From nobody Thu Nov 30 11:24:32 2023 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 4Sgv3h5X4kz53CKD; Thu, 30 Nov 2023 11:24:32 +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 4Sgv3h4nb8z3Ngs; Thu, 30 Nov 2023 11:24:32 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1701343472; 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=FIktAGxp9OIavv0Zpc+VxkuCtCzpQa7UzjtkUbR5Mk0=; b=v6im1rq+L427szwRe63st5h8ANguvKGAv3EuN2zYoKxVW9StqZ4z/1ht2XHZ0CHxT2iIP5 ZGCmOF8GrxQYYF2tCR5URfS4Dif1Y2B4JIAPfOXtjHvonKv71U3foFg28M98J0AySrcZRn jlHxS2rgRJe5nNW/jPW9WZses89EUvfsSrL6xGm5sZtrQoj6wWF7KsRFANrBNc6+8N5hIY M3Ra+XYh6uYZa7t3sbbTXkqozn6WWgLU41wtHNXDqOs4+mOMWtn2LFswgSfoeOT8oxzuxY URh4IKmR1RQf1q3ByJ4WxIu6K9q0eSvqz365hcTIZ7TmBxKsLUuRCg4c9Q2Qbw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1701343472; 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=FIktAGxp9OIavv0Zpc+VxkuCtCzpQa7UzjtkUbR5Mk0=; b=FTKK/lp5vp5+67ZZydj3qjGTWNdnoILcP/WOnXKMMg5rIEE7PYBqC0Rp2/yaKcEpH/sn4v tdj4xSl6WnM8MIRNz38s0VA4lVOjDvPawEff1gXoeSJoIByiaWa4MnaJxVqHbq1M5O5AmH 6SqhwsCOUsH7JRSRKD+LS6TMewVLrYpvxcwpvi+52TzitQD1hflBrfJ9KTqFv7HZe4lSJ2 7RC99sdIrSnAM0VgRMfhjUtKSCdyEUzeTCTRtQdkhoKqV+Eo0dvOIR15CPZBETOHdtR04E ZeA5S65KbIYMP3G3HnmN1rHGeeb40ZqLYn8Pl0Eo2xskCI+wvqvyczfY/lv/2A== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1701343472; a=rsa-sha256; cv=none; b=QGfsCpWuq/i4o6bIynITOMaRrl3aLG5yFYKLYBRovCPvroNqEYRQJgXeuJPXW0SpLqQ9mj 7BN2pfTL5JlIFRzsDYBDYnu3tGvGjPWvr9sRwpNtf5QHGMVFxVjvfCs2NXYPF0kM83zh/Y H3JDd2rZcO0mzduM7DtmedXbsJrz28b4XVxnWvHcnyXDQrbRE7wQ7gXHPDYjxN8lpeQRmX Zt3dGJNdCCs+1gsCT1BKSmTLSeH5r0D0dz1dDncRSBXzg4HxrwOhoI+sheNikGh/w4frwy k1sEkqJAZKt1TJRWfEgZSucf+jujcibqQIVWIxmgc+M2J5jzr3SM+I57KXHdKA== 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 4Sgv3h3lvXznP2; Thu, 30 Nov 2023 11:24:32 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 3AUBOWdX037324; Thu, 30 Nov 2023 11:24:32 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 3AUBOWLi037321; Thu, 30 Nov 2023 11:24:32 GMT (envelope-from git) Date: Thu, 30 Nov 2023 11:24:32 GMT Message-Id: <202311301124.3AUBOWLi037321@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Andrew Turner Subject: git: 839999e7efdc - main - vm: Add kva_alloc_aligned 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: andrew X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 839999e7efdc980d5ada92ea93719c7e29765809 Auto-Submitted: auto-generated The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=839999e7efdc980d5ada92ea93719c7e29765809 commit 839999e7efdc980d5ada92ea93719c7e29765809 Author: Andrew Turner AuthorDate: 2023-11-29 12:54:49 +0000 Commit: Andrew Turner CommitDate: 2023-11-30 10:50:03 +0000 vm: Add kva_alloc_aligned Add a function like kva_alloc that allows us to specify the alignment of the virtual address space returned. Reviewed by: alc, kib, markj Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D42788 --- sys/vm/vm_extern.h | 1 + sys/vm/vm_kern.c | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/sys/vm/vm_extern.h b/sys/vm/vm_extern.h index bcef44012472..2e2bc18a0233 100644 --- a/sys/vm/vm_extern.h +++ b/sys/vm/vm_extern.h @@ -47,6 +47,7 @@ struct domainset; /* These operate on kernel virtual addresses only. */ vm_offset_t kva_alloc(vm_size_t); +vm_offset_t kva_alloc_aligned(vm_size_t, vm_size_t); void kva_free(vm_offset_t, vm_size_t); /* These operate on pageable virtual addresses. */ diff --git a/sys/vm/vm_kern.c b/sys/vm/vm_kern.c index 6b22a96bf597..b17b857bd902 100644 --- a/sys/vm/vm_kern.c +++ b/sys/vm/vm_kern.c @@ -155,6 +155,27 @@ kva_alloc(vm_size_t size) return (addr); } +/* + * kva_alloc_aligned: + * + * Allocate a virtual address range as in kva_alloc where the base + * address is aligned to align. + */ +vm_offset_t +kva_alloc_aligned(vm_size_t size, vm_size_t align) +{ + vm_offset_t addr; + + TSENTER(); + size = round_page(size); + if (vmem_xalloc(kernel_arena, size, align, 0, 0, VMEM_ADDR_MIN, + VMEM_ADDR_MAX, M_BESTFIT | M_NOWAIT, &addr)) + return (0); + TSEXIT(); + + return (addr); +} + /* * kva_free: *