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From:   viktor.barna@celeno.com
To:     linux-wireless@vger.kernel.org
Cc:     Kalle Valo <kvalo@codeaurora.org>,
        "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Aviad Brikman <aviad.brikman@celeno.com>,
        Eliav Farber <eliav.farber@gmail.com>,
        Oleksandr Savchenko <oleksandr.savchenko@celeno.com>,
        Shay Bar <shay.bar@celeno.com>,
        Viktor Barna <viktor.barna@celeno.com>
Subject: [RFC v1 049/256] cl8k: add coredump.h
Date:   Thu, 17 Jun 2021 15:58:56 +0000
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From: Viktor Barna <viktor.barna@celeno.com>

(Part of the split. Please, take a look at the cover letter for more
details).

Signed-off-by: Viktor Barna <viktor.barna@celeno.com>
---
 drivers/net/wireless/celeno/cl8k/coredump.h | 76 +++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 drivers/net/wireless/celeno/cl8k/coredump.h

diff --git a/drivers/net/wireless/celeno/cl8k/coredump.h b/drivers/net/wire=
less/celeno/cl8k/coredump.h
new file mode 100644
index 000000000000..d24f97b8f5de
--- /dev/null
+++ b/drivers/net/wireless/celeno/cl8k/coredump.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright(c) 2019-2021, Celeno Communications Ltd. */
+
+#ifndef CL_COREDUMP_H
+#define CL_COREDUMP_H
+
+#include "hw.h"
+
+#define CL_COREDUMP_V1 1
+#define CL_COREDUMP_MAGIC_LEN 16
+
+struct cl_coredump {
+       char magic[CL_COREDUMP_MAGIC_LEN];
+       __le32 len;
+
+       /* 28 bits of self sizes + 4 bits of CL_COREDUMP_V* indicators */
+       __le32 self_version;
+
+       /* timings */
+       __le64 trig_tv_sec;
+       __le64 trig_tv_nsec;
+
+       /* dump info */
+       __le32 dump_mask;
+
+       u8 reserved[256];
+
+       /* Consists of multiple NLEV elements */
+       u8 data[];
+} __packed;
+
+/* NLEV - Name-Length-Error-Value element */
+struct cl_nlev {
+       char n[CL_COREDUMP_MAGIC_LEN];
+       __le32 l;
+       __le32 e;
+       u8 v[];
+} __packed;
+
+#ifdef CONFIG_CL_DEBUGFS
+
+int cl_coredump_trigger(struct cl_hw *cl_hw);
+bool cl_coredump_recovery(struct cl_hw *cl_hw, int reason);
+bool cl_coredump_is_scheduled(struct cl_hw *cl_hw);
+void cl_coredump_reset_trace(struct cl_hw *cl_hw);
+void cl_coredump_init(struct cl_hw *cl_hw, struct dentry *dir_drv);
+void cl_coredump_close(struct cl_hw *cl_hw);
+
+#else
+
+static inline int cl_coredump_trigger(struct cl_hw *cl_hw)
+{
+       return 0;
+}
+
+static inline bool cl_coredump_recovery(struct cl_hw *cl_hw, int reason)
+{
+       return false;
+}
+
+static inline bool cl_coredump_is_scheduled(struct cl_hw *cl_hw)
+{
+       return false;
+}
+
+static inline void cl_coredump_reset_trace(struct cl_hw *cl_hw)
+{}
+
+static inline void cl_coredump_init(struct cl_hw *cl_hw, struct dentry *di=
r_drv)
+{}
+
+static inline void cl_coredump_close(struct cl_hw *cl_hw)
+{}
+#endif /* CONFIG_CL_DEBUGFS */
+
+#endif /* CL_COREDUMP_H */
--
2.30.0

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