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From: Rishabh Bhatnagar <rishabhb@codeaurora.org>
To: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: bjorn.andersson@linaro.org, mathieu.poirier@linaro.org,
	sibis@codearora.org, tsoni@codeaurora.org,
	psodagud@codeaurora.org, sidgup@codeaurora.org,
	Rishabh Bhatnagar <rishabhb@codeaurora.org>
Subject: [PATCH v8 3/5] remoteproc: Pass size and offset as arguments to segment dump function
Date: Thu, 16 Jul 2020 15:20:33 -0700
Message-ID: <1594938035-7327-4-git-send-email-rishabhb@codeaurora.org> (raw)
In-Reply-To: <1594938035-7327-1-git-send-email-rishabhb@codeaurora.org>

Change the segment dump API signature to include size and offset
arguments. Refactor the qcom_q6v5_mss driver to use these
arguments while copying the segment. Doing this lays the ground
work for "inline" coredump functionality being added in the next
patch.

Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
---
 drivers/remoteproc/qcom_q6v5_mss.c       | 10 +++++-----
 drivers/remoteproc/remoteproc_coredump.c |  5 +++--
 include/linux/remoteproc.h               |  5 +++--
 3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index 037cd45..6baa3ae 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -1199,7 +1199,7 @@ static int q6v5_mpss_load(struct q6v5 *qproc)
 
 static void qcom_q6v5_dump_segment(struct rproc *rproc,
 				   struct rproc_dump_segment *segment,
-				   void *dest)
+				   void *dest, size_t cp_offset, size_t size)
 {
 	int ret = 0;
 	struct q6v5 *qproc = rproc->priv;
@@ -1219,16 +1219,16 @@ static void qcom_q6v5_dump_segment(struct rproc *rproc,
 	}
 
 	if (!ret)
-		ptr = ioremap_wc(qproc->mpss_phys + offset, segment->size);
+		ptr = ioremap_wc(qproc->mpss_phys + offset + cp_offset, size);
 
 	if (ptr) {
-		memcpy(dest, ptr, segment->size);
+		memcpy(dest, ptr, size);
 		iounmap(ptr);
 	} else {
-		memset(dest, 0xff, segment->size);
+		memset(dest, 0xff, size);
 	}
 
-	qproc->current_dump_size += segment->size;
+	qproc->current_dump_size += size;
 
 	/* Reclaim mba after copying segments */
 	if (qproc->current_dump_size == qproc->total_dump_size) {
diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
index ded0244..390f563 100644
--- a/drivers/remoteproc/remoteproc_coredump.c
+++ b/drivers/remoteproc/remoteproc_coredump.c
@@ -72,7 +72,8 @@ int rproc_coredump_add_custom_segment(struct rproc *rproc,
 				      dma_addr_t da, size_t size,
 				      void (*dumpfn)(struct rproc *rproc,
 						     struct rproc_dump_segment *segment,
-						     void *dest),
+						     void *dest, size_t offset,
+						     size_t size),
 				      void *priv)
 {
 	struct rproc_dump_segment *segment;
@@ -183,7 +184,7 @@ void rproc_coredump(struct rproc *rproc)
 		elf_phdr_set_p_align(class, phdr, 0);
 
 		if (segment->dump) {
-			segment->dump(rproc, segment, data + offset);
+			segment->dump(rproc, segment, data + offset, 0, segment->size);
 		} else {
 			ptr = rproc_da_to_va(rproc, segment->da, segment->size);
 			if (!ptr) {
diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index e7b7bab..eb08139 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -451,7 +451,7 @@ struct rproc_dump_segment {
 
 	void *priv;
 	void (*dump)(struct rproc *rproc, struct rproc_dump_segment *segment,
-		     void *dest);
+		     void *dest, size_t offset, size_t size);
 	loff_t offset;
 };
 
@@ -630,7 +630,8 @@ int rproc_coredump_add_custom_segment(struct rproc *rproc,
 				      dma_addr_t da, size_t size,
 				      void (*dumpfn)(struct rproc *rproc,
 						     struct rproc_dump_segment *segment,
-						     void *dest),
+						     void *dest, size_t offset,
+						     size_t size),
 				      void *priv);
 int rproc_coredump_set_elf_info(struct rproc *rproc, u8 class, u16 machine);
 
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


  parent reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-16 22:20 [PATCH v8 0/5] Extend coredump functionality Rishabh Bhatnagar
2020-07-16 22:20 ` [PATCH v8 1/5] remoteproc: Move coredump functionality to a new file Rishabh Bhatnagar
2020-07-16 22:20 ` [PATCH v8 2/5] remoteproc: qcom_q6v5_mss: Replace mask based tracking with size Rishabh Bhatnagar
2020-07-17  5:01   ` Bjorn Andersson
2020-07-16 22:20 ` Rishabh Bhatnagar [this message]
2020-07-17  5:03   ` [PATCH v8 3/5] remoteproc: Pass size and offset as arguments to segment dump function Bjorn Andersson
2020-07-17 11:05   ` Sibi Sankar
2020-07-20 16:59   ` Mathieu Poirier
2020-07-16 22:20 ` [PATCH v8 4/5] remoteproc: Add inline coredump functionality Rishabh Bhatnagar
2020-07-17  5:13   ` Bjorn Andersson
2020-07-17 11:03   ` Sibi Sankar
2020-07-20 17:07   ` Mathieu Poirier
2020-07-16 22:20 ` [PATCH v8 5/5] remoteproc: Add coredump debugfs entry Rishabh Bhatnagar

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