diff options
Diffstat (limited to 'Documentation/driver-api/pci')
| -rw-r--r-- | Documentation/driver-api/pci/index.rst | 5 | ||||
| -rw-r--r-- | Documentation/driver-api/pci/p2pdma.rst | 16 | ||||
| -rw-r--r-- | Documentation/driver-api/pci/pci.rst | 8 |
3 files changed, 11 insertions, 18 deletions
diff --git a/Documentation/driver-api/pci/index.rst b/Documentation/driver-api/pci/index.rst index c6cf1fef61ce..a38e475cdbe3 100644 --- a/Documentation/driver-api/pci/index.rst +++ b/Documentation/driver-api/pci/index.rst @@ -4,11 +4,8 @@ The Linux PCI driver implementer's API guide ============================================ -.. class:: toc-title - - Table of contents - .. toctree:: + :caption: Table of contents :maxdepth: 2 pci diff --git a/Documentation/driver-api/pci/p2pdma.rst b/Documentation/driver-api/pci/p2pdma.rst index 44deb52beeb4..d0b241628cf1 100644 --- a/Documentation/driver-api/pci/p2pdma.rst +++ b/Documentation/driver-api/pci/p2pdma.rst @@ -83,19 +83,9 @@ this to include other types of resources like doorbells. Client Drivers -------------- -A client driver typically only has to conditionally change its DMA map -routine to use the mapping function :c:func:`pci_p2pdma_map_sg()` instead -of the usual :c:func:`dma_map_sg()` function. Memory mapped in this -way does not need to be unmapped. - -The client may also, optionally, make use of -:c:func:`is_pci_p2pdma_page()` to determine when to use the P2P mapping -functions and when to use the regular mapping functions. In some -situations, it may be more appropriate to use a flag to indicate a -given request is P2P memory and map appropriately. It is important to -ensure that struct pages that back P2P memory stay out of code that -does not have support for them as other code may treat the pages as -regular memory which may not be appropriate. +A client driver only has to use the mapping API :c:func:`dma_map_sg()` +and :c:func:`dma_unmap_sg()` functions as usual, and the implementation +will do the right thing for the P2P capable memory. Orchestrator Drivers diff --git a/Documentation/driver-api/pci/pci.rst b/Documentation/driver-api/pci/pci.rst index ca85e5e78b2c..aa40b1cc243b 100644 --- a/Documentation/driver-api/pci/pci.rst +++ b/Documentation/driver-api/pci/pci.rst @@ -4,6 +4,12 @@ PCI Support Library .. kernel-doc:: drivers/pci/pci.c :export: +.. kernel-doc:: drivers/pci/iomap.c + :export: + +.. kernel-doc:: drivers/pci/devres.c + :export: + .. kernel-doc:: drivers/pci/pci-driver.c :export: @@ -13,7 +19,7 @@ PCI Support Library .. kernel-doc:: drivers/pci/search.c :export: -.. kernel-doc:: drivers/pci/msi.c +.. kernel-doc:: drivers/pci/msi/msi.c :export: .. kernel-doc:: drivers/pci/bus.c |