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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM4PR11MB5994.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 241b234d-182f-4c1f-d4ef-08db2942de6d X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Mar 2023 12:58:57.8752 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ZvDxfAULLBaGjB8xFhEIHgYNvCQkObr5fZduJ3/V0do6DYj1T/aNur6DhWkjUZLyd0s5i7LmPe0/9SGIKvAYzQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR11MB7440 X-OriginatorOrg: intel.com X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org > -----Original Message----- > From: Xu, Rosen > Sent: Monday, March 20, 2023 2:52 PM > To: Huang, Wei ; dev@dpdk.org; > thomas@monjalon.net; david.marchand@redhat.com > Cc: stable@dpdk.org; Zhang, Tianfei ; Zhang, Qi = Z > > Subject: RE: [PATCH v1] raw/ifpga: remove virtual device unplug operation >=20 > Hi, >=20 > > -----Original Message----- > > From: Huang, Wei > > Sent: Friday, March 17, 2023 4:45 AM > > To: dev@dpdk.org; thomas@monjalon.net; david.marchand@redhat.com > > Cc: stable@dpdk.org; Xu, Rosen ; Zhang, Tianfei > > ; Zhang, Qi Z ; Huang, > > Wei > > Subject: [PATCH v1] raw/ifpga: remove virtual device unplug operation > > > > 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 > > --- > > 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 =3D 0; i < IFPGA_MAX_IRQ; i++) > > dev->intr_handle[i] =3D NULL; > > dev->poll_enabled =3D 0; > > - for (i =3D 0; i < IFPGA_MAX_VDEV; i++) > > - dev->vdev_name[i] =3D NULL; > > > > return dev; > > } > > @@ -749,17 +747,11 @@ static int set_surprise_link_check_aer( > > struct ifpga_rawdev *ifpga_rdev =3D NULL; > > struct opae_adapter *adapter; > > struct opae_manager *mgr; > > - char *vdev_name =3D NULL; > > - int i, ret =3D 0; > > + int ret =3D 0; > > > > if (dev) { > > ifpga_rdev =3D ifpga_rawdev_get(dev); > > if (ifpga_rdev) { > > - for (i =3D 0; i < IFPGA_MAX_VDEV; i++) { > > - vdev_name =3D ifpga_rdev->vdev_name[i]; > > - if (vdev_name) > > - rte_vdev_uninit(vdev_name); > > - } > > ifpga_monitor_stop_func(ifpga_rdev); > > ifpga_rdev->rawdev =3D 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 =3D NULL; > > - struct ifpga_rawdev *ifpga_dev; > > struct ifpga_vdev_args args; > > char dev_name[RTE_RAWDEV_NAME_MAX_LEN]; > > - const char *vdev_name =3D NULL; > > - int i, n, ret =3D 0; > > - > > - vdev_name =3D rte_vdev_device_name(vdev); > > - if (!vdev_name) > > - return -EINVAL; > > + int ret =3D 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 =3D 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 =3D rte_rawdev_pmd_get_named_dev(dev_name); > > - if (!rawdev) > > - return -ENODEV; > > - ifpga_dev =3D ifpga_rawdev_get(rawdev); > > - if (!ifpga_dev) > > - return -ENODEV; > > - > > - for (i =3D 0; i < IFPGA_MAX_VDEV; i++) { > > - if (ifpga_dev->vdev_name[i] =3D=3D NULL) { > > - n =3D strlen(vdev_name) + 1; > > - ifpga_dev->vdev_name[i] =3D rte_malloc(NULL, n, 0); > > - if (ifpga_dev->vdev_name[i] =3D=3D NULL) > > - return -ENOMEM; > > - strlcpy(ifpga_dev->vdev_name[i], vdev_name, n); > > - break; > > - } > > - } > > - > > - if (i >=3D 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 =3D 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] =3D 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 =3D NULL; > > - struct ifpga_rawdev *ifpga_dev; > > - struct ifpga_vdev_args args; > > - char dev_name[RTE_RAWDEV_NAME_MAX_LEN]; > > - const char *vdev_name =3D NULL; > > - char *tmp_vdev =3D NULL; > > - int i, ret =3D 0; > > - > > - vdev_name =3D 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 =3D 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 =3D rte_rawdev_pmd_get_named_dev(dev_name); > > - if (!rawdev) > > - return -ENODEV; > > - ifpga_dev =3D ifpga_rawdev_get(rawdev); > > - if (!ifpga_dev) > > - return -ENODEV; > > - > > - snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s", > > - args.port, args.bdf); > > - ret =3D rte_eal_hotplug_remove(RTE_STR(IFPGA_BUS_NAME), > > dev_name); > > - > > - for (i =3D 0; i < IFPGA_MAX_VDEV; i++) { > > - tmp_vdev =3D ifpga_dev->vdev_name[i]; > > - if (tmp_vdev && !strcmp(tmp_vdev, vdev_name)) { > > - free(tmp_vdev); > > - ifpga_dev->vdev_name[i] =3D NULL; > > - break; > > - } > > - } > > - > > - return ret; > > + return 0; > > } > > > > static struct rte_vdev_driver ifpga_cfg_driver =3D { 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 >=20 > Acked-by: Rosen Xu Applied to dpdk-next-net-intel. Thanks Qi