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ufs_cmds.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/* Copyright (C) 2019 Western Digital Corporation or its affiliates */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <ctype.h>
#include <endian.h>
#include <errno.h>
#include <stdint.h>
#include "ufs.h"
#include "ufs_cmds.h"
#include "options.h"
#define STR_BUF_LEN 33
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define ATTR_RSRV() "Reserved", BYTE, ACC_INVALID, MODE_INVALID, LEVEL_INVALID
struct desc_field_offset device_desc_field_name[] = {
{"bLength", 0x00, BYTE},
{"bDescriptorType", 0x01, BYTE},
{"bDevice", 0x02, BYTE},
{"bDeviceClass", 0x03, BYTE},
{"bDeviceSubClass", 0x04, BYTE},
{"bProtocol", 0x05, BYTE},
{"bNumberLU", 0x06, BYTE},
{"bNumberWLU", 0x07, BYTE},
{"bBootEnable", 0x08, BYTE},
{"bDescrAccessEn", 0x09, BYTE},
{"bInitPowerMode", 0x0A, BYTE},
{"bHighPriorityLUN", 0x0B, BYTE},
{"bSecureRemovalType", 0x0C, BYTE},
{"bSecurityLU", 0x0D, BYTE},
{"bBackgroundOpsTermLat", 0x0E, BYTE},
{"bInitActiveICCLevel", 0x0F, BYTE},
{"wSpecVersion", 0x10, WORD},
{"wManufactureDate", 0x12, WORD},
{"iManufactureName", 0x14, BYTE},
{"iProductName", 0x15, BYTE},
{"iSerialNumber", 0x16, BYTE},
{"iOemID", 0x17, BYTE},
{"ManufacturerID", 0x18, WORD},
{"bUD0BaseOffset", 0x1A, BYTE},
{"bUDConfigPLength", 0x1B, BYTE},
{"bDeviceRTTCap", 0x1C, BYTE},
{"wPeriodicRTCUpdate", 0x1D, WORD},
{"bUFSFeaturesSupport", 0x1F, BYTE},
{"bFFUTimeout", 0x20, BYTE},
{"bQueueDepth", 0x21, BYTE},
{"wDeviceVersion", 0x22, WORD},
{"bNumSecureWPArea", 0x24, BYTE},
{"dPSAMaxDataSize", 0x25, DWORD},
{"bPSAStateTimeout", 0x29, BYTE},
{"iProductRevisionLevel", 0x2A, BYTE}
};
struct desc_field_offset device_config_desc_field_name[] = {
{"bLength", 0x00, BYTE},
{"bDescriptorType", 0x01, BYTE},
{"bConfDescContinue", 0x02, BYTE},
{"bBootEnable", 0x03, BYTE},
{"bDescrAccessEn", 0x04, BYTE},
{"bInitPowerMode", 0x05, BYTE},
{"bHighPriorityLUN", 0x06, BYTE},
{"bSecureRemovalType", 0x07, BYTE},
{"bInitActiveICCLevel", 0x08, BYTE},
{"wPeriodicRTCUpdate", 0x09, WORD},
{"bRPMBRegionEnable", 0x0C, BYTE},
{"bRPMBRegion1Size", 0x0D, BYTE},
{"bRPMBRegion2Size", 0x0E, BYTE},
{"bRPMBRegion3Size", 0x0F, BYTE},
};
struct desc_field_offset device_config_unit_desc_field_name[] = {
{"bLUEnable", 0x00, BYTE},
{"bBootLunID", 0x01, BYTE},
{"bLUWriteProtect", 0x02, BYTE},
{"bMemoryType", 0x03, BYTE},
{"dNumAllocUnits", 0x04, DWORD},
{"bDataReliability", 0x08, BYTE},
{"bLogicalBlockSize", 0x09, BYTE},
{"bProvisioningType", 0x0A, BYTE},
{"wContextCapabilities", 0x0B, WORD}
};
struct desc_field_offset device_geo_desc_conf_field_name[] = {
{"bLength", 0x00, BYTE},
{"bDescriptorType ", 0x01, BYTE},
{"bMediaTechnology", 0x02, BYTE},
{"qTotalRawDeviceCapacity", 0x04, DDWORD},
{"bMaxNumberLU", 0x0C, BYTE},
{"dSegmentSize", 0x0D, DWORD},
{"bAllocationUnitSize", 0x11, BYTE},
{"bMinAddrBlockSize", 0x12, BYTE},
{"bOptimalReadBlockSize", 0x13, BYTE},
{"bOptimalWriteBlockSize", 0x14, BYTE},
{"bMaxInBufferSize", 0x15, BYTE},
{"bMaxOutBufferSize", 0x16, BYTE},
{"bRPMB_ReadWriteSize", 0x17, BYTE},
{"bDynamicCapacityResourcePolicy", 0x18, BYTE},
{"bDataOrdering", 0x19, BYTE},
{"bMaxContexIDNumber", 0x1A, BYTE},
{"bSysDataTagUnitSize", 0x1B, BYTE},
{"bSysDataTagResSize", 0x1C, BYTE},
{"bSupportedSecRTypes", 0x1D, BYTE},
{"wSupportedMemoryTypes", 0x1E, WORD},
{"dSystemCodeMaxNAllocU", 0x20, DWORD},
{"wSystemCodeCapAdjFac", 0x24, DWORD},
{"dNonPersistMaxNAllocU", 0x26, DWORD},
{"wNonPersistCapAdjFac", 0x2A, WORD},
{"dEnhanced1MaxNAllocU", 0x2C, DWORD},
{"wEnhanced1CapAdjFac", 0x30, WORD},
{"dEnhanced2MaxNAllocU", 0x32, DWORD},
{"wEnhanced2CapAdjFac", 0x36, WORD},
{"dEnhanced3MaxNAllocU", 0x38, DWORD},
{"wEnhanced3CapAdjFac", 0x3C, WORD},
{"dEnhanced4MaxNAllocU", 0x3E, DWORD},
{"wEnhanced4CapAdjFac", 0X42, WORD},
{"dOptimalLogicalBlockSize", 0X44, DWORD}
};
struct desc_field_offset device_interconnect_desc_conf_field_name[] = {
{"bLength", 0x00, BYTE},
{"bDescriptorType", 0x01, BYTE},
{"bcdUniproVersion", 0x02, WORD},
{"bcdMphyVersion ", 0x04, WORD},
};
struct desc_field_offset device_unit_desc_field_name[] = {
{"bLength", 0x00, BYTE},
{"bDescriptorType", 0x01, BYTE},
{"bUnitIndex", 0x02, BYTE},
{"bLUEnable", 0x03, BYTE},
{"bBootLunID", 0x04, BYTE},
{"bLUWriteProtect", 0x05, BYTE},
{"bLUQueueDepth", 0x06, BYTE},
{"bPSASensitive", 0x07, BYTE},
{"bMemoryType", 0x08, BYTE},
{"bDataReliability", 0x09, BYTE},
{"bLogicalBlockSize", 0x0A, BYTE},
{"qLogicalBlockCount", 0x0B, DDWORD},
{"dEraseBlockSize", 0x13, DWORD},
{"bProvisioningType", 0x17, BYTE},
{"qPhyMemResourceCount", 0x18, DDWORD},
{"wContextCapabilities", 0x20, WORD},
{"bLargeUnitGranularity_M1", 0x22, BYTE}
};
struct desc_field_offset device_unit_rpmb_desc_field_name[] = {
{"bLength", 0x00, BYTE},
{"bDescriptorType", 0x01, BYTE},
{"bUnitIndex", 0x02, BYTE},
{"bLUEnable", 0x03, BYTE},
{"bBootLunID", 0x04, BYTE},
{"bLUWriteProtect", 0x05, BYTE},
{"bLUQueueDepth", 0x06, BYTE},
{"bPSASensitive", 0x07, BYTE},
{"bMemoryType", 0x08, BYTE},
{"bRPMBRegionEnable", 0x09, BYTE},
{"bLogicalBlockSize", 0x0A, BYTE},
{"qLogicalBlockCount", 0x0B, DDWORD},
{"bRPMBRegion0Size", 0x13, BYTE},
{"bRPMBRegion1Size", 0x14, BYTE},
{"bRPMBRegion2Size", 0x15, BYTE},
{"bRPMBRegion3Size", 0x16, BYTE},
{"bProvisioningType", 0x17, BYTE},
{"qPhyMemResourceCount", 0x18, DDWORD},
{"wContextCapabilities", 0x20, WORD},
{"wContextCapabilities", 0x22, BYTE},
};
struct desc_field_offset device_power_desc_conf_field_name[] = {
{"bLength", 0x00, BYTE},
{"bDescriptorType", 0x01, BYTE},
{"wActiveICCLevelsVCC", 0x02, 32},
{"wActiveICCLevelsVCCQ", 0x22, 32},
{"wActiveICCLevelsVCCQ2", 0x42, 32}
};
struct desc_field_offset device_health_desc_conf_field_name[] = {
{"bLength", 0x00, BYTE},
{"bDescriptorType", 0x01, BYTE},
{"bPreEOLInfo", 0x02, BYTE},
{"bDeviceLifeTimeEstA", 0x03, BYTE},
{"bDeviceLifeTimeEstB", 0x04, BYTE},
{"VendorPropInfo", 0x05, 32},
{"dRefreshTotalCount", 0x25, DWORD},
{"dRefreshProgress", 0x29, DWORD},
};
struct query_err_res {
char *name;
__u8 opcode;
};
struct attr_fields ufs_attrs[] = {
{"bBootLunEn", BYTE, (URD|UWRT), (READ_ONLY|WRITE_PRSIST), DEV},
{"Reserved", BYTE, (ACC_INVALID), MODE_INVALID, LEVEL_INVALID},
{"bCurrentPowerMode", BYTE, URD, READ_ONLY, DEV},
{"bActiveICCLevel", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"bOutOfOrderDataEn", BYTE, (URD|UWRT), (READ_NRML|WRITE_ONCE), DEV},
{"bBackgroundOpStatus", BYTE, URD, READ_ONLY, DEV},
{"bPurgeStatus", BYTE, URD, READ_ONLY, DEV},
{"bMaxDataInSize", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"bMaxDataOutSize", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"dDynCapNeeded", WORD, URD, READ_ONLY, DEV},
{"bRefClkFreq", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"bConfigDescrLock", BYTE, (URD|UWRT), (READ_NRML|WRITE_ONCE), DEV},
{"bMaxNumOfRTT", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"wExceptionEventControl", WORD, URD, READ_NRML, DEV},
{"wExceptionEventStatus", WORD, URD, READ_ONLY, DEV},
{"dSecondsPassed", DWORD, UWRT, WRITE_ONLY, DEV},
{"wContextConf", WORD, (URD|UWRT), (READ_NRML|WRITE_VLT), ARRAY},
{"Reserved", BYTE, ACC_INVALID, MODE_INVALID, LEVEL_INVALID},
{"Reserved", BYTE, ACC_INVALID, MODE_INVALID, LEVEL_INVALID},
{"Reserved", BYTE, ACC_INVALID, MODE_INVALID, LEVEL_INVALID},
{"bDeviceFFUStatus", BYTE, URD, READ_ONLY, DEV},
{"bPSAState", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"dPSADataSize", DWORD, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"bRefClkGatingWaitTime", BYTE, URD, READ_ONLY, DEV},
{"bDeviceCaseRoughTemperaure", BYTE, URD, READ_ONLY, DEV},
{"bDeviceTooHighTempBoundary", BYTE, URD, READ_ONLY, DEV},
{"bDeviceTooLowTempBoundary", BYTE, URD, READ_ONLY, DEV},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{ATTR_RSRV()},
{"bRefreshStatus", BYTE, URD, READ_ONLY, DEV},
{"bRefreshFreq", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"bRefreshUnit", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"bRefreshMethod", BYTE, (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV}
};
struct flag_fields ufs_flags[] = {
{"Reserved", ACC_INVALID, MODE_INVALID, LEVEL_INVALID},
{"fDeviceInit", (URD|UWRT), (READ_NRML|SET_ONLY), DEV},
{"fPermanentWPEn", (URD|UWRT), (READ_NRML|WRITE_ONCE), DEV},
{"fPowerOnWPEn", (URD|UWRT), (READ_NRML|WRITE_PWR), DEV},
{"fBackgroundOpsEn", (URD|UWRT), (READ_NRML|WRITE_VLT), DEV},
{"fDeviceLifeSpanModeEn", (URD|UWRT), (READ_NRML|WRITE_VLT), DEV},
{"fPurgeEnable", UWRT, (WRITE_ONLY|WRITE_VLT), DEV},
{"fRefreshEnable", UWRT, (WRITE_ONLY|WRITE_VLT), DEV},
{"fPhyResourceRemoval", (URD|UWRT), (READ_NRML|WRITE_PRSIST), DEV},
{"fBusyRTC", URD, READ_ONLY, DEV},
{"Reserved", ACC_INVALID, MODE_INVALID, LEVEL_INVALID},
{"fPermanentlyDisableFw", (URD|UWRT), (READ_NRML|WRITE_ONCE), DEV},
};
static struct query_err_res query_err_status[] = {
{"Success", 0xF0},
{"Reserved1", 0xF1},
{"Reserved2", 0xF2},
{"Reserved3", 0xF3},
{"Reserved4", 0xF4},
{"Reserved5", 0xF5},
{"Parameter not readable", 0xF6},
{"Parameter not written", 0xF7},
{"Parameter already written", 0xF8},
{"Invalid LENGTH", 0xF9},
{"Invalid value", 0xFA},
{"Invalid SELECTOR", 0xFB},
{"Invalid INDEX", 0xFC},
{"Invalid IDN", 0xFD},
{"Invalid OPCODE", 0xFE},
{"General failure", 0xFF}
};
int do_read_desc(int fd, struct ufs_bsg_request *bsg_req,
struct ufs_bsg_reply *bsg_rsp, __u8 idn, __u8 index,
__u16 desc_buf_len, __u8 *data_buf);
static int do_unit_desc(int fd, __u8 lun);
static int do_power_desc(int fd);
static int do_conf_desc(int fd, __u8 opt, __u8 index, char *data_file);
static int do_string_desc(int fd, char *str_data, __u8 idn, __u8 opr,
__u8 index);
int do_query_rq(int fd, struct ufs_bsg_request *bsg_req,
struct ufs_bsg_reply *bsg_rsp, __u8 query_req_func,
__u8 opcode, __u8 idn, __u8 index, __u8 sel,
__u16 req_buf_len, __u16 res_buf_len, __u8 *data_buf);
static int do_write_desc(int fd, struct ufs_bsg_request *bsg_req,
struct ufs_bsg_reply *bsg_rsp, __u8 idn, __u8 index,
__u16 desc_buf_len, __u8 *data_buf);
static void query_response_error(__u8 opcode, __u8 idn);
static void print_power_desc_icc(__u8 *desc_buf, int vccIndex)
{
int i, offset = 0;
struct desc_field_offset *tmp;
if (vccIndex < 2 ||
vccIndex > ARRAY_SIZE(device_power_desc_conf_field_name) - 1) {
print_error("Illegal power desc index %d", vccIndex);
return;
}
tmp = &device_power_desc_conf_field_name[vccIndex];
offset = tmp->offset;
printf("\nPower Descriptor %s", tmp->name);
for (i = offset; i < offset + 32 ; i += 2) {
printf("\nLevel %2d value : 0x%x", (i - offset)/2,
be16toh((__u16)desc_buf[i]));
}
printf("\n");
}
void print_descriptors(char *desc_str, __u8 *desc_buf,
struct desc_field_offset *desc_array, int arr_size)
{
int i;
struct desc_field_offset *tmp;
char str_buf[STR_BUF_LEN];
for (i = 0; i < arr_size; ++i) {
tmp = &desc_array[i];
if (tmp->width_in_bytes == BYTE) {
printf("%s [Byte offset 0x%x]: %s = 0x%x\n", desc_str,
tmp->offset, tmp->name, desc_buf[tmp->offset]);
} else if (tmp->width_in_bytes == WORD) {
printf("%s [Byte offset 0x%x]: %s = 0x%x\n", desc_str,
tmp->offset, tmp->name,
be16toh(*(__u16 *)&desc_buf[tmp->offset]));
} else if (tmp->width_in_bytes == DWORD) {
printf("%s [Byte offset 0x%x]: %s = 0x%x\n", desc_str,
tmp->offset, tmp->name,
be32toh(*(__u32 *)&desc_buf[tmp->offset]));
} else if (tmp->width_in_bytes == DDWORD) {
printf("%s [Byte offset 0x%x]: %s = 0x%lx\n",
desc_str, tmp->offset, tmp->name,
be64toh(*(__u64 *)&desc_buf[tmp->offset]));
} else if ((tmp->width_in_bytes > DDWORD) &&
tmp->width_in_bytes < STR_BUF_LEN) {
memset(str_buf, 0, STR_BUF_LEN);
memcpy(str_buf, &desc_buf[tmp->offset],
tmp->width_in_bytes);
printf("%s [Byte offset 0x%x]: %s = %s\n", desc_str,
tmp->offset, tmp->name, str_buf);
} else {
printf("%s [Byte offset 0x%x]: %s Wrong Width = %d",
desc_str, tmp->offset, tmp->name,
tmp->width_in_bytes);
}
}
}
static char *access_type_string(__u8 current_att, __u8 config_type,
char *access_string)
{
enum acc_mode mode;
switch (config_type) {
case ATTR_TYPE:
if (current_att >= QUERY_ATTR_IDN_MAX)
return NULL;
mode = ufs_attrs[current_att].acc_mode;
break;
case FLAG_TYPE:
if (current_att >= QUERY_FLAG_IDN_MAX)
return NULL;
mode = ufs_flags[current_att].acc_mode;
break;
default:
return NULL;
}
if (mode & READ_NRML)
strcat(access_string, " | Read");
if (mode & READ_ONLY)
strcat(access_string, " | ReadOnly");
if (mode & WRITE_ONLY)
strcat(access_string, " | WriteOnly");
if (mode & WRITE_ONCE)
strcat(access_string, " | WriteOnce");
if (mode & WRITE_PRSIST)
strcat(access_string, " | Persistent");
if (mode & WRITE_VLT)
strcat(access_string, " | Volatile");
if (mode & SET_ONLY)
strcat(access_string, " | SetOnly");
if (mode & WRITE_PWR)
strcat(access_string, " | ResetOnPower");
return access_string;
}
static void query_response_error(__u8 opcode, __u8 idn)
{
__u8 query_response_inx = opcode & 0x0F;
printf("\n %s, for idn 0x%02x\n",
query_err_status[query_response_inx].name, idn);
}
void desc_help(char *tool_name)
{
printf("\n Descriptor command usage:\n");
printf("\n\t%s desc [-t] <descriptor idn> [-a|-r|-w] <data> [-p] "
"<device_path> \n", tool_name);
printf("\n\t-t\t description type idn\n"
"\t\t Available description types based on UFS ver 3.0 :\n"
"\t\t\t0:\tDevice\n"
"\t\t\t1:\tConfiguration\n"
"\t\t\t2:\tUnit\n"
"\t\t\t3:\tRFU\n"
"\t\t\t4:\tInterconnect\n"
"\t\t\t5:\tString\n"
"\t\t\t6:\tRFU\n"
"\t\t\t7:\tGeometry\n"
"\t\t\t8:\tPower\n"
"\t\t\t9:\tDevice Health\n"
"\t\t\t10..255: RFU\n");
printf("\n\t-r\t read operation (default) for readable descriptors\n");
printf("\n\t-w\t write operation , for writable descriptors\n");
printf("\t\t Set the input configuration file after -w opt\n");
printf("\t\t for Configuration descriptor\n");
printf("\t\t Set the input string after -w opt\n");
printf("\t\t for String descriptor\n");
printf("\n\t-i\t Set index parameter(default = 0)\n");
printf("\n\t-p\t path to ufs bsg device\n");
}
void attribute_help(char *tool_name)
{
__u8 current_att = 0;
char access_string[100] = {0};
printf("\n Attributes command usage:\n");
printf("\n\t%s attr [-t] <attr_idn> [-a|-r|-w] <data_hex> [-p]"
" <device_path> \n", tool_name);
printf("\n\t-t\t Attributes type idn\n"
"\t\t Available attributes and its access based on"
" UFS ver 3.0 :\n");
while (current_att < ARRAY_SIZE(ufs_attrs)) {
printf("\t\t\t %-3d: %-25s %s\n",
current_att,
ufs_attrs[current_att].name,
access_type_string(current_att, ATTR_TYPE,
access_string));
current_att++;
memset(access_string, 0, 100);
}
printf("\n\t-a\tread and print all readable attributes"
" for the device\n");
printf("\n\t-r\tread operation (default), for readable attribute(s)\n");
printf("\n\t-w\twrite operation (with hex data),"
" for writable attribute\n");
printf("\n\t-p\tpath to ufs bsg device\n");
printf("\n\tExample - Read bBootLunEn\n"
"\t\t%s attr -t 0 -p /dev/ufs-bsg\n", tool_name);
}
void flag_help(char *tool_name)
{
__u8 current_flag = 0;
char access_string[100] = {0};
printf("\n Flags command usage:\n");
printf("\n\t%s fl [-t] <flag idn> [-a|-r|-o|-e] [-p]"
" <device_path>\n", tool_name);
printf("\n\t-t\t Flags type idn\n"
"\t\t Available flags and its access, based on UFS ver 3.0 :\n");
while (current_flag < QUERY_FLAG_IDN_MAX) {
printf("\t\t\t %-3d: %-25s %s\n", current_flag,
ufs_flags[current_flag].name,
access_type_string(current_flag, FLAG_TYPE,
access_string));
current_flag++;
memset(access_string, 0, 100);
}
printf("\n\t-a\t read and print all readable flags for the device\n");
printf("\n\t-r\t read operation (default), for readable flag(s)\n");
printf("\n\t-e\t set flag operation\n");
printf("\n\t-c\t clear/reset flag operation\n");
printf("\n\t-o\t toggle flag operation\n");
printf("\n\t-p\t path to ufs bsg device\n");
printf("\n\tExample - Read the bkops operation flag\n"
"\t\t%s fl -t 4 -p /dev/ufs-bsg\n", tool_name);
}
int do_device_desc(int fd, __u8 *desc_buff)
{
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
__u8 data_buf[QUERY_DESC_DEVICE_MAX_SIZE] = {0};
int rc = 0;
rc = do_read_desc(fd, &bsg_req, &bsg_rsp,
QUERY_DESC_IDN_DEVICE, 0,
QUERY_DESC_DEVICE_MAX_SIZE, data_buf);
if (rc) {
print_error("Could not read device descriptor , error %d", rc);
goto out;
}
if (!desc_buff)
print_descriptors("Device Descriptor", data_buf,
device_desc_field_name,
ARRAY_SIZE(device_desc_field_name));
else
memcpy(desc_buff, data_buf, QUERY_DESC_DEVICE_MAX_SIZE);
out:
return rc;
}
static int do_unit_desc(int fd, __u8 lun)
{
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
__u8 data_buf[QUERY_DESC_UNIT_MAX_SIZE] = {0};
int ret = 0;
ret = do_read_desc(fd, &bsg_req, &bsg_rsp, QUERY_DESC_IDN_UNIT, lun,
QUERY_DESC_UNIT_MAX_SIZE, data_buf);
if (ret) {
print_error("Could not read unit descriptor error", ret);
goto out;
}
if (lun == 0xc4)
print_descriptors("RPMB LUN Descriptor", data_buf,
device_unit_rpmb_desc_field_name,
ARRAY_SIZE(device_unit_rpmb_desc_field_name));
else
print_descriptors("LUN Descriptor", data_buf,
device_unit_desc_field_name,
ARRAY_SIZE(device_unit_desc_field_name));
out:
return ret;
}
static int do_interconnect_desc(int fd)
{
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
__u8 data_buf[QUERY_DESC_INTERCONNECT_MAX_SIZE] = {0};
int ret = 0;
ret = do_read_desc(fd, &bsg_req, &bsg_rsp, QUERY_DESC_IDN_INTERCONNECT,
0, QUERY_DESC_INTERCONNECT_MAX_SIZE, data_buf);
if (ret) {
print_error("Could not read interconnect descriptor error %d",
ret);
goto out;
}
print_descriptors("Interconnect Descriptor", data_buf,
device_interconnect_desc_conf_field_name,
ARRAY_SIZE(device_interconnect_desc_conf_field_name));
out:
return ret;
}
static int do_geo_desc(int fd)
{
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
__u8 data_buf[QUERY_DESC_GEOMETRY_MAX_SIZE] = {0};
int ret = 0;
ret = do_read_desc(fd, &bsg_req, &bsg_rsp, QUERY_DESC_IDN_GEOMETRY, 0,
QUERY_DESC_GEOMETRY_MAX_SIZE, data_buf);
if (ret) {
print_error("Could not read geometry descriptor , error %d",
ret);
goto out;
}
print_descriptors("Geometry Descriptor", data_buf,
device_geo_desc_conf_field_name,
ARRAY_SIZE(device_geo_desc_conf_field_name));
out:
return ret;
}
static int do_power_desc(int fd)
{
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
__u8 data_buf[QUERY_DESC_POWER_MAX_SIZE] = {0};
int ret = 0;
ret = do_read_desc(fd, &bsg_req, &bsg_rsp,
QUERY_DESC_IDN_POWER, 0, QUERY_DESC_POWER_MAX_SIZE,
data_buf);
if (ret) {
print_error("Could not read power descriptor , error %d", ret);
goto out;
}
printf("Power Descriptor[Byte offset 0x%x]: %s = 0x%x\n",
device_power_desc_conf_field_name[0].offset,
device_power_desc_conf_field_name[0].name, data_buf[0]);
printf("Power Descriptor[Byte offset 0x%x]: %s = 0x%x\n",
device_power_desc_conf_field_name[1].offset,
device_power_desc_conf_field_name[1].name, data_buf[1]);
print_power_desc_icc(data_buf, 2);
print_power_desc_icc(data_buf, 3);
print_power_desc_icc(data_buf, 4);
out:
return ret;
}
static int do_health_desc(int fd)
{
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
__u8 data_buf[QUERY_DESC_HEALTH_MAX_SIZE] = {0};
int ret = 0;
ret = do_read_desc(fd, &bsg_req, &bsg_rsp, QUERY_DESC_IDN_HEALTH, 0,
QUERY_DESC_HEALTH_MAX_SIZE, data_buf);
if (ret) {
print_error("Could not read device health descriptor error %d",
ret);
goto out;
}
print_descriptors("Device Health Descriptor:", data_buf,
device_health_desc_conf_field_name,
ARRAY_SIZE(device_health_desc_conf_field_name));
out:
return ret;
}
static void create_str_desc_data(__u8 *dest_buf, const char *str, __u8 len)
{
int j = 3;
int i;
dest_buf[0] = len * 2 + 2;
dest_buf[1] = QUERY_DESC_IDN_STRING;
for (i = 0; i < len ; i++) {
dest_buf[j] = *(str++);
j = j + 2;
}
}
static int do_string_desc(int fd, char *str_data, __u8 idn, __u8 opr,
__u8 index)
{
int rc = 0;
__u8 data_buf[QUERY_DESC_STRING_MAX_SIZE] = {0};
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
int len, i;
if (opr == WRITE) {
len = strlen(str_data);
create_str_desc_data(data_buf, str_data, len);
rc = do_write_desc(fd, &bsg_req, &bsg_rsp,
QUERY_DESC_IDN_STRING, index,
len * 2 + 2, data_buf);
if (rc == OK)
printf("\nString Descriptor was written\n");
} else {
rc = do_read_desc(fd, &bsg_req, &bsg_rsp, QUERY_DESC_IDN_STRING,
index, QUERY_DESC_STRING_MAX_SIZE, data_buf);
if (!rc) {
printf("\nString Desc(Row data):\n");
for (i = 0; i < bsg_rsp.reply_payload_rcv_len; i++)
printf("0x%02x ", data_buf[i]);
printf("\n");
}
}
return rc;
}
static int do_conf_desc(int fd, __u8 opt, __u8 index, char *data_file)
{
int rc = OK;
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
__u8 conf_desc_buf[QUERY_DESC_CONFIGURAION_MAX_SIZE] = {0};
int offset, i;
int data_fd;
char *filename_header = "config_desc_data_ind_%d";
char output_file[30] = {0};
if (opt == WRITE) {
data_fd = open(data_file, O_RDONLY);
if (data_fd < 0) {
perror("can't open input file");
return ERROR;
}
if (read(data_fd, conf_desc_buf,
QUERY_DESC_CONFIGURAION_MAX_SIZE) !=
QUERY_DESC_CONFIGURAION_MAX_SIZE) {
print_error("Could not read config data from %s file",
data_file);
rc = ERROR;
goto out;
}
rc = do_write_desc(fd, &bsg_req, &bsg_rsp,
QUERY_DESC_IDN_CONFIGURAION, index,
QUERY_DESC_CONFIGURAION_MAX_SIZE,
conf_desc_buf);
if (!rc)
printf("Config Descriptor was written to device\n");
} else {
rc = do_read_desc(fd, &bsg_req, &bsg_rsp,
QUERY_DESC_IDN_CONFIGURAION,
index, QUERY_DESC_CONFIGURAION_MAX_SIZE,
conf_desc_buf);
if (!rc)
print_descriptors("Config Device Descriptor:",
conf_desc_buf,
device_config_desc_field_name,
ARRAY_SIZE(device_config_desc_field_name));
for (i = 0 ; i < 8; i++) {
offset = (16 * (i+1));
printf("Config %d Unit Descriptor:\n", i);
print_descriptors("Config Descriptor:",
conf_desc_buf + offset,
device_config_unit_desc_field_name,
ARRAY_SIZE(device_config_unit_desc_field_name));
}
sprintf(output_file, filename_header, index);
data_fd = open(output_file, O_WRONLY | O_CREAT,
S_IRUSR | S_IWUSR);
if (data_fd < 0) {
perror("can't open output file");
return ERROR;
}
if (write(data_fd, conf_desc_buf,
QUERY_DESC_CONFIGURAION_MAX_SIZE) !=
QUERY_DESC_CONFIGURAION_MAX_SIZE) {
print_error("Could not write config data into %s file",
output_file);
rc = ERROR;
goto out;
}
printf("Config Descriptor was written into %s file\n",
output_file);
}
out:
close(data_fd);
return rc;
}
int do_desc(struct tool_options *opt)
{
int fd;
int rc = OK;
int oflag = O_RDWR;
if (opt->opr == READ_ALL || opt->opr == READ)
oflag = O_RDONLY;
fd = open(opt->path, oflag);
if (fd < 0) {
print_error("open");
return ERROR;
}
if (opt->opr == READ_ALL) {
if (do_device_desc(fd, NULL) || do_unit_desc(fd, 0) ||
do_interconnect_desc(fd) || do_geo_desc(fd) ||
do_power_desc(fd) || do_health_desc(fd))
rc = ERROR;
goto out;
}
switch (opt->idn) {
case QUERY_DESC_IDN_DEVICE:
rc = do_device_desc(fd, NULL);
break;
case QUERY_DESC_IDN_CONFIGURAION:
if (opt->opr == READ)
rc = do_conf_desc(fd, opt->opr, opt->index, NULL);
else
rc = do_conf_desc(fd, opt->opr, opt->index,
(char *)opt->data);
break;
case QUERY_DESC_IDN_UNIT:
rc = do_unit_desc(fd, opt->index);
break;
case QUERY_DESC_IDN_GEOMETRY:
rc = do_geo_desc(fd);
break;
case QUERY_DESC_IDN_POWER:
rc = do_power_desc(fd);
break;
case QUERY_DESC_IDN_STRING:
rc = do_string_desc(fd, (char *)opt->data, opt->idn, opt->opr,
opt->index);
break;
case QUERY_DESC_IDN_HEALTH:
rc = do_health_desc(fd);
break;
case QUERY_DESC_IDN_INTERCONNECT:
rc = do_interconnect_desc(fd);
break;
default:
print_error("Unsupported Descriptor type %d", opt->idn);
rc = -EINVAL;
break;
}
out:
close(fd);
return rc;
}
void print_attribute(struct attr_fields *attr, __u8 *attr_buffer)
{
if (attr->width_in_bytes == BYTE)
printf("%-26s := 0x%02x\n", attr->name, attr_buffer[0]);
else if (attr->width_in_bytes == WORD)
printf("%-26s := 0x%04x\n", attr->name, *(__u16 *)attr_buffer);
else if (attr->width_in_bytes == DWORD)
printf("%-26s := 0x%08x\n", attr->name,
be32toh(*(__u32 *)attr_buffer));
}
int do_query_rq(int fd, struct ufs_bsg_request *bsg_req,
struct ufs_bsg_reply *bsg_rsp, __u8 query_req_func,
__u8 opcode, __u8 idn, __u8 index, __u8 sel,
__u16 req_buf_len, __u16 res_buf_len, __u8 *data_buf)
{
int rc = OK;
__u8 res_code;
__u16 len = res_buf_len;
if (req_buf_len > 0)
len = req_buf_len;
prepare_upiu(bsg_req, query_req_func, len, opcode, idn,
index, sel);
rc = send_bsg_scsi_trs(fd, bsg_req, bsg_rsp, req_buf_len, res_buf_len,
data_buf);
if (rc) {
print_error("%s: query failed, status %d idn: %d, i: %d, s: %d",
__func__, rc, idn, index, sel);
rc = ERROR;
goto out;
}
res_code = (be32toh(bsg_rsp->upiu_rsp.header.dword_1) >> 8) & 0xff;
if (res_code) {
query_response_error(res_code, idn);
rc = ERROR;
}
out:
return rc;
}
static int do_write_desc(int fd, struct ufs_bsg_request *bsg_req,
struct ufs_bsg_reply *bsg_rsp, __u8 idn, __u8 index,
__u16 desc_buf_len, __u8 *data_buf)
{
return do_query_rq(fd, bsg_req, bsg_rsp,
UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST,
UPIU_QUERY_OPCODE_WRITE_DESC, idn, index,
0, desc_buf_len, 0, data_buf);
}
int do_read_desc(int fd, struct ufs_bsg_request *bsg_req,
struct ufs_bsg_reply *bsg_rsp, __u8 idn, __u8 index,
__u16 desc_buf_len, __u8 *data_buf)
{
return do_query_rq(fd, bsg_req, bsg_rsp,
UPIU_QUERY_FUNC_STANDARD_READ_REQUEST,
UPIU_QUERY_OPCODE_READ_DESC, idn, index, 0,
0, desc_buf_len, data_buf);
}
int do_attributes(struct tool_options *opt)
{
int fd;
int rc = OK;
struct attr_fields *tmp = NULL;
int oflag = O_RDWR;
__u8 att_idn;
__u32 attr_value;
struct ufs_bsg_request bsg_req = {0};
struct ufs_bsg_reply bsg_rsp = {0};
if (opt->opr == READ_ALL || opt->opr == READ)
oflag = O_RDONLY;
fd = open(opt->path, oflag);
if (fd < 0) {
print_error("open");
return ERROR;
}
tmp = &ufs_attrs[opt->idn];
if (opt->opr == READ_ALL) {
att_idn = QUERY_ATTR_IDN_BOOT_LU_EN;
while (att_idn < ARRAY_SIZE(ufs_attrs)) {
tmp = &ufs_attrs[att_idn];
if (tmp->acc_type == ACC_INVALID ||
tmp->acc_mode == WRITE_ONLY) {
att_idn++;
continue;
}
rc = do_query_rq(fd, &bsg_req, &bsg_rsp,
UPIU_QUERY_FUNC_STANDARD_READ_REQUEST,
UPIU_QUERY_OPCODE_READ_ATTR, att_idn,
opt->index, opt->selector, 0, 0, 0);
if (rc == OK) {
attr_value = be32toh(bsg_rsp.upiu_rsp.qr.value);
print_attribute(tmp, (__u8 *)&attr_value);
}
memset(&bsg_rsp, 0, BSG_REPLY_SZ);
att_idn++;
}
} else if (opt->opr == WRITE) {
if (tmp->acc_type == ACC_INVALID ||
tmp->acc_mode == READ_ONLY) {
print_error("%s Attribute is not writable", tmp->name);
rc = ERROR;
goto out;
}
attr_value = *(__u32 *)opt->data;
switch (tmp->width_in_bytes) {
case BYTE:
if (attr_value > 0xFF) {
print_error("Wrong write data for %s attr\n",
tmp->name);
rc = ERROR;
goto out;
}
break;
case WORD:
if (attr_value > 0xFFFF) {
print_error("Wrong write data for %s attr\n",
tmp->name);
rc = ERROR;
goto out;
}
break;
case DWORD:
/* avoid -Wswitch warning - no need to check value */
break;
default:
print_error("Unsupported width %d",
tmp->width_in_bytes);
rc = ERROR;
goto out;
}
bsg_req.upiu_req.qr.value = htobe32(attr_value);
rc = do_query_rq(fd, &bsg_req, &bsg_rsp,
UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST,
UPIU_QUERY_OPCODE_WRITE_ATTR, opt->idn,
opt->index, opt->selector, 0, 0, 0);
} else if (opt->opr == READ) {
if (tmp->acc_type == ACC_INVALID ||
tmp->acc_mode == WRITE_ONLY) {
print_error("%s attribute is not readable", tmp->name);
rc = ERROR;
goto out;
}
rc = do_query_rq(fd, &bsg_req, &bsg_rsp,
UPIU_QUERY_FUNC_STANDARD_READ_REQUEST,
UPIU_QUERY_OPCODE_READ_ATTR, opt->idn,
opt->index, opt->selector, 0, 0, 0);
if (rc == OK) {
attr_value = be32toh(bsg_rsp.upiu_rsp.qr.value);
print_attribute(tmp, (__u8 *)&attr_value);
}