/**
* struct fsl_hv_ioctl_restart - restart a partition
* @ret: return error code from the hypervisor
* @partition: the ID of the partition to restart, or -1 for the
* calling partition
*
* Used by FSL_HV_IOCTL_PARTITION_RESTART
*/
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_addr: user-space virtual address of a buffer in the local
* partition
* @remote_addr: 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;
__u32 target;
__u32 reserved; /* padding to ensure local_vaddr is aligned */
__u64 local_vaddr;
__u64 remote_paddr;
__u64 count;
};
/**
* struct fsl_hv_ioctl_doorbell - ring a doorbell
* @ret: return error code from the hypervisor
* @doorbell: the handle of the doorbell to ring doorbell
*
* Used by FSL_HV_IOCTL_DOORBELL
*/
struct fsl_hv_ioctl_doorbell {
__u32 ret;
__u32 doorbell;
};
/**
* struct fsl_hv_ioctl_prop - get/set a device tree property
* @ret: return error code from the hypervisor
* @handle: handle of partition whose tree to access
* @path: virtual address of path name of node to access
* @propname: virtual address of name of property to access
* @propval: virtual address of property data buffer
* @proplen: Size of property data buffer
* @reserved: reserved, must be set to 0
*
* Used by FSL_HV_IOCTL_DOORBELL
*/
struct fsl_hv_ioctl_prop {
__u32 ret;
__u32 handle;
__u64 path;
__u64 propname;
__u64 propval;
__u32 proplen;
__u32 reserved; /* padding to ensure structure is aligned */
};
/* The ioctl type, documented in ioctl-number.txt */
#define FSL_HV_IOCTL_TYPE 0xAF
/* Restart another partition */
#define FSL_HV_IOCTL_PARTITION_RESTART \
_IOWR(FSL_HV_IOCTL_TYPE, 1, struct fsl_hv_ioctl_restart)
/* Get a partition's status */
#define FSL_HV_IOCTL_PARTITION_GET_STATUS \
_IOWR(FSL_HV_IOCTL_TYPE, 2, struct fsl_hv_ioctl_status)
/* Boot another partition */
#define FSL_HV_IOCTL_PARTITION_START \
_IOWR(FSL_HV_IOCTL_TYPE, 3, struct fsl_hv_ioctl_start)
/* Stop this or another partition */
#define FSL_HV_IOCTL_PARTITION_STOP \
_IOWR(FSL_HV_IOCTL_TYPE, 4, struct fsl_hv_ioctl_stop)
/* Copy data from one partition to another */
#define FSL_HV_IOCTL_MEMCPY \
_IOWR(FSL_HV_IOCTL_TYPE, 5, struct fsl_hv_ioctl_memcpy)
/* Ring a doorbell */
#define FSL_HV_IOCTL_DOORBELL \
_IOWR(FSL_HV_IOCTL_TYPE, 6, struct fsl_hv_ioctl_doorbell)
/* Get a property from another guest's device tree */
#define FSL_HV_IOCTL_GETPROP \
_IOWR(FSL_HV_IOCTL_TYPE, 7, struct fsl_hv_ioctl_prop)
/* Set a property in another guest's device tree */
#define FSL_HV_IOCTL_SETPROP \
_IOWR(FSL_HV_IOCTL_TYPE, 8, struct fsl_hv_ioctl_prop)
#endif /* FSL_HYPERVISOR_H */