kni: fix ethtool support
[dpdk.git] / drivers / bus / fslmc / fslmc_vfio.c
index 8223e48..5d4ac67 100644 (file)
@@ -61,6 +61,9 @@
 #include "rte_fslmc.h"
 #include "fslmc_vfio.h"
 
+#include "portal/dpaa2_hw_pvt.h"
+#include "portal/dpaa2_hw_dpio.h"
+
 #define VFIO_MAX_CONTAINERS    1
 
 #define FSLMC_VFIO_LOG(level, fmt, args...) \
 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 int vfio_connect_container(struct fslmc_vfio_group *vfio_group)
 {
@@ -144,6 +149,35 @@ static int vfio_connect_container(struct fslmc_vfio_group *vfio_group)
        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)
@@ -167,6 +201,71 @@ int vfio_dmamap_mem_region(uint64_t vaddr,
        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;
+       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;
+               }
+
+               if (memseg[i].addr == NULL && memseg[i].len == 0)
+                       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\n", 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;
+               }
+               FSLMC_VFIO_LOG(DEBUG, "-----> dma_map.vaddr = 0x%llX",
+                            dma_map.vaddr);
+       }
+
+       /* 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);
+
+       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;
@@ -210,6 +309,48 @@ 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_MC_DPNI_DEVID ||
+                       dev->dev_type != DPAA2_MC_DPSECI_DEVID)
+               return -1;
+
+       if (dev->object_id == dev2->object_id)
+               return 0;
+       else
+               return 1;
+}
+
+static void
+fslmc_bus_add_device(struct rte_dpaa2_device *dev)
+{
+       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;
+
+               TAILQ_FOREACH(dev2, dev_l, next) {
+                       ret = dpaa2_compare_dpaa2_dev(dev, dev2);
+                       if (ret <= 0)
+                               continue;
+
+                       TAILQ_INSERT_BEFORE(dev2, dev, next);
+                       return;
+               }
+
+               TAILQ_INSERT_TAIL(dev_l, dev, next);
+       }
+}
+
 /* Following function shall fetch total available list of MC devices
  * from VFIO container & populate private list of devices and other
  * data structures
@@ -218,13 +359,14 @@ int fslmc_vfio_process_group(void)
 {
        struct fslmc_vfio_device *vdev;
        struct vfio_device_info device_info = { .argsz = sizeof(device_info) };
-       char *temp_obj, *object_type __rte_unused, *mcp_obj, *dev_name;
-       int32_t object_id, i, dev_fd;
+       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;
+       int dpio_count = 0, dpbp_count = 0;
        struct fslmc_vfio_group *group = &vfio_groups[0];
        static int process_once;
 
@@ -349,9 +491,46 @@ int fslmc_vfio_process_group(void)
                        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;
+
+                       dev = malloc(sizeof(struct rte_dpaa2_device));
+                       if (dev == NULL)
+                               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_MC_DPNI_DEVID : DPAA2_MC_DPSECI_DEVID;
+
+                       FSLMC_VFIO_LOG(DEBUG, "DPAA2: Added [%s-%d]\n",
+                                     object_type, object_id);
+
+                       fslmc_bus_add_device(dev);
+               }
+               if (!strcmp(object_type, "dpio")) {
+                       ret = dpaa2_create_dpio_device(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++;
+               }
        }
        closedir(d);
 
+       ret = dpaa2_affine_qbman_swp();
+       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: