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1.1 root 1: /*
2: * This program is free software; you can redistribute it and/or modify
3: * it under the terms of the GNU General Public License, version 2, as
4: * published by the Free Software Foundation.
5: *
6: * This program is distributed in the hope that it will be useful,
7: * but WITHOUT ANY WARRANTY; without even the implied warranty of
8: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9: * GNU General Public License for more details.
10: *
11: * You should have received a copy of the GNU General Public License
12: * along with this program; if not, write to the Free Software
13: * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
14: *
15: * Copyright IBM Corp. 2007
16: *
17: * Authors: Hollis Blanchard <[email protected]>
18: */
19:
20: #ifndef __LINUX_KVM_POWERPC_H
21: #define __LINUX_KVM_POWERPC_H
22:
23: #include <linux/types.h>
24:
1.1.1.2 root 25: /* Select powerpc specific features in <linux/kvm.h> */
26: #define __KVM_HAVE_SPAPR_TCE
27: #define __KVM_HAVE_PPC_SMT
28:
1.1 root 29: struct kvm_regs {
30: __u64 pc;
31: __u64 cr;
32: __u64 ctr;
33: __u64 lr;
34: __u64 xer;
35: __u64 msr;
36: __u64 srr0;
37: __u64 srr1;
38: __u64 pid;
39:
40: __u64 sprg0;
41: __u64 sprg1;
42: __u64 sprg2;
43: __u64 sprg3;
44: __u64 sprg4;
45: __u64 sprg5;
46: __u64 sprg6;
47: __u64 sprg7;
48:
49: __u64 gpr[32];
50: };
51:
52: #define KVM_SREGS_E_IMPL_NONE 0
53: #define KVM_SREGS_E_IMPL_FSL 1
54:
55: #define KVM_SREGS_E_FSL_PIDn (1 << 0) /* PID1/PID2 */
56:
57: /*
58: * Feature bits indicate which sections of the sregs struct are valid,
59: * both in KVM_GET_SREGS and KVM_SET_SREGS. On KVM_SET_SREGS, registers
60: * corresponding to unset feature bits will not be modified. This allows
61: * restoring a checkpoint made without that feature, while keeping the
62: * default values of the new registers.
63: *
64: * KVM_SREGS_E_BASE contains:
65: * CSRR0/1 (refers to SRR2/3 on 40x)
66: * ESR
67: * DEAR
68: * MCSR
69: * TSR
70: * TCR
71: * DEC
72: * TB
73: * VRSAVE (USPRG0)
74: */
75: #define KVM_SREGS_E_BASE (1 << 0)
76:
77: /*
78: * KVM_SREGS_E_ARCH206 contains:
79: *
80: * PIR
81: * MCSRR0/1
82: * DECAR
83: * IVPR
84: */
85: #define KVM_SREGS_E_ARCH206 (1 << 1)
86:
87: /*
88: * Contains EPCR, plus the upper half of 64-bit registers
89: * that are 32-bit on 32-bit implementations.
90: */
91: #define KVM_SREGS_E_64 (1 << 2)
92:
93: #define KVM_SREGS_E_SPRG8 (1 << 3)
94: #define KVM_SREGS_E_MCIVPR (1 << 4)
95:
96: /*
97: * IVORs are used -- contains IVOR0-15, plus additional IVORs
98: * in combination with an appropriate feature bit.
99: */
100: #define KVM_SREGS_E_IVOR (1 << 5)
101:
102: /*
103: * Contains MAS0-4, MAS6-7, TLBnCFG, MMUCFG.
104: * Also TLBnPS if MMUCFG[MAVN] = 1.
105: */
106: #define KVM_SREGS_E_ARCH206_MMU (1 << 6)
107:
108: /* DBSR, DBCR, IAC, DAC, DVC */
109: #define KVM_SREGS_E_DEBUG (1 << 7)
110:
111: /* Enhanced debug -- DSRR0/1, SPRG9 */
112: #define KVM_SREGS_E_ED (1 << 8)
113:
114: /* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */
115: #define KVM_SREGS_E_SPE (1 << 9)
116:
117: /* External Proxy (EXP) -- EPR */
118: #define KVM_SREGS_EXP (1 << 10)
119:
120: /* External PID (E.PD) -- EPSC/EPLC */
121: #define KVM_SREGS_E_PD (1 << 11)
122:
123: /* Processor Control (E.PC) -- IVOR36-37 if KVM_SREGS_E_IVOR */
124: #define KVM_SREGS_E_PC (1 << 12)
125:
126: /* Page table (E.PT) -- EPTCFG */
127: #define KVM_SREGS_E_PT (1 << 13)
128:
129: /* Embedded Performance Monitor (E.PM) -- IVOR35 if KVM_SREGS_E_IVOR */
130: #define KVM_SREGS_E_PM (1 << 14)
131:
132: /*
133: * Special updates:
134: *
135: * Some registers may change even while a vcpu is not running.
136: * To avoid losing these changes, by default these registers are
137: * not updated by KVM_SET_SREGS. To force an update, set the bit
138: * in u.e.update_special corresponding to the register to be updated.
139: *
140: * The update_special field is zero on return from KVM_GET_SREGS.
141: *
142: * When restoring a checkpoint, the caller can set update_special
143: * to 0xffffffff to ensure that everything is restored, even new features
144: * that the caller doesn't know about.
145: */
146: #define KVM_SREGS_E_UPDATE_MCSR (1 << 0)
147: #define KVM_SREGS_E_UPDATE_TSR (1 << 1)
148: #define KVM_SREGS_E_UPDATE_DEC (1 << 2)
149: #define KVM_SREGS_E_UPDATE_DBSR (1 << 3)
150:
151: /*
152: * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
153: * previous KVM_GET_REGS.
154: *
155: * Unless otherwise indicated, setting any register with KVM_SET_SREGS
156: * directly sets its value. It does not trigger any special semantics such
157: * as write-one-to-clear. Calling KVM_SET_SREGS on an unmodified struct
158: * just received from KVM_GET_SREGS is always a no-op.
159: */
160: struct kvm_sregs {
161: __u32 pvr;
162: union {
163: struct {
164: __u64 sdr1;
165: struct {
166: struct {
167: __u64 slbe;
168: __u64 slbv;
169: } slb[64];
170: } ppc64;
171: struct {
172: __u32 sr[16];
173: __u64 ibat[8];
174: __u64 dbat[8];
175: } ppc32;
176: } s;
177: struct {
178: union {
179: struct { /* KVM_SREGS_E_IMPL_FSL */
180: __u32 features; /* KVM_SREGS_E_FSL_ */
181: __u32 svr;
182: __u64 mcar;
183: __u32 hid0;
184:
185: /* KVM_SREGS_E_FSL_PIDn */
186: __u32 pid1, pid2;
187: } fsl;
188: __u8 pad[256];
189: } impl;
190:
191: __u32 features; /* KVM_SREGS_E_ */
192: __u32 impl_id; /* KVM_SREGS_E_IMPL_ */
193: __u32 update_special; /* KVM_SREGS_E_UPDATE_ */
194: __u32 pir; /* read-only */
195: __u64 sprg8;
196: __u64 sprg9; /* E.ED */
197: __u64 csrr0;
198: __u64 dsrr0; /* E.ED */
199: __u64 mcsrr0;
200: __u32 csrr1;
201: __u32 dsrr1; /* E.ED */
202: __u32 mcsrr1;
203: __u32 esr;
204: __u64 dear;
205: __u64 ivpr;
206: __u64 mcivpr;
207: __u64 mcsr; /* KVM_SREGS_E_UPDATE_MCSR */
208:
209: __u32 tsr; /* KVM_SREGS_E_UPDATE_TSR */
210: __u32 tcr;
211: __u32 decar;
212: __u32 dec; /* KVM_SREGS_E_UPDATE_DEC */
213:
214: /*
215: * Userspace can read TB directly, but the
216: * value reported here is consistent with "dec".
217: *
218: * Read-only.
219: */
220: __u64 tb;
221:
222: __u32 dbsr; /* KVM_SREGS_E_UPDATE_DBSR */
223: __u32 dbcr[3];
224: __u32 iac[4];
225: __u32 dac[2];
226: __u32 dvc[2];
227: __u8 num_iac; /* read-only */
228: __u8 num_dac; /* read-only */
229: __u8 num_dvc; /* read-only */
230: __u8 pad;
231:
232: __u32 epr; /* EXP */
233: __u32 vrsave; /* a.k.a. USPRG0 */
234: __u32 epcr; /* KVM_SREGS_E_64 */
235:
236: __u32 mas0;
237: __u32 mas1;
238: __u64 mas2;
239: __u64 mas7_3;
240: __u32 mas4;
241: __u32 mas6;
242:
243: __u32 ivor_low[16]; /* IVOR0-15 */
244: __u32 ivor_high[18]; /* IVOR32+, plus room to expand */
245:
246: __u32 mmucfg; /* read-only */
247: __u32 eptcfg; /* E.PT, read-only */
248: __u32 tlbcfg[4];/* read-only */
249: __u32 tlbps[4]; /* read-only */
250:
251: __u32 eplc, epsc; /* E.PD */
252: } e;
253: __u8 pad[1020];
254: } u;
255: };
256:
257: struct kvm_fpu {
258: __u64 fpr[32];
259: };
260:
261: struct kvm_debug_exit_arch {
262: };
263:
264: /* for KVM_SET_GUEST_DEBUG */
265: struct kvm_guest_debug_arch {
266: };
267:
1.1.1.3 ! root 268: /* definition of registers in kvm_run */
! 269: struct kvm_sync_regs {
! 270: };
1.1 root 271:
272: #define KVM_INTERRUPT_SET -1U
273: #define KVM_INTERRUPT_UNSET -2U
274: #define KVM_INTERRUPT_SET_LEVEL -3U
275:
1.1.1.2 root 276: #define KVM_CPU_440 1
277: #define KVM_CPU_E500V2 2
278: #define KVM_CPU_3S_32 3
279: #define KVM_CPU_3S_64 4
1.1.1.3 ! root 280: #define KVM_CPU_E500MC 5
1.1.1.2 root 281:
282: /* for KVM_CAP_SPAPR_TCE */
283: struct kvm_create_spapr_tce {
284: __u64 liobn;
285: __u32 window_size;
286: };
287:
288: /* for KVM_ALLOCATE_RMA */
289: struct kvm_allocate_rma {
290: __u64 rma_size;
291: };
292:
293: struct kvm_book3e_206_tlb_entry {
294: __u32 mas8;
295: __u32 mas1;
296: __u64 mas2;
297: __u64 mas7_3;
298: };
299:
300: struct kvm_book3e_206_tlb_params {
301: /*
302: * For mmu types KVM_MMU_FSL_BOOKE_NOHV and KVM_MMU_FSL_BOOKE_HV:
303: *
304: * - The number of ways of TLB0 must be a power of two between 2 and
305: * 16.
306: * - TLB1 must be fully associative.
307: * - The size of TLB0 must be a multiple of the number of ways, and
308: * the number of sets must be a power of two.
309: * - The size of TLB1 may not exceed 64 entries.
310: * - TLB0 supports 4 KiB pages.
311: * - The page sizes supported by TLB1 are as indicated by
312: * TLB1CFG (if MMUCFG[MAVN] = 0) or TLB1PS (if MMUCFG[MAVN] = 1)
313: * as returned by KVM_GET_SREGS.
314: * - TLB2 and TLB3 are reserved, and their entries in tlb_sizes[]
315: * and tlb_ways[] must be zero.
316: *
317: * tlb_ways[n] = tlb_sizes[n] means the array is fully associative.
318: *
319: * KVM will adjust TLBnCFG based on the sizes configured here,
320: * though arrays greater than 2048 entries will have TLBnCFG[NENTRY]
321: * set to zero.
322: */
323: __u32 tlb_sizes[4];
324: __u32 tlb_ways[4];
325: __u32 reserved[8];
326: };
327:
1.1.1.3 ! root 328: #define KVM_REG_PPC_HIOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1)
1.1.1.2 root 329:
1.1 root 330: #endif /* __LINUX_KVM_POWERPC_H */
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