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add "serial" parameter to -drive flag (Gleb Natapov)

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Windows calculates HW "uniqueness" based on a hard drive serial number
among other things. The patch allows to specify drive serial number
from a command line.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6214 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-01-07 17:32:33 +00:00
parent ff4b91c2f7
commit fa879c6414
5 changed files with 44 additions and 15 deletions
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20
vl.c
View file

@ -2196,6 +2196,17 @@ int drive_get_max_bus(BlockInterfaceType type)
return max_bus;
}
const char *drive_get_serial(BlockDriverState *bdrv)
{
int index;
for (index = 0; index < nb_drives; index++)
if (drives_table[index].bdrv == bdrv)
return drives_table[index].serial;
return "\0";
}
static void bdrv_format_print(void *opaque, const char *name)
{
fprintf(stderr, " %s", name);
@ -2207,6 +2218,7 @@ static int drive_init(struct drive_opt *arg, int snapshot,
char buf[128];
char file[1024];
char devname[128];
char serial[21];
const char *mediastr = "";
BlockInterfaceType type;
enum { MEDIA_DISK, MEDIA_CDROM } media;
@ -2222,7 +2234,7 @@ static int drive_init(struct drive_opt *arg, int snapshot,
static const char * const params[] = { "bus", "unit", "if", "index",
"cyls", "heads", "secs", "trans",
"media", "snapshot", "file",
"cache", "format", NULL };
"cache", "format", "serial", NULL };
if (check_params(buf, sizeof(buf), params, str) < 0) {
fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
@ -2409,6 +2421,9 @@ static int drive_init(struct drive_opt *arg, int snapshot,
else
pstrcpy(file, sizeof(file), arg->file);
if (!get_param_value(serial, sizeof(serial), "serial", str))
memset(serial, 0, sizeof(serial));
/* compute bus and unit according index */
if (index != -1) {
@ -2472,6 +2487,7 @@ static int drive_init(struct drive_opt *arg, int snapshot,
drives_table[nb_drives].type = type;
drives_table[nb_drives].bus = bus_id;
drives_table[nb_drives].unit = unit_id;
strncpy(drives_table[nb_drives].serial, serial, sizeof(serial));
nb_drives++;
switch(type) {
@ -3826,7 +3842,7 @@ static void help(int exitcode)
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
"-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
" [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
" [,cache=writethrough|writeback|none][,format=f]\n"
" [,cache=writethrough|writeback|none][,format=f][,serial=s]\n"
" use 'file' as a drive image\n"
"-mtdblock file use 'file' as on-board Flash memory image\n"
"-sd file use 'file' as SecureDigital card image\n"