From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org, kvm@vger.kernel.org,
xen-devel@lists.xenproject.org,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Stefano Garzarella" <sgarzare@redhat.com>
Subject: [PATCH v4 16/17] hw/virtio/vhost: Replace legacy cpu_physical_memory_*map() calls
Date: Thu, 2 Oct 2025 10:42:01 +0200 [thread overview]
Message-ID: <20251002084203.63899-17-philmd@linaro.org> (raw)
In-Reply-To: <20251002084203.63899-1-philmd@linaro.org>
Use VirtIODevice::dma_as address space to convert the legacy
cpu_physical_memory_[un]map() calls to address_space_[un]map().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
hw/virtio/vhost.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 6557c58d12a..efa24aee609 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -27,6 +27,7 @@
#include "migration/blocker.h"
#include "migration/qemu-file-types.h"
#include "system/dma.h"
+#include "system/memory.h"
#include "trace.h"
/* enabled until disconnected backend stabilizes */
@@ -455,7 +456,8 @@ static void *vhost_memory_map(struct vhost_dev *dev, hwaddr addr,
hwaddr *plen, bool is_write)
{
if (!vhost_dev_has_iommu(dev)) {
- return cpu_physical_memory_map(addr, plen, is_write);
+ return address_space_map(dev->vdev->dma_as, addr, plen, is_write,
+ MEMTXATTRS_UNSPECIFIED);
} else {
return (void *)(uintptr_t)addr;
}
@@ -466,7 +468,8 @@ static void vhost_memory_unmap(struct vhost_dev *dev, void *buffer,
hwaddr access_len)
{
if (!vhost_dev_has_iommu(dev)) {
- cpu_physical_memory_unmap(buffer, len, is_write, access_len);
+ address_space_unmap(dev->vdev->dma_as, buffer, len, is_write,
+ access_len);
}
}
--
2.51.0
next prev parent reply other threads:[~2025-10-02 8:50 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-02 8:41 [PATCH v4 00/17] system/physmem: Remove cpu_physical_memory _is_io() and _rw() Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 01/17] docs/devel/loads-stores: Stop mentioning cpu_physical_memory_write_rom() Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 02/17] system/memory: Factor address_space_is_io() out Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 03/17] target/i386/arch_memory_mapping: Use address_space_memory_is_io() Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 04/17] hw/s390x/sclp: Use address_space_memory_is_io() in sclp_service_call() Philippe Mathieu-Daudé
2025-10-02 14:06 ` Eric Farman
2025-10-02 8:41 ` [PATCH v4 05/17] system/physmem: Remove cpu_physical_memory_is_io() Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 06/17] system/physmem: Pass address space argument to cpu_flush_icache_range() Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 07/17] hw/s390x/sclp: Replace [cpu_physical_memory -> address_space]_r/w() Philippe Mathieu-Daudé
2025-10-02 14:09 ` Eric Farman
2025-10-02 8:41 ` [PATCH v4 08/17] target/s390x/mmu: Replace [cpu_physical_memory -> address_space]_rw() Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 09/17] target/i386/whpx: Replace legacy cpu_physical_memory_rw() call Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 10/17] target/i386/kvm: " Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 11/17] target/i386/nvmm: Inline cpu_physical_memory_rw() in nvmm_mem_callback Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 12/17] hw/xen/hvm: Inline cpu_physical_memory_rw() in rw_phys_req_item() Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 13/17] system/physmem: Un-inline cpu_physical_memory_read/write() Philippe Mathieu-Daudé
2025-10-02 8:41 ` [PATCH v4 14/17] system/physmem: Avoid cpu_physical_memory_rw when is_write is constant Philippe Mathieu-Daudé
2025-10-02 8:42 ` [PATCH v4 15/17] system/physmem: Remove legacy cpu_physical_memory_rw() Philippe Mathieu-Daudé
2025-10-02 8:42 ` Philippe Mathieu-Daudé [this message]
2025-10-02 8:42 ` [PATCH v4 17/17] hw/virtio/virtio: Replace legacy cpu_physical_memory_map() call Philippe Mathieu-Daudé
2025-10-03 20:42 ` [PATCH v4 00/17] system/physmem: Remove cpu_physical_memory _is_io() and _rw() Philippe Mathieu-Daudé
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