1 #ifndef _ASM_X86_PLATFORM_H
2 #define _ASM_X86_PLATFORM_H
4 #include <asm/bootparam.h>
12 * struct x86_init_mpparse - platform specific mpparse ops
13 * @mpc_record: platform specific mpc record accounting
14 * @setup_ioapic_ids: platform specific ioapic id override
15 * @mpc_apic_id: platform specific mpc apic id assignment
16 * @smp_read_mpc_oem: platform specific oem mpc table setup
17 * @mpc_oem_pci_bus: platform specific pci bus setup (default NULL)
18 * @mpc_oem_bus_info: platform specific mpc bus info
19 * @find_smp_config: find the smp configuration
20 * @get_smp_config: get the smp configuration
22 struct x86_init_mpparse {
23 void (*mpc_record)(unsigned int mode);
24 void (*setup_ioapic_ids)(void);
25 int (*mpc_apic_id)(struct mpc_cpu *m);
26 void (*smp_read_mpc_oem)(struct mpc_table *mpc);
27 void (*mpc_oem_pci_bus)(struct mpc_bus *m);
28 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
29 void (*find_smp_config)(void);
30 void (*get_smp_config)(unsigned int early);
34 * struct x86_init_resources - platform specific resource related ops
35 * @probe_roms: probe BIOS roms
36 * @reserve_resources: reserve the standard resources for the
38 * @memory_setup: platform specific memory setup
41 struct x86_init_resources {
42 void (*probe_roms)(void);
43 void (*reserve_resources)(void);
44 char *(*memory_setup)(void);
48 * struct x86_init_irqs - platform specific interrupt setup
49 * @pre_vector_init: init code to run before interrupt vectors
51 * @intr_init: interrupt init code
52 * @trap_init: platform specific trap setup
54 struct x86_init_irqs {
55 void (*pre_vector_init)(void);
56 void (*intr_init)(void);
57 void (*trap_init)(void);
61 * struct x86_init_oem - oem platform specific customizing functions
62 * @arch_setup: platform specific architecure setup
63 * @banner: print a platform specific banner
66 void (*arch_setup)(void);
71 * struct x86_init_paging - platform specific paging functions
72 * @pagetable_init: platform specific paging initialization call to setup
73 * the kernel pagetables and prepare accessors functions.
74 * Callback must call paging_init(). Called once after the
75 * direct mapping for phys memory is available.
77 struct x86_init_paging {
78 void (*pagetable_init)(void);
82 * struct x86_init_timers - platform specific timer setup
83 * @setup_perpcu_clockev: set up the per cpu clock event device for the
85 * @tsc_pre_init: platform function called before TSC init
86 * @timer_init: initialize the platform timer (default PIT/HPET)
87 * @wallclock_init: init the wallclock device
89 struct x86_init_timers {
90 void (*setup_percpu_clockev)(void);
91 void (*tsc_pre_init)(void);
92 void (*timer_init)(void);
93 void (*wallclock_init)(void);
97 * struct x86_init_iommu - platform specific iommu setup
98 * @iommu_init: platform specific iommu setup
100 struct x86_init_iommu {
101 int (*iommu_init)(void);
105 * struct x86_init_pci - platform specific pci init functions
106 * @arch_init: platform specific pci arch init call
107 * @init: platform specific pci subsystem init
108 * @init_irq: platform specific pci irq init
109 * @fixup_irqs: platform specific pci irq fixup
111 struct x86_init_pci {
112 int (*arch_init)(void);
114 void (*init_irq)(void);
115 void (*fixup_irqs)(void);
119 * struct x86_init_ops - functions for platform specific setup
122 struct x86_init_ops {
123 struct x86_init_resources resources;
124 struct x86_init_mpparse mpparse;
125 struct x86_init_irqs irqs;
126 struct x86_init_oem oem;
127 struct x86_init_paging paging;
128 struct x86_init_timers timers;
129 struct x86_init_iommu iommu;
130 struct x86_init_pci pci;
134 * struct x86_cpuinit_ops - platform specific cpu hotplug setups
135 * @setup_percpu_clockev: set up the per cpu clock event device
136 * @early_percpu_clock_init: early init of the per cpu clock event device
138 struct x86_cpuinit_ops {
139 void (*setup_percpu_clockev)(void);
140 void (*early_percpu_clock_init)(void);
141 void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node);
147 * struct x86_platform_ops - platform specific runtime functions
148 * @calibrate_tsc: calibrate TSC
149 * @get_wallclock: get time from HW clock like RTC etc.
150 * @set_wallclock: set time back to HW clock
151 * @is_untracked_pat_range exclude from PAT logic
152 * @nmi_init enable NMI on cpus
153 * @i8042_detect pre-detect if i8042 controller exists
154 * @save_sched_clock_state: save state for sched_clock() on suspend
155 * @restore_sched_clock_state: restore state for sched_clock() on resume
156 * @apic_post_init: adjust apic if neeeded
158 struct x86_platform_ops {
159 unsigned long (*calibrate_tsc)(void);
160 void (*get_wallclock)(struct timespec *ts);
161 int (*set_wallclock)(const struct timespec *ts);
162 void (*iommu_shutdown)(void);
163 bool (*is_untracked_pat_range)(u64 start, u64 end);
164 void (*nmi_init)(void);
165 unsigned char (*get_nmi_reason)(void);
166 int (*i8042_detect)(void);
167 void (*save_sched_clock_state)(void);
168 void (*restore_sched_clock_state)(void);
169 void (*apic_post_init)(void);
175 int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type);
176 void (*teardown_msi_irq)(unsigned int irq);
177 void (*teardown_msi_irqs)(struct pci_dev *dev);
178 void (*restore_msi_irqs)(struct pci_dev *dev);
181 struct x86_io_apic_ops {
182 unsigned int (*read) (unsigned int apic, unsigned int reg);
183 void (*disable)(void);
186 extern struct x86_init_ops x86_init;
187 extern struct x86_cpuinit_ops x86_cpuinit;
188 extern struct x86_platform_ops x86_platform;
189 extern struct x86_msi_ops x86_msi;
190 extern struct x86_io_apic_ops x86_io_apic_ops;
191 extern void x86_init_noop(void);
192 extern void x86_init_uint_noop(unsigned int unused);