* 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
#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>
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)
{
return -1;
}
+ if (dpaa2_dpio_intr_init(dpio_dev)) {
+ PMD_DRV_LOG(ERR, "Interrupt registration failed for dpio\n");
+ return -1;
+ }
+
return 0;
}
{
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 "
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");
rte_free(dpio_dev);
return -1;
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);
+ vfio_dev_fd, reg_info.offset);
/* Create Mapping for QBMan Cache Enabled area. This is a fix for
* SMMU fault for DQRR statshing transaction.
}
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");
rte_free(dpio_dev);
return -1;
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,
io_space_count++;
dpio_dev->index = io_space_count;
TAILQ_INSERT_TAIL(&dpio_dev_list, dpio_dev, next);
- PMD_INIT_LOG(DEBUG, "DPAA2: Added [dpio-%d]", object_id);
+ PMD_INIT_LOG(DEBUG, "DPAA2: Added [dpio.%d]", object_id);
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff