diff options
Diffstat (limited to 'include/hw/xen/xen_common.h')
| -rw-r--r-- | include/hw/xen/xen_common.h | 345 |
1 files changed, 286 insertions, 59 deletions
diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index dce76ee162..e00ddd7b5b 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -20,12 +20,14 @@ #include "qemu/queue.h" #include "hw/xen/trace.h" +extern xc_interface *xen_xc; + /* * We don't support Xen prior to 4.2.0. */ /* Xen 4.2 through 4.6 */ -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 471 +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40701 typedef xc_interface xenforeignmemory_handle; typedef xc_evtchn xenevtchn_handle; @@ -51,6 +53,7 @@ typedef xc_gnttab xengnttab_handle; xc_gnttab_map_domain_grant_refs(h, c, d, r, p) #define xenforeignmemory_open(l, f) xen_xc +#define xenforeignmemory_close(h) static inline void *xenforeignmemory_map(xc_interface *h, uint32_t dom, int prot, size_t pages, @@ -65,7 +68,7 @@ static inline void *xenforeignmemory_map(xc_interface *h, uint32_t dom, #define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE) -#else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 471 */ +#else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 40701 */ #include <xenevtchn.h> #include <xengnttab.h> @@ -73,6 +76,230 @@ static inline void *xenforeignmemory_map(xc_interface *h, uint32_t dom, #endif +extern xenforeignmemory_handle *xen_fmem; + +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40900 + +typedef xc_interface xendevicemodel_handle; + +static inline xendevicemodel_handle *xendevicemodel_open( + struct xentoollog_logger *logger, unsigned int open_flags) +{ + return xen_xc; +} + +#if CONFIG_XEN_CTRL_INTERFACE_VERSION >= 40500 + +static inline int xendevicemodel_create_ioreq_server( + xendevicemodel_handle *dmod, domid_t domid, int handle_bufioreq, + ioservid_t *id) +{ + return xc_hvm_create_ioreq_server(dmod, domid, handle_bufioreq, + id); +} + +static inline int xendevicemodel_get_ioreq_server_info( + xendevicemodel_handle *dmod, domid_t domid, ioservid_t id, + xen_pfn_t *ioreq_pfn, xen_pfn_t *bufioreq_pfn, + evtchn_port_t *bufioreq_port) +{ + return xc_hvm_get_ioreq_server_info(dmod, domid, id, ioreq_pfn, + bufioreq_pfn, bufioreq_port); +} + +static inline int xendevicemodel_map_io_range_to_ioreq_server( + xendevicemodel_handle *dmod, domid_t domid, ioservid_t id, int is_mmio, + uint64_t start, uint64_t end) +{ + return xc_hvm_map_io_range_to_ioreq_server(dmod, domid, id, is_mmio, + start, end); +} + +static inline int xendevicemodel_unmap_io_range_from_ioreq_server( + xendevicemodel_handle *dmod, domid_t domid, ioservid_t id, int is_mmio, + uint64_t start, uint64_t end) +{ + return xc_hvm_unmap_io_range_from_ioreq_server(dmod, domid, id, is_mmio, + start, end); +} + +static inline int xendevicemodel_map_pcidev_to_ioreq_server( + xendevicemodel_handle *dmod, domid_t domid, ioservid_t id, + uint16_t segment, uint8_t bus, uint8_t device, uint8_t function) +{ + return xc_hvm_map_pcidev_to_ioreq_server(dmod, domid, id, segment, + bus, device, function); +} + +static inline int xendevicemodel_unmap_pcidev_from_ioreq_server( + xendevicemodel_handle *dmod, domid_t domid, ioservid_t id, + uint16_t segment, uint8_t bus, uint8_t device, uint8_t function) +{ + return xc_hvm_unmap_pcidev_from_ioreq_server(dmod, domid, id, segment, + bus, device, function); +} + +static inline int xendevicemodel_destroy_ioreq_server( + xendevicemodel_handle *dmod, domid_t domid, ioservid_t id) +{ + return xc_hvm_destroy_ioreq_server(dmod, domid, id); +} + +static inline int xendevicemodel_set_ioreq_server_state( + xendevicemodel_handle *dmod, domid_t domid, ioservid_t id, int enabled) +{ + return xc_hvm_set_ioreq_server_state(dmod, domid, id, enabled); +} + +#endif /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 40500 */ + +static inline int xendevicemodel_set_pci_intx_level( + xendevicemodel_handle *dmod, domid_t domid, uint16_t segment, + uint8_t bus, uint8_t device, uint8_t intx, unsigned int level) +{ + return xc_hvm_set_pci_intx_level(dmod, domid, segment, bus, device, + intx, level); +} + +static inline int xendevicemodel_set_isa_irq_level( + xendevicemodel_handle *dmod, domid_t domid, uint8_t irq, + unsigned int level) +{ + return xc_hvm_set_isa_irq_level(dmod, domid, irq, level); +} + +static inline int xendevicemodel_set_pci_link_route( + xendevicemodel_handle *dmod, domid_t domid, uint8_t link, uint8_t irq) +{ + return xc_hvm_set_pci_link_route(dmod, domid, link, irq); +} + +static inline int xendevicemodel_inject_msi( + xendevicemodel_handle *dmod, domid_t domid, uint64_t msi_addr, + uint32_t msi_data) +{ + return xc_hvm_inject_msi(dmod, domid, msi_addr, msi_data); +} + +static inline int xendevicemodel_track_dirty_vram( + xendevicemodel_handle *dmod, domid_t domid, uint64_t first_pfn, + uint32_t nr, unsigned long *dirty_bitmap) +{ + return xc_hvm_track_dirty_vram(dmod, domid, first_pfn, nr, + dirty_bitmap); +} + +static inline int xendevicemodel_modified_memory( + xendevicemodel_handle *dmod, domid_t domid, uint64_t first_pfn, + uint32_t nr) +{ + return xc_hvm_modified_memory(dmod, domid, first_pfn, nr); +} + +static inline int xendevicemodel_set_mem_type( + xendevicemodel_handle *dmod, domid_t domid, hvmmem_type_t mem_type, + uint64_t first_pfn, uint32_t nr) +{ + return xc_hvm_set_mem_type(dmod, domid, mem_type, first_pfn, nr); +} + +static inline int xendevicemodel_restrict( + xendevicemodel_handle *dmod, domid_t domid) +{ + errno = ENOTTY; + return -1; +} + +static inline int xenforeignmemory_restrict( + xenforeignmemory_handle *fmem, domid_t domid) +{ + errno = ENOTTY; + return -1; +} + +#else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 40900 */ + +#undef XC_WANT_COMPAT_DEVICEMODEL_API +#include <xendevicemodel.h> + +#endif + +extern xendevicemodel_handle *xen_dmod; + +static inline int xen_set_mem_type(domid_t domid, hvmmem_type_t type, + uint64_t first_pfn, uint32_t nr) +{ + return xendevicemodel_set_mem_type(xen_dmod, domid, type, first_pfn, + nr); +} + +static inline int xen_set_pci_intx_level(domid_t domid, uint16_t segment, + uint8_t bus, uint8_t device, + uint8_t intx, unsigned int level) +{ + return xendevicemodel_set_pci_intx_level(xen_dmod, domid, segment, bus, + device, intx, level); +} + +static inline int xen_set_pci_link_route(domid_t domid, uint8_t link, + uint8_t irq) +{ + return xendevicemodel_set_pci_link_route(xen_dmod, domid, link, irq); +} + +static inline int xen_inject_msi(domid_t domid, uint64_t msi_addr, + uint32_t msi_data) +{ + return xendevicemodel_inject_msi(xen_dmod, domid, msi_addr, msi_data); +} + +static inline int xen_set_isa_irq_level(domid_t domid, uint8_t irq, + unsigned int level) +{ + return xendevicemodel_set_isa_irq_level(xen_dmod, domid, irq, level); +} + +static inline int xen_track_dirty_vram(domid_t domid, uint64_t first_pfn, + uint32_t nr, unsigned long *bitmap) +{ + return xendevicemodel_track_dirty_vram(xen_dmod, domid, first_pfn, nr, + bitmap); +} + +static inline int xen_modified_memory(domid_t domid, uint64_t first_pfn, + uint32_t nr) +{ + return xendevicemodel_modified_memory(xen_dmod, domid, first_pfn, nr); +} + +static inline int xen_restrict(domid_t domid) +{ + int rc; + + /* Attempt to restrict devicemodel operations */ + rc = xendevicemodel_restrict(xen_dmod, domid); + trace_xen_domid_restrict(rc ? errno : 0); + + if (rc < 0) { + /* + * If errno is ENOTTY then restriction is not implemented so + * there's no point in trying to restrict other types of + * operation, but it should not be treated as a failure. + */ + if (errno == ENOTTY) { + return 0; + } + + return rc; + } + + /* Restrict foreignmemory operations */ + rc = xenforeignmemory_restrict(xen_fmem, domid); + trace_xen_domid_restrict(rc ? errno : 0); + + return rc; +} + void destroy_hvm_domain(bool reboot); /* shutdown/destroy current domain because of an error */ @@ -99,7 +326,7 @@ static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom, #endif /* Xen before 4.6 */ -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460 +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40600 #ifndef HVM_IOREQSRV_BUFIOREQ_ATOMIC #define HVM_IOREQSRV_BUFIOREQ_ATOMIC 2 @@ -107,8 +334,7 @@ static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom, #endif -static inline int xen_get_default_ioreq_server_info(xc_interface *xc, - domid_t dom, +static inline int xen_get_default_ioreq_server_info(domid_t dom, xen_pfn_t *ioreq_pfn, xen_pfn_t *bufioreq_pfn, evtchn_port_t @@ -117,7 +343,7 @@ static inline int xen_get_default_ioreq_server_info(xc_interface *xc, unsigned long param; int rc; - rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, ¶m); + rc = xc_get_hvm_param(xen_xc, dom, HVM_PARAM_IOREQ_PFN, ¶m); if (rc < 0) { fprintf(stderr, "failed to get HVM_PARAM_IOREQ_PFN\n"); return -1; @@ -125,7 +351,7 @@ static inline int xen_get_default_ioreq_server_info(xc_interface *xc, *ioreq_pfn = param; - rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, ¶m); + rc = xc_get_hvm_param(xen_xc, dom, HVM_PARAM_BUFIOREQ_PFN, ¶m); if (rc < 0) { fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_PFN\n"); return -1; @@ -133,7 +359,7 @@ static inline int xen_get_default_ioreq_server_info(xc_interface *xc, *bufioreq_pfn = param; - rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_EVTCHN, + rc = xc_get_hvm_param(xen_xc, dom, HVM_PARAM_BUFIOREQ_EVTCHN, ¶m); if (rc < 0) { fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_EVTCHN\n"); @@ -146,7 +372,7 @@ static inline int xen_get_default_ioreq_server_info(xc_interface *xc, } /* Xen before 4.5 */ -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 450 +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40500 #ifndef HVM_PARAM_BUFIOREQ_EVTCHN #define HVM_PARAM_BUFIOREQ_EVTCHN 26 @@ -156,63 +382,64 @@ static inline int xen_get_default_ioreq_server_info(xc_interface *xc, typedef uint16_t ioservid_t; -static inline void xen_map_memory_section(xc_interface *xc, domid_t dom, +static inline void xen_map_memory_section(domid_t dom, ioservid_t ioservid, MemoryRegionSection *section) { } -static inline void xen_unmap_memory_section(xc_interface *xc, domid_t dom, +static inline void xen_unmap_memory_section(domid_t dom, ioservid_t ioservid, MemoryRegionSection *section) { } -static inline void xen_map_io_section(xc_interface *xc, domid_t dom, +static inline void xen_map_io_section(domid_t dom, ioservid_t ioservid, MemoryRegionSection *section) { } -static inline void xen_unmap_io_section(xc_interface *xc, domid_t dom, +static inline void xen_unmap_io_section(domid_t dom, ioservid_t ioservid, MemoryRegionSection *section) { } -static inline void xen_map_pcidev(xc_interface *xc, domid_t dom, +static inline void xen_map_pcidev(domid_t dom, ioservid_t ioservid, PCIDevice *pci_dev) { } -static inline void xen_unmap_pcidev(xc_interface *xc, domid_t dom, +static inline void xen_unmap_pcidev(domid_t dom, ioservid_t ioservid, PCIDevice *pci_dev) { } -static inline void xen_create_ioreq_server(xc_interface *xc, domid_t dom, +static inline void xen_create_ioreq_server(domid_t dom, ioservid_t *ioservid) { } -static inline void xen_destroy_ioreq_server(xc_interface *xc, domid_t dom, +static inline void xen_destroy_ioreq_server(domid_t dom, ioservid_t ioservid) { } -static inline int xen_get_ioreq_server_info(xc_interface *xc, domid_t dom, +static inline int xen_get_ioreq_server_info(domid_t dom, ioservid_t ioservid, xen_pfn_t *ioreq_pfn, xen_pfn_t *bufioreq_pfn, evtchn_port_t *bufioreq_evtchn) { - return xen_get_default_ioreq_server_info(xc, dom, ioreq_pfn, bufioreq_pfn, + return xen_get_default_ioreq_server_info(dom, ioreq_pfn, + bufioreq_pfn, bufioreq_evtchn); } -static inline int xen_set_ioreq_server_state(xc_interface *xc, domid_t dom, +static inline int xen_set_ioreq_server_state(domid_t dom, ioservid_t ioservid, bool enable) { @@ -224,7 +451,7 @@ static inline int xen_set_ioreq_server_state(xc_interface *xc, domid_t dom, static bool use_default_ioreq_server; -static inline void xen_map_memory_section(xc_interface *xc, domid_t dom, +static inline void xen_map_memory_section(domid_t dom, ioservid_t ioservid, MemoryRegionSection *section) { @@ -237,11 +464,11 @@ static inline void xen_map_memory_section(xc_interface *xc, domid_t dom, } 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); + xendevicemodel_map_io_range_to_ioreq_server(xen_dmod, dom, ioservid, 1, + start_addr, end_addr); } -static inline void xen_unmap_memory_section(xc_interface *xc, domid_t dom, +static inline void xen_unmap_memory_section(domid_t dom, ioservid_t ioservid, MemoryRegionSection *section) { @@ -253,13 +480,12 @@ static inline void xen_unmap_memory_section(xc_interface *xc, domid_t dom, return; } - 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); + xendevicemodel_unmap_io_range_from_ioreq_server(xen_dmod, dom, ioservid, + 1, start_addr, end_addr); } -static inline void xen_map_io_section(xc_interface *xc, domid_t dom, +static inline void xen_map_io_section(domid_t dom, ioservid_t ioservid, MemoryRegionSection *section) { @@ -271,13 +497,12 @@ static inline void xen_map_io_section(xc_interface *xc, domid_t dom, return; } - 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); + xendevicemodel_map_io_range_to_ioreq_server(xen_dmod, dom, ioservid, 0, + start_addr, end_addr); } -static inline void xen_unmap_io_section(xc_interface *xc, domid_t dom, +static inline void xen_unmap_io_section(domid_t dom, ioservid_t ioservid, MemoryRegionSection *section) { @@ -290,11 +515,11 @@ static inline void xen_unmap_io_section(xc_interface *xc, domid_t dom, } 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); + xendevicemodel_unmap_io_range_from_ioreq_server(xen_dmod, dom, ioservid, + 0, start_addr, end_addr); } -static inline void xen_map_pcidev(xc_interface *xc, domid_t dom, +static inline void xen_map_pcidev(domid_t dom, ioservid_t ioservid, PCIDevice *pci_dev) { @@ -304,13 +529,13 @@ static inline void xen_map_pcidev(xc_interface *xc, domid_t dom, 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)); + xendevicemodel_map_pcidev_to_ioreq_server(xen_dmod, 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, +static inline void xen_unmap_pcidev(domid_t dom, ioservid_t ioservid, PCIDevice *pci_dev) { @@ -320,17 +545,18 @@ static inline void xen_unmap_pcidev(xc_interface *xc, domid_t dom, 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)); + xendevicemodel_unmap_pcidev_from_ioreq_server(xen_dmod, dom, ioservid, 0, + pci_bus_num(pci_dev->bus), + PCI_SLOT(pci_dev->devfn), + PCI_FUNC(pci_dev->devfn)); } -static inline void xen_create_ioreq_server(xc_interface *xc, domid_t dom, +static inline void xen_create_ioreq_server(domid_t dom, ioservid_t *ioservid) { - int rc = xc_hvm_create_ioreq_server(xc, dom, HVM_IOREQSRV_BUFIOREQ_ATOMIC, - ioservid); + int rc = xendevicemodel_create_ioreq_server(xen_dmod, dom, + HVM_IOREQSRV_BUFIOREQ_ATOMIC, + ioservid); if (rc == 0) { trace_xen_ioreq_server_create(*ioservid); @@ -342,7 +568,7 @@ static inline void xen_create_ioreq_server(xc_interface *xc, domid_t dom, trace_xen_default_ioreq_server(); } -static inline void xen_destroy_ioreq_server(xc_interface *xc, domid_t dom, +static inline void xen_destroy_ioreq_server(domid_t dom, ioservid_t ioservid) { if (use_default_ioreq_server) { @@ -350,27 +576,27 @@ static inline void xen_destroy_ioreq_server(xc_interface *xc, domid_t dom, } trace_xen_ioreq_server_destroy(ioservid); - xc_hvm_destroy_ioreq_server(xc, dom, ioservid); + xendevicemodel_destroy_ioreq_server(xen_dmod, dom, ioservid); } -static inline int xen_get_ioreq_server_info(xc_interface *xc, domid_t dom, +static inline int xen_get_ioreq_server_info(domid_t dom, ioservid_t ioservid, xen_pfn_t *ioreq_pfn, xen_pfn_t *bufioreq_pfn, evtchn_port_t *bufioreq_evtchn) { if (use_default_ioreq_server) { - return xen_get_default_ioreq_server_info(xc, dom, ioreq_pfn, + return xen_get_default_ioreq_server_info(dom, ioreq_pfn, bufioreq_pfn, bufioreq_evtchn); } - return xc_hvm_get_ioreq_server_info(xc, dom, ioservid, - ioreq_pfn, bufioreq_pfn, - bufioreq_evtchn); + return xendevicemodel_get_ioreq_server_info(xen_dmod, dom, ioservid, + ioreq_pfn, bufioreq_pfn, + bufioreq_evtchn); } -static inline int xen_set_ioreq_server_state(xc_interface *xc, domid_t dom, +static inline int xen_set_ioreq_server_state(domid_t dom, ioservid_t ioservid, bool enable) { @@ -379,12 +605,13 @@ static inline int xen_set_ioreq_server_state(xc_interface *xc, domid_t dom, } trace_xen_ioreq_server_state(ioservid, enable); - return xc_hvm_set_ioreq_server_state(xc, dom, ioservid, enable); + return xendevicemodel_set_ioreq_server_state(xen_dmod, dom, ioservid, + enable); } #endif -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460 +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40600 static inline int xen_xc_domain_add_to_physmap(xc_interface *xch, uint32_t domid, unsigned int space, unsigned long idx, @@ -407,7 +634,7 @@ static inline int xen_xc_domain_add_to_physmap(xc_interface *xch, uint32_t domid #endif #ifdef CONFIG_XEN_PV_DOMAIN_BUILD -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 470 +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40700 static inline int xen_domain_create(xc_interface *xc, uint32_t ssidref, xen_domain_handle_t handle, uint32_t flags, uint32_t *pdomid) @@ -426,7 +653,7 @@ static inline int xen_domain_create(xc_interface *xc, uint32_t ssidref, /* Xen before 4.8 */ -#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 480 +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40800 typedef void *xengnttab_grant_copy_segment_t; |