diff options
Diffstat (limited to 'cfe/cfe/vendor/cfe_vendor_iocb_dispatch.c')
| -rw-r--r-- | cfe/cfe/vendor/cfe_vendor_iocb_dispatch.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/cfe/cfe/vendor/cfe_vendor_iocb_dispatch.c b/cfe/cfe/vendor/cfe_vendor_iocb_dispatch.c new file mode 100644 index 0000000..fb00c03 --- /dev/null +++ b/cfe/cfe/vendor/cfe_vendor_iocb_dispatch.c @@ -0,0 +1,179 @@ +/* ********************************************************************* + * Broadcom Common Firmware Environment (CFE) + * + * IOCB dispatcher File: cfe_vendor_iocb_dispatch.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. + * + * 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_error.h" +#include "cfe_device.h" +#include "cfe_timer.h" +#include "cfe_mem.h" +#include "cfe_fileops.h" +#include "cfe_boot.h" +#include "env_subr.h" +#include "cfe.h" +#include "cfe_console.h" +#include "bsp_config.h" + +/* ********************************************************************* + * Constants + ********************************************************************* */ + +#define HV 1 /* handle valid */ + +/* ********************************************************************* + * Globals + ********************************************************************* */ + +extern cfe_devctx_t *cfe_handle_table[CFE_MAX_HANDLE]; + +/* ********************************************************************* + * Prototypes + ********************************************************************* */ + +int cfe_vendor_iocb_dispatch(cfe_iocb_t *iocb); + +/* ********************************************************************* + * Dispatch table + ********************************************************************* */ + +struct cfe_vendor_cmd_dispatch_s { + int plistsize; + int flags; + int (*func)(cfe_devctx_t *ctx,cfe_iocb_t *iocb); +}; + + +static int cfe_cmd_vendor_sample(cfe_devctx_t *ctx,cfe_iocb_t *iocb); + +const static struct cfe_vendor_cmd_dispatch_s + cfe_vendor_cmd_dispatch_table[CFE_CMD_VENDOR_MAX - CFE_CMD_VENDOR_USE] = { + {sizeof(iocb_buffer_t), 0, cfe_cmd_vendor_sample}, /* 0 : CFE_CMD_VENDOR_SAMPLE */ +}; + +/* ********************************************************************* + * IOCB dispatch routines + ********************************************************************* */ + + +int cfe_vendor_iocb_dispatch(cfe_iocb_t *iocb) +{ + const struct cfe_vendor_cmd_dispatch_s *disp; + int res; + cfe_devctx_t *ctx; + + /* + * Check for commands codes out of range + */ + + if ((iocb->iocb_fcode < CFE_CMD_VENDOR_USE) || + (iocb->iocb_fcode >= CFE_CMD_VENDOR_MAX)) { + iocb->iocb_status = CFE_ERR_INV_COMMAND; + return iocb->iocb_status; + } + + /* + * Check for command codes in range but invalid + */ + + disp = &cfe_vendor_cmd_dispatch_table[iocb->iocb_fcode - CFE_CMD_VENDOR_USE]; + + if (disp->plistsize < 0) { + iocb->iocb_status = CFE_ERR_INV_COMMAND; + return iocb->iocb_status; + } + + /* + * Check for invalid parameter list size + */ + + if (disp->plistsize != iocb->iocb_psize) { + iocb->iocb_status = CFE_ERR_INV_PARAM; + return iocb->iocb_status; + } + + /* + * Determine handle + */ + + ctx = NULL; + if (disp->flags & HV) { + if ((iocb->iocb_handle >= CFE_MAX_HANDLE) || + (iocb->iocb_handle < 0) || + (cfe_handle_table[iocb->iocb_handle] == NULL)){ + iocb->iocb_status = CFE_ERR_INV_PARAM; + return iocb->iocb_status; + } + ctx = cfe_handle_table[iocb->iocb_handle]; + } + + /* + * Dispatch to handler routine + */ + + res = (*disp->func)(ctx,iocb); + + iocb->iocb_status = res; + return res; +} + + + +/* ********************************************************************* + * Implementation routines for each IOCB function + ********************************************************************* */ + +static int cfe_cmd_vendor_sample(cfe_devctx_t *ctx,cfe_iocb_t *iocb) +{ + return CFE_OK; +} |