[Pdbg] [PATCH v3 06/13] sbefifo: Add sbefifo procedure to get ffdc data

[Amitay Isaacs]

Signed-off-by: Amitay Isaacs <amitay at ozlabs.org>
---
 libpdbg/hwunit.h  | 1 +
 libpdbg/sbefifo.c | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/libpdbg/hwunit.h b/libpdbg/hwunit.h
index 0b0c62b..2d93443 100644
--- a/libpdbg/hwunit.h
+++ b/libpdbg/hwunit.h
@@ -70,6 +70,7 @@ struct sbefifo {
 	int (*istep)(struct sbefifo *, uint32_t major, uint32_t minor);
 	int (*mem_read)(struct sbefifo *, uint64_t, uint8_t *, uint64_t, bool);
 	int (*mem_write)(struct sbefifo *, uint64_t, uint8_t *, uint64_t, bool);
+	uint32_t (*ffdc_get)(struct sbefifo *, const uint8_t **, uint32_t *);
 	int fd;
 	uint32_t status;
 	uint8_t *ffdc;
diff --git a/libpdbg/sbefifo.c b/libpdbg/sbefifo.c
index 35c4e54..21907be 100644
--- a/libpdbg/sbefifo.c
+++ b/libpdbg/sbefifo.c
@@ -111,6 +111,14 @@ static void sbefifo_ffdc_set(struct sbefifo *sbefifo, uint8_t *buf, uint32_t buf
 	sbefifo->ffdc_len = buflen;
 }
 
+static uint32_t sbefifo_ffdc_get(struct sbefifo *sbefifo, const uint8_t **ffdc, uint32_t *ffdc_len)
+{
+	*ffdc = sbefifo->ffdc;
+	*ffdc_len = sbefifo->ffdc_len;
+
+	return sbefifo->status;
+}
+
 static int sbefifo_op(struct sbefifo *sbefifo,
 		      uint32_t *msg, size_t msg_len, uint16_t cmd,
 		      size_t out_len, uint8_t **out)
@@ -366,6 +374,7 @@ struct sbefifo kernel_sbefifo = {
 	.istep = sbefifo_op_istep,
 	.mem_read = sbefifo_op_getmem,
 	.mem_write = sbefifo_op_putmem,
+	.ffdc_get = sbefifo_ffdc_get,
 	.fd = -1,
 };
 DECLARE_HW_UNIT(kernel_sbefifo);
-- 
2.21.0