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[Qemu-stable] [PATCH 54/79] spapr: add pre_plug function for memory
From: |
Michael Roth |
Subject: |
[Qemu-stable] [PATCH 54/79] spapr: add pre_plug function for memory |
Date: |
Mon, 28 Aug 2017 19:14:29 -0500 |
From: Laurent Vivier <address@hidden>
This allows to manage errors before the memory
has started to be hotplugged. We already have
the function for the CPU cores.
Signed-off-by: Laurent Vivier <address@hidden>
Reviewed-by: Greg Kurz <address@hidden>
[dwg: Fixed a couple of style nits]
Signed-off-by: David Gibson <address@hidden>
(cherry picked from commit c871bc70bb22d1d70451bc813ecb008fe98cc92b)
Signed-off-by: Michael Roth <address@hidden>
---
hw/ppc/spapr.c | 41 ++++++++++++++++++++++++++---------------
1 file changed, 26 insertions(+), 15 deletions(-)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 35db949..5564f78 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2508,20 +2508,6 @@ static void spapr_memory_plug(HotplugHandler
*hotplug_dev, DeviceState *dev,
uint64_t align = memory_region_get_alignment(mr);
uint64_t size = memory_region_size(mr);
uint64_t addr;
- char *mem_dev;
-
- if (size % SPAPR_MEMORY_BLOCK_SIZE) {
- error_setg(&local_err, "Hotplugged memory size must be a multiple of "
- "%lld MB", SPAPR_MEMORY_BLOCK_SIZE/M_BYTE);
- goto out;
- }
-
- mem_dev = object_property_get_str(OBJECT(dimm), PC_DIMM_MEMDEV_PROP, NULL);
- if (mem_dev && !kvmppc_is_mem_backend_page_size_ok(mem_dev)) {
- error_setg(&local_err, "Memory backend has bad page size. "
- "Use 'memory-backend-file' with correct mem-path.");
- goto out;
- }
pc_dimm_memory_plug(dev, &ms->hotplug_memory, mr, align, &local_err);
if (local_err) {
@@ -2542,6 +2528,29 @@ out:
error_propagate(errp, local_err);
}
+static void spapr_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState
*dev,
+ Error **errp)
+{
+ PCDIMMDevice *dimm = PC_DIMM(dev);
+ PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
+ MemoryRegion *mr = ddc->get_memory_region(dimm);
+ uint64_t size = memory_region_size(mr);
+ char *mem_dev;
+
+ if (size % SPAPR_MEMORY_BLOCK_SIZE) {
+ error_setg(errp, "Hotplugged memory size must be a multiple of "
+ "%lld MB", SPAPR_MEMORY_BLOCK_SIZE / M_BYTE);
+ return;
+ }
+
+ mem_dev = object_property_get_str(OBJECT(dimm), PC_DIMM_MEMDEV_PROP, NULL);
+ if (mem_dev && !kvmppc_is_mem_backend_page_size_ok(mem_dev)) {
+ error_setg(errp, "Memory backend has bad page size. "
+ "Use 'memory-backend-file' with correct mem-path.");
+ return;
+ }
+}
+
typedef struct sPAPRDIMMState {
uint32_t nr_lmbs;
} sPAPRDIMMState;
@@ -2912,7 +2921,9 @@ static void
spapr_machine_device_unplug_request(HotplugHandler *hotplug_dev,
static void spapr_machine_device_pre_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
- if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) {
+ if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
+ spapr_memory_pre_plug(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) {
spapr_core_pre_plug(hotplug_dev, dev, errp);
}
}
--
2.7.4
- [Qemu-stable] [PATCH 43/79] tests: Add coverage for recent block geometry fixes, (continued)
- [Qemu-stable] [PATCH 43/79] tests: Add coverage for recent block geometry fixes, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 40/79] blkdebug: Add pass-through write_zero and discard support, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 31/79] stream: fix crash in stream_start() when block_job_create() fails, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 34/79] virtio-scsi: Unset hotplug handler when unrealize, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 46/79] mirror: Drop permissions on s->target on completion, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 37/79] virtio-net: fix wild pointer when remove virtio-net queues, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 44/79] block: Simplify BDRV_BLOCK_RAW recursion, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 50/79] monitor: fix object_del for command-line-created objects, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 38/79] blkdebug: Sanity check block layer guarantees, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 53/79] target/ppc: fix memory leak in kvmppc_is_mem_backend_page_size_ok(), Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 54/79] spapr: add pre_plug function for memory,
Michael Roth <=
- [Qemu-stable] [PATCH 49/79] tests: check-qom-proplist: add checks for cmdline-created objects, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 55/79] spapr: fix memory leak in spapr_memory_pre_plug(), Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 60/79] commit: Fix completion with extra reference, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 58/79] nbd: Fully initialize client in case of failed negotiation, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 62/79] blkverify: Catch bs->exact_filename overflow, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 41/79] blkdebug: Simplify override logic, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 42/79] blkdebug: Add ability to override unmap geometries, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 45/79] block: Guarantee that *file is set on bdrv_get_block_status(), Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 48/79] linuxboot_dma: compile for i486, Michael Roth, 2017/08/28
- [Qemu-stable] [PATCH 47/79] virtio-serial-bus: Unset hotplug handler when unrealize, Michael Roth, 2017/08/28