diff options
Diffstat (limited to 'src/vlib/linux/pci.c')
| -rw-r--r-- | src/vlib/linux/pci.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/vlib/linux/pci.c b/src/vlib/linux/pci.c index b55fb5042f7..0e2241b0e58 100644 --- a/src/vlib/linux/pci.c +++ b/src/vlib/linux/pci.c @@ -951,6 +951,21 @@ add_device_vfio (vlib_main_t * vm, linux_pci_device_t * p, linux_pci_vfio_unmask_intx (vm, p); } + if (p->supports_va_dma) + { + vlib_buffer_pool_t *bp; + /* *INDENT-OFF* */ + vec_foreach (bp, buffer_main.buffer_pools) + { + u32 i; + vlib_physmem_map_t *pm; + pm = vlib_physmem_get_map (vm, bp->physmem_map_index); + for (i = 0; i < pm->n_pages; i++) + vfio_map_physmem_page (vm, pm->base + (i << pm->log2_page_size)); + } + /* *INDENT-ON* */ + } + if (r && r->init_function) err = r->init_function (lpm->vlib_main, p->handle); @@ -1092,6 +1107,25 @@ vlib_pci_map_region_fixed (vlib_main_t * vm, vlib_pci_dev_handle_t h, } clib_error_t * +vlib_pci_map_dma (vlib_main_t * vm, vlib_pci_dev_handle_t h, void *ptr) +{ + linux_pci_device_t *p = linux_pci_get_device (h); + + if (!p->supports_va_dma) + return 0; + + return vfio_map_physmem_page (vm, ptr); +} + +int +vlib_pci_supports_virtual_addr_dma (vlib_main_t * vm, vlib_pci_dev_handle_t h) +{ + linux_pci_device_t *p = linux_pci_get_device (h); + + return p->supports_va_dma != 0; +} + +clib_error_t * vlib_pci_device_open (vlib_main_t * vm, vlib_pci_addr_t * addr, pci_device_id_t ids[], vlib_pci_dev_handle_t * handle) { |