diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/dma-mapping.h | 7 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/hmi.h | 45 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/iommu.h | 10 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/jump_label.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mman.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pci.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/thread_info.h | 25 |
8 files changed, 64 insertions, 41 deletions
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index 77816acd4fd9..84e3f8dd5e4f 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -13,7 +13,6 @@ /* need struct page definitions */ #include <linux/mm.h> #include <linux/scatterlist.h> -#include <linux/dma-attrs.h> #include <linux/dma-debug.h> #include <asm/io.h> #include <asm/swiotlb.h> @@ -25,14 +24,14 @@ /* Some dma direct funcs must be visible for use in other dma_ops */ extern void *__dma_direct_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag, - struct dma_attrs *attrs); + unsigned long attrs); extern void __dma_direct_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, - struct dma_attrs *attrs); + unsigned long attrs); extern int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t handle, - size_t size, struct dma_attrs *attrs); + size_t size, unsigned long attrs); #ifdef CONFIG_NOT_COHERENT_CACHE /* diff --git a/arch/powerpc/include/asm/hmi.h b/arch/powerpc/include/asm/hmi.h new file mode 100644 index 000000000000..88b4901ac4ee --- /dev/null +++ b/arch/powerpc/include/asm/hmi.h @@ -0,0 +1,45 @@ +/* + * Hypervisor Maintenance Interrupt header file. + * + * This program is free software; you can redistribute it and/or modify + * it 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 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. + * + * Copyright 2015 IBM Corporation + * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> + */ + +#ifndef __ASM_PPC64_HMI_H__ +#define __ASM_PPC64_HMI_H__ + +#ifdef CONFIG_PPC_BOOK3S_64 + +#define CORE_TB_RESYNC_REQ_BIT 63 +#define MAX_SUBCORE_PER_CORE 4 + +/* + * sibling_subcore_state structure is used to co-ordinate all threads + * during HMI to avoid TB corruption. This structure is allocated once + * per each core and shared by all threads on that core. + */ +struct sibling_subcore_state { + unsigned long flags; + u8 in_guest[MAX_SUBCORE_PER_CORE]; +}; + +extern void wait_for_subcore_guest_exit(void); +extern void wait_for_tb_resync(void); +#else +static inline void wait_for_subcore_guest_exit(void) { } +static inline void wait_for_tb_resync(void) { } +#endif +#endif /* __ASM_PPC64_HMI_H__ */ diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index f49a72a9062d..2c1d50792944 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -53,7 +53,7 @@ struct iommu_table_ops { long index, long npages, unsigned long uaddr, enum dma_data_direction direction, - struct dma_attrs *attrs); + unsigned long attrs); #ifdef CONFIG_IOMMU_API /* * Exchanges existing TCE with new TCE plus direction bits; @@ -248,12 +248,12 @@ extern int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl, struct scatterlist *sglist, int nelems, unsigned long mask, enum dma_data_direction direction, - struct dma_attrs *attrs); + unsigned long attrs); extern void ppc_iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, int nelems, enum dma_data_direction direction, - struct dma_attrs *attrs); + unsigned long attrs); extern void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl, size_t size, dma_addr_t *dma_handle, @@ -264,10 +264,10 @@ extern dma_addr_t iommu_map_page(struct device *dev, struct iommu_table *tbl, struct page *page, unsigned long offset, size_t size, unsigned long mask, enum dma_data_direction direction, - struct dma_attrs *attrs); + unsigned long attrs); extern void iommu_unmap_page(struct iommu_table *tbl, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction, - struct dma_attrs *attrs); + unsigned long attrs); extern void iommu_init_early_pSeries(void); extern void iommu_init_early_dart(struct pci_controller_ops *controller_ops); diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index 9878cac7b47c..9a287e0ac8b1 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -14,6 +14,7 @@ #include <linux/types.h> #include <asm/feature-fixups.h> +#include <asm/asm-compat.h> #define JUMP_ENTRY_TYPE stringify_in_c(FTR_ENTRY_LONG) #define JUMP_LABEL_NOP_SIZE 4 diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h index ef2d9ac1bc52..30922f699341 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -32,13 +32,13 @@ static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags) } #define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags) -static inline int arch_validate_prot(unsigned long prot) +static inline bool arch_validate_prot(unsigned long prot) { if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO)) - return 0; + return false; if ((prot & PROT_SAO) && !cpu_has_feature(CPU_FTR_SAO)) - return 0; - return 1; + return false; + return true; } #define arch_validate_prot(prot) arch_validate_prot(prot) diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index ad171e979ab0..148303e7771f 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -26,6 +26,7 @@ #include <asm/kvm_book3s_asm.h> #endif #include <asm/accounting.h> +#include <asm/hmi.h> register struct paca_struct *local_paca asm("r13"); @@ -182,6 +183,11 @@ struct paca_struct { */ u16 in_mce; u8 hmi_event_available; /* HMI event is available */ + /* + * Bitmap for sibling subcore status. See kvm/book3s_hv_ras.c for + * more details + */ + struct sibling_subcore_state *sibling_subcore_state; #endif /* Stuff for accurate time accounting */ diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index a6f3ac0d4602..e9bd6cf0212f 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -136,9 +136,6 @@ extern pgprot_t pci_phys_mem_access_prot(struct file *file, pgprot_t prot); #define HAVE_ARCH_PCI_RESOURCE_TO_USER -extern void pci_resource_to_user(const struct pci_dev *dev, int bar, - const struct resource *rsrc, - resource_size_t *start, resource_size_t *end); extern resource_size_t pcibios_io_space_offset(struct pci_controller *hose); extern void pcibios_setup_bus_devices(struct pci_bus *bus); diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index b21bb1f72314..87e4b2d8dcd4 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -138,40 +138,15 @@ static inline struct thread_info *current_thread_info(void) /* Don't move TLF_NAPPING without adjusting the code in entry_32.S */ #define TLF_NAPPING 0 /* idle thread enabled NAP mode */ #define TLF_SLEEPING 1 /* suspend code enabled SLEEP mode */ -#define TLF_RESTORE_SIGMASK 2 /* Restore signal mask in do_signal */ #define TLF_LAZY_MMU 3 /* tlb_batch is active */ #define TLF_RUNLATCH 4 /* Is the runlatch enabled? */ #define _TLF_NAPPING (1 << TLF_NAPPING) #define _TLF_SLEEPING (1 << TLF_SLEEPING) -#define _TLF_RESTORE_SIGMASK (1 << TLF_RESTORE_SIGMASK) #define _TLF_LAZY_MMU (1 << TLF_LAZY_MMU) #define _TLF_RUNLATCH (1 << TLF_RUNLATCH) #ifndef __ASSEMBLY__ -#define HAVE_SET_RESTORE_SIGMASK 1 -static inline void set_restore_sigmask(void) -{ - struct thread_info *ti = current_thread_info(); - ti->local_flags |= _TLF_RESTORE_SIGMASK; - WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags)); -} -static inline void clear_restore_sigmask(void) -{ - current_thread_info()->local_flags &= ~_TLF_RESTORE_SIGMASK; -} -static inline bool test_restore_sigmask(void) -{ - return current_thread_info()->local_flags & _TLF_RESTORE_SIGMASK; -} -static inline bool test_and_clear_restore_sigmask(void) -{ - struct thread_info *ti = current_thread_info(); - if (!(ti->local_flags & _TLF_RESTORE_SIGMASK)) - return false; - ti->local_flags &= ~_TLF_RESTORE_SIGMASK; - return true; -} static inline bool test_thread_local_flags(unsigned int flags) { |