*
* 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
#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"
#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
* 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
/*
* 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)
* '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)];
};
/*
* enough bits for max. cpu's per uvhub)
*/
struct bau_local_cpumask {
- unsigned long bits;
+ unsigned long bits;
};
/*
* 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 */
};
* 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------
* 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;
};
/*
*/
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_response_us;
+ int cong_reps;
+ int cong_period;
+ cycles_t period_time;
+ long period_requests;
+ struct hub_and_pnode *thp;
};
-static inline int bau_uvhub_isset(int uvhub, struct bau_target_uvhubmask *dstp)
+static unsigned long read_mmr_uv2_status(void)
+{
+ return read_lmmr(UV2H_LB_BAU_SB_ACTIVATION_STATUS_2);
+}
+
+static void write_mmr_data_broadcast(int pnode, unsigned long mmr_image)
+{
+ write_gmmr(pnode, UVH_BAU_DATA_BROADCAST, mmr_image);
+}
+
+static void write_mmr_descriptor_base(int pnode, unsigned long mmr_image)
+{
+ write_gmmr(pnode, UVH_LB_BAU_SB_DESCRIPTOR_BASE, mmr_image);
+}
+
+static void write_mmr_activation(unsigned long index)
+{
+ write_lmmr(UVH_LB_BAU_SB_ACTIVATION_CONTROL, index);
+}
+
+static void write_gmmr_activation(int pnode, unsigned long mmr_image)
+{
+ write_gmmr(pnode, UVH_LB_BAU_SB_ACTIVATION_CONTROL, mmr_image);
+}
+
+static void write_mmr_payload_first(int pnode, unsigned long mmr_image)
+{
+ write_gmmr(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_FIRST, mmr_image);
+}
+
+static void write_mmr_payload_tail(int pnode, unsigned long mmr_image)
+{
+ write_gmmr(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_TAIL, mmr_image);
+}
+
+static void write_mmr_payload_last(int pnode, unsigned long mmr_image)
+{
+ write_gmmr(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_LAST, mmr_image);
+}
+
+static void write_mmr_misc_control(int pnode, unsigned long mmr_image)
+{
+ write_gmmr(pnode, UVH_LB_BAU_MISC_CONTROL, mmr_image);
+}
+
+static unsigned long read_mmr_misc_control(int pnode)
+{
+ return read_gmmr(pnode, UVH_LB_BAU_MISC_CONTROL);
+}
+
+static void write_mmr_sw_ack(unsigned long mr)
+{
+ uv_write_local_mmr(UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS, mr);
+}
+
+static unsigned long read_mmr_sw_ack(void)
+{
+ return read_lmmr(UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE);
+}
+
+static unsigned long read_gmmr_sw_ack(int pnode)
+{
+ return read_gmmr(pnode, UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE);
+}
+
+static void write_mmr_data_config(int pnode, unsigned long mr)
+{
+ uv_write_global_mmr64(pnode, UVH_BAU_DATA_CONFIG, mr);
+}
+
+static inline int bau_uvhub_isset(int uvhub, struct bau_targ_hubmask *dstp)
{
return constant_test_bit(uvhub, &dstp->bits[0]);
}
-static inline void bau_uvhub_set(int pnode, struct bau_target_uvhubmask *dstp)
+static inline void bau_uvhub_set(int pnode, struct bau_targ_hubmask *dstp)
{
__set_bit(pnode, &dstp->bits[0]);
}
-static inline void bau_uvhubs_clear(struct bau_target_uvhubmask *dstp,
+static inline void bau_uvhubs_clear(struct bau_targ_hubmask *dstp,
int nbits)
{
bitmap_zero(&dstp->bits[0], nbits);
}
-static inline int bau_uvhub_weight(struct bau_target_uvhubmask *dstp)
+static inline int bau_uvhub_weight(struct bau_targ_hubmask *dstp)
{
return bitmap_weight((unsigned long *)&dstp->bits[0],
UV_DISTRIBUTION_SIZE);
bitmap_zero(&dstp->bits, nbits);
}
-#define cpubit_isset(cpu, bau_local_cpumask) \
- test_bit((cpu), (bau_local_cpumask).bits)
-
extern void uv_bau_message_intr1(void);
extern void uv_bau_timeout_intr1(void);
short counter;
};
-/**
+/*
* atomic_read_short - read a short atomic variable
* @v: pointer of type atomic_short
*
return v->counter;
}
-/**
- * atomic_add_short_return - add and return a short int
+/*
+ * atom_asr - add and return a short int
* @i: short value to add
* @v: pointer of type atomic_short
*
* Atomically adds @i to @v and returns @i + @v
*/
-static inline int atomic_add_short_return(short i, struct atomic_short *v)
+static inline int atom_asr(short i, struct atomic_short *v)
{
short __i = i;
asm volatile(LOCK_PREFIX "xaddw %0, %1"
return i + __i;
}
+/*
+ * conditionally add 1 to *v, unless *v is >= u
+ * return 0 if we cannot add 1 to *v because it is >= u
+ * return 1 if we can add 1 to *v because it is < u
+ * the add is atomic
+ *
+ * This is close to atomic_add_unless(), but this allows the 'u' value
+ * to be lowered below the current 'v'. atomic_add_unless can only stop
+ * on equal.
+ */
+static inline int atomic_inc_unless_ge(spinlock_t *lock, atomic_t *v, int u)
+{
+ spin_lock(lock);
+ if (atomic_read(v) >= u) {
+ spin_unlock(lock);
+ return 0;
+ }
+ atomic_inc(v);
+ spin_unlock(lock);
+ return 1;
+}
+
#endif /* _ASM_X86_UV_UV_BAU_H */
git.openpandora.org / pandora-kernel.git / blobdiff