Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / linux / linux_pci.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/linux/linux_pci.h b/qemu/roms/ipxe/src/include/ipxe/linux/linux_pci.h
new file mode 100644 (file)
index 0000000..4391667
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/linux/linux_pci.h
@@ -0,0 +1,130 @@
+#ifndef _IPXE_LINUX_PCI_H
+#define _IPXE_LINUX_PCI_H
+
+/** @file
+ *
+ * iPXE PCI API for Linux
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#ifdef PCIAPI_LINUX
+#define PCIAPI_PREFIX_linux
+#else
+#define PCIAPI_PREFIX_linux __linux_
+#endif
+
+struct pci_device;
+
+extern int linux_pci_read ( struct pci_device *pci, unsigned long where,
+                           unsigned long *value, size_t len );
+extern int linux_pci_write ( struct pci_device *pci, unsigned long where,
+                            unsigned long value, size_t len );
+
+/**
+ * Read byte from PCI configuration space
+ *
+ * @v pci      PCI device
+ * @v where    Location within PCI configuration space
+ * @v value    Value read
+ * @ret rc     Return status code
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( linux, pci_read_config_byte ) ( struct pci_device *pci,
+                                               unsigned int where,
+                                               uint8_t *value ) {
+       int rc;
+       unsigned long tmp;
+
+       rc = linux_pci_read ( pci, where, &tmp, sizeof ( *value ) );
+       *value = tmp;
+       return rc;
+}
+
+/**
+ * Read word from PCI configuration space
+ *
+ * @v pci      PCI device
+ * @v where    Location within PCI configuration space
+ * @v value    Value read
+ * @ret rc     Return status code
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( linux, pci_read_config_word ) ( struct pci_device *pci,
+                                               unsigned int where,
+                                               uint16_t *value ) {
+       int rc;
+       unsigned long tmp;
+
+       rc = linux_pci_read ( pci, where, &tmp, sizeof ( *value ) );
+       *value = tmp;
+       return rc;
+}
+
+/**
+ * Read dword from PCI configuration space
+ *
+ * @v pci      PCI device
+ * @v where    Location within PCI configuration space
+ * @v value    Value read
+ * @ret rc     Return status code
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( linux, pci_read_config_dword ) ( struct pci_device *pci,
+                                                unsigned int where,
+                                                uint32_t *value ) {
+       int rc;
+       unsigned long tmp;
+
+       rc = linux_pci_read ( pci, where, &tmp, sizeof ( *value ) );
+       *value = tmp;
+       return rc;
+}
+
+/**
+ * Write byte to PCI configuration space
+ *
+ * @v pci      PCI device
+ * @v where    Location within PCI configuration space
+ * @v value    Value to be written
+ * @ret rc     Return status code
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( linux, pci_write_config_byte ) ( struct pci_device *pci,
+                                                unsigned int where,
+                                                uint8_t value ) {
+       return linux_pci_write ( pci, where, value, sizeof ( value ) );
+}
+
+/**
+ * Write word to PCI configuration space
+ *
+ * @v pci      PCI device
+ * @v where    Location within PCI configuration space
+ * @v value    Value to be written
+ * @ret rc     Return status code
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( linux, pci_write_config_word ) ( struct pci_device *pci,
+                                                unsigned int where,
+                                                uint16_t value ) {
+       return linux_pci_write ( pci, where, value, sizeof ( value ) );
+}
+
+/**
+ * Write dword to PCI configuration space
+ *
+ * @v pci      PCI device
+ * @v where    Location within PCI configuration space
+ * @v value    Value to be written
+ * @ret rc     Return status code
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( linux, pci_write_config_dword ) ( struct pci_device *pci,
+                                                 unsigned int where,
+                                                 uint32_t value ) {
+       return linux_pci_write ( pci, where, value, sizeof ( value ) );
+}
+
+#endif /* _IPXE_LINUX_PCI_H */