diff options
Diffstat (limited to 'drivers/misc/sgi-gru/grufile.c')
| -rw-r--r-- | drivers/misc/sgi-gru/grufile.c | 71 |
1 files changed, 19 insertions, 52 deletions
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index bbefe77c67a..fa2d93a9fb8 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -46,6 +46,7 @@ struct gru_blade_state *gru_base[GRU_MAX_BLADES] __read_mostly; unsigned long gru_start_paddr __read_mostly; +void *gru_start_vaddr __read_mostly; unsigned long gru_end_paddr __read_mostly; unsigned int gru_max_gids __read_mostly; struct gru_stats_s gru_stats; @@ -135,11 +136,9 @@ static int gru_create_new_context(unsigned long arg) if (copy_from_user(&req, (void __user *)arg, sizeof(req))) return -EFAULT; - if (req.data_segment_bytes == 0 || - req.data_segment_bytes > max_user_dsr_bytes) + if (req.data_segment_bytes > max_user_dsr_bytes) return -EINVAL; - if (!req.control_blocks || !req.maximum_thread_count || - req.control_blocks > max_user_cbrs) + if (req.control_blocks > max_user_cbrs || !req.maximum_thread_count) return -EINVAL; if (!(req.options & GRU_OPT_MISS_MASK)) @@ -184,41 +183,6 @@ static long gru_get_config_info(unsigned long arg) } /* - * Get GRU chiplet status - */ -static long gru_get_chiplet_status(unsigned long arg) -{ - struct gru_state *gru; - struct gru_chiplet_info info; - - if (copy_from_user(&info, (void __user *)arg, sizeof(info))) - return -EFAULT; - - if (info.node == -1) - info.node = numa_node_id(); - if (info.node >= num_possible_nodes() || - info.chiplet >= GRU_CHIPLETS_PER_HUB || - info.node < 0 || info.chiplet < 0) - return -EINVAL; - - info.blade = uv_node_to_blade_id(info.node); - gru = get_gru(info.blade, info.chiplet); - - info.total_dsr_bytes = GRU_NUM_DSR_BYTES; - info.total_cbr = GRU_NUM_CB; - info.total_user_dsr_bytes = GRU_NUM_DSR_BYTES - - gru->gs_reserved_dsr_bytes; - info.total_user_cbr = GRU_NUM_CB - gru->gs_reserved_cbrs; - info.free_user_dsr_bytes = hweight64(gru->gs_dsr_map) * - GRU_DSR_AU_BYTES; - info.free_user_cbr = hweight64(gru->gs_cbr_map) * GRU_CBR_AU_SIZE; - - if (copy_to_user((void __user *)arg, &info, sizeof(info))) - return -EFAULT; - return 0; -} - -/* * gru_file_unlocked_ioctl * * Called to update file attributes via IOCTL calls. @@ -234,8 +198,8 @@ static long gru_file_unlocked_ioctl(struct file *file, unsigned int req, case GRU_CREATE_CONTEXT: err = gru_create_new_context(arg); break; - case GRU_SET_TASK_SLICE: - err = gru_set_task_slice(arg); + case GRU_SET_CONTEXT_OPTION: + err = gru_set_context_option(arg); break; case GRU_USER_GET_EXCEPTION_DETAIL: err = gru_get_exception_detail(arg); @@ -243,18 +207,24 @@ static long gru_file_unlocked_ioctl(struct file *file, unsigned int req, case GRU_USER_UNLOAD_CONTEXT: err = gru_user_unload_context(arg); break; - case GRU_GET_CHIPLET_STATUS: - err = gru_get_chiplet_status(arg); - break; case GRU_USER_FLUSH_TLB: err = gru_user_flush_tlb(arg); break; case GRU_USER_CALL_OS: err = gru_handle_user_call_os(arg); break; + case GRU_GET_GSEG_STATISTICS: + err = gru_get_gseg_statistics(arg); + break; + case GRU_KTEST: + err = gru_ktest(arg); + break; case GRU_GET_CONFIG_INFO: err = gru_get_config_info(arg); break; + case GRU_DUMP_CHIPLET_STATE: + err = gru_dump_chiplet_request(arg); + break; } return err; } @@ -282,7 +252,6 @@ static void gru_init_chiplet(struct gru_state *gru, unsigned long paddr, gru_dbg(grudev, "bid %d, nid %d, gid %d, vaddr %p (0x%lx)\n", bid, nid, gru->gs_gid, gru->gs_gru_base_vaddr, gru->gs_gru_base_paddr); - gru_kservices_init(gru); } static int gru_init_tables(unsigned long gru_base_paddr, void *gru_base_vaddr) @@ -302,13 +271,14 @@ static int gru_init_tables(unsigned long gru_base_paddr, void *gru_base_vaddr) pnode = uv_node_to_pnode(nid); if (bid < 0 || gru_base[bid]) continue; - page = alloc_pages_node(nid, GFP_KERNEL, order); + page = alloc_pages_exact_node(nid, GFP_KERNEL, order); if (!page) goto fail; gru_base[bid] = page_address(page); memset(gru_base[bid], 0, sizeof(struct gru_blade_state)); gru_base[bid]->bs_lru_gru = &gru_base[bid]->bs_grus[0]; spin_lock_init(&gru_base[bid]->bs_lock); + init_rwsem(&gru_base[bid]->bs_kgts_sema); dsrbytes = 0; cbrs = 0; @@ -372,7 +342,6 @@ static int __init gru_init(void) { int ret, irq, chip; char id[10]; - void *gru_start_vaddr; if (!is_uv_system()) return 0; @@ -422,6 +391,7 @@ static int __init gru_init(void) printk(KERN_ERR "%s: init tables failed\n", GRU_DRIVER_ID_STR); goto exit3; } + gru_kservices_init(); printk(KERN_INFO "%s: v%s\n", GRU_DRIVER_ID_STR, GRU_DRIVER_VERSION_STR); @@ -440,7 +410,7 @@ exit1: static void __exit gru_exit(void) { - int i, bid, gid; + int i, bid; int order = get_order(sizeof(struct gru_state) * GRU_CHIPLETS_PER_BLADE); @@ -449,10 +419,7 @@ static void __exit gru_exit(void) for (i = 0; i < GRU_CHIPLETS_PER_BLADE; i++) free_irq(IRQ_GRU + i, NULL); - - foreach_gid(gid) - gru_kservices_exit(GID_TO_GRU(gid)); - + gru_kservices_exit(); for (bid = 0; bid < GRU_MAX_BLADES; bid++) free_pages((unsigned long)gru_base[bid], order); |