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mirror of https://github.com/xcat2/xNBA.git synced 2024-12-14 07:11:32 +00:00

Almost working with own-queue allocation.

This commit is contained in:
Michael Brown 2007-09-16 22:47:45 +01:00
parent 7e85f0d296
commit 4ddb6570f8
6 changed files with 166 additions and 11 deletions

View File

@ -35,11 +35,13 @@
#define ARBEL_HCR_2RST_QPEE 0x0021
/* Service types */
#define ARBEL_ST_UD 0x01
#define ARBEL_ST_UD 0x03
/* MTUs */
#define ARBEL_MTU_2048 0x04
#define ARBEL_INVALID_LKEY 0x00000100UL
/*
* Wrapper structures for hardware datatypes
*

View File

@ -112,6 +112,8 @@ static XHH_cmd_status_t cmd_invoke(command_fields_t * cmd_prms)
__u32 hcr[7], data;
__u8 status;
DBG ( "Executing command:\n" );
/* check if go bit is free */
ret = cmdif_is_free(&is_free);
if (ret) {
@ -129,6 +131,17 @@ static XHH_cmd_status_t cmd_invoke(command_fields_t * cmd_prms)
edit_hcr(cmd_prms, hcr);
__asm__ __volatile__("":::"memory");
DBG_HD ( &hcr[0], sizeof ( hcr ) );
if ( cmd_prms->in_trans == TRANS_MAILBOX ) {
size_t size = ( 4 * cmd_prms->in_param_size );
if ( size > 256 )
size = 256;
#if ! CREATE_OWN
DBG ( "Input mailbox:\n" );
DBG_HD ( &cmd_prms->in_param[0], size );
#endif
}
for (i = 0; i < 7; ++i) {
ret = gw_write_cr(HCR_BASE + i * 4, hcr[i]);
if (ret) {
@ -168,6 +181,17 @@ static XHH_cmd_status_t cmd_invoke(command_fields_t * cmd_prms)
return -1;
}
if ( cmd_prms->out_trans == TRANS_MAILBOX ) {
size_t size = ( 4 * cmd_prms->out_param_size );
if ( size > 256 )
size = 256;
#if ! CREATE_OWN
DBG ( "Output mailbox:\n" );
DBG_HD ( &cmd_prms->out_param[0], size );
#endif
}
DBG ( "Command executed successfully\n" );
return 0;
}

View File

@ -62,6 +62,8 @@ static int wait_logic_link_up(__u8 port)
return 0;
}
unsigned long ipoib_qkey;
static int ib_driver_init(struct pci_device *pci, udqp_t * ipoib_qph_p)
{
int rc;
@ -147,6 +149,9 @@ static int ib_driver_init(struct pci_device *pci, udqp_t * ipoib_qph_p)
qkey, mlid);
}
ipoib_qkey = qkey;
#if 0
rc = create_ipoib_qp(&ib_data.ipoib_qp,
&ib_data.ipoib_snd_cq,
&ib_data.ipoib_rcv_cq, qkey);
@ -166,6 +171,7 @@ static int ib_driver_init(struct pci_device *pci, udqp_t * ipoib_qph_p)
} else {
tprintf("add_qp_to_mcast_group() success");
}
#endif
/* create a broadcast group ud AV */
av = alloc_ud_av();
@ -178,6 +184,19 @@ static int ib_driver_init(struct pci_device *pci, udqp_t * ipoib_qph_p)
tprintf("modify_av_params() success");
ib_data.bcast_av = av;
#if ! CREATE_OWN
rc = create_ipoib_qp(&ib_data.ipoib_qp,
&ib_data.ipoib_snd_cq,
&ib_data.ipoib_rcv_cq, qkey);
if (rc) {
eprintf("");
return rc;
}
tprintf("create_ipoib_qp() success");
*ipoib_qph_p = ib_data.ipoib_qp;
#endif
do {
rc = poll_eq(&ib_eqe, &num_eqe);
if (rc) {

View File

@ -49,16 +49,16 @@
#define QPN_BASE 0x550000
enum {
MADS_QPN_SN,
IPOIB_QPN_SN,
MADS_QPN_SN = 4,
MAX_APP_QPS = 8
};
enum {
MADS_SND_CQN_SN = 4,
MADS_RCV_CQN_SN,
IPOIB_SND_CQN_SN,
IPOIB_RCV_CQN_SN,
MADS_SND_CQN_SN = 4,
MADS_RCV_CQN_SN,
MAX_APP_CQS = 8
};

View File

@ -336,6 +336,8 @@ static void prep_sw2hw_mpt_buf(void *buf, __u32 mkey)
// INS_FLD(virt_to_bus(dev_buffers_p), buf, arbelprm_mpt_st,
// start_address_l);
// INS_FLD(memreg_size, buf, arbelprm_mpt_st, reg_wnd_len_l);
INS_FLD(0, buf, arbelprm_mpt_st, start_address_l);
INS_FLD(0, buf, arbelprm_mpt_st, start_address_h);
INS_FLD(0xffffffffUL, buf, arbelprm_mpt_st, reg_wnd_len_l);
INS_FLD(0xffffffffUL, buf, arbelprm_mpt_st, reg_wnd_len_h);
}
@ -1179,6 +1181,8 @@ static int create_mads_qp(void **qp_pp, void **snd_cq_pp, void **rcv_cq_pp)
__u8 nds;
void *ptr;
DBG ( "*** Creating MADS queue pair ***\n" );
qp = &dev_ib_data.mads_qp;
/* set the pointer to the receive WQEs buffer */
@ -1289,6 +1293,8 @@ static int create_mads_qp(void **qp_pp, void **snd_cq_pp, void **rcv_cq_pp)
*rcv_cq_pp = &qp->rcv_cq;
}
DBG ( "*** Created MADS queue pair ***\n" );
return rc;
}
@ -1302,6 +1308,8 @@ static int create_ipoib_qp(void **qp_pp,
__u8 nds;
void *ptr;
DBG ( "*** Creating IPoIB queue pair ***\n" );
qp = &dev_ib_data.ipoib_qp;
/* set the pointer to the receive WQEs buffer */
@ -1407,6 +1415,8 @@ static int create_ipoib_qp(void **qp_pp,
*rcv_cq_pp = &qp->rcv_cq;
}
DBG ( "*** Created IPoIB queue pair ***\n" );
return rc;
}
@ -1427,6 +1437,8 @@ static int create_udqp(struct udqp_st *qp)
qp->snd_cq.ci_db_ctx_pointer =
dev_ib_data.uar_context_base + 8 * qp->snd_cq.ci_db_ctx_idx;
DBG ( "* Creating send CQ *\n" );
/* create send CQ */
init_cq_buf(qp->snd_cq.cq_buf, qp->snd_cq.num_cqes);
qp->snd_cq.cons_counter = 0;
@ -1443,6 +1455,8 @@ static int create_udqp(struct udqp_st *qp)
goto exit;
}
DBG ( "* Creating receive CQ *\n" );
/* create receive CQ */
init_cq_buf(qp->rcv_cq.cq_buf, qp->rcv_cq.num_cqes);
qp->rcv_cq.cons_counter = 0;
@ -1460,6 +1474,8 @@ static int create_udqp(struct udqp_st *qp)
goto undo_snd_cq;
}
DBG ( "* Creating QP *\n" );
prep_rst2init_qpee_buf(inprm,
qp->snd_cq.cqn,
qp->rcv_cq.cqn,

View File

@ -22,6 +22,8 @@ Skeleton NIC driver for Etherboot
/* to get the interface to the body of the program */
#include "nic.h"
#define CREATE_OWN 1
#include "mt25218_imp.c"
#include "arbel.h"
@ -35,17 +37,25 @@ static const struct ib_gid arbel_no_gid = {
#define MLX_RX_MAX_FILL NUM_IPOIB_RCV_WQES
struct mlx_nic {
#if ! CREATE_OWN
/** Queue pair handle */
udqp_t ipoib_qph;
/** Broadcast Address Vector */
ud_av_t bcast_av;
/** Send completion queue */
cq_t snd_cqh;
/** Receive completion queue */
cq_t rcv_cqh;
#endif
/** Broadcast Address Vector */
ud_av_t bcast_av;
/** RX fill level */
unsigned int rx_fill;
#if CREATE_OWN
struct ib_completion_queue *own_send_cq;
struct ib_completion_queue *own_recv_cq;
struct ib_queue_pair *own_qp;
#endif
};
@ -54,6 +64,8 @@ static struct io_buffer *static_ipoib_rx_ring[NUM_IPOIB_RCV_WQES];
static struct arbel static_arbel;
#if ! CREATE_OWN
static struct arbel_completion_queue static_arbel_ipoib_send_cq = {
.ci_doorbell_idx = IPOIB_SND_CQ_CI_DB_IDX,
};
@ -104,6 +116,8 @@ static struct ib_queue_pair static_ipoib_qp = {
.dev_priv = &static_arbel_ipoib_qp,
};
#endif
static struct ib_device static_ibdev = {
.dev_priv = &static_arbel,
@ -157,7 +171,13 @@ static int mlx_transmit_direct ( struct net_device *netdev,
};
memcpy ( &av.gid, ( ( void * ) bav ) + 16, 16 );
rc = arbel_post_send ( &static_ibdev, &static_ipoib_qp, &av, iobuf );
rc = arbel_post_send ( &static_ibdev,
#if CREATE_OWN
mlx->own_qp,
#else
&static_ipoib_qp,
#endif
&av, iobuf );
return rc;
}
@ -212,7 +232,11 @@ static void mlx_refill_rx ( struct net_device *netdev ) {
break;
DBG ( "Posting RX buffer %p:\n", iobuf );
if ( ( rc = arbel_post_recv ( &static_ibdev,
#if CREATE_OWN
mlx->own_qp,
#else
&static_ipoib_qp,
#endif
iobuf ) ) != 0 ) {
free_iob ( iobuf );
break;
@ -244,9 +268,19 @@ static void mlx_poll ( struct net_device *netdev ) {
}
/* Poll completion queues */
arbel_poll_cq ( &static_ibdev, &static_ipoib_send_cq,
arbel_poll_cq ( &static_ibdev,
#if CREATE_OWN
mlx->own_send_cq,
#else
&static_ipoib_send_cq,
#endif
temp_complete_send, temp_complete_recv );
arbel_poll_cq ( &static_ibdev, &static_ipoib_recv_cq,
arbel_poll_cq ( &static_ibdev,
#if CREATE_OWN
mlx->own_recv_cq,
#else
&static_ipoib_recv_cq,
#endif
temp_complete_send, temp_complete_recv );
mlx_refill_rx ( netdev );
@ -406,6 +440,15 @@ static int arbel_cmd ( struct arbel *arbel, unsigned long command,
opcode_modifier, op_mod,
go, 1 );
DBG_HD ( &hcr, sizeof ( hcr ) );
if ( in_len ) {
size_t dump_len = in_len;
if ( dump_len > 256 )
dump_len = 256;
DBG ( "Input:\n" );
DBG_HD ( in, dump_len );
}
/* Issue command */
for ( i = 0 ; i < ( sizeof ( hcr ) / sizeof ( hcr.u.dwords[0] ) ) ;
i++ ) {
@ -436,6 +479,14 @@ static int arbel_cmd ( struct arbel *arbel, unsigned long command,
hcr.u.dwords[4] = readl ( arbel->config + ARBEL_HCR_REG ( 4 ) );
memcpy ( out, out_buffer, out_len );
if ( out_len ) {
size_t dump_len = out_len;
if ( dump_len > 256 )
dump_len = 256;
DBG ( "Output:\n" );
DBG_HD ( out, dump_len );
}
return 0;
}
@ -698,7 +749,9 @@ static int arbel_create_recv_wq ( struct arbel_recv_work_queue *arbel_recv_wq,
struct arbelprm_recv_wqe *wqe;
struct arbelprm_recv_wqe *next_wqe;
unsigned int wqe_idx_mask;
size_t nds;
unsigned int i;
unsigned int j;
/* Allocate work queue */
arbel_recv_wq->wqe_size = ( num_wqes *
@ -711,11 +764,19 @@ static int arbel_create_recv_wq ( struct arbel_recv_work_queue *arbel_recv_wq,
/* Link work queue entries */
wqe_idx_mask = ( num_wqes - 1 );
nds = ( ( offsetof ( typeof ( *wqe ), data ) +
sizeof ( wqe->data[0] ) ) >> 4 );
for ( i = 0 ; i < num_wqes ; i++ ) {
wqe = &arbel_recv_wq->wqe[i].recv;
next_wqe = &arbel_recv_wq->wqe[( i + 1 ) & wqe_idx_mask].recv;
MLX_FILL_1 ( &wqe->next, 0, nda_31_6,
( virt_to_bus ( next_wqe ) >> 6 ) );
MLX_FILL_1 ( &wqe->next, 1, nds, ( sizeof ( *wqe ) / 16 ) );
for ( j = 0 ; ( ( ( void * ) &wqe->data[j] ) <
( ( void * ) ( wqe + 1 ) ) ) ; j++ ) {
MLX_FILL_1 ( &wqe->data[j], 1,
l_key, ARBEL_INVALID_LKEY );
}
}
return 0;
@ -787,10 +848,10 @@ static int arbel_create_qp ( struct ib_device *ibdev,
qpc_eec_data.msg_max, 11 /* 2^11 = 2048 */,
qpc_eec_data.log_rq_size, fls ( qp->recv.num_wqes - 1 ),
qpc_eec_data.log_rq_stride,
( fls ( sizeof ( arbel_qp->send.wqe[0] ) - 1 ) - 4 ),
( fls ( sizeof ( arbel_qp->recv.wqe[0] ) - 1 ) - 4 ),
qpc_eec_data.log_sq_size, fls ( qp->send.num_wqes - 1 ),
qpc_eec_data.log_sq_stride,
( fls ( sizeof ( arbel_qp->recv.wqe[0] ) - 1 ) - 4 ) );
( fls ( sizeof ( arbel_qp->send.wqe[0] ) - 1 ) - 4 ) );
MLX_FILL_1 ( &qpctx, 5,
qpc_eec_data.usr_page, arbel->limits.reserved_uars );
MLX_FILL_1 ( &qpctx, 10, qpc_eec_data.primary_address_path.port_number,
@ -976,6 +1037,7 @@ static int arbel_post_send ( struct ib_device *ibdev,
MLX_FILL_1 ( &wqe->ud, 8, destination_qp, av->dest_qp );
MLX_FILL_1 ( &wqe->ud, 9, q_key, av->qkey );
MLX_FILL_1 ( &wqe->data[0], 0, byte_count, iob_len ( iobuf ) );
MLX_FILL_1 ( &wqe->data[0], 1, l_key, arbel->reserved_lkey );
MLX_FILL_1 ( &wqe->data[0], 3,
local_address_l, virt_to_bus ( iobuf->data ) );
@ -1249,6 +1311,7 @@ static int arbel_probe ( struct pci_device *pci,
/* Initialise hardware */
if ( ( rc = ib_driver_init ( pci, &qph ) ) != 0 )
goto err_ipoib_init;
#if ! CREATE_OWN
mlx->ipoib_qph = qph;
mlx->bcast_av = ib_data.bcast_av;
mlx->snd_cqh = ib_data.ipoib_snd_cq;
@ -1256,6 +1319,7 @@ static int arbel_probe ( struct pci_device *pci,
mac = ( ( struct ib_mac * ) netdev->ll_addr );
mac->qpn = htonl ( ib_get_qpn ( mlx->ipoib_qph ) );
memcpy ( &mac->gid, ib_data.port_gid.raw, sizeof ( mac->gid ) );
#endif
/* Hack up IB structures */
arbel->config = memfree_pci_dev.cr_space;
@ -1265,6 +1329,7 @@ static int arbel_probe ( struct pci_device *pci,
arbel->db_rec = dev_ib_data.uar_context_base;
arbel->reserved_lkey = dev_ib_data.mkey;
arbel->eqn = dev_ib_data.eq.eqn;
#if ! CREATE_OWN
static_arbel_ipoib_qp.send.wqe =
( ( struct udqp_st * ) qph )->snd_wq;
static_arbel_ipoib_qp.recv.wqe =
@ -1279,6 +1344,7 @@ static int arbel_probe ( struct pci_device *pci,
&static_ipoib_send_cq.work_queues );
list_add ( &static_ipoib_qp.recv.list,
&static_ipoib_recv_cq.work_queues );
#endif
static_ibdev.op = &arbel_ib_operations;
/* Get device limits */
@ -1293,12 +1359,40 @@ static int arbel_probe ( struct pci_device *pci,
arbel->limits.reserved_qps =
( 1 << MLX_GET ( &dev_lim, log2_rsvd_qps ) );
#if CREATE_OWN
struct ib_device *ibdev = &static_ibdev;
mlx->own_send_cq = ib_create_cq ( ibdev, 32 );
if ( ! mlx->own_send_cq ) {
DBG ( "Could not create send CQ\n" );
return -EIO;
}
mlx->own_recv_cq = ib_create_cq ( ibdev, 32 );
if ( ! mlx->own_recv_cq ) {
DBG ( "Could not create send CQ\n" );
return -EIO;
}
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 );
if ( ! mlx->own_qp ) {
DBG ( "Could not create QP\n" );
return -EIO;
}
mlx->own_qp->owner_priv = netdev;
mac = ( ( struct ib_mac * ) netdev->ll_addr );
mac->qpn = htonl ( mlx->own_qp->qpn );
memcpy ( &mac->gid, ib_data.port_gid.raw, sizeof ( mac->gid ) );
#endif
#if 0
DBG ( "MADS SND CQN = %#lx\n", dev_ib_data.mads_qp.snd_cq.cqn );
struct ib_completion_queue *test_cq;
test_cq = ib_create_cq ( &static_ibdev, 32 );
if ( test_cq ) {
DBG ( "Woot: create_cq() passed!\n" );
}
#endif
/* Register network device */
if ( ( rc = register_netdev ( netdev ) ) != 0 )