From nobody Tue Oct 24 04:44:47 2023 X-Original-To: dev-commits-src-branches@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 4SDzxX1DPkz4xVM1; Tue, 24 Oct 2023 04:44:48 +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 4SDzxX0hHXz3JfQ; Tue, 24 Oct 2023 04:44:48 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1698122688; 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=dYHMY3ujyr0gVRPdGHwRutF2hkasrcuP3kNdM1cdkTk=; b=tyt2OKgbCdvqlzfJvL1b8hue74qP7kUE7gdAcRPTN4r/C1P7kTpBtJZJ1oXCBPixPm4BOC T8iF+9zqI5sag/nFuSmY/gzCHvM4+/qgJwsdguuRxmHEQO/ZCDEKbRTOO1tbDmHOGl2AXZ wsdxTO9idr1V1SlxmIq1Ddgy1EM2zfwmcX+PQBFL0X/bOwakJ61iTVPkfMyc+j+fsBTCDC RBUQWkE7l/AvqQQDGmFd1VVhuIh0T362pf6W5/qn77FPGsj6H9O8hauMjAW9nVjXlgfx2n Z43+XBjxu8QwNPiTHqHlRlq1O7xvfjVz8cF9vFZeqAUMazKBXB1Ktoci+R8RhA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1698122688; a=rsa-sha256; cv=none; b=CLZrW8+9SDtlwnholfgQIrMuZecm/D6P6GAJckbyIdyuHCAN6Yqd6vscmZD6ZgEomQg2hl iKTur+TEy0VFtNkTMBjHtccHjYYBY8aEqvwVO8Wy7JQPb8rqNhwkY4ItAOxaWpHiGJ3OUq x4m8+I83hFopWzkza1Gtx68T8HsduGCx+53qNOMo19t4+qUkaojFyMUEHTOzEuZbxpUPZO 2iR6wfkzbWJH1K0T7DnFraw9YuthXrZY86F3QJoTXd6ZeBMju2umdzOjgvV5YJTpa+7Px4 6e25Ue6t/eALpxtLigDOiWKFPgADrD9afNmKclwGUgX1Exn5kNcLj7VVPRU+IQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1698122688; 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=dYHMY3ujyr0gVRPdGHwRutF2hkasrcuP3kNdM1cdkTk=; b=vZh9gyrSYueGxkpsD2b2+5SLeu8GxCgAYi32J4conQpxo3/VMq1ILOpodc7aIwk+oyA4rK BkZU8tyYDDKNFnH1mFR99OIkPq1v7bNwvvBRmnAcLg/uMzpoJyR2E4v/iTLAH6ybic1jTn XsMtP5EXPlRKwco6i2BD+ERLiQFR6KEOjvQpQQ2UzqtkChcZFGeoME0Egysh7cVb5z4/HV vGombkVRft1dqs/1zhx07J0XXlt12mlAqNrRhZ7CS6ZEWkcKZF1rgmAZ1oLI/4XEEYSI+a hDkz3tmTdnOBFNOzacvqWPo2tw7YUGHyCv0B55UJyrZHTJUDydZveRLvblpDWA== 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 4SDzxW6s6wz18BW; Tue, 24 Oct 2023 04:44:47 +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 39O4il4V004971; Tue, 24 Oct 2023 04:44:47 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 39O4ildW004968; Tue, 24 Oct 2023 04:44:47 GMT (envelope-from git) Date: Tue, 24 Oct 2023 04:44:47 GMT Message-Id: <202310240444.39O4ildW004968@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Zhenlei Huang Subject: git: ba924ff8c46c - stable/13 - vmx: Prefer consistent naming for loader tunables List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: zlei X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: ba924ff8c46ce44fc9b877cc48bdae3bc966c13a Auto-Submitted: auto-generated The branch stable/13 has been updated by zlei: URL: https://cgit.FreeBSD.org/src/commit/?id=ba924ff8c46ce44fc9b877cc48bdae3bc966c13a commit ba924ff8c46ce44fc9b877cc48bdae3bc966c13a Author: Zhenlei Huang AuthorDate: 2023-10-19 17:18:25 +0000 Commit: Zhenlei Huang CommitDate: 2023-10-24 04:43:55 +0000 vmx: Prefer consistent naming for loader tunables The following loader tunables do have corresponding sysctl MIBs but with different names. That may be historical reason. Let's prefer consistent naming for them so that it will be easier to read and maintain. 1. hw.vmm.l1d_flush -> hw.vmm.vmx.l1d_flush 2. hw.vmm.l1d_flush_sw -> hw.vmm.vmx.l1d_flush_sw 3. hw.vmm.vmx.use_apic_pir -> hw.vmm.vmx.cap.posted_interrupts 4. hw.vmm.vmx.use_apic_vid -> hw.vmm.vmx.cap.virtual_interrupt_delivery 5. hw.vmm.vmx.use_tpr_shadowing -> hw.vmm.vmx.cap.tpr_shadowing Old names are kept for compatibility. Meanwhile, add sysctl flag CTLFLAG_TUN to them so that `sysctl -T` will report them correctly. Reviewed by: corvink, jhb, kib, #bhyve MFC after: 5 days Differential Revision: https://reviews.freebsd.org/D42251 (cherry picked from commit f3ff0918ffcdbcb4c39175f3f9be70999edb14e8) (cherry picked from commit 9e48b627aed346bf5e950134a581218d3097eb7c) --- sys/amd64/vmm/intel/vmx.c | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) diff --git a/sys/amd64/vmm/intel/vmx.c b/sys/amd64/vmm/intel/vmx.c index 9aecbabe6ca3..1402705ca5f5 100644 --- a/sys/amd64/vmm/intel/vmx.c +++ b/sys/amd64/vmm/intel/vmx.c @@ -192,15 +192,18 @@ SYSCTL_INT(_hw_vmm_vmx_cap, OID_AUTO, invpcid, CTLFLAG_RD, &cap_invpcid, 0, "Guests are allowed to use INVPCID"); static int tpr_shadowing; -SYSCTL_INT(_hw_vmm_vmx_cap, OID_AUTO, tpr_shadowing, CTLFLAG_RD, +SYSCTL_INT(_hw_vmm_vmx_cap, OID_AUTO, tpr_shadowing, + CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &tpr_shadowing, 0, "TPR shadowing support"); static int virtual_interrupt_delivery; -SYSCTL_INT(_hw_vmm_vmx_cap, OID_AUTO, virtual_interrupt_delivery, CTLFLAG_RD, +SYSCTL_INT(_hw_vmm_vmx_cap, OID_AUTO, virtual_interrupt_delivery, + CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &virtual_interrupt_delivery, 0, "APICv virtual interrupt delivery support"); static int posted_interrupts; -SYSCTL_INT(_hw_vmm_vmx_cap, OID_AUTO, posted_interrupts, CTLFLAG_RD, +SYSCTL_INT(_hw_vmm_vmx_cap, OID_AUTO, posted_interrupts, + CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &posted_interrupts, 0, "APICv posted interrupt support"); static int pirvec = -1; @@ -213,10 +216,10 @@ SYSCTL_UINT(_hw_vmm_vmx, OID_AUTO, vpid_alloc_failed, CTLFLAG_RD, &vpid_alloc_failed, 0, NULL); int guest_l1d_flush; -SYSCTL_INT(_hw_vmm_vmx, OID_AUTO, l1d_flush, CTLFLAG_RD, +SYSCTL_INT(_hw_vmm_vmx, OID_AUTO, l1d_flush, CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &guest_l1d_flush, 0, NULL); int guest_l1d_flush_sw; -SYSCTL_INT(_hw_vmm_vmx, OID_AUTO, l1d_flush_sw, CTLFLAG_RD, +SYSCTL_INT(_hw_vmm_vmx, OID_AUTO, l1d_flush_sw, CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &guest_l1d_flush_sw, 0, NULL); static struct msr_entry msr_load_list[1] __aligned(16); @@ -832,8 +835,12 @@ vmx_modinit(int ipinum) &tmp); if (error == 0) { tpr_shadowing = 1; +#ifndef BURN_BRIDGES TUNABLE_INT_FETCH("hw.vmm.vmx.use_tpr_shadowing", &tpr_shadowing); +#endif + TUNABLE_INT_FETCH("hw.vmm.vmx.cap.tpr_shadowing", + &tpr_shadowing); } if (tpr_shadowing) { @@ -854,8 +861,12 @@ vmx_modinit(int ipinum) procbased2_vid_bits, 0, &tmp); if (error == 0 && tpr_shadowing) { virtual_interrupt_delivery = 1; +#ifndef BURN_BRIDGES TUNABLE_INT_FETCH("hw.vmm.vmx.use_apic_vid", &virtual_interrupt_delivery); +#endif + TUNABLE_INT_FETCH("hw.vmm.vmx.cap.virtual_interrupt_delivery", + &virtual_interrupt_delivery); } if (virtual_interrupt_delivery) { @@ -881,8 +892,12 @@ vmx_modinit(int ipinum) } } else { posted_interrupts = 1; +#ifndef BURN_BRIDGES TUNABLE_INT_FETCH("hw.vmm.vmx.use_apic_pir", &posted_interrupts); +#endif + TUNABLE_INT_FETCH("hw.vmm.vmx.cap.posted_interrupts", + &posted_interrupts); } } } @@ -899,7 +914,10 @@ vmx_modinit(int ipinum) guest_l1d_flush = (cpu_ia32_arch_caps & IA32_ARCH_CAP_SKIP_L1DFL_VMENTRY) == 0; +#ifndef BURN_BRIDGES TUNABLE_INT_FETCH("hw.vmm.l1d_flush", &guest_l1d_flush); +#endif + TUNABLE_INT_FETCH("hw.vmm.vmx.l1d_flush", &guest_l1d_flush); /* * L1D cache flush is enabled. Use IA32_FLUSH_CMD MSR when @@ -911,8 +929,12 @@ vmx_modinit(int ipinum) if (guest_l1d_flush) { if ((cpu_stdext_feature3 & CPUID_STDEXT3_L1D_FLUSH) == 0) { guest_l1d_flush_sw = 1; +#ifndef BURN_BRIDGES TUNABLE_INT_FETCH("hw.vmm.l1d_flush_sw", &guest_l1d_flush_sw); +#endif + TUNABLE_INT_FETCH("hw.vmm.vmx.l1d_flush_sw", + &guest_l1d_flush_sw); } if (guest_l1d_flush_sw) { if (nmi_flush_l1d_sw <= 1)