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.
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.
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.
15 * Copyright IBM Corp. 2007
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
20 #ifndef __LINUX_KVM_POWERPC_H
21 #define __LINUX_KVM_POWERPC_H
23 #include <linux/types.h>
25 /* Select powerpc specific features in <linux/kvm.h> */
26 #define __KVM_HAVE_SPAPR_TCE
27 #define __KVM_HAVE_PPC_SMT
52 #define KVM_SREGS_E_IMPL_NONE 0
53 #define KVM_SREGS_E_IMPL_FSL 1
55 #define KVM_SREGS_E_FSL_PIDn (1 << 0) /* PID1/PID2 */
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.
64 * KVM_SREGS_E_BASE contains:
65 * CSRR0/1 (refers to SRR2/3 on 40x)
75 #define KVM_SREGS_E_BASE (1 << 0)
78 * KVM_SREGS_E_ARCH206 contains:
85 #define KVM_SREGS_E_ARCH206 (1 << 1)
88 * Contains EPCR, plus the upper half of 64-bit registers
89 * that are 32-bit on 32-bit implementations.
91 #define KVM_SREGS_E_64 (1 << 2)
93 #define KVM_SREGS_E_SPRG8 (1 << 3)
94 #define KVM_SREGS_E_MCIVPR (1 << 4)
97 * IVORs are used -- contains IVOR0-15, plus additional IVORs
98 * in combination with an appropriate feature bit.
100 #define KVM_SREGS_E_IVOR (1 << 5)
103 * Contains MAS0-4, MAS6-7, TLBnCFG, MMUCFG.
104 * Also TLBnPS if MMUCFG[MAVN] = 1.
106 #define KVM_SREGS_E_ARCH206_MMU (1 << 6)
108 /* DBSR, DBCR, IAC, DAC, DVC */
109 #define KVM_SREGS_E_DEBUG (1 << 7)
111 /* Enhanced debug -- DSRR0/1, SPRG9 */
112 #define KVM_SREGS_E_ED (1 << 8)
114 /* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */
115 #define KVM_SREGS_E_SPE (1 << 9)
118 * DEPRECATED! USE ONE_REG FOR THIS ONE!
119 * External Proxy (EXP) -- EPR
121 #define KVM_SREGS_EXP (1 << 10)
123 /* External PID (E.PD) -- EPSC/EPLC */
124 #define KVM_SREGS_E_PD (1 << 11)
126 /* Processor Control (E.PC) -- IVOR36-37 if KVM_SREGS_E_IVOR */
127 #define KVM_SREGS_E_PC (1 << 12)
129 /* Page table (E.PT) -- EPTCFG */
130 #define KVM_SREGS_E_PT (1 << 13)
132 /* Embedded Performance Monitor (E.PM) -- IVOR35 if KVM_SREGS_E_IVOR */
133 #define KVM_SREGS_E_PM (1 << 14)
138 * Some registers may change even while a vcpu is not running.
139 * To avoid losing these changes, by default these registers are
140 * not updated by KVM_SET_SREGS. To force an update, set the bit
141 * in u.e.update_special corresponding to the register to be updated.
143 * The update_special field is zero on return from KVM_GET_SREGS.
145 * When restoring a checkpoint, the caller can set update_special
146 * to 0xffffffff to ensure that everything is restored, even new features
147 * that the caller doesn't know about.
149 #define KVM_SREGS_E_UPDATE_MCSR (1 << 0)
150 #define KVM_SREGS_E_UPDATE_TSR (1 << 1)
151 #define KVM_SREGS_E_UPDATE_DEC (1 << 2)
152 #define KVM_SREGS_E_UPDATE_DBSR (1 << 3)
155 * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
156 * previous KVM_GET_REGS.
158 * Unless otherwise indicated, setting any register with KVM_SET_SREGS
159 * directly sets its value. It does not trigger any special semantics such
160 * as write-one-to-clear. Calling KVM_SET_SREGS on an unmodified struct
161 * just received from KVM_GET_SREGS is always a no-op.
182 struct { /* KVM_SREGS_E_IMPL_FSL */
183 __u32 features
; /* KVM_SREGS_E_FSL_ */
188 /* KVM_SREGS_E_FSL_PIDn */
194 __u32 features
; /* KVM_SREGS_E_ */
195 __u32 impl_id
; /* KVM_SREGS_E_IMPL_ */
196 __u32 update_special
; /* KVM_SREGS_E_UPDATE_ */
197 __u32 pir
; /* read-only */
199 __u64 sprg9
; /* E.ED */
201 __u64 dsrr0
; /* E.ED */
204 __u32 dsrr1
; /* E.ED */
210 __u64 mcsr
; /* KVM_SREGS_E_UPDATE_MCSR */
212 __u32 tsr
; /* KVM_SREGS_E_UPDATE_TSR */
215 __u32 dec
; /* KVM_SREGS_E_UPDATE_DEC */
218 * Userspace can read TB directly, but the
219 * value reported here is consistent with "dec".
225 __u32 dbsr
; /* KVM_SREGS_E_UPDATE_DBSR */
228 * iac/dac registers are 64bit wide, while this API
229 * interface provides only lower 32 bits on 64 bit
230 * processors. ONE_REG interface is added for 64bit
236 __u8 num_iac
; /* read-only */
237 __u8 num_dac
; /* read-only */
238 __u8 num_dvc
; /* read-only */
242 __u32 vrsave
; /* a.k.a. USPRG0 */
243 __u32 epcr
; /* KVM_SREGS_E_64 */
252 __u32 ivor_low
[16]; /* IVOR0-15 */
253 __u32 ivor_high
[18]; /* IVOR32+, plus room to expand */
255 __u32 mmucfg
; /* read-only */
256 __u32 eptcfg
; /* E.PT, read-only */
257 __u32 tlbcfg
[4];/* read-only */
258 __u32 tlbps
[4]; /* read-only */
260 __u32 eplc
, epsc
; /* E.PD */
270 struct kvm_debug_exit_arch
{
273 /* for KVM_SET_GUEST_DEBUG */
274 struct kvm_guest_debug_arch
{
276 /* H/W breakpoint/watchpoint address */
279 * Type denotes h/w breakpoint, read watchpoint, write
280 * watchpoint or watchpoint (both read and write).
282 #define KVMPPC_DEBUG_NONE 0x0
283 #define KVMPPC_DEBUG_BREAKPOINT (1UL << 1)
284 #define KVMPPC_DEBUG_WATCH_WRITE (1UL << 2)
285 #define KVMPPC_DEBUG_WATCH_READ (1UL << 3)
291 /* Debug related defines */
293 * kvm_guest_debug->control is a 32 bit field. The lower 16 bits are generic
294 * and upper 16 bits are architecture specific. Architecture specific defines
295 * that ioctl is for setting hardware breakpoint or software breakpoint.
297 #define KVM_GUESTDBG_USE_SW_BP 0x00010000
298 #define KVM_GUESTDBG_USE_HW_BP 0x00020000
300 /* definition of registers in kvm_run */
301 struct kvm_sync_regs
{
304 #define KVM_INTERRUPT_SET -1U
305 #define KVM_INTERRUPT_UNSET -2U
306 #define KVM_INTERRUPT_SET_LEVEL -3U
308 #define KVM_CPU_440 1
309 #define KVM_CPU_E500V2 2
310 #define KVM_CPU_3S_32 3
311 #define KVM_CPU_3S_64 4
312 #define KVM_CPU_E500MC 5
314 /* for KVM_CAP_SPAPR_TCE */
315 struct kvm_create_spapr_tce
{
320 /* for KVM_ALLOCATE_RMA */
321 struct kvm_allocate_rma
{
325 struct kvm_book3e_206_tlb_entry
{
332 struct kvm_book3e_206_tlb_params
{
334 * For mmu types KVM_MMU_FSL_BOOKE_NOHV and KVM_MMU_FSL_BOOKE_HV:
336 * - The number of ways of TLB0 must be a power of two between 2 and
338 * - TLB1 must be fully associative.
339 * - The size of TLB0 must be a multiple of the number of ways, and
340 * the number of sets must be a power of two.
341 * - The size of TLB1 may not exceed 64 entries.
342 * - TLB0 supports 4 KiB pages.
343 * - The page sizes supported by TLB1 are as indicated by
344 * TLB1CFG (if MMUCFG[MAVN] = 0) or TLB1PS (if MMUCFG[MAVN] = 1)
345 * as returned by KVM_GET_SREGS.
346 * - TLB2 and TLB3 are reserved, and their entries in tlb_sizes[]
347 * and tlb_ways[] must be zero.
349 * tlb_ways[n] = tlb_sizes[n] means the array is fully associative.
351 * KVM will adjust TLBnCFG based on the sizes configured here,
352 * though arrays greater than 2048 entries will have TLBnCFG[NENTRY]
360 /* For KVM_PPC_GET_HTAB_FD */
361 struct kvm_get_htab_fd
{
367 /* Values for kvm_get_htab_fd.flags */
368 #define KVM_GET_HTAB_BOLTED_ONLY ((__u64)0x1)
369 #define KVM_GET_HTAB_WRITE ((__u64)0x2)
372 * Data read on the file descriptor is formatted as a series of
373 * records, each consisting of a header followed by a series of
374 * `n_valid' HPTEs (16 bytes each), which are all valid. Following
375 * those valid HPTEs there are `n_invalid' invalid HPTEs, which
376 * are not represented explicitly in the stream. The same format
377 * is used for writing.
379 struct kvm_get_htab_header
{
385 #define KVM_REG_PPC_HIOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1)
386 #define KVM_REG_PPC_IAC1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x2)
387 #define KVM_REG_PPC_IAC2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3)
388 #define KVM_REG_PPC_IAC3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x4)
389 #define KVM_REG_PPC_IAC4 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x5)
390 #define KVM_REG_PPC_DAC1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x6)
391 #define KVM_REG_PPC_DAC2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x7)
392 #define KVM_REG_PPC_DABR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8)
393 #define KVM_REG_PPC_DSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9)
394 #define KVM_REG_PPC_PURR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa)
395 #define KVM_REG_PPC_SPURR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb)
396 #define KVM_REG_PPC_DAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc)
397 #define KVM_REG_PPC_DSISR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xd)
398 #define KVM_REG_PPC_AMR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xe)
399 #define KVM_REG_PPC_UAMOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xf)
401 #define KVM_REG_PPC_MMCR0 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x10)
402 #define KVM_REG_PPC_MMCR1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x11)
403 #define KVM_REG_PPC_MMCRA (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x12)
405 #define KVM_REG_PPC_PMC1 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x18)
406 #define KVM_REG_PPC_PMC2 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x19)
407 #define KVM_REG_PPC_PMC3 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1a)
408 #define KVM_REG_PPC_PMC4 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1b)
409 #define KVM_REG_PPC_PMC5 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1c)
410 #define KVM_REG_PPC_PMC6 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1d)
411 #define KVM_REG_PPC_PMC7 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1e)
412 #define KVM_REG_PPC_PMC8 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1f)
414 /* 32 floating-point registers */
415 #define KVM_REG_PPC_FPR0 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x20)
416 #define KVM_REG_PPC_FPR(n) (KVM_REG_PPC_FPR0 + (n))
417 #define KVM_REG_PPC_FPR31 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3f)
419 /* 32 VMX/Altivec vector registers */
420 #define KVM_REG_PPC_VR0 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x40)
421 #define KVM_REG_PPC_VR(n) (KVM_REG_PPC_VR0 + (n))
422 #define KVM_REG_PPC_VR31 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x5f)
424 /* 32 double-width FP registers for VSX */
425 /* High-order halves overlap with FP regs */
426 #define KVM_REG_PPC_VSR0 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x60)
427 #define KVM_REG_PPC_VSR(n) (KVM_REG_PPC_VSR0 + (n))
428 #define KVM_REG_PPC_VSR31 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x7f)
430 /* FP and vector status/control registers */
431 #define KVM_REG_PPC_FPSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x80)
432 #define KVM_REG_PPC_VSCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x81)
434 /* Virtual processor areas */
435 /* For SLB & DTL, address in high (first) half, length in low half */
436 #define KVM_REG_PPC_VPA_ADDR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x82)
437 #define KVM_REG_PPC_VPA_SLB (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x83)
438 #define KVM_REG_PPC_VPA_DTL (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x84)
440 #define KVM_REG_PPC_EPCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x85)
441 #define KVM_REG_PPC_EPR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x86)
443 /* Timer Status Register OR/CLEAR interface */
444 #define KVM_REG_PPC_OR_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x87)
445 #define KVM_REG_PPC_CLEAR_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x88)
446 #define KVM_REG_PPC_TCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x89)
447 #define KVM_REG_PPC_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8a)
449 /* Debugging: Special instruction for software breakpoint */
450 #define KVM_REG_PPC_DEBUG_INST (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8b)
453 #define KVM_REG_PPC_MAS0 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8c)
454 #define KVM_REG_PPC_MAS1 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8d)
455 #define KVM_REG_PPC_MAS2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8e)
456 #define KVM_REG_PPC_MAS7_3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8f)
457 #define KVM_REG_PPC_MAS4 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x90)
458 #define KVM_REG_PPC_MAS6 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x91)
459 #define KVM_REG_PPC_MMUCFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x92)
461 * TLBnCFG fields TLBnCFG_N_ENTRY and TLBnCFG_ASSOC can be changed only using
462 * KVM_CAP_SW_TLB ioctl
464 #define KVM_REG_PPC_TLB0CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x93)
465 #define KVM_REG_PPC_TLB1CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x94)
466 #define KVM_REG_PPC_TLB2CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x95)
467 #define KVM_REG_PPC_TLB3CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x96)
468 #define KVM_REG_PPC_TLB0PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x97)
469 #define KVM_REG_PPC_TLB1PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x98)
470 #define KVM_REG_PPC_TLB2PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x99)
471 #define KVM_REG_PPC_TLB3PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9a)
472 #define KVM_REG_PPC_EPTCFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9b)
474 #endif /* __LINUX_KVM_POWERPC_H */