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IPoIB code separated out to ipoib.c.

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This commit is contained in:
Michael Brown
2007-09-17 05:04:58 +01:00
parent 67836430e6
commit 4e78a53cf2
10 changed files with 786 additions and 46 deletions
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143
src/drivers/net/mlx_ipoib/mt25218.c
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@@ -16,6 +16,7 @@ Skeleton NIC driver for Etherboot
#include <gpxe/iobuf.h>
#include <gpxe/netdevice.h>
#include <gpxe/infiniband.h>
#include <gpxe/ipoib.h>
/* to get some global routines like printf */
#include "etherboot.h"
@@ -29,11 +30,18 @@ Skeleton NIC driver for Etherboot
#include "arbel.h"
struct ib_address_vector hack_ipoib_bcast_av;
static const struct ib_gid arbel_no_gid = {
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 }
};
#if 0
#define MLX_RX_MAX_FILL NUM_IPOIB_RCV_WQES
struct mlx_nic {
@@ -275,6 +283,7 @@ static void mlx_poll ( struct net_device *netdev ) {
&static_ipoib_send_cq,
#endif
temp_complete_send, temp_complete_recv );
#if 0
arbel_poll_cq ( &static_ibdev,
#if CREATE_OWN
mlx->own_recv_cq,
@@ -282,6 +291,7 @@ static void mlx_poll ( struct net_device *netdev ) {
&static_ipoib_recv_cq,
#endif
temp_complete_send, temp_complete_recv );
#endif
mlx_refill_rx ( netdev );
}
@@ -308,6 +318,8 @@ static struct net_device_operations mlx_operations = {
};
#endif /* 0 */
/***************************************************************************
@@ -1488,6 +1500,8 @@ static int arbel_get_port_gid ( struct arbel *arbel, struct ib_gid *gid ) {
#if 0
/**
* Probe PCI device
*
@@ -1576,14 +1590,17 @@ static int arbel_probe ( struct pci_device *pci,
DBG ( "Could not create send CQ\n" );
return -EIO;
}
#if 0
mlx->own_recv_cq = ib_create_cq ( ibdev, 32 );
if ( ! mlx->own_recv_cq ) {
DBG ( "Could not create send CQ\n" );
return -EIO;
}
#endif
mlx->own_qp = ib_create_qp ( ibdev, NUM_IPOIB_SND_WQES,
mlx->own_send_cq, NUM_IPOIB_RCV_WQES,
mlx->own_recv_cq, ipoib_qkey );
//mlx->own_recv_cq, ipoib_qkey );
mlx->own_send_cq, ipoib_qkey );
if ( ! mlx->own_qp ) {
DBG ( "Could not create QP\n" );
return -EIO;
@@ -1621,6 +1638,22 @@ static int arbel_probe ( struct pci_device *pci,
}
#endif
ibdev->dev = &pci->dev;
struct ud_av_st *bcast_av = mlx->bcast_av;
struct arbelprm_ud_address_vector *bav =
( struct arbelprm_ud_address_vector * ) &bcast_av->av;
struct ib_address_vector *av = &hack_ipoib_bcast_av;
av->dest_qp = bcast_av->dest_qp;
av->qkey = bcast_av->qkey;
av->dlid = MLX_GET ( bav, rlid );
av->rate = ( MLX_GET ( bav, max_stat_rate ) ? 1 : 4 );
av->sl = MLX_GET ( bav, sl );
av->gid_present = 1;
memcpy ( &av->gid, ( ( void * ) bav ) + 16, 16 );
/* Register network device */
if ( ( rc = register_netdev ( netdev ) ) != 0 )
goto err_register_netdev;
@@ -1650,6 +1683,114 @@ static void arbel_remove ( struct pci_device *pci ) {
netdev_put ( netdev );
}
#endif /* 0 */
/**
* Probe PCI device
*
* @v pci PCI device
* @v id PCI ID
* @ret rc Return status code
*/
static int arbel_probe ( struct pci_device *pci,
const struct pci_device_id *id __unused ) {
struct ib_device *ibdev;
struct arbelprm_query_dev_lim dev_lim;
struct arbel *arbel;
udqp_t qph;
int rc;
/* Allocate Infiniband device */
ibdev = alloc_ibdev ( sizeof ( *arbel ) );
if ( ! ibdev )
return -ENOMEM;
ibdev->op = &arbel_ib_operations;
pci_set_drvdata ( pci, ibdev );
ibdev->dev = &pci->dev;
arbel = ibdev->dev_priv;
memset ( arbel, 0, sizeof ( *arbel ) );
/* Fix up PCI device */
adjust_pci_device ( pci );
/* Initialise hardware */
if ( ( rc = ib_driver_init ( pci, &qph ) ) != 0 )
goto err_ib_driver_init;
/* Hack up IB structures */
arbel->config = memfree_pci_dev.cr_space;
arbel->mailbox_in = dev_buffers_p->inprm_buf;
arbel->mailbox_out = dev_buffers_p->outprm_buf;
arbel->uar = memfree_pci_dev.uar;
arbel->db_rec = dev_ib_data.uar_context_base;
arbel->reserved_lkey = dev_ib_data.mkey;
arbel->eqn = dev_ib_data.eq.eqn;
/* Get device limits */
if ( ( rc = arbel_cmd_query_dev_lim ( arbel, &dev_lim ) ) != 0 ) {
DBGC ( arbel, "Arbel %p could not get device limits: %s\n",
arbel, strerror ( rc ) );
goto err_query_dev_lim;
}
arbel->limits.reserved_uars = MLX_GET ( &dev_lim, num_rsvd_uars );
arbel->limits.reserved_cqs =
( 1 << MLX_GET ( &dev_lim, log2_rsvd_cqs ) );
arbel->limits.reserved_qps =
( 1 << MLX_GET ( &dev_lim, log2_rsvd_qps ) );
/* Get port GID */
if ( ( rc = arbel_get_port_gid ( arbel, &ibdev->port_gid ) ) != 0 ) {
DBGC ( arbel, "Arbel %p could not determine port GID: %s\n",
arbel, strerror ( rc ) );
goto err_get_port_gid;
}
struct ud_av_st *bcast_av = ib_data.bcast_av;
struct arbelprm_ud_address_vector *bav =
( struct arbelprm_ud_address_vector * ) &bcast_av->av;
struct ib_address_vector *av = &hack_ipoib_bcast_av;
av->dest_qp = bcast_av->dest_qp;
av->qkey = bcast_av->qkey;
av->dlid = MLX_GET ( bav, rlid );
av->rate = ( MLX_GET ( bav, max_stat_rate ) ? 1 : 4 );
av->sl = MLX_GET ( bav, sl );
av->gid_present = 1;
memcpy ( &av->gid, ( ( void * ) bav ) + 16, 16 );
memcpy ( &ibdev->broadcast_gid, &ib_data.bcast_gid, 16 );
/* Add IPoIB device */
if ( ( rc = ipoib_probe ( ibdev ) ) != 0 ) {
DBGC ( arbel, "Arbel %p could not add IPoIB device: %s\n",
arbel, strerror ( rc ) );
goto err_ipoib_probe;
}
return 0;
err_ipoib_probe:
err_get_port_gid:
err_query_dev_lim:
ib_driver_close ( 0 );
err_ib_driver_init:
free_ibdev ( ibdev );
return rc;
}
/**
* Remove PCI device
*
* @v pci PCI device
*/
static void arbel_remove ( struct pci_device *pci ) {
struct ib_device *ibdev = pci_get_drvdata ( pci );
ipoib_remove ( ibdev );
ib_driver_close ( 0 );
}
static struct pci_device_id arbel_nics[] = {
PCI_ROM ( 0x15b3, 0x6282, "MT25218", "MT25218 HCA driver" ),
PCI_ROM ( 0x15b3, 0x6274, "MT25204", "MT25204 HCA driver" ),