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/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* IOCB dispatcher File: cfe_vendor_xreq.c
*
* This routine is the main API dispatch for CFE. User API
* calls, via the ROM entry point, get dispatched to routines
* in this module.
*
* This version of cfe_xreq is used for vendor extensions to
* CFE.
*
* This module looks similar to cfe_iocb_dispatch - it is different
* in that the data structure used, cfe_xiocb_t, uses fixed
* size field members (specifically, all 64-bits) no matter how
* the firmware is compiled. This ensures a consistent API
* interface on any implementation. When you call CFE
* from another program, the entry vector comes here first.
*
* Should the normal cfe_iocb interface change, this one should
* be kept the same for backward compatibility reasons.
*
* Author: Mitch Lichtenberg (mpl@broadcom.com)
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions
* as they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. The "Broadcom Corporation"
* name may not be used to endorse or promote products derived
* from this software without the prior written permission of
* Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************* */
#include "lib_types.h"
#include "lib_malloc.h"
#include "lib_queue.h"
#include "lib_printf.h"
#include "lib_string.h"
#include "cfe_iocb.h"
#include "cfe_vendor_iocb.h"
#include "cfe_xiocb.h"
#include "cfe_vendor_xiocb.h"
#include "cfe_error.h"
#include "cfe_device.h"
#include "cfe_timer.h"
#include "cfe_mem.h"
#include "env_subr.h"
#include "cfe.h"
/* *********************************************************************
* Constants
********************************************************************* */
/* enum values for various plist types */
#define PLBUF 1 /* iocb_buffer_t */
/* *********************************************************************
* Structures
********************************************************************* */
struct cfe_vendor_xcmd_dispatch_s {
int xplistsize;
int iplistsize;
int plisttype;
};
/* *********************************************************************
* Command conversion table
* This table contains useful information for converting
* iocbs to xiocbs.
********************************************************************* */
const static struct cfe_vendor_xcmd_dispatch_s
cfe_vendor_xcmd_dispatch_table[CFE_CMD_VENDOR_MAX-CFE_CMD_VENDOR_USE] = {
{sizeof(xiocb_buffer_t), sizeof(iocb_buffer_t), PLBUF}, /* 0 : CFE_CMD_VENDOR_SAMPLE */
};
/* *********************************************************************
* Externs
********************************************************************* */
extern int cfe_vendor_iocb_dispatch(cfe_vendor_iocb_t *iocb);
extern cfe_int_t cfe_vendor_doxreq(cfe_vendor_xiocb_t *xiocb);
/* *********************************************************************
* cfe_vendor_doxreq(xiocb)
*
* Process an xiocb request. This routine converts an xiocb
* into an iocb, calls the IOCB dispatcher, converts the results
* back into the xiocb, and returns.
*
* Input parameters:
* xiocb - pointer to user xiocb
*
* Return value:
* command status, <0 if error occured
********************************************************************* */
cfe_int_t cfe_vendor_doxreq(cfe_vendor_xiocb_t *xiocb)
{
const struct cfe_vendor_xcmd_dispatch_s *disp;
cfe_vendor_iocb_t iiocb;
cfe_int_t res;
/*
* Check for commands codes out of range
*/
if ((xiocb->xiocb_fcode < CFE_CMD_VENDOR_USE) ||
(xiocb->xiocb_fcode >= CFE_CMD_VENDOR_MAX)) {
xiocb->xiocb_status = CFE_ERR_INV_COMMAND;
return xiocb->xiocb_status;
}
/*
* Check for command codes in range but invalid
*/
disp = &cfe_vendor_xcmd_dispatch_table[xiocb->xiocb_fcode - CFE_CMD_VENDOR_USE];
if (disp->xplistsize < 0) {
xiocb->xiocb_status = CFE_ERR_INV_COMMAND;
return xiocb->xiocb_status;
}
/*
* Check for invalid parameter list size
*/
if (disp->xplistsize != xiocb->xiocb_psize) {
xiocb->xiocb_status = CFE_ERR_INV_PARAM;
return xiocb->xiocb_status;
}
/*
* Okay, copy parameters into the internal IOCB.
* First, the fixed header.
*/
iiocb.iocb_fcode = (unsigned int) xiocb->xiocb_fcode;
iiocb.iocb_status = (int) xiocb->xiocb_status;
iiocb.iocb_handle = (int) xiocb->xiocb_handle;
iiocb.iocb_flags = (unsigned int) xiocb->xiocb_flags;
iiocb.iocb_psize = (unsigned int) disp->iplistsize;
/*
* Now the parameter list
*/
switch (disp->plisttype) {
case PLBUF:
iiocb.plist.iocb_buffer.buf_offset = (cfe_offset_t) xiocb->plist.xiocb_buffer.buf_offset;
iiocb.plist.iocb_buffer.buf_ptr = (unsigned char *) (uintptr_t) xiocb->plist.xiocb_buffer.buf_ptr;
iiocb.plist.iocb_buffer.buf_length = (unsigned int) xiocb->plist.xiocb_buffer.buf_length;
iiocb.plist.iocb_buffer.buf_retlen = (unsigned int) xiocb->plist.xiocb_buffer.buf_retlen;
iiocb.plist.iocb_buffer.buf_ioctlcmd = (unsigned int) xiocb->plist.xiocb_buffer.buf_ioctlcmd;
break;
}
/*
* Do the internal function dispatch
*/
res = (cfe_int_t) cfe_vendor_iocb_dispatch(&iiocb);
/*
* Now convert the parameter list members back
*/
switch (disp->plisttype) {
case PLBUF:
xiocb->plist.xiocb_buffer.buf_offset = (cfe_uint_t) iiocb.plist.iocb_buffer.buf_offset;
xiocb->plist.xiocb_buffer.buf_ptr = (cfe_xptr_t) (uintptr_t) iiocb.plist.iocb_buffer.buf_ptr;
xiocb->plist.xiocb_buffer.buf_length = (cfe_uint_t) iiocb.plist.iocb_buffer.buf_length;
xiocb->plist.xiocb_buffer.buf_retlen = (cfe_uint_t) iiocb.plist.iocb_buffer.buf_retlen;
xiocb->plist.xiocb_buffer.buf_ioctlcmd = (cfe_uint_t) iiocb.plist.iocb_buffer.buf_ioctlcmd;
break;
}
/*
* And the fixed header
*/
xiocb->xiocb_status = (cfe_int_t) iiocb.iocb_status;
xiocb->xiocb_handle = (cfe_int_t) iiocb.iocb_handle;
xiocb->xiocb_flags = (cfe_uint_t) iiocb.iocb_flags;
return xiocb->xiocb_status;
}
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