x86, bigsmp: consolidate header code
authorIngo Molnar <mingo@elte.hu>
Wed, 28 Jan 2009 18:19:12 +0000 (19:19 +0100)
committerIngo Molnar <mingo@elte.hu>
Thu, 29 Jan 2009 13:16:48 +0000 (14:16 +0100)
Move all the asm/bigsmp/*.h definitions into bigsmp_32.c.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/bigsmp_32.c

index 626f45ca4e7ecf64c4b924a6dfe93f7dcfed2210..b1f91931003fa843e657c1047f079bc34039b90a 100644 (file)
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/dmi.h>
-#include <asm/bigsmp/apicdef.h>
 #include <linux/smp.h>
-#include <asm/bigsmp/apic.h>
-#include <asm/bigsmp/ipi.h>
+
+
+static inline unsigned bigsmp_get_apic_id(unsigned long x)
+{
+       return (x >> 24) & 0xFF;
+}
+
+#define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu))
+
+static inline int bigsmp_apic_id_registered(void)
+{
+       return 1;
+}
+
+static inline const cpumask_t *bigsmp_target_cpus(void)
+{
+#ifdef CONFIG_SMP
+       return &cpu_online_map;
+#else
+       return &cpumask_of_cpu(0);
+#endif
+}
+
+#define APIC_DFR_VALUE         (APIC_DFR_FLAT)
+
+static inline unsigned long
+bigsmp_check_apicid_used(physid_mask_t bitmap, int apicid)
+{
+       return 0;
+}
+
+static inline unsigned long bigsmp_check_apicid_present(int bit)
+{
+       return 1;
+}
+
+static inline unsigned long calculate_ldr(int cpu)
+{
+       unsigned long val, id;
+       val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
+       id = xapic_phys_to_log_apicid(cpu);
+       val |= SET_APIC_LOGICAL_ID(id);
+       return val;
+}
+
+/*
+ * Set up the logical destination ID.
+ *
+ * Intel recommends to set DFR, LDR and TPR before enabling
+ * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
+ * document number 292116).  So here it goes...
+ */
+static inline void bigsmp_init_apic_ldr(void)
+{
+       unsigned long val;
+       int cpu = smp_processor_id();
+
+       apic_write(APIC_DFR, APIC_DFR_VALUE);
+       val = calculate_ldr(cpu);
+       apic_write(APIC_LDR, val);
+}
+
+static inline void bigsmp_setup_apic_routing(void)
+{
+       printk("Enabling APIC mode:  %s.  Using %d I/O APICs\n",
+               "Physflat", nr_ioapics);
+}
+
+static inline int bigsmp_apicid_to_node(int logical_apicid)
+{
+       return apicid_2_node[hard_smp_processor_id()];
+}
+
+static inline int bigsmp_cpu_present_to_apicid(int mps_cpu)
+{
+       if (mps_cpu < nr_cpu_ids)
+               return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
+
+       return BAD_APICID;
+}
+
+static inline physid_mask_t bigsmp_apicid_to_cpu_present(int phys_apicid)
+{
+       return physid_mask_of_physid(phys_apicid);
+}
+
+extern u8 cpu_2_logical_apicid[];
+/* Mapping from cpu number to logical apicid */
+static inline int bigsmp_cpu_to_logical_apicid(int cpu)
+{
+       if (cpu >= nr_cpu_ids)
+               return BAD_APICID;
+       return cpu_physical_id(cpu);
+}
+
+static inline physid_mask_t bigsmp_ioapic_phys_id_map(physid_mask_t phys_map)
+{
+       /* For clustered we don't have a good way to do this yet - hack */
+       return physids_promote(0xFFL);
+}
+
+static inline void bigsmp_setup_portio_remap(void)
+{
+}
+
+static inline int bigsmp_check_phys_apicid_present(int boot_cpu_physical_apicid)
+{
+       return 1;
+}
+
+/* As we are using single CPU as destination, pick only one CPU here */
+static inline unsigned int bigsmp_cpu_mask_to_apicid(const cpumask_t *cpumask)
+{
+       return bigsmp_cpu_to_logical_apicid(first_cpu(*cpumask));
+}
+
+static inline unsigned int
+bigsmp_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
+                             const struct cpumask *andmask)
+{
+       int cpu;
+
+       /*
+        * We're using fixed IRQ delivery, can only return one phys APIC ID.
+        * May as well be the first.
+        */
+       for_each_cpu_and(cpu, cpumask, andmask) {
+               if (cpumask_test_cpu(cpu, cpu_online_mask))
+                       break;
+       }
+       if (cpu < nr_cpu_ids)
+               return bigsmp_cpu_to_logical_apicid(cpu);
+
+       return BAD_APICID;
+}
+
+static inline int bigsmp_phys_pkg_id(int cpuid_apic, int index_msb)
+{
+       return cpuid_apic >> index_msb;
+}
+
+void default_send_IPI_mask_sequence(const struct cpumask *mask, int vector);
+void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
+
+static inline void bigsmp_send_IPI_mask(const struct cpumask *mask, int vector)
+{
+       default_send_IPI_mask_sequence(mask, vector);
+}
+
+static inline void bigsmp_send_IPI_allbutself(int vector)
+{
+       default_send_IPI_mask_allbutself(cpu_online_mask, vector);
+}
+
+static inline void bigsmp_send_IPI_all(int vector)
+{
+       bigsmp_send_IPI_mask(cpu_online_mask, vector);
+}
 
 static int dmi_bigsmp; /* can be set by dmi scanners */
 
@@ -95,7 +250,7 @@ struct genapic apic_bigsmp = {
        .cpu_mask_to_apicid             = bigsmp_cpu_mask_to_apicid,
        .cpu_mask_to_apicid_and         = bigsmp_cpu_mask_to_apicid_and,
 
-       .send_IPI_mask                  = default_send_IPI_mask,
+       .send_IPI_mask                  = bigsmp_send_IPI_mask,
        .send_IPI_mask_allbutself       = NULL,
        .send_IPI_allbutself            = bigsmp_send_IPI_allbutself,
        .send_IPI_all                   = bigsmp_send_IPI_all,