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Define the expected architecture specific exit reason for a successful ucall so that common tests can assert that a ucall occurred without the test needing to implement arch specific code. Suggested-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Link: https://lore.kernel.org/r/20230731203026.1192091-3-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
20 lines
451 B
C
20 lines
451 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef SELFTEST_KVM_UCALL_H
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#define SELFTEST_KVM_UCALL_H
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#include "kvm_util_base.h"
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#define UCALL_EXIT_REASON KVM_EXIT_S390_SIEIC
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static inline void ucall_arch_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa)
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{
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}
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static inline void ucall_arch_do_ucall(vm_vaddr_t uc)
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{
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/* Exit via DIAGNOSE 0x501 (normally used for breakpoints) */
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asm volatile ("diag 0,%0,0x501" : : "a"(uc) : "memory");
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}
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#endif
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