[U-Boot] [PATCH] tpm: Remove the LPC TPM driver
Vadim Bendebury
vbendeb at chromium.org
Sun Sep 30 20:07:40 CEST 2012
On Sun, Sep 30, 2012 at 10:36 AM, Marek Vasut <marex at denx.de> wrote:
> The driver is not used anywhere. It is a dead code and it seems to
> be falling apart slowly due to bitrot. Remove this driver.
>
>
This driver is used in several chromeOS devices which have not quite made
it upstream yet. Why does it seem falling apart?
cheers,
/vb
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Vadim Bendebury <vbendeb at chromium.org>
> Cc: Tom Rini <trini at ti.com>
> ---
> Makefile | 1 -
> README | 10 -
> drivers/tpm/Makefile | 43 ----
> drivers/tpm/generic_lpc_tpm.c | 495
> -----------------------------------------
> include/tpm.h | 71 ------
> 5 files changed, 620 deletions(-)
> delete mode 100644 drivers/tpm/Makefile
> delete mode 100644 drivers/tpm/generic_lpc_tpm.c
> delete mode 100644 include/tpm.h
>
> diff --git a/Makefile b/Makefile
> index a40d4cc..1325be0 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -293,7 +293,6 @@ LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
> endif
> LIBS-y += drivers/rtc/librtc.o
> LIBS-y += drivers/serial/libserial.o
> -LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
> LIBS-y += drivers/twserial/libtws.o
> LIBS-y += drivers/usb/eth/libusb_eth.o
> LIBS-y += drivers/usb/gadget/libusb_gadget.o
> diff --git a/README b/README
> index a745d0b..c4ad6d8 100644
> --- a/README
> +++ b/README
> @@ -1149,16 +1149,6 @@ The following options need to be configured:
> CONFIG_SH_ETHER_CACHE_WRITEBACK
> If this option is set, the driver enables cache
> flush.
>
> -- TPM Support:
> - CONFIG_GENERIC_LPC_TPM
> - Support for generic parallel port TPM devices. Only one
> device
> - per system is supported at this time.
> -
> - CONFIG_TPM_TIS_BASE_ADDRESS
> - Base address where the generic TPM device is mapped
> - to. Contemporary x86 systems usually map it at
> - 0xfed40000.
> -
> - USB Support:
> At the moment only the UHCI host controller is
> supported (PIP405, MIP405, MPC5200); define
> diff --git a/drivers/tpm/Makefile b/drivers/tpm/Makefile
> deleted file mode 100644
> index be11c8b..0000000
> --- a/drivers/tpm/Makefile
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
> -#
> -# See file CREDITS for list of people who contributed to this
> -# project.
> -#
> -# This program is free software; you can redistribute it and/or
> -# modify it under the terms of the GNU General Public License as
> -# published by the Free Software Foundation; either version 2 of
> -# the License, or (at your option) any later version.
> -#
> -# This program is distributed in the hope that it will be useful,
> -# but WITHOUT ANY WARRANTY; without even the implied warranty of
> -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> -# GNU General Public License for more details.
> -#
> -# You should have received a copy of the GNU General Public License
> -# along with this program; if not, write to the Free Software
> -# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> -# MA 02111-1307 USA
> -#
> -
> -include $(TOPDIR)/config.mk
> -
> -LIB := $(obj)libtpm.o
> -
> -COBJS-$(CONFIG_GENERIC_LPC_TPM) = generic_lpc_tpm.o
> -
> -COBJS := $(COBJS-y)
> -SRCS := $(COBJS:.o=.c)
> -OBJS := $(addprefix $(obj),$(COBJS))
> -
> -all: $(LIB)
> -
> -$(LIB): $(obj).depend $(OBJS)
> - $(call cmd_link_o_target, $(OBJS))
> -
> -#########################################################################
> -
> -include $(SRCTREE)/rules.mk
> -
> -sinclude $(obj).depend
> -
> -#########################################################################
> diff --git a/drivers/tpm/generic_lpc_tpm.c b/drivers/tpm/generic_lpc_tpm.c
> deleted file mode 100644
> index 6c494eb..0000000
> --- a/drivers/tpm/generic_lpc_tpm.c
> +++ /dev/null
> @@ -1,495 +0,0 @@
> -/*
> - * Copyright (c) 2011 The Chromium OS Authors.
> - *
> - * See file CREDITS for list of people who contributed to this
> - * project.
> - *
> - * This program is free software; you can redistribute it and/or
> - * modify it under the terms of the GNU General Public License as
> - * published by the Free Software Foundation; either version 2 of
> - * the License, or (at your option) any later version.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - *
> - * You should have received a copy of the GNU General Public License
> - * along with this program; if not, write to the Free Software
> - * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> - * MA 02111-1307 USA
> - */
> -
> -/*
> - * The code in this file is based on the article "Writing a TPM Device
> Driver"
> - * published on http://ptgmedia.pearsoncmg.com.
> - *
> - * One principal difference is that in the simplest config the other than
> 0
> - * TPM localities do not get mapped by some devices (for instance, by
> Infineon
> - * slb9635), so this driver provides access to locality 0 only.
> - */
> -
> -#include <common.h>
> -#include <asm/io.h>
> -#include <tpm.h>
> -
> -#define PREFIX "lpc_tpm: "
> -
> -struct tpm_locality {
> - u32 access;
> - u8 padding0[4];
> - u32 int_enable;
> - u8 vector;
> - u8 padding1[3];
> - u32 int_status;
> - u32 int_capability;
> - u32 tpm_status;
> - u8 padding2[8];
> - u8 data;
> - u8 padding3[3803];
> - u32 did_vid;
> - u8 rid;
> - u8 padding4[251];
> -};
> -
> -/*
> - * This pointer refers to the TPM chip, 5 of its localities are mapped as
> an
> - * array.
> - */
> -#define TPM_TOTAL_LOCALITIES 5
> -static struct tpm_locality *lpc_tpm_dev =
> - (struct tpm_locality *)CONFIG_TPM_TIS_BASE_ADDRESS;
> -
> -/* Some registers' bit field definitions */
> -#define TIS_STS_VALID (1 << 7) /* 0x80 */
> -#define TIS_STS_COMMAND_READY (1 << 6) /* 0x40 */
> -#define TIS_STS_TPM_GO (1 << 5) /* 0x20 */
> -#define TIS_STS_DATA_AVAILABLE (1 << 4) /* 0x10 */
> -#define TIS_STS_EXPECT (1 << 3) /* 0x08 */
> -#define TIS_STS_RESPONSE_RETRY (1 << 1) /* 0x02 */
> -
> -#define TIS_ACCESS_TPM_REG_VALID_STS (1 << 7) /* 0x80 */
> -#define TIS_ACCESS_ACTIVE_LOCALITY (1 << 5) /* 0x20 */
> -#define TIS_ACCESS_BEEN_SEIZED (1 << 4) /* 0x10 */
> -#define TIS_ACCESS_SEIZE (1 << 3) /* 0x08 */
> -#define TIS_ACCESS_PENDING_REQUEST (1 << 2) /* 0x04 */
> -#define TIS_ACCESS_REQUEST_USE (1 << 1) /* 0x02 */
> -#define TIS_ACCESS_TPM_ESTABLISHMENT (1 << 0) /* 0x01 */
> -
> -#define TIS_STS_BURST_COUNT_MASK (0xffff)
> -#define TIS_STS_BURST_COUNT_SHIFT (8)
> -
> -/*
> - * Error value returned if a tpm register does not enter the expected
> state
> - * after continuous polling. No actual TPM register reading ever returns
> -1,
> - * so this value is a safe error indication to be mixed with possible
> status
> - * register values.
> - */
> -#define TPM_TIMEOUT_ERR (-1)
> -
> -/* Error value returned on various TPM driver errors. */
> -#define TPM_DRIVER_ERR (1)
> -
> - /* 1 second is plenty for anything TPM does. */
> -#define MAX_DELAY_US (1000 * 1000)
> -
> -/* Retrieve burst count value out of the status register contents. */
> -static u16 burst_count(u32 status)
> -{
> - return (status >> TIS_STS_BURST_COUNT_SHIFT) &
> TIS_STS_BURST_COUNT_MASK;
> -}
> -
> -/*
> - * Structures defined below allow creating descriptions of TPM
> vendor/device
> - * ID information for run time discovery. The only device the system knows
> - * about at this time is Infineon slb9635.
> - */
> -struct device_name {
> - u16 dev_id;
> - const char * const dev_name;
> -};
> -
> -struct vendor_name {
> - u16 vendor_id;
> - const char *vendor_name;
> - const struct device_name *dev_names;
> -};
> -
> -static const struct device_name infineon_devices[] = {
> - {0xb, "SLB9635 TT 1.2"},
> - {0}
> -};
> -
> -static const struct vendor_name vendor_names[] = {
> - {0x15d1, "Infineon", infineon_devices},
> -};
> -
> -/*
> - * Cached vendor/device ID pair to indicate that the device has been
> already
> - * discovered.
> - */
> -static u32 vendor_dev_id;
> -
> -/* TPM access wrappers to support tracing */
> -static u8 tpm_read_byte(const u8 *ptr)
> -{
> - u8 ret = readb(ptr);
> - debug(PREFIX "Read reg 0x%4.4x returns 0x%2.2x\n",
> - (u32)ptr - (u32)lpc_tpm_dev, ret);
> - return ret;
> -}
> -
> -static u32 tpm_read_word(const u32 *ptr)
> -{
> - u32 ret = readl(ptr);
> - debug(PREFIX "Read reg 0x%4.4x returns 0x%8.8x\n",
> - (u32)ptr - (u32)lpc_tpm_dev, ret);
> - return ret;
> -}
> -
> -static void tpm_write_byte(u8 value, u8 *ptr)
> -{
> - debug(PREFIX "Write reg 0x%4.4x with 0x%2.2x\n",
> - (u32)ptr - (u32)lpc_tpm_dev, value);
> - writeb(value, ptr);
> -}
> -
> -static void tpm_write_word(u32 value, u32 *ptr)
> -{
> - debug(PREFIX "Write reg 0x%4.4x with 0x%8.8x\n",
> - (u32)ptr - (u32)lpc_tpm_dev, value);
> - writel(value, ptr);
> -}
> -
> -/*
> - * tis_wait_reg()
> - *
> - * Wait for at least a second for a register to change its state to match
> the
> - * expected state. Normally the transition happens within microseconds.
> - *
> - * @reg - pointer to the TPM register
> - * @mask - bitmask for the bitfield(s) to watch
> - * @expected - value the field(s) are supposed to be set to
> - *
> - * Returns the register contents in case the expected value was found in
> the
> - * appropriate register bits, or TPM_TIMEOUT_ERR on timeout.
> - */
> -static u32 tis_wait_reg(u32 *reg, u8 mask, u8 expected)
> -{
> - u32 time_us = MAX_DELAY_US;
> -
> - while (time_us > 0) {
> - u32 value = tpm_read_word(reg);
> - if ((value & mask) == expected)
> - return value;
> - udelay(1); /* 1 us */
> - time_us--;
> - }
> - return TPM_TIMEOUT_ERR;
> -}
> -
> -/*
> - * Probe the TPM device and try determining its manufacturer/device name.
> - *
> - * Returns 0 on success (the device is found or was found during an
> earlier
> - * invocation) or TPM_DRIVER_ERR if the device is not found.
> - */
> -int tis_init(void)
> -{
> - u32 didvid = tpm_read_word(&lpc_tpm_dev[0].did_vid);
> - int i;
> - const char *device_name = "unknown";
> - const char *vendor_name = device_name;
> - u16 vid, did;
> -
> - if (vendor_dev_id)
> - return 0; /* Already probed. */
> -
> - if (!didvid || (didvid == 0xffffffff)) {
> - printf("%s: No TPM device found\n", __func__);
> - return TPM_DRIVER_ERR;
> - }
> -
> - vendor_dev_id = didvid;
> -
> - vid = didvid & 0xffff;
> - did = (didvid >> 16) & 0xffff;
> - for (i = 0; i < ARRAY_SIZE(vendor_names); i++) {
> - int j = 0;
> - u16 known_did;
> -
> - if (vid == vendor_names[i].vendor_id)
> - vendor_name = vendor_names[i].vendor_name;
> -
> - while ((known_did = vendor_names[i].dev_names[j].dev_id)
> != 0) {
> - if (known_did == did) {
> - device_name =
> -
> vendor_names[i].dev_names[j].dev_name;
> - break;
> - }
> - j++;
> - }
> - break;
> - }
> -
> - printf("Found TPM %s by %s\n", device_name, vendor_name);
> - return 0;
> -}
> -
> -/*
> - * tis_senddata()
> - *
> - * send the passed in data to the TPM device.
> - *
> - * @data - address of the data to send, byte by byte
> - * @len - length of the data to send
> - *
> - * Returns 0 on success, TPM_DRIVER_ERR on error (in case the device does
> - * not accept the entire command).
> - */
> -static u32 tis_senddata(const u8 * const data, u32 len)
> -{
> - u32 offset = 0;
> - u16 burst = 0;
> - u32 max_cycles = 0;
> - u8 locality = 0;
> - u32 value;
> -
> - value = tis_wait_reg(&lpc_tpm_dev[locality].tpm_status,
> - TIS_STS_COMMAND_READY, TIS_STS_COMMAND_READY);
> - if (value == TPM_TIMEOUT_ERR) {
> - printf("%s:%d - failed to get 'command_ready' status\n",
> - __FILE__, __LINE__);
> - return TPM_DRIVER_ERR;
> - }
> - burst = burst_count(value);
> -
> - while (1) {
> - unsigned count;
> -
> - /* Wait till the device is ready to accept more data. */
> - while (!burst) {
> - if (max_cycles++ == MAX_DELAY_US) {
> - printf("%s:%d failed to feed %d bytes of
> %d\n",
> - __FILE__, __LINE__, len - offset,
> len);
> - return TPM_DRIVER_ERR;
> - }
> - udelay(1);
> - burst = burst_count(tpm_read_word(&lpc_tpm_dev
> -
> [locality].tpm_status));
> - }
> -
> - max_cycles = 0;
> -
> - /*
> - * Calculate number of bytes the TPM is ready to accept in
> one
> - * shot.
> - *
> - * We want to send the last byte outside of the loop (hence
> - * the -1 below) to make sure that the 'expected' status
> bit
> - * changes to zero exactly after the last byte is fed into
> the
> - * FIFO.
> - */
> - count = min(burst, len - offset - 1);
> - while (count--)
> - tpm_write_byte(data[offset++],
> - &lpc_tpm_dev[locality].data);
> -
> - value = tis_wait_reg(&lpc_tpm_dev[locality].tpm_status,
> - TIS_STS_VALID, TIS_STS_VALID);
> -
> - if ((value == TPM_TIMEOUT_ERR) || !(value &
> TIS_STS_EXPECT)) {
> - printf("%s:%d TPM command feed overflow\n",
> - __FILE__, __LINE__);
> - return TPM_DRIVER_ERR;
> - }
> -
> - burst = burst_count(value);
> - if ((offset == (len - 1)) && burst) {
> - /*
> - * We need to be able to send the last byte to the
> - * device, so burst size must be nonzero before we
> - * break out.
> - */
> - break;
> - }
> - }
> -
> - /* Send the last byte. */
> - tpm_write_byte(data[offset++], &lpc_tpm_dev[locality].data);
> - /*
> - * Verify that TPM does not expect any more data as part of this
> - * command.
> - */
> - value = tis_wait_reg(&lpc_tpm_dev[locality].tpm_status,
> - TIS_STS_VALID, TIS_STS_VALID);
> - if ((value == TPM_TIMEOUT_ERR) || (value & TIS_STS_EXPECT)) {
> - printf("%s:%d unexpected TPM status 0x%x\n",
> - __FILE__, __LINE__, value);
> - return TPM_DRIVER_ERR;
> - }
> -
> - /* OK, sitting pretty, let's start the command execution. */
> - tpm_write_word(TIS_STS_TPM_GO, &lpc_tpm_dev[locality].tpm_status);
> - return 0;
> -}
> -
> -/*
> - * tis_readresponse()
> - *
> - * read the TPM device response after a command was issued.
> - *
> - * @buffer - address where to read the response, byte by byte.
> - * @len - pointer to the size of buffer
> - *
> - * On success stores the number of received bytes to len and returns 0. On
> - * errors (misformatted TPM data or synchronization problems) returns
> - * TPM_DRIVER_ERR.
> - */
> -static u32 tis_readresponse(u8 *buffer, u32 *len)
> -{
> - u16 burst;
> - u32 value;
> - u32 offset = 0;
> - u8 locality = 0;
> - const u32 has_data = TIS_STS_DATA_AVAILABLE | TIS_STS_VALID;
> - u32 expected_count = *len;
> - int max_cycles = 0;
> -
> - /* Wait for the TPM to process the command. */
> - value = tis_wait_reg(&lpc_tpm_dev[locality].tpm_status,
> - has_data, has_data);
> - if (value == TPM_TIMEOUT_ERR) {
> - printf("%s:%d failed processing command\n",
> - __FILE__, __LINE__);
> - return TPM_DRIVER_ERR;
> - }
> -
> - do {
> - while ((burst = burst_count(value)) == 0) {
> - if (max_cycles++ == MAX_DELAY_US) {
> - printf("%s:%d TPM stuck on read\n",
> - __FILE__, __LINE__);
> - return TPM_DRIVER_ERR;
> - }
> - udelay(1);
> - value = tpm_read_word(&lpc_tpm_dev
> - [locality].tpm_status);
> - }
> -
> - max_cycles = 0;
> -
> - while (burst-- && (offset < expected_count)) {
> - buffer[offset++] = tpm_read_byte(&lpc_tpm_dev
> - [locality].data);
> -
> - if (offset == 6) {
> - /*
> - * We got the first six bytes of the reply,
> - * let's figure out how many bytes to
> expect
> - * total - it is stored as a 4 byte number
> in
> - * network order, starting with offset 2
> into
> - * the body of the reply.
> - */
> - u32 real_length;
> - memcpy(&real_length,
> - buffer + 2,
> - sizeof(real_length));
> - expected_count = be32_to_cpu(real_length);
> -
> - if ((expected_count < offset) ||
> - (expected_count > *len)) {
> - printf("%s:%d bad response size
> %d\n",
> - __FILE__, __LINE__,
> - expected_count);
> - return TPM_DRIVER_ERR;
> - }
> - }
> - }
> -
> - /* Wait for the next portion. */
> - value = tis_wait_reg(&lpc_tpm_dev[locality].tpm_status,
> - TIS_STS_VALID, TIS_STS_VALID);
> - if (value == TPM_TIMEOUT_ERR) {
> - printf("%s:%d failed to read response\n",
> - __FILE__, __LINE__);
> - return TPM_DRIVER_ERR;
> - }
> -
> - if (offset == expected_count)
> - break; /* We got all we needed. */
> -
> - } while ((value & has_data) == has_data);
> -
> - /*
> - * Make sure we indeed read all there was. The TIS_STS_VALID bit is
> - * known to be set.
> - */
> - if (value & TIS_STS_DATA_AVAILABLE) {
> - printf("%s:%d wrong receive status %x\n",
> - __FILE__, __LINE__, value);
> - return TPM_DRIVER_ERR;
> - }
> -
> - /* Tell the TPM that we are done. */
> - tpm_write_word(TIS_STS_COMMAND_READY, &lpc_tpm_dev
> - [locality].tpm_status);
> - *len = offset;
> - return 0;
> -}
> -
> -int tis_open(void)
> -{
> - u8 locality = 0; /* we use locality zero for everything. */
> -
> - if (tis_close())
> - return TPM_DRIVER_ERR;
> -
> - /* now request access to locality. */
> - tpm_write_word(TIS_ACCESS_REQUEST_USE,
> &lpc_tpm_dev[locality].access);
> -
> - /* did we get a lock? */
> - if (tis_wait_reg(&lpc_tpm_dev[locality].access,
> - TIS_ACCESS_ACTIVE_LOCALITY,
> - TIS_ACCESS_ACTIVE_LOCALITY) == TPM_TIMEOUT_ERR) {
> - printf("%s:%d - failed to lock locality %d\n",
> - __FILE__, __LINE__, locality);
> - return TPM_DRIVER_ERR;
> - }
> -
> - tpm_write_word(TIS_STS_COMMAND_READY,
> - &lpc_tpm_dev[locality].tpm_status);
> - return 0;
> -}
> -
> -int tis_close(void)
> -{
> - u8 locality = 0;
> -
> - if (tpm_read_word(&lpc_tpm_dev[locality].access) &
> - TIS_ACCESS_ACTIVE_LOCALITY) {
> - tpm_write_word(TIS_ACCESS_ACTIVE_LOCALITY,
> - &lpc_tpm_dev[locality].access);
> -
> - if (tis_wait_reg(&lpc_tpm_dev[locality].access,
> - TIS_ACCESS_ACTIVE_LOCALITY, 0) ==
> - TPM_TIMEOUT_ERR) {
> - printf("%s:%d - failed to release locality %d\n",
> - __FILE__, __LINE__, locality);
> - return TPM_DRIVER_ERR;
> - }
> - }
> - return 0;
> -}
> -
> -int tis_sendrecv(const u8 *sendbuf, size_t send_size,
> - u8 *recvbuf, size_t *recv_len)
> -{
> - if (tis_senddata(sendbuf, send_size)) {
> - printf("%s:%d failed sending data to TPM\n",
> - __FILE__, __LINE__);
> - return TPM_DRIVER_ERR;
> - }
> -
> - return tis_readresponse(recvbuf, recv_len);
> -}
> diff --git a/include/tpm.h b/include/tpm.h
> deleted file mode 100644
> index 6b21e9c..0000000
> --- a/include/tpm.h
> +++ /dev/null
> @@ -1,71 +0,0 @@
> -/*
> - * Copyright (c) 2011 The Chromium OS Authors.
> - *
> - * See file CREDITS for list of people who contributed to this
> - * project.
> - *
> - * This program is free software; you can redistribute it and/or
> - * modify it under the terms of the GNU General Public License as
> - * published by the Free Software Foundation; either version 2 of
> - * the License, or (at your option) any later version.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - *
> - * You should have received a copy of the GNU General Public License
> - * along with this program; if not, write to the Free Software
> - * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> - * MA 02111-1307 USA
> - */
> -
> -#ifndef _INCLUDE_TPM_H_
> -#define _INCLUDE_TPM_H_
> -
> -#include <common.h>
> -
> -/*
> - * tis_init()
> - *
> - * Initialize the TPM device. Returns 0 on success or -1 on
> - * failure (in case device probing did not succeed).
> - */
> -int tis_init(void);
> -
> -/*
> - * tis_open()
> - *
> - * Requests access to locality 0 for the caller. After all commands have
> been
> - * completed the caller is supposed to call tis_close().
> - *
> - * Returns 0 on success, -1 on failure.
> - */
> -int tis_open(void);
> -
> -/*
> - * tis_close()
> - *
> - * terminate the currect session with the TPM by releasing the locked
> - * locality. Returns 0 on success of -1 on failure (in case lock
> - * removal did not succeed).
> - */
> -int tis_close(void);
> -
> -/*
> - * tis_sendrecv()
> - *
> - * Send the requested data to the TPM and then try to get its response
> - *
> - * @sendbuf - buffer of the data to send
> - * @send_size size of the data to send
> - * @recvbuf - memory to save the response to
> - * @recv_len - pointer to the size of the response buffer
> - *
> - * Returns 0 on success (and places the number of response bytes at
> recv_len)
> - * or -1 on failure.
> - */
> -int tis_sendrecv(const uint8_t *sendbuf, size_t send_size, uint8_t
> *recvbuf,
> - size_t *recv_len);
> -
> -#endif /* _INCLUDE_TPM_H_ */
> --
> 1.7.10.4
>
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