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2024-09-09 08:52:07 +00:00
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19
kernel/tools/firewire/Makefile Normal file
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prefix = /usr
nosy-dump-version = 0.4
CC = gcc
all : nosy-dump
nosy-dump : CFLAGS = -Wall -O2 -g
nosy-dump : CPPFLAGS = -DVERSION=\"$(nosy-dump-version)\" -I../../drivers/firewire
nosy-dump : LDFLAGS = -g
nosy-dump : LDLIBS = -lpopt
nosy-dump : nosy-dump.o decode-fcp.o
clean :
rm -rf *.o nosy-dump
install :
install nosy-dump $(prefix)/bin/nosy-dump

213
kernel/tools/firewire/decode-fcp.c Normal file
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#include <linux/firewire-constants.h>
#include <stdio.h>
#include <stdlib.h>
#include "list.h"
#include "nosy-dump.h"
#define CSR_FCP_COMMAND 0xfffff0000b00ull
#define CSR_FCP_RESPONSE 0xfffff0000d00ull
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[] = {
[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;
};
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;
};
struct avc_opcode_info {
const char *name;
struct avc_field fields[8];
};
struct avc_enum power_field_names[] = {
{ 0x70, "on" },
{ 0x60, "off" },
{ }
};
static const struct avc_opcode_info opcode_info[256] = {
/* 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;
};
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");
}
int
decode_fcp(struct link_transaction *t)
{
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_REQUEST)
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 0;
}

62
kernel/tools/firewire/list.h Normal file
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struct list {
struct list *next, *prev;
};
static inline void
list_init(struct list *list)
{
list->next = list;
list->prev = list;
}
static inline int
list_empty(struct list *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;
}
static inline void
list_append(struct list *list, struct 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);
}
static inline void
list_remove(struct list *link)
{
link->prev->next = link->next;
link->next->prev = link->prev;
}
#define list_entry(link, type, member) \
((type *)((char *)(link)-(unsigned long)(&((type *)0)->member)))
#define list_head(list, type, member) \
list_entry((list)->next, type, member)
#define list_tail(list, type, member) \
list_entry((list)->prev, type, member)
#define list_next(elm, member) \
list_entry((elm)->member.next, typeof(*elm), member)
#define list_for_each_entry(pos, list, member) \
for (pos = list_head(list, typeof(*pos), member); \
&pos->member != (list); \
pos = list_next(pos, member))

1031
kernel/tools/firewire/nosy-dump.c Normal file
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173
kernel/tools/firewire/nosy-dump.h Normal file
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#ifndef __nosy_dump_h__
#define __nosy_dump_h__
#define array_length(array) (sizeof(array) / sizeof(array[0]))
#define ACK_NO_ACK 0x0
#define ACK_DONE(a) ((a >> 2) == 0)
#define ACK_BUSY(a) ((a >> 2) == 1)
#define ACK_ERROR(a) ((a >> 2) == 3)
#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;
};
#define TCODE_PHY_PACKET 0x10
#define PHY_PACKET_CONFIGURATION 0x00
#define PHY_PACKET_LINK_ON 0x01
#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;
};
};
struct subaction {
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 decode_fcp(struct link_transaction *t);
#endif /* __nosy_dump_h__ */