1 /* 2 * ITS support for ARM GICv3 3 * 4 * Copyright (c) 2015 Samsung Electronics Co., Ltd. 5 * Written by Pavel Fedin 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation, either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef QEMU_ARM_GICV3_ITS_COMMON_H 22 #define QEMU_ARM_GICV3_ITS_COMMON_H 23 24 #include "hw/sysbus.h" 25 #include "hw/intc/arm_gicv3_common.h" 26 #include "qom/object.h" 27 28 #define ITS_CONTROL_SIZE 0x10000 29 #define ITS_TRANS_SIZE 0x10000 30 #define ITS_SIZE (ITS_CONTROL_SIZE + ITS_TRANS_SIZE) 31 32 #define GITS_CTLR 0x0 33 #define GITS_IIDR 0x4 34 #define GITS_CBASER 0x80 35 #define GITS_CWRITER 0x88 36 #define GITS_CREADR 0x90 37 #define GITS_BASER 0x100 38 39 struct GICv3ITSState { 40 SysBusDevice parent_obj; 41 42 MemoryRegion iomem_main; 43 MemoryRegion iomem_its_cntrl; 44 MemoryRegion iomem_its_translation; 45 46 GICv3State *gicv3; 47 48 int dev_fd; /* kvm device fd if backed by kvm vgic support */ 49 uint64_t gits_translater_gpa; 50 bool translater_gpa_known; 51 52 /* Registers */ 53 uint32_t ctlr; 54 uint32_t iidr; 55 uint64_t cbaser; 56 uint64_t cwriter; 57 uint64_t creadr; 58 uint64_t baser[8]; 59 60 Error *migration_blocker; 61 }; 62 63 typedef struct GICv3ITSState GICv3ITSState; 64 65 void gicv3_its_init_mmio(GICv3ITSState *s, const MemoryRegionOps *ops); 66 67 #define TYPE_ARM_GICV3_ITS_COMMON "arm-gicv3-its-common" 68 typedef struct GICv3ITSCommonClass GICv3ITSCommonClass; 69 DECLARE_OBJ_CHECKERS(GICv3ITSState, GICv3ITSCommonClass, 70 ARM_GICV3_ITS_COMMON, TYPE_ARM_GICV3_ITS_COMMON) 71 72 struct GICv3ITSCommonClass { 73 /*< private >*/ 74 SysBusDeviceClass parent_class; 75 /*< public >*/ 76 77 int (*send_msi)(GICv3ITSState *s, uint32_t data, uint16_t devid); 78 void (*pre_save)(GICv3ITSState *s); 79 void (*post_load)(GICv3ITSState *s); 80 }; 81 82 83 #endif 84