126 lines
4.1 KiB
C
126 lines
4.1 KiB
C
/*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright (C) IBM Corp. 2005, 2006
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*
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* Authors: Hollis Blanchard <hollisb@us.ibm.com>
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*/
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#ifndef __XEN_PUBLIC_ARCH_PPC_64_H__
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#define __XEN_PUBLIC_ARCH_PPC_64_H__
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#define __DEFINE_XEN_GUEST_HANDLE(name, type) \
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typedef struct { \
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int __pad[(sizeof (long long) - sizeof (void *)) / sizeof (int)]; \
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type *p; \
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} __attribute__((__aligned__(8))) __guest_handle_ ## name
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#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name)
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#define XEN_GUEST_HANDLE(name) __guest_handle_ ## name
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#define set_xen_guest_handle(hnd, val) \
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do { \
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if (sizeof ((hnd).__pad)) \
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(hnd).__pad[0] = 0; \
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(hnd).p = val; \
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} while (0)
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#ifdef __XEN_TOOLS__
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#define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0)
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#endif
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#ifndef __ASSEMBLY__
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/* Guest handles for primitive C types. */
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__DEFINE_XEN_GUEST_HANDLE(uchar, unsigned char);
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__DEFINE_XEN_GUEST_HANDLE(uint, unsigned int);
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__DEFINE_XEN_GUEST_HANDLE(ulong, unsigned long);
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DEFINE_XEN_GUEST_HANDLE(char);
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DEFINE_XEN_GUEST_HANDLE(int);
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DEFINE_XEN_GUEST_HANDLE(long);
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DEFINE_XEN_GUEST_HANDLE(void);
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typedef unsigned long long xen_pfn_t;
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DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
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#define PRI_xen_pfn "llx"
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#endif
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/*
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* Pointers and other address fields inside interface structures are padded to
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* 64 bits. This means that field alignments aren't different between 32- and
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* 64-bit architectures.
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*/
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/* NB. Multi-level macro ensures __LINE__ is expanded before concatenation. */
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#define __MEMORY_PADDING(_X)
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#define _MEMORY_PADDING(_X) __MEMORY_PADDING(_X)
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#define MEMORY_PADDING _MEMORY_PADDING(__LINE__)
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/* And the trap vector is... */
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#define TRAP_INSTR "li 0,-1; sc" /* XXX just "sc"? */
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#ifndef __ASSEMBLY__
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#define XENCOMM_INLINE_FLAG (1UL << 63)
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typedef uint64_t xen_ulong_t;
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/* User-accessible registers: nost of these need to be saved/restored
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* for every nested Xen invocation. */
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struct cpu_user_regs
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{
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uint64_t gprs[32];
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uint64_t lr;
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uint64_t ctr;
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uint64_t srr0;
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uint64_t srr1;
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uint64_t pc;
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uint64_t msr;
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uint64_t fpscr; /* XXX Is this necessary */
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uint64_t xer;
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uint64_t hid4; /* debug only */
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uint64_t dar; /* debug only */
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uint32_t dsisr; /* debug only */
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uint32_t cr;
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uint32_t __pad; /* good spot for another 32bit reg */
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uint32_t entry_vector;
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};
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typedef struct cpu_user_regs cpu_user_regs_t;
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typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ /* XXX timebase */
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/* ONLY used to communicate with dom0! See also struct exec_domain. */
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struct vcpu_guest_context {
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cpu_user_regs_t user_regs; /* User-level CPU registers */
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uint64_t sdr1; /* Pagetable base */
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/* XXX etc */
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};
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typedef struct vcpu_guest_context vcpu_guest_context_t;
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DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t);
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struct arch_shared_info {
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uint64_t boot_timebase;
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};
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struct arch_vcpu_info {
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};
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/* Support for multi-processor guests. */
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#define MAX_VIRT_CPUS 32
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#endif
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#endif
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