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misc: fastrpc: check before loading process to the DSP

Reject session if DSP domain is secure, device node is non-secure and signed PD is requested. Secure device node can access DSP without any restriction. Unsigned PD offload is only allowed for the DSP domain that can support unsigned offloading.

Jeya R committed 4 years ago

Commit 7f1f4811 parent 3abe3ab2 files · +50 −0Browse files

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include/uapi/misc/fastrpc.h+17−0
@@ -46,6 +46,23 @@ enum fastrpc_map_flags { · 45 unmodified lines
4646 FASTRPC_MAP_MAX,
4747 };
4848
49+enum fastrpc_proc_attr {
50+ /* Macro for Debug attr */
51+ FASTRPC_MODE_DEBUG = (1 << 0),
52+ /* Macro for Ptrace */
53+ FASTRPC_MODE_PTRACE = (1 << 1),
54+ /* Macro for CRC Check */
55+ FASTRPC_MODE_CRC = (1 << 2),
56+ /* Macro for Unsigned PD */
57+ FASTRPC_MODE_UNSIGNED_MODULE = (1 << 3),
58+ /* Macro for Adaptive QoS */
59+ FASTRPC_MODE_ADAPTIVE_QOS = (1 << 4),
60+ /* Macro for System Process */
61+ FASTRPC_MODE_SYSTEM_PROCESS = (1 << 5),
62+ /* Macro for Prvileged Process */
63+ FASTRPC_MODE_PRIVILEGED = (1 << 6),
64+};
65+
4966 struct fastrpc_invoke_args {
5067 __u64 ptr;
5168 __u64 length;