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Re: [Qemu-devel] [PATCH v3 12/22] memory-device: complete factoring out
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCH v3 12/22] memory-device: complete factoring out plug handling |
Date: |
Fri, 21 Sep 2018 17:00:00 +1000 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Thu, Sep 20, 2018 at 12:32:33PM +0200, David Hildenbrand wrote:
> With the new memory device functions in place, we can factor out
> plugging of memory devices completely.
>
> Signed-off-by: David Hildenbrand <address@hidden>
Reviewed-by: David Gibson <address@hidden>
> ---
> hw/mem/memory-device.c | 10 +++++++---
> hw/mem/pc-dimm.c | 8 +-------
> include/hw/mem/memory-device.h | 3 +--
> 3 files changed, 9 insertions(+), 12 deletions(-)
>
> diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c
> index ec20c8a2bc..34e92148ec 100644
> --- a/hw/mem/memory-device.c
> +++ b/hw/mem/memory-device.c
> @@ -275,10 +275,14 @@ out:
> error_propagate(errp, local_err);
> }
>
> -void memory_device_plug_region(MachineState *ms, MemoryRegion *mr,
> - uint64_t addr)
> +void memory_device_plug(MemoryDeviceState *md, MachineState *ms)
> {
> - /* we expect a previous call to memory_device_get_free_addr() */
> + const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(md);
> + const uint64_t addr = mdc->get_addr(md);
> + MemoryRegion *mr;
> +
> + /* we expect a previous call to memory_device_pre_plug() */
> + mr = mdc->get_memory_region(md, &error_abort);
> g_assert(ms->device_memory);
>
> memory_region_add_subregion(&ms->device_memory->mr,
> diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
> index 39dbb69f61..db8f71c672 100644
> --- a/hw/mem/pc-dimm.c
> +++ b/hw/mem/pc-dimm.c
> @@ -63,16 +63,10 @@ void pc_dimm_plug(DeviceState *dev, MachineState
> *machine, Error **errp)
> {
> PCDIMMDevice *dimm = PC_DIMM(dev);
> PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
> - MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(dev);
> MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm,
> &error_abort);
> - MemoryRegion *mr = mdc->get_memory_region(MEMORY_DEVICE(dev),
> &error_abort);
> - uint64_t addr;
> -
> - addr = object_property_get_uint(OBJECT(dev), PC_DIMM_ADDR_PROP,
> - &error_abort);
>
> - memory_device_plug_region(machine, mr, addr);
> + memory_device_plug(MEMORY_DEVICE(dev), machine);
> vmstate_register_ram(vmstate_mr, dev);
> }
>
> diff --git a/include/hw/mem/memory-device.h b/include/hw/mem/memory-device.h
> index 2bb8c604b4..5ba36f98fb 100644
> --- a/include/hw/mem/memory-device.h
> +++ b/include/hw/mem/memory-device.h
> @@ -60,8 +60,7 @@ MemoryDeviceInfoList *qmp_memory_device_list(void);
> uint64_t get_plugged_memory_size(void);
> void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms,
> const uint64_t *legacy_align, Error **errp);
> -void memory_device_plug_region(MachineState *ms, MemoryRegion *mr,
> - uint64_t addr);
> +void memory_device_plug(MemoryDeviceState *md, MachineState *ms);
> void memory_device_unplug_region(MachineState *ms, MemoryRegion *mr);
> uint64_t memory_device_get_region_size(const MemoryDeviceState *md,
> Error **errp);
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- Re: [Qemu-devel] [PATCH v3 09/22] memory-device: drop get_region_size(), (continued)
[Qemu-devel] [PATCH v3 10/22] memory-device: add device class function set_addr(), David Hildenbrand, 2018/09/20
[Qemu-devel] [PATCH v3 11/22] memory-device: complete factoring out pre_plug handling, David Hildenbrand, 2018/09/20
[Qemu-devel] [PATCH v3 12/22] memory-device: complete factoring out plug handling, David Hildenbrand, 2018/09/20
[Qemu-devel] [PATCH v3 13/22] memory-device: complete factoring out unplug handling, David Hildenbrand, 2018/09/20
[Qemu-devel] [PATCH v3 14/22] memory-device: trace when pre_assigning/assigning/unassigning addresses, David Hildenbrand, 2018/09/20