sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2025-12-30 13:11:11 +03:00
Code Issues Packages Projects Releases Wiki Activity

[infiniband] Expose supported and enabled link speeds and widths

Browse Source
This commit is contained in:
Michael Brown
2009-07-11 01:14:43 +01:00
parent 773028d34e
commit 0095e18d4c
4 changed files with 61 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/drivers/infiniband/linda.c
View File

@@ -231,9 +231,9 @@ static void linda_link_state_changed ( struct ib_device *ibdev ) {
/* Notify Infiniband core of link state change */
ibdev->port_state = ( link_state + 1 );
ibdev->link_width =
ibdev->link_width_active =
( link_width ? IB_LINK_WIDTH_4X : IB_LINK_WIDTH_1X );
ibdev->link_speed =
ibdev->link_speed_active =
( link_speed ? IB_LINK_SPEED_DDR : IB_LINK_SPEED_SDR );
ib_link_state_changed ( ibdev );
}
@@ -2213,7 +2213,7 @@ static int linda_init_ib_serdes ( struct linda *linda ) {
linda_writeq ( linda, &ibcctrl, QIB_7220_IBCCtrl_offset );
/* Force SDR only to avoid needing all the DDR tuning,
* Mellanox compatibiltiy hacks etc. SDR is plenty for
* Mellanox compatibility hacks etc. SDR is plenty for
* boot-time operation.
*/
linda_readq ( linda, &ibcddrctrl, QIB_7220_IBCDDRCtrl_offset );
@@ -2311,6 +2311,14 @@ static int linda_probe ( struct pci_device *pci,
BIT_GET ( &revision, R_ChipRevMajor ),
BIT_GET ( &revision, R_ChipRevMinor ) );
/* Record link capabilities. Note that we force SDR only to
* avoid having to carry extra code for DDR tuning etc.
*/
ibdev->link_width_enabled = ibdev->link_width_supported =
( IB_LINK_WIDTH_4X | IB_LINK_WIDTH_1X );
ibdev->link_speed_enabled = ibdev->link_speed_supported =
IB_LINK_SPEED_SDR;
/* Initialise I2C subsystem */
if ( ( rc = linda_init_i2c ( linda ) ) != 0 )
goto err_init_i2c;