diff options
Diffstat (limited to 'hw/rdma')
| -rw-r--r-- | hw/rdma/rdma_backend.c | 21 | ||||
| -rw-r--r-- | hw/rdma/rdma_backend.h | 5 | ||||
| -rw-r--r-- | hw/rdma/rdma_rm.c | 13 |
3 files changed, 20 insertions, 19 deletions
diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c index b7ffbef..3dd39fe 100644 --- a/hw/rdma/rdma_backend.c +++ b/hw/rdma/rdma_backend.c @@ -377,6 +377,7 @@ static void ah_cache_init(void) destroy_ah_hash_key, destroy_ah_hast_data); } +#ifdef LEGACY_RDMA_REG_MR static int build_host_sge_array(RdmaDeviceResources *rdma_dev_res, struct ibv_sge *sge, uint8_t num_sge, uint64_t *total_length) @@ -391,9 +392,7 @@ static int build_host_sge_array(RdmaDeviceResources *rdma_dev_res, return VENDOR_ERR_INVLKEY | sge[idx].lkey; } -#ifdef LEGACY_RDMA_REG_MR sge[idx].addr = (uintptr_t)mr->virt + sge[idx].addr - mr->start; -#endif sge[idx].lkey = rdma_backend_mr_lkey(&mr->backend_mr); *total_length += sge[idx].length; @@ -401,6 +400,19 @@ static int build_host_sge_array(RdmaDeviceResources *rdma_dev_res, return 0; } +#else +static inline int build_host_sge_array(RdmaDeviceResources *rdma_dev_res, + struct ibv_sge *sge, uint8_t num_sge, + uint64_t *total_length) +{ + int idx; + + for (idx = 0; idx < num_sge; idx++) { + *total_length += sge[idx].length; + } + return 0; +} +#endif static void trace_mad_message(const char *title, char *buf, int len) { @@ -731,13 +743,8 @@ 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); diff --git a/hw/rdma/rdma_backend.h b/hw/rdma/rdma_backend.h index 127f96e..225af48 100644 --- a/hw/rdma/rdma_backend.h +++ b/hw/rdma/rdma_backend.h @@ -78,13 +78,8 @@ 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 1524dfa..7e9ea28 100644 --- a/hw/rdma/rdma_rm.c +++ b/hw/rdma/rdma_rm.c @@ -227,21 +227,20 @@ 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; } +#ifdef LEGACY_RDMA_REG_MR + /* We keep mr_handle in lkey so send and recv get get mr ptr */ + *lkey = *mr_handle; +#else + *lkey = rdma_backend_mr_lkey(&mr->backend_mr); +#endif } - /* We keep mr_handle in lkey so send and recv get get mr ptr */ - *lkey = *mr_handle; *rkey = -1; mr->pd_handle = pd_handle; |