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From: Tomasz Duszynski <tduszynski@marvell.com>
To: <dev@dpdk.org>
CC: <thomas@monjalon.net>, <jerinj@marvell.com>, Tomasz Duszynski
<tduszynski@marvell.com>
Subject: [PATCH v4 05/11] raw/cnxk_gpio: support queue release
Date: Wed, 5 Jan 2022 15:00:14 +0100
Message-ID: <20220105140020.1615256-6-tduszynski@marvell.com>
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Add support for queue release.
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
---
drivers/raw/cnxk_gpio/cnxk_gpio.c | 34 +++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/drivers/raw/cnxk_gpio/cnxk_gpio.c b/drivers/raw/cnxk_gpio/cnxk_gpio.c
index c1e74fad43..71f568f7a4 100644
--- 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)
@@ -247,6 +270,7 @@ 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
@@ -320,6 +344,8 @@ 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);
@@ -332,6 +358,14 @@ 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);
--
2.25.1