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[hermon] Add support for port management event 

Inspired by Flexboot, the function hermon_event_port_mgmnt_change() is
added to handle the HERMON_EV_PORT_MGMNT_CHANGE event type, which
updates the Infiniband subsystem.

Signed-off-by: Christian Iversen <ci@iversenit.dk>
Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/245/head
Christian Iversen 2021-01-28 21:29:57 +01:00 committed by Michael Brown
parent d948ac6c61
commit 8b07c88df8
2 changed files with 39 additions and 0 deletions
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29
src/drivers/infiniband/hermon.c
View File

@ -2120,6 +2120,32 @@ static void hermon_event_port_state_change ( struct hermon *hermon,
link_up );
}
/**
* Handle port management event
*
* @v hermon Hermon device
* @v eqe Port management change event queue entry
*/
static void hermon_event_port_mgmnt_change ( struct hermon *hermon,
union hermonprm_event_entry *eqe){
unsigned int port;
/* Get port */
port = ( MLX_GET ( &eqe->port_mgmnt_change, port ) - 1 );
DBGC ( hermon, "Hermon %p port %d management change\n",
hermon, ( port + 1 ) );
/* Sanity check */
if ( port >= hermon->cap.num_ports ) {
DBGC ( hermon, "Hermon %p port %d does not exist!\n",
hermon, ( port + 1 ) );
return;
}
/* Update MAD parameters */
ib_smc_update ( hermon->port[port].ibdev, hermon_mad );
}
/**
* Poll event queue
*
@ -2169,6 +2195,9 @@ static void hermon_poll_eq ( struct ib_device *ibdev ) {
case HERMON_EV_PORT_STATE_CHANGE:
hermon_event_port_state_change ( hermon, eqe );
break;
case HERMON_EV_PORT_MGMNT_CHANGE:
hermon_event_port_mgmnt_change ( hermon, eqe );
break;
default:
DBGC ( hermon, "Hermon %p EQN %#lx unrecognised event "
"type %#02x:%#02x\n",

10
src/drivers/infiniband/hermon.h
View File

@ -123,6 +123,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
#define HERMON_SET_PORT_GID_TABLE 0x0500
#define HERMON_EV_PORT_STATE_CHANGE 0x09
#define HERMON_EV_PORT_MGMNT_CHANGE 0x1d
#define HERMON_SCHED_QP0 0x3f
#define HERMON_SCHED_DEFAULT 0x83
@ -217,6 +218,13 @@ struct hermonprm_port_state_change_event_st {
struct hermonprm_port_state_change_st data;
} __attribute__ (( packed ));
struct hermonprm_port_mgmnt_change_event_st {
pseudo_bit_t reserved[0x00020];
/* -------------- */
pseudo_bit_t port[0x00008];
pseudo_bit_t reserved0[0x00018];
} __attribute__ (( packed ));
struct hermonprm_sense_port_st {
pseudo_bit_t reserved0[0x00020];
/* -------------- */
@ -460,6 +468,7 @@ struct MLX_DECLARE_STRUCT ( hermonprm_mod_stat_cfg_input_mod );
struct MLX_DECLARE_STRUCT ( hermonprm_mpt );
struct MLX_DECLARE_STRUCT ( hermonprm_mtt );
struct MLX_DECLARE_STRUCT ( hermonprm_port_state_change_event );
struct MLX_DECLARE_STRUCT ( hermonprm_port_mgmnt_change_event );
struct MLX_DECLARE_STRUCT ( hermonprm_qp_db_record );
struct MLX_DECLARE_STRUCT ( hermonprm_qp_ee_state_transitions );
struct MLX_DECLARE_STRUCT ( hermonprm_query_dev_cap );
@ -530,6 +539,7 @@ union hermonprm_completion_entry {
union hermonprm_event_entry {
struct hermonprm_event_queue_entry generic;
struct hermonprm_port_state_change_event port_state_change;
struct hermonprm_port_mgmnt_change_event port_mgmnt_change;
} __attribute__ (( packed ));
union hermonprm_doorbell_register {