From nobody Fri Apr 15 20:46:42 2022 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id F37EC5D7305; Fri, 15 Apr 2022 20:46:42 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Kg7fV6Y3Fz4td6; Fri, 15 Apr 2022 20:46:42 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1650055602; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ETakTbgwHrsnnKEnueLdJju1oQTAJ9+TasTrzgSJHyQ=; b=WY6zDYGRyRQi5VMumiifO/xeJDOTE5LdSB2iq70fgqxeNecDIPAl7QuxZOr82uNLXDAwN+ nAlWJg66GT1nL33VLkGwMmL4Rx3iBQWcyIbD0rpWmIVeAjJayyMbBCd5Ik5tXm5FPjisCh +PR8Ce9UDSvpB6/h63bU+xb+1PvAH4qBNrG1mOvfW6cmHloxqV32rvSZGsPvgPRELCJzqn fh9flY1mMiEoMuQAIGqn0lOma21eALMT/PnNwmkN7l6jWexrkaLLwqCJSkRFEFqbfJE3e+ fbUhtmmKfZTqp89Lcc9wX9orrFZ8ENyTpqseIQz+KnqMmz5QTlmtb+VwxOq/+Q== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C07141C682; Fri, 15 Apr 2022 20:46:42 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 23FKkgF9079255; Fri, 15 Apr 2022 20:46:42 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 23FKkgMd079254; Fri, 15 Apr 2022 20:46:42 GMT (envelope-from git) Date: Fri, 15 Apr 2022 20:46:42 GMT Message-Id: <202204152046.23FKkgMd079254@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Warner Losh Subject: git: e66c1b51850c - main - nvme: Define NVME_MPS_SHIFT List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: imp X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: e66c1b51850cbe5e2b02a13131dfce83a0c9a121 Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1650055602; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ETakTbgwHrsnnKEnueLdJju1oQTAJ9+TasTrzgSJHyQ=; b=frRo0KWyp9GuMAE8PTRWa5JLe2FVlvczzURSOdtsmSn0/xWXk/d3V4d5WlWQSRmOkfqrSY WVndY9LBJk5sbOkf2Qccxyv/F0UtACAYzNiuV79xSXvvlncaJIvWchexxvXc1GB5nK1JTx x7GHAUmHhdXO8zBAdHoF0LpLDiBGrDa+k3Yq/UpUSOuEniHMnQysStwVN/naxiRAjuk6N9 deJn1orDBciHj8zjXIPxjrimANSUcWhaaMzAGCpomHm1FunemfIzfrnjRa+zrQeNy8Vubp YrMq+ADK1dDgkf6XjsUQkxq7E6Nm5jLKPAJcz7StGO9VSERcrMiI2nG0UpOWVg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1650055602; a=rsa-sha256; cv=none; b=Z/8+o3TplcTbGPa9R3EfJovvtZSctM17HeQJqzL8q0Z2+jyvwckC2dFRR/RUTOJ9eqAXj8 qXkvhHenJk4zrLz+bxK1kUReWKBVyXyAZH+2WGW82PUANrMJRaQfA27tQrx59gue9+Bjv7 RtLEZnY8EUD1tUH25jYdd+h0onoo/woPpw+AQm12Jtn4CfXSnDToXMvQXphSX6+kMbg+ZZ UCzO3lC6nnofXJ9RClPkbuCoUkTqN6WHlubFSzf+c9BeydJicQQbeB8SaqCP7fFpeHGJH9 POTvPSDAZTHL8TN77QmJaCCiyej+Wojt11cUCVLdcbCR27Ii8oI2d8rzyzisQA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=e66c1b51850cbe5e2b02a13131dfce83a0c9a121 commit e66c1b51850cbe5e2b02a13131dfce83a0c9a121 Author: Warner Losh AuthorDate: 2022-04-15 20:40:41 +0000 Commit: Warner Losh CommitDate: 2022-04-15 20:46:18 +0000 nvme: Define NVME_MPS_SHIFT The memory page size (MPS) is expressed in terms of a 2^(number + 12) and other items in the system inherit this. Create a define rather than sprinkling 12 everywehere. Sponsored by: Netflix Reviewed by: chuck Differential Revision: https://reviews.freebsd.org/D34865 --- sys/dev/nvme/nvme.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/dev/nvme/nvme.h b/sys/dev/nvme/nvme.h index 55e94c40dd2c..e120656d0050 100644 --- a/sys/dev/nvme/nvme.h +++ b/sys/dev/nvme/nvme.h @@ -65,6 +65,9 @@ /* Host memory buffer sizes are always in 4096 byte chunks */ #define NVME_HMB_UNITS 4096 +/* Many items are expressed in terms of power of two times MPS */ +#define NVME_MPS_SHIFT 12 + /* Register field definitions */ #define NVME_CAP_LO_REG_MQES_SHIFT (0) #define NVME_CAP_LO_REG_MQES_MASK (0xFFFF)