12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970 |
- #ifndef _IPXE_PCIEA_H
- #define _IPXE_PCIEA_H
-
- /** @file
- *
- * PCI Enhanced Allocation
- *
- */
-
- FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
- #include <ipxe/pci.h>
-
- /** Number of entries */
- #define PCIEA_ENTRIES 2
- #define PCIEA_ENTRIES_MASK 0x3f
-
- /** First entry */
- #define PCIEA_FIRST 4
-
- /** Entry descriptor */
- #define PCIEA_DESC 0
-
- /** Entry size */
- #define PCIEA_DESC_SIZE(desc) ( ( (desc) >> 0 ) & 0x7 )
-
- /** BAR equivalent indicator */
- #define PCIEA_DESC_BEI(desc) ( ( (desc) >> 4 ) & 0xf )
-
- /** BAR equivalent indicators */
- enum pciea_bei {
- PCIEA_BEI_BAR_0 = 0, /**< Standard BAR 0 */
- PCIEA_BEI_BAR_1 = 1, /**< Standard BAR 1 */
- PCIEA_BEI_BAR_2 = 2, /**< Standard BAR 2 */
- PCIEA_BEI_BAR_3 = 3, /**< Standard BAR 3 */
- PCIEA_BEI_BAR_4 = 4, /**< Standard BAR 4 */
- PCIEA_BEI_BAR_5 = 5, /**< Standard BAR 5 */
- PCIEA_BEI_ROM = 8, /**< Expansion ROM BAR */
- PCIEA_BEI_VF_BAR_0 = 9, /**< Virtual function BAR 0 */
- PCIEA_BEI_VF_BAR_1 = 10, /**< Virtual function BAR 1 */
- PCIEA_BEI_VF_BAR_2 = 11, /**< Virtual function BAR 2 */
- PCIEA_BEI_VF_BAR_3 = 12, /**< Virtual function BAR 3 */
- PCIEA_BEI_VF_BAR_4 = 13, /**< Virtual function BAR 4 */
- PCIEA_BEI_VF_BAR_5 = 14, /**< Virtual function BAR 5 */
- };
-
- /** Entry is enabled */
- #define PCIEA_DESC_ENABLED 0x80000000UL
-
- /** Base address low dword */
- #define PCIEA_LOW_BASE 4
-
- /** Limit low dword */
- #define PCIEA_LOW_LIMIT 8
-
- /** BAR is 64-bit */
- #define PCIEA_LOW_ATTR_64BIT 0x00000002UL
-
- /** Low dword attribute bit mask */
- #define PCIEA_LOW_ATTR_MASK 0x00000003UL
-
- /** Offset to high dwords */
- #define PCIEA_LOW_HIGH 8
-
- extern unsigned long pciea_bar_start ( struct pci_device *pci,
- unsigned int bei );
- extern unsigned long pciea_bar_size ( struct pci_device *pci,
- unsigned int bei );
-
- #endif /* _IPXE_PCIEA_H */
|