[07/10] raw/cnxk_gpio: support dequeuing buffers
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Commit Message
Add support for dequeuing buffers.
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
---
drivers/raw/cnxk_gpio/cnxk_gpio.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
@@ -307,8 +307,34 @@ cnxk_gpio_enqueue_bufs(struct rte_rawdev *dev, struct rte_rawdev_buf **buffers,
return 1;
}
+static int
+cnxk_gpio_dequeue_bufs(struct rte_rawdev *dev, struct rte_rawdev_buf **buffers,
+ unsigned int count, rte_rawdev_obj_t context)
+{
+ struct cnxk_gpiochip *gpiochip = dev->dev_private;
+ unsigned int queue = (size_t)context;
+ struct cnxk_gpio *gpio;
+
+ if (count == 0)
+ return 0;
+
+ gpio = cnxk_gpio_lookup(gpiochip, queue);
+ if (!gpio)
+ return -ENODEV;
+
+ if (gpio->rsp) {
+ buffers[0]->buf_addr = gpio->rsp;
+ gpio->rsp = NULL;
+
+ return 1;
+ }
+
+ return 0;
+}
+
static const struct rte_rawdev_ops cnxk_gpio_rawdev_ops = {
.enqueue_bufs = cnxk_gpio_enqueue_bufs,
+ .dequeue_bufs = cnxk_gpio_dequeue_bufs,
.queue_def_conf = cnxk_gpio_queue_def_conf,
.queue_count = cnxk_gpio_queue_count,
.queue_setup = cnxk_gpio_queue_setup,