include/uapi/linux/fsl_hypervisor.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/fsl_hypervisor.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/fsl_hypervisor.h
Extension
.h
Size
7318 bytes
Lines
222
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct fsl_hv_ioctl_restart {
	__u32 ret;
	__u32 partition;
};

/**
 * struct fsl_hv_ioctl_status - get a partition's status
 * @ret: return error code from the hypervisor
 * @partition: the ID of the partition to query, or -1 for the
 *             calling partition
 * @status: The returned status of the partition
 *
 * Used by FSL_HV_IOCTL_PARTITION_GET_STATUS
 *
 * Values of 'status':
 *    0 = Stopped
 *    1 = Running
 *    2 = Starting
 *    3 = Stopping
 */
struct fsl_hv_ioctl_status {
	__u32 ret;
	__u32 partition;
	__u32 status;
};

/**
 * struct fsl_hv_ioctl_start - start a partition
 * @ret: return error code from the hypervisor
 * @partition: the ID of the partition to control
 * @entry_point: The offset within the guest IMA to start execution
 * @load: If non-zero, reload the partition's images before starting
 *
 * Used by FSL_HV_IOCTL_PARTITION_START
 */
struct fsl_hv_ioctl_start {
	__u32 ret;
	__u32 partition;
	__u32 entry_point;
	__u32 load;
};

/**
 * struct fsl_hv_ioctl_stop - stop a partition
 * @ret: return error code from the hypervisor
 * @partition: the ID of the partition to stop, or -1 for the calling
 *             partition
 *
 * Used by FSL_HV_IOCTL_PARTITION_STOP
 */
struct fsl_hv_ioctl_stop {
	__u32 ret;
	__u32 partition;
};

/**
 * struct fsl_hv_ioctl_memcpy - copy memory between partitions
 * @ret: return error code from the hypervisor
 * @source: the partition ID of the source partition, or -1 for this
 *          partition
 * @target: the partition ID of the target partition, or -1 for this
 *          partition
 * @reserved: reserved, must be set to 0
 * @local_vaddr: user-space virtual address of a buffer in the local
 *              partition
 * @remote_paddr: guest physical address of a buffer in the
 *           remote partition
 * @count: the number of bytes to copy.  Both the local and remote
 *         buffers must be at least 'count' bytes long
 *
 * Used by FSL_HV_IOCTL_MEMCPY
 *
 * The 'local' partition is the partition that calls this ioctl.  The
 * 'remote' partition is a different partition.  The data is copied from
 * the 'source' paritition' to the 'target' partition.
 *
 * The buffer in the remote partition must be guest physically
 * contiguous.
 *
 * This ioctl does not support copying memory between two remote
 * partitions or within the same partition, so either 'source' or
 * 'target' (but not both) must be -1.  In other words, either
 *
 *      source == local and target == remote
 * or
 *      source == remote and target == local
 */
struct fsl_hv_ioctl_memcpy {
	__u32 ret;
	__u32 source;

Annotation

Implementation Notes