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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 To: qemu-devel@nongnu.org Cc: Ankur Arora , Joao Martins , David Woodhouse , Paul Durrant 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; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Ankur Arora This is the hook for adding the HVM_PARAM_CALLBACK_IRQ parameter in a subsequent commit. Signed-off-by: Ankur Arora Signed-off-by: Joao Martins [dwmw2: Split out from another commit] Signed-off-by: David Woodhouse Reviewed-by: Paul Durrant --- target/i386/kvm/xen-emu.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) 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; } -- 2.39.1