aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/x86/kernel/genapic_flat_64.c26
-rw-r--r--arch/x86/kernel/genx2apic_cluster.c20
-rw-r--r--arch/x86/kernel/genx2apic_phys.c20
-rw-r--r--arch/x86/kernel/genx2apic_uv_x.c23
-rw-r--r--include/asm-x86/genapic_64.h4
-rw-r--r--include/asm-x86/mach-default/mach_apic.h2
-rw-r--r--include/asm-x86/mach-default/mach_apicdef.h6
7 files changed, 88 insertions, 13 deletions
diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c
index 7dac2f275fa..2c973cbf054 100644
--- a/arch/x86/kernel/genapic_flat_64.c
+++ b/arch/x86/kernel/genapic_flat_64.c
@@ -97,11 +97,27 @@ static void flat_send_IPI_all(int vector)
__send_IPI_shortcut(APIC_DEST_ALLINC, vector, APIC_DEST_LOGICAL);
}
+static unsigned int get_apic_id(unsigned long x)
+{
+ unsigned int id;
+
+ id = (((x)>>24) & 0xFFu);
+ return id;
+}
+
+static unsigned long set_apic_id(unsigned int id)
+{
+ unsigned long x;
+
+ x = ((id & 0xFFu)<<24);
+ return x;
+}
+
static unsigned int read_xapic_id(void)
{
unsigned int id;
- id = GET_APIC_ID(apic_read(APIC_ID));
+ id = get_apic_id(apic_read(APIC_ID));
return id;
}
@@ -134,7 +150,9 @@ struct genapic apic_flat = {
.send_IPI_self = apic_send_IPI_self,
.cpu_mask_to_apicid = flat_cpu_mask_to_apicid,
.phys_pkg_id = phys_pkg_id,
- .read_apic_id = read_xapic_id,
+ .get_apic_id = get_apic_id,
+ .set_apic_id = set_apic_id,
+ .apic_id_mask = (0xFFu<<24),
};
/*
@@ -200,5 +218,7 @@ struct genapic apic_physflat = {
.send_IPI_self = apic_send_IPI_self,
.cpu_mask_to_apicid = physflat_cpu_mask_to_apicid,
.phys_pkg_id = phys_pkg_id,
- .read_apic_id = read_xapic_id,
+ .get_apic_id = get_apic_id,
+ .set_apic_id = set_apic_id,
+ .apic_id_mask = (0xFFu<<24),
};
diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c
index ed0fdede800..40bc0140d89 100644
--- a/arch/x86/kernel/genx2apic_cluster.c
+++ b/arch/x86/kernel/genx2apic_cluster.c
@@ -94,6 +94,22 @@ static unsigned int x2apic_cpu_mask_to_apicid(cpumask_t cpumask)
return BAD_APICID;
}
+static unsigned int get_apic_id(unsigned long x)
+{
+ unsigned int id;
+
+ id = x;
+ return id;
+}
+
+static unsigned long set_apic_id(unsigned int id)
+{
+ unsigned long x;
+
+ x = id;
+ return x;
+}
+
static unsigned int x2apic_read_id(void)
{
return apic_read(APIC_ID);
@@ -131,5 +147,7 @@ struct genapic apic_x2apic_cluster = {
.send_IPI_self = x2apic_send_IPI_self,
.cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid,
.phys_pkg_id = phys_pkg_id,
- .read_apic_id = x2apic_read_id,
+ .get_apic_id = get_apic_id,
+ .set_apic_id = set_apic_id,
+ .apic_id_mask = (0xFFFFFFFFu),
};
diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c
index 3c70b9d692b..2f3c6ca19de 100644
--- a/arch/x86/kernel/genx2apic_phys.c
+++ b/arch/x86/kernel/genx2apic_phys.c
@@ -84,6 +84,22 @@ static unsigned int x2apic_cpu_mask_to_apicid(cpumask_t cpumask)
return BAD_APICID;
}
+static unsigned int get_apic_id(unsigned long x)
+{
+ unsigned int id;
+
+ id = x;
+ return id;
+}
+
+static unsigned long set_apic_id(unsigned int id)
+{
+ unsigned long x;
+
+ x = id;
+ return x;
+}
+
static unsigned int x2apic_read_id(void)
{
return apic_read(APIC_ID);
@@ -118,5 +134,7 @@ struct genapic apic_x2apic_phys = {
.send_IPI_self = x2apic_send_IPI_self,
.cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid,
.phys_pkg_id = phys_pkg_id,
- .read_apic_id = x2apic_read_id,
+ .get_apic_id = get_apic_id,
+ .set_apic_id = set_apic_id,
+ .apic_id_mask = (0xFFFFFFFFu),
};
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index c915f750241..3ca29cd8c23 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -139,16 +139,31 @@ static unsigned int uv_cpu_mask_to_apicid(cpumask_t cpumask)
return BAD_APICID;
}
-static unsigned int uv_read_apic_id(void)
+static unsigned int get_apic_id(unsigned long x)
{
unsigned int id;
WARN_ON(preemptible() && num_online_cpus() > 1);
- id = apic_read(APIC_ID) | __get_cpu_var(x2apic_extra_bits);
+ id = x | __get_cpu_var(x2apic_extra_bits);
return id;
}
+static long set_apic_id(unsigned int id)
+{
+ unsigned long x;
+
+ /* maskout x2apic_extra_bits ? */
+ x = id;
+ return x;
+}
+
+static unsigned int uv_read_apic_id(void)
+{
+
+ return get_apic_id(apic_read(APIC_ID));
+}
+
static unsigned int phys_pkg_id(int index_msb)
{
return uv_read_apic_id() >> index_msb;
@@ -175,7 +190,9 @@ struct genapic apic_x2apic_uv_x = {
/* ZZZ.send_IPI_self = uv_send_IPI_self, */
.cpu_mask_to_apicid = uv_cpu_mask_to_apicid,
.phys_pkg_id = phys_pkg_id, /* Fixme ZZZ */
- .read_apic_id = uv_read_apic_id,
+ .get_apic_id = get_apic_id,
+ .set_apic_id = set_apic_id,
+ .apic_id_mask = (0xFFFFFFFFu),
};
static __cpuinit void set_x2apic_extra_bits(int pnode)
diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h
index 122b9242a40..8ff2589da93 100644
--- a/include/asm-x86/genapic_64.h
+++ b/include/asm-x86/genapic_64.h
@@ -28,7 +28,9 @@ struct genapic {
/* */
unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
unsigned int (*phys_pkg_id)(int index_msb);
- unsigned int (*read_apic_id)(void);
+ unsigned int (*get_apic_id)(unsigned long x);
+ unsigned long (*set_apic_id)(unsigned int id);
+ unsigned long apic_id_mask;
};
extern struct genapic *genapic;
diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h
index 925b797e2a2..3d2b455581e 100644
--- a/include/asm-x86/mach-default/mach_apic.h
+++ b/include/asm-x86/mach-default/mach_apic.h
@@ -30,7 +30,7 @@ static inline cpumask_t target_cpus(void)
#define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid)
#define phys_pkg_id (genapic->phys_pkg_id)
#define vector_allocation_domain (genapic->vector_allocation_domain)
-#define read_apic_id (genapic->read_apic_id)
+#define read_apic_id() (GET_APIC_ID(apic_read(APIC_ID)))
#define send_IPI_self (genapic->send_IPI_self)
extern void setup_apic_routing(void);
#else
diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h
index 3e1be6c99b3..a55518aa5a2 100644
--- a/include/asm-x86/mach-default/mach_apicdef.h
+++ b/include/asm-x86/mach-default/mach_apicdef.h
@@ -4,9 +4,9 @@
#include <asm/apic.h>
#ifdef CONFIG_X86_64
-#define APIC_ID_MASK (0xFFu<<24)
-#define GET_APIC_ID(x) (((x)>>24) & 0xFFu)
-#define SET_APIC_ID(x) (((x)<<24))
+#define APIC_ID_MASK (genapic->apic_id_mask)
+#define GET_APIC_ID(x) (genapic->get_apic_id(x))
+#define SET_APIC_ID(x) (genapic->set_apic_id(x))
#else
#define APIC_ID_MASK (0xF<<24)
static inline unsigned get_apic_id(unsigned long x)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 04:55:24 +0000