diff options
Diffstat (limited to 'qemu/include/hw/xen/xen_common.h')
| -rw-r--r-- | qemu/include/hw/xen/xen_common.h | 372 |
1 files changed, 0 insertions, 372 deletions
diff --git a/qemu/include/hw/xen/xen_common.h b/qemu/include/hw/xen/xen_common.h deleted file mode 100644 index bd65e6705..000000000 --- a/qemu/include/hw/xen/xen_common.h +++ /dev/null @@ -1,372 +0,0 @@ -#ifndef QEMU_HW_XEN_COMMON_H -#define QEMU_HW_XEN_COMMON_H 1 - - - -/* - * If we have new enough libxenctrl then we do not want/need these compat - * interfaces, despite what the user supplied cflags might say. They - * must be undefined before including xenctrl.h - */ -#undef XC_WANT_COMPAT_EVTCHN_API -#undef XC_WANT_COMPAT_GNTTAB_API -#undef XC_WANT_COMPAT_MAP_FOREIGN_API - -#include <xenctrl.h> -#include <xenstore.h> -#include <xen/io/xenbus.h> - -#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 4.2.0. - */ - -/* Xen 4.2 thru 4.6 */ -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 471 - -typedef xc_interface xenforeignmemory_handle; -typedef xc_evtchn xenevtchn_handle; -typedef xc_gnttab xengnttab_handle; - -#define xenevtchn_open(l, f) xc_evtchn_open(l, f); -#define xenevtchn_close(h) xc_evtchn_close(h) -#define xenevtchn_fd(h) xc_evtchn_fd(h) -#define xenevtchn_pending(h) xc_evtchn_pending(h) -#define xenevtchn_notify(h, p) xc_evtchn_notify(h, p) -#define xenevtchn_bind_interdomain(h, d, p) xc_evtchn_bind_interdomain(h, d, p) -#define xenevtchn_unmask(h, p) xc_evtchn_unmask(h, p) -#define xenevtchn_unbind(h, p) xc_evtchn_unbind(h, p) - -#define xengnttab_open(l, f) xc_gnttab_open(l, f) -#define xengnttab_close(h) xc_gnttab_close(h) -#define xengnttab_set_max_grants(h, n) xc_gnttab_set_max_grants(h, n) -#define xengnttab_map_grant_ref(h, d, r, p) xc_gnttab_map_grant_ref(h, d, r, p) -#define xengnttab_unmap(h, a, n) xc_gnttab_munmap(h, a, n) -#define xengnttab_map_grant_refs(h, c, d, r, p) \ - xc_gnttab_map_grant_refs(h, c, d, r, p) - -#define xenforeignmemory_open(l, f) xen_xc - -static inline void *xenforeignmemory_map(xc_interface *h, uint32_t dom, - int prot, size_t pages, - const xen_pfn_t arr[/*pages*/], - int err[/*pages*/]) -{ - if (err) - return xc_map_foreign_bulk(h, dom, prot, arr, err, pages); - else - return xc_map_foreign_pages(h, dom, prot, arr, pages); -} - -#define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE) - -#else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 471 */ - -#include <xenevtchn.h> -#include <xengnttab.h> -#include <xenforeignmemory.h> - -#endif - -void destroy_hvm_domain(bool reboot); - -/* shutdown/destroy current domain because of an error */ -void xen_shutdown_fatal_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); - -#ifdef HVM_PARAM_VMPORT_REGS_PFN -static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom, - xen_pfn_t *vmport_regs_pfn) -{ - int rc; - uint64_t value; - rc = xc_hvm_param_get(xc, dom, HVM_PARAM_VMPORT_REGS_PFN, &value); - if (rc >= 0) { - *vmport_regs_pfn = (xen_pfn_t) value; - } - return rc; -} -#else -static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom, - xen_pfn_t *vmport_regs_pfn) -{ - return -ENOSYS; -} -#endif - -/* Xen before 4.6 */ -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460 - -#ifndef HVM_IOREQSRV_BUFIOREQ_ATOMIC -#define HVM_IOREQSRV_BUFIOREQ_ATOMIC 2 -#endif - -#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 uint16_t ioservid_t; - -static inline void xen_map_memory_section(xc_interface *xc, domid_t dom, - ioservid_t ioservid, - MemoryRegionSection *section) -{ -} - -static inline void xen_unmap_memory_section(xc_interface *xc, domid_t dom, - ioservid_t ioservid, - MemoryRegionSection *section) -{ -} - -static inline void xen_map_io_section(xc_interface *xc, domid_t dom, - ioservid_t ioservid, - MemoryRegionSection *section) -{ -} - -static inline void xen_unmap_io_section(xc_interface *xc, domid_t dom, - ioservid_t ioservid, - MemoryRegionSection *section) -{ -} - -static inline void xen_map_pcidev(xc_interface *xc, domid_t dom, - ioservid_t ioservid, - PCIDevice *pci_dev) -{ -} - -static inline void xen_unmap_pcidev(xc_interface *xc, domid_t dom, - ioservid_t ioservid, - PCIDevice *pci_dev) -{ -} - -static inline int xen_create_ioreq_server(xc_interface *xc, domid_t dom, - ioservid_t *ioservid) -{ - return 0; -} - -static inline void xen_destroy_ioreq_server(xc_interface *xc, domid_t dom, - ioservid_t ioservid) -{ -} - -static inline int xen_get_ioreq_server_info(xc_interface *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(xc_interface *xc, domid_t dom, - ioservid_t ioservid, - bool enable) -{ - return 0; -} - -/* Xen 4.5 */ -#else - -static inline void xen_map_memory_section(xc_interface *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(xc_interface *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(xc_interface *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(xc_interface *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(xc_interface *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(xc_interface *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(xc_interface *xc, domid_t dom, - ioservid_t *ioservid) -{ - int rc = xc_hvm_create_ioreq_server(xc, dom, HVM_IOREQSRV_BUFIOREQ_ATOMIC, - ioservid); - - if (rc == 0) { - trace_xen_ioreq_server_create(*ioservid); - } - - return rc; -} - -static inline void xen_destroy_ioreq_server(xc_interface *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(xc_interface *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(xc_interface *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 - -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460 -static inline int xen_xc_domain_add_to_physmap(xc_interface *xch, uint32_t domid, - unsigned int space, - unsigned long idx, - xen_pfn_t gpfn) -{ - return xc_domain_add_to_physmap(xch, domid, space, idx, gpfn); -} -#else -static inline int xen_xc_domain_add_to_physmap(xc_interface *xch, uint32_t domid, - unsigned int space, - unsigned long idx, - xen_pfn_t gpfn) -{ - /* In Xen 4.6 rc is -1 and errno contains the error value. */ - int rc = xc_domain_add_to_physmap(xch, domid, space, idx, gpfn); - if (rc == -1) - return errno; - return rc; -} -#endif - -#ifdef CONFIG_XEN_PV_DOMAIN_BUILD -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 470 -static inline int xen_domain_create(xc_interface *xc, uint32_t ssidref, - xen_domain_handle_t handle, uint32_t flags, - uint32_t *pdomid) -{ - return xc_domain_create(xc, ssidref, handle, flags, pdomid); -} -#else -static inline int xen_domain_create(xc_interface *xc, uint32_t ssidref, - xen_domain_handle_t handle, uint32_t flags, - uint32_t *pdomid) -{ - return xc_domain_create(xc, ssidref, handle, flags, pdomid, NULL); -} -#endif -#endif - -#endif /* QEMU_HW_XEN_COMMON_H */ |