linux-kernel - [PATCH] firmware: scm: Add stubs for OCMEM and restore_sec_cfg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200103220825.28710-1-krzk@kernel.org>
Date:   Fri,  3 Jan 2020 23:08:25 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Fabio Estevam <festevam@...il.com>,
        Vivek Gautam <vivek.gautam@...eaurora.org>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH] firmware: scm: Add stubs for OCMEM and restore_sec_cfg_available

Add few more stubs (for OCMEM-related functions and
qcom_scm_restore_sec_cfg_available()) in case of !CONFIG_QCOM_SCM.
These are actually not necessary for builds but provide them for
completeness.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 include/linux/qcom_scm.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h
index d05ddac9a57e..2c1d20312ce0 100644
--- a/include/linux/qcom_scm.h
+++ b/include/linux/qcom_scm.h
@@ -105,6 +105,11 @@ static inline bool qcom_scm_is_available(void) { return false; }
 static inline bool qcom_scm_hdcp_available(void) { return false; }
 static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
 				    u32 *resp) { return -ENODEV; }
+static inline bool qcom_scm_ocmem_lock_available(void) { return false; }
+static inline int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset,
+				      u32 size, u32 mode) { return -ENODEV; }
+static inline int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, u32 offset,
+					u32 size) { return -ENODEV; }
 static inline bool qcom_scm_pas_supported(u32 peripheral) { return false; }
 static inline int qcom_scm_pas_init_image(u32 peripheral, const void *metadata,
 					  size_t size) { return -ENODEV; }
@@ -121,6 +126,7 @@ static inline void qcom_scm_cpu_power_down(u32 flags) {}
 static inline u32 qcom_scm_get_version(void) { return 0; }
 static inline u32
 qcom_scm_set_remote_state(u32 state,u32 id) { return -ENODEV; }
+static inline bool qcom_scm_restore_sec_cfg_available(void) { return false; }
 static inline int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare) { return -ENODEV; }
 static inline int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size) { return -ENODEV; }
 static inline int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare) { return -ENODEV; }
-- 
2.17.1