diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/cputime.h | 12 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsl_guts.h (renamed from arch/powerpc/include/asm/immap_86xx.h) | 111 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsldma.h | 137 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/highmem.h | 9 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/hydra.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_asm.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s.h | 31 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_host.h | 21 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_para.h | 139 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_ppc.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pgtable-ppc32.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pgtable-ppc64.h | 2 |
13 files changed, 261 insertions, 217 deletions
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index 8bdc6a9e5773..1cf20bdfbeca 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -124,23 +124,23 @@ static inline u64 cputime64_to_jiffies64(const cputime_t ct) } /* - * Convert cputime <-> milliseconds + * Convert cputime <-> microseconds */ extern u64 __cputime_msec_factor; -static inline unsigned long cputime_to_msecs(const cputime_t ct) +static inline unsigned long cputime_to_usecs(const cputime_t ct) { - return mulhdu(ct, __cputime_msec_factor); + return mulhdu(ct, __cputime_msec_factor) * USEC_PER_MSEC; } -static inline cputime_t msecs_to_cputime(const unsigned long ms) +static inline cputime_t usecs_to_cputime(const unsigned long us) { cputime_t ct; unsigned long sec; /* have to be a little careful about overflow */ - ct = ms % 1000; - sec = ms / 1000; + ct = us % 1000000; + sec = us / 1000000; if (ct) { ct *= tb_ticks_per_sec; do_div(ct, 1000); diff --git a/arch/powerpc/include/asm/immap_86xx.h b/arch/powerpc/include/asm/fsl_guts.h index 0f165e59c326..bebd12463ec9 100644 --- a/arch/powerpc/include/asm/immap_86xx.h +++ b/arch/powerpc/include/asm/fsl_guts.h @@ -1,5 +1,5 @@ /** - * MPC86xx Internal Memory Map + * Freecale 85xx and 86xx Global Utilties register set * * Authors: Jeff Brown * Timur Tabi <[email protected]> @@ -10,73 +10,112 @@ * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. - * - * This header file defines structures for various 86xx SOC devices that are - * used by multiple source files. */ -#ifndef __ASM_POWERPC_IMMAP_86XX_H__ -#define __ASM_POWERPC_IMMAP_86XX_H__ +#ifndef __ASM_POWERPC_FSL_GUTS_H__ +#define __ASM_POWERPC_FSL_GUTS_H__ #ifdef __KERNEL__ -/* Global Utility Registers */ -struct ccsr_guts { +/* + * These #ifdefs are safe because it's not possible to build a kernel that + * runs on e500 and e600 cores. + */ + +#if !defined(CONFIG_PPC_85xx) && !defined(CONFIG_PPC_86xx) +#error Only 85xx and 86xx SOCs are supported +#endif + +/** + * Global Utility Registers. + * + * Not all registers defined in this structure are available on all chips, so + * you are expected to know whether a given register actually exists on your + * chip before you access it. + * + * Also, some registers are similar on different chips but have slightly + * different names. In these cases, one name is chosen to avoid extraneous + * #ifdefs. + */ +#ifdef CONFIG_PPC_85xx +struct ccsr_guts_85xx { +#else +struct ccsr_guts_86xx { +#endif __be32 porpllsr; /* 0x.0000 - POR PLL Ratio Status Register */ __be32 porbmsr; /* 0x.0004 - POR Boot Mode Status Register */ __be32 porimpscr; /* 0x.0008 - POR I/O Impedance Status and Control Register */ __be32 pordevsr; /* 0x.000c - POR I/O Device Status Register */ __be32 pordbgmsr; /* 0x.0010 - POR Debug Mode Status Register */ - u8 res1[0x20 - 0x14]; + __be32 pordevsr2; /* 0x.0014 - POR device status register 2 */ + u8 res018[0x20 - 0x18]; __be32 porcir; /* 0x.0020 - POR Configuration Information Register */ - u8 res2[0x30 - 0x24]; + u8 res024[0x30 - 0x24]; __be32 gpiocr; /* 0x.0030 - GPIO Control Register */ - u8 res3[0x40 - 0x34]; + u8 res034[0x40 - 0x34]; __be32 gpoutdr; /* 0x.0040 - General-Purpose Output Data Register */ - u8 res4[0x50 - 0x44]; + u8 res044[0x50 - 0x44]; __be32 gpindr; /* 0x.0050 - General-Purpose Input Data Register */ - u8 res5[0x60 - 0x54]; + u8 res054[0x60 - 0x54]; __be32 pmuxcr; /* 0x.0060 - Alternate Function Signal Multiplex Control */ - u8 res6[0x70 - 0x64]; + __be32 pmuxcr2; /* 0x.0064 - Alternate function signal multiplex control 2 */ + __be32 dmuxcr; /* 0x.0068 - DMA Mux Control Register */ + u8 res06c[0x70 - 0x6c]; __be32 devdisr; /* 0x.0070 - Device Disable Control */ __be32 devdisr2; /* 0x.0074 - Device Disable Control 2 */ - u8 res7[0x80 - 0x78]; + u8 res078[0x7c - 0x78]; + __be32 pmjcr; /* 0x.007c - 4 Power Management Jog Control Register */ __be32 powmgtcsr; /* 0x.0080 - Power Management Status and Control Register */ - u8 res8[0x90 - 0x84]; + __be32 pmrccr; /* 0x.0084 - Power Management Reset Counter Configuration Register */ + __be32 pmpdccr; /* 0x.0088 - Power Management Power Down Counter Configuration Register */ + __be32 pmcdr; /* 0x.008c - 4Power management clock disable register */ __be32 mcpsumr; /* 0x.0090 - Machine Check Summary Register */ __be32 rstrscr; /* 0x.0094 - Reset Request Status and Control Register */ - u8 res9[0xA0 - 0x98]; + __be32 ectrstcr; /* 0x.0098 - Exception reset control register */ + __be32 autorstsr; /* 0x.009c - Automatic reset status register */ __be32 pvr; /* 0x.00a0 - Processor Version Register */ __be32 svr; /* 0x.00a4 - System Version Register */ - u8 res10[0xB0 - 0xA8]; + u8 res0a8[0xb0 - 0xa8]; __be32 rstcr; /* 0x.00b0 - Reset Control Register */ - u8 res11[0xC0 - 0xB4]; + u8 res0b4[0xc0 - 0xb4]; +#ifdef CONFIG_PPC_85xx + __be32 iovselsr; /* 0x.00c0 - I/O voltage select status register */ +#else __be32 elbcvselcr; /* 0x.00c0 - eLBC Voltage Select Ctrl Reg */ - u8 res12[0x800 - 0xC4]; +#endif + u8 res0c4[0x224 - 0xc4]; + __be32 iodelay1; /* 0x.0224 - IO delay control register 1 */ + __be32 iodelay2; /* 0x.0228 - IO delay control register 2 */ + u8 res22c[0x800 - 0x22c]; __be32 clkdvdr; /* 0x.0800 - Clock Divide Register */ - u8 res13[0x900 - 0x804]; + u8 res804[0x900 - 0x804]; __be32 ircr; /* 0x.0900 - Infrared Control Register */ - u8 res14[0x908 - 0x904]; + u8 res904[0x908 - 0x904]; __be32 dmacr; /* 0x.0908 - DMA Control Register */ - u8 res15[0x914 - 0x90C]; + u8 res90c[0x914 - 0x90c]; __be32 elbccr; /* 0x.0914 - eLBC Control Register */ - u8 res16[0xB20 - 0x918]; + u8 res918[0xb20 - 0x918]; __be32 ddr1clkdr; /* 0x.0b20 - DDR1 Clock Disable Register */ __be32 ddr2clkdr; /* 0x.0b24 - DDR2 Clock Disable Register */ __be32 ddrclkdr; /* 0x.0b28 - DDR Clock Disable Register */ - u8 res17[0xE00 - 0xB2C]; + u8 resb2c[0xe00 - 0xb2c]; __be32 clkocr; /* 0x.0e00 - Clock Out Select Register */ - u8 res18[0xE10 - 0xE04]; + u8 rese04[0xe10 - 0xe04]; __be32 ddrdllcr; /* 0x.0e10 - DDR DLL Control Register */ - u8 res19[0xE20 - 0xE14]; + u8 rese14[0xe20 - 0xe14]; __be32 lbcdllcr; /* 0x.0e20 - LBC DLL Control Register */ - u8 res20[0xF04 - 0xE24]; + __be32 cpfor; /* 0x.0e24 - L2 charge pump fuse override register */ + u8 rese28[0xf04 - 0xe28]; __be32 srds1cr0; /* 0x.0f04 - SerDes1 Control Register 0 */ __be32 srds1cr1; /* 0x.0f08 - SerDes1 Control Register 0 */ - u8 res21[0xF40 - 0xF0C]; - __be32 srds2cr0; /* 0x.0f40 - SerDes1 Control Register 0 */ - __be32 srds2cr1; /* 0x.0f44 - SerDes1 Control Register 0 */ + u8 resf0c[0xf2c - 0xf0c]; + __be32 itcr; /* 0x.0f2c - Internal transaction control register */ + u8 resf30[0xf40 - 0xf30]; + __be32 srds2cr0; /* 0x.0f40 - SerDes2 Control Register 0 */ + __be32 srds2cr1; /* 0x.0f44 - SerDes2 Control Register 0 */ } __attribute__ ((packed)); +#ifdef CONFIG_PPC_86xx + #define CCSR_GUTS_DMACR_DEV_SSI 0 /* DMA controller/channel set to SSI */ #define CCSR_GUTS_DMACR_DEV_IR 1 /* DMA controller/channel set to IR */ @@ -93,7 +132,7 @@ struct ccsr_guts { * ch: The channel on the DMA controller (0, 1, 2, or 3) * device: The device to set as the source (CCSR_GUTS_DMACR_DEV_xx) */ -static inline void guts_set_dmacr(struct ccsr_guts __iomem *guts, +static inline void guts_set_dmacr(struct ccsr_guts_86xx __iomem *guts, unsigned int co, unsigned int ch, unsigned int device) { unsigned int shift = 16 + (8 * (1 - co) + 2 * (3 - ch)); @@ -129,7 +168,7 @@ static inline void guts_set_dmacr(struct ccsr_guts __iomem *guts, * ch: The channel on the DMA controller (0, 1, 2, or 3) * value: the new value for the bit (0 or 1) */ -static inline void guts_set_pmuxcr_dma(struct ccsr_guts __iomem *guts, +static inline void guts_set_pmuxcr_dma(struct ccsr_guts_86xx __iomem *guts, unsigned int co, unsigned int ch, unsigned int value) { if ((ch == 0) || (ch == 3)) { @@ -152,5 +191,7 @@ static inline void guts_set_pmuxcr_dma(struct ccsr_guts __iomem *guts, #define CCSR_GUTS_CLKDVDR_SSICLK_MASK 0x000000FF #define CCSR_GUTS_CLKDVDR_SSICLK(x) ((x) & CCSR_GUTS_CLKDVDR_SSICLK_MASK) -#endif /* __ASM_POWERPC_IMMAP_86XX_H__ */ -#endif /* __KERNEL__ */ +#endif + +#endif +#endif diff --git a/arch/powerpc/include/asm/fsldma.h b/arch/powerpc/include/asm/fsldma.h deleted file mode 100644 index debc5ed96d6e..000000000000 --- a/arch/powerpc/include/asm/fsldma.h +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Freescale MPC83XX / MPC85XX DMA Controller - * - * Copyright (c) 2009 Ira W. Snyder <[email protected]> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#ifndef __ARCH_POWERPC_ASM_FSLDMA_H__ -#define __ARCH_POWERPC_ASM_FSLDMA_H__ - -#include <linux/slab.h> -#include <linux/dmaengine.h> - -/* - * Definitions for the Freescale DMA controller's DMA_SLAVE implemention - * - * The Freescale DMA_SLAVE implementation was designed to handle many-to-many - * transfers. An example usage would be an accelerated copy between two - * scatterlists. Another example use would be an accelerated copy from - * multiple non-contiguous device buffers into a single scatterlist. - * - * A DMA_SLAVE transaction is defined by a struct fsl_dma_slave. This - * structure contains a list of hardware addresses that should be copied - * to/from the scatterlist passed into device_prep_slave_sg(). The structure - * also has some fields to enable hardware-specific features. - */ - -/** - * struct fsl_dma_hw_addr - * @entry: linked list entry - * @address: the hardware address - * @length: length to transfer - * - * Holds a single physical hardware address / length pair for use - * with the DMAEngine DMA_SLAVE API. - */ -struct fsl_dma_hw_addr { - struct list_head entry; - - dma_addr_t address; - size_t length; -}; - -/** - * struct fsl_dma_slave - * @addresses: a linked list of struct fsl_dma_hw_addr structures - * @request_count: value for DMA request count - * @src_loop_size: setup and enable constant source-address DMA transfers - * @dst_loop_size: setup and enable constant destination address DMA transfers - * @external_start: enable externally started DMA transfers - * @external_pause: enable externally paused DMA transfers - * - * Holds a list of address / length pairs for use with the DMAEngine - * DMA_SLAVE API implementation for the Freescale DMA controller. - */ -struct fsl_dma_slave { - - /* List of hardware address/length pairs */ - struct list_head addresses; - - /* Support for extra controller features */ - unsigned int request_count; - unsigned int src_loop_size; - unsigned int dst_loop_size; - bool external_start; - bool external_pause; -}; - -/** - * fsl_dma_slave_append - add an address/length pair to a struct fsl_dma_slave - * @slave: the &struct fsl_dma_slave to add to - * @address: the hardware address to add - * @length: the length of bytes to transfer from @address - * - * Add a hardware address/length pair to a struct fsl_dma_slave. Returns 0 on - * success, -ERRNO otherwise. - */ -static inline int fsl_dma_slave_append(struct fsl_dma_slave *slave, - dma_addr_t address, size_t length) -{ - struct fsl_dma_hw_addr *addr; - - addr = kzalloc(sizeof(*addr), GFP_ATOMIC); - if (!addr) - return -ENOMEM; - - INIT_LIST_HEAD(&addr->entry); - addr->address = address; - addr->length = length; - - list_add_tail(&addr->entry, &slave->addresses); - return 0; -} - -/** - * fsl_dma_slave_free - free a struct fsl_dma_slave - * @slave: the struct fsl_dma_slave to free - * - * Free a struct fsl_dma_slave and all associated address/length pairs - */ -static inline void fsl_dma_slave_free(struct fsl_dma_slave *slave) -{ - struct fsl_dma_hw_addr *addr, *tmp; - - if (slave) { - list_for_each_entry_safe(addr, tmp, &slave->addresses, entry) { - list_del(&addr->entry); - kfree(addr); - } - - kfree(slave); - } -} - -/** - * fsl_dma_slave_alloc - allocate a struct fsl_dma_slave - * @gfp: the flags to pass to kmalloc when allocating this structure - * - * Allocate a struct fsl_dma_slave for use by the DMA_SLAVE API. Returns a new - * struct fsl_dma_slave on success, or NULL on failure. - */ -static inline struct fsl_dma_slave *fsl_dma_slave_alloc(gfp_t gfp) -{ - struct fsl_dma_slave *slave; - - slave = kzalloc(sizeof(*slave), gfp); - if (!slave) - return NULL; - - INIT_LIST_HEAD(&slave->addresses); - return slave; -} - -#endif /* __ARCH_POWERPC_ASM_FSLDMA_H__ */ diff --git a/arch/powerpc/include/asm/highmem.h b/arch/powerpc/include/asm/highmem.h index d10d64a4be38..dbc264010d0b 100644 --- a/arch/powerpc/include/asm/highmem.h +++ b/arch/powerpc/include/asm/highmem.h @@ -60,9 +60,8 @@ extern pte_t *pkmap_page_table; extern void *kmap_high(struct page *page); extern void kunmap_high(struct page *page); -extern void *kmap_atomic_prot(struct page *page, enum km_type type, - pgprot_t prot); -extern void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type); +extern void *kmap_atomic_prot(struct page *page, pgprot_t prot); +extern void __kunmap_atomic(void *kvaddr); static inline void *kmap(struct page *page) { @@ -80,9 +79,9 @@ static inline void kunmap(struct page *page) kunmap_high(page); } -static inline void *kmap_atomic(struct page *page, enum km_type type) +static inline void *__kmap_atomic(struct page *page) { - return kmap_atomic_prot(page, type, kmap_prot); + return kmap_atomic_prot(page, kmap_prot); } static inline struct page *kmap_atomic_to_page(void *ptr) diff --git a/arch/powerpc/include/asm/hydra.h b/arch/powerpc/include/asm/hydra.h index 1ad4eed07fbe..5b0c98bd46ab 100644 --- a/arch/powerpc/include/asm/hydra.h +++ b/arch/powerpc/include/asm/hydra.h @@ -10,7 +10,7 @@ * * © Copyright 1995 Apple Computer, Inc. All rights reserved. * - * It's available online from http://chrp.apple.com/MacTech.pdf. + * It's available online from http://www.cpu.lu/~mlan/ftp/MacTech.pdf * You can obtain paper copies of this book from computer bookstores or by * writing Morgan Kaufmann Publishers, Inc., 340 Pine Street, Sixth Floor, San * Francisco, CA 94104. Reference ISBN 1-55860-393-X. diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index 6c5547d82bbe..18ea6963ad77 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -86,5 +86,6 @@ struct kvm_guest_debug_arch { #define KVM_INTERRUPT_SET -1U #define KVM_INTERRUPT_UNSET -2U +#define KVM_INTERRUPT_SET_LEVEL -3U #endif /* __LINUX_KVM_POWERPC_H */ diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h index c5ea4cda34b3..5b7504674397 100644 --- a/arch/powerpc/include/asm/kvm_asm.h +++ b/arch/powerpc/include/asm/kvm_asm.h @@ -58,6 +58,7 @@ #define BOOK3S_INTERRUPT_INST_STORAGE 0x400 #define BOOK3S_INTERRUPT_INST_SEGMENT 0x480 #define BOOK3S_INTERRUPT_EXTERNAL 0x500 +#define BOOK3S_INTERRUPT_EXTERNAL_LEVEL 0x501 #define BOOK3S_INTERRUPT_ALIGNMENT 0x600 #define BOOK3S_INTERRUPT_PROGRAM 0x700 #define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800 @@ -84,7 +85,8 @@ #define BOOK3S_IRQPRIO_EXTERNAL 13 #define BOOK3S_IRQPRIO_DECREMENTER 14 #define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR 15 -#define BOOK3S_IRQPRIO_MAX 16 +#define BOOK3S_IRQPRIO_EXTERNAL_LEVEL 16 +#define BOOK3S_IRQPRIO_MAX 17 #define BOOK3S_HFLAG_DCBZ32 0x1 #define BOOK3S_HFLAG_SLB 0x2 diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 8274a2d43925..d62e703f1214 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -38,15 +38,6 @@ struct kvmppc_slb { bool class : 1; }; -struct kvmppc_sr { - u32 raw; - u32 vsid; - bool Ks : 1; - bool Kp : 1; - bool nx : 1; - bool valid : 1; -}; - struct kvmppc_bat { u64 raw; u32 bepi; @@ -69,6 +60,13 @@ struct kvmppc_sid_map { #define SID_MAP_NUM (1 << SID_MAP_BITS) #define SID_MAP_MASK (SID_MAP_NUM - 1) +#ifdef CONFIG_PPC_BOOK3S_64 +#define SID_CONTEXTS 1 +#else +#define SID_CONTEXTS 128 +#define VSID_POOL_SIZE (SID_CONTEXTS * 16) +#endif + struct kvmppc_vcpu_book3s { struct kvm_vcpu vcpu; struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; @@ -79,20 +77,22 @@ struct kvmppc_vcpu_book3s { u64 vsid; } slb_shadow[64]; u8 slb_shadow_max; - struct kvmppc_sr sr[16]; struct kvmppc_bat ibat[8]; struct kvmppc_bat dbat[8]; u64 hid[6]; u64 gqr[8]; int slb_nr; - u32 dsisr; u64 sdr1; u64 hior; u64 msr_mask; - u64 vsid_first; u64 vsid_next; +#ifdef CONFIG_PPC_BOOK3S_32 + u32 vsid_pool[VSID_POOL_SIZE]; +#else + u64 vsid_first; u64 vsid_max; - int context_id; +#endif + int context_id[SID_CONTEXTS]; ulong prog_flags; /* flags to inject when giving a 700 trap */ }; @@ -131,9 +131,10 @@ extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, bool upper, u32 val); extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr); extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu); +extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn); -extern u32 kvmppc_trampoline_lowmem; -extern u32 kvmppc_trampoline_enter; +extern ulong kvmppc_trampoline_lowmem; +extern ulong kvmppc_trampoline_enter; extern void kvmppc_rmcall(ulong srr0, ulong srr1); extern void kvmppc_load_up_fpu(void); extern void kvmppc_load_up_altivec(void); diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index b0b23c007d6e..bba3b9b72a39 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/types.h> #include <linux/kvm_types.h> +#include <linux/kvm_para.h> #include <asm/kvm_asm.h> #define KVM_MAX_VCPUS 1 @@ -41,12 +42,17 @@ #define HPTEG_CACHE_NUM (1 << 15) #define HPTEG_HASH_BITS_PTE 13 +#define HPTEG_HASH_BITS_PTE_LONG 12 #define HPTEG_HASH_BITS_VPTE 13 #define HPTEG_HASH_BITS_VPTE_LONG 5 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) +#define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) +/* Physical Address Mask - allowed range of real mode RAM access */ +#define KVM_PAM 0x0fffffffffffffffULL + struct kvm; struct kvm_run; struct kvm_vcpu; @@ -159,8 +165,10 @@ struct kvmppc_mmu { struct hpte_cache { struct hlist_node list_pte; + struct hlist_node list_pte_long; struct hlist_node list_vpte; struct hlist_node list_vpte_long; + struct rcu_head rcu_head; u64 host_va; u64 pfn; ulong slot; @@ -210,28 +218,20 @@ struct kvm_vcpu_arch { u32 cr; #endif - ulong msr; #ifdef CONFIG_PPC_BOOK3S ulong shadow_msr; ulong hflags; ulong guest_owned_ext; #endif u32 mmucr; - ulong sprg0; - ulong sprg1; - ulong sprg2; - ulong sprg3; ulong sprg4; ulong sprg5; ulong sprg6; ulong sprg7; - ulong srr0; - ulong srr1; ulong csrr0; ulong csrr1; ulong dsrr0; ulong dsrr1; - ulong dear; ulong esr; u32 dec; u32 decar; @@ -290,12 +290,17 @@ struct kvm_vcpu_arch { struct tasklet_struct tasklet; u64 dec_jiffies; unsigned long pending_exceptions; + struct kvm_vcpu_arch_shared *shared; + unsigned long magic_page_pa; /* phys addr to map the magic page to */ + unsigned long magic_page_ea; /* effect. addr to map the magic page to */ #ifdef CONFIG_PPC_BOOK3S struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; + struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG]; int hpte_cache_count; + spinlock_t mmu_lock; #endif }; diff --git a/arch/powerpc/include/asm/kvm_para.h b/arch/powerpc/include/asm/kvm_para.h index 2d48f6a63d0b..50533f9adf40 100644 --- a/arch/powerpc/include/asm/kvm_para.h +++ b/arch/powerpc/include/asm/kvm_para.h @@ -20,16 +20,153 @@ #ifndef __POWERPC_KVM_PARA_H__ #define __POWERPC_KVM_PARA_H__ +#include <linux/types.h> + +struct kvm_vcpu_arch_shared { + __u64 scratch1; + __u64 scratch2; + __u64 scratch3; + __u64 critical; /* Guest may not get interrupts if == r1 */ + __u64 sprg0; + __u64 sprg1; + __u64 sprg2; + __u64 sprg3; + __u64 srr0; + __u64 srr1; + __u64 dar; + __u64 msr; + __u32 dsisr; + __u32 int_pending; /* Tells the guest if we have an interrupt */ + __u32 sr[16]; +}; + +#define KVM_SC_MAGIC_R0 0x4b564d21 /* "KVM!" */ +#define HC_VENDOR_KVM (42 << 16) +#define HC_EV_SUCCESS 0 +#define HC_EV_UNIMPLEMENTED 12 + +#define KVM_FEATURE_MAGIC_PAGE 1 + +#define KVM_MAGIC_FEAT_SR (1 << 0) + #ifdef __KERNEL__ +#ifdef CONFIG_KVM_GUEST + +#include <linux/of.h> + +static inline int kvm_para_available(void) +{ + struct device_node *hyper_node; + + hyper_node = of_find_node_by_path("/hypervisor"); + if (!hyper_node) + return 0; + + if (!of_device_is_compatible(hyper_node, "linux,kvm")) + return 0; + + return 1; +} + +extern unsigned long kvm_hypercall(unsigned long *in, + unsigned long *out, + unsigned long nr); + +#else + static inline int kvm_para_available(void) { return 0; } +static unsigned long kvm_hypercall(unsigned long *in, + unsigned long *out, + unsigned long nr) +{ + return HC_EV_UNIMPLEMENTED; +} + +#endif + +static inline long kvm_hypercall0_1(unsigned int nr, unsigned long *r2) +{ + unsigned long in[8]; + unsigned long out[8]; + unsigned long r; + + r = kvm_hypercall(in, out, nr | HC_VENDOR_KVM); + *r2 = out[0]; + + return r; +} + +static inline long kvm_hypercall0(unsigned int nr) +{ + unsigned long in[8]; + unsigned long out[8]; + + return kvm_hypercall(in, out, nr | HC_VENDOR_KVM); +} + +static inline long kvm_hypercall1(unsigned int nr, unsigned long p1) +{ + unsigned long in[8]; + unsigned long out[8]; + + in[0] = p1; + return kvm_hypercall(in, out, nr | HC_VENDOR_KVM); +} + +static inline long kvm_hypercall2(unsigned int nr, unsigned long p1, + unsigned long p2) +{ + unsigned long in[8]; + unsigned long out[8]; + + in[0] = p1; + in[1] = p2; + return kvm_hypercall(in, out, nr | HC_VENDOR_KVM); +} + +static inline long kvm_hypercall3(unsigned int nr, unsigned long p1, + unsigned long p2, unsigned long p3) +{ + unsigned long in[8]; + unsigned long out[8]; + + in[0] = p1; + in[1] = p2; + in[2] = p3; + return kvm_hypercall(in, out, nr | HC_VENDOR_KVM); +} + +static inline long kvm_hypercall4(unsigned int nr, unsigned long p1, + unsigned long p2, unsigned long p3, + unsigned long p4) +{ + unsigned long in[8]; + unsigned long out[8]; + + in[0] = p1; + in[1] = p2; + in[2] = p3; + in[3] = p4; + return kvm_hypercall(in, out, nr | HC_VENDOR_KVM); +} + + static inline unsigned int kvm_arch_para_features(void) { - return 0; + unsigned long r; + + if (!kvm_para_available()) + return 0; + + if(kvm_hypercall0_1(KVM_HC_FEATURES, &r)) + return 0; + + return r; } #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 18d139ec2d22..ecb3bc74c344 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -107,6 +107,7 @@ extern int kvmppc_booke_init(void); extern void kvmppc_booke_exit(void); extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); +extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu); /* * Cuts out inst bits with ordering according to spec. diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h index a7db96f2b5c3..47edde8c3556 100644 --- a/arch/powerpc/include/asm/pgtable-ppc32.h +++ b/arch/powerpc/include/asm/pgtable-ppc32.h @@ -308,12 +308,8 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry) #define pte_offset_kernel(dir, addr) \ ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(addr)) #define pte_offset_map(dir, addr) \ - ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE0) + pte_index(addr)) -#define pte_offset_map_nested(dir, addr) \ - ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE1) + pte_index(addr)) - -#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) -#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1) + ((pte_t *) kmap_atomic(pmd_page(*(dir))) + pte_index(addr)) +#define pte_unmap(pte) kunmap_atomic(pte) /* * Encode and decode a swap entry. diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 49865045d56f..2b09cd522d33 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -193,9 +193,7 @@ (((pte_t *) pmd_page_vaddr(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) #define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr)) -#define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir), (addr)) #define pte_unmap(pte) do { } while(0) -#define pte_unmap_nested(pte) do { } while(0) /* to find an entry in a kernel page-table-directory */ /* This now only contains the vmalloc pages */ |