X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Ffslmc%2Fportal%2Fdpaa2_hw_dpio.c;h=f00070f3f36c20e890bfe2656f0af87ade2ba203;hb=04dfa63404352691a0865421ae793c3463312b0b;hp=668d987c211dda6c69bb49913f3619430c1d0bf4;hpb=e24b05bfd20d637a920c6dc1d7c4ee0aa107287e;p=dpdk.git diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c index 668d987c21..f00070f3f3 100644 --- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c +++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c @@ -2,7 +2,7 @@ * BSD LICENSE * * 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 @@ -46,6 +46,8 @@ #include #include #include +#include +#include #include #include @@ -55,10 +57,9 @@ #include #include #include -#include #include -#include +#include #include "dpaa2_hw_pvt.h" #include "dpaa2_hw_dpio.h" #include @@ -89,23 +90,114 @@ 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; } +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; +} + static int configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev) { @@ -118,7 +210,7 @@ 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)) { @@ -150,10 +242,6 @@ configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev) return -1; } - PMD_INIT_LOG(DEBUG, "Qbman Portal ID %d", attr.qbman_portal_id); - PMD_INIT_LOG(DEBUG, "Portal CE adr 0x%lX", attr.qbman_portal_ce_offset); - PMD_INIT_LOG(DEBUG, "Portal CI adr 0x%lX", attr.qbman_portal_ci_offset); - /* Configure & setup SW portal */ p_des.block = NULL; p_des.idx = attr.qbman_portal_id; @@ -170,16 +258,13 @@ configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev) return -1; } - PMD_INIT_LOG(DEBUG, "QBMan SW Portal 0x%p\n", dpio_dev->sw_portal); - return 0; } 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; + int sdest, ret; static int first_time; /* find the SoC type for the first time */ @@ -193,12 +278,15 @@ dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev) 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"); } first_time = 1; } /* Set the Stashing Destination */ - cpu_id = rte_lcore_id(); if (cpu_id < 0) { cpu_id = rte_get_master_lcore(); if (cpu_id < 0) { @@ -221,10 +309,15 @@ dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev) return -1; } + if (dpaa2_dpio_intr_init(dpio_dev)) { + PMD_DRV_LOG(ERR, "Interrupt registration failed for dpio\n"); + return -1; + } + 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; @@ -240,7 +333,7 @@ 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"); @@ -280,7 +373,7 @@ 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 @@ -326,7 +419,7 @@ 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 @@ -338,10 +431,10 @@ dpaa2_affine_qbman_swp_sec(void) } } -int -dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, +static int +dpaa2_create_dpio_device(int vdev_fd, struct vfio_device_info *obj_info, - int object_id) + int object_id) { struct dpaa2_dpio_dev *dpio_dev; struct vfio_region_info reg_info = { .argsz = sizeof(reg_info)}; @@ -359,51 +452,35 @@ dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, return -1; } - PMD_DRV_LOG(INFO, "\t Aloocated DPIO [%p]", dpio_dev); 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; } - PMD_DRV_LOG(DEBUG, "\t Region Offset = %llx", reg_info.offset); - PMD_DRV_LOG(DEBUG, "\t Region Size = %llx", reg_info.size); 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; } - PMD_DRV_LOG(DEBUG, "\t Region Offset = %llx", reg_info.offset); - PMD_DRV_LOG(DEBUG, "\t Region Size = %llx", reg_info.size); 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, @@ -415,8 +492,15 @@ 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); + } + 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; } @@ -446,9 +530,15 @@ dpaa2_alloc_dq_storage(struct queue_storage_info_t *q_storage) } return 0; fail: - i -= 1; - while (i >= 0) + while (--i >= 0) rte_free(q_storage->dq_storage[i]); return -1; } + +static struct rte_dpaa2_object rte_dpaa2_dpio_obj = { + .dev_type = DPAA2_IO, + .create = dpaa2_create_dpio_device, +}; + +RTE_PMD_REGISTER_DPAA2_OBJECT(dpio, rte_dpaa2_dpio_obj);