raw/cnxk_gpio: release queue

Add support for queue release.

Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>

diff --git a/drivers/raw/cnxk_gpio/cnxk_gpio.c b/drivers/raw/cnxk_gpio/cnxk_gpio.c
index 9baa43187e42c5a3bf8b57e0f87d0c2dcde19731..ec82a559187eb1a85e6eb768ce499bdced2e9a71 100644 (file)
--- a/drivers/raw/cnxk_gpio/cnxk_gpio.c
+++ b/drivers/raw/cnxk_gpio/cnxk_gpio.c
@@ -217,6 +217,29 @@ cnxk_gpio_queue_setup(struct rte_rawdev *dev, uint16_t queue_id,
        return 0;
 }
 
+static int
+cnxk_gpio_queue_release(struct rte_rawdev *dev, uint16_t queue_id)
+{
+       struct cnxk_gpiochip *gpiochip = dev->dev_private;
+       char buf[CNXK_GPIO_BUFSZ];
+       struct cnxk_gpio *gpio;
+       int ret;
+
+       gpio = cnxk_gpio_lookup(gpiochip, queue_id);
+       if (!gpio)
+               return -ENODEV;
+
+       snprintf(buf, sizeof(buf), "%s/unexport", CNXK_GPIO_CLASS_PATH);
+       ret = cnxk_gpio_write_attr_int(buf, gpiochip->base + queue_id);
+       if (ret)
+               return ret;
+
+       gpiochip->gpios[queue_id] = NULL;
+       rte_free(gpio);
+
+       return 0;
+}
+
 static int
 cnxk_gpio_queue_def_conf(struct rte_rawdev *dev, uint16_t queue_id,
                         rte_rawdev_obj_t queue_conf, size_t queue_conf_size)
@@ -256,6 +279,7 @@ static const struct rte_rawdev_ops cnxk_gpio_rawdev_ops = {
        .queue_def_conf = cnxk_gpio_queue_def_conf,
        .queue_count = cnxk_gpio_queue_count,
        .queue_setup = cnxk_gpio_queue_setup,
+       .queue_release = cnxk_gpio_queue_release,
 };
 
 static int
@@ -329,6 +353,8 @@ cnxk_gpio_remove(struct rte_vdev_device *dev)
        char name[RTE_RAWDEV_NAME_MAX_LEN];
        struct cnxk_gpiochip *gpiochip;
        struct rte_rawdev *rawdev;
+       struct cnxk_gpio *gpio;
+       int i;
 
        RTE_SET_USED(dev);
 
@@ -341,6 +367,14 @@ cnxk_gpio_remove(struct rte_vdev_device *dev)
                return -ENODEV;
 
        gpiochip = rawdev->dev_private;
+       for (i = 0; i < gpiochip->num_gpios; i++) {
+               gpio = gpiochip->gpios[i];
+               if (!gpio)
+                       continue;
+
+               cnxk_gpio_queue_release(rawdev, gpio->num);
+       }
+
        rte_free(gpiochip->gpios);
        rte_rawdev_pmd_release(rawdev);