summaryrefslogtreecommitdiffstats
path: root/tools/firewire/nosy-dump.c
diff options
context:
space:
mode:
authorStefan Richter <stefanr@s5r6.in-berlin.de>2010-07-22 11:58:05 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2010-07-27 11:04:12 +0200
commit92c16f7e9c65f9a271c6bd5020279b3e37989672 (patch)
treef9e671c2ba4bcc51c1e27072e6b6256620af9538 /tools/firewire/nosy-dump.c
parenta8461c0f3bfffe752fc62ce3960eb827463e90b5 (diff)
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: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'tools/firewire/nosy-dump.c')
-rw-r--r--tools/firewire/nosy-dump.c1663
1 files changed, 819 insertions, 844 deletions
diff --git a/tools/firewire/nosy-dump.c b/tools/firewire/nosy-dump.c
index 1d4dd5439d43..3d7e1a6dfe93 100644
--- a/tools/firewire/nosy-dump.c
+++ b/tools/firewire/nosy-dump.c
@@ -1,5 +1,3 @@
-/* -*- 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++)
+ prin