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diff --git a/sys/dev/firmware/arm/scmi_raw.c b/sys/dev/firmware/arm/scmi_raw.c
--- a/sys/dev/firmware/arm/scmi_raw.c
+++ b/sys/dev/firmware/arm/scmi_raw.c
@@ -45,6 +45,7 @@
#include <sys/refcount.h>
#include <sys/stat.h>
#include <sys/selinfo.h>
+#include <sys/sysctl.h>
#include <sys/types.h>
#include <sys/uio.h>
@@ -134,6 +135,7 @@
struct cdev *cdevs[RAW_DEV_MAX];
device_t dev;
struct scmi_raw_buf_queue *rbqs[RB_QUEUES_MAX];
+ struct sysctl_oid *sysctl_raw;
};
static d_read_t scmi_raw_device_read;
@@ -340,14 +342,30 @@
struct scmi_softc *sc;
sc = device_get_softc(raw->dev);
- for (int i = 0; i < RB_QUEUES_MAX; i++)
+
+ raw->sysctl_raw = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(sc->sysctl_root),
+ OID_AUTO, "raw", CTLFLAG_RD, 0, "SCMI RAW properties");
+
+ for (int i = 0; i < RB_QUEUES_MAX; i++) {
+ struct sysctl_oid *sysctl_rbq;
+
raw->rbqs[i] = scmi_raw_buf_queue_allocate(raw->dev, rbq_names[i],
SCMI_MAX_MSG(sc), SCMI_MAX_MSG_SIZE(sc));
+
+ sysctl_rbq = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(raw->sysctl_raw),
+ OID_AUTO, rbq_names[i], CTLFLAG_RD, 0, "SCMI RAW Queue properties");
+ SYSCTL_ADD_INT(NULL, SYSCTL_CHILDREN(sysctl_rbq), OID_AUTO, "frees",
+ CTLFLAG_RD, &raw->rbqs[i]->cnt[Q_FREE], 0, "SCMI RAW per-queue free bufs");
+ SYSCTL_ADD_INT(NULL, SYSCTL_CHILDREN(sysctl_rbq), OID_AUTO, "pending",
+ CTLFLAG_RD, &raw->rbqs[i]->cnt[Q_READ], 0, "SCMI RAW per-queue pending bufs");
+ }
}
static void
scmi_raw_buf_queues_cleanup(struct scmi_raw *raw)
{
+ sysctl_remove_oid(raw->sysctl_raw, 0, 1);
+
for (int i = 0; i < RB_QUEUES_MAX; i++)
scmi_raw_buf_queue_free(raw->rbqs[i]);
}

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