hw/nvme: rename shadow doorbell related trace events

Rename the trace events related to writing the event index and reading
the doorbell value to make it more clear that the event is associated
with an actual update (write or read respectively).

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 78c2f4e..cfe1647 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -1337,8 +1337,9 @@
 static void nvme_update_cq_head(NvmeCQueue *cq)
 {
     pci_dma_read(PCI_DEVICE(cq->ctrl), cq->db_addr, &cq->head,
-            sizeof(cq->head));
-    trace_pci_nvme_shadow_doorbell_cq(cq->cqid, cq->head);
+                 sizeof(cq->head));
+
+    trace_pci_nvme_update_cq_head(cq->cqid, cq->head);
 }
 
 static void nvme_post_cqes(void *opaque)
@@ -6147,16 +6148,18 @@
 
 static void nvme_update_sq_eventidx(const NvmeSQueue *sq)
 {
+    trace_pci_nvme_update_sq_eventidx(sq->sqid, sq->tail);
+
     pci_dma_write(PCI_DEVICE(sq->ctrl), sq->ei_addr, &sq->tail,
                   sizeof(sq->tail));
-    trace_pci_nvme_eventidx_sq(sq->sqid, sq->tail);
 }
 
 static void nvme_update_sq_tail(NvmeSQueue *sq)
 {
     pci_dma_read(PCI_DEVICE(sq->ctrl), sq->db_addr, &sq->tail,
                  sizeof(sq->tail));
-    trace_pci_nvme_shadow_doorbell_sq(sq->sqid, sq->tail);
+
+    trace_pci_nvme_update_sq_tail(sq->sqid, sq->tail);
 }
 
 static void nvme_process_sq(void *opaque)
diff --git a/hw/nvme/trace-events b/hw/nvme/trace-events
index fccb79f..b16f226 100644
--- a/hw/nvme/trace-events
+++ b/hw/nvme/trace-events
@@ -84,8 +84,8 @@
 pci_nvme_enqueue_event_masked(uint8_t typ) "type 0x%"PRIx8""
 pci_nvme_no_outstanding_aers(void) "ignoring event; no outstanding AERs"
 pci_nvme_enqueue_req_completion(uint16_t cid, uint16_t cqid, uint32_t dw0, uint32_t dw1, uint16_t status) "cid %"PRIu16" cqid %"PRIu16" dw0 0x%"PRIx32" dw1 0x%"PRIx32" status 0x%"PRIx16""
-pci_nvme_eventidx_cq(uint16_t cqid, uint16_t new_eventidx) "cqid %"PRIu16" new_eventidx %"PRIu16""
-pci_nvme_eventidx_sq(uint16_t sqid, uint16_t new_eventidx) "sqid %"PRIu16" new_eventidx %"PRIu16""
+pci_nvme_update_cq_eventidx(uint16_t cqid, uint16_t new_eventidx) "cqid %"PRIu16" new_eventidx %"PRIu16""
+pci_nvme_update_sq_eventidx(uint16_t sqid, uint16_t new_eventidx) "sqid %"PRIu16" new_eventidx %"PRIu16""
 pci_nvme_mmio_read(uint64_t addr, unsigned size) "addr 0x%"PRIx64" size %d"
 pci_nvme_mmio_write(uint64_t addr, uint64_t data, unsigned size) "addr 0x%"PRIx64" data 0x%"PRIx64" size %d"
 pci_nvme_mmio_doorbell_cq(uint16_t cqid, uint16_t new_head) "cqid %"PRIu16" new_head %"PRIu16""
@@ -102,8 +102,8 @@
 pci_nvme_mmio_stopped(void) "cleared controller enable bit"
 pci_nvme_mmio_shutdown_set(void) "shutdown bit set"
 pci_nvme_mmio_shutdown_cleared(void) "shutdown bit cleared"
-pci_nvme_shadow_doorbell_cq(uint16_t cqid, uint16_t new_shadow_doorbell) "cqid %"PRIu16" new_shadow_doorbell %"PRIu16""
-pci_nvme_shadow_doorbell_sq(uint16_t sqid, uint16_t new_shadow_doorbell) "sqid %"PRIu16" new_shadow_doorbell %"PRIu16""
+pci_nvme_update_cq_head(uint16_t cqid, uint16_t new_head) "cqid %"PRIu16" new_head %"PRIu16""
+pci_nvme_update_sq_tail(uint16_t sqid, uint16_t new_tail) "sqid %"PRIu16" new_tail %"PRIu16""
 pci_nvme_open_zone(uint64_t slba, uint32_t zone_idx, int all) "open zone, slba=%"PRIu64", idx=%"PRIu32", all=%"PRIi32""
 pci_nvme_close_zone(uint64_t slba, uint32_t zone_idx, int all) "close zone, slba=%"PRIu64", idx=%"PRIu32", all=%"PRIi32""
 pci_nvme_finish_zone(uint64_t slba, uint32_t zone_idx, int all) "finish zone, slba=%"PRIu64", idx=%"PRIu32", all=%"PRIi32""