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From: Tomasz Duszynski <tduszynski@marvell.com>
To: <dev@dpdk.org>
Cc: <thomas@monjalon.net>, <jerin@marvell.com>,
	Tomasz Duszynski <tduszynski@marvell.com>
Subject: [PATCH v5 06/11] raw/cnxk_gpio: support enqueuing buffers
Date: Tue, 18 Jan 2022 14:24:19 +0100	[thread overview]
Message-ID: <20220118132424.2573372-7-tduszynski@marvell.com> (raw)
In-Reply-To: <20220118132424.2573372-1-tduszynski@marvell.com>

Add dummy support for enqueuing buffers.

Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
---
 drivers/raw/cnxk_gpio/cnxk_gpio.c         | 47 +++++++++++++++++++++++
 drivers/raw/cnxk_gpio/cnxk_gpio.h         |  1 +
 drivers/raw/cnxk_gpio/meson.build         |  1 +
 drivers/raw/cnxk_gpio/rte_pmd_cnxk_gpio.h | 38 ++++++++++++++++++
 4 files changed, 87 insertions(+)
 create mode 100644 drivers/raw/cnxk_gpio/rte_pmd_cnxk_gpio.h

diff --git a/drivers/raw/cnxk_gpio/cnxk_gpio.c b/drivers/raw/cnxk_gpio/cnxk_gpio.c
index ec82a55918..6f3795df41 100644
--- a/drivers/raw/cnxk_gpio/cnxk_gpio.c
+++ b/drivers/raw/cnxk_gpio/cnxk_gpio.c
@@ -14,6 +14,7 @@
 #include <roc_api.h>
 
 #include "cnxk_gpio.h"
+#include "rte_pmd_cnxk_gpio.h"
 
 #define CNXK_GPIO_BUFSZ 128
 #define CNXK_GPIO_CLASS_PATH "/sys/class/gpio"
@@ -274,8 +275,54 @@ cnxk_gpio_dev_close(struct rte_rawdev *dev)
 	return 0;
 }
 
+static int
+cnxk_gpio_process_buf(struct cnxk_gpio *gpio, struct rte_rawdev_buf *rbuf)
+{
+	struct cnxk_gpio_msg *msg = rbuf->buf_addr;
+	void *rsp = NULL;
+	int ret;
+
+	switch (msg->type) {
+	default:
+		return -EINVAL;
+	}
+
+	/* get rid of last response if any */
+	if (gpio->rsp) {
+		RTE_LOG(WARNING, PMD, "previous response got overwritten\n");
+		rte_free(gpio->rsp);
+	}
+	gpio->rsp = rsp;
+
+	return ret;
+}
+
+static int
+cnxk_gpio_enqueue_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;
+	int ret;
+
+	if (count == 0)
+		return 0;
+
+	gpio = cnxk_gpio_lookup(gpiochip, queue);
+	if (!gpio)
+		return -ENODEV;
+
+	ret = cnxk_gpio_process_buf(gpio, buffers[0]);
+	if (ret)
+		return ret;
+
+	return 1;
+}
+
 static const struct rte_rawdev_ops cnxk_gpio_rawdev_ops = {
 	.dev_close = cnxk_gpio_dev_close,
+	.enqueue_bufs = cnxk_gpio_enqueue_bufs,
 	.queue_def_conf = cnxk_gpio_queue_def_conf,
 	.queue_count = cnxk_gpio_queue_count,
 	.queue_setup = cnxk_gpio_queue_setup,
diff --git a/drivers/raw/cnxk_gpio/cnxk_gpio.h b/drivers/raw/cnxk_gpio/cnxk_gpio.h
index 4dae8316ba..6b54ebe6e6 100644
--- a/drivers/raw/cnxk_gpio/cnxk_gpio.h
+++ b/drivers/raw/cnxk_gpio/cnxk_gpio.h
@@ -9,6 +9,7 @@ struct cnxk_gpiochip;
 
 struct cnxk_gpio {
 	struct cnxk_gpiochip *gpiochip;
+	void *rsp;
 	int num;
 };
 
diff --git a/drivers/raw/cnxk_gpio/meson.build b/drivers/raw/cnxk_gpio/meson.build
index 9a7e716c1e..3fbfdd838c 100644
--- a/drivers/raw/cnxk_gpio/meson.build
+++ b/drivers/raw/cnxk_gpio/meson.build
@@ -6,3 +6,4 @@ deps += ['bus_vdev', 'common_cnxk', 'rawdev', 'kvargs']
 sources = files(
         'cnxk_gpio.c',
 )
+headers = files('rte_pmd_cnxk_gpio.h')
diff --git a/drivers/raw/cnxk_gpio/rte_pmd_cnxk_gpio.h b/drivers/raw/cnxk_gpio/rte_pmd_cnxk_gpio.h
new file mode 100644
index 0000000000..c71065e10c
--- /dev/null
+++ b/drivers/raw/cnxk_gpio/rte_pmd_cnxk_gpio.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#ifndef _RTE_PMD_CNXK_GPIO_H_
+#define _RTE_PMD_CNXK_GPIO_H_
+
+/**
+ * @file rte_pmd_cnxk_gpio.h
+ *
+ * Marvell GPIO PMD specific structures and interface
+ *
+ * This API allows applications to manage GPIOs in user space along with
+ * installing interrupt handlers for low latency signal processing.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Available message types */
+enum cnxk_gpio_msg_type {
+	/** Invalid message type */
+	CNXK_GPIO_MSG_TYPE_INVALID,
+};
+
+struct cnxk_gpio_msg {
+	/** Message type */
+	enum cnxk_gpio_msg_type type;
+	/** Message data passed to PMD or received from PMD */
+	void *data;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_PMD_CNXK_GPIO_H_ */
-- 
2.25.1


  parent reply	other threads:[~2022-01-18 13:25 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-17  0:21 [DPDK 22.02 PATCH 00/10] Add cnxk_gpio PMD Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 01/10] raw/cnxk_gpio: add GPIO driver skeleton Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 02/10] raw/cnxk_gpio: support reading default queue conf Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 03/10] raw/cnxk_gpio: support reading queue count Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 04/10] raw/cnxk_gpio: support queue setup Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 05/10] raw/cnxk_gpio: support queue release Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 06/10] raw/cnxk_gpio: support enqueuing buffers Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 07/10] raw/cnxk_gpio: support dequeuing buffers Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 08/10] raw/cnxk_gpio: support standard GPIO operations Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 09/10] raw/cnxk_gpio: support custom irq handlers Tomasz Duszynski
2021-11-17  0:21 ` [PATCH 10/10] raw/cnxk_gpio: support selftest Tomasz Duszynski
2021-11-17  1:17   ` Stephen Hemminger
2021-11-28 15:44 ` [DPDK 22.02 PATCH v2 00/10] Add cnxk_gpio PMD Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 01/10] raw/cnxk_gpio: add GPIO driver skeleton Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 02/10] raw/cnxk_gpio: support reading default queue conf Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 03/10] raw/cnxk_gpio: support reading queue count Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 04/10] raw/cnxk_gpio: support queue setup Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 05/10] raw/cnxk_gpio: support queue release Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 06/10] raw/cnxk_gpio: support enqueuing buffers Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 07/10] raw/cnxk_gpio: support dequeuing buffers Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 08/10] raw/cnxk_gpio: support standard GPIO operations Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 09/10] raw/cnxk_gpio: support custom irq handlers Tomasz Duszynski
2021-11-28 15:44   ` [PATCH v2 10/10] raw/cnxk_gpio: support selftest Tomasz Duszynski
2021-12-13  8:17   ` [PATCH v3 00/10] Add cnxk_gpio PMD Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 01/10] raw/cnxk_gpio: add GPIO driver skeleton Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 02/10] raw/cnxk_gpio: support reading default queue conf Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 03/10] raw/cnxk_gpio: support reading queue count Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 04/10] raw/cnxk_gpio: support queue setup Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 05/10] raw/cnxk_gpio: support queue release Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 06/10] raw/cnxk_gpio: support enqueuing buffers Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 07/10] raw/cnxk_gpio: support dequeuing buffers Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 08/10] raw/cnxk_gpio: support standard GPIO operations Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 09/10] raw/cnxk_gpio: support custom irq handlers Tomasz Duszynski
2021-12-13  8:17     ` [PATCH v3 10/10] raw/cnxk_gpio: support selftest Tomasz Duszynski
2022-01-05 14:00     ` [PATCH v4 00/11] Add cnxk_gpio Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 01/11] raw/cnxk_gpio: add GPIO driver skeleton Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 02/11] raw/cnxk_gpio: support reading default queue conf Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 03/11] raw/cnxk_gpio: support reading queue count Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 04/11] raw/cnxk_gpio: support queue setup Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 05/11] raw/cnxk_gpio: support queue release Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 06/11] raw/cnxk_gpio: support enqueuing buffers Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 07/11] raw/cnxk_gpio: support dequeuing buffers Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 08/11] raw/cnxk_gpio: support standard GPIO operations Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 09/11] raw/cnxk_gpio: support custom irq handlers Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 10/11] raw/cnxk_gpio: support selftest Tomasz Duszynski
2022-01-05 14:00       ` [PATCH v4 11/11] raw/cnxk_gpio: add option to allow using subset of GPIOs Tomasz Duszynski
2022-01-06  9:43       ` [PATCH v4 00/11] Add cnxk_gpio Jerin Jacob
2022-01-18 13:24       ` [PATCH v5 " Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 01/11] raw/cnxk_gpio: add GPIO driver skeleton Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 02/11] raw/cnxk_gpio: support reading default queue conf Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 03/11] raw/cnxk_gpio: support reading queue count Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 04/11] raw/cnxk_gpio: support queue setup Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 05/11] raw/cnxk_gpio: support queue release Tomasz Duszynski
2022-01-18 13:24         ` Tomasz Duszynski [this message]
2022-01-18 13:24         ` [PATCH v5 07/11] raw/cnxk_gpio: support dequeuing buffers Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 08/11] raw/cnxk_gpio: support standard GPIO operations Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 09/11] raw/cnxk_gpio: support custom irq handlers Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 10/11] raw/cnxk_gpio: support selftest Tomasz Duszynski
2022-01-18 13:24         ` [PATCH v5 11/11] raw/cnxk_gpio: add option to allow using subset of GPIOs Tomasz Duszynski
2022-02-09 13:24         ` [PATCH v5 00/11] Add cnxk_gpio Thomas Monjalon
2022-02-17 11:09         ` [PATCH v6 " Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 01/11] raw/cnxk_gpio: add GPIO driver skeleton Tomasz Duszynski
2022-02-18 11:47             ` Thomas Monjalon
2022-02-22 14:18             ` Ferruh Yigit
2022-02-17 11:09           ` [PATCH v6 02/11] raw/cnxk_gpio: support reading default queue conf Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 03/11] raw/cnxk_gpio: support reading queue count Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 04/11] raw/cnxk_gpio: support queue setup Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 05/11] raw/cnxk_gpio: support queue release Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 06/11] raw/cnxk_gpio: support enqueuing buffers Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 07/11] raw/cnxk_gpio: support dequeuing buffers Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 08/11] raw/cnxk_gpio: support standard GPIO operations Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 09/11] raw/cnxk_gpio: support custom irq handlers Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 10/11] raw/cnxk_gpio: support selftest Tomasz Duszynski
2022-02-17 11:09           ` [PATCH v6 11/11] raw/cnxk_gpio: add option to allow using subset of GPIOs Tomasz Duszynski
2022-02-18 17:19           ` [PATCH v6 00/11] Add cnxk_gpio Thomas Monjalon

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