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Started with the ICM partitioning code.

This commit is contained in:
Michael Brown 2007-09-18 01:49:39 +01:00
parent c818d47e25
commit af88f60228
2 changed files with 116 additions and 4 deletions
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4
src/drivers/net/mlx_ipoib/arbel.h
View File

@ -38,6 +38,7 @@
/* HCA command register opcodes */
#define ARBEL_HCR_QUERY_DEV_LIM 0x0003
#define ARBEL_HCR_QUERY_FW 0x0004
#define ARBEL_HCR_INIT_HCA 0x0007
#define ARBEL_HCR_SW2HW_CQ 0x0016
#define ARBEL_HCR_HW2SW_CQ 0x0017
#define ARBEL_HCR_RST2INIT_QPEE 0x0019
@ -82,6 +83,7 @@ struct MLX_DECLARE_STRUCT ( arbelprm_completion_with_error );
struct MLX_DECLARE_STRUCT ( arbelprm_cq_arm_db_record );
struct MLX_DECLARE_STRUCT ( arbelprm_cq_ci_db_record );
struct MLX_DECLARE_STRUCT ( arbelprm_hca_command_register );
struct MLX_DECLARE_STRUCT ( arbelprm_init_hca );
struct MLX_DECLARE_STRUCT ( arbelprm_mad_ifc );
struct MLX_DECLARE_STRUCT ( arbelprm_mgm_entry );
struct MLX_DECLARE_STRUCT ( arbelprm_mgm_hash );
@ -160,8 +162,6 @@ struct arbel_dev_limits {
unsigned int reserved_qps;
/** Number of reserved EEs */
unsigned int reserved_ees;
/** Number of reserved MPTs */
unsigned int reserved_mpts;
/** Number of reserved MTTs */
unsigned int reserved_mtts;
/** Number of reserved CQs */

116
src/drivers/net/mlx_ipoib/mt25218.c
View File

@ -226,6 +226,15 @@ arbel_cmd_query_fw ( struct arbel *arbel, struct arbelprm_query_fw *fw ) {
0, NULL, 0, fw );
}
static inline int
arbel_cmd_init_hca ( struct arbel *arbel,
const struct arbelprm_init_hca *init_hca ) {
return arbel_cmd ( arbel,
ARBEL_HCR_IN_CMD ( ARBEL_HCR_INIT_HCA,
1, sizeof ( *init_hca ) ),
0, init_hca, 0, NULL );
}
static inline int
arbel_cmd_sw2hw_cq ( struct arbel *arbel, unsigned long cqn,
const struct arbelprm_completion_queue_context *cqctx ) {
@ -1499,13 +1508,116 @@ static int arbel_get_limits ( struct arbel *arbel ) {
}
/**
* Allocate ICM areas
* Get ICM usage
*
* @v log_num_entries Log2 of the number of entries
* @v entry_size Entry size
* @ret usage Usage size in ICM
*/
static size_t icm_usage ( unsigned int log_num_entries, size_t entry_size ) {
size_t usage;
usage = ( ( 1 << log_num_entries ) * entry_size );
usage = ( ( usage + 4095 ) & ~4095 );
return usage;
}
/**
* Partition ICM
*
* @v arbel Arbel device
* @ret rc Return status code
*/
static int arbel_alloc_icm ( struct arbel *arbel ) {
struct arbelprm_init_hca init_hca;
size_t icm_offset = 0;
unsigned int log_num_qps, log_num_srqs, log_num_ees, log_num_cqs;
unsigned int log_num_mtts, log_num_mpts, log_num_rdbs, log_num_eqs;
memset ( &init_hca, 0, sizeof ( init_hca ) );
icm_offset = ( ( arbel->limits.reserved_uars + 1 ) << 12 );
/* Queue pair contexts */
log_num_qps = fls ( arbel->limits.reserved_qps + ARBEL_MAX_QPS - 1 );
MLX_FILL_2 ( &init_hca, 13,
qpc_eec_cqc_eqc_rdb_parameters.qpc_base_addr_l,
( icm_offset >> 7 ),
qpc_eec_cqc_eqc_rdb_parameters.log_num_of_qp,
log_num_qps );
icm_offset += icm_usage ( log_num_qps, arbel->limits.qpc_entry_size );
/* Extended queue pair contexts */
MLX_FILL_1 ( &init_hca, 25,
qpc_eec_cqc_eqc_rdb_parameters.eqpc_base_addr_l,
icm_offset );
icm_offset += icm_usage ( log_num_qps, arbel->limits.eqpc_entry_size );
/* Shared receive queue contexts */
log_num_srqs = fls ( arbel->limits.reserved_srqs - 1 );
MLX_FILL_2 ( &init_hca, 19,
qpc_eec_cqc_eqc_rdb_parameters.srqc_base_addr_l,
( icm_offset >> 5 ),
qpc_eec_cqc_eqc_rdb_parameters.log_num_of_srq,
log_num_srqs );
icm_offset += icm_usage ( log_num_srqs, arbel->limits.srqc_entry_size );
/* End-to-end contexts */
log_num_ees = fls ( arbel->limits.reserved_ees - 1 );
MLX_FILL_2 ( &init_hca, 17,
qpc_eec_cqc_eqc_rdb_parameters.eec_base_addr_l,
( icm_offset >> 7 ),
qpc_eec_cqc_eqc_rdb_parameters.log_num_of_ee,
log_num_ees );
icm_offset += icm_usage ( log_num_ees, arbel->limits.eec_entry_size );
/* Extended end-to-end contexts */
MLX_FILL_1 ( &init_hca, 29,
qpc_eec_cqc_eqc_rdb_parameters.eeec_base_addr_l,
icm_offset );
icm_offset += icm_usage ( log_num_ees, arbel->limits.eeec_entry_size );
/* Completion queue contexts */
log_num_cqs = fls ( arbel->limits.reserved_cqs + ARBEL_MAX_CQS - 1 );
MLX_FILL_2 ( &init_hca, 21,
qpc_eec_cqc_eqc_rdb_parameters.cqc_base_addr_l,
( icm_offset >> 6 ),
qpc_eec_cqc_eqc_rdb_parameters.log_num_of_cq,
log_num_cqs );
icm_offset += icm_usage ( log_num_cqs, arbel->limits.cqc_entry_size );
/* Memory translation table */
log_num_mtts = fls ( arbel->limits.reserved_mtts - 1 );
MLX_FILL_1 ( &init_hca, 65,
tpt_parameters.mtt_base_addr_l, icm_offset );
icm_offset += icm_usage ( log_num_mtts, arbel->limits.mtt_entry_size );
/* Memory protection table */
log_num_mpts = fls ( arbel->limits.reserved_mrws - 1 );
MLX_FILL_1 ( &init_hca, 61,
tpt_parameters.mpt_base_adr_l, icm_offset );
MLX_FILL_1 ( &init_hca, 62,
tpt_parameters.log_mpt_sz, log_num_mpts );
icm_offset += icm_usage ( log_num_mpts, arbel->limits.mpt_entry_size );
/* RDMA something or other */
log_num_rdbs = fls ( arbel->limits.reserved_rdbs - 1 );
MLX_FILL_1 ( &init_hca, 37,
qpc_eec_cqc_eqc_rdb_parameters.rdb_base_addr_l,
icm_offset );
icm_offset += icm_usage ( log_num_rdbs, 32 );
/* Event queue contexts */
log_num_eqs = 6;
MLX_FILL_2 ( &init_hca, 33,
qpc_eec_cqc_eqc_rdb_parameters.eqc_base_addr_l,
( icm_offset >> 6 ),
qpc_eec_cqc_eqc_rdb_parameters.log_num_eq,
log_num_eqs );
icm_offset += ( ( 1 << log_num_eqs ) * arbel->limits.eqc_entry_size );
/* Multicast table */
return 0;
}