| /****************************************************************************** |
| * arch-ia64/hypervisor-if.h |
| * |
| * Guest OS interface to IA64 Xen. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Copyright by those who contributed. (in alphabetical order) |
| * |
| * Anthony Xu <anthony.xu@intel.com> |
| * Eddie Dong <eddie.dong@intel.com> |
| * Fred Yang <fred.yang@intel.com> |
| * Kevin Tian <kevin.tian@intel.com> |
| * Alex Williamson <alex.williamson@hp.com> |
| * Chris Wright <chrisw@sous-sol.org> |
| * Christian Limpach <Christian.Limpach@cl.cam.ac.uk> |
| * Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com> |
| * Hollis Blanchard <hollisb@us.ibm.com> |
| * Isaku Yamahata <yamahata@valinux.co.jp> |
| * Jan Beulich <jbeulich@novell.com> |
| * John Levon <john.levon@sun.com> |
| * Kazuhiro Suzuki <kaz@jp.fujitsu.com> |
| * Keir Fraser <keir.fraser@citrix.com> |
| * Kouya Shimura <kouya@jp.fujitsu.com> |
| * Masaki Kanno <kanno.masaki@jp.fujitsu.com> |
| * Matt Chapman <matthewc@hp.com> |
| * Matthew Chapman <matthewc@hp.com> |
| * Samuel Thibault <samuel.thibault@eu.citrix.com> |
| * Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com> |
| * Tristan Gingold <tgingold@free.fr> |
| * Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com> |
| * Yutaka Ezaki <yutaka.ezaki@jp.fujitsu.com> |
| * Zhang Xin <xing.z.zhang@intel.com> |
| * Zhang xiantao <xiantao.zhang@intel.com> |
| * dan.magenheimer@hp.com |
| * ian.pratt@cl.cam.ac.uk |
| * michael.fetterman@cl.cam.ac.uk |
| */ |
| |
| #ifndef _ASM_IA64_XEN_INTERFACE_H |
| #define _ASM_IA64_XEN_INTERFACE_H |
| |
| #define __DEFINE_GUEST_HANDLE(name, type) \ |
| typedef struct { type *p; } __guest_handle_ ## name |
| |
| #define DEFINE_GUEST_HANDLE_STRUCT(name) \ |
| __DEFINE_GUEST_HANDLE(name, struct name) |
| #define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name) |
| #define GUEST_HANDLE(name) __guest_handle_ ## name |
| #define GUEST_HANDLE_64(name) GUEST_HANDLE(name) |
| #define set_xen_guest_handle(hnd, val) do { (hnd).p = val; } while (0) |
| |
| #ifndef __ASSEMBLY__ |
| /* Guest handles for primitive C types. */ |
| __DEFINE_GUEST_HANDLE(uchar, unsigned char); |
| __DEFINE_GUEST_HANDLE(uint, unsigned int); |
| __DEFINE_GUEST_HANDLE(ulong, unsigned long); |
| |
| DEFINE_GUEST_HANDLE(char); |
| DEFINE_GUEST_HANDLE(int); |
| DEFINE_GUEST_HANDLE(long); |
| DEFINE_GUEST_HANDLE(void); |
| DEFINE_GUEST_HANDLE(uint64_t); |
| |
| typedef unsigned long xen_pfn_t; |
| DEFINE_GUEST_HANDLE(xen_pfn_t); |
| #define PRI_xen_pfn "lx" |
| #endif |
| |
| /* Arch specific VIRQs definition */ |
| #define VIRQ_ITC VIRQ_ARCH_0 /* V. Virtual itc timer */ |
| #define VIRQ_MCA_CMC VIRQ_ARCH_1 /* MCA cmc interrupt */ |
| #define VIRQ_MCA_CPE VIRQ_ARCH_2 /* MCA cpe interrupt */ |
| |
| /* Maximum number of virtual CPUs in multi-processor guests. */ |
| /* keep sizeof(struct shared_page) <= PAGE_SIZE. |
| * this is checked in arch/ia64/xen/hypervisor.c. */ |
| #define MAX_VIRT_CPUS 64 |
| |
| #ifndef __ASSEMBLY__ |
| |
| #define INVALID_MFN (~0UL) |
| |
| union vac { |
| unsigned long value; |
| struct { |
| int a_int:1; |
| int a_from_int_cr:1; |
| int a_to_int_cr:1; |
| int a_from_psr:1; |
| int a_from_cpuid:1; |
| int a_cover:1; |
| int a_bsw:1; |
| long reserved:57; |
| }; |
| }; |
| |
| union vdc { |
| unsigned long value; |
| struct { |
| int d_vmsw:1; |
| int d_extint:1; |
| int d_ibr_dbr:1; |
| int d_pmc:1; |
| int d_to_pmd:1; |
| int d_itm:1; |
| long reserved:58; |
| }; |
| }; |
| |
| struct mapped_regs { |
| union vac vac; |
| union vdc vdc; |
| unsigned long virt_env_vaddr; |
| unsigned long reserved1[29]; |
| unsigned long vhpi; |
| unsigned long reserved2[95]; |
| union { |
| unsigned long vgr[16]; |
| unsigned long bank1_regs[16]; /* bank1 regs (r16-r31) |
| when bank0 active */ |
| }; |
| union { |
| unsigned long vbgr[16]; |
| unsigned long bank0_regs[16]; /* bank0 regs (r16-r31) |
| when bank1 active */ |
| }; |
| unsigned long vnat; |
| unsigned long vbnat; |
| unsigned long vcpuid[5]; |
| unsigned long reserved3[11]; |
| unsigned long vpsr; |
| unsigned long vpr; |
| unsigned long reserved4[76]; |
| union { |
| unsigned long vcr[128]; |
| struct { |
| unsigned long dcr; /* CR0 */ |
| unsigned long itm; |
| unsigned long iva; |
| unsigned long rsv1[5]; |
| unsigned long pta; /* CR8 */ |
| unsigned long rsv2[7]; |
| unsigned long ipsr; /* CR16 */ |
| unsigned long isr; |
| unsigned long rsv3; |
| unsigned long iip; |
| unsigned long ifa; |
| unsigned long itir; |
| unsigned long iipa; |
| unsigned long ifs; |
| unsigned long iim; /* CR24 */ |
| unsigned long iha; |
| unsigned long rsv4[38]; |
| unsigned long lid; /* CR64 */ |
| unsigned long ivr; |
| unsigned long tpr; |
| unsigned long eoi; |
| unsigned long irr[4]; |
| unsigned long itv; /* CR72 */ |
| unsigned long pmv; |
| unsigned long cmcv; |
| unsigned long rsv5[5]; |
| unsigned long lrr0; /* CR80 */ |
| unsigned long lrr1; |
| unsigned long rsv6[46]; |
| }; |
| }; |
| union { |
| unsigned long reserved5[128]; |
| struct { |
| unsigned long precover_ifs; |
| unsigned long unat; /* not sure if this is needed |
| until NaT arch is done */ |
| int interrupt_collection_enabled; /* virtual psr.ic */ |
| |
| /* virtual interrupt deliverable flag is |
| * evtchn_upcall_mask in shared info area now. |
| * interrupt_mask_addr is the address |
| * of evtchn_upcall_mask for current vcpu |
| */ |
| unsigned char *interrupt_mask_addr; |
| int pending_interruption; |
| unsigned char vpsr_pp; |
| unsigned char vpsr_dfh; |
| unsigned char hpsr_dfh; |
| unsigned char hpsr_mfh; |
| unsigned long reserved5_1[4]; |
| int metaphysical_mode; /* 1 = use metaphys mapping |
| 0 = use virtual */ |
| int banknum; /* 0 or 1, which virtual |
| register bank is active */ |
| unsigned long rrs[8]; /* region registers */ |
| unsigned long krs[8]; /* kernel registers */ |
| unsigned long tmp[16]; /* temp registers |
| (e.g. for hyperprivops) */ |
| |
| /* itc paravirtualization |
| * vAR.ITC = mAR.ITC + itc_offset |
| * itc_last is one which was lastly passed to |
| * the guest OS in order to prevent it from |
| * going backwords. |
| */ |
| unsigned long itc_offset; |
| unsigned long itc_last; |
| }; |
| }; |
| }; |
| |
| struct arch_vcpu_info { |
| /* nothing */ |
| }; |
| |
| /* |
| * This structure is used for magic page in domain pseudo physical address |
| * space and the result of XENMEM_machine_memory_map. |
| * As the XENMEM_machine_memory_map result, |
| * xen_memory_map::nr_entries indicates the size in bytes |
| * including struct xen_ia64_memmap_info. Not the number of entries. |
| */ |
| struct xen_ia64_memmap_info { |
| uint64_t efi_memmap_size; /* size of EFI memory map */ |
| uint64_t efi_memdesc_size; /* size of an EFI memory map |
| * descriptor */ |
| uint32_t efi_memdesc_version; /* memory descriptor version */ |
| void *memdesc[0]; /* array of efi_memory_desc_t */ |
| }; |
| |
| struct arch_shared_info { |
| /* PFN of the start_info page. */ |
| unsigned long start_info_pfn; |
| |
| /* Interrupt vector for event channel. */ |
| int evtchn_vector; |
| |
| /* PFN of memmap_info page */ |
| unsigned int memmap_info_num_pages; /* currently only = 1 case is |
| supported. */ |
| unsigned long memmap_info_pfn; |
| |
| uint64_t pad[31]; |
| }; |
| |
| struct xen_callback { |
| unsigned long ip; |
| }; |
| typedef struct xen_callback xen_callback_t; |
| |
| #endif /* !__ASSEMBLY__ */ |
| |
| /* Size of the shared_info area (this is not related to page size). */ |
| #define XSI_SHIFT 14 |
| #define XSI_SIZE (1 << XSI_SHIFT) |
| /* Log size of mapped_regs area (64 KB - only 4KB is used). */ |
| #define XMAPPEDREGS_SHIFT 12 |
| #define XMAPPEDREGS_SIZE (1 << XMAPPEDREGS_SHIFT) |
| /* Offset of XASI (Xen arch shared info) wrt XSI_BASE. */ |
| #define XMAPPEDREGS_OFS XSI_SIZE |
| |
| /* Hyperprivops. */ |
| #define HYPERPRIVOP_START 0x1 |
| #define HYPERPRIVOP_RFI (HYPERPRIVOP_START + 0x0) |
| #define HYPERPRIVOP_RSM_DT (HYPERPRIVOP_START + 0x1) |
| #define HYPERPRIVOP_SSM_DT (HYPERPRIVOP_START + 0x2) |
| #define HYPERPRIVOP_COVER (HYPERPRIVOP_START + 0x3) |
| #define HYPERPRIVOP_ITC_D (HYPERPRIVOP_START + 0x4) |
| #define HYPERPRIVOP_ITC_I (HYPERPRIVOP_START + 0x5) |
| #define HYPERPRIVOP_SSM_I (HYPERPRIVOP_START + 0x6) |
| #define HYPERPRIVOP_GET_IVR (HYPERPRIVOP_START + 0x7) |
| #define HYPERPRIVOP_GET_TPR (HYPERPRIVOP_START + 0x8) |
| #define HYPERPRIVOP_SET_TPR (HYPERPRIVOP_START + 0x9) |
| #define HYPERPRIVOP_EOI (HYPERPRIVOP_START + 0xa) |
| #define HYPERPRIVOP_SET_ITM (HYPERPRIVOP_START + 0xb) |
| #define HYPERPRIVOP_THASH (HYPERPRIVOP_START + 0xc) |
| #define HYPERPRIVOP_PTC_GA (HYPERPRIVOP_START + 0xd) |
| #define HYPERPRIVOP_ITR_D (HYPERPRIVOP_START + 0xe) |
| #define HYPERPRIVOP_GET_RR (HYPERPRIVOP_START + 0xf) |
| #define HYPERPRIVOP_SET_RR (HYPERPRIVOP_START + 0x10) |
| #define HYPERPRIVOP_SET_KR (HYPERPRIVOP_START + 0x11) |
| #define HYPERPRIVOP_FC (HYPERPRIVOP_START + 0x12) |
| #define HYPERPRIVOP_GET_CPUID (HYPERPRIVOP_START + 0x13) |
| #define HYPERPRIVOP_GET_PMD (HYPERPRIVOP_START + 0x14) |
| #define HYPERPRIVOP_GET_EFLAG (HYPERPRIVOP_START + 0x15) |
| #define HYPERPRIVOP_SET_EFLAG (HYPERPRIVOP_START + 0x16) |
| #define HYPERPRIVOP_RSM_BE (HYPERPRIVOP_START + 0x17) |
| #define HYPERPRIVOP_GET_PSR (HYPERPRIVOP_START + 0x18) |
| #define HYPERPRIVOP_SET_RR0_TO_RR4 (HYPERPRIVOP_START + 0x19) |
| #define HYPERPRIVOP_MAX (0x1a) |
| |
| /* Fast and light hypercalls. */ |
| #define __HYPERVISOR_ia64_fast_eoi __HYPERVISOR_arch_1 |
| |
| /* Xencomm macros. */ |
| #define XENCOMM_INLINE_MASK 0xf800000000000000UL |
| #define XENCOMM_INLINE_FLAG 0x8000000000000000UL |
| |
| #ifndef __ASSEMBLY__ |
| |
| /* |
| * Optimization features. |
| * The hypervisor may do some special optimizations for guests. This hypercall |
| * can be used to switch on/of these special optimizations. |
| */ |
| #define __HYPERVISOR_opt_feature 0x700UL |
| |
| #define XEN_IA64_OPTF_OFF 0x0 |
| #define XEN_IA64_OPTF_ON 0x1 |
| |
| /* |
| * If this feature is switched on, the hypervisor inserts the |
| * tlb entries without calling the guests traphandler. |
| * This is useful in guests using region 7 for identity mapping |
| * like the linux kernel does. |
| */ |
| #define XEN_IA64_OPTF_IDENT_MAP_REG7 1 |
| |
| /* Identity mapping of region 4 addresses in HVM. */ |
| #define XEN_IA64_OPTF_IDENT_MAP_REG4 2 |
| |
| /* Identity mapping of region 5 addresses in HVM. */ |
| #define XEN_IA64_OPTF_IDENT_MAP_REG5 3 |
| |
| #define XEN_IA64_OPTF_IDENT_MAP_NOT_SET (0) |
| |
| struct xen_ia64_opt_feature { |
| unsigned long cmd; /* Which feature */ |
| unsigned char on; /* Switch feature on/off */ |
| union { |
| struct { |
| /* The page protection bit mask of the pte. |
| * This will be or'ed with the pte. */ |
| unsigned long pgprot; |
| unsigned long key; /* A protection key for itir.*/ |
| }; |
| }; |
| }; |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| #endif /* _ASM_IA64_XEN_INTERFACE_H */ |
