From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hirofumi Fujita Date: Wed, 15 Nov 2000 08:15:52 +0000 Subject: [Linux-ia64] SW IO TLB buffer management in kernel test10 Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1254" Content-Transfer-Encoding: base64 To: linux-ia64@vger.kernel.org SGksCgp0aGVyZSBzZWVtcyB0byBiZSBhIHByb2JsZW0gb24gYnVmZmVyIG1hbmFnZW1lbnQgb2Yg U1cgSU8gVExCLgpUaGUgY29udGVudHMgb2YgaW9fdGxiX2xpc3RbXSBiZWNvbWUgYnJva2VuLgoK VGhpcyBoYXBwZW5zIHdoZW4gYSBtYWNoaW5lIGhhcyBtb3JlIHRoZW4gMkdCIG1lbW9yeSwKYW5k IENELVJPTSBvciBTQ1NJICg+NEdCIGFkZHJlc3NpbmcgaXMgZGlzYWJsZWQpIGFyZSBhY2Nlc3Nl ZC4KCkJ1dCB0aGVyZSBtYXkgYmUgYW5vdGhlciBidWcgPwoKSSBhcHBsaWVkIHRoZSBhdHRhY2hl ZCBwYXRjaCBhbmQga2VybmVsIHBhbmljIHdoZW4gbWtlMmZzIC9kZXYvc2RhNC4KKFFMb2dpYyBC SU9TIHNldHRpbmc6ID40R0IgYWRkcmVzc2luZyBpcyBkaXNhYmxlZCkKS2VybmVsIHBhbmljOiBf X3BjaV9tYXBfc2luZ2xlOiBjb3VsZCBub3QgYWxsb2NhdGUgc29mdHdhcmUgSU8gVExCICgxNjM4 NCBieXRlcykKQXQgdGhpcyB0aW1lLCBpb190bGJfbGlzdFtdIGFyZSBhbG1vc3QgMC4KClNhbWUg d2l0aCBzd2lvdGxiEDI0IG9wdGlvbiAod2hpY2ggZXh0ZW5kcyB0aGlzIGJvdW5jZSBidWZmZXIg dG8KODE5MiB4IDJLQikuCgpXaXRoIHN3aW90bGKBOTIgb3B0aW9uLCBta2UyZnMgc3VjY2Vzc2Vz LApidXQgNjAlIG9mIGlvX3RsYl9saXN0W10gcmVtYWluIDAgYWZ0ZXIgbWtlMmZzIGZpbmlzaGVk LgpUaGlzIGlzIGJlY2F1c2UgcGNpX3VubWFwIGlzIG5vdCBjYWxsZWQgY29ycmVjdGx5ID8KCkhp cm9mdW1pIEZ1aml0YQpIaXRhY2hpLCBMdGQuCgotLS0gbGludXgtMi40LjAtdGVzdDEwLWlhNjQt MDAxMTAxL2FyY2gvaWE2NC9rZXJuZWwvcGNpLWRtYS5jLm9yZwlNb24gTm92IDEzIDEyOjA1OjEz IDIwMDAKKysrIGxpbnV4LTIuNC4wLXRlc3QxMC1pYTY0LTAwMTEwMS9hcmNoL2lhNjQva2VybmVs L3BjaS1kbWEuYwlXZWQgTm92IDE1IDE2OjE5OjEyIDIwMDAKQEAgLTEwOSw3ICsxMDksOCBAQAog ewogCXVuc2lnbmVkIGxvbmcgZmxhZ3M7CiAJY2hhciAqZG1hX2FkZHI7Ci0JdW5zaWduZWQgaW50 IGksIG5zbG90cywgc3RyaWRlLCBpbmRleCwgd3JhcDsKKwl1bnNpZ25lZCBpbnQgbnNsb3RzLCBz dHJpZGUsIGluZGV4LCB3cmFwOworCWludCBpOwogCiAJLyoKIAkgKiBGb3IgbWFwcGluZ3MgZ3Jl YXRlciB0aGFuIGEgcGFnZSBzaXplLCB3ZSBsaW1pdCB0aGUgc3RyaWRlIChhbmQgaGVuY2UgYWxp Z25tZW50KQpAQCAtMTMzLDcgKzEzNCw3IEBACiAJCXdyYXAgPSBpbmRleCA9IEFMSUdOKGlvX3Rs Yl9pbmRleCwgc3RyaWRlKTsKIAogCQlpZiAoaW5kZXggPj0gaW9fdGxiX25zbGFicykgCi0JCQlp bmRleCA9IDA7CisJCQl3cmFwID0gaW5kZXggPSAwOwogCiAJCWRvIHsKIAkJCS8qCkBAIC0xNDIs OCArMTQzLDExIEBACiAJCQkgKiBlbnRyaWVzIGFzICcwJyBpbmRpY2F0aW5nIHVuYXZhaWxhYmxl LgogCQkJICovCiAJCQlpZiAoaW9fdGxiX2xpc3RbaW5kZXhdID49IG5zbG90cykgeworCQkJCWlu dCBjb3VudCA9IDA7CiAJCQkJZm9yIChpID0gaW5kZXg7IGkgPCBpbmRleCArIG5zbG90czsgaSsr KQogCQkJCQlpb190bGJfbGlzdFtpXSA9IDA7CisJCQkJZm9yIChpID0gaW5kZXggLSAxOyAoaSA+ PSAwKSAmJiBpb190bGJfbGlzdFtpXTsgaS0tKQorCQkJCQlpb190bGJfbGlzdFtpXSA9ICsrY291 bnQ7CiAJCQkJZG1hX2FkZHIgPSBpb190bGJfc3RhcnQgKyAoaW5kZXggPDwgSU9fVExCX1NISUZU KTsKIAogCQkJCS8qCkBAIC0yMTAsMTQgKzIxNCwxMCBAQAogCQlpbnQgY291bnQgPSAoKGluZGV4 ICsgbnNsb3RzKSA8IGlvX3RsYl9uc2xhYnMgPyBpb190bGJfbGlzdFtpbmRleCArIG5zbG90c10g OiAwKTsKIAkJLyoKIAkJICogU3RlcCAxOiByZXR1cm4gdGhlIHNsb3RzIHRvIHRoZSBmcmVlIGxp c3QsIG1lcmdpbmcgdGhlIHNsb3RzIHdpdGggc3VwZXJjZWVkaW5nIHNsb3RzCi0JCSAqLwotCQlm b3IgKGkgPSBpbmRleCArIG5zbG90cyAtIDE7IGkgPj0gaW5kZXg7IGktLSkKLQkJCWlvX3RsYl9s aXN0W2ldID0gKytjb3VudDsKLQkJLyoKIAkJICogU3RlcCAyOiBtZXJnZSB0aGUgcmV0dXJuZWQg c2xvdHMgd2l0aCB0aGUgcHJlY2VlZGluZyBzbG90cywgaWYgYXZhaWxhYmxlIChub24gemVybykK IAkJICovCi0JCWZvciAoaSA9IGluZGV4IC0gMTsgKGkgPj0gMCkgJiYgaW9fdGxiX2xpc3RbaV07 IGktLSkKLQkJCWlvX3RsYl9saXN0W2ldICs9IGlvX3RsYl9saXN0W2luZGV4XTsKKwkJZm9yIChp ID0gaW5kZXggKyBuc2xvdHMgLSAxOyAoaSA+PSAwKSAmJiBpb190bGJfbGlzdFtpXTsgaS0tKQor CQkJaW9fdGxiX2xpc3RbaV0gPSArK2NvdW50OwogCX0KIAlzcGluX3VubG9ja19pcnFyZXN0b3Jl KCZpb190bGJfbG9jaywgZmxhZ3MpOwogfQoK