From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 380F3A04A2; Sat, 25 Dec 2021 12:29:46 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5EF3E410E7; Sat, 25 Dec 2021 12:29:40 +0100 (CET) Received: from VLXDG1SPAM1.ramaxel.com (email.ramaxel.com [221.4.138.186]) by mails.dpdk.org (Postfix) with ESMTP id 0423440140 for ; Sat, 25 Dec 2021 12:29:37 +0100 (CET) Received: from V12DG1MBS01.ramaxel.local (v12dg1mbs01.ramaxel.local [172.26.18.31]) by VLXDG1SPAM1.ramaxel.com with ESMTPS id 1BPBTUn0059930 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 25 Dec 2021 19:29:30 +0800 (GMT-8) (envelope-from songyl@ramaxel.com) Received: from localhost.localdomain (10.64.9.47) by V12DG1MBS01.ramaxel.local (172.26.18.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Sat, 25 Dec 2021 19:29:19 +0800 From: Yanling Song To: CC: , , , , Subject: [PATCH v4 01/25] drivers/net: introduce a new PMD driver Date: Sat, 25 Dec 2021 19:28:49 +0800 Message-ID: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.64.9.47] X-ClientProxiedBy: V12DG1MBS03.ramaxel.local (172.26.18.33) To V12DG1MBS01.ramaxel.local (172.26.18.31) X-DNSRBL: X-MAIL: VLXDG1SPAM1.ramaxel.com 1BPBTUn0059930 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 Introduce a new PMD driver which names spnic. Now, this driver only implements module entry without doing anything else. Signed-off-by: Yanling Song --- drivers/net/meson.build | 1 + drivers/net/spnic/base/meson.build | 26 ++++ drivers/net/spnic/base/spnic_compat.h | 184 ++++++++++++++++++++++++++ drivers/net/spnic/meson.build | 17 +++ drivers/net/spnic/spnic_ethdev.c | 107 +++++++++++++++ drivers/net/spnic/spnic_ethdev.h | 28 ++++ drivers/net/spnic/version.map | 3 + 7 files changed, 366 insertions(+) create mode 100644 drivers/net/spnic/base/meson.build create mode 100644 drivers/net/spnic/base/spnic_compat.h create mode 100644 drivers/net/spnic/meson.build create mode 100644 drivers/net/spnic/spnic_ethdev.c create mode 100644 drivers/net/spnic/spnic_ethdev.h create mode 100644 drivers/net/spnic/version.map diff --git a/drivers/net/meson.build b/drivers/net/meson.build index 2355d1cde8..a5c715f59c 100644 --- a/drivers/net/meson.build +++ b/drivers/net/meson.build @@ -53,6 +53,7 @@ drivers = [ 'ring', 'sfc', 'softnic', + 'spnic', 'tap', 'thunderx', 'txgbe', diff --git a/drivers/net/spnic/base/meson.build b/drivers/net/spnic/base/meson.build new file mode 100644 index 0000000000..e83a473881 --- /dev/null +++ b/drivers/net/spnic/base/meson.build @@ -0,0 +1,26 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2021 Ramaxel Memory Technology, Ltd + +sources = [ +] + +extra_flags = [] +# The driver runs only on arch64 machine, remove 32bit warnings +if not dpdk_conf.get('RTE_ARCH_64') + extra_flags += ['-Wno-int-to-pointer-cast', '-Wno-pointer-to-int-cast'] +endif + +foreach flag: extra_flags + if cc.has_argument(flag) + cflags += flag + endif +endforeach + +deps += ['hash'] +cflags += ['-DHW_CONVERT_ENDIAN'] +c_args = cflags + +base_lib = static_library('spnic_base', sources, + dependencies: [static_rte_eal, static_rte_ethdev, static_rte_bus_pci, static_rte_hash], + c_args: c_args) +base_objs = base_lib.extract_all_objects() diff --git a/drivers/net/spnic/base/spnic_compat.h b/drivers/net/spnic/base/spnic_compat.h new file mode 100644 index 0000000000..97f817cba9 --- /dev/null +++ b/drivers/net/spnic/base/spnic_compat.h @@ -0,0 +1,184 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2021 Ramaxel Memory Technology, Ltd + */ + +#ifndef _SPNIC_COMPAT_H_ +#define _SPNIC_COMPAT_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +typedef uint8_t u8; +typedef int8_t s8; +typedef uint16_t u16; +typedef uint32_t u32; +typedef int32_t s32; +typedef uint64_t u64; + +#ifndef BIT +#define BIT(n) (1 << (n)) +#endif + +#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) +#define lower_32_bits(n) ((u32)(n)) + +#define SPNIC_MEM_ALLOC_ALIGN_MIN 1 + +#define SPNIC_DRIVER_NAME "spnic" + +extern int spnic_logtype; + +#define PMD_DRV_LOG(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, spnic_logtype, \ + SPNIC_DRIVER_NAME ": " fmt "\n", ##args) + +/* Bit order interface */ +#define cpu_to_be16(o) rte_cpu_to_be_16(o) +#define cpu_to_be32(o) rte_cpu_to_be_32(o) +#define cpu_to_be64(o) rte_cpu_to_be_64(o) +#define cpu_to_le32(o) rte_cpu_to_le_32(o) +#define be16_to_cpu(o) rte_be_to_cpu_16(o) +#define be32_to_cpu(o) rte_be_to_cpu_32(o) +#define be64_to_cpu(o) rte_be_to_cpu_64(o) +#define le32_to_cpu(o) rte_le_to_cpu_32(o) + +#define ARRAY_LEN(arr) ((sizeof(arr) / sizeof((arr)[0]))) + +#define SPNIC_MUTEX_TIMEOUT 10 +#define SPNIC_S_TO_MS_UNIT 1000 +#define SPNIC_S_TO_NS_UNIT 1000000 + +static inline unsigned long clock_gettime_ms(void) +{ + struct timespec tv; + + (void)clock_gettime(CLOCK_MONOTONIC_COARSE, &tv); + + return (unsigned long)tv.tv_sec * SPNIC_S_TO_MS_UNIT + + (unsigned long)tv.tv_nsec / SPNIC_S_TO_NS_UNIT; +} + +#define jiffies clock_gettime_ms() +#define msecs_to_jiffies(ms) (ms) + +#define time_after(a, b) ((long)((b) - (a)) < 0) +#define time_before(a, b) time_after(b, a) + +/** + * Convert data to big endian 32 bit format + * + * @param data + * The data to convert + * @param len + * Length of data to convert, must be Multiple of 4B + */ +static inline void spnic_cpu_to_be32(void *data, int len) +{ + int i, chunk_sz = sizeof(u32); + u32 *mem = data; + + if (!data) + return; + + len = len / chunk_sz; + + for (i = 0; i < len; i++) { + *mem = cpu_to_be32(*mem); + mem++; + } +} + +/** + * Convert data from big endian 32 bit format + * + * @param data + * The data to convert + * @param len + * Length of data to convert, must be Multiple of 4B + */ +static inline void spnic_be32_to_cpu(void *data, int len) +{ + int i, chunk_sz = sizeof(u32); + u32 *mem = data; + + if (!data) + return; + + len = len / chunk_sz; + + for (i = 0; i < len; i++) { + *mem = be32_to_cpu(*mem); + mem++; + } +} + +static inline u16 ilog2(u32 n) +{ + u16 res = 0; + + while (n > 1) { + n >>= 1; + res++; + } + + return res; +} + +static inline int spnic_mutex_init(pthread_mutex_t *pthreadmutex, + const pthread_mutexattr_t *mattr) +{ + int err; + + err = pthread_mutex_init(pthreadmutex, mattr); + if (unlikely(err)) + PMD_DRV_LOG(ERR, "Initialize mutex failed, error: %d", err); + + return err; +} + +static inline int spnic_mutex_destroy(pthread_mutex_t *pthreadmutex) +{ + int err; + + err = pthread_mutex_destroy(pthreadmutex); + if (unlikely(err)) + PMD_DRV_LOG(ERR, "Destroy mutex failed, error: %d", err); + + return err; +} + +static inline int spnic_mutex_lock(pthread_mutex_t *pthreadmutex) +{ + struct timespec tout; + int err; + + (void)clock_gettime(CLOCK_MONOTONIC_COARSE, &tout); + + tout.tv_sec += SPNIC_MUTEX_TIMEOUT; + err = pthread_mutex_timedlock(pthreadmutex, &tout); + if (err) + PMD_DRV_LOG(ERR, "Mutex lock failed, err: %d", err); + + return err; +} + +static inline int spnic_mutex_unlock(pthread_mutex_t *pthreadmutex) +{ + return pthread_mutex_unlock(pthreadmutex); +} + +#endif /* _SPNIC_COMPAT_H_ */ diff --git a/drivers/net/spnic/meson.build b/drivers/net/spnic/meson.build new file mode 100644 index 0000000000..c585aaf7f6 --- /dev/null +++ b/drivers/net/spnic/meson.build @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2021 Ramaxel Memory Technology, Ltd + +if not (is_linux) + build = false + reason = 'only supported on Linux' + subdir_done() +endif + +subdir('base') +objs = [base_objs] + +sources = files( + 'spnic_ethdev.c', + ) + +includes += include_directories('base') diff --git a/drivers/net/spnic/spnic_ethdev.c b/drivers/net/spnic/spnic_ethdev.c new file mode 100644 index 0000000000..b06492a8e9 --- /dev/null +++ b/drivers/net/spnic/spnic_ethdev.c @@ -0,0 +1,107 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2021 Ramaxel Memory Technology, Ltd + */ + +#include +#include +#include +#include +#include + +#include "base/spnic_compat.h" +#include "spnic_ethdev.h" + +/* Driver-specific log messages type */ +int spnic_logtype; + +static int spnic_func_init(struct rte_eth_dev *eth_dev) +{ + struct spnic_nic_dev *nic_dev = NULL; + struct rte_pci_device *pci_dev = NULL; + + pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + + /* EAL is secondary and eth_dev is already created */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + PMD_DRV_LOG(INFO, "Initialize %s in secondary process", + eth_dev->data->name); + + return 0; + } + + nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(eth_dev); + snprintf(nic_dev->dev_name, sizeof(nic_dev->dev_name), + "spnic-%.4x:%.2x:%.2x.%x", + pci_dev->addr.domain, pci_dev->addr.bus, + pci_dev->addr.devid, pci_dev->addr.function); + + rte_bit_relaxed_set32(SPNIC_DEV_INIT, &nic_dev->dev_status); + PMD_DRV_LOG(INFO, "Initialize %s in primary succeed", + eth_dev->data->name); + + return 0; +} + +static int spnic_dev_init(struct rte_eth_dev *eth_dev) +{ + struct rte_pci_device *pci_dev; + + pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + + PMD_DRV_LOG(INFO, "Initializing spnic-%.4x:%.2x:%.2x.%x in %s process", + pci_dev->addr.domain, pci_dev->addr.bus, + pci_dev->addr.devid, pci_dev->addr.function, + (rte_eal_process_type() == RTE_PROC_PRIMARY) ? + "primary" : "secondary"); + + return spnic_func_init(eth_dev); +} + +static int spnic_dev_uninit(struct rte_eth_dev *dev) +{ + struct spnic_nic_dev *nic_dev; + + nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev); + rte_bit_relaxed_clear32(SPNIC_DEV_INIT, &nic_dev->dev_status); + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + return 0; +} + +static struct rte_pci_id pci_id_spnic_map[] = { + { RTE_PCI_DEVICE(PCI_VENDOR_ID_RAMAXEL, SPNIC_DEV_ID_PF) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_RAMAXEL, SPNIC_DEV_ID_VF) }, + {.vendor_id = 0}, +}; + +static int spnic_pci_probe(__rte_unused struct rte_pci_driver *pci_drv, + struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_probe(pci_dev, + sizeof(struct spnic_nic_dev), + spnic_dev_init); +} + +static int spnic_pci_remove(struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_remove(pci_dev, spnic_dev_uninit); +} + +static struct rte_pci_driver rte_spnic_pmd = { + .id_table = pci_id_spnic_map, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, + .probe = spnic_pci_probe, + .remove = spnic_pci_remove, +}; + +RTE_PMD_REGISTER_PCI(net_spnic, rte_spnic_pmd); +RTE_PMD_REGISTER_PCI_TABLE(net_spnic, pci_id_spnic_map); + +RTE_INIT(spnic_init_log) +{ + spnic_logtype = rte_log_register("pmd.net.spnic"); + if (spnic_logtype >= 0) + rte_log_set_level(spnic_logtype, RTE_LOG_INFO); +} diff --git a/drivers/net/spnic/spnic_ethdev.h b/drivers/net/spnic/spnic_ethdev.h new file mode 100644 index 0000000000..d4ec641d83 --- /dev/null +++ b/drivers/net/spnic/spnic_ethdev.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2021 Ramaxel Memory Technology, Ltd + */ + +#ifndef _SPNIC_ETHDEV_H_ +#define _SPNIC_ETHDEV_H_ + +/* Vendor id */ +#define PCI_VENDOR_ID_RAMAXEL 0x1E81 + +/* Device ids */ +#define SPNIC_DEV_ID_PF 0x9020 +#define SPNIC_DEV_ID_VF 0x9001 + +enum spnic_dev_status { + SPNIC_DEV_INIT +}; + +#define SPNIC_DEV_NAME_LEN 32 +struct spnic_nic_dev { + u32 dev_status; + char dev_name[SPNIC_DEV_NAME_LEN]; +}; + +#define SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev) \ + ((struct spnic_nic_dev *)(dev)->data->dev_private) + +#endif /* _SPNIC_ETHDEV_H_ */ diff --git a/drivers/net/spnic/version.map b/drivers/net/spnic/version.map new file mode 100644 index 0000000000..c2e0723b4c --- /dev/null +++ b/drivers/net/spnic/version.map @@ -0,0 +1,3 @@ +DPDK_22 { + local: *; +}; -- 2.32.0