Create a separate routine to allocate base and irq for a device as the same code will be required for each device type.
Suggested-by: Oleksandr Tyshchenko oleksandr_tyshchenko@epam.com Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- tools/libs/light/libxl_arm.c | 41 +++++++++++++++++++++++------------- 1 file changed, 26 insertions(+), 15 deletions(-)
diff --git a/tools/libs/light/libxl_arm.c b/tools/libs/light/libxl_arm.c index 37403a2cebb1..6b95ded82dc3 100644 --- a/tools/libs/light/libxl_arm.c +++ b/tools/libs/light/libxl_arm.c @@ -48,6 +48,24 @@ static uint32_t alloc_virtio_mmio_irq(libxl__gc *gc, uint32_t *virtio_mmio_irq) return irq; }
+static int alloc_virtio_mmio_params(libxl__gc *gc, uint64_t *base, + uint32_t *irq, uint64_t *virtio_mmio_base, + uint32_t *virtio_mmio_irq) +{ + *base = alloc_virtio_mmio_base(gc, virtio_mmio_base); + if (!*base) + return ERROR_FAIL; + + *irq = alloc_virtio_mmio_irq(gc, virtio_mmio_irq); + if (!*irq) + return ERROR_FAIL; + + LOG(DEBUG, "Allocate Virtio MMIO params: IRQ %u BASE 0x%"PRIx64, *irq, + *base); + + return 0; +} + static const char *gicv_to_string(libxl_gic_version gic_version) { switch (gic_version) { @@ -85,25 +103,18 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc, libxl_device_disk *disk = &d_config->disks[i];
if (disk->specification == LIBXL_DISK_SPECIFICATION_VIRTIO) { - disk->base = alloc_virtio_mmio_base(gc, &virtio_mmio_base); - if (!disk->base) - return ERROR_FAIL; - - disk->irq = alloc_virtio_mmio_irq(gc, &virtio_mmio_irq); - if (!disk->irq) - return ERROR_FAIL; - - if (virtio_irq < disk->irq) - virtio_irq = disk->irq; - virtio_enabled = true; - - LOG(DEBUG, "Allocate Virtio MMIO params for Vdev %s: IRQ %u BASE 0x%"PRIx64, - disk->vdev, disk->irq, disk->base); + int rc = alloc_virtio_mmio_params(gc, &disk->base, &disk->irq, + &virtio_mmio_base, &virtio_mmio_irq); + if (rc) + return rc; } }
- if (virtio_enabled) + if (virtio_mmio_irq != GUEST_VIRTIO_MMIO_SPI_FIRST) { + virtio_irq = virtio_mmio_irq - 1; nr_spis += (virtio_irq - 32) + 1; + virtio_enabled = true; + }
for (i = 0; i < d_config->b_info.num_irqs; i++) { uint32_t irq = d_config->b_info.irqs[i];