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Re: [Qemu-devel] [RESEND PATCH v4 1/6] acpi, mem-hotplug: Add acpi_memor
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [RESEND PATCH v4 1/6] acpi, mem-hotplug: Add acpi_memory_slot_status() to get MemStatus |
Date: |
Mon, 16 Mar 2015 14:58:21 +0100 |
On Mon, Mar 16, 2015 at 04:58:13PM +0800, Zhu Guihua wrote:
> From: Tang Chen <address@hidden>
>
> Add a new API named acpi_memory_slot_status() to obtain a single memory
> slot status. Doing this is because this procedure will be used by other
> functions in the next coming patches.
>
> Signed-off-by: Tang Chen <address@hidden>
> Signed-off-by: Zhu Guihua <address@hidden>
It's generally only OK to add API in a separate
patch from its use if the API is well documented.
There's 0 documentation here, so please just squash this
with the user so one can review without jumping
back and forth.
> ---
> hw/acpi/memory_hotplug.c | 24 ++++++++++++++++++------
> 1 file changed, 18 insertions(+), 6 deletions(-)
>
> diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c
> index c6580da..0efc357 100644
> --- a/hw/acpi/memory_hotplug.c
> +++ b/hw/acpi/memory_hotplug.c
> @@ -163,29 +163,41 @@ void acpi_memory_hotplug_init(MemoryRegion *as, Object
> *owner,
> memory_region_add_subregion(as, ACPI_MEMORY_HOTPLUG_BASE, &state->io);
> }
>
> -void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st,
> - DeviceState *dev, Error **errp)
> +static MemStatus *
> +acpi_memory_slot_status(MemHotplugState *mem_st,
> + DeviceState *dev, Error **errp)
> {
> - MemStatus *mdev;
> Error *local_err = NULL;
> int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
> &local_err);
>
> if (local_err) {
> error_propagate(errp, local_err);
> - return;
> + return NULL;
> }
>
> if (slot >= mem_st->dev_count) {
> char *dev_path = object_get_canonical_path(OBJECT(dev));
> - error_setg(errp, "acpi_memory_plug_cb: "
> + error_setg(errp, "acpi_memory_slot_status: "
> "device [%s] returned invalid memory slot[%d]",
> dev_path, slot);
> g_free(dev_path);
> + return NULL;
> + }
> +
> + return &mem_st->devs[slot];
> +}
> +
> +void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st,
> + DeviceState *dev, Error **errp)
> +{
> + MemStatus *mdev;
> +
> + mdev = acpi_memory_slot_status(mem_st, dev, errp);
> + if (!mdev) {
> return;
> }
>
> - mdev = &mem_st->devs[slot];
> mdev->dimm = dev;
> mdev->is_enabled = true;
> mdev->is_inserting = true;
> --
> 1.9.3
- [Qemu-devel] [RESEND PATCH v4 0/6] QEMU memory hot unplug support, Zhu Guihua, 2015/03/16
- [Qemu-devel] [RESEND PATCH v4 2/6] acpi, mem-hotplug: Add unplug request cb for memory device, Zhu Guihua, 2015/03/16
- [Qemu-devel] [RESEND PATCH v4 3/6] pc-dimm: Add memory hot unplug request support for pc-dimm, Zhu Guihua, 2015/03/16
- [Qemu-devel] [RESEND PATCH v4 4/6] acpi, mem-hotplug: Add unplug cb for memory device, Zhu Guihua, 2015/03/16
- [Qemu-devel] [RESEND PATCH v4 5/6] pc-dimm: Add memory hot unplug support for pc-dimm, Zhu Guihua, 2015/03/16