From: Oleksandr Andrushchenko <andr2000@gmail.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org,
jgross@suse.com, konrad.wilk@oracle.com
Cc: daniel.vetter@intel.com, matthew.d.roper@intel.com,
dongwon.kim@intel.com,
Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Subject: Re: [PATCH v2 8/9] xen/gntdev: Implement dma-buf import functionality
Date: Wed, 6 Jun 2018 15:38:58 +0300 [thread overview]
Message-ID: <8676e1d7-3179-5fc0-08fb-02373df4101b__23786.1882699237$1528288664$gmane$org@gmail.com> (raw)
In-Reply-To: <7ef4f26e-4225-ea7e-8183-9a6c3fe69345@oracle.com>
On 06/05/2018 01:28 AM, Boris Ostrovsky wrote:
> On 06/01/2018 07:41 AM, Oleksandr Andrushchenko wrote:
>> /* ------------------------------------------------------------------ */
>>
>> +static int
>> +dmabuf_imp_grant_foreign_access(struct page **pages, u32 *refs,
>> + int count, int domid)
>> +{
>> + grant_ref_t priv_gref_head;
>> + int i, ret;
>> +
>> + ret = gnttab_alloc_grant_references(count, &priv_gref_head);
>> + if (ret < 0) {
>> + pr_err("Cannot allocate grant references, ret %d\n", ret);
>> + return ret;
>> + }
>> +
>> + for (i = 0; i < count; i++) {
>> + int cur_ref;
>> +
>> + cur_ref = gnttab_claim_grant_reference(&priv_gref_head);
>> + if (cur_ref < 0) {
>> + ret = cur_ref;
>> + pr_err("Cannot claim grant reference, ret %d\n", ret);
>> + goto out;
>> + }
>> +
>> + gnttab_grant_foreign_access_ref(cur_ref, domid,
>> + xen_page_to_gfn(pages[i]), 0);
>> + refs[i] = cur_ref;
>> + }
>> +
>> + ret = 0;
> return 0?
My bad, thank you
>> +
>> +out:
>> + gnttab_free_grant_references(priv_gref_head);
>> + return ret;
>> +}
>> +
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2018-06-06 12:39 UTC|newest]
Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-01 11:41 [PATCH v2 0/9] xen: dma-buf support for grant device Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 1/9] xen/grant-table: Export gnttab_{alloc|free}_pages as GPL Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-04 9:27 ` Juergen Gross
2018-06-04 9:27 ` Juergen Gross
2018-06-19 13:04 ` Juergen Gross
2018-06-19 13:04 ` Juergen Gross
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 2/9] xen/grant-table: Make set/clear page private code shared Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:44 ` Oleksandr Andrushchenko
2018-06-01 11:44 ` Oleksandr Andrushchenko
2018-06-01 11:44 ` Oleksandr Andrushchenko
2018-06-04 15:43 ` Boris Ostrovsky
2018-06-04 15:43 ` Boris Ostrovsky
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 3/9] xen/balloon: Share common memory reservation routines Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-04 16:37 ` Boris Ostrovsky
2018-06-04 17:07 ` Oleksandr Andrushchenko
2018-06-04 17:07 ` Oleksandr Andrushchenko
2018-06-04 17:07 ` Oleksandr Andrushchenko
2018-06-06 7:24 ` Oleksandr Andrushchenko
2018-06-06 7:24 ` Oleksandr Andrushchenko
2018-06-06 21:09 ` Boris Ostrovsky
2018-06-07 5:32 ` Oleksandr Andrushchenko
2018-06-07 5:32 ` Oleksandr Andrushchenko
2018-06-07 5:32 ` Oleksandr Andrushchenko
2018-06-06 21:09 ` Boris Ostrovsky
2018-06-06 7:24 ` Oleksandr Andrushchenko
2018-06-04 16:37 ` Boris Ostrovsky
2018-06-01 11:41 ` [PATCH v2 4/9] xen/grant-table: Allow allocating buffers suitable for DMA Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-04 18:46 ` Boris Ostrovsky
2018-06-06 7:51 ` Oleksandr Andrushchenko
2018-06-06 7:51 ` Oleksandr Andrushchenko
2018-06-06 7:51 ` Oleksandr Andrushchenko
2018-06-04 18:46 ` Boris Ostrovsky
2018-06-01 11:41 ` [PATCH v2 5/9] xen/gntdev: Allow mappings for DMA buffers Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-04 20:12 ` Boris Ostrovsky
2018-06-04 20:12 ` Boris Ostrovsky
2018-06-06 8:14 ` Oleksandr Andrushchenko
2018-06-06 8:14 ` [Xen-devel] " Oleksandr Andrushchenko
2018-06-06 8:14 ` Oleksandr Andrushchenko
2018-06-06 21:19 ` Boris Ostrovsky
2018-06-06 21:19 ` [Xen-devel] " Boris Ostrovsky
2018-06-07 6:39 ` Oleksandr Andrushchenko
2018-06-07 6:39 ` [Xen-devel] " Oleksandr Andrushchenko
2018-06-07 6:39 ` Oleksandr Andrushchenko
2018-06-07 21:46 ` Boris Ostrovsky
2018-06-08 11:33 ` Oleksandr Andrushchenko
2018-06-08 17:59 ` Stefano Stabellini
2018-06-08 17:59 ` [Xen-devel] " Stefano Stabellini
2018-06-08 17:59 ` Stefano Stabellini
2018-06-08 19:21 ` Boris Ostrovsky
2018-06-11 13:13 ` Oleksandr Andrushchenko
2018-06-11 13:13 ` Oleksandr Andrushchenko
2018-06-11 16:51 ` Stefano Stabellini
2018-06-11 16:51 ` [Xen-devel] " Stefano Stabellini
2018-06-11 16:51 ` Stefano Stabellini
2018-06-11 17:16 ` Oleksandr Andrushchenko
2018-06-11 17:16 ` [Xen-devel] " Oleksandr Andrushchenko
2018-06-11 17:46 ` Julien Grall
2018-06-11 17:49 ` Oleksandr Andrushchenko
2018-06-11 17:56 ` Julien Grall
2018-06-11 17:56 ` [Xen-devel] " Julien Grall
2018-06-11 17:49 ` Oleksandr Andrushchenko
2018-06-11 17:46 ` Julien Grall
2018-06-11 17:41 ` Julien Grall
2018-06-11 17:41 ` [Xen-devel] " Julien Grall
2018-06-11 13:13 ` Oleksandr Andrushchenko
2018-06-08 19:21 ` Boris Ostrovsky
2018-06-08 11:33 ` Oleksandr Andrushchenko
2018-06-07 21:46 ` Boris Ostrovsky
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 6/9] xen/gntdev: Add initial support for dma-buf UAPI Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-04 20:49 ` Boris Ostrovsky
2018-06-06 9:06 ` Oleksandr Andrushchenko
2018-06-06 9:06 ` Oleksandr Andrushchenko
2018-06-06 9:06 ` Oleksandr Andrushchenko
2018-06-06 21:32 ` Boris Ostrovsky
2018-06-06 21:32 ` Boris Ostrovsky
2018-06-07 7:17 ` Oleksandr Andrushchenko
2018-06-07 7:17 ` Oleksandr Andrushchenko
2018-06-07 22:26 ` Boris Ostrovsky
2018-06-08 11:38 ` Oleksandr Andrushchenko
2018-06-08 11:38 ` Oleksandr Andrushchenko
2018-06-08 11:38 ` Oleksandr Andrushchenko
2018-06-07 22:26 ` Boris Ostrovsky
2018-06-04 20:49 ` Boris Ostrovsky
2018-06-01 11:41 ` [PATCH v2 7/9] xen/gntdev: Implement dma-buf export functionality Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-04 22:07 ` Boris Ostrovsky
2018-06-06 12:10 ` Oleksandr Andrushchenko
2018-06-06 12:10 ` Oleksandr Andrushchenko
2018-06-06 12:10 ` Oleksandr Andrushchenko
2018-06-06 21:48 ` Boris Ostrovsky
2018-06-06 21:48 ` Boris Ostrovsky
2018-06-07 8:44 ` Oleksandr Andrushchenko
2018-06-07 8:44 ` Oleksandr Andrushchenko
2018-06-07 8:44 ` Oleksandr Andrushchenko
2018-06-07 22:30 ` Boris Ostrovsky
2018-06-07 22:30 ` Boris Ostrovsky
2018-06-08 11:34 ` Oleksandr Andrushchenko
2018-06-08 11:34 ` Oleksandr Andrushchenko
2018-06-08 11:34 ` Oleksandr Andrushchenko
2018-06-04 22:07 ` Boris Ostrovsky
2018-06-01 11:41 ` [PATCH v2 8/9] xen/gntdev: Implement dma-buf import functionality Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-04 22:28 ` Boris Ostrovsky
2018-06-04 22:28 ` Boris Ostrovsky
2018-06-06 12:38 ` Oleksandr Andrushchenko
2018-06-06 12:38 ` Oleksandr Andrushchenko [this message]
2018-06-01 11:41 ` [PATCH v2 9/9] xen/gntdev: Expose gntdev's dma-buf API for in-kernel use Oleksandr Andrushchenko
2018-06-01 11:41 ` Oleksandr Andrushchenko
2018-06-04 22:36 ` Boris Ostrovsky
2018-06-04 22:36 ` Boris Ostrovsky
2018-06-06 12:46 ` Oleksandr Andrushchenko
2018-06-06 12:46 ` Oleksandr Andrushchenko
2018-06-06 12:46 ` Oleksandr Andrushchenko
2018-06-06 21:51 ` Boris Ostrovsky
2018-06-06 21:51 ` [Xen-devel] " Boris Ostrovsky
2018-06-06 22:05 ` Dongwon Kim
2018-06-06 22:05 ` Dongwon Kim
2018-06-07 7:33 ` Oleksandr Andrushchenko
2018-06-07 7:33 ` Oleksandr Andrushchenko
2018-06-07 7:33 ` Oleksandr Andrushchenko
2018-06-06 22:05 ` Dongwon Kim
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='8676e1d7-3179-5fc0-08fb-02373df4101b__23786.1882699237$1528288664$gmane$org@gmail.com' \
--to=andr2000@gmail.com \
--cc=boris.ostrovsky@oracle.com \
--cc=daniel.vetter@intel.com \
--cc=dongwon.kim@intel.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=jgross@suse.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=matthew.d.roper@intel.com \
--cc=oleksandr_andrushchenko@epam.com \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.