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From: Oleksandr Andrushchenko <andr2000@gmail.com>
To: xen-devel@lists.xenproject.org
Cc: lars.kurth@citrix.com, sstabellini@kernel.org,
	vlad.babchuk@gmail.com, ian.jackson@eu.citrix.com,
	dario.faggioli@citrix.com, tim@xen.org, andrii.anisov@gmail.com,
	olekstysh@gmail.com, embedded-pv-devel@lists.xenproject.org,
	al1img@gmail.com, david.vrabel@citrix.com, JBeulich@suse.com,
	joculator@gmail.com
Subject: Re: [PATCH v1] displif: add ABI for para-virtual display
Date: Wed, 11 Jan 2017 09:59:36 +0200	[thread overview]
Message-ID: <52d6bbbe-9cd8-2c93-270a-d8d9124cdce3@gmail.com> (raw)
In-Reply-To: <1482394368-19391-1-git-send-email-andr2000@gmail.com>


[-- Attachment #1.1: Type: text/plain, Size: 800 bytes --]

As agreed on PV call PFA pahole results


On 12/22/2016 10:12 AM, Oleksandr Andrushchenko wrote:
> From: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@epam.com>
>
> This protocol aims to provide a unified protocol which fits more
> sophisticated use-cases than a framebuffer device can handle. At the
> moment basic functionality is supported with the intention to extend:
>   o multiple dynamically allocated/destroyed framebuffers
>   o buffers of arbitrary sizes
>   o better configuration options including multiple display support
>
> Oleksandr Andrushchenko (1):
>    displif: add ABI for para-virtual display
>
>   xen/include/public/io/displif.h | 730 ++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 730 insertions(+)
>   create mode 100644 xen/include/public/io/displif.h
>


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[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: displif.diff --]
[-- Type: text/x-patch; name="displif.diff", Size: 0 bytes --]



[-- Attachment #3: displif-x32.txt --]
[-- Type: text/plain, Size: 4118 bytes --]

struct xendispl_dbuf_create_req {
	uint64_t                   dbuf_cookie;          /*     0     8 */
	uint32_t                   width;                /*     8     4 */
	uint32_t                   height;               /*    12     4 */
	uint32_t                   bpp;                  /*    16     4 */
	uint32_t                   buffer_sz;            /*    20     4 */
	uint32_t                   flags;                /*    24     4 */
	grant_ref_t                gref_directory_start; /*    28     4 */

	/* size: 32, cachelines: 1, members: 7 */
	/* last cacheline: 32 bytes */
};
struct xendispl_page_directory {
	grant_ref_t                gref_dir_next_page;   /*     0     4 */
	grant_ref_t                gref[1];              /*     4     4 */

	/* size: 8, cachelines: 1, members: 2 */
	/* last cacheline: 8 bytes */
};
struct xendispl_dbuf_destroy_req {
	uint64_t                   dbuf_cookie;          /*     0     8 */

	/* size: 8, cachelines: 1, members: 1 */
	/* last cacheline: 8 bytes */
};
struct xendispl_fb_attach_req {
	uint64_t                   dbuf_cookie;          /*     0     8 */
	uint64_t                   fb_cookie;            /*     8     8 */
	uint32_t                   width;                /*    16     4 */
	uint32_t                   height;               /*    20     4 */
	uint32_t                   pixel_format;         /*    24     4 */

	/* size: 28, cachelines: 1, members: 5 */
	/* last cacheline: 28 bytes */
};
struct xendispl_fb_detach_req {
	uint64_t                   fb_cookie;            /*     0     8 */

	/* size: 8, cachelines: 1, members: 1 */
	/* last cacheline: 8 bytes */
};
struct xendispl_set_config_req {
	uint64_t                   fb_cookie;            /*     0     8 */
	uint32_t                   x;                    /*     8     4 */
	uint32_t                   y;                    /*    12     4 */
	uint32_t                   width;                /*    16     4 */
	uint32_t                   height;               /*    20     4 */
	uint32_t                   bpp;                  /*    24     4 */

	/* size: 28, cachelines: 1, members: 6 */
	/* last cacheline: 28 bytes */
};
struct xendispl_page_flip_req {
	uint64_t                   fb_cookie;            /*     0     8 */

	/* size: 8, cachelines: 1, members: 1 */
	/* last cacheline: 8 bytes */
};
struct xendispl_pg_flip_evt {
	uint64_t                   fb_cookie;            /*     0     8 */

	/* size: 8, cachelines: 1, members: 1 */
	/* last cacheline: 8 bytes */
};
struct xendispl_req {
	uint16_t                   id;                   /*     0     2 */
	uint8_t                    operation;            /*     2     1 */
	uint8_t                    reserved[5];          /*     3     5 */
	union {
		struct xendispl_dbuf_create_req dbuf_create; /*          32 */
		struct xendispl_dbuf_destroy_req dbuf_destroy; /*           8 */
		struct xendispl_fb_attach_req fb_attach; /*          28 */
		struct xendispl_fb_detach_req fb_detach; /*           8 */
		struct xendispl_set_config_req set_config; /*          28 */
		struct xendispl_page_flip_req pg_flip;   /*           8 */
		uint8_t            reserved[56];         /*          56 */
	} op;                                            /*     8    56 */

	/* size: 64, cachelines: 1, members: 4 */
};
struct xendispl_resp {
	uint16_t                   id;                   /*     0     2 */
	uint8_t                    operation;            /*     2     1 */
	int8_t                     status;               /*     3     1 */
	uint8_t                    reserved[60];         /*     4    60 */

	/* size: 64, cachelines: 1, members: 4 */
};
struct xendispl_evt {
	uint16_t                   id;                   /*     0     2 */
	uint8_t                    type;                 /*     2     1 */
	uint8_t                    reserved[5];          /*     3     5 */
	union {
		struct xendispl_pg_flip_evt pg_flip;     /*           8 */
		uint8_t            reserved[56];         /*          56 */
	} op;                                            /*     8    56 */

	/* size: 64, cachelines: 1, members: 4 */
};

[-- Attachment #4: displif-x64.txt --]
[-- Type: text/plain, Size: 4118 bytes --]

struct xendispl_dbuf_create_req {
	uint64_t                   dbuf_cookie;          /*     0     8 */
	uint32_t                   width;                /*     8     4 */
	uint32_t                   height;               /*    12     4 */
	uint32_t                   bpp;                  /*    16     4 */
	uint32_t                   buffer_sz;            /*    20     4 */
	uint32_t                   flags;                /*    24     4 */
	grant_ref_t                gref_directory_start; /*    28     4 */

	/* size: 32, cachelines: 1, members: 7 */
	/* last cacheline: 32 bytes */
};
struct xendispl_page_directory {
	grant_ref_t                gref_dir_next_page;   /*     0     4 */
	grant_ref_t                gref[1];              /*     4     4 */

	/* size: 8, cachelines: 1, members: 2 */
	/* last cacheline: 8 bytes */
};
struct xendispl_dbuf_destroy_req {
	uint64_t                   dbuf_cookie;          /*     0     8 */

	/* size: 8, cachelines: 1, members: 1 */
	/* last cacheline: 8 bytes */
};
struct xendispl_fb_attach_req {
	uint64_t                   dbuf_cookie;          /*     0     8 */
	uint64_t                   fb_cookie;            /*     8     8 */
	uint32_t                   width;                /*    16     4 */
	uint32_t                   height;               /*    20     4 */
	uint32_t                   pixel_format;         /*    24     4 */

	/* size: 28, cachelines: 1, members: 5 */
	/* last cacheline: 28 bytes */
};
struct xendispl_fb_detach_req {
	uint64_t                   fb_cookie;            /*     0     8 */

	/* size: 8, cachelines: 1, members: 1 */
	/* last cacheline: 8 bytes */
};
struct xendispl_set_config_req {
	uint64_t                   fb_cookie;            /*     0     8 */
	uint32_t                   x;                    /*     8     4 */
	uint32_t                   y;                    /*    12     4 */
	uint32_t                   width;                /*    16     4 */
	uint32_t                   height;               /*    20     4 */
	uint32_t                   bpp;                  /*    24     4 */

	/* size: 28, cachelines: 1, members: 6 */
	/* last cacheline: 28 bytes */
};
struct xendispl_page_flip_req {
	uint64_t                   fb_cookie;            /*     0     8 */

	/* size: 8, cachelines: 1, members: 1 */
	/* last cacheline: 8 bytes */
};
struct xendispl_pg_flip_evt {
	uint64_t                   fb_cookie;            /*     0     8 */

	/* size: 8, cachelines: 1, members: 1 */
	/* last cacheline: 8 bytes */
};
struct xendispl_req {
	uint16_t                   id;                   /*     0     2 */
	uint8_t                    operation;            /*     2     1 */
	uint8_t                    reserved[5];          /*     3     5 */
	union {
		struct xendispl_dbuf_create_req dbuf_create; /*          32 */
		struct xendispl_dbuf_destroy_req dbuf_destroy; /*           8 */
		struct xendispl_fb_attach_req fb_attach; /*          28 */
		struct xendispl_fb_detach_req fb_detach; /*           8 */
		struct xendispl_set_config_req set_config; /*          28 */
		struct xendispl_page_flip_req pg_flip;   /*           8 */
		uint8_t            reserved[56];         /*          56 */
	} op;                                            /*     8    56 */

	/* size: 64, cachelines: 1, members: 4 */
};
struct xendispl_resp {
	uint16_t                   id;                   /*     0     2 */
	uint8_t                    operation;            /*     2     1 */
	int8_t                     status;               /*     3     1 */
	uint8_t                    reserved[60];         /*     4    60 */

	/* size: 64, cachelines: 1, members: 4 */
};
struct xendispl_evt {
	uint16_t                   id;                   /*     0     2 */
	uint8_t                    type;                 /*     2     1 */
	uint8_t                    reserved[5];          /*     3     5 */
	union {
		struct xendispl_pg_flip_evt pg_flip;     /*           8 */
		uint8_t            reserved[56];         /*          56 */
	} op;                                            /*     8    56 */

	/* size: 64, cachelines: 1, members: 4 */
};

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      parent reply	other threads:[~2017-01-11  7:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-22  8:12 [PATCH v1] displif: add ABI for para-virtual display Oleksandr Andrushchenko
2016-12-22  8:12 ` Oleksandr Andrushchenko
2017-01-05  6:33   ` Oleksandr Andrushchenko
2017-01-05 15:45   ` Jan Beulich
2017-01-05 16:03     ` Oleksandr Andrushchenko
2017-01-05 16:12       ` Jan Beulich
2017-01-05 18:07         ` Oleksandr Andrushchenko
2017-01-26 18:39           ` Oleksandr Andrushchenko
2017-01-27  7:56             ` Jan Beulich
2017-01-27  8:11               ` Oleksandr Andrushchenko
2017-01-27  8:19                 ` Jan Beulich
2017-01-11  7:59 ` Oleksandr Andrushchenko [this message]

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