From 867c1000bdb321094e712072b769ccc9bb424546 Mon Sep 17 00:00:00 2001 From: Xiao Wang Date: Tue, 7 Jul 2015 09:18:52 +0200 Subject: [PATCH 078/100] virtio-pci: move virtio_pci_add_mem_cap call to virtio_pci_modern_region_map Message-id: <1436260751-25015-50-git-send-email-jasowang@redhat.com> Patchwork-id: 66823 O-Subject: [RHEL7.2 qemu-kvm-rhev PATCH V2 49/68] virtio-pci: move virtio_pci_add_mem_cap call to virtio_pci_modern_region_map Bugzilla: 1227343 RH-Acked-by: Michael S. Tsirkin RH-Acked-by: David Gibson RH-Acked-by: Laurent Vivier RH-Acked-by: Thomas Huth From: Gerd Hoffmann Also fill offset and length automatically, from VirtIOPCIRegion->offset and region size. Signed-off-by: Gerd Hoffmann Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin (cherry picked from commit 54790d71e4adcfaae95dac3c7019b10721e609de) Signed-off-by: Miroslav Rezanina --- hw/virtio/virtio-pci.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 415660a..3b61b21 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1275,11 +1275,16 @@ static void virtio_pci_modern_regions_init(VirtIOPCIProxy *proxy) } static void virtio_pci_modern_region_map(VirtIOPCIProxy *proxy, - VirtIOPCIRegion *region) + VirtIOPCIRegion *region, + struct virtio_pci_cap *cap) { memory_region_add_subregion(&proxy->modern_bar, region->offset, ®ion->mr); + + cap->offset = cpu_to_le32(region->offset); + cap->length = cpu_to_le32(memory_region_size(®ion->mr)); + virtio_pci_add_mem_cap(proxy, cap); } /* This is called by virtio-bus just after the device is plugged. */ @@ -1335,49 +1340,36 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) .cfg_type = VIRTIO_PCI_CAP_COMMON_CFG, .cap_len = sizeof common, .bar = modern_mem_bar, - .offset = cpu_to_le32(0x0), - .length = cpu_to_le32(0x1000), }; struct virtio_pci_cap isr = { .cfg_type = VIRTIO_PCI_CAP_ISR_CFG, .cap_len = sizeof isr, .bar = modern_mem_bar, - .offset = cpu_to_le32(0x1000), - .length = cpu_to_le32(0x1000), }; struct virtio_pci_cap device = { .cfg_type = VIRTIO_PCI_CAP_DEVICE_CFG, .cap_len = sizeof device, .bar = modern_mem_bar, - .offset = cpu_to_le32(0x2000), - .length = cpu_to_le32(0x1000), }; struct virtio_pci_notify_cap notify = { .cap.cfg_type = VIRTIO_PCI_CAP_NOTIFY_CFG, .cap.cap_len = sizeof notify, .cap.bar = modern_mem_bar, - .cap.offset = cpu_to_le32(0x3000), - .cap.length = cpu_to_le32(QEMU_VIRTIO_PCI_QUEUE_MEM_MULT * - VIRTIO_QUEUE_MAX), .notify_off_multiplier = cpu_to_le32(QEMU_VIRTIO_PCI_QUEUE_MEM_MULT), }; /* TODO: add io access for speed */ - virtio_pci_add_mem_cap(proxy, &common); - virtio_pci_add_mem_cap(proxy, &isr); - virtio_pci_add_mem_cap(proxy, &device); - virtio_pci_add_mem_cap(proxy, ¬ify.cap); virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1); memory_region_init(&proxy->modern_bar, OBJECT(proxy), "virtio-pci", 2 * QEMU_VIRTIO_PCI_QUEUE_MEM_MULT * VIRTIO_QUEUE_MAX); virtio_pci_modern_regions_init(proxy); - virtio_pci_modern_region_map(proxy, &proxy->common); - virtio_pci_modern_region_map(proxy, &proxy->isr); - virtio_pci_modern_region_map(proxy, &proxy->device); - virtio_pci_modern_region_map(proxy, &proxy->notify); + virtio_pci_modern_region_map(proxy, &proxy->common, &common); + virtio_pci_modern_region_map(proxy, &proxy->isr, &isr); + virtio_pci_modern_region_map(proxy, &proxy->device, &device); + virtio_pci_modern_region_map(proxy, &proxy->notify, ¬ify.cap); pci_register_bar(&proxy->pci_dev, modern_mem_bar, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_PREFETCH | -- 1.8.3.1