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Redid the macro trickery to define module parameters automatically.

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This new version also creates MODULE_PARM_DESC entries, which describe
what each parameter is used for.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@360 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Frodo Looijaard committed 1999-04-04 20:56:30 +00:00
1 parent eb1b4d7ea4
commit 0cf84e8549
1 file changed
+49 -34
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kernel/include/sensors.h
+49 -34
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@@ -178,23 +178,39 @@ struct sensors_address_data {
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END}
/* This is ugly. We need to evaluate SENSORS_MAX_OPTS before it is
stringified */
#define SENSORS_MODPARM_AUX1(x) "1-" #x "h"
#define SENSORS_MODPARM_AUX(x) SENSORS_MODPARM_AUX1(x)
#define SENSORS_MODPARM SENSORS_MODPARM_AUX(SENSORS_MAX_OPTS)
#define SENSORS_CONCAT(x,y) x ## y
#define MODULE_PARM1(x,y) MODULE_PARM(x,y)
/* SENSORS_MODULE_PARM creates a module parameter, and puts it in the
module header */
#define SENSORS_MODULE_PARM(var,desc) \
static unsigned short var[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM(var,SENSORS_MODPARM); \
MODULE_PARM_DESC(var,desc)
/* SENSORS_MODULE_PARM creates a 'force_*' module parameter, and puts it in
the module header */
#define SENSORS_MODULE_PARM_FORCE(name) \
SENSORS_MODULE_PARM(force_ ## name, \
"List of adapter,address pairs which are unquestionably" \
" assumed to contain a `" # name "' chip")
/* This defines several insmod variables, and the addr_data structure */
#define SENSORS_INSMOD \
MODULE_PARM(probe,SENSORS_MODPARM); \
static unsigned short probe[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM(probe_range,SENSORS_MODPARM); \
static unsigned short probe_range[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM(ignore,SENSORS_MODPARM); \
static unsigned short ignore[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM(ignore_range,SENSORS_MODPARM); \
static unsigned short ignore_range [SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
SENSORS_MODULE_PARM(probe, \
"List of adapter,address pairs to scan additionally"); \
SENSORS_MODULE_PARM(probe_range, \
"List of adapter,start-addr,end-addr triples to scan " \
"additionally"); \
SENSORS_MODULE_PARM(ignore, \
"List of adapter,address pairs not to scan"); \
SENSORS_MODULE_PARM(ignore_range, \
"List of adapter,start-addr,end-addr triples not to " \
"scan"); \
static struct sensors_address_data addr_data = \
{normal_i2c, normal_i2c_range, \
normal_isa, normal_isa_range, \
@@ -202,22 +218,24 @@ struct sensors_address_data {
ignore, ignore_range, \
forces}
/* The following functions assume the existence of an enum with the chip
names as elements. The first element of the enum should be any_chip */
/* The following functions create an enum with the chip names as elements.
The first element of the enum is any_chip. These are the only macros
a module will want to use. */
#define SENSORS_INSMOD_0 \
enum chips { any_chip }; \
MODULE_PARM(force,SENSORS_MODPARM); \
static unsigned short force[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
SENSORS_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
static struct sensors_force_data forces[] = {{force,any_chip},{NULL}}; \
SENSORS_INSMOD
#define SENSORS_INSMOD_1(chip1) \
enum chips { any_chip, chip1 }; \
MODULE_PARM(force,SENSORS_MODPARM); \
static unsigned short force[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM1(SENSORS_CONCAT(force_,chip1),SENSORS_MODPARM); \
static unsigned short force_ ## chip1 [SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
SENSORS_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
static struct sensors_force_data forces[] = {{force,any_chip},\
{force_ ## chip1,chip1}, \
{NULL}}; \
@@ -225,28 +243,25 @@ struct sensors_address_data {
#define SENSORS_INSMOD_2(chip1,chip2) \
enum chips { any_chip, chip1, chip2 }; \
MODULE_PARM(force,SENSORS_MODPARM); \
static unsigned short force[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM1(SENSORS_CONCAT(force_,chip1),SENSORS_MODPARM); \
static unsigned short force_ ## chip1 [SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM1(SENSORS_CONCAT(force_,chip2),SENSORS_MODPARM); \
static unsigned short force_ ## chip2 [SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
SENSORS_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
SENSORS_MODULE_PARM_FORCE(chip2); \
static struct sensors_force_data forces[] = {{force,any_chip}, \
{force_ ## chip1,chip2}, \
{force_ ## chip2,nr2}, \
{force_ ## chip1,chip1}, \
{force_ ## chip2,chip2}, \
{NULL}}; \
SENSORS_INSMOD
#define SENSORS_INSMOD_3(chip1,chip2,chip3) \
enum chips { any_chip, chip1, chip2, chip3 }; \
MODULE_PARM(force,SENSORS_MODPARM); \
static unsigned short force[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM1(SENSORS_CONCAT(force_,chip1),SENSORS_MODPARM); \
static unsigned short force_ ## chip1 [SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM1(SENSORS_CONCAT(force_,chip2),SENSORS_MODPARM); \
static unsigned short force_ ## chip2 [SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM1(SENSORS_CONCAT(force_,chip3),SENSORS_MODPARM); \
static unsigned short force_ ## chip3 [SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
SENSORS_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
SENSORS_MODULE_PARM_FORCE(chip2); \
SENSORS_MODULE_PARM_FORCE(chip3); \
static struct sensors_force_data forces[] = {{force,any_chip}, \
{force_ ## chip1,chip1}, \
{force_ ## chip2,chip2}, \