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add -drive if=none

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This adds a host drive, but doesn't implicitly add a guest drive for it.
First step in splitting host and guest configuration, check the
following patches to see how this can be used ...

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-Id:
This commit is contained in:
Gerd Hoffmann 2009-07-31 12:25:39 +02:00 • committed by Anthony Liguori
parent 2e810b3668
commit a8659e90e9
2 changed files with 5 additions and 0 deletions
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1
sysemu.h
View file

@ -144,6 +144,7 @@ extern unsigned int nb_prom_envs;
#endif #endif
typedef enum { typedef enum {
IF_NONE,
IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
IF_COUNT IF_COUNT
} BlockInterfaceType; } BlockInterfaceType;

4
vl.c
View file

@ -1982,6 +1982,9 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
} else if (!strcmp(buf, "xen")) { } else if (!strcmp(buf, "xen")) {
type = IF_XEN; type = IF_XEN;
max_devs = 0; max_devs = 0;
} else if (!strcmp(buf, "none")) {
type = IF_NONE;
max_devs = 0;
} else { } else {
fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
return NULL; return NULL;
@ -2195,6 +2198,7 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
case IF_PFLASH: case IF_PFLASH:
case IF_MTD: case IF_MTD:
case IF_VIRTIO: case IF_VIRTIO:
case IF_NONE:
break; break;
case IF_COUNT: case IF_COUNT:
abort(); abort();