arch/x86/kernel/platform/i86pc/include/sys/cpr_wakecode.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _CPR_WC_H
  28 #define _CPR_WC_H
  29
  30 #ifdef  __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 #define WC_CODESIZE     0x400
  35
  36 #if ! defined(_ASM)
  37
  38 #include <sys/rm_platter.h>
  39 #include <sys/psm_types.h>
  40
  41 typedef struct wc_cpu {
  42         uint64_t wc_retaddr;
  43         uint64_t wc_virtaddr;
  44         uint64_t wc_cr0;
  45         uint64_t wc_cr3;
  46         uint64_t wc_cr4;
  47         uint64_t wc_cr8;
  48         uint64_t wc_fs;
  49         uint64_t wc_fsbase;
  50         uint64_t wc_gs;
  51         uint64_t wc_gsbase;
  52         uint64_t wc_kgsbase;
  53         uint64_t wc_r8;
  54         uint64_t wc_r9;
  55         uint64_t wc_r10;
  56         uint64_t wc_r11;
  57         uint64_t wc_r12;
  58         uint64_t wc_r13;
  59         uint64_t wc_r14;
  60         uint64_t wc_r15;
  61         uint64_t wc_rax;
  62         uint64_t wc_rbp;
  63         uint64_t wc_rbx;
  64         uint64_t wc_rcx;
  65         uint64_t wc_rdi;
  66         uint64_t wc_rdx;
  67         uint64_t wc_rsi;
  68         uint64_t wc_rsp;
  69
  70 #if defined(__amd64)
  71         /*
  72          * The compiler will want to 64-bit align the 64-bit rm_gdt_base
  73          * pointer, so we need to add an extra four bytes of padding here to
  74          * make sure rm_gdt_lim and rm_gdt_base will align to create a proper
  75          * ten byte GDT pseudo-descriptor.
  76          */
  77 uint32_t wc_gdt_pad1;
  78 #endif
  79         ushort_t wc_gdt_pad2;
  80         ushort_t wc_gdt_limit;
  81         user_desc_t *wc_gdt_base;
  82
  83 #if defined(__amd64)
  84         /*
  85          * The compiler will want to 64-bit align the 64-bit rm_idt_base
  86          * pointer, so we need to add an extra four bytes of padding here to
  87          * make sure rm_idt_lim and rm_idt_base will align to create a proper
  88          * ten byte IDT pseudo-descriptor.
  89          */
  90 uint32_t wc_idt_pad1;
  91 #endif
  92         ushort_t wc_idt_pad2;
  93         ushort_t wc_idt_limit;
  94         user_desc_t *wc_idt_base;
  95
  96 #if defined(__amd64)
  97         uint64_t wc_tr;
  98         uint64_t wc_ldt;
  99         uint64_t wc_eflags;
 100 #else
 101         uint32_t wc_tr;
 102         uint32_t wc_ldt;
 103         uint32_t wc_eflags;
 104 #endif
 105
 106         uint32_t wc_ebx;
 107         uint32_t wc_edi;
 108         uint32_t wc_esi;
 109         uint32_t wc_ebp;
 110         uint32_t wc_esp;
 111         uint16_t wc_ss;
 112         uint16_t wc_cs;
 113         uint16_t wc_ds;
 114         uint16_t wc_es;
 115         psm_state_request_t     wc_apic_state;
 116         processorid_t   wc_cpu_id;      /* which CPU are we running on */
 117         greg_t  *wc_saved_stack; /* pointer to where stack contents are saved */
 118         size_t  wc_saved_stack_size;    /* size of the saved stack */
 119
 120
 121         /* temp stack grows down to here */
 122 } wc_cpu_t;
 123
 124 typedef struct wc_wakecode {
 125         rm_platter_t    wc_platter;
 126         wc_cpu_t        wc_cpu;
 127
 128         /* temp stack grows down to here */
 129 } wakecode_t;
 130
 131 /*
 132  * this is NOT correctly aligned, see description of idt & gdt, limit and
 133  * base in wc_cpu_t above
 134  */
 135 typedef struct wc_desctbr {
 136         ushort_t        limit;
 137         void            *base;
 138 } wc_desctbr_t;
 139
 140 extern int      wc_save_context(wc_cpu_t *);
 141 extern void     wc_rm_start(void);
 142 extern void     wc_rm_end(void);
 143 extern void     (*cpr_start_cpu_func)(void);
 144
 145 #endif  /* ! defined(_ASM) */
 146
 147 #define WC_STKSTART     0x7fc   /* end of rm_platter page */
 148
 149 #ifdef  __cplusplus
 150 }
 151 #endif
 152
 153 #endif  /* _CPR_WC_H */