[Qemu-devel] [PATCH 2/3] migration: Fix some 32 bit compiler errors

[Stefan Weil <sw@weilnetz.de>]

The current code won't compile on 32 bit hosts because there are lots
of type casts between pointers and 64 bit integers.

Fix some of them.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
 migration/rdma.c |   23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/migration/rdma.c b/migration/rdma.c
index 67c5701..1512460 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -1104,7 +1104,7 @@ static int qemu_rdma_search_ram_block(RDMAContext *rdma,
  * to perform the actual RDMA operation.
  */
 static int qemu_rdma_register_and_get_keys(RDMAContext *rdma,
-        RDMALocalBlock *block, uint8_t *host_addr,
+        RDMALocalBlock *block, uintptr_t host_addr,
         uint32_t *lkey, uint32_t *rkey, int chunk,
         uint8_t *chunk_start, uint8_t *chunk_end)
 {
@@ -1141,11 +1141,12 @@ static int qemu_rdma_register_and_get_keys(RDMAContext *rdma,
         if (!block->pmr[chunk]) {
             perror("Failed to register chunk!");
             fprintf(stderr, "Chunk details: block: %d chunk index %d"
-                            " start %" PRIu64 " end %" PRIu64 " host %" PRIu64
-                            " local %" PRIu64 " registrations: %d\n",
-                            block->index, chunk, (uint64_t) chunk_start,
-                            (uint64_t) chunk_end, (uint64_t) host_addr,
-                            (uint64_t) block->local_host_addr,
+                            " start %" PRIuPTR " end %" PRIuPTR
+                            " host %" PRIuPTR
+                            " local %" PRIuPTR " registrations: %d\n",
+                            block->index, chunk, (uintptr_t)chunk_start,
+                            (uintptr_t)chunk_end, host_addr,
+                            (uintptr_t)block->local_host_addr,
                             rdma->total_registrations);
             return -1;
         }
@@ -1932,8 +1933,7 @@ retry:
             }
 
             /* try to overlap this single registration with the one we sent. */
-            if (qemu_rdma_register_and_get_keys(rdma, block,
-                                                (uint8_t *) sge.addr,
+            if (qemu_rdma_register_and_get_keys(rdma, block, sge.addr,
                                                 &sge.lkey, NULL, chunk,
                                                 chunk_start, chunk_end)) {
                 error_report("cannot get lkey");
@@ -1952,8 +1952,7 @@ retry:
             block->remote_host_addr = reg_result->host_addr;
         } else {
             /* already registered before */
-            if (qemu_rdma_register_and_get_keys(rdma, block,
-                                                (uint8_t *)sge.addr,
+            if (qemu_rdma_register_and_get_keys(rdma, block, sge.addr,
                                                 &sge.lkey, NULL, chunk,
                                                 chunk_start, chunk_end)) {
                 error_report("cannot get lkey!");
@@ -1965,7 +1964,7 @@ retry:
     } else {
         send_wr.wr.rdma.rkey = block->remote_rkey;
 
-        if (qemu_rdma_register_and_get_keys(rdma, block, (uint8_t *)sge.addr,
+        if (qemu_rdma_register_and_get_keys(rdma, block, sge.addr,
                                                      &sge.lkey, NULL, chunk,
                                                      chunk_start, chunk_end)) {
             error_report("cannot get lkey!");
@@ -3036,7 +3035,7 @@ static int qemu_rdma_registration_handle(QEMUFile *f, void *opaque,
                 chunk_start = ram_chunk_start(block, chunk);
                 chunk_end = ram_chunk_end(block, chunk + reg->chunks);
                 if (qemu_rdma_register_and_get_keys(rdma, block,
-                            (uint8_t *)host_addr, NULL, &reg_result->rkey,
+                            (uintptr_t)host_addr, NULL, &reg_result->rkey,
                             chunk, chunk_start, chunk_end)) {
                     error_report("cannot get rkey");
                     ret = -EINVAL;
-- 
1.7.10.4