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authorMichael Brown2007-09-18 02:49:39 +0200
committerMichael Brown2007-09-18 02:49:39 +0200
commitaf88f602281aa532533f3d00baa8168d4f03cf35 (patch)
tree2a0c09e5fc5b9270e86435f8e8f64820b642c049 /src/drivers/net
parentRestructured bits of initialisation (not testable at present) (diff)
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Started with the ICM partitioning code.
Diffstat (limited to 'src/drivers/net')
-rw-r--r--src/drivers/net/mlx_ipoib/arbel.h4
-rw-r--r--src/drivers/net/mlx_ipoib/mt25218.c116
2 files changed, 116 insertions, 4 deletions
diff --git a/src/drivers/net/mlx_ipoib/arbel.h b/src/drivers/net/mlx_ipoib/arbel.h
index fb4264c0..adcab36c 100644
--- a/src/drivers/net/mlx_ipoib/arbel.h
+++ b/src/drivers/net/mlx_ipoib/arbel.h
@@ -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 */
diff --git a/src/drivers/net/mlx_ipoib/mt25218.c b/src/drivers/net/mlx_ipoib/mt25218.c
index b9d2835d..da77a03d 100644
--- a/src/drivers/net/mlx_ipoib/mt25218.c
+++ b/src/drivers/net/mlx_ipoib/mt25218.c
@@ -227,6 +227,15 @@ arbel_cmd_query_fw ( struct arbel *arbel, struct arbelprm_query_fw *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 ) {
return arbel_cmd ( arbel,
@@ -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;
}