include/linux/remoteproc.h

40 #include <linux/virtio.h>
47  * struct resource_table - firmware resource table header
81  * struct fw_rsc_hdr - firmware resource entry header
95  * enum fw_resource_type - types of resource entries
99  * @RSC_DEVMEM:     request to iommu_map a memory-based peripheral.
102  * @RSC_VDEV:       declare support for a virtio device, and serve as its
103  *		    virtio header.
126 #define FW_RSC_ADDR_ANY (-1)
129  * struct fw_rsc_carveout - physically contiguous memory request
133  * @flags: iommu protection flags
135  * @name: human-readable name of the requested memory region
146  * needed to map it (in case @rproc is using an IOMMU). Reducing the TLB
155  * isn't using an iommu. In that case, though, it will obviously contain
159  * even if they do use an iommu. This is needed, e.g., if they control
167  * @flags is used to provide IOMMU protection flags, and @name should
181  * struct fw_rsc_devmem - iommu mapping request
185  * @flags: iommu protection flags
187  * @name: human-readable name of the requested region to be mapped
189  * This resource entry requests the host to iommu map a physically contiguous
191  * access to certain memory-based peripherals; _never_ use it to access
195  * via an iommu.
199  * the mapping and @flags is the IOMMU protection flags. As always, @name may
219  * struct fw_rsc_trace - trace buffer declaration
223  * @name: human-readable name of the trace buffer
242  * struct fw_rsc_vdev_vring - vring descriptor entry
246  * @notifyid: a unique rproc-wide notify index for this vring. This notify
267  * struct fw_rsc_vdev - virtio device header
268  * @id: virtio device id (as in virtio_ids.h)
269  * @notifyid: a unique rproc-wide notify index for this vdev. This notify
272  * @dfeatures: specifies the virtio device features supported by the firmware
275  * @config_len: the size of the virtio config space of this vdev. The config
277  * @status: a place holder where the host will indicate its virtio progress.
282  * This resource is a virtio device header: it provides information about
284  * to negotiate and share certain virtio properties.
293  *    processors. We use the name 'gfeatures' to comply with virtio's terms,
298  * 2. immediately following this structure is the virtio config space for
299  *    this vdev (which is specific to the vdev; for more info, read the virtio
317  * struct rproc_mem_entry - memory entry descriptor
328  * @flags: iommu protection flags
351  * enum rsc_handling_status - return status of rproc_ops handle_rsc hook
361  * struct rproc_ops - platform-specific device handlers
409  * enum rproc_state - remote processor states
423  * to rproc_state_string, a state-to-name lookup table,
440  * enum rproc_crash_type - remote processor crash types
441  * @RPROC_MMUFAULT:	iommu fault
457  * enum rproc_dump_mechanism - Coredump options for core
471  * struct rproc_dump_segment - segment info from ELF header
493  * enum rproc_features - features supported
507  * struct rproc - represents a physical remote processor device
509  * @domain: iommu domain
512  * @priv: private data which belongs to the platform-specific rproc module
513  * @ops: platform-specific start/stop rproc handlers
523  * @mappings: list of iommu mappings we initiated, needed on shutdown
525  * @rvdevs: list of remote virtio devices
527  * @notifyids: idr for dynamically assigning rproc-wide unique notify ids
539  * @auto_boot: flag to indicate if remote processor should be auto-started
592  * struct rproc_subdev - subdevice tied to a remoteproc
614  * struct rproc_vring - remoteproc vring state
619  * @notifyid: rproc-specific unique vring index
634  * struct rproc_vdev - remoteproc state for a supported virtio device
636  * @pdev: remoteproc virtio platform device
637  * @id: virtio device id (as in virtio_ids.h)