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From: Wei Huang <wei.huang@intel.com>
To: dev@dpdk.org,
thomas@monjalon.net,
david.marchand@redhat.com
Cc: stable@dpdk.org, rosen.xu@intel.com, tianfei.zhang@intel.com,
qi.z.zhang@intel.com, Wei Huang <wei.huang@intel.com>
Subject: [PATCH v1] raw/ifpga: remove virtual device unplug operation
Date: Thu, 16 Mar 2023 16:44:45 -0400
Message-Id: <20230316204445.360330-1-wei.huang@intel.com>
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VDEV bus has implemented cleanup() function to perform cleanup for
devices on the bus during eal_cleanup(), so there is no need for
ifpga driver to record virtual devices and unplug them.
Signed-off-by: Wei Huang <wei.huang@intel.com>
---
drivers/raw/ifpga/ifpga_rawdev.c | 99 ++++------------------------------------
drivers/raw/ifpga/ifpga_rawdev.h | 2 -
2 files changed, 9 insertions(+), 92 deletions(-)
diff --git a/drivers/raw/ifpga/ifpga_rawdev.c b/drivers/raw/ifpga/ifpga_rawdev.c
index 1020adc..8e6e70f 100644
--- a/drivers/raw/ifpga/ifpga_rawdev.c
+++ b/drivers/raw/ifpga/ifpga_rawdev.c
@@ -140,8 +140,6 @@ struct ifpga_rawdev *
for (i = 0; i < IFPGA_MAX_IRQ; i++)
dev->intr_handle[i] = NULL;
dev->poll_enabled = 0;
- for (i = 0; i < IFPGA_MAX_VDEV; i++)
- dev->vdev_name[i] = NULL;
return dev;
}
@@ -749,17 +747,11 @@ static int set_surprise_link_check_aer(
struct ifpga_rawdev *ifpga_rdev = NULL;
struct opae_adapter *adapter;
struct opae_manager *mgr;
- char *vdev_name = NULL;
- int i, ret = 0;
+ int ret = 0;
if (dev) {
ifpga_rdev = ifpga_rawdev_get(dev);
if (ifpga_rdev) {
- for (i = 0; i < IFPGA_MAX_VDEV; i++) {
- vdev_name = ifpga_rdev->vdev_name[i];
- if (vdev_name)
- rte_vdev_uninit(vdev_name);
- }
ifpga_monitor_stop_func(ifpga_rdev);
ifpga_rdev->rawdev = NULL;
}
@@ -1778,104 +1770,31 @@ static int ifpga_rawdev_get_string_arg(const char *key __rte_unused,
static int
ifpga_cfg_probe(struct rte_vdev_device *vdev)
{
- struct rte_rawdev *rawdev = NULL;
- struct ifpga_rawdev *ifpga_dev;
struct ifpga_vdev_args args;
char dev_name[RTE_RAWDEV_NAME_MAX_LEN];
- const char *vdev_name = NULL;
- int i, n, ret = 0;
-
- vdev_name = rte_vdev_device_name(vdev);
- if (!vdev_name)
- return -EINVAL;
+ int ret = 0;
- IFPGA_RAWDEV_PMD_INFO("probe ifpga virtual device %s", vdev_name);
+ IFPGA_RAWDEV_PMD_INFO("probe ifpga virtual device %s",
+ rte_vdev_device_name(vdev));
ret = ifpga_vdev_parse_devargs(vdev->device.devargs, &args);
if (ret)
return ret;
memset(dev_name, 0, sizeof(dev_name));
- snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%s", args.bdf);
- rawdev = rte_rawdev_pmd_get_named_dev(dev_name);
- if (!rawdev)
- return -ENODEV;
- ifpga_dev = ifpga_rawdev_get(rawdev);
- if (!ifpga_dev)
- return -ENODEV;
-
- for (i = 0; i < IFPGA_MAX_VDEV; i++) {
- if (ifpga_dev->vdev_name[i] == NULL) {
- n = strlen(vdev_name) + 1;
- ifpga_dev->vdev_name[i] = rte_malloc(NULL, n, 0);
- if (ifpga_dev->vdev_name[i] == NULL)
- return -ENOMEM;
- strlcpy(ifpga_dev->vdev_name[i], vdev_name, n);
- break;
- }
- }
-
- if (i >= IFPGA_MAX_VDEV) {
- IFPGA_RAWDEV_PMD_ERR("Can't create more virtual device!");
- return -ENOENT;
- }
-
snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s",
args.port, args.bdf);
- ret = rte_eal_hotplug_add(RTE_STR(IFPGA_BUS_NAME),
- dev_name, vdev->device.devargs->args);
- if (ret) {
- rte_free(ifpga_dev->vdev_name[i]);
- ifpga_dev->vdev_name[i] = NULL;
- }
-
- return ret;
+ return rte_eal_hotplug_add(RTE_STR(IFPGA_BUS_NAME), dev_name,
+ vdev->device.devargs->args);
}
static int
ifpga_cfg_remove(struct rte_vdev_device *vdev)
{
- struct rte_rawdev *rawdev = NULL;
- struct ifpga_rawdev *ifpga_dev;
- struct ifpga_vdev_args args;
- char dev_name[RTE_RAWDEV_NAME_MAX_LEN];
- const char *vdev_name = NULL;
- char *tmp_vdev = NULL;
- int i, ret = 0;
-
- vdev_name = rte_vdev_device_name(vdev);
- if (!vdev_name)
- return -EINVAL;
+ IFPGA_RAWDEV_PMD_INFO("remove ifpga virtual device %s",
+ rte_vdev_device_name(vdev));
- IFPGA_RAWDEV_PMD_INFO("remove ifpga virtual device %s", vdev_name);
-
- ret = ifpga_vdev_parse_devargs(vdev->device.devargs, &args);
- if (ret)
- return ret;
-
- memset(dev_name, 0, sizeof(dev_name));
- snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%s", args.bdf);
- rawdev = rte_rawdev_pmd_get_named_dev(dev_name);
- if (!rawdev)
- return -ENODEV;
- ifpga_dev = ifpga_rawdev_get(rawdev);
- if (!ifpga_dev)
- return -ENODEV;
-
- snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s",
- args.port, args.bdf);
- ret = rte_eal_hotplug_remove(RTE_STR(IFPGA_BUS_NAME), dev_name);
-
- for (i = 0; i < IFPGA_MAX_VDEV; i++) {
- tmp_vdev = ifpga_dev->vdev_name[i];
- if (tmp_vdev && !strcmp(tmp_vdev, vdev_name)) {
- free(tmp_vdev);
- ifpga_dev->vdev_name[i] = NULL;
- break;
- }
- }
-
- return ret;
+ return 0;
}
static struct rte_vdev_driver ifpga_cfg_driver = {
diff --git a/drivers/raw/ifpga/ifpga_rawdev.h b/drivers/raw/ifpga/ifpga_rawdev.h
index 0fb66cb..1c128c7 100644
--- a/drivers/raw/ifpga/ifpga_rawdev.h
+++ b/drivers/raw/ifpga/ifpga_rawdev.h
@@ -65,8 +65,6 @@ struct ifpga_rawdev {
void *intr_handle[IFPGA_MAX_IRQ];
/* enable monitor thread poll device's sensors or not */
int poll_enabled;
- /* name of virtual devices created on raw device */
- char *vdev_name[IFPGA_MAX_VDEV];
};
struct ifpga_vdev_args {
--
1.8.3.1