fwflash.h revision b3f3b44f9fd6c859d1cedebb73934b93d4b83856
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _FWFLASH_H
#define _FWFLASH_H
/*
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <libdevinfo.h>
#define MSG_INFO 0
#define MSG_WARN 1
#define MSG_ERROR 2
int fwflash_debug;
#define FWFLASH_SUCCESS 0
#define FWFLASH_FAILURE 1
#define FWFLASH_FLASH_IMAGES 2
#define FWPLUGINDIR "/usr/lib/fwflash/identify"
#define FWVERIFYPLUGINDIR "/usr/lib/fwflash/verify"
/*
* we search for a variable (fwplugin_version, type uint32_t)
* which should equal FWPLUGIN_VERSION_1
*/
#define FWPLUGIN_VERSION_1 1
struct devicelist;
struct fw_plugin {
/*
* An opaque handle for dlopen()/dlclose() to use.
*/
void *handle;
/*
* made up of [drivername].so
*
* is the identification plugin for devices attached to
* the host using the ses(7D) driver.
*/
char *filename;
/*
* The driver name that this plugin will search for in
* the device tree snapshot using di_drv_first_node(3DEVINFO)
* and di_drv_next_node(3DEVINFO).
*/
char *drvname; /* "ses" or "tavor" or .... */
/*
* Function entry point to support the command-line "-r"
* option - read image from device to persistent storage.
*
* Not all plugins and devices will support this operation.
*/
/*
* Function entry point to support the command-line "-f"
* option - writes from persistent storage to device
*
* All identification plugins must support this operation.
*/
/*
* Function entry point used to build the list of valid, flashable
* devices attached to the system using the loadable module drvname.
* (Not all devices attached using drvname will be valid for this
* plugin to report.
*
* start allows us to display flashable devices attached with
* different drivers and provide the user with a visual clue
* that these devices are different to others that are detected.
*
* All identification plugins must support this operation.
*/
int (*fw_identify)(int start);
/*
* Function entry point to support the command-line "-l"
*
* All identification plugins must support this operation.
*/
};
struct pluginlist {
/*
* made up of fwflash-[drivername].so
*
* is the identification plugin for devices attached to
* the host using the ses(7D) driver.
*/
char *filename;
/*
* The driver name that this plugin will search for in
* the device tree snapshot using di_drv_first_node(3DEVINFO)
* and di_drv_next_node(3DEVINFO).
*/
char *drvname;
/*
* pointer to the actual plugin, so we can access its
* function entry points
*/
/* pointer to the next element in the list */
};
struct vpr {
/* vendor ID, eg "HITACHI " */
char *vid;
/* product ID, eg "DK32EJ36NSUN36G " */
char *pid;
/* revision, eg "PQ08" */
char *revid;
/*
* Additional, encapsulated identifying information.
* This pointer allows us to add details such as the
* IB hba sector size, which command set should be
* used or a part number.
*/
void *encap_ident;
};
struct fwfile {
/*
* The fully qualified filename. No default location for
* for the firmware image file is mandated.
*/
char *filename;
/* Pointer to the identification plugin required */
/* pointer to the identification summary structure */
struct vpr *ident;
};
struct devicelist {
/*
* fully qualified pathname, with /devices/.... prefix
*/
char *access_devname;
/*
* Which drivername did we find this device attached with
* in our device tree walk? Eg, ses or tavor or sgen...
*/
char *drvname;
/*
* What class of device is this? For tavor-attached devices,
* we set this to "IB". For other devices, unless there is
* a common name to use, just make this the same as the
* drvname field.
*/
char *classname;
/* pointer to the VPR structure */
struct vpr *ident;
/*
* In the original fwflash(1M), it was possible to select a
* device for flashing by using an index number called a
* dev_num. We retain that concept for pluggable fwflash, with
* the following change - whenever our identification plugin has
* finished and found at least one acceptable device, we bump the
* index number by 100. This provides the user with another key
* to distinguish the desired device from a potentially very large
* list of similar-looking devices.
*/
unsigned int index;
/*
* Contains SAS or FC Port-WWNs, or IB GUIDS. Both SAS and FC only
* need one entry in this array since they really only have one
* address which we should track. IB devices can have 4 GUIDs
* (System Image, Node Image, Port 1 and Port 2).
*/
char *addresses[4];
/*
* Pointer to the plugin needed to flash this device, and
* to use for printing appropriate device-specific information
* as required by the "-l" option to fwflash(1M).
*/
/* Next entry in the list */
};
/*
* this type of plugin is for the firmware image vendor-specific
* verification functions, which we load from FWVERIFYPLUGINDIR
*/
struct vrfyplugin {
/*
* made up of [drivername]-[vendorname].so
*
* eg /usr/lib/fwflash/verify/ses-SUN.so
* is the verification plugin for ses-attached devices which
* have a vendorname of "SUN".
*/
char *filename;
/*
* The vendor name, such as "SUN" or "MELLANOX"
*/
char *vendor;
/*
* An opaque handle for dlopen()/dlclose() to use.
*/
void *handle;
/*
* Firmware image size in bytes, as reported by
* stat().
*/
unsigned int imgsize;
/*
* Flashable devices frequently have different buffers
* to use for different image types. We track the buffer
* required for this particular image with this variable.
*
* Once the verifier has figured out what sort of image
* it's been passed, it will know what value to use for
* this variable.
*/
unsigned int flashbuf;
/*
* Points to the entire firmware image in memory.
* We do this so we can avoid multiple open()/close()
* operations, and to make it easier for checksum
* calculations.
*/
int *fwimage;
/*
* We also store the name of the firmware file that
* we point to with *fwimage. This is needed in cases
* where we need to key off the name of the file to
* determine whether a different buffer in the target
* device should be targeted.
*
* For example, our "standard" firmware image (file.fw)
* might require use of buffer id 0, but a boot image
* (boot.fw) might require use of buffer id 17. In each
* case, it is the verifier plugin that determines the
* specific bufferid that is needed by that firmware image.
*/
char *imgfile;
/*
* The verification function entry point. The code
* in fwflash.c calls this function to verify that
* the nominated firmware image file is valid for
* the selected devicenode.
*
* Note that if the verification fails, the image
* does _not_ get force-flashed to the device.
*/
};
/* Flags for argument parsing */
#define FWFLASH_HELP_FLAG 0x01
#define FWFLASH_VER_FLAG 0x02
#define FWFLASH_YES_FLAG 0x04
#define FWFLASH_LIST_FLAG 0x08
#define FWFLASH_CLASS_FLAG 0x10
#define FWFLASH_DEVICE_FLAG 0x20
#define FWFLASH_FW_FLAG 0x40
#define FWFLASH_READ_FLAG 0x80
/* global variables for fwflash */
struct PLUGINLIST *fw_pluginlist;
struct DEVICELIST *fw_devices;
struct vrfyplugin *verifier;
int manufacturing_mode = 0;
/*
* utility defines and macros, since the firmware image we get
* from LSI is ARM-format and that means byte- and short-swapping
* on sparc
*/
#define HIGHBITS16 0xff00
#define HIGHBITS32 0xffff0000
#define HIGHBITS64 0xffffffff00000000ULL
#define LOWBITS16 0x00ff
#define LOWBITS32 0x0000ffff
#define LOWBITS64 0x00000000ffffffffULL
#if defined(_LITTLE_ENDIAN)
#define MLXSWAPBITS64(bs) \
#else
#endif
/* common functions for fwflash */
#ifdef __cplusplus
}
#endif
#endif /* _FWFLASH_H */