Message ID | 20230302123029.153265-27-pbonzini@redhat.com |
---|---|
State | New |
Headers | show
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Thu, 02 Mar 2023 04:31:50 -0800 (PST) X-Google-Smtp-Source: AK7set9xawImKB/sedImxD/xywJHUhy4zQtJ19qiQd6gDxlC7hGlPJUpgdqI1k42OUPmQ/pexBh81A== X-Received: by 2002:adf:f74a:0:b0:2c7:1b1d:5aa with SMTP id z10-20020adff74a000000b002c71b1d05aamr6984367wrp.19.1677760310186; Thu, 02 Mar 2023 04:31:50 -0800 (PST) Received: from avogadro.local ([2001:b07:6468:f312:1c09:f536:3de6:228c]) by smtp.gmail.com with ESMTPSA id iz12-20020a05600c554c00b003e1f2e43a1csm2847670wmb.48.2023.03.02.04.31.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Mar 2023 04:31:49 -0800 (PST) From: Paolo Bonzini <pbonzini@redhat.com> To: qemu-devel@nongnu.org Cc: Ankur Arora <ankur.a.arora@oracle.com>, Joao Martins <joao.m.martins@oracle.com>, David Woodhouse <dwmw@amazon.co.uk>, Paul Durrant <paul@xen.org> Subject: [PULL 26/62] i386/xen: implement HVMOP_set_param Date: Thu, 2 Mar 2023 13:29:53 +0100 Message-Id: <20230302123029.153265-27-pbonzini@redhat.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230302123029.153265-1-pbonzini@redhat.com> References: <20230302123029.153265-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; 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Series |
[PULL,01/62] include: import Xen public headers to hw/xen/interface
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diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c index e9a4422d93f0..ce858ac63ce1 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -489,6 +489,36 @@ static bool kvm_xen_hcall_memory_op(struct kvm_xen_exit *exit, X86CPU *cpu, return true; } +static bool handle_set_param(struct kvm_xen_exit *exit, X86CPU *cpu, + uint64_t arg) +{ + CPUState *cs = CPU(cpu); + struct xen_hvm_param hp; + int err = 0; + + /* No need for 32/64 compat handling */ + qemu_build_assert(sizeof(hp) == 16); + + if (kvm_copy_from_gva(cs, arg, &hp, sizeof(hp))) { + err = -EFAULT; + goto out; + } + + if (hp.domid != DOMID_SELF && hp.domid != xen_domid) { + err = -ESRCH; + goto out; + } + + switch (hp.index) { + default: + return false; + } + +out: + exit->u.hcall.result = err; + return true; +} + static int kvm_xen_hcall_evtchn_upcall_vector(struct kvm_xen_exit *exit, X86CPU *cpu, uint64_t arg) { @@ -530,6 +560,9 @@ static bool kvm_xen_hcall_hvm_op(struct kvm_xen_exit *exit, X86CPU *cpu, ret = -ENOSYS; break; + case HVMOP_set_param: + return handle_set_param(exit, cpu, arg); + default: return false; }