Merge git://git.infradead.org/~dwmw2/iommu-2.6.31

[pandora-kernel.git] / include / linux / pci_regs.h

diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 83b02f5..fcaee42 100644 (file)
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -502,6 +502,7 @@
 #define PCI_EXT_CAP_ID_DSN     3
 #define PCI_EXT_CAP_ID_PWR     4
 #define PCI_EXT_CAP_ID_ARI     14
+#define PCI_EXT_CAP_ID_ATS     15
 #define PCI_EXT_CAP_ID_SRIOV   16
 
 /* Advanced Error Reporting */
@@ -620,6 +621,15 @@
 #define  PCI_ARI_CTRL_ACS      0x0002  /* ACS Function Groups Enable */
 #define  PCI_ARI_CTRL_FG(x)    (((x) >> 4) & 7) /* Function Group */
 
+/* Address Translation Service */
+#define PCI_ATS_CAP            0x04    /* ATS Capability Register */
+#define  PCI_ATS_CAP_QDEP(x)   ((x) & 0x1f)    /* Invalidate Queue Depth */
+#define  PCI_ATS_MAX_QDEP      32      /* Max Invalidate Queue Depth */
+#define PCI_ATS_CTRL           0x06    /* ATS Control Register */
+#define  PCI_ATS_CTRL_ENABLE   0x8000  /* ATS Enable */
+#define  PCI_ATS_CTRL_STU(x)   ((x) & 0x1f)    /* Smallest Translation Unit */
+#define  PCI_ATS_MIN_STU       12      /* shift of minimum STU block */
+
 /* Single Root I/O Virtualization */
 #define PCI_SRIOV_CAP          0x04    /* SR-IOV Capabilities */
 #define  PCI_SRIOV_CAP_VFM     0x01    /* VF Migration Capable */