kernel/linux.git/include/linux/remoteproc.h, branch v6.19.11

remoteproc: core: Export the rproc coredump APIs

2023-07-15T19:56:48+00:00

The remoteproc coredump APIs are currently only part of the internal remoteproc header. This prevents the remoteproc platform drivers from using these APIs when needed. This change moves the rproc_coredump() and rproc_coredump_cleanup() APIs to the linux header and marks them as exported symbols. Signed-off-by: Siddharth Gupta Signed-off-by: Gokul krishna Krishnakumar Link: https://lore.kernel.org/r/20230224211707.30916-2-quic_gokukris@quicinc.com Signed-off-by: Bjorn Andersson

remoteproc: Introduce rproc features

2022-09-28T16:46:21+00:00

remote processor may support: - boot recovery with help from main processor - self recovery without help from main processor - iommu - etc Introduce rproc features could simplify code to avoid adding more bool flags Acked-by: Arnaud Pouliquen Signed-off-by: Peng Fan Link: https://lore.kernel.org/r/20220928064756.4059662-2-peng.fan@oss.nxp.com Signed-off-by: Mathieu Poirier

remoteproc: virtio: Create platform device for the remoteproc_virtio

2022-09-21T17:15:04+00:00

Define a platform driver to manage the remoteproc virtio device as a platform devices. The platform device allows to pass rproc_vdev_data platform data to specify properties that are stored in the rproc_vdev structure. Such approach will allow to preserve legacy remoteproc virtio device creation but also to probe the device using device tree mechanism. remoteproc_virtio.c update: - Add rproc_virtio_driver platform driver. The probe ops replaces the rproc_rvdev_add_device function. - All reference to the rvdev->dev has been updated to rvdev-pdev->dev. - rproc_rvdev_release is removed as associated to the rvdev device. - The use of rvdev->kref counter is replaced by get/put_device on the remoteproc virtio platform device. - The vdev device no longer increments rproc device counter. increment/decrement is done in rproc_virtio_probe/rproc_virtio_remove function in charge of the vrings allocation/free. remoteproc_core.c update: Migrate from the rvdev device to the rvdev platform device. From this patch, when a vdev resource is found in the resource table the remoteproc core register a platform device. Signed-off-by: Arnaud Pouliquen Link: https://lore.kernel.org/r/20220921135044.917140-5-arnaud.pouliquen@foss.st.com Signed-off-by: Mathieu Poirier

remoteproc: rename len of rpoc_vring to num

2022-08-11T08:06:37+00:00

Rename the member len in the structure rpoc_vring to num. And remove 'in bytes' from the comment of it. This is misleading. Because this actually refers to the size of the virtio vring to be created. The unit is not bytes. Signed-off-by: Xuan Zhuo Message-Id: <20220624025621.128843-2-xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin

remoteproc: Change rproc_shutdown() to return a status

2022-03-11T20:31:55+00:00

The rproc_shutdown() function is currently not returning any error code, and any failures within rproc_stop() are not passed back to the users. Change the signature to return a success value back to the callers. The remoteproc sysfs and cdev interfaces are also updated to return back this status to userspace. Signed-off-by: Suman Anna Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220213201246.25952-2-s-anna@ti.com

remoteproc: move rproc_da_to_va declaration to remoteproc.h

2022-03-11T18:08:09+00:00

The rproc_da_to_va() API is an exported function, so move its declaration from the remoteproc local remoteproc_internal.h to the public remoteproc.h file. This will allow drivers outside of the remoteproc folder to be able to use this API. Signed-off-by: Suman Anna Signed-off-by: Dave Gerlach [adjusted line numbers to apply] Signed-off-by: Drew Fustini Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220308172515.29556-1-dfustini@baylibre.com

remoteproc: Introduce sysfs_read_only flag

2022-03-04T16:28:25+00:00

The remoteproc framework provides sysfs interfaces for changing the firmware name and for starting/stopping a remote processor through the sysfs files 'state' and 'firmware'. The 'coredump' file is used to set the coredump configuration. The 'recovery' sysfs file can also be used similarly to control the error recovery state machine of a remoteproc. These interfaces are currently allowed irrespective of how the remoteprocs were booted (like remoteproc self auto-boot, remoteproc client-driven boot etc). These interfaces can adversely affect a remoteproc and its clients especially when a remoteproc is being controlled by a remoteproc client driver(s). Also, not all remoteproc drivers may want to support the sysfs interfaces by default. Add support to make the remoteproc sysfs files read only by introducing a state flag 'sysfs_read_only' that the individual remoteproc drivers can set based on their usage needs. The default behavior is to allow the sysfs operations as before. Implement attribute_group->is_visible() to make the sysfs entries read only when 'sysfs_read_only' flag is set. Signed-off-by: Puranjay Mohan Link: https://lore.kernel.org/r/20220216081224.9956-2-p-mohan@ti.com Signed-off-by: Mathieu Poirier

remoteproc: Remove vdev_to_rvdev and vdev_to_rproc from remoteproc API

2021-10-15T14:49:55+00:00

These both functions are only used by the remoteproc_virtio. There is no reason to expose them in the API. Move the functions in remoteproc_virtio.c Signed-off-by: Arnaud Pouliquen Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20211001101234.4247-4-arnaud.pouliquen@foss.st.com

remoteproc: fix kernel doc for struct rproc_ops

2021-07-28T19:57:31+00:00

The load_rsc_table was removed since the commit c1d35c1ab424 ("remoteproc: Rename "load_rsc_table" to "parse_fw"") but got added back again by mistake in the below commit: commit b1a17513a2d6 ("remoteproc: add vendor resources handling"). The patch fixed a small code indent issue which not worth a separate patch. Fixes: b1a17513a2d6 ("remoteproc: add vendor resources handling") Signed-off-by: Dong Aisheng Link: https://lore.kernel.org/r/20210706142156.952794-2-aisheng.dong@nxp.com Signed-off-by: Bjorn Andersson

remoteproc: Fix various kernel-doc warnings

2021-05-28T03:07:43+00:00

Fix all the kernel-doc warnings in various remoteproc core files. Some of them just needed a formatting cleanup change, while others needed the Return statement to be added, or documenting the missed structure elements. Reviewed-by: Mathieu Poirier Signed-off-by: Suman Anna Link: https://lore.kernel.org/r/20210519180304.23563-3-s-anna@ti.com Signed-off-by: Bjorn Andersson