~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/s390/include/asm/kvm_host.h

Version: ~ [ linux-5.2-rc1 ] ~ [ linux-5.1.2 ] ~ [ linux-5.0.16 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.43 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.119 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.176 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.179 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.139 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.67 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.39.4 ] ~ [ linux-2.6.38.8 ] ~ [ linux-2.6.37.6 ] ~ [ linux-2.6.36.4 ] ~ [ linux-2.6.35.14 ] ~ [ linux-2.6.34.15 ] ~ [ linux-2.6.33.20 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * asm-s390/kvm_host.h - definition for kernel virtual machines on s390
  3  *
  4  * Copyright IBM Corp. 2008,2009
  5  *
  6  * This program is free software; you can redistribute it and/or modify
  7  * it under the terms of the GNU General Public License (version 2 only)
  8  * as published by the Free Software Foundation.
  9  *
 10  *    Author(s): Carsten Otte <cotte@de.ibm.com>
 11  */
 12 
 13 
 14 #ifndef ASM_KVM_HOST_H
 15 #define ASM_KVM_HOST_H
 16 #include <linux/hrtimer.h>
 17 #include <linux/interrupt.h>
 18 #include <linux/kvm_host.h>
 19 #include <asm/debug.h>
 20 #include <asm/cpu.h>
 21 
 22 #define KVM_MAX_VCPUS 64
 23 #define KVM_MEMORY_SLOTS 32
 24 /* memory slots that does not exposed to userspace */
 25 #define KVM_PRIVATE_MEM_SLOTS 4
 26 
 27 struct sca_entry {
 28         atomic_t scn;
 29         __u32   reserved;
 30         __u64   sda;
 31         __u64   reserved2[2];
 32 } __attribute__((packed));
 33 
 34 
 35 struct sca_block {
 36         __u64   ipte_control;
 37         __u64   reserved[5];
 38         __u64   mcn;
 39         __u64   reserved2;
 40         struct sca_entry cpu[64];
 41 } __attribute__((packed));
 42 
 43 #define KVM_NR_PAGE_SIZES 2
 44 #define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 8)
 45 #define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x))
 46 #define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x))
 47 #define KVM_HPAGE_MASK(x)       (~(KVM_HPAGE_SIZE(x) - 1))
 48 #define KVM_PAGES_PER_HPAGE(x)  (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
 49 
 50 #define CPUSTAT_HOST       0x80000000
 51 #define CPUSTAT_WAIT       0x10000000
 52 #define CPUSTAT_ECALL_PEND 0x08000000
 53 #define CPUSTAT_STOP_INT   0x04000000
 54 #define CPUSTAT_IO_INT     0x02000000
 55 #define CPUSTAT_EXT_INT    0x01000000
 56 #define CPUSTAT_RUNNING    0x00800000
 57 #define CPUSTAT_RETAINED   0x00400000
 58 #define CPUSTAT_TIMING_SUB 0x00020000
 59 #define CPUSTAT_SIE_SUB    0x00010000
 60 #define CPUSTAT_RRF        0x00008000
 61 #define CPUSTAT_SLSV       0x00004000
 62 #define CPUSTAT_SLSR       0x00002000
 63 #define CPUSTAT_ZARCH      0x00000800
 64 #define CPUSTAT_MCDS       0x00000100
 65 #define CPUSTAT_SM         0x00000080
 66 #define CPUSTAT_G          0x00000008
 67 #define CPUSTAT_J          0x00000002
 68 #define CPUSTAT_P          0x00000001
 69 
 70 struct kvm_s390_sie_block {
 71         atomic_t cpuflags;              /* 0x0000 */
 72         __u32   prefix;                 /* 0x0004 */
 73         __u8    reserved8[32];          /* 0x0008 */
 74         __u64   cputm;                  /* 0x0028 */
 75         __u64   ckc;                    /* 0x0030 */
 76         __u64   epoch;                  /* 0x0038 */
 77         __u8    reserved40[4];          /* 0x0040 */
 78 #define LCTL_CR0        0x8000
 79         __u16   lctl;                   /* 0x0044 */
 80         __s16   icpua;                  /* 0x0046 */
 81         __u32   ictl;                   /* 0x0048 */
 82         __u32   eca;                    /* 0x004c */
 83         __u8    icptcode;               /* 0x0050 */
 84         __u8    reserved51;             /* 0x0051 */
 85         __u16   ihcpu;                  /* 0x0052 */
 86         __u8    reserved54[2];          /* 0x0054 */
 87         __u16   ipa;                    /* 0x0056 */
 88         __u32   ipb;                    /* 0x0058 */
 89         __u32   scaoh;                  /* 0x005c */
 90         __u8    reserved60;             /* 0x0060 */
 91         __u8    ecb;                    /* 0x0061 */
 92         __u8    reserved62[2];          /* 0x0062 */
 93         __u32   scaol;                  /* 0x0064 */
 94         __u8    reserved68[4];          /* 0x0068 */
 95         __u32   todpr;                  /* 0x006c */
 96         __u8    reserved70[16];         /* 0x0070 */
 97         __u64   gmsor;                  /* 0x0080 */
 98         __u64   gmslm;                  /* 0x0088 */
 99         psw_t   gpsw;                   /* 0x0090 */
100         __u64   gg14;                   /* 0x00a0 */
101         __u64   gg15;                   /* 0x00a8 */
102         __u8    reservedb0[30];         /* 0x00b0 */
103         __u16   iprcc;                  /* 0x00ce */
104         __u8    reservedd0[48];         /* 0x00d0 */
105         __u64   gcr[16];                /* 0x0100 */
106         __u64   gbea;                   /* 0x0180 */
107         __u8    reserved188[24];        /* 0x0188 */
108         __u32   fac;                    /* 0x01a0 */
109         __u8    reserved1a4[92];        /* 0x01a4 */
110 } __attribute__((packed));
111 
112 struct kvm_vcpu_stat {
113         u32 exit_userspace;
114         u32 exit_null;
115         u32 exit_external_request;
116         u32 exit_external_interrupt;
117         u32 exit_stop_request;
118         u32 exit_validity;
119         u32 exit_instruction;
120         u32 instruction_lctl;
121         u32 instruction_lctlg;
122         u32 exit_program_interruption;
123         u32 exit_instr_and_program;
124         u32 deliver_emergency_signal;
125         u32 deliver_service_signal;
126         u32 deliver_virtio_interrupt;
127         u32 deliver_stop_signal;
128         u32 deliver_prefix_signal;
129         u32 deliver_restart_signal;
130         u32 deliver_program_int;
131         u32 exit_wait_state;
132         u32 instruction_stidp;
133         u32 instruction_spx;
134         u32 instruction_stpx;
135         u32 instruction_stap;
136         u32 instruction_storage_key;
137         u32 instruction_stsch;
138         u32 instruction_chsc;
139         u32 instruction_stsi;
140         u32 instruction_stfl;
141         u32 instruction_sigp_sense;
142         u32 instruction_sigp_emergency;
143         u32 instruction_sigp_stop;
144         u32 instruction_sigp_arch;
145         u32 instruction_sigp_prefix;
146         u32 instruction_sigp_restart;
147         u32 diagnose_44;
148 };
149 
150 struct kvm_s390_io_info {
151         __u16        subchannel_id;            /* 0x0b8 */
152         __u16        subchannel_nr;            /* 0x0ba */
153         __u32        io_int_parm;              /* 0x0bc */
154         __u32        io_int_word;              /* 0x0c0 */
155 };
156 
157 struct kvm_s390_ext_info {
158         __u32 ext_params;
159         __u64 ext_params2;
160 };
161 
162 #define PGM_OPERATION            0x01
163 #define PGM_PRIVILEGED_OPERATION 0x02
164 #define PGM_EXECUTE              0x03
165 #define PGM_PROTECTION           0x04
166 #define PGM_ADDRESSING           0x05
167 #define PGM_SPECIFICATION        0x06
168 #define PGM_DATA                 0x07
169 
170 struct kvm_s390_pgm_info {
171         __u16 code;
172 };
173 
174 struct kvm_s390_prefix_info {
175         __u32 address;
176 };
177 
178 struct kvm_s390_interrupt_info {
179         struct list_head list;
180         u64     type;
181         union {
182                 struct kvm_s390_io_info io;
183                 struct kvm_s390_ext_info ext;
184                 struct kvm_s390_pgm_info pgm;
185                 struct kvm_s390_prefix_info prefix;
186         };
187 };
188 
189 /* for local_interrupt.action_flags */
190 #define ACTION_STORE_ON_STOP            (1<<0)
191 #define ACTION_STOP_ON_STOP             (1<<1)
192 #define ACTION_RELOADVCPU_ON_STOP       (1<<2)
193 
194 struct kvm_s390_local_interrupt {
195         spinlock_t lock;
196         struct list_head list;
197         atomic_t active;
198         struct kvm_s390_float_interrupt *float_int;
199         int timer_due; /* event indicator for waitqueue below */
200         wait_queue_head_t wq;
201         atomic_t *cpuflags;
202         unsigned int action_bits;
203 };
204 
205 struct kvm_s390_float_interrupt {
206         spinlock_t lock;
207         struct list_head list;
208         atomic_t active;
209         int next_rr_cpu;
210         unsigned long idle_mask [(64 + sizeof(long) - 1) / sizeof(long)];
211         struct kvm_s390_local_interrupt *local_int[64];
212 };
213 
214 
215 struct kvm_vcpu_arch {
216         struct kvm_s390_sie_block *sie_block;
217         unsigned long     guest_gprs[16];
218         s390_fp_regs      host_fpregs;
219         unsigned int      host_acrs[NUM_ACRS];
220         s390_fp_regs      guest_fpregs;
221         unsigned int      guest_acrs[NUM_ACRS];
222         struct kvm_s390_local_interrupt local_int;
223         struct hrtimer    ckc_timer;
224         struct tasklet_struct tasklet;
225         union  {
226                 struct cpuid    cpu_id;
227                 u64             stidp_data;
228         };
229 };
230 
231 struct kvm_vm_stat {
232         u32 remote_tlb_flush;
233 };
234 
235 struct kvm_arch{
236         struct sca_block *sca;
237         debug_info_t *dbf;
238         struct kvm_s390_float_interrupt float_int;
239 };
240 
241 extern int sie64a(struct kvm_s390_sie_block *, unsigned long *);
242 #endif
243 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp