diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/cputime.h | 13 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsldma.h | 136 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/hw_irq.h | 22 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mman.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/perf_event.h (renamed from arch/powerpc/include/asm/perf_counter.h) | 22 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/smp.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/systbl.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/topology.h | 12 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/unistd.h | 2 |
10 files changed, 177 insertions, 38 deletions
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index f42e623030ee..fa19f3fe05ff 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -18,6 +18,9 @@ #ifndef CONFIG_VIRT_CPU_ACCOUNTING #include <asm-generic/cputime.h> +#ifdef __KERNEL__ +static inline void setup_cputime_one_jiffy(void) { } +#endif #else #include <linux/types.h> @@ -49,6 +52,11 @@ typedef u64 cputime64_t; #ifdef __KERNEL__ /* + * One jiffy in timebase units computed during initialization + */ +extern cputime_t cputime_one_jiffy; + +/* * Convert cputime <-> jiffies */ extern u64 __cputime_jiffies_factor; @@ -89,6 +97,11 @@ static inline cputime_t jiffies_to_cputime(const unsigned long jif) return ct; } +static inline void setup_cputime_one_jiffy(void) +{ + cputime_one_jiffy = jiffies_to_cputime(1); +} + static inline cputime64_t jiffies64_to_cputime64(const u64 jif) { cputime_t ct; diff --git a/arch/powerpc/include/asm/fsldma.h b/arch/powerpc/include/asm/fsldma.h new file mode 100644 index 000000000000..a67aeed17d40 --- /dev/null +++ b/arch/powerpc/include/asm/fsldma.h @@ -0,0 +1,136 @@ +/* + * Freescale MPC83XX / MPC85XX DMA Controller + * + * Copyright (c) 2009 Ira W. Snyder <iws@ovro.caltech.edu> + * + * 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/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/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index e73d554538dd..abbc2aaaced5 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -135,43 +135,43 @@ static inline int irqs_disabled_flags(unsigned long flags) */ struct irq_chip; -#ifdef CONFIG_PERF_COUNTERS +#ifdef CONFIG_PERF_EVENTS #ifdef CONFIG_PPC64 -static inline unsigned long test_perf_counter_pending(void) +static inline unsigned long test_perf_event_pending(void) { unsigned long x; asm volatile("lbz %0,%1(13)" : "=r" (x) - : "i" (offsetof(struct paca_struct, perf_counter_pending))); + : "i" (offsetof(struct paca_struct, perf_event_pending))); return x; } -static inline void set_perf_counter_pending(void) +static inline void set_perf_event_pending(void) { asm volatile("stb %0,%1(13)" : : "r" (1), - "i" (offsetof(struct paca_struct, perf_counter_pending))); + "i" (offsetof(struct paca_struct, perf_event_pending))); } -static inline void clear_perf_counter_pending(void) +static inline void clear_perf_event_pending(void) { asm volatile("stb %0,%1(13)" : : "r" (0), - "i" (offsetof(struct paca_struct, perf_counter_pending))); + "i" (offsetof(struct paca_struct, perf_event_pending))); } #endif /* CONFIG_PPC64 */ -#else /* CONFIG_PERF_COUNTERS */ +#else /* CONFIG_PERF_EVENTS */ -static inline unsigned long test_perf_counter_pending(void) +static inline unsigned long test_perf_event_pending(void) { return 0; } -static inline void clear_perf_counter_pending(void) {} -#endif /* CONFIG_PERF_COUNTERS */ +static inline void clear_perf_event_pending(void) {} +#endif /* CONFIG_PERF_EVENTS */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_HW_IRQ_H */ diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h index 7b1c49811a24..d4a7f645c5db 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -25,6 +25,8 @@ #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ #define MAP_NONBLOCK 0x10000 /* do not block on IO */ +#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x40000 /* create a huge page mapping */ #ifdef __KERNEL__ #ifdef CONFIG_PPC64 diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index b634456ea893..7d8514ceceae 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -122,7 +122,7 @@ struct paca_struct { u8 soft_enabled; /* irq soft-enable flag */ u8 hard_enabled; /* set if irqs are enabled in MSR */ u8 io_sync; /* writel() needs spin_unlock sync */ - u8 perf_counter_pending; /* PM interrupt while soft-disabled */ + u8 perf_event_pending; /* PM interrupt while soft-disabled */ /* Stuff for accurate time accounting */ u64 user_time; /* accumulated usermode TB ticks */ diff --git a/arch/powerpc/include/asm/perf_counter.h b/arch/powerpc/include/asm/perf_event.h index 0ea0639fcf75..3288ce3997e0 100644 --- a/arch/powerpc/include/asm/perf_counter.h +++ b/arch/powerpc/include/asm/perf_event.h @@ -1,5 +1,5 @@ /* - * Performance counter support - PowerPC-specific definitions. + * Performance event support - PowerPC-specific definitions. * * Copyright 2008-2009 Paul Mackerras, IBM Corporation. * @@ -12,7 +12,7 @@ #include <asm/hw_irq.h> -#define MAX_HWCOUNTERS 8 +#define MAX_HWEVENTS 8 #define MAX_EVENT_ALTERNATIVES 8 #define MAX_LIMITED_HWCOUNTERS 2 @@ -28,12 +28,12 @@ struct power_pmu { unsigned long test_adder; int (*compute_mmcr)(u64 events[], int n_ev, unsigned int hwc[], unsigned long mmcr[]); - int (*get_constraint)(u64 event, unsigned long *mskp, + int (*get_constraint)(u64 event_id, unsigned long *mskp, unsigned long *valp); - int (*get_alternatives)(u64 event, unsigned int flags, + int (*get_alternatives)(u64 event_id, unsigned int flags, u64 alt[]); void (*disable_pmc)(unsigned int pmc, unsigned long mmcr[]); - int (*limited_pmc_event)(u64 event); + int (*limited_pmc_event)(u64 event_id); u32 flags; int n_generic; int *generic_events; @@ -61,10 +61,10 @@ struct pt_regs; extern unsigned long perf_misc_flags(struct pt_regs *regs); extern unsigned long perf_instruction_pointer(struct pt_regs *regs); -#define PERF_COUNTER_INDEX_OFFSET 1 +#define PERF_EVENT_INDEX_OFFSET 1 /* - * Only override the default definitions in include/linux/perf_counter.h + * Only override the default definitions in include/linux/perf_event.h * if we have hardware PMU support. */ #ifdef CONFIG_PPC_PERF_CTRS @@ -73,14 +73,14 @@ extern unsigned long perf_instruction_pointer(struct pt_regs *regs); /* * The power_pmu.get_constraint function returns a 32/64-bit value and - * a 32/64-bit mask that express the constraints between this event and + * a 32/64-bit mask that express the constraints between this event_id and * other events. * * The value and mask are divided up into (non-overlapping) bitfields * of three different types: * * Select field: this expresses the constraint that some set of bits - * in MMCR* needs to be set to a specific value for this event. For a + * in MMCR* needs to be set to a specific value for this event_id. For a * select field, the mask contains 1s in every bit of the field, and * the value contains a unique value for each possible setting of the * MMCR* bits. The constraint checking code will ensure that two events @@ -102,9 +102,9 @@ extern unsigned long perf_instruction_pointer(struct pt_regs *regs); * possible.) For N classes, the field is N+1 bits wide, and each class * is assigned one bit from the least-significant N bits. The mask has * only the most-significant bit set, and the value has only the bit - * for the event's class set. The test_adder has the least significant + * for the event_id's class set. The test_adder has the least significant * bit set in the field. * - * If an event is not subject to the constraint expressed by a particular + * If an event_id is not subject to the constraint expressed by a particular * field, then it will have 0 in both the mask and value for that field. */ diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index c0d3b8af9319..d9ea8d39c342 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -146,7 +146,7 @@ extern void smp_generic_take_timebase(void); extern struct smp_ops_t *smp_ops; extern void arch_send_call_function_single_ipi(int cpu); -extern void arch_send_call_function_ipi(cpumask_t mask); +extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); /* Definitions relative to the secondary CPU spin loop * and entry point. Not all of them exist on both 32 and diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index ed24bd92fe49..c7d671a7d9a1 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -322,7 +322,7 @@ SYSCALL_SPU(epoll_create1) SYSCALL_SPU(dup3) SYSCALL_SPU(pipe2) SYSCALL(inotify_init1) -SYSCALL_SPU(perf_counter_open) +SYSCALL_SPU(perf_event_open) COMPAT_SYS_SPU(preadv) COMPAT_SYS_SPU(pwritev) COMPAT_SYS(rt_tgsigqueueinfo) diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index 394edcbcce71..22f738d12ad9 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -17,11 +17,6 @@ static inline int cpu_to_node(int cpu) #define parent_node(node) (node) -static inline cpumask_t node_to_cpumask(int node) -{ - return numa_cpumask_lookup_table[node]; -} - #define cpumask_of_node(node) (&numa_cpumask_lookup_table[node]) int of_node_to_nid(struct device_node *device); @@ -36,11 +31,6 @@ static inline int pcibus_to_node(struct pci_bus *bus) } #endif -#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \ - CPU_MASK_ALL : \ - node_to_cpumask(pcibus_to_node(bus)) \ - ) - #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ cpu_all_mask : \ cpumask_of_node(pcibus_to_node(bus))) @@ -104,8 +94,6 @@ static inline void sysfs_remove_device_from_node(struct sys_device *dev, #ifdef CONFIG_PPC64 #include <asm/smp.h> -#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) -#define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu)) #define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) #define topology_core_cpumask(cpu) (&per_cpu(cpu_core_map, cpu)) #define topology_core_id(cpu) (cpu_to_core_id(cpu)) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index cef080bfc607..f6ca76176766 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -341,7 +341,7 @@ #define __NR_dup3 316 #define __NR_pipe2 317 #define __NR_inotify_init1 318 -#define __NR_perf_counter_open 319 +#define __NR_perf_event_open 319 #define __NR_preadv 320 #define __NR_pwritev 321 #define __NR_rt_tgsigqueueinfo 322 |