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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-09 19:55:17 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-09 19:55:17 +0100 |
| commit | b675b3667f6729dcd1036a2a129b35445947f905 (patch) | |
| tree | 0d58791e9063d3ca2c352da6f3e7df2bdb876f9d /drivers/pci/iov.c | |
| parent | Input: max8925_onkey - avoid accessing input device too early (diff) | |
| parent | Linux 3.3-rc6 (diff) | |
| download | linux-b675b3667f6729dcd1036a2a129b35445947f905.tar.xz linux-b675b3667f6729dcd1036a2a129b35445947f905.zip | |
Merge commit 'v3.3-rc6' into next
Diffstat (limited to 'drivers/pci/iov.c')
| -rw-r--r-- | drivers/pci/iov.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index b82c155d7b37..0dab5ecf61bb 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -283,6 +283,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn) struct resource *res; struct pci_dev *pdev; struct pci_sriov *iov = dev->sriov; + int bars = 0; if (!nr_virtfn) return 0; @@ -307,6 +308,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn) nres = 0; for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) { + bars |= (1 << (i + PCI_IOV_RESOURCES)); res = dev->resource + PCI_IOV_RESOURCES + i; if (res->parent) nres++; @@ -324,6 +326,11 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn) return -ENOMEM; } + if (pci_enable_resources(dev, bars)) { + dev_err(&dev->dev, "SR-IOV: IOV BARS not allocated\n"); + return -ENOMEM; + } + if (iov->link != dev->devfn) { pdev = pci_get_slot(dev->bus, iov->link); if (!pdev) @@ -341,10 +348,10 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn) } iov->ctrl |= PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE; - pci_block_user_cfg_access(dev); + pci_cfg_access_lock(dev); pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); msleep(100); - pci_unblock_user_cfg_access(dev); + pci_cfg_access_unlock(dev); iov->initial = initial; if (nr_virtfn < initial) @@ -372,10 +379,10 @@ failed: virtfn_remove(dev, j, 0); iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE); - pci_block_user_cfg_access(dev); + pci_cfg_access_lock(dev); pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); ssleep(1); - pci_unblock_user_cfg_access(dev); + pci_cfg_access_unlock(dev); if (iov->link != dev->devfn) sysfs_remove_link(&dev->dev.kobj, "dep_link"); @@ -398,10 +405,10 @@ static void sriov_disable(struct pci_dev *dev) virtfn_remove(dev, i, 0); iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE); - pci_block_user_cfg_access(dev); + pci_cfg_access_lock(dev); pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); ssleep(1); - pci_unblock_user_cfg_access(dev); + pci_cfg_access_unlock(dev); if (iov->link != dev->devfn) sysfs_remove_link(&dev->dev.kobj, "dep_link"); @@ -445,7 +452,6 @@ static int sriov_init(struct pci_dev *dev, int pos) found: pci_write_config_word(dev, pos + PCI_SRIOV_CTRL, ctrl); - pci_write_config_word(dev, pos + PCI_SRIOV_NUM_VF, total); pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset); pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride); if (!offset || (total > 1 && !stride)) |