From patchwork Tue Nov 2 07:05:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12597939 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5346DC433F5 for ; Tue, 2 Nov 2021 07:07:45 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1EA2560E08 for ; Tue, 2 Nov 2021 07:07:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1EA2560E08 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A0A076FAB5; Tue, 2 Nov 2021 07:07:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by gabe.freedesktop.org (Postfix) with ESMTPS id E243B6FAB5; Tue, 2 Nov 2021 07:07:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=gUNNWgM5X7RWxMoFc61amlH8N+Gkf3WGRjvtBdCIuIA=; b=hf8TS4yQBCblYrLd+FF9b0QCD+ nIxLgeixsZfZ4h/XXi3wU/Y6//sWsKAnuuxzX3p2rSN1hUQcug/Ahz7rAqla9XjuY6HXtLmyRBFdO ieR8mYIeoW6MLnGsIdvAv+F+ztuXQoKMbd6tmgjX3RcgO1uWIj3R5ytDLCTVuHVOQzSNR/tHvoskN ZZxHxtZSTiGZS6YjAAM2/SV5Sm4g7uYMcGSfAnjCavGazjLCMuvirljeZVjw08E/HLRf84mmKcfSm qa5TuJ8WUPXWdj9dGj/D2rfqiOjuLItU6c+qKairDrY4QfQT0UhVNV7EX6sjkkADT8luyweuDZqcV E2eTdnyg==; Received: from 213-225-15-89.nat.highway.a1.net ([213.225.15.89] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mhntW-000iFQ-3O; Tue, 02 Nov 2021 07:07:42 +0000 From: Christoph Hellwig To: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Zhenyu Wang , Zhi Wang Date: Tue, 2 Nov 2021 08:05:48 +0100 Message-Id: <20211102070601.155501-17-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211102070601.155501-1-hch@lst.de> References: <20211102070601.155501-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Subject: [Intel-gfx] [PATCH 16/29] drm/i915/gvt: devirtualize ->detach_vgpu X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Jason Gunthorpe , linux-kernel@vger.kernel.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Just call the function directly. Signed-off-by: Christoph Hellwig Reviewed-by: Jason Gunthorpe --- drivers/gpu/drm/i915/gvt/gvt.h | 1 + drivers/gpu/drm/i915/gvt/hypercall.h | 1 - drivers/gpu/drm/i915/gvt/kvmgt.c | 3 +-- drivers/gpu/drm/i915/gvt/mpt.h | 16 ---------------- drivers/gpu/drm/i915/gvt/vgpu.c | 2 +- 5 files changed, 3 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 1963eac9d0cf8..b0bd52921b55e 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -580,6 +580,7 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu); int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload); void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason); +void intel_vgpu_detach_regions(struct intel_vgpu *vgpu); enum { GVT_FAILSAFE_UNSUPPORTED_GUEST, diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h index 091249a924a85..08c622c4079bb 100644 --- a/drivers/gpu/drm/i915/gvt/hypercall.h +++ b/drivers/gpu/drm/i915/gvt/hypercall.h @@ -45,7 +45,6 @@ struct intel_vgpu; struct intel_gvt_mpt { int (*host_init)(struct device *dev, void *gvt); void (*host_exit)(struct device *dev, void *gvt); - void (*detach_vgpu)(struct intel_vgpu *vgpu); int (*inject_msi)(struct intel_vgpu *vgpu, u32 addr, u16 data); int (*enable_page_track)(struct intel_vgpu *vgpu, u64 gfn); int (*disable_page_track)(struct intel_vgpu *vgpu, u64 gfn); diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 1481a48cb1f00..13d4551b566f9 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1840,7 +1840,7 @@ static bool kvmgt_guest_exit(struct intel_vgpu *info) return true; } -static void kvmgt_detach_vgpu(struct intel_vgpu *vgpu) +void intel_vgpu_detach_regions(struct intel_vgpu *vgpu) { int i; @@ -2004,7 +2004,6 @@ static bool kvmgt_is_valid_gfn(struct intel_vgpu *vgpu, unsigned long gfn) static const struct intel_gvt_mpt kvmgt_mpt = { .host_init = kvmgt_host_init, .host_exit = kvmgt_host_exit, - .detach_vgpu = kvmgt_detach_vgpu, .inject_msi = kvmgt_inject_msi, .enable_page_track = kvmgt_page_track_add, .disable_page_track = kvmgt_page_track_remove, diff --git a/drivers/gpu/drm/i915/gvt/mpt.h b/drivers/gpu/drm/i915/gvt/mpt.h index 9738aa3377b4b..78efcf1e69469 100644 --- a/drivers/gpu/drm/i915/gvt/mpt.h +++ b/drivers/gpu/drm/i915/gvt/mpt.h @@ -71,22 +71,6 @@ static inline void intel_gvt_hypervisor_host_exit(struct device *dev, void *gvt) intel_gvt_host.mpt->host_exit(dev, gvt); } -/** - * intel_gvt_hypervisor_detach_vgpu - call hypervisor to release vGPU - * related stuffs inside hypervisor. - * - * Returns: - * Zero on success, negative error code if failed. - */ -static inline void intel_gvt_hypervisor_detach_vgpu(struct intel_vgpu *vgpu) -{ - /* optional to provide */ - if (!intel_gvt_host.mpt->detach_vgpu) - return; - - intel_gvt_host.mpt->detach_vgpu(vgpu); -} - #define MSI_CAP_CONTROL(offset) (offset + 2) #define MSI_CAP_ADDRESS(offset) (offset + 4) #define MSI_CAP_DATA(offset) (offset + 8) diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 2fadd6fea5acf..7a7f768083d20 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -293,7 +293,7 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) intel_vgpu_clean_opregion(vgpu); intel_vgpu_reset_ggtt(vgpu, true); intel_vgpu_clean_gtt(vgpu); - intel_gvt_hypervisor_detach_vgpu(vgpu); + intel_vgpu_detach_regions(vgpu); intel_vgpu_free_resource(vgpu); intel_vgpu_clean_mmio(vgpu); intel_vgpu_dmabuf_cleanup(vgpu);