From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andre Przywara Subject: [PATCH v4 22/27] ARM: vITS: handle DISCARD command Date: Mon, 3 Apr 2017 21:28:24 +0100 Message-ID: <20170403202829.7278-23-andre.przywara@arm.com> References: <20170403202829.7278-1-andre.przywara@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cv8Yy-0005Go-8X for xen-devel@lists.xenproject.org; Mon, 03 Apr 2017 20:26:56 +0000 In-Reply-To: <20170403202829.7278-1-andre.przywara@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall , Stefano Stabellini Cc: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org VGhlIERJU0NBUkQgY29tbWFuZCBkcm9wcyB0aGUgY29ubmVjdGlvbiBiZXR3ZWVuIGEgRGV2aWNl SUQvRXZlbnRJRAphbmQgYW4gTFBJL2NvbGxlY3Rpb24gcGFpci4KV2UgbWFyayB0aGUgcmVzcGVj dGl2ZSBzdHJ1Y3R1cmUgZW50cmllcyBhcyBub3QgYWxsb2NhdGVkIGFuZCBtYWtlCnN1cmUgdGhh dCBhbnkgcXVldWVkIElSUXMgYXJlIHJlbW92ZWQuCgpTaWduZWQtb2ZmLWJ5OiBBbmRyZSBQcnp5 d2FyYSA8YW5kcmUucHJ6eXdhcmFAYXJtLmNvbT4KLS0tCiB4ZW4vYXJjaC9hcm0vdmdpYy12My1p dHMuYyB8IDMwICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwogMSBmaWxlIGNoYW5nZWQs IDMwIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vdmdpYy12My1pdHMu YyBiL3hlbi9hcmNoL2FybS92Z2ljLXYzLWl0cy5jCmluZGV4IGEyNzU4Y2QuLjJmMDI0YjEgMTAw NjQ0Ci0tLSBhL3hlbi9hcmNoL2FybS92Z2ljLXYzLWl0cy5jCisrKyBiL3hlbi9hcmNoL2FybS92 Z2ljLXYzLWl0cy5jCkBAIC00NzMsNiArNDczLDMzIEBAIHN0YXRpYyBpbnQgaXRzX2hhbmRsZV9t b3ZpKHN0cnVjdCB2aXJ0X2l0cyAqaXRzLCB1aW50NjRfdCAqY21kcHRyKQogICAgIHJldHVybiAw OwogfQogCitzdGF0aWMgaW50IGl0c19oYW5kbGVfZGlzY2FyZChzdHJ1Y3QgdmlydF9pdHMgKml0 cywgdWludDY0X3QgKmNtZHB0cikKK3sKKyAgICB1aW50MzJfdCBkZXZpZCA9IGl0c19jbWRfZ2V0 X2RldmljZWlkKGNtZHB0cik7CisgICAgdWludDMyX3QgZXZlbnRpZCA9IGl0c19jbWRfZ2V0X2lk KGNtZHB0cik7CisgICAgc3RydWN0IHBlbmRpbmdfaXJxICpwaXJxOworICAgIHN0cnVjdCB2Y3B1 ICp2Y3B1OworICAgIHVpbnQzMl90IHZscGk7CisKKyAgICBpZiAoICFyZWFkX2l0dGUoaXRzLCBk ZXZpZCwgZXZlbnRpZCwgJnZjcHUsICZ2bHBpKSApCisgICAgICAgIHJldHVybiAtMTsKKworICAg IHBpcnEgPSBscGlfdG9fcGVuZGluZyhpdHMtPmQsIHZscGkpOworICAgIGlmICggcGlycSApCisg ICAgeworICAgICAgICBjbGVhcl9iaXQoR0lDX0lSUV9HVUVTVF9RVUVVRUQsICZwaXJxLT5zdGF0 dXMpOworICAgICAgICBnaWNfcmVtb3ZlX2Zyb21fcXVldWVzKHZjcHUsIHZscGkpOworICAgIH0K KworICAgIGlmICggIXdyaXRlX2l0dGUoaXRzLCBkZXZpZCwgZXZlbnRpZCwgVU5NQVBQRURfQ09M TEVDVElPTiwgSU5WQUxJRF9MUEksIE5VTEwpICkKKyAgICAgICAgcmV0dXJuIC0xOworCisgICAg Z2ljdjNfYXNzaWduX2d1ZXN0X2V2ZW50KGl0cy0+ZCwgaXRzLT5kb29yYmVsbF9hZGRyZXNzLAor ICAgICAgICAgICAgICAgICAgICAgICAgICAgICBkZXZpZCwgZXZlbnRpZCwgTlVMTCwgMCk7CisK KyAgICByZXR1cm4gMDsKK30KKwogI2RlZmluZSBJVFNfQ01EX0JVRkZFUl9TSVpFKGJhc2VyKSAg ICAgICgoKChiYXNlcikgJiAweGZmKSArIDEpIDw8IDEyKQogCiBzdGF0aWMgaW50IHZnaWNfaXRz X2hhbmRsZV9jbWRzKHN0cnVjdCBkb21haW4gKmQsIHN0cnVjdCB2aXJ0X2l0cyAqaXRzLApAQCAt NTEzLDYgKzU0MCw5IEBAIHN0YXRpYyBpbnQgdmdpY19pdHNfaGFuZGxlX2NtZHMoc3RydWN0IGRv bWFpbiAqZCwgc3RydWN0IHZpcnRfaXRzICppdHMsCiAgICAgICAgIGNhc2UgR0lUU19DTURfQ0xF QVI6CiAgICAgICAgICAgICByZXQgPSBpdHNfaGFuZGxlX2NsZWFyKGl0cywgY21kcHRyKTsKICAg ICAgICAgICAgIGJyZWFrOworICAgICAgICBjYXNlIEdJVFNfQ01EX0RJU0NBUkQ6CisgICAgICAg ICAgICByZXQgPSBpdHNfaGFuZGxlX2Rpc2NhcmQoaXRzLCBjbWRwdHIpOworICAgICAgICAgICAg YnJlYWs7CiAgICAgICAgIGNhc2UgR0lUU19DTURfSU5UOgogICAgICAgICAgICAgcmV0ID0gaXRz X2hhbmRsZV9pbnQoaXRzLCBjbWRwdHIpOwogICAgICAgICAgICAgYnJlYWs7Ci0tIAoyLjkuMAoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4u b3JnL3hlbi1kZXZlbAo=