From patchwork Tue Jul 9 06:08:34 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Widawsky X-Patchwork-Id: 2825094 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6E4869F756 for ; Tue, 9 Jul 2013 06:07:24 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7C9732015F for ; Tue, 9 Jul 2013 06:07:23 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 9269A2015C for ; Tue, 9 Jul 2013 06:07:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 78674E61F6 for ; Mon, 8 Jul 2013 23:07:22 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from shiva.localdomain (unknown [209.20.75.48]) by gabe.freedesktop.org (Postfix) with ESMTP id CFC81E5C28 for ; Mon, 8 Jul 2013 23:05:38 -0700 (PDT) Received: by shiva.localdomain (Postfix, from userid 99) id 88316886AD; Tue, 9 Jul 2013 06:05:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from lundgren.kumite (c-24-21-100-90.hsd1.or.comcast.net [24.21.100.90]) by shiva.localdomain (Postfix) with ESMTPSA id D7F7088652; Tue, 9 Jul 2013 06:05:28 +0000 (UTC) From: Ben Widawsky To: Intel GFX Date: Mon, 8 Jul 2013 23:08:34 -0700 Message-Id: <1373350122-5118-4-git-send-email-ben@bwidawsk.net> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1373350122-5118-1-git-send-email-ben@bwidawsk.net> References: <1373350122-5118-1-git-send-email-ben@bwidawsk.net> Cc: Ben Widawsky Subject: [Intel-gfx] [PATCH 03/11] drm/i915: Create a global list of vms X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Virus-Scanned: ClamAV using ClamSMTP After we plumb our code to support multiple address spaces (VMs), there are a few situations where we want to be able to traverse the list of all address spaces in the system. Cases like eviction, or error state collection are obvious example. Signed-off-by: Ben Widawsky --- drivers/gpu/drm/i915/i915_dma.c | 5 +++++ drivers/gpu/drm/i915/i915_drv.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 3ac9dcc..d13e21f 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1497,6 +1497,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) i915_dump_device_info(dev_priv); + INIT_LIST_HEAD(&dev_priv->vm_list); + INIT_LIST_HEAD(&dev_priv->gtt.base.global_link); + list_add(&dev_priv->gtt.base.global_link, &dev_priv->vm_list); + if (i915_get_bridge_dev(dev)) { ret = -EIO; goto free_priv; @@ -1754,6 +1758,7 @@ int i915_driver_unload(struct drm_device *dev) i915_free_hws(dev); } + list_del(&dev_priv->vm_list); drm_mm_takedown(&dev_priv->gtt.base.mm); if (dev_priv->regs != NULL) pci_iounmap(dev->pdev, dev_priv->regs); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 1296565..997c9a5 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -449,6 +449,7 @@ typedef uint32_t gen6_gtt_pte_t; struct i915_address_space { struct drm_mm mm; struct drm_device *dev; + struct list_head global_link; unsigned long start; /* Start offset always 0 for dri2 */ size_t total; /* size addr space maps (ex. 2GB for ggtt) */ @@ -1120,6 +1121,7 @@ typedef struct drm_i915_private { enum modeset_restore modeset_restore; struct mutex modeset_restore_lock; + struct list_head vm_list; /* Global list of all address spaces */ struct i915_gtt gtt; /* VMA representing the global address space */ struct i915_gem_mm mm;