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// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
/*
*
* (C) COPYRIGHT 2020-2021 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#include <mali_kbase.h>
#include "debug/mali_kbase_debug_ktrace_internal.h"
#include "debug/backend/mali_kbase_debug_ktrace_jm.h"
#if KBASE_KTRACE_TARGET_RBUF
void kbasep_ktrace_backend_format_header(char *buffer, int sz, s32 *written)
{
*written += MAX(snprintf(buffer + *written, MAX(sz - *written, 0),
"katom,gpu_addr,jobslot,refcount"), 0);
}
void kbasep_ktrace_backend_format_msg(struct kbase_ktrace_msg *trace_msg,
char *buffer, int sz, s32 *written)
{
/* katom */
if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_JM_ATOM)
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
"atom %d (ud: 0x%llx 0x%llx)",
trace_msg->backend.gpu.atom_number,
trace_msg->backend.gpu.atom_udata[0],
trace_msg->backend.gpu.atom_udata[1]), 0);
/* gpu_addr */
if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_BACKEND)
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
",%.8llx,", trace_msg->backend.gpu.gpu_addr),
0);
else
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
",,"), 0);
/* jobslot */
if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_JM_JOBSLOT)
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
"%d", trace_msg->backend.gpu.jobslot), 0);
*written += MAX(snprintf(buffer + *written, MAX(sz - *written, 0),
","), 0);
/* refcount */
if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_JM_REFCOUNT)
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
"%d", trace_msg->backend.gpu.refcount), 0);
}
void kbasep_ktrace_add_jm(struct kbase_device *kbdev,
enum kbase_ktrace_code code,
struct kbase_context *kctx,
const struct kbase_jd_atom *katom, u64 gpu_addr,
kbase_ktrace_flag_t flags, int refcount, int jobslot,
u64 info_val)
{
unsigned long irqflags;
struct kbase_ktrace_msg *trace_msg;
spin_lock_irqsave(&kbdev->ktrace.lock, irqflags);
/* Reserve and update indices */
trace_msg = kbasep_ktrace_reserve(&kbdev->ktrace);
/* Fill the common part of the message (including backend.gpu.flags) */
kbasep_ktrace_msg_init(&kbdev->ktrace, trace_msg, code, kctx, flags,
info_val);
/* Indicate to the common code that backend-specific parts will be
* valid
*/
trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_BACKEND;
/* Fill the JM-specific parts of the message */
if (katom) {
trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_JM_ATOM;
trace_msg->backend.gpu.atom_number =
kbase_jd_atom_id(katom->kctx, katom);
trace_msg->backend.gpu.atom_udata[0] = katom->udata.blob[0];
trace_msg->backend.gpu.atom_udata[1] = katom->udata.blob[1];
}
trace_msg->backend.gpu.gpu_addr = gpu_addr;
trace_msg->backend.gpu.jobslot = jobslot;
/* Clamp refcount */
trace_msg->backend.gpu.refcount = MIN((unsigned int)refcount, 0xFF);
WARN_ON((trace_msg->backend.gpu.flags & ~KBASE_KTRACE_FLAG_ALL));
/* Done */
spin_unlock_irqrestore(&kbdev->ktrace.lock, irqflags);
}
#endif /* KBASE_KTRACE_TARGET_RBUF */
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