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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: BN9PR11MB5483.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5784a7cc-340a-4e96-6270-08da475f46f1 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Jun 2022 01:52:56.3410 (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: ORcG0ty/AGlTSVjDLCSbIw8GBsFXzBsN7e/TkvzaOlmGGhdpYcQ+KtKg3rSM3opx2UKzPldJyZ9P6aZbSaTDaQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR11MB5584 X-OriginatorOrg: intel.com X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > -----Original Message----- > From: Huang, Wei > Sent: Friday, May 27, 2022 1:37 PM > To: dev@dpdk.org; thomas@monjalon.net; nipun.gupta@nxp.com; > hemant.agrawal@nxp.com > Cc: stable@dpdk.org; Xu, Rosen ; Zhang, Tianfei > ; Zhang, Qi Z ; Huang, Wei > > Subject: [PATCH v5 1/5] drivers/raw: introduce AFU raw device driver >=20 > Add multi-function AFU raw device driver to manage various AFU (Accelerat= ion > Function Unit) in FPGA. > This driver implements common AFU raw device interfaces and exposes them = to > application as standard raw device APIs. > Normal application can operate specified AFU as below, 1. call > rte_rawdev_pmd_get_named_dev() to find AFU raw device. > 2. call rte_rawdev_configure() to initialize AFU raw device. > 3. call rte_rawdev_selftest() to test function of AFU. >=20 > Signed-off-by: Wei Huang > --- > v2: fix typo > --- > v3: fix build error in FreeBSD13-64, UB2004-32 and UB2204-32 > --- > v4: fix coding style issue and build error in FreeBSD13-64 > --- > v5: split patch into several patches > --- > drivers/raw/afu_mf/afu_mf_rawdev.c | 425 > +++++++++++++++++++++++++++++++++++++ > drivers/raw/afu_mf/afu_mf_rawdev.h | 71 +++++++ > drivers/raw/afu_mf/meson.build | 5 + > drivers/raw/afu_mf/version.map | 3 + > drivers/raw/meson.build | 1 + > 5 files changed, 505 insertions(+) > create mode 100644 drivers/raw/afu_mf/afu_mf_rawdev.c > create mode 100644 drivers/raw/afu_mf/afu_mf_rawdev.h > create mode 100644 drivers/raw/afu_mf/meson.build create mode 100644 > drivers/raw/afu_mf/version.map I am thinking that just put those afu* c/h files into drivers/raw/ifpga/ fo= lder is better? Because this AFU PMD driver is work on ifpga. And the file name of "afu_mf_rawdev.c" change to "afu_pmd_driver.c"? >=20 > diff --git a/drivers/raw/afu_mf/afu_mf_rawdev.c > b/drivers/raw/afu_mf/afu_mf_rawdev.c > new file mode 100644 > index 0000000..5be372a > --- /dev/null > +++ b/drivers/raw/afu_mf/afu_mf_rawdev.c > @@ -0,0 +1,425 @@ > +/* SPDX-License-Identifier: BSD-3-Clause > + * Copyright 2022 Intel Corporation > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include > +#include > +#include > +#include > + > +#include "afu_mf_rawdev.h" > + > +#define AFU_MF_PMD_RAWDEV_NAME rawdev_afu_mf > + > +static const struct rte_afu_uuid afu_uuid_map[] =3D { > + { 0, 0 /* sentinel */ } > +}; > + > +static struct afu_mf_drv *afu_table[] =3D { > + NULL > +}; > + > +static inline int afu_mf_trylock(struct afu_mf_rawdev *dev) { > + int32_t x =3D 0; > + > + if (!dev || !dev->shared) > + return -ENODEV; > + > + x =3D __atomic_load_n(&dev->shared->lock, __ATOMIC_RELAXED); > + > + if ((x !=3D 0) || (__atomic_compare_exchange_n(&dev->shared->lock, &x, > 1, > + 1, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED) > =3D=3D 0)) > + return -EBUSY; > + > + return 0; > +} > + > +static inline void afu_mf_unlock(struct afu_mf_rawdev *dev) { > + if (!dev || !dev->shared) > + return; > + > + __atomic_store_n(&dev->shared->lock, 0, __ATOMIC_RELEASE); } > + > +static int afu_mf_rawdev_configure(const struct rte_rawdev *rawdev, > + rte_rawdev_obj_t config, size_t config_size) { > + struct afu_mf_rawdev *dev =3D NULL; > + int ret =3D 0; > + > + AFU_MF_PMD_FUNC_TRACE(); > + > + dev =3D afu_mf_rawdev_get_priv(rawdev); > + if (!dev) > + return -ENODEV; > + > + if (dev->ops && dev->ops->config) > + ret =3D (*dev->ops->config)(dev, config, config_size); > + > + return ret; > +} > + > +static int afu_mf_rawdev_start(struct rte_rawdev *rawdev) { > + struct afu_mf_rawdev *dev =3D NULL; > + int ret =3D 0; > + > + AFU_MF_PMD_FUNC_TRACE(); > + > + dev =3D afu_mf_rawdev_get_priv(rawdev); > + if (!dev) > + return -ENODEV; > + > + ret =3D afu_mf_trylock(dev); > + if (ret) { > + AFU_MF_PMD_WARN("AFU is busy, please start it later"); > + return ret; > + } > + > + if (dev->ops && dev->ops->start) > + ret =3D (*dev->ops->start)(dev); > + > + afu_mf_unlock(dev); > + > + return ret; > +} > + > +static void afu_mf_rawdev_stop(struct rte_rawdev *rawdev) { > + struct afu_mf_rawdev *dev =3D NULL; > + int ret =3D 0; > + > + AFU_MF_PMD_FUNC_TRACE(); > + > + dev =3D afu_mf_rawdev_get_priv(rawdev); > + if (!dev) > + return; > + > + ret =3D afu_mf_trylock(dev); > + if (ret) { > + AFU_MF_PMD_WARN("AFU is busy, please stop it later"); > + return; > + } > + > + if (dev->ops && dev->ops->stop) > + ret =3D (*dev->ops->stop)(dev); > + > + afu_mf_unlock(dev); > +} > + > +static int afu_mf_rawdev_close(struct rte_rawdev *rawdev) { > + struct afu_mf_rawdev *dev =3D NULL; > + int ret =3D 0; > + > + AFU_MF_PMD_FUNC_TRACE(); > + > + dev =3D afu_mf_rawdev_get_priv(rawdev); > + if (!dev) > + return -ENODEV; > + > + if (dev->ops && dev->ops->close) > + ret =3D (*dev->ops->close)(dev); > + > + return ret; > +} > + > +static int afu_mf_rawdev_reset(struct rte_rawdev *rawdev) { > + struct afu_mf_rawdev *dev =3D NULL; > + int ret =3D 0; > + > + AFU_MF_PMD_FUNC_TRACE(); > + > + dev =3D afu_mf_rawdev_get_priv(rawdev); > + if (!dev) > + return -ENODEV; > + > + ret =3D afu_mf_trylock(dev); > + if (ret) { > + AFU_MF_PMD_WARN("AFU is busy, please reset it later"); > + return ret; > + } > + > + if (dev->ops && dev->ops->reset) > + ret =3D (*dev->ops->reset)(dev); > + > + afu_mf_unlock(dev); > + > + return ret; > +} > + > +static int afu_mf_rawdev_selftest(uint16_t dev_id) { > + struct afu_mf_rawdev *dev =3D NULL; > + int ret =3D 0; > + > + AFU_MF_PMD_FUNC_TRACE(); > + > + if (!rte_rawdev_pmd_is_valid_dev(dev_id)) > + return -ENODEV; > + > + dev =3D afu_mf_rawdev_get_priv(&rte_rawdevs[dev_id]); > + if (!dev) > + return -ENOENT; > + > + ret =3D afu_mf_trylock(dev); > + if (ret) { > + AFU_MF_PMD_WARN("AFU is busy, please test it later"); > + return ret; > + } > + > + if (dev->ops && dev->ops->test) > + ret =3D (*dev->ops->test)(dev); > + > + afu_mf_unlock(dev); > + > + return ret; > +} > + > +static int afu_mf_rawdev_dump(struct rte_rawdev *rawdev, FILE *f) { > + struct afu_mf_rawdev *dev =3D NULL; > + int ret =3D 0; > + > + AFU_MF_PMD_FUNC_TRACE(); > + > + dev =3D afu_mf_rawdev_get_priv(rawdev); > + if (!dev) > + return -ENODEV; > + > + if (dev->ops && dev->ops->dump) > + ret =3D (*dev->ops->dump)(dev, f); > + > + return ret; > +} > + > +static const struct rte_rawdev_ops afu_mf_rawdev_ops =3D { > + .dev_info_get =3D NULL, > + .dev_configure =3D afu_mf_rawdev_configure, > + .dev_start =3D afu_mf_rawdev_start, > + .dev_stop =3D afu_mf_rawdev_stop, > + .dev_close =3D afu_mf_rawdev_close, > + .dev_reset =3D afu_mf_rawdev_reset, > + > + .queue_def_conf =3D NULL, > + .queue_setup =3D NULL, > + .queue_release =3D NULL, > + .queue_count =3D NULL, > + > + .attr_get =3D NULL, > + .attr_set =3D NULL, > + > + .enqueue_bufs =3D NULL, > + .dequeue_bufs =3D NULL, > + > + .dump =3D afu_mf_rawdev_dump, > + > + .xstats_get =3D NULL, > + .xstats_get_names =3D NULL, > + .xstats_get_by_name =3D NULL, > + .xstats_reset =3D NULL, > + > + .firmware_status_get =3D NULL, > + .firmware_version_get =3D NULL, > + .firmware_load =3D NULL, > + .firmware_unload =3D NULL, > + > + .dev_selftest =3D afu_mf_rawdev_selftest, }; > + > +static int > +afu_mf_shared_alloc(const char *name, struct afu_mf_shared **data, > + int socket_id) > +{ > + const struct rte_memzone *mz; > + char mz_name[RTE_MEMZONE_NAMESIZE]; > + struct afu_mf_shared *ptr =3D NULL; > + int init_mz =3D 0; > + > + if (!name || !data) > + return -EINVAL; > + > + /* name format is afu_?|??:??.? which is unique */ > + snprintf(mz_name, sizeof(mz_name), "%s", name); > + > + mz =3D rte_memzone_lookup(mz_name); > + if (!mz) { > + mz =3D rte_memzone_reserve(mz_name, > + sizeof(struct afu_mf_shared), > + socket_id, 0); > + init_mz =3D 1; > + } > + > + if (!mz) { > + AFU_MF_PMD_ERR("Allocate memory zone %s failed!", > + mz_name); > + return -ENOMEM; > + } > + > + ptr =3D (struct afu_mf_shared *)mz->addr; > + > + if (init_mz) /* initialize memory zone on the first time */ > + ptr->lock =3D 0; > + > + *data =3D ptr; > + > + return 0; > +} > + > +static int afu_mf_rawdev_name_get(struct rte_afu_device *afu_dev, char > *name, > + size_t size) > +{ > + int n =3D 0; > + > + if (!afu_dev || !name || !size) > + return -EINVAL; > + > + n =3D snprintf(name, size, "afu_%s", afu_dev->device.name); > + if (n >=3D (int)size) { > + AFU_MF_PMD_ERR("Name of AFU device is too long!"); > + return -ENAMETOOLONG; > + } > + > + return 0; > +} > + > +static struct afu_mf_ops *afu_mf_ops_get(struct rte_afu_uuid *afu_id) { > + struct afu_mf_drv *entry =3D NULL; > + int i =3D 0; > + > + if (!afu_id) > + return NULL; > + > + while ((entry =3D afu_table[i++])) { > + if ((entry->uuid.uuid_low =3D=3D afu_id->uuid_low) && > + (entry->uuid.uuid_high =3D=3D afu_id->uuid_high)) > + break; > + } > + > + return entry ? entry->ops : NULL; > +} > + > +static int afu_mf_rawdev_create(struct rte_afu_device *afu_dev, int > +socket_id) { > + struct rte_rawdev *rawdev =3D NULL; > + struct afu_mf_rawdev *dev =3D NULL; > + char name[RTE_RAWDEV_NAME_MAX_LEN] =3D {0}; > + int ret =3D 0; > + > + if (!afu_dev) > + return -EINVAL; > + > + ret =3D afu_mf_rawdev_name_get(afu_dev, name, sizeof(name)); > + if (ret) > + return ret; > + > + AFU_MF_PMD_INFO("Create raw device %s on NUMA node %d", > + name, socket_id); > + > + /* Allocate device structure */ > + rawdev =3D rte_rawdev_pmd_allocate(name, sizeof(struct > afu_mf_rawdev), > + socket_id); > + if (!rawdev) { > + AFU_MF_PMD_ERR("Unable to allocate raw device"); > + return -ENOMEM; > + } > + > + rawdev->dev_ops =3D &afu_mf_rawdev_ops; > + rawdev->device =3D &afu_dev->device; > + rawdev->driver_name =3D afu_dev->driver->driver.name; > + > + dev =3D afu_mf_rawdev_get_priv(rawdev); > + if (!dev) > + goto cleanup; > + > + dev->rawdev =3D rawdev; > + dev->port =3D afu_dev->id.port; > + dev->addr =3D afu_dev->mem_resource[0].addr; > + dev->ops =3D afu_mf_ops_get(&afu_dev->id.uuid); > + if (dev->ops =3D=3D NULL) { > + AFU_MF_PMD_ERR("Unsupported AFU device"); > + goto cleanup; > + } > + > + if (dev->ops->init) { > + ret =3D (*dev->ops->init)(dev); > + if (ret) { > + AFU_MF_PMD_ERR("Failed to init %s", name); > + goto cleanup; > + } > + } > + > + ret =3D afu_mf_shared_alloc(name, &dev->shared, socket_id); > + if (ret) > + goto cleanup; > + > + return ret; > + > +cleanup: > + rte_rawdev_pmd_release(rawdev); > + return ret; > +} > + > +static int afu_mf_rawdev_destroy(struct rte_afu_device *afu_dev) { > + struct rte_rawdev *rawdev =3D NULL; > + char name[RTE_RAWDEV_NAME_MAX_LEN] =3D {0}; > + int ret =3D 0; > + > + if (!afu_dev) > + return -EINVAL; > + > + ret =3D afu_mf_rawdev_name_get(afu_dev, name, sizeof(name)); > + if (ret) > + return ret; > + > + AFU_MF_PMD_INFO("Destroy raw device %s", name); > + > + rawdev =3D rte_rawdev_pmd_get_named_dev(name); > + if (!rawdev) { > + AFU_MF_PMD_ERR("Raw device %s not found", name); > + return -EINVAL; > + } > + > + /* rte_rawdev_close is called by pmd_release */ > + ret =3D rte_rawdev_pmd_release(rawdev); > + if (ret) > + AFU_MF_PMD_DEBUG("Device cleanup failed"); > + > + return 0; > +} > + > +static int afu_mf_rawdev_probe(struct rte_afu_device *afu_dev) { > + AFU_MF_PMD_FUNC_TRACE(); > + return afu_mf_rawdev_create(afu_dev, rte_socket_id()); } > + > +static int afu_mf_rawdev_remove(struct rte_afu_device *afu_dev) { > + AFU_MF_PMD_FUNC_TRACE(); > + return afu_mf_rawdev_destroy(afu_dev); } > + > +static struct rte_afu_driver afu_mf_pmd_drv =3D { > + .id_table =3D afu_uuid_map, > + .probe =3D afu_mf_rawdev_probe, > + .remove =3D afu_mf_rawdev_remove > +}; > + > +RTE_PMD_REGISTER_AFU(AFU_MF_PMD_RAWDEV_NAME, afu_mf_pmd_drv); > +RTE_LOG_REGISTER_DEFAULT(afu_mf_pmd_logtype, NOTICE); > diff --git a/drivers/raw/afu_mf/afu_mf_rawdev.h > b/drivers/raw/afu_mf/afu_mf_rawdev.h > new file mode 100644 > index 0000000..df6715c > --- /dev/null > +++ b/drivers/raw/afu_mf/afu_mf_rawdev.h > @@ -0,0 +1,71 @@ > +/* SPDX-License-Identifier: BSD-3-Clause > + * Copyright 2022 Intel Corporation > + */ > + > +#ifndef __AFU_MF_RAWDEV_H__ > +#define __AFU_MF_RAWDEV_H__ > + > +#include > +#include > +#include > + > +#include > +#include > +#include > + > +extern int afu_mf_pmd_logtype; > + > +#define AFU_MF_PMD_LOG(level, fmt, args...) \ > + rte_log(RTE_LOG_ ## level, afu_mf_pmd_logtype, "%s(): " fmt "\n", \ > + __func__, ##args) > + > +#define AFU_MF_PMD_FUNC_TRACE() AFU_MF_PMD_LOG(DEBUG, ">>") > + > +#define AFU_MF_PMD_DEBUG(fmt, args...) \ > + AFU_MF_PMD_LOG(DEBUG, fmt, ## args) > +#define AFU_MF_PMD_INFO(fmt, args...) \ > + AFU_MF_PMD_LOG(INFO, fmt, ## args) > +#define AFU_MF_PMD_ERR(fmt, args...) \ > + AFU_MF_PMD_LOG(ERR, fmt, ## args) > +#define AFU_MF_PMD_WARN(fmt, args...) \ > + AFU_MF_PMD_LOG(WARNING, fmt, ## args) > + > +struct afu_mf_rawdev; > + > +struct afu_mf_ops { > + int (*init)(struct afu_mf_rawdev *dev); > + int (*config)(struct afu_mf_rawdev *dev, void *config, > + size_t config_size); > + int (*start)(struct afu_mf_rawdev *dev); > + int (*stop)(struct afu_mf_rawdev *dev); > + int (*test)(struct afu_mf_rawdev *dev); > + int (*close)(struct afu_mf_rawdev *dev); > + int (*reset)(struct afu_mf_rawdev *dev); > + int (*dump)(struct afu_mf_rawdev *dev, FILE *f); }; > + > +struct afu_mf_drv { > + struct rte_afu_uuid uuid; > + struct afu_mf_ops *ops; > +}; > + > +struct afu_mf_shared { > + int32_t lock; > +}; > + > +struct afu_mf_rawdev { > + struct rte_rawdev *rawdev; /* point to parent raw device */ > + struct afu_mf_shared *shared; /* shared data for multi-process */ > + struct afu_mf_ops *ops; /* device operation functions */ > + int port; /* index of port the AFU attached */ > + void *addr; /* base address of AFU registers */ > + void *priv; /* private driver data */ }; > + > +static inline struct afu_mf_rawdev * > +afu_mf_rawdev_get_priv(const struct rte_rawdev *rawdev) { > + return rawdev ? (struct afu_mf_rawdev *)rawdev->dev_private : NULL; } > + > +#endif /* __AFU_MF_RAWDEV_H__ */ > diff --git a/drivers/raw/afu_mf/meson.build b/drivers/raw/afu_mf/meson.bu= ild > new file mode 100644 index 0000000..80526a2 > --- /dev/null > +++ b/drivers/raw/afu_mf/meson.build > @@ -0,0 +1,5 @@ > +# SPDX-License-Identifier: BSD-3-Clause # Copyright 2022 Intel > +Corporation > + > +deps +=3D ['rawdev', 'bus_pci', 'bus_ifpga'] sources =3D > +files('afu_mf_rawdev.c') > diff --git a/drivers/raw/afu_mf/version.map b/drivers/raw/afu_mf/version.= map > new file mode 100644 index 0000000..c2e0723 > --- /dev/null > +++ b/drivers/raw/afu_mf/version.map > @@ -0,0 +1,3 @@ > +DPDK_22 { > + local: *; > +}; > diff --git a/drivers/raw/meson.build b/drivers/raw/meson.build index > 05e7de1..c3627f7 100644 > --- a/drivers/raw/meson.build > +++ b/drivers/raw/meson.build > @@ -6,6 +6,7 @@ if is_windows > endif >=20 > drivers =3D [ > + 'afu_mf', > 'cnxk_bphy', > 'cnxk_gpio', > 'dpaa2_cmdif', > -- > 1.8.3.1