mirror of
https://github.com/clearlinux/kvmtool.git
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Michael Ellerman
241f595f92
Now that we don't have the kernel header on hand, just define the minimum set of hcall opcodes and return values we need in order to build. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Will Deacon <will.deacon@arm.com>
109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/*
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* SPAPR definitions and declarations
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*
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* Borrowed heavily from QEMU's spapr.h,
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* Copyright (c) 2010 David Gibson, IBM Corporation.
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*
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* Modifications by Matt Evans <matt@ozlabs.org>, IBM Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#if !defined(__HW_SPAPR_H__)
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#define __HW_SPAPR_H__
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#include <inttypes.h>
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#include "kvm/kvm.h"
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#include "kvm/kvm-cpu.h"
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typedef unsigned long target_ulong;
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typedef uintptr_t target_phys_addr_t;
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#define H_SUCCESS 0
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#define H_HARDWARE -1 /* Hardware error */
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#define H_FUNCTION -2 /* Function not supported */
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#define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */
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#define H_SET_DABR 0x28
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#define H_LOGICAL_CI_LOAD 0x3c
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#define H_LOGICAL_CI_STORE 0x40
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#define H_LOGICAL_CACHE_LOAD 0x44
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#define H_LOGICAL_CACHE_STORE 0x48
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#define H_LOGICAL_ICBI 0x4c
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#define H_LOGICAL_DCBF 0x50
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#define H_GET_TERM_CHAR 0x54
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#define H_PUT_TERM_CHAR 0x58
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#define H_CPPR 0x68
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#define H_EOI 0x64
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#define H_IPI 0x6c
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#define H_XIRR 0x74
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#define MAX_HCALL_OPCODE H_XIRR
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/*
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* The hcalls above are standardized in PAPR and implemented by pHyp
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* as well.
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*
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* We also need some hcalls which are specific to qemu / KVM-on-POWER.
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* So far we just need one for H_RTAS, but in future we'll need more
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* for extensions like virtio. We put those into the 0xf000-0xfffc
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* range which is reserved by PAPR for "platform-specific" hcalls.
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*/
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#define KVMPPC_HCALL_BASE 0xf000
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#define KVMPPC_H_RTAS (KVMPPC_HCALL_BASE + 0x0)
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#define KVMPPC_HCALL_MAX KVMPPC_H_RTAS
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#define DEBUG_SPAPR_HCALLS
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#ifdef DEBUG_SPAPR_HCALLS
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#define hcall_dprintf(fmt, ...) \
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do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
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#else
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#define hcall_dprintf(fmt, ...) \
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do { } while (0)
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#endif
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typedef target_ulong (*spapr_hcall_fn)(struct kvm_cpu *vcpu,
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target_ulong opcode,
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target_ulong *args);
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void hypercall_init(void);
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void register_core_rtas(void);
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void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
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target_ulong spapr_hypercall(struct kvm_cpu *vcpu, target_ulong opcode,
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target_ulong *args);
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int spapr_rtas_fdt_setup(struct kvm *kvm, void *fdt);
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static inline uint32_t rtas_ld(struct kvm *kvm, target_ulong phys, int n)
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{
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return *((uint32_t *)guest_flat_to_host(kvm, phys + 4*n));
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}
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static inline void rtas_st(struct kvm *kvm, target_ulong phys, int n, uint32_t val)
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{
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*((uint32_t *)guest_flat_to_host(kvm, phys + 4*n)) = val;
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}
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typedef void (*spapr_rtas_fn)(struct kvm_cpu *vcpu, uint32_t token,
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uint32_t nargs, target_ulong args,
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uint32_t nret, target_ulong rets);
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void spapr_rtas_register(const char *name, spapr_rtas_fn fn);
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target_ulong spapr_rtas_call(struct kvm_cpu *vcpu,
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uint32_t token, uint32_t nargs, target_ulong args,
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uint32_t nret, target_ulong rets);
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#define SPAPR_PCI_BUID 0x800000020000001ULL
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#define SPAPR_PCI_MEM_WIN_ADDR (KVM_MMIO_START + 0xA0000000)
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#define SPAPR_PCI_MEM_WIN_SIZE 0x20000000
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#define SPAPR_PCI_IO_WIN_ADDR (SPAPR_PCI_MEM_WIN_ADDR + SPAPR_PCI_MEM_WIN_SIZE)
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#define SPAPR_PCI_IO_WIN_SIZE 0x2000000
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#define SPAPR_PCI_WIN_START SPAPR_PCI_MEM_WIN_ADDR
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#define SPAPR_PCI_WIN_END (SPAPR_PCI_IO_WIN_ADDR + SPAPR_PCI_IO_WIN_SIZE)
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#endif /* !defined (__HW_SPAPR_H__) */
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