target-arm/arm-powerctl: wake up sleeping CPUs

[qemu.git] / kvm-all.c

diff --git a/kvm-all.c b/kvm-all.c
index a88f917fda69430ae2fa45100e7cd5a331fcdf2f..3dcce16ca517e2ba1b929cfc704c3dfdfdd368d9 100644 (file)
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -25,6 +25,7 @@
 #include "qemu/error-report.h"
 #include "hw/hw.h"
 #include "hw/pci/msi.h"
+#include "hw/pci/msix.h"
 #include "hw/s390x/adapter.h"
 #include "exec/gdbstub.h"
 #include "sysemu/kvm_int.h"
@@ -118,6 +119,7 @@ bool kvm_readonly_mem_allowed;
 bool kvm_vm_attributes_allowed;
 bool kvm_direct_msi_allowed;
 bool kvm_ioeventfd_any_length_allowed;
+bool kvm_msi_use_devid;
 
 static const KVMCapabilityInfo kvm_required_capabilites[] = {
     KVM_CAP_INFO(USER_MEMORY),
@@ -1046,7 +1048,16 @@ void kvm_irqchip_commit_routes(KVMState *s)
 {
     int ret;
 
+    if (kvm_gsi_direct_mapping()) {
+        return;
+    }
+
+    if (!kvm_gsi_routing_enabled()) {
+        return;
+    }
+
     s->irq_routes->flags = 0;
+    trace_kvm_irqchip_commit_routes();
     ret = kvm_vm_ioctl(s, KVM_SET_GSI_ROUTING, s->irq_routes);
     assert(ret == 0);
 }
@@ -1093,8 +1104,6 @@ static int kvm_update_routing_entry(KVMState *s,
 
         *entry = *new_entry;
 
-        kvm_irqchip_commit_routes(s);
-
         return 0;
     }
 
@@ -1132,6 +1141,7 @@ void kvm_irqchip_release_virq(KVMState *s, int virq)
         }
     }
     clear_gsi(s, virq);
+    kvm_arch_release_virq_post(virq);
 }
 
 static unsigned int kvm_hash_msi(uint32_t data)
@@ -1237,10 +1247,15 @@ int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg)
     return kvm_set_irq(s, route->kroute.gsi, 1);
 }
 
-int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev)
+int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
 {
     struct kvm_irq_routing_entry kroute = {};
     int virq;
+    MSIMessage msg = {0, 0};
+
+    if (dev) {
+        msg = pci_get_msi_message(dev, vector);
+    }
 
     if (kvm_gsi_direct_mapping()) {
         return kvm_arch_msi_data_to_gsi(msg.data);
@@ -1261,12 +1276,19 @@ int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev)
     kroute.u.msi.address_lo = (uint32_t)msg.address;
     kroute.u.msi.address_hi = msg.address >> 32;
     kroute.u.msi.data = le32_to_cpu(msg.data);
+    if (kvm_msi_devid_required()) {
+        kroute.flags = KVM_MSI_VALID_DEVID;
+        kroute.u.msi.devid = pci_requester_id(dev);
+    }
     if (kvm_arch_fixup_msi_route(&kroute, msg.address, msg.data, dev)) {
         kvm_irqchip_release_virq(s, virq);
         return -EINVAL;
     }
 
+    trace_kvm_irqchip_add_msi_route(virq);
+
     kvm_add_routing_entry(s, &kroute);
+    kvm_arch_add_msi_route_post(&kroute, vector, dev);
     kvm_irqchip_commit_routes(s);
 
     return virq;
@@ -1291,10 +1313,16 @@ int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
     kroute.u.msi.address_lo = (uint32_t)msg.address;
     kroute.u.msi.address_hi = msg.address >> 32;
     kroute.u.msi.data = le32_to_cpu(msg.data);
+    if (kvm_msi_devid_required()) {
+        kroute.flags = KVM_MSI_VALID_DEVID;
+        kroute.u.msi.devid = pci_requester_id(dev);
+    }
     if (kvm_arch_fixup_msi_route(&kroute, msg.address, msg.data, dev)) {
         return -EINVAL;
     }
 
+    trace_kvm_irqchip_update_msi_route(virq);
+
     return kvm_update_routing_entry(s, &kroute);
 }
 
@@ -1390,7 +1418,7 @@ int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg)
     abort();
 }
 
-int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
+int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
 {
     return -ENOSYS;
 }
@@ -1828,10 +1856,8 @@ void kvm_flush_coalesced_mmio_buffer(void)
     s->coalesced_flush_in_progress = false;
 }
 
-static void do_kvm_cpu_synchronize_state(void *arg)
+static void do_kvm_cpu_synchronize_state(CPUState *cpu, void *arg)
 {
-    CPUState *cpu = arg;
-
     if (!cpu->kvm_vcpu_dirty) {
         kvm_arch_get_registers(cpu);
         cpu->kvm_vcpu_dirty = true;
@@ -1841,34 +1867,30 @@ static void do_kvm_cpu_synchronize_state(void *arg)
 void kvm_cpu_synchronize_state(CPUState *cpu)
 {
     if (!cpu->kvm_vcpu_dirty) {
-        run_on_cpu(cpu, do_kvm_cpu_synchronize_state, cpu);
+        run_on_cpu(cpu, do_kvm_cpu_synchronize_state, NULL);
     }
 }
 
-static void do_kvm_cpu_synchronize_post_reset(void *arg)
+static void do_kvm_cpu_synchronize_post_reset(CPUState *cpu, void *arg)
 {
-    CPUState *cpu = arg;
-
     kvm_arch_put_registers(cpu, KVM_PUT_RESET_STATE);
     cpu->kvm_vcpu_dirty = false;
 }
 
 void kvm_cpu_synchronize_post_reset(CPUState *cpu)
 {
-    run_on_cpu(cpu, do_kvm_cpu_synchronize_post_reset, cpu);
+    run_on_cpu(cpu, do_kvm_cpu_synchronize_post_reset, NULL);
 }
 
-static void do_kvm_cpu_synchronize_post_init(void *arg)
+static void do_kvm_cpu_synchronize_post_init(CPUState *cpu, void *arg)
 {
-    CPUState *cpu = arg;
-
     kvm_arch_put_registers(cpu, KVM_PUT_FULL_STATE);
     cpu->kvm_vcpu_dirty = false;
 }
 
 void kvm_cpu_synchronize_post_init(CPUState *cpu)
 {
-    run_on_cpu(cpu, do_kvm_cpu_synchronize_post_init, cpu);
+    run_on_cpu(cpu, do_kvm_cpu_synchronize_post_init, NULL);
 }
 
 int kvm_cpu_exec(CPUState *cpu)
@@ -2124,11 +2146,12 @@ void kvm_device_access(int fd, int group, uint64_t attr,
     if (err < 0) {
         error_report("KVM_%s_DEVICE_ATTR failed: %s",
                      write ? "SET" : "GET", strerror(-err));
-        error_printf("Group %d attr 0x%016" PRIx64, group, attr);
+        error_printf("Group %d attr 0x%016" PRIx64 "\n", group, attr);
         abort();
     }
 }
 
+/* Return 1 on success, 0 on failure */
 int kvm_has_sync_mmu(void)
 {
     return kvm_check_extension(kvm_state, KVM_CAP_SYNC_MMU);
@@ -2171,20 +2194,6 @@ int kvm_has_intx_set_mask(void)
     return kvm_state->intx_set_mask;
 }
 
-void kvm_setup_guest_memory(void *start, size_t size)
-{
-    if (!kvm_has_sync_mmu()) {
-        int ret = qemu_madvise(start, size, QEMU_MADV_DONTFORK);
-
-        if (ret) {
-            perror("qemu_madvise");
-            fprintf(stderr,
-                    "Need MADV_DONTFORK in absence of synchronous KVM MMU\n");
-            exit(1);
-        }
-    }
-}
-
 #ifdef KVM_CAP_SET_GUEST_DEBUG
 struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu,
                                                  target_ulong pc)
@@ -2206,15 +2215,14 @@ int kvm_sw_breakpoints_active(CPUState *cpu)
 
 struct kvm_set_guest_debug_data {
     struct kvm_guest_debug dbg;
-    CPUState *cpu;
     int err;
 };
 
-static void kvm_invoke_set_guest_debug(void *data)
+static void kvm_invoke_set_guest_debug(CPUState *cpu, void *data)
 {
     struct kvm_set_guest_debug_data *dbg_data = data;
 
-    dbg_data->err = kvm_vcpu_ioctl(dbg_data->cpu, KVM_SET_GUEST_DEBUG,
+    dbg_data->err = kvm_vcpu_ioctl(cpu, KVM_SET_GUEST_DEBUG,
                                    &dbg_data->dbg);
 }
 
@@ -2228,7 +2236,6 @@ int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
         data.dbg.control |= KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_SINGLESTEP;
     }
     kvm_arch_update_guest_debug(cpu, &data.dbg);
-    data.cpu = cpu;
 
     run_on_cpu(cpu, kvm_invoke_set_guest_debug, &data);
     return data.err;