1 files changed, 103 insertions, 0 deletions
diff --git a/include/grub/pciutils.h b/include/grub/pciutils.h
new file mode 100644
index 0000000..36d47e5
--- /dev/null
+++ b/include/grub/pciutils.h
@@ -0,0 +1,103 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2008,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef	GRUB_PCIUTILS_H
+#define	GRUB_PCIUTILS_H	1
+
+#include <pciaccess.h>
+
+typedef struct pci_device *grub_pci_device_t;
+
+static inline int
+grub_pci_get_bus (grub_pci_device_t dev)
+{
+  return dev->bus;
+}
+
+static inline int
+grub_pci_get_device (grub_pci_device_t dev)
+{
+  return dev->dev;
+}
+
+static inline int
+grub_pci_get_function (grub_pci_device_t dev)
+{
+  return dev->func;
+}
+
+struct grub_pci_address
+{
+  grub_pci_device_t dev;
+  int pos;
+};
+
+typedef struct grub_pci_address grub_pci_address_t;
+
+static inline grub_uint32_t
+grub_pci_read (grub_pci_address_t addr)
+{
+  grub_uint32_t ret;
+  pci_device_cfg_read_u32 (addr.dev, &ret, addr.pos);
+  return ret;
+}
+
+static inline grub_uint16_t
+grub_pci_read_word (grub_pci_address_t addr)
+{
+  grub_uint16_t ret;
+  pci_device_cfg_read_u16 (addr.dev, &ret, addr.pos);
+  return ret;
+}
+
+static inline grub_uint8_t
+grub_pci_read_byte (grub_pci_address_t addr)
+{
+  grub_uint8_t ret;
+  pci_device_cfg_read_u8 (addr.dev, &ret, addr.pos);
+  return ret;
+}
+
+static inline void
+grub_pci_write (grub_pci_address_t addr, grub_uint32_t data)
+{
+  pci_device_cfg_write_u32 (addr.dev, data, addr.pos);
+}
+
+static inline void
+grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data)
+{
+  pci_device_cfg_write_u16 (addr.dev, data, addr.pos);
+}
+
+static inline void
+grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data)
+{
+  pci_device_cfg_write_u8 (addr.dev, data, addr.pos);
+}
+
+void *
+grub_pci_device_map_range (grub_pci_device_t dev, grub_addr_t base,
+			   grub_size_t size);
+
+void
+grub_pci_device_unmap_range (grub_pci_device_t dev, void *mem,
+			     grub_size_t size);
+
+
+#endif /* GRUB_PCIUTILS_H */