diff options
| -rw-r--r-- | arch/x86/include/asm/uv/uv_bau.h | 11 | ||||
| -rw-r--r-- | arch/x86/platform/uv/tlb_uv.c | 19 |
2 files changed, 30 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index a46f270e2789..a7a93a5beb00 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -385,6 +385,17 @@ struct uv2_3_bau_msg_header { /* bits 127:120 */ }; +/* Abstracted BAU functions */ +struct bau_operations { + unsigned long (*read_l_sw_ack)(void); + unsigned long (*read_g_sw_ack)(int pnode); + unsigned long (*bau_gpa_to_offset)(unsigned long vaddr); + void (*write_l_sw_ack)(unsigned long mmr); + void (*write_g_sw_ack)(int pnode, unsigned long mmr); + void (*write_payload_first)(int pnode, unsigned long mmr); + void (*write_payload_last)(int pnode, unsigned long mmr); +}; + /* * The activation descriptor: * The format of the message to send, plus all accompanying control diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index 34b2a48143d5..a33a43358e4e 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -24,6 +24,18 @@ #include <asm/irq_vectors.h> #include <asm/timer.h> +static struct bau_operations ops; + +static struct bau_operations uv123_bau_ops = { + .bau_gpa_to_offset = uv_gpa_to_offset, + .read_l_sw_ack = read_mmr_sw_ack, + .read_g_sw_ack = read_gmmr_sw_ack, + .write_l_sw_ack = write_mmr_sw_ack, + .write_g_sw_ack = write_gmmr_sw_ack, + .write_payload_first = write_mmr_payload_first, + .write_payload_last = write_mmr_payload_last, +}; + /* timeouts in nanoseconds (indexed by UVH_AGING_PRESCALE_SEL urgency7 30:28) */ static int timeout_base_ns[] = { 20, @@ -2135,6 +2147,13 @@ static int __init uv_bau_init(void) if (!is_uv_system()) return 0; + if (is_uv3_hub()) + ops = uv123_bau_ops; + else if (is_uv2_hub()) + ops = uv123_bau_ops; + else if (is_uv1_hub()) + ops = uv123_bau_ops; + for_each_possible_cpu(cur_cpu) { mask = &per_cpu(uv_flush_tlb_mask, cur_cpu); zalloc_cpumask_var_node(mask, GFP_KERNEL, cpu_to_node(cur_cpu)); |