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authorJames <james.mckenzie@citrix.com>2012-11-16 10:41:01 +0000
committerJames <james.mckenzie@citrix.com>2012-11-16 10:41:01 +0000
commit041d1ea37802bf7178a31a53f96c26efa6b8fb7b (patch)
treec193e84ad1237f25a79d0f6a267722e44c73f56a /include/grub/pciutils.h
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Diffstat (limited to 'include/grub/pciutils.h')
-rw-r--r--include/grub/pciutils.h103
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 */