meta-agl-jailhouse/recipes-extended/jailhouse/files/agl-linux-x86-demo.c


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description: Feature agl-kvm
authors: Scott Murray <scott.murray@konsulko.com>
---

### Feature agl-kvm

* Enables support for building multiconfig based KVM+QEMU demo images

### Dependent features pulled by agl-kvm

The following features are pulled:

* agl-demo

Note that enabling this feature results in a configuration where building images
other than agl-kvm-demo-platform will likely not give the desired results.
/*
 * Jailhouse, a Linux-based partitioning hypervisor
 *
 * Configuration for Linux inmate, 1 CPU, 74 MB RAM, ~1MB shmem, serial ports
 *
 * Copyright (c) Siemens AG, 2013-2015
 *
 * Authors:
 *  Jan Kiszka <jan.kiszka@siemens.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2.  See
 * the COPYING file in the top-level directory.
 */

/* For extending the virtio-blk over IVSHMEM. */
#define USE_VIRTIO_BLK

/*
 * Placeholder for extending virtio-device
 *
 * #define USE_VIRTIO_NET
 * #define USE_VIRTIO_CON
 * #define USE_VIRTIO_DEMO
 */

#ifdef USE_VIRTIO_BLK
# define BLK_MEM 4
# define BLK_PCI 1
#else
# define BLK_MEM 0
# define BLK_PCI 0
#endif

#ifdef USE_IVSHMEM_DEMO
# define DEMO_MEM 5
# define DEMO_PCI 1
#else
# define DEMO_MEM 0
# define DEMO_PCI 0
#endif

#ifdef USE_IVSHMEM_NET
# define NET_MEM 4
# define NET_PCI 1
#else
# define NET_MEM 0
# define NET_PCI 0
#endif

#ifdef USE_VIRTIO_CON
# define CON_MEM 4
# define CON_PCI 1
#else
# define CON_MEM 0
# define CON_PCI 0
#endif

#define COMM_MEM_REGIONS (BLK_MEM + CON_MEM + NET_MEM + DEMO_MEM)
#define COMM_PCI_REGIONS (BLK_PCI + CON_PCI + NET_PCI + DEMO_PCI)

#include <jailhouse/types.h>
#include <jailhouse/cell-config.h>

struct {
	struct jailhouse_cell_desc cell;
	__u64 cpus[1];
#ifdef CONFIG_QEMU_E1000E_ASSIGNMENT
	struct jailhouse_memory mem_regions[7 + COMM_MEM_REGIONS];
#else
	struct jailhouse_memory mem_regions[3 + COMM_MEM_REGIONS];
#endif
	struct jailhouse_cache cache_regions[1];
	struct jailhouse_irqchip irqchips[1];
	struct jailhouse_pio pio_regions[2];
#ifdef CONFIG_QEMU_E1000E_ASSIGNMENT
	struct jailhouse_pci_device pci_devices[1 + COMM_PCI_REGIONS];
#else
	struct jailhouse_pci_device pci_devices[COMM_PCI_REGIONS];
#endif
	struct jailhouse_pci_capability pci_caps[6];
} __attribute__((packed)) config = {
	.cell = {
		.signature = JAILHOUSE_CELL_DESC_SIGNATURE,
		.revision = JAILHOUSE_CONFIG_REVISION,
		.name = "agl-linux-x86-demo",
		.flags = JAILHOUSE_CELL_PASSIVE_COMMREG |
			 JAILHOUSE_CELL_VIRTUAL_CONSOLE_PERMITTED,

		.cpu_set_size = sizeof(config.cpus),
		.num_memory_regions = ARRAY_SIZE(config.mem_regions),
		.num_cache_regions = ARRAY_SIZE(config.cache_regions),
		.num_irqchips = ARRAY_SIZE(config.irqchips),
		.num_pio_regions = ARRAY_SIZE(config.pio_regions),
		.num_pci_devices = ARRAY_SIZE(config.pci_devices),
		.num_pci_caps = ARRAY_SIZE(config.pci_caps),
	},

	.cpus = {
		0b1100,
	},

	.mem_regions = {
#if defined USE_VIRTIO_BLK
		/* IVSHMEM shared memory region (virtio-blk front-end) */
		{
			.phys_start = 0x26e00000,
			.virt_start = 0x26e00000,
			.size = 0x1000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_ROOTSHARED,
		},
		{
			.phys_start = 0x26e01000,
			.virt_start = 0x26e01000,
			.size = 0xdf000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
				JAILHOUSE_MEM_ROOTSHARED,
		},
		{ 0 },
		{ 0 },
#endif
#if defined USE_IVSHMEM_CON
		/* IVSHMEM shared memory region (virtio-con front-end) */
		{
			.phys_start = 0x220e0000,
			.virt_start = 0x220e0000,
			.size = 0x1000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_ROOTSHARED,
		},
		{
			.phys_start = 0x220e1000,
			.virt_start = 0x220e1000,
			.size = 0xf000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
				JAILHOUSE_MEM_ROOTSHARED,
		},
		{ 0 },
		{ 0 },
#endif
#if defined USE_IVSHMEM_DEMO
		/* IVSHMEM shared memory regions (demo) */
		{
			.phys_start = 0x220f0000,
			.virt_start = 0x220f0000,
			.size = 0x1000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_ROOTSHARED,
		},
		{
			.phys_start = 0x220f1000,
			.virt_start = 0x220f1000,
			.size = 0x9000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
				JAILHOUSE_MEM_ROOTSHARED,
		},
		{
			.phys_start = 0x220fa000,
			.virt_start = 0x220fa000,
			.size = 0x2000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_ROOTSHARED,
		},
		{
			.phys_start = 0x220fc000,
			.virt_start = 0x220fc000,
			.size = 0x2000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_ROOTSHARED,
		},
		{
			.phys_start = 0x220fe000,
			.virt_start = 0x220fe000,
			.size = 0x2000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
				JAILHOUSE_MEM_ROOTSHARED,
		},
#endif
#if defined USE_IVSHMEM_NET
		/* IVSHMEM shared memory regions (networking) */
		JAILHOUSE_SHMEM_NET_REGIONS(0x22100000, 1),
#endif
		/* low RAM */ {
			.phys_start = 0x22600000,
			.virt_start = 0,
			.size = 0x00100000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
				JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_DMA |
				JAILHOUSE_MEM_LOADABLE,
		},
		/* communication region */ {
			.virt_start = 0x00100000,
			.size = 0x00001000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
				JAILHOUSE_MEM_COMM_REGION,
		},
		/* high RAM */ {
			.phys_start = 0x22700000,
			.virt_start = 0x00200000,
			.size = 0x4700000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
				JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_DMA |
				JAILHOUSE_MEM_LOADABLE,
		},
#ifdef CONFIG_QEMU_E1000E_ASSIGNMENT
		/* MemRegion: feb40000-feb7ffff : 0000:00:02.0 */
		{
			.phys_start = 0xfeb40000,
			.virt_start = 0xfeb40000,
			.size = 0x40000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE,
		},
		/* MemRegion: feb80000-feb9ffff : e1000e */
		{
			.phys_start = 0xfeb80000,
			.virt_start = 0xfeb80000,
			.size = 0x20000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE,
		},
		/* MemRegion: feba0000-febbffff : e1000e */
		{
			.phys_start = 0xfeba0000,
			.virt_start = 0xfeba0000,
			.size = 0x20000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE,
		},
		/* MemRegion: febd1000-febd3fff : e1000e */
		{
			.phys_start = 0xfebd1000,
			.virt_start = 0xfebd1000,
			.size = 0x3000,
			.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE,
		},
#endif
	},

	.cache_regions = {
		{
			.start = 0,
			.size = 2,
			.type = JAILHOUSE_CACHE_L3,
		},
	},

	.irqchips = {
		/* IOAPIC */ {
			.address = 0xfec00000,
			.id = 0xff00,
			.pin_bitmap = {
				(1 << 3) | (1 << 4),
			},
		},
	},

	.pio_regions = {
		PIO_RANGE(0x2e8, 8), /* serial 2: ttyS3(0x2e8) */
		PIO_RANGE(0x3e8, 8), /* serial 1: ttyS2(0x3e8) */
//		PIO_RANGE(0xe010, 8), /* OXPCIe952 serial1 */
	},

	.pci_devices = {
#if defined USE_VIRTIO_BLK
		{ /* IVSHMEM (virtio-blk front-end) */
			.type = JAILHOUSE_PCI_TYPE_IVSHMEM,
			.domain = 0x0,
			.bdf = 0x0c << 3,
			.bar_mask = JAILHOUSE_IVSHMEM_BAR_MASK_MSIX,
			.num_msix_vectors = 2,
			.shmem_regions_start = 0,
			.shmem_dev_id = 1,
			.shmem_peers = 2,
			.shmem_protocol = JAILHOUSE_SHMEM_PROTO_VIRTIO_FRONT +
				VIRTIO_DEV_BLOCK,
		},
#endif
#if defined USE_IVSHMEM_CON
		{ /* IVSHMEM (virtio-con front-end) */
			.type = JAILHOUSE_PCI_TYPE_IVSHMEM,
			.domain = 0x0,
			.bdf = 0x0d << 3,
			.bar_mask = JAILHOUSE_IVSHMEM_BAR_MASK_MSIX,
			.num_msix_vectors = 3,
			.shmem_regions_start = BLK_MEM, /* 0 + BLK_MEM */
			.shmem_dev_id = 1,
			.shmem_peers = 2,
			.shmem_protocol = JAILHOUSE_SHMEM_PROTO_VIRTIO_FRONT +
				VIRTIO_DEV_CONSOLE,
		},
#endif
#if defined USE_IVSHMEM_DEMO
		{ /* IVSHMEM (demo) */
			.type = JAILHOUSE_PCI_TYPE_IVSHMEM,
			.domain = 0x0,
			.bdf = 0x0e << 3,
			.bar_mask = JAILHOUSE_IVSHMEM_BAR_MASK_MSIX,
			.num_msix_vectors = 16,
			.shmem_regions_start = BLK_MEM + CON_MEM,
			.shmem_dev_id = 2,
			.shmem_peers = 3,
			.shmem_protocol = JAILHOUSE_SHMEM_PROTO_UNDEFINED,
		},
#endif
#if defined USE_IVSHMEM_NET
		{ /* IVSHMEM (networking) */
			.type = JAILHOUSE_PCI_TYPE_IVSHMEM,
			.domain = 0x0,
			.bdf = 0x0f << 3,
			.bar_mask = JAILHOUSE_IVSHMEM_BAR_MASK_MSIX,
			.num_msix_vectors = 2,
			.shmem_regions_start = BLK_MEM + CON_MEM + DEMO_MEM,
			.shmem_dev_id = 1,
			.shmem_peers = 2,
			.shmem_protocol = JAILHOUSE_SHMEM_PROTO_VETH,
		},
#endif
#ifdef CONFIG_QEMU_E1000E_ASSIGNMENT
		{ /* e1000e */
			.type = JAILHOUSE_PCI_TYPE_DEVICE,
			.domain = 0x0000,
			.bdf = 0x0010,
			.bar_mask = {
				0xfffe0000, 0xfffe0000, 0xffffffe0,
				0xffffc000, 0x00000000, 0x00000000,
			},
			.caps_start = 0,
			.num_caps = 6,
			.num_msi_vectors = 1,
			.msi_64bits = 1,
			.num_msix_vectors = 5,
			.msix_region_size = 0x1000,
			.msix_address = 0xfebd0000,
		},
#endif
	},

	.pci_caps = {
		{ /* e1000e */
			.id = PCI_CAP_ID_PM,
			.start = 0xc8,
			.len = 8,
			.flags = JAILHOUSE_PCICAPS_WRITE,
		},
		{
			.id = PCI_CAP_ID_MSI,
			.start = 0xd0,
			.len = 14,
			.flags = JAILHOUSE_PCICAPS_WRITE,
		},
		{
			.id = PCI_CAP_ID_EXP,
			.start = 0xe0,
			.len = 20,
			.flags = JAILHOUSE_PCICAPS_WRITE,
		},
		{
			.id = PCI_CAP_ID_MSIX,
			.start = 0xa0,
			.len = 12,
			.flags = JAILHOUSE_PCICAPS_WRITE,
		},
		{
			.id = PCI_EXT_CAP_ID_ERR | JAILHOUSE_PCI_EXT_CAP,
			.start = 0x100,
			.len = 4,
			.flags = 0,
		},
		{
			.id = PCI_EXT_CAP_ID_DSN | JAILHOUSE_PCI_EXT_CAP,
			.start = 0x140,
			.len = 4,
			.flags = 0,
		},
	}
};