* $Id: mthca_main.c 1396 2004-12-28 04:10:27Z roland $
*/
-#include <linux/config.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");
+
+struct mutex mthca_device_mutex;
+
static const char mthca_version[] __devinitdata =
DRV_NAME ": Mellanox InfiniBand HCA driver v"
DRV_VERSION " (" DRV_RELDATE ")\n";
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 (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%lx, aborting.\n",
- dev_lim->uar_size, pci_resource_len(mdev->pdev, 2));
+ "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.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
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.
} mthca_hca_table[] = {
[TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 4, 0),
.flags = 0 },
- [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 400),
+ [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 600),
.flags = MTHCA_FLAG_PCIE },
- [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 0),
+ [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 400),
.flags = MTHCA_FLAG_MEMFREE |
MTHCA_FLAG_PCIE },
- [SINAI] = { .latest_fw = MTHCA_FW_VER(1, 0, 800),
+ [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;
struct mthca_dev *mdev;
- if (!mthca_version_printed) {
- printk(KERN_INFO "%s", mthca_version);
- ++mthca_version_printed;
- }
-
printk(KERN_INFO PFX "Initializing %s\n",
pci_name(pdev));
- 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);
- return -ENODEV;
- }
-
err = pci_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "Cannot enable PCI device, "
mdev->pdev = pdev;
- mdev->mthca_flags = mthca_hca_table[id->driver_data].flags;
+ mdev->mthca_flags = mthca_hca_table[hca_type].flags;
if (ddr_hidden)
mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
if (err)
goto err_cmd;
- if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
+ 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[id->driver_data].latest_fw >> 32),
- (int) (mthca_hca_table[id->driver_data].latest_fw >> 16) & 0xffff,
- (int) (mthca_hca_table[id->driver_data].latest_fw & 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");
}
goto err_unregister;
pci_set_drvdata(pdev, mdev);
+ mdev->hca_type = hca_type;
return 0;
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;
}
}
+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 },
{
int ret;
+ mutex_init(&mthca_device_mutex);
+ 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.openpandora.org / pandora-kernel.git / blobdiff