2 * Jailhouse, a Linux-based partitioning hypervisor
4 * Copyright (c) Siemens AG, 2013
7 * Jan Kiszka <jan.kiszka@siemens.com>
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
13 #define HEAP_BASE 0x000000
14 #define FSEGMENT_BASE 0x0f0000
15 #define COMM_REGION_BASE 0x100000
17 #define INMATE_CS32 0x8
18 #define INMATE_CS64 0x10
19 #define INMATE_DS32 0x18
21 #define NS_PER_MSEC 1000000UL
22 #define NS_PER_SEC 1000000000UL
24 #define PAGE_SIZE (4 * 1024ULL)
26 #define HUGE_PAGE_SIZE (2 * 1024 * 1024ULL)
28 #define HUGE_PAGE_SIZE (4 * 1024 * 1024ULL)
30 #define PAGE_MASK (~(PAGE_SIZE - 1))
31 #define HUGE_PAGE_MASK (~(HUGE_PAGE_SIZE - 1))
33 #define X2APIC_ID 0x802
35 #define PCI_CFG_VENDOR_ID 0x000
36 #define PCI_CFG_DEVICE_ID 0x002
37 #define PCI_CFG_COMMAND 0x004
38 # define PCI_CMD_IO (1 << 0)
39 # define PCI_CMD_MEM (1 << 1)
40 # define PCI_CMD_MASTER (1 << 2)
41 # define PCI_CMD_INTX_OFF (1 << 10)
42 #define PCI_CFG_STATUS 0x006
43 # define PCI_STS_INT (1 << 3)
44 #define PCI_CFG_BAR 0x010
45 #define PCI_CFG_CAP_PTR 0x034
47 #define PCI_ID_ANY 0xffff
49 #define PCI_CAP_MSI 0x05
52 typedef signed char s8;
53 typedef unsigned char u8;
55 typedef signed short s16;
56 typedef unsigned short u16;
58 typedef signed int s32;
59 typedef unsigned int u32;
61 typedef signed long long s64;
62 typedef unsigned long long u64;
76 typedef enum { true=1, false=0 } bool;
78 static inline void cpu_relax(void)
80 asm volatile("rep; nop" : : : "memory");
83 static inline void outb(u8 v, u16 port)
85 asm volatile("outb %0,%1" : : "a" (v), "dN" (port));
88 static inline void outw(u16 v, u16 port)
90 asm volatile("outw %0,%1" : : "a" (v), "dN" (port));
93 static inline void outl(u32 v, u16 port)
95 asm volatile("outl %0,%1" : : "a" (v), "dN" (port));
98 static inline u8 inb(u16 port)
101 asm volatile("inb %1,%0" : "=a" (v) : "dN" (port));
105 static inline u16 inw(u16 port)
108 asm volatile("inw %1,%0" : "=a" (v) : "dN" (port));
112 static inline u32 inl(u16 port)
115 asm volatile("inl %1,%0" : "=a" (v) : "dN" (port));
119 static inline u8 mmio_read8(void *address)
121 return *(volatile u8 *)address;
124 static inline u16 mmio_read16(void *address)
126 return *(volatile u16 *)address;
129 static inline u32 mmio_read32(void *address)
133 /* assembly-encoded to match the hypervisor MMIO parser support */
134 asm volatile("movl (%1),%0" : "=r" (value) : "r" (address));
138 static inline u64 mmio_read64(void *address)
140 return *(volatile u64 *)address;
143 static inline void mmio_write8(void *address, u8 value)
145 *(volatile u8 *)address = value;
148 static inline void mmio_write16(void *address, u16 value)
150 *(volatile u16 *)address = value;
153 static inline void mmio_write32(void *address, u32 value)
155 /* assembly-encoded to match the hypervisor MMIO parser support */
156 asm volatile("movl %0,(%1)" : : "r" (value), "r" (address));
159 static inline void mmio_write64(void *address, u64 value)
161 *(volatile u64 *)address = value;
164 static inline u64 read_msr(unsigned int msr)
168 asm volatile("rdmsr" : "=a" (low), "=d" (high) : "c" (msr));
169 return low | ((u64)high << 32);
172 static inline void write_msr(unsigned int msr, u64 val)
176 : "c" (msr), "a" (val), "d" (val >> 32)
180 static inline unsigned int cpu_id(void)
182 return read_msr(X2APIC_ID);
185 #include <jailhouse/hypercall.h>
187 #define comm_region ((struct jailhouse_comm_region *)COMM_REGION_BASE)
189 extern unsigned int printk_uart_base;
190 void printk(const char *fmt, ...);
192 void *memset(void *s, int c, unsigned long n);
194 typedef void(*int_handler_t)(void);
197 void int_set_handler(unsigned int vector, int_handler_t handler);
199 enum ioapic_trigger_mode {
201 TRIGGER_LEVEL_ACTIVE_HIGH = 1 << 15,
202 TRIGGER_LEVEL_ACTIVE_LOW = (1 << 15) | (1 << 13),
205 void ioapic_init(void);
206 void ioapic_pin_set_vector(unsigned int pin,
207 enum ioapic_trigger_mode trigger_mode,
208 unsigned int vector);
210 void inmate_main(void);
212 unsigned long pm_timer_read(void);
213 unsigned long apic_timer_init(unsigned int vector);
214 void apic_timer_set(unsigned long timeout_ns);
216 enum map_type { MAP_CACHED, MAP_UNCACHED };
218 void *alloc(unsigned long size, unsigned long align);
219 void map_range(void *start, unsigned long size, enum map_type map_type);
221 u32 pci_read_config(u16 bdf, unsigned int addr, unsigned int size);
222 void pci_write_config(u16 bdf, unsigned int addr, u32 value,
224 int pci_find_device(u16 vendor, u16 device);
225 int pci_find_cap(u16 bdf, u16 cap);
226 void pci_msi_set_vector(u16 bdf, unsigned int vector);