* also be included by applications that need to communicate with the driver
* via the ioctl interface.
*/
-
#ifndef FSL_HYPERVISOR_H
#define FSL_HYPERVISOR_H
-#include <linux/types.h>
-
-/**
- * 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;
-};
+#include <uapi/linux/fsl_hypervisor.h>
-/**
- * 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)
-
-#ifdef __KERNEL__
/**
* fsl_hv_event_register() - register a callback for failover events
int fsl_hv_failover_unregister(struct notifier_block *nb);
#endif
-
-#endif
projects / cascardo / linux.git / blobdiff