From: Charl Liu <liuchang_125125@xxxxxxx>
1.debug: define related functions for debugging
2.util: define utility functions
Signed-off-by: Charl Liu <liuchang_125125@xxxxxxx>
---
Change in V1:
Add the source files related to utility.
---
drivers/scsi/bht/util/debug.c | 413 ++++++++++++++++++++++++++++++++++
drivers/scsi/bht/util/util.c | 141 ++++++++++++
2 files changed, 554 insertions(+)
create mode 100644 drivers/scsi/bht/util/debug.c
create mode 100644 drivers/scsi/bht/util/util.c
diff --git a/drivers/scsi/bht/util/debug.c b/drivers/scsi/bht/util/debug.c
new file mode 100644
index 000000000000..16e87908724f
--- /dev/null
+++ b/drivers/scsi/bht/util/debug.c
@@ -0,0 +1,413 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2014 BHT Inc.
+ *
+ * File Name: debug.c
+ *
+ * Abstract: define related functions for debugging
+ *
+ * Version: 1.00
+ *
+ * Author: Peter.Guo
+ *
+ * Environment: OS Independent
+ *
+ * History:
+ *
+ * 8/25/2014 Creation Peter.Guo
+ */
+
+#define _NO_CRT_STDIO_INLINE
+#include "../include/basic.h"
+#include "../include/debug.h"
+#include "../include/util.h"
+
+#define DBG_CHR_IN_LINE 124
+#define DBG_PREFIX "BHT-"
+
+u32 g_dbg_module = DBG_MODULE_CONTROL;
+u32 g_dbg_feature = DBG_FEATURE_CONTROL;
+u32 g_dbg_ctrl = DBG_CTRL_CONTROL;
+
+#if DBG || _DEBUG
+static char dbg_module[][14] = {
+ "BHT-SDHOST : ",
+ "BHT-VENHOST: ",
+ "BHT-TRANS : ",
+ "BHT-CARD : ",
+ "BHT-CARD : ",
+ "BHT-CARD : ",
+ "BHT-CARD : ",
+ "BHT-TQFLOW : ",
+ "BHT-TQPLC : ",
+ "BHT-TQDMA : ",
+ "BHT-THR : ",
+ "BHT-REQMNG : ",
+ "BHT-MAINPM : ",
+ "BHT-GENIO : ",
+ "BHT-TIMER : ",
+ "BHT-THERMAL: ",
+ "BHT-CFG : ",
+ "BHT-OTHER : ",
+ "BHT-OSETAPI: ",
+ "BHT-OSENTRY: ",
+ "BHT-OSAPI : ",
+ "BHT-UNKNOW : "
+};
+#endif
+
+typedef struct {
+ u32 index;
+ byte Data[DBG_CHR_IN_LINE];
+} tO2DbgLineInfo;
+
+#define O2DBG_MAX_COUNT 0x4000
+#define O2DBG_MAX_RAM_SIZE (O2DBG_MAX_COUNT * sizeof(tO2DbgLineInfo))
+
+/* Global Debug Virtual Buffer for RAM Debug */
+tO2DbgLineInfo *pO2DbgInfo;
+/* Global Ram Buffer item count */
+atomic_t gO2DbgInfoCnt;
+
+void x_assert(char *str, unsigned int uline)
+{
+ DbgErr("Assert failed %s line:%u\n", str, uline);
+}
+
+/*
+ * Function Name: DbgRamInit
+ * Abstract: This Function is called by driver init entry to allocate Global Memory for Debug
+ *
+ * Input:
+ * Output:
+ *
+ * Return value: void
+ * Notes:
+ *
+ */
+
+void DbgRamInit(void)
+{
+ os_atomic_set(&gO2DbgInfoCnt, 0);
+ pO2DbgInfo = (tO2DbgLineInfo *) os_alloc_vbuff(O2DBG_MAX_RAM_SIZE);
+ if (pO2DbgInfo != NULL)
+ os_memset(pO2DbgInfo, 0, O2DBG_MAX_RAM_SIZE);
+}
+
+void DbgRamInitNon(void)
+{
+ os_atomic_set(&gO2DbgInfoCnt, 0);
+ pO2DbgInfo = NULL;
+}
+
+/*
+ * Function Name: DbgRamInit
+ * Abstract: This Function is called by driver remove entry to free Global Memory for Debug
+ *
+ * Input:
+ * Output:
+ *
+ * Return value: void
+ * Notes:
+ *
+ */
+void DbgRamFree(void)
+{
+ os_atomic_set(&gO2DbgInfoCnt, 0);
+ if (pO2DbgInfo != NULL)
+ os_free_vbuff(pO2DbgInfo);
+ pO2DbgInfo = NULL;
+
+}
+
+/*
+ * Function Name: DbgRamAdd
+ * Abstract: This Function is used to Add a Debug log to Debug Ram buffer
+ *
+ * Input: byte *dbgbuf: The Debug log want to add to ram buffer
+ * Output:
+ *
+ * Return value: void
+ * Notes:
+ *
+ */
+static void DbgRamAdd(byte *dbgbuf)
+{
+ u32 i;
+ int cnt = 0;
+ int index = 0;
+ u32 len = (u32) strlen(dbgbuf);
+
+ if (pO2DbgInfo == NULL)
+ return;
+ cnt = (int)os_atomic_read(&gO2DbgInfoCnt);
+ os_atomic_add(&gO2DbgInfoCnt, 1);
+ index = cnt % O2DBG_MAX_COUNT;
+
+ pO2DbgInfo[index].index = cnt;
+ for (i = 0; i < DBG_CHR_IN_LINE; i++) {
+ if (i < len)
+ pO2DbgInfo[index].Data[i] = dbgbuf[i];
+ else
+ pO2DbgInfo[index].Data[i] = '\0';
+ }
+}
+
+/*
+ * Function Name: DbgErr
+ * Abstract: This Function is used to print errlog and add log to Ram buffer
+ *
+ * Input: byte *info: The err log
+ * Output:
+ *
+ * Return value: void
+ * Notes:
+ *
+ */
+
+void PrintMsg(byte *info, ...)
+{
+#define DBG_PREFIX_MSG "BHT-MSG : "
+
+ byte dbgbuf[512];
+ va_list ap;
+
+ va_start(ap, info);
+
+ {
+ byte *buffer;
+
+ buffer = dbgbuf;
+ os_memcpy(buffer, DBG_PREFIX_MSG, 13);
+ buffer += 13;
+
+ vsnprintf(buffer, sizeof(dbgbuf) - 13, info, ap);
+ }
+
+ va_end(ap);
+ os_print(dbgbuf);
+}
+
+/*
+ * Function Name: DbgErr
+ * Abstract: This Function is used to print errlog and add log to Ram buffer
+ *
+ * Input: byte *info: The err log
+ * Output:
+ *
+ * Return value: void
+ * Notes:
+ *
+ */
+
+void DbgErr(byte *info, ...)
+{
+#define DBG_PREFIX_ERR "BHT-ERROR : "
+
+ byte dbgbuf[512];
+ va_list ap;
+
+ va_start(ap, info);
+
+ {
+ byte *buffer;
+
+ buffer = dbgbuf;
+ os_memcpy(buffer, DBG_PREFIX_ERR, 13);
+ buffer += 13;
+
+ vsnprintf(buffer, sizeof(dbgbuf) - 13, info, ap);
+ }
+
+ va_end(ap);
+ DbgRamAdd(dbgbuf);
+ os_print(dbgbuf);
+}
+
+#if DBG || _DEBUG
+/*
+ * Function Name: DbgWarn
+ * Abstract: This Function is used to print warn log and add log to Ram buffer
+ *
+ * Input: u32 module; The module id which to print warn log
+ * byte ram: whether add the log to ram or not
+ * byte *info: the string for log
+ * Output:
+ *
+ * Return value: void
+ * Notes:
+ *
+ */
+
+void DbgWarn(u32 module, byte ram, byte *info, ...)
+{
+#define DBG_PREFIX_WARN "BHT-WARNING: "
+
+ byte dbgbuf[512];
+ va_list ap;
+
+ va_start(ap, info);
+ if (module & g_dbg_module) {
+ byte *buffer;
+
+ buffer = dbgbuf;
+ os_memcpy(buffer, DBG_PREFIX_WARN, 13);
+ buffer += 13;
+
+ vsnprintf(buffer, sizeof(dbgbuf) - 13, info, ap);
+ }
+
+ va_end(ap);
+ if (module & g_dbg_module) {
+ os_print(dbgbuf);
+ if (ram)
+ DbgRamAdd(dbgbuf);
+ }
+}
+
+/*
+ * Function Name: DbgWarn
+ * Abstract: This Function is used to print info log and add log to Ram buffer
+ *
+ * Input: u32 module; The module id which to print info log
+ * u32 feature: The feature the info is
+ * byte ram: whether add the log to ram or not
+ * byte *info: the string for log
+ * Output:
+ *
+ * Return value: void
+ * Notes:
+ *
+ */
+void DbgInfo(u32 module, u32 feature, byte ram, byte *info, ...)
+{
+ byte dbgbuf[512];
+ va_list ap;
+
+ va_start(ap, info);
+ if ((module & g_dbg_module) && (g_dbg_feature & feature)) {
+ byte *buffer;
+ u32 idx = fls32(module);
+
+ if (idx > 20)
+ idx = 21;
+ buffer = dbgbuf;
+ os_memcpy(buffer, dbg_module[idx], 13);
+ buffer += 13;
+
+ vsnprintf(buffer, sizeof(dbgbuf) - 13, info, ap);
+ }
+
+ va_end(ap);
+ if ((module & g_dbg_module) && (g_dbg_feature & feature)) {
+ os_print(dbgbuf);
+ if (ram)
+ DbgRamAdd(dbgbuf);
+ }
+}
+
+#ifdef DBG_PERFORMANCE
+static u64 cputick2_100ns(u64 period, u64 freq)
+{
+
+ u64 timeIn100ns = 0;
+
+ if (freq > 0) {
+ /* difference between performance counters, needs to convert to 100ns. */
+ u64 countersDiff = period;
+
+ /* get seconds */
+ timeIn100ns = countersDiff / freq;
+
+ /* get milliseconds */
+ countersDiff = (countersDiff % freq) * 1000;
+ timeIn100ns *= 1000;
+ timeIn100ns += countersDiff / freq;
+
+ /* get 100 nanoseconds */
+ countersDiff = (countersDiff % freq) * 10000;
+ timeIn100ns *= 10000;
+ timeIn100ns += countersDiff / freq;
+ }
+
+ return timeIn100ns;
+
+}
+
+void calc_req_start(tPerTick *tick, u32 sec_cnt, bool bWrite)
+{
+ u64 period = 0;
+ u64 cpu;
+
+ period = os_get_performance_tick(&cpu);
+ if (tick->tick_io_end == 0) {
+ os_memset(tick, 0, sizeof(tPerTick));
+ /* not calculate */
+ goto next;
+ }
+
+ /* not continue and not 1MB print */
+ if ((bWrite != tick->last_dir || sec_cnt != 0x800)
+ && (tick->io_cnt != 0)) {
+ DbgErr("Avg Write=%d iocnt=%d T1=%d T2=%d T3=%d\n",
+ tick->last_dir, tick->io_cnt,
+ cputick2_100ns(tick->avg_start_2_thr,
+ cpu) / tick->io_cnt,
+ cputick2_100ns(tick->avg_thr_2_iodone,
+ cpu) / tick->io_cnt,
+ (tick->io_cnt >
+ 1) ? cputick2_100ns(tick->avg_iodone_2_next,
+ cpu) / (tick->io_cnt - 1) : 0);
+ os_memset(tick, 0, sizeof(tPerTick));
+ }
+
+next:
+ if (sec_cnt == 0x800) {
+ tick->last_dir = bWrite;
+ tick->start_io_tick = tick->tick_start = period;
+ tick->io_cnt++;
+ if (tick->tick_io_end) {
+ period = (tick->tick_start - tick->tick_io_end);
+ tick->avg_iodone_2_next += period;
+ }
+ } else {
+ /* We conly calculate 1MB case */
+ os_memset(tick, 0, sizeof(tPerTick));
+ tick->start_io_tick = period;
+ }
+
+}
+
+void calc_io_end(tPerTick *tick)
+{
+ u64 period = 0;
+ u64 cpu_freq = 0;
+
+ period = os_get_performance_tick(&cpu_freq);
+ tick->io_duration =
+ cputick2_100ns(period - tick->start_io_tick, cpu_freq);
+ if (tick->tick_thr_start == 0)
+ return;
+
+ tick->tick_io_end = period;
+ {
+ period = tick->tick_io_end - tick->tick_thr_start;
+ tick->avg_thr_2_iodone += period;
+ }
+}
+
+void calc_thr_start(tPerTick *tick)
+{
+ u64 period = 0;
+
+ if (tick->tick_start == 0)
+ return;
+
+ tick->tick_thr_start = os_get_performance_tick(NULL);
+ {
+ period = tick->tick_thr_start - tick->tick_start;
+ tick->avg_start_2_thr += period;
+ }
+}
+#endif
+#endif
diff --git a/drivers/scsi/bht/util/util.c b/drivers/scsi/bht/util/util.c
new file mode 100644
index 000000000000..b7afd9bee9a0
--- /dev/null
+++ b/drivers/scsi/bht/util/util.c
@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2014 BHT Inc.
+ *
+ * File Name: util.c
+ *
+ * Abstract: This Include file used to implement platform independent APIs
+ *
+ * Version: 1.00
+ *
+ * Author: Peter.Guo
+ *
+ * Environment: OS Independent
+ *
+ * History:
+ *
+ * 8/25/2014 Creation Peter.Guo
+ */
+
+#include "../include/basic.h"
+#include "../include/debug.h"
+
+/*
+ *
+ * Function Name: swapu32
+ *
+ * Abstract:
+ *
+ * swap the u32 type byte order
+ *
+ * Input:
+ *
+ *
+ * Output:
+ *
+ * None
+ *
+ * Return value:
+ *
+ * none
+ *
+ * Notes:
+ */
+u32 swapu32(u32 value)
+{
+ u32 ret = ((value & 0xFF000000) >> 24) | ((value & 0x00FF0000) >> 8) |
+ ((value & 0x0000FF00) << 8) | ((value & 0x000000FF) << 24);
+ return ret;
+}
+
+static void *va_offset_va(void *va, u32 offset)
+{
+ va = (byte *) va + offset;
+ return va;
+}
+
+void pa_offset_pa(phy_addr_t *pa, u32 offset)
+{
+ u32 pal = 0, pah = 0;
+ u64 pa64 = 0;
+
+ pal = os_get_phy_addr32l(*pa);
+ pah = os_get_phy_addr32h(*pa);
+ pa64 = pah;
+ pa64 <<= 32;
+ pa64 += pal;
+ pa64 += offset;
+ os_set_phy_add64(pa, pa64);
+}
+
+bool resize_dma_buf(dma_desc_buf_t *p, u32 sz)
+{
+ if (sz > p->len) {
+ DbgErr("try to put over size to buf\n");
+ return FALSE;
+ }
+ p->va = va_offset_va(p->va, sz);
+ pa_offset_pa(&p->pa, sz);
+ p->len = p->len - sz;
+ return TRUE;
+}
+
+void dump_dma_buf(char *str, const dma_desc_buf_t *pdma)
+{
+}
+
+u32 fls32(u32 x)
+{
+ s32 i;
+
+ for (i = 31; i >= 0; i--) {
+ if (x & (1 << i))
+ return i;
+ }
+
+ return 0;
+}
+
+/*
+ * This function will generate percetage of specified value
+ */
+bool random_percent_check(u32 percent)
+{
+ u32 val = 0;
+
+ val = os_random_get(100);
+
+ if (val >= (100 - percent))
+ return TRUE;
+ else
+ return FALSE;
+}
+
+void util_init_waitloop(void *pdx, u32 timeout_ms, u32 per_us,
+ loop_wait_t *wait)
+{
+ if (((bht_dev_ext_t *) pdx)->dump_mode == FALSE) {
+ wait->dump_mode = FALSE;
+ wait->tick = os_get_cur_tick();
+ wait->timeout = timeout_ms;
+ } else {
+ wait->dump_mode = TRUE;
+ wait->tick = per_us;
+ wait->timeout = timeout_ms * 1000;
+ }
+}
+
+bool util_is_timeout(loop_wait_t *wait)
+{
+ bool ret = FALSE;
+
+ if (wait->dump_mode == FALSE) {
+ ret = os_is_timeout(wait->tick, wait->timeout);
+ } else {
+ if (wait->timeout == 0)
+ ret = TRUE;
+ wait->timeout -= os_min(wait->timeout, wait->tick);
+ }
+
+ return ret;
+}
--
2.34.1
