Peter Xu | ae50a77 | 2016-03-30 17:27:24 +0100 | [diff] [blame] | 1 | /* |
| 2 | * QEMU monitor.c for ARM. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 20 | * THE SOFTWARE. |
| 21 | */ |
| 22 | #include "qemu/osdep.h" |
| 23 | #include "qmp-commands.h" |
Peter Xu | db31e49 | 2016-03-30 17:27:24 +0100 | [diff] [blame] | 24 | #include "hw/boards.h" |
| 25 | #include "kvm_arm.h" |
| 26 | |
| 27 | static GICCapability *gic_cap_new(int version) |
| 28 | { |
| 29 | GICCapability *cap = g_new0(GICCapability, 1); |
| 30 | cap->version = version; |
| 31 | /* by default, support none */ |
| 32 | cap->emulated = false; |
| 33 | cap->kernel = false; |
| 34 | return cap; |
| 35 | } |
| 36 | |
| 37 | static GICCapabilityList *gic_cap_list_add(GICCapabilityList *head, |
| 38 | GICCapability *cap) |
| 39 | { |
| 40 | GICCapabilityList *item = g_new0(GICCapabilityList, 1); |
| 41 | item->value = cap; |
| 42 | item->next = head; |
| 43 | return item; |
| 44 | } |
| 45 | |
| 46 | static inline void gic_cap_kvm_probe(GICCapability *v2, GICCapability *v3) |
| 47 | { |
| 48 | #ifdef CONFIG_KVM |
| 49 | int fdarray[3]; |
| 50 | |
| 51 | if (!kvm_arm_create_scratch_host_vcpu(NULL, fdarray, NULL)) { |
| 52 | return; |
| 53 | } |
| 54 | |
| 55 | /* Test KVM GICv2 */ |
| 56 | if (kvm_device_supported(fdarray[1], KVM_DEV_TYPE_ARM_VGIC_V2)) { |
| 57 | v2->kernel = true; |
| 58 | } |
| 59 | |
| 60 | /* Test KVM GICv3 */ |
| 61 | if (kvm_device_supported(fdarray[1], KVM_DEV_TYPE_ARM_VGIC_V3)) { |
| 62 | v3->kernel = true; |
| 63 | } |
| 64 | |
| 65 | kvm_arm_destroy_scratch_host_vcpu(fdarray); |
| 66 | #endif |
| 67 | } |
Peter Xu | ae50a77 | 2016-03-30 17:27:24 +0100 | [diff] [blame] | 68 | |
| 69 | GICCapabilityList *qmp_query_gic_capabilities(Error **errp) |
| 70 | { |
Peter Xu | db31e49 | 2016-03-30 17:27:24 +0100 | [diff] [blame] | 71 | GICCapabilityList *head = NULL; |
| 72 | GICCapability *v2 = gic_cap_new(2), *v3 = gic_cap_new(3); |
| 73 | |
| 74 | v2->emulated = true; |
Peter Maydell | 3b1a222 | 2016-06-17 15:23:48 +0100 | [diff] [blame] | 75 | v3->emulated = true; |
Peter Xu | db31e49 | 2016-03-30 17:27:24 +0100 | [diff] [blame] | 76 | |
| 77 | gic_cap_kvm_probe(v2, v3); |
| 78 | |
| 79 | head = gic_cap_list_add(head, v2); |
| 80 | head = gic_cap_list_add(head, v3); |
| 81 | |
| 82 | return head; |
Peter Xu | ae50a77 | 2016-03-30 17:27:24 +0100 | [diff] [blame] | 83 | } |