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

2 files changed, 25 insertions, 5 deletions

diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 728d421fffe9..d09a9c7af109 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -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);
@@ -395,6 +395,21 @@ enum rproc_crash_type {
 };
 
 /**
+ * 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
  * @domain: iommu domain
@@ -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);
 
diff --git a/include/linux/soc/qcom/mdt_loader.h b/include/linux/soc/qcom/mdt_loader.h
index bd8e0864b059..5b98bbdabc25 100644
--- a/include/linux/soc/qcom/mdt_loader.h
+++ b/include/linux/soc/qcom/mdt_loader.h
@@ -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