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-rw-r--r--arch/parisc/Kconfig4
-rw-r--r--arch/parisc/include/asm/dma-mapping.h189
-rw-r--r--arch/parisc/include/asm/floppy.h2
-rw-r--r--arch/parisc/include/asm/pci.h1
-rw-r--r--arch/parisc/include/asm/pdc.h2
-rw-r--r--arch/parisc/include/asm/processor.h17
-rw-r--r--arch/parisc/include/uapi/asm/mman.h1
-rw-r--r--arch/parisc/include/uapi/asm/siginfo.h3
-rw-r--r--arch/parisc/include/uapi/asm/socket.h3
-rw-r--r--arch/parisc/include/uapi/asm/unistd.h3
-rw-r--r--arch/parisc/kernel/cache.c26
-rw-r--r--arch/parisc/kernel/drivers.c2
-rw-r--r--arch/parisc/kernel/module.c32
-rw-r--r--arch/parisc/kernel/pci-dma.c92
-rw-r--r--arch/parisc/kernel/pci.c26
-rw-r--r--arch/parisc/kernel/processor.c10
-rw-r--r--arch/parisc/kernel/syscall_table.S1
17 files changed, 153 insertions, 261 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 729f89163..14f655cf5 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -29,6 +29,7 @@ config PARISC
select TTY # Needed for pdc_cons.c
select HAVE_DEBUG_STACKOVERFLOW
select HAVE_ARCH_AUDITSYSCALL
+ select ARCH_NO_COHERENT_DMA_MMAP
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
@@ -79,9 +80,6 @@ config TIME_LOW_RES
depends on SMP
default y
-config HAVE_LATENCYTOP_SUPPORT
- def_bool y
-
# unless you want to implement ACPI on PA-RISC ... ;-)
config PM
bool
diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
index d8d60a571..16e024602 100644
--- a/arch/parisc/include/asm/dma-mapping.h
+++ b/arch/parisc/include/asm/dma-mapping.h
@@ -1,30 +1,11 @@
#ifndef _PARISC_DMA_MAPPING_H
#define _PARISC_DMA_MAPPING_H
-#include <linux/mm.h>
-#include <linux/scatterlist.h>
#include <asm/cacheflush.h>
-/* See Documentation/DMA-API-HOWTO.txt */
-struct hppa_dma_ops {
- int (*dma_supported)(struct device *dev, u64 mask);
- void *(*alloc_consistent)(struct device *dev, size_t size, dma_addr_t *iova, gfp_t flag);
- void *(*alloc_noncoherent)(struct device *dev, size_t size, dma_addr_t *iova, gfp_t flag);
- void (*free_consistent)(struct device *dev, size_t size, void *vaddr, dma_addr_t iova);
- dma_addr_t (*map_single)(struct device *dev, void *addr, size_t size, enum dma_data_direction direction);
- void (*unmap_single)(struct device *dev, dma_addr_t iova, size_t size, enum dma_data_direction direction);
- int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction);
- void (*unmap_sg)(struct device *dev, struct scatterlist *sg, int nhwents, enum dma_data_direction direction);
- void (*dma_sync_single_for_cpu)(struct device *dev, dma_addr_t iova, unsigned long offset, size_t size, enum dma_data_direction direction);
- void (*dma_sync_single_for_device)(struct device *dev, dma_addr_t iova, unsigned long offset, size_t size, enum dma_data_direction direction);
- void (*dma_sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction);
- void (*dma_sync_sg_for_device)(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction);
-};
-
/*
-** We could live without the hppa_dma_ops indirection if we didn't want
-** to support 4 different coherent dma models with one binary (they will
-** someday be loadable modules):
+** We need to support 4 different coherent dma models with one binary:
+**
** I/O MMU consistent method dma_sync behavior
** ============= ====================== =======================
** a) PA-7x00LC uncachable host memory flush/purge
@@ -40,158 +21,22 @@ struct hppa_dma_ops {
*/
#ifdef CONFIG_PA11
-extern struct hppa_dma_ops pcxl_dma_ops;
-extern struct hppa_dma_ops pcx_dma_ops;
+extern struct dma_map_ops pcxl_dma_ops;
+extern struct dma_map_ops pcx_dma_ops;
#endif
-extern struct hppa_dma_ops *hppa_dma_ops;
-
-#define dma_alloc_attrs(d, s, h, f, a) dma_alloc_coherent(d, s, h, f)
-#define dma_free_attrs(d, s, h, f, a) dma_free_coherent(d, s, h, f)
-
-static inline void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t flag)
-{
- return hppa_dma_ops->alloc_consistent(dev, size, dma_handle, flag);
-}
-
-static inline void *
-dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t flag)
-{
- return hppa_dma_ops->alloc_noncoherent(dev, size, dma_handle, flag);
-}
-
-static inline void
-dma_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
-{
- hppa_dma_ops->free_consistent(dev, size, vaddr, dma_handle);
-}
-
-static inline void
-dma_free_noncoherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
-{
- hppa_dma_ops->free_consistent(dev, size, vaddr, dma_handle);
-}
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *ptr, size_t size,
- enum dma_data_direction direction)
-{
- return hppa_dma_ops->map_single(dev, ptr, size, direction);
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
- enum dma_data_direction direction)
-{
- hppa_dma_ops->unmap_single(dev, dma_addr, size, direction);
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
-{
- return hppa_dma_ops->map_sg(dev, sg, nents, direction);
-}
+extern struct dma_map_ops *hppa_dma_ops;
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
- enum dma_data_direction direction)
-{
- hppa_dma_ops->unmap_sg(dev, sg, nhwentries, direction);
-}
-
-static inline dma_addr_t
-dma_map_page(struct device *dev, struct page *page, unsigned long offset,
- size_t size, enum dma_data_direction direction)
-{
- return dma_map_single(dev, (page_address(page) + (offset)), size, direction);
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
- enum dma_data_direction direction)
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
- dma_unmap_single(dev, dma_address, size, direction);
-}
-
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- if(hppa_dma_ops->dma_sync_single_for_cpu)
- hppa_dma_ops->dma_sync_single_for_cpu(dev, dma_handle, 0, size, direction);
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- if(hppa_dma_ops->dma_sync_single_for_device)
- hppa_dma_ops->dma_sync_single_for_device(dev, dma_handle, 0, size, direction);
-}
-
-static inline void
-dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- if(hppa_dma_ops->dma_sync_single_for_cpu)
- hppa_dma_ops->dma_sync_single_for_cpu(dev, dma_handle, offset, size, direction);
-}
-
-static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- if(hppa_dma_ops->dma_sync_single_for_device)
- hppa_dma_ops->dma_sync_single_for_device(dev, dma_handle, offset, size, direction);
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- if(hppa_dma_ops->dma_sync_sg_for_cpu)
- hppa_dma_ops->dma_sync_sg_for_cpu(dev, sg, nelems, direction);
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- if(hppa_dma_ops->dma_sync_sg_for_device)
- hppa_dma_ops->dma_sync_sg_for_device(dev, sg, nelems, direction);
-}
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
- return hppa_dma_ops->dma_supported(dev, mask);
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 mask)
-{
- if(!dev->dma_mask || !dma_supported(dev, mask))
- return -EIO;
-
- *dev->dma_mask = mask;
-
- return 0;
+ return hppa_dma_ops;
}
static inline void
dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction)
{
- if(hppa_dma_ops->dma_sync_single_for_cpu)
+ if (hppa_dma_ops->sync_single_for_cpu)
flush_kernel_dcache_range((unsigned long)vaddr, size);
}
@@ -238,22 +83,4 @@ struct parisc_device;
void * sba_get_iommu(struct parisc_device *dev);
#endif
-/* At the moment, we panic on error for IOMMU resource exaustion */
-#define dma_mapping_error(dev, x) 0
-
-/* This API cannot be supported on PA-RISC */
-static inline int dma_mmap_coherent(struct device *dev,
- struct vm_area_struct *vma, void *cpu_addr,
- dma_addr_t dma_addr, size_t size)
-{
- return -EINVAL;
-}
-
-static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
- void *cpu_addr, dma_addr_t dma_addr,
- size_t size)
-{
- return -EINVAL;
-}
-
#endif
diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h
index f84ff1257..6d8276cd2 100644
--- a/arch/parisc/include/asm/floppy.h
+++ b/arch/parisc/include/asm/floppy.h
@@ -33,7 +33,7 @@
* floppy accesses go through the track buffer.
*/
#define _CROSS_64KB(a,s,vdma) \
-(!vdma && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
+(!(vdma) && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
#define CROSS_64KB(a,s) _CROSS_64KB(a,s,use_virtual_dma & 1)
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h
index 71889ea72..89c53bfff 100644
--- a/arch/parisc/include/asm/pci.h
+++ b/arch/parisc/include/asm/pci.h
@@ -167,6 +167,7 @@ static inline void pcibios_register_hba(struct pci_hba_data *x)
{
}
#endif
+extern void pcibios_init_bridge(struct pci_dev *);
/*
* pcibios_assign_all_busses() is used in drivers/pci/pci.c:pci_do_scan_bus()
diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h
index 7eb616e4b..451906d78 100644
--- a/arch/parisc/include/asm/pdc.h
+++ b/arch/parisc/include/asm/pdc.h
@@ -63,7 +63,7 @@ struct pdc_tlb_cf { /* for PDC_CACHE (I/D-TLB's) */
tc_page : 1, /* 0 = 2K page-size-machine, 1 = 4k page size */
tc_cst : 3, /* 0 = incoherent operations, else coherent operations */
tc_aid : 5, /* ITLB: width of access ids of processor (encoded!) */
- tc_pad1 : 8; /* ITLB: width of space-registers (encoded) */
+ tc_sr : 8; /* ITLB: width of space-registers (encoded) */
};
struct pdc_cache_info { /* main-PDC_CACHE-structure (caches & TLB's) */
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index 7e759ecb1..2e674e13e 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -311,18 +311,17 @@ extern unsigned long get_wchan(struct task_struct *p);
#define cpu_relax() barrier()
#define cpu_relax_lowlatency() cpu_relax()
-/* Used as a macro to identify the combined VIPT/PIPT cached
- * CPUs which require a guarantee of coherency (no inequivalent
- * aliases with different data, whether clean or not) to operate */
-static inline int parisc_requires_coherency(void)
-{
+/*
+ * parisc_requires_coherency() is used to identify the combined VIPT/PIPT
+ * cached CPUs which require a guarantee of coherency (no inequivalent aliases
+ * with different data, whether clean or not) to operate
+ */
#ifdef CONFIG_PA8X00
- return (boot_cpu_data.cpu_type == mako) ||
- (boot_cpu_data.cpu_type == mako2);
+extern int _parisc_requires_coherency;
+#define parisc_requires_coherency() _parisc_requires_coherency
#else
- return 0;
+#define parisc_requires_coherency() (0)
#endif
-}
#endif /* __ASSEMBLY__ */
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index dd4d1876a..f3db7d8eb 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h
@@ -45,6 +45,7 @@
#define MADV_VPS_INHERIT 7 /* Inherit parents page size */
/* common/generic parameters */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/arch/parisc/include/uapi/asm/siginfo.h b/arch/parisc/include/uapi/asm/siginfo.h
index 1c75565d9..8fd10f85c 100644
--- a/arch/parisc/include/uapi/asm/siginfo.h
+++ b/arch/parisc/include/uapi/asm/siginfo.h
@@ -7,7 +7,4 @@
#include <asm-generic/siginfo.h>
-#undef NSIGTRAP
-#define NSIGTRAP 4
-
#endif
diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h
index a5cd40cd8..f9cf12234 100644
--- a/arch/parisc/include/uapi/asm/socket.h
+++ b/arch/parisc/include/uapi/asm/socket.h
@@ -84,4 +84,7 @@
#define SO_ATTACH_BPF 0x402B
#define SO_DETACH_BPF SO_DETACH_FILTER
+#define SO_ATTACH_REUSEPORT_CBPF 0x402C
+#define SO_ATTACH_REUSEPORT_EBPF 0x402D
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index 35bdccbb2..b75039f92 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -361,8 +361,9 @@
#define __NR_membarrier (__NR_Linux + 343)
#define __NR_userfaultfd (__NR_Linux + 344)
#define __NR_mlock2 (__NR_Linux + 345)
+#define __NR_copy_file_range (__NR_Linux + 346)
-#define __NR_Linux_syscalls (__NR_mlock2 + 1)
+#define __NR_Linux_syscalls (__NR_copy_file_range + 1)
#define __IGNORE_select /* newselect */
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index cda6dbbe9..91c2a39cd 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -172,6 +172,24 @@ parisc_cache_init(void)
cache_info.ic_count,
cache_info.ic_loop);
+ printk("IT base 0x%lx stride 0x%lx count 0x%lx loop 0x%lx off_base 0x%lx off_stride 0x%lx off_count 0x%lx\n",
+ cache_info.it_sp_base,
+ cache_info.it_sp_stride,
+ cache_info.it_sp_count,
+ cache_info.it_loop,
+ cache_info.it_off_base,
+ cache_info.it_off_stride,
+ cache_info.it_off_count);
+
+ printk("DT base 0x%lx stride 0x%lx count 0x%lx loop 0x%lx off_base 0x%lx off_stride 0x%lx off_count 0x%lx\n",
+ cache_info.dt_sp_base,
+ cache_info.dt_sp_stride,
+ cache_info.dt_sp_count,
+ cache_info.dt_loop,
+ cache_info.dt_off_base,
+ cache_info.dt_off_stride,
+ cache_info.dt_off_count);
+
printk("ic_conf = 0x%lx alias %d blk %d line %d shift %d\n",
*(unsigned long *) (&cache_info.ic_conf),
cache_info.ic_conf.cc_alias,
@@ -184,19 +202,19 @@ parisc_cache_init(void)
cache_info.ic_conf.cc_cst,
cache_info.ic_conf.cc_hv);
- printk("D-TLB conf: sh %d page %d cst %d aid %d pad1 %d\n",
+ printk("D-TLB conf: sh %d page %d cst %d aid %d sr %d\n",
cache_info.dt_conf.tc_sh,
cache_info.dt_conf.tc_page,
cache_info.dt_conf.tc_cst,
cache_info.dt_conf.tc_aid,
- cache_info.dt_conf.tc_pad1);
+ cache_info.dt_conf.tc_sr);
- printk("I-TLB conf: sh %d page %d cst %d aid %d pad1 %d\n",
+ printk("I-TLB conf: sh %d page %d cst %d aid %d sr %d\n",
cache_info.it_conf.tc_sh,
cache_info.it_conf.tc_page,
cache_info.it_conf.tc_cst,
cache_info.it_conf.tc_aid,
- cache_info.it_conf.tc_pad1);
+ cache_info.it_conf.tc_sr);
#endif
split_tlb = 0;
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index dba508fe1..f8150669b 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -40,7 +40,7 @@
#include <asm/parisc-device.h>
/* See comments in include/asm-parisc/pci.h */
-struct hppa_dma_ops *hppa_dma_ops __read_mostly;
+struct dma_map_ops *hppa_dma_ops __read_mostly;
EXPORT_SYMBOL(hppa_dma_ops);
static struct device root = {
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index 3c63a820f..b9d75d9fa 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -42,9 +42,9 @@
* We are not doing SEGREL32 handling correctly. According to the ABI, we
* should do a value offset, like this:
* if (in_init(me, (void *)val))
- * val -= (uint32_t)me->module_init;
+ * val -= (uint32_t)me->init_layout.base;
* else
- * val -= (uint32_t)me->module_core;
+ * val -= (uint32_t)me->core_layout.base;
* However, SEGREL32 is used only for PARISC unwind entries, and we want
* those entries to have an absolute address, and not just an offset.
*
@@ -100,14 +100,14 @@
* or init pieces the location is */
static inline int in_init(struct module *me, void *loc)
{
- return (loc >= me->module_init &&
- loc <= (me->module_init + me->init_size));
+ return (loc >= me->init_layout.base &&
+ loc <= (me->init_layout.base + me->init_layout.size));
}
static inline int in_core(struct module *me, void *loc)
{
- return (loc >= me->module_core &&
- loc <= (me->module_core + me->core_size));
+ return (loc >= me->core_layout.base &&
+ loc <= (me->core_layout.base + me->core_layout.size));
}
static inline int in_local(struct module *me, void *loc)
@@ -367,13 +367,13 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr,
}
/* align things a bit */
- me->core_size = ALIGN(me->core_size, 16);
- me->arch.got_offset = me->core_size;
- me->core_size += gots * sizeof(struct got_entry);
+ me->core_layout.size = ALIGN(me->core_layout.size, 16);
+ me->arch.got_offset = me->core_layout.size;
+ me->core_layout.size += gots * sizeof(struct got_entry);
- me->core_size = ALIGN(me->core_size, 16);
- me->arch.fdesc_offset = me->core_size;
- me->core_size += fdescs * sizeof(Elf_Fdesc);
+ me->core_layout.size = ALIGN(me->core_layout.size, 16);
+ me->arch.fdesc_offset = me->core_layout.size;
+ me->core_layout.size += fdescs * sizeof(Elf_Fdesc);
me->arch.got_max = gots;
me->arch.fdesc_max = fdescs;
@@ -391,7 +391,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
BUG_ON(value == 0);
- got = me->module_core + me->arch.got_offset;
+ got = me->core_layout.base + me->arch.got_offset;
for (i = 0; got[i].addr; i++)
if (got[i].addr == value)
goto out;
@@ -409,7 +409,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
#ifdef CONFIG_64BIT
static Elf_Addr get_fdesc(struct module *me, unsigned long value)
{
- Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset;
+ Elf_Fdesc *fdesc = me->core_layout.base + me->arch.fdesc_offset;
if (!value) {
printk(KERN_ERR "%s: zero OPD requested!\n", me->name);
@@ -427,7 +427,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value)
/* Create new one */
fdesc->addr = value;
- fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset;
+ fdesc->gp = (Elf_Addr)me->core_layout.base + me->arch.got_offset;
return (Elf_Addr)fdesc;
}
#endif /* CONFIG_64BIT */
@@ -839,7 +839,7 @@ register_unwind_table(struct module *me,
table = (unsigned char *)sechdrs[me->arch.unwind_section].sh_addr;
end = table + sechdrs[me->arch.unwind_section].sh_size;
- gp = (Elf_Addr)me->module_core + me->arch.got_offset;
+ gp = (Elf_Addr)me->core_layout.base + me->arch.got_offset;
DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n",
me->arch.unwind_section, table, end, gp);
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index b9402c9b3..a27e4928b 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -413,7 +413,8 @@ pcxl_dma_init(void)
__initcall(pcxl_dma_init);
-static void * pa11_dma_alloc_consistent (struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag)
+static void *pa11_dma_alloc(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag, struct dma_attrs *attrs)
{
unsigned long vaddr;
unsigned long paddr;
@@ -439,7 +440,8 @@ static void * pa11_dma_alloc_consistent (struct device *dev, size_t size, dma_ad
return (void *)vaddr;
}
-static void pa11_dma_free_consistent (struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle)
+static void pa11_dma_free(struct device *dev, size_t size, void *vaddr,
+ dma_addr_t dma_handle, struct dma_attrs *attrs)
{
int order;
@@ -450,15 +452,20 @@ static void pa11_dma_free_consistent (struct device *dev, size_t size, void *vad
free_pages((unsigned long)__va(dma_handle), order);
}
-static dma_addr_t pa11_dma_map_single(struct device *dev, void *addr, size_t size, enum dma_data_direction direction)
+static dma_addr_t pa11_dma_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction direction, struct dma_attrs *attrs)
{
+ void *addr = page_address(page) + offset;
BUG_ON(direction == DMA_NONE);
flush_kernel_dcache_range((unsigned long) addr, size);
return virt_to_phys(addr);
}
-static void pa11_dma_unmap_single(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction)
+static void pa11_dma_unmap_page(struct device *dev, dma_addr_t dma_handle,
+ size_t size, enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
BUG_ON(direction == DMA_NONE);
@@ -475,7 +482,9 @@ static void pa11_dma_unmap_single(struct device *dev, dma_addr_t dma_handle, siz
return;
}
-static int pa11_dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction)
+static int pa11_dma_map_sg(struct device *dev, struct scatterlist *sglist,
+ int nents, enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
int i;
struct scatterlist *sg;
@@ -492,7 +501,9 @@ static int pa11_dma_map_sg(struct device *dev, struct scatterlist *sglist, int n
return nents;
}
-static void pa11_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction)
+static void pa11_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
+ int nents, enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
int i;
struct scatterlist *sg;
@@ -509,18 +520,24 @@ static void pa11_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, in
return;
}
-static void pa11_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, unsigned long offset, size_t size, enum dma_data_direction direction)
+static void pa11_dma_sync_single_for_cpu(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
- flush_kernel_dcache_range((unsigned long) phys_to_virt(dma_handle) + offset, size);
+ flush_kernel_dcache_range((unsigned long) phys_to_virt(dma_handle),
+ size);
}
-static void pa11_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, unsigned long offset, size_t size, enum dma_data_direction direction)
+static void pa11_dma_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
- flush_kernel_dcache_range((unsigned long) phys_to_virt(dma_handle) + offset, size);
+ flush_kernel_dcache_range((unsigned long) phys_to_virt(dma_handle),
+ size);
}
static void pa11_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction)
@@ -545,32 +562,28 @@ static void pa11_dma_sync_sg_for_device(struct device *dev, struct scatterlist *
flush_kernel_vmap_range(sg_virt(sg), sg->length);
}
-struct hppa_dma_ops pcxl_dma_ops = {
+struct dma_map_ops pcxl_dma_ops = {
.dma_supported = pa11_dma_supported,
- .alloc_consistent = pa11_dma_alloc_consistent,
- .alloc_noncoherent = pa11_dma_alloc_consistent,
- .free_consistent = pa11_dma_free_consistent,
- .map_single = pa11_dma_map_single,
- .unmap_single = pa11_dma_unmap_single,
+ .alloc = pa11_dma_alloc,
+ .free = pa11_dma_free,
+ .map_page = pa11_dma_map_page,
+ .unmap_page = pa11_dma_unmap_page,
.map_sg = pa11_dma_map_sg,
.unmap_sg = pa11_dma_unmap_sg,
- .dma_sync_single_for_cpu = pa11_dma_sync_single_for_cpu,
- .dma_sync_single_for_device = pa11_dma_sync_single_for_device,
- .dma_sync_sg_for_cpu = pa11_dma_sync_sg_for_cpu,
- .dma_sync_sg_for_device = pa11_dma_sync_sg_for_device,
+ .sync_single_for_cpu = pa11_dma_sync_single_for_cpu,
+ .sync_single_for_device = pa11_dma_sync_single_for_device,
+ .sync_sg_for_cpu = pa11_dma_sync_sg_for_cpu,
+ .sync_sg_for_device = pa11_dma_sync_sg_for_device,
};
-static void *fail_alloc_consistent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag)
-{
- return NULL;
-}
-
-static void *pa11_dma_alloc_noncoherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag)
+static void *pcx_dma_alloc(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag, struct dma_attrs *attrs)
{
void *addr;
+ if (!dma_get_attr(DMA_ATTR_NON_CONSISTENT, attrs))
+ return NULL;
+
addr = (void *)__get_free_pages(flag, get_order(size));
if (addr)
*dma_handle = (dma_addr_t)virt_to_phys(addr);
@@ -578,24 +591,23 @@ static void *pa11_dma_alloc_noncoherent(struct device *dev, size_t size,
return addr;
}
-static void pa11_dma_free_noncoherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t iova)
+static void pcx_dma_free(struct device *dev, size_t size, void *vaddr,
+ dma_addr_t iova, struct dma_attrs *attrs)
{
free_pages((unsigned long)vaddr, get_order(size));
return;
}
-struct hppa_dma_ops pcx_dma_ops = {
+struct dma_map_ops pcx_dma_ops = {
.dma_supported = pa11_dma_supported,
- .alloc_consistent = fail_alloc_consistent,
- .alloc_noncoherent = pa11_dma_alloc_noncoherent,
- .free_consistent = pa11_dma_free_noncoherent,
- .map_single = pa11_dma_map_single,
- .unmap_single = pa11_dma_unmap_single,
+ .alloc = pcx_dma_alloc,
+ .free = pcx_dma_free,
+ .map_page = pa11_dma_map_page,
+ .unmap_page = pa11_dma_unmap_page,
.map_sg = pa11_dma_map_sg,
.unmap_sg = pa11_dma_unmap_sg,
- .dma_sync_single_for_cpu = pa11_dma_sync_single_for_cpu,
- .dma_sync_single_for_device = pa11_dma_sync_single_for_device,
- .dma_sync_sg_for_cpu = pa11_dma_sync_sg_for_cpu,
- .dma_sync_sg_for_device = pa11_dma_sync_sg_for_device,
+ .sync_single_for_cpu = pa11_dma_sync_single_for_cpu,
+ .sync_single_for_device = pa11_dma_sync_single_for_device,
+ .sync_sg_for_cpu = pa11_dma_sync_sg_for_cpu,
+ .sync_sg_for_device = pa11_dma_sync_sg_for_device,
};
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index c99f3dde4..0903c6abd 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -170,6 +170,32 @@ void pcibios_set_master(struct pci_dev *dev)
(0x80 << 8) | pci_cache_line_size);
}
+/*
+ * pcibios_init_bridge() initializes cache line and default latency
+ * for pci controllers and pci-pci bridges
+ */
+void __init pcibios_init_bridge(struct pci_dev *dev)
+{
+ unsigned short bridge_ctl, bridge_ctl_new;
+
+ /* We deal only with pci controllers and pci-pci bridges. */
+ if (!dev || (dev->class >> 8) != PCI_CLASS_BRIDGE_PCI)
+ return;
+
+ /* PCI-PCI bridge - set the cache line and default latency
+ * (32) for primary and secondary buses.
+ */
+ pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER, 32);
+
+ pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &bridge_ctl);
+
+ bridge_ctl_new = bridge_ctl | PCI_BRIDGE_CTL_PARITY |
+ PCI_BRIDGE_CTL_SERR | PCI_BRIDGE_CTL_MASTER_ABORT;
+ dev_info(&dev->dev, "Changing bridge control from 0x%08x to 0x%08x\n",
+ bridge_ctl, bridge_ctl_new);
+
+ pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bridge_ctl_new);
+}
/*
* pcibios align resources() is called every time generic PCI code
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index b68d977ce..e81ccf171 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -44,6 +44,10 @@
struct system_cpuinfo_parisc boot_cpu_data __read_mostly;
EXPORT_SYMBOL(boot_cpu_data);
+#ifdef CONFIG_PA8X00
+int _parisc_requires_coherency __read_mostly;
+EXPORT_SYMBOL(_parisc_requires_coherency);
+#endif
DEFINE_PER_CPU(struct cpuinfo_parisc, cpu_data);
@@ -277,8 +281,12 @@ void __init collect_boot_cpu_data(void)
boot_cpu_data.cpu_type = parisc_get_cpu_type(boot_cpu_data.hversion);
boot_cpu_data.cpu_name = cpu_name_version[boot_cpu_data.cpu_type][0];
boot_cpu_data.family_name = cpu_name_version[boot_cpu_data.cpu_type][1];
-}
+#ifdef CONFIG_PA8X00
+ _parisc_requires_coherency = (boot_cpu_data.cpu_type == mako) ||
+ (boot_cpu_data.cpu_type == mako2);
+#endif
+}
/**
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index d4ffcfbc9..585d50fc7 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -441,6 +441,7 @@
ENTRY_SAME(membarrier)
ENTRY_SAME(userfaultfd)
ENTRY_SAME(mlock2) /* 345 */
+ ENTRY_SAME(copy_file_range)
.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))