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hw/block: Let the NVMe emulated device be target-agnostic

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Now than the non-target specific memory_region_msync() function
is available, use it to make this device target-agnostic.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20200508062456.23344-4-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-05-08 08:24:55 +02:00 committed by Stefan Hajnoczi
parent 9ecc996a3d
commit bc2a2364b8
2 changed files with 3 additions and 5 deletions
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2
hw/block/Makefile.objs
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@ -13,6 +13,6 @@ common-obj-$(CONFIG_SH4) += tc58128.o
obj-$(CONFIG_VIRTIO_BLK) += virtio-blk.o
obj-$(CONFIG_VHOST_USER_BLK) += vhost-user-blk.o
obj-$(CONFIG_NVME_PCI) += nvme.o
common-obj-$(CONFIG_NVME_PCI) += nvme.o
obj-y += dataplane/

6
hw/block/nvme.c
View File

@ -46,8 +46,7 @@
#include "qapi/visitor.h"
#include "sysemu/hostmem.h"
#include "sysemu/block-backend.h"
#include "exec/ram_addr.h"
#include "exec/memory.h"
#include "qemu/log.h"
#include "qemu/module.h"
#include "qemu/cutils.h"
@ -1207,8 +1206,7 @@ static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size)
*/
if (addr == 0xE08 &&
(NVME_PMRCAP_PMRWBM(n->bar.pmrcap) & 0x02)) {
qemu_ram_writeback(n->pmrdev->mr.ram_block,
0, n->pmrdev->size);
memory_region_msync(&n->pmrdev->mr, 0, n->pmrdev->size);
}
memcpy(&val, ptr + addr, size);
} else {