* BSD LICENSE
*
* Copyright (c) 2015-2016 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 <errno.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
-#include <sys/types.h>
#include <sys/mman.h>
#include <sys/vfs.h>
#include <libgen.h>
#include <rte_cycles.h>
#include <rte_kvargs.h>
#include <rte_dev.h>
-#include <rte_ethdev.h>
#include <rte_bus.h>
#include "rte_fslmc.h"
void *(*rte_mcp_ptr_list);
static uint32_t mcp_id;
static int is_dma_done;
+static struct rte_fslmc_object_list fslmc_obj_list =
+ TAILQ_HEAD_INITIALIZER(fslmc_obj_list);
+
+/*register a fslmc bus based dpaa2 driver */
+void
+rte_fslmc_object_register(struct rte_dpaa2_object *object)
+{
+ RTE_VERIFY(object);
+
+ TAILQ_INSERT_TAIL(&fslmc_obj_list, object, next);
+}
static int vfio_connect_container(struct fslmc_vfio_group *vfio_group)
{
container = &vfio_containers[i];
if (!ioctl(vfio_group->fd, VFIO_GROUP_SET_CONTAINER,
&container->fd)) {
- FSLMC_VFIO_LOG(INFO, "Container pre-exists with"
- " FD[0x%x] for this group",
- container->fd);
+ FSLMC_VFIO_LOG(INFO,
+ "Container pre-exists with FD[0x%x] for this group",
+ container->fd);
vfio_group->container = container;
return 0;
}
for (i = 0; i < VFIO_MAX_CONTAINERS; i++) {
if (vfio_containers[i].used)
continue;
- FSLMC_VFIO_LOG(DEBUG, "Unused container at index %d", i);
container = &vfio_containers[i];
}
if (!container) {
return -errno;
}
-int vfio_dmamap_mem_region(uint64_t vaddr,
- uint64_t iova,
- uint64_t size)
-{
- struct fslmc_vfio_group *group;
- struct vfio_iommu_type1_dma_map dma_map = {
- .argsz = sizeof(dma_map),
- .flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,
- };
-
- dma_map.vaddr = vaddr;
- dma_map.size = size;
- dma_map.iova = iova;
-
- /* SET DMA MAP for IOMMU */
- group = &vfio_groups[0];
- if (ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA, &dma_map)) {
- FSLMC_VFIO_LOG(ERR, "VFIO_IOMMU_MAP_DMA (errno = %d)", errno);
- return -1;
- }
- return 0;
-}
-
int rte_fslmc_vfio_dmamap(void)
{
int ret;
if (is_dma_done)
return 0;
- is_dma_done = 1;
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- memseg = rte_eal_get_physmem_layout();
- if (memseg == NULL) {
- FSLMC_VFIO_LOG(ERR, "Cannot get physical layout.");
- return -ENODEV;
- }
+ memseg = rte_eal_get_physmem_layout();
+ if (memseg == NULL) {
+ FSLMC_VFIO_LOG(ERR, "Cannot get physical layout.");
+ return -ENODEV;
+ }
- if (memseg[i].addr == NULL && memseg[i].len == 0)
+ 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);
break;
+ }
dma_map.size = memseg[i].len;
dma_map.vaddr = memseg[i].addr_64;
FSLMC_VFIO_LOG(DEBUG, "-->Initial SHM Virtual ADDR %llX",
dma_map.vaddr);
- FSLMC_VFIO_LOG(DEBUG, "-----> DMA size 0x%llX\n", dma_map.size);
+ FSLMC_VFIO_LOG(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);
+ FSLMC_VFIO_LOG(ERR, "VFIO_IOMMU_MAP_DMA API(errno = %d)",
+ errno);
return ret;
}
- FSLMC_VFIO_LOG(DEBUG, "-----> dma_map.vaddr = 0x%llX",
- dma_map.vaddr);
+ }
+
+ /* Verifying that at least single segment is available */
+ if (i <= 0) {
+ FSLMC_VFIO_LOG(ERR, "No Segments found for VFIO Mapping");
+ return -1;
}
/* TODO - This is a W.A. as VFIO currently does not add the mapping of
*/
vfio_map_irq_region(group);
+ is_dma_done = 1;
+
return 0;
}
/* 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 device %s fd from group"
- " %d", mcp_obj, group->fd);
+ FSLMC_VFIO_LOG(ERR, "error in VFIO get dev %s fd from group %d",
+ mcp_obj, group->fd);
return v_addr;
}
}
FSLMC_VFIO_LOG(DEBUG, "region offset = %llx , region size = %llx",
- reg_info.offset, reg_info.size);
+ reg_info.offset, reg_info.size);
v_addr = (uint64_t)mmap(NULL, reg_info.size,
PROT_WRITE | PROT_READ, MAP_SHARED,
}
}
+#define IRQ_SET_BUF_LEN (sizeof(struct vfio_irq_set) + sizeof(int))
+
+int rte_dpaa2_intr_enable(struct rte_intr_handle *intr_handle,
+ uint32_t index)
+{
+ struct vfio_irq_set *irq_set;
+ char irq_set_buf[IRQ_SET_BUF_LEN];
+ int *fd_ptr, fd, ret;
+
+ /* 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->index = index;
+ irq_set->start = 0;
+ fd_ptr = (int *)&irq_set->data;
+ *fd_ptr = fd;
+
+ 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;
+ }
+
+ /* Set the FD and update the flags */
+ intr_handle->fd = fd;
+ return 0;
+}
+
/* Following function shall fetch total available list of MC devices
* from VFIO container & populate private list of devices and other
* data structures
char path[PATH_MAX];
int64_t v_addr;
int ndev_count;
- int dpio_count = 0, dpbp_count = 0;
struct fslmc_vfio_group *group = &vfio_groups[0];
static int process_once;
/* if already done once */
if (process_once) {
- FSLMC_VFIO_LOG(DEBUG, "Already scanned once - re-scan "
- "not supported");
+ FSLMC_VFIO_LOG(DEBUG,
+ "Already scanned once - re-scan not supported");
return 0;
}
process_once = 0;
free(mcp_obj);
mcp_obj = malloc(sizeof(dir->d_name));
if (!mcp_obj) {
- FSLMC_VFIO_LOG(ERR, "mcp obj:Unable to"
- " allocate memory");
+ FSLMC_VFIO_LOG(ERR,
+ "mcp obj:alloc failed");
closedir(d);
return -ENOMEM;
}
goto FAILURE;
}
- FSLMC_VFIO_LOG(DEBUG, "DPAA2 MC has VIR_ADD = %ld", v_addr);
-
rte_mcp_ptr_list[0] = (void *)v_addr;
d = opendir(path);
}
i = 0;
- FSLMC_VFIO_LOG(DEBUG, "DPAA2 - Parsing devices:");
/* Parsing each object and initiating them*/
while ((dir = readdir(d)) != NULL) {
if (dir->d_type != DT_LNK)
object_type = strtok(dir->d_name, ".");
temp_obj = strtok(NULL, ".");
sscanf(temp_obj, "%d", &object_id);
- FSLMC_VFIO_LOG(DEBUG, " - %s ", dev_name);
/* getting the device fd*/
dev_fd = ioctl(group->fd, VFIO_GROUP_GET_DEVICE_FD, dev_name);
if (dev_fd < 0) {
- FSLMC_VFIO_LOG(ERR, "VFIO_GROUP_GET_DEVICE_FD error"
- " Device fd: %s, Group: %d",
- dev_name, group->fd);
+ FSLMC_VFIO_LOG(ERR,
+ "GET_DEVICE_FD error fd: %s, Group: %d",
+ dev_name, group->fd);
free(dev_name);
goto FAILURE;
}
dev->dev_type = (strcmp(object_type, "dpseci")) ?
DPAA2_MC_DPNI_DEVID : DPAA2_MC_DPSECI_DEVID;
- FSLMC_VFIO_LOG(DEBUG, "DPAA2: Added [%s-%d]\n",
- object_type, object_id);
+ sprintf(dev->name, "%s.%d", object_type, object_id);
+ dev->device.name = dev->name;
fslmc_bus_add_device(dev);
- }
- if (!strcmp(object_type, "dpio")) {
- ret = dpaa2_create_dpio_device(vdev,
- &device_info,
+ FSLMC_VFIO_LOG(DEBUG, "DPAA2: Added %s", dev->name);
+ } else {
+ /* Parse all other objects */
+ struct rte_dpaa2_object *object;
+
+ TAILQ_FOREACH(object, &fslmc_obj_list, next) {
+ if (!strcmp(object_type, object->name))
+ object->create(vdev, &device_info,
object_id);
- if (!ret)
- dpio_count++;
- }
- if (!strcmp(object_type, "dpbp")) {
- ret = dpaa2_create_dpbp_device(object_id);
- if (!ret)
- dpbp_count++;
+ else
+ continue;
+ }
}
}
closedir(d);
if (ret)
FSLMC_VFIO_LOG(DEBUG, "Error in affining qbman swp %d", ret);
- FSLMC_VFIO_LOG(DEBUG, "DPAA2: Added dpbp_count = %d dpio_count=%d\n",
- dpbp_count, dpio_count);
return 0;
FAILURE:
Code Review / deb_dpdk.git / blobdiff