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authorSubrata Banik <subrata.banik@intel.com>2018-04-24 13:45:30 +0530
committerPatrick Georgi <pgeorgi@google.com>2018-05-14 08:39:42 +0000
commit3337497d2a1995614afd4a554747d86e4bcd8d31 (patch)
treed633ef07da222f54c90057d0e9b179c785f2a948 /src/cpu
parent223fb436fe89a265f4ddbe7f8fe38a35b47a8253 (diff)
downloadcoreboot-3337497d2a1995614afd4a554747d86e4bcd8d31.tar.xz
cpu/x86: Add support to run function with argument over APs
This patch ensures that user can pass a function with given argument list to execute over APs. BUG=b:74436746 BRANCH=none TEST=Able to run functions over APs with argument. Change-Id: I668b36752f6b21cb99cd1416c385d53e96117213 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/25725 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/x86/mp_init.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c
index f7cf0b418d..ef576ec26d 100644
--- a/src/cpu/x86/mp_init.c
+++ b/src/cpu/x86/mp_init.c
@@ -41,7 +41,8 @@
#define MAX_APIC_IDS 256
struct mp_callback {
- void (*func)(void);
+ void (*func)(void *);
+ void *arg;
};
/*
@@ -191,7 +192,7 @@ static void ap_do_flight_plan(void)
}
}
-static void park_this_cpu(void)
+static void park_this_cpu(void *unused)
{
stop_this_cpu();
}
@@ -222,7 +223,7 @@ static void asmlinkage ap_init(unsigned int cpu)
ap_do_flight_plan();
/* Park the AP. */
- park_this_cpu();
+ park_this_cpu(NULL);
}
static void setup_default_sipi_vector_params(struct sipi_params *sp)
@@ -941,21 +942,22 @@ static void ap_wait_for_instruction(void)
memcpy(&lcb, cb, sizeof(lcb));
mfence();
store_callback(per_cpu_slot, NULL);
- lcb.func();
+ lcb.func(lcb.arg);
}
}
-int mp_run_on_aps(void (*func)(void), long expire_us)
+int mp_run_on_aps(void (*func)(void *), void *arg, long expire_us)
{
- struct mp_callback lcb = { .func = func };
+ struct mp_callback lcb = { .func = func, .arg = arg };
return run_ap_work(&lcb, expire_us);
}
-int mp_run_on_all_cpus(void (*func)(void), long expire_us)
+int mp_run_on_all_cpus(void (*func)(void *), void *arg, long expire_us)
{
/* Run on BSP first. */
- func();
- return mp_run_on_aps(func, expire_us);
+ func(arg);
+
+ return mp_run_on_aps(func, arg, expire_us);
}
int mp_park_aps(void)
@@ -966,7 +968,7 @@ int mp_park_aps(void)
stopwatch_init(&sw);
- ret = mp_run_on_aps(park_this_cpu, 250 * USECS_PER_MSEC);
+ ret = mp_run_on_aps(park_this_cpu, NULL, 250 * USECS_PER_MSEC);
duration_msecs = stopwatch_duration_msecs(&sw);