[libvirt] [PATCH 20/27] Add API for issuing 'pci_add storage' monitor command
Mark McLoughlin
markmc at redhat.com
Mon Sep 28 13:23:05 UTC 2009
On Thu, 2009-09-24 at 16:00 +0100, Daniel P. Berrange wrote:
> * src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h: Add new
> API qemuMonitorAddPCIDisk()
> * src/qemu/qemu_driver.c: Convert over to using the new
> qemuMonitorAddPCIDisk() method, and remove now obsolete
> qemudEscape() method
> ---
> src/qemu/qemu_driver.c | 130 ++---------------------------------------
> src/qemu/qemu_monitor_text.c | 55 ++++++++++++++++++
> src/qemu/qemu_monitor_text.h | 13 ++++
> 3 files changed, 75 insertions(+), 123 deletions(-)
>
...
> diff --git a/src/qemu/qemu_monitor_text.c b/src/qemu/qemu_monitor_text.c
> index 290dcce..765a482 100644
> --- a/src/qemu/qemu_monitor_text.c
> +++ b/src/qemu/qemu_monitor_text.c
> @@ -1437,6 +1437,61 @@ cleanup:
> }
>
>
> +int qemuMonitorAddPCIDisk(const virDomainObjPtr vm,
> + const char *path,
> + const char *bus,
> + unsigned *guestDomain,
> + unsigned *guestBus,
> + unsigned *guestSlot) {
> + char *cmd = NULL;
> + char *reply = NULL;
> + char *safe_path = NULL;
> + int tryOldSyntax = 0;
> + int ret = -1;
> +
> + safe_path = qemudEscapeMonitorArg(path);
> + if (!safe_path) {
> + virReportOOMError(NULL);
> + return -1;
> + }
> +
> +try_command:
> + if (virAsprintf(&cmd, "pci_add %s storage file=%s,if=%s",
> + (tryOldSyntax ? "0": "pci_addr=auto"), safe_path, bus) < 0) {
> + virReportOOMError(NULL);
> + goto cleanup;
> + }
> +
> + if (qemudMonitorCommand(vm, cmd, &reply) < 0) {
> + qemudReportError(NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
> + _("cannot attach %s disk %s"), bus, path);
> + goto cleanup;
> + }
> +
> + if (qemuMonitorParsePciAddReply(vm, reply,
> + guestDomain, guestBus, guestSlot) < 0) {
> + if (!tryOldSyntax && strstr(reply, "invalid char in expression")) {
> + VIR_FREE(reply);
> + VIR_FREE(cmd);
> + tryOldSyntax = 1;
> + goto try_command;
> + }
> +
> + qemudReportError (NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
> + _("adding %s disk failed %s: %s"), bus, path, reply);
> + goto cleanup;
> + }
> +
> + ret = 0;
> +
> +cleanup:
> + VIR_FREE(cmd);
> + VIR_FREE(reply);
> + return ret;
> +}
safe_path is leaked
Otherwise ACK
Cheers,
Mark.
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