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Merge branches 'iommu/fixes', 'arm/omap' and 'x86/amd' into next

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Conflicts:
	drivers/pci/hotplug/acpiphp_glue.c
This commit is contained in:
Joerg Roedel
2012-01-09 13:04:05 +01:00
parent 805a6af8db 1a36ea815a 1456e9d2c4
commit 00fb5430f5
39 changed files with 2787 additions and 315 deletions
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90
drivers/pci/ats.c
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@@ -175,21 +175,22 @@ int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
u32 max_requests;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PRI_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
if (!pos)
return -EINVAL;
pci_read_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, &control);
pci_read_config_word(pdev, pos + PCI_PRI_STATUS_OFF, &status);
if ((control & PCI_PRI_ENABLE) || !(status & PCI_PRI_STATUS_STOPPED))
pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status);
if ((control & PCI_PRI_CTRL_ENABLE) ||
!(status & PCI_PRI_STATUS_STOPPED))
return -EBUSY;
pci_read_config_dword(pdev, pos + PCI_PRI_MAX_REQ_OFF, &max_requests);
pci_read_config_dword(pdev, pos + PCI_PRI_MAX_REQ, &max_requests);
reqs = min(max_requests, reqs);
pci_write_config_dword(pdev, pos + PCI_PRI_ALLOC_REQ_OFF, reqs);
pci_write_config_dword(pdev, pos + PCI_PRI_ALLOC_REQ, reqs);
control |= PCI_PRI_ENABLE;
pci_write_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, control);
control |= PCI_PRI_CTRL_ENABLE;
pci_write_config_word(pdev, pos + PCI_PRI_CTRL, control);
return 0;
}
@@ -206,13 +207,13 @@ void pci_disable_pri(struct pci_dev *pdev)
u16 control;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PRI_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
if (!pos)
return;
pci_read_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, &control);
control &= ~PCI_PRI_ENABLE;
pci_write_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, control);
pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
control &= ~PCI_PRI_CTRL_ENABLE;
pci_write_config_word(pdev, pos + PCI_PRI_CTRL, control);
}
EXPORT_SYMBOL_GPL(pci_disable_pri);
@@ -227,13 +228,13 @@ bool pci_pri_enabled(struct pci_dev *pdev)
u16 control;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PRI_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
if (!pos)
return false;
pci_read_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, &control);
pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
return (control & PCI_PRI_ENABLE) ? true : false;
return (control & PCI_PRI_CTRL_ENABLE) ? true : false;
}
EXPORT_SYMBOL_GPL(pci_pri_enabled);
@@ -249,17 +250,17 @@ int pci_reset_pri(struct pci_dev *pdev)
u16 control;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PRI_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
if (!pos)
return -EINVAL;
pci_read_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, &control);
if (control & PCI_PRI_ENABLE)
pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
if (control & PCI_PRI_CTRL_ENABLE)
return -EBUSY;
control |= PCI_PRI_RESET;
control |= PCI_PRI_CTRL_RESET;
pci_write_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, control);
pci_write_config_word(pdev, pos + PCI_PRI_CTRL, control);
return 0;
}
@@ -282,14 +283,14 @@ bool pci_pri_stopped(struct pci_dev *pdev)
u16 control, status;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PRI_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
if (!pos)
return true;
pci_read_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, &control);
pci_read_config_word(pdev, pos + PCI_PRI_STATUS_OFF, &status);
pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status);
if (control & PCI_PRI_ENABLE)
if (control & PCI_PRI_CTRL_ENABLE)
return false;
return (status & PCI_PRI_STATUS_STOPPED) ? true : false;
@@ -311,15 +312,15 @@ int pci_pri_status(struct pci_dev *pdev)
u16 status, control;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PRI_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
if (!pos)
return -EINVAL;
pci_read_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, &control);
pci_read_config_word(pdev, pos + PCI_PRI_STATUS_OFF, &status);
pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status);
/* Stopped bit is undefined when enable == 1, so clear it */
if (control & PCI_PRI_ENABLE)
if (control & PCI_PRI_CTRL_ENABLE)
status &= ~PCI_PRI_STATUS_STOPPED;
return status;
@@ -342,25 +343,25 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
u16 control, supported;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PASID_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PASID);
if (!pos)
return -EINVAL;
pci_read_config_word(pdev, pos + PCI_PASID_CONTROL_OFF, &control);
pci_read_config_word(pdev, pos + PCI_PASID_CAP_OFF, &supported);
pci_read_config_word(pdev, pos + PCI_PASID_CTRL, &control);
pci_read_config_word(pdev, pos + PCI_PASID_CAP, &supported);
if (!(supported & PCI_PASID_ENABLE))
if (control & PCI_PASID_CTRL_ENABLE)
return -EINVAL;
supported &= PCI_PASID_EXEC | PCI_PASID_PRIV;
supported &= PCI_PASID_CAP_EXEC | PCI_PASID_CAP_PRIV;
/* User wants to enable anything unsupported? */
if ((supported & features) != features)
return -EINVAL;
control = PCI_PASID_ENABLE | features;
control = PCI_PASID_CTRL_ENABLE | features;
pci_write_config_word(pdev, pos + PCI_PASID_CONTROL_OFF, control);
pci_write_config_word(pdev, pos + PCI_PASID_CTRL, control);
return 0;
}
@@ -376,11 +377,11 @@ void pci_disable_pasid(struct pci_dev *pdev)
u16 control = 0;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PASID_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PASID);
if (!pos)
return;
pci_write_config_word(pdev, pos + PCI_PASID_CONTROL_OFF, control);
pci_write_config_word(pdev, pos + PCI_PASID_CTRL, control);
}
EXPORT_SYMBOL_GPL(pci_disable_pasid);
@@ -391,22 +392,21 @@ EXPORT_SYMBOL_GPL(pci_disable_pasid);
* Returns a negative value when no PASI capability is present.
* Otherwise is returns a bitmask with supported features. Current
* features reported are:
* PCI_PASID_ENABLE - PASID capability can be enabled
* PCI_PASID_EXEC - Execute permission supported
* PCI_PASID_PRIV - Priviledged mode supported
* PCI_PASID_CAP_EXEC - Execute permission supported
* PCI_PASID_CAP_PRIV - Priviledged mode supported
*/
int pci_pasid_features(struct pci_dev *pdev)
{
u16 supported;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PASID_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PASID);
if (!pos)
return -EINVAL;
pci_read_config_word(pdev, pos + PCI_PASID_CAP_OFF, &supported);
pci_read_config_word(pdev, pos + PCI_PASID_CAP, &supported);
supported &= PCI_PASID_ENABLE | PCI_PASID_EXEC | PCI_PASID_PRIV;
supported &= PCI_PASID_CAP_EXEC | PCI_PASID_CAP_PRIV;
return supported;
}
@@ -426,11 +426,11 @@ int pci_max_pasids(struct pci_dev *pdev)
u16 supported;
int pos;
pos = pci_find_ext_capability(pdev, PCI_PASID_CAP);
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PASID);
if (!pos)
return -EINVAL;
pci_read_config_word(pdev, pos + PCI_PASID_CAP_OFF, &supported);
pci_read_config_word(pdev, pos + PCI_PASID_CAP, &supported);
supported = (supported & PASID_NUMBER_MASK) >> PASID_NUMBER_SHIFT;