diff options
Diffstat (limited to 'drivers/infiniband/hw')
26 files changed, 221 insertions, 353 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index 867b8cf82be8..19c6477af19f 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -666,18 +666,6 @@ skip_cqe: return ret; } -static void invalidate_mr(struct c4iw_dev *rhp, u32 rkey) -{ - struct c4iw_mr *mhp; - unsigned long flags; - - spin_lock_irqsave(&rhp->lock, flags); - mhp = get_mhp(rhp, rkey >> 8); - if (mhp) - mhp->attr.state = 0; - spin_unlock_irqrestore(&rhp->lock, flags); -} - /* * Get one cq entry from c4iw and map it to openib. * @@ -733,7 +721,7 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc) CQE_OPCODE(&cqe) == FW_RI_SEND_WITH_SE_INV) { wc->ex.invalidate_rkey = CQE_WRID_STAG(&cqe); wc->wc_flags |= IB_WC_WITH_INVALIDATE; - invalidate_mr(qhp->rhp, wc->ex.invalidate_rkey); + c4iw_invalidate_mr(qhp->rhp, wc->ex.invalidate_rkey); } } else { switch (CQE_OPCODE(&cqe)) { @@ -762,7 +750,8 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc) /* Invalidate the MR if the fastreg failed */ if (CQE_STATUS(&cqe) != T4_ERR_SUCCESS) - invalidate_mr(qhp->rhp, CQE_WRID_FR_STAG(&cqe)); + c4iw_invalidate_mr(qhp->rhp, + CQE_WRID_FR_STAG(&cqe)); break; default: printk(KERN_ERR MOD "Unexpected opcode %d " diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index 7e7f79e55006..4788e1a46fde 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -999,6 +999,6 @@ extern int db_coalescing_threshold; extern int use_dsgl; void c4iw_drain_rq(struct ib_qp *qp); void c4iw_drain_sq(struct ib_qp *qp); - +void c4iw_invalidate_mr(struct c4iw_dev *rhp, u32 rkey); #endif diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index 80e27749420a..410408f886c1 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -770,3 +770,15 @@ int c4iw_dereg_mr(struct ib_mr *ib_mr) kfree(mhp); return 0; } + +void c4iw_invalidate_mr(struct c4iw_dev *rhp, u32 rkey) +{ + struct c4iw_mr *mhp; + unsigned long flags; + + spin_lock_irqsave(&rhp->lock, flags); + mhp = get_mhp(rhp, rkey >> 8); + if (mhp) + mhp->attr.state = 0; + spin_unlock_irqrestore(&rhp->lock, flags); +} diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index f57deba6717c..b7ac97b27c88 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -706,12 +706,8 @@ static int build_memreg(struct t4_sq *sq, union t4_wr *wqe, return 0; } -static int build_inv_stag(struct c4iw_dev *dev, union t4_wr *wqe, - struct ib_send_wr *wr, u8 *len16) +static int build_inv_stag(union t4_wr *wqe, struct ib_send_wr *wr, u8 *len16) { - struct c4iw_mr *mhp = get_mhp(dev, wr->ex.invalidate_rkey >> 8); - - mhp->attr.state = 0; wqe->inv.stag_inv = cpu_to_be32(wr->ex.invalidate_rkey); wqe->inv.r2 = 0; *len16 = DIV_ROUND_UP(sizeof wqe->inv, 16); @@ -797,11 +793,13 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, spin_lock_irqsave(&qhp->lock, flag); if (t4_wq_in_error(&qhp->wq)) { spin_unlock_irqrestore(&qhp->lock, flag); + *bad_wr = wr; return -EINVAL; } num_wrs = t4_sq_avail(&qhp->wq); if (num_wrs == 0) { spin_unlock_irqrestore(&qhp->lock, flag); + *bad_wr = wr; return -ENOMEM; } while (wr) { @@ -840,10 +838,13 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, case IB_WR_RDMA_READ_WITH_INV: fw_opcode = FW_RI_RDMA_READ_WR; swsqe->opcode = FW_RI_READ_REQ; - if (wr->opcode == IB_WR_RDMA_READ_WITH_INV) + if (wr->opcode == IB_WR_RDMA_READ_WITH_INV) { + c4iw_invalidate_mr(qhp->rhp, + wr->sg_list[0].lkey); fw_flags = FW_RI_RDMA_READ_INVALIDATE; - else + } else { fw_flags = 0; + } err = build_rdma_read(wqe, wr, &len16); if (err) break; @@ -876,7 +877,8 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, fw_flags |= FW_RI_LOCAL_FENCE_FLAG; fw_opcode = FW_RI_INV_LSTAG_WR; swsqe->opcode = FW_RI_LOCAL_INV; - err = build_inv_stag(qhp->rhp, wqe, wr, &len16); + err = build_inv_stag(wqe, wr, &len16); + c4iw_invalidate_mr(qhp->rhp, wr->ex.invalidate_rkey); break; default: PDBG("%s post of type=%d TBD!\n", __func__, @@ -934,11 +936,13 @@ int c4iw_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, spin_lock_irqsave(&qhp->lock, flag); if (t4_wq_in_error(&qhp->wq)) { spin_unlock_irqrestore(&qhp->lock, flag); + *bad_wr = wr; return -EINVAL; } num_wrs = t4_rq_avail(&qhp->wq); if (num_wrs == 0) { spin_unlock_irqrestore(&qhp->lock, flag); + *bad_wr = wr; return -ENOMEM; } while (wr) { diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c index a26a9a0bfc41..67ea85a56945 100644 --- a/drivers/infiniband/hw/hfi1/affinity.c +++ b/drivers/infiniband/hw/hfi1/affinity.c @@ -775,75 +775,3 @@ void hfi1_put_proc_affinity(int cpu) } mutex_unlock(&affinity->lock); } - -int hfi1_set_sdma_affinity(struct hfi1_devdata *dd, const char *buf, - size_t count) -{ - struct hfi1_affinity_node *entry; - cpumask_var_t mask; - int ret, i; - - mutex_lock(&node_affinity.lock); - entry = node_affinity_lookup(dd->node); - - if (!entry) { - ret = -EINVAL; - goto unlock; - } - - ret = zalloc_cpumask_var(&mask, GFP_KERNEL); - if (!ret) { - ret = -ENOMEM; - goto unlock; - } - - ret = cpulist_parse(buf, mask); - if (ret) - goto out; - - if (!cpumask_subset(mask, cpu_online_mask) || cpumask_empty(mask)) { - dd_dev_warn(dd, "Invalid CPU mask\n"); - ret = -EINVAL; - goto out; - } - - /* reset the SDMA interrupt affinity details */ - init_cpu_mask_set(&entry->def_intr); - cpumask_copy(&entry->def_intr.mask, mask); - - /* Reassign the affinity for each SDMA interrupt. */ - for (i = 0; i < dd->num_msix_entries; i++) { - struct hfi1_msix_entry *msix; - - msix = &dd->msix_entries[i]; - if (msix->type != IRQ_SDMA) - continue; - - ret = get_irq_affinity(dd, msix); - - if (ret) - break; - } -out: - free_cpumask_var(mask); -unlock: - mutex_unlock(&node_affinity.lock); - return ret ? ret : strnlen(buf, PAGE_SIZE); -} - -int hfi1_get_sdma_affinity(struct hfi1_devdata *dd, char *buf) -{ - struct hfi1_affinity_node *entry; - - mutex_lock(&node_affinity.lock); - entry = node_affinity_lookup(dd->node); - - if (!entry) { - mutex_unlock(&node_affinity.lock); - return -EINVAL; - } - - cpumap_print_to_pagebuf(true, buf, &entry->def_intr.mask); - mutex_unlock(&node_affinity.lock); - return strnlen(buf, PAGE_SIZE); -} diff --git a/drivers/infiniband/hw/hfi1/affinity.h b/drivers/infiniband/hw/hfi1/affinity.h index b89ea3c0ee1a..42e63316afd1 100644 --- a/drivers/infiniband/hw/hfi1/affinity.h +++ b/drivers/infiniband/hw/hfi1/affinity.h @@ -102,10 +102,6 @@ int hfi1_get_proc_affinity(int); /* Release a CPU used by a user process. */ void hfi1_put_proc_affinity(int); -int hfi1_get_sdma_affinity(struct hfi1_devdata *dd, char *buf); -int hfi1_set_sdma_affinity(struct hfi1_devdata *dd, const char *buf, - size_t count); - struct hfi1_affinity_node { int node; struct cpu_mask_set def_intr; diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 9bf5f23544d4..24d0820873cf 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -6301,19 +6301,8 @@ void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf) /* leave shared count at zero for both global and VL15 */ write_global_credit(dd, vau, vl15buf, 0); - /* We may need some credits for another VL when sending packets - * with the snoop interface. Dividing it down the middle for VL15 - * and VL0 should suffice. - */ - if (unlikely(dd->hfi1_snoop.mode_flag == HFI1_PORT_SNOOP_MODE)) { - write_csr(dd, SEND_CM_CREDIT_VL15, (u64)(vl15buf >> 1) - << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT); - write_csr(dd, SEND_CM_CREDIT_VL, (u64)(vl15buf >> 1) - << SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SHIFT); - } else { - write_csr(dd, SEND_CM_CREDIT_VL15, (u64)vl15buf - << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT); - } + write_csr(dd, SEND_CM_CREDIT_VL15, (u64)vl15buf + << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT); } /* @@ -9915,9 +9904,6 @@ static void set_lidlmc(struct hfi1_pportdata *ppd) u32 mask = ~((1U << ppd->lmc) - 1); u64 c1 = read_csr(ppd->dd, DCC_CFG_PORT_CONFIG1); - if (dd->hfi1_snoop.mode_flag) - dd_dev_info(dd, "Set lid/lmc while snooping"); - c1 &= ~(DCC_CFG_PORT_CONFIG1_TARGET_DLID_SMASK | DCC_CFG_PORT_CONFIG1_DLID_MASK_SMASK); c1 |= ((ppd->lid & DCC_CFG_PORT_CONFIG1_TARGET_DLID_MASK) @@ -12112,7 +12098,7 @@ static void update_synth_timer(unsigned long opaque) mod_timer(&dd->synth_stats_timer, jiffies + HZ * SYNTH_CNT_TIME); } -#define C_MAX_NAME 13 /* 12 chars + one for /0 */ +#define C_MAX_NAME 16 /* 15 chars + one for /0 */ static int init_cntrs(struct hfi1_devdata *dd) { int i, rcv_ctxts, j; @@ -14463,7 +14449,7 @@ struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev, * Any error printing is already done by the init code. * On return, we have the chip mapped. */ - ret = hfi1_pcie_ddinit(dd, pdev, ent); + ret = hfi1_pcie_ddinit(dd, pdev); if (ret < 0) goto bail_free; @@ -14691,6 +14677,11 @@ struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev, if (ret) goto bail_free_cntrs; + init_completion(&dd->user_comp); + + /* The user refcount starts with one to inidicate an active device */ + atomic_set(&dd->user_refcount, 1); + goto bail; bail_free_rcverr: diff --git a/drivers/infiniband/hw/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h index 92345259a8f4..043fd21dc5f3 100644 --- a/drivers/infiniband/hw/hfi1/chip.h +++ b/drivers/infiniband/hw/hfi1/chip.h @@ -320,6 +320,9 @@ /* DC_DC8051_CFG_MODE.GENERAL bits */ #define DISABLE_SELF_GUID_CHECK 0x2 +/* Bad L2 frame error code */ +#define BAD_L2_ERR 0x6 + /* * Eager buffer minimum and maximum sizes supported by the hardware. * All power-of-two sizes in between are supported as well. diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c index 6563e4d38b80..c5efff29c147 100644 --- a/drivers/infiniband/hw/hfi1/driver.c +++ b/drivers/infiniband/hw/hfi1/driver.c @@ -599,7 +599,6 @@ static void __prescan_rxq(struct hfi1_packet *packet) dd->rhf_offset; struct rvt_qp *qp; struct ib_header *hdr; - struct ib_other_headers *ohdr; struct rvt_dev_info *rdi = &dd->verbs_dev.rdi; u64 rhf = rhf_to_cpu(rhf_addr); u32 etype = rhf_rcv_type(rhf), qpn, bth1; @@ -615,18 +614,21 @@ static void __prescan_rxq(struct hfi1_packet *packet) if (etype != RHF_RCV_TYPE_IB) goto next; - hdr = hfi1_get_msgheader(dd, rhf_addr); + packet->hdr = hfi1_get_msgheader(dd, rhf_addr); + hdr = packet->hdr; lnh = be16_to_cpu(hdr->lrh[0]) & 3; - if (lnh == HFI1_LRH_BTH) - ohdr = &hdr->u.oth; - else if (lnh == HFI1_LRH_GRH) - ohdr = &hdr->u.l.oth; - else + if (lnh == HFI1_LRH_BTH) { + packet->ohdr = &hdr->u.oth; + } else if (lnh == HFI1_LRH_GRH) { + packet->ohdr = &hdr->u.l.oth; + packet->rcv_flags |= HFI1_HAS_GRH; + } else { goto next; /* just in case */ + } - bth1 = be32_to_cpu(ohdr->bth[1]); + bth1 = be32_to_cpu(packet->ohdr->bth[1]); is_ecn = !!(bth1 & (HFI1_FECN_SMASK | HFI1_BECN_SMASK)); if (!is_ecn) @@ -646,7 +648,7 @@ static void __prescan_rxq(struct hfi1_packet *packet) /* turn off BECN, FECN */ bth1 &= ~(HFI1_FECN_SMASK | HFI1_BECN_SMASK); - ohdr->bth[1] = cpu_to_be32(bth1); + packet->ohdr->bth[1] = cpu_to_be32(bth1); next: update_ps_mdata(&mdata, rcd); } @@ -1360,12 +1362,25 @@ int process_receive_ib(struct hfi1_packet *packet) int process_receive_bypass(struct hfi1_packet *packet) { + struct hfi1_devdata *dd = packet->rcd->dd; + if (unlikely(rhf_err_flags(packet->rhf))) handle_eflags(packet); - dd_dev_err(packet->rcd->dd, + dd_dev_err(dd, "Bypass packets are not supported in normal operation. Dropping\n"); - incr_cntr64(&packet->rcd->dd->sw_rcv_bypass_packet_errors); + incr_cntr64(&dd->sw_rcv_bypass_packet_errors); + if (!(dd->err_info_rcvport.status_and_code & OPA_EI_STATUS_SMASK)) { + u64 *flits = packet->ebuf; + + if (flits && !(packet->rhf & RHF_LEN_ERR)) { + dd->err_info_rcvport.packet_flit1 = flits[0]; + dd->err_info_rcvport.packet_flit2 = + packet->tlen > sizeof(flits[0]) ? flits[1] : 0; + } + dd->err_info_rcvport.status_and_code |= + (OPA_EI_STATUS_SMASK | BAD_L2_ERR); + } return RHF_RCV_CONTINUE; } diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index 677efa0e8cd6..bd786b7bd30b 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -172,6 +172,9 @@ static int hfi1_file_open(struct inode *inode, struct file *fp) struct hfi1_devdata, user_cdev); + 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); @@ -183,11 +186,17 @@ static int hfi1_file_open(struct inode *inode, struct file *fp) fd->rec_cpu_num = -1; /* no cpu affinity by default */ fd->mm = current->mm; atomic_inc(&fd->mm->mm_count); - } + fp->private_data = fd; + } else { + fp->private_data = NULL; + + if (atomic_dec_and_test(&dd->user_refcount)) + complete(&dd->user_comp); - fp->private_data = fd; + return -ENOMEM; + } - return fd ? 0 : -ENOMEM; + return 0; } static long hfi1_file_ioctl(struct file *fp, unsigned int cmd, @@ -798,6 +807,10 @@ static int hfi1_file_close(struct inode *inode, struct file *fp) done: mmdrop(fdata->mm); kobject_put(&dd->kobj); + + if (atomic_dec_and_test(&dd->user_refcount)) + complete(&dd->user_comp); + kfree(fdata); return 0; } diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index 7eef11b316ff..cc87fd4e534b 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -367,26 +367,6 @@ struct hfi1_packet { u8 etype; }; -/* - * Private data for snoop/capture support. - */ -struct hfi1_snoop_data { - int mode_flag; - struct cdev cdev; - struct device *class_dev; - /* protect snoop data */ - spinlock_t snoop_lock; - struct list_head queue; - wait_queue_head_t waitq; - void *filter_value; - int (*filter_callback)(void *hdr, void *data, void *value); - u64 dcc_cfg; /* saved value of DCC Cfg register */ -}; - -/* snoop mode_flag values */ -#define HFI1_PORT_SNOOP_MODE 1U -#define HFI1_PORT_CAPTURE_MODE 2U - struct rvt_sge_state; /* @@ -613,8 +593,6 @@ struct hfi1_pportdata { struct mutex hls_lock; u32 host_link_state; - spinlock_t sdma_alllock ____cacheline_aligned_in_smp; - u32 lstate; /* logical link state */ /* these are the "32 bit" regs */ @@ -1104,8 +1082,6 @@ struct hfi1_devdata { char *portcntrnames; size_t portcntrnameslen; - struct hfi1_snoop_data hfi1_snoop; - struct err_info_rcvport err_info_rcvport; struct err_info_constraint err_info_rcv_constraint; struct err_info_constraint err_info_xmit_constraint; @@ -1141,8 +1117,8 @@ struct hfi1_devdata { rhf_rcv_function_ptr normal_rhf_rcv_functions[8]; /* - * Handlers for outgoing data so that snoop/capture does not - * have to have its hooks in the send path + * Capability to have different send engines simply by changing a + * pointer value. */ send_routine process_pio_send; send_routine process_dma_send; @@ -1174,6 +1150,10 @@ struct hfi1_devdata { spinlock_t aspm_lock; /* Number of verbs contexts which have disabled ASPM */ atomic_t aspm_disabled_cnt; + /* Keeps track of user space clients */ + atomic_t user_refcount; + /* Used to wait for outstanding user space clients before dev removal */ + struct completion user_comp; struct hfi1_affinity *affinity; struct rhashtable sdma_rht; @@ -1221,8 +1201,6 @@ struct hfi1_devdata *hfi1_lookup(int unit); extern u32 hfi1_cpulist_count; extern unsigned long *hfi1_cpulist; -extern unsigned int snoop_drop_send; -extern unsigned int snoop_force_capture; int hfi1_init(struct hfi1_devdata *, int); int hfi1_count_units(int *npresentp, int *nupp); int hfi1_count_active_units(void); @@ -1557,13 +1535,6 @@ void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf); void reset_link_credits(struct hfi1_devdata *dd); void assign_remote_cm_au_table(struct hfi1_devdata *dd, u8 vcu); -int snoop_recv_handler(struct hfi1_packet *packet); -int snoop_send_dma_handler(struct rvt_qp *qp, struct hfi1_pkt_state *ps, - u64 pbc); -int snoop_send_pio_handler(struct rvt_qp *qp, struct hfi1_pkt_state *ps, - u64 pbc); -void snoop_inline_pio_send(struct hfi1_devdata *dd, struct pio_buf *pbuf, - u64 pbc, const void *from, size_t count); int set_buffer_control(struct hfi1_pportdata *ppd, struct buffer_control *bc); static inline struct hfi1_devdata *dd_from_ppd(struct hfi1_pportdata *ppd) @@ -1763,8 +1734,7 @@ int qsfp_dump(struct hfi1_pportdata *ppd, char *buf, int len); int hfi1_pcie_init(struct pci_dev *, const struct pci_device_id *); void hfi1_pcie_cleanup(struct pci_dev *); -int hfi1_pcie_ddinit(struct hfi1_devdata *, struct pci_dev *, - const struct pci_device_id *); +int hfi1_pcie_ddinit(struct hfi1_devdata *, struct pci_dev *); void hfi1_pcie_ddcleanup(struct hfi1_devdata *); void hfi1_pcie_flr(struct hfi1_devdata *); int pcie_speeds(struct hfi1_devdata *); @@ -1799,8 +1769,6 @@ int kdeth_process_expected(struct hfi1_packet *packet); int kdeth_process_eager(struct hfi1_packet *packet); int process_receive_invalid(struct hfi1_packet *packet); -extern rhf_rcv_function_ptr snoop_rhf_rcv_functions[8]; - void update_sge(struct rvt_sge_state *ss, u32 length); /* global module parameter variables */ @@ -1827,9 +1795,6 @@ extern struct mutex hfi1_mutex; #define DRIVER_NAME "hfi1" #define HFI1_USER_MINOR_BASE 0 #define HFI1_TRACE_MINOR 127 -#define HFI1_DIAGPKT_MINOR 128 -#define HFI1_DIAG_MINOR_BASE 129 -#define HFI1_SNOOP_CAPTURE_BASE 200 #define HFI1_NMINORS 255 #define PCI_VENDOR_ID_INTEL 0x8086 @@ -1848,7 +1813,13 @@ extern struct mutex hfi1_mutex; static inline u64 hfi1_pkt_default_send_ctxt_mask(struct hfi1_devdata *dd, u16 ctxt_type) { - u64 base_sc_integrity = + u64 base_sc_integrity; + + /* No integrity checks if HFI1_CAP_NO_INTEGRITY is set */ + if (HFI1_CAP_IS_KSET(NO_INTEGRITY)) + return 0; + + base_sc_integrity = SEND_CTXT_CHECK_ENABLE_DISALLOW_BYPASS_BAD_PKT_LEN_SMASK | SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_LONG_BYPASS_PACKETS_SMASK @@ -1863,7 +1834,6 @@ static inline u64 hfi1_pkt_default_send_ctxt_mask(struct hfi1_devdata *dd, | SEND_CTXT_CHECK_ENABLE_CHECK_VL_MAPPING_SMASK | SEND_CTXT_CHECK_ENABLE_CHECK_OPCODE_SMASK | SEND_CTXT_CHECK_ENABLE_CHECK_SLID_SMASK - | SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK | SEND_CTXT_CHECK_ENABLE_CHECK_VL_SMASK | SEND_CTXT_CHECK_ENABLE_CHECK_ENABLE_SMASK; @@ -1872,18 +1842,23 @@ static inline u64 hfi1_pkt_default_send_ctxt_mask(struct hfi1_devdata *dd, else base_sc_integrity |= HFI1_PKT_KERNEL_SC_INTEGRITY; - if (is_ax(dd)) - /* turn off send-side job key checks - A0 */ - return base_sc_integrity & - ~SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK; + /* turn on send-side job key checks if !A0 */ + if (!is_ax(dd)) + base_sc_integrity |= SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK; + return base_sc_integrity; } static inline u64 hfi1_pkt_base_sdma_integrity(struct hfi1_devdata *dd) { - u64 base_sdma_integrity = + u64 base_sdma_integrity; + + /* No integrity checks if HFI1_CAP_NO_INTEGRITY is set */ + if (HFI1_CAP_IS_KSET(NO_INTEGRITY)) + return 0; + + base_sdma_integrity = SEND_DMA_CHECK_ENABLE_DISALLOW_BYPASS_BAD_PKT_LEN_SMASK - | SEND_DMA_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_LONG_BYPASS_PACKETS_SMASK | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_LONG_IB_PACKETS_SMASK | SEND_DMA_CHECK_ENABLE_DISALLOW_BAD_PKT_LEN_SMASK @@ -1895,14 +1870,18 @@ static inline u64 hfi1_pkt_base_sdma_integrity(struct hfi1_devdata *dd) | SEND_DMA_CHECK_ENABLE_CHECK_VL_MAPPING_SMASK | SEND_DMA_CHECK_ENABLE_CHECK_OPCODE_SMASK | SEND_DMA_CHECK_ENABLE_CHECK_SLID_SMASK - | SEND_DMA_CHECK_ENABLE_CHECK_JOB_KEY_SMASK | SEND_DMA_CHECK_ENABLE_CHECK_VL_SMASK | SEND_DMA_CHECK_ENABLE_CHECK_ENABLE_SMASK; - if (is_ax(dd)) - /* turn off send-side job key checks - A0 */ - return base_sdma_integrity & - ~SEND_DMA_CHECK_ENABLE_CHECK_JOB_KEY_SMASK; + if (!HFI1_CAP_IS_KSET(STATIC_RATE_CTRL)) + base_sdma_integrity |= + SEND_DMA_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK; + + /* turn on send-side job key checks if !A0 */ + if (!is_ax(dd)) + base_sdma_integrity |= + SEND_DMA_CHECK_ENABLE_CHECK_JOB_KEY_SMASK; + return base_sdma_integrity; } diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c index 60db61536fed..e3b5bc93bc70 100644 --- a/drivers/infiniband/hw/hfi1/init.c +++ b/drivers/infiniband/hw/hfi1/init.c @@ -144,6 +144,8 @@ int hfi1_create_ctxts(struct hfi1_devdata *dd) struct hfi1_ctxtdata *rcd; ppd = dd->pport + (i % dd->num_pports); + + /* dd->rcd[i] gets assigned inside the callee */ rcd = hfi1_create_ctxtdata(ppd, i, dd->node); if (!rcd) { dd_dev_err(dd, @@ -169,8 +171,6 @@ int hfi1_create_ctxts(struct hfi1_devdata *dd) if (!rcd->sc) { dd_dev_err(dd, "Unable to allocate kernel send context, failing\n"); - dd->rcd[rcd->ctxt] = NULL; - hfi1_free_ctxtdata(dd, rcd); goto nomem; } @@ -178,9 +178,6 @@ int hfi1_create_ctxts(struct hfi1_devdata *dd) if (ret < 0) { dd_dev_err(dd, "Failed to setup kernel receive context, failing\n"); - sc_free(rcd->sc); - dd->rcd[rcd->ctxt] = NULL; - hfi1_free_ctxtdata(dd, rcd); ret = -EFAULT; goto bail; } @@ -196,6 +193,10 @@ int hfi1_create_ctxts(struct hfi1_devdata *dd) nomem: ret = -ENOMEM; bail: + if (dd->rcd) { + for (i = 0; i < dd->num_rcv_contexts; ++i) + hfi1_free_ctxtdata(dd, dd->rcd[i]); + } kfree(dd->rcd); dd->rcd = NULL; return ret; @@ -216,7 +217,7 @@ struct hfi1_ctxtdata *hfi1_create_ctxtdata(struct hfi1_pportdata *ppd, u32 ctxt, dd->num_rcv_contexts - dd->first_user_ctxt) kctxt_ngroups = (dd->rcv_entries.nctxt_extra - (dd->num_rcv_contexts - dd->first_user_ctxt)); - rcd = kzalloc(sizeof(*rcd), GFP_KERNEL); + rcd = kzalloc_node(sizeof(*rcd), GFP_KERNEL, numa); if (rcd) { u32 rcvtids, max_entries; @@ -261,13 +262,6 @@ struct hfi1_ctxtdata *hfi1_create_ctxtdata(struct hfi1_pportdata *ppd, u32 ctxt, } rcd->eager_base = base * dd->rcv_entries.group_size; - /* Validate and initialize Rcv Hdr Q variables */ - if (rcvhdrcnt % HDRQ_INCREMENT) { - dd_dev_err(dd, - "ctxt%u: header queue count %d must be divisible by %lu\n", - rcd->ctxt, rcvhdrcnt, HDRQ_INCREMENT); - goto bail; - } rcd->rcvhdrq_cnt = rcvhdrcnt; rcd->rcvhdrqentsize = hfi1_hdrq_entsize; /* @@ -506,7 +500,6 @@ void hfi1_init_pportdata(struct pci_dev *pdev, struct hfi1_pportdata *ppd, INIT_WORK(&ppd->qsfp_info.qsfp_work, qsfp_event); mutex_init(&ppd->hls_lock); - spin_lock_init(&ppd->sdma_alllock); spin_lock_init(&ppd->qsfp_info.qsfp_lock); ppd->qsfp_info.ppd = ppd; @@ -1399,28 +1392,43 @@ static void postinit_cleanup(struct hfi1_devdata *dd) hfi1_free_devdata(dd); } +static int init_validate_rcvhdrcnt(struct device *dev, uint thecnt) +{ + if (thecnt <= HFI1_MIN_HDRQ_EGRBUF_CNT) { + hfi1_early_err(dev, "Receive header queue count too small\n"); + return -EINVAL; + } + + if (thecnt > HFI1_MAX_HDRQ_EGRBUF_CNT) { + hfi1_early_err(dev, + "Receive header queue count cannot be greater than %u\n", + HFI1_MAX_HDRQ_EGRBUF_CNT); + return -EINVAL; + } + + if (thecnt % HDRQ_INCREMENT) { + hfi1_early_err(dev, "Receive header queue count %d must be divisible by %lu\n", + thecnt, HDRQ_INCREMENT); + return -EINVAL; + } + + return 0; +} + static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { int ret = 0, j, pidx, initfail; - struct hfi1_devdata *dd = ERR_PTR(-EINVAL); + struct hfi1_devdata *dd; struct hfi1_pportdata *ppd; /* First, lock the non-writable module parameters */ HFI1_CAP_LOCK(); /* Validate some global module parameters */ - if (rcvhdrcnt <= HFI1_MIN_HDRQ_EGRBUF_CNT) { - hfi1_early_err(&pdev->dev, "Header queue count too small\n"); - ret = -EINVAL; - goto bail; - } - if (rcvhdrcnt > HFI1_MAX_HDRQ_EGRBUF_CNT) { - hfi1_early_err(&pdev->dev, - "Receive header queue count cannot be greater than %u\n", - HFI1_MAX_HDRQ_EGRBUF_CNT); - ret = -EINVAL; + ret = init_validate_rcvhdrcnt(&pdev->dev, rcvhdrcnt); + if (ret) goto bail; - } + /* use the encoding function as a sanitization check */ if (!encode_rcv_header_entry_size(hfi1_hdrq_entsize)) { hfi1_early_err(&pdev->dev, "Invalid HdrQ Entry size %u\n", @@ -1461,26 +1469,25 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto bail; - /* - * Do device-specific initialization, function table setup, dd - * allocation, etc. - */ - switch (ent->device) { - case PCI_DEVICE_ID_INTEL0: - case PCI_DEVICE_ID_INTEL1: - dd = hfi1_init_dd(pdev, ent); - break; - default: + if (!(ent->device == PCI_DEVICE_ID_INTEL0 || + ent->device == PCI_DEVICE_ID_INTEL1)) { hfi1_early_err(&pdev->dev, "Failing on unknown Intel deviceid 0x%x\n", ent->device); ret = -ENODEV; + goto clean_bail; } - if (IS_ERR(dd)) + /* + * Do device-specific initialization, function table setup, dd + * allocation, etc. + */ + dd = hfi1_init_dd(pdev, ent); + + if (IS_ERR(dd)) { ret = PTR_ERR(dd); - if (ret) goto clean_bail; /* error already printed */ + } ret = create_workqueues(dd); if (ret) @@ -1538,12 +1545,31 @@ bail: return ret; } +static void wait_for_clients(struct hfi1_devdata *dd) +{ + /* + * Remove the device init value and complete the device if there is + * no clients or wait for active clients to finish. + */ + if (atomic_dec_and_test(&dd->user_refcount)) + complete(&dd->user_comp); + + wait_for_completion(&dd->user_comp); +} + static void remove_one(struct pci_dev *pdev) { struct hfi1_devdata *dd = pci_get_drvdata(pdev); /* close debugfs files before ib unregister */ hfi1_dbg_ibdev_exit(&dd->verbs_dev); + + /* remove the /dev hfi1 interface */ + hfi1_device_remove(dd); + + /* wait for existing user space clients to finish */ + wait_for_clients(dd); + /* unregister from IB core */ hfi1_unregister_ib_device(dd); @@ -1558,8 +1584,6 @@ static void remove_one(struct pci_dev *pdev) /* wait until all of our (qsfp) queue_work() calls complete */ flush_workqueue(ib_wq); - hfi1_device_remove(dd); - postinit_cleanup(dd); } diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c index 89c68da1c273..4ac8f330c5cb 100644 --- a/drivers/infiniband/hw/hfi1/pcie.c +++ b/drivers/infiniband/hw/hfi1/pcie.c @@ -157,8 +157,7 @@ void hfi1_pcie_cleanup(struct pci_dev *pdev) * fields required to re-initialize after a chip reset, or for * various other purposes */ -int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev, - const struct pci_device_id *ent) +int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev) { unsigned long len; resource_size_t addr; diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c index 50a3a36d9363..d89b8745d4c1 100644 --- a/drivers/infiniband/hw/hfi1/pio.c +++ b/drivers/infiniband/hw/hfi1/pio.c @@ -668,19 +668,12 @@ void sc_set_cr_threshold(struct send_context *sc, u32 new_threshold) void set_pio_integrity(struct send_context *sc) { struct hfi1_devdata *dd = sc->dd; - u64 reg = 0; u32 hw_context = sc->hw_context; int type = sc->type; - /* - * No integrity checks if HFI1_CAP_NO_INTEGRITY is set, or if - * we're snooping. - */ - if (likely(!HFI1_CAP_IS_KSET(NO_INTEGRITY)) && - dd->hfi1_snoop.mode_flag != HFI1_PORT_SNOOP_MODE) - reg = hfi1_pkt_default_send_ctxt_mask(dd, type); - - write_kctxt_csr(dd, hw_context, SC(CHECK_ENABLE), reg); + write_kctxt_csr(dd, hw_context, + SC(CHECK_ENABLE), + hfi1_pkt_default_send_ctxt_mask(dd, type)); } static u32 get_buffers_allocated(struct send_context *sc) diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index 8bc5013f39a1..83198a8a8797 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -89,7 +89,7 @@ void hfi1_add_rnr_timer(struct rvt_qp *qp, u32 to) lockdep_assert_held(&qp->s_lock); qp->s_flags |= RVT_S_WAIT_RNR; - qp->s_timer.expires = jiffies + usecs_to_jiffies(to); + priv->s_rnr_timer.expires = jiffies + usecs_to_jiffies(to); add_timer(&priv->s_rnr_timer); } diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c index fd39bcaa062d..9cbe52d21077 100644 --- a/drivers/infiniband/hw/hfi1/sdma.c +++ b/drivers/infiniband/hw/hfi1/sdma.c @@ -2009,11 +2009,6 @@ static void sdma_hw_start_up(struct sdma_engine *sde) write_sde_csr(sde, SD(ENG_ERR_CLEAR), reg); } -#define CLEAR_STATIC_RATE_CONTROL_SMASK(r) \ -(r &= ~SEND_DMA_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK) - -#define SET_STATIC_RATE_CONTROL_SMASK(r) \ -(r |= SEND_DMA_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK) /* * set_sdma_integrity * @@ -2022,19 +2017,9 @@ static void sdma_hw_start_up(struct sdma_engine *sde) static void set_sdma_integrity(struct sdma_engine *sde) { struct hfi1_devdata *dd = sde->dd; - u64 reg; - - if (unlikely(HFI1_CAP_IS_KSET(NO_INTEGRITY))) - return; - - reg = hfi1_pkt_base_sdma_integrity(dd); - - if (HFI1_CAP_IS_KSET(STATIC_RATE_CTRL)) - CLEAR_STATIC_RATE_CONTROL_SMASK(reg); - else - SET_STATIC_RATE_CONTROL_SMASK(reg); - write_sde_csr(sde, SD(CHECK_ENABLE), reg); + write_sde_csr(sde, SD(CHECK_ENABLE), + hfi1_pkt_base_sdma_integrity(dd)); } static void init_sdma_regs( diff --git a/drivers/infiniband/hw/hfi1/sysfs.c b/drivers/infiniband/hw/hfi1/sysfs.c index edba22461a9c..919a5474e651 100644 --- a/drivers/infiniband/hw/hfi1/sysfs.c +++ b/drivers/infiniband/hw/hfi1/sysfs.c @@ -49,7 +49,6 @@ #include "hfi.h" #include "mad.h" #include "trace.h" -#include "affinity.h" /* * Start of per-port congestion control structures and support code @@ -623,27 +622,6 @@ static ssize_t show_tempsense(struct device *device, return ret; } -static ssize_t show_sdma_affinity(struct device *device, - struct device_attribute *attr, char *buf) -{ - struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); - struct hfi1_devdata *dd = dd_from_dev(dev); - - return hfi1_get_sdma_affinity(dd, buf); -} - -static ssize_t store_sdma_affinity(struct device *device, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); - struct hfi1_devdata *dd = dd_from_dev(dev); - - return hfi1_set_sdma_affinity(dd, buf, count); -} - /* * end of per-unit (or driver, in some cases, but replicated * per unit) functions @@ -658,8 +636,6 @@ static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL); static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL); static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL); static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset); -static DEVICE_ATTR(sdma_affinity, S_IWUSR | S_IRUGO, show_sdma_affinity, - store_sdma_affinity); static struct device_attribute *hfi1_attributes[] = { &dev_attr_hw_rev, @@ -670,7 +646,6 @@ static struct device_attribute *hfi1_attributes[] = { &dev_attr_boardversion, &dev_attr_tempsense, &dev_attr_chip_reset, - &dev_attr_sdma_affinity, }; int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num, diff --git a/drivers/infiniband/hw/hfi1/trace_rx.h b/drivers/infiniband/hw/hfi1/trace_rx.h index 11e02b228922..f77e59fb43fe 100644 --- a/drivers/infiniband/hw/hfi1/trace_rx.h +++ b/drivers/infiniband/hw/hfi1/trace_rx.h @@ -253,66 +253,6 @@ TRACE_EVENT(hfi1_mmu_invalidate, ) ); -#define SNOOP_PRN \ - "slid %.4x dlid %.4x qpn 0x%.6x opcode 0x%.2x,%s " \ - "svc lvl %d pkey 0x%.4x [header = %d bytes] [data = %d bytes]" - -TRACE_EVENT(snoop_capture, - TP_PROTO(struct hfi1_devdata *dd, - int hdr_len, - struct ib_header *hdr, - int data_len, - void *data), - TP_ARGS(dd, hdr_len, hdr, data_len, data), - TP_STRUCT__entry( - DD_DEV_ENTRY(dd) - __field(u16, slid) - __field(u16, dlid) - __field(u32, qpn) - __field(u8, opcode) - __field(u8, sl) - __field(u16, pkey) - __field(u32, hdr_len) - __field(u32, data_len) - __field(u8, lnh) - __dynamic_array(u8, raw_hdr, hdr_len) - __dynamic_array(u8, raw_pkt, data_len) - ), - TP_fast_assign( - struct ib_other_headers *ohdr; - - __entry->lnh = (u8)(be16_to_cpu(hdr->lrh[0]) & 3); - if (__entry->lnh == HFI1_LRH_BTH) - ohdr = &hdr->u.oth; - else - ohdr = &hdr->u.l.oth; - DD_DEV_ASSIGN(dd); - __entry->slid = be16_to_cpu(hdr->lrh[3]); - __entry->dlid = be16_to_cpu(hdr->lrh[1]); - __entry->qpn = be32_to_cpu(ohdr->bth[1]) & RVT_QPN_MASK; - __entry->opcode = (be32_to_cpu(ohdr->bth[0]) >> 24) & 0xff; - __entry->sl = (u8)(be16_to_cpu(hdr->lrh[0]) >> 4) & 0xf; - __entry->pkey = be32_to_cpu(ohdr->bth[0]) & 0xffff; - __entry->hdr_len = hdr_len; - __entry->data_len = data_len; - memcpy(__get_dynamic_array(raw_hdr), hdr, hdr_len); - memcpy(__get_dynamic_array(raw_pkt), data, data_len); - ), - TP_printk( - "[%s] " SNOOP_PRN, - __get_str(dev), - __entry->slid, - __entry->dlid, - __entry->qpn, - __entry->opcode, - show_ib_opcode(__entry->opcode), - __entry->sl, - __entry->pkey, - __entry->hdr_len, - __entry->data_len - ) -); - #endif /* __HFI1_TRACE_RX_H */ #undef TRACE_INCLUDE_PATH diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c index a761f804111e..77697d690f3e 100644 --- a/drivers/infiniband/hw/hfi1/user_sdma.c +++ b/drivers/infiniband/hw/hfi1/user_sdma.c @@ -1144,7 +1144,7 @@ static int pin_vector_pages(struct user_sdma_request *req, rb_node = hfi1_mmu_rb_extract(pq->handler, (unsigned long)iovec->iov.iov_base, iovec->iov.iov_len); - if (rb_node && !IS_ERR(rb_node)) + if (rb_node) node = container_of(rb_node, struct sdma_mmu_node, rb); else rb_node = NULL; diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c index 5fc623362731..b9bf0759f10a 100644 --- a/drivers/infiniband/hw/mlx4/ah.c +++ b/drivers/infiniband/hw/mlx4/ah.c @@ -102,7 +102,10 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr if (vlan_tag < 0x1000) vlan_tag |= (ah_attr->sl & 7) << 13; ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24)); - ah->av.eth.gid_index = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index); + ret = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index); + if (ret < 0) + return ERR_PTR(ret); + ah->av.eth.gid_index = ret; ah->av.eth.vlan = cpu_to_be16(vlan_tag); ah->av.eth.hop_limit = ah_attr->grh.hop_limit; if (ah_attr->static_rate) { diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 1ea686b9e0f9..6a0fec357dae 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -253,11 +253,14 @@ struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, if (context) if (ib_copy_to_udata(udata, &cq->mcq.cqn, sizeof (__u32))) { err = -EFAULT; - goto err_dbmap; + goto err_cq_free; } return &cq->ibcq; +err_cq_free: + mlx4_cq_free(dev->dev, &cq->mcq); + err_dbmap: if (context) mlx4_ib_db_unmap_user(to_mucontext(context), &cq->db); diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 79d017baf6f4..fcd04b881ec1 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -932,8 +932,7 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, if (err) goto err_create; } else { - /* for now choose 64 bytes till we have a proper interface */ - cqe_size = 64; + cqe_size = cache_line_size() == 128 ? 128 : 64; err = create_cq_kernel(dev, cq, entries, cqe_size, &cqb, &index, &inlen); if (err) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 63036c731626..32b09f059c84 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2311,14 +2311,14 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context, { struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context; struct ib_event ibev; - + bool fatal = false; u8 port = 0; switch (event) { case MLX5_DEV_EVENT_SYS_ERROR: - ibdev->ib_active = false; ibev.event = IB_EVENT_DEVICE_FATAL; mlx5_ib_handle_internal_error(ibdev); + fatal = true; break; case MLX5_DEV_EVENT_PORT_UP: @@ -2370,6 +2370,9 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context, if (ibdev->ib_active) ib_dispatch_event(&ibev); + + if (fatal) + ibdev->ib_active = false; } static void get_ext_port_caps(struct mlx5_ib_dev *dev) @@ -3115,7 +3118,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) } err = init_node_data(dev); if (err) - goto err_dealloc; + goto err_free_port; mutex_init(&dev->flow_db.lock); mutex_init(&dev->cap_mask_mutex); @@ -3125,7 +3128,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) if (ll == IB_LINK_LAYER_ETHERNET) { err = mlx5_enable_roce(dev); if (err) - goto err_dealloc; + goto err_free_port; } err = create_dev_resources(&dev->devr); diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index dcdcd195fe53..7d689903c87c 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -626,6 +626,8 @@ struct mlx5_ib_dev { struct mlx5_ib_resources devr; struct mlx5_mr_cache cache; struct timer_list delay_timer; + /* Prevents soft lock on massive reg MRs */ + struct mutex slow_path_mutex; int fill_delay; #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING struct ib_odp_caps odp_caps; diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index d4ad672b905b..4e9012463c37 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -610,6 +610,7 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev) int err; int i; + mutex_init(&dev->slow_path_mutex); cache->wq = alloc_ordered_workqueue("mkey_cache", WQ_MEM_RECLAIM); if (!cache->wq) { mlx5_ib_warn(dev, "failed to create work queue\n"); @@ -1182,9 +1183,12 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, goto error; } - if (!mr) + if (!mr) { + mutex_lock(&dev->slow_path_mutex); mr = reg_create(NULL, pd, virt_addr, length, umem, ncont, page_shift, access_flags); + mutex_unlock(&dev->slow_path_mutex); + } if (IS_ERR(mr)) { err = PTR_ERR(mr); diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 7ce97daf26c6..d1e921816bfe 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -2051,8 +2051,8 @@ struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, - to_mcq(init_attr->recv_cq)->mcq.cqn, - to_mcq(init_attr->send_cq)->mcq.cqn); + init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, + init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); qp->trans_qp.xrcdn = xrcdn; @@ -4814,6 +4814,14 @@ struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, udata->inlen)) return ERR_PTR(-EOPNOTSUPP); + if (init_attr->log_ind_tbl_size > + MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { + mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", + init_attr->log_ind_tbl_size, + MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); + return ERR_PTR(-EINVAL); + } + min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); if (udata->outlen && udata->outlen < min_resp_len) return ERR_PTR(-EINVAL); |
