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remoteproc updates for v4.17

Browse source 
This adds support for generating coredumps for remoteprocs using
 devcoredump, adds the Qualcomm sysmon driver for intra-remoteproc crash
 handling and a number of fixes in Qualcomm and IMX drivers.
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Merge tag 'rproc-v4.17' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:

 - add support for generating coredumps for remoteprocs using
   devcoredump

 - add the Qualcomm sysmon driver for intra-remoteproc crash handling

 - a number of fixes in Qualcomm and IMX drivers

* tag 'rproc-v4.17' of git://github.com/andersson/remoteproc:
  remoteproc: fix null pointer dereference on glink only platforms
  soc: qcom: qmi: add CONFIG_NET dependency
  remoteproc: imx_rproc: Slightly simplify code in 'imx_rproc_probe()'
  remoteproc: imx_rproc: Re-use existing error handling path in 'imx_rproc_probe()'
  remoteproc: imx_rproc: Fix an error handling path in 'imx_rproc_probe()'
  samples: Introduce Qualcomm QMI sample client
  remoteproc: qcom: Introduce sysmon
  remoteproc: Pass type of shutdown to subdev remove
  remoteproc: qcom: Register segments for core dump
  soc: qcom: mdt-loader: Return relocation base
  remoteproc: Rename "load_rsc_table" to "parse_fw"
  remoteproc: Add remote processor coredump support
  remoteproc: Remove null character write of shared mem
This commit is contained in:
Linus Torvalds 2018-04-10 12:09:27 -07:00
commit 92589cbdda
21 changed files with 1524 additions and 56 deletions
Download patch file Download diff file Expand all files Collapse all files

27
include/linux/remoteproc.h
View file

@ -344,7 +344,7 @@ struct rproc_ops {
int (*stop)(struct rproc *rproc);
void (*kick)(struct rproc *rproc, int vqid);
void * (*da_to_va)(struct rproc *rproc, u64 da, int len);
int (*load_rsc_table)(struct rproc *rproc, const struct firmware *fw);
int (*parse_fw)(struct rproc *rproc, const struct firmware *fw);
struct resource_table *(*find_loaded_rsc_table)(
struct rproc *rproc, const struct firmware *fw);
int (*load)(struct rproc *rproc, const struct firmware *fw);
@ -394,6 +394,21 @@ enum rproc_crash_type {
RPROC_FATAL_ERROR,
};
/**
* struct rproc_dump_segment - segment info from ELF header
* @node: list node related to the rproc segment list
* @da: device address of the segment
* @size: size of the segment
*/
struct rproc_dump_segment {
struct list_head node;
dma_addr_t da;
size_t size;
loff_t offset;
};
/**
* struct rproc - represents a physical remote processor device
* @node: list node of this rproc object
@ -424,6 +439,7 @@ enum rproc_crash_type {
* @cached_table: copy of the resource table
* @table_sz: size of @cached_table
* @has_iommu: flag to indicate if remote processor is behind an MMU
* @dump_segments: list of segments in the firmware
*/
struct rproc {
struct list_head node;
@ -455,19 +471,21 @@ struct rproc {
size_t table_sz;
bool has_iommu;
bool auto_boot;
struct list_head dump_segments;
};
/**
* struct rproc_subdev - subdevice tied to a remoteproc
* @node: list node related to the rproc subdevs list
* @probe: probe function, called as the rproc is started
* @remove: remove function, called as the rproc is stopped
* @remove: remove function, called as the rproc is being stopped, the @crashed
* parameter indicates if this originates from the a recovery
*/
struct rproc_subdev {
struct list_head node;
int (*probe)(struct rproc_subdev *subdev);
void (*remove)(struct rproc_subdev *subdev);
void (*remove)(struct rproc_subdev *subdev, bool crashed);
};
/* we currently support only two vrings per rvdev */
@ -534,6 +552,7 @@ void rproc_free(struct rproc *rproc);
int rproc_boot(struct rproc *rproc);
void rproc_shutdown(struct rproc *rproc);
void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type);
int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size);
static inline struct rproc_vdev *vdev_to_rvdev(struct virtio_device *vdev)
{
@ -550,7 +569,7 @@ static inline struct rproc *vdev_to_rproc(struct virtio_device *vdev)
void rproc_add_subdev(struct rproc *rproc,
struct rproc_subdev *subdev,
int (*probe)(struct rproc_subdev *subdev),
void (*remove)(struct rproc_subdev *subdev));
void (*remove)(struct rproc_subdev *subdev, bool graceful));
void rproc_remove_subdev(struct rproc *rproc, struct rproc_subdev *subdev);

3
include/linux/soc/qcom/mdt_loader.h
View file

@ -14,6 +14,7 @@ struct firmware;
ssize_t qcom_mdt_get_size(const struct firmware *fw);
int qcom_mdt_load(struct device *dev, const struct firmware *fw,
const char *fw_name, int pas_id, void *mem_region,
phys_addr_t mem_phys, size_t mem_size);
phys_addr_t mem_phys, size_t mem_size,
phys_addr_t *reloc_base);
#endif