/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
+ * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* $Id: mthca_main.c 1396 2004-12-28 04:10:27Z roland $
*/
-#include <linux/config.h>
-#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/errno.h>
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(DRV_VERSION);
+#ifdef CONFIG_INFINIBAND_MTHCA_DEBUG
+
+int mthca_debug_level = 0;
+module_param_named(debug_level, mthca_debug_level, int, 0644);
+MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
+
+#endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */
+
#ifdef CONFIG_PCI_MSI
static int msi_x = 0;
#endif /* CONFIG_PCI_MSI */
+static int tune_pci = 0;
+module_param(tune_pci, int, 0444);
+MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero");
+
+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");
+
+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 const char mthca_version[] __devinitdata =
- "ib_mthca: Mellanox InfiniBand HCA driver v"
+ 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 */
- .uarc_size = 1 << 18, /* Arbel only */
-};
-
-static int __devinit mthca_tune_pci(struct mthca_dev *mdev)
+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) {
"aborting.\n");
return -ENODEV;
}
- } else if (mdev->hca_type == TAVOR)
+ } 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);
"register, aborting.\n");
return -ENODEV;
}
- } else if (mdev->hca_type == ARBEL_NATIVE ||
- mdev->hca_type == ARBEL_COMPAT)
+ } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
mthca_info(mdev, "No PCI Express capability, "
"not setting Max Read Request Size.\n");
return 0;
}
-static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
+static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
{
int err;
u8 status;
return -ENODEV;
}
+ if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) {
+ mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than "
+ "PCI resource 2 size of 0x%llx, aborting.\n",
+ dev_lim->uar_size,
+ (unsigned long long)pci_resource_len(mdev->pdev, 2));
+ return -ENODEV;
+ }
+
mdev->limits.num_ports = dev_lim->num_ports;
mdev->limits.vl_cap = dev_lim->max_vl;
mdev->limits.mtu_cap = dev_lim->max_mtu;
mdev->limits.pkey_table_len = dev_lim->max_pkeys;
mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
mdev->limits.max_sg = dev_lim->max_sg;
+ mdev->limits.max_wqes = dev_lim->max_qp_sz;
+ mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp;
mdev->limits.reserved_qps = dev_lim->reserved_qps;
+ mdev->limits.max_srq_wqes = dev_lim->max_srq_sz;
mdev->limits.reserved_srqs = dev_lim->reserved_srqs;
mdev->limits.reserved_eecs = dev_lim->reserved_eecs;
+ mdev->limits.max_desc_sz = dev_lim->max_desc_sz;
+ mdev->limits.max_srq_sge = mthca_max_srq_sge(mdev);
+ /*
+ * Subtract 1 from the limit because we need to allocate a
+ * spare CQE so the HCA HW can tell the difference between an
+ * empty CQ and a full CQ.
+ */
+ mdev->limits.max_cqes = dev_lim->max_cq_sz - 1;
mdev->limits.reserved_cqs = dev_lim->reserved_cqs;
mdev->limits.reserved_eqs = dev_lim->reserved_eqs;
mdev->limits.reserved_mtts = dev_lim->reserved_mtts;
mdev->limits.reserved_mrws = dev_lim->reserved_mrws;
mdev->limits.reserved_uars = dev_lim->reserved_uars;
mdev->limits.reserved_pds = dev_lim->reserved_pds;
+ mdev->limits.port_width_cap = dev_lim->max_port_width;
+ mdev->limits.page_size_cap = ~(u32) (dev_lim->min_page_sz - 1);
+ mdev->limits.flags = dev_lim->flags;
+ /*
+ * For old FW that doesn't return static rate support, use a
+ * value of 0x3 (only static rate values of 0 or 1 are handled),
+ * except on Sinai, where even old FW can handle static rate
+ * values of 2 and 3.
+ */
+ if (dev_lim->stat_rate_support)
+ mdev->limits.stat_rate_support = dev_lim->stat_rate_support;
+ else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
+ mdev->limits.stat_rate_support = 0xf;
+ else
+ mdev->limits.stat_rate_support = 0x3;
+
+ /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
+ May be doable since hardware supports it for SRQ.
+
+ IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
+
+ IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
+ supported by driver. */
+ mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
+ IB_DEVICE_PORT_ACTIVE_EVENT |
+ IB_DEVICE_SYS_IMAGE_GUID |
+ IB_DEVICE_RC_RNR_NAK_GEN;
+
+ if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
+ mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
+
+ if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
+ mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
+
+ if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
+ mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
+
+ if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
+ mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
+
+ if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
+ mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
mdev->mthca_flags |= MTHCA_FLAG_SRQ;
return 0;
}
-static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
+static int mthca_init_tavor(struct mthca_dev *mdev)
{
u8 status;
int err;
struct mthca_dev_lim dev_lim;
struct mthca_profile profile;
struct mthca_init_hca_param init_hca;
- struct mthca_adapter adapter;
err = mthca_SYS_EN(mdev, &status);
if (err) {
}
err = mthca_dev_lim(mdev, &dev_lim);
+ if (err) {
+ mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
+ 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)
goto err_disable;
}
- err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
- if (err) {
- mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
- goto err_close;
- }
- if (status) {
- mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
- "aborting.\n", status);
- err = -EINVAL;
- goto err_close;
- }
-
- mdev->eq_table.inta_pin = adapter.inta_pin;
- mdev->rev_id = adapter.revision_id;
-
return 0;
-err_close:
- mthca_CLOSE_HCA(mdev, 0, &status);
-
err_disable:
mthca_SYS_DIS(mdev, &status);
return err;
}
-static int __devinit mthca_load_fw(struct mthca_dev *mdev)
+static int mthca_load_fw(struct mthca_dev *mdev)
{
u8 status;
int err;
return err;
}
-static int __devinit mthca_init_icm(struct mthca_dev *mdev,
- struct mthca_dev_lim *dev_lim,
- struct mthca_init_hca_param *init_hca,
- u64 icm_size)
+static int mthca_init_icm(struct mthca_dev *mdev,
+ struct mthca_dev_lim *dev_lim,
+ struct mthca_init_hca_param *init_hca,
+ u64 icm_size)
{
u64 aux_pages;
u8 status;
}
mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
- mdev->limits.num_mtt_segs *
- init_hca->mtt_seg_sz,
- mdev->limits.reserved_mtts *
- init_hca->mtt_seg_sz, 1);
+ MTHCA_MTT_SEG_SIZE,
+ mdev->limits.num_mtt_segs,
+ mdev->limits.reserved_mtts, 1);
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,
- mdev->limits.num_mpts *
dev_lim->mpt_entry_sz,
- mdev->limits.reserved_mrws *
- dev_lim->mpt_entry_sz, 1);
+ mdev->limits.num_mpts,
+ mdev->limits.reserved_mrws, 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,
- mdev->limits.num_qps *
dev_lim->qpc_entry_sz,
- mdev->limits.reserved_qps *
- dev_lim->qpc_entry_sz, 1);
+ mdev->limits.num_qps,
+ mdev->limits.reserved_qps, 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,
- mdev->limits.num_qps *
dev_lim->eqpc_entry_sz,
- mdev->limits.reserved_qps *
- dev_lim->eqpc_entry_sz, 1);
+ mdev->limits.num_qps,
+ mdev->limits.reserved_qps, 0);
if (!mdev->qp_table.eqp_table) {
mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
err = -ENOMEM;
goto err_unmap_qp;
}
- mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
- mdev->limits.num_cqs *
- dev_lim->cqc_entry_sz,
- mdev->limits.reserved_cqs *
- dev_lim->cqc_entry_sz, 1);
+ 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,
+ 0, 0);
+ if (!mdev->qp_table.rdb_table) {
+ mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
+ err = -ENOMEM;
+ goto err_unmap_eqp;
+ }
+
+ 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);
if (!mdev->cq_table.table) {
mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
err = -ENOMEM;
- goto err_unmap_eqp;
+ goto err_unmap_rdb;
+ }
+
+ if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
+ mdev->srq_table.table =
+ mthca_alloc_icm_table(mdev, init_hca->srqc_base,
+ dev_lim->srq_entry_sz,
+ mdev->limits.num_srqs,
+ mdev->limits.reserved_srqs, 0);
+ if (!mdev->srq_table.table) {
+ mthca_err(mdev, "Failed to map SRQ context memory, "
+ "aborting.\n");
+ err = -ENOMEM;
+ goto err_unmap_cq;
+ }
+ }
+
+ /*
+ * It's not strictly required, but for simplicity just map the
+ * whole multicast group table now. The table isn't very big
+ * and it's a lot easier than trying to track ref counts.
+ */
+ mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
+ MTHCA_MGM_ENTRY_SIZE,
+ mdev->limits.num_mgms +
+ mdev->limits.num_amgms,
+ mdev->limits.num_mgms +
+ mdev->limits.num_amgms,
+ 0);
+ if (!mdev->mcg_table.table) {
+ mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
+ err = -ENOMEM;
+ goto err_unmap_srq;
}
return 0;
+err_unmap_srq:
+ if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
+ mthca_free_icm_table(mdev, mdev->srq_table.table);
+
+err_unmap_cq:
+ mthca_free_icm_table(mdev, mdev->cq_table.table);
+
+err_unmap_rdb:
+ mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
+
err_unmap_eqp:
mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
return err;
}
-static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
+static void mthca_free_icms(struct mthca_dev *mdev)
+{
+ u8 status;
+
+ mthca_free_icm_table(mdev, mdev->mcg_table.table);
+ if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
+ mthca_free_icm_table(mdev, mdev->srq_table.table);
+ mthca_free_icm_table(mdev, mdev->cq_table.table);
+ mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
+ mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
+ mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
+ mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
+ mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
+ mthca_unmap_eq_icm(mdev);
+
+ mthca_UNMAP_ICM_AUX(mdev, &status);
+ mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
+}
+
+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;
- struct mthca_adapter adapter;
u64 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) {
goto err_free_icm;
}
- err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
- if (err) {
- mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
- goto err_free_icm;
- }
- if (status) {
- mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
- "aborting.\n", status);
- err = -EINVAL;
- goto err_free_icm;
- }
-
- mdev->eq_table.inta_pin = adapter.inta_pin;
- mdev->rev_id = adapter.revision_id;
-
return 0;
err_free_icm:
- mthca_free_icm_table(mdev, mdev->cq_table.table);
- mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
- mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
- mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
- mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
- mthca_unmap_eq_icm(mdev);
-
- mthca_UNMAP_ICM_AUX(mdev, &status);
- mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
+ mthca_free_icms(mdev);
err_stop_fw:
mthca_UNMAP_FA(mdev, &status);
return err;
}
-static int __devinit mthca_init_hca(struct mthca_dev *mdev)
+static void mthca_close_hca(struct mthca_dev *mdev)
+{
+ u8 status;
+
+ mthca_CLOSE_HCA(mdev, 0, &status);
+
+ if (mthca_is_memfree(mdev)) {
+ mthca_free_icms(mdev);
+
+ mthca_UNMAP_FA(mdev, &status);
+ mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
+
+ if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
+ mthca_DISABLE_LAM(mdev, &status);
+ } else
+ mthca_SYS_DIS(mdev, &status);
+}
+
+static int mthca_init_hca(struct mthca_dev *mdev)
{
- if (mdev->hca_type == ARBEL_NATIVE)
- return mthca_init_arbel(mdev);
+ u8 status;
+ int err;
+ struct mthca_adapter adapter;
+
+ if (mthca_is_memfree(mdev))
+ err = mthca_init_arbel(mdev);
else
- return mthca_init_tavor(mdev);
+ err = mthca_init_tavor(mdev);
+
+ if (err)
+ return err;
+
+ err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
+ if (err) {
+ mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
+ goto err_close;
+ }
+ if (status) {
+ mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
+ "aborting.\n", status);
+ err = -EINVAL;
+ goto err_close;
+ }
+
+ mdev->eq_table.inta_pin = adapter.inta_pin;
+ mdev->rev_id = adapter.revision_id;
+ memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
+
+ return 0;
+
+err_close:
+ mthca_close_hca(mdev);
+ return err;
}
-static int __devinit mthca_setup_hca(struct mthca_dev *dev)
+static int mthca_setup_hca(struct mthca_dev *dev)
{
int err;
u8 status;
MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
+ err = mthca_init_uar_table(dev);
+ if (err) {
+ mthca_err(dev, "Failed to initialize "
+ "user access region table, aborting.\n");
+ return err;
+ }
+
+ err = mthca_uar_alloc(dev, &dev->driver_uar);
+ if (err) {
+ mthca_err(dev, "Failed to allocate driver access region, "
+ "aborting.\n");
+ goto err_uar_table_free;
+ }
+
+ dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
+ if (!dev->kar) {
+ mthca_err(dev, "Couldn't map kernel access region, "
+ "aborting.\n");
+ err = -ENOMEM;
+ goto err_uar_free;
+ }
+
err = mthca_init_pd_table(dev);
if (err) {
mthca_err(dev, "Failed to initialize "
"protection domain table, aborting.\n");
- return err;
+ goto err_kar_unmap;
}
err = mthca_init_mr_table(dev);
goto err_pd_table_free;
}
- err = mthca_pd_alloc(dev, &dev->driver_pd);
+ err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
if (err) {
mthca_err(dev, "Failed to create driver PD, "
"aborting.\n");
goto err_mr_table_free;
}
- if (dev->hca_type == ARBEL_NATIVE) {
- mthca_warn(dev, "Sorry, native MT25208 mode support is not done, "
- "aborting.\n");
- err = -ENODEV;
- goto err_pd_free;
- }
-
err = mthca_init_eq_table(dev);
if (err) {
mthca_err(dev, "Failed to initialize "
err = mthca_NOP(dev, &status);
if (err || status) {
- mthca_err(dev, "NOP command failed to generate interrupt, aborting.\n");
+ 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
mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
goto err_cmd_poll;
- } else
- mthca_dbg(dev, "NOP command IRQ test passed\n");
+ }
+
+ mthca_dbg(dev, "NOP command IRQ test passed\n");
err = mthca_init_cq_table(dev);
if (err) {
goto err_cmd_poll;
}
+ err = mthca_init_srq_table(dev);
+ if (err) {
+ mthca_err(dev, "Failed to initialize "
+ "shared receive queue table, aborting.\n");
+ goto err_cq_table_free;
+ }
+
err = mthca_init_qp_table(dev);
if (err) {
mthca_err(dev, "Failed to initialize "
"queue pair table, aborting.\n");
- goto err_cq_table_free;
+ goto err_srq_table_free;
}
err = mthca_init_av_table(dev);
err_qp_table_free:
mthca_cleanup_qp_table(dev);
+err_srq_table_free:
+ mthca_cleanup_srq_table(dev);
+
err_cq_table_free:
mthca_cleanup_cq_table(dev);
err_pd_table_free:
mthca_cleanup_pd_table(dev);
+
+err_kar_unmap:
+ iounmap(dev->kar);
+
+err_uar_free:
+ mthca_uar_free(dev, &dev->driver_uar);
+
+err_uar_table_free:
+ mthca_cleanup_uar_table(dev);
return err;
}
-static int __devinit mthca_request_regions(struct pci_dev *pdev,
- int ddr_hidden)
+static int mthca_request_regions(struct pci_dev *pdev, int ddr_hidden)
{
int err;
/*
- * We request our first BAR in two chunks, since the MSI-X
- * vector table is right in the middle.
+ * We can't just use pci_request_regions() because the MSI-X
+ * table is right in the middle of the first BAR. If we did
+ * pci_request_region and grab all of the first BAR, then
+ * setting up MSI-X would fail, since the PCI core wants to do
+ * request_mem_region on the MSI-X vector table.
*
- * This is why we can't just use pci_request_regions() -- if
- * we did then setting up MSI-X would fail, since the PCI core
- * wants to do request_mem_region on the MSI-X vector table.
+ * So just request what we need right now, and request any
+ * other regions we need when setting up EQs.
*/
- if (!request_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE,
- DRV_NAME)) {
- err = -EBUSY;
- goto err_hcr_failed;
- }
-
- if (!request_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_ECR_BASE,
- MTHCA_MAP_ECR_SIZE,
- DRV_NAME)) {
- err = -EBUSY;
- goto err_ecr_failed;
- }
-
- if (!request_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_CLR_INT_BASE,
- MTHCA_CLR_INT_SIZE,
- DRV_NAME)) {
- err = -EBUSY;
- goto err_int_failed;
- }
-
+ if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
+ MTHCA_HCR_SIZE, DRV_NAME))
+ return -EBUSY;
err = pci_request_region(pdev, 2, DRV_NAME);
if (err)
return 0;
err_bar4_failed:
-
pci_release_region(pdev, 2);
-err_bar2_failed:
-
- release_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_CLR_INT_BASE,
- MTHCA_CLR_INT_SIZE);
-err_int_failed:
-
- release_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_ECR_BASE,
- MTHCA_MAP_ECR_SIZE);
-err_ecr_failed:
- release_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_HCR_BASE,
+err_bar2_failed:
+ release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
MTHCA_HCR_SIZE);
-err_hcr_failed:
return err;
}
pci_release_region(pdev, 2);
- release_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_CLR_INT_BASE,
- MTHCA_CLR_INT_SIZE);
-
- release_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_ECR_BASE,
- MTHCA_MAP_ECR_SIZE);
-
- release_mem_region(pci_resource_start(pdev, 0) +
- MTHCA_HCR_BASE,
+ release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
MTHCA_HCR_SIZE);
}
-static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev)
+static int mthca_enable_msi_x(struct mthca_dev *mdev)
{
struct msix_entry entries[3];
int err;
return 0;
}
-static void mthca_close_hca(struct mthca_dev *mdev)
-{
- u8 status;
-
- mthca_CLOSE_HCA(mdev, 0, &status);
-
- if (mdev->hca_type == ARBEL_NATIVE) {
- mthca_free_icm_table(mdev, mdev->cq_table.table);
- mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
- mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
- mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
- mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
- mthca_unmap_eq_icm(mdev);
-
- mthca_UNMAP_ICM_AUX(mdev, &status);
- mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
-
- mthca_UNMAP_FA(mdev, &status);
- mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
+/* Types of supported HCA */
+enum {
+ TAVOR, /* MT23108 */
+ ARBEL_COMPAT, /* MT25208 in Tavor compat mode */
+ ARBEL_NATIVE, /* MT25208 with extended features */
+ SINAI /* MT25204 */
+};
- if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
- mthca_DISABLE_LAM(mdev, &status);
- } else
- mthca_SYS_DIS(mdev, &status);
-}
+#define MTHCA_FW_VER(major, minor, subminor) \
+ (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
+
+static struct {
+ u64 latest_fw;
+ u32 flags;
+} mthca_hca_table[] = {
+ [TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 4, 0),
+ .flags = 0 },
+ [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 600),
+ .flags = MTHCA_FLAG_PCIE },
+ [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 400),
+ .flags = MTHCA_FLAG_MEMFREE |
+ MTHCA_FLAG_PCIE },
+ [SINAI] = { .latest_fw = MTHCA_FW_VER(1, 1, 0),
+ .flags = MTHCA_FLAG_MEMFREE |
+ MTHCA_FLAG_PCIE |
+ MTHCA_FLAG_SINAI_OPT }
+};
-static int __devinit mthca_init_one(struct pci_dev *pdev,
- const struct pci_device_id *id)
+static int __mthca_init_one(struct pci_dev *pdev, int hca_type)
{
- static int mthca_version_printed = 0;
int ddr_hidden = 0;
int err;
- unsigned long mthca_base;
struct mthca_dev *mdev;
- if (!mthca_version_printed) {
- printk(KERN_INFO "%s", mthca_version);
- ++mthca_version_printed;
- }
-
- printk(KERN_INFO PFX "Initializing %s (%s)\n",
- pci_pretty_name(pdev), pci_name(pdev));
+ printk(KERN_INFO PFX "Initializing %s\n",
+ pci_name(pdev));
err = pci_enable_device(pdev);
if (err) {
*/
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
pci_resource_len(pdev, 0) != 1 << 20) {
- dev_err(&pdev->dev, "Missing DCS, aborting.");
+ dev_err(&pdev->dev, "Missing DCS, aborting.\n");
err = -ENODEV;
goto err_disable_pdev;
}
- if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM) ||
- pci_resource_len(pdev, 2) != 1 << 23) {
- dev_err(&pdev->dev, "Missing UAR, aborting.");
+ if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
+ dev_err(&pdev->dev, "Missing UAR, aborting.\n");
err = -ENODEV;
goto err_disable_pdev;
}
goto err_free_res;
}
- mdev->pdev = pdev;
- mdev->hca_type = id->driver_data;
+ mdev->pdev = pdev;
+ mdev->mthca_flags = mthca_hca_table[hca_type].flags;
if (ddr_hidden)
mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
!pci_enable_msi(pdev))
mdev->mthca_flags |= MTHCA_FLAG_MSI;
- sema_init(&mdev->cmd.hcr_sem, 1);
- sema_init(&mdev->cmd.poll_sem, 1);
- mdev->cmd.use_events = 0;
-
- mthca_base = pci_resource_start(pdev, 0);
- mdev->hcr = ioremap(mthca_base + MTHCA_HCR_BASE, MTHCA_HCR_SIZE);
- if (!mdev->hcr) {
- mthca_err(mdev, "Couldn't map command register, "
- "aborting.\n");
- err = -ENOMEM;
+ if (mthca_cmd_init(mdev)) {
+ mthca_err(mdev, "Failed to init command interface, aborting.\n");
goto err_free_dev;
}
- mdev->clr_base = ioremap(mthca_base + MTHCA_CLR_INT_BASE,
- MTHCA_CLR_INT_SIZE);
- if (!mdev->clr_base) {
- mthca_err(mdev, "Couldn't map interrupt clear register, "
- "aborting.\n");
- err = -ENOMEM;
- goto err_iounmap;
- }
-
- mdev->ecr_base = ioremap(mthca_base + MTHCA_ECR_BASE,
- MTHCA_ECR_SIZE + MTHCA_ECR_CLR_SIZE);
- if (!mdev->ecr_base) {
- mthca_err(mdev, "Couldn't map ecr register, "
- "aborting.\n");
- err = -ENOMEM;
- goto err_iounmap_clr;
- }
-
- mthca_base = pci_resource_start(pdev, 2);
- mdev->kar = ioremap(mthca_base + PAGE_SIZE * MTHCA_KAR_PAGE, PAGE_SIZE);
- if (!mdev->kar) {
- mthca_err(mdev, "Couldn't map kernel access region, "
- "aborting.\n");
- err = -ENOMEM;
- goto err_iounmap_ecr;
- }
-
err = mthca_tune_pci(mdev);
if (err)
- goto err_iounmap_kar;
+ goto err_cmd;
err = mthca_init_hca(mdev);
if (err)
- goto err_iounmap_kar;
+ 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",
+ (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),
+ (int) (mthca_hca_table[hca_type].latest_fw >> 16) & 0xffff,
+ (int) (mthca_hca_table[hca_type].latest_fw & 0xffff));
+ mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
+ }
err = mthca_setup_hca(mdev);
if (err)
goto err_unregister;
pci_set_drvdata(pdev, mdev);
+ mdev->hca_type = hca_type;
return 0;
mthca_cleanup_mcg_table(mdev);
mthca_cleanup_av_table(mdev);
mthca_cleanup_qp_table(mdev);
+ mthca_cleanup_srq_table(mdev);
mthca_cleanup_cq_table(mdev);
mthca_cmd_use_polling(mdev);
mthca_cleanup_eq_table(mdev);
mthca_cleanup_mr_table(mdev);
mthca_cleanup_pd_table(mdev);
+ mthca_cleanup_uar_table(mdev);
err_close:
mthca_close_hca(mdev);
-err_iounmap_kar:
- iounmap(mdev->kar);
-
-err_iounmap_ecr:
- iounmap(mdev->ecr_base);
-
-err_iounmap_clr:
- iounmap(mdev->clr_base);
-
-err_iounmap:
- iounmap(mdev->hcr);
+err_cmd:
+ mthca_cmd_cleanup(mdev);
err_free_dev:
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
return err;
}
-static void __devexit mthca_remove_one(struct pci_dev *pdev)
+static void __mthca_remove_one(struct pci_dev *pdev)
{
struct mthca_dev *mdev = pci_get_drvdata(pdev);
u8 status;
mthca_cleanup_mcg_table(mdev);
mthca_cleanup_av_table(mdev);
mthca_cleanup_qp_table(mdev);
+ mthca_cleanup_srq_table(mdev);
mthca_cleanup_cq_table(mdev);
mthca_cmd_use_polling(mdev);
mthca_cleanup_eq_table(mdev);
mthca_cleanup_mr_table(mdev);
mthca_cleanup_pd_table(mdev);
+ iounmap(mdev->kar);
+ mthca_uar_free(mdev, &mdev->driver_uar);
+ mthca_cleanup_uar_table(mdev);
mthca_close_hca(mdev);
-
- iounmap(mdev->hcr);
- iounmap(mdev->ecr_base);
- iounmap(mdev->clr_base);
+ mthca_cmd_cleanup(mdev);
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
pci_disable_msix(pdev);
}
}
+int __mthca_restart_one(struct pci_dev *pdev)
+{
+ struct mthca_dev *mdev;
+
+ mdev = pci_get_drvdata(pdev);
+ if (!mdev)
+ return -ENODEV;
+ __mthca_remove_one(pdev);
+ return __mthca_init_one(pdev, mdev->hca_type);
+}
+
+static int __devinit mthca_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ static int mthca_version_printed = 0;
+ int ret;
+
+ mutex_lock(&mthca_device_mutex);
+
+ if (!mthca_version_printed) {
+ printk(KERN_INFO "%s", mthca_version);
+ ++mthca_version_printed;
+ }
+
+ if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
+ printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
+ pci_name(pdev), id->driver_data);
+ mutex_unlock(&mthca_device_mutex);
+ return -ENODEV;
+ }
+
+ ret = __mthca_init_one(pdev, id->driver_data);
+
+ mutex_unlock(&mthca_device_mutex);
+
+ return ret;
+}
+
+static void __devexit mthca_remove_one(struct pci_dev *pdev)
+{
+ mutex_lock(&mthca_device_mutex);
+ __mthca_remove_one(pdev);
+ mutex_unlock(&mthca_device_mutex);
+}
+
static struct pci_device_id mthca_pci_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
.driver_data = TAVOR },
.driver_data = ARBEL_NATIVE },
{ PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
.driver_data = ARBEL_NATIVE },
+ { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
+ .driver_data = SINAI },
+ { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
+ .driver_data = SINAI },
+ { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
+ .driver_data = SINAI },
+ { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
+ .driver_data = SINAI },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, mthca_pci_table);
static struct pci_driver mthca_driver = {
- .name = "ib_mthca",
+ .name = DRV_NAME,
.id_table = mthca_pci_table,
.probe = mthca_init_one,
.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;
+ mthca_validate_profile();
+
+ ret = mthca_catas_init();
+ if (ret)
+ return ret;
+
ret = pci_register_driver(&mthca_driver);
- return ret < 0 ? ret : 0;
+ if (ret < 0) {
+ mthca_catas_cleanup();
+ return ret;
+ }
+
+ return 0;
}
static void __exit mthca_cleanup(void)
{
pci_unregister_driver(&mthca_driver);
+ mthca_catas_cleanup();
}
module_init(mthca_init);
git://git.onelab.eu / linux-2.6.git / blobdiff