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/******************************************************************************
* save_types.h
*
* Copyright (c) 2007 Isaku Yamahata <yamahata at valinux co jp>
* VA Linux Systems Japan K.K.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __XEN_PUBLIC_HVM_SAVE_IA64_H__
#define __XEN_PUBLIC_HVM_SAVE_IA64_H__
#include "../../hvm/save.h"
#include "../../arch-ia64.h"
/*
* Save/restore header: general info about the save file.
*/
/* x86 uses 0x54381286 */
#define HVM_FILE_MAGIC 0x343641492f6e6558UL /* "Xen/IA64" */
#define HVM_FILE_VERSION 0x0000000000000001UL
struct hvm_save_header {
uint64_t magic; /* Must be HVM_FILE_MAGIC */
uint64_t version; /* File format version */
uint64_t changeset; /* Version of Xen that saved this file */
uint64_t cpuid[5]; /* CPUID[0x01][%eax] on the saving machine */
};
DECLARE_HVM_SAVE_TYPE(HEADER, 1, struct hvm_save_header);
/*
* CPU
*/
struct hvm_hw_ia64_cpu {
uint64_t ipsr;
};
DECLARE_HVM_SAVE_TYPE(CPU, 2, struct hvm_hw_ia64_cpu);
/*
* CPU
*/
struct hvm_hw_ia64_vpd {
struct vpd vpd;
};
DECLARE_HVM_SAVE_TYPE(VPD, 3, struct hvm_hw_ia64_vpd);
/*
* device dependency
* vacpi => viosapic => vlsapic
*/
/*
* vlsapic
*/
struct hvm_hw_ia64_vlsapic {
uint64_t insvc[4];
uint64_t vhpi; // ??? should this be saved in vpd
uint8_t xtp;
uint8_t pal_init_pending;
uint8_t pad[2];
};
DECLARE_HVM_SAVE_TYPE(VLSAPIC, 4, struct hvm_hw_ia64_vlsapic);
/* set
* unconditionaly set v->arch.irq_new_peding = 1
* unconditionaly set v->arch.irq_new_condition = 0
*/
/*
* vtime
*/
/* itc, itm, itv are saved by arch vcpu context */
struct hvm_hw_ia64_vtime {
uint64_t itc;
uint64_t itm;
uint64_t last_itc;
uint64_t pending;
};
DECLARE_HVM_SAVE_TYPE(VTIME, 5, struct hvm_hw_ia64_vtime);
/*
* calculate v->vtm.vtm_offset
* ??? Or should vtm_offset be set by leave_hypervisor_tail()?
* start vtm_timer if necessary by vtm_set_itm().
* ??? Or should vtm_timer be set by leave_hypervisor_tail()?
*
* ??? or should be done by schedule_tail()
* => schedule_tail() should do.
*/
/*
* viosapic
*/
#define VIOSAPIC_NUM_PINS 48
/* To share VT-d code which uses vioapic_redir_entry.
* Although on ia64 this is for vsapic, but we have to vioapic_redir_entry
* instead of viosapic_redir_entry.
*/
union vioapic_redir_entry
{
uint64_t bits;
struct {
uint8_t vector;
uint8_t delivery_mode : 3;
uint8_t reserve1 : 1;
uint8_t delivery_status: 1;
uint8_t polarity : 1;
uint8_t reserve2 : 1;
uint8_t trig_mode : 1;
uint8_t mask : 1;
uint8_t reserve3 : 7;
uint8_t reserved[3];
uint16_t dest_id;
} fields;
};
struct hvm_hw_ia64_viosapic {
uint64_t irr;
uint64_t isr;
uint32_t ioregsel;
uint32_t pad;
uint64_t lowest_vcpu_id;
uint64_t base_address;
union vioapic_redir_entry redirtbl[VIOSAPIC_NUM_PINS];
};
DECLARE_HVM_SAVE_TYPE(VIOSAPIC, 6, struct hvm_hw_ia64_viosapic);
/*
* vacpi
* PM timer
*/
struct vacpi_regs {
union {
struct {
uint32_t pm1a_sts:16;/* PM1a_EVT_BLK.PM1a_STS: status register */
uint32_t pm1a_en:16; /* PM1a_EVT_BLK.PM1a_EN: enable register */
};
uint32_t evt_blk;
};
uint32_t tmr_val; /* PM_TMR_BLK.TMR_VAL: 32bit free-running counter */
};
struct hvm_hw_ia64_vacpi {
struct vacpi_regs regs;
};
DECLARE_HVM_SAVE_TYPE(VACPI, 7, struct hvm_hw_ia64_vacpi);
/* update last_gtime and setup timer of struct vacpi */
/*
* opt_feature: identity mapping of region 4, 5 and 7.
* With the c/s 16396:d2935f9c217f of xen-ia64-devel.hg,
* opt_feature hypercall supports only region 4,5,7 identity mappings.
* structure hvm_hw_ia64_identity_mappings only supports them.
* The new structure, struct hvm_hw_ia64_identity_mappings, is created to
* avoid to keep up with change of the xen/ia64 internal structure, struct
* opt_feature.
*
* If it is enhanced in the future, new structure will be created.
*/
struct hvm_hw_ia64_identity_mapping {
uint64_t on; /* on/off */
uint64_t pgprot; /* The page protection bit mask of the pte. */
uint64_t key; /* A protection key. */
};
struct hvm_hw_ia64_identity_mappings {
struct hvm_hw_ia64_identity_mapping im_reg4;/* Region 4 identity mapping */
struct hvm_hw_ia64_identity_mapping im_reg5;/* Region 5 identity mapping */
struct hvm_hw_ia64_identity_mapping im_reg7;/* Region 7 identity mapping */
};
DECLARE_HVM_SAVE_TYPE(OPT_FEATURE_IDENTITY_MAPPINGS, 8, struct hvm_hw_ia64_identity_mappings);
/*
* Largest type-code in use
*/
#define HVM_SAVE_CODE_MAX 8
#endif /* __XEN_PUBLIC_HVM_SAVE_IA64_H__ */
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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