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[Qemu-devel] [PATCH v2 04/20] memory-device: get_region_size()/get_plugg
From: |
David Hildenbrand |
Subject: |
[Qemu-devel] [PATCH v2 04/20] memory-device: get_region_size()/get_plugged_size() might fail |
Date: |
Wed, 29 Aug 2018 17:36:08 +0200 |
Let's properly forward the error, so errors from get_region_size() /
get_plugged_size(), can be handled.
Users right now call both functions after the device has been realized,
which is guaranteed to no fail (we'll document this behavior in a
follow-up patch).
Signed-off-by: David Hildenbrand <address@hidden>
---
hw/mem/memory-device.c | 6 +++---
hw/mem/pc-dimm.c | 5 +++--
include/hw/mem/memory-device.h | 4 ++--
3 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c
index 0d9892b715..d87599c280 100644
--- a/hw/mem/memory-device.c
+++ b/hw/mem/memory-device.c
@@ -60,7 +60,7 @@ static int memory_device_used_region_size(Object *obj, void
*opaque)
const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(obj);
if (dev->realized) {
- *size += mdc->get_region_size(md);
+ *size += mdc->get_region_size(md, &error_abort);
}
}
@@ -167,7 +167,7 @@ uint64_t memory_device_get_free_addr(MachineState *ms,
const uint64_t *hint,
uint64_t md_size, md_addr;
md_addr = mdc->get_addr(md);
- md_size = mdc->get_region_size(md);
+ md_size = mdc->get_region_size(md, &error_abort);
if (*errp) {
goto out;
}
@@ -233,7 +233,7 @@ static int memory_device_plugged_size(Object *obj, void
*opaque)
const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(obj);
if (dev->realized) {
- *size += mdc->get_plugged_size(md);
+ *size += mdc->get_plugged_size(md, &error_abort);
}
}
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index fb6bcaedc4..4bf1a0acc9 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -236,14 +236,15 @@ static uint64_t pc_dimm_md_get_addr(const
MemoryDeviceState *md)
return dimm->addr;
}
-static uint64_t pc_dimm_md_get_region_size(const MemoryDeviceState *md)
+static uint64_t pc_dimm_md_get_region_size(const MemoryDeviceState *md,
+ Error **errp)
{
/* dropping const here is fine as we don't touch the memory region */
PCDIMMDevice *dimm = PC_DIMM(md);
const PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(md);
MemoryRegion *mr;
- mr = ddc->get_memory_region(dimm, &error_abort);
+ mr = ddc->get_memory_region(dimm, errp);
if (!mr) {
return 0;
}
diff --git a/include/hw/mem/memory-device.h b/include/hw/mem/memory-device.h
index 2853b084b5..f02b229837 100644
--- a/include/hw/mem/memory-device.h
+++ b/include/hw/mem/memory-device.h
@@ -33,8 +33,8 @@ typedef struct MemoryDeviceClass {
InterfaceClass parent_class;
uint64_t (*get_addr)(const MemoryDeviceState *md);
- uint64_t (*get_plugged_size)(const MemoryDeviceState *md);
- uint64_t (*get_region_size)(const MemoryDeviceState *md);
+ uint64_t (*get_plugged_size)(const MemoryDeviceState *md, Error **errp);
+ uint64_t (*get_region_size)(const MemoryDeviceState *md, Error **errp);
void (*fill_device_info)(const MemoryDeviceState *md,
MemoryDeviceInfo *info);
} MemoryDeviceClass;
--
2.17.1
- [Qemu-devel] [PATCH v2 00/20] memory-device: complete refactoring + virtio-pmem, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 02/20] memory-device: use memory device terminology in error messages, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 01/20] memory-device: fix error message when hinted address is too small, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 03/20] memory-device: introduce separate config option, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 04/20] memory-device: get_region_size()/get_plugged_size() might fail,
David Hildenbrand <=
- [Qemu-devel] [PATCH v2 05/20] memory-device: convert get_region_size() to get_memory_region(), David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 06/20] memory-device: document MemoryDeviceClass, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 07/20] memory-device: add device class function set_addr(), David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 08/20] pc-dimm: implement memory device class function set_addr(), David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 09/20] memory-device: complete factoring out pre_plug handling, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 10/20] memory-device: complete factoring out plug handling, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 11/20] memory-device: complete factoring out unplug handling, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 12/20] memory-device: trace when pre_assigning/assigning/unassigning addresses, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 13/20] hw/acpi-build: only indicate nvdimm and pc-dimm, David Hildenbrand, 2018/08/29
- [Qemu-devel] [PATCH v2 14/20] memory-device: ids of virtio based devices are special, David Hildenbrand, 2018/08/29