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authorChristian Iversen <ci@iversenit.dk>2021-01-28 21:29:57 +0100
committerMichael Brown <mcb30@ipxe.org>2021-02-01 11:44:54 +0000
commit8b07c88df8ec53a5bd554d940d3b2bd5f0caa27a (patch)
tree38b2a71efde42e185338845f8c15f8d016d1b9d3
parentd948ac6c6127c23c77d9e8fd6299ffa588f09f64 (diff)
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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>
-rw-r--r--src/drivers/infiniband/hermon.c29
-rw-r--r--src/drivers/infiniband/hermon.h10
2 files changed, 39 insertions, 0 deletions
diff --git a/src/drivers/infiniband/hermon.c b/src/drivers/infiniband/hermon.c
index 061ee81..68ce5d4 100644
--- a/src/drivers/infiniband/hermon.c
+++ b/src/drivers/infiniband/hermon.c
@@ -2121,6 +2121,32 @@ static void hermon_event_port_state_change ( struct hermon *hermon,
}
/**
+ * 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
*
* @v ibdev Infiniband device
@@ -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",
diff --git a/src/drivers/infiniband/hermon.h b/src/drivers/infiniband/hermon.h
index b4d95d2..fddd7fd 100644
--- a/src/drivers/infiniband/hermon.h
+++ b/src/drivers/infiniband/hermon.h
@@ -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 {