diff mbox series

[v2,1/3] soc: mediatek: add SMC fid table for SIP interface

Message ID 1558946326-13630-2-git-send-email-neal.liu@mediatek.com (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show
Series MediaTek Security random number generator support | expand

Commit Message

Neal Liu May 27, 2019, 8:38 a.m. UTC 
1. Add a header file to provide SIP interface to ARM Trusted
Firmware(ATF)
2. Add hwrng SMC fid

Signed-off-by: Neal Liu <neal.liu@mediatek.com>
---
 include/linux/soc/mediatek/mtk_sip_svc.h |   51 ++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h

Comments

Sean Wang May 30, 2019, 10:50 p.m. UTC | #1 
Hi Neal,

On Mon, May 27, 2019 at 1:39 AM Neal Liu <neal.liu@mediatek.com> wrote:
>
> 1. Add a header file to provide SIP interface to ARM Trusted
> Firmware(ATF)
> 2. Add hwrng SMC fid
>
> Signed-off-by: Neal Liu <neal.liu@mediatek.com>
> ---
>  include/linux/soc/mediatek/mtk_sip_svc.h |   51 ++++++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h
>
> diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h
> new file mode 100644
> index 0000000..f65d403
> --- /dev/null
> +++ b/include/linux/soc/mediatek/mtk_sip_svc.h
> @@ -0,0 +1,51 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (c) 2019 MediaTek Inc.
> + */
> +
> +#ifndef _MTK_SECURE_API_H_
> +#define _MTK_SECURE_API_H_
> +
> +#include <linux/kernel.h>
> +
> +/* Error Code */
> +#define SIP_SVC_E_SUCCESS                      0
> +#define SIP_SVC_E_NOT_SUPPORTED                        -1
> +#define SIP_SVC_E_INVALID_PARAMS               -2
> +#define SIP_SVC_E_INVALID_RANGE                        -3
> +#define SIP_SVC_E_PERMISSION_DENY              -4
> +
> +#ifdef CONFIG_ARM64
> +#define MTK_SIP_SMC_AARCH_BIT                  0x40000000

#define MTK_SIP_SMC_AARCH_BIT                  BIT(30)

> +#else
> +#define MTK_SIP_SMC_AARCH_BIT                  0x00000000

#define MTK_SIP_SMC_AARCH_BIT                  0

> +#endif
> +
> +/*******************************************************************************
> + * Defines for Mediatek runtime services func ids
> + ******************************************************************************/

It would be good if remove the trivial and below all unused comments.

> +
> +/* Debug feature and ATF related SMC call */
> +
> +/* CPU operations related SMC call */
> +
> +/* SPM related SMC call */
> +
> +/* Low power related SMC call */
> +
> +/* AMMS related SMC call */
> +
> +/* Security related SMC call */
> +/* HWRNG */
> +#define MTK_SIP_KERNEL_GET_RND \
> +       (0x82000206 | MTK_SIP_SMC_AARCH_BIT)
> +
> +/* Storage Encryption related SMC call */
> +
> +/* Platform related SMC call */
> +
> +/* Pheripheral related SMC call */
> +
> +/* MM related SMC call */
> +
> +#endif /* _MTK_SECURE_API_H_ */
> --
> 1.7.9.5
>
Neal Liu June 3, 2019, 2:39 a.m. UTC | #2 
Hi Sean,


On Fri, 2019-05-31 at 06:50 +0800, Sean Wang wrote:
> Hi Neal,
> 
> On Mon, May 27, 2019 at 1:39 AM Neal Liu <neal.liu@mediatek.com> wrote:
> >
> > 1. Add a header file to provide SIP interface to ARM Trusted
> > Firmware(ATF)
> > 2. Add hwrng SMC fid
> >
> > Signed-off-by: Neal Liu <neal.liu@mediatek.com>
> > ---
> >  include/linux/soc/mediatek/mtk_sip_svc.h |   51 ++++++++++++++++++++++++++++++
> >  1 file changed, 51 insertions(+)
> >  create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h
> >
> > diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h
> > new file mode 100644
> > index 0000000..f65d403
> > --- /dev/null
> > +++ b/include/linux/soc/mediatek/mtk_sip_svc.h
> > @@ -0,0 +1,51 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +/*
> > + * Copyright (c) 2019 MediaTek Inc.
> > + */
> > +
> > +#ifndef _MTK_SECURE_API_H_
> > +#define _MTK_SECURE_API_H_
> > +
> > +#include <linux/kernel.h>
> > +
> > +/* Error Code */
> > +#define SIP_SVC_E_SUCCESS                      0
> > +#define SIP_SVC_E_NOT_SUPPORTED                        -1
> > +#define SIP_SVC_E_INVALID_PARAMS               -2
> > +#define SIP_SVC_E_INVALID_RANGE                        -3
> > +#define SIP_SVC_E_PERMISSION_DENY              -4
> > +
> > +#ifdef CONFIG_ARM64
> > +#define MTK_SIP_SMC_AARCH_BIT                  0x40000000
> 
> #define MTK_SIP_SMC_AARCH_BIT                  BIT(30)
> 
> > +#else
> > +#define MTK_SIP_SMC_AARCH_BIT                  0x00000000
> 
> #define MTK_SIP_SMC_AARCH_BIT                  0
> 
> > +#endif
> > +
> > +/*******************************************************************************
> > + * Defines for Mediatek runtime services func ids
> > + ******************************************************************************/
> 
> It would be good if remove the trivial and below all unused comments.

Okay, I'll keep the necessary parts, thanks

> 
> > +
> > +/* Debug feature and ATF related SMC call */
> > +
> > +/* CPU operations related SMC call */
> > +
> > +/* SPM related SMC call */
> > +
> > +/* Low power related SMC call */
> > +
> > +/* AMMS related SMC call */
> > +
> > +/* Security related SMC call */
> > +/* HWRNG */
> > +#define MTK_SIP_KERNEL_GET_RND \
> > +       (0x82000206 | MTK_SIP_SMC_AARCH_BIT)
> > +
> > +/* Storage Encryption related SMC call */
> > +
> > +/* Platform related SMC call */
> > +
> > +/* Pheripheral related SMC call */
> > +
> > +/* MM related SMC call */
> > +
> > +#endif /* _MTK_SECURE_API_H_ */
> > --
> > 1.7.9.5
> >
> 
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
diff mbox series

Patch

diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h
new file mode 100644
index 0000000..f65d403
--- /dev/null
+++ b/include/linux/soc/mediatek/mtk_sip_svc.h
@@ -0,0 +1,51 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ */
+
+#ifndef _MTK_SECURE_API_H_
+#define _MTK_SECURE_API_H_
+
+#include <linux/kernel.h>
+
+/* Error Code */
+#define SIP_SVC_E_SUCCESS			0
+#define SIP_SVC_E_NOT_SUPPORTED			-1
+#define SIP_SVC_E_INVALID_PARAMS		-2
+#define SIP_SVC_E_INVALID_RANGE			-3
+#define SIP_SVC_E_PERMISSION_DENY		-4
+
+#ifdef CONFIG_ARM64
+#define MTK_SIP_SMC_AARCH_BIT			0x40000000
+#else
+#define MTK_SIP_SMC_AARCH_BIT			0x00000000
+#endif
+
+/*******************************************************************************
+ * Defines for Mediatek runtime services func ids
+ ******************************************************************************/
+
+/* Debug feature and ATF related SMC call */
+
+/* CPU operations related SMC call */
+
+/* SPM related SMC call */
+
+/* Low power related SMC call */
+
+/* AMMS related SMC call */
+
+/* Security related SMC call */
+/* HWRNG */
+#define MTK_SIP_KERNEL_GET_RND \
+	(0x82000206 | MTK_SIP_SMC_AARCH_BIT)
+
+/* Storage Encryption related SMC call */
+
+/* Platform related SMC call */
+
+/* Pheripheral related SMC call */
+
+/* MM related SMC call */
+
+#endif /* _MTK_SECURE_API_H_ */