From: Jun Yang <jun.y...@nxp.com>
Remove unused GITS translator VFIO mapping.
Signed-off-by: Jun Yang <jun.y...@nxp.com>
---
drivers/bus/fslmc/fslmc_vfio.c | 50 ----------------------------------
1 file changed, 50 deletions(-)
diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index b0e7299bda..b48c7843d5 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -49,7 +49,6 @@
static struct fslmc_vfio_container s_vfio_container;
/* Currently we only support single group/process. */
static const char *fslmc_group; /* dprc.x*/
-static uint32_t *msi_intr_vaddr;
static void *(*rte_mcp_ptr_list);
struct fslmc_dmaseg {
@@ -765,49 +764,6 @@ vfio_connect_container(int vfio_container_fd,
return fslmc_vfio_connect_container(vfio_group_fd);
}
-static int vfio_map_irq_region(void)
-{
- int ret, fd;
- 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,
- };
- const char *group_name = fslmc_vfio_get_group_name();
-
- fd = fslmc_vfio_group_fd_by_name(group_name);
- if (fd <= 0) {
- DPAA2_BUS_ERR("%s: Get fd by name(%s) failed(%d)",
- __func__, group_name, fd);
- if (fd < 0)
- return fd;
- return -EIO;
- }
- if (!fslmc_vfio_container_connected(fd)) {
- DPAA2_BUS_ERR("Container is not connected");
- return -EIO;
- }
-
- vaddr = (unsigned long *)mmap(NULL, 0x1000, PROT_WRITE |
- PROT_READ, MAP_SHARED, fd, 0x6030000);
- if (vaddr == MAP_FAILED) {
- DPAA2_BUS_ERR("Unable to map region (errno = %d)", errno);
- return -ENOMEM;
- }
-
- msi_intr_vaddr = (uint32_t *)((char *)(vaddr) + 64);
- map.vaddr = (unsigned long)vaddr;
- ret = ioctl(fslmc_vfio_container_fd(), VFIO_IOMMU_MAP_DMA, &map);
- if (!ret)
- return 0;
-
- DPAA2_BUS_ERR("Unable to map DMA address (errno = %d)", errno);
- return ret;
-}
-
static int
fslmc_map_dma(uint64_t vaddr, rte_iova_t iovaddr, size_t len)
{
@@ -1229,12 +1185,6 @@ int rte_fslmc_vfio_dmamap(void)
DPAA2_BUS_DEBUG("Total %d segments found.", i);
- /* 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();
-
/* Existing segments have been mapped and memory callback for hotplug
* has been installed.
*/
--
2.25.1
