X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Ffslmc%2Ffslmc_vfio.c;h=62499de05c97bea7d5965af1c4599b5cb5b5cf7f;hb=cf69b99171ed7f8ca083a8ae0b8a2131d2ae54f3;hp=f0d69a9dc84a5df8d14b3bd5758f44f8a868f6a4;hpb=10f1614f36a6be8f98c0c316a1292863a25e817f;p=dpdk.git diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c index f0d69a9dc8..62499de05c 100644 --- a/drivers/bus/fslmc/fslmc_vfio.c +++ b/drivers/bus/fslmc/fslmc_vfio.c @@ -1,34 +1,8 @@ -/*- - * BSD LICENSE +/* SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved. - * Copyright 2016 NXP. + * 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 @@ -46,8 +20,9 @@ #include #include +#include #include -#include +#include #include #include #include @@ -58,23 +33,24 @@ #include "rte_fslmc.h" #include "fslmc_vfio.h" +#include "fslmc_logs.h" +#include #include "portal/dpaa2_hw_pvt.h" #include "portal/dpaa2_hw_dpio.h" -#define FSLMC_VFIO_LOG(level, fmt, args...) \ - RTE_LOG(level, EAL, "%s(): " fmt "\n", __func__, ##args) - /** Pathname of FSL-MC devices directory. */ #define SYSFS_FSL_MC_DEVICES "/sys/bus/fsl-mc/devices" +#define FSLMC_CONTAINER_MAX_LEN 8 /**< Of the format dprc.XX */ + /* Number of VFIO containers & groups with in */ static struct fslmc_vfio_group vfio_group; static struct fslmc_vfio_container vfio_container; static int container_device_fd; +static char *g_container; static uint32_t *msi_intr_vaddr; void *(*rte_mcp_ptr_list); -static uint32_t mcp_id; static int is_dma_done; static struct rte_dpaa2_object_list dpaa2_obj_list = @@ -89,14 +65,58 @@ rte_fslmc_object_register(struct rte_dpaa2_object *object) TAILQ_INSERT_TAIL(&dpaa2_obj_list, object, next); } -static int vfio_connect_container(void) +int +fslmc_get_container_group(int *groupid) +{ + int ret; + char *container; + + if (!g_container) { + container = getenv("DPRC"); + if (container == NULL) { + DPAA2_BUS_INFO("DPAA2: DPRC not available"); + return -EINVAL; + } + + if (strlen(container) >= FSLMC_CONTAINER_MAX_LEN) { + DPAA2_BUS_ERR("Invalid container name: %s", container); + return -1; + } + + g_container = strdup(container); + if (!g_container) { + DPAA2_BUS_ERR("Mem alloc failure; Container name"); + return -ENOMEM; + } + } + + /* get group number */ + ret = vfio_get_group_no(SYSFS_FSL_MC_DEVICES, g_container, groupid); + if (ret <= 0) { + DPAA2_BUS_ERR("Unable to find %s IOMMU group", g_container); + return -1; + } + + DPAA2_BUS_DEBUG("Container: %s has VFIO iommu group id = %d", + g_container, *groupid); + + return 0; +} + +static int +vfio_connect_container(void) { int fd, ret; + if (vfio_container.used) { + DPAA2_BUS_DEBUG("No container available"); + return -1; + } + /* Try connecting to vfio container if already created */ if (!ioctl(vfio_group.fd, VFIO_GROUP_SET_CONTAINER, &vfio_container.fd)) { - FSLMC_VFIO_LOG(INFO, + DPAA2_BUS_DEBUG( "Container pre-exists with FD[0x%x] for this group", vfio_container.fd); vfio_group.container = &vfio_container; @@ -106,7 +126,7 @@ static int vfio_connect_container(void) /* Opens main vfio file descriptor which represents the "container" */ fd = vfio_get_container_fd(); if (fd < 0) { - FSLMC_VFIO_LOG(ERR, "Failed to open VFIO container"); + DPAA2_BUS_ERR("Failed to open VFIO container"); return -errno; } @@ -115,19 +135,19 @@ static int vfio_connect_container(void) /* Connect group to container */ ret = ioctl(vfio_group.fd, VFIO_GROUP_SET_CONTAINER, &fd); if (ret) { - FSLMC_VFIO_LOG(ERR, "Failed to setup group container"); + DPAA2_BUS_ERR("Failed to setup group container"); close(fd); return -errno; } ret = ioctl(fd, VFIO_SET_IOMMU, VFIO_TYPE1_IOMMU); if (ret) { - FSLMC_VFIO_LOG(ERR, "Failed to setup VFIO iommu"); + DPAA2_BUS_ERR("Failed to setup VFIO iommu"); close(fd); return -errno; } } else { - FSLMC_VFIO_LOG(ERR, "No supported IOMMU available"); + DPAA2_BUS_ERR("No supported IOMMU available"); close(fd); return -EINVAL; } @@ -155,7 +175,7 @@ static int vfio_map_irq_region(struct fslmc_vfio_group *group) vaddr = (unsigned long *)mmap(NULL, 0x1000, PROT_WRITE | PROT_READ, MAP_SHARED, container_device_fd, 0x6030000); if (vaddr == MAP_FAILED) { - FSLMC_VFIO_LOG(ERR, "Unable to map region (errno = %d)", errno); + DPAA2_BUS_ERR("Unable to map region (errno = %d)", errno); return -errno; } @@ -165,7 +185,7 @@ static int vfio_map_irq_region(struct fslmc_vfio_group *group) if (ret == 0) return 0; - FSLMC_VFIO_LOG(ERR, "VFIO_IOMMU_MAP_DMA fails (errno = %d)", errno); + DPAA2_BUS_ERR("Unable to map DMA address (errno = %d)", errno); return -errno; } @@ -186,20 +206,23 @@ int rte_fslmc_vfio_dmamap(void) memseg = rte_eal_get_physmem_layout(); if (memseg == NULL) { - FSLMC_VFIO_LOG(ERR, "Cannot get physical layout."); + DPAA2_BUS_ERR("Cannot get physical layout"); return -ENODEV; } for (i = 0; i < RTE_MAX_MEMSEG; i++) { if (memseg[i].addr == NULL && memseg[i].len == 0) { - FSLMC_VFIO_LOG(DEBUG, "Total %d segments found.", i); + DPAA2_BUS_DEBUG("Total %d segments found", i); break; } dma_map.size = memseg[i].len; dma_map.vaddr = memseg[i].addr_64; #ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA - dma_map.iova = memseg[i].phys_addr; + if (rte_eal_iova_mode() == RTE_IOVA_VA) + dma_map.iova = dma_map.vaddr; + else + dma_map.iova = memseg[i].iova; #else dma_map.iova = dma_map.vaddr; #endif @@ -208,25 +231,25 @@ int rte_fslmc_vfio_dmamap(void) group = &vfio_group; if (!group->container) { - FSLMC_VFIO_LOG(ERR, "Container is not connected "); + DPAA2_BUS_ERR("Container is not connected"); return -1; } - FSLMC_VFIO_LOG(DEBUG, "-->Initial SHM Virtual ADDR %llX", - dma_map.vaddr); - FSLMC_VFIO_LOG(DEBUG, "-----> DMA size 0x%llX", dma_map.size); + DPAA2_BUS_DEBUG("-->Initial SHM Virtual ADDR %llX", + dma_map.vaddr); + DPAA2_BUS_DEBUG("-----> DMA size 0x%llX", dma_map.size); ret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA, &dma_map); if (ret) { - FSLMC_VFIO_LOG(ERR, "VFIO_IOMMU_MAP_DMA API(errno = %d)", - errno); + DPAA2_BUS_ERR("Unable to map DMA address (errno = %d)", + errno); return ret; } } /* Verifying that at least single segment is available */ if (i <= 0) { - FSLMC_VFIO_LOG(ERR, "No Segments found for VFIO Mapping"); + DPAA2_BUS_ERR("No Segments found for VFIO Mapping"); return -1; } @@ -243,7 +266,7 @@ int rte_fslmc_vfio_dmamap(void) static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj) { - int64_t v_addr = (int64_t)MAP_FAILED; + intptr_t v_addr = (intptr_t)MAP_FAILED; int32_t ret, mc_fd; struct vfio_device_info d_info = { .argsz = sizeof(d_info) }; @@ -252,29 +275,29 @@ static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj) /* getting the mcp object's fd*/ mc_fd = ioctl(group->fd, VFIO_GROUP_GET_DEVICE_FD, mcp_obj); if (mc_fd < 0) { - FSLMC_VFIO_LOG(ERR, "error in VFIO get dev %s fd from group %d", - mcp_obj, group->fd); + DPAA2_BUS_ERR("Error in VFIO get dev %s fd from group %d", + mcp_obj, group->fd); return v_addr; } /* getting device info*/ ret = ioctl(mc_fd, VFIO_DEVICE_GET_INFO, &d_info); if (ret < 0) { - FSLMC_VFIO_LOG(ERR, "error in VFIO getting DEVICE_INFO"); + DPAA2_BUS_ERR("Error in VFIO getting DEVICE_INFO"); goto MC_FAILURE; } /* getting device region info*/ ret = ioctl(mc_fd, VFIO_DEVICE_GET_REGION_INFO, ®_info); if (ret < 0) { - FSLMC_VFIO_LOG(ERR, "error in VFIO getting REGION_INFO"); + DPAA2_BUS_ERR("Error in VFIO getting REGION_INFO"); goto MC_FAILURE; } - FSLMC_VFIO_LOG(DEBUG, "region offset = %llx , region size = %llx", - reg_info.offset, reg_info.size); + DPAA2_BUS_DEBUG("Region offset = %llx , region size = %llx", + reg_info.offset, reg_info.size); - v_addr = (uint64_t)mmap(NULL, reg_info.size, + v_addr = (size_t)mmap(NULL, reg_info.size, PROT_WRITE | PROT_READ, MAP_SHARED, mc_fd, reg_info.offset); @@ -284,359 +307,368 @@ MC_FAILURE: return v_addr; } -static inline int -dpaa2_compare_dpaa2_dev(const struct rte_dpaa2_device *dev, - const struct rte_dpaa2_device *dev2) -{ - /*not the same family device */ - if (dev->dev_type != DPAA2_ETH || - dev->dev_type != DPAA2_CRYPTO) - return -1; - - if (dev->object_id == dev2->object_id) - return 0; - else - return 1; -} +#define IRQ_SET_BUF_LEN (sizeof(struct vfio_irq_set) + sizeof(int)) -static void -fslmc_bus_add_device(struct rte_dpaa2_device *dev) +int rte_dpaa2_intr_enable(struct rte_intr_handle *intr_handle, int index) { - struct rte_fslmc_device_list *dev_l; - - dev_l = &rte_fslmc_bus.device_list; - - /* device is valid, add in list (sorted) */ - if (TAILQ_EMPTY(dev_l)) { - TAILQ_INSERT_TAIL(dev_l, dev, next); - } else { - struct rte_dpaa2_device *dev2; - int ret; + int len, ret; + char irq_set_buf[IRQ_SET_BUF_LEN]; + struct vfio_irq_set *irq_set; + int *fd_ptr; - TAILQ_FOREACH(dev2, dev_l, next) { - ret = dpaa2_compare_dpaa2_dev(dev, dev2); - if (ret <= 0) - continue; + len = sizeof(irq_set_buf); - TAILQ_INSERT_BEFORE(dev2, dev, next); - return; - } + irq_set = (struct vfio_irq_set *)irq_set_buf; + irq_set->argsz = len; + irq_set->count = 1; + irq_set->flags = + VFIO_IRQ_SET_DATA_EVENTFD | VFIO_IRQ_SET_ACTION_TRIGGER; + irq_set->index = index; + irq_set->start = 0; + fd_ptr = (int *)&irq_set->data; + *fd_ptr = intr_handle->fd; - TAILQ_INSERT_TAIL(dev_l, dev, next); + ret = ioctl(intr_handle->vfio_dev_fd, VFIO_DEVICE_SET_IRQS, irq_set); + if (ret) { + DPAA2_BUS_ERR("Error:dpaa2 SET IRQs fd=%d, err = %d(%s)", + intr_handle->fd, errno, strerror(errno)); + return ret; } -} -#define IRQ_SET_BUF_LEN (sizeof(struct vfio_irq_set) + sizeof(int)) + return ret; +} -int rte_dpaa2_intr_enable(struct rte_intr_handle *intr_handle, - uint32_t index) +int rte_dpaa2_intr_disable(struct rte_intr_handle *intr_handle, int index) { struct vfio_irq_set *irq_set; char irq_set_buf[IRQ_SET_BUF_LEN]; - int *fd_ptr, fd, ret; + int len, ret; + + len = sizeof(struct vfio_irq_set); - /* Prepare vfio_irq_set structure and SET the IRQ in VFIO */ - /* Give the eventfd to VFIO */ - fd = eventfd(0, 0); irq_set = (struct vfio_irq_set *)irq_set_buf; - irq_set->argsz = sizeof(irq_set_buf); - irq_set->count = 1; - irq_set->flags = VFIO_IRQ_SET_DATA_EVENTFD | - VFIO_IRQ_SET_ACTION_TRIGGER; + irq_set->argsz = len; + irq_set->flags = VFIO_IRQ_SET_DATA_NONE | VFIO_IRQ_SET_ACTION_TRIGGER; irq_set->index = index; irq_set->start = 0; - fd_ptr = (int *)&irq_set->data; - *fd_ptr = fd; + irq_set->count = 0; ret = ioctl(intr_handle->vfio_dev_fd, VFIO_DEVICE_SET_IRQS, irq_set); - if (ret < 0) { - FSLMC_VFIO_LOG(ERR, "Unable to set IRQ in VFIO, ret: %d\n", - ret); - return -1; + if (ret) + DPAA2_BUS_ERR( + "Error disabling dpaa2 interrupts for fd %d", + intr_handle->fd); + + return ret; +} + +/* set up interrupt support (but not enable interrupts) */ +int +rte_dpaa2_vfio_setup_intr(struct rte_intr_handle *intr_handle, + int vfio_dev_fd, + int num_irqs) +{ + int i, ret; + + /* start from MSI-X interrupt type */ + for (i = 0; i < num_irqs; i++) { + struct vfio_irq_info irq_info = { .argsz = sizeof(irq_info) }; + int fd = -1; + + irq_info.index = i; + + ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_IRQ_INFO, &irq_info); + if (ret < 0) { + DPAA2_BUS_ERR("Cannot get IRQ(%d) info, error %i (%s)", + i, errno, strerror(errno)); + return -1; + } + + /* if this vector cannot be used with eventfd, + * fail if we explicitly + * specified interrupt type, otherwise continue + */ + if ((irq_info.flags & VFIO_IRQ_INFO_EVENTFD) == 0) + continue; + + /* set up an eventfd for interrupts */ + fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); + if (fd < 0) { + DPAA2_BUS_ERR("Cannot set up eventfd, error %i (%s)", + errno, strerror(errno)); + return -1; + } + + intr_handle->fd = fd; + intr_handle->type = RTE_INTR_HANDLE_VFIO_MSI; + intr_handle->vfio_dev_fd = vfio_dev_fd; + + return 0; } - /* Set the FD and update the flags */ - intr_handle->fd = fd; - return 0; + /* if we're here, we haven't found a suitable interrupt vector */ + return -1; } -/* Following function shall fetch total available list of MC devices - * from VFIO container & populate private list of devices and other - * data structures +/* + * fslmc_process_iodevices for processing only IO (ETH, CRYPTO, and possibly + * EVENT) devices. */ -int fslmc_vfio_process_group(void) +static int +fslmc_process_iodevices(struct rte_dpaa2_device *dev) { - struct fslmc_vfio_device *vdev; + int dev_fd; struct vfio_device_info device_info = { .argsz = sizeof(device_info) }; - char *temp_obj, *object_type, *mcp_obj, *dev_name; - int32_t object_id, i, dev_fd, ret; - DIR *d; - struct dirent *dir; - char path[PATH_MAX]; - int64_t v_addr; - int ndev_count; - struct fslmc_vfio_group *group = &vfio_group; - static int process_once; + struct rte_dpaa2_object *object = NULL; - /* if already done once */ - if (process_once) { - FSLMC_VFIO_LOG(DEBUG, - "Already scanned once - re-scan not supported"); - return 0; + dev_fd = ioctl(vfio_group.fd, VFIO_GROUP_GET_DEVICE_FD, + dev->device.name); + if (dev_fd <= 0) { + DPAA2_BUS_ERR("Unable to obtain device FD for device:%s", + dev->device.name); + return -1; } - process_once = 0; - - sprintf(path, "/sys/kernel/iommu_groups/%d/devices", group->groupid); - d = opendir(path); - if (!d) { - FSLMC_VFIO_LOG(ERR, "Unable to open directory %s", path); + if (ioctl(dev_fd, VFIO_DEVICE_GET_INFO, &device_info)) { + DPAA2_BUS_ERR("Unable to obtain information for device:%s", + dev->device.name); return -1; } - /*Counting the number of devices in a group and getting the mcp ID*/ - ndev_count = 0; - mcp_obj = NULL; - while ((dir = readdir(d)) != NULL) { - if (dir->d_type == DT_LNK) { - ndev_count++; - if (!strncmp("dpmcp", dir->d_name, 5)) { - if (mcp_obj) - free(mcp_obj); - mcp_obj = malloc(sizeof(dir->d_name)); - if (!mcp_obj) { - FSLMC_VFIO_LOG(ERR, - "mcp obj:alloc failed"); - closedir(d); - return -ENOMEM; - } - strcpy(mcp_obj, dir->d_name); - temp_obj = strtok(dir->d_name, "."); - temp_obj = strtok(NULL, "."); - sscanf(temp_obj, "%d", &mcp_id); - } + switch (dev->dev_type) { + case DPAA2_ETH: + rte_dpaa2_vfio_setup_intr(&dev->intr_handle, dev_fd, + device_info.num_irqs); + break; + case DPAA2_CON: + case DPAA2_IO: + case DPAA2_CI: + case DPAA2_BPOOL: + TAILQ_FOREACH(object, &dpaa2_obj_list, next) { + if (dev->dev_type == object->dev_type) + object->create(dev_fd, &device_info, + dev->object_id); + else + continue; } + break; + default: + break; } - closedir(d); - d = NULL; - if (!mcp_obj) { - FSLMC_VFIO_LOG(ERR, "DPAA2 MCP Object not Found"); - return -ENODEV; - } - RTE_LOG(INFO, EAL, "fslmc: DPRC contains = %d devices\n", ndev_count); - - /* Allocate the memory depends upon number of objects in a group*/ - group->vfio_device = (struct fslmc_vfio_device *)malloc(ndev_count * - sizeof(struct fslmc_vfio_device)); - if (!(group->vfio_device)) { - FSLMC_VFIO_LOG(ERR, "vfio device: Unable to allocate memory\n"); - free(mcp_obj); - return -ENOMEM; - } - /* Allocate memory for MC Portal list */ + DPAA2_BUS_DEBUG("Device (%s) abstracted from VFIO", + dev->device.name); + return 0; +} + +static int +fslmc_process_mcp(struct rte_dpaa2_device *dev) +{ + intptr_t v_addr; + char *dev_name; + struct fsl_mc_io dpmng = {0}; + struct mc_version mc_ver_info = {0}; + rte_mcp_ptr_list = malloc(sizeof(void *) * 1); if (!rte_mcp_ptr_list) { - FSLMC_VFIO_LOG(ERR, "portal list: Unable to allocate memory!"); - free(mcp_obj); - goto FAILURE; + DPAA2_BUS_ERR("Unable to allocate MC portal memory"); + return -ENOMEM; } - v_addr = vfio_map_mcp_obj(group, mcp_obj); - free(mcp_obj); - if (v_addr == (int64_t)MAP_FAILED) { - FSLMC_VFIO_LOG(ERR, "Error mapping region (errno = %d)", errno); - goto FAILURE; + dev_name = strdup(dev->device.name); + if (!dev_name) { + DPAA2_BUS_ERR("Unable to allocate MC device name memory"); + free(rte_mcp_ptr_list); + rte_mcp_ptr_list = NULL; + return -ENOMEM; } - rte_mcp_ptr_list[0] = (void *)v_addr; + v_addr = vfio_map_mcp_obj(&vfio_group, dev_name); + if (v_addr == (intptr_t)MAP_FAILED) { + DPAA2_BUS_ERR("Error mapping region (errno = %d)", errno); + free(rte_mcp_ptr_list); + rte_mcp_ptr_list = NULL; + return -1; + } - d = opendir(path); - if (!d) { - FSLMC_VFIO_LOG(ERR, "Unable to open %s Directory", path); - goto FAILURE; + /* check the MC version compatibility */ + dpmng.regs = (void *)v_addr; + if (mc_get_version(&dpmng, CMD_PRI_LOW, &mc_ver_info)) { + DPAA2_BUS_ERR("Unable to obtain MC version"); + return -1; } - i = 0; - /* Parsing each object and initiating them*/ - while ((dir = readdir(d)) != NULL) { - if (dir->d_type != DT_LNK) - continue; - if (!strncmp("dprc", dir->d_name, 4) || - !strncmp("dpmcp", dir->d_name, 5)) - continue; - dev_name = malloc(sizeof(dir->d_name)); - if (!dev_name) { - FSLMC_VFIO_LOG(ERR, "name: Unable to allocate memory"); - goto FAILURE; - } - strcpy(dev_name, dir->d_name); - object_type = strtok(dir->d_name, "."); - temp_obj = strtok(NULL, "."); - sscanf(temp_obj, "%d", &object_id); - - /* getting the device fd*/ - dev_fd = ioctl(group->fd, VFIO_GROUP_GET_DEVICE_FD, dev_name); - if (dev_fd < 0) { - FSLMC_VFIO_LOG(ERR, - "GET_DEVICE_FD error fd: %s, Group: %d", - dev_name, group->fd); - free(dev_name); - goto FAILURE; - } + if ((mc_ver_info.major != MC_VER_MAJOR) || + (mc_ver_info.minor < MC_VER_MINOR)) { + DPAA2_BUS_ERR("DPAA2 MC version not compatible!" + " Expected %d.%d.x, Detected %d.%d.%d", + MC_VER_MAJOR, MC_VER_MINOR, + mc_ver_info.major, mc_ver_info.minor, + mc_ver_info.revision); + free(rte_mcp_ptr_list); + rte_mcp_ptr_list = NULL; + return -1; + } + rte_mcp_ptr_list[0] = (void *)v_addr; - free(dev_name); - vdev = &group->vfio_device[group->object_index++]; - vdev->fd = dev_fd; - vdev->index = i; - i++; - /* Get Device inofrmation */ - if (ioctl(vdev->fd, VFIO_DEVICE_GET_INFO, &device_info)) { - FSLMC_VFIO_LOG(ERR, "DPAA2 VFIO_DEVICE_GET_INFO fail"); - goto FAILURE; - } - if (!strcmp(object_type, "dpni") || - !strcmp(object_type, "dpseci")) { - struct rte_dpaa2_device *dev; + return 0; +} - dev = malloc(sizeof(struct rte_dpaa2_device)); - if (dev == NULL) +int +fslmc_vfio_process_group(void) +{ + int ret; + int found_mportal = 0; + struct rte_dpaa2_device *dev, *dev_temp; + + /* Search the MCP as that should be initialized first. */ + TAILQ_FOREACH_SAFE(dev, &rte_fslmc_bus.device_list, next, dev_temp) { + if (dev->dev_type == DPAA2_MPORTAL) { + ret = fslmc_process_mcp(dev); + if (ret) { + DPAA2_BUS_ERR("Unable to map MC Portal"); return -1; - - memset(dev, 0, sizeof(*dev)); - /* store hw_id of dpni/dpseci device */ - dev->object_id = object_id; - dev->dev_type = (strcmp(object_type, "dpseci")) ? - DPAA2_ETH : DPAA2_CRYPTO; - - sprintf(dev->name, "%s.%d", object_type, object_id); - dev->device.name = dev->name; - - fslmc_bus_add_device(dev); - FSLMC_VFIO_LOG(DEBUG, "DPAA2: Added %s", dev->name); - } else { - /* Parse all other objects */ - struct rte_dpaa2_object *object; - - TAILQ_FOREACH(object, &dpaa2_obj_list, next) { - if (!strcmp(object_type, object->name)) - object->create(dev_fd, &device_info, - object_id); - else - continue; } + if (!found_mportal) + found_mportal = 1; + + TAILQ_REMOVE(&rte_fslmc_bus.device_list, dev, next); + free(dev); + dev = NULL; + /* Ideally there is only a single dpmcp, but in case + * multiple exists, looping on remaining devices. + */ } } - closedir(d); - ret = dpaa2_affine_qbman_swp(); - if (ret) - FSLMC_VFIO_LOG(DEBUG, "Error in affining qbman swp %d", ret); + /* Cannot continue if there is not even a single mportal */ + if (!found_mportal) { + DPAA2_BUS_ERR("No MC Portal device found. Not continuing"); + return -1; + } - return 0; + TAILQ_FOREACH_SAFE(dev, &rte_fslmc_bus.device_list, next, dev_temp) { + if (!dev) + break; -FAILURE: - if (d) - closedir(d); - if (rte_mcp_ptr_list) { - free(rte_mcp_ptr_list); - rte_mcp_ptr_list = NULL; + switch (dev->dev_type) { + case DPAA2_ETH: + case DPAA2_CRYPTO: + ret = fslmc_process_iodevices(dev); + if (ret) { + DPAA2_BUS_DEBUG("Dev (%s) init failed", + dev->device.name); + return ret; + } + break; + case DPAA2_CON: + case DPAA2_IO: + case DPAA2_CI: + case DPAA2_BPOOL: + /* Call the object creation routine and remove the + * device entry from device list + */ + ret = fslmc_process_iodevices(dev); + if (ret) { + DPAA2_BUS_DEBUG("Dev (%s) init failed", + dev->device.name); + return -1; + } + + /* This device is not required to be in the DPDK + * exposed device list. + */ + TAILQ_REMOVE(&rte_fslmc_bus.device_list, dev, next); + free(dev); + dev = NULL; + break; + case DPAA2_UNKNOWN: + default: + /* Unknown - ignore */ + DPAA2_BUS_DEBUG("Found unknown device (%s)", + dev->device.name); + TAILQ_REMOVE(&rte_fslmc_bus.device_list, dev, next); + free(dev); + dev = NULL; + } } - free(group->vfio_device); - group->vfio_device = NULL; - return -1; + return 0; } -int fslmc_vfio_setup_group(void) +int +fslmc_vfio_setup_group(void) { - struct fslmc_vfio_group *group = NULL; int groupid; int ret; - char *container; struct vfio_group_status status = { .argsz = sizeof(status) }; /* if already done once */ if (container_device_fd) return 0; - container = getenv("DPRC"); - - if (container == NULL) { - FSLMC_VFIO_LOG(ERR, "VFIO container not set in env DPRC"); - return -EOPNOTSUPP; - } - - /* get group number */ - ret = vfio_get_group_no(SYSFS_FSL_MC_DEVICES, container, &groupid); - if (ret == 0) { - RTE_LOG(WARNING, EAL, "%s not managed by VFIO, skipping\n", - container); - return -EOPNOTSUPP; - } - - /* if negative, something failed */ - if (ret < 0) + ret = fslmc_get_container_group(&groupid); + if (ret) return ret; - FSLMC_VFIO_LOG(DEBUG, "VFIO iommu group id = %d", groupid); - - /* Check if group already exists */ - group = &vfio_group; - if (group->groupid == groupid) { - FSLMC_VFIO_LOG(ERR, "groupid already exists %d", - groupid); + /* In case this group was already opened, continue without any + * processing. + */ + if (vfio_group.groupid == groupid) { + DPAA2_BUS_ERR("groupid already exists %d", groupid); return 0; } - /* get the actual group fd */ + /* Get the actual group fd */ ret = vfio_get_group_fd(groupid); if (ret < 0) return ret; - group->fd = ret; - - /* - * at this point, we know that this group is viable (meaning, - * all devices are either bound to VFIO or not bound to anything) - */ + vfio_group.fd = ret; - ret = ioctl(group->fd, VFIO_GROUP_GET_STATUS, &status); + /* Check group viability */ + ret = ioctl(vfio_group.fd, VFIO_GROUP_GET_STATUS, &status); if (ret) { - FSLMC_VFIO_LOG(ERR, " VFIO error getting group status"); - close(group->fd); + DPAA2_BUS_ERR("VFIO error getting group status"); + close(vfio_group.fd); + rte_vfio_clear_group(vfio_group.fd); return ret; } if (!(status.flags & VFIO_GROUP_FLAGS_VIABLE)) { - FSLMC_VFIO_LOG(ERR, "VFIO group not viable"); - close(group->fd); + DPAA2_BUS_ERR("VFIO group not viable"); + close(vfio_group.fd); + rte_vfio_clear_group(vfio_group.fd); return -EPERM; } /* Since Group is VIABLE, Store the groupid */ - group->groupid = groupid; + vfio_group.groupid = groupid; /* check if group does not have a container yet */ if (!(status.flags & VFIO_GROUP_FLAGS_CONTAINER_SET)) { /* Now connect this IOMMU group to given container */ ret = vfio_connect_container(); if (ret) { - FSLMC_VFIO_LOG(ERR, "VFIO error connecting container" - " with groupid %d", groupid); - close(group->fd); + DPAA2_BUS_ERR( + "Error connecting container with groupid %d", + groupid); + close(vfio_group.fd); + rte_vfio_clear_group(vfio_group.fd); return ret; } } /* Get Device information */ - ret = ioctl(group->fd, VFIO_GROUP_GET_DEVICE_FD, container); + ret = ioctl(vfio_group.fd, VFIO_GROUP_GET_DEVICE_FD, g_container); if (ret < 0) { - FSLMC_VFIO_LOG(ERR, "VFIO error getting device %s fd from" - " group %d", container, group->groupid); + DPAA2_BUS_ERR("Error getting device %s fd from group %d", + g_container, vfio_group.groupid); + close(vfio_group.fd); + rte_vfio_clear_group(vfio_group.fd); return ret; } container_device_fd = ret; - FSLMC_VFIO_LOG(DEBUG, "VFIO Container FD is [0x%X]", - container_device_fd); + DPAA2_BUS_DEBUG("VFIO Container FD is [0x%X]", + container_device_fd); return 0; }