diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/pci.c | 25 | ||||
| -rw-r--r-- | hw/pci.h | 2 | ||||
| -rw-r--r-- | hw/spapr_iommu.c | 3 | ||||
| -rw-r--r-- | hw/vfio_pci.c | 32 | ||||
| -rw-r--r-- | hw/vhost.c | 5 | ||||
| -rw-r--r-- | hw/xen_pt.c | 47 | ||||
| -rw-r--r-- | hw/xen_pt.h | 1 |
7 files changed, 51 insertions, 64 deletions
diff --git a/hw/pci.c b/hw/pci.c index 2ca6ff6fec..7eeaac0d3d 100644 --- a/hw/pci.c +++ b/hw/pci.c @@ -33,6 +33,7 @@ #include "qmp-commands.h" #include "msi.h" #include "msix.h" +#include "exec-memory.h" //#define DEBUG_PCI #ifdef DEBUG_PCI @@ -777,6 +778,17 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, pci_dev->bus = bus; if (bus->dma_context_fn) { pci_dev->dma = bus->dma_context_fn(bus, bus->dma_context_opaque, devfn); + } else { + /* FIXME: Make dma_context_fn use MemoryRegions instead, so this path is + * taken unconditionally */ + /* FIXME: inherit memory region from bus creator */ + memory_region_init_alias(&pci_dev->bus_master_enable_region, "bus master", + get_system_memory(), 0, + memory_region_size(get_system_memory())); + memory_region_set_enabled(&pci_dev->bus_master_enable_region, false); + address_space_init(&pci_dev->bus_master_as, &pci_dev->bus_master_enable_region); + pci_dev->dma = g_new(DMAContext, 1); + dma_context_init(pci_dev->dma, &pci_dev->bus_master_as, NULL, NULL, NULL); } pci_dev->devfn = devfn; pstrcpy(pci_dev->name, sizeof(pci_dev->name), name); @@ -830,6 +842,13 @@ static void do_pci_unregister_device(PCIDevice *pci_dev) qemu_free_irqs(pci_dev->irq); pci_dev->bus->devices[pci_dev->devfn] = NULL; pci_config_free(pci_dev); + + if (!pci_dev->bus->dma_context_fn) { + address_space_destroy(&pci_dev->bus_master_as); + memory_region_destroy(&pci_dev->bus_master_enable_region); + g_free(pci_dev->dma); + pci_dev->dma = NULL; + } } static void pci_unregister_io_regions(PCIDevice *pci_dev) @@ -1051,8 +1070,12 @@ void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l) range_covers_byte(addr, l, PCI_COMMAND)) pci_update_mappings(d); - if (range_covers_byte(addr, l, PCI_COMMAND)) + if (range_covers_byte(addr, l, PCI_COMMAND)) { pci_update_irq_disabled(d, was_irq_disabled); + memory_region_set_enabled(&d->bus_master_enable_region, + pci_get_word(d->config + PCI_COMMAND) + & PCI_COMMAND_MASTER); + } msi_write_config(d, addr, val, l); msix_write_config(d, addr, val, l); diff --git a/hw/pci.h b/hw/pci.h index d50d26c8ac..1f902f5b59 100644 --- a/hw/pci.h +++ b/hw/pci.h @@ -211,6 +211,8 @@ struct PCIDevice { int32_t devfn; char name[64]; PCIIORegion io_regions[PCI_NUM_REGIONS]; + AddressSpace bus_master_as; + MemoryRegion bus_master_enable_region; DMAContext *dma; /* do not access the following fields */ diff --git a/hw/spapr_iommu.c b/hw/spapr_iommu.c index 38034c07bd..33f84e27aa 100644 --- a/hw/spapr_iommu.c +++ b/hw/spapr_iommu.c @@ -21,6 +21,7 @@ #include "qdev.h" #include "kvm_ppc.h" #include "dma.h" +#include "exec-memory.h" #include "hw/spapr.h" @@ -124,7 +125,7 @@ DMAContext *spapr_tce_new_dma_context(uint32_t liobn, size_t window_size) } tcet = g_malloc0(sizeof(*tcet)); - dma_context_init(&tcet->dma, spapr_tce_translate, NULL, NULL); + dma_context_init(&tcet->dma, &address_space_memory, spapr_tce_translate, NULL, NULL); tcet->liobn = liobn; tcet->window_size = window_size; diff --git a/hw/vfio_pci.c b/hw/vfio_pci.c index 639371e7a2..f5db4a8567 100644 --- a/hw/vfio_pci.c +++ b/hw/vfio_pci.c @@ -930,25 +930,6 @@ static int vfio_dma_map(VFIOContainer *container, target_phys_addr_t iova, return -errno; } -static void vfio_listener_dummy1(MemoryListener *listener) -{ - /* We don't do batching (begin/commit) or care about logging */ -} - -static void vfio_listener_dummy2(MemoryListener *listener, - MemoryRegionSection *section) -{ - /* We don't do logging or care about nops */ -} - -static void vfio_listener_dummy3(MemoryListener *listener, - MemoryRegionSection *section, - bool match_data, uint64_t data, - EventNotifier *e) -{ - /* We don't care about eventfds */ -} - static bool vfio_listener_skipped_section(MemoryRegionSection *section) { return !memory_region_is_ram(section->mr); @@ -1040,18 +1021,8 @@ static void vfio_listener_region_del(MemoryListener *listener, } static MemoryListener vfio_memory_listener = { - .begin = vfio_listener_dummy1, - .commit = vfio_listener_dummy1, .region_add = vfio_listener_region_add, .region_del = vfio_listener_region_del, - .region_nop = vfio_listener_dummy2, - .log_start = vfio_listener_dummy2, - .log_stop = vfio_listener_dummy2, - .log_sync = vfio_listener_dummy2, - .log_global_start = vfio_listener_dummy1, - .log_global_stop = vfio_listener_dummy1, - .eventfd_add = vfio_listener_dummy3, - .eventfd_del = vfio_listener_dummy3, }; static void vfio_listener_release(VFIOContainer *container) @@ -1536,8 +1507,7 @@ static int vfio_connect_container(VFIOGroup *group) container->iommu_data.listener = vfio_memory_listener; container->iommu_data.release = vfio_listener_release; - memory_listener_register(&container->iommu_data.listener, - get_system_memory()); + memory_listener_register(&container->iommu_data.listener, &address_space_memory); } else { error_report("vfio: No available IOMMU models\n"); g_free(container); diff --git a/hw/vhost.c b/hw/vhost.c index d0ce5aad9b..0b4ac3f1df 100644 --- a/hw/vhost.c +++ b/hw/vhost.c @@ -434,8 +434,7 @@ static void vhost_set_memory(MemoryListener *listener, static bool vhost_section(MemoryRegionSection *section) { - return section->address_space == get_system_memory() - && memory_region_is_ram(section->mr); + return memory_region_is_ram(section->mr); } static void vhost_begin(MemoryListener *listener) @@ -793,7 +792,7 @@ int vhost_dev_init(struct vhost_dev *hdev, int devfd, const char *devpath, hdev->log_size = 0; hdev->log_enabled = false; hdev->started = false; - memory_listener_register(&hdev->memory_listener, NULL); + memory_listener_register(&hdev->memory_listener, &address_space_memory); hdev->force = force; return 0; fail: diff --git a/hw/xen_pt.c b/hw/xen_pt.c index 838bcea4d6..d3d7c8bc3c 100644 --- a/hw/xen_pt.c +++ b/hw/xen_pt.c @@ -59,6 +59,7 @@ #include "xen_backend.h" #include "xen_pt.h" #include "range.h" +#include "exec-memory.h" #define XEN_PT_NR_IRQS (256) static uint8_t xen_pt_mapped_machine_irq[XEN_PT_NR_IRQS] = {0}; @@ -600,14 +601,6 @@ static void xen_pt_region_update(XenPCIPassthroughState *s, } } -static void xen_pt_begin(MemoryListener *l) -{ -} - -static void xen_pt_commit(MemoryListener *l) -{ -} - static void xen_pt_region_add(MemoryListener *l, MemoryRegionSection *sec) { XenPCIPassthroughState *s = container_of(l, XenPCIPassthroughState, @@ -624,36 +617,31 @@ static void xen_pt_region_del(MemoryListener *l, MemoryRegionSection *sec) xen_pt_region_update(s, sec, false); } -static void xen_pt_region_nop(MemoryListener *l, MemoryRegionSection *s) +static void xen_pt_io_region_add(MemoryListener *l, MemoryRegionSection *sec) { -} + XenPCIPassthroughState *s = container_of(l, XenPCIPassthroughState, + io_listener); -static void xen_pt_log_fns(MemoryListener *l, MemoryRegionSection *s) -{ + xen_pt_region_update(s, sec, true); } -static void xen_pt_log_global_fns(MemoryListener *l) +static void xen_pt_io_region_del(MemoryListener *l, MemoryRegionSection *sec) { -} + XenPCIPassthroughState *s = container_of(l, XenPCIPassthroughState, + io_listener); -static void xen_pt_eventfd_fns(MemoryListener *l, MemoryRegionSection *s, - bool match_data, uint64_t data, EventNotifier *n) -{ + xen_pt_region_update(s, sec, false); } static const MemoryListener xen_pt_memory_listener = { - .begin = xen_pt_begin, - .commit = xen_pt_commit, .region_add = xen_pt_region_add, - .region_nop = xen_pt_region_nop, .region_del = xen_pt_region_del, - .log_start = xen_pt_log_fns, - .log_stop = xen_pt_log_fns, - .log_sync = xen_pt_log_fns, - .log_global_start = xen_pt_log_global_fns, - .log_global_stop = xen_pt_log_global_fns, - .eventfd_add = xen_pt_eventfd_fns, - .eventfd_del = xen_pt_eventfd_fns, + .priority = 10, +}; + +static const MemoryListener xen_pt_io_listener = { + .region_add = xen_pt_io_region_add, + .region_del = xen_pt_io_region_del, .priority = 10, }; @@ -694,6 +682,7 @@ static int xen_pt_initfn(PCIDevice *d) } s->memory_listener = xen_pt_memory_listener; + s->io_listener = xen_pt_io_listener; /* Handle real device's MMIO/PIO BARs */ xen_pt_register_regions(s); @@ -760,7 +749,8 @@ static int xen_pt_initfn(PCIDevice *d) } out: - memory_listener_register(&s->memory_listener, NULL); + memory_listener_register(&s->memory_listener, &address_space_memory); + memory_listener_register(&s->io_listener, &address_space_io); XEN_PT_LOG(d, "Real physical device %02x:%02x.%d registered successfuly!\n", bus, slot, func); @@ -815,6 +805,7 @@ static void xen_pt_unregister_device(PCIDevice *d) xen_pt_unregister_regions(s); memory_listener_unregister(&s->memory_listener); + memory_listener_unregister(&s->io_listener); xen_host_pci_device_put(&s->real_device); } diff --git a/hw/xen_pt.h b/hw/xen_pt.h index 112477a881..f15e69a290 100644 --- a/hw/xen_pt.h +++ b/hw/xen_pt.h @@ -209,6 +209,7 @@ struct XenPCIPassthroughState { MemoryRegion rom; MemoryListener memory_listener; + MemoryListener io_listener; }; int xen_pt_config_init(XenPCIPassthroughState *s); |