X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Ffslmc%2Fportal%2Fdpaa2_hw_dpio.c;h=eefde1552e6925f20f94d4ac253fcbc546705fd5;hb=8a7833e19b7bdd78b45cb322c809ed7e10d7b18d;hp=c626c12a49295eaed724b5ead1317baf3703d7e8;hpb=6e1f055d79e0629745699fa7a049a1eefe5cc752;p=dpdk.git diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c index c626c12a49..eefde1552e 100644 --- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c +++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c @@ -1,34 +1,8 @@ -/*- - * BSD LICENSE +/* SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved. - * Copyright (c) 2016 NXP. All rights reserved. + * Copyright 2016 NXP * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Freescale Semiconductor, Inc nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include @@ -46,19 +20,20 @@ #include #include #include +#include +#include #include -#include +#include #include #include #include #include #include #include -#include #include -#include +#include #include "dpaa2_hw_pvt.h" #include "dpaa2_hw_dpio.h" #include @@ -75,6 +50,9 @@ static struct dpio_dev_list dpio_dev_list = TAILQ_HEAD_INITIALIZER(dpio_dev_list); /*!< DPIO device list */ static uint32_t io_space_count; +/* Variable to store DPAA2 platform type */ +uint32_t dpaa2_svr_family; + /*Stashing Macros default for LS208x*/ static int dpaa2_core_cluster_base = 0x04; static int dpaa2_cluster_sz = 2; @@ -89,23 +67,116 @@ static int dpaa2_cluster_sz = 2; * Cluster 1 (ID = x02) : CPU0, CPU1, CPU2, CPU3; * Cluster 2 (ID = x03) : CPU4, CPU5, CPU6, CPU7; */ - -/* Set the STASH Destination depending on Current CPU ID. - * e.g. Valid values of SDEST are 4,5,6,7. Where, - * CPU 0-1 will have SDEST 4 - * CPU 2-3 will have SDEST 5.....and so on. +/* For LX2160 platform There are four clusters with following mapping: + * Cluster 1 (ID = x00) : CPU0, CPU1; + * Cluster 2 (ID = x01) : CPU2, CPU3; + * Cluster 3 (ID = x02) : CPU4, CPU5; + * Cluster 4 (ID = x03) : CPU6, CPU7; + * Cluster 1 (ID = x04) : CPU8, CPU9; + * Cluster 2 (ID = x05) : CPU10, CP11; + * Cluster 3 (ID = x06) : CPU12, CPU13; + * Cluster 4 (ID = x07) : CPU14, CPU15; */ + static int dpaa2_core_cluster_sdest(int cpu_id) { int x = cpu_id / dpaa2_cluster_sz; - if (x > 3) - x = 3; - return dpaa2_core_cluster_base + x; } +#ifdef RTE_LIBRTE_PMD_DPAA2_EVENTDEV +static void dpaa2_affine_dpio_intr_to_respective_core(int32_t dpio_id) +{ +#define STRING_LEN 28 +#define COMMAND_LEN 50 + uint32_t cpu_mask = 1; + int ret; + size_t len = 0; + char *temp = NULL, *token = NULL; + char string[STRING_LEN], command[COMMAND_LEN]; + FILE *file; + + snprintf(string, STRING_LEN, "dpio.%d", dpio_id); + file = fopen("/proc/interrupts", "r"); + if (!file) { + PMD_DRV_LOG(WARNING, "Failed to open /proc/interrupts file\n"); + return; + } + while (getline(&temp, &len, file) != -1) { + if ((strstr(temp, string)) != NULL) { + token = strtok(temp, ":"); + break; + } + } + + if (!token) { + PMD_DRV_LOG(WARNING, "Failed to get interrupt id for dpio.%d\n", + dpio_id); + if (temp) + free(temp); + fclose(file); + return; + } + + cpu_mask = cpu_mask << rte_lcore_id(); + snprintf(command, COMMAND_LEN, "echo %X > /proc/irq/%s/smp_affinity", + cpu_mask, token); + ret = system(command); + if (ret < 0) + PMD_DRV_LOG(WARNING, + "Failed to affine interrupts on respective core\n"); + else + PMD_DRV_LOG(WARNING, " %s command is executed\n", command); + + free(temp); + fclose(file); +} + +static int dpaa2_dpio_intr_init(struct dpaa2_dpio_dev *dpio_dev) +{ + struct epoll_event epoll_ev; + int eventfd, dpio_epoll_fd, ret; + int threshold = 0x3, timeout = 0xFF; + + dpio_epoll_fd = epoll_create(1); + ret = rte_dpaa2_intr_enable(&dpio_dev->intr_handle, 0); + if (ret) { + PMD_DRV_LOG(ERR, "Interrupt registeration failed\n"); + return -1; + } + + if (getenv("DPAA2_PORTAL_INTR_THRESHOLD")) + threshold = atoi(getenv("DPAA2_PORTAL_INTR_THRESHOLD")); + + if (getenv("DPAA2_PORTAL_INTR_TIMEOUT")) + sscanf(getenv("DPAA2_PORTAL_INTR_TIMEOUT"), "%x", &timeout); + + qbman_swp_interrupt_set_trigger(dpio_dev->sw_portal, + QBMAN_SWP_INTERRUPT_DQRI); + qbman_swp_interrupt_clear_status(dpio_dev->sw_portal, 0xffffffff); + qbman_swp_interrupt_set_inhibit(dpio_dev->sw_portal, 0); + qbman_swp_dqrr_thrshld_write(dpio_dev->sw_portal, threshold); + qbman_swp_intr_timeout_write(dpio_dev->sw_portal, timeout); + + eventfd = dpio_dev->intr_handle.fd; + epoll_ev.events = EPOLLIN | EPOLLPRI | EPOLLET; + epoll_ev.data.fd = eventfd; + + ret = epoll_ctl(dpio_epoll_fd, EPOLL_CTL_ADD, eventfd, &epoll_ev); + if (ret < 0) { + PMD_DRV_LOG(ERR, "epoll_ctl failed\n"); + return -1; + } + dpio_dev->epoll_fd = dpio_epoll_fd; + + dpaa2_affine_dpio_intr_to_respective_core(dpio_dev->hw_id); + + return 0; +} +#endif + static int configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev) { @@ -118,7 +189,7 @@ configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev) return -1; } - PMD_DRV_LOG(DEBUG, "\t Allocated DPIO Portal[%p]", dpio_dev->dpio); + PMD_DRV_LOG(DEBUG, "Allocated DPIO Portal[%p]", dpio_dev->dpio); dpio_dev->dpio->regs = dpio_dev->mc_portal; if (dpio_open(dpio_dev->dpio, CMD_PRI_LOW, dpio_dev->hw_id, &dpio_dev->token)) { @@ -150,8 +221,6 @@ configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev) return -1; } - PMD_INIT_LOG(DEBUG, "Qbman Portal ID %d", attr.qbman_portal_id); - /* Configure & setup SW portal */ p_des.block = NULL; p_des.idx = attr.qbman_portal_id; @@ -172,29 +241,11 @@ configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev) } static int -dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev) +dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev, int cpu_id) { - int sdest; - int cpu_id, ret; - static int first_time; - - /* find the SoC type for the first time */ - if (!first_time) { - struct mc_soc_version mc_plat_info = {0}; - - if (mc_get_soc_version(dpio_dev->dpio, - CMD_PRI_LOW, &mc_plat_info)) { - PMD_INIT_LOG(ERR, "\tmc_get_soc_version failed\n"); - } else if ((mc_plat_info.svr & 0xffff0000) == SVR_LS1080A) { - dpaa2_core_cluster_base = 0x02; - dpaa2_cluster_sz = 4; - PMD_INIT_LOG(DEBUG, "\tLS108x (A53) Platform Detected"); - } - first_time = 1; - } + int sdest, ret; /* Set the Stashing Destination */ - cpu_id = rte_lcore_id(); if (cpu_id < 0) { cpu_id = rte_get_master_lcore(); if (cpu_id < 0) { @@ -217,10 +268,17 @@ dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev) return -1; } +#ifdef RTE_LIBRTE_PMD_DPAA2_EVENTDEV + if (dpaa2_dpio_intr_init(dpio_dev)) { + PMD_DRV_LOG(ERR, "Interrupt registration failed for dpio\n"); + return -1; + } +#endif + return 0; } -static inline struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void) +struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(int cpu_id) { struct dpaa2_dpio_dev *dpio_dev = NULL; int ret; @@ -236,7 +294,7 @@ static inline struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void) PMD_DRV_LOG(DEBUG, "New Portal=0x%x (%d) affined thread - %lu", dpio_dev, dpio_dev->index, syscall(SYS_gettid)); - ret = dpaa2_configure_stashing(dpio_dev); + ret = dpaa2_configure_stashing(dpio_dev, cpu_id); if (ret) PMD_DRV_LOG(ERR, "dpaa2_configure_stashing failed"); @@ -276,7 +334,7 @@ dpaa2_affine_qbman_swp(void) } /* Populate the dpaa2_io_portal structure */ - dpaa2_io_portal[lcore_id].dpio_dev = dpaa2_get_qbman_swp(); + dpaa2_io_portal[lcore_id].dpio_dev = dpaa2_get_qbman_swp(lcore_id); if (dpaa2_io_portal[lcore_id].dpio_dev) { RTE_PER_LCORE(_dpaa2_io).dpio_dev @@ -322,7 +380,7 @@ dpaa2_affine_qbman_swp_sec(void) } /* Populate the dpaa2_io_portal structure */ - dpaa2_io_portal[lcore_id].sec_dpio_dev = dpaa2_get_qbman_swp(); + dpaa2_io_portal[lcore_id].sec_dpio_dev = dpaa2_get_qbman_swp(lcore_id); if (dpaa2_io_portal[lcore_id].sec_dpio_dev) { RTE_PER_LCORE(_dpaa2_io).sec_dpio_dev @@ -335,7 +393,7 @@ dpaa2_affine_qbman_swp_sec(void) } static int -dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, +dpaa2_create_dpio_device(int vdev_fd, struct vfio_device_info *obj_info, int object_id) { @@ -357,13 +415,12 @@ dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, dpio_dev->dpio = NULL; dpio_dev->hw_id = object_id; - dpio_dev->vfio_fd = vdev->fd; rte_atomic16_init(&dpio_dev->ref_count); /* Using single portal for all devices */ dpio_dev->mc_portal = rte_mcp_ptr_list[MC_PORTAL_INDEX]; reg_info.index = 0; - if (ioctl(dpio_dev->vfio_fd, VFIO_DEVICE_GET_REGION_INFO, ®_info)) { + if (ioctl(vdev_fd, VFIO_DEVICE_GET_REGION_INFO, ®_info)) { PMD_INIT_LOG(ERR, "vfio: error getting region info\n"); rte_free(dpio_dev); return -1; @@ -372,20 +429,10 @@ dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, dpio_dev->ce_size = reg_info.size; dpio_dev->qbman_portal_ce_paddr = (uint64_t)mmap(NULL, reg_info.size, PROT_WRITE | PROT_READ, MAP_SHARED, - dpio_dev->vfio_fd, reg_info.offset); - - /* Create Mapping for QBMan Cache Enabled area. This is a fix for - * SMMU fault for DQRR statshing transaction. - */ - if (vfio_dmamap_mem_region(dpio_dev->qbman_portal_ce_paddr, - reg_info.offset, reg_info.size)) { - PMD_INIT_LOG(ERR, "DMAMAP for Portal CE area failed.\n"); - rte_free(dpio_dev); - return -1; - } + vdev_fd, reg_info.offset); reg_info.index = 1; - if (ioctl(dpio_dev->vfio_fd, VFIO_DEVICE_GET_REGION_INFO, ®_info)) { + if (ioctl(vdev_fd, VFIO_DEVICE_GET_REGION_INFO, ®_info)) { PMD_INIT_LOG(ERR, "vfio: error getting region info\n"); rte_free(dpio_dev); return -1; @@ -394,7 +441,7 @@ dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, dpio_dev->ci_size = reg_info.size; dpio_dev->qbman_portal_ci_paddr = (uint64_t)mmap(NULL, reg_info.size, PROT_WRITE | PROT_READ, MAP_SHARED, - dpio_dev->vfio_fd, reg_info.offset); + vdev_fd, reg_info.offset); if (configure_dpio_qbman_swp(dpio_dev)) { PMD_INIT_LOG(ERR, @@ -406,8 +453,34 @@ dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, io_space_count++; dpio_dev->index = io_space_count; + + if (rte_dpaa2_vfio_setup_intr(&dpio_dev->intr_handle, vdev_fd, 1)) { + PMD_INIT_LOG(ERR, "Fail to setup interrupt for %d\n", + dpio_dev->hw_id); + rte_free(dpio_dev); + } + + /* find the SoC type for the first time */ + if (!dpaa2_svr_family) { + struct mc_soc_version mc_plat_info = {0}; + + if (mc_get_soc_version(dpio_dev->dpio, + CMD_PRI_LOW, &mc_plat_info)) { + PMD_INIT_LOG(ERR, "\tmc_get_soc_version failed\n"); + } else if ((mc_plat_info.svr & 0xffff0000) == SVR_LS1080A) { + dpaa2_core_cluster_base = 0x02; + dpaa2_cluster_sz = 4; + PMD_INIT_LOG(DEBUG, "\tLS108x (A53) Platform Detected"); + } else if ((mc_plat_info.svr & 0xffff0000) == SVR_LX2160A) { + dpaa2_core_cluster_base = 0x00; + dpaa2_cluster_sz = 2; + PMD_INIT_LOG(DEBUG, "\tLX2160 Platform Detected"); + } + dpaa2_svr_family = (mc_plat_info.svr & 0xffff0000); + } + TAILQ_INSERT_TAIL(&dpio_dev_list, dpio_dev, next); - PMD_INIT_LOG(DEBUG, "DPAA2: Added [dpio-%d]", object_id); + RTE_LOG(DEBUG, PMD, "DPAA2: Added [dpio.%d]\n", object_id); return 0; } @@ -444,7 +517,7 @@ fail: } static struct rte_dpaa2_object rte_dpaa2_dpio_obj = { - .object_id = DPAA2_MC_DPIO_DEVID, + .dev_type = DPAA2_IO, .create = dpaa2_create_dpio_device, };