From: Yu Zhang <yu.c.zhang@linux.intel.com>
To: xen-devel@lists.xen.org
Cc: zhiyuan.lv@intel.com
Subject: [PATCH v5 0/4] x86/ioreq server: Introduce HVMMEM_ioreq_server mem type.
Date: Tue, 12 Jul 2016 17:02:05 +0800 [thread overview]
Message-ID: <1468314129-28465-1-git-send-email-yu.c.zhang@linux.intel.com> (raw)
XenGT leverages ioreq server to track and forward the accesses to GPU
I/O resources, e.g. the PPGTT(per-process graphic translation tables).
Currently, ioreq server uses rangeset to track the BDF/ PIO/MMIO ranges
to be emulated. To select an ioreq server, the rangeset is searched to
see if the I/O range is recorded. However, number of ram pages to be
tracked may exceed the upper limit of rangeset.
Previously, one solution was proposed to refactor the rangeset, and
extend its upper limit. However, after 12 rounds discussion, we have
decided to drop this approach due to security concerns. Now this new
patch series introduces a new mem type, HVMMEM_ioreq_server, and added
hvm operations to let one ioreq server to claim its ownership of ram
pages with this type. Accesses to a page of this type will be handled
by the specified ioreq server directly.
Yu Zhang (4):
x86/ioreq server: Rename p2m_mmio_write_dm to p2m_ioreq_server.
x86/ioreq server: Add new functions to get/set memory types.
x86/ioreq server: Add HVMOP to map guest ram with p2m_ioreq_server to
an ioreq server.
x86/ioreq server: Reset outstanding p2m_ioreq_server entries when an
ioreq server unmaps.
xen/arch/x86/hvm/emulate.c | 33 +++-
xen/arch/x86/hvm/hvm.c | 395 ++++++++++++++++++++++++++-------------
xen/arch/x86/hvm/ioreq.c | 41 ++++
xen/arch/x86/mm/hap/hap.c | 9 +
xen/arch/x86/mm/hap/nested_hap.c | 2 +-
xen/arch/x86/mm/p2m-ept.c | 14 +-
xen/arch/x86/mm/p2m-pt.c | 30 ++-
xen/arch/x86/mm/p2m.c | 77 ++++++++
xen/arch/x86/mm/shadow/multi.c | 3 +-
xen/include/asm-x86/hvm/ioreq.h | 2 +
xen/include/asm-x86/p2m.h | 36 +++-
xen/include/public/hvm/hvm_op.h | 34 +++-
12 files changed, 528 insertions(+), 148 deletions(-)
--
1.9.1
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
next reply other threads:[~2016-07-12 9:02 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-12 9:02 Yu Zhang [this message]
2016-07-12 9:02 ` [PATCH v5 1/4] x86/ioreq server: Rename p2m_mmio_write_dm to p2m_ioreq_server Yu Zhang
2016-07-12 9:02 ` [PATCH v5 2/4] x86/ioreq server: Add new functions to get/set memory types Yu Zhang
2016-07-12 9:02 ` [PATCH v5 3/4] x86/ioreq server: Add HVMOP to map guest ram with p2m_ioreq_server to an ioreq server Yu Zhang
2016-08-08 15:40 ` Jan Beulich
2016-08-09 7:39 ` Yu Zhang
2016-08-09 8:11 ` Jan Beulich
2016-08-09 8:20 ` Paul Durrant
2016-08-09 8:51 ` Yu Zhang
2016-08-09 9:07 ` Paul Durrant
2016-08-10 8:09 ` Yu Zhang
2016-08-10 10:33 ` Jan Beulich
2016-08-10 10:43 ` Paul Durrant
2016-08-10 12:32 ` Yu Zhang
2016-08-10 10:43 ` Yu Zhang
2016-08-11 8:47 ` Yu Zhang
2016-08-11 8:58 ` Jan Beulich
2016-08-11 9:19 ` Yu Zhang
2016-07-12 9:02 ` [PATCH v5 4/4] x86/ioreq server: Reset outstanding p2m_ioreq_server entries when an ioreq server unmaps Yu Zhang
2016-08-08 16:29 ` Jan Beulich
2016-08-09 7:39 ` Yu Zhang
2016-08-09 8:13 ` Jan Beulich
2016-08-09 9:25 ` Yu Zhang
2016-08-09 9:45 ` Jan Beulich
2016-08-09 10:21 ` Yu Zhang
2016-08-16 13:35 ` George Dunlap
2016-08-16 13:54 ` Jan Beulich
2016-08-30 12:17 ` Yu Zhang
2016-09-02 11:00 ` Yu Zhang
2016-08-05 2:44 ` [PATCH v5 0/4] x86/ioreq server: Introduce HVMMEM_ioreq_server mem type Yu Zhang
2016-08-05 6:16 ` Jan Beulich
2016-08-05 12:46 ` George Dunlap
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=1468314129-28465-1-git-send-email-yu.c.zhang@linux.intel.com \
--to=yu.c.zhang@linux.intel.com \
--cc=xen-devel@lists.xen.org \
--cc=zhiyuan.lv@intel.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).