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tnvmeParsers.cpp
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tnvmeParsers.cpp
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/*
* Copyright (c) 2011, Intel Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <fcntl.h>
#include <errno.h>
#include <vector>
#include <unistd.h>
#include "tnvmeParsers.h"
#include "Cmds/identify.h"
struct AttribXML {
string name;
string value;
};
/**
* A function to specifically handle parsing cmd lines of the form
* "--skiptest <filename>".
* @param skipTest Pass a structure to populate with parsing results
* @param optarg Pass the 'optarg' argument from the getopt_long() API.
* @return true upon successful parsing, otherwise false.
*/
bool
ParseSkipTestCmdLine(vector<TestRef> &skipTest, const char *optarg)
{
int fd;
ssize_t numRead;
char buffer[80];
string contents;
string line;
TestTarget tmp;
if ((fd = open(optarg, O_RDWR)) == -1) {
LOG_ERR("File=%s: %s", optarg, strerror(errno));
return false;
}
while ((numRead = read(fd, buffer, (sizeof(buffer)-1))) != -1) {
if (numRead == 0)
break;
buffer[numRead] = '\0';
contents += buffer;
}
if (numRead == -1) {
LOG_ERR("File=%s: %s", optarg, strerror(errno));
return false;
}
// Parse and make sense of the file's contents
for (size_t i = 0; i < contents.size(); i++) {
bool processThisLine = false;
if (contents[i] == '#') {
// Comment start; goes until the end of this line
for (size_t j = i; j < contents.size(); j++) {
if ((contents[j] == '\n') || (contents[j] == '\r')) {
i = j;
processThisLine = true;
break;
}
}
} else if ((contents[i] == '\n') || (contents[i] == '\r')) {
processThisLine = true;
} else {
if (isalnum(contents[i]) ||
(contents[i] == '.') ||
(contents[i] == ':')) {
line += contents[i];
}
}
if (processThisLine) {
if (line.size()) {
if (ParseTargetCmdLine(tmp, line.c_str()) == false) {
close(fd);
return false;
}
TestRef skipThis = tmp.t;
skipTest.push_back(skipThis);
line = "";
}
}
}
// Report what tests will be skipped
string output = "Control will skip test case(s): ";
char work[20];
for (size_t i = 0; i < skipTest.size(); i++ ) {
if ((skipTest[i].xLev == UINT_MAX) ||
(skipTest[i].yLev == UINT_MAX) ||
(skipTest[i].zLev == UINT_MAX)) {
snprintf(work, sizeof(work), "%ld:ALL.ALL.ALL, ",
skipTest[i].group);
} else {
snprintf(work, sizeof(work), "%ld:%ld.%ld.%ld, ",
skipTest[i].group, skipTest[i].xLev, skipTest[i].yLev,
skipTest[i].zLev);
}
output += work;
}
LOG_NRM("%s", output.c_str());
close(fd);
return true;
}
/**
* A function to seek for a specified node, i.e. starting element, in a
* provided XML file.
* @param xmlFile Pass the file to seek within
* @param nodeName Pass the the name of the node to find
* @param nodeDepth Pass the depth that the node should be placed
* @param nodeVal Returns the value of the sought after node
* @param attr Returns all the attributesof the sought after node
* @return true upon successful seeking, otherwise false.
*/
bool
SeekSpecificXMLNode(xmlpp::TextReader &xmlFile, string nodeName, int nodeDepth,
string &nodeVal, vector<AttribXML> &attr)
{
try {
nodeVal = "";
attr.clear();
LOG_DBG("New XML search for XML node: \"%s\"", nodeName.c_str());
while(xmlFile.read()) {
LOG_DBG("XML compare: \"%s\" with \"%s\"", nodeName.c_str(),
xmlFile.get_name().c_str());
if (strcmp(nodeName.c_str(), xmlFile.get_name().c_str()) == 0) {
LOG_DBG("Found \"%s\" @ XML depth: %d", nodeName.c_str(),
xmlFile.get_depth());
if (xmlFile.get_node_type() == xmlpp::TextReader::EndElement) {
LOG_DBG("Node is end element, continuing");
continue;
}
if (xmlFile.get_depth() == nodeDepth) {
if(xmlFile.has_value()) {
nodeVal = xmlFile.get_value();
LOG_DBG("XML value: \"%s\"", nodeVal.c_str());
}
if(xmlFile.has_attributes()) {
xmlFile.move_to_first_attribute();
do {
AttribXML xmlAttrib;
xmlAttrib.name = xmlFile.get_name();
xmlAttrib.value = xmlFile.get_value();
attr.push_back(xmlAttrib);
LOG_DBG("XML attrib: \"%s\"=\"%s\"",
xmlAttrib.name.c_str(),
xmlAttrib.value.c_str());
} while(xmlFile.move_to_next_attribute());
xmlFile.move_to_element();
}
return true; // Found the node
}
}
}
}
catch(const std::exception& e)
{
LOG_ERR("While seeking XML node %s: %s", nodeName.c_str(), e.what());
return false;
}
LOG_DBG("XML node \"%s\' not found", nodeName.c_str());
return false;
}
/**
* A function to extract the expected nodes for a --golden type file
* @param xmlFile Pass the file to seek within
* @param cmd Returns the filled in part of the structure
* @param nodeName Pass the name of the node being parsed.
* @return true upon successful parsing, otherwise false.
*/
bool ExtractIdentifyXMLValue(xmlpp::TextReader &xmlFile, IdentifyDUT &cmd,
string nodeName)
{
if (strcmp(nodeName.c_str(), "nsid") == 0) {
if (xmlFile.get_node_type() == xmlpp::TextReader::Element) {
LOG_DBG("Found <%s>: processing", nodeName.c_str());
xmlFile.read();
if (xmlFile.get_node_type() == xmlpp::TextReader::Text) {
cmd.nsid = strtoul(xmlFile.get_value().c_str(), NULL, 10);
LOG_DBG("Identify.nsid = 0x%02X", cmd.nsid);
return true;
}
}
} else if (strcmp(nodeName.c_str(), "cns") == 0) {
if (xmlFile.get_node_type() == xmlpp::TextReader::Element) {
LOG_DBG("Found <%s>: processing", nodeName.c_str());
xmlFile.read();
if (xmlFile.get_node_type() == xmlpp::TextReader::Text) {
cmd.cns = strtoul(xmlFile.get_value().c_str(), NULL, 16);
LOG_DBG("Identify.cns = 0x%02X", cmd.cns);
return true;
}
}
}
LOG_DBG("Found unsupported node type: %d", xmlFile.get_node_type());
return false;
}
/**
* A function to extract the expected nodes for a --format type file
* @param xmlFile Pass the file to seek within
* @param cmd Returns the filled in part of the structure
* @param nodeName Pass the name of the node being parsed.
* @return true upon successful parsing, otherwise false.
*/
bool
ExtractFormatXMLValue(xmlpp::TextReader &xmlFile, FormatDUT &cmd, string nodeName)
{
if (strcmp(nodeName.c_str(), "ses") == 0) {
if (xmlFile.get_node_type() == xmlpp::TextReader::Element) {
LOG_DBG("Found <%s>: processing", nodeName.c_str());
xmlFile.read();
if (xmlFile.get_node_type() == xmlpp::TextReader::Text) {
cmd.ses = strtoul(xmlFile.get_value().c_str(), NULL, 16);
LOG_DBG("Format.ses = 0x%02X", cmd.ses);
return true;
}
}
} else if (strcmp(nodeName.c_str(), "pil") == 0) {
if (xmlFile.get_node_type() == xmlpp::TextReader::Element) {
LOG_DBG("Found <%s>: processing", nodeName.c_str());
xmlFile.read();
if (xmlFile.get_node_type() == xmlpp::TextReader::Text) {
cmd.pil = strtoul(xmlFile.get_value().c_str(), NULL, 16);
LOG_DBG("Format.pil = 0x%02X", cmd.pil);
return true;
}
}
} else if (strcmp(nodeName.c_str(), "pi") == 0) {
if (xmlFile.get_node_type() == xmlpp::TextReader::Element) {
LOG_DBG("Found <%s>: processing", nodeName.c_str());
xmlFile.read();
if (xmlFile.get_node_type() == xmlpp::TextReader::Text) {
cmd.pi = strtoul(xmlFile.get_value().c_str(), NULL, 16);
LOG_DBG("Format.pi = 0x%02X", cmd.pi);
return true;
}
}
} else if (strcmp(nodeName.c_str(), "ms") == 0) {
if (xmlFile.get_node_type() == xmlpp::TextReader::Element) {
LOG_DBG("Found <%s>: processing", nodeName.c_str());
xmlFile.read();
if (xmlFile.get_node_type() == xmlpp::TextReader::Text) {
cmd.ms = strtoul(xmlFile.get_value().c_str(), NULL, 16);
LOG_DBG("Format.ms = 0x%02X", cmd.ms);
return true;
}
}
} else if (strcmp(nodeName.c_str(), "lbaf") == 0) {
if (xmlFile.get_node_type() == xmlpp::TextReader::Element) {
LOG_DBG("Found <%s>: processing", nodeName.c_str());
xmlFile.read();
if (xmlFile.get_node_type() == xmlpp::TextReader::Text) {
cmd.lbaf = strtoul(xmlFile.get_value().c_str(), NULL, 16);
LOG_DBG("Format.lbaf = 0x%02X", cmd.lbaf);
return true;
}
}
}
LOG_DBG("Found unsupported node type: %d", xmlFile.get_node_type());
return false;
}
/**
* A function to specifically handle parsing cmd lines of the form
* "--golden <filename>".
* @param golden Pass a structure to populate with parsing results
* @param optarg Pass the 'optarg' argument from the getopt_long() API.
* @return true upon successful parsing, otherwise false.
*/
bool
ParseGoldenCmdLine(Golden &golden, const char *optarg)
{
bool allOK = false;
string nodeVal, nodeName;
vector<AttribXML> attr;
IdentifyDUT cmd;
size_t colLoc = 0;
string inFileName = optarg;
if ((int)(colLoc = inFileName.find_first_of(':')) > 0){
golden.outputFile = inFileName.substr(colLoc + 1, inFileName.length());
inFileName = inFileName.substr(0, colLoc);
}
try
{
golden.req = false;
golden.cmds.clear();
xmlpp::TextReader xmlFile(inFileName.c_str());
if (SeekSpecificXMLNode(xmlFile, "identify", 0, nodeVal, attr) == false)
return false;
while (SeekSpecificXMLNode(xmlFile, "cmd", 1, nodeVal, attr)) {
memset(&cmd, 0, sizeof(cmd));
if (SeekSpecificXMLNode(xmlFile, "dw1", 2, nodeVal, attr)) {
// Seek for value elements defining the cmd's params
while(xmlFile.read()) {
nodeName = xmlFile.get_name();
LOG_DBG("XML parser found: \"%s\" of type %d",
nodeName.c_str(), xmlFile.get_node_type());
switch (xmlFile.get_node_type()) {
case xmlpp::TextReader::Comment:
LOG_DBG("Node is a comment, continuing");
continue;
case xmlpp::TextReader::SignificantWhitespace:
LOG_DBG("Node is a whitespace, continuing");
continue;
case xmlpp::TextReader::Element:
if (ExtractIdentifyXMLValue(xmlFile, cmd, nodeName)
== false) {
return false;
}
break;
case xmlpp::TextReader::EndElement:
if (strcmp("dw1", nodeName.c_str()) == 0) {
goto EXIT_DW1_SEARCH;
} else {
LOG_DBG(
"</%s> decoded as end element: skipping",
nodeName.c_str());
continue;
}
break;
default:
LOG_ERR("Found unsupported node type");
return false;
}
}
}
EXIT_DW1_SEARCH:
if (SeekSpecificXMLNode(xmlFile, "dw10", 2, nodeVal, attr)) {
// Seek for value elements defining the cmd's params
while(xmlFile.read()) {
nodeName = xmlFile.get_name();
LOG_DBG("XML parser found: \"%s\" of type %d",
nodeName.c_str(), xmlFile.get_node_type());
switch (xmlFile.get_node_type()) {
case xmlpp::TextReader::Comment:
LOG_DBG("Node is a comment, continuing");
continue;
case xmlpp::TextReader::SignificantWhitespace:
LOG_DBG("Node is a whitespace, continuing");
continue;
case xmlpp::TextReader::Element:
if (ExtractIdentifyXMLValue(xmlFile, cmd, nodeName)
== false) {
return false;
}
break;
case xmlpp::TextReader::EndElement:
if (strcmp("dw10", nodeName.c_str()) == 0) {
goto EXIT_DW10_SEARCH;
} else {
LOG_DBG(
"</%s> decoded as end element: skipping",
nodeName.c_str());
continue;
}
break;
default:
LOG_ERR("Found unsupported node type");
return false;
}
}
}
EXIT_DW10_SEARCH:
if (SeekSpecificXMLNode(xmlFile, "prp", 2, nodeVal, attr)) {
// Seek for value elements defining the cmd's params
while(xmlFile.read()) {
nodeName = xmlFile.get_name();
LOG_DBG("XML parser found: \"%s\" of type %d",
nodeName.c_str(), xmlFile.get_node_type());
switch (xmlFile.get_node_type()) {
case xmlpp::TextReader::Comment:
LOG_DBG("Node is a comment, continuing");
continue;
case xmlpp::TextReader::SignificantWhitespace:
LOG_DBG("Node is a whitespace, continuing");
continue;
case xmlpp::TextReader::Element:
LOG_ERR("Node is a element, unexpected");
return false;
case xmlpp::TextReader::EndElement:
if (strcmp("prp", nodeName.c_str()) == 0) {
goto EXIT_PRP_SEARCH;
} else {
LOG_DBG(
"</%s> decoded as end element: skipping",
nodeName.c_str());
continue;
}
break;
case xmlpp::TextReader::Text:
{
uint8_t work;
char *endPtr = NULL;
char *startPtr = NULL;
work = (uint8_t)strtoul(xmlFile.get_value().c_str(),
&endPtr, 16);
while ((*endPtr != '\0') && (startPtr != endPtr)) {
cmd.raw.push_back(work);
startPtr = endPtr;
work = (uint8_t)strtoul(startPtr, &endPtr, 16);
}
if (cmd.raw.size() != Identify::IDEAL_DATA_SIZE) {
LOG_ERR("Identify payload must be 4KB: %ld",
cmd.raw.size());
return false;
}
}
break;
default:
LOG_ERR("Found unsupported node type");
return false;
}
}
}
EXIT_PRP_SEARCH:
if (SeekSpecificXMLNode(xmlFile, "mask", 2, nodeVal, attr)) {
// Seek for value elements defining the cmd's params
while(xmlFile.read()) {
nodeName = xmlFile.get_name();
LOG_DBG("XML parser found: \"%s\" of type %d",
nodeName.c_str(), xmlFile.get_node_type());
switch (xmlFile.get_node_type()) {
case xmlpp::TextReader::Comment:
LOG_DBG("Node is a comment, continuing");
continue;
case xmlpp::TextReader::SignificantWhitespace:
LOG_DBG("Node is a whitespace, continuing");
continue;
case xmlpp::TextReader::Element:
LOG_ERR("Node is a element, unexpected");
return false;
case xmlpp::TextReader::EndElement:
if (strcmp("mask", nodeName.c_str()) == 0) {
goto EXIT_MASK_SEARCH;
} else {
LOG_DBG(
"</%s> decoded as end element: skipping",
nodeName.c_str());
continue;
}
break;
case xmlpp::TextReader::Text:
{
uint8_t work;
char *endPtr = NULL;
char *startPtr = NULL;
work = (uint8_t)strtoul(xmlFile.get_value().c_str(),
&endPtr, 16);
while ((*endPtr != '\0') && (startPtr != endPtr)) {
cmd.mask.push_back(work);
startPtr = endPtr;
work = (uint8_t)strtoul(startPtr, &endPtr, 16);
}
if (cmd.mask.size() != Identify::IDEAL_DATA_SIZE) {
LOG_ERR("Identify mask must be 4KB: %ld",
cmd.mask.size());
return false;
}
}
break;
default:
LOG_ERR("Found unsupported node type");
return false;
}
}
}
EXIT_MASK_SEARCH:
// Finalize this cmd, possible among many more
golden.cmds.push_back(cmd);
allOK = true;
}
}
catch(const std::exception& e)
{
LOG_ERR("While processing file %s: %s", inFileName.c_str(), e.what());
return false;
}
if (allOK == false) {
LOG_ERR("Unable to completely process file %s", inFileName.c_str());
return false;
}
#ifdef DEBUG
for (size_t i = 0; i < golden.cmds.size(); i++) {
LOG_DBG("Identify cmd #%ld", i);
LOG_DBG(" Identify:DW1.nsid = 0x%02x", golden.cmds[i].nsid);
LOG_DBG(" Identify.DW10.cns = %c", golden.cmds[i].cns ? 'T' : 'F');
LOG_DBG(" sizeof(Identify.raw) = %ld", golden.cmds[i].raw.size());
LOG_DBG(" sizeof(Identify.mask) = %ld", golden.cmds[i].mask.size());
}
#endif
golden.req = true;
return true;
}
/**
* A function to specifically handle parsing cmd lines of the form
* "--fwimage <filename>".
* @param fwimage Pass a structure to populate with parsing results
* @param optarg Pass the 'optarg' argument from the getopt_long() API.
* @return true upon successful parsing, otherwise false.
*/
bool
ParseFWImageCmdLine(FWImage &fwimage, const char *optarg)
{
int fd;
ssize_t numRead;
uint8_t buffer[1];
fwimage.data.empty();
if ((fd = open(optarg, O_RDWR)) == -1) {
LOG_ERR("File=%s: %s", optarg, strerror(errno));
return false;
}
while ((numRead = read(fd, buffer, sizeof(buffer))) != -1) {
if (numRead == 0)
break;
fwimage.data.push_back(buffer[0]);
}
if (numRead == -1) {
LOG_ERR("File=%s: %s", optarg, strerror(errno));
return false;
}
close(fd);
fwimage.req = true;
return true;
}
/**
* A function to specifically handle parsing cmd lines of the form
* "--format <filename>".
* @param format Pass a structure to populate with parsing results
* @param optarg Pass the 'optarg' argument from the getopt_long() API.
* @return true upon successful parsing, otherwise false.
*/
bool
ParseFormatCmdLine(Format &format, const char *optarg)
{
bool allOK = false;
string nodeVal, nodeName;
vector<AttribXML> attr;
FormatDUT cmd;
try
{
format.req = false;
format.cmds.clear();
xmlpp::TextReader xmlFile(optarg);
if (SeekSpecificXMLNode(xmlFile, "format", 0, nodeVal, attr) == false)
return false;
while (SeekSpecificXMLNode(xmlFile, "namespace", 1, nodeVal, attr)) {
memset(&cmd, 0, sizeof(cmd));
// Retrieve the namespace ID to issue a cmd at
if (attr.size() != 1) {
LOG_ERR("\"namespace\" node is required to have an attribute");
return false;
} else if (strcmp("id", attr[0].name.c_str()) != 0) {
LOG_ERR("\"namespace\" node must have one \"id\" attribute");
return false;
}
cmd.nsid = strtoul(attr[0].value.c_str(), NULL, 10);
if (SeekSpecificXMLNode(xmlFile, "cmd", 2, nodeVal, attr)) {
// This node shouldn't have any value of attributes, ignoring
if (SeekSpecificXMLNode(xmlFile, "dw10", 3, nodeVal, attr)) {
// Seek for value elements defining the cmd's params
while(xmlFile.read()) {
nodeName = xmlFile.get_name();
LOG_DBG("XML parser found: \"%s\" of type %d",
nodeName.c_str(), xmlFile.get_node_type());
switch (xmlFile.get_node_type()) {
case xmlpp::TextReader::Comment:
LOG_DBG("Node is a comment, continuing");
continue;
case xmlpp::TextReader::SignificantWhitespace:
LOG_DBG("Node is a whitespace, continuing");
continue;
case xmlpp::TextReader::Element:
if (ExtractFormatXMLValue(xmlFile, cmd, nodeName)
== false) {
return false;
}
break;
case xmlpp::TextReader::EndElement:
if (strcmp("dw10", nodeName.c_str()) == 0) {
goto EXIT_VALUE_SEARCH;
} else {
LOG_DBG(
"</%s> decoded as end element: skipping",
nodeName.c_str());
continue;
}
break;
default:
LOG_ERR("Found unsupported node type");
return false;
}
}
EXIT_VALUE_SEARCH:
format.cmds.push_back(cmd);
allOK = true;
}
}
}
}
catch(const std::exception& e)
{
LOG_ERR("While processing file %s: %s", optarg, e.what());
return false;
}
if (allOK == false) {
LOG_ERR("Unable to completely process file %s", optarg);
return false;
}
#ifdef DEBUG
for (size_t i = 0; i < format.cmds.size(); i++) {
LOG_DBG("Namespace: %d", format.cmds[i].nsid);
LOG_DBG(" FormatNVM:DW10.ses = 0x%02x", format.cmds[i].ses);
LOG_DBG(" FormatNVM:DW10.pil = %c", format.cmds[i].pil ? 'T' : 'F');
LOG_DBG(" FormatNVM:DW10.pi = 0x%02x", format.cmds[i].pi);
LOG_DBG(" FormatNVM:DW10.ms = %c", format.cmds[i].ms ? 'T' : 'F');
LOG_DBG(" FormatNVM:DW10.lbaf = 0x%02x", format.cmds[i].lbaf);
}
#endif
format.req = true;
return true;
}
/**
* A function to specifically handle parsing cmd lines of the form
* "[<grp> | <grp>:<test>]" where the absent of the optional parameters means
* a user is specifying "all" things.
* @param target Pass a structure to populate with parsing results
* @param optarg Pass the 'optarg' argument from the getopt_long() API.
* @return true upon successful parsing, otherwise false.
*/
bool
ParseTargetCmdLine(TestTarget &target, const char *optarg)
{
size_t ulwork;
string swork;
char *endptr;
long tmp;
target.req = true;
target.t.group = UINT_MAX;
target.t.xLev = UINT_MAX;
target.t.yLev = UINT_MAX;
target.t.zLev = UINT_MAX;
if (optarg == NULL) {
// User specified to run all test within all all groups
return true;
}
swork = optarg;
if ((ulwork = swork.find(":", 0)) == string::npos) {
// User specified format <grp> only
tmp = strtol(swork.c_str(), &endptr, 10);
if (*endptr != '\0') {
LOG_ERR("Unrecognized format <grp>=%s", optarg);
return false;
} else if (tmp < 0) {
LOG_ERR("<grp> values < 0 are not supported");
return false;
}
target.t.group = tmp;
} else {
// Specified format <grp>:<test>
tmp = strtol(swork.substr(0, swork.size()).c_str(), &endptr, 10);
if (*endptr != ':') {
LOG_ERR("Missing ':' character in format string");
return false;
} else if (tmp < 0) {
LOG_ERR("<grp> values < 0 are not supported");
return false;
}
target.t.group = tmp;
// Find xLev component of <test>
swork = swork.substr(swork.find_first_of(':') + 1, swork.length());
if (swork.length() == 0) {
LOG_ERR("Missing <test> format string");
return false;
}
tmp = strtol(swork.substr(0, swork.size()).c_str(), &endptr, 10);
if (*endptr != '.') {
LOG_ERR("Missing 1st '.' character in format string");
return false;
} else if (tmp < 0) {
LOG_ERR("<x> values < 0 are not supported");
return false;
}
target.t.xLev = tmp;
// Find yLev component of <test>
swork = swork.substr(swork.find_first_of('.') + 1, swork.length());
if (swork.length() == 0) {
LOG_ERR("Unrecognized format <grp>:<x>.<y>=%s", optarg);
return false;
}
tmp = strtol(swork.substr(0, swork.size()).c_str(), &endptr, 10);
if (*endptr != '.') {
LOG_ERR("Missing 2nd '.' character in format string");
return false;
} else if (tmp < 0) {
LOG_ERR("<y> values < 0 are not supported");
return false;
}
target.t.yLev = tmp;
// Find zLev component of <test>
swork = swork.substr(swork.find_first_of('.') + 1, swork.length());
if (swork.length() == 0) {
LOG_ERR("Unrecognized format <grp>:<x>.<y>.<z>=%s", optarg);
return false;
}
tmp = strtol(swork.substr(0, swork.size()).c_str(), &endptr, 10);
if (*endptr != '\0') {
LOG_ERR("Unrecognized format <grp>:<x>.<y>.<z>=%s", optarg);
return false;
} else if (tmp < 0) {
LOG_ERR("<z> values < 0 are not supported");
return false;
}
target.t.zLev = tmp;
}
;
if (target.t.group == UINT_MAX) {
LOG_ERR("Unrecognized format <grp>=%s\n", optarg);
return false;
} else if (!(((target.t.xLev == UINT_MAX) &&
(target.t.yLev == UINT_MAX) &&
(target.t.zLev == UINT_MAX)) ||
((target.t.xLev != UINT_MAX) &&
(target.t.yLev != UINT_MAX) &&
(target.t.zLev != UINT_MAX)))) {
LOG_ERR("Unrecognized format <grp>:<x>.<y>.<z>=%s", optarg);
LOG_ERR("Parsed and decoded: <%ld>:<%ld>.<%ld>.<%ld>",
target.t.group, target.t.xLev, target.t.yLev, target.t.zLev);
return false;
}
return true;
}
/**
* A function to specifically handle parsing cmd lines of the form
* "<space:offset:num:acc>".
* @param rmmap Pass a structure to populate with parsing results
* @param optarg Pass the 'optarg' argument from the getopt_long() API.
* @return true upon successful parsing, otherwise false.
*/
bool
ParseRmmapCmdLine(RmmapIo &rmmap, const char *optarg)
{
size_t ulwork;
char *endptr;
string swork;
size_t tmp;
string sacc;
rmmap.req = true;
rmmap.space = NVMEIO_FENCE;
rmmap.offset = 0;
rmmap.size = 0;
rmmap.acc = ACC_FENCE;
LOG_DBG("Option selected = %s", optarg);
// Parsing <space:offset:size>
swork = optarg;
if ((ulwork = swork.find(":", 0)) == string::npos) {
LOG_ERR("Unrecognized format <space:off:size:acc>=%s", optarg);
return false;
}
if (strcmp("PCI", swork.substr(0, ulwork).c_str()) == 0) {
rmmap.space = NVMEIO_PCI_HDR;
} else if (strcmp("BAR01", swork.substr(0, ulwork).c_str()) == 0) {
rmmap.space = NVMEIO_BAR01;
} else {
LOG_ERR("Unrecognized identifier <space>=%s", optarg);
return false;
}
// Parsing <off:size:acc>
swork = swork.substr(ulwork+1, swork.size());
tmp = strtoul(swork.substr(0, swork.size()).c_str(), &endptr, 16);
if (*endptr != ':') {
LOG_ERR("Unrecognized format <off:size:acc>=%s", optarg);
return false;
}
rmmap.offset = tmp;
// Parsing <size:acc>
swork = swork.substr(swork.find_first_of(':') + 1, swork.length());
if (swork.length() == 0) {
LOG_ERR("Missing <size> format string");
return false;
}
tmp = strtoul(swork.substr(0, swork.size()).c_str(), &endptr, 16);
if (*endptr != ':') {
LOG_ERR("Unrecognized format <size:acc>=%s", optarg);
return false;
}
rmmap.size = tmp;
// Parsing <acc>
swork = swork.substr(swork.find_first_of(':') + 1, swork.length());
if (swork.length() == 0) {
LOG_ERR("Missing <acc> format string");
return false;
}
sacc = swork.substr(0, swork.size()).c_str();
tmp = strtoul(swork.substr(1, swork.size()).c_str(), &endptr, 16);
if (*endptr != '\0') {
LOG_ERR("Unrecognized format <acc>=%s", optarg);
return false;
}
// Detect the access width passed.
if (sacc.compare("b") == 0) {
rmmap.acc = BYTE_LEN;
} else if (sacc.compare("w") == 0) {
rmmap.acc = WORD_LEN;
} else if (sacc.compare("l") == 0) {
rmmap.acc = DWORD_LEN;
} else if (sacc.compare("q") == 0) {
rmmap.acc = QUAD_LEN;
} else {
LOG_ERR("Unrecognized access width to read.");
return false;
}
return true;
}
/**
* A function to specifically handle parsing cmd lines of the form
* "<space:offset:num:val:acc>".
* @param wmmap Pass a structure to populate with parsing results
* @param optarg Pass the 'optarg' argument from the getopt_long() API.
* @return true upon successful parsing, otherwise false.
*/
bool
ParseWmmapCmdLine(WmmapIo &wmmap, const char *optarg)
{
size_t ulwork;
char *endptr;
string swork;
size_t tmp;
uint64_t tmpVal;
string sacc;
wmmap.req = true;
wmmap.space = NVMEIO_FENCE;
wmmap.offset = 0;
wmmap.size = 0;
wmmap.value = 0;
wmmap.acc = ACC_FENCE;
// Parsing <space:off:size:val:acc>
swork = optarg;
if ((ulwork = swork.find(":", 0)) == string::npos) {
LOG_ERR("Unrecognized format <space:off:siz:val:acc>=%s", optarg);
return false;
}
if (strcmp("PCI", swork.substr(0, ulwork).c_str()) == 0) {
wmmap.space = NVMEIO_PCI_HDR;
} else if (strcmp("BAR01", swork.substr(0, ulwork).c_str()) == 0) {
wmmap.space = NVMEIO_BAR01;
} else {
LOG_ERR("Unrecognized identifier <space>=%s", optarg);
return false;
}
// Parsing <off:size:val:acc>
swork = swork.substr(ulwork+1, swork.size());
tmp = strtoul(swork.substr(0, swork.size()).c_str(), &endptr, 16);
if (*endptr != ':') {
LOG_ERR("Unrecognized format <off:siz:val:acc>=%s", optarg);
return false;
}
wmmap.offset = tmp;
// Parsing <size:val:acc>
swork = swork.substr(swork.find_first_of(':') + 1, swork.length());
tmp = strtoul(swork.substr(0, swork.size()).c_str(), &endptr, 16);
if (*endptr != ':') {
LOG_ERR("Unrecognized format <siz:val:acc>=%s", optarg);
return false;
} else if (tmp > MAX_SUPPORTED_REG_SIZE) {
LOG_ERR("<size> > allowed value of max of %d bytes",
MAX_SUPPORTED_REG_SIZE);
return false;
}
wmmap.size = tmp;
// Parsing <val:acc>
swork = swork.substr(swork.find_first_of(':') + 1, swork.length());
if (swork.length() == 0) {
LOG_ERR("Missing <val> format string");
return false;
}
tmpVal = strtoull(swork.substr(0, swork.size()).c_str(), &endptr, 16);