From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Pau Monne Subject: [PATCH RFC 1/2] gnttab: add IOMMU entries for grant mappings on auto-translated guests Date: Fri, 4 Apr 2014 16:37:33 +0200 Message-ID: <1396622254-13069-2-git-send-email-roger.pau@citrix.com> References: <1396622254-13069-1-git-send-email-roger.pau@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WW5FZ-0002Md-7h for xen-devel@lists.xenproject.org; Fri, 04 Apr 2014 14:37:45 +0000 In-Reply-To: <1396622254-13069-1-git-send-email-roger.pau@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xenproject.org Cc: Keir Fraser , Jan Beulich , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org V2hlbiB1c2luZyBncmFudCBtYXBwaW5ncyB3aXRoIGF1dG8tdHJhbnNsYXRlZCBndWVzdHMgKFBW SCwgSFZNKSwgWGVuCndhcyBub3QgdXBkYXRpbmcgdGhlIElPTU1VIGVudHJpZXMgZm9yIHRoZSBk b21haW4uIFRoaXMgcGF0Y2ggYWRkcyB0aGUKbmVjZXNzYXJ5IGJpdHMgaW4gb3JkZXIgdG8gcHJv cGVybHkgdXBkYXRlIHRoZSBJT01NVSB3aGVuIGRvaW5nIGdyYW50Cm1hcHMvdW5tYXAgb24gYXV0 by10cmFuc2xhdGVkIGd1ZXN0cy4KClNpZ25lZC1vZmYtYnk6IFJvZ2VyIFBhdSBNb25uw6kgPHJv Z2VyLnBhdUBjaXRyaXguY29tPgpDYzogTXVrZXNoIFJhdGhvciA8bXVrZXNoLnJhdGhvckBvcmFj bGUuY29tPgpDYzogS2VpciBGcmFzZXIgPGtlaXJAeGVuLm9yZz4KQ2M6IEphbiBCZXVsaWNoIDxq YmV1bGljaEBzdXNlLmNvbT4KLS0tCiB4ZW4vY29tbW9uL2dyYW50X3RhYmxlLmMgfCAgIDI4ICsr KysrKysrKysrKysrKysrKysrKysrKysrKysKIDEgZmlsZXMgY2hhbmdlZCwgMjggaW5zZXJ0aW9u cygrKSwgMCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS94ZW4vY29tbW9uL2dyYW50X3RhYmxl LmMgYi94ZW4vY29tbW9uL2dyYW50X3RhYmxlLmMKaW5kZXggMTA3YjAwMC4uNjY1ZjM0YiAxMDA2 NDQKLS0tIGEveGVuL2NvbW1vbi9ncmFudF90YWJsZS5jCisrKyBiL3hlbi9jb21tb24vZ3JhbnRf dGFibGUuYwpAQCAtNzQ5LDYgKzc0OSwyMiBAQCBfX2dudHRhYl9tYXBfZ3JhbnRfcmVmKAogICAg ICAgICAgICAgZ290byB1bmRvX291dDsKICAgICAgICAgfQogICAgIH0KKyAgICBlbHNlIGlmICgg bmVlZF9pb21tdShsZCkgKQorICAgIHsKKyAgICAgICAgaW50IGVycjsKKworICAgICAgICBCVUdf T04oIXBhZ2luZ19tb2RlX3RyYW5zbGF0ZShsZCkpOworICAgICAgICBlcnIgPSBpb21tdV9tYXBf cGFnZShsZCwgb3AtPmhvc3RfYWRkciA+PiBQQUdFX1NISUZULCBmcmFtZSwKKyAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgb3AtPmZsYWdzICYgR05UTUFQX3JlYWRvbmx5ID8KKyAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgSU9NTVVGX3JlYWRhYmxlIDoKKyAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgSU9NTVVGX3JlYWRhYmxlfElPTU1VRl93cml0YWJsZSk7CisgICAg ICAgIGlmICggZXJyICkKKyAgICAgICAgeworICAgICAgICAgICAgZG91YmxlX2d0X3VubG9jayhs Z3QsIHJndCk7CisgICAgICAgICAgICByYyA9IEdOVFNUX2dlbmVyYWxfZXJyb3I7CisgICAgICAg ICAgICBnb3RvIHVuZG9fb3V0OworICAgICAgICB9CisgICAgfQogCiAgICAgVFJBQ0VfMUQoVFJD X01FTV9QQUdFX0dSQU5UX01BUCwgb3AtPmRvbSk7CiAKQEAgLTk0Nyw2ICs5NjMsMTggQEAgX19n bnR0YWJfdW5tYXBfY29tbW9uKAogICAgICAgICAgICAgZ290byB1bm1hcF9vdXQ7CiAgICAgICAg IH0KICAgICB9CisgICAgZWxzZSBpZiAoIG5lZWRfaW9tbXUobGQpICkKKyAgICB7CisgICAgICAg IGludCBlcnI7CisKKyAgICAgICAgQlVHX09OKCFwYWdpbmdfbW9kZV90cmFuc2xhdGUobGQpKTsK KyAgICAgICAgZXJyID0gaW9tbXVfdW5tYXBfcGFnZShsZCwgb3AtPmhvc3RfYWRkciA+PiBQQUdF X1NISUZUKTsKKyAgICAgICAgaWYgKCBlcnIgKQorICAgICAgICB7CisgICAgICAgICAgICByYyA9 IEdOVFNUX2dlbmVyYWxfZXJyb3I7CisgICAgICAgICAgICBnb3RvIHVubWFwX291dDsKKyAgICAg ICAgfQorICAgIH0KIAogICAgIC8qIElmIGp1c3QgdW5tYXBwZWQgYSB3cml0YWJsZSBtYXBwaW5n LCBtYXJrIGFzIGRpcnRpZWQgKi8KICAgICBpZiAoICEob3AtPmZsYWdzICYgR05UTUFQX3JlYWRv bmx5KSApCi0tIAoxLjcuNy41IChBcHBsZSBHaXQtMjYpCgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2 ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK