0,0 → 1,252 |
/* |
* 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_ |
|
#include <arch/types.h> |
#include <macros.h> |
|
typedef uint16_t domid_t; |
|
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 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_VM_ASSIST 21 |
#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 |
|
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#define EVTCHNOP_SEND 4 |
|
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#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 */ |
|
|
/* |
* Commands to XEN_VM_ASSIST |
*/ |
#define VMASST_CMD_ENABLE 0 |
#define VMASST_CMD_DISABLE 1 |
#define VMASST_TYPE_4GB_SEGMENTS 0 |
#define VMASST_TYPE_4GB_SEGMENTS_NOTIFY 1 |
#define VMASST_TYPE_WRITABLE_PAGETABLES 2 |
|
|
#define DOMID_SELF (0x7FF0U) |
#define DOMID_IO (0x7FF1U) |
|
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#define force_evtchn_callback() ((void) xen_version(0, 0)) |
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#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; \ |
}) |
|
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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_vm_assist(const unsigned int cmd, const unsigned int type) |
{ |
return hypercall2(XEN_VM_ASSIST, cmd, type); |
} |
|
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); |
} |
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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 |