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Commit f229afbc authored by Manoj Prabhu B's avatar Manoj Prabhu B
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diag: Configure diag over STM for APPS by HW ACCEL command 



Extend support to configure diag over STM using HW ACCEL command
for APPS.

Change-Id: Ifd9bf9867e910e9df4e1b6bddd94012c82f2be4f
Signed-off-by: default avatarManoj Prabhu B <bmanoj@codeaurora.org>
parent 84b56d3a

drivers/char/diag/diagfwd.h

+3 −1
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

/* Copyright (c) 2008-2019, The Linux Foundation. All rights reserved.

/* Copyright (c) 2008-2020, The Linux Foundation. All rights reserved.

 */



#ifndef DIAGFWD_H
@@ -44,4 +44,6 @@ void diag_update_pkt_buffer(unsigned char *buf, uint32_t len, int type); 
int diag_process_stm_cmd(unsigned char *buf, unsigned char *dest_buf);

void diag_md_hdlc_reset_timer_func(struct timer_list *tlist);

void diag_update_md_clients(unsigned int type);

void diag_process_stm_mask(uint8_t cmd, uint8_t data_mask,

	int data_type);

#endif

drivers/char/diag/diagfwd_cntl.c

+10 −1
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/* Copyright (c) 2011-2019, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2020, The Linux Foundation. All rights reserved.

 */



#include <linux/slab.h>
@@ -1894,12 +1894,18 @@ int diag_send_passthru_ctrl_pkt(struct diag_hw_accel_cmd_req_t *req_params) 
			pr_err("diag: Unable to send PASSTHRU ctrl packet to peripheral %d, err: %d\n",

				i, err);

	}

	if ((diagid_mask & DIAG_ID_APPS) &&

		(hw_accel_type == DIAG_HW_ACCEL_TYPE_STM)) {

		diag_process_stm_mask(req_params->operation,

			DIAG_STM_APPS, APPS_DATA);

	}

	return 0;

}



int diagfwd_cntl_init(void)

{

	uint8_t peripheral = 0;

	uint32_t diagid_mask = 0;



	driver->polling_reg_flag = 0;

	driver->log_on_demand_support = 1;
@@ -1920,6 +1926,9 @@ int diagfwd_cntl_init(void) 
	if (!driver->cntl_wq)

		return -ENOMEM;



	diagid_mask = (BITMASK_DIAGID_FMASK | BITMASK_HW_ACCEL_STM_V1);

	process_diagid_v2_feature_mask(DIAG_ID_APPS, diagid_mask);



	return 0;

}

drivers/char/diag/diagfwd_cntl.h

+5 −1
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

/* Copyright (c) 2011-2019, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2020, The Linux Foundation. All rights reserved.

 */



#ifndef DIAGFWD_CNTL_H
@@ -91,6 +91,10 @@ 
#define MAX_DIAGID_STR_LEN	30

#define MIN_DIAGID_STR_LEN	5



#define BITMASK_DIAGID_FMASK		0x0001

#define BITMASK_HW_ACCEL_STM_V1		0x0002

#define BITMASK_HW_ACCEL_ATB_V1		0x0004



struct diag_ctrl_pkt_header_t {

	uint32_t pkt_id;

	uint32_t len;