Move block drivers into their own directory

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 0 insertions, 393 deletions

diff --git a/block-raw-win32.c b/block-raw-win32.c
deleted file mode 100644
index 15f3ec4849..0000000000
--- a/block-raw-win32.c
+++ /dev/null
@@ -1,393 +0,0 @@
-/*
- * Block driver for RAW files (win32)
- *
- * Copyright (c) 2006 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu-common.h"
-#include "qemu-timer.h"
-#include "block_int.h"
-#include "module.h"
-#include <windows.h>
-#include <winioctl.h>
-
-#define FTYPE_FILE 0
-#define FTYPE_CD     1
-#define FTYPE_HARDDISK 2
-
-typedef struct BDRVRawState {
-    HANDLE hfile;
-    int type;
-    char drive_path[16]; /* format: "d:\" */
-} BDRVRawState;
-
-int qemu_ftruncate64(int fd, int64_t length)
-{
-    LARGE_INTEGER li;
-    LONG high;
-    HANDLE h;
-    BOOL res;
-
-    if ((GetVersion() & 0x80000000UL) && (length >> 32) != 0)
-	return -1;
-
-    h = (HANDLE)_get_osfhandle(fd);
-
-    /* get current position, ftruncate do not change position */
-    li.HighPart = 0;
-    li.LowPart = SetFilePointer (h, 0, &li.HighPart, FILE_CURRENT);
-    if (li.LowPart == 0xffffffffUL && GetLastError() != NO_ERROR)
-	return -1;
-
-    high = length >> 32;
-    if (!SetFilePointer(h, (DWORD) length, &high, FILE_BEGIN))
-	return -1;
-    res = SetEndOfFile(h);
-
-    /* back to old position */
-    SetFilePointer(h, li.LowPart, &li.HighPart, FILE_BEGIN);
-    return res ? 0 : -1;
-}
-
-static int set_sparse(int fd)
-{
-    DWORD returned;
-    return (int) DeviceIoControl((HANDLE)_get_osfhandle(fd), FSCTL_SET_SPARSE,
-				 NULL, 0, NULL, 0, &returned, NULL);
-}
-
-static int raw_open(BlockDriverState *bs, const char *filename, int flags)
-{
-    BDRVRawState *s = bs->opaque;
-    int access_flags, create_flags;
-    DWORD overlapped;
-
-    s->type = FTYPE_FILE;
-
-    if ((flags & BDRV_O_ACCESS) == O_RDWR) {
-        access_flags = GENERIC_READ | GENERIC_WRITE;
-    } else {
-        access_flags = GENERIC_READ;
-    }
-    if (flags & BDRV_O_CREAT) {
-        create_flags = CREATE_ALWAYS;
-    } else {
-        create_flags = OPEN_EXISTING;
-    }
-    overlapped = FILE_ATTRIBUTE_NORMAL;
-    if ((flags & BDRV_O_NOCACHE))
-        overlapped |= FILE_FLAG_NO_BUFFERING | FILE_FLAG_WRITE_THROUGH;
-    else if (!(flags & BDRV_O_CACHE_WB))
-        overlapped |= FILE_FLAG_WRITE_THROUGH;
-    s->hfile = CreateFile(filename, access_flags,
-                          FILE_SHARE_READ, NULL,
-                          create_flags, overlapped, NULL);
-    if (s->hfile == INVALID_HANDLE_VALUE) {
-        int err = GetLastError();
-
-        if (err == ERROR_ACCESS_DENIED)
-            return -EACCES;
-        return -1;
-    }
-    return 0;
-}
-
-static int raw_read(BlockDriverState *bs, int64_t sector_num,
-                    uint8_t *buf, int nb_sectors)
-{
-    BDRVRawState *s = bs->opaque;
-    OVERLAPPED ov;
-    DWORD ret_count;
-    int ret;
-    int64_t offset = sector_num * 512;
-    int count = nb_sectors * 512;
-
-    memset(&ov, 0, sizeof(ov));
-    ov.Offset = offset;
-    ov.OffsetHigh = offset >> 32;
-    ret = ReadFile(s->hfile, buf, count, &ret_count, &ov);
-    if (!ret)
-        return ret_count;
-    if (ret_count == count)
-        ret_count = 0;
-    return ret_count;
-}
-
-static int raw_write(BlockDriverState *bs, int64_t sector_num,
-                     const uint8_t *buf, int nb_sectors)
-{
-    BDRVRawState *s = bs->opaque;
-    OVERLAPPED ov;
-    DWORD ret_count;
-    int ret;
-    int64_t offset = sector_num * 512;
-    int count = nb_sectors * 512;
-
-    memset(&ov, 0, sizeof(ov));
-    ov.Offset = offset;
-    ov.OffsetHigh = offset >> 32;
-    ret = WriteFile(s->hfile, buf, count, &ret_count, &ov);
-    if (!ret)
-        return ret_count;
-    if (ret_count == count)
-        ret_count = 0;
-    return ret_count;
-}
-
-static void raw_flush(BlockDriverState *bs)
-{
-    BDRVRawState *s = bs->opaque;
-    FlushFileBuffers(s->hfile);
-}
-
-static void raw_close(BlockDriverState *bs)
-{
-    BDRVRawState *s = bs->opaque;
-    CloseHandle(s->hfile);
-}
-
-static int raw_truncate(BlockDriverState *bs, int64_t offset)
-{
-    BDRVRawState *s = bs->opaque;
-    LONG low, high;
-
-    low = offset;
-    high = offset >> 32;
-    if (!SetFilePointer(s->hfile, low, &high, FILE_BEGIN))
-	return -EIO;
-    if (!SetEndOfFile(s->hfile))
-        return -EIO;
-    return 0;
-}
-
-static int64_t raw_getlength(BlockDriverState *bs)
-{
-    BDRVRawState *s = bs->opaque;
-    LARGE_INTEGER l;
-    ULARGE_INTEGER available, total, total_free;
-    DISK_GEOMETRY_EX dg;
-    DWORD count;
-    BOOL status;
-
-    switch(s->type) {
-    case FTYPE_FILE:
-        l.LowPart = GetFileSize(s->hfile, (PDWORD)&l.HighPart);
-        if (l.LowPart == 0xffffffffUL && GetLastError() != NO_ERROR)
-            return -EIO;
-        break;
-    case FTYPE_CD:
-        if (!GetDiskFreeSpaceEx(s->drive_path, &available, &total, &total_free))
-            return -EIO;
-        l.QuadPart = total.QuadPart;
-        break;
-    case FTYPE_HARDDISK:
-        status = DeviceIoControl(s->hfile, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX,
-                                 NULL, 0, &dg, sizeof(dg), &count, NULL);
-        if (status != 0) {
-            l = dg.DiskSize;
-        }
-        break;
-    default:
-        return -EIO;
-    }
-    return l.QuadPart;
-}
-
-static int raw_create(const char *filename, int64_t total_size,
-                      const char *backing_file, int flags)
-{
-    int fd;
-
-    if (flags || backing_file)
-        return -ENOTSUP;
-
-    fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
-              0644);
-    if (fd < 0)
-        return -EIO;
-    set_sparse(fd);
-    ftruncate(fd, total_size * 512);
-    close(fd);
-    return 0;
-}
-
-static BlockDriver bdrv_raw = {
-    .format_name	= "raw",
-    .instance_size	= sizeof(BDRVRawState),
-    .bdrv_open		= raw_open,
-    .bdrv_close		= raw_close,
-    .bdrv_create	= raw_create,
-    .bdrv_flush		= raw_flush,
-    .bdrv_read		= raw_read,
-    .bdrv_write		= raw_write,
-    .bdrv_truncate	= raw_truncate,
-    .bdrv_getlength	= raw_getlength,
-};
-
-/***********************************************/
-/* host device */
-
-static int find_cdrom(char *cdrom_name, int cdrom_name_size)
-{
-    char drives[256], *pdrv = drives;
-    UINT type;
-
-    memset(drives, 0, sizeof(drives));
-    GetLogicalDriveStrings(sizeof(drives), drives);
-    while(pdrv[0] != '\0') {
-        type = GetDriveType(pdrv);
-        switch(type) {
-        case DRIVE_CDROM:
-            snprintf(cdrom_name, cdrom_name_size, "\\\\.\\%c:", pdrv[0]);
-            return 0;
-            break;
-        }
-        pdrv += lstrlen(pdrv) + 1;
-    }
-    return -1;
-}
-
-static int find_device_type(BlockDriverState *bs, const char *filename)
-{
-    BDRVRawState *s = bs->opaque;
-    UINT type;
-    const char *p;
-
-    if (strstart(filename, "\\\\.\\", &p) ||
-        strstart(filename, "//./", &p)) {
-        if (stristart(p, "PhysicalDrive", NULL))
-            return FTYPE_HARDDISK;
-        snprintf(s->drive_path, sizeof(s->drive_path), "%c:\\", p[0]);
-        type = GetDriveType(s->drive_path);
-        switch (type) {
-        case DRIVE_REMOVABLE:
-        case DRIVE_FIXED:
-            return FTYPE_HARDDISK;
-        case DRIVE_CDROM:
-            return FTYPE_CD;
-        default:
-            return FTYPE_FILE;
-        }
-    } else {
-        return FTYPE_FILE;
-    }
-}
-
-static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
-{
-    BDRVRawState *s = bs->opaque;
-    int access_flags, create_flags;
-    DWORD overlapped;
-    char device_name[64];
-
-    if (strstart(filename, "/dev/cdrom", NULL)) {
-        if (find_cdrom(device_name, sizeof(device_name)) < 0)
-            return -ENOENT;
-        filename = device_name;
-    } else {
-        /* transform drive letters into device name */
-        if (((filename[0] >= 'a' && filename[0] <= 'z') ||
-             (filename[0] >= 'A' && filename[0] <= 'Z')) &&
-            filename[1] == ':' && filename[2] == '\0') {
-            snprintf(device_name, sizeof(device_name), "\\\\.\\%c:", filename[0]);
-            filename = device_name;
-        }
-    }
-    s->type = find_device_type(bs, filename);
-
-    if ((flags & BDRV_O_ACCESS) == O_RDWR) {
-        access_flags = GENERIC_READ | GENERIC_WRITE;
-    } else {
-        access_flags = GENERIC_READ;
-    }
-    create_flags = OPEN_EXISTING;
-
-    overlapped = FILE_ATTRIBUTE_NORMAL;
-    if ((flags & BDRV_O_NOCACHE))
-        overlapped |= FILE_FLAG_NO_BUFFERING | FILE_FLAG_WRITE_THROUGH;
-    else if (!(flags & BDRV_O_CACHE_WB))
-        overlapped |= FILE_FLAG_WRITE_THROUGH;
-    s->hfile = CreateFile(filename, access_flags,
-                          FILE_SHARE_READ, NULL,
-                          create_flags, overlapped, NULL);
-    if (s->hfile == INVALID_HANDLE_VALUE) {
-        int err = GetLastError();
-
-        if (err == ERROR_ACCESS_DENIED)
-            return -EACCES;
-        return -1;
-    }
-    return 0;
-}
-
-#if 0
-/***********************************************/
-/* removable device additional commands */
-
-static int raw_is_inserted(BlockDriverState *bs)
-{
-    return 1;
-}
-
-static int raw_media_changed(BlockDriverState *bs)
-{
-    return -ENOTSUP;
-}
-
-static int raw_eject(BlockDriverState *bs, int eject_flag)
-{
-    DWORD ret_count;
-
-    if (s->type == FTYPE_FILE)
-        return -ENOTSUP;
-    if (eject_flag) {
-        DeviceIoControl(s->hfile, IOCTL_STORAGE_EJECT_MEDIA,
-                        NULL, 0, NULL, 0, &lpBytesReturned, NULL);
-    } else {
-        DeviceIoControl(s->hfile, IOCTL_STORAGE_LOAD_MEDIA,
-                        NULL, 0, NULL, 0, &lpBytesReturned, NULL);
-    }
-}
-
-static int raw_set_locked(BlockDriverState *bs, int locked)
-{
-    return -ENOTSUP;
-}
-#endif
-
-static BlockDriver bdrv_host_device = {
-    .format_name	= "host_device",
-    .instance_size	= sizeof(BDRVRawState),
-    .bdrv_open		= hdev_open,
-    .bdrv_close		= raw_close,
-    .bdrv_flush		= raw_flush,
-
-    .bdrv_read		= raw_read,
-    .bdrv_write	        = raw_write,
-    .bdrv_getlength	= raw_getlength,
-};
-
-static void bdrv_raw_init(void)
-{
-    bdrv_register(&bdrv_raw);
-    bdrv_register(&bdrv_host_device);
-}
-
-block_init(bdrv_raw_init);