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[PATCH] IB/mthca: Encapsulate command interface init

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Encapsulate mthca command interface initialization/cleanup.

Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Roland Dreier 2005-06-27 14:36:45 -07:00 committed by Linus Torvalds
parent 761f9eb8c3
commit 80fd823873
3 changed files with 30 additions and 16 deletions
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21
drivers/infiniband/hw/mthca/mthca_cmd.c
View File

@ -431,6 +431,27 @@ static int mthca_cmd_imm(struct mthca_dev *dev,
timeout, status);
}
int mthca_cmd_init(struct mthca_dev *dev)
{
sema_init(&dev->cmd.hcr_sem, 1);
sema_init(&dev->cmd.poll_sem, 1);
dev->cmd.use_events = 0;
dev->hcr = ioremap(pci_resource_start(dev->pdev, 0) + MTHCA_HCR_BASE,
MTHCA_HCR_SIZE);
if (!dev->hcr) {
mthca_err(dev, "Couldn't map command register.");
return -ENOMEM;
}
return 0;
}
void mthca_cmd_cleanup(struct mthca_dev *dev)
{
iounmap(dev->hcr);
}
/*
* Switch to using events to issue FW commands (should be called after
* event queue to command events has been initialized).

2
drivers/infiniband/hw/mthca/mthca_cmd.h
View File

@ -235,6 +235,8 @@ struct mthca_set_ib_param {
u32 cap_mask;
};
int mthca_cmd_init(struct mthca_dev *dev);
void mthca_cmd_cleanup(struct mthca_dev *dev);
int mthca_cmd_use_events(struct mthca_dev *dev);
void mthca_cmd_use_polling(struct mthca_dev *dev);
void mthca_cmd_event(struct mthca_dev *dev, u16 token,

23
drivers/infiniband/hw/mthca/mthca_main.c
View File

@ -1005,25 +1005,18 @@ static int __devinit mthca_init_one(struct pci_dev *pdev,
!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;
mdev->hcr = ioremap(pci_resource_start(pdev, 0) + 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;
}
err = mthca_tune_pci(mdev);
if (err)
goto err_iounmap;
goto err_cmd;
err = mthca_init_hca(mdev);
if (err)
goto err_iounmap;
goto err_cmd;
if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
mthca_warn(mdev, "HCA FW version %x.%x.%x is old (%x.%x.%x is current).\n",
@ -1071,8 +1064,8 @@ err_cleanup:
err_close:
mthca_close_hca(mdev);
err_iounmap:
iounmap(mdev->hcr);
err_cmd:
mthca_cmd_cleanup(mdev);
err_free_dev:
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
@ -1119,10 +1112,8 @@ static void __devexit mthca_remove_one(struct pci_dev *pdev)
iounmap(mdev->kar);
mthca_uar_free(mdev, &mdev->driver_uar);
mthca_cleanup_uar_table(mdev);
mthca_close_hca(mdev);
iounmap(mdev->hcr);
mthca_cmd_cleanup(mdev);
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
pci_disable_msix(pdev);