From patchwork Tue Apr 14 02:29:48 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 461013 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 902631402A8 for ; Tue, 14 Apr 2015 12:37:13 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752096AbbDNCa3 (ORCPT ); Mon, 13 Apr 2015 22:30:29 -0400 Received: from mga09.intel.com ([134.134.136.24]:29123 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754820AbbDNCaX (ORCPT ); Mon, 13 Apr 2015 22:30:23 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 13 Apr 2015 19:30:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,573,1422950400"; d="scan'208";a="713206342" Received: from gerry-dev.bj.intel.com ([10.238.158.72]) by orsmga002.jf.intel.com with ESMTP; 13 Apr 2015 19:30:16 -0700 From: Jiang Liu To: Bjorn Helgaas , Benjamin Herrenschmidt , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Dimitri Sivanich , Joerg Roedel Cc: Jiang Liu , Konrad Rzeszutek Wilk , David Cohen , Sander Eikelenboom , David Vrabel , Andrew Morton , Tony Luck , Greg Kroah-Hartman , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [Patch Part2 v5 11/33] irq_remapping/amd: Clean up unsued code Date: Tue, 14 Apr 2015 10:29:48 +0800 Message-Id: <1428978610-28986-12-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1428978610-28986-1-git-send-email-jiang.liu@linux.intel.com> References: <1428978610-28986-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Now we have converted to hierarchy irqdomain, so clean up unused code. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Greg Kroah-Hartman Cc: iommu@lists.linux-foundation.org Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Rafael J. Wysocki Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Joerg Roedel Link: http://lkml.kernel.org/r/1416901802-24211-21-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner Tested-by: Joerg Roedel --- drivers/iommu/amd_iommu.c | 144 --------------------------------------------- 1 file changed, 144 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 62fce11e1cfd..20abdbaf80d9 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3999,22 +3999,6 @@ out: return index; } -static int get_irte(u16 devid, int index, union irte *irte) -{ - struct irq_remap_table *table; - unsigned long flags; - - table = get_irq_table(devid, false); - if (!table) - return -ENOMEM; - - spin_lock_irqsave(&table->lock, flags); - irte->val = table->table[index]; - spin_unlock_irqrestore(&table->lock, flags); - - return 0; -} - static int modify_irte(u16 devid, int index, union irte irte) { struct irq_remap_table *table; @@ -4061,131 +4045,6 @@ static void free_irte(u16 devid, int index) iommu_completion_wait(iommu); } -static int setup_ioapic_entry(int irq, struct IO_APIC_route_entry *entry, - unsigned int destination, int vector, - struct io_apic_irq_attr *attr) -{ - struct irq_remap_table *table; - struct irq_2_irte *irte_info; - struct irq_cfg *cfg; - union irte irte; - int ioapic_id; - int index; - int devid; - int ret; - - cfg = irq_cfg(irq); - if (!cfg) - return -EINVAL; - - irte_info = &cfg->irq_2_irte; - ioapic_id = mpc_ioapic_id(attr->ioapic); - devid = get_ioapic_devid(ioapic_id); - - if (devid < 0) - return devid; - - table = get_irq_table(devid, true); - if (table == NULL) - return -ENOMEM; - - index = attr->ioapic_pin; - - /* Setup IRQ remapping info */ - cfg->remapped = 1; - irte_info->devid = devid; - irte_info->index = index; - - /* Setup IRTE for IOMMU */ - irte.val = 0; - irte.fields.vector = vector; - irte.fields.int_type = apic->irq_delivery_mode; - irte.fields.destination = destination; - irte.fields.dm = apic->irq_dest_mode; - irte.fields.valid = 1; - - ret = modify_irte(devid, index, irte); - if (ret) - return ret; - - /* Setup IOAPIC entry */ - memset(entry, 0, sizeof(*entry)); - - entry->vector = index; - entry->mask = 0; - entry->trigger = attr->trigger; - entry->polarity = attr->polarity; - - /* - * Mask level triggered irqs. - */ - if (attr->trigger) - entry->mask = 1; - - return 0; -} - -static int set_affinity(struct irq_data *data, const struct cpumask *mask, - bool force) -{ - struct irq_2_irte *irte_info; - unsigned int dest, irq; - struct irq_cfg *cfg; - union irte irte; - int err; - - if (!config_enabled(CONFIG_SMP)) - return -1; - - cfg = irqd_cfg(data); - irq = data->irq; - irte_info = &cfg->irq_2_irte; - - if (!cpumask_intersects(mask, cpu_online_mask)) - return -EINVAL; - - if (get_irte(irte_info->devid, irte_info->index, &irte)) - return -EBUSY; - - if (assign_irq_vector(irq, cfg, mask)) - return -EBUSY; - - err = apic->cpu_mask_to_apicid_and(cfg->domain, mask, &dest); - if (err) { - if (assign_irq_vector(irq, cfg, data->affinity)) - pr_err("AMD-Vi: Failed to recover vector for irq %d\n", irq); - return err; - } - - irte.fields.vector = cfg->vector; - irte.fields.destination = dest; - - modify_irte(irte_info->devid, irte_info->index, irte); - - if (cfg->move_in_progress) - send_cleanup_vector(cfg); - - cpumask_copy(data->affinity, mask); - - return 0; -} - -static int free_irq(int irq) -{ - struct irq_2_irte *irte_info; - struct irq_cfg *cfg; - - cfg = irq_cfg(irq); - if (!cfg) - return -EINVAL; - - irte_info = &cfg->irq_2_irte; - - free_irte(irte_info->devid, irte_info->index); - - return 0; -} - static int get_devid(struct irq_alloc_info *info) { int devid = -1; @@ -4258,9 +4117,6 @@ struct irq_remap_ops amd_iommu_irq_ops = { .disable = amd_iommu_disable, .reenable = amd_iommu_reenable, .enable_faulting = amd_iommu_enable_faulting, - .setup_ioapic_entry = setup_ioapic_entry, - .set_affinity = set_affinity, - .free_irq = free_irq, .get_ir_irq_domain = get_ir_irq_domain, .get_irq_domain = get_irq_domain, };