1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
208 lines
4.8 KiB
C
208 lines
4.8 KiB
C
#ifndef __ASM_MACH_APIC_H
|
|
#define __ASM_MACH_APIC_H
|
|
|
|
extern u8 bios_cpu_apicid[];
|
|
|
|
#define xapic_phys_to_log_apicid(cpu) (bios_cpu_apicid[cpu])
|
|
#define esr_disable (1)
|
|
|
|
static inline int apic_id_registered(void)
|
|
{
|
|
return (1);
|
|
}
|
|
|
|
static inline cpumask_t target_cpus(void)
|
|
{
|
|
#if defined CONFIG_ES7000_CLUSTERED_APIC
|
|
return CPU_MASK_ALL;
|
|
#else
|
|
return cpumask_of_cpu(smp_processor_id());
|
|
#endif
|
|
}
|
|
#define TARGET_CPUS (target_cpus())
|
|
|
|
#if defined CONFIG_ES7000_CLUSTERED_APIC
|
|
#define APIC_DFR_VALUE (APIC_DFR_CLUSTER)
|
|
#define INT_DELIVERY_MODE (dest_LowestPrio)
|
|
#define INT_DEST_MODE (1) /* logical delivery broadcast to all procs */
|
|
#define NO_BALANCE_IRQ (1)
|
|
#undef WAKE_SECONDARY_VIA_INIT
|
|
#define WAKE_SECONDARY_VIA_MIP
|
|
#else
|
|
#define APIC_DFR_VALUE (APIC_DFR_FLAT)
|
|
#define INT_DELIVERY_MODE (dest_Fixed)
|
|
#define INT_DEST_MODE (0) /* phys delivery to target procs */
|
|
#define NO_BALANCE_IRQ (0)
|
|
#undef APIC_DEST_LOGICAL
|
|
#define APIC_DEST_LOGICAL 0x0
|
|
#define WAKE_SECONDARY_VIA_INIT
|
|
#endif
|
|
|
|
#define NO_IOAPIC_CHECK (1)
|
|
|
|
static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline unsigned long check_apicid_present(int bit)
|
|
{
|
|
return physid_isset(bit, phys_cpu_present_map);
|
|
}
|
|
|
|
#define apicid_cluster(apicid) (apicid & 0xF0)
|
|
|
|
static inline unsigned long calculate_ldr(int cpu)
|
|
{
|
|
unsigned long id;
|
|
id = xapic_phys_to_log_apicid(cpu);
|
|
return (SET_APIC_LOGICAL_ID(id));
|
|
}
|
|
|
|
/*
|
|
* 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 init_apic_ldr(void)
|
|
{
|
|
unsigned long val;
|
|
int cpu = smp_processor_id();
|
|
|
|
apic_write_around(APIC_DFR, APIC_DFR_VALUE);
|
|
val = calculate_ldr(cpu);
|
|
apic_write_around(APIC_LDR, val);
|
|
}
|
|
|
|
extern void es7000_sw_apic(void);
|
|
static inline void enable_apic_mode(void)
|
|
{
|
|
es7000_sw_apic();
|
|
return;
|
|
}
|
|
|
|
extern int apic_version [MAX_APICS];
|
|
static inline void clustered_apic_check(void)
|
|
{
|
|
int apic = bios_cpu_apicid[smp_processor_id()];
|
|
printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
|
|
(apic_version[apic] == 0x14) ?
|
|
"Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]);
|
|
}
|
|
|
|
static inline int multi_timer_check(int apic, int irq)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int apicid_to_node(int logical_apicid)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
static inline int cpu_present_to_apicid(int mps_cpu)
|
|
{
|
|
if (!mps_cpu)
|
|
return boot_cpu_physical_apicid;
|
|
else if (mps_cpu < NR_CPUS)
|
|
return (int) bios_cpu_apicid[mps_cpu];
|
|
else
|
|
return BAD_APICID;
|
|
}
|
|
|
|
static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
|
|
{
|
|
static int id = 0;
|
|
physid_mask_t mask;
|
|
mask = physid_mask_of_physid(id);
|
|
++id;
|
|
return mask;
|
|
}
|
|
|
|
extern u8 cpu_2_logical_apicid[];
|
|
/* Mapping from cpu number to logical apicid */
|
|
static inline int cpu_to_logical_apicid(int cpu)
|
|
{
|
|
if (cpu >= NR_CPUS)
|
|
return BAD_APICID;
|
|
return (int)cpu_2_logical_apicid[cpu];
|
|
}
|
|
|
|
static inline int mpc_apic_id(struct mpc_config_processor *m, struct mpc_config_translation *unused)
|
|
{
|
|
printk("Processor #%d %ld:%ld APIC version %d\n",
|
|
m->mpc_apicid,
|
|
(m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
|
|
(m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
|
|
m->mpc_apicver);
|
|
return (m->mpc_apicid);
|
|
}
|
|
|
|
static inline physid_mask_t 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(0xff);
|
|
}
|
|
|
|
|
|
static inline void setup_portio_remap(void)
|
|
{
|
|
}
|
|
|
|
extern unsigned int boot_cpu_physical_apicid;
|
|
static inline int check_phys_apicid_present(int cpu_physical_apicid)
|
|
{
|
|
boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
|
|
return (1);
|
|
}
|
|
|
|
static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
|
|
{
|
|
int num_bits_set;
|
|
int cpus_found = 0;
|
|
int cpu;
|
|
int apicid;
|
|
|
|
num_bits_set = cpus_weight(cpumask);
|
|
/* Return id to all */
|
|
if (num_bits_set == NR_CPUS)
|
|
#if defined CONFIG_ES7000_CLUSTERED_APIC
|
|
return 0xFF;
|
|
#else
|
|
return cpu_to_logical_apicid(0);
|
|
#endif
|
|
/*
|
|
* The cpus in the mask must all be on the apic cluster. If are not
|
|
* on the same apicid cluster return default value of TARGET_CPUS.
|
|
*/
|
|
cpu = first_cpu(cpumask);
|
|
apicid = cpu_to_logical_apicid(cpu);
|
|
while (cpus_found < num_bits_set) {
|
|
if (cpu_isset(cpu, cpumask)) {
|
|
int new_apicid = cpu_to_logical_apicid(cpu);
|
|
if (apicid_cluster(apicid) !=
|
|
apicid_cluster(new_apicid)){
|
|
printk ("%s: Not a valid mask!\n",__FUNCTION__);
|
|
#if defined CONFIG_ES7000_CLUSTERED_APIC
|
|
return 0xFF;
|
|
#else
|
|
return cpu_to_logical_apicid(0);
|
|
#endif
|
|
}
|
|
apicid = new_apicid;
|
|
cpus_found++;
|
|
}
|
|
cpu++;
|
|
}
|
|
return apicid;
|
|
}
|
|
|
|
static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
|
|
{
|
|
return cpuid_apic >> index_msb;
|
|
}
|
|
|
|
#endif /* __ASM_MACH_APIC_H */
|