static struct fslmc_vfio_group vfio_groups[VFIO_MAX_GRP];
static struct fslmc_vfio_container vfio_containers[VFIO_MAX_CONTAINERS];
static int container_device_fd;
+static uint32_t *msi_intr_vaddr;
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 0;
}
+static int vfio_map_irq_region(struct fslmc_vfio_group *group)
+{
+ int ret;
+ unsigned long *vaddr = NULL;
+ struct vfio_iommu_type1_dma_map map = {
+ .argsz = sizeof(map),
+ .flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,
+ .vaddr = 0x6030000,
+ .iova = 0x6030000,
+ .size = 0x1000,
+ };
+
+ 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);
+ return -errno;
+ }
+
+ msi_intr_vaddr = (uint32_t *)((char *)(vaddr) + 64);
+ map.vaddr = (unsigned long)vaddr;
+ ret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA, &map);
+ if (ret == 0)
+ return 0;
+
+ FSLMC_VFIO_LOG(ERR, "VFIO_IOMMU_MAP_DMA fails (errno = %d)", errno);
+ return -errno;
+}
+
int vfio_dmamap_mem_region(uint64_t vaddr,
uint64_t iova,
uint64_t size)
return 0;
}
+int rte_fslmc_vfio_dmamap(void)
+{
+ int ret;
+ struct fslmc_vfio_group *group;
+ struct vfio_iommu_type1_dma_map dma_map = {
+ .argsz = sizeof(struct vfio_iommu_type1_dma_map),
+ .flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,
+ };
+
+ int i;
+ const struct rte_memseg *memseg;
+
+ if (is_dma_done)
+ return 0;
+
+ memseg = rte_eal_get_physmem_layout();
+ if (memseg == NULL) {
+ FSLMC_VFIO_LOG(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);
+ 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;
+#else
+ dma_map.iova = dma_map.vaddr;
+#endif
+
+ /* SET DMA MAP for IOMMU */
+ group = &vfio_groups[0];
+
+ if (!group->container) {
+ FSLMC_VFIO_LOG(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);
+ 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);
+ return ret;
+ }
+ }
+
+ /* 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
+ * the interrupt region to SMMU. This should be removed once the
+ * support is added in the Kernel.
+ */
+ vfio_map_irq_region(group);
+
+ is_dma_done = 1;
+
+ return 0;
+}
+
static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj)
{
int64_t v_addr = (int64_t)MAP_FAILED;
/* 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,
char path[PATH_MAX];
int64_t v_addr;
int ndev_count;
- int dpio_count = 0;
+ 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",
+ FSLMC_VFIO_LOG(DEBUG, "DPAA2: Added [%s-%d]",
object_type, object_id);
fslmc_bus_add_device(dev);
if (!ret)
dpio_count++;
}
+ if (!strcmp(object_type, "dpbp")) {
+ ret = dpaa2_create_dpbp_device(object_id);
+ if (!ret)
+ dpbp_count++;
+ }
}
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",
+ dpbp_count, dpio_count);
return 0;
FAILURE:
git.droids-corp.org / dpdk.git / blobdiff