Skip to content

L
linux
Commit 92c16f7e authored by Stefan Richter's avatar Stefan Richter
Browse files
Options

tools/firewire: nosy-dump: change to kernel coding style 

This changes only
  - whitespace
  - C99 initializers
  - comment style
  - order of #includes
  - if { } else { } bracing
Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent a8461c0f
Hide whitespace changes
Inline Side-by-side
Showing with 1139 additions and 1192 deletions
tools/firewire/decode-fcp.c
View file @ 92c16f7e
......@@ -6,234 +6,206 @@
#define CSR_FCP_COMMAND 0xfffff0000b00ull
#define CSR_FCP_RESPONSE 0xfffff0000d00ull
static const char * const ctype_names[16] = {
"control",
"status",
"specific inquiry",
"notify",
"general inquiry",
"(reserved 0x05)",
"(reserved 0x06)",
"(reserved 0x07)",
"not implemented",
"accepted",
"rejected",
"in transition",
"stable",
"changed",
"(reserved 0x0e)",
"interim"
static const char * const ctype_names[] = {
[0x0] = "control", [0x8] = "not implemented",
[0x1] = "status", [0x9] = "accepted",
[0x2] = "specific inquiry", [0xa] = "rejected",
[0x3] = "notify", [0xb] = "in transition",
[0x4] = "general inquiry", [0xc] = "stable",
[0x5] = "(reserved 0x05)", [0xd] = "changed",
[0x6] = "(reserved 0x06)", [0xe] = "(reserved 0x0e)",
[0x7] = "(reserved 0x07)", [0xf] = "interim",
};
static const char * const subunit_type_names[32] = {
"monitor",
"audio",
"printer",
"disc",
"tape recorder/player",
"tuner",
"ca",
"camera",
"(reserved 0x08)",
"panel",
"bulletin board",
"camera storage",
"(reserved 0x0c)",
"(reserved 0x0d)",
"(reserved 0x0e)",
"(reserved 0x0f)",
"(reserved 0x10)",
"(reserved 0x11)",
"(reserved 0x12)",
"(reserved 0x13)",
"(reserved 0x14)",
"(reserved 0x15)",
"(reserved 0x16)",
"(reserved 0x17)",
"(reserved 0x18)",
"(reserved 0x19)",
"(reserved 0x1a)",
"(reserved 0x1b)",
"vendor unique",
"all subunit types",
"subunit_type extended to next byte",
"unit"
static const char * const subunit_type_names[] = {
[0x00] = "monitor", [0x10] = "(reserved 0x10)",
[0x01] = "audio", [0x11] = "(reserved 0x11)",
[0x02] = "printer", [0x12] = "(reserved 0x12)",
[0x03] = "disc", [0x13] = "(reserved 0x13)",
[0x04] = "tape recorder/player",[0x14] = "(reserved 0x14)",
[0x05] = "tuner", [0x15] = "(reserved 0x15)",
[0x06] = "ca", [0x16] = "(reserved 0x16)",
[0x07] = "camera", [0x17] = "(reserved 0x17)",
[0x08] = "(reserved 0x08)", [0x18] = "(reserved 0x18)",
[0x09] = "panel", [0x19] = "(reserved 0x19)",
[0x0a] = "bulletin board", [0x1a] = "(reserved 0x1a)",
[0x0b] = "camera storage", [0x1b] = "(reserved 0x1b)",
[0x0c] = "(reserved 0x0c)", [0x1c] = "vendor unique",
[0x0d] = "(reserved 0x0d)", [0x1d] = "all subunit types",
[0x0e] = "(reserved 0x0e)", [0x1e] = "subunit_type extended to next byte",
[0x0f] = "(reserved 0x0f)", [0x1f] = "unit",
};
struct avc_enum {
int value;
const char *name;
int value;
const char *name;
};
struct avc_field {
const char *name; /* Short name for field. */
int offset; /* Location of field, specified in bits.
* Negative means from end of packet */
int width; /* Width of field, 0 means use data_length. */
struct avc_enum *names;
const char *name; /* Short name for field. */
int offset; /* Location of field, specified in bits; */
/* negative means from end of packet. */
int width; /* Width of field, 0 means use data_length. */
struct avc_enum *names;
};
struct avc_opcode_info {
const char *name;
struct avc_field fields[8];
const char *name;
struct avc_field fields[8];
};
struct avc_enum power_field_names[] = {
{ 0x70, "on" },
{ 0x60, "off" },
{ }
{ 0x70, "on" },
{ 0x60, "off" },
{ }
};
static const struct avc_opcode_info opcode_info[256] = {
/* TA Document 1999026
* AV/C Digital Interface Command Set General Specification
* Version 4.0 */
[0xb2] =
{ "power", {
{ "state", 0, 8, power_field_names }
}
},
[0x30] =
{ "unit info", {
{ "foo", 0, 8 },
{ "unit_type", 8, 5 },
{ "unit", 13, 3 },
{ "company id", 16, 24 },
}
},
[0x31] = { "subunit info" },
[0x01] = { "reserve" },
[0xb0] = { "version" },
[0x00] = { "vendor dependent" },
[0x02] = { "plug info" },
[0x12] = { "channel usage" },
[0x24] = { "connect" },
[0x20] = { "connect av" },
[0x22] = { "connections" },
[0x11] = { "digital input" },
[0x10] = { "digital output" },
[0x25] = { "disconnect" },
[0x21] = { "disconnect av" },
[0x19] = { "input plug signal format" },
[0x18] = { "output plug signal format" },
[0x1f] = { "general bus setup" },
/* TA Document 1999025
* AV/C Descriptor Mechanism Specification Version 1.0 */
[0x0c] = { "create descriptor" },
[0x08] = { "open descriptor" },
[0x09] = { "read descriptor" },
[0x0a] = { "write descriptor" },
[0x05] = { "open info block" },
[0x06] = { "read info block" },
[0x07] = { "write info block" },
[0x0b] = { "search descriptor" },
[0x0d] = { "object number select" },
/* TA Document 1999015
* AV/C Command Set for Rate Control of Isochronous Data Flow 1.0 */
[0xb3] = { "rate", {
{ "subfunction", 0, 8 },
{ "result", 8, 8 },
{ "plug_type", 16, 8 },
{ "plug_id", 16, 8 },
}
},
/* TA Document 1999008
* AV/C Audio Subunit Specification 1.0 */
[0xb8] = { "function block" },
/* TA Document 2001001
* AV/C Panel Subunit Specification 1.1 */
[0x7d] = { "gui update" },
[0x7e] = { "push gui data" },
[0x7f] = { "user action" },
[0x7c] = { "pass through" },
/* */
[0x26] = { "asynchronous connection" },
/* TA Document 1999026 */
/* AV/C Digital Interface Command Set General Specification 4.0 */
[0xb2] = { "power", {
{ "state", 0, 8, power_field_names }
}
},
[0x30] = { "unit info", {
{ "foo", 0, 8 },
{ "unit_type", 8, 5 },
{ "unit", 13, 3 },
{ "company id", 16, 24 },
}
},
[0x31] = { "subunit info" },
[0x01] = { "reserve" },
[0xb0] = { "version" },
[0x00] = { "vendor dependent" },
[0x02] = { "plug info" },
[0x12] = { "channel usage" },
[0x24] = { "connect" },
[0x20] = { "connect av" },
[0x22] = { "connections" },
[0x11] = { "digital input" },
[0x10] = { "digital output" },
[0x25] = { "disconnect" },
[0x21] = { "disconnect av" },
[0x19] = { "input plug signal format" },
[0x18] = { "output plug signal format" },
[0x1f] = { "general bus setup" },
/* TA Document 1999025 */
/* AV/C Descriptor Mechanism Specification Version 1.0 */
[0x0c] = { "create descriptor" },
[0x08] = { "open descriptor" },
[0x09] = { "read descriptor" },
[0x0a] = { "write descriptor" },
[0x05] = { "open info block" },
[0x06] = { "read info block" },
[0x07] = { "write info block" },
[0x0b] = { "search descriptor" },
[0x0d] = { "object number select" },
/* TA Document 1999015 */
/* AV/C Command Set for Rate Control of Isochronous Data Flow 1.0 */
[0xb3] = { "rate", {
{ "subfunction", 0, 8 },
{ "result", 8, 8 },
{ "plug_type", 16, 8 },
{ "plug_id", 16, 8 },
}
},
/* TA Document 1999008 */
/* AV/C Audio Subunit Specification 1.0 */
[0xb8] = { "function block" },
/* TA Document 2001001 */
/* AV/C Panel Subunit Specification 1.1 */
[0x7d] = { "gui update" },
[0x7e] = { "push gui data" },
[0x7f] = { "user action" },
[0x7c] = { "pass through" },
/* */
[0x26] = { "asynchronous connection" },
};
struct avc_frame {
uint32_t operand0:8;
uint32_t opcode:8;
uint32_t subunit_id:3;
uint32_t subunit_type:5;
uint32_t ctype:4;
uint32_t cts:4;
uint32_t operand0:8;
uint32_t opcode:8;
uint32_t subunit_id:3;
uint32_t subunit_type:5;
uint32_t ctype:4;
uint32_t cts:4;
};
static void
decode_avc(struct link_transaction *t)
{
struct avc_frame *frame = (struct avc_frame *) t->request->packet.write_block.data;
const struct avc_opcode_info *info;
const char *name;
char buffer[32];
int i;
info = &opcode_info[frame->opcode];
if (info->name == NULL) {
snprintf(buffer, sizeof buffer, "(unknown opcode 0x%02x)", frame->opcode);
name = buffer;
} else {
name = info->name;
}
printf("av/c %s, subunit_type=%s, subunit_id=%d, opcode=%s",
ctype_names[frame->ctype], subunit_type_names[frame->subunit_type],
frame->subunit_id, name);
for (i = 0; info->fields[i].name != NULL; i++) {
printf(", %s", info->fields[i].name);
}
printf("\n");
}
struct avc_frame *frame =
(struct avc_frame *) t->request->packet.write_block.data;
const struct avc_opcode_info *info;
const char *name;
char buffer[32];
int i;
info = &opcode_info[frame->opcode];
if (info->name == NULL) {
snprintf(buffer, sizeof(buffer),
"(unknown opcode 0x%02x)", frame->opcode);
name = buffer;
} else {
name = info->name;
}
printf("av/c %s, subunit_type=%s, subunit_id=%d, opcode=%s",
ctype_names[frame->ctype], subunit_type_names[frame->subunit_type],
frame->subunit_id, name);
for (i = 0; info->fields[i].name != NULL; i++)
printf(", %s", info->fields[i].name);
printf("\n");
}
int
decode_fcp(struct link_transaction *t)
{
struct avc_frame *frame = (struct avc_frame *) t->request->packet.write_block.data;
unsigned long long offset;
offset = ((unsigned long long) t->request->packet.common.offset_high << 32) |
t->request->packet.common.offset_low;
if (t->request->packet.common.tcode != TCODE_WRITE_BLOCK)
return 0;
if (offset == CSR_FCP_COMMAND || offset == CSR_FCP_RESPONSE) {
switch (frame->cts) {
case 0x00:
decode_avc(t);
break;
case 0x01:
printf("cal fcp frame (cts=0x01)\n");
break;
case 0x02:
printf("ehs fcp frame (cts=0x02)\n");
break;
case 0x03:
printf("havi fcp frame (cts=0x03)\n");
break;
case 0x0e:
printf("vendor specific fcp frame (cts=0x0e)\n");
break;
case 0x0f:
printf("extended cts\n");
break;
default:
printf("reserved fcp frame (ctx=0x%02x)\n", frame->cts);
break;
struct avc_frame *frame =
(struct avc_frame *) t->request->packet.write_block.data;
unsigned long long offset =
((unsigned long long) t->request->packet.common.offset_high << 32) |
t->request->packet.common.offset_low;
if (t->request->packet.common.tcode != TCODE_WRITE_BLOCK)
return 0;
if (offset == CSR_FCP_COMMAND || offset == CSR_FCP_RESPONSE) {
switch (frame->cts) {
case 0x00:
decode_avc(t);
break;
case 0x01:
printf("cal fcp frame (cts=0x01)\n");
break;
case 0x02:
printf("ehs fcp frame (cts=0x02)\n");
break;
case 0x03:
printf("havi fcp frame (cts=0x03)\n");
break;
case 0x0e:
printf("vendor specific fcp frame (cts=0x0e)\n");
break;
case 0x0f:
printf("extended cts\n");
break;
default:
printf("reserved fcp frame (ctx=0x%02x)\n", frame->cts);
break;
}
return 1;
}
return 1;
}
return 0;
return 0;
}
tools/firewire/list.h
View file @ 92c16f7e
struct list {
struct list *next, *prev;
struct list *next, *prev;
};
static inline void
list_init(struct list *list)
{
list->next = list;
list->prev = list;
list->next = list;
list->prev = list;
}
static inline int
list_empty(struct list *list)
{
return list->next == list;
return list->next == list;
}
static inline void
list_insert(struct list *link, struct list *new_link)
{
new_link->prev = link->prev;
new_link->next = link;
new_link->prev->next = new_link;
new_link->next->prev = new_link;
new_link->prev = link->prev;
new_link->next = link;
new_link->prev->next = new_link;
new_link->next->prev = new_link;
}
static inline void
list_append(struct list *list, struct list *new_link)
{
list_insert((struct list *)list, new_link);
list_insert((struct list *)list, new_link);
}
static inline void
list_prepend(struct list *list, struct list *new_link)
{
list_insert(list->next, new_link);
list_insert(list->next, new_link);
}
static inline void
list_remove(struct list *link)
{
link->prev->next = link->next;
link->next->prev = link->prev;
link->prev->next = link->next;
link->next->prev = link->prev;
}
#define list_entry(link, type, member) \
......
tools/firewire/nosy-dump.c
View file @ 92c16f7e
/* -*- mode: c; c-basic-offset: 2 -*- */
/*
* nosy-dump - Interface to snoop mode driver for TI PCILynx 1394 controllers
* Copyright (C) 2002-2006 Kristian Høgsberg
......@@ -19,642 +17,628 @@
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <byteswap.h>
#include <endian.h>
#include <fcntl.h>
#include <poll.h>
#include <popt.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <endian.h>
#include <popt.h>
#include <poll.h>
#include <byteswap.h>
#include <termios.h>
#include <signal.h>
#include <unistd.h>
#include "list.h"
#include "nosy-user.h"
#include "nosy-dump.h"
#include "nosy-user.h"
enum {
PACKET_FIELD_DETAIL = 0x01,
PACKET_FIELD_DATA_LENGTH = 0x02,
/* Marks the fields we print in transaction view. */
PACKET_FIELD_TRANSACTION = 0x04
PACKET_FIELD_DETAIL = 0x01,
PACKET_FIELD_DATA_LENGTH = 0x02,
/* Marks the fields we print in transaction view. */
PACKET_FIELD_TRANSACTION = 0x04,
};
static void
print_packet(uint32_t *data, size_t length);
static void
decode_link_packet(struct link_packet *packet, size_t length,
int include_flags, int exclude_flags);
static int run = 1;
static void print_packet(uint32_t *data, size_t length);
static void decode_link_packet(struct link_packet *packet, size_t length,
int include_flags, int exclude_flags);
static int run = 1;
sig_t sys_sigint_handler;
static char *option_nosy_device = "/dev/nosy";
static char *option_view = "packet";
static char *option_output = NULL;
static char *option_input = NULL;
static int option_hex;
static int option_iso;
static int option_cycle_start;
static int option_version;
static int option_verbose;
static char *option_output;
static char *option_input;
static int option_hex;
static int option_iso;
static int option_cycle_start;
static int option_version;
static int option_verbose;
enum {
VIEW_TRANSACTION,
VIEW_PACKET,
VIEW_STATS
VIEW_TRANSACTION,
VIEW_PACKET,
VIEW_STATS,
};
static const struct poptOption options[] = {
{
longName: "device",
shortName: 'd',
argInfo: POPT_ARG_STRING,
arg: &option_nosy_device,
descrip: "Path to nosy device.",
argDescrip: "DEVICE"
},
{
longName: "view",
argInfo: POPT_ARG_STRING,
arg: &option_view,
descrip: "Specify view of bus traffic: packet, transaction or stats.",
argDescrip: "VIEW"
},
{
longName: "hex",
shortName: 'x',
argInfo: POPT_ARG_NONE,
arg: &option_hex,
descrip: "Print each packet in hex.",
},
{
longName: "iso",
argInfo: POPT_ARG_NONE,
arg: &option_iso,
descrip: "Print iso packets.",
},
{
longName: "cycle-start",
argInfo: POPT_ARG_NONE,
arg: &option_cycle_start,
descrip: "Print cycle start packets.",
},
{
longName: "verbose",
shortName: 'v',
argInfo: POPT_ARG_NONE,
arg: &option_verbose,
descrip: "Verbose packet view.",
},
{
longName: "output",
shortName: 'o',
argInfo: POPT_ARG_STRING,
arg: &option_output,
descrip: "Log to output file.",
argDescrip: "FILENAME"
},
{
longName: "input",
shortName: 'i',
argInfo: POPT_ARG_STRING,
arg: &option_input,
descrip: "Decode log from file.",
argDescrip: "FILENAME"
},
{
longName: "version",
argInfo: POPT_ARG_NONE,
arg: &option_version,
descrip: "Specify print version info.",
},
POPT_AUTOHELP
POPT_TABLEEND
{
.longName = "device",
.shortName = 'd',
.argInfo = POPT_ARG_STRING,
.arg = &option_nosy_device,
.descrip = "Path to nosy device.",
.argDescrip = "DEVICE"
},
{
.longName = "view",
.argInfo = POPT_ARG_STRING,
.arg = &option_view,
.descrip = "Specify view of bus traffic: packet, transaction or stats.",
.argDescrip = "VIEW"
},
{
.longName = "hex",
.shortName = 'x',
.argInfo = POPT_ARG_NONE,
.arg = &option_hex,
.descrip = "Print each packet in hex.",
},
{
.longName = "iso",
.argInfo = POPT_ARG_NONE,
.arg = &option_iso,
.descrip = "Print iso packets.",
},
{
.longName = "cycle-start",
.argInfo = POPT_ARG_NONE,
.arg = &option_cycle_start,
.descrip = "Print cycle start packets.",
},
{
.longName = "verbose",
.shortName = 'v',
.argInfo = POPT_ARG_NONE,
.arg = &option_verbose,
.descrip = "Verbose packet view.",
},
{
.longName = "output",
.shortName = 'o',
.argInfo = POPT_ARG_STRING,
.arg = &option_output,
.descrip = "Log to output file.",
.argDescrip = "FILENAME"
},
{
.longName = "input",
.shortName = 'i',
.argInfo = POPT_ARG_STRING,
.arg = &option_input,
.descrip = "Decode log from file.",
.argDescrip = "FILENAME"
},
{
.longName = "version",
.argInfo = POPT_ARG_NONE,
.arg = &option_version,
.descrip = "Specify print version info.",
},
POPT_AUTOHELP
POPT_TABLEEND
};
void
/* Allow all ^C except the first to interrupt the program in the usual way. */
void
sigint_handler(int signal_num)
{
if (run == 1) {
run = 0;
/* Allow all Ctrl-C's except the first to interrupt the program in
* the usual way.
*/
signal(SIGINT, SIG_DFL);
}
if (run == 1) {
run = 0;
signal(SIGINT, SIG_DFL);
}
}
struct subaction *
subaction_create(uint32_t *data, size_t length)
{
struct subaction *sa;
struct subaction *sa;
/* we put the ack in the subaction struct for easy access. */
sa = malloc(sizeof *sa - sizeof sa->packet + length);
sa->ack = data[length / 4 - 1];
sa->length = length;
memcpy (&sa->packet, data, length);
/* we put the ack in the subaction struct for easy access. */
sa = malloc(sizeof *sa - sizeof sa->packet + length);
sa->ack = data[length / 4 - 1];
sa->length = length;
memcpy(&sa->packet, data, length);
return sa;
return sa;
}
void
subaction_destroy(struct subaction *sa)
{
free(sa);
free(sa);
}
struct list pending_transaction_list =
{ &pending_transaction_list, &pending_transaction_list };
struct list pending_transaction_list = {
&pending_transaction_list, &pending_transaction_list
};
struct link_transaction *
link_transaction_lookup(int request_node, int response_node, int tlabel)
{
struct link_transaction *t;
list_for_each_entry(t, &pending_transaction_list, link) {
if (t->request_node == request_node &&
t->response_node == response_node &&
t->tlabel == tlabel)
return t;
}
t = malloc(sizeof *t);
t->request_node = request_node;
t->response_node = response_node;
t->tlabel = tlabel;
list_init(&t->request_list);
list_init(&t->response_list);
list_append(&pending_transaction_list, &t->link);
return t;
struct link_transaction *t;
list_for_each_entry(t, &pending_transaction_list, link) {
if (t->request_node == request_node &&
t->response_node == response_node &&
t->tlabel == tlabel)
return t;
}
t = malloc(sizeof *t);
t->request_node = request_node;
t->response_node = response_node;
t->tlabel = tlabel;
list_init(&t->request_list);
list_init(&t->response_list);
list_append(&pending_transaction_list, &t->link);
return t;
}
void
link_transaction_destroy(struct link_transaction *t)
{
while (!list_empty(&t->request_list)) {
struct subaction *sa = list_head(&t->request_list, struct subaction, link);
list_remove(&sa->link);
subaction_destroy(sa);
}
while (!list_empty(&t->response_list)) {
struct subaction *sa = list_head(&t->response_list, struct subaction, link);
list_remove(&sa->link);
subaction_destroy(sa);
}
free(t);
struct subaction *sa;
while (!list_empty(&t->request_list)) {
sa = list_head(&t->request_list, struct subaction, link);
list_remove(&sa->link);
subaction_destroy(sa);
}
while (!list_empty(&t->response_list)) {
sa = list_head(&t->response_list, struct subaction, link);
list_remove(&sa->link);
subaction_destroy(sa);
}
free(t);
}
struct protocol_decoder {
const char *name;
int (*decode)(struct link_transaction *t);
const char *name;
int (*decode)(struct link_transaction *t);
};
static struct protocol_decoder protocol_decoders[] = {
{ "FCP", decode_fcp }
{ "FCP", decode_fcp }
};
void
handle_transaction(struct link_transaction *t)
{
struct subaction *sa;
int i;
if (!t->request) {
printf("BUG in handle_transaction\n");
return;
}
for (i = 0; i < array_length(protocol_decoders); i++)
if (protocol_decoders[i].decode(t))
break;
/* HACK: decode only fcp right now. */
return;
decode_link_packet(&t->request->packet, t->request->length,
PACKET_FIELD_TRANSACTION, 0);
if (t->response)
decode_link_packet(&t->response->packet, t->request->length,
PACKET_FIELD_TRANSACTION, 0);
else
printf("[no response]");
if (option_verbose) {
list_for_each_entry(sa, &t->request_list, link)
print_packet((uint32_t *) &sa->packet, sa->length);
list_for_each_entry(sa, &t->response_list, link)
print_packet((uint32_t *) &sa->packet, sa->length);
}
printf("\r\n");
link_transaction_destroy(t);
struct subaction *sa;
int i;
if (!t->request) {
printf("BUG in handle_transaction\n");
return;
}
for (i = 0; i < array_length(protocol_decoders); i++)
if (protocol_decoders[i].decode(t))
break;
/* HACK: decode only fcp right now. */
return;
decode_link_packet(&t->request->packet, t->request->length,
PACKET_FIELD_TRANSACTION, 0);
if (t->response)
decode_link_packet(&t->response->packet, t->request->length,
PACKET_FIELD_TRANSACTION, 0);
else
printf("[no response]");
if (option_verbose) {
list_for_each_entry(sa, &t->request_list, link)
print_packet((uint32_t *) &sa->packet, sa->length);
list_for_each_entry(sa, &t->response_list, link)
print_packet((uint32_t *) &sa->packet, sa->length);
}
printf("\r\n");
link_transaction_destroy(t);
}
void
clear_pending_transaction_list(void)
{
struct link_transaction *t;
while (!list_empty(&pending_transaction_list)) {
t = list_head(&pending_transaction_list, struct link_transaction, link);
list_remove(&t->link);
link_transaction_destroy(t);
/* print unfinished transactions */
}
struct link_transaction *t;
while (!list_empty(&pending_transaction_list)) {
t = list_head(&pending_transaction_list,
struct link_transaction, link);
list_remove(&t->link);
link_transaction_destroy(t);
/* print unfinished transactions */
}
}
static const char * const tcode_names[] = {
"write_quadlet_request",
"write_block_request",
"write_response",
"reserved",
"read_quadlet_request",
"read_block_request",
"read_quadlet_response",
"read_block_response",
"cycle_start",
"lock_request",
"iso_data",
"lock_response"
[0x0] = "write_quadlet_request", [0x6] = "read_quadlet_response",
[0x1] = "write_block_request", [0x7] = "read_block_response",
[0x2] = "write_response", [0x8] = "cycle_start",
[0x3] = "reserved", [0x9] = "lock_request",
[0x4] = "read_quadlet_request", [0xa] = "iso_data",
[0x5] = "read_block_request", [0xb] = "lock_response",
};
static const char * const ack_names[] = {
"no ack",
"ack_complete",
"ack_pending",
"reserved (0x03)",
"ack_busy_x",
"ack_busy_a",
"ack_busy_b",
"reserved (0x07)",
"reserved (0x08)",
"reserved (0x09)",
"reserved (0x0a)",
"reserved (0x0b)",
"reserved (0x0c)",
"ack_data_error",
"ack_type_error",
"reserved (0x0f)",
[0x0] = "no ack", [0x8] = "reserved (0x08)",
[0x1] = "ack_complete", [0x9] = "reserved (0x09)",
[0x2] = "ack_pending", [0xa] = "reserved (0x0a)",
[0x3] = "reserved (0x03)", [0xb] = "reserved (0x0b)",
[0x4] = "ack_busy_x", [0xc] = "reserved (0x0c)",
[0x5] = "ack_busy_a", [0xd] = "ack_data_error",
[0x6] = "ack_busy_b", [0xe] = "ack_type_error",
[0x7] = "reserved (0x07)", [0xf] = "reserved (0x0f)",
};
static const char * const rcode_names[] = {
"complete",
"reserved (0x01)",
"reserved (0x02)",
"reserved (0x03)",
"conflict_error",
"data_error",
"type_error",
"address_error",
[0x0] = "complete", [0x4] = "conflict_error",
[0x1] = "reserved (0x01)", [0x5] = "data_error",
[0x2] = "reserved (0x02)", [0x6] = "type_error",
[0x3] = "reserved (0x03)", [0x7] = "address_error",
};
static const char * const retry_names[] = {
"retry_1",
"retry_x",
"retry_a",
"retry_b",
[0x0] = "retry_1",
[0x1] = "retry_x",
[0x2] = "retry_a",
[0x3] = "retry_b",
};
enum {
PACKET_RESERVED,
PACKET_REQUEST,
PACKET_RESPONSE,
PACKET_OTHER,
PACKET_RESERVED,
PACKET_REQUEST,
PACKET_RESPONSE,
PACKET_OTHER,
};
struct packet_info {
const char *name;
int type;
int response_tcode;
struct packet_field *fields;
int field_count;
const char *name;
int type;
int response_tcode;
struct packet_field *fields;
int field_count;
};
struct packet_field {
const char *name; /* Short name for field. */
int offset; /* Location of field, specified in bits.
* Negative means from end of packet */
int width; /* Width of field, 0 means use data_length. */
int flags; /* Show options. */
const char * const *value_names;
const char *name; /* Short name for field. */
int offset; /* Location of field, specified in bits; */
/* negative means from end of packet. */
int width; /* Width of field, 0 means use data_length. */
int flags; /* Show options. */
const char * const *value_names;
};
#define COMMON_REQUEST_FIELDS \
{ "dest", 0, 16, PACKET_FIELD_TRANSACTION }, \
{ "tl", 16, 6 }, \
{ "rt", 22, 2, PACKET_FIELD_DETAIL, retry_names }, \
{ "tcode", 24, 4, PACKET_FIELD_TRANSACTION, tcode_names }, \
{ "pri", 28, 4, PACKET_FIELD_DETAIL }, \
{ "src", 32, 16, PACKET_FIELD_TRANSACTION }, \
{ "offs", 48, 48, PACKET_FIELD_TRANSACTION }
#define COMMON_RESPONSE_FIELDS \
{ "dest", 0, 16 }, \
{ "tl", 16, 6 }, \
{ "rt", 22, 2, PACKET_FIELD_DETAIL, retry_names }, \
{ "tcode", 24, 4, 0, tcode_names }, \
{ "pri", 28, 4, PACKET_FIELD_DETAIL }, \
{ "src", 32, 16 }, \
{ "rcode", 48, 4, PACKET_FIELD_TRANSACTION, rcode_names }
#define COMMON_REQUEST_FIELDS \
{ "dest", 0, 16, PACKET_FIELD_TRANSACTION }, \
{ "tl", 16, 6 }, \
{ "rt", 22, 2, PACKET_FIELD_DETAIL, retry_names }, \
{ "tcode", 24, 4, PACKET_FIELD_TRANSACTION, tcode_names }, \
{ "pri", 28, 4, PACKET_FIELD_DETAIL }, \
{ "src", 32, 16, PACKET_FIELD_TRANSACTION }, \
{ "offs", 48, 48, PACKET_FIELD_TRANSACTION }
#define COMMON_RESPONSE_FIELDS \
{ "dest", 0, 16 }, \
{ "tl", 16, 6 }, \
{ "rt", 22, 2, PACKET_FIELD_DETAIL, retry_names }, \
{ "tcode", 24, 4, 0, tcode_names }, \
{ "pri", 28, 4, PACKET_FIELD_DETAIL }, \
{ "src", 32, 16 }, \
{ "rcode", 48, 4, PACKET_FIELD_TRANSACTION, rcode_names }
struct packet_field read_quadlet_request_fields[] = {
COMMON_REQUEST_FIELDS,
{ "crc", 96, 32, PACKET_FIELD_DETAIL },
{ "ack", 156, 4, 0, ack_names }
COMMON_REQUEST_FIELDS,
{ "crc", 96, 32, PACKET_FIELD_DETAIL },
{ "ack", 156, 4, 0, ack_names },
};
struct packet_field read_quadlet_response_fields[] = {
COMMON_RESPONSE_FIELDS,
{ "data", 96, 32, PACKET_FIELD_TRANSACTION },
{ "crc", 128, 32, PACKET_FIELD_DETAIL },
{ "ack", 188, 4, 0, ack_names }
COMMON_RESPONSE_FIELDS,
{ "data", 96, 32, PACKET_FIELD_TRANSACTION },
{ "crc", 128, 32, PACKET_FIELD_DETAIL },
{ "ack", 188, 4, 0, ack_names },
};
struct packet_field read_block_request_fields[] = {
COMMON_REQUEST_FIELDS,
{ "data_length", 96, 16, PACKET_FIELD_TRANSACTION },
{ "extended_tcode", 112, 16 },
{ "crc", 128, 32, PACKET_FIELD_DETAIL },
{ "ack", 188, 4, 0, ack_names },
COMMON_REQUEST_FIELDS,
{ "data_length", 96, 16, PACKET_FIELD_TRANSACTION },
{ "extended_tcode", 112, 16 },
{ "crc", 128, 32, PACKET_FIELD_DETAIL },
{ "ack", 188, 4, 0, ack_names },
};
struct packet_field block_response_fields[] = {
COMMON_RESPONSE_FIELDS,
{ "data_length", 96, 16, PACKET_FIELD_DATA_LENGTH },
{ "extended_tcode", 112, 16 },
{ "crc", 128, 32, PACKET_FIELD_DETAIL },
{ "data", 160, 0, PACKET_FIELD_TRANSACTION },
{ "crc", -64, 32, PACKET_FIELD_DETAIL },
{ "ack", -4, 4, 0, ack_names }
COMMON_RESPONSE_FIELDS,
{ "data_length", 96, 16, PACKET_FIELD_DATA_LENGTH },
{ "extended_tcode", 112, 16 },
{ "crc", 128, 32, PACKET_FIELD_DETAIL },
{ "data", 160, 0, PACKET_FIELD_TRANSACTION },
{ "crc", -64, 32, PACKET_FIELD_DETAIL },
{ "ack", -4, 4, 0, ack_names },
};
struct packet_field write_quadlet_request_fields[] = {
COMMON_REQUEST_FIELDS,
{ "data", 96, 32, PACKET_FIELD_TRANSACTION },
{ "ack", -4, 4, 0, ack_names }
COMMON_REQUEST_FIELDS,
{ "data", 96, 32, PACKET_FIELD_TRANSACTION },
{ "ack", -4, 4, 0, ack_names },
};
struct packet_field block_request_fields[] = {
COMMON_REQUEST_FIELDS,
{ "data_length", 96, 16, PACKET_FIELD_DATA_LENGTH | PACKET_FIELD_TRANSACTION },
{ "extended_tcode", 112, 16, PACKET_FIELD_TRANSACTION },
{ "crc", 128, 32, PACKET_FIELD_DETAIL },
{ "data", 160, 0, PACKET_FIELD_TRANSACTION },
{ "crc", -64, 32, PACKET_FIELD_DETAIL },
{ "ack", -4, 4, 0, ack_names }
COMMON_REQUEST_FIELDS,
{ "data_length", 96, 16, PACKET_FIELD_DATA_LENGTH | PACKET_FIELD_TRANSACTION },
{ "extended_tcode", 112, 16, PACKET_FIELD_TRANSACTION },
{ "crc", 128, 32, PACKET_FIELD_DETAIL },
{ "data", 160, 0, PACKET_FIELD_TRANSACTION },
{ "crc", -64, 32, PACKET_FIELD_DETAIL },
{ "ack", -4, 4, 0, ack_names },
};
struct packet_field write_response_fields[] = {
COMMON_RESPONSE_FIELDS,
{ "reserved", 64, 32, PACKET_FIELD_DETAIL },
{ "ack", -4, 4, 0, ack_names }
COMMON_RESPONSE_FIELDS,
{ "reserved", 64, 32, PACKET_FIELD_DETAIL },
{ "ack", -4, 4, 0, ack_names },
};
struct packet_field iso_data_fields[] = {
{ "data_length", 0, 16, PACKET_FIELD_DATA_LENGTH },
{ "tag", 16, 2 },
{ "channel", 18, 6 },
{ "tcode", 24, 4, 0, tcode_names },
{ "sy", 28, 4 },
{ "crc", 32, 32, PACKET_FIELD_DETAIL },
{ "data", 64, 0 },
{ "crc", -64, 32, PACKET_FIELD_DETAIL },
{ "ack", -4, 4, 0, ack_names }
{ "data_length", 0, 16, PACKET_FIELD_DATA_LENGTH },
{ "tag", 16, 2 },
{ "channel", 18, 6 },
{ "tcode", 24, 4, 0, tcode_names },
{ "sy", 28, 4 },
{ "crc", 32, 32, PACKET_FIELD_DETAIL },
{ "data", 64, 0 },
{ "crc", -64, 32, PACKET_FIELD_DETAIL },
{ "ack", -4, 4, 0, ack_names },
};
static struct packet_info packet_info[] = {
{
.name = "write_quadlet_request",
.type = PACKET_REQUEST,
.response_tcode = TCODE_WRITE_RESPONSE,
.fields = write_quadlet_request_fields,
.field_count = array_length(write_quadlet_request_fields)
},
{
.name = "write_block_request",
.type = PACKET_REQUEST,
.response_tcode = TCODE_WRITE_RESPONSE,
.fields = block_request_fields,
.field_count = array_length(block_request_fields)
},
{
.name = "write_response",
.type = PACKET_RESPONSE,
.fields = write_response_fields,
.field_count = array_length(write_response_fields)
},
{
.name = "reserved",
.type = PACKET_RESERVED,
},
{
.name = "read_quadlet_request",
.type = PACKET_REQUEST,
.response_tcode = TCODE_READ_QUADLET_RESPONSE,
.fields = read_quadlet_request_fields,
.field_count = array_length(read_quadlet_request_fields)
},
{
.name = "read_block_request",
.type = PACKET_REQUEST,
.response_tcode = TCODE_READ_BLOCK_RESPONSE,
.fields = read_block_request_fields,
.field_count = array_length(read_block_request_fields)
},
{
.name = "read_quadlet_response",
.type = PACKET_RESPONSE,
.fields = read_quadlet_response_fields,
.field_count = array_length(read_quadlet_response_fields)
},
{
.name = "read_block_response",
.type = PACKET_RESPONSE,
.fields = block_response_fields,
.field_count = array_length(block_response_fields)
},
{
.name = "cycle_start",
.type = PACKET_OTHER,
.fields = write_quadlet_request_fields,
.field_count = array_length(write_quadlet_request_fields)
},
{
.name = "lock_request",
.type = PACKET_REQUEST,
.fields = block_request_fields,
.field_count = array_length(block_request_fields)
},
{
.name = "iso_data",
.type = PACKET_OTHER,
.fields = iso_data_fields,
.field_count = array_length(iso_data_fields)
},
{
.name = "lock_response",
.type = PACKET_RESPONSE,
.fields = block_response_fields,
.field_count = array_length(block_response_fields)
}
{
.name = "write_quadlet_request",
.type = PACKET_REQUEST,
.response_tcode = TCODE_WRITE_RESPONSE,
.fields = write_quadlet_request_fields,
.field_count = array_length(write_quadlet_request_fields)
},
{
.name = "write_block_request",
.type = PACKET_REQUEST,
.response_tcode = TCODE_WRITE_RESPONSE,
.fields = block_request_fields,
.field_count = array_length(block_request_fields)
},
{
.name = "write_response",
.type = PACKET_RESPONSE,
.fields = write_response_fields,
.field_count = array_length(write_response_fields)
},
{
.name = "reserved",
.type = PACKET_RESERVED,
},
{
.name = "read_quadlet_request",
.type = PACKET_REQUEST,
.response_tcode = TCODE_READ_QUADLET_RESPONSE,
.fields = read_quadlet_request_fields,
.field_count = array_length(read_quadlet_request_fields)
},
{
.name = "read_block_request",
.type = PACKET_REQUEST,
.response_tcode = TCODE_READ_BLOCK_RESPONSE,
.fields = read_block_request_fields,
.field_count = array_length(read_block_request_fields)
},
{
.name = "read_quadlet_response",
.type = PACKET_RESPONSE,
.fields = read_quadlet_response_fields,
.field_count = array_length(read_quadlet_response_fields)
},
{
.name = "read_block_response",
.type = PACKET_RESPONSE,
.fields = block_response_fields,
.field_count = array_length(block_response_fields)
},
{
.name = "cycle_start",
.type = PACKET_OTHER,
.fields = write_quadlet_request_fields,
.field_count = array_length(write_quadlet_request_fields)
},
{
.name = "lock_request",
.type = PACKET_REQUEST,
.fields = block_request_fields,
.field_count = array_length(block_request_fields)
},
{
.name = "iso_data",
.type = PACKET_OTHER,
.fields = iso_data_fields,
.field_count = array_length(iso_data_fields)
},
{
.name = "lock_response",
.type = PACKET_RESPONSE,
.fields = block_response_fields,
.field_count = array_length(block_response_fields)
},
};
int
handle_packet(uint32_t *data, size_t length)
{
if (length == 0) {
printf("bus reset\r\n");
clear_pending_transaction_list();
}
else if (length > sizeof(struct phy_packet)) {
struct link_packet *p = (struct link_packet *) data;
struct subaction *sa, *prev;
struct link_transaction *t;
switch (packet_info[p->common.tcode].type) {
case PACKET_REQUEST:
t = link_transaction_lookup(p->common.source, p->common.destination,
p->common.tlabel);
sa = subaction_create(data, length);
t->request = sa;
if (!list_empty(&t->request_list)) {
prev = list_tail(&t->request_list, struct subaction, link);
if (!ACK_BUSY(prev->ack)) {
/* error, we should only see ack_busy_* before the
* ack_pending/ack_complete -- this is an ack_pending
* instead (ack_complete would have finished the
* transaction). */
if (length == 0) {
printf("bus reset\r\n");
clear_pending_transaction_list();
} else if (length > sizeof(struct phy_packet)) {
struct link_packet *p = (struct link_packet *) data;
struct subaction *sa, *prev;
struct link_transaction *t;
switch (packet_info[p->common.tcode].type) {
case PACKET_REQUEST:
t = link_transaction_lookup(p->common.source, p->common.destination,
p->common.tlabel);
sa = subaction_create(data, length);
t->request = sa;
if (!list_empty(&t->request_list)) {
prev = list_tail(&t->request_list,
struct subaction, link);
if (!ACK_BUSY(prev->ack)) {
/*
* error, we should only see ack_busy_* before the
* ack_pending/ack_complete -- this is an ack_pending
* instead (ack_complete would have finished the
* transaction).
*/
}
if (prev->packet.common.tcode != sa->packet.common.tcode ||
prev->packet.common.tlabel != sa->packet.common.tlabel) {
/* memcmp() ? */
/* error, these should match for retries. */
}
}
list_append(&t->request_list, &sa->link);
switch (sa->ack) {
case ACK_COMPLETE:
if (p->common.tcode != TCODE_WRITE_QUADLET &&
p->common.tcode != TCODE_WRITE_BLOCK)
/* error, unified transactions only allowed for write */;
list_remove(&t->link);
handle_transaction(t);
break;
case ACK_NO_ACK:
case ACK_DATA_ERROR:
case ACK_TYPE_ERROR:
list_remove(&t->link);
handle_transaction(t);
break;
case ACK_PENDING:
/* request subaction phase over, wait for response. */
break;
case ACK_BUSY_X:
case ACK_BUSY_A:
case ACK_BUSY_B:
/* ok, wait for retry. */
/* check that retry protocol is respected. */
break;
}
break;
case PACKET_RESPONSE:
t = link_transaction_lookup(p->common.destination, p->common.source,
p->common.tlabel);
if (list_empty(&t->request_list)) {
/* unsolicited response */
}
sa = subaction_create(data, length);
t->response = sa;
if (!list_empty(&t->response_list)) {
prev = list_tail(&t->response_list, struct subaction, link);
if (!ACK_BUSY(prev->ack)) {
/*
* error, we should only see ack_busy_* before the
* ack_pending/ack_complete
*/
}
if (prev->packet.common.tcode != sa->packet.common.tcode ||
prev->packet.common.tlabel != sa->packet.common.tlabel) {
/* use memcmp() instead? */
/* error, these should match for retries. */
}
} else {
prev = list_tail(&t->request_list, struct subaction, link);
if (prev->ack != ACK_PENDING) {
/*
* error, should not get response unless last request got
* ack_pending.
*/
}
if (packet_info[prev->packet.common.tcode].response_tcode !=
sa->packet.common.tcode) {
/* error, tcode mismatch */
}
}
list_append(&t->response_list, &sa->link);
switch (sa->ack) {
case ACK_COMPLETE:
case ACK_NO_ACK:
case ACK_DATA_ERROR:
case ACK_TYPE_ERROR:
list_remove(&t->link);
handle_transaction(t);
/* transaction complete, remove t from pending list. */
break;
case ACK_PENDING:
/* error for responses. */
break;
case ACK_BUSY_X:
case ACK_BUSY_A:
case ACK_BUSY_B:
/* no problem, wait for next retry */
break;
}
break;
case PACKET_OTHER:
case PACKET_RESERVED:
return 0;
}
}
if (prev->packet.common.tcode != sa->packet.common.tcode ||
prev->packet.common.tlabel != sa->packet.common.tlabel)
/* memcmp() ? */
/* error, these should match for retries. */;
}
list_append(&t->request_list, &sa->link);
switch (sa->ack) {
case ACK_COMPLETE:
if (p->common.tcode != TCODE_WRITE_QUADLET &&
p->common.tcode != TCODE_WRITE_BLOCK)
/* error, unified transactions only allowed for write */;
list_remove(&t->link);
handle_transaction(t);
break;
case ACK_NO_ACK:
case ACK_DATA_ERROR:
case ACK_TYPE_ERROR:
list_remove(&t->link);
handle_transaction(t);
break;
case ACK_PENDING:
/* request subaction phase over, wait for response. */
break;
case ACK_BUSY_X:
case ACK_BUSY_A:
case ACK_BUSY_B:
/* ok, wait for retry. */
/* check that retry protocol is respected. */
break;
}
break;
case PACKET_RESPONSE:
t = link_transaction_lookup(p->common.destination, p->common.source,
p->common.tlabel);
if (list_empty(&t->request_list)) {
/* unsolicited response */
}
sa = subaction_create(data, length);
t->response = sa;
if (!list_empty(&t->response_list)) {
prev = list_tail(&t->response_list, struct subaction, link);
if (!ACK_BUSY(prev->ack))
/* error, we should only see ack_busy_* before the
* ack_pending/ack_complete */;
if (prev->packet.common.tcode != sa->packet.common.tcode ||
prev->packet.common.tlabel != sa->packet.common.tlabel)
/* use memcmp() instead? */
/* error, these should match for retries. */;
}
else {
prev = list_tail(&t->request_list, struct subaction, link);
if (prev->ack != ACK_PENDING) {
/* error, should not get response unless last request got
* ack_pending. */
}
if (packet_info[prev->packet.common.tcode].response_tcode !=
sa->packet.common.tcode) {
/* error, tcode mismatch */
}
}
list_append(&t->response_list, &sa->link);
switch (sa->ack) {
case ACK_COMPLETE:
case ACK_NO_ACK:
case ACK_DATA_ERROR:
case ACK_TYPE_ERROR:
list_remove(&t->link);
handle_transaction(t);
/* transaction complete, remove t from pending list. */
break;
case ACK_PENDING:
/* error for responses. */
break;
case ACK_BUSY_X:
case ACK_BUSY_A:
case ACK_BUSY_B:
/* no problem, wait for next retry */
break;
}
break;
case PACKET_OTHER:
case PACKET_RESERVED:
return 0;
}
}
return 1;
return 1;
}
unsigned int get_bits(struct link_packet *packet, int offset, int width)
{
uint32_t *data = (uint32_t *) packet;
uint32_t index, shift, mask;
uint32_t *data = (uint32_t *) packet;
uint32_t index, shift, mask;
index = offset / 32 + 1;
shift = 32 - (offset & 31) - width;
mask = width == 32 ? ~0 : (1 << width) - 1;
index = offset / 32 + 1;
shift = 32 - (offset & 31) - width;
mask = width == 32 ? ~0 : (1 << width) - 1;
return (data[index] >> shift) & mask;
return (data[index] >> shift) & mask;
}
#if __BYTE_ORDER == __LITTLE_ENDIAN
......@@ -667,166 +651,159 @@ unsigned int get_bits(struct link_packet *packet, int offset, int width)
void dump_data(unsigned char *data, int length)
{
int i, print_length;
int i, print_length;
if (length > 128)
print_length = 128;
else
print_length = length;
if (length > 128)
print_length = 128;
else
print_length = length;
for (i = 0; i < print_length; i++)
printf("%s%02hhx",
(i % 4 == 0 && i != 0) ? " " : "",
data[byte_index(i)]);
for (i = 0; i < print_length; i++)
printf("%s%02hhx",
(i % 4 == 0 && i != 0) ? " " : "",
data[byte_index(i)]);
if (print_length < length)
printf(" (%d more bytes)", length - print_length);
if (print_length < length)
printf(" (%d more bytes)", length - print_length);
}
static void
decode_link_packet(struct link_packet *packet, size_t length,
int include_flags, int exclude_flags)
{
struct packet_info *pi;
int data_length = 0;
int i;
pi = &packet_info[packet->common.tcode];
for (i = 0; i < pi->field_count; i++) {
struct packet_field *f = &pi->fields[i];
int offset;
if (f->flags & exclude_flags)
continue;
if (include_flags && !(f->flags & include_flags))
continue;
if (f->offset < 0)
offset = length * 8 + f->offset - 32;
else
offset = f->offset;
if (f->value_names != NULL) {
uint32_t bits;
bits = get_bits(packet, offset, f->width);
printf("%s", f->value_names[bits]);
}
else if (f->width == 0) {
printf("%s=[", f->name);
dump_data((unsigned char *) packet + (offset / 8 + 4), data_length);
printf("]");
}
else {
unsigned long long bits;
int high_width, low_width;
if ((offset & ~31) != ((offset + f->width - 1) & ~31)) {
/* Bit field spans quadlet boundary. */
high_width = ((offset + 31) & ~31) - offset;
low_width = f->width - high_width;
bits = get_bits(packet, offset, high_width);
bits = (bits << low_width) |
get_bits(packet, offset + high_width, low_width);
}
else
bits = get_bits(packet, offset, f->width);
printf("%s=0x%0*llx", f->name, (f->width + 3) / 4, bits);
if (f->flags & PACKET_FIELD_DATA_LENGTH)
data_length = bits;
}
if (i < pi->field_count - 1)
printf(", ");
}
struct packet_info *pi;
int data_length = 0;
int i;
pi = &packet_info[packet->common.tcode];
for (i = 0; i < pi->field_count; i++) {
struct packet_field *f = &pi->fields[i];
int offset;
if (f->flags & exclude_flags)
continue;
if (include_flags && !(f->flags & include_flags))
continue;
if (f->offset < 0)
offset = length * 8 + f->offset - 32;
else
offset = f->offset;
if (f->value_names != NULL) {
uint32_t bits;
bits = get_bits(packet, offset, f->width);
printf("%s", f->value_names[bits]);
} else if (f->width == 0) {
printf("%s=[", f->name);
dump_data((unsigned char *) packet + (offset / 8 + 4), data_length);
printf("]");
} else {
unsigned long long bits;
int high_width, low_width;
if ((offset & ~31) != ((offset + f->width - 1) & ~31)) {
/* Bit field spans quadlet boundary. */
high_width = ((offset + 31) & ~31) - offset;
low_width = f->width - high_width;
bits = get_bits(packet, offset, high_width);
bits = (bits << low_width) |
get_bits(packet, offset + high_width, low_width);
} else {
bits = get_bits(packet, offset, f->width);
}
printf("%s=0x%0*llx", f->name, (f->width + 3) / 4, bits);
if (f->flags & PACKET_FIELD_DATA_LENGTH)
data_length = bits;
}
if (i < pi->field_count - 1)
printf(", ");
}
}
static void
print_packet(uint32_t *data, size_t length)
{
int i;
printf("%6u ", data[0]);
if (length == 4)
printf("bus reset");
else if (length < sizeof(struct phy_packet)) {
printf("short packet: ");
for (i = 1; i < length / 4; i++)
printf("%s%08x", i == 0 ? "[" : " ", data[i]);
printf("]");
}
else if (length == sizeof(struct phy_packet) && data[1] == ~data[2]) {
struct phy_packet *pp = (struct phy_packet *) data;
/* phy packet are 3 quadlets: the 1 quadlet payload,
* the bitwise inverse of the payload and the snoop
* mode ack */
switch (pp->common.identifier) {
case PHY_PACKET_CONFIGURATION:
if (!pp->phy_config.set_root && !pp->phy_config.set_gap_count) {
printf("ext phy config: phy_id=%02x", pp->phy_config.root_id);
}
else {
printf("phy config:");
if (pp->phy_config.set_root)
printf(" set_root_id=%02x", pp->phy_config.root_id);
if (pp->phy_config.set_gap_count)
printf(" set_gap_count=%d", pp->phy_config.gap_count);
}
break;
case PHY_PACKET_LINK_ON:
printf("link-on packet, phy_id=%02x", pp->link_on.phy_id);
break;
case PHY_PACKET_SELF_ID:
if (pp->self_id.extended) {
printf("extended self id: phy_id=%02x, seq=%d",
pp->ext_self_id.phy_id, pp->ext_self_id.sequence);
}
else {
static const char * const speed_names[] = {
"S100", "S200", "S400", "BETA"
};
printf("self id: phy_id=%02x, link %s, gap_count=%d, speed=%s%s%s",
pp->self_id.phy_id,
(pp->self_id.link_active ? "active" : "not active"),
pp->self_id.gap_count,
speed_names[pp->self_id.phy_speed],
(pp->self_id.contender ? ", irm contender" : ""),
(pp->self_id.initiated_reset ? ", initiator" : ""));
}
break;
default:
printf("unknown phy packet: ");
for (i = 1; i < length / 4; i++)
printf("%s%08x", i == 0 ? "[" : " ", data[i]);
printf("]");
break;
}
}
else {
struct link_packet *packet = (struct link_packet *) data;
decode_link_packet(packet, length, 0,
option_verbose ? 0 : PACKET_FIELD_DETAIL);
}
if (option_hex) {
printf(" [");
dump_data((unsigned char *) data + 4, length - 4);
printf("]");
}
printf("\r\n");
int i;
printf("%6u ", data[0]);
if (length == 4) {
printf("bus reset");
} else if (length < sizeof(struct phy_packet)) {
printf("short packet: ");
for (i = 1; i < length / 4; i++)
printf("%s%08x", i == 0 ? "[" : " ", data[i]);
printf("]");
} else if (length == sizeof(struct phy_packet) && data[1] == ~data[2]) {
struct phy_packet *pp = (struct phy_packet *) data;
/* phy packet are 3 quadlets: the 1 quadlet payload,
* the bitwise inverse of the payload and the snoop
* mode ack */
switch (pp->common.identifier) {
case PHY_PACKET_CONFIGURATION:
if (!pp->phy_config.set_root && !pp->phy_config.set_gap_count) {
printf("ext phy config: phy_id=%02x", pp->phy_config.root_id);
} else {
printf("phy config:");
if (pp->phy_config.set_root)
printf(" set_root_id=%02x", pp->phy_config.root_id);
if (pp->phy_config.set_gap_count)
printf(" set_gap_count=%d", pp->phy_config.gap_count);
}
break;
case PHY_PACKET_LINK_ON:
printf("link-on packet, phy_id=%02x", pp->link_on.phy_id);
break;
case PHY_PACKET_SELF_ID:
if (pp->self_id.extended) {
printf("extended self id: phy_id=%02x, seq=%d",
pp->ext_self_id.phy_id, pp->ext_self_id.sequence);
} else {
static const char * const speed_names[] = {
"S100", "S200", "S400", "BETA"
};
printf("self id: phy_id=%02x, link %s, gap_count=%d, speed=%s%s%s",
pp->self_id.phy_id,
(pp->self_id.link_active ? "active" : "not active"),
pp->self_id.gap_count,
speed_names[pp->self_id.phy_speed],
(pp->self_id.contender ? ", irm contender" : ""),
(pp->self_id.initiated_reset ? ", initiator" : ""));
}
break;
default:
printf("unknown phy packet: ");
for (i = 1; i < length / 4; i++)
printf("%s%08x", i == 0 ? "[" : " ", data[i]);
printf("]");
break;
}
} else {
struct link_packet *packet = (struct link_packet *) data;
decode_link_packet(packet, length, 0,
option_verbose ? 0 : PACKET_FIELD_DETAIL);
}
if (option_hex) {
printf(" [");
dump_data((unsigned char *) data + 4, length - 4);
printf("]");
}
printf("\r\n");
}
#define HIDE_CURSOR "\033[?25l"
......@@ -836,206 +813,204 @@ print_packet(uint32_t *data, size_t length)
static void
print_stats(uint32_t *data, size_t length)
{
static int bus_reset_count, short_packet_count, phy_packet_count;
static int tcode_count[16];
static struct timeval last_update;
struct timeval now;
int i;
if (length == 0)
bus_reset_count++;
else if (length < sizeof(struct phy_packet))
short_packet_count++;
else if (length == sizeof(struct phy_packet) && data[1] == ~data[2])
phy_packet_count++;
else {
struct link_packet *packet = (struct link_packet *) data;
tcode_count[packet->common.tcode]++;
}
gettimeofday(&now, NULL);
if (now.tv_sec <= last_update.tv_sec &&
now.tv_usec < last_update.tv_usec + 500000)
return;
last_update = now;
printf(CLEAR HIDE_CURSOR
" bus resets : %8d\n"
" short packets : %8d\n"
" phy packets : %8d\n",
bus_reset_count, short_packet_count, phy_packet_count);
for (i = 0; i < array_length(packet_info); i++)
if (packet_info[i].type != PACKET_RESERVED)
printf(" %-24s: %8d\n", packet_info[i].name, tcode_count[i]);
printf(SHOW_CURSOR "\n");
static int bus_reset_count, short_packet_count, phy_packet_count;
static int tcode_count[16];
static struct timeval last_update;
struct timeval now;
int i;
if (length == 0)
bus_reset_count++;
else if (length < sizeof(struct phy_packet))
short_packet_count++;
else if (length == sizeof(struct phy_packet) && data[1] == ~data[2])
phy_packet_count++;
else {
struct link_packet *packet = (struct link_packet *) data;
tcode_count[packet->common.tcode]++;
}
gettimeofday(&now, NULL);
if (now.tv_sec <= last_update.tv_sec &&
now.tv_usec < last_update.tv_usec + 500000)
return;
last_update = now;
printf(CLEAR HIDE_CURSOR
" bus resets : %8d\n"
" short packets : %8d\n"
" phy packets : %8d\n",
bus_reset_count, short_packet_count, phy_packet_count);
for (i = 0; i < array_length(packet_info); i++)
if (packet_info[i].type != PACKET_RESERVED)
printf(" %-24s: %8d\n", packet_info[i].name, tcode_count[i]);
printf(SHOW_CURSOR "\n");
}
struct termios saved_attributes;
void
reset_input_mode (void)
reset_input_mode(void)
{
tcsetattr (STDIN_FILENO, TCSANOW, &saved_attributes);
tcsetattr(STDIN_FILENO, TCSANOW, &saved_attributes);
}
void
set_input_mode (void)
set_input_mode(void)
{
struct termios tattr;
/* Make sure stdin is a terminal. */
if (!isatty(STDIN_FILENO)) {
fprintf(stderr, "Not a terminal.\n");
exit(EXIT_FAILURE);
}
/* Save the terminal attributes so we can restore them later. */
tcgetattr(STDIN_FILENO, &saved_attributes);
atexit(reset_input_mode);
/* Set the funny terminal modes. */
tcgetattr(STDIN_FILENO, &tattr);
tattr.c_lflag &= ~(ICANON|ECHO); /* Clear ICANON and ECHO. */
tattr.c_cc[VMIN] = 1;
tattr.c_cc[VTIME] = 0;
tcsetattr(STDIN_FILENO, TCSAFLUSH, &tattr);
struct termios tattr;
/* Make sure stdin is a terminal. */
if (!isatty(STDIN_FILENO)) {
fprintf(stderr, "Not a terminal.\n");
exit(EXIT_FAILURE);
}
/* Save the terminal attributes so we can restore them later. */
tcgetattr(STDIN_FILENO, &saved_attributes);
atexit(reset_input_mode);
/* Set the funny terminal modes. */
tcgetattr(STDIN_FILENO, &tattr);
tattr.c_lflag &= ~(ICANON|ECHO); /* Clear ICANON and ECHO. */
tattr.c_cc[VMIN] = 1;
tattr.c_cc[VTIME] = 0;
tcsetattr(STDIN_FILENO, TCSAFLUSH, &tattr);
}
int main(int argc, const char *argv[])
{
int fd = -1;
FILE *output = NULL, *input = NULL;
poptContext con;
int retval;
int view;
char c;
struct pollfd pollfds[2];
sys_sigint_handler = signal(SIGINT, sigint_handler);
con = poptGetContext(NULL, argc, argv, options, 0);
retval = poptGetNextOpt(con);
if (retval < -1) {
poptPrintUsage(con, stdout, 0);
return -1;
}
if (option_version) {
printf("dump tool for nosy sniffer, version %s\n", VERSION);
return 0;
}
if (__BYTE_ORDER != __LITTLE_ENDIAN)
fprintf(stderr, "warning: nosy has only been tested on little "
"endian machines\n");
if (option_input != NULL) {
input = fopen(option_input, "r");
if (input == NULL) {
fprintf(stderr, "Could not open %s, %m\n", option_input);
return -1;
}
}
else {
fd = open(option_nosy_device, O_RDWR);
if (fd < 0) {
fprintf(stderr, "Could not open %s, %m\n", option_nosy_device);
return -1;
}
set_input_mode();
}
if (strcmp(option_view, "transaction") == 0)
view = VIEW_TRANSACTION;
else if (strcmp(option_view, "stats") == 0)
view = VIEW_STATS;
else
view = VIEW_PACKET;
if (option_output) {
output = fopen(option_output, "w");
if (output == NULL) {
fprintf(stderr, "Could not open %s, %m\n", option_output);
return -1;
}
}
setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
if (1) {
uint32_t buf[128 * 1024];
uint32_t filter;
int length;
filter = ~0;
if (!option_iso)
filter &= ~(1 <<TCODE_ISO_DATA);
if (!option_cycle_start)
filter &= ~(1 << TCODE_CYCLE_START);
if (view == VIEW_STATS)
filter = ~(1 << TCODE_CYCLE_START);
ioctl(fd, NOSY_IOC_FILTER, filter);
ioctl(fd, NOSY_IOC_START);
pollfds[0].fd = fd;
pollfds[0].events = POLLIN;
pollfds[1].fd = STDIN_FILENO;
pollfds[1].events = POLLIN;
while (run) {
if (input != NULL) {
if (fread(&length, sizeof length, 1, input) != 1)
return 0;
fread(buf, 1, length, input);
}
else {
poll(pollfds, 2, -1);
if (pollfds[1].revents) {
read(STDIN_FILENO, &c, sizeof c);
switch (c) {
case 'q':
if (output != NULL)
fclose(output);
return 0;
}
int fd = -1;
FILE *output = NULL, *input = NULL;
poptContext con;
int retval;
int view;
char c;
struct pollfd pollfds[2];
sys_sigint_handler = signal(SIGINT, sigint_handler);
con = poptGetContext(NULL, argc, argv, options, 0);
retval = poptGetNextOpt(con);
if (retval < -1) {
poptPrintUsage(con, stdout, 0);
return -1;
}
if (option_version) {
printf("dump tool for nosy sniffer, version %s\n", VERSION);
return 0;
}
if (pollfds[0].revents)
length = read(fd, buf, sizeof buf);
if (__BYTE_ORDER != __LITTLE_ENDIAN)
fprintf(stderr, "warning: nosy has only been tested on little "
"endian machines\n");
if (option_input != NULL) {
input = fopen(option_input, "r");
if (input == NULL) {
fprintf(stderr, "Could not open %s, %m\n", option_input);
return -1;
}
} else {
fd = open(option_nosy_device, O_RDWR);
if (fd < 0) {
fprintf(stderr, "Could not open %s, %m\n", option_nosy_device);
return -1;
}
set_input_mode();
}
if (strcmp(option_view, "transaction") == 0)
view = VIEW_TRANSACTION;
else if (strcmp(option_view, "stats") == 0)
view = VIEW_STATS;
else
continue;
}
if (output != NULL) {
fwrite(&length, sizeof length, 1, output);
fwrite(buf, 1, length, output);
}
switch (view) {
case VIEW_TRANSACTION:
handle_packet(buf, length);
break;
case VIEW_PACKET:
print_packet(buf, length);
break;
case VIEW_STATS:
print_stats(buf, length);
break;
}
}
}
else
poptPrintUsage(con, stdout, 0);
if (output != NULL)
fclose(output);
close(fd);
poptFreeContext(con);
return 0;
view = VIEW_PACKET;
if (option_output) {
output = fopen(option_output, "w");
if (output == NULL) {
fprintf(stderr, "Could not open %s, %m\n", option_output);
return -1;
}
}
setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
if (1) {
uint32_t buf[128 * 1024];
uint32_t filter;
int length;
filter = ~0;
if (!option_iso)
filter &= ~(1 << TCODE_ISO_DATA);
if (!option_cycle_start)
filter &= ~(1 << TCODE_CYCLE_START);
if (view == VIEW_STATS)
filter = ~(1 << TCODE_CYCLE_START);
ioctl(fd, NOSY_IOC_FILTER, filter);
ioctl(fd, NOSY_IOC_START);
pollfds[0].fd = fd;
pollfds[0].events = POLLIN;
pollfds[1].fd = STDIN_FILENO;
pollfds[1].events = POLLIN;
while (run) {
if (input != NULL) {
if (fread(&length, sizeof length, 1, input) != 1)
return 0;
fread(buf, 1, length, input);
} else {
poll(pollfds, 2, -1);
if (pollfds[1].revents) {
read(STDIN_FILENO, &c, sizeof c);
switch (c) {
case 'q':
if (output != NULL)
fclose(output);
return 0;
}
}
if (pollfds[0].revents)
length = read(fd, buf, sizeof buf);
else
continue;
}
if (output != NULL) {
fwrite(&length, sizeof length, 1, output);
fwrite(buf, 1, length, output);
}
switch (view) {
case VIEW_TRANSACTION:
handle_packet(buf, length);
break;
case VIEW_PACKET:
print_packet(buf, length);
break;
case VIEW_STATS:
print_stats(buf, length);
break;
}
}
} else {
poptPrintUsage(con, stdout, 0);
}
if (output != NULL)
fclose(output);
close(fd);
poptFreeContext(con);
return 0;
}
tools/firewire/nosy-dump.h
View file @ 92c16f7e
......@@ -36,60 +36,60 @@
#include <stdint.h>
struct phy_packet {
uint32_t timestamp;
union {
struct {
uint32_t zero:24;
uint32_t phy_id:6;
uint32_t identifier:2;
} common, link_on;
struct {
uint32_t zero:16;
uint32_t gap_count:6;
uint32_t set_gap_count:1;
uint32_t set_root:1;
uint32_t root_id:6;
uint32_t identifier:2;
} phy_config;
struct {
uint32_t more_packets:1;
uint32_t initiated_reset:1;
uint32_t port2:2;
uint32_t port1:2;
uint32_t port0:2;
uint32_t power_class:3;
uint32_t contender:1;
uint32_t phy_delay:2;
uint32_t phy_speed:2;
uint32_t gap_count:6;
uint32_t link_active:1;
uint32_t extended:1;
uint32_t phy_id:6;
uint32_t identifier:2;
} self_id;
struct {
uint32_t more_packets:1;
uint32_t reserved1:1;
uint32_t porth:2;
uint32_t portg:2;
uint32_t portf:2;
uint32_t porte:2;
uint32_t portd:2;
uint32_t portc:2;
uint32_t portb:2;
uint32_t porta:2;
uint32_t reserved0:2;
uint32_t sequence:3;
uint32_t extended:1;
uint32_t phy_id:6;
uint32_t identifier:2;
} ext_self_id;
};
uint32_t inverted;
uint32_t ack;
uint32_t timestamp;
union {
struct {
uint32_t zero:24;
uint32_t phy_id:6;
uint32_t identifier:2;
} common, link_on;
struct {
uint32_t zero:16;
uint32_t gap_count:6;
uint32_t set_gap_count:1;
uint32_t set_root:1;
uint32_t root_id:6;
uint32_t identifier:2;
} phy_config;
struct {
uint32_t more_packets:1;
uint32_t initiated_reset:1;
uint32_t port2:2;
uint32_t port1:2;
uint32_t port0:2;
uint32_t power_class:3;
uint32_t contender:1;
uint32_t phy_delay:2;
uint32_t phy_speed:2;
uint32_t gap_count:6;
uint32_t link_active:1;
uint32_t extended:1;
uint32_t phy_id:6;
uint32_t identifier:2;
} self_id;
struct {
uint32_t more_packets:1;
uint32_t reserved1:1;
uint32_t porth:2;
uint32_t portg:2;
uint32_t portf:2;
uint32_t porte:2;
uint32_t portd:2;
uint32_t portc:2;
uint32_t portb:2;
uint32_t porta:2;
uint32_t reserved0:2;
uint32_t sequence:3;
uint32_t extended:1;
uint32_t phy_id:6;
uint32_t identifier:2;
} ext_self_id;
};
uint32_t inverted;
uint32_t ack;
};
#define PHY_PACKET_CONFIGURATION 0x00
......@@ -97,98 +97,98 @@ struct phy_packet {
#define PHY_PACKET_SELF_ID 0x02
struct link_packet {
uint32_t timestamp;
union {
struct {
uint32_t priority:4;
uint32_t tcode:4;
uint32_t rt:2;
uint32_t tlabel:6;
uint32_t destination:16;
uint32_t offset_high:16;
uint32_t source:16;
uint32_t offset_low;
} common;
struct {
uint32_t common[3];
uint32_t crc;
} read_quadlet;
struct {
uint32_t common[3];
uint32_t data;
uint32_t crc;
} read_quadlet_response;
struct {
uint32_t common[3];
uint32_t extended_tcode:16;
uint32_t data_length:16;
uint32_t crc;
} read_block;
struct {
uint32_t common[3];
uint32_t extended_tcode:16;
uint32_t data_length:16;
uint32_t crc;
uint32_t data[0];
/* crc and ack follows. */
} read_block_response;
struct {
uint32_t common[3];
uint32_t data;
uint32_t crc;
} write_quadlet;
struct {
uint32_t common[3];
uint32_t extended_tcode:16;
uint32_t data_length:16;
uint32_t crc;
uint32_t data[0];
/* crc and ack follows. */
} write_block;
struct {
uint32_t common[3];
uint32_t crc;
} write_response;
struct {
uint32_t common[3];
uint32_t data;
uint32_t crc;
} cycle_start;
struct {
uint32_t sy:4;
uint32_t tcode:4;
uint32_t channel:6;
uint32_t tag:2;
uint32_t data_length:16;
uint32_t crc;
} iso_data;
};
uint32_t timestamp;
union {
struct {
uint32_t priority:4;
uint32_t tcode:4;
uint32_t rt:2;
uint32_t tlabel:6;
uint32_t destination:16;
uint32_t offset_high:16;
uint32_t source:16;
uint32_t offset_low;
} common;
struct {
uint32_t common[3];
uint32_t crc;
} read_quadlet;
struct {
uint32_t common[3];
uint32_t data;
uint32_t crc;
} read_quadlet_response;
struct {
uint32_t common[3];
uint32_t extended_tcode:16;
uint32_t data_length:16;
uint32_t crc;
} read_block;
struct {
uint32_t common[3];
uint32_t extended_tcode:16;
uint32_t data_length:16;
uint32_t crc;
uint32_t data[0];
/* crc and ack follows. */
} read_block_response;
struct {
uint32_t common[3];
uint32_t data;
uint32_t crc;
} write_quadlet;
struct {
uint32_t common[3];
uint32_t extended_tcode:16;
uint32_t data_length:16;
uint32_t crc;
uint32_t data[0];
/* crc and ack follows. */
} write_block;
struct {
uint32_t common[3];
uint32_t crc;
} write_response;
struct {
uint32_t common[3];
uint32_t data;
uint32_t crc;
} cycle_start;
struct {
uint32_t sy:4;
uint32_t tcode:4;
uint32_t channel:6;
uint32_t tag:2;
uint32_t data_length:16;
uint32_t crc;
} iso_data;
};
};
struct subaction {
uint32_t ack;
size_t length;
struct list link;
struct link_packet packet;
uint32_t ack;
size_t length;
struct list link;
struct link_packet packet;
};
struct link_transaction {
int request_node, response_node, tlabel;
struct subaction *request, *response;
struct list request_list, response_list;
struct list link;
int request_node, response_node, tlabel;
struct subaction *request, *response;
struct list request_list, response_list;
struct list link;
};
int decode_fcp(struct link_transaction *t);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7