diff options
-rw-r--r-- | arch/x86/include/asm/cpufeature.h | 2 | ||||
-rw-r--r-- | arch/x86/include/asm/desc.h | 152 | ||||
-rw-r--r-- | arch/x86/include/asm/mmu.h | 4 | ||||
-rw-r--r-- | arch/x86/include/asm/uv/uv_bau.h | 590 | ||||
-rw-r--r-- | arch/x86/include/asm/uv/uv_hub.h | 71 | ||||
-rw-r--r-- | arch/x86/include/asm/uv/uv_mmrs.h | 1012 | ||||
-rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 40 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/amd.c | 7 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/common.c | 7 | ||||
-rw-r--r-- | arch/x86/kernel/setup.c | 7 | ||||
-rw-r--r-- | arch/x86/mm/fault.c | 35 | ||||
-rw-r--r-- | arch/x86/platform/efi/efi.c | 45 | ||||
-rw-r--r-- | arch/x86/platform/efi/efi_64.c | 5 | ||||
-rw-r--r-- | arch/x86/platform/uv/tlb_uv.c | 1484 | ||||
-rw-r--r-- | arch/x86/platform/uv/uv_time.c | 16 | ||||
-rw-r--r-- | include/linux/efi.h | 1 |
16 files changed, 2284 insertions, 1194 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 5dc6acc98dbd..71cc3800712c 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -125,7 +125,7 @@ #define X86_FEATURE_OSXSAVE (4*32+27) /* "" XSAVE enabled in the OS */ #define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */ #define X86_FEATURE_F16C (4*32+29) /* 16-bit fp conversions */ -#define X86_FEATURE_RDRND (4*32+30) /* The RDRAND instruction */ +#define X86_FEATURE_RDRAND (4*32+30) /* The RDRAND instruction */ #define X86_FEATURE_HYPERVISOR (4*32+31) /* Running on a hypervisor */ /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index 617bd56b3070..7b439d9aea2a 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -4,30 +4,33 @@ #include <asm/desc_defs.h> #include <asm/ldt.h> #include <asm/mmu.h> + #include <linux/smp.h> -static inline void fill_ldt(struct desc_struct *desc, - const struct user_desc *info) -{ - desc->limit0 = info->limit & 0x0ffff; - desc->base0 = info->base_addr & 0x0000ffff; - - desc->base1 = (info->base_addr & 0x00ff0000) >> 16; - desc->type = (info->read_exec_only ^ 1) << 1; - desc->type |= info->contents << 2; - desc->s = 1; - desc->dpl = 0x3; - desc->p = info->seg_not_present ^ 1; - desc->limit = (info->limit & 0xf0000) >> 16; - desc->avl = info->useable; - desc->d = info->seg_32bit; - desc->g = info->limit_in_pages; - desc->base2 = (info->base_addr & 0xff000000) >> 24; +static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *info) +{ + desc->limit0 = info->limit & 0x0ffff; + + desc->base0 = (info->base_addr & 0x0000ffff); + desc->base1 = (info->base_addr & 0x00ff0000) >> 16; + + desc->type = (info->read_exec_only ^ 1) << 1; + desc->type |= info->contents << 2; + + desc->s = 1; + desc->dpl = 0x3; + desc->p = info->seg_not_present ^ 1; + desc->limit = (info->limit & 0xf0000) >> 16; + desc->avl = info->useable; + desc->d = info->seg_32bit; + desc->g = info->limit_in_pages; + + desc->base2 = (info->base_addr & 0xff000000) >> 24; /* * Don't allow setting of the lm bit. It is useless anyway * because 64bit system calls require __USER_CS: */ - desc->l = 0; + desc->l = 0; } extern struct desc_ptr idt_descr; @@ -36,6 +39,7 @@ extern gate_desc idt_table[]; struct gdt_page { struct desc_struct gdt[GDT_ENTRIES]; } __attribute__((aligned(PAGE_SIZE))); + DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page); static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) @@ -48,16 +52,16 @@ static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) static inline void pack_gate(gate_desc *gate, unsigned type, unsigned long func, unsigned dpl, unsigned ist, unsigned seg) { - gate->offset_low = PTR_LOW(func); - gate->segment = __KERNEL_CS; - gate->ist = ist; - gate->p = 1; - gate->dpl = dpl; - gate->zero0 = 0; - gate->zero1 = 0; - gate->type = type; - gate->offset_middle = PTR_MIDDLE(func); - gate->offset_high = PTR_HIGH(func); + gate->offset_low = PTR_LOW(func); + gate->segment = __KERNEL_CS; + gate->ist = ist; + gate->p = 1; + gate->dpl = dpl; + gate->zero0 = 0; + gate->zero1 = 0; + gate->type = type; + gate->offset_middle = PTR_MIDDLE(func); + gate->offset_high = PTR_HIGH(func); } #else @@ -66,8 +70,7 @@ static inline void pack_gate(gate_desc *gate, unsigned char type, unsigned short seg) { gate->a = (seg << 16) | (base & 0xffff); - gate->b = (base & 0xffff0000) | - (((0x80 | type | (dpl << 5)) & 0xff) << 8); + gate->b = (base & 0xffff0000) | (((0x80 | type | (dpl << 5)) & 0xff) << 8); } #endif @@ -75,31 +78,29 @@ static inline void pack_gate(gate_desc *gate, unsigned char type, static inline int desc_empty(const void *ptr) { const u32 *desc = ptr; + return !(desc[0] | desc[1]); } #ifdef CONFIG_PARAVIRT #include <asm/paravirt.h> #else -#define load_TR_desc() native_load_tr_desc() -#define load_gdt(dtr) native_load_gdt(dtr) -#define load_idt(dtr) native_load_idt(dtr) -#define load_tr(tr) asm volatile("ltr %0"::"m" (tr)) -#define load_ldt(ldt) asm volatile("lldt %0"::"m" (ldt)) - -#define store_gdt(dtr) native_store_gdt(dtr) -#define store_idt(dtr) native_store_idt(dtr) -#define store_tr(tr) (tr = native_store_tr()) - -#define load_TLS(t, cpu) native_load_tls(t, cpu) -#define set_ldt native_set_ldt - -#define write_ldt_entry(dt, entry, desc) \ - native_write_ldt_entry(dt, entry, desc) -#define write_gdt_entry(dt, entry, desc, type) \ - native_write_gdt_entry(dt, entry, desc, type) -#define write_idt_entry(dt, entry, g) \ - native_write_idt_entry(dt, entry, g) +#define load_TR_desc() native_load_tr_desc() +#define load_gdt(dtr) native_load_gdt(dtr) +#define load_idt(dtr) native_load_idt(dtr) +#define load_tr(tr) asm volatile("ltr %0"::"m" (tr)) +#define load_ldt(ldt) asm volatile("lldt %0"::"m" (ldt)) + +#define store_gdt(dtr) native_store_gdt(dtr) +#define store_idt(dtr) native_store_idt(dtr) +#define store_tr(tr) (tr = native_store_tr()) + +#define load_TLS(t, cpu) native_load_tls(t, cpu) +#define set_ldt native_set_ldt + +#define write_ldt_entry(dt, entry, desc) native_write_ldt_entry(dt, entry, desc) +#define write_gdt_entry(dt, entry, desc, type) native_write_gdt_entry(dt, entry, desc, type) +#define write_idt_entry(dt, entry, g) native_write_idt_entry(dt, entry, g) static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries) { @@ -112,33 +113,27 @@ static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) #define store_ldt(ldt) asm("sldt %0" : "=m"(ldt)) -static inline void native_write_idt_entry(gate_desc *idt, int entry, - const gate_desc *gate) +static inline void native_write_idt_entry(gate_desc *idt, int entry, const gate_desc *gate) { memcpy(&idt[entry], gate, sizeof(*gate)); } -static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, - const void *desc) +static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, const void *desc) { memcpy(&ldt[entry], desc, 8); } -static inline void native_write_gdt_entry(struct desc_struct *gdt, int entry, - const void *desc, int type) +static inline void +native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int type) { unsigned int size; + switch (type) { - case DESC_TSS: - size = sizeof(tss_desc); - break; - case DESC_LDT: - size = sizeof(ldt_desc); - break; - default: - size = sizeof(struct desc_struct); - break; + case DESC_TSS: size = sizeof(tss_desc); break; + case DESC_LDT: size = sizeof(ldt_desc); break; + default: size = sizeof(*gdt); break; } + memcpy(&gdt[entry], desc, size); } @@ -154,20 +149,21 @@ static inline void pack_descriptor(struct desc_struct *desc, unsigned long base, } -static inline void set_tssldt_descriptor(void *d, unsigned long addr, - unsigned type, unsigned size) +static inline void set_tssldt_descriptor(void *d, unsigned long addr, unsigned type, unsigned size) { #ifdef CONFIG_X86_64 struct ldttss_desc64 *desc = d; + memset(desc, 0, sizeof(*desc)); - desc->limit0 = size & 0xFFFF; - desc->base0 = PTR_LOW(addr); - desc->base1 = PTR_MIDDLE(addr) & 0xFF; - desc->type = type; - desc->p = 1; - desc->limit1 = (size >> 16) & 0xF; - desc->base2 = (PTR_MIDDLE(addr) >> 8) & 0xFF; - desc->base3 = PTR_HIGH(addr); + + desc->limit0 = size & 0xFFFF; + desc->base0 = PTR_LOW(addr); + desc->base1 = PTR_MIDDLE(addr) & 0xFF; + desc->type = type; + desc->p = 1; + desc->limit1 = (size >> 16) & 0xF; + desc->base2 = (PTR_MIDDLE(addr) >> 8) & 0xFF; + desc->base3 = PTR_HIGH(addr); #else pack_descriptor((struct desc_struct *)d, addr, size, 0x80 | type, 0); #endif @@ -237,14 +233,16 @@ static inline void native_store_idt(struct desc_ptr *dtr) static inline unsigned long native_store_tr(void) { unsigned long tr; + asm volatile("str %0":"=r" (tr)); + return tr; } static inline void native_load_tls(struct thread_struct *t, unsigned int cpu) { - unsigned int i; struct desc_struct *gdt = get_cpu_gdt_table(cpu); + unsigned int i; for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++) gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]; @@ -313,6 +311,7 @@ static inline void _set_gate(int gate, unsigned type, void *addr, unsigned dpl, unsigned ist, unsigned seg) { gate_desc s; + pack_gate(&s, type, (unsigned long)addr, dpl, ist, seg); /* * does not need to be atomic because it is only done once at @@ -343,8 +342,9 @@ static inline void alloc_system_vector(int vector) set_bit(vector, used_vectors); if (first_system_vector > vector) first_system_vector = vector; - } else + } else { BUG(); + } } static inline void alloc_intr_gate(unsigned int n, void *addr) diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h index aeff3e89b222..5f55e6962769 100644 --- a/arch/x86/include/asm/mmu.h +++ b/arch/x86/include/asm/mmu.h @@ -11,14 +11,14 @@ typedef struct { void *ldt; int size; - struct mutex lock; - void *vdso; #ifdef CONFIG_X86_64 /* True if mm supports a task running in 32 bit compatibility mode. */ unsigned short ia32_compat; #endif + struct mutex lock; + void *vdso; } mm_context_t; #ifdef CONFIG_SMP diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index 130f1eeee5fe..a291c40efd43 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -5,7 +5,7 @@ * * SGI UV Broadcast Assist Unit definitions * - * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2008-2011 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_X86_UV_UV_BAU_H @@ -35,17 +35,20 @@ #define MAX_CPUS_PER_UVHUB 64 #define MAX_CPUS_PER_SOCKET 32 -#define UV_ADP_SIZE 64 /* hardware-provided max. */ -#define UV_CPUS_PER_ACT_STATUS 32 /* hardware-provided max. */ -#define UV_ITEMS_PER_DESCRIPTOR 8 +#define ADP_SZ 64 /* hardware-provided max. */ +#define UV_CPUS_PER_AS 32 /* hardware-provided max. */ +#define ITEMS_PER_DESC 8 /* the 'throttle' to prevent the hardware stay-busy bug */ #define MAX_BAU_CONCURRENT 3 #define UV_ACT_STATUS_MASK 0x3 #define UV_ACT_STATUS_SIZE 2 #define UV_DISTRIBUTION_SIZE 256 #define UV_SW_ACK_NPENDING 8 -#define UV_NET_ENDPOINT_INTD 0x38 -#define UV_DESC_BASE_PNODE_SHIFT 49 +#define UV1_NET_ENDPOINT_INTD 0x38 +#define UV2_NET_ENDPOINT_INTD 0x28 +#define UV_NET_ENDPOINT_INTD (is_uv1_hub() ? \ + UV1_NET_ENDPOINT_INTD : UV2_NET_ENDPOINT_INTD) +#define UV_DESC_PSHIFT 49 #define UV_PAYLOADQ_PNODE_SHIFT 49 #define UV_PTC_BASENAME "sgi_uv/ptc_statistics" #define UV_BAU_BASENAME "sgi_uv/bau_tunables" @@ -53,29 +56,64 @@ #define UV_BAU_TUNABLES_FILE "bau_tunables" #define WHITESPACE " \t\n" #define uv_physnodeaddr(x) ((__pa((unsigned long)(x)) & uv_mmask)) -#define UV_ENABLE_INTD_SOFT_ACK_MODE_SHIFT 15 -#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHIFT 16 -#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x0000000009UL +#define cpubit_isset(cpu, bau_local_cpumask) \ + test_bit((cpu), (bau_local_cpumask).bits) + /* [19:16] SOFT_ACK timeout period 19: 1 is urgency 7 17:16 1 is multiplier */ -#define BAU_MISC_CONTROL_MULT_MASK 3 +/* + * UV2: Bit 19 selects between + * (0): 10 microsecond timebase and + * (1): 80 microseconds + * we're using 655us, similar to UV1: 65 units of 10us + */ +#define UV1_INTD_SOFT_ACK_TIMEOUT_PERIOD (9UL) +#define UV2_INTD_SOFT_ACK_TIMEOUT_PERIOD (65*10UL) + +#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD (is_uv1_hub() ? \ + UV1_INTD_SOFT_ACK_TIMEOUT_PERIOD : \ + UV2_INTD_SOFT_ACK_TIMEOUT_PERIOD) -#define UVH_AGING_PRESCALE_SEL 0x000000b000UL +#define BAU_MISC_CONTROL_MULT_MASK 3 + +#define UVH_AGING_PRESCALE_SEL 0x000000b000UL /* [30:28] URGENCY_7 an index into a table of times */ -#define BAU_URGENCY_7_SHIFT 28 -#define BAU_URGENCY_7_MASK 7 +#define BAU_URGENCY_7_SHIFT 28 +#define BAU_URGENCY_7_MASK 7 -#define UVH_TRANSACTION_TIMEOUT 0x000000b200UL +#define UVH_TRANSACTION_TIMEOUT 0x000000b200UL /* [45:40] BAU - BAU transaction timeout select - a multiplier */ -#define BAU_TRANS_SHIFT 40 -#define BAU_TRANS_MASK 0x3f +#define BAU_TRANS_SHIFT 40 +#define BAU_TRANS_MASK 0x3f + +/* + * shorten some awkward names + */ +#define AS_PUSH_SHIFT UVH_LB_BAU_SB_ACTIVATION_CONTROL_PUSH_SHFT +#define SOFTACK_MSHIFT UVH_LB_BAU_MISC_CONTROL_ENABLE_INTD_SOFT_ACK_MODE_SHFT +#define SOFTACK_PSHIFT UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHFT +#define SOFTACK_TIMEOUT_PERIOD UV_INTD_SOFT_ACK_TIMEOUT_PERIOD +#define write_gmmr uv_write_global_mmr64 +#define write_lmmr uv_write_local_mmr +#define read_lmmr uv_read_local_mmr +#define read_gmmr uv_read_global_mmr64 /* * bits in UVH_LB_BAU_SB_ACTIVATION_STATUS_0/1 */ -#define DESC_STATUS_IDLE 0 -#define DESC_STATUS_ACTIVE 1 -#define DESC_STATUS_DESTINATION_TIMEOUT 2 -#define DESC_STATUS_SOURCE_TIMEOUT 3 +#define DS_IDLE 0 +#define DS_ACTIVE 1 +#define DS_DESTINATION_TIMEOUT 2 +#define DS_SOURCE_TIMEOUT 3 +/* + * bits put together from HRP_LB_BAU_SB_ACTIVATION_STATUS_0/1/2 + * values 1 and 5 will not occur + */ +#define UV2H_DESC_IDLE 0 +#define UV2H_DESC_DEST_TIMEOUT 2 +#define UV2H_DESC_DEST_STRONG_NACK 3 +#define UV2H_DESC_BUSY 4 +#define UV2H_DESC_SOURCE_TIMEOUT 6 +#define UV2H_DESC_DEST_PUT_ERR 7 /* * delay for 'plugged' timeout retries, in microseconds @@ -86,15 +124,24 @@ * threshholds at which to use IPI to free resources */ /* after this # consecutive 'plugged' timeouts, use IPI to release resources */ -#define PLUGSB4RESET 100 +#define PLUGSB4RESET 100 /* after this many consecutive timeouts, use IPI to release resources */ -#define TIMEOUTSB4RESET 1 +#define TIMEOUTSB4RESET 1 /* at this number uses of IPI to release resources, giveup the request */ -#define IPI_RESET_LIMIT 1 +#define IPI_RESET_LIMIT 1 /* after this # consecutive successes, bump up the throttle if it was lowered */ -#define COMPLETE_THRESHOLD 5 +#define COMPLETE_THRESHOLD 5 + +#define UV_LB_SUBNODEID 0x10 -#define UV_LB_SUBNODEID 0x10 +/* these two are the same for UV1 and UV2: */ +#define UV_SA_SHFT UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHFT +#define UV_SA_MASK UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_MASK +/* 4 bits of software ack period */ +#define UV2_ACK_MASK 0x7UL +#define UV2_ACK_UNITS_SHFT 3 +#define UV2_LEG_SHFT UV2H_LB_BAU_MISC_CONTROL_USE_LEGACY_DESCRIPTOR_FORMATS_SHFT +#define UV2_EXT_SHFT UV2H_LB_BAU_MISC_CONTROL_ENABLE_EXTENDED_SB_STATUS_SHFT /* * number of entries in the destination side payload queue @@ -115,9 +162,16 @@ /* * tuning the action when the numalink network is extremely delayed */ -#define CONGESTED_RESPONSE_US 1000 /* 'long' response time, in microseconds */ -#define CONGESTED_REPS 10 /* long delays averaged over this many broadcasts */ -#define CONGESTED_PERIOD 30 /* time for the bau to be disabled, in seconds */ +#define CONGESTED_RESPONSE_US 1000 /* 'long' response time, in + microseconds */ +#define CONGESTED_REPS 10 /* long delays averaged over + this many broadcasts */ +#define CONGESTED_PERIOD 30 /* time for the bau to be + disabled, in seconds */ +/* see msg_type: */ +#define MSG_NOOP 0 +#define MSG_REGULAR 1 +#define MSG_RETRY 2 /* * Distribution: 32 bytes (256 bits) (bytes 0-0x1f of descriptor) @@ -129,8 +183,8 @@ * 'base_dest_nasid' field of the header corresponds to the * destination nodeID associated with that specified bit. */ -struct bau_target_uvhubmask { - unsigned long bits[BITS_TO_LONGS(UV_DISTRIBUTION_SIZE)]; +struct bau_targ_hubmask { + unsigned long bits[BITS_TO_LONGS(UV_DISTRIBUTION_SIZE)]; }; /* @@ -139,7 +193,7 @@ struct bau_target_uvhubmask { * enough bits for max. cpu's per uvhub) */ struct bau_local_cpumask { - unsigned long bits; + unsigned long bits; }; /* @@ -160,14 +214,14 @@ struct bau_local_cpumask { * The payload is software-defined for INTD transactions */ struct bau_msg_payload { - unsigned long address; /* signifies a page or all TLB's - of the cpu */ + unsigned long address; /* signifies a page or all + TLB's of the cpu */ /* 64 bits */ - unsigned short sending_cpu; /* filled in by sender */ + unsigned short sending_cpu; /* filled in by sender */ /* 16 bits */ - unsigned short acknowledge_count;/* filled in by destination */ + unsigned short acknowledge_count; /* filled in by destination */ /* 16 bits */ - unsigned int reserved1:32; /* not usable */ + unsigned int reserved1:32; /* not usable */ }; @@ -176,93 +230,96 @@ struct bau_msg_payload { * see table 4.2.3.0.1 in broacast_assist spec. */ struct bau_msg_header { - unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */ + unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */ /* bits 5:0 */ - unsigned int base_dest_nasid:15; /* nasid of the */ - /* bits 20:6 */ /* first bit in uvhub map */ - unsigned int command:8; /* message type */ + unsigned int base_dest_nasid:15; /* nasid of the first bit */ + /* bits 20:6 */ /* in uvhub map */ + unsigned int command:8; /* message type */ /* bits 28:21 */ - /* 0x38: SN3net EndPoint Message */ - unsigned int rsvd_1:3; /* must be zero */ + /* 0x38: SN3net EndPoint Message */ + unsigned int rsvd_1:3; /* must be zero */ /* bits 31:29 */ - /* int will align on 32 bits */ - unsigned int rsvd_2:9; /* must be zero */ + /* int will align on 32 bits */ + unsigned int rsvd_2:9; /* must be zero */ /* bits 40:32 */ - /* Suppl_A is 56-41 */ - unsigned int sequence:16;/* message sequence number */ - /* bits 56:41 */ /* becomes bytes 16-17 of msg */ - /* Address field (96:57) is never used as an - address (these are address bits 42:3) */ - - unsigned int rsvd_3:1; /* must be zero */ + /* Suppl_A is 56-41 */ + unsigned int sequence:16; /* message sequence number */ + /* bits 56:41 */ /* becomes bytes 16-17 of msg */ + /* Address field (96:57) is + never used as an address + (these are address bits + 42:3) */ + + unsigned int rsvd_3:1; /* must be zero */ /* bit 57 */ - /* address bits 27:4 are payload */ + /* address bits 27:4 are payload */ /* these next 24 (58-81) bits become bytes 12-14 of msg */ - /* bits 65:58 land in byte 12 */ - unsigned int replied_to:1;/* sent as 0 by the source to byte 12 */ + unsigned int replied_to:1; /* sent as 0 by the source to + byte 12 */ /* bit 58 */ - unsigned int msg_type:3; /* software type of the message*/ + unsigned int msg_type:3; /* software type of the + message */ /* bits 61:59 */ - unsigned int canceled:1; /* message canceled, resource to be freed*/ + unsigned int canceled:1; /* message canceled, resource + is to be freed*/ /* bit 62 */ - unsigned int payload_1a:1;/* not currently used */ + unsigned int payload_1a:1; /* not currently used */ /* bit 63 */ - unsigned int payload_1b:2;/* not currently used */ + unsigned int payload_1b:2; /* not currently used */ /* bits 65:64 */ /* bits 73:66 land in byte 13 */ - unsigned int payload_1ca:6;/* not currently used */ + unsigned int payload_1ca:6; /* not currently used */ /* bits 71:66 */ - unsigned int payload_1c:2;/* not currently used */ + unsigned int payload_1c:2; /* not currently used */ /* bits 73:72 */ /* bits 81:74 land in byte 14 */ - unsigned int payload_1d:6;/* not currently used */ + unsigned int payload_1d:6; /* not currently used */ /* bits 79:74 */ - unsigned int payload_1e:2;/* not currently used */ + unsigned int payload_1e:2; /* not currently used */ /* bits 81:80 */ - unsigned int rsvd_4:7; /* must be zero */ + unsigned int rsvd_4:7; /* must be zero */ /* bits 88:82 */ - unsigned int sw_ack_flag:1;/* software acknowledge flag */ + unsigned int swack_flag:1; /* software acknowledge flag */ /* bit 89 */ - /* INTD trasactions at destination are to - wait for software acknowledge */ - unsigned int rsvd_5:6; /* must be zero */ + /* INTD trasactions at + destination are to wait for + software acknowledge */ + unsigned int rsvd_5:6; /* must be zero */ /* bits 95:90 */ - unsigned int rsvd_6:5; /* must be zero */ + unsigned int rsvd_6:5; /* must be zero */ /* bits 100:96 */ - unsigned int int_both:1;/* if 1, interrupt both sockets on the uvhub */ + unsigned int int_both:1; /* if 1, interrupt both sockets + on the uvhub */ /* bit 101*/ - unsigned int fairness:3;/* usually zero */ + unsigned int fairness:3; /* usually zero */ /* bits 104:102 */ - unsigned int multilevel:1; /* multi-level multicast format */ + unsigned int multilevel:1; /* multi-level multicast + format */ /* bit 105 */ - /* 0 for TLB: endpoint multi-unicast messages */ - unsigned int chaining:1;/* next descriptor is part of this activation*/ + /* 0 for TLB: endpoint multi-unicast messages */ + unsigned int chaining:1; /* next descriptor is part of + this activation*/ /* bit 106 */ - unsigned int rsvd_7:21; /* must be zero */ + unsigned int rsvd_7:21; /* must be zero */ /* bits 127:107 */ }; -/* see msg_type: */ -#define MSG_NOOP 0 -#define MSG_REGULAR 1 -#define MSG_RETRY 2 - /* * The activation descriptor: * The format of the message to send, plus all accompanying control * Should be 64 bytes */ struct bau_desc { - struct bau_target_uvhubmask distribution; + struct bau_targ_hubmask distribution; /* * message template, consisting of header and payload: */ - struct bau_msg_header header; - struct bau_msg_payload payload; + struct bau_msg_header header; + struct bau_msg_payload payload; }; /* * -payload-- ---------header------ @@ -281,59 +338,51 @@ struct bau_desc { * are 32 bytes (2 micropackets) (256 bits) in length, but contain only 17 * bytes of usable data, including the sw ack vector in byte 15 (bits 127:120) * (12 bytes come from bau_msg_payload, 3 from payload_1, 2 from - * sw_ack_vector and payload_2) + * swack_vec and payload_2) * "Enabling Software Acknowledgment mode (see Section 4.3.3 Software * Acknowledge Processing) also selects 32 byte (17 bytes usable) payload * operation." */ -struct bau_payload_queue_entry { - unsigned long address; /* signifies a page or all TLB's - of the cpu */ +struct bau_pq_entry { + unsigned long address; /* signifies a page or all TLB's + of the cpu */ /* 64 bits, bytes 0-7 */ - - unsigned short sending_cpu; /* cpu that sent the message */ + unsigned short sending_cpu; /* cpu that sent the message */ /* 16 bits, bytes 8-9 */ - - unsigned short acknowledge_count; /* filled in by destination */ + unsigned short acknowledge_count; /* filled in by destination */ /* 16 bits, bytes 10-11 */ - /* these next 3 bytes come from bits 58-81 of the message header */ - unsigned short replied_to:1; /* sent as 0 by the source */ - unsigned short msg_type:3; /* software message type */ - unsigned short canceled:1; /* sent as 0 by the source */ - unsigned short unused1:3; /* not currently using */ + unsigned short replied_to:1; /* sent as 0 by the source */ + unsigned short msg_type:3; /* software message type */ + unsigned short canceled:1; /* sent as 0 by the source */ + unsigned short unused1:3; /* not currently using */ /* byte 12 */ - - unsigned char unused2a; /* not currently using */ + unsigned char unused2a; /* not currently using */ /* byte 13 */ - unsigned char unused2; /* not currently using */ + unsigned char unused2; /* not currently using */ /* byte 14 */ - - unsigned char sw_ack_vector; /* filled in by the hardware */ + unsigned char swack_vec; /* filled in by the hardware */ /* byte 15 (bits 127:120) */ - - unsigned short sequence; /* message sequence number */ + unsigned short sequence; /* message sequence number */ /* bytes 16-17 */ - unsigned char unused4[2]; /* not currently using bytes 18-19 */ + unsigned char unused4[2]; /* not currently using bytes 18-19 */ /* bytes 18-19 */ - - int number_of_cpus; /* filled in at destination */ + int number_of_cpus; /* filled in at destination */ /* 32 bits, bytes 20-23 (aligned) */ - - unsigned char unused5[8]; /* not using */ + unsigned char unused5[8]; /* not using */ /* bytes 24-31 */ }; struct msg_desc { - struct bau_payload_queue_entry *msg; - int msg_slot; - int sw_ack_slot; - struct bau_payload_queue_entry *va_queue_first; - struct bau_payload_queue_entry *va_queue_last; + struct bau_pq_entry *msg; + int msg_slot; + int swack_slot; + struct bau_pq_entry *queue_first; + struct bau_pq_entry *queue_last; }; struct reset_args { - int sender; + int sender; }; /* @@ -341,112 +390,226 @@ struct reset_args { */ struct ptc_stats { /* sender statistics */ - unsigned long s_giveup; /* number of fall backs to IPI-style flushes */ - unsigned long s_requestor; /* number of shootdown requests */ - unsigned long s_stimeout; /* source side timeouts */ - unsigned long s_dtimeout; /* destination side timeouts */ - unsigned long s_time; /* time spent in sending side */ - unsigned long s_retriesok; /* successful retries */ - unsigned long s_ntargcpu; /* total number of cpu's targeted */ - unsigned long s_ntargself; /* times the sending cpu was targeted */ - unsigned long s_ntarglocals; /* targets of cpus on the local blade */ - unsigned long s_ntargremotes; /* targets of cpus on remote blades */ - unsigned long s_ntarglocaluvhub; /* targets of the local hub */ - unsigned long s_ntargremoteuvhub; /* remotes hubs targeted */ - unsigned long s_ntarguvhub; /* total number of uvhubs targeted */ - unsigned long s_ntarguvhub16; /* number of times target hubs >= 16*/ - unsigned long s_ntarguvhub8; /* number of times target hubs >= 8 */ - unsigned long s_ntarguvhub4; /* number of times target hubs >= 4 */ - unsigned long s_ntarguvhub2; /* number of times target hubs >= 2 */ - unsigned long s_ntarguvhub1; /* number of times target hubs == 1 */ - unsigned long s_resets_plug; /* ipi-style resets from plug state */ - unsigned long s_resets_timeout; /* ipi-style resets from timeouts */ - unsigned long s_busy; /* status stayed busy past s/w timer */ - unsigned long s_throttles; /* waits in throttle */ - unsigned long s_retry_messages; /* retry broadcasts */ - unsigned long s_bau_reenabled; /* for bau enable/disable */ - unsigned long s_bau_disabled; /* for bau enable/disable */ + unsigned long s_giveup; /* number of fall backs to + IPI-style flushes */ + unsigned long s_requestor; /* number of shootdown + requests */ + unsigned long s_stimeout; /* source side timeouts */ + unsigned long s_dtimeout; /* destination side timeouts */ + unsigned long s_time; /* time spent in sending side */ + unsigned long s_retriesok; /* successful retries */ + unsigned long s_ntargcpu; /* total number of cpu's + targeted */ + unsigned long s_ntargself; /* times the sending cpu was + targeted */ + unsigned long s_ntarglocals; /* targets of cpus on the local + blade */ + unsigned long s_ntargremotes; /* targets of cpus on remote + blades */ + unsigned long s_ntarglocaluvhub; /* targets of the local hub */ + unsigned long s_ntargremoteuvhub; /* remotes hubs targeted */ + unsigned long s_ntarguvhub; /* total number of uvhubs + targeted */ + unsigned long s_ntarguvhub16; /* number of times target + hubs >= 16*/ + unsigned long s_ntarguvhub8; /* number of times target + hubs >= 8 */ + unsigned long s_ntarguvhub4; /* number of times target + hubs >= 4 */ + unsigned long s_ntarguvhub2; /* number of times target + hubs >= 2 */ + unsigned long s_ntarguvhub1; /* number of times target + hubs == 1 */ + unsigned long s_resets_plug; /* ipi-style resets from plug + state */ + unsigned long s_resets_timeout; /* ipi-style resets from + timeouts */ + unsigned long s_busy; /* status stayed busy past + s/w timer */ + unsigned long s_throttles; /* waits in throttle */ + unsigned long s_retry_messages; /* retry broadcasts */ + unsigned long s_bau_reenabled; /* for bau enable/disable */ + unsigned long s_bau_disabled; /* for bau enable/disable */ /* destination statistics */ - unsigned long d_alltlb; /* times all tlb's on this cpu were flushed */ - unsigned long d_onetlb; /* times just one tlb on this cpu was flushed */ - unsigned long d_multmsg; /* interrupts with multiple messages */ - unsigned long d_nomsg; /* interrupts with no message */ - unsigned long d_time; /* time spent on destination side */ - unsigned long d_requestee; /* number of messages processed */ - unsigned long d_retries; /* number of retry messages processed */ - unsigned long d_canceled; /* number of messages canceled by retries */ - unsigned long d_nocanceled; /* retries that found nothing to cancel */ - unsigned long d_resets; /* number of ipi-style requests processed */ - unsigned long d_rcanceled; /* number of messages canceled by resets */ + unsigned long d_alltlb; /* times all tlb's on this + cpu were flushed */ + unsigned long d_onetlb; /* times just one tlb on this + cpu was flushed */ + unsigned long d_multmsg; /* interrupts with multiple + messages */ + unsigned long d_nomsg; /* interrupts with no message */ + unsigned long d_time; /* time spent on destination + side */ + unsigned long d_requestee; /* number of messages + processed */ + unsigned long d_retries; /* number of retry messages + processed */ + unsigned long d_canceled; /* number of messages canceled + by retries */ + unsigned long d_nocanceled; /* retries that found nothing + to cancel */ + unsigned long d_resets; /* number of ipi-style requests + processed */ + unsigned long d_rcanceled; /* number of messages canceled + by resets */ +}; + +struct tunables { + int *tunp; + int deflt; }; struct hub_and_pnode { - short uvhub; - short pnode; + short uvhub; + short pnode; }; + +struct socket_desc { + short num_cpus; + short cpu_number[MAX_CPUS_PER_SOCKET]; +}; + +struct uvhub_desc { + unsigned short socket_mask; + short num_cpus; + short uvhub; + short pnode; + struct socket_desc socket[2]; +}; + /* * one per-cpu; to locate the software tables */ struct bau_control { - struct bau_desc *descriptor_base; - struct bau_payload_queue_entry *va_queue_first; - struct bau_payload_queue_entry *va_queue_last; - struct bau_payload_queue_entry *bau_msg_head; - struct bau_control *uvhub_master; - struct bau_control *socket_master; - struct ptc_stats *statp; - unsigned long timeout_interval; - unsigned long set_bau_on_time; - atomic_t active_descriptor_count; - int plugged_tries; - int timeout_tries; - int ipi_attempts; - int conseccompletes; - int baudisabled; - int set_bau_off; - short cpu; - short osnode; - short uvhub_cpu; - short uvhub; - short cpus_in_socket; - short cpus_in_uvhub; - short partition_base_pnode; - unsigned short message_number; - unsigned short uvhub_quiesce; - short socket_acknowledge_count[DEST_Q_SIZE]; - cycles_t send_message; - spinlock_t uvhub_lock; - spinlock_t queue_lock; + struct bau_desc *descriptor_base; + struct bau_pq_entry *queue_first; + struct bau_pq_entry *queue_last; + struct bau_pq_entry *bau_msg_head; + struct bau_control *uvhub_master; + struct bau_control *socket_master; + struct ptc_stats *statp; + unsigned long timeout_interval; + unsigned long set_bau_on_time; + atomic_t active_descriptor_count; + int plugged_tries; + int timeout_tries; + int ipi_attempts; + int conseccompletes; + int baudisabled; + int set_bau_off; + short cpu; + short osnode; + short uvhub_cpu; + short uvhub; + short cpus_in_socket; + short cpus_in_uvhub; + short partition_base_pnode; + unsigned short message_number; + unsigned short uvhub_quiesce; + short socket_acknowledge_count[DEST_Q_SIZE]; + cycles_t send_message; + spinlock_t uvhub_lock; + spinlock_t queue_lock; /* tunables */ - int max_bau_concurrent; - int max_bau_concurrent_constant; - int plugged_delay; - int plugsb4reset; - int timeoutsb4reset; - int ipi_reset_limit; - int complete_threshold; - int congested_response_us; - int congested_reps; - int congested_period; - cycles_t period_time; - long period_requests; - struct hub_and_pnode *target_hub_and_pnode; + int max_concurr; + int max_concurr_const; + int plugged_delay; + int plugsb4reset; + int timeoutsb4reset; + int ipi_reset_limit; + int complete_threshold; + int cong_respo |