[Accel-config] [PATCH v1 1/4] accel-config: Add new wq functions in lib

[ramesh.thomas at intel.com]

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From: Ramesh Thomas <ramesh.thomas(a)intel.com>

Added new library functions:
accfg_wq_get_max_batch_size
accfg_wq_get_max_transfer_size
accfg_wq_set_max_batch_size
accfg_wq_set_max_transfer_size

Signed-off-by: Ramesh Thomas <ramesh.thomas(a)intel.com>
---
 accfg/lib/libaccel-config.sym |  8 ++++++
 accfg/lib/libaccfg.c          | 46 +++++++++++++++++++++++++++++++++++
 accfg/lib/private.h           |  2 ++
 accfg/libaccel_config.h       |  6 +++++
 4 files changed, 62 insertions(+)

diff --git a/accfg/lib/libaccel-config.sym b/accfg/lib/libaccel-config.sym
index 34bef4d..9768d42 100644
--- a/accfg/lib/libaccel-config.sym
+++ b/accfg/lib/libaccel-config.sym
@@ -130,3 +130,11 @@ global:
 	accfg_device_get_cmd_status;
 	accfg_device_get_cmd_status_str;
 } LIBACCFG_5;
+
+LIBACCFG_7 {
+global:
+	accfg_wq_get_max_batch_size;
+	accfg_wq_get_max_transfer_size;
+	accfg_wq_set_max_batch_size;
+	accfg_wq_set_max_transfer_size;
+} LIBACCFG_6;
diff --git a/accfg/lib/libaccfg.c b/accfg/lib/libaccfg.c
index 1a252e8..d55a246 100644
--- a/accfg/lib/libaccfg.c
+++ b/accfg/lib/libaccfg.c
@@ -633,6 +633,8 @@ static void *add_wq(void *parent, int id, const char *wq_base,
 	wq_type = accfg_get_param_str(ctx, dfd, "type");
 	wq->name = accfg_get_param_str(ctx, dfd, "name");
 	wq->threshold =  accfg_get_param_long(ctx, dfd, "threshold");
+	wq->max_batch_size =  accfg_get_param_long(ctx, dfd, "max_batch_size");
+	wq->max_transfer_size =  accfg_get_param_long(ctx, dfd, "max_transfer_size");
 
 	wq_parse_type(wq, wq_type);
 	free(wq_type);
@@ -1598,6 +1600,16 @@ ACCFG_EXPORT unsigned long accfg_wq_get_size(struct accfg_wq *wq)
 	return wq->size;
 }
 
+ACCFG_EXPORT unsigned int accfg_wq_get_max_batch_size(struct accfg_wq *wq)
+{
+	return wq->max_batch_size;
+}
+
+ACCFG_EXPORT unsigned long accfg_wq_get_max_transfer_size(struct accfg_wq *wq)
+{
+	return wq->max_transfer_size;
+}
+
 ACCFG_EXPORT int accfg_wq_get_clients(struct accfg_wq *wq)
 {
 	struct accfg_ctx *ctx = accfg_wq_get_ctx(wq);
@@ -1874,6 +1886,40 @@ accfg_wq_set_field(wq, val, priority)
 accfg_wq_set_field(wq, val, group_id)
 accfg_wq_set_field(wq, val, block_on_fault)
 accfg_wq_set_field(wq, val, threshold)
+accfg_wq_set_field(wq, val, max_batch_size)
+
+#define accfg_wq_set_long_field(wq, val, field) \
+ACCFG_EXPORT int accfg_wq_set_##field( \
+		struct accfg_wq *wq, unsigned long val) \
+{ \
+	struct accfg_ctx *ctx = accfg_wq_get_ctx(wq); \
+	char *path = wq->wq_buf; \
+	char buf[SYSFS_ATTR_SIZE]; \
+	int rc; \
+	rc = sprintf(wq->wq_buf, "%s/%s", wq->wq_path, #field); \
+	if (rc < 0) \
+		return -errno; \
+	if (sprintf(buf, "%ld", val) < 0) { \
+		err(ctx, "%s: sprintf to buf failed: %s\n", \
+				accfg_wq_get_devname(wq), \
+				strerror(errno)); \
+		return -errno; \
+	} \
+	if (!accfg_device_get_configurable(wq->device)) { \
+		err(ctx, "device is not configurable\n"); \
+		return -errno; \
+	} \
+	if (sysfs_write_attr(ctx, path, buf) < 0) { \
+		err(ctx, "%s: write failed: %s\n", \
+				accfg_wq_get_devname(wq), \
+				strerror(errno)); \
+		return -errno; \
+	} \
+	wq->field = val; \
+	return 0; \
+}
+
+accfg_wq_set_long_field(wq, val, max_transfer_size)
 
 #define accfg_wq_set_str_field(wq, val, field) \
 ACCFG_EXPORT int accfg_wq_set_str_##field( \
diff --git a/accfg/lib/private.h b/accfg/lib/private.h
index d444028..399c601 100644
--- a/accfg/lib/private.h
+++ b/accfg/lib/private.h
@@ -117,6 +117,8 @@ struct accfg_wq {
 	char *name;
 	enum accfg_wq_type type;
 	char *state;
+	unsigned int max_batch_size;
+	unsigned long max_transfer_size;
 };
 
 struct accfg_wq_uuid {
diff --git a/accfg/libaccel_config.h b/accfg/libaccel_config.h
index 616bb1f..706b371 100644
--- a/accfg/libaccel_config.h
+++ b/accfg/libaccel_config.h
@@ -93,6 +93,8 @@ struct wq_parameters {
 	unsigned int threshold;
 	unsigned int priority;
 	int block_on_fault;
+	unsigned int max_batch_size;
+	unsigned long max_transfer_size;
 	const char *mode;
 	const char *type;
 	const char *name;
@@ -239,6 +241,8 @@ enum accfg_wq_state accfg_wq_get_state(struct accfg_wq *wq);
 int accfg_wq_get_cdev_minor(struct accfg_wq *wq);
 const char *accfg_wq_get_type_name(struct accfg_wq *wq);
 enum accfg_wq_type accfg_wq_get_type(struct accfg_wq *wq);
+unsigned int accfg_wq_get_max_batch_size(struct accfg_wq *wq);
+unsigned long accfg_wq_get_max_transfer_size(struct accfg_wq *wq);
 int accfg_wq_get_threshold(struct accfg_wq *wq);
 int accfg_wq_get_clients(struct accfg_wq *wq);
 int accfg_wq_is_enabled(struct accfg_wq *wq);
@@ -247,6 +251,8 @@ int accfg_wq_set_priority(struct accfg_wq *wq, int val);
 int accfg_wq_set_group_id(struct accfg_wq *wq, int val);
 int accfg_wq_set_threshold(struct accfg_wq *wq, int val);
 int accfg_wq_set_block_on_fault(struct accfg_wq *wq, int val);
+int accfg_wq_set_max_batch_size(struct accfg_wq *wq, int val);
+int accfg_wq_set_max_transfer_size(struct accfg_wq *wq, unsigned long val);
 int accfg_wq_set_str_mode(struct accfg_wq *wq, const char* val);
 int accfg_wq_set_mode(struct accfg_wq *wq, enum accfg_wq_mode mode);
 int accfg_wq_set_str_type(struct accfg_wq *wq, const char* val);
-- 
2.26.2