// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
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/*
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*
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* (C) COPYRIGHT 2020-2022 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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#include <mali_kbase.h>
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#include "debug/mali_kbase_debug_ktrace_internal.h"
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#include "debug/backend/mali_kbase_debug_ktrace_jm.h"
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#if KBASE_KTRACE_TARGET_RBUF
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void kbasep_ktrace_backend_format_header(char *buffer, int sz, s32 *written)
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{
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*written += MAX(snprintf(buffer + *written, MAX(sz - *written, 0),
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"katom,gpu_addr,jobslot,refcount"), 0);
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}
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void kbasep_ktrace_backend_format_msg(struct kbase_ktrace_msg *trace_msg,
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char *buffer, int sz, s32 *written)
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{
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/* katom */
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if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_JM_ATOM)
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*written += MAX(snprintf(buffer + *written,
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MAX(sz - *written, 0),
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"atom %d (ud: 0x%llx 0x%llx)",
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trace_msg->backend.gpu.atom_number,
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trace_msg->backend.gpu.atom_udata[0],
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trace_msg->backend.gpu.atom_udata[1]), 0);
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/* gpu_addr */
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if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_BACKEND)
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*written += MAX(snprintf(buffer + *written,
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MAX(sz - *written, 0),
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",%.8llx,", trace_msg->backend.gpu.gpu_addr),
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0);
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else
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*written += MAX(snprintf(buffer + *written,
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MAX(sz - *written, 0),
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",,"), 0);
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/* jobslot */
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if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_JM_JOBSLOT)
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*written += MAX(snprintf(buffer + *written,
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MAX(sz - *written, 0),
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"%d", trace_msg->backend.gpu.jobslot), 0);
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*written += MAX(snprintf(buffer + *written, MAX(sz - *written, 0),
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","), 0);
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/* refcount */
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if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_JM_REFCOUNT)
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*written += MAX(snprintf(buffer + *written,
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MAX(sz - *written, 0),
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"%d", trace_msg->backend.gpu.refcount), 0);
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}
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void kbasep_ktrace_add_jm(struct kbase_device *kbdev,
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enum kbase_ktrace_code code,
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struct kbase_context *kctx,
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const struct kbase_jd_atom *katom, u64 gpu_addr,
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kbase_ktrace_flag_t flags, int refcount, int jobslot,
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u64 info_val)
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{
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unsigned long irqflags;
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struct kbase_ktrace_msg *trace_msg;
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if (unlikely(!kbasep_ktrace_initialized(&kbdev->ktrace)))
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return;
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spin_lock_irqsave(&kbdev->ktrace.lock, irqflags);
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/* Reserve and update indices */
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trace_msg = kbasep_ktrace_reserve(&kbdev->ktrace);
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/* Fill the common part of the message (including backend.gpu.flags) */
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kbasep_ktrace_msg_init(&kbdev->ktrace, trace_msg, code, kctx, flags,
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info_val);
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/* Indicate to the common code that backend-specific parts will be
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* valid
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*/
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trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_BACKEND;
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/* Fill the JM-specific parts of the message */
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if (katom) {
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trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_JM_ATOM;
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trace_msg->backend.gpu.atom_number =
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kbase_jd_atom_id(katom->kctx, katom);
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trace_msg->backend.gpu.atom_udata[0] = katom->udata.blob[0];
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trace_msg->backend.gpu.atom_udata[1] = katom->udata.blob[1];
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}
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trace_msg->backend.gpu.gpu_addr = gpu_addr;
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trace_msg->backend.gpu.jobslot = jobslot;
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/* Clamp refcount */
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trace_msg->backend.gpu.refcount = MIN((unsigned int)refcount, 0xFF);
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WARN_ON((trace_msg->backend.gpu.flags & ~KBASE_KTRACE_FLAG_ALL));
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/* Done */
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spin_unlock_irqrestore(&kbdev->ktrace.lock, irqflags);
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}
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#endif /* KBASE_KTRACE_TARGET_RBUF */
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