diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-01-07 22:43:30 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-01-07 22:43:30 +0000 |
| commit | 01781963983206feac8c6be5ded68c3ee244c4ad (patch) | |
| tree | 230f66d686cd3b35918a1dcff9ec8eba1c3218c6 /block-raw.c | |
| parent | 18607dcb7ce42da3e36f1c9bf6c77f28ebf293c8 (diff) | |
win32: physical drive support (initial patch by kazu)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2311 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'block-raw.c')
| -rw-r--r-- | block-raw.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/block-raw.c b/block-raw.c index 8cf198854a..2b6f441bad 100644 --- a/block-raw.c +++ b/block-raw.c @@ -838,6 +838,7 @@ BlockDriver bdrv_host_device = { #define FTYPE_FILE 0 #define FTYPE_CD 1 +#define FTYPE_HARDDISK 2 typedef struct BDRVRawState { HANDLE hfile; @@ -1098,6 +1099,9 @@ static int64_t raw_getlength(BlockDriverState *bs) BDRVRawState *s = bs->opaque; LARGE_INTEGER l; ULARGE_INTEGER available, total, total_free; + DISK_GEOMETRY dg; + DWORD count; + BOOL status; switch(s->type) { case FTYPE_FILE: @@ -1110,6 +1114,14 @@ static int64_t raw_getlength(BlockDriverState *bs) return -EIO; l.QuadPart = total.QuadPart; break; + case FTYPE_HARDDISK: + status = DeviceIoControl(s->hfile, IOCTL_DISK_GET_DRIVE_GEOMETRY, + NULL, 0, &dg, sizeof(dg), &count, NULL); + if (status != FALSE) { + l.QuadPart = dg.Cylinders.QuadPart * dg.TracksPerCylinder + * dg.SectorsPerTrack * dg.BytesPerSector; + } + break; default: return -EIO; } @@ -1216,6 +1228,8 @@ static int find_device_type(BlockDriverState *bs, const char *filename) 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); if (type == DRIVE_CDROM) @@ -1248,7 +1262,7 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags) } } s->type = find_device_type(bs, filename); - + if ((flags & BDRV_O_ACCESS) == O_RDWR) { access_flags = GENERIC_READ | GENERIC_WRITE; } else { |