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Commit 033d277a authored by Mohammed Nayeem Ur Rahman's avatar Mohammed Nayeem Ur Rahman
Browse files

adsprpc: Modify Remote scalars call backward compatible 



Add proper remote scalar calls to get TZ security key, which compatible
with all dsp process groups TZ secure channel call.

Change-Id: I89663a50e27cdfb73e2c919235c44ec2643fc159
Acked-by: default avatarTadakamalla Krishnaiah <ktadakam@qti.qualcomm.com>
Signed-off-by: default avatarMohammed Nayeem Ur Rahman <mohara@codeaurora.org>
parent c3fb549e

drivers/char/adsprpc.c

+12 −0
Original line number Diff line number Diff line
@@ -2481,8 +2481,20 @@ static int fastrpc_munmap_on_dsp_rh(struct fastrpc_file *fl, uint64_t phys, 


		VERIFY(err, 0 == (err = fastrpc_internal_invoke(fl,

				FASTRPC_MODE_PARALLEL, 1, &ioctl)));

		if (err == AEE_EUNSUPPORTED) {

			remote_arg_t ra[1];



			pr_warn("ADSPRPC:Failed to get security key with updated remote call, falling back to older method");

			ra[0].buf.pv = (void *)&routargs;

			ra[0].buf.len = sizeof(routargs);

			ioctl.inv.sc = REMOTE_SCALARS_MAKE(7, 0, 1);

			ioctl.inv.pra = ra;

			VERIFY(err, 0 == (err = fastrpc_internal_invoke(fl,

				FASTRPC_MODE_PARALLEL, 1, &ioctl)));

		}

		if (err)

			goto bail;



		desc.args[0] = TZ_PIL_AUTH_QDSP6_PROC;

		desc.args[1] = phys;

		desc.args[2] = size;

drivers/char/adsprpc_shared.h

+4 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -125,6 +125,9 @@ do {\ 
} while (0)

#endif



/* Fall back to older APIS in case API is not supported */

#define AEE_EUNSUPPORTED    20



#define remote_arg64_t    union remote_arg64



struct remote_buf64 {