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-rw-r--r--hw/rdma/rdma_backend.c13
-rw-r--r--hw/rdma/rdma_backend.h5
-rw-r--r--hw/rdma/rdma_rm.c5
-rw-r--r--hw/rdma/vmw/pvrdma_main.c6
4 files changed, 29 insertions, 0 deletions
diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c
index c39051068d..c346407cd3 100644
--- a/hw/rdma/rdma_backend.c
+++ b/hw/rdma/rdma_backend.c
@@ -391,7 +391,11 @@ static int build_host_sge_array(RdmaDeviceResources *rdma_dev_res,
return VENDOR_ERR_INVLKEY | ssge[ssge_idx].lkey;
}
+#ifdef LEGACY_RDMA_REG_MR
dsge->addr = (uintptr_t)mr->virt + ssge[ssge_idx].addr - mr->start;
+#else
+ dsge->addr = ssge[ssge_idx].addr;
+#endif
dsge->length = ssge[ssge_idx].length;
dsge->lkey = rdma_backend_mr_lkey(&mr->backend_mr);
@@ -735,10 +739,19 @@ void rdma_backend_destroy_pd(RdmaBackendPD *pd)
}
}
+#ifdef LEGACY_RDMA_REG_MR
int rdma_backend_create_mr(RdmaBackendMR *mr, RdmaBackendPD *pd, void *addr,
size_t length, int access)
+#else
+int rdma_backend_create_mr(RdmaBackendMR *mr, RdmaBackendPD *pd, void *addr,
+ size_t length, uint64_t guest_start, int access)
+#endif
{
+#ifdef LEGACY_RDMA_REG_MR
mr->ibmr = ibv_reg_mr(pd->ibpd, addr, length, access);
+#else
+ mr->ibmr = ibv_reg_mr_iova(pd->ibpd, addr, length, guest_start, access);
+#endif
if (!mr->ibmr) {
rdma_error_report("ibv_reg_mr fail, errno=%d", errno);
return -EIO;
diff --git a/hw/rdma/rdma_backend.h b/hw/rdma/rdma_backend.h
index 7c1a19a2b5..127f96e2d5 100644
--- a/hw/rdma/rdma_backend.h
+++ b/hw/rdma/rdma_backend.h
@@ -78,8 +78,13 @@ int rdma_backend_query_port(RdmaBackendDev *backend_dev,
int rdma_backend_create_pd(RdmaBackendDev *backend_dev, RdmaBackendPD *pd);
void rdma_backend_destroy_pd(RdmaBackendPD *pd);
+#ifdef LEGACY_RDMA_REG_MR
int rdma_backend_create_mr(RdmaBackendMR *mr, RdmaBackendPD *pd, void *addr,
size_t length, int access);
+#else
+int rdma_backend_create_mr(RdmaBackendMR *mr, RdmaBackendPD *pd, void *addr,
+ size_t length, uint64_t guest_start, int access);
+#endif
void rdma_backend_destroy_mr(RdmaBackendMR *mr);
int rdma_backend_create_cq(RdmaBackendDev *backend_dev, RdmaBackendCQ *cq,
diff --git a/hw/rdma/rdma_rm.c b/hw/rdma/rdma_rm.c
index 1927f85472..1524dfaeaa 100644
--- a/hw/rdma/rdma_rm.c
+++ b/hw/rdma/rdma_rm.c
@@ -227,8 +227,13 @@ int rdma_rm_alloc_mr(RdmaDeviceResources *dev_res, uint32_t pd_handle,
mr->length = guest_length;
mr->virt += (mr->start & (TARGET_PAGE_SIZE - 1));
+#ifdef LEGACY_RDMA_REG_MR
ret = rdma_backend_create_mr(&mr->backend_mr, &pd->backend_pd, mr->virt,
mr->length, access_flags);
+#else
+ ret = rdma_backend_create_mr(&mr->backend_mr, &pd->backend_pd, mr->virt,
+ mr->length, guest_start, access_flags);
+#endif
if (ret) {
ret = -EIO;
goto out_dealloc_mr;
diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c
index 3722d9e772..6f0fc405c7 100644
--- a/hw/rdma/vmw/pvrdma_main.c
+++ b/hw/rdma/vmw/pvrdma_main.c
@@ -664,6 +664,12 @@ static void pvrdma_realize(PCIDevice *pdev, Error **errp)
dev->shutdown_notifier.notify = pvrdma_shutdown_notifier;
qemu_register_shutdown_notifier(&dev->shutdown_notifier);
+#ifdef LEGACY_RDMA_REG_MR
+ rdma_info_report("Using legacy reg_mr");
+#else
+ rdma_info_report("Using iova reg_mr");
+#endif
+
out:
if (rc) {
pvrdma_fini(pdev);