diff options
Diffstat (limited to 'arch/powerpc/include')
37 files changed, 717 insertions, 251 deletions
diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h index 24d79e3abd8e..0835eb977ba9 100644 --- a/arch/powerpc/include/asm/cpm.h +++ b/arch/powerpc/include/asm/cpm.h @@ -3,8 +3,47 @@ #include <linux/compiler.h> #include <linux/types.h> +#include <linux/errno.h> #include <linux/of.h> +/* + * USB Controller pram common to QE and CPM. + */ +struct usb_ctlr { + u8 usb_usmod; + u8 usb_usadr; + u8 usb_uscom; + u8 res1[1]; + __be16 usb_usep[4]; + u8 res2[4]; + __be16 usb_usber; + u8 res3[2]; + __be16 usb_usbmr; + u8 res4[1]; + u8 usb_usbs; + /* Fields down below are QE-only */ + __be16 usb_ussft; + u8 res5[2]; + __be16 usb_usfrn; + u8 res6[0x22]; +} __attribute__ ((packed)); + +/* + * Function code bits, usually generic to devices. + */ +#ifdef CONFIG_CPM1 +#define CPMFCR_GBL ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_TC2 ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_DTB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_BDB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#else +#define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ +#define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ +#define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ +#define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ +#endif +#define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ + /* Opcodes common to CPM1 and CPM2 */ #define CPM_CR_INIT_TRX ((ushort)0x0000) @@ -93,13 +132,56 @@ typedef struct cpm_buf_desc { #define BD_I2C_START (0x0400) int cpm_muram_init(void); + +#if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) unsigned long cpm_muram_alloc(unsigned long size, unsigned long align); int cpm_muram_free(unsigned long offset); unsigned long cpm_muram_alloc_fixed(unsigned long offset, unsigned long size); void __iomem *cpm_muram_addr(unsigned long offset); unsigned long cpm_muram_offset(void __iomem *addr); dma_addr_t cpm_muram_dma(void __iomem *addr); +#else +static inline unsigned long cpm_muram_alloc(unsigned long size, + unsigned long align) +{ + return -ENOSYS; +} + +static inline int cpm_muram_free(unsigned long offset) +{ + return -ENOSYS; +} + +static inline unsigned long cpm_muram_alloc_fixed(unsigned long offset, + unsigned long size) +{ + return -ENOSYS; +} + +static inline void __iomem *cpm_muram_addr(unsigned long offset) +{ + return NULL; +} + +static inline unsigned long cpm_muram_offset(void __iomem *addr) +{ + return -ENOSYS; +} + +static inline dma_addr_t cpm_muram_dma(void __iomem *addr) +{ + return 0; +} +#endif /* defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) */ + +#ifdef CONFIG_CPM int cpm_command(u32 command, u8 opcode); +#else +static inline int cpm_command(u32 command, u8 opcode) +{ + return -ENOSYS; +} +#endif /* CONFIG_CPM */ int cpm2_gpiochip_add32(struct device_node *np); diff --git a/arch/powerpc/include/asm/cpm1.h b/arch/powerpc/include/asm/cpm1.h index 7685ffde8821..81b01192f440 100644 --- a/arch/powerpc/include/asm/cpm1.h +++ b/arch/powerpc/include/asm/cpm1.h @@ -478,51 +478,6 @@ typedef struct iic { char res2[2]; /* Reserved */ } iic_t; -/* SPI parameter RAM. -*/ -typedef struct spi { - ushort spi_rbase; /* Rx Buffer descriptor base address */ - ushort spi_tbase; /* Tx Buffer descriptor base address */ - u_char spi_rfcr; /* Rx function code */ - u_char spi_tfcr; /* Tx function code */ - ushort spi_mrblr; /* Max receive buffer length */ - uint spi_rstate; /* Internal */ - uint spi_rdp; /* Internal */ - ushort spi_rbptr; /* Internal */ - ushort spi_rbc; /* Internal */ - uint spi_rxtmp; /* Internal */ - uint spi_tstate; /* Internal */ - uint spi_tdp; /* Internal */ - ushort spi_tbptr; /* Internal */ - ushort spi_tbc; /* Internal */ - uint spi_txtmp; /* Internal */ - uint spi_res; - ushort spi_rpbase; /* Relocation pointer */ - ushort spi_res2; -} spi_t; - -/* SPI Mode register. -*/ -#define SPMODE_LOOP ((ushort)0x4000) /* Loopback */ -#define SPMODE_CI ((ushort)0x2000) /* Clock Invert */ -#define SPMODE_CP ((ushort)0x1000) /* Clock Phase */ -#define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */ -#define SPMODE_REV ((ushort)0x0400) /* Reversed Data */ -#define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */ -#define SPMODE_EN ((ushort)0x0100) /* Enable */ -#define SPMODE_LENMSK ((ushort)0x00f0) /* character length */ -#define SPMODE_LEN4 ((ushort)0x0030) /* 4 bits per char */ -#define SPMODE_LEN8 ((ushort)0x0070) /* 8 bits per char */ -#define SPMODE_LEN16 ((ushort)0x00f0) /* 16 bits per char */ -#define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */ - -/* SPIE fields */ -#define SPIE_MME 0x20 -#define SPIE_TXE 0x10 -#define SPIE_BSY 0x04 -#define SPIE_TXB 0x02 -#define SPIE_RXB 0x01 - /* * RISC Controller Configuration Register definitons */ diff --git a/arch/powerpc/include/asm/cpm2.h b/arch/powerpc/include/asm/cpm2.h index 990ff191da8b..f42e9baf3a4e 100644 --- a/arch/powerpc/include/asm/cpm2.h +++ b/arch/powerpc/include/asm/cpm2.h @@ -124,14 +124,6 @@ static inline void cpm2_fastbrg(uint brg, uint rate, int div16) __cpm2_setbrg(brg, rate, CPM2_BRG_INT_CLK, div16, CPM_BRG_EXTC_INT); } -/* Function code bits, usually generic to devices. -*/ -#define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ -#define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ -#define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ -#define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ -#define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ - /* Parameter RAM offsets from the base. */ #define PROFF_SCC1 ((uint)0x8000) @@ -654,45 +646,6 @@ typedef struct iic { uint iic_txtmp; /* Internal */ } iic_t; -/* SPI parameter RAM. -*/ -typedef struct spi { - ushort spi_rbase; /* Rx Buffer descriptor base address */ - ushort spi_tbase; /* Tx Buffer descriptor base address */ - u_char spi_rfcr; /* Rx function code */ - u_char spi_tfcr; /* Tx function code */ - ushort spi_mrblr; /* Max receive buffer length */ - uint spi_rstate; /* Internal */ - uint spi_rdp; /* Internal */ - ushort spi_rbptr; /* Internal */ - ushort spi_rbc; /* Internal */ - uint spi_rxtmp; /* Internal */ - uint spi_tstate; /* Internal */ - uint spi_tdp; /* Internal */ - ushort spi_tbptr; /* Internal */ - ushort spi_tbc; /* Internal */ - uint spi_txtmp; /* Internal */ - uint spi_res; /* Tx temp. */ - uint spi_res1[4]; /* SDMA temp. */ -} spi_t; - -/* SPI Mode register. -*/ -#define SPMODE_LOOP ((ushort)0x4000) /* Loopback */ -#define SPMODE_CI ((ushort)0x2000) /* Clock Invert */ -#define SPMODE_CP ((ushort)0x1000) /* Clock Phase */ -#define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */ -#define SPMODE_REV ((ushort)0x0400) /* Reversed Data */ -#define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */ -#define SPMODE_EN ((ushort)0x0100) /* Enable */ -#define SPMODE_LENMSK ((ushort)0x00f0) /* character length */ -#define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */ - -#define SPMODE_LEN(x) ((((x)-1)&0xF)<<4) -#define SPMODE_PM(x) ((x) &0xF) - -#define SPI_EB ((u_char)0x10) /* big endian byte order */ - /* IDMA parameter RAM */ typedef struct idma { diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index a98653b26231..57c400071995 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -147,6 +147,7 @@ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ + DO_KVM n; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common) @@ -170,6 +171,7 @@ label##_pSeries: \ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ + DO_KVM n; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ mfspr r13,SPRN_SPRG_PACA; /* get paca address into r13 */ \ std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \ diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index b1dafb6a9743..5856a66ab404 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -3,6 +3,10 @@ #include <asm/page.h> +pte_t *huge_pte_offset_and_shift(struct mm_struct *mm, + unsigned long addr, unsigned *shift); + +void flush_dcache_icache_hugepage(struct page *page); int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len); @@ -11,12 +15,6 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, unsigned long floor, unsigned long ceiling); -void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte); - -pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep); - /* * The version of vma_mmu_pagesize() in arch/powerpc/mm/hugetlbpage.c needs * to override the version in mm/hugetlb.c @@ -42,9 +40,26 @@ static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) { } + +static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ + set_pte_at(mm, addr, ptep, pte); +} + +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + unsigned long old = pte_update(mm, addr, ptep, ~0UL, 1); + return __pte(old); +} + static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { + pte_t pte; + pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); + flush_tlb_page(vma, addr); } static inline int huge_pte_none(pte_t pte) diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index c27caac47ad1..f0275818b95c 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -212,6 +212,19 @@ #define H_QUERY_INT_STATE 0x1E4 #define H_POLL_PENDING 0x1D8 #define H_ILLAN_ATTRIBUTES 0x244 +#define H_MODIFY_HEA_QP 0x250 +#define H_QUERY_HEA_QP 0x254 +#define H_QUERY_HEA 0x258 +#define H_QUERY_HEA_PORT 0x25C +#define H_MODIFY_HEA_PORT 0x260 +#define H_REG_BCMC 0x264 +#define H_DEREG_BCMC 0x268 +#define H_REGISTER_HEA_RPAGES 0x26C +#define H_DISABLE_AND_GET_HEA 0x270 +#define H_GET_HEA_INFO 0x274 +#define H_ALLOC_HEA_RESOURCE 0x278 +#define H_ADD_CONN 0x284 +#define H_DEL_CONN 0x288 #define H_JOIN 0x298 #define H_VASI_STATE 0x2A4 #define H_ENABLE_CRQ 0x2B0 diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index abbc2aaaced5..9f4c9d4f5803 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -64,11 +64,6 @@ extern void iseries_handle_interrupts(void); get_paca()->hard_enabled = 0; \ } while(0) -static inline int irqs_disabled_flags(unsigned long flags) -{ - return flags == 0; -} - #else #if defined(CONFIG_BOOKE) diff --git a/arch/powerpc/include/asm/immap_cpm2.h b/arch/powerpc/include/asm/immap_cpm2.h index d4f069bf0e57..7c64fda5357b 100644 --- a/arch/powerpc/include/asm/immap_cpm2.h +++ b/arch/powerpc/include/asm/immap_cpm2.h @@ -549,7 +549,7 @@ typedef struct comm_proc { /* USB Controller. */ -typedef struct usb_ctlr { +typedef struct cpm_usb_ctlr { u8 usb_usmod; u8 usb_usadr; u8 usb_uscom; diff --git a/arch/powerpc/include/asm/immap_qe.h b/arch/powerpc/include/asm/immap_qe.h index c346d0bcd230..4e10f508570a 100644 --- a/arch/powerpc/include/asm/immap_qe.h +++ b/arch/powerpc/include/asm/immap_qe.h @@ -210,7 +210,7 @@ struct sir { } __attribute__ ((packed)); /* USB Controller */ -struct usb_ctlr { +struct qe_usb_ctlr { u8 usb_usmod; u8 usb_usadr; u8 usb_uscom; @@ -229,7 +229,7 @@ struct usb_ctlr { } __attribute__ ((packed)); /* MCC */ -struct mcc { +struct qe_mcc { __be32 mcce; /* MCC event register */ __be32 mccm; /* MCC mask register */ __be32 mccf; /* MCC configuration register */ @@ -431,9 +431,9 @@ struct qe_immap { struct qe_mux qmx; /* QE Multiplexer */ struct qe_timers qet; /* QE Timers */ struct spi spi[0x2]; /* spi */ - struct mcc mcc; /* mcc */ + struct qe_mcc mcc; /* mcc */ struct qe_brg brg; /* brg */ - struct usb_ctlr usb; /* USB */ + struct qe_usb_ctlr usb; /* USB */ struct si1 si1; /* SI */ u8 res11[0x800]; struct sir sir; /* SI Routing Tables */ diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index bbcd1aaf3dfd..e054baef1845 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -17,8 +17,6 @@ #include <asm/atomic.h> -#define get_irq_desc(irq) (&irq_desc[(irq)]) - /* Define a way to iterate across irqs. */ #define for_each_irq(i) \ for ((i) = 0; (i) < NR_IRQS; ++(i)) @@ -34,12 +32,15 @@ extern atomic_t ppc_n_lost_interrupts; */ #define NO_IRQ_IGNORE ((unsigned int)-1) -/* Total number of virq in the platform (make it a CONFIG_* option ? */ -#define NR_IRQS 512 +/* Total number of virq in the platform */ +#define NR_IRQS CONFIG_NR_IRQS /* Number of irqs reserved for the legacy controller */ #define NUM_ISA_INTERRUPTS 16 +/* Same thing, used by the generic IRQ code */ +#define NR_IRQS_LEGACY NUM_ISA_INTERRUPTS + /* This type is the placeholder for a hardware interrupt number. It has to * be big enough to enclose whatever representation is used by a given * platform. @@ -99,7 +100,7 @@ struct irq_host_ops { * interrupt controller has for that line) */ int (*xlate)(struct irq_host *h, struct device_node *ctrler, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_type); }; @@ -313,7 +314,7 @@ extern void irq_free_virt(unsigned int virq, unsigned int count); * of the of_irq_map_*() functions. */ extern unsigned int irq_create_of_mapping(struct device_node *controller, - u32 *intspec, unsigned int intsize); + const u32 *intspec, unsigned int intsize); /** * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index bb2de6aa5ce0..81f3b0b5601e 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -46,6 +46,24 @@ struct kvm_regs { }; struct kvm_sregs { + __u32 pvr; + union { + struct { + __u64 sdr1; + struct { + struct { + __u64 slbe; + __u64 slbv; + } slb[64]; + } ppc64; + struct { + __u32 sr[16]; + __u64 ibat[8]; + __u64 dbat[8]; + } ppc32; + } s; + __u8 pad[1020]; + } u; }; struct kvm_fpu { diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h index 56bfae59837f..af2abe74f544 100644 --- a/arch/powerpc/include/asm/kvm_asm.h +++ b/arch/powerpc/include/asm/kvm_asm.h @@ -49,6 +49,46 @@ #define BOOKE_INTERRUPT_SPE_FP_ROUND 34 #define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35 +/* book3s */ + +#define BOOK3S_INTERRUPT_SYSTEM_RESET 0x100 +#define BOOK3S_INTERRUPT_MACHINE_CHECK 0x200 +#define BOOK3S_INTERRUPT_DATA_STORAGE 0x300 +#define BOOK3S_INTERRUPT_DATA_SEGMENT 0x380 +#define BOOK3S_INTERRUPT_INST_STORAGE 0x400 +#define BOOK3S_INTERRUPT_INST_SEGMENT 0x480 +#define BOOK3S_INTERRUPT_EXTERNAL 0x500 +#define BOOK3S_INTERRUPT_ALIGNMENT 0x600 +#define BOOK3S_INTERRUPT_PROGRAM 0x700 +#define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800 +#define BOOK3S_INTERRUPT_DECREMENTER 0x900 +#define BOOK3S_INTERRUPT_SYSCALL 0xc00 +#define BOOK3S_INTERRUPT_TRACE 0xd00 +#define BOOK3S_INTERRUPT_PERFMON 0xf00 +#define BOOK3S_INTERRUPT_ALTIVEC 0xf20 +#define BOOK3S_INTERRUPT_VSX 0xf40 + +#define BOOK3S_IRQPRIO_SYSTEM_RESET 0 +#define BOOK3S_IRQPRIO_DATA_SEGMENT 1 +#define BOOK3S_IRQPRIO_INST_SEGMENT 2 +#define BOOK3S_IRQPRIO_DATA_STORAGE 3 +#define BOOK3S_IRQPRIO_INST_STORAGE 4 +#define BOOK3S_IRQPRIO_ALIGNMENT 5 +#define BOOK3S_IRQPRIO_PROGRAM 6 +#define BOOK3S_IRQPRIO_FP_UNAVAIL 7 +#define BOOK3S_IRQPRIO_ALTIVEC 8 +#define BOOK3S_IRQPRIO_VSX 9 +#define BOOK3S_IRQPRIO_SYSCALL 10 +#define BOOK3S_IRQPRIO_MACHINE_CHECK 11 +#define BOOK3S_IRQPRIO_DEBUG 12 +#define BOOK3S_IRQPRIO_EXTERNAL 13 +#define BOOK3S_IRQPRIO_DECREMENTER 14 +#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR 15 +#define BOOK3S_IRQPRIO_MAX 16 + +#define BOOK3S_HFLAG_DCBZ32 0x1 +#define BOOK3S_HFLAG_SLB 0x2 + #define RESUME_FLAG_NV (1<<0) /* Reload guest nonvolatile state? */ #define RESUME_FLAG_HOST (1<<1) /* Resume host? */ diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h new file mode 100644 index 000000000000..74b7369770d0 --- /dev/null +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -0,0 +1,139 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#ifndef __ASM_KVM_BOOK3S_H__ +#define __ASM_KVM_BOOK3S_H__ + +#include <linux/types.h> +#include <linux/kvm_host.h> +#include <asm/kvm_ppc.h> + +struct kvmppc_slb { + u64 esid; + u64 vsid; + u64 orige; + u64 origv; + bool valid; + bool Ks; + bool Kp; + bool nx; + bool large; + bool class; +}; + +struct kvmppc_sr { + u32 raw; + u32 vsid; + bool Ks; + bool Kp; + bool nx; +}; + +struct kvmppc_bat { + u64 raw; + u32 bepi; + u32 bepi_mask; + bool vs; + bool vp; + u32 brpn; + u8 wimg; + u8 pp; +}; + +struct kvmppc_sid_map { + u64 guest_vsid; + u64 guest_esid; + u64 host_vsid; + bool valid; +}; + +#define SID_MAP_BITS 9 +#define SID_MAP_NUM (1 << SID_MAP_BITS) +#define SID_MAP_MASK (SID_MAP_NUM - 1) + +struct kvmppc_vcpu_book3s { + struct kvm_vcpu vcpu; + struct kvmppc_sid_map sid_map[SID_MAP_NUM]; + struct kvmppc_slb slb[64]; + struct { + u64 esid; + 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]; + int slb_nr; + u64 sdr1; + u64 dsisr; + u64 hior; + u64 msr_mask; + u64 vsid_first; + u64 vsid_next; + u64 vsid_max; + int context_id; +}; + +#define CONTEXT_HOST 0 +#define CONTEXT_GUEST 1 +#define CONTEXT_GUEST_END 2 + +#define VSID_REAL 0xfffffffffff00000 +#define VSID_REAL_DR 0xffffffffffe00000 +#define VSID_REAL_IR 0xffffffffffd00000 +#define VSID_BAT 0xffffffffffc00000 +#define VSID_PR 0x8000000000000000 + +extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask); +extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); +extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end); +extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); +extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); +extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); +extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); +extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); +extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); +extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data); +extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data); +extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr); +extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec); +extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, + bool upper, u32 val); + +extern u32 kvmppc_trampoline_lowmem; +extern u32 kvmppc_trampoline_enter; + +static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) +{ + return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu); +} + +static inline ulong dsisr(void) +{ + ulong r; + asm ( "mfdsisr %0 " : "=r" (r) ); + return r; +} + +extern void kvm_return_point(void); + +#define INS_DCBZ 0x7c0007ec + +#endif /* __ASM_KVM_BOOK3S_H__ */ diff --git a/arch/powerpc/include/asm/kvm_book3s_64_asm.h b/arch/powerpc/include/asm/kvm_book3s_64_asm.h new file mode 100644 index 000000000000..2e06ee8184ef --- /dev/null +++ b/arch/powerpc/include/asm/kvm_book3s_64_asm.h @@ -0,0 +1,58 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#ifndef __ASM_KVM_BOOK3S_ASM_H__ +#define __ASM_KVM_BOOK3S_ASM_H__ + +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER + +#include <asm/kvm_asm.h> + +.macro DO_KVM intno + .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ + (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ + (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ + (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ + (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ + (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ + (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ + (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ + (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ + (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ + (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ + (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ + (\intno == BOOK3S_INTERRUPT_TRACE) || \ + (\intno == BOOK3S_INTERRUPT_PERFMON) || \ + (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ + (\intno == BOOK3S_INTERRUPT_VSX) + + b kvmppc_trampoline_\intno +kvmppc_resume_\intno: + + .endif +.endm + +#else + +.macro DO_KVM intno +.endm + +#endif /* CONFIG_KVM_BOOK3S_64_HANDLER */ + +#endif /* __ASM_KVM_BOOK3S_ASM_H__ */ diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index c9c930ed11d7..1201f62d0d73 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -21,7 +21,8 @@ #define __POWERPC_KVM_HOST_H__ #include <linux/mutex.h> -#include <linux/timer.h> +#include <linux/hrtimer.h> +#include <linux/interrupt.h> #include <linux/types.h> #include <linux/kvm_types.h> #include <asm/kvm_asm.h> @@ -37,6 +38,8 @@ #define KVM_NR_PAGE_SIZES 1 #define KVM_PAGES_PER_HPAGE(x) (1UL<<31) +#define HPTEG_CACHE_NUM 1024 + struct kvm; struct kvm_run; struct kvm_vcpu; @@ -63,6 +66,17 @@ struct kvm_vcpu_stat { u32 dec_exits; u32 ext_intr_exits; u32 halt_wakeup; +#ifdef CONFIG_PPC64 + u32 pf_storage; + u32 pf_instruc; + u32 sp_storage; + u32 sp_instruc; + u32 queue_intr; + u32 ld; + u32 ld_slow; + u32 st; + u32 st_slow; +#endif }; enum kvm_exit_types { @@ -109,9 +123,53 @@ struct kvmppc_exit_timing { struct kvm_arch { }; +struct kvmppc_pte { + u64 eaddr; + u64 vpage; + u64 raddr; + bool may_read; + bool may_write; + bool may_execute; +}; + +struct kvmppc_mmu { + /* book3s_64 only */ + void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); + u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); + u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); + void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); + void (*slbia)(struct kvm_vcpu *vcpu); + /* book3s */ + void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); + u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); + int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data); + void (*reset_msr)(struct kvm_vcpu *vcpu); + void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); + int (*esid_to_vsid)(struct kvm_vcpu *vcpu, u64 esid, u64 *vsid); + u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); + bool (*is_dcbz32)(struct kvm_vcpu *vcpu); +}; + +struct hpte_cache { + u64 host_va; + u64 pfn; + ulong slot; + struct kvmppc_pte pte; +}; + struct kvm_vcpu_arch { - u32 host_stack; + ulong host_stack; u32 host_pid; +#ifdef CONFIG_PPC64 + ulong host_msr; + ulong host_r2; + void *host_retip; + ulong trampoline_lowmem; + ulong trampoline_enter; + ulong highmem_handler; + ulong host_paca_phys; + struct kvmppc_mmu mmu; +#endif u64 fpr[32]; ulong gpr[32]; @@ -123,6 +181,10 @@ struct kvm_vcpu_arch { ulong xer; ulong msr; +#ifdef CONFIG_PPC64 + ulong shadow_msr; + ulong hflags; +#endif u32 mmucr; ulong sprg0; ulong sprg1; @@ -149,6 +211,7 @@ struct kvm_vcpu_arch { u32 ivor[64]; ulong ivpr; u32 pir; + u32 pvr; u32 shadow_pid; u32 pid; @@ -174,6 +237,9 @@ struct kvm_vcpu_arch { #endif u32 last_inst; +#ifdef CONFIG_PPC64 + ulong fault_dsisr; +#endif ulong fault_dear; ulong fault_esr; gpa_t paddr_accessed; @@ -185,8 +251,15 @@ struct kvm_vcpu_arch { u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ - struct timer_list dec_timer; + struct hrtimer dec_timer; + struct tasklet_struct tasklet; + u64 dec_jiffies; unsigned long pending_exceptions; + +#ifdef CONFIG_PPC64 + struct hpte_cache hpte_cache[HPTEG_CACHE_NUM]; + int hpte_cache_offset; +#endif }; #endif /* __POWERPC_KVM_HOST_H__ */ diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 2c6ee349df5e..269ee46ab028 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -39,6 +39,7 @@ enum emulation_result { extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); extern char kvmppc_handlers_start[]; extern unsigned long kvmppc_handler_len; +extern void kvmppc_handler_highmem(void); extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu); extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index f78f65c38f05..14b592dfb4e8 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -100,7 +100,14 @@ struct lppaca { // Used to pass parms from the OS to PLIC for SetAsrAndRfid u64 saved_gpr3; // Saved GPR3 x20-x27 u64 saved_gpr4; // Saved GPR4 x28-x2F - u64 saved_gpr5; // Saved GPR5 x30-x37 + union { + u64 saved_gpr5; /* Saved GPR5 x30-x37 */ + struct { + u8 cede_latency_hint; /* x30 */ + u8 reserved[7]; /* x31-x36 */ + } fields; + } gpr5_dword; + u8 dtl_enable_mask; // Dispatch Trace Log mask x38-x38 u8 donate_dedicated_cpu; // Donate dedicated CPU cycles x39-x39 diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 9efa2be78331..9f0fc9e6ce0d 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -266,6 +266,11 @@ struct machdep_calls { void (*suspend_disable_irqs)(void); void (*suspend_enable_irqs)(void); #endif + +#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE + ssize_t (*cpu_probe)(const char *, size_t); + ssize_t (*cpu_release)(const char *, size_t); +#endif }; extern void e500_idle(void); diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h index 079c06eae446..a062c57696d0 100644 --- a/arch/powerpc/include/asm/macio.h +++ b/arch/powerpc/include/asm/macio.h @@ -39,6 +39,7 @@ struct macio_dev struct macio_bus *bus; /* macio bus this device is on */ struct macio_dev *media_bay; /* Device is part of a media bay */ struct of_device ofdev; + struct device_dma_parameters dma_parms; /* ide needs that */ int n_resources; struct resource resource[MACIO_DEV_COUNT_RESOURCES]; int n_interrupts; @@ -78,6 +79,8 @@ static inline unsigned long macio_resource_len(struct macio_dev *dev, int resour return res->end - res->start + 1; } +extern int macio_enable_devres(struct macio_dev *dev); + extern int macio_request_resource(struct macio_dev *dev, int resource_no, const char *name); extern void macio_release_resource(struct macio_dev *dev, int resource_no); extern int macio_request_resources(struct macio_dev *dev, const char *name); @@ -131,6 +134,9 @@ struct macio_driver int (*resume)(struct macio_dev* dev); int (*shutdown)(struct macio_dev* dev); +#ifdef CONFIG_PMAC_MEDIABAY + void (*mediabay_event)(struct macio_dev* dev, int mb_state); +#endif struct device_driver driver; }; #define to_macio_driver(drv) container_of(drv,struct macio_driver, driver) diff --git a/arch/powerpc/include/asm/mediabay.h b/arch/powerpc/include/asm/mediabay.h index b2efb3325808..11037a4133ee 100644 --- a/arch/powerpc/include/asm/mediabay.h +++ b/arch/powerpc/include/asm/mediabay.h @@ -17,26 +17,31 @@ #define MB_POWER 6 /* media bay contains a Power device (???) */ #define MB_NO 7 /* media bay contains nothing */ -/* Number of bays in the machine or 0 */ -extern int media_bay_count; +struct macio_dev; -#ifdef CONFIG_BLK_DEV_IDE_PMAC -#include <linux/ide.h> +#ifdef CONFIG_PMAC_MEDIABAY -int check_media_bay_by_base(unsigned long base, int what); -/* called by IDE PMAC host driver to register IDE controller for media bay */ -int media_bay_set_ide_infos(struct device_node *which_bay, unsigned long base, - int irq, ide_hwif_t *hwif); +/* Check the content type of the bay, returns MB_NO if the bay is still + * transitionning + */ +extern int check_media_bay(struct macio_dev *bay); -int check_media_bay(struct device_node *which_bay, int what); +/* The ATA driver uses the calls below to temporarily hold on the + * media bay callbacks while initializing the interface + */ +extern void lock_media_bay(struct macio_dev *bay); +extern void unlock_media_bay(struct macio_dev *bay); #else -static inline int check_media_bay(struct device_node *which_bay, int what) +static inline int check_media_bay(struct macio_dev *bay) { - return -ENODEV; + return MB_NO; } +static inline void lock_media_bay(struct macio_dev *bay) { } +static inline void unlock_media_bay(struct macio_dev *bay) { } + #endif #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index bebe31c2e907..2102b214a87c 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -173,14 +173,6 @@ extern unsigned long tce_alloc_start, tce_alloc_end; */ extern int mmu_ci_restrictions; -#ifdef CONFIG_HUGETLB_PAGE -/* - * The page size indexes of the huge pages for use by hugetlbfs - */ -extern unsigned int mmu_huge_psizes[MMU_PAGE_COUNT]; - -#endif /* CONFIG_HUGETLB_PAGE */ - /* * This function sets the AVPN and L fields of the HPTE appropriately * for the page size @@ -253,10 +245,11 @@ extern int __hash_page_64K(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, unsigned int local, int ssize); struct mm_struct; +unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap); extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); -extern int hash_huge_page(struct mm_struct *mm, unsigned long access, - unsigned long ea, unsigned long vsid, int local, - unsigned long trap); +int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, + pte_t *ptep, unsigned long trap, int local, int ssize, + unsigned int shift, unsigned int mmu_psize); extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend, unsigned long pstart, unsigned long prot, @@ -380,6 +373,38 @@ extern void slb_set_size(u16 size); #ifndef __ASSEMBLY__ +#ifdef CONFIG_PPC_SUBPAGE_PROT +/* + * For the sub-page protection option, we extend the PGD with one of + * these. Basically we have a 3-level tree, with the top level being + * the protptrs array. To optimize speed and memory consumption when + * only addresses < 4GB are being protected, pointers to the first + * four pages of sub-page protection words are stored in the low_prot + * array. + * Each page of sub-page protection words protects 1GB (4 bytes + * protects 64k). For the 3-level tree, each page of pointers then + * protects 8TB. + */ +struct subpage_prot_table { + unsigned long maxaddr; /* only addresses < this are protected */ + unsigned int **protptrs[2]; + unsigned int *low_prot[4]; +}; + +#define SBP_L1_BITS (PAGE_SHIFT - 2) +#define SBP_L2_BITS (PAGE_SHIFT - 3) +#define SBP_L1_COUNT (1 << SBP_L1_BITS) +#define SBP_L2_COUNT (1 << SBP_L2_BITS) +#define SBP_L2_SHIFT (PAGE_SHIFT + SBP_L1_BITS) +#define SBP_L3_SHIFT (SBP_L2_SHIFT + SBP_L2_BITS) + +extern void subpage_prot_free(struct mm_struct *mm); +extern void subpage_prot_init_new_context(struct mm_struct *mm); +#else +static inline void subpage_prot_free(struct mm_struct *mm) {} +static inline void subpage_prot_init_new_context(struct mm_struct *mm) { } +#endif /* CONFIG_PPC_SUBPAGE_PROT */ + typedef unsigned long mm_context_id_t; typedef struct { @@ -393,6 +418,9 @@ typedef struct { u16 sllp; /* SLB page size encoding */ #endif unsigned long vdso_base; +#ifdef CONFIG_PPC_SUBPAGE_PROT + struct subpage_prot_table spt; +#endif /* CONFIG_PPC_SUBPAGE_PROT */ } mm_context_t; diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index b34e94d94435..26383e0778aa 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -23,6 +23,8 @@ extern void switch_slb(struct task_struct *tsk, struct mm_struct *mm); extern void set_context(unsigned long id, pgd_t *pgd); #ifdef CONFIG_PPC_BOOK3S_64 +extern int __init_new_context(void); +extern void __destroy_context(int context_id); static inline void mmu_context_init(void) { } #else extern void mmu_context_init(void); diff --git a/arch/powerpc/include/asm/mpc52xx.h b/arch/powerpc/include/asm/mpc52xx.h index 1b4f697abbdd..b664ce79a172 100644 --- a/arch/powerpc/include/asm/mpc52xx.h +++ b/arch/powerpc/include/asm/mpc52xx.h @@ -276,6 +276,53 @@ extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv); extern unsigned int mpc52xx_get_xtal_freq(struct device_node *node); extern void mpc52xx_restart(char *cmd); +/* mpc52xx_gpt.c */ +struct mpc52xx_gpt_priv; +extern struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq); +extern int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period, + int continuous); +extern u64 mpc52xx_gpt_timer_period(struct mpc52xx_gpt_priv *gpt); +extern int mpc52xx_gpt_stop_timer(struct mpc52xx_gpt_priv *gpt); + +/* mpc52xx_lpbfifo.c */ +#define MPC52XX_LPBFIFO_FLAG_READ (0) +#define MPC52XX_LPBFIFO_FLAG_WRITE (1<<0) +#define MPC52XX_LPBFIFO_FLAG_NO_INCREMENT (1<<1) +#define MPC52XX_LPBFIFO_FLAG_NO_DMA (1<<2) +#define MPC52XX_LPBFIFO_FLAG_POLL_DMA (1<<3) + +struct mpc52xx_lpbfifo_request { + struct list_head list; + + /* localplus bus address */ + unsigned int cs; + size_t offset; + + /* Memory address */ + void *data; + phys_addr_t data_phys; + + /* Details of transfer */ + size_t size; + size_t pos; /* current position of transfer */ + int flags; + + /* What to do when finished */ + void (*callback)(struct mpc52xx_lpbfifo_request *); + + void *priv; /* Driver private data */ + + /* statistics */ + int irq_count; + int irq_ticks; + u8 last_byte; + int buffer_not_done_cnt; +}; + +extern int mpc52xx_lpbfifo_submit(struct mpc52xx_lpbfifo_request *req); +extern void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req); +extern void mpc52xx_lpbfifo_poll(void); + /* mpc52xx_pic.c */ extern void mpc52xx_init_irq(void); extern unsigned int mpc52xx_get_irq(void); diff --git a/arch/powerpc/include/asm/nvram.h b/arch/powerpc/include/asm/nvram.h index 6c587eddee59..850b72f27445 100644 --- a/arch/powerpc/include/asm/nvram.h +++ b/arch/powerpc/include/asm/nvram.h @@ -73,7 +73,6 @@ extern int nvram_write_error_log(char * buff, int length, extern int nvram_read_error_log(char * buff, int length, unsigned int * err_type, unsigned int *err_seq); extern int nvram_clear_error_log(void); -extern struct nvram_partition *nvram_find_partition(int sig, const char *name); extern int pSeries_nvram_init(void); diff --git a/arch/powerpc/include/asm/pSeries_reconfig.h b/arch/powerpc/include/asm/pSeries_reconfig.h index e482e5352e69..d4b4bfa26fb3 100644 --- a/arch/powerpc/include/asm/pSeries_reconfig.h +++ b/arch/powerpc/include/asm/pSeries_reconfig.h @@ -17,6 +17,7 @@ #ifdef CONFIG_PPC_PSERIES extern int pSeries_reconfig_notifier_register(struct notifier_block *); extern void pSeries_reconfig_notifier_unregister(struct notifier_block *); +extern struct blocking_notifier_head pSeries_reconfig_chain; #else /* !CONFIG_PPC_PSERIES */ static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb) { diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 7d8514ceceae..5e9b4ef71415 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -129,6 +129,15 @@ struct paca_struct { u64 system_time; /* accumulated system TB ticks */ u64 startpurr; /* PURR/TB value snapshot */ u64 startspurr; /* SPURR value snapshot */ + +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER + struct { + u64 esid; + u64 vsid; + } kvm_slb[64]; /* guest SLB */ + u8 kvm_slb_max; /* highest used guest slb entry */ + u8 kvm_in_guest; /* are we inside the guest? */ +#endif }; extern struct paca_struct paca[]; diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index ff24254990e1..e96d52a516ba 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -229,6 +229,20 @@ typedef unsigned long pgprot_t; #endif +typedef struct { signed long pd; } hugepd_t; +#define HUGEPD_SHIFT_MASK 0x3f + +#ifdef CONFIG_HUGETLB_PAGE +static inline int hugepd_ok(hugepd_t hpd) +{ + return (hpd.pd > 0); +} + +#define is_hugepd(pdep) (hugepd_ok(*((hugepd_t *)(pdep)))) +#else /* CONFIG_HUGETLB_PAGE */ +#define is_hugepd(pdep) 0 +#endif /* CONFIG_HUGETLB_PAGE */ + struct page; extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg); extern void copy_user_page(void *to, void *from, unsigned long vaddr, diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h index 3f17b83f55a1..bfc4e027e2ad 100644 --- a/arch/powerpc/include/asm/page_64.h +++ b/arch/powerpc/include/asm/page_64.h @@ -90,7 +90,7 @@ extern unsigned int HPAGE_SHIFT; #define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) -#define HUGE_MAX_HSTATE 3 +#define HUGE_MAX_HSTATE (MMU_PAGE_COUNT-1) #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h index c9500d666a1d..580cf73b96e8 100644 --- a/arch/powerpc/include/asm/pgalloc-32.h +++ b/arch/powerpc/include/asm/pgalloc-32.h @@ -3,7 +3,8 @@ #include <linux/threads.h> -#define PTE_NONCACHE_NUM 0 /* dummy for now to share code w/ppc64 */ +/* For 32-bit, all levels of page tables are just drawn from get_free_page() */ +#define MAX_PGTABLE_INDEX_SIZE 0 extern void __bad_pte(pmd_t *pmd); @@ -36,11 +37,10 @@ extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr); -static inline void pgtable_free(pgtable_free_t pgf) +static inline void pgtable_free(void *table, unsigned index_size) { - void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); - - free_page((unsigned long)p); + BUG_ON(index_size); /* 32-bit doesn't use this */ + free_page((unsigned long)table); } #define check_pgt_cache() do { } while (0) diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h index e6f069c4f713..605f5c5398d1 100644 --- a/arch/powerpc/include/asm/pgalloc-64.h +++ b/arch/powerpc/include/asm/pgalloc-64.h @@ -11,27 +11,34 @@ #include <linux/cpumask.h> #include <linux/percpu.h> -#ifndef CONFIG_PPC_SUBPAGE_PROT -static inline void subpage_prot_free(pgd_t *pgd) {} -#endif +/* + * Functions that deal with pagetables that could be at any level of + * the table need to be passed an "index_size" so they know how to + * handle allocation. For PTE pages (which are linked to a struct + * page for now, and drawn from the main get_free_pages() pool), the + * allocation size will be (2^index_size * sizeof(pointer)) and + * allocations are drawn from the kmem_cache in PGT_CACHE(index_size). + * + * The maximum index size needs to be big enough to allow any + * pagetable sizes we need, but small enough to fit in the low bits of + * any page table pointer. In other words all pagetables, even tiny + * ones, must be aligned to allow at least enough low 0 bits to + * contain this value. This value is also used as a mask, so it must + * be one less than a power of two. + */ +#define MAX_PGTABLE_INDEX_SIZE 0xf extern struct kmem_cache *pgtable_cache[]; - -#define PGD_CACHE_NUM 0 -#define PUD_CACHE_NUM 1 -#define PMD_CACHE_NUM 1 -#define HUGEPTE_CACHE_NUM 2 -#define PTE_NONCACHE_NUM 7 /* from GFP rather than kmem_cache */ +#define PGT_CACHE(shift) (pgtable_cache[(shift)-1]) static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return kmem_cache_alloc(pgtable_cache[PGD_CACHE_NUM], GFP_KERNEL); + return kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), GFP_KERNEL); } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - subpage_prot_free(pgd); - kmem_cache_free(pgtable_cache[PGD_CACHE_NUM], pgd); + kmem_cache_free(PGT_CACHE(PGD_INDEX_SIZE), pgd); } #ifndef CONFIG_PPC_64K_PAGES @@ -40,13 +47,13 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) { - return kmem_cache_alloc(pgtable_cache[PUD_CACHE_NUM], + return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE), GFP_KERNEL|__GFP_REPEAT); } static inline void pud_free(struct mm_struct *mm, pud_t *pud) { - kmem_cache_free(pgtable_cache[PUD_CACHE_NUM], pud); + kmem_cache_free(PGT_CACHE(PUD_INDEX_SIZE), pud); } static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) @@ -78,13 +85,13 @@ static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return kmem_cache_alloc(pgtable_cache[PMD_CACHE_NUM], + return kmem_cache_alloc(PGT_CACHE(PMD_INDEX_SIZE), GFP_KERNEL|__GFP_REPEAT); } static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - kmem_cache_free(pgtable_cache[PMD_CACHE_NUM], pmd); + kmem_cache_free(PGT_CACHE(PMD_INDEX_SIZE), pmd); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, @@ -107,24 +114,22 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, return page; } -static inline void pgtable_free(pgtable_free_t pgf) +static inline void pgtable_free(void *table, unsigned index_size) { - void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); - int cachenum = pgf.val & PGF_CACHENUM_MASK; - - if (cachenum == PTE_NONCACHE_NUM) - free_page((unsigned long)p); - else - kmem_cache_free(pgtable_cache[cachenum], p); + if (!index_size) + free_page((unsigned long)table); + else { + BUG_ON(index_size > MAX_PGTABLE_INDEX_SIZE); + kmem_cache_free(PGT_CACHE(index_size), table); + } } -#define __pmd_free_tlb(tlb, pmd,addr) \ - pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \ - PMD_CACHE_NUM, PMD_TABLE_SIZE-1)) +#define __pmd_free_tlb(tlb, pmd, addr) \ + pgtable_free_tlb(tlb, pmd, PMD_INDEX_SIZE) #ifndef CONFIG_PPC_64K_PAGES #define __pud_free_tlb(tlb, pud, addr) \ - pgtable_free_tlb(tlb, pgtable_free_cache(pud, \ - PUD_CACHE_NUM, PUD_TABLE_SIZE-1)) + pgtable_free_tlb(tlb, pud, PUD_INDEX_SIZE) + #endif /* CONFIG_PPC_64K_PAGES */ #define check_pgt_cache() do { } while (0) diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index f2e812de7c3c..abe8532bd14e 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -24,25 +24,6 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) __free_page(ptepage); } -typedef struct pgtable_free { - unsigned long val; -} pgtable_free_t; - -/* This needs to be big enough to allow for MMU_PAGE_COUNT + 2 to be stored - * and small enough to fit in the low bits of any naturally aligned page - * table cache entry. Arbitrarily set to 0x1f, that should give us some - * room to grow - */ -#define PGF_CACHENUM_MASK 0x1f - -static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, - unsigned long mask) -{ - BUG_ON(cachenum > PGF_CACHENUM_MASK); - - return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum}; -} - #ifdef CONFIG_PPC64 #include <asm/pgalloc-64.h> #else @@ -50,12 +31,12 @@ static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, #endif #ifdef CONFIG_SMP -extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); +extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift); extern void pte_free_finish(void); #else /* CONFIG_SMP */ -static inline void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf) +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) { - pgtable_free(pgf); + pgtable_free(table, shift); } static inline void pte_free_finish(void) { } #endif /* !CONFIG_SMP */ @@ -63,12 +44,9 @@ static inline void pte_free_finish(void) { } static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage, unsigned long address) { - pgtable_free_t pgf = pgtable_free_cache(page_address(ptepage), - PTE_NONCACHE_NUM, - PTE_TABLE_SIZE-1); tlb_flush_pgtable(tlb, address); pgtable_page_dtor(ptepage); - pgtable_free_tlb(tlb, pgf); + pgtable_free_tlb(tlb, page_address(ptepage), 0); } #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 806abe7a3fa5..49865045d56f 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -354,6 +354,7 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry) #define pgoff_to_pte(off) ((pte_t) {((off) << PTE_RPN_SHIFT)|_PAGE_FILE}) #define PTE_FILE_MAX_BITS (BITS_PER_LONG - PTE_RPN_SHIFT) +void pgtable_cache_add(unsigned shift, void (*ctor)(void *)); void pgtable_cache_init(void); /* @@ -378,7 +379,18 @@ void pgtable_cache_init(void); return pt; } -pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long address); +#ifdef CONFIG_HUGETLB_PAGE +pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, + unsigned *shift); +#else +static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, + unsigned *shift) +{ + if (shift) + *shift = 0; + return find_linux_pte(pgdir, ea); +} +#endif /* !CONFIG_HUGETLB_PAGE */ #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 2a5da069714e..21207e54825b 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -211,6 +211,9 @@ extern void paging_init(void); */ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); +extern int gup_hugepd(hugepd_t *hugepd, unsigned pdshift, unsigned long addr, + unsigned long end, int write, struct page **pages, int *nr); + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h index dd5ea95fe61e..d44826e4ff97 100644 --- a/arch/powerpc/include/asm/pte-8xx.h +++ b/arch/powerpc/include/asm/pte-8xx.h @@ -33,21 +33,21 @@ #define _PAGE_NO_CACHE 0x0002 /* I: cache inhibit */ #define _PAGE_SHARED 0x0004 /* No ASID (context) compare */ #define _PAGE_SPECIAL 0x0008 /* SW entry, forced to 0 by the TLB miss */ +#define _PAGE_DIRTY 0x0100 /* C: page changed */ -/* These five software bits must be masked out when the entry is loaded - * into the TLB. +/* These 4 software bits must be masked out when the entry is loaded + * into the TLB, 1 SW bit left(0x0080). */ #define _PAGE_GUARDED 0x0010 /* software: guarded access */ -#define _PAGE_DIRTY 0x0020 /* software: page changed */ -#define _PAGE_RW 0x0040 /* software: user write access allowed */ -#define _PAGE_ACCESSED 0x0080 /* software: page referenced */ +#define _PAGE_ACCESSED 0x0020 /* software: page referenced */ +#define _PAGE_WRITETHRU 0x0040 /* software: caching is write through */ /* Setting any bits in the nibble with the follow two controls will * require a TLB exception handler change. It is assumed unused bits * are always zero. */ -#define _PAGE_HWWRITE 0x0100 /* h/w write enable: never set in Linux PTE */ -#define _PAGE_USER 0x0800 /* One of the PP bits, the other is USER&~RW */ +#define _PAGE_RW 0x0400 /* lsb PP bits, inverted in HW */ +#define _PAGE_USER 0x0800 /* msb PP bits */ #define _PMD_PRESENT 0x0001 #define _PMD_BAD 0x0ff0 diff --git a/arch/powerpc/include/asm/pte-hash64-64k.h b/arch/powerpc/include/asm/pte-hash64-64k.h index 82b72207c51c..c4490f9c67c4 100644 --- a/arch/powerpc/include/asm/pte-hash64-64k.h +++ b/arch/powerpc/include/asm/pte-hash64-64k.h @@ -76,41 +76,4 @@ remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, \ __pgprot(pgprot_val((prot)) | _PAGE_4K_PFN)) - -#ifdef CONFIG_PPC_SUBPAGE_PROT -/* - * For the sub-page protection option, we extend the PGD with one of - * these. Basically we have a 3-level tree, with the top level being - * the protptrs array. To optimize speed and memory consumption when - * only addresses < 4GB are being protected, pointers to the first - * four pages of sub-page protection words are stored in the low_prot - * array. - * Each page of sub-page protection words protects 1GB (4 bytes - * protects 64k). For the 3-level tree, each page of pointers then - * protects 8TB. - */ -struct subpage_prot_table { - unsigned long maxaddr; /* only addresses < this are protected */ - unsigned int **protptrs[2]; - unsigned int *low_prot[4]; -}; - -#undef PGD_TABLE_SIZE -#define PGD_TABLE_SIZE ((sizeof(pgd_t) << PGD_INDEX_SIZE) + \ - sizeof(struct subpage_prot_table)) - -#define SBP_L1_BITS (PAGE_SHIFT - 2) -#define SBP_L2_BITS (PAGE_SHIFT - 3) -#define SBP_L1_COUNT (1 << SBP_L1_BITS) -#define SBP_L2_COUNT (1 << SBP_L2_BITS) -#define SBP_L2_SHIFT (PAGE_SHIFT + SBP_L1_BITS) -#define SBP_L3_SHIFT (SBP_L2_SHIFT + SBP_L2_BITS) - -extern void subpage_prot_free(pgd_t *pgd); - -static inline struct subpage_prot_table *pgd_subpage_prot(pgd_t *pgd) -{ - return (struct subpage_prot_table *)(pgd + PTRS_PER_PGD); -} -#endif /* CONFIG_PPC_SUBPAGE_PROT */ #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/qe.h b/arch/powerpc/include/asm/qe.h index f388f0ab193f..0947b36e534c 100644 --- a/arch/powerpc/include/asm/qe.h +++ b/arch/powerpc/include/asm/qe.h @@ -87,7 +87,7 @@ extern spinlock_t cmxgcr_lock; /* Export QE common operations */ #ifdef CONFIG_QUICC_ENGINE -extern void __init qe_reset(void); +extern void qe_reset(void); #else static inline void qe_reset(void) {} #endif @@ -145,8 +145,17 @@ static inline void qe_pin_set_gpio(struct qe_pin *qe_pin) {} static inline void qe_pin_set_dedicated(struct qe_pin *pin) {} #endif /* CONFIG_QE_GPIO */ -/* QE internal API */ +#ifdef CONFIG_QUICC_ENGINE int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input); +#else +static inline int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, + u32 cmd_input) +{ + return -ENOSYS; +} +#endif /* CONFIG_QUICC_ENGINE */ + +/* QE internal API */ enum qe_clock qe_clock_source(const char *source); unsigned int qe_get_brg_clk(void); int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier); @@ -154,7 +163,28 @@ int qe_get_snum(void); void qe_put_snum(u8 snum); unsigned int qe_get_num_of_risc(void); unsigned int qe_get_num_of_snums(void); -int qe_alive_during_sleep(void); + +static inline int qe_alive_during_sleep(void) +{ + /* + * MPC8568E reference manual says: + * + * "...power down sequence waits for all I/O interfaces to become idle. + * In some applications this may happen eventually without actively + * shutting down interfaces, but most likely, software will have to + * take steps to shut down the eTSEC, QUICC Engine Block, and PCI + * interfaces before issuing the command (either the write to the core + * MSR[WE] as described above or writing to POWMGTCSR) to put the + * device into sleep state." + * + * MPC8569E reference manual has a similar paragraph. + */ +#ifdef CONFIG_PPC_85xx + return 0; +#else + return 1; +#endif +} /* we actually use cpm_muram implementation, define this for convenience */ #define qe_muram_init cpm_muram_init @@ -210,8 +240,15 @@ struct qe_firmware_info { u64 extended_modes; /* Extended modes */ }; +#ifdef CONFIG_QUICC_ENGINE /* Upload a firmware to the QE */ int qe_upload_firmware(const struct qe_firmware *firmware); +#else +static inline int qe_upload_firmware(const struct qe_firmware *firmware) +{ + return -ENOSYS; +} +#endif /* CONFIG_QUICC_ENGINE */ /* Obtain information on the uploaded firmware */ struct qe_firmware_info *qe_get_firmware_info(void); diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index c7d671a7d9a1..07d2d19ab5e9 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -145,7 +145,7 @@ SYSCALL_SPU(setfsuid) SYSCALL_SPU(setfsgid) SYSCALL_SPU(llseek) COMPAT_SYS_SPU(getdents) -SYSX_SPU(sys_select,ppc32_select,ppc_select) +SYSX_SPU(sys_select,ppc32_select,sys_select) SYSCALL_SPU(flock) SYSCALL_SPU(msync) COMPAT_SYS_SPU(readv) |