From: Peng Fan <peng.fan@xxxxxxx>
remote processor may support:
- firmware 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
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
drivers/remoteproc/remoteproc_internal.h | 10 ++++++++++
include/linux/remoteproc.h | 7 +++++++
2 files changed, 17 insertions(+)
diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
index 72d4d3d7d94d..e9ae743c5587 100644
--- a/drivers/remoteproc/remoteproc_internal.h
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -24,6 +24,16 @@ struct rproc_debug_trace {
struct rproc_mem_entry trace_mem;
};
+static inline bool rproc_has_feature(struct rproc *rproc, unsigned int feature)
+{
+ return test_bit(feature, rproc->features);
+}
+
+static inline void rproc_set_feature(struct rproc *rproc, unsigned int feature)
+{
+ set_bit(feature, rproc->features);
+}
+
/* from remoteproc_core.c */
void rproc_release(struct kref *kref);
irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id);
diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 7c943f0a2fc4..7847c6b10a69 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -489,6 +489,11 @@ struct rproc_dump_segment {
loff_t offset;
};
+enum rproc_features {
+ RPROC_FEAT_ATTACH_RECOVERY,
+ RPROC_MAX_FEATURES,
+};
+
/**
* struct rproc - represents a physical remote processor device
* @node: list node of this rproc object
@@ -530,6 +535,7 @@ struct rproc_dump_segment {
* @elf_machine: firmware ELF machine
* @cdev: character device of the rproc
* @cdev_put_on_release: flag to indicate if remoteproc should be shutdown on @char_dev release
+ * @features: indicate remoteproc features
*/
struct rproc {
struct list_head node;
@@ -570,6 +576,7 @@ struct rproc {
u16 elf_machine;
struct cdev cdev;
bool cdev_put_on_release;
+ DECLARE_BITMAP(features, RPROC_MAX_FEATURES);
};
/**
--
2.25.1
