hw/pvrdma: Collect debugging statistics

Add counters to enable enhance debugging

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Message-Id: <1552300155-25216-5-git-send-email-yuval.shaia@oracle.com>
Reviewed-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c
index 81ae08bd8d..dd35646324 100644
--- a/hw/rdma/vmw/pvrdma_main.c
+++ b/hw/rdma/vmw/pvrdma_main.c
@@ -337,6 +337,8 @@ static uint64_t pvrdma_regs_read(void *opaque, hwaddr addr, unsigned size)
     PVRDMADev *dev = opaque;
     uint32_t val;
 
+    dev->stats.regs_reads++;
+
     if (get_reg_val(dev, addr, &val)) {
         rdma_error_report("Failed to read REG value from address 0x%x",
                           (uint32_t)addr);
@@ -353,6 +355,8 @@ static void pvrdma_regs_write(void *opaque, hwaddr addr, uint64_t val,
 {
     PVRDMADev *dev = opaque;
 
+    dev->stats.regs_writes++;
+
     if (set_reg_val(dev, addr, val)) {
         rdma_error_report("Failed to set REG value, addr=0x%"PRIx64 ", val=0x%"PRIx64,
                           addr, val);
@@ -421,6 +425,8 @@ static void pvrdma_uar_write(void *opaque, hwaddr addr, uint64_t val,
 {
     PVRDMADev *dev = opaque;
 
+    dev->stats.uar_writes++;
+
     switch (addr & 0xFFF) { /* Mask with 0xFFF as each UC gets page */
     case PVRDMA_UAR_QP_OFFSET:
         if (val & PVRDMA_UAR_QP_SEND) {
@@ -612,6 +618,8 @@ static void pvrdma_realize(PCIDevice *pdev, Error **errp)
         goto out;
     }
 
+    memset(&dev->stats, 0, sizeof(dev->stats));
+
     dev->shutdown_notifier.notify = pvrdma_shutdown_notifier;
     qemu_register_shutdown_notifier(&dev->shutdown_notifier);