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gerrit.nordix.org / codeaurora / quic / qsdk / wifi / qca-wifi-oss / 1d925bafba6ff1760020787a3b39c9aa3bb15f81 / . / wmi_unified.c
blob: 4fc6b9b97e32c440546b31a3c66d12c1c9b3ac18 [file] [log] [blame]
/*
* Copyright (c) 2015-2018 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Host WMI unified implementation
*/
#include "htc_api.h"
#include "htc_api.h"
#include "wmi_unified_priv.h"
#include "wmi_unified_api.h"
#include "qdf_module.h"
#ifdef WMI_EXT_DBG
#include "qdf_list.h"
#endif
#ifndef WMI_NON_TLV_SUPPORT
#include "wmi_tlv_helper.h"
#endif
#include <linux/debugfs.h>
#ifdef WMI_EXT_DBG
/**
* wmi_ext_dbg_msg_enqueue() - enqueue wmi message
*
* @wmi_handle: wmi handler
*
* Return: size of wmi message queue after enqueue
*/
static uint32_t wmi_ext_dbg_msg_enqueue(struct wmi_unified *wmi_handle,
struct wmi_ext_dbg_msg *msg)
{
uint32_t list_size;
qdf_spinlock_acquire(&wmi_handle->wmi_ext_dbg_msg_queue_lock);
qdf_list_insert_back_size(&wmi_handle->wmi_ext_dbg_msg_queue,
&msg->node, &list_size);
qdf_spinlock_release(&wmi_handle->wmi_ext_dbg_msg_queue_lock);
return list_size;
}
/**
* wmi_ext_dbg_msg_dequeue() - dequeue wmi message
*
* @wmi_handle: wmi handler
*
* Return: wmi msg on success else NULL
*/
static struct wmi_ext_dbg_msg *wmi_ext_dbg_msg_dequeue(struct wmi_unified
*wmi_handle)
{
qdf_list_node_t *list_node = NULL;
qdf_spinlock_acquire(&wmi_handle->wmi_ext_dbg_msg_queue_lock);
qdf_list_remove_front(&wmi_handle->wmi_ext_dbg_msg_queue, &list_node);
qdf_spinlock_release(&wmi_handle->wmi_ext_dbg_msg_queue_lock);
if (!list_node)
return NULL;
return qdf_container_of(list_node, struct wmi_ext_dbg_msg, node);
}
/**
* wmi_ext_dbg_msg_record() - record wmi messages
*
* @wmi_handle: wmi handler
* @buf: wmi message buffer
* @len: wmi message length
* @type: wmi message type
*
* Return: QDF_STATUS_SUCCESS on successful recording else failure.
*/
static QDF_STATUS wmi_ext_dbg_msg_record(struct wmi_unified *wmi_handle,
uint8_t *buf, uint32_t len,
enum WMI_MSG_TYPE type)
{
struct wmi_ext_dbg_msg *msg;
uint32_t list_size;
msg = wmi_ext_dbg_msg_get(len);
if (!msg)
return QDF_STATUS_E_NOMEM;
msg->len = len;
msg->type = type;
qdf_mem_copy(msg->buf, buf, len);
msg->ts = qdf_get_log_timestamp();
list_size = wmi_ext_dbg_msg_enqueue(wmi_handle, msg);
if (list_size >= wmi_handle->wmi_ext_dbg_msg_queue_size) {
msg = wmi_ext_dbg_msg_dequeue(wmi_handle);
wmi_ext_dbg_msg_put(msg);
}
return QDF_STATUS_SUCCESS;
}
/**
* wmi_ext_dbg_msg_cmd_record() - record wmi command messages
*
* @wmi_handle: wmi handler
* @buf: wmi command buffer
* @len: wmi command message length
*
* Return: QDF_STATUS_SUCCESS on successful recording else failure.
*/
static QDF_STATUS wmi_ext_dbg_msg_cmd_record(struct wmi_unified *wmi_handle,
uint8_t *buf, uint32_t len)
{
return wmi_ext_dbg_msg_record(wmi_handle, buf, len,
WMI_MSG_TYPE_CMD);
}
/**
* wmi_ext_dbg_msg_event_record() - record wmi event messages
*
* @wmi_handle: wmi handler
* @buf: wmi event buffer
* @len: wmi event message length
*
* Return: QDF_STATUS_SUCCESS on successful recording else failure.
*/
static QDF_STATUS wmi_ext_dbg_msg_event_record(struct wmi_unified *wmi_handle,
uint8_t *buf, uint32_t len)
{
uint32_t id;
id = WMI_GET_FIELD(buf, WMI_CMD_HDR, COMMANDID);
if (id != wmi_handle->wmi_events[wmi_diag_event_id])
return wmi_ext_dbg_msg_record(wmi_handle, buf, len,
WMI_MSG_TYPE_EVENT);
return QDF_STATUS_SUCCESS;
}
/**
* wmi_ext_dbg_msg_queue_init() - create debugfs queue and associated lock
*
* @wmi_handle: wmi handler
*
* Return: none
*/
static void wmi_ext_dbg_msg_queue_init(struct wmi_unified *wmi_handle)
{
qdf_list_create(&wmi_handle->wmi_ext_dbg_msg_queue,
wmi_handle->wmi_ext_dbg_msg_queue_size);
qdf_spinlock_create(&wmi_handle->wmi_ext_dbg_msg_queue_lock);
}
/**
* wmi_ext_dbg_msg_queue_deinit() - destroy debugfs queue and associated lock
*
* @wmi_handle: wmi handler
*
* Return: none
*/
static void wmi_ext_dbg_msg_queue_deinit(struct wmi_unified *wmi_handle)
{
qdf_list_destroy(&wmi_handle->wmi_ext_dbg_msg_queue);
qdf_spinlock_destroy(&wmi_handle->wmi_ext_dbg_msg_queue_lock);
}
/**
* wmi_ext_dbg_msg_show() - debugfs function to display whole content of
* wmi command/event messages including headers.
*
* @file: qdf debugfs file handler
* @arg: pointer to wmi handler
*
* Return: QDF_STATUS_SUCCESS if all the messages are shown successfully,
* else QDF_STATUS_E_AGAIN if more data to show.
*/
static QDF_STATUS wmi_ext_dbg_msg_show(qdf_debugfs_file_t file, void *arg)
{
struct wmi_unified *wmi_handle = (struct wmi_unified *)arg;
struct wmi_ext_dbg_msg *msg;
uint64_t secs, usecs;
msg = wmi_ext_dbg_msg_dequeue(wmi_handle);
if (!msg)
return QDF_STATUS_SUCCESS;
qdf_debugfs_printf(file, "%s: 0x%x\n",
msg->type == WMI_MSG_TYPE_CMD ? "COMMAND" :
"EVENT", WMI_GET_FIELD(msg->buf, WMI_CMD_HDR,
COMMANDID));
qdf_log_timestamp_to_secs(msg->ts, &secs, &usecs);
qdf_debugfs_printf(file, "Time: %llu.%llu\n", secs, usecs);
qdf_debugfs_printf(file, "Length:%d\n", msg->len);
qdf_debugfs_hexdump(file, msg->buf, msg->len,
WMI_EXT_DBG_DUMP_ROW_SIZE,
WMI_EXT_DBG_DUMP_GROUP_SIZE);
qdf_debugfs_printf(file, "\n");
if (qdf_debugfs_overflow(file)) {
qdf_spinlock_acquire(&wmi_handle->wmi_ext_dbg_msg_queue_lock);
qdf_list_insert_front(&wmi_handle->wmi_ext_dbg_msg_queue,
&msg->node);
qdf_spinlock_release(&wmi_handle->wmi_ext_dbg_msg_queue_lock);
} else {
wmi_ext_dbg_msg_put(msg);
}
return QDF_STATUS_E_AGAIN;
}
/**
* wmi_ext_dbg_msg_write() - debugfs write not supported
*
* @priv: private data
* @buf: received data buffer
* @len: length of received buffer
*
* Return: QDF_STATUS_E_NOSUPPORT.
*/
static QDF_STATUS wmi_ext_dbg_msg_write(void *priv, const char *buf,
qdf_size_t len)
{
return QDF_STATUS_E_NOSUPPORT;
}
static struct qdf_debugfs_fops wmi_ext_dbgfs_ops = {
.show = wmi_ext_dbg_msg_show,
.write = wmi_ext_dbg_msg_write,
.priv = NULL,
};
/**
* wmi_ext_debugfs_init() - init debugfs items for extended wmi dump.
*
* @wmi_handle: wmi handler
*
* Return: QDF_STATUS_SUCCESS if debugfs is initialized else
* QDF_STATUS_E_FAILURE
*/
static QDF_STATUS wmi_ext_dbgfs_init(struct wmi_unified *wmi_handle)
{
qdf_dentry_t dentry;
dentry = qdf_debugfs_create_dir(WMI_EXT_DBG_DIR, NULL);
if (!dentry) {
WMI_LOGE("error while creating extended wmi debugfs dir");
return QDF_STATUS_E_FAILURE;
}
wmi_ext_dbgfs_ops.priv = wmi_handle;
if (!qdf_debugfs_create_file(WMI_EXT_DBG_FILE, WMI_EXT_DBG_FILE_PERM,
dentry, &wmi_ext_dbgfs_ops)) {
qdf_debugfs_remove_dir(dentry);
WMI_LOGE("error while creating extended wmi debugfs file");
return QDF_STATUS_E_FAILURE;
}
wmi_handle->wmi_ext_dbg_dentry = dentry;
wmi_handle->wmi_ext_dbg_msg_queue_size = WMI_EXT_DBG_QUEUE_SIZE;
wmi_ext_dbg_msg_queue_init(wmi_handle);
return QDF_STATUS_SUCCESS;
}
/**
* wmi_ext_debugfs_deinit() - cleanup/deinit debugfs items of extended wmi dump.
*
* @wmi_handle: wmi handler
*
* Return: QDF_STATUS_SUCCESS if cleanup is successful
*/
static QDF_STATUS wmi_ext_dbgfs_deinit(struct wmi_unified *wmi_handle)
{
struct wmi_ext_dbg_msg *msg;
while ((msg = wmi_ext_dbg_msg_dequeue(wmi_handle)))
wmi_ext_dbg_msg_put(msg);
wmi_ext_dbg_msg_queue_deinit(wmi_handle);
qdf_debugfs_remove_dir_recursive(wmi_handle->wmi_ext_dbg_dentry);
return QDF_STATUS_SUCCESS;
}
#endif /*WMI_EXT_DBG */
/* This check for CONFIG_WIN temporary added due to redeclaration compilation
error in MCL. Error is caused due to inclusion of wmi.h in wmi_unified_api.h
which gets included here through ol_if_athvar.h. Eventually it is expected that
wmi.h will be removed from wmi_unified_api.h after cleanup, which will need
WMI_CMD_HDR to be defined here. */
#ifdef CONFIG_WIN
/* Copied from wmi.h */
#undef MS
#define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
#undef SM
#define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
#undef WO
#define WO(_f) ((_f##_OFFSET) >> 2)
#undef GET_FIELD
#define GET_FIELD(_addr, _f) MS(*((uint32_t *)(_addr) + WO(_f)), _f)
#undef SET_FIELD
#define SET_FIELD(_addr, _f, _val) \
(*((uint32_t *)(_addr) + WO(_f)) = \
(*((uint32_t *)(_addr) + WO(_f)) & ~_f##_MASK) | SM(_val, _f))
#define WMI_GET_FIELD(_msg_buf, _msg_type, _f) \
GET_FIELD(_msg_buf, _msg_type ## _ ## _f)
#define WMI_SET_FIELD(_msg_buf, _msg_type, _f, _val) \
SET_FIELD(_msg_buf, _msg_type ## _ ## _f, _val)
#define WMI_EP_APASS 0x0
#define WMI_EP_LPASS 0x1
#define WMI_EP_SENSOR 0x2
/*
* * Control Path
* */
typedef PREPACK struct {
uint32_t commandId:24,
reserved:2, /* used for WMI endpoint ID */
plt_priv:6; /* platform private */
} POSTPACK WMI_CMD_HDR; /* used for commands and events */
#define WMI_CMD_HDR_COMMANDID_LSB 0
#define WMI_CMD_HDR_COMMANDID_MASK 0x00ffffff
#define WMI_CMD_HDR_COMMANDID_OFFSET 0x00000000
#define WMI_CMD_HDR_WMI_ENDPOINTID_MASK 0x03000000
#define WMI_CMD_HDR_WMI_ENDPOINTID_OFFSET 24
#define WMI_CMD_HDR_PLT_PRIV_LSB 24
#define WMI_CMD_HDR_PLT_PRIV_MASK 0xff000000
#define WMI_CMD_HDR_PLT_PRIV_OFFSET 0x00000000
/* end of copy wmi.h */
#endif /* CONFIG_WIN */
#define WMI_MIN_HEAD_ROOM 64
/* WBUFF pool sizes for WMI */
/* Allocation of size 256 bytes */
#define WMI_WBUFF_POOL_0_SIZE 128
/* Allocation of size 512 bytes */
#define WMI_WBUFF_POOL_1_SIZE 16
/* Allocation of size 1024 bytes */
#define WMI_WBUFF_POOL_2_SIZE 8
/* Allocation of size 2048 bytes */
#define WMI_WBUFF_POOL_3_SIZE 8
#ifdef WMI_INTERFACE_EVENT_LOGGING
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0))
/* TODO Cleanup this backported function */
static int wmi_bp_seq_printf(struct seq_file *m, const char *f, ...)
{
va_list args;
va_start(args, f);
seq_vprintf(m, f, args);
va_end(args);
return 0;
}
#else
#define wmi_bp_seq_printf(m, fmt, ...) seq_printf((m), fmt, ##__VA_ARGS__)
#endif
#ifndef MAX_WMI_INSTANCES
#define CUSTOM_MGMT_CMD_DATA_SIZE 4
#endif
#ifdef CONFIG_MCL
/* WMI commands */
uint32_t g_wmi_command_buf_idx = 0;
struct wmi_command_debug wmi_command_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY];
/* WMI commands TX completed */
uint32_t g_wmi_command_tx_cmp_buf_idx = 0;
struct wmi_command_debug
wmi_command_tx_cmp_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY];
/* WMI events when processed */
uint32_t g_wmi_event_buf_idx = 0;
struct wmi_event_debug wmi_event_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY];
/* WMI events when queued */
uint32_t g_wmi_rx_event_buf_idx = 0;
struct wmi_event_debug wmi_rx_event_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY];
#endif
#define WMI_COMMAND_RECORD(h, a, b) { \
if (wmi_log_max_entry <= \
*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx)) \
*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx) = 0;\
((struct wmi_command_debug *)h->log_info.wmi_command_log_buf_info.buf)\
[*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx)]\
.command = a; \
qdf_mem_copy(((struct wmi_command_debug *)h->log_info. \
wmi_command_log_buf_info.buf) \
[*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx)].data,\
b, wmi_record_max_length); \
((struct wmi_command_debug *)h->log_info.wmi_command_log_buf_info.buf)\
[*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx)].\
time = qdf_get_log_timestamp(); \
(*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx))++; \
h->log_info.wmi_command_log_buf_info.length++; \
}
#define WMI_COMMAND_TX_CMP_RECORD(h, a, b) { \
if (wmi_log_max_entry <= \
*(h->log_info.wmi_command_tx_cmp_log_buf_info.p_buf_tail_idx))\
*(h->log_info.wmi_command_tx_cmp_log_buf_info. \
p_buf_tail_idx) = 0; \
((struct wmi_command_debug *)h->log_info. \
wmi_command_tx_cmp_log_buf_info.buf) \
[*(h->log_info.wmi_command_tx_cmp_log_buf_info. \
p_buf_tail_idx)]. \
command = a; \
qdf_mem_copy(((struct wmi_command_debug *)h->log_info. \
wmi_command_tx_cmp_log_buf_info.buf) \
[*(h->log_info.wmi_command_tx_cmp_log_buf_info. \
p_buf_tail_idx)]. \
data, b, wmi_record_max_length); \
((struct wmi_command_debug *)h->log_info. \
wmi_command_tx_cmp_log_buf_info.buf) \
[*(h->log_info.wmi_command_tx_cmp_log_buf_info. \
p_buf_tail_idx)]. \
time = qdf_get_log_timestamp(); \
(*(h->log_info.wmi_command_tx_cmp_log_buf_info.p_buf_tail_idx))++;\
h->log_info.wmi_command_tx_cmp_log_buf_info.length++; \
}
#define WMI_EVENT_RECORD(h, a, b) { \
if (wmi_log_max_entry <= \
*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx)) \
*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx) = 0;\
((struct wmi_event_debug *)h->log_info.wmi_event_log_buf_info.buf)\
[*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx)]. \
event = a; \
qdf_mem_copy(((struct wmi_event_debug *)h->log_info. \
wmi_event_log_buf_info.buf) \
[*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx)].data, b,\
wmi_record_max_length); \
((struct wmi_event_debug *)h->log_info.wmi_event_log_buf_info.buf)\
[*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx)].time =\
qdf_get_log_timestamp(); \
(*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx))++; \
h->log_info.wmi_event_log_buf_info.length++; \
}
#define WMI_RX_EVENT_RECORD(h, a, b) { \
if (wmi_log_max_entry <= \
*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx))\
*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx) = 0;\
((struct wmi_event_debug *)h->log_info.wmi_rx_event_log_buf_info.buf)\
[*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx)].\
event = a; \
qdf_mem_copy(((struct wmi_event_debug *)h->log_info. \
wmi_rx_event_log_buf_info.buf) \
[*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx)].\
data, b, wmi_record_max_length); \
((struct wmi_event_debug *)h->log_info.wmi_rx_event_log_buf_info.buf)\
[*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx)].\
time = qdf_get_log_timestamp(); \
(*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx))++; \
h->log_info.wmi_rx_event_log_buf_info.length++; \
}
#ifdef CONFIG_MCL
uint32_t g_wmi_mgmt_command_buf_idx = 0;
struct
wmi_command_debug wmi_mgmt_command_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY];
/* wmi_mgmt commands TX completed */
uint32_t g_wmi_mgmt_command_tx_cmp_buf_idx = 0;
struct wmi_command_debug
wmi_mgmt_command_tx_cmp_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY];
/* wmi_mgmt events when received */
uint32_t g_wmi_mgmt_rx_event_buf_idx = 0;
struct wmi_event_debug
wmi_mgmt_rx_event_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY];
/* wmi_diag events when received */
uint32_t g_wmi_diag_rx_event_buf_idx = 0;
struct wmi_event_debug
wmi_diag_rx_event_log_buffer[WMI_DIAG_RX_EVENT_DEBUG_MAX_ENTRY];
#endif
#define WMI_MGMT_COMMAND_RECORD(h, a, b) { \
if (wmi_mgmt_log_max_entry <= \
*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx)) \
*(h->log_info.wmi_mgmt_command_log_buf_info. \
p_buf_tail_idx) = 0; \
((struct wmi_command_debug *)h->log_info. \
wmi_mgmt_command_log_buf_info.buf) \
[*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx)].\
command = a; \
qdf_mem_copy(((struct wmi_command_debug *)h->log_info. \
wmi_mgmt_command_log_buf_info.buf) \
[*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx)].\
data, b, \
wmi_record_max_length); \
((struct wmi_command_debug *)h->log_info. \
wmi_mgmt_command_log_buf_info.buf) \
[*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx)].\
time = qdf_get_log_timestamp(); \
(*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx))++;\
h->log_info.wmi_mgmt_command_log_buf_info.length++; \
}
#define WMI_MGMT_COMMAND_TX_CMP_RECORD(h, a, b) { \
if (wmi_mgmt_log_max_entry <= \
*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \
p_buf_tail_idx)) \
*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \
p_buf_tail_idx) = 0; \
((struct wmi_command_debug *)h->log_info. \
wmi_mgmt_command_tx_cmp_log_buf_info.buf) \
[*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \
p_buf_tail_idx)].command = a; \
qdf_mem_copy(((struct wmi_command_debug *)h->log_info. \
wmi_mgmt_command_tx_cmp_log_buf_info.buf)\
[*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \
p_buf_tail_idx)].data, b, \
wmi_record_max_length); \
((struct wmi_command_debug *)h->log_info. \
wmi_mgmt_command_tx_cmp_log_buf_info.buf) \
[*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \
p_buf_tail_idx)].time = \
qdf_get_log_timestamp(); \
(*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \
p_buf_tail_idx))++; \
h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info.length++; \
}
#define WMI_MGMT_RX_EVENT_RECORD(h, a, b) do { \
if (wmi_mgmt_log_max_entry <= \
*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx))\
*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx) = 0;\
((struct wmi_event_debug *)h->log_info.wmi_mgmt_event_log_buf_info.buf)\
[*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx)]\
.event = a; \
qdf_mem_copy(((struct wmi_event_debug *)h->log_info. \
wmi_mgmt_event_log_buf_info.buf) \
[*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx)].\
data, b, wmi_record_max_length); \
((struct wmi_event_debug *)h->log_info.wmi_mgmt_event_log_buf_info.buf)\
[*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx)].\
time = qdf_get_log_timestamp(); \
(*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx))++; \
h->log_info.wmi_mgmt_event_log_buf_info.length++; \
} while (0);
#define WMI_DIAG_RX_EVENT_RECORD(h, a, b) do { \
if (wmi_mgmt_log_max_entry <= \
*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx))\
*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx) = 0;\
((struct wmi_event_debug *)h->log_info.wmi_diag_event_log_buf_info.buf)\
[*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx)]\
.event = a; \
qdf_mem_copy(((struct wmi_event_debug *)h->log_info. \
wmi_diag_event_log_buf_info.buf) \
[*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx)].\
data, b, wmi_record_max_length); \
((struct wmi_event_debug *)h->log_info.wmi_diag_event_log_buf_info.buf)\
[*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx)].\
time = qdf_get_log_timestamp(); \
(*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx))++; \
h->log_info.wmi_diag_event_log_buf_info.length++; \
} while (0);
/* These are defined to made it as module param, which can be configured */
uint32_t wmi_log_max_entry = WMI_EVENT_DEBUG_MAX_ENTRY;
uint32_t wmi_mgmt_log_max_entry = WMI_MGMT_EVENT_DEBUG_MAX_ENTRY;
uint32_t wmi_diag_log_max_entry = WMI_DIAG_RX_EVENT_DEBUG_MAX_ENTRY;
uint32_t wmi_record_max_length = WMI_EVENT_DEBUG_ENTRY_MAX_LENGTH;
uint32_t wmi_display_size = 100;
/**
* wmi_log_init() - Initialize WMI event logging
* @wmi_handle: WMI handle.
*
* Return: Initialization status
*/
#ifdef CONFIG_MCL
static QDF_STATUS wmi_log_init(struct wmi_unified *wmi_handle)
{
struct wmi_log_buf_t *cmd_log_buf =
&wmi_handle->log_info.wmi_command_log_buf_info;
struct wmi_log_buf_t *cmd_tx_cmpl_log_buf =
&wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info;
struct wmi_log_buf_t *event_log_buf =
&wmi_handle->log_info.wmi_event_log_buf_info;
struct wmi_log_buf_t *rx_event_log_buf =
&wmi_handle->log_info.wmi_rx_event_log_buf_info;
struct wmi_log_buf_t *mgmt_cmd_log_buf =
&wmi_handle->log_info.wmi_mgmt_command_log_buf_info;
struct wmi_log_buf_t *mgmt_cmd_tx_cmp_log_buf =
&wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info;
struct wmi_log_buf_t *mgmt_event_log_buf =
&wmi_handle->log_info.wmi_mgmt_event_log_buf_info;
struct wmi_log_buf_t *diag_event_log_buf =
&wmi_handle->log_info.wmi_diag_event_log_buf_info;
/* WMI commands */
cmd_log_buf->length = 0;
cmd_log_buf->buf_tail_idx = 0;
cmd_log_buf->buf = wmi_command_log_buffer;
cmd_log_buf->p_buf_tail_idx = &g_wmi_command_buf_idx;
cmd_log_buf->size = WMI_EVENT_DEBUG_MAX_ENTRY;
/* WMI commands TX completed */
cmd_tx_cmpl_log_buf->length = 0;
cmd_tx_cmpl_log_buf->buf_tail_idx = 0;
cmd_tx_cmpl_log_buf->buf = wmi_command_tx_cmp_log_buffer;
cmd_tx_cmpl_log_buf->p_buf_tail_idx = &g_wmi_command_tx_cmp_buf_idx;
cmd_tx_cmpl_log_buf->size = WMI_EVENT_DEBUG_MAX_ENTRY;
/* WMI events when processed */
event_log_buf->length = 0;
event_log_buf->buf_tail_idx = 0;
event_log_buf->buf = wmi_event_log_buffer;
event_log_buf->p_buf_tail_idx = &g_wmi_event_buf_idx;
event_log_buf->size = WMI_EVENT_DEBUG_MAX_ENTRY;
/* WMI events when queued */
rx_event_log_buf->length = 0;
rx_event_log_buf->buf_tail_idx = 0;
rx_event_log_buf->buf = wmi_rx_event_log_buffer;
rx_event_log_buf->p_buf_tail_idx = &g_wmi_rx_event_buf_idx;
rx_event_log_buf->size = WMI_EVENT_DEBUG_MAX_ENTRY;
/* WMI Management commands */
mgmt_cmd_log_buf->length = 0;
mgmt_cmd_log_buf->buf_tail_idx = 0;
mgmt_cmd_log_buf->buf = wmi_mgmt_command_log_buffer;
mgmt_cmd_log_buf->p_buf_tail_idx = &g_wmi_mgmt_command_buf_idx;
mgmt_cmd_log_buf->size = WMI_MGMT_EVENT_DEBUG_MAX_ENTRY;
/* WMI Management commands Tx completed*/
mgmt_cmd_tx_cmp_log_buf->length = 0;
mgmt_cmd_tx_cmp_log_buf->buf_tail_idx = 0;
mgmt_cmd_tx_cmp_log_buf->buf = wmi_mgmt_command_tx_cmp_log_buffer;
mgmt_cmd_tx_cmp_log_buf->p_buf_tail_idx =
&g_wmi_mgmt_command_tx_cmp_buf_idx;
mgmt_cmd_tx_cmp_log_buf->size = WMI_MGMT_EVENT_DEBUG_MAX_ENTRY;
/* WMI Management events when received */
mgmt_event_log_buf->length = 0;
mgmt_event_log_buf->buf_tail_idx = 0;
mgmt_event_log_buf->buf = wmi_mgmt_rx_event_log_buffer;
mgmt_event_log_buf->p_buf_tail_idx = &g_wmi_mgmt_rx_event_buf_idx;
mgmt_event_log_buf->size = WMI_MGMT_EVENT_DEBUG_MAX_ENTRY;
/* WMI diag events when received */
diag_event_log_buf->length = 0;
diag_event_log_buf->buf_tail_idx = 0;
diag_event_log_buf->buf = wmi_diag_rx_event_log_buffer;
diag_event_log_buf->p_buf_tail_idx = &g_wmi_diag_rx_event_buf_idx;
diag_event_log_buf->size = WMI_DIAG_RX_EVENT_DEBUG_MAX_ENTRY;
qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock);
wmi_handle->log_info.wmi_logging_enable = 1;
return QDF_STATUS_SUCCESS;
}
#else
static QDF_STATUS wmi_log_init(struct wmi_unified *wmi_handle)
{
struct wmi_log_buf_t *cmd_log_buf =
&wmi_handle->log_info.wmi_command_log_buf_info;
struct wmi_log_buf_t *cmd_tx_cmpl_log_buf =
&wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info;
struct wmi_log_buf_t *event_log_buf =
&wmi_handle->log_info.wmi_event_log_buf_info;
struct wmi_log_buf_t *rx_event_log_buf =
&wmi_handle->log_info.wmi_rx_event_log_buf_info;
struct wmi_log_buf_t *mgmt_cmd_log_buf =
&wmi_handle->log_info.wmi_mgmt_command_log_buf_info;
struct wmi_log_buf_t *mgmt_cmd_tx_cmp_log_buf =
&wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info;
struct wmi_log_buf_t *mgmt_event_log_buf =
&wmi_handle->log_info.wmi_mgmt_event_log_buf_info;
struct wmi_log_buf_t *diag_event_log_buf =
&wmi_handle->log_info.wmi_diag_event_log_buf_info;
wmi_handle->log_info.wmi_logging_enable = 0;
/* WMI commands */
cmd_log_buf->length = 0;
cmd_log_buf->buf_tail_idx = 0;
cmd_log_buf->buf = (struct wmi_command_debug *) qdf_mem_malloc(
wmi_log_max_entry * sizeof(struct wmi_command_debug));
cmd_log_buf->size = wmi_log_max_entry;
if (!cmd_log_buf->buf) {
WMI_LOGE("no memory for WMI command log buffer..");
return QDF_STATUS_E_NOMEM;
}
cmd_log_buf->p_buf_tail_idx = &cmd_log_buf->buf_tail_idx;
/* WMI commands TX completed */
cmd_tx_cmpl_log_buf->length = 0;
cmd_tx_cmpl_log_buf->buf_tail_idx = 0;
cmd_tx_cmpl_log_buf->buf = (struct wmi_command_debug *) qdf_mem_malloc(
wmi_log_max_entry * sizeof(struct wmi_command_debug));
cmd_tx_cmpl_log_buf->size = wmi_log_max_entry;
if (!cmd_tx_cmpl_log_buf->buf) {
WMI_LOGE("no memory for WMI Command Tx Complete log buffer..");
return QDF_STATUS_E_NOMEM;
}
cmd_tx_cmpl_log_buf->p_buf_tail_idx =
&cmd_tx_cmpl_log_buf->buf_tail_idx;
/* WMI events when processed */
event_log_buf->length = 0;
event_log_buf->buf_tail_idx = 0;
event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc(
wmi_log_max_entry * sizeof(struct wmi_event_debug));
event_log_buf->size = wmi_log_max_entry;
if (!event_log_buf->buf) {
WMI_LOGE("no memory for WMI Event log buffer..");
return QDF_STATUS_E_NOMEM;
}
event_log_buf->p_buf_tail_idx = &event_log_buf->buf_tail_idx;
/* WMI events when queued */
rx_event_log_buf->length = 0;
rx_event_log_buf->buf_tail_idx = 0;
rx_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc(
wmi_log_max_entry * sizeof(struct wmi_event_debug));
rx_event_log_buf->size = wmi_log_max_entry;
if (!rx_event_log_buf->buf) {
WMI_LOGE("no memory for WMI Event Rx log buffer..");
return QDF_STATUS_E_NOMEM;
}
rx_event_log_buf->p_buf_tail_idx = &rx_event_log_buf->buf_tail_idx;
/* WMI Management commands */
mgmt_cmd_log_buf->length = 0;
mgmt_cmd_log_buf->buf_tail_idx = 0;
mgmt_cmd_log_buf->buf = (struct wmi_command_debug *) qdf_mem_malloc(
wmi_mgmt_log_max_entry * sizeof(struct wmi_command_debug));
mgmt_cmd_log_buf->size = wmi_mgmt_log_max_entry;
if (!mgmt_cmd_log_buf->buf) {
WMI_LOGE("no memory for WMI Management Command log buffer..");
return QDF_STATUS_E_NOMEM;
}
mgmt_cmd_log_buf->p_buf_tail_idx = &mgmt_cmd_log_buf->buf_tail_idx;
/* WMI Management commands Tx completed*/
mgmt_cmd_tx_cmp_log_buf->length = 0;
mgmt_cmd_tx_cmp_log_buf->buf_tail_idx = 0;
mgmt_cmd_tx_cmp_log_buf->buf = (struct wmi_command_debug *)
qdf_mem_malloc(
wmi_mgmt_log_max_entry *
sizeof(struct wmi_command_debug));
mgmt_cmd_tx_cmp_log_buf->size = wmi_mgmt_log_max_entry;
if (!mgmt_cmd_tx_cmp_log_buf->buf) {
WMI_LOGE("no memory for WMI Management Command Tx complete log buffer..");
return QDF_STATUS_E_NOMEM;
}
mgmt_cmd_tx_cmp_log_buf->p_buf_tail_idx =
&mgmt_cmd_tx_cmp_log_buf->buf_tail_idx;
/* WMI Management events when received */
mgmt_event_log_buf->length = 0;
mgmt_event_log_buf->buf_tail_idx = 0;
mgmt_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc(
wmi_mgmt_log_max_entry *
sizeof(struct wmi_event_debug));
mgmt_event_log_buf->size = wmi_mgmt_log_max_entry;
if (!mgmt_event_log_buf->buf) {
WMI_LOGE("no memory for WMI Management Event log buffer..");
return QDF_STATUS_E_NOMEM;
}
mgmt_event_log_buf->p_buf_tail_idx = &mgmt_event_log_buf->buf_tail_idx;
/* WMI diag events when received */
diag_event_log_buf->length = 0;
diag_event_log_buf->buf_tail_idx = 0;
diag_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc(
wmi_diag_log_max_entry *
sizeof(struct wmi_event_debug));
diag_event_log_buf->size = wmi_diag_log_max_entry;
if (!diag_event_log_buf->buf) {
qdf_print("no memory for WMI diag event log buffer..\n");
return QDF_STATUS_E_NOMEM;
}
diag_event_log_buf->p_buf_tail_idx = &diag_event_log_buf->buf_tail_idx;
qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock);
wmi_handle->log_info.wmi_logging_enable = 1;
return QDF_STATUS_SUCCESS;
}
#endif
/**
* wmi_log_buffer_free() - Free all dynamic allocated buffer memory for
* event logging
* @wmi_handle: WMI handle.
*
* Return: None
*/
#ifndef CONFIG_MCL
static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle)
{
if (wmi_handle->log_info.wmi_command_log_buf_info.buf)
qdf_mem_free(wmi_handle->log_info.wmi_command_log_buf_info.buf);
if (wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info.buf)
qdf_mem_free(
wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info.buf);
if (wmi_handle->log_info.wmi_event_log_buf_info.buf)
qdf_mem_free(wmi_handle->log_info.wmi_event_log_buf_info.buf);
if (wmi_handle->log_info.wmi_rx_event_log_buf_info.buf)
qdf_mem_free(
wmi_handle->log_info.wmi_rx_event_log_buf_info.buf);
if (wmi_handle->log_info.wmi_mgmt_command_log_buf_info.buf)
qdf_mem_free(
wmi_handle->log_info.wmi_mgmt_command_log_buf_info.buf);
if (wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info.buf)
qdf_mem_free(
wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info.buf);
if (wmi_handle->log_info.wmi_mgmt_event_log_buf_info.buf)
qdf_mem_free(
wmi_handle->log_info.wmi_mgmt_event_log_buf_info.buf);
if (wmi_handle->log_info.wmi_diag_event_log_buf_info.buf)
qdf_mem_free(
wmi_handle->log_info.wmi_diag_event_log_buf_info.buf);
wmi_handle->log_info.wmi_logging_enable = 0;
qdf_spinlock_destroy(&wmi_handle->log_info.wmi_record_lock);
}
#else
static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle)
{
/* Do Nothing */
}
#endif
/**
* wmi_print_cmd_log_buffer() - an output agnostic wmi command log printer
* @log_buffer: the command log buffer metadata of the buffer to print
* @count: the maximum number of entries to print
* @print: an abstract print method, e.g. a qdf_print() or seq_printf() wrapper
* @print_priv: any data required by the print method, e.g. a file handle
*
* Return: None
*/
static void
wmi_print_cmd_log_buffer(struct wmi_log_buf_t *log_buffer, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
static const int data_len =
WMI_EVENT_DEBUG_ENTRY_MAX_LENGTH / sizeof(uint32_t);
char str[128];
uint32_t idx;
if (count > log_buffer->size)
count = log_buffer->size;
if (count > log_buffer->length)
count = log_buffer->length;
/* subtract count from index, and wrap if necessary */
idx = log_buffer->size + *log_buffer->p_buf_tail_idx - count;
idx %= log_buffer->size;
print(print_priv, "Time (seconds) Cmd Id Payload");
while (count) {
struct wmi_command_debug *cmd_log = (struct wmi_command_debug *)
&((struct wmi_command_debug *)log_buffer->buf)[idx];
uint64_t secs, usecs;
int len = 0;
int i;
qdf_log_timestamp_to_secs(cmd_log->time, &secs, &usecs);
len += scnprintf(str + len, sizeof(str) - len,
"% 8lld.%06lld %6u (0x%06x) ",
secs, usecs,
cmd_log->command, cmd_log->command);
for (i = 0; i < data_len; ++i) {
len += scnprintf(str + len, sizeof(str) - len,
"0x%08x ", cmd_log->data[i]);
}
print(print_priv, str);
--count;
++idx;
if (idx >= log_buffer->size)
idx = 0;
}
}
/**
* wmi_print_event_log_buffer() - an output agnostic wmi event log printer
* @log_buffer: the event log buffer metadata of the buffer to print
* @count: the maximum number of entries to print
* @print: an abstract print method, e.g. a qdf_print() or seq_printf() wrapper
* @print_priv: any data required by the print method, e.g. a file handle
*
* Return: None
*/
static void
wmi_print_event_log_buffer(struct wmi_log_buf_t *log_buffer, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
static const int data_len =
WMI_EVENT_DEBUG_ENTRY_MAX_LENGTH / sizeof(uint32_t);
char str[128];
uint32_t idx;
if (count > log_buffer->size)
count = log_buffer->size;
if (count > log_buffer->length)
count = log_buffer->length;
/* subtract count from index, and wrap if necessary */
idx = log_buffer->size + *log_buffer->p_buf_tail_idx - count;
idx %= log_buffer->size;
print(print_priv, "Time (seconds) Event Id Payload");
while (count) {
struct wmi_event_debug *event_log = (struct wmi_event_debug *)
&((struct wmi_event_debug *)log_buffer->buf)[idx];
uint64_t secs, usecs;
int len = 0;
int i;
qdf_log_timestamp_to_secs(event_log->time, &secs, &usecs);
len += scnprintf(str + len, sizeof(str) - len,
"% 8lld.%06lld %6u (0x%06x) ",
secs, usecs,
event_log->event, event_log->event);
for (i = 0; i < data_len; ++i) {
len += scnprintf(str + len, sizeof(str) - len,
"0x%08x ", event_log->data[i]);
}
print(print_priv, str);
--count;
++idx;
if (idx >= log_buffer->size)
idx = 0;
}
}
inline void
wmi_print_cmd_log(wmi_unified_t wmi, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
wmi_print_cmd_log_buffer(
&wmi->log_info.wmi_command_log_buf_info,
count, print, print_priv);
}
inline void
wmi_print_cmd_tx_cmp_log(wmi_unified_t wmi, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
wmi_print_cmd_log_buffer(
&wmi->log_info.wmi_command_tx_cmp_log_buf_info,
count, print, print_priv);
}
inline void
wmi_print_mgmt_cmd_log(wmi_unified_t wmi, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
wmi_print_cmd_log_buffer(
&wmi->log_info.wmi_mgmt_command_log_buf_info,
count, print, print_priv);
}
inline void
wmi_print_mgmt_cmd_tx_cmp_log(wmi_unified_t wmi, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
wmi_print_cmd_log_buffer(
&wmi->log_info.wmi_mgmt_command_tx_cmp_log_buf_info,
count, print, print_priv);
}
inline void
wmi_print_event_log(wmi_unified_t wmi, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
wmi_print_event_log_buffer(
&wmi->log_info.wmi_event_log_buf_info,
count, print, print_priv);
}
inline void
wmi_print_rx_event_log(wmi_unified_t wmi, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
wmi_print_event_log_buffer(
&wmi->log_info.wmi_rx_event_log_buf_info,
count, print, print_priv);
}
inline void
wmi_print_mgmt_event_log(wmi_unified_t wmi, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
wmi_print_event_log_buffer(
&wmi->log_info.wmi_mgmt_event_log_buf_info,
count, print, print_priv);
}
/* debugfs routines*/
/**
* debug_wmi_##func_base##_show() - debugfs functions to display content of
* command and event buffers. Macro uses max buffer length to display
* buffer when it is wraparound.
*
* @m: debugfs handler to access wmi_handle
* @v: Variable arguments (not used)
*
* Return: Length of characters printed
*/
#define GENERATE_COMMAND_DEBUG_SHOW_FUNCS(func_base, wmi_ring_size) \
static int debug_wmi_##func_base##_show(struct seq_file *m, \
void *v) \
{ \
wmi_unified_t wmi_handle = (wmi_unified_t) m->private; \
struct wmi_log_buf_t *wmi_log = \
&wmi_handle->log_info.wmi_##func_base##_buf_info;\
int pos, nread, outlen; \
int i; \
uint64_t secs, usecs; \
\
qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \
if (!wmi_log->length) { \
qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock);\
return wmi_bp_seq_printf(m, \
"no elements to read from ring buffer!\n"); \
} \
\
if (wmi_log->length <= wmi_ring_size) \
nread = wmi_log->length; \
else \
nread = wmi_ring_size; \
\
if (*(wmi_log->p_buf_tail_idx) == 0) \
/* tail can be 0 after wrap-around */ \
pos = wmi_ring_size - 1; \
else \
pos = *(wmi_log->p_buf_tail_idx) - 1; \
\
outlen = wmi_bp_seq_printf(m, "Length = %d\n", wmi_log->length);\
qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \
while (nread--) { \
struct wmi_command_debug *wmi_record; \
\
wmi_record = (struct wmi_command_debug *) \
&(((struct wmi_command_debug *)wmi_log->buf)[pos]);\
outlen += wmi_bp_seq_printf(m, "CMD ID = %x\n", \
(wmi_record->command)); \
qdf_log_timestamp_to_secs(wmi_record->time, &secs,\
&usecs); \
outlen += \
wmi_bp_seq_printf(m, "CMD TIME = [%llu.%06llu]\n",\
secs, usecs); \
outlen += wmi_bp_seq_printf(m, "CMD = "); \
for (i = 0; i < (wmi_record_max_length/ \
sizeof(uint32_t)); i++) \
outlen += wmi_bp_seq_printf(m, "%x ", \
wmi_record->data[i]); \
outlen += wmi_bp_seq_printf(m, "\n"); \
\
if (pos == 0) \
pos = wmi_ring_size - 1; \
else \
pos--; \
} \
return outlen; \
} \
#define GENERATE_EVENT_DEBUG_SHOW_FUNCS(func_base, wmi_ring_size) \
static int debug_wmi_##func_base##_show(struct seq_file *m, \
void *v) \
{ \
wmi_unified_t wmi_handle = (wmi_unified_t) m->private; \
struct wmi_log_buf_t *wmi_log = \
&wmi_handle->log_info.wmi_##func_base##_buf_info;\
int pos, nread, outlen; \
int i; \
uint64_t secs, usecs; \
\
qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \
if (!wmi_log->length) { \
qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock);\
return wmi_bp_seq_printf(m, \
"no elements to read from ring buffer!\n"); \
} \
\
if (wmi_log->length <= wmi_ring_size) \
nread = wmi_log->length; \
else \
nread = wmi_ring_size; \
\
if (*(wmi_log->p_buf_tail_idx) == 0) \
/* tail can be 0 after wrap-around */ \
pos = wmi_ring_size - 1; \
else \
pos = *(wmi_log->p_buf_tail_idx) - 1; \
\
outlen = wmi_bp_seq_printf(m, "Length = %d\n", wmi_log->length);\
qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \
while (nread--) { \
struct wmi_event_debug *wmi_record; \
\
wmi_record = (struct wmi_event_debug *) \
&(((struct wmi_event_debug *)wmi_log->buf)[pos]);\
qdf_log_timestamp_to_secs(wmi_record->time, &secs,\
&usecs); \
outlen += wmi_bp_seq_printf(m, "Event ID = %x\n",\
(wmi_record->event)); \
outlen += \
wmi_bp_seq_printf(m, "Event TIME = [%llu.%06llu]\n",\
secs, usecs); \
outlen += wmi_bp_seq_printf(m, "CMD = "); \
for (i = 0; i < (wmi_record_max_length/ \
sizeof(uint32_t)); i++) \
outlen += wmi_bp_seq_printf(m, "%x ", \
wmi_record->data[i]); \
outlen += wmi_bp_seq_printf(m, "\n"); \
\
if (pos == 0) \
pos = wmi_ring_size - 1; \
else \
pos--; \
} \
return outlen; \
}
GENERATE_COMMAND_DEBUG_SHOW_FUNCS(command_log, wmi_display_size);
GENERATE_COMMAND_DEBUG_SHOW_FUNCS(command_tx_cmp_log, wmi_display_size);
GENERATE_EVENT_DEBUG_SHOW_FUNCS(event_log, wmi_display_size);
GENERATE_EVENT_DEBUG_SHOW_FUNCS(rx_event_log, wmi_display_size);
GENERATE_COMMAND_DEBUG_SHOW_FUNCS(mgmt_command_log, wmi_display_size);
GENERATE_COMMAND_DEBUG_SHOW_FUNCS(mgmt_command_tx_cmp_log,
wmi_display_size);
GENERATE_EVENT_DEBUG_SHOW_FUNCS(mgmt_event_log, wmi_display_size);
/**
* debug_wmi_enable_show() - debugfs functions to display enable state of
* wmi logging feature.
*
* @m: debugfs handler to access wmi_handle
* @v: Variable arguments (not used)
*
* Return: always 1
*/
static int debug_wmi_enable_show(struct seq_file *m, void *v)
{
wmi_unified_t wmi_handle = (wmi_unified_t) m->private;
return wmi_bp_seq_printf(m, "%d\n",
wmi_handle->log_info.wmi_logging_enable);
}
/**
* debug_wmi_log_size_show() - debugfs functions to display configured size of
* wmi logging command/event buffer and management command/event buffer.
*
* @m: debugfs handler to access wmi_handle
* @v: Variable arguments (not used)
*
* Return: Length of characters printed
*/
static int debug_wmi_log_size_show(struct seq_file *m, void *v)
{
wmi_bp_seq_printf(m, "WMI command/event log max size:%d\n",
wmi_log_max_entry);
return wmi_bp_seq_printf(m,
"WMI management command/events log max size:%d\n",
wmi_mgmt_log_max_entry);
}
/**
* debug_wmi_##func_base##_write() - debugfs functions to clear
* wmi logging command/event buffer and management command/event buffer.
*
* @file: file handler to access wmi_handle
* @buf: received data buffer
* @count: length of received buffer
* @ppos: Not used
*
* Return: count
*/
#define GENERATE_DEBUG_WRITE_FUNCS(func_base, wmi_ring_size, wmi_record_type)\
static ssize_t debug_wmi_##func_base##_write(struct file *file, \
const char __user *buf, \
size_t count, loff_t *ppos) \
{ \
int k, ret; \
wmi_unified_t wmi_handle = \
((struct seq_file *)file->private_data)->private;\
struct wmi_log_buf_t *wmi_log = &wmi_handle->log_info. \
wmi_##func_base##_buf_info; \
char locbuf[50]; \
\
if ((!buf) || (count > 50)) \
return -EFAULT; \
\
if (copy_from_user(locbuf, buf, count)) \
return -EFAULT; \
\
ret = sscanf(locbuf, "%d", &k); \
if ((ret != 1) || (k != 0)) { \
WMI_LOGE("Wrong input, echo 0 to clear the wmi buffer");\
return -EINVAL; \
} \
\
qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \
qdf_mem_zero(wmi_log->buf, wmi_ring_size * \
sizeof(struct wmi_record_type)); \
wmi_log->length = 0; \
*(wmi_log->p_buf_tail_idx) = 0; \
qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \
\
return count; \
}
GENERATE_DEBUG_WRITE_FUNCS(command_log, wmi_log_max_entry,
wmi_command_debug);
GENERATE_DEBUG_WRITE_FUNCS(command_tx_cmp_log, wmi_log_max_entry,
wmi_command_debug);
GENERATE_DEBUG_WRITE_FUNCS(event_log, wmi_log_max_entry,
wmi_event_debug);
GENERATE_DEBUG_WRITE_FUNCS(rx_event_log, wmi_log_max_entry,
wmi_event_debug);
GENERATE_DEBUG_WRITE_FUNCS(mgmt_command_log, wmi_mgmt_log_max_entry,
wmi_command_debug);
GENERATE_DEBUG_WRITE_FUNCS(mgmt_command_tx_cmp_log,
wmi_mgmt_log_max_entry, wmi_command_debug);
GENERATE_DEBUG_WRITE_FUNCS(mgmt_event_log, wmi_mgmt_log_max_entry,
wmi_event_debug);
/**
* debug_wmi_enable_write() - debugfs functions to enable/disable
* wmi logging feature.
*
* @file: file handler to access wmi_handle
* @buf: received data buffer
* @count: length of received buffer
* @ppos: Not used
*
* Return: count
*/
static ssize_t debug_wmi_enable_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
wmi_unified_t wmi_handle =
((struct seq_file *)file->private_data)->private;
int k, ret;
char locbuf[50];
if ((!buf) || (count > 50))
return -EFAULT;
if (copy_from_user(locbuf, buf, count))
return -EFAULT;
ret = sscanf(locbuf, "%d", &k);
if ((ret != 1) || ((k != 0) && (k != 1)))
return -EINVAL;
wmi_handle->log_info.wmi_logging_enable = k;
return count;
}
/**
* debug_wmi_log_size_write() - reserved.
*
* @file: file handler to access wmi_handle
* @buf: received data buffer
* @count: length of received buffer
* @ppos: Not used
*
* Return: count
*/
static ssize_t debug_wmi_log_size_write(struct file *file,
const char __user *buf, size_t count, loff_t *ppos)
{
return -EINVAL;
}
/* Structure to maintain debug information */
struct wmi_debugfs_info {
const char *name;
const struct file_operations *ops;
};
#define DEBUG_FOO(func_base) { .name = #func_base, \
.ops = &debug_##func_base##_ops }
/**
* debug_##func_base##_open() - Open debugfs entry for respective command
* and event buffer.
*
* @inode: node for debug dir entry
* @file: file handler
*
* Return: open status
*/
#define GENERATE_DEBUG_STRUCTS(func_base) \
static int debug_##func_base##_open(struct inode *inode, \
struct file *file) \
{ \
return single_open(file, debug_##func_base##_show, \
inode->i_private); \
} \
\
\
static struct file_operations debug_##func_base##_ops = { \
.open = debug_##func_base##_open, \
.read = seq_read, \
.llseek = seq_lseek, \
.write = debug_##func_base##_write, \
.release = single_release, \
};
GENERATE_DEBUG_STRUCTS(wmi_command_log);
GENERATE_DEBUG_STRUCTS(wmi_command_tx_cmp_log);
GENERATE_DEBUG_STRUCTS(wmi_event_log);
GENERATE_DEBUG_STRUCTS(wmi_rx_event_log);
GENERATE_DEBUG_STRUCTS(wmi_mgmt_command_log);
GENERATE_DEBUG_STRUCTS(wmi_mgmt_command_tx_cmp_log);
GENERATE_DEBUG_STRUCTS(wmi_mgmt_event_log);
GENERATE_DEBUG_STRUCTS(wmi_enable);
GENERATE_DEBUG_STRUCTS(wmi_log_size);
struct wmi_debugfs_info wmi_debugfs_infos[NUM_DEBUG_INFOS] = {
DEBUG_FOO(wmi_command_log),
DEBUG_FOO(wmi_command_tx_cmp_log),
DEBUG_FOO(wmi_event_log),
DEBUG_FOO(wmi_rx_event_log),
DEBUG_FOO(wmi_mgmt_command_log),
DEBUG_FOO(wmi_mgmt_command_tx_cmp_log),
DEBUG_FOO(wmi_mgmt_event_log),
DEBUG_FOO(wmi_enable),
DEBUG_FOO(wmi_log_size),
};
/**
* wmi_debugfs_create() - Create debug_fs entry for wmi logging.
*
* @wmi_handle: wmi handle
* @par_entry: debug directory entry
* @id: Index to debug info data array
*
* Return: none
*/
static void wmi_debugfs_create(wmi_unified_t wmi_handle,
struct dentry *par_entry)
{
int i;
if (!par_entry)
goto out;
for (i = 0; i < NUM_DEBUG_INFOS; ++i) {
wmi_handle->debugfs_de[i] = debugfs_create_file(
wmi_debugfs_infos[i].name, 0644, par_entry,
wmi_handle, wmi_debugfs_infos[i].ops);
if (!wmi_handle->debugfs_de[i]) {
WMI_LOGE("debug Entry creation failed!");
goto out;
}
}
return;
out:
WMI_LOGE("debug Entry creation failed!");
wmi_log_buffer_free(wmi_handle);
return;
}
/**
* wmi_debugfs_remove() - Remove debugfs entry for wmi logging.
* @wmi_handle: wmi handle
* @dentry: debugfs directory entry
* @id: Index to debug info data array
*
* Return: none
*/
static void wmi_debugfs_remove(wmi_unified_t wmi_handle)
{
int i;
struct dentry *dentry = wmi_handle->log_info.wmi_log_debugfs_dir;
if (dentry) {
for (i = 0; i < NUM_DEBUG_INFOS; ++i) {
if (wmi_handle->debugfs_de[i])
wmi_handle->debugfs_de[i] = NULL;
}
}
if (dentry)
debugfs_remove_recursive(dentry);
}
/**
* wmi_debugfs_init() - debugfs functions to create debugfs directory and to
* create debugfs enteries.
*
* @h: wmi handler
*
* Return: init status
*/
static QDF_STATUS wmi_debugfs_init(wmi_unified_t wmi_handle, uint32_t pdev_idx)
{
char buf[32];
snprintf(buf, sizeof(buf), "WMI_SOC%u_PDEV%u",
wmi_handle->soc->soc_idx, pdev_idx);
wmi_handle->log_info.wmi_log_debugfs_dir =
debugfs_create_dir(buf, NULL);
if (!wmi_handle->log_info.wmi_log_debugfs_dir) {
WMI_LOGE("error while creating debugfs dir for %s", buf);
return QDF_STATUS_E_FAILURE;
}
wmi_debugfs_create(wmi_handle,
wmi_handle->log_info.wmi_log_debugfs_dir);
return QDF_STATUS_SUCCESS;
}
/**
* wmi_mgmt_cmd_record() - Wrapper function for mgmt command logging macro
*
* @wmi_handle: wmi handle
* @cmd: mgmt command
* @header: pointer to 802.11 header
* @vdev_id: vdev id
* @chanfreq: channel frequency
*
* Return: none
*/
void wmi_mgmt_cmd_record(wmi_unified_t wmi_handle, uint32_t cmd,
void *header, uint32_t vdev_id, uint32_t chanfreq)
{
uint32_t data[CUSTOM_MGMT_CMD_DATA_SIZE];
data[0] = ((struct wmi_command_header *)header)->type;
data[1] = ((struct wmi_command_header *)header)->sub_type;
data[2] = vdev_id;
data[3] = chanfreq;
qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock);
WMI_MGMT_COMMAND_RECORD(wmi_handle, cmd, (uint8_t *)data);
qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock);
}
#else
/**
* wmi_debugfs_remove() - Remove debugfs entry for wmi logging.
* @wmi_handle: wmi handle
* @dentry: debugfs directory entry
* @id: Index to debug info data array
*
* Return: none
*/
static void wmi_debugfs_remove(wmi_unified_t wmi_handle) { }
void wmi_mgmt_cmd_record(wmi_unified_t wmi_handle, uint32_t cmd,
void *header, uint32_t vdev_id, uint32_t chanfreq) { }
static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle) { }
#endif /*WMI_INTERFACE_EVENT_LOGGING */
qdf_export_symbol(wmi_mgmt_cmd_record);
int wmi_get_host_credits(wmi_unified_t wmi_handle);
/* WMI buffer APIs */
#ifdef NBUF_MEMORY_DEBUG
wmi_buf_t
wmi_buf_alloc_debug(wmi_unified_t wmi_handle, uint32_t len, uint8_t *file_name,
uint32_t line_num)
{
wmi_buf_t wmi_buf;
if (roundup(len + WMI_MIN_HEAD_ROOM, 4) > wmi_handle->max_msg_len) {
QDF_ASSERT(0);
return NULL;
}
wmi_buf = wbuff_buff_get(wmi_handle->wbuff_handle, len, file_name,
line_num);
if (!wmi_buf)
wmi_buf = qdf_nbuf_alloc_debug(NULL,
roundup(len + WMI_MIN_HEAD_ROOM,
4),
WMI_MIN_HEAD_ROOM, 4, false,
file_name, line_num);
if (!wmi_buf)
return NULL;
/* Clear the wmi buffer */
OS_MEMZERO(qdf_nbuf_data(wmi_buf), len);
/*
* Set the length of the buffer to match the allocation size.
*/
qdf_nbuf_set_pktlen(wmi_buf, len);
return wmi_buf;
}
qdf_export_symbol(wmi_buf_alloc_debug);
void wmi_buf_free(wmi_buf_t net_buf)
{
net_buf = wbuff_buff_put(net_buf);
if (net_buf)
qdf_nbuf_free(net_buf);
}
qdf_export_symbol(wmi_buf_free);
#else
wmi_buf_t wmi_buf_alloc_fl(wmi_unified_t wmi_handle, uint32_t len,
const char *func, uint32_t line)
{
wmi_buf_t wmi_buf;
if (roundup(len + WMI_MIN_HEAD_ROOM, 4) > wmi_handle->max_msg_len) {
wmi_nofl_err("%s:%d, Invalid len:%d", func, line, len);
QDF_DEBUG_PANIC();
return NULL;
}
wmi_buf = wbuff_buff_get(wmi_handle->wbuff_handle, len, __FILE__,
__LINE__);
if (!wmi_buf)
wmi_buf = qdf_nbuf_alloc_fl(NULL, roundup(len +
WMI_MIN_HEAD_ROOM, 4), WMI_MIN_HEAD_ROOM, 4,
false, func, line);
if (!wmi_buf)
return NULL;
/* Clear the wmi buffer */
OS_MEMZERO(qdf_nbuf_data(wmi_buf), len);
/*
* Set the length of the buffer to match the allocation size.
*/
qdf_nbuf_set_pktlen(wmi_buf, len);
return wmi_buf;
}
qdf_export_symbol(wmi_buf_alloc_fl);
void wmi_buf_free(wmi_buf_t net_buf)
{
net_buf = wbuff_buff_put(net_buf);
if (net_buf)
qdf_nbuf_free(net_buf);
}
qdf_export_symbol(wmi_buf_free);
#endif
/**
* wmi_get_max_msg_len() - get maximum WMI message length
* @wmi_handle: WMI handle.
*
* This function returns the maximum WMI message length
*
* Return: maximum WMI message length
*/
uint16_t wmi_get_max_msg_len(wmi_unified_t wmi_handle)
{
return wmi_handle->max_msg_len - WMI_MIN_HEAD_ROOM;
}
qdf_export_symbol(wmi_get_max_msg_len);
#ifndef WMI_CMD_STRINGS
static uint8_t *wmi_id_to_name(uint32_t wmi_command)
{
return "Invalid WMI cmd";
}
#endif
#ifdef CONFIG_MCL
static inline void wmi_log_cmd_id(uint32_t cmd_id, uint32_t tag)
{
WMI_LOGD("Send WMI command:%s command_id:%d htc_tag:%d\n",
wmi_id_to_name(cmd_id), cmd_id, tag);
}
/**
* wmi_is_pm_resume_cmd() - check if a cmd is part of the resume sequence
* @cmd_id: command to check
*
* Return: true if the command is part of the resume sequence.
*/
static bool wmi_is_pm_resume_cmd(uint32_t cmd_id)
{
switch (cmd_id) {
case WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID:
case WMI_PDEV_RESUME_CMDID:
return true;
default:
return false;
}
}
#else
static bool wmi_is_pm_resume_cmd(uint32_t cmd_id)
{
return false;
}
#endif
QDF_STATUS wmi_unified_cmd_send_fl(wmi_unified_t wmi_handle, wmi_buf_t buf,
uint32_t len, uint32_t cmd_id,
const char *func, uint32_t line)
{
HTC_PACKET *pkt;
QDF_STATUS status;
uint16_t htc_tag = 0;
if (wmi_get_runtime_pm_inprogress(wmi_handle)) {
htc_tag =
(uint16_t)wmi_handle->ops->wmi_set_htc_tx_tag(
wmi_handle, buf, cmd_id);
} else if (qdf_atomic_read(&wmi_handle->is_target_suspended) &&
(!wmi_is_pm_resume_cmd(cmd_id))) {
wmi_nofl_err("%s:%d, Target is suspended", func, line);
QDF_DEBUG_PANIC();
return QDF_STATUS_E_BUSY;
}
if (wmi_handle->wmi_stopinprogress) {
wmi_nofl_err("%s:%d, WMI stop in progress", func, line);
return QDF_STATUS_E_INVAL;
}
#ifndef WMI_NON_TLV_SUPPORT
/* Do sanity check on the TLV parameter structure */
if (wmi_handle->target_type == WMI_TLV_TARGET) {
void *buf_ptr = (void *)qdf_nbuf_data(buf);
if (wmi_handle->ops->wmi_check_command_params(NULL, buf_ptr, len, cmd_id)
!= 0) {
wmi_nofl_err("%s:%d, Invalid WMI Param Buffer for Cmd:%d",
func, line, cmd_id);
return QDF_STATUS_E_INVAL;
}
}
#endif
if (qdf_nbuf_push_head(buf, sizeof(WMI_CMD_HDR)) == NULL) {
wmi_nofl_err("%s:%d, Failed to send cmd %x, no memory",
func, line, cmd_id);
return QDF_STATUS_E_NOMEM;
}
qdf_mem_zero(qdf_nbuf_data(buf), sizeof(WMI_CMD_HDR));
WMI_SET_FIELD(qdf_nbuf_data(buf), WMI_CMD_HDR, COMMANDID, cmd_id);
qdf_atomic_inc(&wmi_handle->pending_cmds);
if (qdf_atomic_read(&wmi_handle->pending_cmds) >=
wmi_handle->wmi_max_cmds) {
wmi_nofl_err("hostcredits = %d",
wmi_get_host_credits(wmi_handle));
htc_dump_counter_info(wmi_handle->htc_handle);
qdf_atomic_dec(&wmi_handle->pending_cmds);
wmi_nofl_err("%s:%d, MAX %d WMI Pending cmds reached",
func, line, wmi_handle->wmi_max_cmds);
QDF_BUG(0);
return QDF_STATUS_E_BUSY;
}
pkt = qdf_mem_malloc_fl(sizeof(*pkt), func, line);
if (!pkt) {
qdf_atomic_dec(&wmi_handle->pending_cmds);
return QDF_STATUS_E_NOMEM;
}
SET_HTC_PACKET_INFO_TX(pkt,
NULL,
qdf_nbuf_data(buf), len + sizeof(WMI_CMD_HDR),
wmi_handle->wmi_endpoint_id, htc_tag);
SET_HTC_PACKET_NET_BUF_CONTEXT(pkt, buf);
#ifdef CONFIG_MCL
wmi_log_cmd_id(cmd_id, htc_tag);
#endif
wmi_ext_dbg_msg_cmd_record(wmi_handle,
qdf_nbuf_data(buf), qdf_nbuf_len(buf));
#ifdef WMI_INTERFACE_EVENT_LOGGING
if (wmi_handle->log_info.wmi_logging_enable) {
qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock);
/*
* Record 16 bytes of WMI cmd data -
* exclude TLV and WMI headers
*
* WMI mgmt command already recorded in wmi_mgmt_cmd_record
*/
if (wmi_handle->ops->is_management_record(cmd_id) == false) {
WMI_COMMAND_RECORD(wmi_handle, cmd_id,
qdf_nbuf_data(buf) +
wmi_handle->soc->buf_offset_command);
}
qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock);
}
#endif
status = htc_send_pkt(wmi_handle->htc_handle, pkt);
if (QDF_STATUS_SUCCESS != status) {
qdf_atomic_dec(&wmi_handle->pending_cmds);
wmi_nofl_err("%s:%d, htc_send_pkt failed, status:%d",
func, line, status);
qdf_mem_free(pkt);
return status;
}
return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(wmi_unified_cmd_send_fl);
/**
* wmi_unified_get_event_handler_ix() - gives event handler's index
* @wmi_handle: handle to wmi
* @event_id: wmi event id
*
* Return: event handler's index
*/
static int wmi_unified_get_event_handler_ix(wmi_unified_t wmi_handle,
uint32_t event_id)
{
uint32_t idx = 0;
int32_t invalid_idx = -1;
struct wmi_soc *soc = wmi_handle->soc;
for (idx = 0; (idx < soc->max_event_idx &&
idx < WMI_UNIFIED_MAX_EVENT); ++idx) {
if (wmi_handle->event_id[idx] == event_id &&
wmi_handle->event_handler[idx] != NULL) {
return idx;
}
}
return invalid_idx;
}
/**
* wmi_unified_register_event() - register wmi event handler
* @wmi_handle: handle to wmi
* @event_id: wmi event id
* @handler_func: wmi event handler function
*
* Return: 0 on success
*/
int wmi_unified_register_event(wmi_unified_t wmi_handle,
uint32_t event_id,
wmi_unified_event_handler handler_func)
{
uint32_t idx = 0;
uint32_t evt_id;
struct wmi_soc *soc = wmi_handle->soc;
if (event_id >= wmi_events_max ||
wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) {
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR,
"%s: Event id %d is unavailable",
__func__, event_id);
return QDF_STATUS_E_FAILURE;
}
evt_id = wmi_handle->wmi_events[event_id];
if (wmi_unified_get_event_handler_ix(wmi_handle, evt_id) != -1) {
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR,
"%s : event handler already registered 0x%x",
__func__, evt_id);
return QDF_STATUS_E_FAILURE;
}
if (soc->max_event_idx == WMI_UNIFIED_MAX_EVENT) {
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR,
"%s : no more event handlers 0x%x",
__func__, evt_id);
return QDF_STATUS_E_FAILURE;
}
idx = soc->max_event_idx;
wmi_handle->event_handler[idx] = handler_func;
wmi_handle->event_id[idx] = evt_id;
qdf_spin_lock_bh(&soc->ctx_lock);
wmi_handle->ctx[idx] = WMI_RX_UMAC_CTX;
qdf_spin_unlock_bh(&soc->ctx_lock);
soc->max_event_idx++;
return 0;
}
/**
* wmi_unified_register_event_handler() - register wmi event handler
* @wmi_handle: handle to wmi
* @event_id: wmi event id
* @handler_func: wmi event handler function
* @rx_ctx: rx execution context for wmi rx events
*
* This API is to support legacy requirements. Will be deprecated in future.
* Return: 0 on success
*/
int wmi_unified_register_event_handler(wmi_unified_t wmi_handle,
wmi_conv_event_id event_id,
wmi_unified_event_handler handler_func,
uint8_t rx_ctx)
{
uint32_t idx = 0;
uint32_t evt_id;
struct wmi_soc *soc = wmi_handle->soc;
if (event_id >= wmi_events_max ||
wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) {
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR,
"%s: Event id %d is unavailable",
__func__, event_id);
return QDF_STATUS_E_FAILURE;
}
evt_id = wmi_handle->wmi_events[event_id];
if (wmi_unified_get_event_handler_ix(wmi_handle, evt_id) != -1) {
WMI_LOGE("event handler already registered 0x%x",
evt_id);
return QDF_STATUS_E_FAILURE;
}
if (soc->max_event_idx == WMI_UNIFIED_MAX_EVENT) {
WMI_LOGE("no more event handlers 0x%x",
evt_id);
return QDF_STATUS_E_FAILURE;
}
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_DEBUG,
"Registered event handler for event 0x%8x", evt_id);
idx = soc->max_event_idx;
wmi_handle->event_handler[idx] = handler_func;
wmi_handle->event_id[idx] = evt_id;
qdf_spin_lock_bh(&soc->ctx_lock);
wmi_handle->ctx[idx] = rx_ctx;
qdf_spin_unlock_bh(&soc->ctx_lock);
soc->max_event_idx++;
return 0;
}
qdf_export_symbol(wmi_unified_register_event_handler);
/**
* wmi_unified_unregister_event() - unregister wmi event handler
* @wmi_handle: handle to wmi
* @event_id: wmi event id
*
* Return: 0 on success
*/
int wmi_unified_unregister_event(wmi_unified_t wmi_handle,
uint32_t event_id)
{
uint32_t idx = 0;
uint32_t evt_id;
struct wmi_soc *soc = wmi_handle->soc;
if (event_id >= wmi_events_max ||
wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) {
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR,
"%s: Event id %d is unavailable",
__func__, event_id);
return QDF_STATUS_E_FAILURE;
}
evt_id = wmi_handle->wmi_events[event_id];
idx = wmi_unified_get_event_handler_ix(wmi_handle, evt_id);
if (idx == -1) {
WMI_LOGE("event handler is not registered: evt id 0x%x",
evt_id);
return QDF_STATUS_E_FAILURE;
}
wmi_handle->event_handler[idx] = NULL;
wmi_handle->event_id[idx] = 0;
--soc->max_event_idx;
wmi_handle->event_handler[idx] =
wmi_handle->event_handler[soc->max_event_idx];
wmi_handle->event_id[idx] =
wmi_handle->event_id[soc->max_event_idx];
return 0;
}
/**
* wmi_unified_unregister_event_handler() - unregister wmi event handler
* @wmi_handle: handle to wmi
* @event_id: wmi event id
*
* Return: 0 on success
*/
int wmi_unified_unregister_event_handler(wmi_unified_t wmi_handle,
wmi_conv_event_id event_id)
{
uint32_t idx = 0;
uint32_t evt_id;
struct wmi_soc *soc = wmi_handle->soc;
if (event_id >= wmi_events_max ||
wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) {
WMI_LOGE("Event id %d is unavailable",
event_id);
return QDF_STATUS_E_FAILURE;
}
evt_id = wmi_handle->wmi_events[event_id];
idx = wmi_unified_get_event_handler_ix(wmi_handle, evt_id);
if (idx == -1) {
WMI_LOGE("event handler is not registered: evt id 0x%x",
evt_id);
return QDF_STATUS_E_FAILURE;
}
wmi_handle->event_handler[idx] = NULL;
wmi_handle->event_id[idx] = 0;
--soc->max_event_idx;
wmi_handle->event_handler[idx] =
wmi_handle->event_handler[soc->max_event_idx];
wmi_handle->event_id[idx] =
wmi_handle->event_id[soc->max_event_idx];
return 0;
}
qdf_export_symbol(wmi_unified_unregister_event_handler);
/**
* wmi_process_fw_event_default_ctx() - process in default caller context
* @wmi_handle: handle to wmi
* @htc_packet: pointer to htc packet
* @exec_ctx: execution context for wmi fw event
*
* Event process by below function will be in default caller context.
* wmi internally provides rx work thread processing context.
*
* Return: none
*/
static void wmi_process_fw_event_default_ctx(struct wmi_unified *wmi_handle,
HTC_PACKET *htc_packet, uint8_t exec_ctx)
{
wmi_buf_t evt_buf;
evt_buf = (wmi_buf_t) htc_packet->pPktContext;
#ifndef CONFIG_MCL
wmi_handle->rx_ops.wma_process_fw_event_handler_cbk
(wmi_handle->scn_handle, evt_buf, exec_ctx);
#else
wmi_handle->rx_ops.wma_process_fw_event_handler_cbk(wmi_handle,
htc_packet, exec_ctx);
#endif
return;
}
/**
* wmi_process_fw_event_worker_thread_ctx() - process in worker thread context
* @wmi_handle: handle to wmi
* @htc_packet: pointer to htc packet
*
* Event process by below function will be in worker thread context.
* Use this method for events which are not critical and not
* handled in protocol stack.
*
* Return: none
*/
void wmi_process_fw_event_worker_thread_ctx(struct wmi_unified *wmi_handle,
HTC_PACKET *htc_packet)
{
wmi_buf_t evt_buf;
evt_buf = (wmi_buf_t) htc_packet->pPktContext;
qdf_spin_lock_bh(&wmi_handle->eventq_lock);
qdf_nbuf_queue_add(&wmi_handle->event_queue, evt_buf);
qdf_spin_unlock_bh(&wmi_handle->eventq_lock);
qdf_queue_work(0, wmi_handle->wmi_rx_work_queue,
&wmi_handle->rx_event_work);
return;
}
qdf_export_symbol(wmi_process_fw_event_worker_thread_ctx);
/**
* wmi_get_pdev_ep: Get wmi handle based on endpoint
* @soc: handle to wmi soc
* @ep: endpoint id
*
* Return: none
*/
static struct wmi_unified *wmi_get_pdev_ep(struct wmi_soc *soc,
HTC_ENDPOINT_ID ep)
{
uint32_t i;
for (i = 0; i < WMI_MAX_RADIOS; i++)
if (soc->wmi_endpoint_id[i] == ep)
break;
if (i == WMI_MAX_RADIOS)
return NULL;
return soc->wmi_pdev[i];
}
/**
* wmi_mtrace_rx() - Wrappper function for qdf_mtrace api
* @message_id: 32-Bit Wmi message ID
* @vdev_id: Vdev ID
* @data: Actual message contents
*
* This function converts the 32-bit WMI message ID in 15-bit message ID
* format for qdf_mtrace as in qdf_mtrace message there are only 15
* bits reserved for message ID.
* out of these 15-bits, 8-bits (From LSB) specifies the WMI_GRP_ID
* and remaining 7-bits specifies the actual WMI command. With this
* notation there can be maximum 256 groups and each group can have
* max 128 commands can be supported.
*
* Return: None
*/
static void wmi_mtrace_rx(uint32_t message_id, uint16_t vdev_id, uint32_t data)
{
uint16_t mtrace_message_id;
mtrace_message_id = QDF_WMI_MTRACE_CMD_ID(message_id) |
(QDF_WMI_MTRACE_GRP_ID(message_id) <<
QDF_WMI_MTRACE_CMD_NUM_BITS);
qdf_mtrace(QDF_MODULE_ID_WMI, QDF_MODULE_ID_WMA,
mtrace_message_id, vdev_id, data);
}
/**
* wmi_control_rx() - process fw events callbacks
* @ctx: handle to wmi
* @htc_packet: pointer to htc packet
*
* Return: none
*/
static void wmi_control_rx(void *ctx, HTC_PACKET *htc_packet)
{
struct wmi_soc *soc = (struct wmi_soc *) ctx;
struct wmi_unified *wmi_handle;
wmi_buf_t evt_buf;
uint32_t id;
uint32_t idx = 0;
enum wmi_rx_exec_ctx exec_ctx;
evt_buf = (wmi_buf_t) htc_packet->pPktContext;
wmi_handle = wmi_get_pdev_ep(soc, htc_packet->Endpoint);
if (wmi_handle == NULL) {
WMI_LOGE
("unable to get wmi_handle to Endpoint %d\n",
htc_packet->Endpoint);
qdf_nbuf_free(evt_buf);
return;
}
id = WMI_GET_FIELD(qdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
idx = wmi_unified_get_event_handler_ix(wmi_handle, id);
if (qdf_unlikely(idx == A_ERROR)) {
wmi_debug("no handler registered for event id 0x%x", id);
qdf_nbuf_free(evt_buf);
return;
}
wmi_mtrace_rx(id, 0xFF, idx);
qdf_spin_lock_bh(&soc->ctx_lock);
exec_ctx = wmi_handle->ctx[idx];
qdf_spin_unlock_bh(&soc->ctx_lock);
#ifdef WMI_INTERFACE_EVENT_LOGGING
if (wmi_handle->log_info.wmi_logging_enable) {
uint8_t *data;
data = qdf_nbuf_data(evt_buf);
qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock);
/* Exclude 4 bytes of TLV header */
if (wmi_handle->ops->is_diag_event(id)) {
WMI_DIAG_RX_EVENT_RECORD(wmi_handle, id,
((uint8_t *) data +
wmi_handle->soc->buf_offset_event));
} else if (wmi_handle->ops->is_management_record(id)) {
WMI_MGMT_RX_EVENT_RECORD(wmi_handle, id,
((uint8_t *) data +
wmi_handle->soc->buf_offset_event));
} else {
WMI_RX_EVENT_RECORD(wmi_handle, id, ((uint8_t *) data +
wmi_handle->soc->buf_offset_event));
}
qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock);
}
#endif
if (exec_ctx == WMI_RX_WORK_CTX) {
wmi_process_fw_event_worker_thread_ctx
(wmi_handle, htc_packet);
} else if (exec_ctx > WMI_RX_WORK_CTX) {
wmi_process_fw_event_default_ctx
(wmi_handle, htc_packet, exec_ctx);
} else {
WMI_LOGE("Invalid event context %d", exec_ctx);
qdf_nbuf_free(evt_buf);
}
}
/**
* wmi_process_fw_event() - process any fw event
* @wmi_handle: wmi handle
* @evt_buf: fw event buffer
*
* This function process fw event in caller context
*
* Return: none
*/
void wmi_process_fw_event(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf)
{
__wmi_control_rx(wmi_handle, evt_buf);
}
/**
* __wmi_control_rx() - process serialize wmi event callback
* @wmi_handle: wmi handle
* @evt_buf: fw event buffer
*
* Return: none
*/
void __wmi_control_rx(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf)
{
uint32_t id;
uint8_t *data;
uint32_t len;
void *wmi_cmd_struct_ptr = NULL;
#ifndef WMI_NON_TLV_SUPPORT
int tlv_ok_status = 0;
#endif
uint32_t idx = 0;
id = WMI_GET_FIELD(qdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
wmi_ext_dbg_msg_event_record(wmi_handle, qdf_nbuf_data(evt_buf),
qdf_nbuf_len(evt_buf));
if (qdf_nbuf_pull_head(evt_buf, sizeof(WMI_CMD_HDR)) == NULL)
goto end;
data = qdf_nbuf_data(evt_buf);
len = qdf_nbuf_len(evt_buf);
#ifndef WMI_NON_TLV_SUPPORT
if (wmi_handle->target_type == WMI_TLV_TARGET) {
/* Validate and pad(if necessary) the TLVs */
tlv_ok_status =
wmi_handle->ops->wmi_check_and_pad_event(wmi_handle->scn_handle,
data, len, id,
&wmi_cmd_struct_ptr);
if (tlv_ok_status != 0) {
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR,
"%s: Error: id=0x%x, wmitlv check status=%d",
__func__, id, tlv_ok_status);
goto end;
}
}
#endif
idx = wmi_unified_get_event_handler_ix(wmi_handle, id);
if (idx == A_ERROR) {
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR,
"%s : event handler is not registered: event id 0x%x",
__func__, id);
goto end;
}
#ifdef WMI_INTERFACE_EVENT_LOGGING
if (wmi_handle->log_info.wmi_logging_enable) {
qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock);
/* Exclude 4 bytes of TLV header */
if (wmi_handle->ops->is_diag_event(id)) {
/*
* skip diag event logging in WMI event buffer
* as its already logged in WMI RX event buffer
*/
} else if (wmi_handle->ops->is_management_record(id)) {
/*
* skip wmi mgmt event logging in WMI event buffer
* as its already logged in WMI RX event buffer
*/
} else {
WMI_EVENT_RECORD(wmi_handle, id, ((uint8_t *) data +
wmi_handle->soc->buf_offset_event));
}
qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock);
}
#endif
/* Call the WMI registered event handler */
if (wmi_handle->target_type == WMI_TLV_TARGET)
wmi_handle->event_handler[idx] (wmi_handle->scn_handle,
wmi_cmd_struct_ptr, len);
else
wmi_handle->event_handler[idx] (wmi_handle->scn_handle,
data, len);
end:
/* Free event buffer and allocated event tlv */
#ifndef WMI_NON_TLV_SUPPORT
if (wmi_handle->target_type == WMI_TLV_TARGET)
wmi_handle->ops->wmi_free_allocated_event(id, &wmi_cmd_struct_ptr);
#endif
qdf_nbuf_free(evt_buf);
}
#define WMI_WQ_WD_TIMEOUT (30 * 1000) /* 30s */
static inline void wmi_workqueue_watchdog_warn(uint32_t msg_type_id)
{
QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR,
"%s: WLAN_BUG_RCA: Message type %x has exceeded its alloted time of %ds",
__func__, msg_type_id, WMI_WQ_WD_TIMEOUT / 1000);
}
#ifdef CONFIG_SLUB_DEBUG_ON
static void wmi_workqueue_watchdog_bite(void *arg)
{
struct wmi_wq_dbg_info *info = arg;
wmi_workqueue_watchdog_warn(info->wd_msg_type_id);
qdf_print_thread_trace(info->task);
QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR,
"%s: Going down for WMI WQ Watchdog Bite!", __func__);
QDF_BUG(0);
}
#else
static inline void wmi_workqueue_watchdog_bite(void *arg)
{
struct wmi_wq_dbg_info *info = arg;
wmi_workqueue_watchdog_warn(info->wd_msg_type_id);
}
#endif
/**
* wmi_rx_event_work() - process rx event in rx work queue context
* @arg: opaque pointer to wmi handle
*
* This function process any fw event to serialize it through rx worker thread.
*
* Return: none
*/
static void wmi_rx_event_work(void *arg)
{
wmi_buf_t buf;
struct wmi_unified *wmi = arg;
qdf_timer_t wd_timer;
struct wmi_wq_dbg_info info;
/* initialize WMI workqueue watchdog timer */
qdf_timer_init(NULL, &wd_timer, &wmi_workqueue_watchdog_bite,
&info, QDF_TIMER_TYPE_SW);
qdf_spin_lock_bh(&wmi->eventq_lock);
buf = qdf_nbuf_queue_remove(&wmi->event_queue);
qdf_spin_unlock_bh(&wmi->eventq_lock);
while (buf) {
qdf_timer_start(&wd_timer, WMI_WQ_WD_TIMEOUT);
info.wd_msg_type_id =
WMI_GET_FIELD(qdf_nbuf_data(buf), WMI_CMD_HDR, COMMANDID);
info.wmi_wq = wmi->wmi_rx_work_queue;
info.task = qdf_get_current_task();
__wmi_control_rx(wmi, buf);
qdf_timer_stop(&wd_timer);
qdf_spin_lock_bh(&wmi->eventq_lock);
buf = qdf_nbuf_queue_remove(&wmi->event_queue);
qdf_spin_unlock_bh(&wmi->eventq_lock);
}
qdf_timer_free(&wd_timer);
}
#ifdef FEATURE_RUNTIME_PM
/**
* wmi_runtime_pm_init() - initialize runtime pm wmi variables
* @wmi_handle: wmi context
*/
static void wmi_runtime_pm_init(struct wmi_unified *wmi_handle)
{
qdf_atomic_init(&wmi_handle->runtime_pm_inprogress);
}
/**
* wmi_set_runtime_pm_inprogress() - set runtime pm progress flag
* @wmi_handle: wmi context
* @val: runtime pm progress flag
*/
void wmi_set_runtime_pm_inprogress(wmi_unified_t wmi_handle, A_BOOL val)
{
qdf_atomic_set(&wmi_handle->runtime_pm_inprogress, val);
}
/**
* wmi_get_runtime_pm_inprogress() - get runtime pm progress flag
* @wmi_handle: wmi context
*/
inline bool wmi_get_runtime_pm_inprogress(wmi_unified_t wmi_handle)
{
return qdf_atomic_read(&wmi_handle->runtime_pm_inprogress);
}
#else
static void wmi_runtime_pm_init(struct wmi_unified *wmi_handle)
{
}
#endif
/**
* wmi_unified_get_soc_handle: Get WMI SoC handle
* @param wmi_handle: WMI context got from wmi_attach
*
* return: Pointer to Soc handle
*/
void *wmi_unified_get_soc_handle(struct wmi_unified *wmi_handle)
{
return wmi_handle->soc;
}
/**
* wmi_interface_logging_init: Interface looging init
* @param wmi_handle: Pointer to wmi handle object
*
* return: None
*/
#ifdef WMI_INTERFACE_EVENT_LOGGING
static inline void wmi_interface_logging_init(struct wmi_unified *wmi_handle,
uint32_t pdev_idx)
{
if (QDF_STATUS_SUCCESS == wmi_log_init(wmi_handle)) {
qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock);
wmi_debugfs_init(wmi_handle, pdev_idx);
}
}
#else
static inline void wmi_interface_logging_init(struct wmi_unified *wmi_handle,
uint32_t pdev_idx)
{
}
#endif
/**
* wmi_target_params_init: Target specific params init
* @param wmi_soc: Pointer to wmi soc object
* @param wmi_handle: Pointer to wmi handle object
*
* return: None
*/
#ifndef CONFIG_MCL
static inline void wmi_target_params_init(struct wmi_soc *soc,
struct wmi_unified *wmi_handle)
{
wmi_handle->pdev_param = soc->pdev_param;
wmi_handle->vdev_param = soc->vdev_param;
wmi_handle->services = soc->services;
}
#else
static inline void wmi_target_params_init(struct wmi_soc *soc,
struct wmi_unified *wmi_handle)
{
wmi_handle->services = soc->services;
}
#endif
/**
* wmi_unified_get_pdev_handle: Get WMI SoC handle
* @param wmi_soc: Pointer to wmi soc object
* @param pdev_idx: pdev index
*
* return: Pointer to wmi handle or NULL on failure
*/
void *wmi_unified_get_pdev_handle(struct wmi_soc *soc, uint32_t pdev_idx)
{
struct wmi_unified *wmi_handle;
if (pdev_idx >= WMI_MAX_RADIOS)
return NULL;
if (soc->wmi_pdev[pdev_idx] == NULL) {
wmi_handle =
(struct wmi_unified *) qdf_mem_malloc(
sizeof(struct wmi_unified));
if (wmi_handle == NULL) {
WMI_LOGE("allocation of wmi handle failed %zu",
sizeof(struct wmi_unified));
return NULL;
}
wmi_handle->scn_handle = soc->scn_handle;
wmi_handle->event_id = soc->event_id;
wmi_handle->event_handler = soc->event_handler;
wmi_handle->ctx = soc->ctx;
wmi_handle->ops = soc->ops;
qdf_spinlock_create(&wmi_handle->eventq_lock);
qdf_nbuf_queue_init(&wmi_handle->event_queue);
qdf_create_work(0, &wmi_handle->rx_event_work,
wmi_rx_event_work, wmi_handle);
wmi_handle->wmi_rx_work_queue =
qdf_alloc_unbound_workqueue("wmi_rx_event_work_queue");
if (NULL == wmi_handle->wmi_rx_work_queue) {
WMI_LOGE("failed to create wmi_rx_event_work_queue");
goto error;
}
wmi_handle->wmi_events = soc->wmi_events;
wmi_target_params_init(soc, wmi_handle);
wmi_handle->soc = soc;
wmi_interface_logging_init(wmi_handle, pdev_idx);
qdf_atomic_init(&wmi_handle->pending_cmds);
qdf_atomic_init(&wmi_handle->is_target_suspended);
wmi_handle->target_type = soc->target_type;
wmi_handle->wmi_max_cmds = soc->wmi_max_cmds;
soc->wmi_pdev[pdev_idx] = wmi_handle;
} else
wmi_handle = soc->wmi_pdev[pdev_idx];
wmi_handle->wmi_stopinprogress = 0;
wmi_handle->wmi_endpoint_id = soc->wmi_endpoint_id[pdev_idx];
wmi_handle->htc_handle = soc->htc_handle;
wmi_handle->max_msg_len = soc->max_msg_len[pdev_idx];
return wmi_handle;
error:
qdf_mem_free(wmi_handle);
return NULL;
}
qdf_export_symbol(wmi_unified_get_pdev_handle);
static void (*wmi_attach_register[WMI_MAX_TARGET_TYPE])(wmi_unified_t);
void wmi_unified_register_module(enum wmi_target_type target_type,
void (*wmi_attach)(wmi_unified_t wmi_handle))
{
if (target_type < WMI_MAX_TARGET_TYPE)
wmi_attach_register[target_type] = wmi_attach;
return;
}
qdf_export_symbol(wmi_unified_register_module);
/**
* wmi_wbuff_register() - register wmi with wbuff
* @wmi_handle: handle to wmi
*
* @Return: void
*/
static void wmi_wbuff_register(struct wmi_unified *wmi_handle)
{
struct wbuff_alloc_request wbuff_alloc[4];
wbuff_alloc[0].slot = WBUFF_POOL_0;
wbuff_alloc[0].size = WMI_WBUFF_POOL_0_SIZE;
wbuff_alloc[1].slot = WBUFF_POOL_1;
wbuff_alloc[1].size = WMI_WBUFF_POOL_1_SIZE;
wbuff_alloc[2].slot = WBUFF_POOL_2;
wbuff_alloc[2].size = WMI_WBUFF_POOL_2_SIZE;
wbuff_alloc[3].slot = WBUFF_POOL_3;
wbuff_alloc[3].size = WMI_WBUFF_POOL_3_SIZE;
wmi_handle->wbuff_handle = wbuff_module_register(wbuff_alloc, 4,
WMI_MIN_HEAD_ROOM, 4);
}
/**
* wmi_wbuff_deregister() - deregister wmi with wbuff
* @wmi_handle: handle to wmi
*
* @Return: void
*/
static inline void wmi_wbuff_deregister(struct wmi_unified *wmi_handle)
{
wbuff_module_deregister(wmi_handle->wbuff_handle);
wmi_handle->wbuff_handle = NULL;
}
/**
* wmi_unified_attach() - attach for unified WMI
* @scn_handle: handle to SCN
* @osdev: OS device context
* @target_type: TLV or not-TLV based target
* @use_cookie: cookie based allocation enabled/disabled
* @ops: umac rx callbacks
* @psoc: objmgr psoc
*
* @Return: wmi handle.
*/
void *wmi_unified_attach(void *scn_handle,
struct wmi_unified_attach_params *param)
{
struct wmi_unified *wmi_handle;
struct wmi_soc *soc;
soc = (struct wmi_soc *) qdf_mem_malloc(sizeof(struct wmi_soc));
if (soc == NULL) {
WMI_LOGE("Allocation of wmi_soc failed %zu",
sizeof(struct wmi_soc));
return NULL;
}
wmi_handle =
(struct wmi_unified *) qdf_mem_malloc(
sizeof(struct wmi_unified));
if (wmi_handle == NULL) {
qdf_mem_free(soc);
WMI_LOGE("allocation of wmi handle failed %zu",
sizeof(struct wmi_unified));
return NULL;
}
wmi_handle->soc = soc;
wmi_handle->soc->soc_idx = param->soc_id;
wmi_handle->soc->is_async_ep = param->is_async_ep;
wmi_handle->event_id = soc->event_id;
wmi_handle->event_handler = soc->event_handler;
wmi_handle->ctx = soc->ctx;
wmi_handle->wmi_events = soc->wmi_events;
wmi_target_params_init(soc, wmi_handle);
wmi_handle->scn_handle = scn_handle;
soc->scn_handle = scn_handle;
qdf_atomic_init(&wmi_handle->pending_cmds);
qdf_atomic_init(&wmi_handle->is_target_suspended);
wmi_runtime_pm_init(wmi_handle);
qdf_spinlock_create(&wmi_handle->eventq_lock);
qdf_nbuf_queue_init(&wmi_handle->event_queue);
qdf_create_work(0, &wmi_handle->rx_event_work,
wmi_rx_event_work, wmi_handle);
wmi_handle->wmi_rx_work_queue =
qdf_alloc_unbound_workqueue("wmi_rx_event_work_queue");
if (NULL == wmi_handle->wmi_rx_work_queue) {
WMI_LOGE("failed to create wmi_rx_event_work_queue");
goto error;
}
wmi_interface_logging_init(wmi_handle, WMI_HOST_PDEV_ID_0);
/* Attach mc_thread context processing function */
wmi_handle->rx_ops.wma_process_fw_event_handler_cbk =
param->rx_ops->wma_process_fw_event_handler_cbk;
wmi_handle->target_type = param->target_type;
soc->target_type = param->target_type;
if (param->target_type >= WMI_MAX_TARGET_TYPE)
goto error;
if (wmi_attach_register[param->target_type]) {
wmi_attach_register[param->target_type](wmi_handle);
} else {
WMI_LOGE("wmi attach is not registered");
goto error;
}
/* Assign target cookie capablity */
wmi_handle->use_cookie = param->use_cookie;
wmi_handle->osdev = param->osdev;
wmi_handle->wmi_stopinprogress = 0;
wmi_handle->wmi_max_cmds = param->max_commands;
soc->wmi_max_cmds = param->max_commands;
/* Increase the ref count once refcount infra is present */
soc->wmi_psoc = param->psoc;
qdf_spinlock_create(&soc->ctx_lock);
soc->ops = wmi_handle->ops;
soc->wmi_pdev[0] = wmi_handle;
if (wmi_ext_dbgfs_init(wmi_handle) != QDF_STATUS_SUCCESS)
WMI_LOGE("failed to initialize wmi extended debugfs");
wmi_wbuff_register(wmi_handle);
return wmi_handle;
error:
qdf_mem_free(soc);
qdf_mem_free(wmi_handle);
return NULL;
}
/**
* wmi_unified_detach() - detach for unified WMI
*
* @wmi_handle : handle to wmi.
*
* @Return: none.
*/
void wmi_unified_detach(struct wmi_unified *wmi_handle)
{
wmi_buf_t buf;
struct wmi_soc *soc;
uint8_t i;
wmi_wbuff_deregister(wmi_handle);
wmi_ext_dbgfs_deinit(wmi_handle);
soc = wmi_handle->soc;
for (i = 0; i < WMI_MAX_RADIOS; i++) {
if (soc->wmi_pdev[i]) {
qdf_flush_workqueue(0,
soc->wmi_pdev[i]->wmi_rx_work_queue);
qdf_destroy_workqueue(0,
soc->wmi_pdev[i]->wmi_rx_work_queue);
wmi_debugfs_remove(soc->wmi_pdev[i]);
buf = qdf_nbuf_queue_remove(
&soc->wmi_pdev[i]->event_queue);
while (buf) {
qdf_nbuf_free(buf);
buf = qdf_nbuf_queue_remove(
&soc->wmi_pdev[i]->event_queue);
}
wmi_log_buffer_free(soc->wmi_pdev[i]);
/* Free events logs list */
if (soc->wmi_pdev[i]->events_logs_list)
qdf_mem_free(
soc->wmi_pdev[i]->events_logs_list);
qdf_spinlock_destroy(&soc->wmi_pdev[i]->eventq_lock);
qdf_mem_free(soc->wmi_pdev[i]);
}
}
qdf_spinlock_destroy(&soc->ctx_lock);
if (soc->wmi_service_bitmap) {
qdf_mem_free(soc->wmi_service_bitmap);
soc->wmi_service_bitmap = NULL;
}
if (soc->wmi_ext_service_bitmap) {
qdf_mem_free(soc->wmi_ext_service_bitmap);
soc->wmi_ext_service_bitmap = NULL;
}
/* Decrease the ref count once refcount infra is present */
soc->wmi_psoc = NULL;
qdf_mem_free(soc);
}
/**
* wmi_unified_remove_work() - detach for WMI work
* @wmi_handle: handle to WMI
*
* A function that does not fully detach WMI, but just remove work
* queue items associated with it. This is used to make sure that
* before any other processing code that may destroy related contexts
* (HTC, etc), work queue processing on WMI has already been stopped.
*
* Return: None
*/
void
wmi_unified_remove_work(struct wmi_unified *wmi_handle)
{
wmi_buf_t buf;
qdf_flush_workqueue(0, wmi_handle->wmi_rx_work_queue);
qdf_spin_lock_bh(&wmi_handle->eventq_lock);
buf = qdf_nbuf_queue_remove(&wmi_handle->event_queue);
while (buf) {
qdf_nbuf_free(buf);
buf = qdf_nbuf_queue_remove(&wmi_handle->event_queue);
}
qdf_spin_unlock_bh(&wmi_handle->eventq_lock);
}
/**
* wmi_htc_tx_complete() - Process htc tx completion
*
* @ctx: handle to wmi
* @htc_packet: pointer to htc packet
*
* @Return: none.
*/
static void wmi_htc_tx_complete(void *ctx, HTC_PACKET *htc_pkt)
{
struct wmi_soc *soc = (struct wmi_soc *) ctx;
wmi_buf_t wmi_cmd_buf = GET_HTC_PACKET_NET_BUF_CONTEXT(htc_pkt);
u_int8_t *buf_ptr;
u_int32_t len;
struct wmi_unified *wmi_handle;
#ifdef WMI_INTERFACE_EVENT_LOGGING
uint32_t cmd_id;
#endif
ASSERT(wmi_cmd_buf);
wmi_handle = wmi_get_pdev_ep(soc, htc_pkt->Endpoint);
if (wmi_handle == NULL) {
WMI_LOGE("%s: Unable to get wmi handle\n", __func__);
QDF_ASSERT(0);
return;
}
#ifdef WMI_INTERFACE_EVENT_LOGGING
if (wmi_handle && wmi_handle->log_info.wmi_logging_enable) {
cmd_id = WMI_GET_FIELD(qdf_nbuf_data(wmi_cmd_buf),
WMI_CMD_HDR, COMMANDID);
qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock);
/* Record 16 bytes of WMI cmd tx complete data
- exclude TLV and WMI headers */
if (wmi_handle->ops->is_management_record(cmd_id)) {
WMI_MGMT_COMMAND_TX_CMP_RECORD(wmi_handle, cmd_id,
qdf_nbuf_data(wmi_cmd_buf) +
wmi_handle->soc->buf_offset_command);
} else {
WMI_COMMAND_TX_CMP_RECORD(wmi_handle, cmd_id,
qdf_nbuf_data(wmi_cmd_buf) +
wmi_handle->soc->buf_offset_command);
}
qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock);
}
#endif
buf_ptr = (u_int8_t *) wmi_buf_data(wmi_cmd_buf);
len = qdf_nbuf_len(wmi_cmd_buf);
qdf_mem_zero(buf_ptr, len);
wmi_buf_free(wmi_cmd_buf);
qdf_mem_free(htc_pkt);
qdf_atomic_dec(&wmi_handle->pending_cmds);
}
/**
* wmi_connect_pdev_htc_service() - WMI API to get connect to HTC service
*
* @wmi_handle: handle to WMI.
* @pdev_idx: Pdev index
*
* @Return: status.
*/
static int wmi_connect_pdev_htc_service(struct wmi_soc *soc,
uint32_t pdev_idx)
{
int status;
struct htc_service_connect_resp response;
struct htc_service_connect_req connect;
OS_MEMZERO(&connect, sizeof(connect));
OS_MEMZERO(&response, sizeof(response));
/* meta data is unused for now */
connect.pMetaData = NULL;
connect.MetaDataLength = 0;
/* these fields are the same for all service endpoints */
connect.EpCallbacks.pContext = soc;
connect.EpCallbacks.EpTxCompleteMultiple =
NULL /* Control path completion ar6000_tx_complete */;
connect.EpCallbacks.EpRecv = wmi_control_rx /* Control path rx */;
connect.EpCallbacks.EpRecvRefill = NULL /* ar6000_rx_refill */;
connect.EpCallbacks.EpSendFull = NULL /* ar6000_tx_queue_full */;
connect.EpCallbacks.EpTxComplete =
wmi_htc_tx_complete /* ar6000_tx_queue_full */;
/* connect to control service */
connect.service_id = soc->svc_ids[pdev_idx];
status = htc_connect_service(soc->htc_handle, &connect,
&response);
if (status != EOK) {
WMI_LOGE
("Failed to connect to WMI CONTROL service status:%d\n",
status);
return status;
}
if (soc->is_async_ep)
htc_set_async_ep(soc->htc_handle, response.Endpoint, true);
soc->wmi_endpoint_id[pdev_idx] = response.Endpoint;
soc->max_msg_len[pdev_idx] = response.MaxMsgLength;
return 0;
}
/**
* wmi_unified_connect_htc_service() - WMI API to get connect to HTC service
*
* @wmi_handle: handle to WMI.
*
* @Return: status.
*/
QDF_STATUS
wmi_unified_connect_htc_service(struct wmi_unified *wmi_handle,
void *htc_handle)
{
uint32_t i;
uint8_t wmi_ep_count;
wmi_handle->soc->htc_handle = htc_handle;
wmi_ep_count = htc_get_wmi_endpoint_count(htc_handle);
if (wmi_ep_count > WMI_MAX_RADIOS)
return QDF_STATUS_E_FAULT;
for (i = 0; i < wmi_ep_count; i++)
wmi_connect_pdev_htc_service(wmi_handle->soc, i);
wmi_handle->htc_handle = htc_handle;
wmi_handle->wmi_endpoint_id = wmi_handle->soc->wmi_endpoint_id[0];
wmi_handle->max_msg_len = wmi_handle->soc->max_msg_len[0];
return QDF_STATUS_SUCCESS;
}
/**
* wmi_get_host_credits() - WMI API to get updated host_credits
*
* @wmi_handle: handle to WMI.
*
* @Return: updated host_credits.
*/
int wmi_get_host_credits(wmi_unified_t wmi_handle)
{
int host_credits = 0;
htc_get_control_endpoint_tx_host_credits(wmi_handle->htc_handle,
&host_credits);
return host_credits;
}
/**
* wmi_get_pending_cmds() - WMI API to get WMI Pending Commands in the HTC
* queue
*
* @wmi_handle: handle to WMI.
*
* @Return: Pending Commands in the HTC queue.
*/
int wmi_get_pending_cmds(wmi_unified_t wmi_handle)
{
return qdf_atomic_read(&wmi_handle->pending_cmds);
}
/**
* wmi_set_target_suspend() - WMI API to set target suspend state
*
* @wmi_handle: handle to WMI.
* @val: suspend state boolean.
*
* @Return: none.
*/
void wmi_set_target_suspend(wmi_unified_t wmi_handle, A_BOOL val)
{
qdf_atomic_set(&wmi_handle->is_target_suspended, val);
}
/**
* WMI API to set crash injection state
* @param wmi_handle: handle to WMI.
* @param val: crash injection state boolean.
*/
void wmi_tag_crash_inject(wmi_unified_t wmi_handle, A_BOOL flag)
{
wmi_handle->tag_crash_inject = flag;
}
/**
* WMI API to set bus suspend state
* @param wmi_handle: handle to WMI.
* @param val: suspend state boolean.
*/
void wmi_set_is_wow_bus_suspended(wmi_unified_t wmi_handle, A_BOOL val)
{
qdf_atomic_set(&wmi_handle->is_wow_bus_suspended, val);
}
void wmi_set_tgt_assert(wmi_unified_t wmi_handle, bool val)
{
wmi_handle->tgt_force_assert_enable = val;
}
/**
* wmi_stop() - generic function to block unified WMI command
* @wmi_handle: handle to WMI.
*
* @Return: success always.
*/
int
wmi_stop(wmi_unified_t wmi_handle)
{
QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_INFO,
"WMI Stop");
wmi_handle->wmi_stopinprogress = 1;
return 0;
}
#ifndef CONFIG_MCL
/**
* API to flush all the previous packets associated with the wmi endpoint
*
* @param wmi_handle : handle to WMI.
*/
void
wmi_flush_endpoint(wmi_unified_t wmi_handle)
{
htc_flush_endpoint(wmi_handle->htc_handle,
wmi_handle->wmi_endpoint_id, 0);
}
qdf_export_symbol(wmi_flush_endpoint);
/**
* wmi_pdev_id_conversion_enable() - API to enable pdev_id conversion in WMI
* By default pdev_id conversion is not done in WMI.
* This API can be used enable conversion in WMI.
* @param wmi_handle : handle to WMI
* Return none
*/
void wmi_pdev_id_conversion_enable(wmi_unified_t wmi_handle)
{
if (wmi_handle->target_type == WMI_TLV_TARGET)
wmi_handle->ops->wmi_pdev_id_conversion_enable(wmi_handle);
}
#endif