diff options
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/rdma.c | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/migration/rdma.c b/migration/rdma.c index 0cf55a6d5b..972167d899 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -165,20 +165,6 @@ enum { RDMA_CONTROL_UNREGISTER_FINISHED, /* unpinning finished */ }; -static const char *control_desc[] = { - [RDMA_CONTROL_NONE] = "NONE", - [RDMA_CONTROL_ERROR] = "ERROR", - [RDMA_CONTROL_READY] = "READY", - [RDMA_CONTROL_QEMU_FILE] = "QEMU FILE", - [RDMA_CONTROL_RAM_BLOCKS_REQUEST] = "RAM BLOCKS REQUEST", - [RDMA_CONTROL_RAM_BLOCKS_RESULT] = "RAM BLOCKS RESULT", - [RDMA_CONTROL_COMPRESS] = "COMPRESS", - [RDMA_CONTROL_REGISTER_REQUEST] = "REGISTER REQUEST", - [RDMA_CONTROL_REGISTER_RESULT] = "REGISTER RESULT", - [RDMA_CONTROL_REGISTER_FINISHED] = "REGISTER FINISHED", - [RDMA_CONTROL_UNREGISTER_REQUEST] = "UNREGISTER REQUEST", - [RDMA_CONTROL_UNREGISTER_FINISHED] = "UNREGISTER FINISHED", -}; /* * Memory and MR structures used to represent an IB Send/Recv work request. @@ -251,6 +237,30 @@ typedef struct QEMU_PACKED RDMADestBlock { uint32_t padding; } RDMADestBlock; +static const char *control_desc(unsigned int rdma_control) +{ + static const char *strs[] = { + [RDMA_CONTROL_NONE] = "NONE", + [RDMA_CONTROL_ERROR] = "ERROR", + [RDMA_CONTROL_READY] = "READY", + [RDMA_CONTROL_QEMU_FILE] = "QEMU FILE", + [RDMA_CONTROL_RAM_BLOCKS_REQUEST] = "RAM BLOCKS REQUEST", + [RDMA_CONTROL_RAM_BLOCKS_RESULT] = "RAM BLOCKS RESULT", + [RDMA_CONTROL_COMPRESS] = "COMPRESS", + [RDMA_CONTROL_REGISTER_REQUEST] = "REGISTER REQUEST", + [RDMA_CONTROL_REGISTER_RESULT] = "REGISTER RESULT", + [RDMA_CONTROL_REGISTER_FINISHED] = "REGISTER FINISHED", + [RDMA_CONTROL_UNREGISTER_REQUEST] = "UNREGISTER REQUEST", + [RDMA_CONTROL_UNREGISTER_FINISHED] = "UNREGISTER FINISHED", + }; + + if (rdma_control > RDMA_CONTROL_UNREGISTER_FINISHED) { + return "??BAD CONTROL VALUE??"; + } + + return strs[rdma_control]; +} + static uint64_t htonll(uint64_t v) { union { uint32_t lv[2]; uint64_t llv; } u; @@ -1641,7 +1651,7 @@ static int qemu_rdma_post_send_control(RDMAContext *rdma, uint8_t *buf, .num_sge = 1, }; - trace_qemu_rdma_post_send_control(control_desc[head->type]); + trace_qemu_rdma_post_send_control(control_desc(head->type)); /* * We don't actually need to do a memcpy() in here if we used @@ -1720,16 +1730,16 @@ static int qemu_rdma_exchange_get_response(RDMAContext *rdma, network_to_control((void *) rdma->wr_data[idx].control); memcpy(head, rdma->wr_data[idx].control, sizeof(RDMAControlHeader)); - trace_qemu_rdma_exchange_get_response_start(control_desc[expecting]); + trace_qemu_rdma_exchange_get_response_start(control_desc(expecting)); if (expecting == RDMA_CONTROL_NONE) { - trace_qemu_rdma_exchange_get_response_none(control_desc[head->type], + trace_qemu_rdma_exchange_get_response_none(control_desc(head->type), head->type); } else if (head->type != expecting || head->type == RDMA_CONTROL_ERROR) { error_report("Was expecting a %s (%d) control message" ", but got: %s (%d), length: %d", - control_desc[expecting], expecting, - control_desc[head->type], head->type, head->len); + control_desc(expecting), expecting, + control_desc(head->type), head->type, head->len); if (head->type == RDMA_CONTROL_ERROR) { rdma->received_error = true; } @@ -1839,7 +1849,7 @@ static int qemu_rdma_exchange_send(RDMAContext *rdma, RDMAControlHeader *head, } } - trace_qemu_rdma_exchange_send_waiting(control_desc[resp->type]); + trace_qemu_rdma_exchange_send_waiting(control_desc(resp->type)); ret = qemu_rdma_exchange_get_response(rdma, resp, resp->type, RDMA_WRID_DATA); @@ -1851,7 +1861,7 @@ static int qemu_rdma_exchange_send(RDMAContext *rdma, RDMAControlHeader *head, if (resp_idx) { *resp_idx = RDMA_WRID_DATA; } - trace_qemu_rdma_exchange_send_received(control_desc[resp->type]); + trace_qemu_rdma_exchange_send_received(control_desc(resp->type)); } rdma->control_ready_expected = 1; @@ -3401,7 +3411,7 @@ static int qemu_rdma_registration_handle(QEMUFile *f, void *opaque) ret = -EIO; goto out; default: - error_report("Unknown control message %s", control_desc[head.type]); + error_report("Unknown control message %s", control_desc(head.type)); ret = -EIO; goto out; } |