/*
* some size calculation constants
*/
-#define DEV_TABLE_ENTRY_SIZE 256
+#define DEV_TABLE_ENTRY_SIZE 32
#define ALIAS_TABLE_ENTRY_SIZE 2
#define RLOOKUP_TABLE_ENTRY_SIZE (sizeof(void *))
-/* helper macros */
-#define LOW_U32(x) ((x) & ((1ULL << 32)-1))
-#define HIGH_U32(x) (LOW_U32((x) >> 32))
-
/* Length of the MMIO region for the AMD IOMMU */
#define MMIO_REGION_LENGTH 0x4000
#define MMIO_EVT_TAIL_OFFSET 0x2018
#define MMIO_STATUS_OFFSET 0x2020
+/* MMIO status bits */
+#define MMIO_STATUS_COM_WAIT_INT_MASK 0x04
+
/* feature control bits */
#define CONTROL_IOMMU_EN 0x00ULL
#define CONTROL_HT_TUN_EN 0x01ULL
#define CMD_INV_IOMMU_PAGES 0x03
#define CMD_COMPL_WAIT_STORE_MASK 0x01
+#define CMD_COMPL_WAIT_INT_MASK 0x02
#define CMD_INV_IOMMU_PAGES_SIZE_MASK 0x01
#define CMD_INV_IOMMU_PAGES_PDE_MASK 0x02
#define DEV_ENTRY_TRANSLATION 0x01
#define DEV_ENTRY_IR 0x3d
#define DEV_ENTRY_IW 0x3e
+#define DEV_ENTRY_NO_PAGE_FAULT 0x62
#define DEV_ENTRY_EX 0x67
#define DEV_ENTRY_SYSMGT1 0x68
#define DEV_ENTRY_SYSMGT2 0x69
printk("\n");
}
+/* takes bus and device/function and returns the device id
+ * FIXME: should that be in generic PCI code? */
+static inline u16 calc_devid(u8 bus, u8 devfn)
+{
+ return (((u16)bus) << 8) | devfn;
+}
+
#endif