Unverified Commit af53b00f authored by Mark Brown's avatar Mark Brown
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Merge tag 'v6.4-rc2' into asoc-6.5 to get fixes for CI 

Linux 6.4-rc2
parents 98be58f2 f1fcbaa1

Documentation/block/index.rst

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@@ -18,7 +18,6 @@ Block 
   kyber-iosched

   null_blk

   pr

   request

   stat

   switching-sched

   writeback_cache_control

Documentation/block/request.rst

deleted100644 → 0
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============================

struct request documentation

============================



Jens Axboe <jens.axboe@oracle.com> 27/05/02





.. FIXME:

   No idea about what does mean - seems just some noise, so comment it



   1.0

   Index



   2.0 Struct request members classification



       2.1 struct request members explanation



   3.0





   2.0







Short explanation of request members

====================================



Classification flags:



	=	====================

	D	driver member

	B	block layer member

	I	I/O scheduler member

	=	====================



Unless an entry contains a D classification, a device driver must not access

this member. Some members may contain D classifications, but should only be

access through certain macros or functions (eg ->flags).



<linux/blkdev.h>



=============================== ======= =======================================

Member				Flag	Comment

=============================== ======= =======================================

struct list_head queuelist	BI	Organization on various internal

					queues



``void *elevator_private``	I	I/O scheduler private data



unsigned char cmd[16]		D	Driver can use this for setting up

					a cdb before execution, see

					blk_queue_prep_rq



unsigned long flags		DBI	Contains info about data direction,

					request type, etc.



int rq_status			D	Request status bits



kdev_t rq_dev			DBI	Target device



int errors			DB	Error counts



sector_t sector			DBI	Target location



unsigned long hard_nr_sectors	B	Used to keep sector sane



unsigned long nr_sectors	DBI	Total number of sectors in request



unsigned long hard_nr_sectors	B	Used to keep nr_sectors sane



unsigned short nr_phys_segments	DB	Number of physical scatter gather

					segments in a request



unsigned short nr_hw_segments	DB	Number of hardware scatter gather

					segments in a request



unsigned int current_nr_sectors	DB	Number of sectors in first segment

					of request



unsigned int hard_cur_sectors	B	Used to keep current_nr_sectors sane



int tag				DB	TCQ tag, if assigned



``void *special``		D	Free to be used by driver



``char *buffer``		D	Map of first segment, also see

					section on bouncing SECTION



``struct completion *waiting``	D	Can be used by driver to get signalled

					on request completion



``struct bio *bio``		DBI	First bio in request



``struct bio *biotail``		DBI	Last bio in request



``struct request_queue *q``	DB	Request queue this request belongs to



``struct request_list *rl``	B	Request list this request came from

=============================== ======= =======================================

Documentation/devicetree/bindings/media/i2c/ovti,ov2685.yaml

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@@ -49,6 +49,7 @@ properties: 


        properties:

          data-lanes:

            minItems: 1

            maxItems: 2



        required:

Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml

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@@ -17,20 +17,11 @@ description: 
properties:

  clocks:

    minItems: 3

    items:

      - description: PCIe bridge clock.

      - description: PCIe bus clock.

      - description: PCIe PHY clock.

      - description: Additional required clock entry for imx6sx-pcie,

           imx6sx-pcie-ep, imx8mq-pcie, imx8mq-pcie-ep.

    maxItems: 4



  clock-names:

    minItems: 3

    items:

      - const: pcie

      - const: pcie_bus

      - enum: [ pcie_phy, pcie_aux ]

      - enum: [ pcie_inbound_axi, pcie_aux ]

    maxItems: 4



  num-lanes:

    const: 1

Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml

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@@ -31,6 +31,19 @@ properties: 
      - const: dbi

      - const: addr_space



  clocks:

    minItems: 3

    items:

      - description: PCIe bridge clock.

      - description: PCIe bus clock.

      - description: PCIe PHY clock.

      - description: Additional required clock entry for imx6sx-pcie,

           imx6sx-pcie-ep, imx8mq-pcie, imx8mq-pcie-ep.



  clock-names:

    minItems: 3

    maxItems: 4



  interrupts:

    items:

      - description: builtin eDMA interrupter.
@@ -49,6 +62,31 @@ required: 
allOf:

  - $ref: /schemas/pci/snps,dw-pcie-ep.yaml#

  - $ref: /schemas/pci/fsl,imx6q-pcie-common.yaml#

  - if:

      properties:

        compatible:

          enum:

            - fsl,imx8mq-pcie-ep

    then:

      properties:

        clocks:

          minItems: 4

        clock-names:

          items:

            - const: pcie

            - const: pcie_bus

            - const: pcie_phy

            - const: pcie_aux

    else:

      properties:

        clocks:

          maxItems: 3

        clock-names:

          items:

            - const: pcie

            - const: pcie_bus

            - const: pcie_aux





unevaluatedProperties: false