Commit dc163a41 authored by Ingo Molnar's avatar Ingo Molnar

SGI UV: TLB shootdown using broadcast assist unit

TLB shootdown for SGI UV.

v5: 6/12 corrections/improvements per Ingo's second review
Signed-off-by: default avatarCliff Wickman <cpw@sgi.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent b194b120
This diff is collapsed.
......@@ -54,25 +54,25 @@
/*
* 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 DESC_STATUS_IDLE 0
#define DESC_STATUS_ACTIVE 1
#define DESC_STATUS_DESTINATION_TIMEOUT 2
#define DESC_STATUS_SOURCE_TIMEOUT 3
/*
* source side threshholds at which message retries print a warning
*/
#define SOURCE_TIMEOUT_LIMIT 20
#define DESTINATION_TIMEOUT_LIMIT 20
#define SOURCE_TIMEOUT_LIMIT 20
#define DESTINATION_TIMEOUT_LIMIT 20
/*
* number of entries in the destination side payload queue
*/
#define DESTINATION_PAYLOAD_QUEUE_SIZE 17
#define DEST_Q_SIZE 17
/*
* number of destination side software ack resources
*/
#define DESTINATION_NUM_RESOURCES 8
#define DEST_NUM_RESOURCES 8
#define MAX_CPUS_PER_NODE 32
/*
* completion statuses for sending a TLB flush message
......@@ -197,10 +197,11 @@ struct bau_msg_header {
};
/*
* The activation descriptor:
* The format of the message to send, plus all accompanying control
* Should be 64 bytes
*/
struct bau_activation_descriptor {
struct bau_desc {
struct bau_target_nodemask distribution;
/*
* message template, consisting of header and payload:
......@@ -281,7 +282,7 @@ struct bau_sw_ack_status {
* one on every node and per-cpu; to locate the software tables
*/
struct bau_control {
struct bau_activation_descriptor *descriptor_base;
struct bau_desc *descriptor_base;
struct bau_payload_queue_entry *bau_msg_head;
struct bau_payload_queue_entry *va_queue_first;
struct bau_payload_queue_entry *va_queue_last;
......
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