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-rw-r--r--extras/deprecated/vlib/i2c.c231
-rw-r--r--extras/deprecated/vlib/i2c.h67
-rw-r--r--extras/deprecated/vlib/unix/cj.c284
-rw-r--r--extras/deprecated/vlib/unix/cj.h79
4 files changed, 661 insertions, 0 deletions
diff --git a/extras/deprecated/vlib/i2c.c b/extras/deprecated/vlib/i2c.c
new file mode 100644
index 00000000000..97f5bb21cc7
--- /dev/null
+++ b/extras/deprecated/vlib/i2c.c
@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vlib/vlib.h>
+#include <vlib/i2c.h>
+
+static inline void
+i2c_delay (i2c_bus_t * b, f64 timeout)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_time_wait (vm, timeout);
+}
+
+static void
+i2c_wait_for_scl (i2c_bus_t * b)
+{
+ f64 t = 0;
+
+ while (t < b->hold_time)
+ {
+ int sda, scl;
+ i2c_delay (b, b->rise_fall_time);
+ b->get_bits (b, &scl, &sda);
+
+ if (scl)
+ return;
+
+ t += b->rise_fall_time;
+ }
+ b->timeout = 1;
+}
+
+static void
+i2c_start (i2c_bus_t * b)
+{
+ b->timeout = 0;
+
+ b->put_bits (b, 1, 1);
+ i2c_wait_for_scl (b);
+
+ if (vlib_i2c_bus_timed_out (b))
+ return;
+
+ b->put_bits (b, 1, 0);
+ i2c_delay (b, b->hold_time);
+ b->put_bits (b, 0, 0);
+ i2c_delay (b, b->hold_time);
+}
+
+static void
+i2c_stop (i2c_bus_t * b)
+{
+ b->put_bits (b, 0, 0);
+ i2c_delay (b, b->rise_fall_time);
+
+ b->put_bits (b, 1, 0);
+ i2c_delay (b, b->hold_time);
+
+ b->put_bits (b, 1, 1);
+ i2c_delay (b, b->hold_time);
+}
+
+static void
+i2c_write_bit (i2c_bus_t * b, int sda)
+{
+ b->put_bits (b, 0, sda);
+ i2c_delay (b, b->rise_fall_time);
+
+ b->put_bits (b, 1, sda);
+ i2c_wait_for_scl (b);
+ i2c_delay (b, b->hold_time);
+
+ b->put_bits (b, 0, sda);
+ i2c_delay (b, b->rise_fall_time);
+}
+
+static void
+i2c_read_bit (i2c_bus_t * b, int *sda)
+{
+ int scl;
+
+ b->put_bits (b, 1, 1);
+ i2c_wait_for_scl (b);
+ i2c_delay (b, b->hold_time);
+
+ b->get_bits (b, &scl, sda);
+
+ b->put_bits (b, 0, 1);
+ i2c_delay (b, b->rise_fall_time);
+}
+
+static void
+i2c_write_byte (i2c_bus_t * b, u8 data)
+{
+ int i, sda;
+
+ for (i = 7; i >= 0; i--)
+ {
+ i2c_write_bit (b, (data >> i) & 1);
+ if (b->timeout)
+ return;
+ }
+
+ b->put_bits (b, 0, 1);
+ i2c_delay (b, b->rise_fall_time);
+
+ i2c_read_bit (b, &sda);
+
+ if (sda)
+ b->timeout = 1;
+}
+
+
+static void
+i2c_read_byte (i2c_bus_t * b, u8 * data, int ack)
+{
+ int i, sda;
+
+ *data = 0;
+
+ b->put_bits (b, 0, 1);
+ i2c_delay (b, b->rise_fall_time);
+
+ for (i = 7; i >= 0; i--)
+ {
+ i2c_read_bit (b, &sda);
+ if (b->timeout)
+ return;
+
+ *data |= (sda != 0) << i;
+ }
+
+ i2c_write_bit (b, ack == 0);
+}
+
+
+void
+vlib_i2c_init (i2c_bus_t * b)
+{
+ f64 tick;
+ if (!b->clock)
+ b->clock = 400000;
+
+ tick = 1.0 / b->clock;
+
+ /* Spend 40% of time in low and high states */
+ if (!b->hold_time)
+ b->hold_time = 0.4 * tick;
+
+ /* Spend 10% of time waiting for rise and fall */
+ if (!b->rise_fall_time)
+ b->rise_fall_time = 0.1 * tick;
+}
+
+void
+vlib_i2c_xfer (i2c_bus_t * bus, i2c_msg_t * msgs)
+{
+ i2c_msg_t *msg;
+ int i;
+
+ vec_foreach (msg, msgs)
+ {
+ i2c_start (bus);
+ i2c_write_byte (bus,
+ (msg->addr << 1) + (msg->flags == I2C_MSG_FLAG_READ));
+
+ if (msg->flags & I2C_MSG_FLAG_READ)
+ for (i = 0; i < msg->len; i++)
+ {
+ i2c_read_byte (bus, &msg->buffer[i], /* ack */ i + 1 != msg->len);
+ if (bus->timeout)
+ goto done;
+ }
+
+ else
+ for (i = 0; i < msg->len; i++)
+ {
+ i2c_write_byte (bus, msg->buffer[i]);
+ if (bus->timeout)
+ goto done;
+ }
+ }
+
+done:
+ i2c_stop (bus);
+}
+
+void
+vlib_i2c_read_eeprom (i2c_bus_t * bus, u8 i2c_addr, u16 start_addr,
+ u16 length, u8 * data)
+{
+ i2c_msg_t *msg = 0;
+ u8 start_address[1];
+
+ vec_validate (msg, 1);
+
+ start_address[0] = start_addr;
+ msg[0].addr = i2c_addr;
+ msg[0].flags = I2C_MSG_FLAG_WRITE;
+ msg[0].buffer = (u8 *) & start_address;
+ msg[0].len = 1;
+
+ msg[1].addr = i2c_addr;
+ msg[1].flags = I2C_MSG_FLAG_READ;
+ msg[1].buffer = data;
+ msg[1].len = length;
+
+ vlib_i2c_xfer (bus, msg);
+
+ vec_free (msg);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/extras/deprecated/vlib/i2c.h b/extras/deprecated/vlib/i2c.h
new file mode 100644
index 00000000000..b79bdc75b81
--- /dev/null
+++ b/extras/deprecated/vlib/i2c.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_vlib_i2c_h
+#define included_vlib_i2c_h
+
+#include <vppinfra/types.h>
+
+
+#define I2C_MSG_FLAG_WRITE 0
+#define I2C_MSG_FLAG_READ 1
+
+typedef struct
+{
+ u8 addr;
+ u8 flags;
+ u16 len;
+ u8 *buffer;
+} i2c_msg_t;
+
+typedef struct i2c_bus_t
+{
+ void (*put_bits) (struct i2c_bus_t * b, int scl, int sda);
+ void (*get_bits) (struct i2c_bus_t * b, int *scl, int *sda);
+
+ int timeout;
+ u32 clock;
+ f64 hold_time;
+ f64 rise_fall_time;
+
+ /* Private data */
+ uword private_data;
+
+} i2c_bus_t;
+
+void vlib_i2c_init (i2c_bus_t * bus);
+void vlib_i2c_xfer (i2c_bus_t * bus, i2c_msg_t * msgs);
+void vlib_i2c_read_eeprom (i2c_bus_t * bus, u8 i2c_addr, u16 start_addr,
+ u16 length, u8 * data);
+
+static inline int
+vlib_i2c_bus_timed_out (i2c_bus_t * bus)
+{
+ return bus->timeout;
+}
+
+#endif /* included_vlib_i2c_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/extras/deprecated/vlib/unix/cj.c b/extras/deprecated/vlib/unix/cj.c
new file mode 100644
index 00000000000..e163e1ae017
--- /dev/null
+++ b/extras/deprecated/vlib/unix/cj.c
@@ -0,0 +1,284 @@
+/*
+ *------------------------------------------------------------------
+ * cj.c
+ *
+ * Copyright (c) 2013 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+/**
+ * @file
+ * Circular journal diagnostic mechanism.
+ *
+ * The @c cj thread-safe circular log buffer scheme is occasionally useful
+ * when chasing bugs. Calls to it should not be checked in.
+ */
+/*? %%clicmd:group_label Circular Journal %% ?*/
+/*? %%syscfg:group_label Circular Journal %% ?*/
+
+#include <stdio.h>
+#include <vlib/vlib.h>
+
+#include <vlib/unix/cj.h>
+
+cj_main_t cj_main;
+
+void
+cj_log (u32 type, void *data0, void *data1)
+{
+ u64 new_tail;
+ cj_main_t *cjm = &cj_main;
+ cj_record_t *r;
+
+ if (cjm->enable == 0)
+ return;
+
+ new_tail = clib_atomic_add_fetch (&cjm->tail, 1);
+
+ r = (cj_record_t *) & (cjm->records[new_tail & (cjm->num_records - 1)]);
+ r->time = vlib_time_now (cjm->vlib_main);
+ r->thread_index = vlib_get_thread_index ();
+ r->type = type;
+ r->data[0] = pointer_to_uword (data0);
+ r->data[1] = pointer_to_uword (data1);
+}
+
+void
+cj_stop (void)
+{
+ cj_main_t *cjm = &cj_main;
+
+ cjm->enable = 0;
+}
+
+
+clib_error_t *
+cj_init (vlib_main_t * vm)
+{
+ cj_main_t *cjm = &cj_main;
+
+ cjm->vlib_main = vm;
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (cj_init);
+
+static clib_error_t *
+cj_config (vlib_main_t * vm, unformat_input_t * input)
+{
+ cj_main_t *cjm = &cj_main;
+ int matched = 0;
+ int enable = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "records %d", &cjm->num_records))
+ matched = 1;
+ else if (unformat (input, "on"))
+ enable = 1;
+ else
+ return clib_error_return (0, "cj_config: unknown input '%U'",
+ format_unformat_error, input);
+ }
+
+ if (matched == 0)
+ return 0;
+
+ cjm->num_records = max_pow2 (cjm->num_records);
+ vec_validate (cjm->records, cjm->num_records - 1);
+ clib_memset (cjm->records, 0xff, cjm->num_records * sizeof (cj_record_t));
+ cjm->tail = ~0;
+ cjm->enable = enable;
+
+ return 0;
+}
+
+/*?
+ * Configure the circular journal diagnostic mechanism. This is only useful
+ * if you, the developer, have written code to make use of the circular
+ * journal.
+ *
+ * @cfgcmd{records, &lt;number&gt;}
+ * Configure the number of records to allocate for the circular journal.
+ *
+ * @cfgcmd{on}
+ * Enable the collection of records in the circular journal at the
+ * earliest opportunity.
+?*/
+VLIB_CONFIG_FUNCTION (cj_config, "cj");
+
+void
+cj_enable_disable (int is_enable)
+{
+ cj_main_t *cjm = &cj_main;
+
+ if (cjm->num_records)
+ cjm->enable = is_enable;
+ else
+ vlib_cli_output (cjm->vlib_main, "CJ not configured...");
+}
+
+static inline void
+cj_dump_one_record (cj_record_t * r)
+{
+ fprintf (stderr, "[%d]: %10.6f T%02d %llx %llx\n",
+ r->thread_index, r->time, r->type,
+ (long long unsigned int) r->data[0],
+ (long long unsigned int) r->data[1]);
+}
+
+static void
+cj_dump_internal (u8 filter0_enable, u64 filter0,
+ u8 filter1_enable, u64 filter1)
+{
+ cj_main_t *cjm = &cj_main;
+ cj_record_t *r;
+ u32 i, index;
+
+ if (cjm->num_records == 0)
+ {
+ fprintf (stderr, "CJ not configured...\n");
+ return;
+ }
+
+ if (cjm->tail == (u64) ~ 0)
+ {
+ fprintf (stderr, "No data collected...\n");
+ return;
+ }
+
+ /* Has the trace wrapped? */
+ index = (cjm->tail + 1) & (cjm->num_records - 1);
+ r = &(cjm->records[index]);
+
+ if (r->thread_index != (u32) ~ 0)
+ {
+ /* Yes, dump from tail + 1 to the end */
+ for (i = index; i < cjm->num_records; i++)
+ {
+ if (filter0_enable && (r->data[0] != filter0))
+ goto skip;
+ if (filter1_enable && (r->data[1] != filter1))
+ goto skip;
+ cj_dump_one_record (r);
+ skip:
+ r++;
+ }
+ }
+ /* dump from the beginning through the final tail */
+ r = cjm->records;
+ for (i = 0; i < index; i++)
+ {
+ if (filter0_enable && (r->data[0] != filter0))
+ goto skip2;
+ if (filter1_enable && (r->data[1] != filter1))
+ goto skip2;
+ cj_dump_one_record (r);
+ skip2:
+ r++;
+ }
+}
+
+void
+cj_dump (void)
+{
+ cj_dump_internal (0, 0, 0, 0);
+}
+
+void
+cj_dump_filter_data0 (u64 filter0)
+{
+ cj_dump_internal (1 /* enable f0 */ , filter0, 0, 0);
+}
+
+void
+cj_dump_filter_data1 (u64 filter1)
+{
+ cj_dump_internal (0, 0, 1 /* enable f1 */ , filter1);
+}
+
+void
+cj_dump_filter_data12 (u64 filter0, u64 filter1)
+{
+ cj_dump_internal (1, filter0, 1, filter1);
+}
+
+static clib_error_t *
+cj_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ int is_enable = -1;
+ int is_dump = -1;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = NULL;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return clib_error_return (0, "expected enable | disable | dump");
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "enable") || unformat (line_input, "on"))
+ is_enable = 1;
+ else if (unformat (line_input, "disable")
+ || unformat (line_input, "off"))
+ is_enable = 0;
+ else if (unformat (line_input, "dump"))
+ is_dump = 1;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ if (is_enable >= 0)
+ cj_enable_disable (is_enable);
+
+ if (is_dump > 0)
+ cj_dump ();
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+/*?
+ * Enable, disable the collection of diagnostic data into a
+ * circular journal or dump the circular journal diagnostic data.
+ * This is only useful if you, the developer, have written code to make
+ * use of the circular journal.
+ *
+ * When dumping the data it is formatted and sent to @c stderr of the
+ * VPP process; when running VPP in <code>unix interactive</code> mode
+ * this is typically the same place as the Debug CLI.
+?*/
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cj_command,static) = {
+ .path = "cj",
+ .short_help = "cj <enable | disable | dump>",
+ .function = cj_command_fn,
+};
+/* *INDENT-ON* */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/extras/deprecated/vlib/unix/cj.h b/extras/deprecated/vlib/unix/cj.h
new file mode 100644
index 00000000000..d0a1d46ee99
--- /dev/null
+++ b/extras/deprecated/vlib/unix/cj.h
@@ -0,0 +1,79 @@
+/*
+ *------------------------------------------------------------------
+ * cj.h
+ *
+ * Copyright (c) 2013 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#ifndef __included_cj_h__
+#define __included_cj_h__
+
+typedef struct
+{
+ f64 time;
+ u32 thread_index;
+ u32 type;
+ u64 data[2];
+} cj_record_t;
+
+typedef struct
+{
+ volatile u64 tail;
+ cj_record_t *records;
+ u32 num_records;
+ volatile u32 enable;
+
+ vlib_main_t *vlib_main;
+} cj_main_t;
+
+void cj_log (u32 type, void *data0, void *data1);
+
+/*
+ * Supply in application main, so we can log from any library...
+ * Declare a weak reference in the library, off you go.
+ */
+
+#define DECLARE_CJ_GLOBAL_LOG \
+void cj_global_log (unsigned type, void * data0, void * data1) \
+ __attribute__ ((weak)); \
+ \
+unsigned __cj_type; \
+void * __cj_data0; \
+void * __cj_data1; \
+ \
+void \
+cj_global_log (unsigned type, void * data0, void * data1) \
+{ \
+ __cj_type = type; \
+ __cj_data0 = data0; \
+ __cj_data1 = data1; \
+}
+
+#define CJ_GLOBAL_LOG_PROTOTYPE
+void
+cj_global_log (unsigned type, void *data0, void *data1)
+__attribute__ ((weak));
+
+void cj_stop (void);
+
+#endif /* __included_cj_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */