diff options
author | 2017-08-16 18:42:05 +0100 | |
---|---|---|
committer | 2017-08-16 18:46:04 +0100 | |
commit | f239aed5e674965691846e8ce3f187dd47523689 (patch) | |
tree | a153a3125c6e183c73871a8ecaa4b285fed5fbd5 /drivers/bus/fslmc/portal/dpaa2_hw_dpio.c | |
parent | bf7567fd2a5b0b28ab724046143c24561d38d015 (diff) |
New upstream version 17.08
Change-Id: I288b50990f52646089d6b1f3aaa6ba2f091a51d7
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/bus/fslmc/portal/dpaa2_hw_dpio.c')
-rw-r--r-- | drivers/bus/fslmc/portal/dpaa2_hw_dpio.c | 209 |
1 files changed, 150 insertions, 59 deletions
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c index a1a58b9c..283441b4 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 <sys/stat.h> #include <sys/mman.h> #include <sys/syscall.h> +#include <sys/epoll.h> +#include<sys/eventfd.h> #include <rte_mbuf.h> #include <rte_ethdev.h> @@ -55,20 +57,23 @@ #include <rte_cycles.h> #include <rte_kvargs.h> #include <rte_dev.h> -#include <rte_ethdev.h> #include <fslmc_logs.h> #include <fslmc_vfio.h> #include "dpaa2_hw_pvt.h" #include "dpaa2_hw_dpio.h" +#include <mc/fsl_dpmng.h> #define NUM_HOST_CPUS RTE_MAX_LCORE struct dpaa2_io_portal_t dpaa2_io_portal[RTE_MAX_LCORE]; RTE_DEFINE_PER_LCORE(struct dpaa2_io_portal_t, _dpaa2_io); -TAILQ_HEAD(dpio_device_list, dpaa2_dpio_dev); -static struct dpio_device_list *dpio_dev_list; /*!< DPIO device list */ +struct swp_active_dqs rte_global_active_dqs_list[NUM_MAX_SWP]; + +TAILQ_HEAD(dpio_dev_list, dpaa2_dpio_dev); +static struct dpio_dev_list dpio_dev_list + = TAILQ_HEAD_INITIALIZER(dpio_dev_list); /*!< DPIO device list */ static uint32_t io_space_count; /*Stashing Macros default for LS208x*/ @@ -102,6 +107,95 @@ dpaa2_core_cluster_sdest(int cpu_id) 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) { @@ -147,8 +241,6 @@ configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev) } 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; @@ -166,19 +258,31 @@ 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 */ + 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; + } /* Set the Stashing Destination */ - cpu_id = rte_lcore_id(); if (cpu_id < 0) { cpu_id = rte_get_master_lcore(); if (cpu_id < 0) { @@ -188,8 +292,6 @@ dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev) } /* Set the STASH Destination depending on Current CPU ID. * 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. */ sdest = dpaa2_core_cluster_sdest(cpu_id); @@ -203,16 +305,21 @@ 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; /* Get DPIO dev handle from list using index */ - TAILQ_FOREACH(dpio_dev, dpio_dev_list, next) { + TAILQ_FOREACH(dpio_dev, &dpio_dev_list, next) { if (dpio_dev && rte_atomic16_test_and_set(&dpio_dev->ref_count)) break; } @@ -222,7 +329,7 @@ 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"); @@ -262,7 +369,7 @@ 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 @@ -308,7 +415,7 @@ 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 @@ -320,13 +427,14 @@ dpaa2_affine_qbman_swp_sec(void) } } -int +static int dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, 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)}; + int vfio_dev_fd; if (obj_info->num_regions < NUM_DPIO_REGIONS) { PMD_INIT_LOG(ERR, "ERROR, Not sufficient number " @@ -334,80 +442,57 @@ dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev, return -1; } - if (!dpio_dev_list) { - dpio_dev_list = malloc(sizeof(struct dpio_device_list)); - if (!dpio_dev_list) { - PMD_INIT_LOG(ERR, "Memory alloc failed in DPIO list\n"); - return -1; - } - - /* Initialize the DPIO List */ - TAILQ_INIT(dpio_dev_list); - } - - dpio_dev = malloc(sizeof(struct dpaa2_dpio_dev)); + dpio_dev = rte_malloc(NULL, sizeof(struct dpaa2_dpio_dev), + RTE_CACHE_LINE_SIZE); if (!dpio_dev) { PMD_INIT_LOG(ERR, "Memory allocation failed for DPIO Device\n"); 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; + dpio_dev->intr_handle.vfio_dev_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)) { + vfio_dev_fd = dpio_dev->intr_handle.vfio_dev_fd; + if (ioctl(vfio_dev_fd, VFIO_DEVICE_GET_REGION_INFO, ®_info)) { PMD_INIT_LOG(ERR, "vfio: error getting region info\n"); - free(dpio_dev); + 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"); - free(dpio_dev); - return -1; - } + vfio_dev_fd, reg_info.offset); reg_info.index = 1; - if (ioctl(dpio_dev->vfio_fd, VFIO_DEVICE_GET_REGION_INFO, ®_info)) { + if (ioctl(vfio_dev_fd, VFIO_DEVICE_GET_REGION_INFO, ®_info)) { PMD_INIT_LOG(ERR, "vfio: error getting region info\n"); - free(dpio_dev); + 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); + vfio_dev_fd, reg_info.offset); if (configure_dpio_qbman_swp(dpio_dev)) { PMD_INIT_LOG(ERR, "Fail to configure the dpio qbman portal for %d\n", dpio_dev->hw_id); - free(dpio_dev); + rte_free(dpio_dev); return -1; } io_space_count++; dpio_dev->index = io_space_count; - TAILQ_INSERT_HEAD(dpio_dev_list, dpio_dev, next); + TAILQ_INSERT_TAIL(&dpio_dev_list, dpio_dev, next); + PMD_INIT_LOG(DEBUG, "DPAA2: Added [dpio.%d]", object_id); return 0; } @@ -437,9 +522,15 @@ 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 = { + .object_id = DPAA2_MC_DPIO_DEVID, + .create = dpaa2_create_dpio_device, +}; + +RTE_PMD_REGISTER_DPAA2_OBJECT(dpio, rte_dpaa2_dpio_obj); |