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crypto: qat - relocate power management debugfs helper APIs

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Relocate the power management debugfs helper APIs in a common file
adf_pm_dbgfs_utils.h and adf_pm_dbgfs_utils.c so that it can be shared
between device generations.

When moving logic from adf_gen4_pm_debugfs.c to adf_pm_dbgfs_utils.c, the
include kernel.h has been replaced with the required include.

This does not introduce any functional change.

Signed-off-by: George Abraham P <george.abraham.p@intel.com>
Signed-off-by: Suman Kumar Chakraborty <suman.kumar.chakraborty@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
George Abraham P 2025-07-07 13:28:45 +01:00 committed by Herbert Xu
parent e83cfb8ff1
commit 7c68005a46
4 changed files with 108 additions and 86 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/crypto/intel/qat/qat_common/Makefile
View File

@ -52,6 +52,7 @@ intel_qat-$(CONFIG_DEBUG_FS) += adf_cnv_dbgfs.o \
adf_heartbeat_dbgfs.o \
adf_heartbeat.o \
adf_pm_dbgfs.o \
adf_pm_dbgfs_utils.o \
adf_telemetry.o \
adf_tl_debugfs.o \
adf_transport_debug.o

105
drivers/crypto/intel/qat/qat_common/adf_gen4_pm_debugfs.c
View File

@ -1,47 +1,18 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright(c) 2023 Intel Corporation */
#include <linux/dma-mapping.h>
#include <linux/kernel.h>
#include <linux/string_helpers.h>
#include <linux/stringify.h>
#include "adf_accel_devices.h"
#include "adf_admin.h"
#include "adf_common_drv.h"
#include "adf_gen4_pm.h"
#include "adf_pm_dbgfs_utils.h"
#include "icp_qat_fw_init_admin.h"
/*
* This is needed because a variable is used to index the mask at
* pm_scnprint_table(), making it not compile time constant, so the compile
* asserts from FIELD_GET() or u32_get_bits() won't be fulfilled.
*/
#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
#define PM_INFO_MEMBER_OFF(member) \
(offsetof(struct icp_qat_fw_init_admin_pm_info, member) / sizeof(u32))
#define PM_INFO_REGSET_ENTRY_MASK(_reg_, _field_, _mask_) \
{ \
.reg_offset = PM_INFO_MEMBER_OFF(_reg_), \
.key = __stringify(_field_), \
.field_mask = _mask_, \
}
#define PM_INFO_REGSET_ENTRY32(_reg_, _field_) \
PM_INFO_REGSET_ENTRY_MASK(_reg_, _field_, GENMASK(31, 0))
#define PM_INFO_REGSET_ENTRY(_reg_, _field_) \
PM_INFO_REGSET_ENTRY_MASK(_reg_, _field_, ADF_GEN4_PM_##_field_##_MASK)
#define PM_INFO_MAX_KEY_LEN 21
struct pm_status_row {
int reg_offset;
u32 field_mask;
const char *key;
};
static const struct pm_status_row pm_fuse_rows[] = {
PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM),
PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM_IDLE),
@ -109,44 +80,6 @@ static const struct pm_status_row pm_csrs_rows[] = {
PM_INFO_REGSET_ENTRY32(pm.pwrreq, CPM_PM_PWRREQ),
};
static int pm_scnprint_table(char *buff, const struct pm_status_row *table,
u32 *pm_info_regs, size_t buff_size, int table_len,
bool lowercase)
{
char key[PM_INFO_MAX_KEY_LEN];
int wr = 0;
int i;
for (i = 0; i < table_len; i++) {
if (lowercase)
string_lower(key, table[i].key);
else
string_upper(key, table[i].key);
wr += scnprintf(&buff[wr], buff_size - wr, "%s: %#x\n", key,
field_get(table[i].field_mask,
pm_info_regs[table[i].reg_offset]));
}
return wr;
}
static int pm_scnprint_table_upper_keys(char *buff, const struct pm_status_row *table,
u32 *pm_info_regs, size_t buff_size,
int table_len)
{
return pm_scnprint_table(buff, table, pm_info_regs, buff_size,
table_len, false);
}
static int pm_scnprint_table_lower_keys(char *buff, const struct pm_status_row *table,
u32 *pm_info_regs, size_t buff_size,
int table_len)
{
return pm_scnprint_table(buff, table, pm_info_regs, buff_size,
table_len, true);
}
static_assert(sizeof(struct icp_qat_fw_init_admin_pm_info) < PAGE_SIZE);
static ssize_t adf_gen4_print_pm_status(struct adf_accel_dev *accel_dev,
@ -191,9 +124,9 @@ static ssize_t adf_gen4_print_pm_status(struct adf_accel_dev *accel_dev,
/* Fusectl related */
len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
"----------- PM Fuse info ---------\n");
len += pm_scnprint_table_lower_keys(&pm_kv[len], pm_fuse_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_fuse_rows));
len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_fuse_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_fuse_rows));
len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "max_pwrreq: %#x\n",
pm_info->max_pwrreq);
len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "min_pwrreq: %#x\n",
@ -204,28 +137,28 @@ static ssize_t adf_gen4_print_pm_status(struct adf_accel_dev *accel_dev,
"------------ PM Info ------------\n");
len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "power_level: %s\n",
pm_info->pwr_state == PM_SET_MIN ? "min" : "max");
len += pm_scnprint_table_lower_keys(&pm_kv[len], pm_info_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_info_rows));
len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_info_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_info_rows));
len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "pm_mode: STATIC\n");
/* SSM related */
len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
"----------- SSM_PM Info ----------\n");
len += pm_scnprint_table_lower_keys(&pm_kv[len], pm_ssm_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_ssm_rows));
len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_ssm_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_ssm_rows));
/* Log related */
len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
"------------- PM Log -------------\n");
len += pm_scnprint_table_lower_keys(&pm_kv[len], pm_log_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_log_rows));
len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_log_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_log_rows));
len += pm_scnprint_table_lower_keys(&pm_kv[len], pm_event_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_event_rows));
len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_event_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_event_rows));
len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "idle_irq_count: %#x\n",
pm->idle_irq_counters);
@ -241,9 +174,9 @@ static ssize_t adf_gen4_print_pm_status(struct adf_accel_dev *accel_dev,
/* CSRs content */
len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
"----------- HW PM CSRs -----------\n");
len += pm_scnprint_table_upper_keys(&pm_kv[len], pm_csrs_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_csrs_rows));
len += adf_pm_scnprint_table_upper_keys(&pm_kv[len], pm_csrs_rows,
pm_info_regs, PAGE_SIZE - len,
ARRAY_SIZE(pm_csrs_rows));
val = ADF_CSR_RD(pmisc, ADF_GEN4_PM_HOST_MSG);
len += scnprintf(&pm_kv[len], PAGE_SIZE - len,

52
drivers/crypto/intel/qat/qat_common/adf_pm_dbgfs_utils.c Normal file
View File

@ -0,0 +1,52 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright(c) 2025 Intel Corporation */
#include <linux/bitops.h>
#include <linux/sprintf.h>
#include <linux/string_helpers.h>
#include "adf_pm_dbgfs_utils.h"
/*
* This is needed because a variable is used to index the mask at
* pm_scnprint_table(), making it not compile time constant, so the compile
* asserts from FIELD_GET() or u32_get_bits() won't be fulfilled.
*/
#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
#define PM_INFO_MAX_KEY_LEN 21
static int pm_scnprint_table(char *buff, const struct pm_status_row *table,
u32 *pm_info_regs, size_t buff_size, int table_len,
bool lowercase)
{
char key[PM_INFO_MAX_KEY_LEN];
int wr = 0;
int i;
for (i = 0; i < table_len; i++) {
if (lowercase)
string_lower(key, table[i].key);
else
string_upper(key, table[i].key);
wr += scnprintf(&buff[wr], buff_size - wr, "%s: %#x\n", key,
field_get(table[i].field_mask,
pm_info_regs[table[i].reg_offset]));
}
return wr;
}
int adf_pm_scnprint_table_upper_keys(char *buff, const struct pm_status_row *table,
u32 *pm_info_regs, size_t buff_size, int table_len)
{
return pm_scnprint_table(buff, table, pm_info_regs, buff_size,
table_len, false);
}
int adf_pm_scnprint_table_lower_keys(char *buff, const struct pm_status_row *table,
u32 *pm_info_regs, size_t buff_size, int table_len)
{
return pm_scnprint_table(buff, table, pm_info_regs, buff_size,
table_len, true);
}

36
drivers/crypto/intel/qat/qat_common/adf_pm_dbgfs_utils.h Normal file
View File

@ -0,0 +1,36 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright(c) 2025 Intel Corporation */
#ifndef ADF_PM_DBGFS_UTILS_H_
#define ADF_PM_DBGFS_UTILS_H_
#include <linux/stddef.h>
#include <linux/stringify.h>
#include <linux/types.h>
#include "icp_qat_fw_init_admin.h"
#define PM_INFO_MEMBER_OFF(member) \
(offsetof(struct icp_qat_fw_init_admin_pm_info, member) / sizeof(u32))
#define PM_INFO_REGSET_ENTRY_MASK(_reg_, _field_, _mask_) \
{ \
.reg_offset = PM_INFO_MEMBER_OFF(_reg_), \
.key = __stringify(_field_), \
.field_mask = _mask_, \
}
#define PM_INFO_REGSET_ENTRY32(_reg_, _field_) \
PM_INFO_REGSET_ENTRY_MASK(_reg_, _field_, GENMASK(31, 0))
struct pm_status_row {
int reg_offset;
u32 field_mask;
const char *key;
};
int adf_pm_scnprint_table_upper_keys(char *buff, const struct pm_status_row *table,
u32 *pm_info_regs, size_t buff_size, int table_len);
int adf_pm_scnprint_table_lower_keys(char *buff, const struct pm_status_row *table,
u32 *pm_info_regs, size_t buff_size, int table_len);
#endif /* ADF_PM_DBGFS_UTILS_H_ */