#ifdef CONFIG_PCI_MSI
-static int msi_x = 0;
+static int msi_x = 1;
module_param(msi_x, int, 0444);
MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
-static int msi = 0;
-module_param(msi, int, 0444);
-MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero");
-
#else /* CONFIG_PCI_MSI */
#define msi_x (0)
-#define msi (0)
#endif /* CONFIG_PCI_MSI */
module_param(tune_pci, int, 0444);
MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero");
-struct mutex mthca_device_mutex;
+DEFINE_MUTEX(mthca_device_mutex);
+
+#define MTHCA_DEFAULT_NUM_QP (1 << 16)
+#define MTHCA_DEFAULT_RDB_PER_QP (1 << 2)
+#define MTHCA_DEFAULT_NUM_CQ (1 << 16)
+#define MTHCA_DEFAULT_NUM_MCG (1 << 13)
+#define MTHCA_DEFAULT_NUM_MPT (1 << 17)
+#define MTHCA_DEFAULT_NUM_MTT (1 << 20)
+#define MTHCA_DEFAULT_NUM_UDAV (1 << 15)
+#define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18)
+#define MTHCA_DEFAULT_NUM_UARC_SIZE (1 << 18)
+
+static struct mthca_profile hca_profile = {
+ .num_qp = MTHCA_DEFAULT_NUM_QP,
+ .rdb_per_qp = MTHCA_DEFAULT_RDB_PER_QP,
+ .num_cq = MTHCA_DEFAULT_NUM_CQ,
+ .num_mcg = MTHCA_DEFAULT_NUM_MCG,
+ .num_mpt = MTHCA_DEFAULT_NUM_MPT,
+ .num_mtt = MTHCA_DEFAULT_NUM_MTT,
+ .num_udav = MTHCA_DEFAULT_NUM_UDAV, /* Tavor only */
+ .fmr_reserved_mtts = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */
+ .uarc_size = MTHCA_DEFAULT_NUM_UARC_SIZE, /* Arbel only */
+};
+
+module_param_named(num_qp, hca_profile.num_qp, int, 0444);
+MODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA");
+
+module_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444);
+MODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP");
+
+module_param_named(num_cq, hca_profile.num_cq, int, 0444);
+MODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA");
+
+module_param_named(num_mcg, hca_profile.num_mcg, int, 0444);
+MODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA");
+
+module_param_named(num_mpt, hca_profile.num_mpt, int, 0444);
+MODULE_PARM_DESC(num_mpt,
+ "maximum number of memory protection table entries per HCA");
+
+module_param_named(num_mtt, hca_profile.num_mtt, int, 0444);
+MODULE_PARM_DESC(num_mtt,
+ "maximum number of memory translation table segments per HCA");
-static const char mthca_version[] __devinitdata =
+module_param_named(num_udav, hca_profile.num_udav, int, 0444);
+MODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA");
+
+module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444);
+MODULE_PARM_DESC(fmr_reserved_mtts,
+ "number of memory translation table segments reserved for FMR");
+
+static char mthca_version[] __devinitdata =
DRV_NAME ": Mellanox InfiniBand HCA driver v"
DRV_VERSION " (" DRV_RELDATE ")\n";
-static struct mthca_profile default_profile = {
- .num_qp = 1 << 16,
- .rdb_per_qp = 4,
- .num_cq = 1 << 16,
- .num_mcg = 1 << 13,
- .num_mpt = 1 << 17,
- .num_mtt = 1 << 20,
- .num_udav = 1 << 15, /* Tavor only */
- .fmr_reserved_mtts = 1 << 18, /* Tavor only */
- .uarc_size = 1 << 18, /* Arbel only */
-};
-
static int mthca_tune_pci(struct mthca_dev *mdev)
{
- int cap;
- u16 val;
-
if (!tune_pci)
return 0;
/* First try to max out Read Byte Count */
- cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX);
- if (cap) {
- if (pci_read_config_word(mdev->pdev, cap + PCI_X_CMD, &val)) {
- mthca_err(mdev, "Couldn't read PCI-X command register, "
- "aborting.\n");
- return -ENODEV;
- }
- val = (val & ~PCI_X_CMD_MAX_READ) | (3 << 2);
- if (pci_write_config_word(mdev->pdev, cap + PCI_X_CMD, val)) {
- mthca_err(mdev, "Couldn't write PCI-X command register, "
- "aborting.\n");
+ if (pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX)) {
+ if (pcix_set_mmrbc(mdev->pdev, pcix_get_max_mmrbc(mdev->pdev))) {
+ mthca_err(mdev, "Couldn't set PCI-X max read count, "
+ "aborting.\n");
return -ENODEV;
}
} else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
- cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP);
- if (cap) {
- if (pci_read_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, &val)) {
- mthca_err(mdev, "Couldn't read PCI Express device control "
- "register, aborting.\n");
- return -ENODEV;
- }
- val = (val & ~PCI_EXP_DEVCTL_READRQ) | (5 << 12);
- if (pci_write_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, val)) {
- mthca_err(mdev, "Couldn't write PCI Express device control "
- "register, aborting.\n");
+ if (pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP)) {
+ if (pcie_set_readrq(mdev->pdev, 4096)) {
+ mthca_err(mdev, "Couldn't write PCI Express read request, "
+ "aborting.\n");
return -ENODEV;
}
} else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
mdev->mthca_flags |= MTHCA_FLAG_SRQ;
+ if (mthca_is_memfree(mdev))
+ if (dev_lim->flags & DEV_LIM_FLAG_IPOIB_CSUM)
+ mdev->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
+
return 0;
}
static int mthca_init_tavor(struct mthca_dev *mdev)
{
+ s64 size;
u8 status;
int err;
struct mthca_dev_lim dev_lim;
goto err_disable;
}
- profile = default_profile;
+ profile = hca_profile;
profile.num_uar = dev_lim.uar_size / PAGE_SIZE;
profile.uarc_size = 0;
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
profile.num_srq = dev_lim.max_srqs;
- err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
- if (err < 0)
+ size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
+ if (size < 0) {
+ err = size;
goto err_disable;
+ }
err = mthca_INIT_HCA(mdev, &init_hca, &status);
if (err) {
mdev->fw.arbel.fw_icm =
mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
- GFP_HIGHUSER | __GFP_NOWARN);
+ GFP_HIGHUSER | __GFP_NOWARN, 0);
if (!mdev->fw.arbel.fw_icm) {
mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
return -ENOMEM;
mthca_UNMAP_FA(mdev, &status);
err_free:
- mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
+ mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
return err;
}
(unsigned long long) aux_pages << 2);
mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
- GFP_HIGHUSER | __GFP_NOWARN);
+ GFP_HIGHUSER | __GFP_NOWARN, 0);
if (!mdev->fw.arbel.aux_icm) {
mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
return -ENOMEM;
goto err_unmap_aux;
}
+ /* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */
+ mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * MTHCA_MTT_SEG_SIZE,
+ dma_get_cache_alignment()) / MTHCA_MTT_SEG_SIZE;
+
mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
MTHCA_MTT_SEG_SIZE,
mdev->limits.num_mtt_segs,
- mdev->limits.reserved_mtts, 1);
+ mdev->limits.reserved_mtts,
+ 1, 0);
if (!mdev->mr_table.mtt_table) {
mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
err = -ENOMEM;
mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
dev_lim->mpt_entry_sz,
mdev->limits.num_mpts,
- mdev->limits.reserved_mrws, 1);
+ mdev->limits.reserved_mrws,
+ 1, 1);
if (!mdev->mr_table.mpt_table) {
mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
err = -ENOMEM;
mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
dev_lim->qpc_entry_sz,
mdev->limits.num_qps,
- mdev->limits.reserved_qps, 0);
+ mdev->limits.reserved_qps,
+ 0, 0);
if (!mdev->qp_table.qp_table) {
mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
err = -ENOMEM;
mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
dev_lim->eqpc_entry_sz,
mdev->limits.num_qps,
- mdev->limits.reserved_qps, 0);
+ mdev->limits.reserved_qps,
+ 0, 0);
if (!mdev->qp_table.eqp_table) {
mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
err = -ENOMEM;
mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
MTHCA_RDB_ENTRY_SIZE,
mdev->limits.num_qps <<
- mdev->qp_table.rdb_shift,
+ mdev->qp_table.rdb_shift, 0,
0, 0);
if (!mdev->qp_table.rdb_table) {
mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
dev_lim->cqc_entry_sz,
mdev->limits.num_cqs,
- mdev->limits.reserved_cqs, 0);
+ mdev->limits.reserved_cqs,
+ 0, 0);
if (!mdev->cq_table.table) {
mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
err = -ENOMEM;
mthca_alloc_icm_table(mdev, init_hca->srqc_base,
dev_lim->srq_entry_sz,
mdev->limits.num_srqs,
- mdev->limits.reserved_srqs, 0);
+ mdev->limits.reserved_srqs,
+ 0, 0);
if (!mdev->srq_table.table) {
mthca_err(mdev, "Failed to map SRQ context memory, "
"aborting.\n");
mdev->limits.num_amgms,
mdev->limits.num_mgms +
mdev->limits.num_amgms,
- 0);
+ 0, 0);
if (!mdev->mcg_table.table) {
mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
err = -ENOMEM;
mthca_UNMAP_ICM_AUX(mdev, &status);
err_free_aux:
- mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
+ mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
return err;
}
mthca_unmap_eq_icm(mdev);
mthca_UNMAP_ICM_AUX(mdev, &status);
- mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
+ mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
}
static int mthca_init_arbel(struct mthca_dev *mdev)
struct mthca_dev_lim dev_lim;
struct mthca_profile profile;
struct mthca_init_hca_param init_hca;
- u64 icm_size;
+ s64 icm_size;
u8 status;
int err;
goto err_stop_fw;
}
- profile = default_profile;
+ profile = hca_profile;
profile.num_uar = dev_lim.uar_size / PAGE_SIZE;
profile.num_udav = 0;
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
profile.num_srq = dev_lim.max_srqs;
icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
- if ((int) icm_size < 0) {
+ if (icm_size < 0) {
err = icm_size;
goto err_stop_fw;
}
err_stop_fw:
mthca_UNMAP_FA(mdev, &status);
- mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
+ mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
err_disable:
if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
mthca_free_icms(mdev);
mthca_UNMAP_FA(mdev, &status);
- mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
+ mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
mthca_DISABLE_LAM(mdev, &status);
}
mdev->eq_table.inta_pin = adapter.inta_pin;
- mdev->rev_id = adapter.revision_id;
+ if (!mthca_is_memfree(mdev))
+ mdev->rev_id = adapter.revision_id;
memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
return 0;
err = mthca_NOP(dev, &status);
if (err || status) {
- mthca_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting.\n",
- dev->mthca_flags & MTHCA_FLAG_MSI_X ?
- dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
- dev->pdev->irq);
- if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))
- mthca_err(dev, "Try again with MSI/MSI-X disabled.\n");
- else
+ if (dev->mthca_flags & MTHCA_FLAG_MSI_X) {
+ mthca_warn(dev, "NOP command failed to generate interrupt "
+ "(IRQ %d).\n",
+ dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector);
+ mthca_warn(dev, "Trying again with MSI-X disabled.\n");
+ } else {
+ mthca_err(dev, "NOP command failed to generate interrupt "
+ "(IRQ %d), aborting.\n",
+ dev->pdev->irq);
mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
+ }
goto err_cmd_poll;
}
u64 latest_fw;
u32 flags;
} mthca_hca_table[] = {
- [TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 4, 0),
+ [TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 5, 0),
.flags = 0 },
- [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 600),
+ [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200),
.flags = MTHCA_FLAG_PCIE },
- [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 400),
+ [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 3, 0),
.flags = MTHCA_FLAG_MEMFREE |
MTHCA_FLAG_PCIE },
- [SINAI] = { .latest_fw = MTHCA_FW_VER(1, 1, 0),
+ [SINAI] = { .latest_fw = MTHCA_FW_VER(1, 2, 0),
.flags = MTHCA_FLAG_MEMFREE |
MTHCA_FLAG_PCIE |
MTHCA_FLAG_SINAI_OPT }
goto err_free_dev;
}
- if (msi_x && !mthca_enable_msi_x(mdev))
- mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
- if (msi && !(mdev->mthca_flags & MTHCA_FLAG_MSI_X) &&
- !pci_enable_msi(pdev))
- mdev->mthca_flags |= MTHCA_FLAG_MSI;
-
if (mthca_cmd_init(mdev)) {
mthca_err(mdev, "Failed to init command interface, aborting.\n");
goto err_free_dev;
goto err_cmd;
if (mdev->fw_ver < mthca_hca_table[hca_type].latest_fw) {
- mthca_warn(mdev, "HCA FW version %d.%d.%d is old (%d.%d.%d is current).\n",
+ mthca_warn(mdev, "HCA FW version %d.%d.%03d is old (%d.%d.%03d is current).\n",
(int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
(int) (mdev->fw_ver & 0xffff),
(int) (mthca_hca_table[hca_type].latest_fw >> 32),
mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
}
+ if (msi_x && !mthca_enable_msi_x(mdev))
+ mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
+
err = mthca_setup_hca(mdev);
+ if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) {
+ if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
+ pci_disable_msix(pdev);
+ mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X;
+
+ err = mthca_setup_hca(mdev);
+ }
+
if (err)
goto err_close;
mthca_cleanup_uar_table(mdev);
err_close:
+ if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
+ pci_disable_msix(pdev);
+
mthca_close_hca(mdev);
err_cmd:
mthca_cmd_cleanup(mdev);
err_free_dev:
- if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
- pci_disable_msix(pdev);
- if (mdev->mthca_flags & MTHCA_FLAG_MSI)
- pci_disable_msi(pdev);
-
ib_dealloc_device(&mdev->ib_dev);
err_free_res:
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
pci_disable_msix(pdev);
- if (mdev->mthca_flags & MTHCA_FLAG_MSI)
- pci_disable_msi(pdev);
ib_dealloc_device(&mdev->ib_dev);
mthca_release_regions(pdev, mdev->mthca_flags &
int __mthca_restart_one(struct pci_dev *pdev)
{
struct mthca_dev *mdev;
+ int hca_type;
mdev = pci_get_drvdata(pdev);
if (!mdev)
return -ENODEV;
+ hca_type = mdev->hca_type;
__mthca_remove_one(pdev);
- return __mthca_init_one(pdev, mdev->hca_type);
+ return __mthca_init_one(pdev, hca_type);
}
static int __devinit mthca_init_one(struct pci_dev *pdev,
.remove = __devexit_p(mthca_remove_one)
};
+static void __init __mthca_check_profile_val(const char *name, int *pval,
+ int pval_default)
+{
+ /* value must be positive and power of 2 */
+ int old_pval = *pval;
+
+ if (old_pval <= 0)
+ *pval = pval_default;
+ else
+ *pval = roundup_pow_of_two(old_pval);
+
+ if (old_pval != *pval) {
+ printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n",
+ old_pval, name);
+ printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval);
+ }
+}
+
+#define mthca_check_profile_val(name, default) \
+ __mthca_check_profile_val(#name, &hca_profile.name, default)
+
+static void __init mthca_validate_profile(void)
+{
+ mthca_check_profile_val(num_qp, MTHCA_DEFAULT_NUM_QP);
+ mthca_check_profile_val(rdb_per_qp, MTHCA_DEFAULT_RDB_PER_QP);
+ mthca_check_profile_val(num_cq, MTHCA_DEFAULT_NUM_CQ);
+ mthca_check_profile_val(num_mcg, MTHCA_DEFAULT_NUM_MCG);
+ mthca_check_profile_val(num_mpt, MTHCA_DEFAULT_NUM_MPT);
+ mthca_check_profile_val(num_mtt, MTHCA_DEFAULT_NUM_MTT);
+ mthca_check_profile_val(num_udav, MTHCA_DEFAULT_NUM_UDAV);
+ mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS);
+
+ if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) {
+ printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n",
+ hca_profile.fmr_reserved_mtts);
+ printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n",
+ hca_profile.num_mtt);
+ hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2;
+ printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n",
+ hca_profile.fmr_reserved_mtts);
+ }
+}
+
static int __init mthca_init(void)
{
int ret;
- mutex_init(&mthca_device_mutex);
+ mthca_validate_profile();
+
ret = mthca_catas_init();
if (ret)
return ret;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff