmap_io; } memset((u8 *)dpit->tbl, 0xFF, bytes); return 0; + +unmap_io: + pci_iounmap(res->pdev, dpit->dbr_bar_reg_iomem); + return -ENOMEM; } /* PKEYs */ diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 6660f920f42e..e6a60fa59f2b 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -1083,6 +1083,7 @@ static int qos_rmt_entries(struct hfi1_devdata *dd, unsigned int *mp, static void clear_full_mgmt_pkey(struct hfi1_pportdata *ppd); static int wait_link_transfer_active(struct hfi1_devdata *dd, int wait_ms); static void clear_rsm_rule(struct hfi1_devdata *dd, u8 rule_index); +static void update_xmit_counters(struct hfi1_pportdata *ppd, u16 link_width); /* * Error interrupt table entry. This is used as input to the interrupt @@ -6905,6 +6906,32 @@ void handle_freeze(struct work_struct *work) /* no longer frozen */ } +/** + * update_xmit_counters - update PortXmitWait/PortVlXmitWait + * counters. + * @ppd: info of physical Hfi port + * @link_width: new link width after link up or downgrade + * + * Update the PortXmitWait and PortVlXmitWait counters after + * a link up or downgrade event to reflect a link width change. + */ +static void update_xmit_counters(struct hfi1_pportdata *ppd, u16 link_width) +{ + int i; + u16 tx_width; + u16 link_speed; + + tx_width = tx_link_width(link_width); + link_speed = get_link_speed(ppd->link_speed_active); + + /* + * There are C_VL_COUNT number of PortVLXmitWait counters. + * Adding 1 to C_VL_COUNT to include the PortXmitWait counter. + */ + for (i = 0; i < C_VL_COUNT + 1; i++) + get_xmit_wait_counters(ppd, tx_width, link_speed, i); +} + /* * Handle a link up interrupt from the 8051. * @@ -7526,18 +7553,29 @@ void handle_verify_cap(struct work_struct *work) set_link_state(ppd, HLS_GOING_UP); } -/* - * Apply the link width downgrade enabled policy against the current active - * link widths. +/** + * apply_link_downgrade_policy - Apply the link width downgrade enabled + * policy against the current active link widths. + * @ppd: info of physical Hfi port + * @refresh_widths: True indicates link downgrade event + * @return: True indicates a successful link downgrade. False indicates + * link downgrade event failed and the link will bounce back to + * default link width. * - * Called when the enabled policy changes or the active link widths change. + * Called when the enabled policy changes or the active link widths + * change. + * Refresh_widths indicates that a link downgrade occurred. The + * link_downgraded variable is set by refresh_widths and + * determines the success/failure of the policy application. */ -void apply_link_downgrade_policy(struct hfi1_pportdata *ppd, int refresh_widths) +bool apply_link_downgrade_policy(struct hfi1_pportdata *ppd, + bool refresh_widths) { int do_bounce = 0; int tries; u16 lwde; u16 tx, rx; + bool link_downgraded = refresh_widths; /* use the hls lock to avoid a race with actual link up */ tries = 0; @@ -7571,6 +7609,7 @@ retry: ppd->link_width_downgrade_rx_active == 0) { /* the 8051 reported a dead link as a downgrade */ dd_dev_err(ppd->dd, "Link downgrade is really a link down, ignoring\n"); + link_downgraded = false; } else if (lwde == 0) { /* downgrade is disabled */ @@ -7587,6 +7626,7 @@ retry: ppd->link_width_downgrade_tx_active, ppd->link_width_downgrade_rx_active); do_bounce = 1; + link_downgraded = false; } } else if ((lwde & ppd->link_width_downgrade_tx_active) == 0 || (lwde & ppd->link_width_downgrade_rx_active) == 0) { @@ -7598,6 +7638,7 @@ retry: lwde, ppd->link_width_downgrade_tx_active, ppd->link_width_downgrade_rx_active); do_bounce = 1; + link_downgraded = false; } done: @@ -7609,6 +7650,8 @@ done: set_link_state(ppd, HLS_DN_OFFLINE); start_link(ppd); } + + return link_downgraded; } /* @@ -7622,7 +7665,8 @@ void handle_link_downgrade(struct work_struct *work) link_downgrade_work); dd_dev_info(ppd->dd, "8051: Link width downgrade\n"); - apply_link_downgrade_policy(ppd, 1); + if (apply_link_downgrade_policy(ppd, true)) + update_xmit_counters(ppd, ppd->link_width_downgrade_tx_active); } static char *dcc_err_string(char *buf, int buf_len, u64 flags) @@ -8264,8 +8308,8 @@ static irqreturn_t sdma_interrupt(int irq, void *data) /* handle the interrupt(s) */ sdma_engine_interrupt(sde, status); } else { - dd_dev_err_ratelimited(dd, "SDMA engine %u interrupt, but no status bits set\n", - sde->this_idx); + dd_dev_info_ratelimited(dd, "SDMA engine %u interrupt, but no status bits set\n", + sde->this_idx); } return IRQ_HANDLED; } @@ -10597,6 +10641,14 @@ int set_link_state(struct hfi1_pportdata *ppd, u32 state) add_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK); handle_linkup_change(dd, 1); + + /* + * After link up, a new link width will have been set. + * Update the xmit counters with regards to the new + * link width. + */ + update_xmit_counters(ppd, ppd->link_width_active); + ppd->host_link_state = HLS_UP_INIT; update_statusp(ppd, IB_PORT_INIT); break; @@ -12960,7 +13012,14 @@ static void disable_intx(struct pci_dev *pdev) pci_intx(pdev, 0); } -static void clean_up_interrupts(struct hfi1_devdata *dd) +/** + * hfi1_clean_up_interrupts() - Free all IRQ resources + * @dd: valid device data data structure + * + * Free the MSI or INTx IRQs and assoicated PCI resources, + * if they have been allocated. + */ +void hfi1_clean_up_interrupts(struct hfi1_devdata *dd) { int i; @@ -13321,7 +13380,7 @@ static int set_up_interrupts(struct hfi1_devdata *dd) return 0; fail: - clean_up_interrupts(dd); + hfi1_clean_up_interrupts(dd); return ret; } @@ -14748,7 +14807,6 @@ void hfi1_start_cleanup(struct hfi1_devdata *dd) aspm_exit(dd); free_cntrs(dd); free_rcverr(dd); - clean_up_interrupts(dd); finish_chip_resources(dd); } @@ -15204,7 +15262,7 @@ bail_free_rcverr: bail_free_cntrs: free_cntrs(dd); bail_clear_intr: - clean_up_interrupts(dd); + hfi1_clean_up_interrupts(dd); bail_cleanup: hfi1_pcie_ddcleanup(dd); bail_free: diff --git a/drivers/infiniband/hw/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h index 21fca8ec5076..c0d70f255050 100644 --- a/drivers/infiniband/hw/hfi1/chip.h +++ b/drivers/infiniband/hw/hfi1/chip.h @@ -736,8 +736,8 @@ int read_8051_config(struct hfi1_devdata *, u8, u8, u32 *); int start_link(struct hfi1_pportdata *ppd); int bringup_serdes(struct hfi1_pportdata *ppd); void set_intr_state(struct hfi1_devdata *dd, u32 enable); -void apply_link_downgrade_policy(struct hfi1_pportdata *ppd, - int refresh_widths); +bool apply_link_downgrade_policy(struct hfi1_pportdata *ppd, + bool refresh_widths); void update_usrhead(struct hfi1_ctxtdata *rcd, u32 hd, u32 updegr, u32 egrhd, u32 intr_adjust, u32 npkts); int stop_drain_data_vls(struct hfi1_devdata *dd); diff --git a/drivers/infiniband/hw/hfi1/debugfs.c b/drivers/infiniband/hw/hfi1/debugfs.c index 2e6e0c516041..852173bf05d0 100644 --- a/drivers/infiniband/hw/hfi1/debugfs.c +++ b/drivers/infiniband/hw/hfi1/debugfs.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2015-2017 Intel Corporation. + * 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. @@ -1201,6 +1201,13 @@ static int _fault_stats_seq_show(struct seq_file *s, void *v) } hfi1_rcd_put(rcd); } + for_each_possible_cpu(j) { + struct hfi1_opcode_stats_perctx *sp = + per_cpu_ptr(dd->tx_opstats, j); + + n_packets += sp->stats[i].n_packets; + n_bytes += sp->stats[i].n_bytes; + } if (!n_packets && !n_bytes) return SEQ_SKIP; if (!ibd->fault_opcode->n_rxfaults[i] && diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c index 067b29f35f21..addc68e83606 100644 --- a/drivers/infiniband/hw/hfi1/driver.c +++ b/drivers/infiniband/hw/hfi1/driver.c @@ -256,7 +256,12 @@ static void rcv_hdrerr(struct hfi1_ctxtdata *rcd, struct hfi1_pportdata *ppd, u32 mlid_base; struct hfi1_ibport *ibp = rcd_to_iport(rcd); struct hfi1_devdata *dd = ppd->dd; - struct rvt_dev_info *rdi = &dd->verbs_dev.rdi; + struct hfi1_ibdev *verbs_dev = &dd->verbs_dev; + struct rvt_dev_info *rdi = &verbs_dev->rdi; + + if ((packet->rhf & RHF_DC_ERR) && + hfi1_dbg_fault_suppress_err(verbs_dev)) + return; if (packet->rhf & (RHF_VCRC_ERR | RHF_ICRC_ERR)) return; @@ -634,9 +639,10 @@ next: } } -static void process_rcv_qp_work(struct hfi1_ctxtdata *rcd) +static void process_rcv_qp_work(struct hfi1_packet *packet) { struct rvt_qp *qp, *nqp; + struct hfi1_ctxtdata *rcd = packet->rcd; /* * Iterate over all QPs waiting to respond. @@ -646,7 +652,8 @@ static void process_rcv_qp_work(struct hfi1_ctxtdata *rcd) list_del_init(&qp->rspwait); if (qp->r_flags & RVT_R_RSP_NAK) { qp->r_flags &= ~RVT_R_RSP_NAK; - hfi1_send_rc_ack(rcd, qp, 0); + packet->qp = qp; + hfi1_send_rc_ack(packet, 0); } if (qp->r_flags & RVT_R_RSP_SEND) { unsigned long flags; @@ -667,7 +674,7 @@ static noinline int max_packet_exceeded(struct hfi1_packet *packet, int thread) if (thread) { if ((packet->numpkt & (MAX_PKT_RECV_THREAD - 1)) == 0) /* allow defered processing */ - process_rcv_qp_work(packet->rcd); + process_rcv_qp_work(packet); cond_resched(); return RCV_PKT_OK; } else { @@ -809,7 +816,7 @@ int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *rcd, int thread) last = RCV_PKT_DONE; process_rcv_update(last, &packet); } - process_rcv_qp_work(rcd); + process_rcv_qp_work(&packet); rcd->head = packet.rhqoff; bail: finish_packet(&packet); @@ -838,7 +845,7 @@ int handle_receive_interrupt_dma_rtail(struct hfi1_ctxtdata *rcd, int thread) last = RCV_PKT_DONE; process_rcv_update(last, &packet); } - process_rcv_qp_work(rcd); + process_rcv_qp_work(&packet); rcd->head = packet.rhqoff; bail: finish_packet(&packet); @@ -1068,7 +1075,7 @@ int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread) process_rcv_update(last, &packet); } - process_rcv_qp_work(rcd); + process_rcv_qp_work(&packet); rcd->head = packet.rhqoff; bail: @@ -1438,8 +1445,8 @@ static int hfi1_setup_9B_packet(struct hfi1_packet *packet) packet->sc = hfi1_9B_get_sc5(hdr, packet->rhf); packet->pad = ib_bth_get_pad(packet->ohdr); packet->extra_byte = 0; - packet->fecn = ib_bth_get_fecn(packet->ohdr); - packet->becn = ib_bth_get_becn(packet->ohdr); + packet->pkey = ib_bth_get_pkey(packet->ohdr); + packet->migrated = ib_bth_is_migration(packet->ohdr); return 0; drop: @@ -1492,8 +1499,10 @@ static int hfi1_setup_bypass_packet(struct hfi1_packet *packet) /* Query commonly used fields from packet header */ packet->opcode = ib_bth_get_opcode(packet->ohdr); - packet->hlen = hdr_len_by_opcode[packet->opcode] + 8 + grh_len; - packet->payload = packet->ebuf + packet->hlen - (4 * sizeof(u32)); + /* hdr_len_by_opcode already has an IB LRH factored in */ + packet->hlen = hdr_len_by_opcode[packet->opcode] + + (LRH_16B_BYTES - LRH_9B_BYTES) + grh_len; + packet->payload = packet->ebuf + packet->hlen - LRH_16B_BYTES; packet->slid = hfi1_16B_get_slid(packet->hdr); packet->dlid = hfi1_16B_get_dlid(packet->hdr); if (unlikely(hfi1_is_16B_mcast(packet->dlid))) @@ -1504,8 +1513,8 @@ static int hfi1_setup_bypass_packet(struct hfi1_packet *packet) packet->sl = ibp->sc_to_sl[packet->sc]; packet->pad = hfi1_16B_bth_get_pad(packet->ohdr); packet->extra_byte = SIZE_OF_LT; - packet->fecn = hfi1_16B_get_fecn(packet->hdr); - packet->becn = hfi1_16B_get_becn(packet->hdr); + packet->pkey = hfi1_16B_get_pkey(packet->hdr); + packet->migrated = opa_bth_is_migration(packet->ohdr); if (hfi1_bypass_ingress_pkt_check(packet)) goto drop; @@ -1550,19 +1559,7 @@ int process_receive_ib(struct hfi1_packet *packet) if (hfi1_setup_9B_packet(packet)) return RHF_RCV_CONTINUE; - trace_hfi1_rcvhdr(packet->rcd->ppd->dd, - packet->rcd->ctxt, - rhf_err_flags(packet->rhf), - RHF_RCV_TYPE_IB, - packet->hlen, - packet->tlen, - packet->updegr, - rhf_egr_index(packet->rhf)); - - if (unlikely( - (hfi1_dbg_fault_suppress_err(&packet->rcd->dd->verbs_dev) && - (packet->rhf & RHF_DC_ERR)))) - return RHF_RCV_CONTINUE; + trace_hfi1_rcvhdr(packet); if (unlikely(rhf_err_flags(packet->rhf))) { handle_eflags(packet); @@ -1598,6 +1595,8 @@ int process_receive_bypass(struct hfi1_packet *packet) if (hfi1_setup_bypass_packet(packet)) return RHF_RCV_CONTINUE; + trace_hfi1_rcvhdr(packet); + if (unlikely(rhf_err_flags(packet->rhf))) { handle_eflags(packet); return RHF_RCV_CONTINUE; diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index bd6f03cc5ee0..d9a0f2590294 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -196,9 +196,6 @@ static int hfi1_file_open(struct inode *inode, struct file *fp) if (!atomic_inc_not_zero(&dd->user_refcount)) return -ENXIO; - /* Just take a ref now. Not all opens result in a context assign */ - kobject_get(&dd->kobj); - /* The real work is performed later in assign_ctxt() */ fd = kzalloc(sizeof(*fd), GFP_KERNEL); @@ -208,6 +205,7 @@ static int hfi1_file_open(struct inode *inode, struct file *fp) fd->mm = current->mm; mmgrab(fd->mm); fd->dd = dd; + kobject_get(&fd->dd->kobj); fp->private_data = fd; } else { fp->private_data = NULL; diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index b42c22292597..90bc8c76d2ca 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -341,6 +341,7 @@ struct hfi1_packet { u32 slid; u16 tlen; s16 etail; + u16 pkey; u8 hlen; u8 numpkt; u8 rsize; @@ -351,8 +352,7 @@ struct hfi1_packet { u8 sc; u8 sl; u8 opcode; - bool becn; - bool fecn; + bool migrated; }; /* Packet types */ @@ -858,6 +858,13 @@ struct hfi1_pportdata { struct work_struct linkstate_active_work; /* Does this port need to prescan for FECNs */ bool cc_prescan; + /* + * Sample sendWaitCnt & sendWaitVlCnt during link transition + * and counter request. |