diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/virtio/trace-events | 7 | ||||
| -rw-r--r-- | hw/virtio/virtio-mmio.c | 44 |
2 files changed, 28 insertions, 23 deletions
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 60c649c..e28ba48 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -46,3 +46,10 @@ virtio_balloon_handle_output(const char *name, uint64_t gpa) "section name: %s g virtio_balloon_get_config(uint32_t num_pages, uint32_t actual) "num_pages: %d actual: %d" virtio_balloon_set_config(uint32_t actual, uint32_t oldactual) "actual: %d oldactual: %d" virtio_balloon_to_target(uint64_t target, uint32_t num_pages) "balloon target: 0x%"PRIx64" num_pages: %d" + +# virtio-mmio.c +virtio_mmio_read(uint64_t offset) "virtio_mmio_read offset 0x%" PRIx64 +virtio_mmio_write_offset(uint64_t offset, uint64_t value) "virtio_mmio_write offset 0x%" PRIx64 " value 0x%" PRIx64 +virtio_mmio_guest_page(uint64_t size, int shift) "guest page size 0x%" PRIx64 " shift %d" +virtio_mmio_queue_write(uint64_t value, int max_size) "mmio_queue write 0x%" PRIx64 " max %d" +virtio_mmio_setting_irq(int level) "virtio_mmio setting IRQ %d" diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c index 5807aa8..96c762f 100644 --- a/hw/virtio/virtio-mmio.c +++ b/hw/virtio/virtio-mmio.c @@ -27,16 +27,8 @@ #include "sysemu/kvm.h" #include "hw/virtio/virtio-bus.h" #include "qemu/error-report.h" - -/* #define DEBUG_VIRTIO_MMIO */ - -#ifdef DEBUG_VIRTIO_MMIO - -#define DPRINTF(fmt, ...) \ -do { printf("virtio_mmio: " fmt , ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) do {} while (0) -#endif +#include "qemu/log.h" +#include "trace.h" /* QOM macros */ /* virtio-mmio-bus */ @@ -107,7 +99,7 @@ static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size) VirtIOMMIOProxy *proxy = (VirtIOMMIOProxy *)opaque; VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus); - DPRINTF("virtio_mmio_read offset 0x%x\n", (int)offset); + trace_virtio_mmio_read(offset); if (!vdev) { /* If no backend is present, we treat most registers as @@ -144,7 +136,9 @@ static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size) } } if (size != 4) { - DPRINTF("wrong size access to register!\n"); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: wrong size access to register!\n", + __func__); return 0; } switch (offset) { @@ -182,10 +176,12 @@ static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size) case VIRTIO_MMIO_QUEUE_ALIGN: case VIRTIO_MMIO_QUEUE_NOTIFY: case VIRTIO_MMIO_INTERRUPT_ACK: - DPRINTF("read of write-only register\n"); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: read of write-only register\n", + __func__); return 0; default: - DPRINTF("bad register offset\n"); + qemu_log_mask(LOG_GUEST_ERROR, "%s: bad register offset\n", __func__); return 0; } return 0; @@ -197,8 +193,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value, VirtIOMMIOProxy *proxy = (VirtIOMMIOProxy *)opaque; VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus); - DPRINTF("virtio_mmio_write offset 0x%x value 0x%" PRIx64 "\n", - (int)offset, value); + trace_virtio_mmio_write_offset(offset, value); if (!vdev) { /* If no backend is present, we just make all registers @@ -226,7 +221,9 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value, return; } if (size != 4) { - DPRINTF("wrong size access to register!\n"); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: wrong size access to register!\n", + __func__); return; } switch (offset) { @@ -246,8 +243,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value, if (proxy->guest_page_shift > 31) { proxy->guest_page_shift = 0; } - DPRINTF("guest page size %" PRIx64 " shift %d\n", value, - proxy->guest_page_shift); + trace_virtio_mmio_guest_page(value, proxy->guest_page_shift); break; case VIRTIO_MMIO_QUEUE_SEL: if (value < VIRTIO_QUEUE_MAX) { @@ -255,7 +251,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value, } break; case VIRTIO_MMIO_QUEUE_NUM: - DPRINTF("mmio_queue write %d max %d\n", (int)value, VIRTQUEUE_MAX_SIZE); + trace_virtio_mmio_queue_write(value, VIRTQUEUE_MAX_SIZE); virtio_queue_set_num(vdev, vdev->queue_sel, value); /* Note: only call this function for legacy devices */ virtio_queue_update_rings(vdev, vdev->queue_sel); @@ -303,11 +299,13 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value, case VIRTIO_MMIO_DEVICE_FEATURES: case VIRTIO_MMIO_QUEUE_NUM_MAX: case VIRTIO_MMIO_INTERRUPT_STATUS: - DPRINTF("write to readonly register\n"); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: write to readonly register\n", + __func__); break; default: - DPRINTF("bad register offset\n"); + qemu_log_mask(LOG_GUEST_ERROR, "%s: bad register offset\n", __func__); } } @@ -327,7 +325,7 @@ static void virtio_mmio_update_irq(DeviceState *opaque, uint16_t vector) return; } level = (atomic_read(&vdev->isr) != 0); - DPRINTF("virtio_mmio setting IRQ %d\n", level); + trace_virtio_mmio_setting_irq(level); qemu_set_irq(proxy->irq, level); } |