| 0,0 → 1,381 |
|---|
| /* |
| * Copyright (c) 2006 Martin Decky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef KERN_ia32xen_HYPERCALL_H_ |
| #define KERN_ia32xen_HYPERCALL_H_ |
| |
| #ifndef __ASM__ |
| # include <arch/types.h> |
| # include <macros.h> |
| #endif |
| |
| #define GUEST_CMDLINE 1024 |
| #define VIRT_CPUS 32 |
| #define START_INFO_SIZE 1104 |
| |
| #define BOOT_OFFSET 0x0000 |
| #define TEMP_STACK_SIZE 0x1000 |
| |
| #define XEN_VIRT_START 0xFC000000 |
| #define XEN_CS 0xe019 |
| |
| #define XEN_ELFNOTE_INFO 0 |
| #define XEN_ELFNOTE_ENTRY 1 |
| #define XEN_ELFNOTE_HYPERCALL_PAGE 2 |
| #define XEN_ELFNOTE_VIRT_BASE 3 |
| #define XEN_ELFNOTE_PADDR_OFFSET 4 |
| #define XEN_ELFNOTE_XEN_VERSION 5 |
| #define XEN_ELFNOTE_GUEST_OS 6 |
| #define XEN_ELFNOTE_GUEST_VERSION 7 |
| #define XEN_ELFNOTE_LOADER 8 |
| #define XEN_ELFNOTE_PAE_MODE 9 |
| #define XEN_ELFNOTE_FEATURES 10 |
| #define XEN_ELFNOTE_BSD_SYMTAB 11 |
| |
| #define mp_map ((pfn_t *) XEN_VIRT_START) |
| |
| #define SIF_PRIVILEGED (1 << 0) /**< Privileged domain */ |
| #define SIF_INITDOMAIN (1 << 1) /**< Iinitial control domain */ |
| |
| #define XEN_CONSOLE_VGA 0x03 |
| #define XEN_CONSOLE_VESA 0x23 |
| |
| #define XEN_SET_TRAP_TABLE 0 |
| #define XEN_MMU_UPDATE 1 |
| #define XEN_SET_CALLBACKS 4 |
| #define XEN_UPDATE_VA_MAPPING 14 |
| #define XEN_EVENT_CHANNEL_OP 16 |
| #define XEN_VERSION 17 |
| #define XEN_CONSOLE_IO 18 |
| #define XEN_MMUEXT_OP 26 |
| |
| |
| /* |
| * Commands for XEN_CONSOLE_IO |
| */ |
| #define CONSOLE_IO_WRITE 0 |
| #define CONSOLE_IO_READ 1 |
| |
| |
| #define MMUEXT_PIN_L1_TABLE 0 |
| #define MMUEXT_PIN_L2_TABLE 1 |
| #define MMUEXT_PIN_L3_TABLE 2 |
| #define MMUEXT_PIN_L4_TABLE 3 |
| #define MMUEXT_UNPIN_TABLE 4 |
| #define MMUEXT_NEW_BASEPTR 5 |
| #define MMUEXT_TLB_FLUSH_LOCAL 6 |
| #define MMUEXT_INVLPG_LOCAL 7 |
| #define MMUEXT_TLB_FLUSH_MULTI 8 |
| #define MMUEXT_INVLPG_MULTI 9 |
| #define MMUEXT_TLB_FLUSH_ALL 10 |
| #define MMUEXT_INVLPG_ALL 11 |
| #define MMUEXT_FLUSH_CACHE 12 |
| #define MMUEXT_SET_LDT 13 |
| #define MMUEXT_NEW_USER_BASEPTR 15 |
| |
| |
| #define EVTCHNOP_SEND 4 |
| |
| |
| #define UVMF_NONE 0 /**< No flushing at all */ |
| #define UVMF_TLB_FLUSH 1 /**< Flush entire TLB(s) */ |
| #define UVMF_INVLPG 2 /**< Flush only one entry */ |
| #define UVMF_FLUSHTYPE_MASK 3 |
| #define UVMF_MULTI 0 /**< Flush subset of TLBs */ |
| #define UVMF_LOCAL 0 /**< Flush local TLB */ |
| #define UVMF_ALL (1 << 2) /**< Flush all TLBs */ |
| |
| |
| #define DOMID_SELF (0x7FF0U) |
| #define DOMID_IO (0x7FF1U) |
| |
| #ifndef __ASM__ |
| |
| typedef uint16_t domid_t; |
| typedef uint32_t evtchn_t; |
| |
| typedef struct { |
| uint32_t version; |
| uint32_t pad0; |
| uint64_t tsc_timestamp; /**< TSC at last update of time vals */ |
| uint64_t system_time; /**< Time, in nanosecs, since boot */ |
| uint32_t tsc_to_system_mul; |
| int8_t tsc_shift; |
| int8_t pad1[3]; |
| } vcpu_time_info_t; |
| |
| typedef struct { |
| uint32_t cr2; |
| uint32_t pad[5]; |
| } arch_vcpu_info_t; |
| |
| typedef struct arch_shared_info { |
| pfn_t max_pfn; /**< max pfn that appears in table */ |
| uint32_t pfn_to_mfn_frame_list_list; |
| uint32_t nmi_reason; |
| } arch_shared_info_t; |
| |
| typedef struct { |
| uint8_t evtchn_upcall_pending; |
| ipl_t evtchn_upcall_mask; |
| evtchn_t evtchn_pending_sel; |
| arch_vcpu_info_t arch; |
| vcpu_time_info_t time; |
| } vcpu_info_t; |
| |
| typedef struct { |
| vcpu_info_t vcpu_info[VIRT_CPUS]; |
| evtchn_t evtchn_pending[32]; |
| evtchn_t evtchn_mask[32]; |
| |
| uint32_t wc_version; /**< Version counter */ |
| uint32_t wc_sec; /**< Secs 00:00:00 UTC, Jan 1, 1970 */ |
| uint32_t wc_nsec; /**< Nsecs 00:00:00 UTC, Jan 1, 1970 */ |
| |
| arch_shared_info_t arch; |
| } shared_info_t; |
| |
| typedef struct { |
| int8_t magic[32]; /**< "xen-<version>-<platform>" */ |
| uint32_t frames; /**< Available frames */ |
| shared_info_t *shared_info; /**< Shared info structure (machine address) */ |
| uint32_t flags; /**< SIF_xxx flags */ |
| pfn_t store_mfn; /**< Shared page (machine page) */ |
| evtchn_t store_evtchn; /**< Event channel for store communication */ |
| |
| union { |
| struct { |
| pfn_t mfn; /**< Console page (machine page) */ |
| evtchn_t evtchn; /**< Event channel for console messages */ |
| } domU; |
| |
| struct { |
| uint32_t info_off; /**< Offset of console_info struct */ |
| uint32_t info_size; /**< Size of console_info struct from start */ |
| } dom0; |
| } console; |
| |
| pte_t *ptl0; /**< Boot PTL0 (kernel address) */ |
| uint32_t pt_frames; /**< Number of bootstrap page table frames */ |
| pfn_t *pm_map; /**< Physical->machine frame map (kernel address) */ |
| void *mod_start; /**< Modules start (kernel address) */ |
| uint32_t mod_len; /**< Modules size (bytes) */ |
| int8_t cmd_line[GUEST_CMDLINE]; |
| } start_info_t; |
| |
| typedef struct { |
| uint8_t video_type; |
| |
| union { |
| struct { |
| uint16_t font_height; |
| uint16_t cursor_x; |
| uint16_t cursor_y; |
| uint16_t rows; |
| uint16_t columns; |
| } vga; |
| |
| struct { |
| uint16_t width; |
| uint16_t height; |
| uint16_t bytes_per_line; |
| uint16_t bits_per_pixel; |
| uint32_t lfb_base; |
| uint32_t lfb_size; |
| uint8_t red_pos; |
| uint8_t red_size; |
| uint8_t green_pos; |
| uint8_t green_size; |
| uint8_t blue_pos; |
| uint8_t blue_size; |
| uint8_t rsvd_pos; |
| uint8_t rsvd_size; |
| } vesa_lfb; |
| } info; |
| } console_info_t; |
| |
| typedef struct { |
| pfn_t start; |
| pfn_t size; |
| pfn_t reserved; |
| } memzone_t; |
| |
| extern start_info_t start_info; |
| extern shared_info_t shared_info; |
| extern memzone_t meminfo; |
| |
| typedef struct { |
| uint8_t vector; /**< Exception vector */ |
| uint8_t flags; /**< 0-3: privilege level; 4: clear event enable */ |
| uint16_t cs; /**< Code selector */ |
| void *address; /**< Code offset */ |
| } trap_info_t; |
| |
| typedef struct { |
| evtchn_t port; |
| } evtchn_send_t; |
| |
| typedef struct { |
| uint32_t cmd; |
| union { |
| evtchn_send_t send; |
| }; |
| } evtchn_op_t; |
| |
| #define force_evtchn_callback() ((void) xen_version(0, 0)) |
| |
| #define hypercall0(id) \ |
| ({ \ |
| unative_t ret; \ |
| asm volatile ( \ |
| "call hypercall_page + (" STRING(id) " * 32)\n" \ |
| : "=a" (ret) \ |
| : \ |
| : "memory" \ |
| ); \ |
| ret; \ |
| }) |
| |
| #define hypercall1(id, p1) \ |
| ({ \ |
| unative_t ret, __ign1; \ |
| asm volatile ( \ |
| "call hypercall_page + (" STRING(id) " * 32)\n" \ |
| : "=a" (ret), \ |
| "=b" (__ign1) \ |
| : "1" (p1) \ |
| : "memory" \ |
| ); \ |
| ret; \ |
| }) |
| |
| #define hypercall2(id, p1, p2) \ |
| ({ \ |
| unative_t ret, __ign1, __ign2; \ |
| asm volatile ( \ |
| "call hypercall_page + (" STRING(id) " * 32)\n" \ |
| : "=a" (ret), \ |
| "=b" (__ign1), \ |
| "=c" (__ign2) \ |
| : "1" (p1), \ |
| "2" (p2) \ |
| : "memory" \ |
| ); \ |
| ret; \ |
| }) |
| |
| #define hypercall3(id, p1, p2, p3) \ |
| ({ \ |
| unative_t ret, __ign1, __ign2, __ign3; \ |
| asm volatile ( \ |
| "call hypercall_page + (" STRING(id) " * 32)\n" \ |
| : "=a" (ret), \ |
| "=b" (__ign1), \ |
| "=c" (__ign2), \ |
| "=d" (__ign3) \ |
| : "1" (p1), \ |
| "2" (p2), \ |
| "3" (p3) \ |
| : "memory" \ |
| ); \ |
| ret; \ |
| }) |
| |
| #define hypercall4(id, p1, p2, p3, p4) \ |
| ({ \ |
| unative_t ret, __ign1, __ign2, __ign3, __ign4; \ |
| asm volatile ( \ |
| "call hypercall_page + (" STRING(id) " * 32)\n" \ |
| : "=a" (ret), \ |
| "=b" (__ign1), \ |
| "=c" (__ign2), \ |
| "=d" (__ign3), \ |
| "=S" (__ign4) \ |
| : "1" (p1), \ |
| "2" (p2), \ |
| "3" (p3), \ |
| "4" (p4) \ |
| : "memory" \ |
| ); \ |
| ret; \ |
| }) |
| |
| #define hypercall5(id, p1, p2, p3, p4, p5) \ |
| ({ \ |
| unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5; \ |
| asm volatile ( \ |
| "call hypercall_page + (" STRING(id) " * 32)\n" \ |
| : "=a" (ret), \ |
| "=b" (__ign1), \ |
| "=c" (__ign2), \ |
| "=d" (__ign3), \ |
| "=S" (__ign4), \ |
| "=D" (__ign5) \ |
| : "1" (p1), \ |
| "2" (p2), \ |
| "3" (p3), \ |
| "4" (p4), \ |
| "5" (p5) \ |
| : "memory" \ |
| ); \ |
| ret; \ |
| }) |
| |
| |
| static inline int xen_console_io(const unsigned int cmd, const unsigned int count, const char *str) |
| { |
| return hypercall3(XEN_CONSOLE_IO, cmd, count, str); |
| } |
| |
| static inline int xen_set_callbacks(const unsigned int event_selector, const void *event_address, const unsigned int failsafe_selector, void *failsafe_address) |
| { |
| return hypercall4(XEN_SET_CALLBACKS, event_selector, event_address, failsafe_selector, failsafe_address); |
| } |
| |
| static inline int xen_set_trap_table(const trap_info_t *table) |
| { |
| return hypercall1(XEN_SET_TRAP_TABLE, table); |
| } |
| |
| static inline int xen_version(const unsigned int cmd, const void *arg) |
| { |
| return hypercall2(XEN_VERSION, cmd, arg); |
| } |
| |
| static inline int xen_notify_remote(evtchn_t channel) |
| { |
| evtchn_op_t op; |
| |
| op.cmd = EVTCHNOP_SEND; |
| op.send.port = channel; |
| return hypercall1(XEN_EVENT_CHANNEL_OP, &op); |
| } |
| |
| #endif |
| |
| #endif |