diff options
| author | Peng Fan <peng.fan@nxp.com> | 2020-06-05 04:59:31 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2020-06-23 10:37:56 +0300 |
| commit | 169caf692567897da35382503a5caeb64ab4b8c7 (patch) | |
| tree | 985ef9759dfbb337579796f51cab5b18adaf0f49 /include/linux/firmware | |
| parent | a8dfca1e714fcc8faf3e45453d6e2687db8da727 (diff) | |
| download | linux-169caf692567897da35382503a5caeb64ab4b8c7.tar.xz | |
firmware: imx: add resource management api
Add resource management API, when we have multiple
partition running together, resources not owned to current
partition should not be used.
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'include/linux/firmware')
| -rw-r--r-- | include/linux/firmware/imx/sci.h | 1 | ||||
| -rw-r--r-- | include/linux/firmware/imx/svc/rm.h | 69 |
2 files changed, 70 insertions, 0 deletions
diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h index 3fa418a4ca67..3c459f54a88f 100644 --- a/include/linux/firmware/imx/sci.h +++ b/include/linux/firmware/imx/sci.h @@ -14,6 +14,7 @@ #include <linux/firmware/imx/svc/misc.h> #include <linux/firmware/imx/svc/pm.h> +#include <linux/firmware/imx/svc/rm.h> int imx_scu_enable_general_irq_channel(struct device *dev); int imx_scu_irq_register_notifier(struct notifier_block *nb); diff --git a/include/linux/firmware/imx/svc/rm.h b/include/linux/firmware/imx/svc/rm.h new file mode 100644 index 000000000000..456b6a59d29b --- /dev/null +++ b/include/linux/firmware/imx/svc/rm.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright 2017-2020 NXP + * + * Header file containing the public API for the System Controller (SC) + * Resource Management (RM) function. This includes functions for + * partitioning resources, pads, and memory regions. + * + * RM_SVC (SVC) Resource Management Service + * + * Module for the Resource Management (RM) service. + */ + +#ifndef _SC_RM_API_H +#define _SC_RM_API_H + +#include <linux/firmware/imx/sci.h> + +/* + * This type is used to indicate RPC RM function calls. + */ +enum imx_sc_rm_func { + IMX_SC_RM_FUNC_UNKNOWN = 0, + IMX_SC_RM_FUNC_PARTITION_ALLOC = 1, + IMX_SC_RM_FUNC_SET_CONFIDENTIAL = 31, + IMX_SC_RM_FUNC_PARTITION_FREE = 2, + IMX_SC_RM_FUNC_GET_DID = 26, + IMX_SC_RM_FUNC_PARTITION_STATIC = 3, + IMX_SC_RM_FUNC_PARTITION_LOCK = 4, + IMX_SC_RM_FUNC_GET_PARTITION = 5, + IMX_SC_RM_FUNC_SET_PARENT = 6, + IMX_SC_RM_FUNC_MOVE_ALL = 7, + IMX_SC_RM_FUNC_ASSIGN_RESOURCE = 8, + IMX_SC_RM_FUNC_SET_RESOURCE_MOVABLE = 9, + IMX_SC_RM_FUNC_SET_SUBSYS_RSRC_MOVABLE = 28, + IMX_SC_RM_FUNC_SET_MASTER_ATTRIBUTES = 10, + IMX_SC_RM_FUNC_SET_MASTER_SID = 11, + IMX_SC_RM_FUNC_SET_PERIPHERAL_PERMISSIONS = 12, + IMX_SC_RM_FUNC_IS_RESOURCE_OWNED = 13, + IMX_SC_RM_FUNC_GET_RESOURCE_OWNER = 33, + IMX_SC_RM_FUNC_IS_RESOURCE_MASTER = 14, + IMX_SC_RM_FUNC_IS_RESOURCE_PERIPHERAL = 15, + IMX_SC_RM_FUNC_GET_RESOURCE_INFO = 16, + IMX_SC_RM_FUNC_MEMREG_ALLOC = 17, + IMX_SC_RM_FUNC_MEMREG_SPLIT = 29, + IMX_SC_RM_FUNC_MEMREG_FRAG = 32, + IMX_SC_RM_FUNC_MEMREG_FREE = 18, + IMX_SC_RM_FUNC_FIND_MEMREG = 30, + IMX_SC_RM_FUNC_ASSIGN_MEMREG = 19, + IMX_SC_RM_FUNC_SET_MEMREG_PERMISSIONS = 20, + IMX_SC_RM_FUNC_IS_MEMREG_OWNED = 21, + IMX_SC_RM_FUNC_GET_MEMREG_INFO = 22, + IMX_SC_RM_FUNC_ASSIGN_PAD = 23, + IMX_SC_RM_FUNC_SET_PAD_MOVABLE = 24, + IMX_SC_RM_FUNC_IS_PAD_OWNED = 25, + IMX_SC_RM_FUNC_DUMP = 27, +}; + +#if IS_ENABLED(CONFIG_IMX_SCU) +bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource); +#else +static inline bool +imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource) +{ + return true; +} +#endif +#endif |