arch/x86/include/asm/es7000/apic.h

   1 #ifndef __ASM_ES7000_APIC_H
   2 #define __ASM_ES7000_APIC_H
   3
   4 #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu)
   5 #define esr_disable (1)
   6
   7 static inline int apic_id_registered(void)
   8 {
   9                 return (1);
  10 }
  11
  12 static inline const cpumask_t *target_cpus_cluster(void)
  13 {
  14         return &CPU_MASK_ALL;
  15 }
  16
  17 static inline const cpumask_t *target_cpus(void)
  18 {
  19         return &cpumask_of_cpu(smp_processor_id());
  20 }
  21
  22 #define APIC_DFR_VALUE_CLUSTER          (APIC_DFR_CLUSTER)
  23 #define INT_DELIVERY_MODE_CLUSTER       (dest_LowestPrio)
  24 #define INT_DEST_MODE_CLUSTER           (1) /* logical delivery broadcast to all procs */
  25 #define NO_BALANCE_IRQ_CLUSTER          (1)
  26
  27 #define APIC_DFR_VALUE          (APIC_DFR_FLAT)
  28 #define INT_DELIVERY_MODE       (dest_Fixed)
  29 #define INT_DEST_MODE           (0)    /* phys delivery to target procs */
  30 #define NO_BALANCE_IRQ          (0)
  31 #undef  APIC_DEST_LOGICAL
  32 #define APIC_DEST_LOGICAL       0x0
  33
  34 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
  35 {
  36         return 0;
  37 }
  38 static inline unsigned long check_apicid_present(int bit)
  39 {
  40         return physid_isset(bit, phys_cpu_present_map);
  41 }
  42
  43 #define apicid_cluster(apicid) (apicid & 0xF0)
  44
  45 static inline unsigned long calculate_ldr(int cpu)
  46 {
  47         unsigned long id;
  48         id = xapic_phys_to_log_apicid(cpu);
  49         return (SET_APIC_LOGICAL_ID(id));
  50 }
  51
  52 /*
  53  * Set up the logical destination ID.
  54  *
  55  * Intel recommends to set DFR, LdR and TPR before enabling
  56  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
  57  * document number 292116).  So here it goes...
  58  */
  59 static inline void init_apic_ldr_cluster(void)
  60 {
  61         unsigned long val;
  62         int cpu = smp_processor_id();
  63
  64         apic_write(APIC_DFR, APIC_DFR_VALUE_CLUSTER);
  65         val = calculate_ldr(cpu);
  66         apic_write(APIC_LDR, val);
  67 }
  68
  69 static inline void init_apic_ldr(void)
  70 {
  71         unsigned long val;
  72         int cpu = smp_processor_id();
  73
  74         apic_write(APIC_DFR, APIC_DFR_VALUE);
  75         val = calculate_ldr(cpu);
  76         apic_write(APIC_LDR, val);
  77 }
  78
  79 extern int apic_version [MAX_APICS];
  80 static inline void setup_apic_routing(void)
  81 {
  82         int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
  83         printk("Enabling APIC mode:  %s. Using %d I/O APICs, target cpus %lx\n",
  84                 (apic_version[apic] == 0x14) ?
  85                         "Physical Cluster" : "Logical Cluster",
  86                         nr_ioapics, cpus_addr(*target_cpus())[0]);
  87 }
  88
  89 static inline int multi_timer_check(int apic, int irq)
  90 {
  91         return 0;
  92 }
  93
  94 static inline int apicid_to_node(int logical_apicid)
  95 {
  96         return 0;
  97 }
  98
  99
 100 static inline int cpu_present_to_apicid(int mps_cpu)
 101 {
 102         if (!mps_cpu)
 103                 return boot_cpu_physical_apicid;
 104         else if (mps_cpu < nr_cpu_ids)
 105                 return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
 106         else
 107                 return BAD_APICID;
 108 }
 109
 110 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
 111 {
 112         static int id = 0;
 113         physid_mask_t mask;
 114         mask = physid_mask_of_physid(id);
 115         ++id;
 116         return mask;
 117 }
 118
 119 extern u8 cpu_2_logical_apicid[];
 120 /* Mapping from cpu number to logical apicid */
 121 static inline int cpu_to_logical_apicid(int cpu)
 122 {
 123 #ifdef CONFIG_SMP
 124         if (cpu >= nr_cpu_ids)
 125                 return BAD_APICID;
 126         return (int)cpu_2_logical_apicid[cpu];
 127 #else
 128         return logical_smp_processor_id();
 129 #endif
 130 }
 131
 132 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
 133 {
 134         /* For clustered we don't have a good way to do this yet - hack */
 135         return physids_promote(0xff);
 136 }
 137
 138
 139 static inline void setup_portio_remap(void)
 140 {
 141 }
 142
 143 extern unsigned int boot_cpu_physical_apicid;
 144 static inline int check_phys_apicid_present(int cpu_physical_apicid)
 145 {
 146         boot_cpu_physical_apicid = read_apic_id();
 147         return (1);
 148 }
 149
 150 static inline unsigned int
 151 cpu_mask_to_apicid_cluster(const struct cpumask *cpumask)
 152 {
 153         int num_bits_set;
 154         int cpus_found = 0;
 155         int cpu;
 156         int apicid;
 157
 158         num_bits_set = cpumask_weight(cpumask);
 159         /* Return id to all */
 160         if (num_bits_set == nr_cpu_ids)
 161                 return 0xFF;
 162         /*
 163          * The cpus in the mask must all be on the apic cluster.  If are not
 164          * on the same apicid cluster return default value of TARGET_CPUS.
 165          */
 166         cpu = cpumask_first(cpumask);
 167         apicid = cpu_to_logical_apicid(cpu);
 168         while (cpus_found < num_bits_set) {
 169                 if (cpumask_test_cpu(cpu, cpumask)) {
 170                         int new_apicid = cpu_to_logical_apicid(cpu);
 171                         if (apicid_cluster(apicid) !=
 172                                         apicid_cluster(new_apicid)){
 173                                 printk ("%s: Not a valid mask!\n", __func__);
 174                                 return 0xFF;
 175                         }
 176                         apicid = new_apicid;
 177                         cpus_found++;
 178                 }
 179                 cpu++;
 180         }
 181         return apicid;
 182 }
 183
 184 static inline unsigned int cpu_mask_to_apicid(const cpumask_t *cpumask)
 185 {
 186         int num_bits_set;
 187         int cpus_found = 0;
 188         int cpu;
 189         int apicid;
 190
 191         num_bits_set = cpus_weight(*cpumask);
 192         /* Return id to all */
 193         if (num_bits_set == nr_cpu_ids)
 194                 return cpu_to_logical_apicid(0);
 195         /*
 196          * The cpus in the mask must all be on the apic cluster.  If are not
 197          * on the same apicid cluster return default value of TARGET_CPUS.
 198          */
 199         cpu = first_cpu(*cpumask);
 200         apicid = cpu_to_logical_apicid(cpu);
 201         while (cpus_found < num_bits_set) {
 202                 if (cpu_isset(cpu, *cpumask)) {
 203                         int new_apicid = cpu_to_logical_apicid(cpu);
 204                         if (apicid_cluster(apicid) !=
 205                                         apicid_cluster(new_apicid)){
 206                                 printk ("%s: Not a valid mask!\n", __func__);
 207                                 return cpu_to_logical_apicid(0);
 208                         }
 209                         apicid = new_apicid;
 210                         cpus_found++;
 211                 }
 212                 cpu++;
 213         }
 214         return apicid;
 215 }
 216
 217
 218 static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *inmask,
 219                                                   const struct cpumask *andmask)
 220 {
 221         int apicid = cpu_to_logical_apicid(0);
 222         cpumask_var_t cpumask;
 223
 224         if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC))
 225                 return apicid;
 226
 227         cpumask_and(cpumask, inmask, andmask);
 228         cpumask_and(cpumask, cpumask, cpu_online_mask);
 229         apicid = cpu_mask_to_apicid(cpumask);
 230
 231         free_cpumask_var(cpumask);
 232         return apicid;
 233 }
 234
 235 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
 236 {
 237         return cpuid_apic >> index_msb;
 238 }
 239
 240 #endif /* __ASM_ES7000_APIC_H */