[Midnightbsd-cvs] src: efi/libefi: add errno.c handles.c

[laffer1 at midnightbsd.org]

Log Message:
-----------
add errno.c handles.c

Added Files:
-----------
    src/sys/boot/efi/libefi:
        errno.c (r1.1)
        handles.c (r1.1)

-------------- next part --------------
--- /dev/null
+++ sys/boot/efi/libefi/errno.c
@@ -0,0 +1,94 @@
+/*-
+ * Copyright (c) 2006 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/sys/boot/efi/libefi/errno.c,v 1.1 2006/11/05 22:03:03 marcel Exp $");
+
+#include <efi.h>
+#include <efilib.h>
+
+int
+efi_status_to_errno(EFI_STATUS status)
+{
+	int errno;
+
+	switch (status) {
+	case EFI_ACCESS_DENIED:
+		errno = EPERM;
+		break;
+
+	case EFI_BUFFER_TOO_SMALL:
+		errno = EOVERFLOW;
+		break;
+
+	case EFI_DEVICE_ERROR:
+	case EFI_VOLUME_CORRUPTED:
+		errno = EIO;
+		break;
+
+	case EFI_INVALID_PARAMETER:
+		errno = EINVAL;
+		break;
+
+	case EFI_MEDIA_CHANGED:
+		errno = ESTALE;
+		break;
+
+	case EFI_NO_MEDIA:
+		errno = ENXIO;
+		break;
+
+	case EFI_NOT_FOUND:
+		errno = ENOENT;
+		break;
+
+	case EFI_OUT_OF_RESOURCES:
+		errno = ENOMEM;
+		break;
+
+	case EFI_UNSUPPORTED:
+		errno = ENODEV;
+		break;
+
+	case EFI_VOLUME_FULL:
+		errno = ENOSPC;
+		break;
+
+	case EFI_WRITE_PROTECTED:
+		errno = EACCES;
+		break;
+
+	case 0:
+		errno = 0;
+		break;
+
+	default:
+		errno = EDOOFUS;
+		break;
+	}
+
+	return (errno);
+}
--- /dev/null
+++ sys/boot/efi/libefi/handles.c
@@ -0,0 +1,90 @@
+/*-
+ * Copyright (c) 2006 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/sys/boot/efi/libefi/handles.c,v 1.1 2006/11/05 22:03:03 marcel Exp $");
+
+#include <efi.h>
+#include <efilib.h>
+
+struct entry {
+	EFI_HANDLE handle;
+	struct devsw *dev;
+	int unit;
+};
+
+struct entry *entry;
+int nentries;
+
+int
+efi_register_handles(struct devsw *sw, EFI_HANDLE *handles, int count)
+{
+	size_t sz;
+	int idx, unit;
+
+	idx = nentries;
+	nentries += count;
+	sz = nentries * sizeof(struct entry);
+	entry = (entry == NULL) ? malloc(sz) : realloc(entry, sz);
+	for (unit = 0; idx < nentries; idx++, unit++) {
+		entry[idx].handle = handles[unit];
+		entry[idx].dev = sw;
+		entry[idx].unit = unit;
+	}
+	return (0);
+}
+
+EFI_HANDLE
+efi_find_handle(struct devsw *dev, int unit)
+{
+	int idx;
+
+	for (idx = 0; idx < nentries; idx++) {
+		if (entry[idx].dev != dev)
+			continue;
+		if (entry[idx].unit != unit)
+			continue;
+		return (entry[idx].handle);
+	}
+	return (NULL);
+}
+
+int
+efi_handle_lookup(EFI_HANDLE h, struct devsw **dev, int *unit)
+{
+	int idx;
+
+	for (idx = 0; idx < nentries; idx++) {
+		if (entry[idx].handle != h)
+			continue;
+		if (dev != NULL)
+			*dev = entry[idx].dev;
+		if (unit != NULL)
+			*unit = entry[idx].unit;
+		return (0);
+	}
+	return (ENOENT);
+}