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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-08 00:24:38 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-08 00:24:38 -0500
commit24f030175d30f019be41766cdf88c2ff03de19ff (patch)
tree354232a84e82d5a721ed7b1a9af580ff2a59be8f /arch/powerpc/include/asm
parent4aa12f7b927c3cac0e0cf3503642597527d0ece0 (diff)
parent9e42d0cf5020aaf217433cad1a224745241d212a (diff)
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/powerpc/include/asm')
-rw-r--r--arch/powerpc/include/asm/Kbuild1
-rw-r--r--arch/powerpc/include/asm/atomic.h4
-rw-r--r--arch/powerpc/include/asm/byteorder.h83
-rw-r--r--arch/powerpc/include/asm/disassemble.h80
-rw-r--r--arch/powerpc/include/asm/hugetlb.h6
-rw-r--r--arch/powerpc/include/asm/kvm_44x.h61
-rw-r--r--arch/powerpc/include/asm/kvm_host.h116
-rw-r--r--arch/powerpc/include/asm/kvm_ppc.h83
-rw-r--r--arch/powerpc/include/asm/mmu-44x.h1
-rw-r--r--arch/powerpc/include/asm/swab.h90
-rw-r--r--arch/powerpc/include/asm/topology.h13
11 files changed, 365 insertions, 173 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index 5ab7d7fe198..9268602de5d 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -35,3 +35,4 @@ unifdef-y += spu_info.h
35unifdef-y += termios.h 35unifdef-y += termios.h
36unifdef-y += types.h 36unifdef-y += types.h
37unifdef-y += unistd.h 37unifdef-y += unistd.h
38unifdef-y += swab.h
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index 499be5bdd6f..b401950f525 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -5,7 +5,7 @@
5 * PowerPC atomic operations 5 * PowerPC atomic operations
6 */ 6 */
7 7
8typedef struct { int counter; } atomic_t; 8#include <linux/types.h>
9 9
10#ifdef __KERNEL__ 10#ifdef __KERNEL__
11#include <linux/compiler.h> 11#include <linux/compiler.h>
@@ -251,8 +251,6 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
251 251
252#ifdef __powerpc64__ 252#ifdef __powerpc64__
253 253
254typedef struct { long counter; } atomic64_t;
255
256#define ATOMIC64_INIT(i) { (i) } 254#define ATOMIC64_INIT(i) { (i) }
257 255
258static __inline__ long atomic64_read(const atomic64_t *v) 256static __inline__ long atomic64_read(const atomic64_t *v)
diff --git a/arch/powerpc/include/asm/byteorder.h b/arch/powerpc/include/asm/byteorder.h
index d5de325472e..5cca27a4153 100644
--- a/arch/powerpc/include/asm/byteorder.h
+++ b/arch/powerpc/include/asm/byteorder.h
@@ -8,86 +8,7 @@
8 * 2 of the License, or (at your option) any later version. 8 * 2 of the License, or (at your option) any later version.
9 */ 9 */
10 10
11#include <asm/types.h> 11#include <asm/swab.h>
12#include <linux/compiler.h> 12#include <linux/byteorder/big_endian.h>
13
14#define __BIG_ENDIAN
15
16#ifdef __GNUC__
17#ifdef __KERNEL__
18
19static __inline__ __u16 ld_le16(const volatile __u16 *addr)
20{
21 __u16 val;
22
23 __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
24 return val;
25}
26#define __arch_swab16p ld_le16
27
28static __inline__ void st_le16(volatile __u16 *addr, const __u16 val)
29{
30 __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
31}
32
33static inline void __arch_swab16s(__u16 *addr)
34{
35 st_le16(addr, *addr);
36}
37#define __arch_swab16s __arch_swab16s
38
39static __inline__ __u32 ld_le32(const volatile __u32 *addr)
40{
41 __u32 val;
42
43 __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
44 return val;
45}
46#define __arch_swab32p ld_le32
47
48static __inline__ void st_le32(volatile __u32 *addr, const __u32 val)
49{
50 __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
51}
52
53static inline void __arch_swab32s(__u32 *addr)
54{
55 st_le32(addr, *addr);
56}
57#define __arch_swab32s __arch_swab32s
58
59static inline __attribute_const__ __u16 __arch_swab16(__u16 value)
60{
61 __u16 result;
62
63 __asm__("rlwimi %0,%1,8,16,23"
64 : "=r" (result)
65 : "r" (value), "0" (value >> 8));
66 return result;
67}
68#define __arch_swab16 __arch_swab16
69
70static inline __attribute_const__ __u32 __arch_swab32(__u32 value)
71{
72 __u32 result;
73
74 __asm__("rlwimi %0,%1,24,16,23\n\t"
75 "rlwimi %0,%1,8,8,15\n\t"
76 "rlwimi %0,%1,24,0,7"
77 : "=r" (result)
78 : "r" (value), "0" (value >> 24));
79 return result;
80}
81#define __arch_swab32 __arch_swab32
82
83#endif /* __KERNEL__ */
84
85#ifndef __powerpc64__
86#define __SWAB_64_THRU_32__
87#endif /* __powerpc64__ */
88
89#endif /* __GNUC__ */
90
91#include <linux/byteorder.h>
92 13
93#endif /* _ASM_POWERPC_BYTEORDER_H */ 14#endif /* _ASM_POWERPC_BYTEORDER_H */
diff --git a/arch/powerpc/include/asm/disassemble.h b/arch/powerpc/include/asm/disassemble.h
new file mode 100644
index 00000000000..9b198d1b3b2
--- /dev/null
+++ b/arch/powerpc/include/asm/disassemble.h
@@ -0,0 +1,80 @@
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. 2008
16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 */
19
20#ifndef __ASM_PPC_DISASSEMBLE_H__
21#define __ASM_PPC_DISASSEMBLE_H__
22
23#include <linux/types.h>
24
25static inline unsigned int get_op(u32 inst)
26{
27 return inst >> 26;
28}
29
30static inline unsigned int get_xop(u32 inst)
31{
32 return (inst >> 1) & 0x3ff;
33}
34
35static inline unsigned int get_sprn(u32 inst)
36{
37 return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
38}
39
40static inline unsigned int get_dcrn(u32 inst)
41{
42 return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
43}
44
45static inline unsigned int get_rt(u32 inst)
46{
47 return (inst >> 21) & 0x1f;
48}
49
50static inline unsigned int get_rs(u32 inst)
51{
52 return (inst >> 21) & 0x1f;
53}
54
55static inline unsigned int get_ra(u32 inst)
56{
57 return (inst >> 16) & 0x1f;
58}
59
60static inline unsigned int get_rb(u32 inst)
61{
62 return (inst >> 11) & 0x1f;
63}
64
65static inline unsigned int get_rc(u32 inst)
66{
67 return inst & 0x1;
68}
69
70static inline unsigned int get_ws(u32 inst)
71{
72 return (inst >> 11) & 0x1f;
73}
74
75static inline unsigned int get_d(u32 inst)
76{
77 return inst & 0xffff;
78}
79
80#endif /* __ASM_PPC_DISASSEMBLE_H__ */
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 26f0d0ab27a..b1dafb6a974 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -18,6 +18,12 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
18 pte_t *ptep); 18 pte_t *ptep);
19 19
20/* 20/*
21 * The version of vma_mmu_pagesize() in arch/powerpc/mm/hugetlbpage.c needs
22 * to override the version in mm/hugetlb.c
23 */
24#define vma_mmu_pagesize vma_mmu_pagesize
25
26/*
21 * If the arch doesn't supply something else, assume that hugepage 27 * If the arch doesn't supply something else, assume that hugepage
22 * size aligned regions are ok without further preparation. 28 * size aligned regions are ok without further preparation.
23 */ 29 */
diff --git a/arch/powerpc/include/asm/kvm_44x.h b/arch/powerpc/include/asm/kvm_44x.h
new file mode 100644
index 00000000000..f49031b632c
--- /dev/null
+++ b/arch/powerpc/include/asm/kvm_44x.h
@@ -0,0 +1,61 @@
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. 2008
16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 */
19
20#ifndef __ASM_44X_H__
21#define __ASM_44X_H__
22
23#include <linux/kvm_host.h>
24
25#define PPC44x_TLB_SIZE 64
26
27/* If the guest is expecting it, this can be as large as we like; we'd just
28 * need to find some way of advertising it. */
29#define KVM44x_GUEST_TLB_SIZE 64
30
31struct kvmppc_44x_shadow_ref {
32 struct page *page;
33 u16 gtlb_index;
34 u8 writeable;
35 u8 tid;
36};
37
38struct kvmppc_vcpu_44x {
39 /* Unmodified copy of the guest's TLB. */
40 struct kvmppc_44x_tlbe guest_tlb[KVM44x_GUEST_TLB_SIZE];
41
42 /* References to guest pages in the hardware TLB. */
43 struct kvmppc_44x_shadow_ref shadow_refs[PPC44x_TLB_SIZE];
44
45 /* State of the shadow TLB at guest context switch time. */
46 struct kvmppc_44x_tlbe shadow_tlb[PPC44x_TLB_SIZE];
47 u8 shadow_tlb_mod[PPC44x_TLB_SIZE];
48
49 struct kvm_vcpu vcpu;
50};
51
52static inline struct kvmppc_vcpu_44x *to_44x(struct kvm_vcpu *vcpu)
53{
54 return container_of(vcpu, struct kvmppc_vcpu_44x, vcpu);
55}
56
57void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid);
58void kvmppc_44x_tlb_put(struct kvm_vcpu *vcpu);
59void kvmppc_44x_tlb_load(struct kvm_vcpu *vcpu);
60
61#endif /* __ASM_44X_H__ */
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 34b52b7180c..c1e436fe773 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -64,27 +64,58 @@ struct kvm_vcpu_stat {
64 u32 halt_wakeup; 64 u32 halt_wakeup;
65}; 65};
66 66
67struct tlbe { 67struct kvmppc_44x_tlbe {
68 u32 tid; /* Only the low 8 bits are used. */ 68 u32 tid; /* Only the low 8 bits are used. */
69 u32 word0; 69 u32 word0;
70 u32 word1; 70 u32 word1;
71 u32 word2; 71 u32 word2;
72}; 72};
73 73
74struct kvm_arch { 74enum kvm_exit_types {
75 MMIO_EXITS,
76 DCR_EXITS,
77 SIGNAL_EXITS,
78 ITLB_REAL_MISS_EXITS,
79 ITLB_VIRT_MISS_EXITS,
80 DTLB_REAL_MISS_EXITS,
81 DTLB_VIRT_MISS_EXITS,
82 SYSCALL_EXITS,
83 ISI_EXITS,
84 DSI_EXITS,
85 EMULATED_INST_EXITS,
86 EMULATED_MTMSRWE_EXITS,
87 EMULATED_WRTEE_EXITS,
88 EMULATED_MTSPR_EXITS,
89 EMULATED_MFSPR_EXITS,
90 EMULATED_MTMSR_EXITS,
91 EMULATED_MFMSR_EXITS,
92 EMULATED_TLBSX_EXITS,
93 EMULATED_TLBWE_EXITS,
94 EMULATED_RFI_EXITS,
95 DEC_EXITS,
96 EXT_INTR_EXITS,
97 HALT_WAKEUP,
98 USR_PR_INST,
99 FP_UNAVAIL,
100 DEBUG_EXITS,
101 TIMEINGUEST,
102 __NUMBER_OF_KVM_EXIT_TYPES
75}; 103};
76 104
77struct kvm_vcpu_arch { 105/* allow access to big endian 32bit upper/lower parts and 64bit var */
78 /* Unmodified copy of the guest's TLB. */ 106struct kvmppc_exit_timing {
79 struct tlbe guest_tlb[PPC44x_TLB_SIZE]; 107 union {
80 /* TLB that's actually used when the guest is running. */ 108 u64 tv64;
81 struct tlbe shadow_tlb[PPC44x_TLB_SIZE]; 109 struct {
82 /* Pages which are referenced in the shadow TLB. */ 110 u32 tbu, tbl;
83 struct page *shadow_pages[PPC44x_TLB_SIZE]; 111 } tv32;
112 };
113};
84 114
85 /* Track which TLB entries we've modified in the current exit. */ 115struct kvm_arch {
86 u8 shadow_tlb_mod[PPC44x_TLB_SIZE]; 116};
87 117
118struct kvm_vcpu_arch {
88 u32 host_stack; 119 u32 host_stack;
89 u32 host_pid; 120 u32 host_pid;
90 u32 host_dbcr0; 121 u32 host_dbcr0;
@@ -94,32 +125,32 @@ struct kvm_vcpu_arch {
94 u32 host_msr; 125 u32 host_msr;
95 126
96 u64 fpr[32]; 127 u64 fpr[32];
97 u32 gpr[32]; 128 ulong gpr[32];
98 129
99 u32 pc; 130 ulong pc;
100 u32 cr; 131 u32 cr;
101 u32 ctr; 132 ulong ctr;
102 u32 lr; 133 ulong lr;
103 u32 xer; 134 ulong xer;
104 135
105 u32 msr; 136 ulong msr;
106 u32 mmucr; 137 u32 mmucr;
107 u32 sprg0; 138 ulong sprg0;
108 u32 sprg1; 139 ulong sprg1;
109 u32 sprg2; 140 ulong sprg2;
110 u32 sprg3; 141 ulong sprg3;
111 u32 sprg4; 142 ulong sprg4;
112 u32 sprg5; 143 ulong sprg5;
113 u32 sprg6; 144 ulong sprg6;
114 u32 sprg7; 145 ulong sprg7;
115 u32 srr0; 146 ulong srr0;
116 u32 srr1; 147 ulong srr1;
117 u32 csrr0; 148 ulong csrr0;
118 u32 csrr1; 149 ulong csrr1;
119 u32 dsrr0; 150 ulong dsrr0;
120 u32 dsrr1; 151 ulong dsrr1;
121 u32 dear; 152 ulong dear;
122 u32 esr; 153 ulong esr;
123 u32 dec; 154 u32 dec;
124 u32 decar; 155 u32 decar;
125 u32 tbl; 156 u32 tbl;
@@ -127,7 +158,7 @@ struct kvm_vcpu_arch {
127 u32 tcr; 158 u32 tcr;
128 u32 tsr; 159 u32 tsr;
129 u32 ivor[16]; 160 u32 ivor[16];
130 u32 ivpr; 161 ulong ivpr;
131 u32 pir; 162 u32 pir;
132 163
133 u32 shadow_pid; 164 u32 shadow_pid;
@@ -140,9 +171,22 @@ struct kvm_vcpu_arch {
140 u32 dbcr0; 171 u32 dbcr0;
141 u32 dbcr1; 172 u32 dbcr1;
142 173
174#ifdef CONFIG_KVM_EXIT_TIMING
175 struct kvmppc_exit_timing timing_exit;
176 struct kvmppc_exit_timing timing_last_enter;
177 u32 last_exit_type;
178 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
179 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
180 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
181 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
182 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
183 u64 timing_last_exit;
184 struct dentry *debugfs_exit_timing;
185#endif
186
143 u32 last_inst; 187 u32 last_inst;
144 u32 fault_dear; 188 ulong fault_dear;
145 u32 fault_esr; 189 ulong fault_esr;
146 gpa_t paddr_accessed; 190 gpa_t paddr_accessed;
147 191
148 u8 io_gpr; /* GPR used as IO source/target */ 192 u8 io_gpr; /* GPR used as IO source/target */
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index bb62ad876de..36d2a50a848 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -29,11 +29,6 @@
29#include <linux/kvm_types.h> 29#include <linux/kvm_types.h>
30#include <linux/kvm_host.h> 30#include <linux/kvm_host.h>
31 31
32struct kvm_tlb {
33 struct tlbe guest_tlb[PPC44x_TLB_SIZE];
34 struct tlbe shadow_tlb[PPC44x_TLB_SIZE];
35};
36
37enum emulation_result { 32enum emulation_result {
38 EMULATE_DONE, /* no further processing */ 33 EMULATE_DONE, /* no further processing */
39 EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */ 34 EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
@@ -41,9 +36,6 @@ enum emulation_result {
41 EMULATE_FAIL, /* can't emulate this instruction */ 36 EMULATE_FAIL, /* can't emulate this instruction */
42}; 37};
43 38
44extern const unsigned char exception_priority[];
45extern const unsigned char priority_exception[];
46
47extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); 39extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
48extern char kvmppc_handlers_start[]; 40extern char kvmppc_handlers_start[];
49extern unsigned long kvmppc_handler_len; 41extern unsigned long kvmppc_handler_len;
@@ -58,51 +50,44 @@ extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
58extern int kvmppc_emulate_instruction(struct kvm_run *run, 50extern int kvmppc_emulate_instruction(struct kvm_run *run,
59 struct kvm_vcpu *vcpu); 51 struct kvm_vcpu *vcpu);
60extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); 52extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
53extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
61 54
62extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, 55extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
63 u64 asid, u32 flags); 56 u64 asid, u32 flags, u32 max_bytes,
64extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, 57 unsigned int gtlb_idx);
65 gva_t eend, u32 asid);
66extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); 58extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
67extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid); 59extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
68 60
69/* XXX Book E specific */ 61/* Core-specific hooks */
70extern void kvmppc_tlbe_set_modified(struct kvm_vcpu *vcpu, unsigned int i); 62
71 63extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
72extern void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu); 64 unsigned int id);
73 65extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
74static inline void kvmppc_queue_exception(struct kvm_vcpu *vcpu, int exception) 66extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
75{ 67extern int kvmppc_core_check_processor_compat(void);
76 unsigned int priority = exception_priority[exception]; 68extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
77 set_bit(priority, &vcpu->arch.pending_exceptions); 69 struct kvm_translation *tr);
78} 70
79 71extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
80static inline void kvmppc_clear_exception(struct kvm_vcpu *vcpu, int exception) 72extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
81{ 73
82 unsigned int priority = exception_priority[exception]; 74extern void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu);
83 clear_bit(priority, &vcpu->arch.pending_exceptions); 75extern void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu);
84} 76
85 77extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu);
86/* Helper function for "full" MSR writes. No need to call this if only EE is 78extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
87 * changing. */ 79extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu);
88static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr) 80extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
89{ 81extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
90 if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR)) 82 struct kvm_interrupt *irq);
91 kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR); 83
92 84extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
93 vcpu->arch.msr = new_msr; 85 unsigned int op, int *advance);
94 86extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
95 if (vcpu->arch.msr & MSR_WE) 87extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
96 kvm_vcpu_block(vcpu); 88
97} 89extern int kvmppc_booke_init(void);
98 90extern void kvmppc_booke_exit(void);
99static inline void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid)
100{
101 if (vcpu->arch.pid != new_pid) {
102 vcpu->arch.pid = new_pid;
103 vcpu->arch.swap_pid = 1;
104 }
105}
106 91
107extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); 92extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
108 93
diff --git a/arch/powerpc/include/asm/mmu-44x.h b/arch/powerpc/include/asm/mmu-44x.h
index 8a97cfb08b7..27cc6fdcd3b 100644
--- a/arch/powerpc/include/asm/mmu-44x.h
+++ b/arch/powerpc/include/asm/mmu-44x.h
@@ -56,6 +56,7 @@
56#ifndef __ASSEMBLY__ 56#ifndef __ASSEMBLY__
57 57
58extern unsigned int tlb_44x_hwater; 58extern unsigned int tlb_44x_hwater;
59extern unsigned int tlb_44x_index;
59 60
60typedef struct { 61typedef struct {
61 unsigned int id; 62 unsigned int id;
diff --git a/arch/powerpc/include/asm/swab.h b/arch/powerpc/include/asm/swab.h
new file mode 100644
index 00000000000..ef824ae4b79
--- /dev/null
+++ b/arch/powerpc/include/asm/swab.h
@@ -0,0 +1,90 @@
1#ifndef _ASM_POWERPC_SWAB_H
2#define _ASM_POWERPC_SWAB_H
3
4/*
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 */
10
11#include <asm/types.h>
12#include <linux/compiler.h>
13
14#ifdef __GNUC__
15
16#ifndef __powerpc64__
17#define __SWAB_64_THRU_32__
18#endif /* __powerpc64__ */
19
20#ifdef __KERNEL__
21
22static __inline__ __u16 ld_le16(const volatile __u16 *addr)
23{
24 __u16 val;
25
26 __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
27 return val;
28}
29#define __arch_swab16p ld_le16
30
31static __inline__ void st_le16(volatile __u16 *addr, const __u16 val)
32{
33 __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
34}
35
36static inline void __arch_swab16s(__u16 *addr)
37{
38 st_le16(addr, *addr);
39}
40#define __arch_swab16s __arch_swab16s
41
42static __inline__ __u32 ld_le32(const volatile __u32 *addr)
43{
44 __u32 val;
45
46 __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
47 return val;
48}
49#define __arch_swab32p ld_le32
50
51static __inline__ void st_le32(volatile __u32 *addr, const __u32 val)
52{
53 __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
54}
55
56static inline void __arch_swab32s(__u32 *addr)
57{
58 st_le32(addr, *addr);
59}
60#define __arch_swab32s __arch_swab32s
61
62static inline __attribute_const__ __u16 __arch_swab16(__u16 value)
63{
64 __u16 result;
65
66 __asm__("rlwimi %0,%1,8,16,23"
67 : "=r" (result)
68 : "r" (value), "0" (value >> 8));
69 return result;
70}
71#define __arch_swab16 __arch_swab16
72
73static inline __attribute_const__ __u32 __arch_swab32(__u32 value)
74{
75 __u32 result;
76
77 __asm__("rlwimi %0,%1,24,16,23\n\t"
78 "rlwimi %0,%1,8,8,15\n\t"
79 "rlwimi %0,%1,24,0,7"
80 : "=r" (result)
81 : "r" (value), "0" (value >> 24));
82 return result;
83}
84#define __arch_swab32 __arch_swab32
85
86#endif /* __KERNEL__ */
87
88#endif /* __GNUC__ */
89
90#endif /* _ASM_POWERPC_SWAB_H */
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index c32da6f9799..375258559ae 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -22,11 +22,11 @@ static inline cpumask_t node_to_cpumask(int node)
22 return numa_cpumask_lookup_table[node]; 22 return numa_cpumask_lookup_table[node];
23} 23}
24 24
25#define cpumask_of_node(node) (&numa_cpumask_lookup_table[node])
26
25static inline int node_to_first_cpu(int node) 27static inline int node_to_first_cpu(int node)
26{ 28{
27 cpumask_t tmp; 29 return cpumask_first(cpumask_of_node(node));
28 tmp = node_to_cpumask(node);
29 return first_cpu(tmp);
30} 30}
31 31
32int of_node_to_nid(struct device_node *device); 32int of_node_to_nid(struct device_node *device);
@@ -46,9 +46,12 @@ static inline int pcibus_to_node(struct pci_bus *bus)
46 node_to_cpumask(pcibus_to_node(bus)) \ 46 node_to_cpumask(pcibus_to_node(bus)) \
47 ) 47 )
48 48
49#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
50 cpu_all_mask : \
51 cpumask_of_node(pcibus_to_node(bus)))
52
49/* sched_domains SD_NODE_INIT for PPC64 machines */ 53/* sched_domains SD_NODE_INIT for PPC64 machines */
50#define SD_NODE_INIT (struct sched_domain) { \ 54#define SD_NODE_INIT (struct sched_domain) { \
51 .span = CPU_MASK_NONE, \
52 .parent = NULL, \ 55 .parent = NULL, \
53 .child = NULL, \ 56 .child = NULL, \
54 .groups = NULL, \ 57 .groups = NULL, \
@@ -109,6 +112,8 @@ static inline void sysfs_remove_device_from_node(struct sys_device *dev,
109 112
110#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) 113#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu))
111#define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu)) 114#define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu))
115#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
116#define topology_core_cpumask(cpu) (&per_cpu(cpu_core_map, cpu))
112#define topology_core_id(cpu) (cpu_to_core_id(cpu)) 117#define topology_core_id(cpu) (cpu_to_core_id(cpu))
113#endif 118#endif
114#endif 119#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-24 03:51:22 -0500