diff options
Diffstat (limited to 'arch/powerpc/platforms/cell')
| -rw-r--r-- | arch/powerpc/platforms/cell/Kconfig | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/setup.c | 78 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/spu_base.c | 101 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/spu_callbacks.c | 13 |
4 files changed, 93 insertions, 102 deletions
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index c2a3db8edb0..6a02d51086c 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -12,7 +12,8 @@ config SPU_FS config SPUFS_MMAP bool - depends on SPU_FS && SPARSEMEM && !PPC_64K_PAGES + depends on SPU_FS && SPARSEMEM + select MEMORY_HOTPLUG default y endmenu diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index dac5d0365fd..6574b22b3cf 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -29,6 +29,8 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/console.h> +#include <linux/mutex.h> +#include <linux/memory_hotplug.h> #include <asm/mmu.h> #include <asm/processor.h> @@ -46,6 +48,7 @@ #include <asm/cputable.h> #include <asm/ppc-pci.h> #include <asm/irq.h> +#include <asm/spu.h> #include "interrupt.h" #include "iommu.h" @@ -69,77 +72,6 @@ static void cell_show_cpuinfo(struct seq_file *m) of_node_put(root); } -#ifdef CONFIG_SPARSEMEM -static int __init find_spu_node_id(struct device_node *spe) -{ - unsigned int *id; -#ifdef CONFIG_NUMA - struct device_node *cpu; - cpu = spe->parent->parent; - id = (unsigned int *)get_property(cpu, "node-id", NULL); -#else - id = NULL; -#endif - return id ? *id : 0; -} - -static void __init cell_spuprop_present(struct device_node *spe, - const char *prop, int early) -{ - struct address_prop { - unsigned long address; - unsigned int len; - } __attribute__((packed)) *p; - int proplen; - - unsigned long start_pfn, end_pfn, pfn; - int node_id; - - p = (void*)get_property(spe, prop, &proplen); - WARN_ON(proplen != sizeof (*p)); - - node_id = find_spu_node_id(spe); - - start_pfn = p->address >> PAGE_SHIFT; - end_pfn = (p->address + p->len + PAGE_SIZE - 1) >> PAGE_SHIFT; - - /* We need to call memory_present *before* the call to sparse_init, - but we can initialize the page structs only *after* that call. - Thus, we're being called twice. */ - if (early) - memory_present(node_id, start_pfn, end_pfn); - else { - /* As the pages backing SPU LS and I/O are outside the range - of regular memory, their page structs were not initialized - by free_area_init. Do it here instead. */ - for (pfn = start_pfn; pfn < end_pfn; pfn++) { - struct page *page = pfn_to_page(pfn); - set_page_links(page, ZONE_DMA, node_id, pfn); - init_page_count(page); - reset_page_mapcount(page); - SetPageReserved(page); - INIT_LIST_HEAD(&page->lru); - } - } -} - -static void __init cell_spumem_init(int early) -{ - struct device_node *node; - for (node = of_find_node_by_type(NULL, "spe"); - node; node = of_find_node_by_type(node, "spe")) { - cell_spuprop_present(node, "local-store", early); - cell_spuprop_present(node, "problem", early); - cell_spuprop_present(node, "priv1", early); - cell_spuprop_present(node, "priv2", early); - } -} -#else -static void __init cell_spumem_init(int early) -{ -} -#endif - static void cell_progress(char *s, unsigned short hex) { printk("*** %04x : %s\n", hex, s ? s : ""); @@ -172,8 +104,6 @@ static void __init cell_setup_arch(void) #endif mmio_nvram_init(); - - cell_spumem_init(0); } /* @@ -189,8 +119,6 @@ static void __init cell_init_early(void) ppc64_interrupt_controller = IC_CELL_PIC; - cell_spumem_init(1); - DBG(" <- cell_init_early()\n"); } diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 269dda4fd0b..ad141fe8d52 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -306,19 +306,19 @@ spu_request_irqs(struct spu *spu) snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0", spu->number); ret = request_irq(irq_base + spu->isrc, - spu_irq_class_0, 0, spu->irq_c0, spu); + spu_irq_class_0, SA_INTERRUPT, spu->irq_c0, spu); if (ret) goto out; snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1", spu->number); ret = request_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc, - spu_irq_class_1, 0, spu->irq_c1, spu); + spu_irq_class_1, SA_INTERRUPT, spu->irq_c1, spu); if (ret) goto out1; snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2", spu->number); ret = request_irq(irq_base + 2*IIC_CLASS_STRIDE + spu->isrc, - spu_irq_class_2, 0, spu->irq_c2, spu); + spu_irq_class_2, SA_INTERRUPT, spu->irq_c2, spu); if (ret) goto out2; goto out; @@ -487,10 +487,14 @@ int spu_irq_class_1_bottom(struct spu *spu) ea = spu->dar; dsisr = spu->dsisr; if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) { + u64 flags; + access = (_PAGE_PRESENT | _PAGE_USER); access |= (dsisr & MFC_DSISR_ACCESS_PUT) ? _PAGE_RW : 0UL; + local_irq_save(flags); if (hash_page(ea, access, 0x300) != 0) error |= CLASS1_ENABLE_STORAGE_FAULT_INTR; + local_irq_restore(flags); } if (error & CLASS1_ENABLE_STORAGE_FAULT_INTR) { if ((ret = spu_handle_mm_fault(spu)) != 0) @@ -516,8 +520,50 @@ void spu_irq_setaffinity(struct spu *spu, int cpu) } EXPORT_SYMBOL_GPL(spu_irq_setaffinity); -static void __iomem * __init map_spe_prop(struct device_node *n, - const char *name) +static int __init find_spu_node_id(struct device_node *spe) +{ + unsigned int *id; + struct device_node *cpu; + cpu = spe->parent->parent; + id = (unsigned int *)get_property(cpu, "node-id", NULL); + return id ? *id : 0; +} + +static int __init cell_spuprop_present(struct spu *spu, struct device_node *spe, + const char *prop) +{ + static DEFINE_MUTEX(add_spumem_mutex); + + struct address_prop { + unsigned long address; + unsigned int len; + } __attribute__((packed)) *p; + int proplen; + + unsigned long start_pfn, nr_pages; + struct pglist_data *pgdata; + struct zone *zone; + int ret; + + p = (void*)get_property(spe, prop, &proplen); + WARN_ON(proplen != sizeof (*p)); + + start_pfn = p->address >> PAGE_SHIFT; + nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT; + + pgdata = NODE_DATA(spu->nid); + zone = pgdata->node_zones; + + /* XXX rethink locking here */ + mutex_lock(&add_spumem_mutex); + ret = __add_pages(zone, start_pfn, nr_pages); + mutex_unlock(&add_spumem_mutex); + + return ret; +} + +static void __iomem * __init map_spe_prop(struct spu *spu, + struct device_node *n, const char *name) { struct address_prop { unsigned long address; @@ -526,6 +572,8 @@ static void __iomem * __init map_spe_prop(struct device_node *n, void *p; int proplen; + void* ret = NULL; + int err = 0; p = get_property(n, name, &proplen); if (proplen != sizeof (struct address_prop)) @@ -533,7 +581,14 @@ static void __iomem * __init map_spe_prop(struct device_node *n, prop = p; - return ioremap(prop->address, prop->len); + err = cell_spuprop_present(spu, n, name); + if (err && (err != -EEXIST)) + goto out; + + ret = ioremap(prop->address, prop->len); + + out: + return ret; } static void spu_unmap(struct spu *spu) @@ -544,44 +599,45 @@ static void spu_unmap(struct spu *spu) iounmap((u8 __iomem *)spu->local_store); } -static int __init spu_map_device(struct spu *spu, struct device_node *spe) +static int __init spu_map_device(struct spu *spu, struct device_node *node) { char *prop; int ret; ret = -ENODEV; - prop = get_property(spe, "isrc", NULL); + prop = get_property(node, "isrc", NULL); if (!prop) goto out; spu->isrc = *(unsigned int *)prop; - spu->name = get_property(spe, "name", NULL); + spu->name = get_property(node, "name", NULL); if (!spu->name) goto out; - prop = get_property(spe, "local-store", NULL); + prop = get_property(node, "local-store", NULL); if (!prop) goto out; spu->local_store_phys = *(unsigned long *)prop; /* we use local store as ram, not io memory */ - spu->local_store = (void __force *)map_spe_prop(spe, "local-store"); + spu->local_store = (void __force *) + map_spe_prop(spu, node, "local-store"); if (!spu->local_store) goto out; - prop = get_property(spe, "problem", NULL); + prop = get_property(node, "problem", NULL); if (!prop) goto out_unmap; spu->problem_phys = *(unsigned long *)prop; - spu->problem= map_spe_prop(spe, "problem"); + spu->problem= map_spe_prop(spu, node, "problem"); if (!spu->problem) goto out_unmap; - spu->priv1= map_spe_prop(spe, "priv1"); + spu->priv1= map_spe_prop(spu, node, "priv1"); /* priv1 is not available on a hypervisor */ - spu->priv2= map_spe_prop(spe, "priv2"); + spu->priv2= map_spe_prop(spu, node, "priv2"); if (!spu->priv2) goto out_unmap; ret = 0; @@ -593,17 +649,6 @@ out: return ret; } -static int __init find_spu_node_id(struct device_node *spe) -{ - unsigned int *id; - struct device_node *cpu; - - cpu = spe->parent->parent; - id = (unsigned int *)get_property(cpu, "node-id", NULL); - - return id ? *id : 0; -} - static int __init create_spu(struct device_node *spe) { struct spu *spu; @@ -620,6 +665,10 @@ static int __init create_spu(struct device_node *spe) goto out_free; spu->node = find_spu_node_id(spe); + spu->nid = of_node_to_nid(spe); + if (spu->nid == -1) + spu->nid = 0; + spu->stop_code = 0; spu->slb_replace = 0; spu->mm = NULL; diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c index b283380a2a1..95b36430aa0 100644 --- a/arch/powerpc/platforms/cell/spu_callbacks.c +++ b/arch/powerpc/platforms/cell/spu_callbacks.c @@ -319,6 +319,19 @@ void *spu_syscall_table[] = { [__NR_splice] sys_splice, [__NR_tee] sys_tee, [__NR_vmsplice] sys_vmsplice, + [__NR_openat] sys_openat, + [__NR_mkdirat] sys_mkdirat, + [__NR_mknodat] sys_mknodat, + [__NR_fchownat] sys_fchownat, + [__NR_futimesat] sys_futimesat, + [__NR_newfstatat] sys_newfstatat, + [__NR_unlinkat] sys_unlinkat, + [__NR_renameat] sys_renameat, + [__NR_linkat] sys_linkat, + [__NR_symlinkat] sys_symlinkat, + [__NR_readlinkat] sys_readlinkat, + [__NR_fchmodat] sys_fchmodat, + [__NR_faccessat] sys_faccessat, }; long spu_sys_callback(struct spu_syscall_block *s) |