diff options
Diffstat (limited to 'include/hw/xen/xen_common.h')
| -rw-r--r-- | include/hw/xen/xen_common.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index 95612a40c1..519696f255 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -16,7 +16,9 @@ #include "hw/hw.h" #include "hw/xen/xen.h" +#include "hw/pci/pci.h" #include "qemu/queue.h" +#include "trace.h" /* * We don't support Xen prior to 3.3.0. @@ -179,4 +181,225 @@ static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom, } #endif +/* Xen before 4.5 */ +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 450 + +#ifndef HVM_PARAM_BUFIOREQ_EVTCHN +#define HVM_PARAM_BUFIOREQ_EVTCHN 26 +#endif + +#define IOREQ_TYPE_PCI_CONFIG 2 + +typedef uint32_t ioservid_t; + +static inline void xen_map_memory_section(XenXC xc, domid_t dom, + ioservid_t ioservid, + MemoryRegionSection *section) +{ +} + +static inline void xen_unmap_memory_section(XenXC xc, domid_t dom, + ioservid_t ioservid, + MemoryRegionSection *section) +{ +} + +static inline void xen_map_io_section(XenXC xc, domid_t dom, + ioservid_t ioservid, + MemoryRegionSection *section) +{ +} + +static inline void xen_unmap_io_section(XenXC xc, domid_t dom, + ioservid_t ioservid, + MemoryRegionSection *section) +{ +} + +static inline void xen_map_pcidev(XenXC xc, domid_t dom, + ioservid_t ioservid, + PCIDevice *pci_dev) +{ +} + +static inline void xen_unmap_pcidev(XenXC xc, domid_t dom, + ioservid_t ioservid, + PCIDevice *pci_dev) +{ +} + +static inline int xen_create_ioreq_server(XenXC xc, domid_t dom, + ioservid_t *ioservid) +{ + return 0; +} + +static inline void xen_destroy_ioreq_server(XenXC xc, domid_t dom, + ioservid_t ioservid) +{ +} + +static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom, + ioservid_t ioservid, + xen_pfn_t *ioreq_pfn, + xen_pfn_t *bufioreq_pfn, + evtchn_port_t *bufioreq_evtchn) +{ + unsigned long param; + int rc; + + rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, ¶m); + if (rc < 0) { + fprintf(stderr, "failed to get HVM_PARAM_IOREQ_PFN\n"); + return -1; + } + + *ioreq_pfn = param; + + rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, ¶m); + if (rc < 0) { + fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_PFN\n"); + return -1; + } + + *bufioreq_pfn = param; + + rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_EVTCHN, + ¶m); + if (rc < 0) { + fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_EVTCHN\n"); + return -1; + } + + *bufioreq_evtchn = param; + + return 0; +} + +static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom, + ioservid_t ioservid, + bool enable) +{ + return 0; +} + +/* Xen 4.5 */ +#else + +static inline void xen_map_memory_section(XenXC xc, domid_t dom, + ioservid_t ioservid, + MemoryRegionSection *section) +{ + hwaddr start_addr = section->offset_within_address_space; + ram_addr_t size = int128_get64(section->size); + hwaddr end_addr = start_addr + size - 1; + + trace_xen_map_mmio_range(ioservid, start_addr, end_addr); + xc_hvm_map_io_range_to_ioreq_server(xc, dom, ioservid, 1, + start_addr, end_addr); +} + +static inline void xen_unmap_memory_section(XenXC xc, domid_t dom, + ioservid_t ioservid, + MemoryRegionSection *section) +{ + hwaddr start_addr = section->offset_within_address_space; + ram_addr_t size = int128_get64(section->size); + hwaddr end_addr = start_addr + size - 1; + + trace_xen_unmap_mmio_range(ioservid, start_addr, end_addr); + xc_hvm_unmap_io_range_from_ioreq_server(xc, dom, ioservid, 1, + start_addr, end_addr); +} + +static inline void xen_map_io_section(XenXC xc, domid_t dom, + ioservid_t ioservid, + MemoryRegionSection *section) +{ + hwaddr start_addr = section->offset_within_address_space; + ram_addr_t size = int128_get64(section->size); + hwaddr end_addr = start_addr + size - 1; + + trace_xen_map_portio_range(ioservid, start_addr, end_addr); + xc_hvm_map_io_range_to_ioreq_server(xc, dom, ioservid, 0, + start_addr, end_addr); +} + +static inline void xen_unmap_io_section(XenXC xc, domid_t dom, + ioservid_t ioservid, + MemoryRegionSection *section) +{ + hwaddr start_addr = section->offset_within_address_space; + ram_addr_t size = int128_get64(section->size); + hwaddr end_addr = start_addr + size - 1; + + trace_xen_unmap_portio_range(ioservid, start_addr, end_addr); + xc_hvm_unmap_io_range_from_ioreq_server(xc, dom, ioservid, 0, + start_addr, end_addr); +} + +static inline void xen_map_pcidev(XenXC xc, domid_t dom, + ioservid_t ioservid, + PCIDevice *pci_dev) +{ + trace_xen_map_pcidev(ioservid, pci_bus_num(pci_dev->bus), + PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); + xc_hvm_map_pcidev_to_ioreq_server(xc, dom, ioservid, + 0, pci_bus_num(pci_dev->bus), + PCI_SLOT(pci_dev->devfn), + PCI_FUNC(pci_dev->devfn)); +} + +static inline void xen_unmap_pcidev(XenXC xc, domid_t dom, + ioservid_t ioservid, + PCIDevice *pci_dev) +{ + trace_xen_unmap_pcidev(ioservid, pci_bus_num(pci_dev->bus), + PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); + xc_hvm_unmap_pcidev_from_ioreq_server(xc, dom, ioservid, + 0, pci_bus_num(pci_dev->bus), + PCI_SLOT(pci_dev->devfn), + PCI_FUNC(pci_dev->devfn)); +} + +static inline int xen_create_ioreq_server(XenXC xc, domid_t dom, + ioservid_t *ioservid) +{ + int rc = xc_hvm_create_ioreq_server(xc, dom, 1, ioservid); + + if (rc == 0) { + trace_xen_ioreq_server_create(*ioservid); + } + + return rc; +} + +static inline void xen_destroy_ioreq_server(XenXC xc, domid_t dom, + ioservid_t ioservid) +{ + trace_xen_ioreq_server_destroy(ioservid); + xc_hvm_destroy_ioreq_server(xc, dom, ioservid); +} + +static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom, + ioservid_t ioservid, + xen_pfn_t *ioreq_pfn, + xen_pfn_t *bufioreq_pfn, + evtchn_port_t *bufioreq_evtchn) +{ + return xc_hvm_get_ioreq_server_info(xc, dom, ioservid, + ioreq_pfn, bufioreq_pfn, + bufioreq_evtchn); +} + +static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom, + ioservid_t ioservid, + bool enable) +{ + trace_xen_ioreq_server_state(ioservid, enable); + return xc_hvm_set_ioreq_server_state(xc, dom, ioservid, enable); +} + +#endif + #endif /* QEMU_HW_XEN_COMMON_H */ |