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[80.11.198.90]) by smtp.gmail.com with ESMTPSA id h8sm12749860wmd.2.2016.04.28.01.15.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 28 Apr 2016 01:15:37 -0700 (PDT) From: Eric Auger To: eric.auger@st.com, eric.auger@linaro.org, robin.murphy@arm.com, alex.williamson@redhat.com, will.deacon@arm.com, joro@8bytes.org, tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, christoffer.dall@linaro.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 3/8] iommu: introduce an msi cookie Date: Thu, 28 Apr 2016 08:15:18 +0000 Message-Id: <1461831323-5480-4-git-send-email-eric.auger@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461831323-5480-1-git-send-email-eric.auger@linaro.org> References: <1461831323-5480-1-git-send-email-eric.auger@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160428_011600_650332_0F28E5D4 X-CRM114-Status: GOOD ( 10.94 ) X-Spam-Score: -2.7 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: julien.grall@arm.com, patches@linaro.org, Jean-Philippe.Brucker@arm.com, p.fedin@samsung.com, linux-kernel@vger.kernel.org, Bharat.Bhushan@freescale.com, iommu@lists.linux-foundation.org, pranav.sawargaonkar@gmail.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This opaque pointer will enable to store information about msi iommu mappings. Signed-off-by: Eric Auger --- v7 -> v8: remove spinlock and RB tree v5 -> v6: - initialize reserved_binding_list - use a spinlock instead of a mutex --- include/linux/iommu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index ea5d288..cb8d30a 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -91,6 +91,7 @@ struct iommu_domain { struct iommu_domain_geometry geometry; struct iommu_domain_msi_geometry msi_geometry; void *iova_cookie; + void *msi_cookie; }; enum iommu_cap {