The per segment dump function is responsible for loading the mba
before device memory segments associated with coredump can be populated
and for cleaning up the resources post coredump.
Signed-off-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
---
drivers/remoteproc/qcom_q6v5_pil.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c
index eacf9f0bf49e..ac3342f9ea5a 100644
--- a/drivers/remoteproc/qcom_q6v5_pil.c
+++ b/drivers/remoteproc/qcom_q6v5_pil.c
@@ -182,6 +182,7 @@ struct q6v5 {
struct qcom_sysmon *sysmon;
bool need_mem_protection;
bool has_alt_reset;
+ u32 valid_mask;
int mpss_perm;
int mba_perm;
int version;
@@ -924,6 +925,30 @@ static int q6v5_mpss_load(struct q6v5 *qproc)
return ret < 0 ? ret : 0;
}
+static void qcom_q6v5_dump_segment(struct rproc *rproc, void *ptr, size_t len,
+ void *priv)
+{
+ int ret = 0;
+ struct q6v5 *qproc = (struct q6v5 *)rproc->priv;
+ static u32 pending_mask;
+
+ /* Unlock mba before copying segments */
+ if (!qproc->mba_loaded)
+ ret = q6v5_mba_load(qproc);
+
+ if (!ptr || ret)
+ memset(priv, 0xff, len);
+ else
+ memcpy(priv, ptr, len);
+
+ pending_mask++;
+ if (pending_mask == qproc->valid_mask) {
+ if (qproc->mba_loaded)
+ q6v5_mba_reclaim(qproc);
+ pending_mask = 0;
+ }
+}
+
static int q6v5_start(struct rproc *rproc)
{
struct q6v5 *qproc = (struct q6v5 *)rproc->priv;
--
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