ACPI Fixes
Craig Dooley
craig at xlnx-x.net
Fri Feb 20 04:32:52 PST 2004
Here is a better patch which properly initializes the token.
-Craig
On Thu, Feb 19, 2004 at 12:20:58PM -0800, Matthew Dillon wrote:
> : Hmm, which makes me wonder. How can lwkt_{get|rel}token()
> : accept an uninitialised token? As far as I can tell, every
> : LWKT token needs to be initialised with lwkt_inittoken().
> :
> : I tried grep'ing for lwkt_inittoken() in your patch, but I
> : did not get any results.
> :
> : -Hiten
> : Hiten Pandya (hmp at xxxxxxxxxxxxx)
>
> It can't, now. The old version of the token code stored a cpuid
> in the token, so a zero'd token was in fact a valid token.
> The new version stores a globaldata_t (pointer) in the token, so
> a zero'd token is *NOT* valid.
>
> This has revealed that quite a bit of code does not properly initialize
> the tokens they use.
>
> -Matt
> Matthew Dillon
> <dillon at xxxxxxxxxxxxx>
--
------------------------------------------------------------------------
Craig Dooley craig at xxxxxxxxxx
------------------------------------------------------------------------
Index: dev/acpica/acpi.c
===================================================================
RCS file: /home/dcvs/src/sys/dev/acpica/acpi.c,v
retrieving revision 1.3
diff -u -r1.3 acpi.c
--- dev/acpica/acpi.c 13 Feb 2004 00:25:17 -0000 1.3
+++ dev/acpica/acpi.c 19 Feb 2004 20:48:39 -0000
@@ -99,6 +99,10 @@
/* this has to be static, as the softc is gone when we need it */
static int acpi_off_state = ACPI_STATE_S5;
+#if defined(__DragonFly__)
+struct lwkt_token acpi_token;
+#endif
+
#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
struct mtx acpi_mutex;
#endif
@@ -242,6 +246,10 @@
mtx_init(&acpi_mutex, "ACPI global lock", NULL, MTX_DEF);
#endif
+#if defined(__DragonFly__)
+ lwkt_inittoken(&acpi_token);
+#endif
+
/*
* Start up the ACPI CA subsystem.
*/
Index: dev/acpica/acpi_acad.c
===================================================================
RCS file: /home/dcvs/src/sys/dev/acpica/acpi_acad.c,v
retrieving revision 1.1
diff -u -r1.1 acpi_acad.c
--- dev/acpica/acpi_acad.c 24 Sep 2003 03:32:16 -0000 1.1
+++ dev/acpica/acpi_acad.c 19 Feb 2004 15:57:15 -0000
@@ -50,6 +50,9 @@
#define _COMPONENT ACPI_AC_ADAPTER
ACPI_MODULE_NAME("AC_ADAPTER")
+/* Number of times to retry initialization before giving up. */
+#define ACPI_ACAD_RETRY_MAX 6
+
#define ACPI_DEVICE_CHECK_PNP 0x00
#define ACPI_DEVICE_CHECK_EXISTENCE 0x01
#define ACPI_POWERSOURCE_STAT_CHANGE 0x80
@@ -233,7 +236,6 @@
int status;
device_t dev = (device_t)arg;
struct acpi_acad_softc *sc = device_get_softc(dev);
-#define ACPI_ACAD_RETRY_MAX 6
if (sc->initializing) {
return;
Index: dev/acpica/acpi_button.c
===================================================================
RCS file: /home/dcvs/src/sys/dev/acpica/acpi_button.c,v
retrieving revision 1.1
diff -u -r1.1 acpi_button.c
--- dev/acpica/acpi_button.c 24 Sep 2003 03:32:16 -0000 1.1
+++ dev/acpica/acpi_button.c 19 Feb 2004 15:56:06 -0000
@@ -52,6 +52,9 @@
boolean_t button_type; /* Power or Sleep Button */
};
+#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP 0x80
+#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP 0x02
+
static int acpi_button_probe(device_t dev);
static int acpi_button_attach(device_t dev);
static int acpi_button_suspend(device_t dev);
@@ -166,7 +169,6 @@
default:
break; /* unknown button type */
}
- return_VOID;
}
static void
@@ -195,13 +197,8 @@
default:
break; /* unknown button type */
}
- return_VOID;
}
-/* XXX maybe not here */
-#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP 0x80
-#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP 0x02
-
static void
acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
{
@@ -219,7 +216,6 @@
default:
break; /* unknown notification value */
}
- return_VOID;
}
Index: dev/acpica/acpi_cpu.c
===================================================================
RCS file: /home/dcvs/src/sys/dev/acpica/acpi_cpu.c,v
retrieving revision 1.1
diff -u -r1.1 acpi_cpu.c
--- dev/acpica/acpi_cpu.c 24 Sep 2003 03:32:16 -0000 1.1
+++ dev/acpica/acpi_cpu.c 15 Feb 2004 20:26:16 -0000
@@ -330,7 +330,7 @@
if (speed < CPU_MAX_SPEED) {
/* mask the old CLK_VAL off and or-in the new value */
- clk_val = CPU_MAX_SPEED << cpu_duty_offset;
+ clk_val = (CPU_MAX_SPEED - 1) << cpu_duty_offset;
p_cnt &= ~clk_val;
p_cnt |= (speed << cpu_duty_offset);
Index: dev/acpica/acpi_timer.c
===================================================================
RCS file: /home/dcvs/src/sys/dev/acpica/acpi_timer.c,v
retrieving revision 1.3
diff -u -r1.3 acpi_timer.c
--- dev/acpica/acpi_timer.c 13 Feb 2004 00:25:17 -0000 1.3
+++ dev/acpica/acpi_timer.c 19 Feb 2004 17:13:20 -0000
@@ -124,7 +124,6 @@
return (tv);
}
-#define N 2000
static int
test_counter()
{
@@ -134,7 +133,7 @@
min = 10000000;
max = 0;
last = read_counter();
- for (n = 0; n < N; n++) {
+ for (n = 0; n < 2000; n++) {
this = read_counter();
delta = (this - last) & 0xffffff;
if (delta > max)
@@ -170,10 +169,7 @@
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
- if (acpi_disabled("timer"))
- return_VOID;
-
- if (AcpiGbl_FADT == NULL)
+ if (acpi_disabled("timer") || (AcpiGbl_FADT == NULL))
return_VOID;
if ((dev = BUS_ADD_CHILD(parent, 0, "acpi_timer", 0)) == NULL) {
@@ -377,10 +373,10 @@
vendor = pci_get_vendor(dev);
device = pci_get_device(dev);
revid = pci_get_revid(dev);
-
- if (((vendor == 0x8086) && (device == 0x7113) && (revid >= 0x03)) || /* PIIX4M */
- ((vendor == 0x8086) && (device == 0x719b)) || /* i440MX */
- 0) {
+
+ /* PIIX4M or i440MX
+ if (((vendor == 0x8086) && (device == 0x7113) && (revid >= 0x03)) ||
+ ((vendor == 0x8086) && (device == 0x719b))) {
acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount;
acpi_timer_timecounter.tc_name = "ACPI-fast";
Index: dev/acpica/acpivar.h
===================================================================
RCS file: /home/dcvs/src/sys/dev/acpica/acpivar.h,v
retrieving revision 1.2
diff -u -r1.2 acpivar.h
--- dev/acpica/acpivar.h 13 Feb 2004 00:25:17 -0000 1.2
+++ dev/acpica/acpivar.h 19 Feb 2004 16:56:19 -0000
@@ -89,8 +89,16 @@
struct resource_list ad_rl;
};
-
-#if defined(__DragonFly__) || __FreeBSD_version < 500000
+#if defined(__DragonFly__)
+extern struct lwkt_token acpi_token;
+# define ACPI_LOCK lwkt_gettoken(&acpi_token)
+# define ACPI_UNLOCK lwkt_reltoken(&acpi_token)
+# define ACPI_ASSERTLOCK
+# define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e)
+# define ACPI_LOCK_DECL int s
+# define kthread_create(a, b, c, d, e, f) kthread_create(a, b, c, f)
+# define tc_init(a) init_timecounter(a)
+#elif __FreeBSD_version < 500000
/*
* In 4.x, ACPI is protected by splhigh().
*/
@@ -142,37 +150,6 @@
#define ACPI_INTR_APIC 1
#define ACPI_INTR_SAPIC 2
-/* XXX this is no longer referenced anywhere, remove? */
-#if 0
-/*
- * This is a cheap and nasty way to get around the horrid counted list
- * argument format that AcpiEvalateObject uses.
- */
-#define ACPI_OBJECTLIST_MAX 16
-struct acpi_object_list {
- UINT32 count;
- ACPI_OBJECT *pointer[ACPI_OBJECTLIST_MAX];
- ACPI_OBJECT object[ACPI_OBJECTLIST_MAX];
-};
-
-static __inline struct acpi_object_list *
-acpi_AllocObjectList(int nobj)
-{
- struct acpi_object_list *l;
- int i;
-
- if (nobj > ACPI_OBJECTLIST_MAX)
- return(NULL);
- if ((l = AcpiOsAllocate(sizeof(*l))) == NULL)
- return(NULL);
- bzero(l, sizeof(*l));
- for (i = 0; i < ACPI_OBJECTLIST_MAX; i++)
- l->pointer[i] = &l->object[i];
- l->count = nobj;
- return(l);
-}
-#endif /* unused */
-
/*
* Note that the low ivar values are reserved to provide
* interface compatibility with ISA drivers which can also
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