Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752651AbdF1PSY (ORCPT ); Wed, 28 Jun 2017 11:18:24 -0400 Received: from foss.arm.com ([217.140.101.70]:43076 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752150AbdF1PFJ (ORCPT ); Wed, 28 Jun 2017 11:05:09 -0400 From: Marc Zyngier To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu Cc: Christoffer Dall , Thomas Gleixner , Jason Cooper , Eric Auger , Shanker Donthineni , Mark Rutland Subject: [PATCH v2 16/52] irqchip/gic-v3-its: Add VLPI configuration hook Date: Wed, 28 Jun 2017 16:03:35 +0100 Message-Id: <20170628150411.15846-17-marc.zyngier@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170628150411.15846-1-marc.zyngier@arm.com> References: <20170628150411.15846-1-marc.zyngier@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1559 Lines: 60 Add the skeleton irq_set_vcpu_affinity method that will be used to configure VLPIs. Reviewed-by: Eric Auger Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-gic-v3-its.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 25e53958a618..c02e1e6cd169 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -36,6 +36,7 @@ #include #include +#include #include #include @@ -779,6 +780,28 @@ static int its_irq_set_irqchip_state(struct irq_data *d, return 0; } +static int its_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu_info) +{ + struct its_device *its_dev = irq_data_get_irq_chip_data(d); + struct its_cmd_info *info = vcpu_info; + + /* Need a v4 ITS */ + if (!its_dev->its->is_v4 || !info) + return -EINVAL; + + switch (info->cmd_type) { + case MAP_VLPI: + + case GET_VLPI: + + case PROP_UPDATE_VLPI: + case PROP_UPDATE_AND_INV_VLPI: + + default: + return -EINVAL; + } +} + static struct irq_chip its_irq_chip = { .name = "ITS", .irq_mask = its_mask_irq, @@ -787,6 +810,7 @@ static struct irq_chip its_irq_chip = { .irq_set_affinity = its_set_affinity, .irq_compose_msi_msg = its_irq_compose_msi_msg, .irq_set_irqchip_state = its_irq_set_irqchip_state, + .irq_set_vcpu_affinity = its_irq_set_vcpu_affinity, }; /* -- 2.11.0