Re: [Qemu-trivial] [PATCH] Clean up pci_drive_hot_add()'s use of BlockInterfaceType

[Alexander Graf]

On 22.11.2012, at 15:16, Markus Armbruster wrote:

> pci_drive_hot_add() parameter type has the wrong type: int instead of
> BlockInterfaceType.  It's actually redundant, so we can just drop it.
> 
> Signed-off-by: Markus Armbruster <address@hidden>
> ---
> hw/device-hotplug.c | 11 ++++-------
> hw/pci-hotplug.c    |  7 +++----
> sysemu.h            |  3 +--
> 3 files changed, 8 insertions(+), 13 deletions(-)
> 
> diff --git a/hw/device-hotplug.c b/hw/device-hotplug.c
> index eec0fe3..6d9c080 100644
> --- a/hw/device-hotplug.c
> +++ b/hw/device-hotplug.c
> @@ -49,18 +49,16 @@ DriveInfo *add_init_drive(const char *optstr)
> }
> 
> #if !defined(TARGET_I386)
> -int pci_drive_hot_add(Monitor *mon, const QDict *qdict,
> -                      DriveInfo *dinfo, int type)
> +int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo)
> {
>     /* On non-x86 we don't do PCI hotplug */
> -    monitor_printf(mon, "Can't hot-add drive to type %d\n", type);
> +    monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type);

Can't we expose names instead? I don't really want internal enum numbering be 
part of our external CLI interface :)


Alex

>     return -1;
> }
> #endif
> 
> void drive_hot_add(Monitor *mon, const QDict *qdict)
> {
> -    int type;
>     DriveInfo *dinfo = NULL;
>     const char *opts = qdict_get_str(qdict, "opts");
> 
> @@ -72,14 +70,13 @@ void drive_hot_add(Monitor *mon, const QDict *qdict)
>         monitor_printf(mon, "Parameter addr not supported\n");
>         goto err;
>     }
> -    type = dinfo->type;
> 
> -    switch (type) {
> +    switch (dinfo->type) {
>     case IF_NONE:
>         monitor_printf(mon, "OK\n");
>         break;
>     default:
> -        if (pci_drive_hot_add(mon, qdict, dinfo, type)) {
> +        if (pci_drive_hot_add(mon, qdict, dinfo)) {
>             goto err;
>         }
>     }
> diff --git a/hw/pci-hotplug.c b/hw/pci-hotplug.c
> index e7fb780..d2121ee 100644
> --- a/hw/pci-hotplug.c
> +++ b/hw/pci-hotplug.c
> @@ -105,15 +105,14 @@ static int scsi_hot_add(Monitor *mon, DeviceState 
> *adapter,
>     return 0;
> }
> 
> -int pci_drive_hot_add(Monitor *mon, const QDict *qdict,
> -                      DriveInfo *dinfo, int type)
> +int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo)
> {
>     int dom, pci_bus;
>     unsigned slot;
>     PCIDevice *dev;
>     const char *pci_addr = qdict_get_str(qdict, "pci_addr");
> 
> -    switch (type) {
> +    switch (dinfo->type) {
>     case IF_SCSI:
>         if (pci_read_devaddr(mon, pci_addr, &dom, &pci_bus, &slot)) {
>             goto err;
> @@ -129,7 +128,7 @@ int pci_drive_hot_add(Monitor *mon, const QDict *qdict,
>         }
>         break;
>     default:
> -        monitor_printf(mon, "Can't hot-add drive to type %d\n", type);
> +        monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type);
>         goto err;
>     }
> 
> diff --git a/sysemu.h b/sysemu.h
> index f5ac664..c1b370b 100644
> --- a/sysemu.h
> +++ b/sysemu.h
> @@ -145,8 +145,7 @@ extern unsigned int nb_prom_envs;
> 
> /* pci-hotplug */
> void pci_device_hot_add(Monitor *mon, const QDict *qdict);
> -int pci_drive_hot_add(Monitor *mon, const QDict *qdict,
> -                      DriveInfo *dinfo, int type);
> +int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo);
> void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict);
> 
> /* generic hotplug */
> -- 
> 1.7.11.7
>