10a6ed700SMarc Marí /* 20a6ed700SMarc Marí * libqos virtio MMIO definitions 30a6ed700SMarc Marí * 40a6ed700SMarc Marí * Copyright (c) 2014 Marc Marí 50a6ed700SMarc Marí * 60a6ed700SMarc Marí * This work is licensed under the terms of the GNU GPL, version 2 or later. 70a6ed700SMarc Marí * See the COPYING file in the top-level directory. 80a6ed700SMarc Marí */ 90a6ed700SMarc Marí 100a6ed700SMarc Marí #ifndef LIBQOS_VIRTIO_MMIO_H 110a6ed700SMarc Marí #define LIBQOS_VIRTIO_MMIO_H 120a6ed700SMarc Marí 13*a2ce7dbdSPaolo Bonzini #include "virtio.h" 14*a2ce7dbdSPaolo Bonzini #include "qgraph.h" 150a6ed700SMarc Marí 160a6ed700SMarc Marí #define QVIRTIO_MMIO_MAGIC_VALUE 0x000 170a6ed700SMarc Marí #define QVIRTIO_MMIO_VERSION 0x004 180a6ed700SMarc Marí #define QVIRTIO_MMIO_DEVICE_ID 0x008 190a6ed700SMarc Marí #define QVIRTIO_MMIO_VENDOR_ID 0x00C 200a6ed700SMarc Marí #define QVIRTIO_MMIO_HOST_FEATURES 0x010 210a6ed700SMarc Marí #define QVIRTIO_MMIO_HOST_FEATURES_SEL 0x014 220a6ed700SMarc Marí #define QVIRTIO_MMIO_GUEST_FEATURES 0x020 230a6ed700SMarc Marí #define QVIRTIO_MMIO_GUEST_FEATURES_SEL 0x024 240a6ed700SMarc Marí #define QVIRTIO_MMIO_GUEST_PAGE_SIZE 0x028 250a6ed700SMarc Marí #define QVIRTIO_MMIO_QUEUE_SEL 0x030 260a6ed700SMarc Marí #define QVIRTIO_MMIO_QUEUE_NUM_MAX 0x034 270a6ed700SMarc Marí #define QVIRTIO_MMIO_QUEUE_NUM 0x038 280a6ed700SMarc Marí #define QVIRTIO_MMIO_QUEUE_ALIGN 0x03C 290a6ed700SMarc Marí #define QVIRTIO_MMIO_QUEUE_PFN 0x040 300a6ed700SMarc Marí #define QVIRTIO_MMIO_QUEUE_NOTIFY 0x050 310a6ed700SMarc Marí #define QVIRTIO_MMIO_INTERRUPT_STATUS 0x060 320a6ed700SMarc Marí #define QVIRTIO_MMIO_INTERRUPT_ACK 0x064 330a6ed700SMarc Marí #define QVIRTIO_MMIO_DEVICE_STATUS 0x070 340a6ed700SMarc Marí #define QVIRTIO_MMIO_DEVICE_SPECIFIC 0x100 350a6ed700SMarc Marí 360a6ed700SMarc Marí typedef struct QVirtioMMIODevice { 3757ed038aSEmanuele Giuseppe Esposito QOSGraphObject obj; 380a6ed700SMarc Marí QVirtioDevice vdev; 3957ed038aSEmanuele Giuseppe Esposito QTestState *qts; 400a6ed700SMarc Marí uint64_t addr; 410a6ed700SMarc Marí uint32_t page_size; 420a6ed700SMarc Marí uint32_t features; /* As it cannot be read later, save it */ 4360ce3a40SStefan Hajnoczi uint32_t version; 440a6ed700SMarc Marí } QVirtioMMIODevice; 450a6ed700SMarc Marí 460a6ed700SMarc Marí extern const QVirtioBus qvirtio_mmio; 470a6ed700SMarc Marí 4857ed038aSEmanuele Giuseppe Esposito void qvirtio_mmio_init_device(QVirtioMMIODevice *dev, QTestState *qts, 4957ed038aSEmanuele Giuseppe Esposito uint64_t addr, uint32_t page_size); 500a6ed700SMarc Marí 510a6ed700SMarc Marí #endif 52