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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 12.22.5.236 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.236; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (12.22.5.236) by CO1NAM11FT022.mail.protection.outlook.com (10.13.175.199) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5332.12 via Frontend Transport; Wed, 15 Jun 2022 12:59:01 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by DRHQMAIL109.nvidia.com (10.27.9.19) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Wed, 15 Jun 2022 12:59:00 +0000 Received: from nvidia.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Wed, 15 Jun 2022 05:58:56 -0700 From: Spike Du To: , , , , Shahaf Shuler , Ray Kinsella , Neil Horman CC: , , , , Subject: [PATCH v8 2/6] common/mlx5: share interrupt management Date: Wed, 15 Jun 2022 15:58:32 +0300 Message-ID: <20220615125836.391771-3-spiked@nvidia.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220615125836.391771-1-spiked@nvidia.com> References: <20220614120134.1828188-2-spiked@nvidia.com> <20220615125836.391771-1-spiked@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 69de5b76-54c2-4ccb-36ee-08da4eced197 X-MS-TrafficTypeDiagnostic: MWHPR12MB1934:EE_ X-LD-Processed: 43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jun 2022 12:59:01.1674 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 69de5b76-54c2-4ccb-36ee-08da4eced197 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.236]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT022.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1934 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 There are many duplicate code of creating and initializing rte_intr_handle. Add a new mlx5_os API to do this, replace all PMD related code with this API. Signed-off-by: Spike Du --- drivers/common/mlx5/linux/mlx5_common_os.c | 131 ++++++++++++++++++++++++++ drivers/common/mlx5/linux/mlx5_common_os.h | 11 +++ drivers/common/mlx5/version.map | 2 + drivers/common/mlx5/windows/mlx5_common_os.h | 24 +++++ drivers/net/mlx5/linux/mlx5_ethdev_os.c | 71 -------------- drivers/net/mlx5/linux/mlx5_os.c | 132 ++++++--------------------- drivers/net/mlx5/linux/mlx5_socket.c | 53 ++--------- drivers/net/mlx5/mlx5.h | 2 - drivers/net/mlx5/mlx5_txpp.c | 28 ++---- drivers/net/mlx5/windows/mlx5_ethdev_os.c | 22 ----- drivers/vdpa/mlx5/mlx5_vdpa_virtq.c | 48 ++-------- 11 files changed, 217 insertions(+), 307 deletions(-) diff --git a/drivers/common/mlx5/linux/mlx5_common_os.c b/drivers/common/mlx5/linux/mlx5_common_os.c index d40cfd5..f10a981 100644 --- a/drivers/common/mlx5/linux/mlx5_common_os.c +++ b/drivers/common/mlx5/linux/mlx5_common_os.c @@ -11,6 +11,7 @@ #endif #include #include +#include #include #include @@ -964,3 +965,133 @@ claim_zero(mlx5_glue->dereg_mr(pmd_mr->obj)); memset(pmd_mr, 0, sizeof(*pmd_mr)); } + +/** + * Rte_intr_handle create and init helper. + * + * @param[in] mode + * interrupt instance can be shared between primary and secondary + * processes or not. + * @param[in] set_fd_nonblock + * Whether to set fd to O_NONBLOCK. + * @param[in] fd + * Fd to set in created intr_handle. + * @param[in] cb + * Callback to register for intr_handle. + * @param[in] cb_arg + * Callback argument for cb. + * + * @return + * - Interrupt handle on success. + * - NULL on failure, with rte_errno set. + */ +struct rte_intr_handle * +mlx5_os_interrupt_handler_create(int mode, bool set_fd_nonblock, int fd, + rte_intr_callback_fn cb, void *cb_arg) +{ + struct rte_intr_handle *tmp_intr_handle; + int ret, flags; + + tmp_intr_handle = rte_intr_instance_alloc(mode); + if (!tmp_intr_handle) { + rte_errno = ENOMEM; + goto err; + } + if (set_fd_nonblock) { + flags = fcntl(fd, F_GETFL); + ret = fcntl(fd, F_SETFL, flags | O_NONBLOCK); + if (ret) { + rte_errno = errno; + goto err; + } + } + ret = rte_intr_fd_set(tmp_intr_handle, fd); + if (ret) + goto err; + ret = rte_intr_type_set(tmp_intr_handle, RTE_INTR_HANDLE_EXT); + if (ret) + goto err; + ret = rte_intr_callback_register(tmp_intr_handle, cb, cb_arg); + if (ret) { + rte_errno = -ret; + goto err; + } + return tmp_intr_handle; +err: + if (tmp_intr_handle) + rte_intr_instance_free(tmp_intr_handle); + return NULL; +} + +/* Safe unregistration for interrupt callback. */ +static void +mlx5_intr_callback_unregister(const struct rte_intr_handle *handle, + rte_intr_callback_fn cb_fn, void *cb_arg) +{ + uint64_t twait = 0; + uint64_t start = 0; + + do { + int ret; + + ret = rte_intr_callback_unregister(handle, cb_fn, cb_arg); + if (ret >= 0) + return; + if (ret != -EAGAIN) { + DRV_LOG(INFO, "failed to unregister interrupt" + " handler (error: %d)", ret); + MLX5_ASSERT(false); + return; + } + if (twait) { + struct timespec onems; + + /* Wait one millisecond and try again. */ + onems.tv_sec = 0; + onems.tv_nsec = NS_PER_S / MS_PER_S; + nanosleep(&onems, 0); + /* Check whether one second elapsed. */ + if ((rte_get_timer_cycles() - start) <= twait) + continue; + } else { + /* + * We get the amount of timer ticks for one second. + * If this amount elapsed it means we spent one + * second in waiting. This branch is executed once + * on first iteration. + */ + twait = rte_get_timer_hz(); + MLX5_ASSERT(twait); + } + /* + * Timeout elapsed, show message (once a second) and retry. + * We have no other acceptable option here, if we ignore + * the unregistering return code the handler will not + * be unregistered, fd will be closed and we may get the + * crush. Hanging and messaging in the loop seems not to be + * the worst choice. + */ + DRV_LOG(INFO, "Retrying to unregister interrupt handler"); + start = rte_get_timer_cycles(); + } while (true); +} + +/** + * Rte_intr_handle destroy helper. + * + * @param[in] intr_handle + * Rte_intr_handle to destroy. + * @param[in] cb + * Callback which is registered to intr_handle. + * @param[in] cb_arg + * Callback argument for cb. + * + */ +void +mlx5_os_interrupt_handler_destroy(struct rte_intr_handle *intr_handle, + rte_intr_callback_fn cb, void *cb_arg) +{ + if (rte_intr_fd_get(intr_handle) >= 0) + mlx5_intr_callback_unregister(intr_handle, cb, cb_arg); + rte_intr_instance_free(intr_handle); +} diff --git a/drivers/common/mlx5/linux/mlx5_common_os.h b/drivers/common/mlx5/linux/mlx5_common_os.h index 27f1192..479bb3c 100644 --- a/drivers/common/mlx5/linux/mlx5_common_os.h +++ b/drivers/common/mlx5/linux/mlx5_common_os.h @@ -15,6 +15,7 @@ #include #include #include +#include #include "mlx5_autoconf.h" #include "mlx5_glue.h" @@ -299,4 +300,14 @@ int mlx5_get_device_guid(const struct rte_pci_addr *dev, uint8_t *guid, size_t len); +__rte_internal +struct rte_intr_handle * +mlx5_os_interrupt_handler_create(int mode, bool set_fd_nonblock, int fd, + rte_intr_callback_fn cb, void *cb_arg); + +__rte_internal +void +mlx5_os_interrupt_handler_destroy(struct rte_intr_handle *intr_handle, + rte_intr_callback_fn cb, void *cb_arg); + #endif /* RTE_PMD_MLX5_COMMON_OS_H_ */ diff --git a/drivers/common/mlx5/version.map b/drivers/common/mlx5/version.map index a23a30a..413dec1 100644 --- a/drivers/common/mlx5/version.map +++ b/drivers/common/mlx5/version.map @@ -153,5 +153,7 @@ INTERNAL { mlx5_mr_mempool2mr_bh; mlx5_mr_mempool_populate_cache; + mlx5_os_interrupt_handler_create; # WINDOWS_NO_EXPORT + mlx5_os_interrupt_handler_destroy; # WINDOWS_NO_EXPORT local: *; }; diff --git a/drivers/common/mlx5/windows/mlx5_common_os.h b/drivers/common/mlx5/windows/mlx5_common_os.h index ee7973f..e9e9108 100644 --- a/drivers/common/mlx5/windows/mlx5_common_os.h +++ b/drivers/common/mlx5/windows/mlx5_common_os.h @@ -9,6 +9,7 @@ #include #include +#include #include "mlx5_autoconf.h" #include "mlx5_glue.h" @@ -253,4 +254,27 @@ __rte_internal int mlx5_os_umem_dereg(void *pumem); +static inline struct rte_intr_handle * +mlx5_os_interrupt_handler_create(int mode, bool set_fd_nonblock, int fd, + rte_intr_callback_fn cb, void *cb_arg) +{ + (void)mode; + (void)set_fd_nonblock; + (void)fd; + (void)cb; + (void)cb_arg; + rte_errno = ENOTSUP; + return NULL; +} + +static inline void +mlx5_os_interrupt_handler_destroy(struct rte_intr_handle *intr_handle, + rte_intr_callback_fn cb, void *cb_arg) +{ + (void)intr_handle; + (void)cb; + (void)cb_arg; +} + + #endif /* RTE_PMD_MLX5_COMMON_OS_H_ */ diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c b/drivers/net/mlx5/linux/mlx5_ethdev_os.c index 8fe73f1..a276b2b 100644 --- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c +++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c @@ -881,77 +881,6 @@ struct ethtool_link_settings { } } -/* - * Unregister callback handler safely. The handler may be active - * while we are trying to unregister it, in this case code -EAGAIN - * is returned by rte_intr_callback_unregister(). This routine checks - * the return code and tries to unregister handler again. - * - * @param handle - * interrupt handle - * @param cb_fn - * pointer to callback routine - * @cb_arg - * opaque callback parameter - */ -void -mlx5_intr_callback_unregister(const struct rte_intr_handle *handle, - rte_intr_callback_fn cb_fn, void *cb_arg) -{ - /* - * Try to reduce timeout management overhead by not calling - * the timer related routines on the first iteration. If the - * unregistering succeeds on first call there will be no - * timer calls at all. - */ - uint64_t twait = 0; - uint64_t start = 0; - - do { - int ret; - - ret = rte_intr_callback_unregister(handle, cb_fn, cb_arg); - if (ret >= 0) - return; - if (ret != -EAGAIN) { - DRV_LOG(INFO, "failed to unregister interrupt" - " handler (error: %d)", ret); - MLX5_ASSERT(false); - return; - } - if (twait) { - struct timespec onems; - - /* Wait one millisecond and try again. */ - onems.tv_sec = 0; - onems.tv_nsec = NS_PER_S / MS_PER_S; - nanosleep(&onems, 0); - /* Check whether one second elapsed. */ - if ((rte_get_timer_cycles() - start) <= twait) - continue; - } else { - /* - * We get the amount of timer ticks for one second. - * If this amount elapsed it means we spent one - * second in waiting. This branch is executed once - * on first iteration. - */ - twait = rte_get_timer_hz(); - MLX5_ASSERT(twait); - } - /* - * Timeout elapsed, show message (once a second) and retry. - * We have no other acceptable option here, if we ignore - * the unregistering return code the handler will not - * be unregistered, fd will be closed and we may get the - * crush. Hanging and messaging in the loop seems not to be - * the worst choice. - */ - DRV_LOG(INFO, "Retrying to unregister interrupt handler"); - start = rte_get_timer_cycles(); - } while (true); -} - /** * Handle DEVX interrupts from the NIC. * This function is probably called from the DPDK host thread. diff --git a/drivers/net/mlx5/linux/mlx5_os.c b/drivers/net/mlx5/linux/mlx5_os.c index a821153..0741028 100644 --- a/drivers/net/mlx5/linux/mlx5_os.c +++ b/drivers/net/mlx5/linux/mlx5_os.c @@ -2494,40 +2494,6 @@ mlx5_pmd_socket_uninit(); } -static int -mlx5_os_dev_shared_handler_install_lsc(struct mlx5_dev_ctx_shared *sh) -{ - int nlsk_fd, flags, ret; - - nlsk_fd = mlx5_nl_init(NETLINK_ROUTE, RTMGRP_LINK); - if (nlsk_fd < 0) { - DRV_LOG(ERR, "Failed to create a socket for Netlink events: %s", - rte_strerror(rte_errno)); - return -1; - } - flags = fcntl(nlsk_fd, F_GETFL); - ret = fcntl(nlsk_fd, F_SETFL, flags | O_NONBLOCK); - if (ret != 0) { - DRV_LOG(ERR, "Failed to make Netlink event socket non-blocking: %s", - strerror(errno)); - rte_errno = errno; - goto error; - } - rte_intr_type_set(sh->intr_handle_nl, RTE_INTR_HANDLE_EXT); - rte_intr_fd_set(sh->intr_handle_nl, nlsk_fd); - if (rte_intr_callback_register(sh->intr_handle_nl, - mlx5_dev_interrupt_handler_nl, - sh) != 0) { - DRV_LOG(ERR, "Failed to register Netlink events interrupt"); - rte_intr_fd_set(sh->intr_handle_nl, -1); - goto error; - } - return 0; -error: - close(nlsk_fd); - return -1; -} - /** * Install shared asynchronous device events handler. * This function is implemented to support event sharing @@ -2539,76 +2505,47 @@ void mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh) { - int ret; - int flags; struct ibv_context *ctx = sh->cdev->ctx; + int nlsk_fd; - sh->intr_handle = rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED); - if (sh->intr_handle == NULL) { - DRV_LOG(ERR, "Fail to allocate intr_handle"); - rte_errno = ENOMEM; + sh->intr_handle = mlx5_os_interrupt_handler_create + (RTE_INTR_INSTANCE_F_SHARED, true, + ctx->async_fd, mlx5_dev_interrupt_handler, sh); + if (!sh->intr_handle) { + DRV_LOG(ERR, "Failed to allocate intr_handle."); return; } - rte_intr_fd_set(sh->intr_handle, -1); - - flags = fcntl(ctx->async_fd, F_GETFL); - ret = fcntl(ctx->async_fd, F_SETFL, flags | O_NONBLOCK); - if (ret) { - DRV_LOG(INFO, "failed to change file descriptor async event" - " queue"); - } else { - rte_intr_fd_set(sh->intr_handle, ctx->async_fd); - rte_intr_type_set(sh->intr_handle, RTE_INTR_HANDLE_EXT); - if (rte_intr_callback_register(sh->intr_handle, - mlx5_dev_interrupt_handler, sh)) { - DRV_LOG(INFO, "Fail to install the shared interrupt."); - rte_intr_fd_set(sh->intr_handle, -1); - } + nlsk_fd = mlx5_nl_init(NETLINK_ROUTE, RTMGRP_LINK); + if (nlsk_fd < 0) { + DRV_LOG(ERR, "Failed to create a socket for Netlink events: %s", + rte_strerror(rte_errno)); + return; } - sh->intr_handle_nl = rte_intr_instance_alloc - (RTE_INTR_INSTANCE_F_SHARED); + sh->intr_handle_nl = mlx5_os_interrupt_handler_create + (RTE_INTR_INSTANCE_F_SHARED, true, + nlsk_fd, mlx5_dev_interrupt_handler_nl, sh); if (sh->intr_handle_nl == NULL) { DRV_LOG(ERR, "Fail to allocate intr_handle"); - rte_errno = ENOMEM; return; } - rte_intr_fd_set(sh->intr_handle_nl, -1); - if (mlx5_os_dev_shared_handler_install_lsc(sh) < 0) { - DRV_LOG(INFO, "Fail to install the shared Netlink event handler."); - rte_intr_fd_set(sh->intr_handle_nl, -1); - } if (sh->cdev->config.devx) { #ifdef HAVE_IBV_DEVX_ASYNC - sh->intr_handle_devx = - rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED); - if (!sh->intr_handle_devx) { - DRV_LOG(ERR, "Fail to allocate intr_handle"); - rte_errno = ENOMEM; - return; - } - rte_intr_fd_set(sh->intr_handle_devx, -1); + struct mlx5dv_devx_cmd_comp *devx_comp; + sh->devx_comp = (void *)mlx5_glue->devx_create_cmd_comp(ctx); - struct mlx5dv_devx_cmd_comp *devx_comp = sh->devx_comp; + devx_comp = sh->devx_comp; if (!devx_comp) { DRV_LOG(INFO, "failed to allocate devx_comp."); return; } - flags = fcntl(devx_comp->fd, F_GETFL); - ret = fcntl(devx_comp->fd, F_SETFL, flags | O_NONBLOCK); - if (ret) { - DRV_LOG(INFO, "failed to change file descriptor" - " devx comp"); + sh->intr_handle_devx = mlx5_os_interrupt_handler_create + (RTE_INTR_INSTANCE_F_SHARED, true, + devx_comp->fd, + mlx5_dev_interrupt_handler_devx, sh); + if (!sh->intr_handle_devx) { + DRV_LOG(ERR, "Failed to allocate intr_handle."); return; } - rte_intr_fd_set(sh->intr_handle_devx, devx_comp->fd); - rte_intr_type_set(sh->intr_handle_devx, - RTE_INTR_HANDLE_EXT); - if (rte_intr_callback_register(sh->intr_handle_devx, - mlx5_dev_interrupt_handler_devx, sh)) { - DRV_LOG(INFO, "Fail to install the devx shared" - " interrupt."); - rte_intr_fd_set(sh->intr_handle_devx, -1); - } #endif /* HAVE_IBV_DEVX_ASYNC */ } } @@ -2624,24 +2561,13 @@ void mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh) { - int nlsk_fd; - - if (rte_intr_fd_get(sh->intr_handle) >= 0) - mlx5_intr_callback_unregister(sh->intr_handle, - mlx5_dev_interrupt_handler, sh); - rte_intr_instance_free(sh->intr_handle); - nlsk_fd = rte_intr_fd_get(sh->intr_handle_nl); - if (nlsk_fd >= 0) { - mlx5_intr_callback_unregister - (sh->intr_handle_nl, mlx5_dev_interrupt_handler_nl, sh); - close(nlsk_fd); - } - rte_intr_instance_free(sh->intr_handle_nl); + mlx5_os_interrupt_handler_destroy(sh->intr_handle, + mlx5_dev_interrupt_handler, sh); + mlx5_os_interrupt_handler_destroy(sh->intr_handle_nl, + mlx5_dev_interrupt_handler_nl, sh); #ifdef HAVE_IBV_DEVX_ASYNC - if (rte_intr_fd_get(sh->intr_handle_devx) >= 0) - rte_intr_callback_unregister(sh->intr_handle_devx, - mlx5_dev_interrupt_handler_devx, sh); - rte_intr_instance_free(sh->intr_handle_devx); + mlx5_os_interrupt_handler_destroy(sh->intr_handle_devx, + mlx5_dev_interrupt_handler_devx, sh); if (sh->devx_comp) mlx5_glue->devx_destroy_cmd_comp(sh->devx_comp); #endif diff --git a/drivers/net/mlx5/linux/mlx5_socket.c b/drivers/net/mlx5/linux/mlx5_socket.c index 4882e5f..0e01aff 100644 --- a/drivers/net/mlx5/linux/mlx5_socket.c +++ b/drivers/net/mlx5/linux/mlx5_socket.c @@ -134,51 +134,6 @@ } /** - * Install interrupt handler. - * - * @param dev - * Pointer to Ethernet device. - * @return - * 0 on success, a negative errno value otherwise. - */ -static int -mlx5_pmd_interrupt_handler_install(void) -{ - MLX5_ASSERT(server_socket != -1); - - server_intr_handle = - rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_PRIVATE); - if (server_intr_handle == NULL) { - DRV_LOG(ERR, "Fail to allocate intr_handle"); - return -ENOMEM; - } - if (rte_intr_fd_set(server_intr_handle, server_socket)) - return -rte_errno; - - if (rte_intr_type_set(server_intr_handle, RTE_INTR_HANDLE_EXT)) - return -rte_errno; - - return rte_intr_callback_register(server_intr_handle, - mlx5_pmd_socket_handle, NULL); -} - -/** - * Uninstall interrupt handler. - */ -static void -mlx5_pmd_interrupt_handler_uninstall(void) -{ - if (server_socket != -1) { - mlx5_intr_callback_unregister(server_intr_handle, - mlx5_pmd_socket_handle, - NULL); - } - rte_intr_fd_set(server_intr_handle, 0); - rte_intr_type_set(server_intr_handle, RTE_INTR_HANDLE_UNKNOWN); - rte_intr_instance_free(server_intr_handle); -} - -/** * Initialise the socket to communicate with external tools. * * @return @@ -224,7 +179,10 @@ strerror(errno)); goto remove; } - if (mlx5_pmd_interrupt_handler_install()) { + server_intr_handle = mlx5_os_interrupt_handler_create + (RTE_INTR_INSTANCE_F_PRIVATE, false, + server_socket, mlx5_pmd_socket_handle, NULL); + if (server_intr_handle == NULL) { DRV_LOG(WARNING, "cannot register interrupt handler for mlx5 socket: %s", strerror(errno)); goto remove; @@ -248,7 +206,8 @@ { if (server_socket == -1) return; - mlx5_pmd_interrupt_handler_uninstall(); + mlx5_os_interrupt_handler_destroy(server_intr_handle, + mlx5_pmd_socket_handle, NULL); claim_zero(close(server_socket)); server_socket = -1; MKSTR(path, MLX5_SOCKET_PATH, getpid()); diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index 305edff..7ebb2cc 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -1682,8 +1682,6 @@ int mlx5_sysfs_switch_info(unsigned int ifindex, struct mlx5_switch_info *info); void mlx5_translate_port_name(const char *port_name_in, struct mlx5_switch_info *port_info_out); -void mlx5_intr_callback_unregister(const struct rte_intr_handle *handle, - rte_intr_callback_fn cb_fn, void *cb_arg); int mlx5_sysfs_bond_info(unsigned int pf_ifindex, unsigned int *ifindex, char *ifname); int mlx5_get_module_info(struct rte_eth_dev *dev, diff --git a/drivers/net/mlx5/mlx5_txpp.c b/drivers/net/mlx5/mlx5_txpp.c index fe74317..f853a67 100644 --- a/drivers/net/mlx5/mlx5_txpp.c +++ b/drivers/net/mlx5/mlx5_txpp.c @@ -741,11 +741,8 @@ static void mlx5_txpp_stop_service(struct mlx5_dev_ctx_shared *sh) { - if (!rte_intr_fd_get(sh->txpp.intr_handle)) - return; - mlx5_intr_callback_unregister(sh->txpp.intr_handle, - mlx5_txpp_interrupt_handler, sh); - rte_intr_instance_free(sh->txpp.intr_handle); + mlx5_os_interrupt_handler_destroy(sh->txpp.intr_handle, + mlx5_txpp_interrupt_handler, sh); } /* Attach interrupt handler and fires first request to Rearm Queue. */ @@ -769,23 +766,12 @@ rte_errno = errno; return -rte_errno; } - sh->txpp.intr_handle = - rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED); - if (sh->txpp.intr_handle == NULL) { - DRV_LOG(ERR, "Fail to allocate intr_handle"); - return -ENOMEM; - } fd = mlx5_os_get_devx_channel_fd(sh->txpp.echan); - if (rte_intr_fd_set(sh->txpp.intr_handle, fd)) - return -rte_errno; - - if (rte_intr_type_set(sh->txpp.intr_handle, RTE_INTR_HANDLE_EXT)) - return -rte_errno; - - if (rte_intr_callback_register(sh->txpp.intr_handle, - mlx5_txpp_interrupt_handler, sh)) { - rte_intr_fd_set(sh->txpp.intr_handle, 0); - DRV_LOG(ERR, "Failed to register CQE interrupt %d.", rte_errno); + sh->txpp.intr_handle = mlx5_os_interrupt_handler_create + (RTE_INTR_INSTANCE_F_SHARED, false, + fd, mlx5_txpp_interrupt_handler, sh); + if (!sh->txpp.intr_handle) { + DRV_LOG(ERR, "Fail to allocate intr_handle"); return -rte_errno; } /* Subscribe CQ event to the event channel controlled by the driver. */ diff --git a/drivers/net/mlx5/windows/mlx5_ethdev_os.c b/drivers/net/mlx5/windows/mlx5_ethdev_os.c index f975265..88d8213 100644 --- a/drivers/net/mlx5/windows/mlx5_ethdev_os.c +++ b/drivers/net/mlx5/windows/mlx5_ethdev_os.c @@ -140,28 +140,6 @@ return 0; } -/* - * Unregister callback handler safely. The handler may be active - * while we are trying to unregister it, in this case code -EAGAIN - * is returned by rte_intr_callback_unregister(). This routine checks - * the return code and tries to unregister handler again. - * - * @param handle - * interrupt handle - * @param cb_fn - * pointer to callback routine - * @cb_arg - * opaque callback parameter - */ -void -mlx5_intr_callback_unregister(const struct rte_intr_handle *handle, - rte_intr_callback_fn cb_fn, void *cb_arg) -{ - RTE_SET_USED(handle); - RTE_SET_USED(cb_fn); - RTE_SET_USED(cb_arg); -} - /** * DPDK callback to get flow control status. * diff --git a/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c b/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c index e025be4..fd447cc 100644 --- a/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c +++ b/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c @@ -93,22 +93,10 @@ static int mlx5_vdpa_virtq_unset(struct mlx5_vdpa_virtq *virtq) { - int ret = -EAGAIN; - - if (rte_intr_fd_get(virtq->intr_handle) >= 0) { - while (ret == -EAGAIN) { - ret = rte_intr_callback_unregister(virtq->intr_handle, - mlx5_vdpa_virtq_kick_handler, virtq); - if (ret == -EAGAIN) { - DRV_LOG(DEBUG, "Try again to unregister fd %d of virtq %hu interrupt", - rte_intr_fd_get(virtq->intr_handle), - virtq->index); - usleep(MLX5_VDPA_INTR_RETRIES_USEC); - } - } - rte_intr_fd_set(virtq->intr_handle, -1); - } - rte_intr_instance_free(virtq->intr_handle); + int ret; + + mlx5_os_interrupt_handler_destroy(virtq->intr_handle, + mlx5_vdpa_virtq_kick_handler, virtq); if (virtq->virtq) { ret = mlx5_vdpa_virtq_stop(virtq->priv, virtq->index); if (ret) @@ -365,35 +353,13 @@ virtq->priv = priv; rte_write32(virtq->index, priv->virtq_db_addr); /* Setup doorbell mapping. */ - virtq->intr_handle = - rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED); + virtq->intr_handle = mlx5_os_interrupt_handler_create( + RTE_INTR_INSTANCE_F_SHARED, false, + vq.kickfd, mlx5_vdpa_virtq_kick_handler, virtq); if (virtq->intr_handle == NULL) { DRV_LOG(ERR, "Fail to allocate intr_handle"); goto error; } - - if (rte_intr_fd_set(virtq->intr_handle, vq.kickfd)) - goto error; - - if (rte_intr_fd_get(virtq->intr_handle) == -1) { - DRV_LOG(WARNING, "Virtq %d kickfd is invalid.", index); - } else { - if (rte_intr_type_set(virtq->intr_handle, RTE_INTR_HANDLE_EXT)) - goto error; - - if (rte_intr_callback_register(virtq->intr_handle, - mlx5_vdpa_virtq_kick_handler, - virtq)) { - rte_intr_fd_set(virtq->intr_handle, -1); - DRV_LOG(ERR, "Failed to register virtq %d interrupt.", - index); - goto error; - } else { - DRV_LOG(DEBUG, "Register fd %d interrupt for virtq %d.", - rte_intr_fd_get(virtq->intr_handle), - index); - } - } /* Subscribe virtq error event. */ virtq->version++; cookie = ((uint64_t)virtq->version << 32) + index; -- 1.8.3.1