From 09e7b002ff67342364af735f7bbf13b0be1fcdfc Mon Sep 17 00:00:00 2001 From: M Chetan Kumar Date: Sun, 19 Sep 2021 22:57:27 +0530 Subject: net: wwan: iosm: coredump collection support Implements protocol for coredump collection. Signed-off-by: M Chetan Kumar Signed-off-by: David S. Miller --- drivers/net/wwan/iosm/iosm_ipc_coredump.h | 75 +++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 drivers/net/wwan/iosm/iosm_ipc_coredump.h (limited to 'drivers/net/wwan/iosm/iosm_ipc_coredump.h') diff --git a/drivers/net/wwan/iosm/iosm_ipc_coredump.h b/drivers/net/wwan/iosm/iosm_ipc_coredump.h new file mode 100644 index 000000000000..d5028153c8d1 --- /dev/null +++ b/drivers/net/wwan/iosm/iosm_ipc_coredump.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * + * Copyright (C) 2020-2021 Intel Corporation. + */ + +#ifndef _IOSM_IPC_COREDUMP_H_ +#define _IOSM_IPC_COREDUMP_H_ + +#include "iosm_ipc_devlink.h" + +/* Max number of bytes to receive for Coredump list structure */ +#define MAX_CD_LIST_SIZE 0x1000 + +/* Max buffer allocated to receive coredump data */ +#define MAX_DATA_SIZE 0x00010000 + +/* Max number of file entries */ +#define MAX_NOF_ENTRY 256 + +/* Max length */ +#define MAX_SIZE_LEN 32 + +/** + * struct iosm_cd_list_entry - Structure to hold coredump file info. + * @size: Number of bytes for the entry + * @filename: Coredump filename to be generated on host + */ +struct iosm_cd_list_entry { + __le32 size; + char filename[IOSM_MAX_FILENAME_LEN]; +} __packed; + +/** + * struct iosm_cd_list - Structure to hold list of coredump files + * to be collected. + * @num_entries: Number of entries to be received + * @entry: Contains File info + */ +struct iosm_cd_list { + __le32 num_entries; + struct iosm_cd_list_entry entry[MAX_NOF_ENTRY]; +} __packed; + +/** + * struct iosm_cd_table - Common Coredump table + * @version: Version of coredump structure + * @list: Coredump list structure + */ +struct iosm_cd_table { + __le32 version; + struct iosm_cd_list list; +} __packed; + +/** + * ipc_coredump_collect - To collect coredump + * @devlink: Pointer to devlink instance. + * @data: Pointer to snapshot + * @entry: ID of requested snapshot + * @region_size: Region size + * + * Returns: 0 on success, error on failure + */ +int ipc_coredump_collect(struct iosm_devlink *devlink, u8 **data, int entry, + u32 region_size); + +/** + * ipc_coredump_get_list - Get coredump list + * @devlink: Pointer to devlink instance. + * @cmd: RPSI command to be sent + * + * Returns: 0 on success, error on failure + */ +int ipc_coredump_get_list(struct iosm_devlink *devlink, u16 cmd); + +#endif /* _IOSM_IPC_COREDUMP_H_ */ -- cgit v1.2.3-59-g8ed1b