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-rw-r--r--arch/powerpc/include/asm/kvm.h184
-rw-r--r--arch/powerpc/include/asm/kvm_44x.h1
-rw-r--r--arch/powerpc/include/asm/kvm_e500.h1
-rw-r--r--arch/powerpc/include/asm/kvm_host.h3
-rw-r--r--arch/powerpc/include/asm/kvm_ppc.h9
-rw-r--r--arch/powerpc/kvm/44x.c10
-rw-r--r--arch/powerpc/kvm/booke.c154
-rw-r--r--arch/powerpc/kvm/e500.c75
-rw-r--r--arch/powerpc/kvm/e500_emulate.c5
-rw-r--r--arch/powerpc/kvm/e500_tlb.c8
-rw-r--r--arch/powerpc/kvm/emulate.c13
-rw-r--r--arch/powerpc/kvm/powerpc.c4
12 files changed, 456 insertions, 11 deletions
diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h
index 18ea6963ad77..d2ca5ed3877b 100644
--- a/arch/powerpc/include/asm/kvm.h
+++ b/arch/powerpc/include/asm/kvm.h
@@ -45,6 +45,114 @@ struct kvm_regs {
45 __u64 gpr[32]; 45 __u64 gpr[32];
46}; 46};
47 47
48#define KVM_SREGS_E_IMPL_NONE 0
49#define KVM_SREGS_E_IMPL_FSL 1
50
51#define KVM_SREGS_E_FSL_PIDn (1 << 0) /* PID1/PID2 */
52
53/*
54 * Feature bits indicate which sections of the sregs struct are valid,
55 * both in KVM_GET_SREGS and KVM_SET_SREGS. On KVM_SET_SREGS, registers
56 * corresponding to unset feature bits will not be modified. This allows
57 * restoring a checkpoint made without that feature, while keeping the
58 * default values of the new registers.
59 *
60 * KVM_SREGS_E_BASE contains:
61 * CSRR0/1 (refers to SRR2/3 on 40x)
62 * ESR
63 * DEAR
64 * MCSR
65 * TSR
66 * TCR
67 * DEC
68 * TB
69 * VRSAVE (USPRG0)
70 */
71#define KVM_SREGS_E_BASE (1 << 0)
72
73/*
74 * KVM_SREGS_E_ARCH206 contains:
75 *
76 * PIR
77 * MCSRR0/1
78 * DECAR
79 * IVPR
80 */
81#define KVM_SREGS_E_ARCH206 (1 << 1)
82
83/*
84 * Contains EPCR, plus the upper half of 64-bit registers
85 * that are 32-bit on 32-bit implementations.
86 */
87#define KVM_SREGS_E_64 (1 << 2)
88
89#define KVM_SREGS_E_SPRG8 (1 << 3)
90#define KVM_SREGS_E_MCIVPR (1 << 4)
91
92/*
93 * IVORs are used -- contains IVOR0-15, plus additional IVORs
94 * in combination with an appropriate feature bit.
95 */
96#define KVM_SREGS_E_IVOR (1 << 5)
97
98/*
99 * Contains MAS0-4, MAS6-7, TLBnCFG, MMUCFG.
100 * Also TLBnPS if MMUCFG[MAVN] = 1.
101 */
102#define KVM_SREGS_E_ARCH206_MMU (1 << 6)
103
104/* DBSR, DBCR, IAC, DAC, DVC */
105#define KVM_SREGS_E_DEBUG (1 << 7)
106
107/* Enhanced debug -- DSRR0/1, SPRG9 */
108#define KVM_SREGS_E_ED (1 << 8)
109
110/* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */
111#define KVM_SREGS_E_SPE (1 << 9)
112
113/* External Proxy (EXP) -- EPR */
114#define KVM_SREGS_EXP (1 << 10)
115
116/* External PID (E.PD) -- EPSC/EPLC */
117#define KVM_SREGS_E_PD (1 << 11)
118
119/* Processor Control (E.PC) -- IVOR36-37 if KVM_SREGS_E_IVOR */
120#define KVM_SREGS_E_PC (1 << 12)
121
122/* Page table (E.PT) -- EPTCFG */
123#define KVM_SREGS_E_PT (1 << 13)
124
125/* Embedded Performance Monitor (E.PM) -- IVOR35 if KVM_SREGS_E_IVOR */
126#define KVM_SREGS_E_PM (1 << 14)
127
128/*
129 * Special updates:
130 *
131 * Some registers may change even while a vcpu is not running.
132 * To avoid losing these changes, by default these registers are
133 * not updated by KVM_SET_SREGS. To force an update, set the bit
134 * in u.e.update_special corresponding to the register to be updated.
135 *
136 * The update_special field is zero on return from KVM_GET_SREGS.
137 *
138 * When restoring a checkpoint, the caller can set update_special
139 * to 0xffffffff to ensure that everything is restored, even new features
140 * that the caller doesn't know about.
141 */
142#define KVM_SREGS_E_UPDATE_MCSR (1 << 0)
143#define KVM_SREGS_E_UPDATE_TSR (1 << 1)
144#define KVM_SREGS_E_UPDATE_DEC (1 << 2)
145#define KVM_SREGS_E_UPDATE_DBSR (1 << 3)
146
147/*
148 * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
149 * previous KVM_GET_REGS.
150 *
151 * Unless otherwise indicated, setting any register with KVM_SET_SREGS
152 * directly sets its value. It does not trigger any special semantics such
153 * as write-one-to-clear. Calling KVM_SET_SREGS on an unmodified struct
154 * just received from KVM_GET_SREGS is always a no-op.
155 */
48struct kvm_sregs { 156struct kvm_sregs {
49 __u32 pvr; 157 __u32 pvr;
50 union { 158 union {
@@ -62,6 +170,82 @@ struct kvm_sregs {
62 __u64 dbat[8]; 170 __u64 dbat[8];
63 } ppc32; 171 } ppc32;
64 } s; 172 } s;
173 struct {
174 union {
175 struct { /* KVM_SREGS_E_IMPL_FSL */
176 __u32 features; /* KVM_SREGS_E_FSL_ */
177 __u32 svr;
178 __u64 mcar;
179 __u32 hid0;
180
181 /* KVM_SREGS_E_FSL_PIDn */
182 __u32 pid1, pid2;
183 } fsl;
184 __u8 pad[256];
185 } impl;
186
187 __u32 features; /* KVM_SREGS_E_ */
188 __u32 impl_id; /* KVM_SREGS_E_IMPL_ */
189 __u32 update_special; /* KVM_SREGS_E_UPDATE_ */
190 __u32 pir; /* read-only */
191 __u64 sprg8;
192 __u64 sprg9; /* E.ED */
193 __u64 csrr0;
194 __u64 dsrr0; /* E.ED */
195 __u64 mcsrr0;
196 __u32 csrr1;
197 __u32 dsrr1; /* E.ED */
198 __u32 mcsrr1;
199 __u32 esr;
200 __u64 dear;
201 __u64 ivpr;
202 __u64 mcivpr;
203 __u64 mcsr; /* KVM_SREGS_E_UPDATE_MCSR */
204
205 __u32 tsr; /* KVM_SREGS_E_UPDATE_TSR */
206 __u32 tcr;
207 __u32 decar;
208 __u32 dec; /* KVM_SREGS_E_UPDATE_DEC */
209
210 /*
211 * Userspace can read TB directly, but the
212 * value reported here is consistent with "dec".
213 *
214 * Read-only.
215 */
216 __u64 tb;
217
218 __u32 dbsr; /* KVM_SREGS_E_UPDATE_DBSR */
219 __u32 dbcr[3];
220 __u32 iac[4];
221 __u32 dac[2];
222 __u32 dvc[2];
223 __u8 num_iac; /* read-only */
224 __u8 num_dac; /* read-only */
225 __u8 num_dvc; /* read-only */
226 __u8 pad;
227
228 __u32 epr; /* EXP */
229 __u32 vrsave; /* a.k.a. USPRG0 */
230 __u32 epcr; /* KVM_SREGS_E_64 */
231
232 __u32 mas0;
233 __u32 mas1;
234 __u64 mas2;
235 __u64 mas7_3;
236 __u32 mas4;
237 __u32 mas6;
238
239 __u32 ivor_low[16]; /* IVOR0-15 */
240 __u32 ivor_high[18]; /* IVOR32+, plus room to expand */
241
242 __u32 mmucfg; /* read-only */
243 __u32 eptcfg; /* E.PT, read-only */
244 __u32 tlbcfg[4];/* read-only */
245 __u32 tlbps[4]; /* read-only */
246
247 __u32 eplc, epsc; /* E.PD */
248 } e;
65 __u8 pad[1020]; 249 __u8 pad[1020];
66 } u; 250 } u;
67}; 251};
diff --git a/arch/powerpc/include/asm/kvm_44x.h b/arch/powerpc/include/asm/kvm_44x.h
index d22d39942a92..a0e57618ff33 100644
--- a/arch/powerpc/include/asm/kvm_44x.h
+++ b/arch/powerpc/include/asm/kvm_44x.h
@@ -61,7 +61,6 @@ static inline struct kvmppc_vcpu_44x *to_44x(struct kvm_vcpu *vcpu)
61 return container_of(vcpu, struct kvmppc_vcpu_44x, vcpu); 61 return container_of(vcpu, struct kvmppc_vcpu_44x, vcpu);
62} 62}
63 63
64void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid);
65void kvmppc_44x_tlb_put(struct kvm_vcpu *vcpu); 64void kvmppc_44x_tlb_put(struct kvm_vcpu *vcpu);
66void kvmppc_44x_tlb_load(struct kvm_vcpu *vcpu); 65void kvmppc_44x_tlb_load(struct kvm_vcpu *vcpu);
67 66
diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h
index bb2a0890600f..7a2a565f88c4 100644
--- a/arch/powerpc/include/asm/kvm_e500.h
+++ b/arch/powerpc/include/asm/kvm_e500.h
@@ -59,6 +59,7 @@ struct kvmppc_vcpu_e500 {
59 u32 hid1; 59 u32 hid1;
60 u32 tlb0cfg; 60 u32 tlb0cfg;
61 u32 tlb1cfg; 61 u32 tlb1cfg;
62 u64 mcar;
62 63
63 struct kvm_vcpu vcpu; 64 struct kvm_vcpu vcpu;
64}; 65};
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index a16804399165..186f150b9b89 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -233,6 +233,9 @@ struct kvm_vcpu_arch {
233 ulong csrr1; 233 ulong csrr1;
234 ulong dsrr0; 234 ulong dsrr0;
235 ulong dsrr1; 235 ulong dsrr1;
236 ulong mcsrr0;
237 ulong mcsrr1;
238 ulong mcsr;
236 ulong esr; 239 ulong esr;
237 u32 dec; 240 u32 dec;
238 u32 decar; 241 u32 decar;
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index ecb3bc74c344..9345238edecf 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -61,6 +61,7 @@ extern int kvmppc_emulate_instruction(struct kvm_run *run,
61 struct kvm_vcpu *vcpu); 61 struct kvm_vcpu *vcpu);
62extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); 62extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
63extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu); 63extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
64extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
64 65
65/* Core-specific hooks */ 66/* Core-specific hooks */
66 67
@@ -142,4 +143,12 @@ static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
142 return r; 143 return r;
143} 144}
144 145
146void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
147int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
148
149void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
150int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
151
152void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid);
153
145#endif /* __POWERPC_KVM_PPC_H__ */ 154#endif /* __POWERPC_KVM_PPC_H__ */
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c
index 74d0e7421143..da3a1225c0ac 100644
--- a/arch/powerpc/kvm/44x.c
+++ b/arch/powerpc/kvm/44x.c
@@ -107,6 +107,16 @@ int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
107 return 0; 107 return 0;
108} 108}
109 109
110void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
111{
112 kvmppc_get_sregs_ivor(vcpu, sregs);
113}
114
115int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
116{
117 return kvmppc_set_sregs_ivor(vcpu, sregs);
118}
119
110struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) 120struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
111{ 121{
112 struct kvmppc_vcpu_44x *vcpu_44x; 122 struct kvmppc_vcpu_44x *vcpu_44x;
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index ef76acb455c3..8462b3a1c1c7 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -569,6 +569,7 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
569 kvmppc_set_msr(vcpu, regs->msr); 569 kvmppc_set_msr(vcpu, regs->msr);
570 vcpu->arch.shared->srr0 = regs->srr0; 570 vcpu->arch.shared->srr0 = regs->srr0;
571 vcpu->arch.shared->srr1 = regs->srr1; 571 vcpu->arch.shared->srr1 = regs->srr1;
572 kvmppc_set_pid(vcpu, regs->pid);
572 vcpu->arch.shared->sprg0 = regs->sprg0; 573 vcpu->arch.shared->sprg0 = regs->sprg0;
573 vcpu->arch.shared->sprg1 = regs->sprg1; 574 vcpu->arch.shared->sprg1 = regs->sprg1;
574 vcpu->arch.shared->sprg2 = regs->sprg2; 575 vcpu->arch.shared->sprg2 = regs->sprg2;
@@ -584,16 +585,165 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
584 return 0; 585 return 0;
585} 586}
586 587
588static void get_sregs_base(struct kvm_vcpu *vcpu,
589 struct kvm_sregs *sregs)
590{
591 u64 tb = get_tb();
592
593 sregs->u.e.features |= KVM_SREGS_E_BASE;
594
595 sregs->u.e.csrr0 = vcpu->arch.csrr0;
596 sregs->u.e.csrr1 = vcpu->arch.csrr1;
597 sregs->u.e.mcsr = vcpu->arch.mcsr;
598 sregs->u.e.esr = vcpu->arch.esr;
599 sregs->u.e.dear = vcpu->arch.shared->dar;
600 sregs->u.e.tsr = vcpu->arch.tsr;
601 sregs->u.e.tcr = vcpu->arch.tcr;
602 sregs->u.e.dec = kvmppc_get_dec(vcpu, tb);
603 sregs->u.e.tb = tb;
604 sregs->u.e.vrsave = vcpu->arch.vrsave;
605}
606
607static int set_sregs_base(struct kvm_vcpu *vcpu,
608 struct kvm_sregs *sregs)
609{
610 if (!(sregs->u.e.features & KVM_SREGS_E_BASE))
611 return 0;
612
613 vcpu->arch.csrr0 = sregs->u.e.csrr0;
614 vcpu->arch.csrr1 = sregs->u.e.csrr1;
615 vcpu->arch.mcsr = sregs->u.e.mcsr;
616 vcpu->arch.esr = sregs->u.e.esr;
617 vcpu->arch.shared->dar = sregs->u.e.dear;
618 vcpu->arch.vrsave = sregs->u.e.vrsave;
619 vcpu->arch.tcr = sregs->u.e.tcr;
620
621 if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_DEC)
622 vcpu->arch.dec = sregs->u.e.dec;
623
624 kvmppc_emulate_dec(vcpu);
625
626 if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_TSR) {
627 /*
628 * FIXME: existing KVM timer handling is incomplete.
629 * TSR cannot be read by the guest, and its value in
630 * vcpu->arch is always zero. For now, just handle
631 * the case where the caller is trying to inject a
632 * decrementer interrupt.
633 */
634
635 if ((sregs->u.e.tsr & TSR_DIS) &&
636 (vcpu->arch.tcr & TCR_DIE))
637 kvmppc_core_queue_dec(vcpu);
638 }
639
640 return 0;
641}
642
643static void get_sregs_arch206(struct kvm_vcpu *vcpu,
644 struct kvm_sregs *sregs)
645{
646 sregs->u.e.features |= KVM_SREGS_E_ARCH206;
647
648 sregs->u.e.pir = 0;
649 sregs->u.e.mcsrr0 = vcpu->arch.mcsrr0;
650 sregs->u.e.mcsrr1 = vcpu->arch.mcsrr1;
651 sregs->u.e.decar = vcpu->arch.decar;
652 sregs->u.e.ivpr = vcpu->arch.ivpr;
653}
654
655static int set_sregs_arch206(struct kvm_vcpu *vcpu,
656 struct kvm_sregs *sregs)
657{
658 if (!(sregs->u.e.features & KVM_SREGS_E_ARCH206))
659 return 0;
660
661 if (sregs->u.e.pir != 0)
662 return -EINVAL;
663
664 vcpu->arch.mcsrr0 = sregs->u.e.mcsrr0;
665 vcpu->arch.mcsrr1 = sregs->u.e.mcsrr1;
666 vcpu->arch.decar = sregs->u.e.decar;
667 vcpu->arch.ivpr = sregs->u.e.ivpr;
668
669 return 0;
670}
671
672void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
673{
674 sregs->u.e.features |= KVM_SREGS_E_IVOR;
675
676 sregs->u.e.ivor_low[0] = vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL];
677 sregs->u.e.ivor_low[1] = vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK];
678 sregs->u.e.ivor_low[2] = vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE];
679 sregs->u.e.ivor_low[3] = vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE];
680 sregs->u.e.ivor_low[4] = vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL];
681 sregs->u.e.ivor_low[5] = vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT];
682 sregs->u.e.ivor_low[6] = vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM];
683 sregs->u.e.ivor_low[7] = vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL];
684 sregs->u.e.ivor_low[8] = vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL];
685 sregs->u.e.ivor_low[9] = vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL];
686 sregs->u.e.ivor_low[10] = vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER];
687 sregs->u.e.ivor_low[11] = vcpu->arch.ivor[BOOKE_IRQPRIO_FIT];
688 sregs->u.e.ivor_low[12] = vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG];
689 sregs->u.e.ivor_low[13] = vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS];
690 sregs->u.e.ivor_low[14] = vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS];
691 sregs->u.e.ivor_low[15] = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG];
692}
693
694int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
695{
696 if (!(sregs->u.e.features & KVM_SREGS_E_IVOR))
697 return 0;
698
699 vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL] = sregs->u.e.ivor_low[0];
700 vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK] = sregs->u.e.ivor_low[1];
701 vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE] = sregs->u.e.ivor_low[2];
702 vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE] = sregs->u.e.ivor_low[3];
703 vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL] = sregs->u.e.ivor_low[4];
704 vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT] = sregs->u.e.ivor_low[5];
705 vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM] = sregs->u.e.ivor_low[6];
706 vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL] = sregs->u.e.ivor_low[7];
707 vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL] = sregs->u.e.ivor_low[8];
708 vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL] = sregs->u.e.ivor_low[9];
709 vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER] = sregs->u.e.ivor_low[10];
710 vcpu->arch.ivor[BOOKE_IRQPRIO_FIT] = sregs->u.e.ivor_low[11];
711 vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG] = sregs->u.e.ivor_low[12];
712 vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS] = sregs->u.e.ivor_low[13];
713 vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS] = sregs->u.e.ivor_low[14];
714 vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = sregs->u.e.ivor_low[15];
715
716 return 0;
717}
718
587int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, 719int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
588 struct kvm_sregs *sregs) 720 struct kvm_sregs *sregs)
589{ 721{
590 return -ENOTSUPP; 722 sregs->pvr = vcpu->arch.pvr;
723
724 get_sregs_base(vcpu, sregs);
725 get_sregs_arch206(vcpu, sregs);
726 kvmppc_core_get_sregs(vcpu, sregs);
727 return 0;
591} 728}
592 729
593int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, 730int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
594 struct kvm_sregs *sregs) 731 struct kvm_sregs *sregs)
595{ 732{
596 return -ENOTSUPP; 733 int ret;
734
735 if (vcpu->arch.pvr != sregs->pvr)
736 return -EINVAL;
737
738 ret = set_sregs_base(vcpu, sregs);
739 if (ret < 0)
740 return ret;
741
742 ret = set_sregs_arch206(vcpu, sregs);
743 if (ret < 0)
744 return ret;
745
746 return kvmppc_core_set_sregs(vcpu, sregs);
597} 747}
598 748
599int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) 749int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 0c1af1267843..318dbc61ba44 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -97,6 +97,81 @@ int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
97 return 0; 97 return 0;
98} 98}
99 99
100void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
101{
102 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
103
104 sregs->u.e.features |= KVM_SREGS_E_ARCH206_MMU | KVM_SREGS_E_SPE |
105 KVM_SREGS_E_PM;
106 sregs->u.e.impl_id = KVM_SREGS_E_IMPL_FSL;
107
108 sregs->u.e.impl.fsl.features = 0;
109 sregs->u.e.impl.fsl.svr = vcpu_e500->svr;
110 sregs->u.e.impl.fsl.hid0 = vcpu_e500->hid0;
111 sregs->u.e.impl.fsl.mcar = vcpu_e500->mcar;
112
113 sregs->u.e.mas0 = vcpu_e500->mas0;
114 sregs->u.e.mas1 = vcpu_e500->mas1;
115 sregs->u.e.mas2 = vcpu_e500->mas2;
116 sregs->u.e.mas7_3 = ((u64)vcpu_e500->mas7 << 32) | vcpu_e500->mas3;
117 sregs->u.e.mas4 = vcpu_e500->mas4;
118 sregs->u.e.mas6 = vcpu_e500->mas6;
119
120 sregs->u.e.mmucfg = mfspr(SPRN_MMUCFG);
121 sregs->u.e.tlbcfg[0] = vcpu_e500->tlb0cfg;
122 sregs->u.e.tlbcfg[1] = vcpu_e500->tlb1cfg;
123 sregs->u.e.tlbcfg[2] = 0;
124 sregs->u.e.tlbcfg[3] = 0;
125
126 sregs->u.e.ivor_high[0] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
127 sregs->u.e.ivor_high[1] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
128 sregs->u.e.ivor_high[2] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
129 sregs->u.e.ivor_high[3] =
130 vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
131
132 kvmppc_get_sregs_ivor(vcpu, sregs);
133}
134
135int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
136{
137 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
138
139 if (sregs->u.e.impl_id == KVM_SREGS_E_IMPL_FSL) {
140 vcpu_e500->svr = sregs->u.e.impl.fsl.svr;
141 vcpu_e500->hid0 = sregs->u.e.impl.fsl.hid0;
142 vcpu_e500->mcar = sregs->u.e.impl.fsl.mcar;
143 }
144
145 if (sregs->u.e.features & KVM_SREGS_E_ARCH206_MMU) {
146 vcpu_e500->mas0 = sregs->u.e.mas0;
147 vcpu_e500->mas1 = sregs->u.e.mas1;
148 vcpu_e500->mas2 = sregs->u.e.mas2;
149 vcpu_e500->mas7 = sregs->u.e.mas7_3 >> 32;
150 vcpu_e500->mas3 = (u32)sregs->u.e.mas7_3;
151 vcpu_e500->mas4 = sregs->u.e.mas4;
152 vcpu_e500->mas6 = sregs->u.e.mas6;
153 }
154
155 if (!(sregs->u.e.features & KVM_SREGS_E_IVOR))
156 return 0;
157
158 if (sregs->u.e.features & KVM_SREGS_E_SPE) {
159 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] =
160 sregs->u.e.ivor_high[0];
161 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] =
162 sregs->u.e.ivor_high[1];
163 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] =
164 sregs->u.e.ivor_high[2];
165 }
166
167 if (sregs->u.e.features & KVM_SREGS_E_PM) {
168 vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] =
169 sregs->u.e.ivor_high[3];
170 }
171
172 return kvmppc_set_sregs_ivor(vcpu, sregs);
173}
174
100struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) 175struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
101{ 176{
102 struct kvmppc_vcpu_e500 *vcpu_e500; 177 struct kvmppc_vcpu_e500 *vcpu_e500;
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index e2fb47f035a5..69cd665a0caf 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -1,5 +1,5 @@
1/* 1/*
2 * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved. 2 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
3 * 3 *
4 * Author: Yu Liu, <yu.liu@freescale.com> 4 * Author: Yu Liu, <yu.liu@freescale.com>
5 * 5 *
@@ -78,8 +78,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
78 78
79 switch (sprn) { 79 switch (sprn) {
80 case SPRN_PID: 80 case SPRN_PID:
81 vcpu_e500->pid[0] = vcpu->arch.shadow_pid = 81 kvmppc_set_pid(vcpu, spr_val);
82 vcpu->arch.pid = spr_val;
83 break; 82 break;
84 case SPRN_PID1: 83 case SPRN_PID1:
85 vcpu_e500->pid[1] = spr_val; break; 84 vcpu_e500->pid[1] = spr_val; break;
diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c
index 56ac4523857d..b18fe353397d 100644
--- a/arch/powerpc/kvm/e500_tlb.c
+++ b/arch/powerpc/kvm/e500_tlb.c
@@ -675,6 +675,14 @@ int kvmppc_e500_tlb_search(struct kvm_vcpu *vcpu,
675 return -1; 675 return -1;
676} 676}
677 677
678void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid)
679{
680 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
681
682 vcpu_e500->pid[0] = vcpu->arch.shadow_pid =
683 vcpu->arch.pid = pid;
684}
685
678void kvmppc_e500_tlb_setup(struct kvmppc_vcpu_e500 *vcpu_e500) 686void kvmppc_e500_tlb_setup(struct kvmppc_vcpu_e500 *vcpu_e500)
679{ 687{
680 struct tlbe *tlbe; 688 struct tlbe *tlbe;
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 8f7a3aa03c26..141dce3c6810 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -114,6 +114,12 @@ void kvmppc_emulate_dec(struct kvm_vcpu *vcpu)
114 } 114 }
115} 115}
116 116
117u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb)
118{
119 u64 jd = tb - vcpu->arch.dec_jiffies;
120 return vcpu->arch.dec - jd;
121}
122
117/* XXX to do: 123/* XXX to do:
118 * lhax 124 * lhax
119 * lhaux 125 * lhaux
@@ -279,11 +285,8 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
279 285
280 case SPRN_DEC: 286 case SPRN_DEC:
281 { 287 {
282 u64 jd = get_tb() - vcpu->arch.dec_jiffies; 288 kvmppc_set_gpr(vcpu, rt,
283 kvmppc_set_gpr(vcpu, rt, vcpu->arch.dec - jd); 289 kvmppc_get_dec(vcpu, get_tb()));
284 pr_debug("mfDEC: %x - %llx = %lx\n",
285 vcpu->arch.dec, jd,
286 kvmppc_get_gpr(vcpu, rt));
287 break; 290 break;
288 } 291 }
289 default: 292 default:
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 9e6aa8bfd160..616dd516ca1f 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -175,7 +175,11 @@ int kvm_dev_ioctl_check_extension(long ext)
175 int r; 175 int r;
176 176
177 switch (ext) { 177 switch (ext) {
178#ifdef CONFIG_BOOKE
179 case KVM_CAP_PPC_BOOKE_SREGS:
180#else
178 case KVM_CAP_PPC_SEGSTATE: 181 case KVM_CAP_PPC_SEGSTATE:
182#endif
179 case KVM_CAP_PPC_PAIRED_SINGLES: 183 case KVM_CAP_PPC_PAIRED_SINGLES:
180 case KVM_CAP_PPC_UNSET_IRQ: 184 case KVM_CAP_PPC_UNSET_IRQ:
181 case KVM_CAP_PPC_IRQ_LEVEL: 185 case KVM_CAP_PPC_IRQ_LEVEL:
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 23:07:03 -0500