From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 19 Feb 2024 03:26:26 +0000 Subject: [PATCH] add r8169 read mac form eeprom --- kernel/drivers/dma-buf/Kconfig | 85 ++++++++++++++++++++++++++++++++++++++---- 1 files changed, 76 insertions(+), 9 deletions(-) diff --git a/kernel/drivers/dma-buf/Kconfig b/kernel/drivers/dma-buf/Kconfig index b50c575..b5f2a3e 100644 --- a/kernel/drivers/dma-buf/Kconfig +++ b/kernel/drivers/dma-buf/Kconfig @@ -1,18 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only menu "DMABUF options" config DMABUF_CACHE bool "DMABUF cache attachment" default ARCH_ROCKCHIP + depends on NO_GKI help This option support to store attachments in a list and destroy them by set to a callback list in the dtor of dma-buf. + +config RK_DMABUF_DEBUG + bool "Rockchip DMABUF debug option" + depends on NO_GKI + select RK_DMABUF_PROCFS + help + This option support to debug all the dmabuf on db_list, allows to set + a name for dmabuf. If not sure, say N + +config RK_DMABUF_DEBUG_ADVANCED + bool "Rockchip DMABUF debug advanced option" + depends on RK_DMABUF_DEBUG + help + This option support to debug all the dmabuf on db_list, allows to attach + and map a dmabuf who has no attachment. If not sure, say N + +config DMABUF_PARTIAL + bool "Support for partial cache maintenance" + default y + help + In order to improve performance, allow dma-buf clients to + apply cache maintenance to only a subset of a dma-buf. + + Kernel clients will be able to use the dma_buf_begin_cpu_access_partial + and dma_buf_end_cpu_access_partial functions to only apply cache + maintenance to a range within the dma-buf. config SYNC_FILE bool "Explicit Synchronization Framework" default n select DMA_SHARED_BUFFER - ---help--- - The Sync File Framework adds explicit syncronization via + help + The Sync File Framework adds explicit synchronization via userspace. It enables send/receive 'struct dma_fence' objects to/from userspace via Sync File fds for synchronization between drivers via userspace components. It has been ported from Android. @@ -21,19 +49,52 @@ associated with a buffer. When a job is submitted to the GPU a fence is attached to the buffer and is transferred via userspace, using Sync Files fds, to the DRM driver for example. More details at - Documentation/sync_file.txt. + Documentation/driver-api/sync_file.rst. config SW_SYNC - bool "Sync File Validation Framework" + tristate "Sync File Validation Framework" default n depends on SYNC_FILE - ---help--- + help A sync object driver that uses a 32bit counter to coordinate synchronization. Useful when there is no hardware primitive backing the synchronization. WARNING: improper use of this can result in deadlocking kernel drivers from userspace. Intended for test and debug only. + +config SW_SYNC_DEBUG + bool "SW Sync Debug" + depends on DEBUG_FS && SW_SYNC && NO_GKI + default SW_SYNC + help + To get current fence point and timeline status. + +config UDMABUF + bool "userspace dmabuf misc driver" + default n + depends on DMA_SHARED_BUFFER + depends on MEMFD_CREATE || COMPILE_TEST + help + A driver to let userspace turn memfd regions into dma-bufs. + Qemu can use this to create host dmabufs for guest framebuffers. + +config DMABUF_MOVE_NOTIFY + bool "Move notify between drivers (EXPERIMENTAL)" + default n + depends on DMA_SHARED_BUFFER + help + Don't pin buffers if the dynamic DMA-buf interface is available on + both the exporter as well as the importer. This fixes a security + problem where userspace is able to pin unrestricted amounts of memory + through DMA-buf. + This is marked experimental because we don't yet have a consistent + execution context and memory management between drivers. + +config DMABUF_SELFTESTS + tristate "Selftests for the dma-buf interfaces" + default n + depends on DMA_SHARED_BUFFER menuconfig DMABUF_HEAPS bool "DMA-BUF Userland Memory Heaps" @@ -44,12 +105,18 @@ allows userspace to allocate dma-bufs that can be shared between drivers. -config DMABUF_PAGE_POOL - bool "DMA-BUF page-pool library" - depends on !DMABUF_HEAPS +menuconfig DMABUF_SYSFS_STATS + bool "DMA-BUF sysfs statistics" + depends on DMA_SHARED_BUFFER help - Choose this option to enable the DMA-BUF page-pool library. + Choose this option to enable DMA-BUF sysfs statistics + in location /sys/kernel/dmabuf/buffers. + + /sys/kernel/dmabuf/buffers/<inode_number> will contain + statistics for the DMA-BUF with the unique inode number + <inode_number>. source "drivers/dma-buf/heaps/Kconfig" +source "drivers/dma-buf/rk_heaps/Kconfig" endmenu -- Gitblit v1.6.2