From bc2a2364b8050632a3b3de07f30d88b7f0734845 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Fri, 8 May 2020 08:24:55 +0200 Subject: [PATCH] hw/block: Let the NVMe emulated device be target-agnostic MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Stefan Hajnoczi Reviewed-by: Richard Henderson Acked-by: Paolo Bonzini Message-id: 20200508062456.23344-4-philmd@redhat.com Signed-off-by: Stefan Hajnoczi --- hw/block/Makefile.objs | 2 +- hw/block/nvme.c | 6 ++---- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/hw/block/Makefile.objs b/hw/block/Makefile.objs index 47960b5f0d..8855c22656 100644 --- a/hw/block/Makefile.objs +++ b/hw/block/Makefile.objs @@ -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/ diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 2f3100e56c..a21eeca2fb 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -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 {