diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/Kbuild | 1 | ||||
| -rw-r--r-- | include/uapi/linux/target_core_user.h | 22 | ||||
| -rw-r--r-- | include/uapi/linux/virtio_mmio.h | 141 | ||||
| -rw-r--r-- | include/uapi/linux/virtio_pci.h | 2 |
4 files changed, 154 insertions, 12 deletions
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 1c80efb67d10..dd9820b1c779 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -466,6 +466,7 @@ header-y += virtio_console.h header-y += virtio_gpu.h header-y += virtio_ids.h header-y += virtio_input.h +header-y += virtio_mmio.h header-y += virtio_net.h header-y += virtio_pci.h header-y += virtio_ring.h diff --git a/include/uapi/linux/target_core_user.h b/include/uapi/linux/target_core_user.h index c506cddb8165..af17b4154ef6 100644 --- a/include/uapi/linux/target_core_user.h +++ b/include/uapi/linux/target_core_user.h @@ -105,26 +105,26 @@ struct tcmu_cmd_entry { union { struct { - uint32_t iov_cnt; - uint32_t iov_bidi_cnt; - uint32_t iov_dif_cnt; - uint64_t cdb_off; - uint64_t __pad1; - uint64_t __pad2; + __u32 iov_cnt; + __u32 iov_bidi_cnt; + __u32 iov_dif_cnt; + __u64 cdb_off; + __u64 __pad1; + __u64 __pad2; struct iovec iov[0]; } req; struct { - uint8_t scsi_status; - uint8_t __pad1; - uint16_t __pad2; - uint32_t __pad3; + __u8 scsi_status; + __u8 __pad1; + __u16 __pad2; + __u32 __pad3; char sense_buffer[TCMU_SENSE_BUFFERSIZE]; } rsp; }; } __packed; -#define TCMU_OP_ALIGN_SIZE sizeof(uint64_t) +#define TCMU_OP_ALIGN_SIZE sizeof(__u64) enum tcmu_genl_cmd { TCMU_CMD_UNSPEC, diff --git a/include/uapi/linux/virtio_mmio.h b/include/uapi/linux/virtio_mmio.h new file mode 100644 index 000000000000..c4b09689ab64 --- /dev/null +++ b/include/uapi/linux/virtio_mmio.h @@ -0,0 +1,141 @@ +/* + * Virtio platform device driver + * + * Copyright 2011, ARM Ltd. + * + * Based on Virtio PCI driver by Anthony Liguori, copyright IBM Corp. 2007 + * + * This header is BSD licensed so anyone can use the definitions to implement + * compatible drivers/servers. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of IBM nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _LINUX_VIRTIO_MMIO_H +#define _LINUX_VIRTIO_MMIO_H + +/* + * Control registers + */ + +/* Magic value ("virt" string) - Read Only */ +#define VIRTIO_MMIO_MAGIC_VALUE 0x000 + +/* Virtio device version - Read Only */ +#define VIRTIO_MMIO_VERSION 0x004 + +/* Virtio device ID - Read Only */ +#define VIRTIO_MMIO_DEVICE_ID 0x008 + +/* Virtio vendor ID - Read Only */ +#define VIRTIO_MMIO_VENDOR_ID 0x00c + +/* Bitmask of the features supported by the device (host) + * (32 bits per set) - Read Only */ +#define VIRTIO_MMIO_DEVICE_FEATURES 0x010 + +/* Device (host) features set selector - Write Only */ +#define VIRTIO_MMIO_DEVICE_FEATURES_SEL 0x014 + +/* Bitmask of features activated by the driver (guest) + * (32 bits per set) - Write Only */ +#define VIRTIO_MMIO_DRIVER_FEATURES 0x020 + +/* Activated features set selector - Write Only */ +#define VIRTIO_MMIO_DRIVER_FEATURES_SEL 0x024 + + +#ifndef VIRTIO_MMIO_NO_LEGACY /* LEGACY DEVICES ONLY! */ + +/* Guest's memory page size in bytes - Write Only */ +#define VIRTIO_MMIO_GUEST_PAGE_SIZE 0x028 + +#endif + + +/* Queue selector - Write Only */ +#define VIRTIO_MMIO_QUEUE_SEL 0x030 + +/* Maximum size of the currently selected queue - Read Only */ +#define VIRTIO_MMIO_QUEUE_NUM_MAX 0x034 + +/* Queue size for the currently selected queue - Write Only */ +#define VIRTIO_MMIO_QUEUE_NUM 0x038 + + +#ifndef VIRTIO_MMIO_NO_LEGACY /* LEGACY DEVICES ONLY! */ + +/* Used Ring alignment for the currently selected queue - Write Only */ +#define VIRTIO_MMIO_QUEUE_ALIGN 0x03c + +/* Guest's PFN for the currently selected queue - Read Write */ +#define VIRTIO_MMIO_QUEUE_PFN 0x040 + +#endif + + +/* Ready bit for the currently selected queue - Read Write */ +#define VIRTIO_MMIO_QUEUE_READY 0x044 + +/* Queue notifier - Write Only */ +#define VIRTIO_MMIO_QUEUE_NOTIFY 0x050 + +/* Interrupt status - Read Only */ +#define VIRTIO_MMIO_INTERRUPT_STATUS 0x060 + +/* Interrupt acknowledge - Write Only */ +#define VIRTIO_MMIO_INTERRUPT_ACK 0x064 + +/* Device status register - Read Write */ +#define VIRTIO_MMIO_STATUS 0x070 + +/* Selected queue's Descriptor Table address, 64 bits in two halves */ +#define VIRTIO_MMIO_QUEUE_DESC_LOW 0x080 +#define VIRTIO_MMIO_QUEUE_DESC_HIGH 0x084 + +/* Selected queue's Available Ring address, 64 bits in two halves */ +#define VIRTIO_MMIO_QUEUE_AVAIL_LOW 0x090 +#define VIRTIO_MMIO_QUEUE_AVAIL_HIGH 0x094 + +/* Selected queue's Used Ring address, 64 bits in two halves */ +#define VIRTIO_MMIO_QUEUE_USED_LOW 0x0a0 +#define VIRTIO_MMIO_QUEUE_USED_HIGH 0x0a4 + +/* Configuration atomicity value */ +#define VIRTIO_MMIO_CONFIG_GENERATION 0x0fc + +/* The config space is defined by each driver as + * the per-driver configuration space - Read Write */ +#define VIRTIO_MMIO_CONFIG 0x100 + + + +/* + * Interrupt flags (re: interrupt status & acknowledge registers) + */ + +#define VIRTIO_MMIO_INT_VRING (1 << 0) +#define VIRTIO_MMIO_INT_CONFIG (1 << 1) + +#endif diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index 90007a1abcab..15b4385a2be1 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -79,7 +79,7 @@ * configuration space */ #define VIRTIO_PCI_CONFIG_OFF(msix_enabled) ((msix_enabled) ? 24 : 20) /* Deprecated: please use VIRTIO_PCI_CONFIG_OFF instead */ -#define VIRTIO_PCI_CONFIG(dev) VIRTIO_PCI_CONFIG_OFF((dev)->msix_enabled) +#define VIRTIO_PCI_CONFIG(dev) VIRTIO_PCI_CONFIG_OFF((dev)->pci_dev->msix_enabled) /* Virtio ABI version, this must match exactly */ #define VIRTIO_PCI_ABI_VERSION 0 |
