347 lines
11 KiB
C
347 lines
11 KiB
C
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/******************************************************************************
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* arch-ia64/hypervisor-if.h
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*
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* Guest OS interface to IA64 Xen.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright by those who contributed. (in alphabetical order)
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*
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* Anthony Xu <anthony.xu@intel.com>
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* Eddie Dong <eddie.dong@intel.com>
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* Fred Yang <fred.yang@intel.com>
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* Kevin Tian <kevin.tian@intel.com>
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* Alex Williamson <alex.williamson@hp.com>
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* Chris Wright <chrisw@sous-sol.org>
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* Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
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* Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com>
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* Hollis Blanchard <hollisb@us.ibm.com>
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* Isaku Yamahata <yamahata@valinux.co.jp>
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* Jan Beulich <jbeulich@novell.com>
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* John Levon <john.levon@sun.com>
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* Kazuhiro Suzuki <kaz@jp.fujitsu.com>
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* Keir Fraser <keir.fraser@citrix.com>
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* Kouya Shimura <kouya@jp.fujitsu.com>
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* Masaki Kanno <kanno.masaki@jp.fujitsu.com>
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* Matt Chapman <matthewc@hp.com>
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* Matthew Chapman <matthewc@hp.com>
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* Samuel Thibault <samuel.thibault@eu.citrix.com>
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* Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
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* Tristan Gingold <tgingold@free.fr>
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* Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
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* Yutaka Ezaki <yutaka.ezaki@jp.fujitsu.com>
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* Zhang Xin <xing.z.zhang@intel.com>
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* Zhang xiantao <xiantao.zhang@intel.com>
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* dan.magenheimer@hp.com
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* ian.pratt@cl.cam.ac.uk
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* michael.fetterman@cl.cam.ac.uk
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*/
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#ifndef _ASM_IA64_XEN_INTERFACE_H
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#define _ASM_IA64_XEN_INTERFACE_H
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#define __DEFINE_GUEST_HANDLE(name, type) \
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typedef struct { type *p; } __guest_handle_ ## name
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#define DEFINE_GUEST_HANDLE_STRUCT(name) \
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__DEFINE_GUEST_HANDLE(name, struct name)
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#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name)
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#define GUEST_HANDLE(name) __guest_handle_ ## name
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#define GUEST_HANDLE_64(name) GUEST_HANDLE(name)
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#define set_xen_guest_handle(hnd, val) do { (hnd).p = val; } while (0)
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#ifndef __ASSEMBLY__
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/* Guest handles for primitive C types. */
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__DEFINE_GUEST_HANDLE(uchar, unsigned char);
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__DEFINE_GUEST_HANDLE(uint, unsigned int);
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__DEFINE_GUEST_HANDLE(ulong, unsigned long);
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__DEFINE_GUEST_HANDLE(u64, unsigned long);
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DEFINE_GUEST_HANDLE(char);
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DEFINE_GUEST_HANDLE(int);
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DEFINE_GUEST_HANDLE(long);
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DEFINE_GUEST_HANDLE(void);
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typedef unsigned long xen_pfn_t;
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DEFINE_GUEST_HANDLE(xen_pfn_t);
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#define PRI_xen_pfn "lx"
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#endif
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/* Arch specific VIRQs definition */
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#define VIRQ_ITC VIRQ_ARCH_0 /* V. Virtual itc timer */
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#define VIRQ_MCA_CMC VIRQ_ARCH_1 /* MCA cmc interrupt */
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#define VIRQ_MCA_CPE VIRQ_ARCH_2 /* MCA cpe interrupt */
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/* Maximum number of virtual CPUs in multi-processor guests. */
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/* keep sizeof(struct shared_page) <= PAGE_SIZE.
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* this is checked in arch/ia64/xen/hypervisor.c. */
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#define MAX_VIRT_CPUS 64
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#ifndef __ASSEMBLY__
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#define INVALID_MFN (~0UL)
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union vac {
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unsigned long value;
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struct {
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int a_int:1;
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int a_from_int_cr:1;
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int a_to_int_cr:1;
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int a_from_psr:1;
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int a_from_cpuid:1;
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int a_cover:1;
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int a_bsw:1;
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long reserved:57;
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};
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};
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union vdc {
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unsigned long value;
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struct {
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int d_vmsw:1;
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int d_extint:1;
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int d_ibr_dbr:1;
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int d_pmc:1;
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int d_to_pmd:1;
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int d_itm:1;
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long reserved:58;
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};
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};
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struct mapped_regs {
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union vac vac;
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union vdc vdc;
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unsigned long virt_env_vaddr;
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unsigned long reserved1[29];
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unsigned long vhpi;
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unsigned long reserved2[95];
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union {
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unsigned long vgr[16];
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unsigned long bank1_regs[16]; /* bank1 regs (r16-r31)
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when bank0 active */
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};
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union {
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unsigned long vbgr[16];
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unsigned long bank0_regs[16]; /* bank0 regs (r16-r31)
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when bank1 active */
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};
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unsigned long vnat;
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unsigned long vbnat;
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unsigned long vcpuid[5];
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unsigned long reserved3[11];
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unsigned long vpsr;
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unsigned long vpr;
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unsigned long reserved4[76];
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union {
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unsigned long vcr[128];
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struct {
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unsigned long dcr; /* CR0 */
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unsigned long itm;
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unsigned long iva;
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unsigned long rsv1[5];
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unsigned long pta; /* CR8 */
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unsigned long rsv2[7];
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unsigned long ipsr; /* CR16 */
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unsigned long isr;
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unsigned long rsv3;
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unsigned long iip;
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unsigned long ifa;
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unsigned long itir;
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unsigned long iipa;
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unsigned long ifs;
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unsigned long iim; /* CR24 */
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unsigned long iha;
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unsigned long rsv4[38];
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unsigned long lid; /* CR64 */
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unsigned long ivr;
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unsigned long tpr;
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unsigned long eoi;
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unsigned long irr[4];
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unsigned long itv; /* CR72 */
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unsigned long pmv;
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unsigned long cmcv;
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unsigned long rsv5[5];
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unsigned long lrr0; /* CR80 */
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unsigned long lrr1;
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unsigned long rsv6[46];
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};
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};
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union {
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unsigned long reserved5[128];
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struct {
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unsigned long precover_ifs;
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unsigned long unat; /* not sure if this is needed
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until NaT arch is done */
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int interrupt_collection_enabled; /* virtual psr.ic */
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/* virtual interrupt deliverable flag is
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* evtchn_upcall_mask in shared info area now.
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* interrupt_mask_addr is the address
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* of evtchn_upcall_mask for current vcpu
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*/
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unsigned char *interrupt_mask_addr;
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int pending_interruption;
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unsigned char vpsr_pp;
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unsigned char vpsr_dfh;
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unsigned char hpsr_dfh;
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unsigned char hpsr_mfh;
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unsigned long reserved5_1[4];
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int metaphysical_mode; /* 1 = use metaphys mapping
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0 = use virtual */
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int banknum; /* 0 or 1, which virtual
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register bank is active */
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unsigned long rrs[8]; /* region registers */
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unsigned long krs[8]; /* kernel registers */
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unsigned long tmp[16]; /* temp registers
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(e.g. for hyperprivops) */
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};
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};
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};
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struct arch_vcpu_info {
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/* nothing */
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};
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/*
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* This structure is used for magic page in domain pseudo physical address
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* space and the result of XENMEM_machine_memory_map.
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* As the XENMEM_machine_memory_map result,
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* xen_memory_map::nr_entries indicates the size in bytes
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* including struct xen_ia64_memmap_info. Not the number of entries.
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*/
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struct xen_ia64_memmap_info {
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uint64_t efi_memmap_size; /* size of EFI memory map */
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uint64_t efi_memdesc_size; /* size of an EFI memory map
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* descriptor */
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uint32_t efi_memdesc_version; /* memory descriptor version */
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void *memdesc[0]; /* array of efi_memory_desc_t */
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};
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struct arch_shared_info {
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/* PFN of the start_info page. */
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unsigned long start_info_pfn;
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/* Interrupt vector for event channel. */
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int evtchn_vector;
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/* PFN of memmap_info page */
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unsigned int memmap_info_num_pages; /* currently only = 1 case is
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supported. */
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unsigned long memmap_info_pfn;
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uint64_t pad[31];
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};
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struct xen_callback {
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unsigned long ip;
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};
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typedef struct xen_callback xen_callback_t;
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#endif /* !__ASSEMBLY__ */
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/* Size of the shared_info area (this is not related to page size). */
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#define XSI_SHIFT 14
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#define XSI_SIZE (1 << XSI_SHIFT)
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/* Log size of mapped_regs area (64 KB - only 4KB is used). */
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#define XMAPPEDREGS_SHIFT 12
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#define XMAPPEDREGS_SIZE (1 << XMAPPEDREGS_SHIFT)
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/* Offset of XASI (Xen arch shared info) wrt XSI_BASE. */
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#define XMAPPEDREGS_OFS XSI_SIZE
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/* Hyperprivops. */
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#define HYPERPRIVOP_START 0x1
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#define HYPERPRIVOP_RFI (HYPERPRIVOP_START + 0x0)
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#define HYPERPRIVOP_RSM_DT (HYPERPRIVOP_START + 0x1)
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#define HYPERPRIVOP_SSM_DT (HYPERPRIVOP_START + 0x2)
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#define HYPERPRIVOP_COVER (HYPERPRIVOP_START + 0x3)
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#define HYPERPRIVOP_ITC_D (HYPERPRIVOP_START + 0x4)
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#define HYPERPRIVOP_ITC_I (HYPERPRIVOP_START + 0x5)
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#define HYPERPRIVOP_SSM_I (HYPERPRIVOP_START + 0x6)
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#define HYPERPRIVOP_GET_IVR (HYPERPRIVOP_START + 0x7)
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#define HYPERPRIVOP_GET_TPR (HYPERPRIVOP_START + 0x8)
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#define HYPERPRIVOP_SET_TPR (HYPERPRIVOP_START + 0x9)
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#define HYPERPRIVOP_EOI (HYPERPRIVOP_START + 0xa)
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#define HYPERPRIVOP_SET_ITM (HYPERPRIVOP_START + 0xb)
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#define HYPERPRIVOP_THASH (HYPERPRIVOP_START + 0xc)
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#define HYPERPRIVOP_PTC_GA (HYPERPRIVOP_START + 0xd)
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#define HYPERPRIVOP_ITR_D (HYPERPRIVOP_START + 0xe)
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#define HYPERPRIVOP_GET_RR (HYPERPRIVOP_START + 0xf)
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#define HYPERPRIVOP_SET_RR (HYPERPRIVOP_START + 0x10)
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#define HYPERPRIVOP_SET_KR (HYPERPRIVOP_START + 0x11)
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#define HYPERPRIVOP_FC (HYPERPRIVOP_START + 0x12)
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#define HYPERPRIVOP_GET_CPUID (HYPERPRIVOP_START + 0x13)
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#define HYPERPRIVOP_GET_PMD (HYPERPRIVOP_START + 0x14)
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#define HYPERPRIVOP_GET_EFLAG (HYPERPRIVOP_START + 0x15)
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#define HYPERPRIVOP_SET_EFLAG (HYPERPRIVOP_START + 0x16)
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#define HYPERPRIVOP_RSM_BE (HYPERPRIVOP_START + 0x17)
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#define HYPERPRIVOP_GET_PSR (HYPERPRIVOP_START + 0x18)
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#define HYPERPRIVOP_SET_RR0_TO_RR4 (HYPERPRIVOP_START + 0x19)
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#define HYPERPRIVOP_MAX (0x1a)
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/* Fast and light hypercalls. */
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#define __HYPERVISOR_ia64_fast_eoi __HYPERVISOR_arch_1
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/* Xencomm macros. */
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#define XENCOMM_INLINE_MASK 0xf800000000000000UL
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#define XENCOMM_INLINE_FLAG 0x8000000000000000UL
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#ifndef __ASSEMBLY__
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/*
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* Optimization features.
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* The hypervisor may do some special optimizations for guests. This hypercall
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* can be used to switch on/of these special optimizations.
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*/
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#define __HYPERVISOR_opt_feature 0x700UL
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#define XEN_IA64_OPTF_OFF 0x0
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#define XEN_IA64_OPTF_ON 0x1
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/*
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* If this feature is switched on, the hypervisor inserts the
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* tlb entries without calling the guests traphandler.
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* This is useful in guests using region 7 for identity mapping
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* like the linux kernel does.
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*/
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#define XEN_IA64_OPTF_IDENT_MAP_REG7 1
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/* Identity mapping of region 4 addresses in HVM. */
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#define XEN_IA64_OPTF_IDENT_MAP_REG4 2
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/* Identity mapping of region 5 addresses in HVM. */
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#define XEN_IA64_OPTF_IDENT_MAP_REG5 3
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#define XEN_IA64_OPTF_IDENT_MAP_NOT_SET (0)
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struct xen_ia64_opt_feature {
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unsigned long cmd; /* Which feature */
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unsigned char on; /* Switch feature on/off */
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union {
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struct {
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/* The page protection bit mask of the pte.
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* This will be or'ed with the pte. */
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unsigned long pgprot;
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unsigned long key; /* A protection key for itir.*/
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};
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};
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};
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_IA64_XEN_INTERFACE_H */
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