diff options
Diffstat (limited to 'drivers/infiniband/hw/qib')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib.h | 10 | ||||
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_iba7322.c | 107 | ||||
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_mad.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_pcie.c | 21 | ||||
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_rc.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_uc.c | 1 |
6 files changed, 105 insertions, 39 deletions
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h index b881bdc401f..6b811e3e8bd 100644 --- a/drivers/infiniband/hw/qib/qib.h +++ b/drivers/infiniband/hw/qib/qib.h @@ -427,6 +427,14 @@ struct qib_verbs_txreq { /* how often we check for packet activity for "power on hours (in seconds) */ #define ACTIVITY_TIMER 5 +#define MAX_NAME_SIZE 64 +struct qib_msix_entry { + struct msix_entry msix; + void *arg; + char name[MAX_NAME_SIZE]; + cpumask_var_t mask; +}; + /* Below is an opaque struct. Each chip (device) can maintain * private data needed for its operation, but not germane to the * rest of the driver. For convenience, we define another that @@ -1355,7 +1363,7 @@ int qib_pcie_init(struct pci_dev *, const struct pci_device_id *); int qib_pcie_ddinit(struct qib_devdata *, struct pci_dev *, const struct pci_device_id *); void qib_pcie_ddcleanup(struct qib_devdata *); -int qib_pcie_params(struct qib_devdata *, u32, u32 *, struct msix_entry *); +int qib_pcie_params(struct qib_devdata *, u32, u32 *, struct qib_msix_entry *); int qib_reinit_intr(struct qib_devdata *); void qib_enable_intx(struct pci_dev *); void qib_nomsi(struct qib_devdata *); diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 41e92089e41..060b9606446 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -541,8 +541,7 @@ struct qib_chip_specific { u32 lastbuf_for_pio; u32 stay_in_freeze; u32 recovery_ports_initted; - struct msix_entry *msix_entries; - void **msix_arg; + struct qib_msix_entry *msix_entries; unsigned long *sendchkenable; unsigned long *sendgrhchk; unsigned long *sendibchk; @@ -639,24 +638,24 @@ static struct { int lsb; int port; /* 0 if not port-specific, else port # */ } irq_table[] = { - { QIB_DRV_NAME, qib_7322intr, -1, 0 }, - { QIB_DRV_NAME " (buf avail)", qib_7322bufavail, + { "", qib_7322intr, -1, 0 }, + { " (buf avail)", qib_7322bufavail, SYM_LSB(IntStatus, SendBufAvail), 0 }, - { QIB_DRV_NAME " (sdma 0)", sdma_intr, + { " (sdma 0)", sdma_intr, SYM_LSB(IntStatus, SDmaInt_0), 1 }, - { QIB_DRV_NAME " (sdma 1)", sdma_intr, + { " (sdma 1)", sdma_intr, SYM_LSB(IntStatus, SDmaInt_1), 2 }, - { QIB_DRV_NAME " (sdmaI 0)", sdma_idle_intr, + { " (sdmaI 0)", sdma_idle_intr, SYM_LSB(IntStatus, SDmaIdleInt_0), 1 }, - { QIB_DRV_NAME " (sdmaI 1)", sdma_idle_intr, + { " (sdmaI 1)", sdma_idle_intr, SYM_LSB(IntStatus, SDmaIdleInt_1), 2 }, - { QIB_DRV_NAME " (sdmaP 0)", sdma_progress_intr, + { " (sdmaP 0)", sdma_progress_intr, SYM_LSB(IntStatus, SDmaProgressInt_0), 1 }, - { QIB_DRV_NAME " (sdmaP 1)", sdma_progress_intr, + { " (sdmaP 1)", sdma_progress_intr, SYM_LSB(IntStatus, SDmaProgressInt_1), 2 }, - { QIB_DRV_NAME " (sdmaC 0)", sdma_cleanup_intr, + { " (sdmaC 0)", sdma_cleanup_intr, SYM_LSB(IntStatus, SDmaCleanupDone_0), 1 }, - { QIB_DRV_NAME " (sdmaC 1)", sdma_cleanup_intr, + { " (sdmaC 1)", sdma_cleanup_intr, SYM_LSB(IntStatus, SDmaCleanupDone_1), 2 }, }; @@ -2567,9 +2566,13 @@ static void qib_7322_nomsix(struct qib_devdata *dd) int i; dd->cspec->num_msix_entries = 0; - for (i = 0; i < n; i++) - free_irq(dd->cspec->msix_entries[i].vector, - dd->cspec->msix_arg[i]); + for (i = 0; i < n; i++) { + irq_set_affinity_hint( + dd->cspec->msix_entries[i].msix.vector, NULL); + free_cpumask_var(dd->cspec->msix_entries[i].mask); + free_irq(dd->cspec->msix_entries[i].msix.vector, + dd->cspec->msix_entries[i].arg); + } qib_nomsix(dd); } /* make sure no MSIx interrupts are left pending */ @@ -2597,7 +2600,6 @@ static void qib_setup_7322_cleanup(struct qib_devdata *dd) kfree(dd->cspec->sendgrhchk); kfree(dd->cspec->sendibchk); kfree(dd->cspec->msix_entries); - kfree(dd->cspec->msix_arg); for (i = 0; i < dd->num_pports; i++) { unsigned long flags; u32 mask = QSFP_GPIO_MOD_PRS_N | @@ -3070,6 +3072,8 @@ static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend) int ret, i, msixnum; u64 redirect[6]; u64 mask; + const struct cpumask *local_mask; + int firstcpu, secondcpu = 0, currrcvcpu = 0; if (!dd->num_pports) return; @@ -3118,13 +3122,28 @@ try_intx: memset(redirect, 0, sizeof redirect); mask = ~0ULL; msixnum = 0; + local_mask = cpumask_of_pcibus(dd->pcidev->bus); + firstcpu = cpumask_first(local_mask); + if (firstcpu >= nr_cpu_ids || + cpumask_weight(local_mask) == num_online_cpus()) { + local_mask = topology_core_cpumask(0); + firstcpu = cpumask_first(local_mask); + } + if (firstcpu < nr_cpu_ids) { + secondcpu = cpumask_next(firstcpu, local_mask); + if (secondcpu >= nr_cpu_ids) + secondcpu = firstcpu; + currrcvcpu = secondcpu; + } for (i = 0; msixnum < dd->cspec->num_msix_entries; i++) { irq_handler_t handler; - const char *name; void *arg; u64 val; int lsb, reg, sh; + dd->cspec->msix_entries[msixnum]. + name[sizeof(dd->cspec->msix_entries[msixnum].name) - 1] + = '\0'; if (i < ARRAY_SIZE(irq_table)) { if (irq_table[i].port) { /* skip if for a non-configured port */ @@ -3135,7 +3154,11 @@ try_intx: arg = dd; lsb = irq_table[i].lsb; handler = irq_table[i].handler; - name = irq_table[i].name; + snprintf(dd->cspec->msix_entries[msixnum].name, + sizeof(dd->cspec->msix_entries[msixnum].name) + - 1, + QIB_DRV_NAME "%d%s", dd->unit, + irq_table[i].name); } else { unsigned ctxt; @@ -3148,23 +3171,28 @@ try_intx: continue; lsb = QIB_I_RCVAVAIL_LSB + ctxt; handler = qib_7322pintr; - name = QIB_DRV_NAME " (kctx)"; + snprintf(dd->cspec->msix_entries[msixnum].name, + sizeof(dd->cspec->msix_entries[msixnum].name) + - 1, + QIB_DRV_NAME "%d (kctx)", dd->unit); } - ret = request_irq(dd->cspec->msix_entries[msixnum].vector, - handler, 0, name, arg); + ret = request_irq( + dd->cspec->msix_entries[msixnum].msix.vector, + handler, 0, dd->cspec->msix_entries[msixnum].name, + arg); if (ret) { /* * Shouldn't happen since the enable said we could * have as many as we are trying to setup here. */ qib_dev_err(dd, "Couldn't setup MSIx " - "interrupt (vec=%d, irq=%d): %d\n", msixnum, - dd->cspec->msix_entries[msixnum].vector, - ret); + "interrupt (vec=%d, irq=%d): %d\n", msixnum, + dd->cspec->msix_entries[msixnum].msix.vector, + ret); qib_7322_nomsix(dd); goto try_intx; } - dd->cspec->msix_arg[msixnum] = arg; + dd->cspec->msix_entries[msixnum].arg = arg; if (lsb >= 0) { reg = lsb / IBA7322_REDIRECT_VEC_PER_REG; sh = (lsb % IBA7322_REDIRECT_VEC_PER_REG) * @@ -3174,6 +3202,25 @@ try_intx: } val = qib_read_kreg64(dd, 2 * msixnum + 1 + (QIB_7322_MsixTable_OFFS / sizeof(u64))); + if (firstcpu < nr_cpu_ids && + zalloc_cpumask_var( + &dd->cspec->msix_entries[msixnum].mask, + GFP_KERNEL)) { + if (handler == qib_7322pintr) { + cpumask_set_cpu(currrcvcpu, + dd->cspec->msix_entries[msixnum].mask); + currrcvcpu = cpumask_next(currrcvcpu, + local_mask); + if (currrcvcpu >= nr_cpu_ids) + currrcvcpu = secondcpu; + } else { + cpumask_set_cpu(firstcpu, + dd->cspec->msix_entries[msixnum].mask); + } + irq_set_affinity_hint( + dd->cspec->msix_entries[msixnum].msix.vector, + dd->cspec->msix_entries[msixnum].mask); + } msixnum++; } /* Initialize the vector mapping */ @@ -3365,7 +3412,7 @@ static int qib_do_7322_reset(struct qib_devdata *dd) if (msix_entries) { /* restore the MSIx vector address and data if saved above */ for (i = 0; i < msix_entries; i++) { - dd->cspec->msix_entries[i].entry = i; + dd->cspec->msix_entries[i].msix.entry = i; if (!msix_vecsave || !msix_vecsave[2 * i]) continue; qib_write_kreg(dd, 2 * i + @@ -6865,15 +6912,13 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev, tabsize = actual_cnt; dd->cspec->msix_entries = kmalloc(tabsize * - sizeof(struct msix_entry), GFP_KERNEL); - dd->cspec->msix_arg = kmalloc(tabsize * - sizeof(void *), GFP_KERNEL); - if (!dd->cspec->msix_entries || !dd->cspec->msix_arg) { + sizeof(struct qib_msix_entry), GFP_KERNEL); + if (!dd->cspec->msix_entries) { qib_dev_err(dd, "No memory for MSIx table\n"); tabsize = 0; } for (i = 0; i < tabsize; i++) - dd->cspec->msix_entries[i].entry = i; + dd->cspec->msix_entries[i].msix.entry = i; if (qib_pcie_params(dd, 8, &tabsize, dd->cspec->msix_entries)) qib_dev_err(dd, "Failed to setup PCIe or interrupts; " diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index 3b3745f261f..c4ff788823b 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -433,7 +433,6 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev, struct qib_pportdata *ppd; struct qib_ibport *ibp; struct ib_port_info *pip = (struct ib_port_info *)smp->data; - u16 lid; u8 mtu; int ret; u32 state; @@ -469,8 +468,7 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev, ibp->mkeyprot == 1)) pip->mkey = ibp->mkey; pip->gid_prefix = ibp->gid_prefix; - lid = ppd->lid; - pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE; + pip->lid = cpu_to_be16(ppd->lid); pip->sm_lid = cpu_to_be16(ibp->sm_lid); pip->cap_mask = cpu_to_be32(ibp->port_cap_flags); /* pip->diag_code; */ diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c index 0fde788e110..790646ef510 100644 --- a/drivers/infiniband/hw/qib/qib_pcie.c +++ b/drivers/infiniband/hw/qib/qib_pcie.c @@ -194,11 +194,24 @@ void qib_pcie_ddcleanup(struct qib_devdata *dd) } static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt, - struct msix_entry *msix_entry) + struct qib_msix_entry *qib_msix_entry) { int ret; u32 tabsize = 0; u16 msix_flags; + struct msix_entry *msix_entry; + int i; + + /* We can't pass qib_msix_entry array to qib_msix_setup + * so use a dummy msix_entry array and copy the allocated + * irq back to the qib_msix_entry array. */ + msix_entry = kmalloc(*msixcnt * sizeof(*msix_entry), GFP_KERNEL); + if (!msix_entry) { + ret = -ENOMEM; + goto do_intx; + } + for (i = 0; i < *msixcnt; i++) + msix_entry[i] = qib_msix_entry[i].msix; pci_read_config_word(dd->pcidev, pos + PCI_MSIX_FLAGS, &msix_flags); tabsize = 1 + (msix_flags & PCI_MSIX_FLAGS_QSIZE); @@ -209,11 +222,15 @@ static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt, tabsize = ret; ret = pci_enable_msix(dd->pcidev, msix_entry, tabsize); } +do_intx: if (ret) { qib_dev_err(dd, "pci_enable_msix %d vectors failed: %d, " "falling back to INTx\n", tabsize, ret); tabsize = 0; } + for (i = 0; i < tabsize; i++) + qib_msix_entry[i].msix = msix_entry[i]; + kfree(msix_entry); *msixcnt = tabsize; if (ret) @@ -251,7 +268,7 @@ static int qib_msi_setup(struct qib_devdata *dd, int pos) } int qib_pcie_params(struct qib_devdata *dd, u32 minw, u32 *nent, - struct msix_entry *entry) + struct qib_msix_entry *entry) { u16 linkstat, speed; int pos = 0, pose, ret = 1; diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c index 894afac26f3..765b4cbaa02 100644 --- a/drivers/infiniband/hw/qib/qib_rc.c +++ b/drivers/infiniband/hw/qib/qib_rc.c @@ -2048,7 +2048,6 @@ send_last: wc.pkey_index = 0; wc.dlid_path_bits = 0; wc.port_num = 0; - wc.csum_ok = 0; /* Signal completion event if the solicited bit is set. */ qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, (ohdr->bth[0] & diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c index 847e7afdfd9..7ce2ac2ed21 100644 --- a/drivers/infiniband/hw/qib/qib_uc.c +++ b/drivers/infiniband/hw/qib/qib_uc.c @@ -422,7 +422,6 @@ last_imm: wc.pkey_index = 0; wc.dlid_path_bits = 0; wc.port_num = 0; - wc.csum_ok = 0; /* Signal completion event if the solicited bit is set. */ qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, (ohdr->bth[0] & |