[PATCH 25/40] vdpa: add asid to dma_batch_once API

[Si-Wei Liu]

So that DMA batching API can operate on other ASID than 0.

Signed-off-by: Si-Wei Liu <si-wei....@oracle.com>
---
 hw/virtio/trace-events |  4 ++--
 hw/virtio/vhost-vdpa.c | 14 ++++++++------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
index 3411a07..196f32f 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -32,8 +32,8 @@ vhost_user_create_notifier(int idx, void *n) "idx:%d n:%p"
 # vhost-vdpa.c
 vhost_vdpa_dma_map(void *vdpa, int fd, uint32_t msg_type, uint32_t asid, 
uint64_t iova, uint64_t size, uint64_t uaddr, uint8_t perm, uint8_t type) 
"vdpa_shared:%p fd: %d msg_type: %"PRIu32" asid: %"PRIu32" iova: 0x%"PRIx64" 
size: 0x%"PRIx64" uaddr: 0x%"PRIx64" perm: 0x%"PRIx8" type: %"PRIu8
 vhost_vdpa_dma_unmap(void *vdpa, int fd, uint32_t msg_type, uint32_t asid, 
uint64_t iova, uint64_t size, uint8_t type) "vdpa_shared:%p fd: %d msg_type: 
%"PRIu32" asid: %"PRIu32" iova: 0x%"PRIx64" size: 0x%"PRIx64" type: %"PRIu8
-vhost_vdpa_map_batch_begin(void *v, int fd, uint32_t msg_type, uint8_t type)  
"vdpa_shared:%p fd: %d msg_type: %"PRIu32" type: %"PRIu8
-vhost_vdpa_dma_batch_end(void *v, int fd, uint32_t msg_type, uint8_t type)  
"vdpa_shared:%p fd: %d msg_type: %"PRIu32" type: %"PRIu8
+vhost_vdpa_map_batch_begin(void *v, int fd, uint32_t msg_type, uint8_t type, 
uint32_t asid)  "vdpa_shared:%p fd: %d msg_type: %"PRIu32" type: %"PRIu8" asid: 
%"PRIu32
+vhost_vdpa_dma_batch_end(void *v, int fd, uint32_t msg_type, uint8_t type, 
uint32_t asid)  "vdpa_shared:%p fd: %d msg_type: %"PRIu32" type: %"PRIu8" asid: 
%"PRIu32
 vhost_vdpa_listener_region_add_unaligned(void *v, const char *name, uint64_t 
offset_as, uint64_t offset_page) "vdpa_shared: %p region %s 
offset_within_address_space %"PRIu64" offset_within_region %"PRIu64
 vhost_vdpa_listener_region_add(void *vdpa, uint64_t iova, uint64_t llend, void 
*vaddr, bool readonly) "vdpa: %p iova 0x%"PRIx64" llend 0x%"PRIx64" vaddr: %p 
read-only: %d"
 vhost_vdpa_listener_region_del_unaligned(void *v, const char *name, uint64_t 
offset_as, uint64_t offset_page) "vdpa_shared: %p region %s 
offset_within_address_space %"PRIu64" offset_within_region %"PRIu64
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 999a97a..2db2832 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -161,11 +161,12 @@ int vhost_vdpa_dma_unmap(VhostVDPAShared *s, uint32_t 
asid, hwaddr iova,
     return ret;
 }
 
-static bool vhost_vdpa_map_batch_begin(VhostVDPAShared *s)
+static bool vhost_vdpa_map_batch_begin(VhostVDPAShared *s, uint32_t asid)
 {
     int fd = s->device_fd;
     struct vhost_msg_v2 msg = {
         .type = VHOST_IOTLB_MSG_V2,
+        .asid = asid,
         .iotlb.type = VHOST_IOTLB_BATCH_BEGIN,
     };
 
@@ -178,7 +179,7 @@ static bool vhost_vdpa_map_batch_begin(VhostVDPAShared *s)
         return false;
     }
 
-    trace_vhost_vdpa_map_batch_begin(s, fd, msg.type, msg.iotlb.type);
+    trace_vhost_vdpa_map_batch_begin(s, fd, msg.type, msg.iotlb.type, 
msg.asid);
     if (write(fd, &msg, sizeof(msg)) != sizeof(msg)) {
         error_report("failed to write, fd=%d, errno=%d (%s)",
                      fd, errno, strerror(errno));
@@ -193,17 +194,18 @@ static void 
vhost_vdpa_dma_batch_begin_once(VhostVDPAShared *s)
         return;
     }
 
-    if (vhost_vdpa_map_batch_begin(s)) {
+    if (vhost_vdpa_map_batch_begin(s, 0)) {
         s->iotlb_batch_begin_sent = true;
     }
 }
 
-static bool vhost_vdpa_dma_batch_end(VhostVDPAShared *s)
+static bool vhost_vdpa_dma_batch_end(VhostVDPAShared *s, uint32_t asid)
 {
     struct vhost_msg_v2 msg = {};
     int fd = s->device_fd;
 
     msg.type = VHOST_IOTLB_MSG_V2;
+    msg.asid = asid;
     msg.iotlb.type = VHOST_IOTLB_BATCH_END;
 
     if (s->map_thread_enabled && !qemu_thread_is_self(&s->map_thread)) {
@@ -215,7 +217,7 @@ static bool vhost_vdpa_dma_batch_end(VhostVDPAShared *s)
         return false;
     }
 
-    trace_vhost_vdpa_dma_batch_end(s, fd, msg.type, msg.iotlb.type);
+    trace_vhost_vdpa_dma_batch_end(s, fd, msg.type, msg.iotlb.type, msg.asid);
     if (write(fd, &msg, sizeof(msg)) != sizeof(msg)) {
         error_report("failed to write, fd=%d, errno=%d (%s)",
                      fd, errno, strerror(errno));
@@ -233,7 +235,7 @@ static void vhost_vdpa_dma_batch_end_once(VhostVDPAShared 
*s)
         return;
     }
 
-    if (vhost_vdpa_dma_batch_end(s)) {
+    if (vhost_vdpa_dma_batch_end(s, 0)) {
         s->iotlb_batch_begin_sent = false;
     }
 }
-- 
1.8.3.1