// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2015 - 2021 Intel Corporation */
#include <linux/etherdevice.h>
#include "osdep.h"
#include "hmc.h"
#include "defs.h"
#include "type.h"
#include "ws.h"
#include "protos.h"
/**
* irdma_get_qp_from_list - get next qp from a list
* @head: Listhead of qp's
* @qp: current qp
*/
struct irdma_sc_qp *irdma_get_qp_from_list(struct list_head *head,
struct irdma_sc_qp *qp)
{
struct list_head *lastentry;
struct list_head *entry = NULL;
if (list_empty(head))
return NULL;
if (!qp) {
entry = head->next;
} else {
lastentry = &qp->list;
entry = lastentry->next;
if (entry == head)
return NULL;
}
return container_of(entry, struct irdma_sc_qp, list);
}
/**
* irdma_sc_suspend_resume_qps - suspend/resume all qp's on VSI
* @vsi: the VSI struct pointer
* @op: Set to IRDMA_OP_RESUME or IRDMA_OP_SUSPEND
*/
void irdma_sc_suspend_resume_qps(struct irdma_sc_vsi *vsi, u8 op)
{
struct irdma_sc_qp *qp = NULL;
u8 i;
for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
mutex_lock(&vsi->qos[i].qos_mutex);
qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp);
while (qp) {
if (op == IRDMA_OP_RESUME) {
if (!qp->dev->ws_add(vsi, i)) {
qp->qs_handle =
vsi->qos[qp->user_pri].qs_handle;
irdma_cqp_qp_suspend_resume(qp, op);
} else {
irdma_cqp_qp_suspend_resume(qp, op);
irdma_modify_qp_to_err(qp);
}
} else if (op == IRDMA_OP_SUSPEND) {
/* issue cqp suspend command */
if (!irdma_cqp_qp_suspend_resume(qp, op))
atomic_inc(&vsi->qp_suspend_reqs);
}
qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp);
}
mutex_unlock(&vsi->qos[i].qos_mutex);
}
}
static void irdma_set_qos_info(struct irdma_sc_vsi *vsi,
struct irdma_l2params *l2p)
{
u8 i;
vsi->qos_rel_bw = l2p->vsi_rel_bw;
vsi->qos_prio_type = l2p->vsi_prio_type;
vsi->dscp_mode = l2p->dscp_mode;
if (l2p->dscp_mode) {
memcpy(vsi->dscp_map, l2p->dscp_map, sizeof(vsi->dscp_map));
for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++)
l2p->up2tc[i] = i;
}
for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
vsi->qos[i].qs_handle = l2p->qs_handle_list[i];
vsi->qos[i].traffic_class = l2p->up2tc[i];
vsi->qos[i].rel_bw =
l2p->tc_info[vsi->qos[i].traffic_class].rel_bw;
vsi->qos[i].prio_type =
l2p->tc_info[vsi->qos[i].traffic_class].prio_type;
vsi->qos[i].valid = false;
}
}
/**
* irdma_change_l2params - given the new l2 parameters, change all qp
* @vsi: RDMA VSI pointer
* @l2params: New parameters from l2
*/
void irdma_change_l2params(struct irdma_sc_vsi *vsi,
struct irdma_l2params *l2params)
{
if (l2params->mtu_changed) {
vsi->mtu = l2params->mtu;
if (vsi->ieq)
irdma_reinitialize_ieq(vsi);
}
if (!l2params->tc_changed)
return;
vsi->tc_change_pending = false;
irdma_set_qos_info(vsi, l2params);
irdma_sc_suspend_resume_qps(vsi, IRDMA_OP_RESUME);
}
/**
* irdma_qp_rem_qos - remove qp from qos lists during destroy qp
* @qp: qp to be removed from qos
*/
void irdma_qp_rem_qos(struct irdma_sc_qp *qp)
{
struct irdma_sc_vsi *vsi = qp->vsi;
ibdev_dbg(to_ibdev(qp->dev),
"DCB: DCB: Remove qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n",
qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle,
qp->on_qoslist);
mutex_lock(&vsi->qos[qp->user_pri].qos_mutex);
if (qp->on_qoslist) {
qp->on_qoslist = false;
list_del(&qp->list);
}
mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex);
}
/**
* irdma_qp_add_qos - called during setctx for qp to be added to qos
* @qp: qp to be added to qos
*/
void irdma_qp_add_qos(struct irdma_sc_qp *qp)
{
struct irdma_sc_vsi *vsi = qp->vsi;
ibdev_dbg(to_ibdev(qp->dev),
"DCB: DCB: Add qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n",
qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle,
qp->on_qoslist);
mutex_lock(&vsi->qos[qp->user_pri].qos_mutex);
if (!qp->on_qoslist) {
list_add(&qp->list, &vsi->qos[qp->user_pri].qplist);
qp->on_qoslist = true;
qp->qs_handle = vsi->qos[qp->user_pri].qs_handle;
}
mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex);
}
/**
* irdma_sc_pd_init - initialize sc pd struct
* @dev: sc device struct
* @pd: sc pd ptr
* @pd_id: pd_id for allocated pd
* @abi_ver: User/Kernel ABI version
*/
void irdma_sc_pd_init(struct irdma_sc_dev *dev, struct irdma_sc_pd *pd, u32 pd_id,
int abi_ver)
{
pd->pd_id = pd_id;
pd->abi_ver = abi_ver;
pd->dev = dev;
}
/**
* irdma_sc_add_arp_cache_entry - cqp wqe add arp cache entry
* @cqp: struct for cqp hw
* @info: arp entry information
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_add_arp_cache_entry(struct irdma_sc_cqp *cqp,
struct irdma_add_arp_cache_entry_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
u64 hdr;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 8, info->reach_max);
set_64bit_val(wqe, 16, ether_addr_to_u64(info->mac_addr));
hdr = info->arp_index |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) |
FIELD_PREP(IRDMA_CQPSQ_MAT_PERMANENT, (info->permanent ? 1 : 0)) |
FIELD_PREP(IRDMA_CQPSQ_MAT_ENTRYVALID, 1) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: ARP_CACHE_ENTRY WQE", DUMP_PREFIX_OFFSET,
16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_del_arp_cache_entry - dele arp cache entry
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @arp_index: arp index to delete arp entry
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_del_arp_cache_entry(struct irdma_sc_cqp *cqp, u64 scratch,
u16 arp_index, bool post_sq)
{
__le64 *wqe;
u64 hdr;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
hdr = arp_index |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: ARP_CACHE_DEL_ENTRY WQE",
DUMP_PREFIX_OFFSET, 16, 8, wqe,
IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_manage_apbvt_entry - for adding and deleting apbvt entries
* @cqp: struct for cqp hw
* @info: info for apbvt entry to add or delete
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_manage_apbvt_entry(struct irdma_sc_cqp *cqp,
struct irdma_apbvt_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
u64 hdr;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, info->port);
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_APBVT) |
FIELD_PREP(IRDMA_CQPSQ_MAPT_ADDPORT, info->add) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: MANAGE_APBVT WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_manage_qhash_table_entry - manage quad hash entries
* @cqp: struct for cqp hw
* @info: info for quad hash to manage
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*
* This is called before connection establishment is started.
* For passive connections, when listener is created, it will
* call with entry type of IRDMA_QHASH_TYPE_TCP_SYN with local
* ip address and tcp port. When SYN is received (passive
* connections) or sent (active connections), this routine is
* called with entry type of IRDMA_QHASH_TYPE_TCP_ESTABLISHED
* and quad is passed in info.
*
* When iwarp connection is done and its state moves to RTS, the
* quad hash entry in the hardware will point to iwarp's qp
* number and requires no calls from the driver.
*/
static int
irdma_sc_manage_qhash_table_entry(struct irdma_sc_cqp *cqp,
struct irdma_qhash_table_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
u64 qw1 = 0;
u64 qw2 = 0;
u64 temp;
struct irdma_sc_vsi *vsi = info->vsi;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 0, ether_addr_to_u64(info->mac_addr));
qw1 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QPN, info->qp_num) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_DEST_PORT, info->dest_port);
if (info->ipv4_valid) {
set_64bit_val(wqe, 48,
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[0]));
} else {
set_64bit_val(wqe, 56,
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->dest_ip[0]) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->dest_ip[1]));
set_64bit_val(wqe, 48,
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->dest_ip[2]) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[3]));
}
qw2 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QS_HANDLE,
vsi->qos[info->user_pri].qs_handle);
if (info->vlan_valid)
qw2 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANID, info->vlan_id);
set_64bit_val(wqe, 16, qw2);
if (info->entry_type == IRDMA_QHASH_TYPE_TCP_ESTABLISHED) {
qw1 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_SRC_PORT, info->src_port);
if (!info->ipv4_valid) {
set_64bit_val(wqe, 40,
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->src_ip[0]) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->src_ip[1]));
set_64bit_val(wqe, 32,
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->src_ip[2]) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[3]));
} else {
set_64bit_val(wqe, 32,
FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[0]));
}
}
set_64bit_val(wqe, 8, qw1);
temp = FIELD_PREP(IRDMA_CQPSQ_QHASH_WQEVALID, cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_OPCODE,
IRDMA_CQP_OP_MANAGE_QUAD_HASH_TABLE_ENTRY) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_MANAGE, info->manage) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_IPV4VALID, info->ipv4_valid) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANVALID, info->vlan_valid) |
FIELD_PREP(IRDMA_CQPSQ_QHASH_ENTRYTYPE, info->entry_type);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, temp);
print_hex_dump_debug("WQE: MANAGE_QHASH WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_qp_init - initialize qp
* @qp: sc qp
* @info: initialization qp info
*/
int irdma_sc_qp_init(struct irdma_sc_qp *qp, struct irdma_qp_init_info *info)
{
int ret_code;
u32 pble_obj_cnt;
u16 wqe_size;
if (info->qp_uk_init_info.max_sq_frag_cnt >
info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags ||
info->qp_uk_init_info.max_rq_frag_cnt >
info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags)
return -EINVAL;
qp->dev = info->pd->dev;
qp->vsi = info->vsi;
qp->ieq_qp = info->vsi->exception_lan_q;
qp->sq_pa = info->sq_pa;
qp->rq_pa = info->rq_pa;
qp->hw_host_ctx_pa = info->host_ctx_pa;
qp->q2_pa = info->q2_pa;
qp->shadow_area_pa = info->shadow_area_pa;
qp->q2_buf = info->q2;
qp->pd = info->pd;
qp->hw_host_ctx = info->host_ctx;
info->qp_uk_init_info.wqe_alloc_db = qp->pd->dev->wqe_alloc_db;
ret_code = irdma_uk_qp_init(&qp->qp_uk, &info->qp_uk_init_info);
if (ret_code)
return ret_code;
qp->virtual_map = info->virtual_map;
pble_obj_cnt = info->pd->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
if ((info->virtual_map && info->sq_pa >= pble_obj_cnt) ||
(info->virtual_map && info->rq_pa >= pble_obj_cnt))
return -EINVAL;
qp->llp_stream_handle = (void *)(-1);
qp->hw_sq_size = irdma_get_encoded_wqe_size(qp->qp_uk.sq_ring.size,
IRDMA_QUEUE_TYPE_SQ_RQ);
ibdev_dbg(to_ibdev(qp->dev),
"WQE: hw_sq_size[%04d] sq_ring.size[%04d]\n",
qp->hw_sq_size, qp->qp_uk.sq_ring.size);
if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1 && qp->pd->abi_ver > 4)
wqe_size = IRDMA_WQE_SIZE_128;
else
ret_code = irdma_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt,
&wqe_size);
if (ret_code)
return ret_code;
qp->hw_rq_size = irdma_get_encoded_wqe_size(qp->qp_uk.rq_size *
(wqe_size / IRDMA_QP_WQE_MIN_SIZE), IRDMA_QUEUE_TYPE_SQ_RQ);
ibdev_dbg(to_ibdev(qp->dev),
"WQE: hw_rq_size[%04d] qp_uk.rq_size[%04d] wqe_size[%04d]\n",
qp->hw_rq_size, qp->qp_uk.rq_size, wqe_size);
qp->sq_tph_val = info->sq_tph_val;
qp->rq_tph_val = info->rq_tph_val;
qp->sq_tph_en = info->sq_tph_en;
qp->rq_tph_en = info->rq_tph_en;
qp->rcv_tph_en = info->rcv_tph_en;
qp->xmit_tph_en = info->xmit_tph_en;
qp->qp_uk.first_sq_wq = info->qp_uk_init_info.first_sq_wq;
qp->qs_handle = qp->vsi->qos[qp->user_pri].qs_handle;
return 0;
}
/**
* irdma_sc_qp_create - create qp
* @qp: sc qp
* @info: qp create info
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_qp_create(struct irdma_sc_qp *qp, struct irdma_create_qp_info *info,
u64 scratch, bool post_sq)
{
struct irdma_sc_cqp *cqp;
__le64 *wqe;
u64 hdr;
cqp = qp->dev->cqp;
if (qp->qp_uk.qp_id < cqp->dev->hw_attrs.min_hw_qp_id ||
qp->qp_uk.qp_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt)
return -EINVAL;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
set_64bit_val(wqe, 40, qp->shadow_area_pa);
hdr = qp->qp_uk.qp_id |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_QP) |
FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, (info->ord_valid ? 1 : 0)) |
FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) |
FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID,
info->arp_cache_idx_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: QP_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_qp_modify - modify qp cqp wqe
* @qp: sc qp
* @info: modify qp info
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_qp_modify(struct irdma_sc_qp *qp, struct irdma_modify_qp_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
struct irdma_sc_cqp *cqp;
u64 hdr;
u8 term_actions = 0;
u8 term_len = 0;
cqp = qp->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
if (info->next_iwarp_state == IRDMA_QP_STATE_TERMINATE) {
if (info->dont_send_fin)
term_actions += IRDMAQP_TERM_SEND_TERM_ONLY;
if (info->dont_send_term)
term_actions += IRDMAQP_TERM_SEND_FIN_ONLY;
if (term_actions == IRDMAQP_TERM_SEND_TERM_AND_FIN ||
term_actions == IRDMAQP_TERM_SEND_TERM_ONLY)
term_len = info->termlen;
}
set_64bit_val(wqe, 8,
FIELD_PREP(IRDMA_CQPSQ_QP_NEWMSS, info->new_mss) |
FIELD_PREP(IRDMA_CQPSQ_QP_TERMLEN, term_len));
set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
set_64bit_val(wqe, 40, qp->shadow_area_pa);
hdr = qp->qp_uk.qp_id |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_QP) |
FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, info->ord_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_CACHEDVARVALID,
info->cached_var_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) |
FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
FIELD_PREP(IRDMA_CQPSQ_QP_MSSCHANGE, info->mss_change) |
FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY,
info->remove_hash_idx) |
FIELD_PREP(IRDMA_CQPSQ_QP_TERMACT, term_actions) |
FIELD_PREP(IRDMA_CQPSQ_QP_RESETCON, info->reset_tcp_conn) |
FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID,
info->arp_cache_idx_valid) |
FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: QP_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_qp_destroy - cqp destroy qp
* @qp: sc qp
* @scratch: u64 saved to be used during cqp completion
* @remove_hash_idx: flag if to remove hash idx
* @ignore_mw_bnd: memory window bind flag
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_qp_destroy(struct irdma_sc_qp *qp, u64 scratch,
bool remove_hash_idx, bool ignore_mw_bnd, bool post_sq)
{
__le64 *wqe;
struct irdma_sc_cqp *cqp;
u64 hdr;
cqp = qp->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
set_64bit_val(wqe, 40, qp->shadow_area_pa);
hdr = qp->qp_uk.qp_id |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_QP) |
FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
FIELD_PREP(IRDMA_CQPSQ_QP_IGNOREMWBOUND, ignore_mw_bnd) |
FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY, remove_hash_idx) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: QP_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_get_encoded_ird_size -
* @ird_size: IRD size
* The ird from the connection is rounded to a supported HW setting and then encoded
* for ird_size field of qp_ctx. Consumers are expected to provide valid ird size based
* on hardware attributes. IRD size defaults to a value of 4 in case of invalid input
*/
static u8 irdma_sc_get_encoded_ird_size(u16 ird_size)
{
switch (ird_size ?
roundup_pow_of_two(2 * ird_size) : 4) {
case 256:
return IRDMA_IRD_HW_SIZE_256;
case 128:
return IRDMA_IRD_HW_SIZE_128;
case 64:
case 32:
return IRDMA_IRD_HW_SIZE_64;
case 16:
case 8:
return IRDMA_IRD_HW_SIZE_16;
case 4:
default:
break;
}
return IRDMA_IRD_HW_SIZE_4;
}
/**
* irdma_sc_qp_setctx_roce - set qp's context
* @qp: sc qp
* @qp_ctx: context ptr
* @info: ctx info
*/
void irdma_sc_qp_setctx_roce(struct irdma_sc_qp *qp, __le64 *qp_ctx,
struct irdma_qp_host_ctx_info *info)
{
struct irdma_roce_offload_info *roce_info;
struct irdma_udp_offload_info *udp;
u8 push_mode_en;
u32 push_idx;
roce_info = info->roce_info;
udp = info->udp_info;
qp->user_pri = info->user_pri;
if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) {
push_mode_en = 0;
push_idx = 0;
} else {
push_mode_en = 1;
push_idx = qp->push_idx;
}
set_64bit_val(qp_ctx, 0,
FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) |
FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) |
FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) |
FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) |
FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) |
FIELD_PREP(IRDMAQPC_PPIDX, push_idx) |
FIELD_PREP(IRDMAQPC_PMENA, push_mode_en) |
FIELD_PREP(IRDMAQPC_PDIDXHI, roce_info->pd_id >> 16) |
FIELD_PREP(IRDMAQPC_DC_TCP_EN, roce_info->dctcp_en) |
FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID, roce_info->err_rq_idx_valid) |
FIELD_PREP(IRDMAQPC_ISQP1, roce_info->is_qp1) |
FIELD_PREP(IRDMAQPC_ROCE_TVER, roce_info->roce_tver) |
FIELD_PREP(IRDMAQPC_IPV4, udp->ipv4) |
FIELD_PREP(IRDMAQPC_INSERTVLANTAG, udp->insert_vlan_tag));
set_64bit_val(qp_ctx, 8, qp->sq_pa);
set_64bit_val(qp_ctx, 16, qp->rq_pa);
if ((roce_info->dcqcn_en || roce_info->dctcp_en) &&
!(udp->tos & 0x03))
udp->tos |= ECN_CODE_PT_VAL;
set_64bit_val(qp_ctx, 24,
FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) |
FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size) |
FIELD_PREP(IRDMAQPC_TTL, udp->ttl) | FIELD_PREP(IRDMAQPC_TOS, udp->tos) |
FIELD_PREP(IRDMAQPC_SRCPORTNUM, udp->src_port) |
FIELD_PREP(IRDMAQPC_DESTPORTNUM, udp->dst_port));
set_64bit_val(qp_ctx, 32,
FIELD_PREP(IRDMAQPC_DESTIPADDR2, udp->dest_ip_addr[2]) |
FIELD_PREP(IRDMAQPC_DESTIPADDR3, udp->dest_ip_addr[3]));
set_64bit_val(qp_ctx, 40,
FIELD_PREP(IRDMAQPC_DESTIPADDR0, udp->dest_ip_addr[0]) |
FIELD_PREP(IRDMAQPC_DESTIPADDR1, udp->dest_ip_addr[1]));
set_64bit_val(qp_ctx, 48,
FIELD_PREP(IRDMAQPC_SNDMSS, udp->snd_mss) |
FIELD_PREP(IRDMAQPC_VLANTAG, udp->vlan_tag) |
FIELD_PREP(IRDMAQPC_ARPIDX, udp->arp_idx));
set_64bit_val(qp_ctx, 56,
FIELD_PREP(IRDMAQPC_PKEY, roce_info->p_key) |
FIELD_PREP(IRDMAQPC_PDIDX, roce_info->pd_id) |
FIELD_PREP(IRDMAQPC_ACKCREDITS, roce_info->ack_credits) |
FIELD_PREP(IRDMAQPC_FLOWLABEL, udp->flow_label));
set_64bit_val(qp_ctx, 64,
FIELD_PREP(IRDMAQPC_QKEY, roce_info->qkey) |
FIELD_PREP(IRDMAQPC_DESTQP, roce_info->dest_qp));
set_64bit_val(qp_ctx, 80,
FIELD_PREP(IRDMAQPC_PSNNXT, udp->psn_nxt) |
FIELD_PREP(IRDMAQPC_LSN, udp->lsn));
set_64bit_val(qp_ctx, 88,
FIELD_PREP(IRDMAQPC_EPSN, udp->epsn));
set_64bit_val(qp_ctx, 96,
FIELD_PREP(IRDMAQPC_PSNMAX, udp->psn_max) |
FIELD_PREP(IRDMAQPC_PSNUNA, udp->psn_una));
set_64bit_val(qp_ctx, 112,
FIELD_PREP(IRDMAQPC_CWNDROCE, udp->cwnd));
set_64bit_val(qp_ctx, 128,
FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, roce_info->err_rq_idx) |
FIELD_PREP(IRDMAQPC_RNRNAK_THRESH, udp->rnr_nak_thresh) |
FIELD_PREP(IRDMAQPC_REXMIT_THRESH, udp->rexmit_thresh) |
FIELD_PREP(IRDMAQPC_RTOMIN, roce_info->rtomin));
set_64bit_val(qp_ctx, 136,
FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) |
FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num));
set_64bit_val(qp_ctx, 144,
FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx));
set_64bit_val(qp_ctx, 152, ether_addr_to_u64(roce_info->mac_addr) << 16);
set_64bit_val(qp_ctx, 160,
FIELD_PREP(IRDMAQPC_ORDSIZE, roce_info->ord_size) |
FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(roce_info->ird_size)) |
FIELD_PREP(IRDMAQPC_WRRDRSPOK, roce_info->wr_rdresp_en) |
FIELD_PREP(IRDMAQPC_RDOK, roce_info->rd_en) |
FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) |
FIELD_PREP(IRDMAQPC_BINDEN, roce_info->bind_en) |
FIELD_PREP(IRDMAQPC_FASTREGEN, roce_info->fast_reg_en) |
FIELD_PREP(IRDMAQPC_DCQCNENABLE, roce_info->dcqcn_en) |
FIELD_PREP(IRDMAQPC_RCVNOICRC, roce_info->rcv_no_icrc) |
FIELD_PREP(IRDMAQPC_FW_CC_ENABLE, roce_info->fw_cc_enable) |
FIELD_PREP(IRDMAQPC_UDPRIVCQENABLE, roce_info->udprivcq_en) |
FIELD_PREP(IRDMAQPC_PRIVEN, roce_info->priv_mode_en) |
FIELD_PREP(IRDMAQPC_TIMELYENABLE, roce_info->timely_en));
set_64bit_val(qp_ctx, 168,
FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx));
set_64bit_val(qp_ctx, 176,
FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) |
FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) |
FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle));
set_64bit_val(qp_ctx, 184,
FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, udp->local_ipaddr[3]) |
FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, udp->local_ipaddr[2]));
set_64bit_val(qp_ctx, 192,
FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, udp->local_ipaddr[1]) |
FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, udp->local_ipaddr[0]));
set_64bit_val(qp_ctx, 200,
FIELD_PREP(IRDMAQPC_THIGH, roce_info->t_high) |
FIELD_PREP(IRDMAQPC_TLOW, roce_info->t_low));
set_64bit_val(qp_ctx, 208,
FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx));
print_hex_dump_debug("WQE: QP_HOST CTX WQE", DUMP_PREFIX_OFFSET, 16,
8, qp_ctx, IRDMA_QP_CTX_SIZE, false);
}
/* irdma_sc_alloc_local_mac_entry - allocate a mac entry
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_alloc_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch,
bool post_sq)
{
__le64 *wqe;
u64 hdr;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE,
IRDMA_CQP_OP_ALLOCATE_LOC_MAC_TABLE_ENTRY) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: ALLOCATE_LOCAL_MAC WQE",
DUMP_PREFIX_OFFSET, 16, 8, wqe,
IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_add_local_mac_entry - add mac enry
* @cqp: struct for cqp hw
* @info:mac addr info
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_add_local_mac_entry(struct irdma_sc_cqp *cqp,
struct irdma_local_mac_entry_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
u64 header;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 32, ether_addr_to_u64(info->mac_addr));
header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, info->entry_idx) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE,
IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, header);
print_hex_dump_debug("WQE: ADD_LOCAL_MAC WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_del_local_mac_entry - cqp wqe to dele local mac
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @entry_idx: index of mac entry
* @ignore_ref_count: to force mac adde delete
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_del_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch,
u16 entry_idx, u8 ignore_ref_count,
bool post_sq)
{
__le64 *wqe;
u64 header;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, entry_idx) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE,
IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) |
FIELD_PREP(IRDMA_CQPSQ_MLM_FREEENTRY, 1) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_MLM_IGNORE_REF_CNT, ignore_ref_count);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, header);
print_hex_dump_debug("WQE: DEL_LOCAL_MAC_IPADDR WQE",
DUMP_PREFIX_OFFSET, 16, 8, wqe,
IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_qp_setctx - set qp's context
* @qp: sc qp
* @qp_ctx: context ptr
* @info: ctx info
*/
void irdma_sc_qp_setctx(struct irdma_sc_qp *qp, __le64 *qp_ctx,
struct irdma_qp_host_ctx_info *info)
{
struct irdma_iwarp_offload_info *iw;
struct irdma_tcp_offload_info *tcp;
struct irdma_sc_dev *dev;
u8 push_mode_en;
u32 push_idx;
u64 qw0, qw3, qw7 = 0, qw16 = 0;
u64 mac = 0;
iw = info->iwarp_info;
tcp = info->tcp_info;
dev = qp->dev;
if (iw->rcv_mark_en) {
qp->pfpdu.marker_len = 4;
qp->pfpdu.rcv_start_seq = tcp->rcv_nxt;
}
qp->user_pri = info->user_pri;
if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) {
push_mode_en = 0;
push_idx = 0;
} else {
push_mode_en = 1;
push_idx = qp->push_idx;
}
qw0 = FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) |
FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) |
FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) |
FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) |
FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) |
FIELD_PREP(IRDMAQPC_PPIDX, push_idx) |
FIELD_PREP(IRDMAQPC_PMENA, push_mode_en);
set_64bit_val(qp_ctx, 8, qp->sq_pa);
set_64bit_val(qp_ctx, 16, qp->rq_pa);
qw3 = FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) |
FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size);
if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX,
qp->src_mac_addr_idx);
set_64bit_val(qp_ctx, 136,
FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) |
FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num));
set_64bit_val(qp_ctx, 168,
FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx));
set_64bit_val(qp_ctx, 176,
FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) |
FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) |
FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle) |
FIELD_PREP(IRDMAQPC_EXCEPTION_LAN_QUEUE, qp->ieq_qp));
if (info->iwarp_info_valid) {
qw0 |= FIELD_PREP(IRDMAQPC_DDP_VER, iw->ddp_ver) |
FIELD_PREP(IRDMAQPC_RDMAP_VER, iw->rdmap_ver) |
FIELD_PREP(IRDMAQPC_DC_TCP_EN, iw->dctcp_en) |
FIELD_PREP(IRDMAQPC_ECN_EN, iw->ecn_en) |
FIELD_PREP(IRDMAQPC_IBRDENABLE, iw->ib_rd_en) |
FIELD_PREP(IRDMAQPC_PDIDXHI, iw->pd_id >> 16) |
FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID,
iw->err_rq_idx_valid);
qw7 |= FIELD_PREP(IRDMAQPC_PDIDX, iw->pd_id);
qw16 |= FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, iw->err_rq_idx) |
FIELD_PREP(IRDMAQPC_RTOMIN, iw->rtomin);
set_64bit_val(qp_ctx, 144,
FIELD_PREP(IRDMAQPC_Q2ADDR, qp->q2_pa >> 8) |
FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx));
if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2)
mac = ether_addr_to_u64(iw->mac_addr);
set_64bit_val(qp_ctx, 152,
mac << 16 | FIELD_PREP(IRDMAQPC_LASTBYTESENT, iw->last_byte_sent));
set_64bit_val(qp_ctx, 160,
FIELD_PREP(IRDMAQPC_ORDSIZE, iw->ord_size) |
FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(iw->ird_size)) |
FIELD_PREP(IRDMAQPC_WRRDRSPOK, iw->wr_rdresp_en) |
FIELD_PREP(IRDMAQPC_RDOK, iw->rd_en) |
FIELD_PREP(IRDMAQPC_SNDMARKERS, iw->snd_mark_en) |
FIELD_PREP(IRDMAQPC_BINDEN, iw->bind_en) |
FIELD_PREP(IRDMAQPC_FASTREGEN, iw->fast_reg_en) |
FIELD_PREP(IRDMAQPC_PRIVEN, iw->priv_mode_en) |
FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) |
FIELD_PREP(IRDMAQPC_IWARPMODE, 1) |
FIELD_PREP(IRDMAQPC_RCVMARKERS, iw->rcv_mark_en) |
FIELD_PREP(IRDMAQPC_ALIGNHDRS, iw->align_hdrs) |
FIELD_PREP(IRDMAQPC_RCVNOMPACRC, iw->rcv_no_mpa_crc) |
FIELD_PREP(IRDMAQPC_RCVMARKOFFSET, iw->rcv_mark_offset || !tcp ? iw->rcv_mark_offset : tcp->rcv_nxt) |
FIELD_PREP(IRDMAQPC_SNDMARKOFFSET, iw->snd_mark_offset || !tcp ? iw->snd_mark_offset : tcp->snd_nxt) |
FIELD_PREP(IRDMAQPC_TIMELYENABLE, iw->timely_en));
}
if (info->tcp_info_valid) {
qw0 |= FIELD_PREP(IRDMAQPC_IPV4, tcp->ipv4) |
FIELD_PREP(IRDMAQPC_NONAGLE, tcp->no_nagle) |
FIELD_PREP(IRDMAQPC_INSERTVLANTAG,
tcp->insert_vlan_tag) |
FIELD_PREP(IRDMAQPC_TIMESTAMP, tcp->time_stamp) |
FIELD_PREP(IRDMAQPC_LIMIT, tcp->cwnd_inc_limit) |
FIELD_PREP(IRDMAQPC_DROPOOOSEG, tcp->drop_ooo_seg) |
FIELD_PREP(IRDMAQPC_DUPACK_THRESH, tcp->dup_ack_thresh);
if ((iw->ecn_en || iw->dctcp_en) && !(tcp->tos & 0x03))
tcp->tos |= ECN_CODE_PT_VAL;
qw3 |= FIELD_PREP(IRDMAQPC_TTL, tcp->ttl) |
FIELD_PREP(IRDMAQPC_AVOIDSTRETCHACK, tcp->avoid_stretch_ack) |
FIELD_PREP(IRDMAQPC_TOS, tcp->tos) |
FIELD_PREP(IRDMAQPC_SRCPORTNUM, tcp->src_port) |
FIELD_PREP(IRDMAQPC_DESTPORTNUM, tcp->dst_port);
if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) {
qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX, tcp->src_mac_addr_idx);
qp->src_mac_addr_idx = tcp->src_mac_addr_idx;
}
set_64bit_val(qp_ctx, 32,
FIELD_PREP(IRDMAQPC_DESTIPADDR2, tcp->dest_ip_addr[2]) |
FIELD_PREP(IRDMAQPC_DESTIPADDR3, tcp->dest_ip_addr[3]));
set_64bit_val(qp_ctx, 40,
FIELD_PREP(IRDMAQPC_DESTIPADDR0, tcp->dest_ip_addr[0]) |
FIELD_PREP(IRDMAQPC_DESTIPADDR1, tcp->dest_ip_addr[1]));
set_64bit_val(qp_ctx, 48,
FIELD_PREP(IRDMAQPC_SNDMSS, tcp->snd_mss) |
FIELD_PREP(IRDMAQPC_SYN_RST_HANDLING, tcp->syn_rst_handling) |
FIELD_PREP(IRDMAQPC_VLANTAG, tcp->vlan_tag) |
FIELD_PREP(IRDMAQPC_ARPIDX, tcp->arp_idx));
qw7 |= FIELD_PREP(IRDMAQPC_FLOWLABEL, tcp->flow_label) |
FIELD_PREP(IRDMAQPC_WSCALE, tcp->wscale) |
FIELD_PREP(IRDMAQPC_IGNORE_TCP_OPT,
tcp->ignore_tcp_opt) |
FIELD_PREP(IRDMAQPC_IGNORE_TCP_UNS_OPT,
tcp->ignore_tcp_uns_opt) |
FIELD_PREP(IRDMAQPC_TCPSTATE, tcp->tcp_state) |
FIELD_PREP(IRDMAQPC_RCVSCALE, tcp->rcv_wscale) |
FIELD_PREP(IRDMAQPC_SNDSCALE, tcp->snd_wscale);
set_64bit_val(qp_ctx, 72,
FIELD_PREP(IRDMAQPC_TIMESTAMP_RECENT, tcp->time_stamp_recent) |
FIELD_PREP(IRDMAQPC_TIMESTAMP_AGE, tcp->time_stamp_age));
set_64bit_val(qp_ctx, 80,
FIELD_PREP(IRDMAQPC_SNDNXT, tcp->snd_nxt) |
FIELD_PREP(IRDMAQPC_SNDWND, tcp->snd_wnd));
set_64bit_val(qp_ctx, 88,
FIELD_PREP(IRDMAQPC_RCVNXT, tcp->rcv_nxt) |
FIELD_PREP(IRDMAQPC_RCVWND, tcp->rcv_wnd));
set_64bit_val(qp_ctx, 96,
FIELD_PREP(IRDMAQPC_SNDMAX, tcp->snd_max) |
FIELD_PREP(IRDMAQPC_SNDUNA, tcp->snd_una));
set_64bit_val(qp_ctx, 104,
FIELD_PREP(IRDMAQPC_SRTT, tcp->srtt) |
FIELD_PREP(IRDMAQPC_RTTVAR, tcp->rtt_var));
set_64bit_val(qp_ctx, 112,
FIELD_PREP(IRDMAQPC_SSTHRESH, tcp->ss_thresh) |
FIELD_PREP(IRDMAQPC_CWND, tcp->cwnd));
set_64bit_val(qp_ctx, 120,
FIELD_PREP(IRDMAQPC_SNDWL1, tcp->snd_wl1) |
FIELD_PREP(IRDMAQPC_SNDWL2, tcp->snd_wl2));
qw16 |= FIELD_PREP(IRDMAQPC_MAXSNDWND, tcp->max_snd_window) |
FIELD_PREP(IRDMAQPC_REXMIT_THRESH, tcp->rexmit_thresh);
set_64bit_val(qp_ctx, 184,
FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, tcp->local_ipaddr[3]) |
FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, tcp->local_ipaddr[2]));
set_64bit_val(qp_ctx, 192,
FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, tcp->local_ipaddr[1]) |
FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, tcp->local_ipaddr[0]));
set_64bit_val(qp_ctx, 200,
FIELD_PREP(IRDMAQPC_THIGH, iw->t_high) |
FIELD_PREP(IRDMAQPC_TLOW, iw->t_low));
set_64bit_val(qp_ctx, 208,
FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx));
}
set_64bit_val(qp_ctx, 0, qw0);
set_64bit_val(qp_ctx, 24, qw3);
set_64bit_val(qp_ctx, 56, qw7);
set_64bit_val(qp_ctx, 128, qw16);
print_hex_dump_debug("WQE: QP_HOST CTX", DUMP_PREFIX_OFFSET, 16, 8,
qp_ctx, IRDMA_QP_CTX_SIZE, false);
}
/**
* irdma_sc_alloc_stag - mr stag alloc
* @dev: sc device struct
* @info: stag info
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_alloc_stag(struct irdma_sc_dev *dev,
struct irdma_allocate_stag_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
struct irdma_sc_cqp *cqp;
u64 hdr;
enum irdma_page_size page_size;
if (!info->total_len && !info->all_memory)
return -EINVAL;
if (info->page_size == 0x40000000)
page_size = IRDMA_PAGE_SIZE_1G;
else if (info->page_size == 0x200000)
page_size = IRDMA_PAGE_SIZE_2M;
else
page_size = IRDMA_PAGE_SIZE_4K;
cqp = dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 8,
FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID) |
FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len));
set_64bit_val(wqe, 16,
FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx));
set_64bit_val(wqe, 40,
FIELD_PREP(IRDMA_CQPSQ_STAG_HMCFNIDX, info->hmc_fcn_index));
if (info->chunk_size)
set_64bit_val(wqe, 48,
FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_idx));
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) |
FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) |
FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) |
FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) |
FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, info->remote_access) |
FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) |
FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: ALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_mr_reg_non_shared - non-shared mr registration
* @dev: sc device struct
* @info: mr info
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_mr_reg_non_shared(struct irdma_sc_dev *dev,
struct irdma_reg_ns_stag_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
u64 fbo;
struct irdma_sc_cqp *cqp;
u64 hdr;
u32 pble_obj_cnt;
bool remote_access;
u8 addr_type;
enum irdma_page_size page_size;
if (!info->total_len && !info->all_memory)
return -EINVAL;
if (info->page_size == 0x40000000)
page_size = IRDMA_PAGE_SIZE_1G;
else if (info->page_size == 0x200000)
page_size = IRDMA_PAGE_SIZE_2M;
else if (info->page_size == 0x1000)
page_size = IRDMA_PAGE_SIZE_4K;
else
return -EINVAL;
if (info->access_rights & (IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY |
IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY))
remote_access = true;
else
remote_access = false;
pble_obj_cnt = dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
if (info->chunk_size && info->first_pm_pbl_index >= pble_obj_cnt)
return -EINVAL;
cqp = dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
fbo = info->va & (info->page_size - 1);
set_64bit_val(wqe, 0,
(info->addr_type == IRDMA_ADDR_TYPE_VA_BASED ?
info->va : fbo));
set_64bit_val(wqe, 8,
FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len) |
FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
set_64bit_val(wqe, 16,
FIELD_PREP(IRDMA_CQPSQ_STAG_KEY, info->stag_key) |
FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx));
if (!info->chunk_size) {
set_64bit_val(wqe, 32, info->reg_addr_pa);
set_64bit_val(wqe, 48, 0);
} else {
set_64bit_val(wqe, 32, 0);
set_64bit_val(wqe, 48,
FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_index));
}
set_64bit_val(wqe, 40, info->hmc_fcn_index);
set_64bit_val(wqe, 56, 0);
addr_type = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? 1 : 0;
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_REG_MR) |
FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) |
FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) |
FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) |
FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, remote_access) |
FIELD_PREP(IRDMA_CQPSQ_STAG_VABASEDTO, addr_type) |
FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) |
FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: MR_REG_NS WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_dealloc_stag - deallocate stag
* @dev: sc device struct
* @info: dealloc stag info
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_dealloc_stag(struct irdma_sc_dev *dev,
struct irdma_dealloc_stag_info *info,
u64 scratch, bool post_sq)
{
u64 hdr;
__le64 *wqe;
struct irdma_sc_cqp *cqp;
cqp = dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 8,
FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
set_64bit_val(wqe, 16,
FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx));
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DEALLOC_STAG) |
FIELD_PREP(IRDMA_CQPSQ_STAG_MR, info->mr) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: DEALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_mw_alloc - mw allocate
* @dev: sc device struct
* @info: memory window allocation information
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_mw_alloc(struct irdma_sc_dev *dev,
struct irdma_mw_alloc_info *info, u64 scratch,
bool post_sq)
{
u64 hdr;
struct irdma_sc_cqp *cqp;
__le64 *wqe;
cqp = dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 8,
FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
set_64bit_val(wqe, 16,
FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->mw_stag_index));
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) |
FIELD_PREP(IRDMA_CQPSQ_STAG_MWTYPE, info->mw_wide) |
FIELD_PREP(IRDMA_CQPSQ_STAG_MW1_BIND_DONT_VLDT_KEY,
info->mw1_bind_dont_vldt_key) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: MW_ALLOC WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_mr_fast_register - Posts RDMA fast register mr WR to iwarp qp
* @qp: sc qp struct
* @info: fast mr info
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_mr_fast_register(struct irdma_sc_qp *qp,
struct irdma_fast_reg_stag_info *info,
bool post_sq)
{
u64 temp, hdr;
__le64 *wqe;
u32 wqe_idx;
enum irdma_page_size page_size;
struct irdma_post_sq_info sq_info = {};
if (info->page_size == 0x40000000)
page_size = IRDMA_PAGE_SIZE_1G;
else if (info->page_size == 0x200000)
page_size = IRDMA_PAGE_SIZE_2M;
else
page_size = IRDMA_PAGE_SIZE_4K;
sq_info.wr_id = info->wr_id;
sq_info.signaled = info->signaled;
wqe = irdma_qp_get_next_send_wqe(&qp->qp_uk, &wqe_idx,
IRDMA_QP_WQE_MIN_QUANTA, 0, &sq_info);
if (!wqe)
return -ENOMEM;
irdma_clr_wqes(&qp->qp_uk, wqe_idx);
ibdev_dbg(to_ibdev(qp->dev),
"MR: wr_id[%llxh] wqe_idx[%04d] location[%p]\n",
info->wr_id, wqe_idx,
&qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid);
temp = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ?
(uintptr_t)info->va : info->fbo;
set_64bit_val(wqe, 0, temp);
temp = FIELD_GET(IRDMAQPSQ_FIRSTPMPBLIDXHI,
info->first_pm_pbl_index >> 16);
set_64bit_val(wqe, 8,
FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXHI, temp) |
FIELD_PREP(IRDMAQPSQ_PBLADDR >> IRDMA_HW_PAGE_SHIFT, info->reg_addr_pa));
set_64bit_val(wqe, 16,
info->total_len |
FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXLO, info->first_pm_pbl_index));
hdr = FIELD_PREP(IRDMAQPSQ_STAGKEY, info->stag_key) |
FIELD_PREP(IRDMAQPSQ_STAGINDEX, info->stag_idx) |
FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_FAST_REGISTER) |
FIELD_PREP(IRDMAQPSQ_LPBLSIZE, info->chunk_size) |
FIELD_PREP(IRDMAQPSQ_HPAGESIZE, page_size) |
FIELD_PREP(IRDMAQPSQ_STAGRIGHTS, info->access_rights) |
FIELD_PREP(IRDMAQPSQ_VABASEDTO, info->addr_type) |
FIELD_PREP(IRDMAQPSQ_READFENCE, info->read_fence) |
FIELD_PREP(IRDMAQPSQ_LOCALFENCE, info->local_fence) |
FIELD_PREP(IRDMAQPSQ_SIGCOMPL, info->signaled) |
FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: FAST_REG WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_QP_WQE_MIN_SIZE, false);
if (post_sq)
irdma_uk_qp_post_wr(&qp->qp_uk);
return 0;
}
/**
* irdma_sc_gen_rts_ae - request AE generated after RTS
* @qp: sc qp struct
*/
static void irdma_sc_gen_rts_ae(struct irdma_sc_qp *qp)
{
__le64 *wqe;
u64 hdr;
struct irdma_qp_uk *qp_uk;
qp_uk = &qp->qp_uk;
wqe = qp_uk->sq_base[1].elem;
hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_NOP) |
FIELD_PREP(IRDMAQPSQ_LOCALFENCE, 1) |
FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("QP: NOP W/LOCAL FENCE WQE", DUMP_PREFIX_OFFSET,
16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false);
wqe = qp_uk->sq_base[2].elem;
hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_GEN_RTS_AE) |
FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("QP: CONN EST WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_QP_WQE_MIN_SIZE, false);
}
/**
* irdma_sc_send_lsmm - send last streaming mode message
* @qp: sc qp struct
* @lsmm_buf: buffer with lsmm message
* @size: size of lsmm buffer
* @stag: stag of lsmm buffer
*/
void irdma_sc_send_lsmm(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size,
irdma_stag stag)
{
__le64 *wqe;
u64 hdr;
struct irdma_qp_uk *qp_uk;
qp_uk = &qp->qp_uk;
wqe = qp_uk->sq_base->elem;
set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf);
if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
set_64bit_val(wqe, 8,
FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_LEN, size) |
FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, stag));
} else {
set_64bit_val(wqe, 8,
FIELD_PREP(IRDMAQPSQ_FRAG_LEN, size) |
FIELD_PREP(IRDMAQPSQ_FRAG_STAG, stag) |
FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
}
set_64bit_val(wqe, 16, 0);
hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_SEND) |
FIELD_PREP(IRDMAQPSQ_STREAMMODE, 1) |
FIELD_PREP(IRDMAQPSQ_WAITFORRCVPDU, 1) |
FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: SEND_LSMM WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_QP_WQE_MIN_SIZE, false);
if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE)
irdma_sc_gen_rts_ae(qp);
}
/**
* irdma_sc_send_rtt - send last read0 or write0
* @qp: sc qp struct
* @read: Do read0 or write0
*/
void irdma_sc_send_rtt(struct irdma_sc_qp *qp, bool read)
{
__le64 *wqe;
u64 hdr;
struct irdma_qp_uk *qp_uk;
qp_uk = &qp->qp_uk;
wqe = qp_uk->sq_base->elem;
set_64bit_val(wqe, 0, 0);
set_64bit_val(wqe, 16, 0);
if (read) {
if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
set_64bit_val(wqe, 8,
FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, 0xabcd));
} else {
set_64bit_val(wqe, 8,
(u64)0xabcd | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
}
hdr = FIELD_PREP(IRDMAQPSQ_REMSTAG, 0x1234) |
FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_READ) |
FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
} else {
if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
set_64bit_val(wqe, 8, 0);
} else {
set_64bit_val(wqe, 8,
FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
}
hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_WRITE) |
FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
}
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: RTR WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe,
IRDMA_QP_WQE_MIN_SIZE, false);
if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE)
irdma_sc_gen_rts_ae(qp);
}
/**
* irdma_iwarp_opcode - determine if incoming is rdma layer
* @info: aeq info for the packet
* @pkt: packet for error
*/
static u32 irdma_iwarp_opcode(struct irdma_aeqe_info *info, u8 *pkt)
{
__be16 *mpa;
u32 opcode = 0xffffffff;
if (info->q2_data_written) {
mpa = (__be16 *)pkt;
opcode = ntohs(mpa[1]) & 0xf;
}
return opcode;
}
/**
* irdma_locate_mpa - return pointer to mpa in the pkt
* @pkt: packet with data
*/
static u8 *irdma_locate_mpa(u8 *pkt)
{
/* skip over ethernet header */
pkt += IRDMA_MAC_HLEN;
/* Skip over IP and TCP headers */
pkt += 4 * (pkt[0] & 0x0f);
pkt += 4 * ((pkt[12] >> 4) & 0x0f);
return pkt;
}
/**
* irdma_bld_termhdr_ctrl - setup terminate hdr control fields
* @qp: sc qp ptr for pkt
* @hdr: term hdr
* @opcode: flush opcode for termhdr
* @layer_etype: error layer + error type
* @err: error cod ein the header
*/
static void irdma_bld_termhdr_ctrl(struct irdma_sc_qp *qp,
struct irdma_terminate_hdr *hdr,
enum irdma_flush_opcode opcode,
u8 layer_etype, u8 err)
{
qp->flush_code = opcode;
hdr->layer_etype = layer_etype;
hdr->error_code = err;
}
/**
* irdma_bld_termhdr_ddp_rdma - setup ddp and rdma hdrs in terminate hdr
* @pkt: ptr to mpa in offending pkt
* @hdr: term hdr
* @copy_len: offending pkt length to be copied to term hdr
* @is_tagged: DDP tagged or untagged
*/
static void irdma_bld_termhdr_ddp_rdma(u8 *pkt, struct irdma_terminate_hdr *hdr,
int *copy_len, u8 *is_tagged)
{
u16 ddp_seg_len;
ddp_seg_len = ntohs(*(__be16 *)pkt);
if (ddp_seg_len) {
*copy_len = 2;
hdr->hdrct = DDP_LEN_FLAG;
if (pkt[2] & 0x80) {
*is_tagged = 1;
if (ddp_seg_len >= TERM_DDP_LEN_TAGGED) {
*copy_len += TERM_DDP_LEN_TAGGED;
hdr->hdrct |= DDP_HDR_FLAG;
}
} else {
if (ddp_seg_len >= TERM_DDP_LEN_UNTAGGED) {
*copy_len += TERM_DDP_LEN_UNTAGGED;
hdr->hdrct |= DDP_HDR_FLAG;
}
if (ddp_seg_len >= (TERM_DDP_LEN_UNTAGGED + TERM_RDMA_LEN) &&
((pkt[3] & RDMA_OPCODE_M) == RDMA_READ_REQ_OPCODE)) {
*copy_len += TERM_RDMA_LEN;
hdr->hdrct |= RDMA_HDR_FLAG;
}
}
}
}
/**
* irdma_bld_terminate_hdr - build terminate message header
* @qp: qp associated with received terminate AE
* @info: the struct contiaing AE information
*/
static int irdma_bld_terminate_hdr(struct irdma_sc_qp *qp,
struct irdma_aeqe_info *info)
{
u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
int copy_len = 0;
u8 is_tagged = 0;
u32 opcode;
struct irdma_terminate_hdr *termhdr;
termhdr = (struct irdma_terminate_hdr *)qp->q2_buf;
memset(termhdr, 0, Q2_BAD_FRAME_OFFSET);
if (info->q2_data_written) {
pkt = irdma_locate_mpa(pkt);
irdma_bld_termhdr_ddp_rdma(pkt, termhdr, ©_len, &is_tagged);
}
opcode = irdma_iwarp_opcode(info, pkt);
qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC;
qp->sq_flush_code = info->sq;
qp->rq_flush_code = info->rq;
switch (info->ae_id) {
case IRDMA_AE_AMP_UNALLOCATED_STAG:
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
if (opcode == IRDMA_OP_TYPE_RDMA_WRITE)
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
(LAYER_DDP << 4) | DDP_TAGGED_BUF,
DDP_TAGGED_INV_STAG);
else
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
RDMAP_INV_STAG);
break;
case IRDMA_AE_AMP_BOUNDS_VIOLATION:
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
if (info->q2_data_written)
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
(LAYER_DDP << 4) | DDP_TAGGED_BUF,
DDP_TAGGED_BOUNDS);
else
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
RDMAP_INV_BOUNDS);
break;
case IRDMA_AE_AMP_BAD_PD:
switch (opcode) {
case IRDMA_OP_TYPE_RDMA_WRITE:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
(LAYER_DDP << 4) | DDP_TAGGED_BUF,
DDP_TAGGED_UNASSOC_STAG);
break;
case IRDMA_OP_TYPE_SEND_INV:
case IRDMA_OP_TYPE_SEND_SOL_INV:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
RDMAP_CANT_INV_STAG);
break;
default:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
RDMAP_UNASSOC_STAG);
}
break;
case IRDMA_AE_AMP_INVALID_STAG:
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
RDMAP_INV_STAG);
break;
case IRDMA_AE_AMP_BAD_QP:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_QP_OP_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
DDP_UNTAGGED_INV_QN);
break;
case IRDMA_AE_AMP_BAD_STAG_KEY:
case IRDMA_AE_AMP_BAD_STAG_INDEX:
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
switch (opcode) {
case IRDMA_OP_TYPE_SEND_INV:
case IRDMA_OP_TYPE_SEND_SOL_INV:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
RDMAP_CANT_INV_STAG);
break;
default:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
RDMAP_INV_STAG);
}
break;
case IRDMA_AE_AMP_RIGHTS_VIOLATION:
case IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS:
case IRDMA_AE_PRIV_OPERATION_DENIED:
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
RDMAP_ACCESS);
break;
case IRDMA_AE_AMP_TO_WRAP:
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
RDMAP_TO_WRAP);
break;
case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_MPA << 4) | DDP_LLP, MPA_CRC);
break;
case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR,
(LAYER_DDP << 4) | DDP_CATASTROPHIC,
DDP_CATASTROPHIC_LOCAL);
break;
case IRDMA_AE_LCE_QP_CATASTROPHIC:
case IRDMA_AE_DDP_NO_L_BIT:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR,
(LAYER_DDP << 4) | DDP_CATASTROPHIC,
DDP_CATASTROPHIC_LOCAL);
break;
case IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
DDP_UNTAGGED_INV_MSN_RANGE);
break;
case IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
DDP_UNTAGGED_INV_TOO_LONG);
break;
case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION:
if (is_tagged)
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_TAGGED_BUF,
DDP_TAGGED_INV_DDP_VER);
else
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
DDP_UNTAGGED_INV_DDP_VER);
break;
case IRDMA_AE_DDP_UBE_INVALID_MO:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
DDP_UNTAGGED_INV_MO);
break;
case IRDMA_AE_DDP_UBE_INVALID_MSN_NO_BUFFER_AVAILABLE:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
DDP_UNTAGGED_INV_MSN_NO_BUF);
break;
case IRDMA_AE_DDP_UBE_INVALID_QN:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
DDP_UNTAGGED_INV_QN);
break;
case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
RDMAP_INV_RDMAP_VER);
break;
default:
irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
RDMAP_UNSPECIFIED);
break;
}
if (copy_len)
memcpy(termhdr + 1, pkt, copy_len);
return sizeof(struct irdma_terminate_hdr) + copy_len;
}
/**
* irdma_terminate_send_fin() - Send fin for terminate message
* @qp: qp associated with received terminate AE
*/
void irdma_terminate_send_fin(struct irdma_sc_qp *qp)
{
irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE,
IRDMAQP_TERM_SEND_FIN_ONLY, 0);
}
/**
* irdma_terminate_connection() - Bad AE and send terminate to remote QP
* @qp: qp associated with received terminate AE
* @info: the struct contiaing AE information
*/
void irdma_terminate_connection(struct irdma_sc_qp *qp,
struct irdma_aeqe_info *info)
{
u8 termlen = 0;
if (qp->term_flags & IRDMA_TERM_SENT)
return;
termlen = irdma_bld_terminate_hdr(qp, info);
irdma_terminate_start_timer(qp);
qp->term_flags |= IRDMA_TERM_SENT;
irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE,
IRDMAQP_TERM_SEND_TERM_ONLY, termlen);
}
/**
* irdma_terminate_received - handle terminate received AE
* @qp: qp associated with received terminate AE
* @info: the struct contiaing AE information
*/
void irdma_terminate_received(struct irdma_sc_qp *qp,
struct irdma_aeqe_info *info)
{
u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
__be32 *mpa;
u8 ddp_ctl;
u8 rdma_ctl;
u16 aeq_id = 0;
struct irdma_terminate_hdr *termhdr;
mpa = (__be32 *)irdma_locate_mpa(pkt);
if (info->q2_data_written) {
/* did not validate the frame - do it now */
ddp_ctl = (ntohl(mpa[0]) >> 8) & 0xff;
rdma_ctl = ntohl(mpa[0]) & 0xff;
if ((ddp_ctl & 0xc0) != 0x40)
aeq_id = IRDMA_AE_LCE_QP_CATASTROPHIC;
else if ((ddp_ctl & 0x03) != 1)
aeq_id = IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION;
else if (ntohl(mpa[2]) != 2)
aeq_id = IRDMA_AE_DDP_UBE_INVALID_QN;
else if (ntohl(mpa[3]) != 1)
aeq_id = IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN;
else if (ntohl(mpa[4]) != 0)
aeq_id = IRDMA_AE_DDP_UBE_INVALID_MO;
else if ((rdma_ctl & 0xc0) != 0x40)
aeq_id = IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION;
info->ae_id = aeq_id;
if (info->ae_id) {
/* Bad terminate recvd - send back a terminate */
irdma_terminate_connection(qp, info);
return;
}
}
qp->term_flags |= IRDMA_TERM_RCVD;
qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC;
termhdr = (struct irdma_terminate_hdr *)&mpa[5];
if (termhdr->layer_etype == RDMAP_REMOTE_PROT ||
termhdr->layer_etype == RDMAP_REMOTE_OP) {
irdma_terminate_done(qp, 0);
} else {
irdma_terminate_start_timer(qp);
irdma_terminate_send_fin(qp);
}
}
static int irdma_null_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri)
{
return 0;
}
static void irdma_null_ws_remove(struct irdma_sc_vsi *vsi, u8 user_pri)
{
/* do nothing */
}
static void irdma_null_ws_reset(struct irdma_sc_vsi *vsi)
{
/* do nothing */
}
/**
* irdma_sc_vsi_init - Init the vsi structure
* @vsi: pointer to vsi structure to initialize
* @info: the info used to initialize the vsi struct
*/
void irdma_sc_vsi_init(struct irdma_sc_vsi *vsi,
struct irdma_vsi_init_info *info)
{
int i;
vsi->dev = info->dev;
vsi->back_vsi = info->back_vsi;
vsi->register_qset = info->register_qset;
vsi->unregister_qset = info->unregister_qset;
vsi->mtu = info->params->mtu;
vsi->exception_lan_q = info->exception_lan_q;
vsi->vsi_idx = info->pf_data_vsi_num;
irdma_set_qos_info(vsi, info->params);
for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
mutex_init(&vsi->qos[i].qos_mutex);
INIT_LIST_HEAD(&vsi->qos[i].qplist);
}
if (vsi->register_qset) {
vsi->dev->ws_add = irdma_ws_add;
vsi->dev->ws_remove = irdma_ws_remove;
vsi->dev->ws_reset = irdma_ws_reset;
} else {
vsi->dev->ws_add = irdma_null_ws_add;
vsi->dev->ws_remove = irdma_null_ws_remove;
vsi->dev->ws_reset = irdma_null_ws_reset;
}
}
/**
* irdma_get_stats_idx - Return stats index
* @vsi: pointer to the vsi
*/
static u8 irdma_get_stats_idx(struct irdma_sc_vsi *vsi)
{
struct irdma_stats_inst_info stats_info = {};
struct irdma_sc_dev *dev = vsi->dev;
u8 i;
if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
if (!irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_ALLOCATE,
&stats_info))
return stats_info.stats_idx;
}
for (i = 0; i < IRDMA_MAX_STATS_COUNT_GEN_1; i++) {
if (!dev->stats_idx_array[i]) {
dev->stats_idx_array[i] = true;
return i;
}
}
return IRDMA_INVALID_STATS_IDX;
}
/**
* irdma_hw_stats_init_gen1 - Initialize stat reg table used for gen1
* @vsi: vsi structure where hw_regs are set
*
* Populate the HW stats table
*/
static void irdma_hw_stats_init_gen1(struct irdma_sc_vsi *vsi)
{
struct irdma_sc_dev *dev = vsi->dev;
const struct irdma_hw_stat_map *map;
u64 *stat_reg = vsi->hw_stats_regs;
u64 *regs = dev->hw_stats_regs;
u16 i, stats_reg_set = vsi->stats_idx;
map = dev->hw_stats_map;
/* First 4 stat instances are reserved for port level statistics. */
stats_reg_set += vsi->stats_inst_alloc ? IRDMA_FIRST_NON_PF_STAT : 0;
for (i = 0; i < dev->hw_attrs.max_stat_idx; i++) {
if (map[i].bitmask <= IRDMA_MAX_STATS_32)
stat_reg[i] = regs[i] + stats_reg_set * sizeof(u32);
else
stat_reg[i] = regs[i] + stats_reg_set * sizeof(u64);
}
}
/**
* irdma_vsi_stats_init - Initialize the vsi statistics
* @vsi: pointer to the vsi structure
* @info: The info structure used for initialization
*/
int irdma_vsi_stats_init(struct irdma_sc_vsi *vsi,
struct irdma_vsi_stats_info *info)
{
struct irdma_dma_mem *stats_buff_mem;
vsi->pestat = info->pestat;
vsi->pestat->hw = vsi->dev->hw;
vsi->pestat->vsi = vsi;
stats_buff_mem = &vsi->pestat->gather_info.stats_buff_mem;
stats_buff_mem->size = ALIGN(IRDMA_GATHER_STATS_BUF_SIZE * 2, 1);
stats_buff_mem->va = dma_alloc_coherent(vsi->pestat->hw->device,
stats_buff_mem->size,
&stats_buff_mem->pa,
GFP_KERNEL);
if (!stats_buff_mem->va)
return -ENOMEM;
vsi->pestat->gather_info.gather_stats_va = stats_buff_mem->va;
vsi->pestat->gather_info.last_gather_stats_va =
(void *)((uintptr_t)stats_buff_mem->va +
IRDMA_GATHER_STATS_BUF_SIZE);
irdma_hw_stats_start_timer(vsi);
/* when stat allocation is not required default to fcn_id. */
vsi->stats_idx = info->fcn_id;
if (info->alloc_stats_inst) {
u8 stats_idx = irdma_get_stats_idx(vsi);
if (stats_idx != IRDMA_INVALID_STATS_IDX) {
vsi->stats_inst_alloc = true;
vsi->stats_idx = stats_idx;
vsi->pestat->gather_info.use_stats_inst = true;
vsi->pestat->gather_info.stats_inst_index = stats_idx;
}
}
if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
irdma_hw_stats_init_gen1(vsi);
return 0;
}
/**
* irdma_vsi_stats_free - Free the vsi stats
* @vsi: pointer to the vsi structure
*/
void irdma_vsi_stats_free(struct irdma_sc_vsi *vsi)
{
struct irdma_stats_inst_info stats_info = {};
struct irdma_sc_dev *dev = vsi->dev;
u8 stats_idx = vsi->stats_idx;
if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
if (vsi->stats_inst_alloc) {
stats_info.stats_idx = vsi->stats_idx;
irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_FREE,
&stats_info);
}
} else {
if (vsi->stats_inst_alloc &&
stats_idx < vsi->dev->hw_attrs.max_stat_inst)
vsi->dev->stats_idx_array[stats_idx] = false;
}
if (!vsi->pestat)
return;
irdma_hw_stats_stop_timer(vsi);
dma_free_coherent(vsi->pestat->hw->device,
vsi->pestat->gather_info.stats_buff_mem.size,
vsi->pestat->gather_info.stats_buff_mem.va,
vsi->pestat->gather_info.stats_buff_mem.pa);
vsi->pestat->gather_info.stats_buff_mem.va = NULL;
}
/**
* irdma_get_encoded_wqe_size - given wq size, returns hardware encoded size
* @wqsize: size of the wq (sq, rq) to encoded_size
* @queue_type: queue type selected for the calculation algorithm
*/
u8 irdma_get_encoded_wqe_size(u32 wqsize, enum irdma_queue_type queue_type)
{
u8 encoded_size = 0;
/* cqp sq's hw coded value starts from 1 for size of 4
* while it starts from 0 for qp' wq's.
*/
if (queue_type == IRDMA_QUEUE_TYPE_CQP)
encoded_size = 1;
wqsize >>= 2;
while (wqsize >>= 1)
encoded_size++;
return encoded_size;
}
/**
* irdma_sc_gather_stats - collect the statistics
* @cqp: struct for cqp hw
* @info: gather stats info structure
* @scratch: u64 saved to be used during cqp completion
*/
static int irdma_sc_gather_stats(struct irdma_sc_cqp *cqp,
struct irdma_stats_gather_info *info,
u64 scratch)
{
__le64 *wqe;
u64 temp;
if (info->stats_buff_mem.size < IRDMA_GATHER_STATS_BUF_SIZE)
return -ENOMEM;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 40,
FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fcn_index));
set_64bit_val(wqe, 32, info->stats_buff_mem.pa);
temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_STATS_USE_INST, info->use_stats_inst) |
FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX,
info->stats_inst_index) |
FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX,
info->use_hmc_fcn_index) |
FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_GATHER_STATS);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, temp);
print_hex_dump_debug("STATS: GATHER_STATS WQE", DUMP_PREFIX_OFFSET,
16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_sc_cqp_post_sq(cqp);
ibdev_dbg(to_ibdev(cqp->dev),
"STATS: CQP SQ head 0x%x tail 0x%x size 0x%x\n",
cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size);
return 0;
}
/**
* irdma_sc_manage_stats_inst - allocate or free stats instance
* @cqp: struct for cqp hw
* @info: stats info structure
* @alloc: alloc vs. delete flag
* @scratch: u64 saved to be used during cqp completion
*/
static int irdma_sc_manage_stats_inst(struct irdma_sc_cqp *cqp,
struct irdma_stats_inst_info *info,
bool alloc, u64 scratch)
{
__le64 *wqe;
u64 temp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 40,
FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fn_id));
temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_STATS_ALLOC_INST, alloc) |
FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX,
info->use_hmc_fcn_index) |
FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, info->stats_idx) |
FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_MANAGE_STATS);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, temp);
print_hex_dump_debug("WQE: MANAGE_STATS WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_set_up_map - set the up map table
* @cqp: struct for cqp hw
* @info: User priority map info
* @scratch: u64 saved to be used during cqp completion
*/
static int irdma_sc_set_up_map(struct irdma_sc_cqp *cqp,
struct irdma_up_info *info, u64 scratch)
{
__le64 *wqe;
u64 temp = 0;
int i;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++)
temp |= (u64)info->map[i] << (i * 8);
set_64bit_val(wqe, 0, temp);
set_64bit_val(wqe, 40,
FIELD_PREP(IRDMA_CQPSQ_UP_CNPOVERRIDE, info->cnp_up_override) |
FIELD_PREP(IRDMA_CQPSQ_UP_HMCFCNIDX, info->hmc_fcn_idx));
temp = FIELD_PREP(IRDMA_CQPSQ_UP_WQEVALID, cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_UP_USEVLAN, info->use_vlan) |
FIELD_PREP(IRDMA_CQPSQ_UP_USEOVERRIDE,
info->use_cnp_up_override) |
FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_UP_MAP);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, temp);
print_hex_dump_debug("WQE: UPMAP WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe,
IRDMA_CQP_WQE_SIZE * 8, false);
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_manage_ws_node - create/modify/destroy WS node
* @cqp: struct for cqp hw
* @info: node info structure
* @node_op: 0 for add 1 for modify, 2 for delete
* @scratch: u64 saved to be used during cqp completion
*/
static int irdma_sc_manage_ws_node(struct irdma_sc_cqp *cqp,
struct irdma_ws_node_info *info,
enum irdma_ws_node_op node_op, u64 scratch)
{
__le64 *wqe;
u64 temp = 0;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 32,
FIELD_PREP(IRDMA_CQPSQ_WS_VSI, info->vsi) |
FIELD_PREP(IRDMA_CQPSQ_WS_WEIGHT, info->weight));
temp = FIELD_PREP(IRDMA_CQPSQ_WS_WQEVALID, cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_WS_NODEOP, node_op) |
FIELD_PREP(IRDMA_CQPSQ_WS_ENABLENODE, info->enable) |
FIELD_PREP(IRDMA_CQPSQ_WS_NODETYPE, info->type_leaf) |
FIELD_PREP(IRDMA_CQPSQ_WS_PRIOTYPE, info->prio_type) |
FIELD_PREP(IRDMA_CQPSQ_WS_TC, info->tc) |
FIELD_PREP(IRDMA_CQPSQ_WS_OP, IRDMA_CQP_OP_WORK_SCHED_NODE) |
FIELD_PREP(IRDMA_CQPSQ_WS_PARENTID, info->parent_id) |
FIELD_PREP(IRDMA_CQPSQ_WS_NODEID, info->id);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, temp);
print_hex_dump_debug("WQE: MANAGE_WS WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_qp_flush_wqes - flush qp's wqe
* @qp: sc qp
* @info: dlush information
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_qp_flush_wqes(struct irdma_sc_qp *qp,
struct irdma_qp_flush_info *info, u64 scratch,
bool post_sq)
{
u64 temp = 0;
__le64 *wqe;
struct irdma_sc_cqp *cqp;
u64 hdr;
bool flush_sq = false, flush_rq = false;
if (info->rq && !qp->flush_rq)
flush_rq = true;
if (info->sq && !qp->flush_sq)
flush_sq = true;
qp->flush_sq |= flush_sq;
qp->flush_rq |= flush_rq;
if (!flush_sq && !flush_rq) {
ibdev_dbg(to_ibdev(qp->dev),
"CQP: Additional flush request ignored for qp %x\n",
qp->qp_uk.qp_id);
return -EALREADY;
}
cqp = qp->pd->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
if (info->userflushcode) {
if (flush_rq)
temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMNERR,
info->rq_minor_code) |
FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMJERR,
info->rq_major_code);
if (flush_sq)
temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMNERR,
info->sq_minor_code) |
FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMJERR,
info->sq_major_code);
}
set_64bit_val(wqe, 16, temp);
temp = (info->generate_ae) ?
info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE,
info->ae_src) : 0;
set_64bit_val(wqe, 8, temp);
hdr = qp->qp_uk.qp_id |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_FLUSH_WQES) |
FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, info->generate_ae) |
FIELD_PREP(IRDMA_CQPSQ_FWQE_USERFLCODE, info->userflushcode) |
FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHSQ, flush_sq) |
FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHRQ, flush_rq) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: QP_FLUSH WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_gen_ae - generate AE, uses flush WQE CQP OP
* @qp: sc qp
* @info: gen ae information
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_gen_ae(struct irdma_sc_qp *qp,
struct irdma_gen_ae_info *info, u64 scratch,
bool post_sq)
{
u64 temp;
__le64 *wqe;
struct irdma_sc_cqp *cqp;
u64 hdr;
cqp = qp->pd->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
temp = info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE,
info->ae_src);
set_64bit_val(wqe, 8, temp);
hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE,
IRDMA_CQP_OP_GEN_AE) |
FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, 1) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: GEN_AE WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/*** irdma_sc_qp_upload_context - upload qp's context
* @dev: sc device struct
* @info: upload context info ptr for return
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_qp_upload_context(struct irdma_sc_dev *dev,
struct irdma_upload_context_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
struct irdma_sc_cqp *cqp;
u64 hdr;
cqp = dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, info->buf_pa);
hdr = FIELD_PREP(IRDMA_CQPSQ_UCTX_QPID, info->qp_id) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPLOAD_CONTEXT) |
FIELD_PREP(IRDMA_CQPSQ_UCTX_QPTYPE, info->qp_type) |
FIELD_PREP(IRDMA_CQPSQ_UCTX_RAWFORMAT, info->raw_format) |
FIELD_PREP(IRDMA_CQPSQ_UCTX_FREEZEQP, info->freeze_qp) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: QP_UPLOAD_CTX WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_manage_push_page - Handle push page
* @cqp: struct for cqp hw
* @info: push page info
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_manage_push_page(struct irdma_sc_cqp *cqp,
struct irdma_cqp_manage_push_page_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
u64 hdr;
if (info->free_page &&
info->push_idx >= cqp->dev->hw_attrs.max_hw_device_pages)
return -EINVAL;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, info->qs_handle);
hdr = FIELD_PREP(IRDMA_CQPSQ_MPP_PPIDX, info->push_idx) |
FIELD_PREP(IRDMA_CQPSQ_MPP_PPTYPE, info->push_page_type) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_PUSH_PAGES) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_MPP_FREE_PAGE, info->free_page);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: MANAGE_PUSH_PAGES WQE", DUMP_PREFIX_OFFSET,
16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_suspend_qp - suspend qp for param change
* @cqp: struct for cqp hw
* @qp: sc qp struct
* @scratch: u64 saved to be used during cqp completion
*/
static int irdma_sc_suspend_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp,
u64 scratch)
{
u64 hdr;
__le64 *wqe;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
hdr = FIELD_PREP(IRDMA_CQPSQ_SUSPENDQP_QPID, qp->qp_uk.qp_id) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_SUSPEND_QP) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: SUSPEND_QP WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_resume_qp - resume qp after suspend
* @cqp: struct for cqp hw
* @qp: sc qp struct
* @scratch: u64 saved to be used during cqp completion
*/
static int irdma_sc_resume_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp,
u64 scratch)
{
u64 hdr;
__le64 *wqe;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16,
FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QSHANDLE, qp->qs_handle));
hdr = FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QPID, qp->qp_uk.qp_id) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_RESUME_QP) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: RESUME_QP WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_cq_ack - acknowledge completion q
* @cq: cq struct
*/
static inline void irdma_sc_cq_ack(struct irdma_sc_cq *cq)
{
writel(cq->cq_uk.cq_id, cq->cq_uk.cq_ack_db);
}
/**
* irdma_sc_cq_init - initialize completion q
* @cq: cq struct
* @info: cq initialization info
*/
int irdma_sc_cq_init(struct irdma_sc_cq *cq, struct irdma_cq_init_info *info)
{
u32 pble_obj_cnt;
pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
return -EINVAL;
cq->cq_pa = info->cq_base_pa;
cq->dev = info->dev;
cq->ceq_id = info->ceq_id;
info->cq_uk_init_info.cqe_alloc_db = cq->dev->cq_arm_db;
info->cq_uk_init_info.cq_ack_db = cq->dev->cq_ack_db;
irdma_uk_cq_init(&cq->cq_uk, &info->cq_uk_init_info);
cq->virtual_map = info->virtual_map;
cq->pbl_chunk_size = info->pbl_chunk_size;
cq->ceqe_mask = info->ceqe_mask;
cq->cq_type = (info->type) ? info->type : IRDMA_CQ_TYPE_IWARP;
cq->shadow_area_pa = info->shadow_area_pa;
cq->shadow_read_threshold = info->shadow_read_threshold;
cq->ceq_id_valid = info->ceq_id_valid;
cq->tph_en = info->tph_en;
cq->tph_val = info->tph_val;
cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
cq->vsi = info->vsi;
return 0;
}
/**
* irdma_sc_cq_create - create completion q
* @cq: cq struct
* @scratch: u64 saved to be used during cqp completion
* @check_overflow: flag for overflow check
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_cq_create(struct irdma_sc_cq *cq, u64 scratch,
bool check_overflow, bool post_sq)
{
__le64 *wqe;
struct irdma_sc_cqp *cqp;
u64 hdr;
struct irdma_sc_ceq *ceq;
int ret_code = 0;
cqp = cq->dev->cqp;
if (cq->cq_uk.cq_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt)
return -EINVAL;
if (cq->ceq_id >= cq->dev->hmc_fpm_misc.max_ceqs)
return -EINVAL;
ceq = cq->dev->ceq[cq->ceq_id];
if (ceq && ceq->reg_cq)
ret_code = irdma_sc_add_cq_ctx(ceq, cq);
if (ret_code)
return ret_code;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe) {
if (ceq && ceq->reg_cq)
irdma_sc_remove_cq_ctx(ceq, cq);
return -ENOMEM;
}
set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
set_64bit_val(wqe, 8, (uintptr_t)cq >> 1);
set_64bit_val(wqe, 16,
FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, cq->shadow_read_threshold));
set_64bit_val(wqe, 32, (cq->virtual_map ? 0 : cq->cq_pa));
set_64bit_val(wqe, 40, cq->shadow_area_pa);
set_64bit_val(wqe, 48,
FIELD_PREP(IRDMA_CQPSQ_CQ_FIRSTPMPBLIDX, (cq->virtual_map ? cq->first_pm_pbl_idx : 0)));
set_64bit_val(wqe, 56,
FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) |
FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx));
hdr = FLD_LS_64(cq->dev, cq->cq_uk.cq_id, IRDMA_CQPSQ_CQ_CQID) |
FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0),
IRDMA_CQPSQ_CQ_CEQID) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CQ) |
FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, check_overflow) |
FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) |
FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT,
cq->cq_uk.avoid_mem_cflct) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: CQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_cq_destroy - destroy completion q
* @cq: cq struct
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_cq_destroy(struct irdma_sc_cq *cq, u64 scratch, bool post_sq)
{
struct irdma_sc_cqp *cqp;
__le64 *wqe;
u64 hdr;
struct irdma_sc_ceq *ceq;
cqp = cq->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
ceq = cq->dev->ceq[cq->ceq_id];
if (ceq && ceq->reg_cq)
irdma_sc_remove_cq_ctx(ceq, cq);
set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
set_64bit_val(wqe, 8, (uintptr_t)cq >> 1);
set_64bit_val(wqe, 40, cq->shadow_area_pa);
set_64bit_val(wqe, 48,
(cq->virtual_map ? cq->first_pm_pbl_idx : 0));
hdr = cq->cq_uk.cq_id |
FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0),
IRDMA_CQPSQ_CQ_CEQID) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) |
FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) |
FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, cq->cq_uk.avoid_mem_cflct) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: CQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_cq_resize - set resized cq buffer info
* @cq: resized cq
* @info: resized cq buffer info
*/
void irdma_sc_cq_resize(struct irdma_sc_cq *cq, struct irdma_modify_cq_info *info)
{
cq->virtual_map = info->virtual_map;
cq->cq_pa = info->cq_pa;
cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
cq->pbl_chunk_size = info->pbl_chunk_size;
irdma_uk_cq_resize(&cq->cq_uk, info->cq_base, info->cq_size);
}
/**
* irdma_sc_cq_modify - modify a Completion Queue
* @cq: cq struct
* @info: modification info struct
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag to post to sq
*/
static int irdma_sc_cq_modify(struct irdma_sc_cq *cq,
struct irdma_modify_cq_info *info, u64 scratch,
bool post_sq)
{
struct irdma_sc_cqp *cqp;
__le64 *wqe;
u64 hdr;
u32 pble_obj_cnt;
pble_obj_cnt = cq->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
if (info->cq_resize && info->virtual_map &&
info->first_pm_pbl_idx >= pble_obj_cnt)
return -EINVAL;
cqp = cq->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 0, info->cq_size);
set_64bit_val(wqe, 8, (uintptr_t)cq >> 1);
set_64bit_val(wqe, 16,
FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, info->shadow_read_threshold));
set_64bit_val(wqe, 32, info->cq_pa);
set_64bit_val(wqe, 40, cq->shadow_area_pa);
set_64bit_val(wqe, 48, info->first_pm_pbl_idx);
set_64bit_val(wqe, 56,
FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) |
FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx));
hdr = cq->cq_uk.cq_id |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_CQ) |
FIELD_PREP(IRDMA_CQPSQ_CQ_CQRESIZE, info->cq_resize) |
FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, info->pbl_chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, info->check_overflow) |
FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, info->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT,
cq->cq_uk.avoid_mem_cflct) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: CQ_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_check_cqp_progress - check cqp processing progress
* @timeout: timeout info struct
* @dev: sc device struct
*/
void irdma_check_cqp_progress(struct irdma_cqp_timeout *timeout, struct irdma_sc_dev *dev)
{
u64 completed_ops = atomic64_read(&dev->cqp->completed_ops);
if (timeout->compl_cqp_cmds != completed_ops) {
timeout->compl_cqp_cmds = completed_ops;
timeout->count = 0;
} else if (timeout->compl_cqp_cmds != dev->cqp->requested_ops) {
timeout->count++;
}
}
/**
* irdma_get_cqp_reg_info - get head and tail for cqp using registers
* @cqp: struct for cqp hw
* @val: cqp tail register value
* @tail: wqtail register value
* @error: cqp processing err
*/
static inline void irdma_get_cqp_reg_info(struct irdma_sc_cqp *cqp, u32 *val,
u32 *tail, u32 *error)
{
*val = readl(cqp->dev->hw_regs[IRDMA_CQPTAIL]);
*tail = FIELD_GET(IRDMA_CQPTAIL_WQTAIL, *val);
*error = FIELD_GET(IRDMA_CQPTAIL_CQP_OP_ERR, *val);
}
/**
* irdma_cqp_poll_registers - poll cqp registers
* @cqp: struct for cqp hw
* @tail: wqtail register value
* @count: how many times to try for completion
*/
static int irdma_cqp_poll_registers(struct irdma_sc_cqp *cqp, u32 tail,
u32 count)
{
u32 i = 0;
u32 newtail, error, val;
while (i++ < count) {
irdma_get_cqp_reg_info(cqp, &val, &newtail, &error);
if (error) {
error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
ibdev_dbg(to_ibdev(cqp->dev),
"CQP: CQPERRCODES error_code[x%08X]\n",
error);
return -EIO;
}
if (newtail != tail) {
/* SUCCESS */
IRDMA_RING_MOVE_TAIL(cqp->sq_ring);
atomic64_inc(&cqp->completed_ops);
return 0;
}
udelay(cqp->dev->hw_attrs.max_sleep_count);
}
return -ETIMEDOUT;
}
/**
* irdma_sc_decode_fpm_commit - decode a 64 bit value into count and base
* @dev: sc device struct
* @buf: pointer to commit buffer
* @buf_idx: buffer index
* @obj_info: object info pointer
* @rsrc_idx: indexs of memory resource
*/
static u64 irdma_sc_decode_fpm_commit(struct irdma_sc_dev *dev, __le64 *buf,
u32 buf_idx, struct irdma_hmc_obj_info *obj_info,
u32 rsrc_idx)
{
u64 temp;
get_64bit_val(buf, buf_idx, &temp);
switch (rsrc_idx) {
case IRDMA_HMC_IW_QP:
obj_info[rsrc_idx].cnt = (u32)FIELD_GET(IRDMA_COMMIT_FPM_QPCNT, temp);
break;
case IRDMA_HMC_IW_CQ:
obj_info[rsrc_idx].cnt = (u32)FLD_RS_64(dev, temp, IRDMA_COMMIT_FPM_CQCNT);
break;
case IRDMA_HMC_IW_APBVT_ENTRY:
obj_info[rsrc_idx].cnt = 1;
break;
default:
obj_info[rsrc_idx].cnt = (u32)temp;
break;
}
obj_info[rsrc_idx].base = (temp >> IRDMA_COMMIT_FPM_BASE_S) * 512;
return temp;
}
/**
* irdma_sc_parse_fpm_commit_buf - parse fpm commit buffer
* @dev: pointer to dev struct
* @buf: ptr to fpm commit buffer
* @info: ptr to irdma_hmc_obj_info struct
* @sd: number of SDs for HMC objects
*
* parses fpm commit info and copy base value
* of hmc objects in hmc_info
*/
static void
irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev *dev, __le64 *buf,
struct irdma_hmc_obj_info *info, u32 *sd)
{
u64 size;
u32 i;
u64 max_base = 0;
u32 last_hmc_obj = 0;
irdma_sc_decode_fpm_commit(dev, buf, 0, info,
IRDMA_HMC_IW_QP);
irdma_sc_decode_fpm_commit(dev, buf, 8, info,
IRDMA_HMC_IW_CQ);
/* skiping RSRVD */
irdma_sc_decode_fpm_commit(dev, buf, 24, info,
IRDMA_HMC_IW_HTE);
irdma_sc_decode_fpm_commit(dev, buf, 32, info,
IRDMA_HMC_IW_ARP);
irdma_sc_decode_fpm_commit(dev, buf, 40, info,
IRDMA_HMC_IW_APBVT_ENTRY);
irdma_sc_decode_fpm_commit(dev, buf, 48, info,
IRDMA_HMC_IW_MR);
irdma_sc_decode_fpm_commit(dev, buf, 56, info,
IRDMA_HMC_IW_XF);
irdma_sc_decode_fpm_commit(dev, buf, 64, info,
IRDMA_HMC_IW_XFFL);
irdma_sc_decode_fpm_commit(dev, buf, 72, info,
IRDMA_HMC_IW_Q1);
irdma_sc_decode_fpm_commit(dev, buf, 80, info,
IRDMA_HMC_IW_Q1FL);
irdma_sc_decode_fpm_commit(dev, buf, 88, info,
IRDMA_HMC_IW_TIMER);
irdma_sc_decode_fpm_commit(dev, buf, 112, info,
IRDMA_HMC_IW_PBLE);
/* skipping RSVD. */
if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) {
irdma_sc_decode_fpm_commit(dev, buf, 96, info,
IRDMA_HMC_IW_FSIMC);
irdma_sc_decode_fpm_commit(dev, buf, 104, info,
IRDMA_HMC_IW_FSIAV);
irdma_sc_decode_fpm_commit(dev, buf, 128, info,
IRDMA_HMC_IW_RRF);
irdma_sc_decode_fpm_commit(dev, buf, 136, info,
IRDMA_HMC_IW_RRFFL);
irdma_sc_decode_fpm_commit(dev, buf, 144, info,
IRDMA_HMC_IW_HDR);
irdma_sc_decode_fpm_commit(dev, buf, 152, info,
IRDMA_HMC_IW_MD);
irdma_sc_decode_fpm_commit(dev, buf, 160, info,
IRDMA_HMC_IW_OOISC);
irdma_sc_decode_fpm_commit(dev, buf, 168, info,
IRDMA_HMC_IW_OOISCFFL);
}
/* searching for the last object in HMC to find the size of the HMC area. */
for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) {
if (info[i].base > max_base) {
max_base = info[i].base;
last_hmc_obj = i;
}
}
size = info[last_hmc_obj].cnt * info[last_hmc_obj].size +
info[last_hmc_obj].base;
if (size & 0x1FFFFF)
*sd = (u32)((size >> 21) + 1); /* add 1 for remainder */
else
*sd = (u32)(size >> 21);
}
/**
* irdma_sc_decode_fpm_query() - Decode a 64 bit value into max count and size
* @buf: ptr to fpm query buffer
* @buf_idx: index into buf
* @obj_info: ptr to irdma_hmc_obj_info struct
* @rsrc_idx: resource index into info
*
* Decode a 64 bit value from fpm query buffer into max count and size
*/
static u64 irdma_sc_decode_fpm_query(__le64 *buf, u32 buf_idx,
struct irdma_hmc_obj_info *obj_info,
u32 rsrc_idx)
{
u64 temp;
u32 size;
get_64bit_val(buf, buf_idx, &temp);
obj_info[rsrc_idx].max_cnt = (u32)temp;
size = (u32)(temp >> 32);
obj_info[rsrc_idx].size = BIT_ULL(size);
return temp;
}
/**
* irdma_sc_parse_fpm_query_buf() - parses fpm query buffer
* @dev: ptr to shared code device
* @buf: ptr to fpm query buffer
* @hmc_info: ptr to irdma_hmc_obj_info struct
* @hmc_fpm_misc: ptr to fpm data
*
* parses fpm query buffer and copy max_cnt and
* size value of hmc objects in hmc_info
*/
static int irdma_sc_parse_fpm_query_buf(struct irdma_sc_dev *dev, __le64 *buf,
struct irdma_hmc_info *hmc_info,
struct irdma_hmc_fpm_misc *hmc_fpm_misc)
{
struct irdma_hmc_obj_info *obj_info;
u64 temp;
u32 size;
u16 max_pe_sds;
obj_info = hmc_info->hmc_obj;
get_64bit_val(buf, 0, &temp);
hmc_info->first_sd_index = (u16)FIELD_GET(IRDMA_QUERY_FPM_FIRST_PE_SD_INDEX, temp);
max_pe_sds = (u16)FIELD_GET(IRDMA_QUERY_FPM_MAX_PE_SDS, temp);
hmc_fpm_misc->max_sds = max_pe_sds;
hmc_info->sd_table.sd_cnt = max_pe_sds + hmc_info->first_sd_index;
get_64bit_val(buf, 8, &temp);
obj_info[IRDMA_HMC_IW_QP].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_QPS, temp);
size = (u32)(temp >> 32);
obj_info[IRDMA_HMC_IW_QP].size = BIT_ULL(size);
get_64bit_val(buf, 16, &temp);
obj_info[IRDMA_HMC_IW_CQ].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_CQS, temp);
size = (u32)(temp >> 32);
obj_info[IRDMA_HMC_IW_CQ].size = BIT_ULL(size);
irdma_sc_decode_fpm_query(buf, 32, obj_info, IRDMA_HMC_IW_HTE);
irdma_sc_decode_fpm_query(buf, 40, obj_info, IRDMA_HMC_IW_ARP);
obj_info[IRDMA_HMC_IW_APBVT_ENTRY].size = 8192;
obj_info[IRDMA_HMC_IW_APBVT_ENTRY].max_cnt = 1;
irdma_sc_decode_fpm_query(buf, 48, obj_info, IRDMA_HMC_IW_MR);
irdma_sc_decode_fpm_query(buf, 56, obj_info, IRDMA_HMC_IW_XF);
get_64bit_val(buf, 64, &temp);
obj_info[IRDMA_HMC_IW_XFFL].max_cnt = (u32)temp;
obj_info[IRDMA_HMC_IW_XFFL].size = 4;
hmc_fpm_misc->xf_block_size = FIELD_GET(IRDMA_QUERY_FPM_XFBLOCKSIZE, temp);
if (!hmc_fpm_misc->xf_block_size)
return -EINVAL;
irdma_sc_decode_fpm_query(buf, 72, obj_info, IRDMA_HMC_IW_Q1);
get_64bit_val(buf, 80, &temp);
obj_info[IRDMA_HMC_IW_Q1FL].max_cnt = (u32)temp;
obj_info[IRDMA_HMC_IW_Q1FL].size = 4;
hmc_fpm_misc->q1_block_size = FIELD_GET(IRDMA_QUERY_FPM_Q1BLOCKSIZE, temp);
if (!hmc_fpm_misc->q1_block_size)
return -EINVAL;
irdma_sc_decode_fpm_query(buf, 88, obj_info, IRDMA_HMC_IW_TIMER);
get_64bit_val(buf, 112, &temp);
obj_info[IRDMA_HMC_IW_PBLE].max_cnt = (u32)temp;
obj_info[IRDMA_HMC_IW_PBLE].size = 8;
get_64bit_val(buf, 120, &temp);
hmc_fpm_misc->max_ceqs = FIELD_GET(IRDMA_QUERY_FPM_MAX_CEQS, temp);
hmc_fpm_misc->ht_multiplier = FIELD_GET(IRDMA_QUERY_FPM_HTMULTIPLIER, temp);
hmc_fpm_misc->timer_bucket = FIELD_GET(IRDMA_QUERY_FPM_TIMERBUCKET, temp);
if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
return 0;
irdma_sc_decode_fpm_query(buf, 96, obj_info, IRDMA_HMC_IW_FSIMC);
irdma_sc_decode_fpm_query(buf, 104, obj_info, IRDMA_HMC_IW_FSIAV);
irdma_sc_decode_fpm_query(buf, 128, obj_info, IRDMA_HMC_IW_RRF);
get_64bit_val(buf, 136, &temp);
obj_info[IRDMA_HMC_IW_RRFFL].max_cnt = (u32)temp;
obj_info[IRDMA_HMC_IW_RRFFL].size = 4;
hmc_fpm_misc->rrf_block_size = FIELD_GET(IRDMA_QUERY_FPM_RRFBLOCKSIZE, temp);
if (!hmc_fpm_misc->rrf_block_size &&
obj_info[IRDMA_HMC_IW_RRFFL].max_cnt)
return -EINVAL;
irdma_sc_decode_fpm_query(buf, 144, obj_info, IRDMA_HMC_IW_HDR);
irdma_sc_decode_fpm_query(buf, 152, obj_info, IRDMA_HMC_IW_MD);
irdma_sc_decode_fpm_query(buf, 160, obj_info, IRDMA_HMC_IW_OOISC);
get_64bit_val(buf, 168, &temp);
obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt = (u32)temp;
obj_info[IRDMA_HMC_IW_OOISCFFL].size = 4;
hmc_fpm_misc->ooiscf_block_size = FIELD_GET(IRDMA_QUERY_FPM_OOISCFBLOCKSIZE, temp);
if (!hmc_fpm_misc->ooiscf_block_size &&
obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt)
return -EINVAL;
return 0;
}
/**
* irdma_sc_find_reg_cq - find cq ctx index
* @ceq: ceq sc structure
* @cq: cq sc structure
*/
static u32 irdma_sc_find_reg_cq(struct irdma_sc_ceq *ceq,
struct irdma_sc_cq *cq)
{
u32 i;
for (i = 0; i < ceq->reg_cq_size; i++) {
if (cq == ceq->reg_cq[i])
return i;
}
return IRDMA_INVALID_CQ_IDX;
}
/**
* irdma_sc_add_cq_ctx - add cq ctx tracking for ceq
* @ceq: ceq sc structure
* @cq: cq sc structure
*/
int irdma_sc_add_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq)
{
unsigned long flags;
spin_lock_irqsave(&ceq->req_cq_lock, flags);
if (ceq->reg_cq_size == ceq->elem_cnt) {
spin_unlock_irqrestore(&ceq->req_cq_lock, flags);
return -ENOMEM;
}
ceq->reg_cq[ceq->reg_cq_size++] = cq;
spin_unlock_irqrestore(&ceq->req_cq_lock, flags);
return 0;
}
/**
* irdma_sc_remove_cq_ctx - remove cq ctx tracking for ceq
* @ceq: ceq sc structure
* @cq: cq sc structure
*/
void irdma_sc_remove_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq)
{
unsigned long flags;
u32 cq_ctx_idx;
spin_lock_irqsave(&ceq->req_cq_lock, flags);
cq_ctx_idx = irdma_sc_find_reg_cq(ceq, cq);
if (cq_ctx_idx == IRDMA_INVALID_CQ_IDX)
goto exit;
ceq->reg_cq_size--;
if (cq_ctx_idx != ceq->reg_cq_size)
ceq->reg_cq[cq_ctx_idx] = ceq->reg_cq[ceq->reg_cq_size];
ceq->reg_cq[ceq->reg_cq_size] = NULL;
exit:
spin_unlock_irqrestore(&ceq->req_cq_lock, flags);
}
/**
* irdma_sc_cqp_init - Initialize buffers for a control Queue Pair
* @cqp: IWARP control queue pair pointer
* @info: IWARP control queue pair init info pointer
*
* Initializes the object and context buffers for a control Queue Pair.
*/
int irdma_sc_cqp_init(struct irdma_sc_cqp *cqp,
struct irdma_cqp_init_info *info)
{
u8 hw_sq_size;
if (info->sq_size > IRDMA_CQP_SW_SQSIZE_2048 ||
info->sq_size < IRDMA_CQP_SW_SQSIZE_4 ||
((info->sq_size & (info->sq_size - 1))))
return -EINVAL;
hw_sq_size = irdma_get_encoded_wqe_size(info->sq_size,
IRDMA_QUEUE_TYPE_CQP);
cqp->size = sizeof(*cqp);
cqp->sq_size = info->sq_size;
cqp->hw_sq_size = hw_sq_size;
cqp->sq_base = info->sq;
cqp->host_ctx = info->host_ctx;
cqp->sq_pa = info->sq_pa;
cqp->host_ctx_pa = info->host_ctx_pa;
cqp->dev = info->dev;
cqp->struct_ver = info->struct_ver;
cqp->hw_maj_ver = info->hw_maj_ver;
cqp->hw_min_ver = info->hw_min_ver;
cqp->scratch_array = info->scratch_array;
cqp->polarity = 0;
cqp->en_datacenter_tcp = info->en_datacenter_tcp;
cqp->ena_vf_count = info->ena_vf_count;
cqp->hmc_profile = info->hmc_profile;
cqp->ceqs_per_vf = info->ceqs_per_vf;
cqp->disable_packed = info->disable_packed;
cqp->rocev2_rto_policy = info->rocev2_rto_policy;
cqp->protocol_used = info->protocol_used;
memcpy(&cqp->dcqcn_params, &info->dcqcn_params, sizeof(cqp->dcqcn_params));
info->dev->cqp = cqp;
IRDMA_RING_INIT(cqp->sq_ring, cqp->sq_size);
cqp->requested_ops = 0;
atomic64_set(&cqp->completed_ops, 0);
/* for the cqp commands backlog. */
INIT_LIST_HEAD(&cqp->dev->cqp_cmd_head);
writel(0, cqp->dev->hw_regs[IRDMA_CQPTAIL]);
writel(0, cqp->dev->hw_regs[IRDMA_CQPDB]);
writel(0, cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
ibdev_dbg(to_ibdev(cqp->dev),
"WQE: sq_size[%04d] hw_sq_size[%04d] sq_base[%p] sq_pa[%pK] cqp[%p] polarity[x%04x]\n",
cqp->sq_size, cqp->hw_sq_size, cqp->sq_base,
(u64 *)(uintptr_t)cqp->sq_pa, cqp, cqp->polarity);
return 0;
}
/**
* irdma_sc_cqp_create - create cqp during bringup
* @cqp: struct for cqp hw
* @maj_err: If error, major err number
* @min_err: If error, minor err number
*/
int irdma_sc_cqp_create(struct irdma_sc_cqp *cqp, u16 *maj_err, u16 *min_err)
{
u64 temp;
u8 hw_rev;
u32 cnt = 0, p1, p2, val = 0, err_code;
int ret_code;
hw_rev = cqp->dev->hw_attrs.uk_attrs.hw_rev;
cqp->sdbuf.size = ALIGN(IRDMA_UPDATE_SD_BUFF_SIZE * cqp->sq_size,
IRDMA_SD_BUF_ALIGNMENT);
cqp->sdbuf.va = dma_alloc_coherent(cqp->dev->hw->device,
cqp->sdbuf.size, &cqp->sdbuf.pa,
GFP_KERNEL);
if (!cqp->sdbuf.va)
return -ENOMEM;
spin_lock_init(&cqp->dev->cqp_lock);
temp = FIELD_PREP(IRDMA_CQPHC_SQSIZE, cqp->hw_sq_size) |
FIELD_PREP(IRDMA_CQPHC_SVER, cqp->struct_ver) |
FIELD_PREP(IRDMA_CQPHC_DISABLE_PFPDUS, cqp->disable_packed) |
FIELD_PREP(IRDMA_CQPHC_CEQPERVF, cqp->ceqs_per_vf);
if (hw_rev >= IRDMA_GEN_2) {
temp |= FIELD_PREP(IRDMA_CQPHC_ROCEV2_RTO_POLICY,
cqp->rocev2_rto_policy) |
FIELD_PREP(IRDMA_CQPHC_PROTOCOL_USED,
cqp->protocol_used);
}
set_64bit_val(cqp->host_ctx, 0, temp);
set_64bit_val(cqp->host_ctx, 8, cqp->sq_pa);
temp = FIELD_PREP(IRDMA_CQPHC_ENABLED_VFS, cqp->ena_vf_count) |
FIELD_PREP(IRDMA_CQPHC_HMC_PROFILE, cqp->hmc_profile);
set_64bit_val(cqp->host_ctx, 16, temp);
set_64bit_val(cqp->host_ctx, 24, (uintptr_t)cqp);
temp = FIELD_PREP(IRDMA_CQPHC_HW_MAJVER, cqp->hw_maj_ver) |
FIELD_PREP(IRDMA_CQPHC_HW_MINVER, cqp->hw_min_ver);
if (hw_rev >= IRDMA_GEN_2) {
temp |= FIELD_PREP(IRDMA_CQPHC_MIN_RATE, cqp->dcqcn_params.min_rate) |
FIELD_PREP(IRDMA_CQPHC_MIN_DEC_FACTOR, cqp->dcqcn_params.min_dec_factor);
}
set_64bit_val(cqp->host_ctx, 32, temp);
set_64bit_val(cqp->host_ctx, 40, 0);
temp = 0;
if (hw_rev >= IRDMA_GEN_2) {
temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_T, cqp->dcqcn_params.dcqcn_t) |
FIELD_PREP(IRDMA_CQPHC_RAI_FACTOR, cqp->dcqcn_params.rai_factor) |
FIELD_PREP(IRDMA_CQPHC_HAI_FACTOR, cqp->dcqcn_params.hai_factor);
}
set_64bit_val(cqp->host_ctx, 48, temp);
temp = 0;
if (hw_rev >= IRDMA_GEN_2) {
temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_B, cqp->dcqcn_params.dcqcn_b) |
FIELD_PREP(IRDMA_CQPHC_DCQCN_F, cqp->dcqcn_params.dcqcn_f) |
FIELD_PREP(IRDMA_CQPHC_CC_CFG_VALID, cqp->dcqcn_params.cc_cfg_valid) |
FIELD_PREP(IRDMA_CQPHC_RREDUCE_MPERIOD, cqp->dcqcn_params.rreduce_mperiod);
}
set_64bit_val(cqp->host_ctx, 56, temp);
print_hex_dump_debug("WQE: CQP_HOST_CTX WQE", DUMP_PREFIX_OFFSET, 16,
8, cqp->host_ctx, IRDMA_CQP_CTX_SIZE * 8, false);
p1 = cqp->host_ctx_pa >> 32;
p2 = (u32)cqp->host_ctx_pa;
writel(p1, cqp->dev->hw_regs[IRDMA_CCQPHIGH]);
writel(p2, cqp->dev->hw_regs[IRDMA_CCQPLOW]);
do {
if (cnt++ > cqp->dev->hw_attrs.max_done_count) {
ret_code = -ETIMEDOUT;
goto err;
}
udelay(cqp->dev->hw_attrs.max_sleep_count);
val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
} while (!val);
if (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_ERR)) {
ret_code = -EOPNOTSUPP;
goto err;
}
cqp->process_cqp_sds = irdma_update_sds_noccq;
return 0;
err:
dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size,
cqp->sdbuf.va, cqp->sdbuf.pa);
cqp->sdbuf.va = NULL;
err_code = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
*min_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MINOR_CODE, err_code);
*maj_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MAJOR_CODE, err_code);
return ret_code;
}
/**
* irdma_sc_cqp_post_sq - post of cqp's sq
* @cqp: struct for cqp hw
*/
void irdma_sc_cqp_post_sq(struct irdma_sc_cqp *cqp)
{
writel(IRDMA_RING_CURRENT_HEAD(cqp->sq_ring), cqp->dev->cqp_db);
ibdev_dbg(to_ibdev(cqp->dev),
"WQE: CQP SQ head 0x%x tail 0x%x size 0x%x\n",
cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size);
}
/**
* irdma_sc_cqp_get_next_send_wqe_idx - get next wqe on cqp sq
* and pass back index
* @cqp: CQP HW structure
* @scratch: private data for CQP WQE
* @wqe_idx: WQE index of CQP SQ
*/
__le64 *irdma_sc_cqp_get_next_send_wqe_idx(struct irdma_sc_cqp *cqp, u64 scratch,
u32 *wqe_idx)
{
__le64 *wqe = NULL;
int ret_code;
if (IRDMA_RING_FULL_ERR(cqp->sq_ring)) {
ibdev_dbg(to_ibdev(cqp->dev),
"WQE: CQP SQ is full, head 0x%x tail 0x%x size 0x%x\n",
cqp->sq_ring.head, cqp->sq_ring.tail,
cqp->sq_ring.size);
return NULL;
}
IRDMA_ATOMIC_RING_MOVE_HEAD(cqp->sq_ring, *wqe_idx, ret_code);
if (ret_code)
return NULL;
cqp->requested_ops++;
if (!*wqe_idx)
cqp->polarity = !cqp->polarity;
wqe = cqp->sq_base[*wqe_idx].elem;
cqp->scratch_array[*wqe_idx] = scratch;
IRDMA_CQP_INIT_WQE(wqe);
return wqe;
}
/**
* irdma_sc_cqp_destroy - destroy cqp during close
* @cqp: struct for cqp hw
*/
int irdma_sc_cqp_destroy(struct irdma_sc_cqp *cqp)
{
u32 cnt = 0, val;
int ret_code = 0;
writel(0, cqp->dev->hw_regs[IRDMA_CCQPHIGH]);
writel(0, cqp->dev->hw_regs[IRDMA_CCQPLOW]);
do {
if (cnt++ > cqp->dev->hw_attrs.max_done_count) {
ret_code = -ETIMEDOUT;
break;
}
udelay(cqp->dev->hw_attrs.max_sleep_count);
val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
} while (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_DONE));
dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size,
cqp->sdbuf.va, cqp->sdbuf.pa);
cqp->sdbuf.va = NULL;
return ret_code;
}
/**
* irdma_sc_ccq_arm - enable intr for control cq
* @ccq: ccq sc struct
*/
void irdma_sc_ccq_arm(struct irdma_sc_cq *ccq)
{
u64 temp_val;
u16 sw_cq_sel;
u8 arm_next_se;
u8 arm_seq_num;
get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val);
sw_cq_sel = (u16)FIELD_GET(IRDMA_CQ_DBSA_SW_CQ_SELECT, temp_val);
arm_next_se = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_NEXT_SE, temp_val);
arm_seq_num = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_SEQ_NUM, temp_val);
arm_seq_num++;
temp_val = FIELD_PREP(IRDMA_CQ_DBSA_ARM_SEQ_NUM, arm_seq_num) |
FIELD_PREP(IRDMA_CQ_DBSA_SW_CQ_SELECT, sw_cq_sel) |
FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT_SE, arm_next_se) |
FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT, 1);
set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val);
dma_wmb(); /* make sure shadow area is updated before arming */
writel(ccq->cq_uk.cq_id, ccq->dev->cq_arm_db);
}
/**
* irdma_sc_ccq_get_cqe_info - get ccq's cq entry
* @ccq: ccq sc struct
* @info: completion q entry to return
*/
int irdma_sc_ccq_get_cqe_info(struct irdma_sc_cq *ccq,
struct irdma_ccq_cqe_info *info)
{
u64 qp_ctx, temp, temp1;
__le64 *cqe;
struct irdma_sc_cqp *cqp;
u32 wqe_idx;
u32 error;
u8 polarity;
int ret_code = 0;
if (ccq->cq_uk.avoid_mem_cflct)
cqe = IRDMA_GET_CURRENT_EXTENDED_CQ_ELEM(&ccq->cq_uk);
else
cqe = IRDMA_GET_CURRENT_CQ_ELEM(&ccq->cq_uk);
get_64bit_val(cqe, 24, &temp);
polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, temp);
if (polarity != ccq->cq_uk.polarity)
return -ENOENT;
/* Ensure CEQE contents are read after valid bit is checked */
dma_rmb();
get_64bit_val(cqe, 8, &qp_ctx);
cqp = (struct irdma_sc_cqp *)(unsigned long)qp_ctx;
info->error = (bool)FIELD_GET(IRDMA_CQ_ERROR, temp);
info->maj_err_code = IRDMA_CQPSQ_MAJ_NO_ERROR;
info->min_err_code = (u16)FIELD_GET(IRDMA_CQ_MINERR, temp);
if (info->error) {
info->maj_err_code = (u16)FIELD_GET(IRDMA_CQ_MAJERR, temp);
error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
ibdev_dbg(to_ibdev(cqp->dev),
"CQP: CQPERRCODES error_code[x%08X]\n", error);
}
wqe_idx = (u32)FIELD_GET(IRDMA_CQ_WQEIDX, temp);
info->scratch = cqp->scratch_array[wqe_idx];
get_64bit_val(cqe, 16, &temp1);
info->op_ret_val = (u32)FIELD_GET(IRDMA_CCQ_OPRETVAL, temp1);
get_64bit_val(cqp->sq_base[wqe_idx].elem, 24, &temp1);
info->op_code = (u8)FIELD_GET(IRDMA_CQPSQ_OPCODE, temp1);
info->cqp = cqp;
/* move the head for cq */
IRDMA_RING_MOVE_HEAD(ccq->cq_uk.cq_ring, ret_code);
if (!IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring))
ccq->cq_uk.polarity ^= 1;
/* update cq tail in cq shadow memory also */
IRDMA_RING_MOVE_TAIL(ccq->cq_uk.cq_ring);
set_64bit_val(ccq->cq_uk.shadow_area, 0,
IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring));
dma_wmb(); /* make sure shadow area is updated before moving tail */
IRDMA_RING_MOVE_TAIL(cqp->sq_ring);
atomic64_inc(&cqp->completed_ops);
return ret_code;
}
/**
* irdma_sc_poll_for_cqp_op_done - Waits for last write to complete in CQP SQ
* @cqp: struct for cqp hw
* @op_code: cqp opcode for completion
* @compl_info: completion q entry to return
*/
int irdma_sc_poll_for_cqp_op_done(struct irdma_sc_cqp *cqp, u8 op_code,
struct irdma_ccq_cqe_info *compl_info)
{
struct irdma_ccq_cqe_info info = {};
struct irdma_sc_cq *ccq;
int ret_code = 0;
u32 cnt = 0;
ccq = cqp->dev->ccq;
while (1) {
if (cnt++ > 100 * cqp->dev->hw_attrs.max_done_count)
return -ETIMEDOUT;
if (irdma_sc_ccq_get_cqe_info(ccq, &info)) {
udelay(cqp->dev->hw_attrs.max_sleep_count);
continue;
}
if (info.error && info.op_code != IRDMA_CQP_OP_QUERY_STAG) {
ret_code = -EIO;
break;
}
/* make sure op code matches*/
if (op_code == info.op_code)
break;
ibdev_dbg(to_ibdev(cqp->dev),
"WQE: opcode mismatch for my op code 0x%x, returned opcode %x\n",
op_code, info.op_code);
}
if (compl_info)
memcpy(compl_info, &info, sizeof(*compl_info));
return ret_code;
}
/**
* irdma_sc_manage_hmc_pm_func_table - manage of function table
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @info: info for the manage function table operation
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_manage_hmc_pm_func_table(struct irdma_sc_cqp *cqp,
struct irdma_hmc_fcn_info *info,
u64 scratch, bool post_sq)
{
__le64 *wqe;
u64 hdr;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 0, 0);
set_64bit_val(wqe, 8, 0);
set_64bit_val(wqe, 16, 0);
set_64bit_val(wqe, 32, 0);
set_64bit_val(wqe, 40, 0);
set_64bit_val(wqe, 48, 0);
set_64bit_val(wqe, 56, 0);
hdr = FIELD_PREP(IRDMA_CQPSQ_MHMC_VFIDX, info->vf_id) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE,
IRDMA_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE) |
FIELD_PREP(IRDMA_CQPSQ_MHMC_FREEPMFN, info->free_fcn) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: MANAGE_HMC_PM_FUNC_TABLE WQE",
DUMP_PREFIX_OFFSET, 16, 8, wqe,
IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_commit_fpm_val_done - wait for cqp eqe completion
* for fpm commit
* @cqp: struct for cqp hw
*/
static int irdma_sc_commit_fpm_val_done(struct irdma_sc_cqp *cqp)
{
return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_COMMIT_FPM_VAL,
NULL);
}
/**
* irdma_sc_commit_fpm_val - cqp wqe for commit fpm values
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @hmc_fn_id: hmc function id
* @commit_fpm_mem: Memory for fpm values
* @post_sq: flag for cqp db to ring
* @wait_type: poll ccq or cqp registers for cqp completion
*/
static int irdma_sc_commit_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch,
u8 hmc_fn_id,
struct irdma_dma_mem *commit_fpm_mem,
bool post_sq, u8 wait_type)
{
__le64 *wqe;
u64 hdr;
u32 tail, val, error;
int ret_code = 0;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, hmc_fn_id);
set_64bit_val(wqe, 32, commit_fpm_mem->pa);
hdr = FIELD_PREP(IRDMA_CQPSQ_BUFSIZE, IRDMA_COMMIT_FPM_BUF_SIZE) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_COMMIT_FPM_VAL) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: COMMIT_FPM_VAL WQE", DUMP_PREFIX_OFFSET,
16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
if (post_sq) {
irdma_sc_cqp_post_sq(cqp);
if (wait_type == IRDMA_CQP_WAIT_POLL_REGS)
ret_code = irdma_cqp_poll_registers(cqp, tail,
cqp->dev->hw_attrs.max_done_count);
else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ)
ret_code = irdma_sc_commit_fpm_val_done(cqp);
}
return ret_code;
}
/**
* irdma_sc_query_fpm_val_done - poll for cqp wqe completion for
* query fpm
* @cqp: struct for cqp hw
*/
static int irdma_sc_query_fpm_val_done(struct irdma_sc_cqp *cqp)
{
return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_QUERY_FPM_VAL,
NULL);
}
/**
* irdma_sc_query_fpm_val - cqp wqe query fpm values
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @hmc_fn_id: hmc function id
* @query_fpm_mem: memory for return fpm values
* @post_sq: flag for cqp db to ring
* @wait_type: poll ccq or cqp registers for cqp completion
*/
static int irdma_sc_query_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch,
u8 hmc_fn_id,
struct irdma_dma_mem *query_fpm_mem,
bool post_sq, u8 wait_type)
{
__le64 *wqe;
u64 hdr;
u32 tail, val, error;
int ret_code = 0;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, hmc_fn_id);
set_64bit_val(wqe, 32, query_fpm_mem->pa);
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_QUERY_FPM_VAL) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: QUERY_FPM WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
if (post_sq) {
irdma_sc_cqp_post_sq(cqp);
if (wait_type == IRDMA_CQP_WAIT_POLL_REGS)
ret_code = irdma_cqp_poll_registers(cqp, tail,
cqp->dev->hw_attrs.max_done_count);
else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ)
ret_code = irdma_sc_query_fpm_val_done(cqp);
}
return ret_code;
}
/**
* irdma_sc_ceq_init - initialize ceq
* @ceq: ceq sc structure
* @info: ceq initialization info
*/
int irdma_sc_ceq_init(struct irdma_sc_ceq *ceq,
struct irdma_ceq_init_info *info)
{
u32 pble_obj_cnt;
if (info->elem_cnt < info->dev->hw_attrs.min_hw_ceq_size ||
info->elem_cnt > info->dev->hw_attrs.max_hw_ceq_size)
return -EINVAL;
if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs)
return -EINVAL;
pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
return -EINVAL;
ceq->size = sizeof(*ceq);
ceq->ceqe_base = (struct irdma_ceqe *)info->ceqe_base;
ceq->ceq_id = info->ceq_id;
ceq->dev = info->dev;
ceq->elem_cnt = info->elem_cnt;
ceq->ceq_elem_pa = info->ceqe_pa;
ceq->virtual_map = info->virtual_map;
ceq->itr_no_expire = info->itr_no_expire;
ceq->reg_cq = info->reg_cq;
ceq->reg_cq_size = 0;
spin_lock_init(&ceq->req_cq_lock);
ceq->pbl_chunk_size = (ceq->virtual_map ? info->pbl_chunk_size : 0);
ceq->first_pm_pbl_idx = (ceq->virtual_map ? info->first_pm_pbl_idx : 0);
ceq->pbl_list = (ceq->virtual_map ? info->pbl_list : NULL);
ceq->tph_en = info->tph_en;
ceq->tph_val = info->tph_val;
ceq->vsi = info->vsi;
ceq->polarity = 1;
IRDMA_RING_INIT(ceq->ceq_ring, ceq->elem_cnt);
ceq->dev->ceq[info->ceq_id] = ceq;
return 0;
}
/**
* irdma_sc_ceq_create - create ceq wqe
* @ceq: ceq sc structure
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_ceq_create(struct irdma_sc_ceq *ceq, u64 scratch,
bool post_sq)
{
struct irdma_sc_cqp *cqp;
__le64 *wqe;
u64 hdr;
cqp = ceq->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, ceq->elem_cnt);
set_64bit_val(wqe, 32,
(ceq->virtual_map ? 0 : ceq->ceq_elem_pa));
set_64bit_val(wqe, 48,
(ceq->virtual_map ? ceq->first_pm_pbl_idx : 0));
set_64bit_val(wqe, 56,
FIELD_PREP(IRDMA_CQPSQ_TPHVAL, ceq->tph_val) |
FIELD_PREP(IRDMA_CQPSQ_VSIIDX, ceq->vsi->vsi_idx));
hdr = FIELD_PREP(IRDMA_CQPSQ_CEQ_CEQID, ceq->ceq_id) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CEQ) |
FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_CEQ_ITRNOEXPIRE, ceq->itr_no_expire) |
FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: CEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_cceq_create_done - poll for control ceq wqe to complete
* @ceq: ceq sc structure
*/
static int irdma_sc_cceq_create_done(struct irdma_sc_ceq *ceq)
{
struct irdma_sc_cqp *cqp;
cqp = ceq->dev->cqp;
return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CEQ,
NULL);
}
/**
* irdma_sc_cceq_destroy_done - poll for destroy cceq to complete
* @ceq: ceq sc structure
*/
int irdma_sc_cceq_destroy_done(struct irdma_sc_ceq *ceq)
{
struct irdma_sc_cqp *cqp;
if (ceq->reg_cq)
irdma_sc_remove_cq_ctx(ceq, ceq->dev->ccq);
cqp = ceq->dev->cqp;
cqp->process_cqp_sds = irdma_update_sds_noccq;
return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_DESTROY_CEQ,
NULL);
}
/**
* irdma_sc_cceq_create - create cceq
* @ceq: ceq sc structure
* @scratch: u64 saved to be used during cqp completion
*/
int irdma_sc_cceq_create(struct irdma_sc_ceq *ceq, u64 scratch)
{
int ret_code;
struct irdma_sc_dev *dev = ceq->dev;
dev->ccq->vsi = ceq->vsi;
if (ceq->reg_cq) {
ret_code = irdma_sc_add_cq_ctx(ceq, ceq->dev->ccq);
if (ret_code)
return ret_code;
}
ret_code = irdma_sc_ceq_create(ceq, scratch, true);
if (!ret_code)
return irdma_sc_cceq_create_done(ceq);
return ret_code;
}
/**
* irdma_sc_ceq_destroy - destroy ceq
* @ceq: ceq sc structure
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_ceq_destroy(struct irdma_sc_ceq *ceq, u64 scratch, bool post_sq)
{
struct irdma_sc_cqp *cqp;
__le64 *wqe;
u64 hdr;
cqp = ceq->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, ceq->elem_cnt);
set_64bit_val(wqe, 48, ceq->first_pm_pbl_idx);
hdr = ceq->ceq_id |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CEQ) |
FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: CEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_process_ceq - process ceq
* @dev: sc device struct
* @ceq: ceq sc structure
*
* It is expected caller serializes this function with cleanup_ceqes()
* because these functions manipulate the same ceq
*/
void *irdma_sc_process_ceq(struct irdma_sc_dev *dev, struct irdma_sc_ceq *ceq)
{
u64 temp;
__le64 *ceqe;
struct irdma_sc_cq *cq = NULL;
struct irdma_sc_cq *temp_cq;
u8 polarity;
u32 cq_idx;
unsigned long flags;
do {
cq_idx = 0;
ceqe = IRDMA_GET_CURRENT_CEQ_ELEM(ceq);
get_64bit_val(ceqe, 0, &temp);
polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp);
if (polarity != ceq->polarity)
return NULL;
temp_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1);
if (!temp_cq) {
cq_idx = IRDMA_INVALID_CQ_IDX;
IRDMA_RING_MOVE_TAIL(ceq->ceq_ring);
if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring))
ceq->polarity ^= 1;
continue;
}
cq = temp_cq;
if (ceq->reg_cq) {
spin_lock_irqsave(&ceq->req_cq_lock, flags);
cq_idx = irdma_sc_find_reg_cq(ceq, cq);
spin_unlock_irqrestore(&ceq->req_cq_lock, flags);
}
IRDMA_RING_MOVE_TAIL(ceq->ceq_ring);
if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring))
ceq->polarity ^= 1;
} while (cq_idx == IRDMA_INVALID_CQ_IDX);
if (cq)
irdma_sc_cq_ack(cq);
return cq;
}
/**
* irdma_sc_cleanup_ceqes - clear the valid ceqes ctx matching the cq
* @cq: cq for which the ceqes need to be cleaned up
* @ceq: ceq ptr
*
* The function is called after the cq is destroyed to cleanup
* its pending ceqe entries. It is expected caller serializes this
* function with process_ceq() in interrupt context.
*/
void irdma_sc_cleanup_ceqes(struct irdma_sc_cq *cq, struct irdma_sc_ceq *ceq)
{
struct irdma_sc_cq *next_cq;
u8 ceq_polarity = ceq->polarity;
__le64 *ceqe;
u8 polarity;
u64 temp;
int next;
u32 i;
next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, 0);
for (i = 1; i <= IRDMA_RING_SIZE(*ceq); i++) {
ceqe = IRDMA_GET_CEQ_ELEM_AT_POS(ceq, next);
get_64bit_val(ceqe, 0, &temp);
polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp);
if (polarity != ceq_polarity)
return;
next_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1);
if (cq == next_cq)
set_64bit_val(ceqe, 0, temp & IRDMA_CEQE_VALID);
next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, i);
if (!next)
ceq_polarity ^= 1;
}
}
/**
* irdma_sc_aeq_init - initialize aeq
* @aeq: aeq structure ptr
* @info: aeq initialization info
*/
int irdma_sc_aeq_init(struct irdma_sc_aeq *aeq,
struct irdma_aeq_init_info *info)
{
u32 pble_obj_cnt;
if (info->elem_cnt < info->dev->hw_attrs.min_hw_aeq_size ||
info->elem_cnt > info->dev->hw_attrs.max_hw_aeq_size)
return -EINVAL;
pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
return -EINVAL;
aeq->size = sizeof(*aeq);
aeq->polarity = 1;
aeq->aeqe_base = (struct irdma_sc_aeqe *)info->aeqe_base;
aeq->dev = info->dev;
aeq->elem_cnt = info->elem_cnt;
aeq->aeq_elem_pa = info->aeq_elem_pa;
IRDMA_RING_INIT(aeq->aeq_ring, aeq->elem_cnt);
aeq->virtual_map = info->virtual_map;
aeq->pbl_list = (aeq->virtual_map ? info->pbl_list : NULL);
aeq->pbl_chunk_size = (aeq->virtual_map ? info->pbl_chunk_size : 0);
aeq->first_pm_pbl_idx = (aeq->virtual_map ? info->first_pm_pbl_idx : 0);
aeq->msix_idx = info->msix_idx;
info->dev->aeq = aeq;
return 0;
}
/**
* irdma_sc_aeq_create - create aeq
* @aeq: aeq structure ptr
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_aeq_create(struct irdma_sc_aeq *aeq, u64 scratch,
bool post_sq)
{
__le64 *wqe;
struct irdma_sc_cqp *cqp;
u64 hdr;
cqp = aeq->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, aeq->elem_cnt);
set_64bit_val(wqe, 32,
(aeq->virtual_map ? 0 : aeq->aeq_elem_pa));
set_64bit_val(wqe, 48,
(aeq->virtual_map ? aeq->first_pm_pbl_idx : 0));
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_AEQ) |
FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: AEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_aeq_destroy - destroy aeq during close
* @aeq: aeq structure ptr
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static int irdma_sc_aeq_destroy(struct irdma_sc_aeq *aeq, u64 scratch,
bool post_sq)
{
__le64 *wqe;
struct irdma_sc_cqp *cqp;
struct irdma_sc_dev *dev;
u64 hdr;
dev = aeq->dev;
writel(0, dev->hw_regs[IRDMA_PFINT_AEQCTL]);
cqp = dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16, aeq->elem_cnt);
set_64bit_val(wqe, 48, aeq->first_pm_pbl_idx);
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_AEQ) |
FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) |
FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: AEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
if (post_sq)
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_sc_get_next_aeqe - get next aeq entry
* @aeq: aeq structure ptr
* @info: aeqe info to be returned
*/
int irdma_sc_get_next_aeqe(struct irdma_sc_aeq *aeq,
struct irdma_aeqe_info *info)
{
u64 temp, compl_ctx;
__le64 *aeqe;
u8 ae_src;
u8 polarity;
aeqe = IRDMA_GET_CURRENT_AEQ_ELEM(aeq);
get_64bit_val(aeqe, 8, &temp);
polarity = (u8)FIELD_GET(IRDMA_AEQE_VALID, temp);
if (aeq->polarity != polarity)
return -ENOENT;
/* Ensure AEQE contents are read after valid bit is checked */
dma_rmb();
get_64bit_val(aeqe, 0, &compl_ctx);
print_hex_dump_debug("WQE: AEQ_ENTRY WQE", DUMP_PREFIX_OFFSET, 16, 8,
aeqe, 16, false);
ae_src = (u8)FIELD_GET(IRDMA_AEQE_AESRC, temp);
info->wqe_idx = (u16)FIELD_GET(IRDMA_AEQE_WQDESCIDX, temp);
info->qp_cq_id = (u32)FIELD_GET(IRDMA_AEQE_QPCQID_LOW, temp) |
((u32)FIELD_GET(IRDMA_AEQE_QPCQID_HI, temp) << 18);
info->ae_id = (u16)FIELD_GET(IRDMA_AEQE_AECODE, temp);
info->tcp_state = (u8)FIELD_GET(IRDMA_AEQE_TCPSTATE, temp);
info->iwarp_state = (u8)FIELD_GET(IRDMA_AEQE_IWSTATE, temp);
info->q2_data_written = (u8)FIELD_GET(IRDMA_AEQE_Q2DATA, temp);
info->aeqe_overflow = (bool)FIELD_GET(IRDMA_AEQE_OVERFLOW, temp);
info->ae_src = ae_src;
switch (info->ae_id) {
case IRDMA_AE_PRIV_OPERATION_DENIED:
case IRDMA_AE_AMP_INVALIDATE_TYPE1_MW:
case IRDMA_AE_AMP_MWBIND_ZERO_BASED_TYPE1_MW:
case IRDMA_AE_AMP_FASTREG_INVALID_PBL_HPS_CFG:
case IRDMA_AE_AMP_FASTREG_PBLE_MISMATCH:
case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG:
case IRDMA_AE_UDA_XMIT_BAD_PD:
case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT:
case IRDMA_AE_BAD_CLOSE:
case IRDMA_AE_RDMA_READ_WHILE_ORD_ZERO:
case IRDMA_AE_STAG_ZERO_INVALID:
case IRDMA_AE_IB_RREQ_AND_Q1_FULL:
case IRDMA_AE_IB_INVALID_REQUEST:
case IRDMA_AE_WQE_UNEXPECTED_OPCODE:
case IRDMA_AE_IB_REMOTE_ACCESS_ERROR:
case IRDMA_AE_IB_REMOTE_OP_ERROR:
case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION:
case IRDMA_AE_DDP_UBE_INVALID_MO:
case IRDMA_AE_DDP_UBE_INVALID_QN:
case IRDMA_AE_DDP_NO_L_BIT:
case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
case IRDMA_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
case IRDMA_AE_ROE_INVALID_RDMA_READ_REQUEST:
case IRDMA_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
case IRDMA_AE_ROCE_RSP_LENGTH_ERROR:
case IRDMA_AE_INVALID_ARP_ENTRY:
case IRDMA_AE_INVALID_TCP_OPTION_RCVD:
case IRDMA_AE_STALE_ARP_ENTRY:
case IRDMA_AE_INVALID_AH_ENTRY:
case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
case IRDMA_AE_LLP_TOO_MANY_RETRIES:
case IRDMA_AE_LLP_DOUBT_REACHABILITY:
case IRDMA_AE_LLP_CONNECTION_ESTABLISHED:
case IRDMA_AE_RESET_SENT:
case IRDMA_AE_TERMINATE_SENT:
case IRDMA_AE_RESET_NOT_SENT:
case IRDMA_AE_LCE_QP_CATASTROPHIC:
case IRDMA_AE_QP_SUSPEND_COMPLETE:
case IRDMA_AE_UDA_L4LEN_INVALID:
info->qp = true;
info->compl_ctx = compl_ctx;
break;
case IRDMA_AE_LCE_CQ_CATASTROPHIC:
info->cq = true;
info->compl_ctx = compl_ctx << 1;
ae_src = IRDMA_AE_SOURCE_RSVD;
break;
case IRDMA_AE_ROCE_EMPTY_MCG:
case IRDMA_AE_ROCE_BAD_MC_IP_ADDR:
case IRDMA_AE_ROCE_BAD_MC_QPID:
case IRDMA_AE_MCG_QP_PROTOCOL_MISMATCH:
fallthrough;
case IRDMA_AE_LLP_CONNECTION_RESET:
case IRDMA_AE_LLP_SYN_RECEIVED:
case IRDMA_AE_LLP_FIN_RECEIVED:
case IRDMA_AE_LLP_CLOSE_COMPLETE:
case IRDMA_AE_LLP_TERMINATE_RECEIVED:
case IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE:
ae_src = IRDMA_AE_SOURCE_RSVD;
info->qp = true;
info->compl_ctx = compl_ctx;
break;
default:
break;
}
switch (ae_src) {
case IRDMA_AE_SOURCE_RQ:
case IRDMA_AE_SOURCE_RQ_0011:
info->qp = true;
info->rq = true;
info->compl_ctx = compl_ctx;
break;
case IRDMA_AE_SOURCE_CQ:
case IRDMA_AE_SOURCE_CQ_0110:
case IRDMA_AE_SOURCE_CQ_1010:
case IRDMA_AE_SOURCE_CQ_1110:
info->cq = true;
info->compl_ctx = compl_ctx << 1;
break;
case IRDMA_AE_SOURCE_SQ:
case IRDMA_AE_SOURCE_SQ_0111:
info->qp = true;
info->sq = true;
info->compl_ctx = compl_ctx;
break;
case IRDMA_AE_SOURCE_IN_RR_WR:
case IRDMA_AE_SOURCE_IN_RR_WR_1011:
info->qp = true;
info->compl_ctx = compl_ctx;
info->in_rdrsp_wr = true;
break;
case IRDMA_AE_SOURCE_OUT_RR:
case IRDMA_AE_SOURCE_OUT_RR_1111:
info->qp = true;
info->compl_ctx = compl_ctx;
info->out_rdrsp = true;
break;
case IRDMA_AE_SOURCE_RSVD:
default:
break;
}
IRDMA_RING_MOVE_TAIL(aeq->aeq_ring);
if (!IRDMA_RING_CURRENT_TAIL(aeq->aeq_ring))
aeq->polarity ^= 1;
return 0;
}
/**
* irdma_sc_repost_aeq_entries - repost completed aeq entries
* @dev: sc device struct
* @count: allocate count
*/
void irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count)
{
writel(count, dev->hw_regs[IRDMA_AEQALLOC]);
}
/**
* irdma_sc_ccq_init - initialize control cq
* @cq: sc's cq ctruct
* @info: info for control cq initialization
*/
int irdma_sc_ccq_init(struct irdma_sc_cq *cq, struct irdma_ccq_init_info *info)
{
u32 pble_obj_cnt;
if (info->num_elem < info->dev->hw_attrs.uk_attrs.min_hw_cq_size ||
info->num_elem > info->dev->hw_attrs.uk_attrs.max_hw_cq_size)
return -EINVAL;
if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs)
return -EINVAL;
pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
return -EINVAL;
cq->cq_pa = info->cq_pa;
cq->cq_uk.cq_base = info->cq_base;
cq->shadow_area_pa = info->shadow_area_pa;
cq->cq_uk.shadow_area = info->shadow_area;
cq->shadow_read_threshold = info->shadow_read_threshold;
cq->dev = info->dev;
cq->ceq_id = info->ceq_id;
cq->cq_uk.cq_size = info->num_elem;
cq->cq_type = IRDMA_CQ_TYPE_CQP;
cq->ceqe_mask = info->ceqe_mask;
IRDMA_RING_INIT(cq->cq_uk.cq_ring, info->num_elem);
cq->cq_uk.cq_id = 0; /* control cq is id 0 always */
cq->ceq_id_valid = info->ceq_id_valid;
cq->tph_en = info->tph_en;
cq->tph_val = info->tph_val;
cq->cq_uk.avoid_mem_cflct = info->avoid_mem_cflct;
cq->pbl_list = info->pbl_list;
cq->virtual_map = info->virtual_map;
cq->pbl_chunk_size = info->pbl_chunk_size;
cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
cq->cq_uk.polarity = true;
cq->vsi = info->vsi;
cq->cq_uk.cq_ack_db = cq->dev->cq_ack_db;
/* Only applicable to CQs other than CCQ so initialize to zero */
cq->cq_uk.cqe_alloc_db = NULL;
info->dev->ccq = cq;
return 0;
}
/**
* irdma_sc_ccq_create_done - poll cqp for ccq create
* @ccq: ccq sc struct
*/
static inline int irdma_sc_ccq_create_done(struct irdma_sc_cq *ccq)
{
struct irdma_sc_cqp *cqp;
cqp = ccq->dev->cqp;
return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CQ, NULL);
}
/**
* irdma_sc_ccq_create - create control cq
* @ccq: ccq sc struct
* @scratch: u64 saved to be used during cqp completion
* @check_overflow: overlow flag for ccq
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_ccq_create(struct irdma_sc_cq *ccq, u64 scratch,
bool check_overflow, bool post_sq)
{
int ret_code;
ret_code = irdma_sc_cq_create(ccq, scratch, check_overflow, post_sq);
if (ret_code)
return ret_code;
if (post_sq) {
ret_code = irdma_sc_ccq_create_done(ccq);
if (ret_code)
return ret_code;
}
ccq->dev->cqp->process_cqp_sds = irdma_cqp_sds_cmd;
return 0;
}
/**
* irdma_sc_ccq_destroy - destroy ccq during close
* @ccq: ccq sc struct
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
int irdma_sc_ccq_destroy(struct irdma_sc_cq *ccq, u64 scratch, bool post_sq)
{
struct irdma_sc_cqp *cqp;
__le64 *wqe;
u64 hdr;
int ret_code = 0;
u32 tail, val, error;
cqp = ccq->dev->cqp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 0, ccq->cq_uk.cq_size);
set_64bit_val(wqe, 8, (uintptr_t)ccq >> 1);
set_64bit_val(wqe, 40, ccq->shadow_area_pa);
hdr = ccq->cq_uk.cq_id |
FLD_LS_64(ccq->dev, (ccq->ceq_id_valid ? ccq->ceq_id : 0),
IRDMA_CQPSQ_CQ_CEQID) |
FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) |
FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, ccq->ceqe_mask) |
FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, ccq->ceq_id_valid) |
FIELD_PREP(IRDMA_CQPSQ_TPHEN, ccq->tph_en) |
FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, ccq->cq_uk.avoid_mem_cflct) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: CCQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
if (post_sq) {
irdma_sc_cqp_post_sq(cqp);
ret_code = irdma_cqp_poll_registers(cqp, tail,
cqp->dev->hw_attrs.max_done_count);
}
cqp->process_cqp_sds = irdma_update_sds_noccq;
return ret_code;
}
/**
* irdma_sc_init_iw_hmc() - queries fpm values using cqp and populates hmc_info
* @dev : ptr to irdma_dev struct
* @hmc_fn_id: hmc function id
*/
int irdma_sc_init_iw_hmc(struct irdma_sc_dev *dev, u8 hmc_fn_id)
{
struct irdma_hmc_info *hmc_info;
struct irdma_hmc_fpm_misc *hmc_fpm_misc;
struct irdma_dma_mem query_fpm_mem;
int ret_code = 0;
u8 wait_type;
hmc_info = dev->hmc_info;
hmc_fpm_misc = &dev->hmc_fpm_misc;
query_fpm_mem.pa = dev->fpm_query_buf_pa;
query_fpm_mem.va = dev->fpm_query_buf;
hmc_info->hmc_fn_id = hmc_fn_id;
wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS;
ret_code = irdma_sc_query_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id,
&query_fpm_mem, true, wait_type);
if (ret_code)
return ret_code;
/* parse the fpm_query_buf and fill hmc obj info */
ret_code = irdma_sc_parse_fpm_query_buf(dev, query_fpm_mem.va, hmc_info,
hmc_fpm_misc);
print_hex_dump_debug("HMC: QUERY FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
8, query_fpm_mem.va, IRDMA_QUERY_FPM_BUF_SIZE,
false);
return ret_code;
}
/**
* irdma_sc_cfg_iw_fpm() - commits hmc obj cnt values using cqp
* command and populates fpm base address in hmc_info
* @dev : ptr to irdma_dev struct
* @hmc_fn_id: hmc function id
*/
static int irdma_sc_cfg_iw_fpm(struct irdma_sc_dev *dev, u8 hmc_fn_id)
{
struct irdma_hmc_info *hmc_info;
struct irdma_hmc_obj_info *obj_info;
__le64 *buf;
struct irdma_dma_mem commit_fpm_mem;
int ret_code = 0;
u8 wait_type;
hmc_info = dev->hmc_info;
obj_info = hmc_info->hmc_obj;
buf = dev->fpm_commit_buf;
set_64bit_val(buf, 0, (u64)obj_info[IRDMA_HMC_IW_QP].cnt);
set_64bit_val(buf, 8, (u64)obj_info[IRDMA_HMC_IW_CQ].cnt);
set_64bit_val(buf, 16, (u64)0); /* RSRVD */
set_64bit_val(buf, 24, (u64)obj_info[IRDMA_HMC_IW_HTE].cnt);
set_64bit_val(buf, 32, (u64)obj_info[IRDMA_HMC_IW_ARP].cnt);
set_64bit_val(buf, 40, (u64)0); /* RSVD */
set_64bit_val(buf, 48, (u64)obj_info[IRDMA_HMC_IW_MR].cnt);
set_64bit_val(buf, 56, (u64)obj_info[IRDMA_HMC_IW_XF].cnt);
set_64bit_val(buf, 64, (u64)obj_info[IRDMA_HMC_IW_XFFL].cnt);
set_64bit_val(buf, 72, (u64)obj_info[IRDMA_HMC_IW_Q1].cnt);
set_64bit_val(buf, 80, (u64)obj_info[IRDMA_HMC_IW_Q1FL].cnt);
set_64bit_val(buf, 88,
(u64)obj_info[IRDMA_HMC_IW_TIMER].cnt);
set_64bit_val(buf, 96,
(u64)obj_info[IRDMA_HMC_IW_FSIMC].cnt);
set_64bit_val(buf, 104,
(u64)obj_info[IRDMA_HMC_IW_FSIAV].cnt);
set_64bit_val(buf, 112,
(u64)obj_info[IRDMA_HMC_IW_PBLE].cnt);
set_64bit_val(buf, 120, (u64)0); /* RSVD */
set_64bit_val(buf, 128, (u64)obj_info[IRDMA_HMC_IW_RRF].cnt);
set_64bit_val(buf, 136,
(u64)obj_info[IRDMA_HMC_IW_RRFFL].cnt);
set_64bit_val(buf, 144, (u64)obj_info[IRDMA_HMC_IW_HDR].cnt);
set_64bit_val(buf, 152, (u64)obj_info[IRDMA_HMC_IW_MD].cnt);
set_64bit_val(buf, 160,
(u64)obj_info[IRDMA_HMC_IW_OOISC].cnt);
set_64bit_val(buf, 168,
(u64)obj_info[IRDMA_HMC_IW_OOISCFFL].cnt);
commit_fpm_mem.pa = dev->fpm_commit_buf_pa;
commit_fpm_mem.va = dev->fpm_commit_buf;
wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS;
print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE,
false);
ret_code = irdma_sc_commit_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id,
&commit_fpm_mem, true, wait_type);
if (!ret_code)
irdma_sc_parse_fpm_commit_buf(dev, dev->fpm_commit_buf,
hmc_info->hmc_obj,
&hmc_info->sd_table.sd_cnt);
print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE,
false);
return ret_code;
}
/**
* cqp_sds_wqe_fill - fill cqp wqe doe sd
* @cqp: struct for cqp hw
* @info: sd info for wqe
* @scratch: u64 saved to be used during cqp completion
*/
static int cqp_sds_wqe_fill(struct irdma_sc_cqp *cqp,
struct irdma_update_sds_info *info, u64 scratch)
{
u64 data;
u64 hdr;
__le64 *wqe;
int mem_entries, wqe_entries;
struct irdma_dma_mem *sdbuf = &cqp->sdbuf;
u64 offset = 0;
u32 wqe_idx;
wqe = irdma_sc_cqp_get_next_send_wqe_idx(cqp, scratch, &wqe_idx);
if (!wqe)
return -ENOMEM;
wqe_entries = (info->cnt > 3) ? 3 : info->cnt;
mem_entries = info->cnt - wqe_entries;
if (mem_entries) {
offset = wqe_idx * IRDMA_UPDATE_SD_BUFF_SIZE;
memcpy(((char *)sdbuf->va + offset), &info->entry[3], mem_entries << 4);
data = (u64)sdbuf->pa + offset;
} else {
data = 0;
}
data |= FIELD_PREP(IRDMA_CQPSQ_UPESD_HMCFNID, info->hmc_fn_id);
set_64bit_val(wqe, 16, data);
switch (wqe_entries) {
case 3:
set_64bit_val(wqe, 48,
(FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[2].cmd) |
FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1)));
set_64bit_val(wqe, 56, info->entry[2].data);
fallthrough;
case 2:
set_64bit_val(wqe, 32,
(FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[1].cmd) |
FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1)));
set_64bit_val(wqe, 40, info->entry[1].data);
fallthrough;
case 1:
set_64bit_val(wqe, 0,
FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[0].cmd));
set_64bit_val(wqe, 8, info->entry[0].data);
break;
default:
break;
}
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPDATE_PE_SDS) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_COUNT, mem_entries);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
if (mem_entries)
print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE Buffer",
DUMP_PREFIX_OFFSET, 16, 8,
(char *)sdbuf->va + offset,
mem_entries << 4, false);
print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE", DUMP_PREFIX_OFFSET, 16,
8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
return 0;
}
/**
* irdma_update_pe_sds - cqp wqe for sd
* @dev: ptr to irdma_dev struct
* @info: sd info for sd's
* @scratch: u64 saved to be used during cqp completion
*/
static int irdma_update_pe_sds(struct irdma_sc_dev *dev,
struct irdma_update_sds_info *info, u64 scratch)
{
struct irdma_sc_cqp *cqp = dev->cqp;
int ret_code;
ret_code = cqp_sds_wqe_fill(cqp, info, scratch);
if (!ret_code)
irdma_sc_cqp_post_sq(cqp);
return ret_code;
}
/**
* irdma_update_sds_noccq - update sd before ccq created
* @dev: sc device struct
* @info: sd info for sd's
*/
int irdma_update_sds_noccq(struct irdma_sc_dev *dev,
struct irdma_update_sds_info *info)
{
u32 error, val, tail;
struct irdma_sc_cqp *cqp = dev->cqp;
int ret_code;
ret_code = cqp_sds_wqe_fill(cqp, info, 0);
if (ret_code)
return ret_code;
irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
irdma_sc_cqp_post_sq(cqp);
return irdma_cqp_poll_registers(cqp, tail,
cqp->dev->hw_attrs.max_done_count);
}
/**
* irdma_sc_static_hmc_pages_allocated - cqp wqe to allocate hmc pages
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @hmc_fn_id: hmc function id
* @post_sq: flag for cqp db to ring
* @poll_registers: flag to poll register for cqp completion
*/
int irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp *cqp, u64 scratch,
u8 hmc_fn_id, bool post_sq,
bool poll_registers)
{
u64 hdr;
__le64 *wqe;
u32 tail, val, error;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
set_64bit_val(wqe, 16,
FIELD_PREP(IRDMA_SHMC_PAGE_ALLOCATED_HMC_FN_ID, hmc_fn_id));
hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE,
IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED) |
FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, hdr);
print_hex_dump_debug("WQE: SHMC_PAGES_ALLOCATED WQE",
DUMP_PREFIX_OFFSET, 16, 8, wqe,
IRDMA_CQP_WQE_SIZE * 8, false);
irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
if (post_sq) {
irdma_sc_cqp_post_sq(cqp);
if (poll_registers)
/* check for cqp sq tail update */
return irdma_cqp_poll_registers(cqp, tail,
cqp->dev->hw_attrs.max_done_count);
else
return irdma_sc_poll_for_cqp_op_done(cqp,
IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED,
NULL);
}
return 0;
}
/**
* irdma_cqp_ring_full - check if cqp ring is full
* @cqp: struct for cqp hw
*/
static bool irdma_cqp_ring_full(struct irdma_sc_cqp *cqp)
{
return IRDMA_RING_FULL_ERR(cqp->sq_ring);
}
/**
* irdma_est_sd - returns approximate number of SDs for HMC
* @dev: sc device struct
* @hmc_info: hmc structure, size and count for HMC objects
*/
static u32 irdma_est_sd(struct irdma_sc_dev *dev,
struct irdma_hmc_info *hmc_info)
{
int i;
u64 size = 0;
u64 sd;
for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++)
if (i != IRDMA_HMC_IW_PBLE)
size += round_up(hmc_info->hmc_obj[i].cnt *
hmc_info->hmc_obj[i].size, 512);
size += round_up(hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt *
hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].size, 512);
if (size & 0x1FFFFF)
sd = (size >> 21) + 1; /* add 1 for remainder */
else
sd = size >> 21;
if (sd > 0xFFFFFFFF) {
ibdev_dbg(to_ibdev(dev), "HMC: sd overflow[%lld]\n", sd);
sd = 0xFFFFFFFF - 1;
}
return (u32)sd;
}
/**
* irdma_sc_query_rdma_features_done - poll cqp for query features done
* @cqp: struct for cqp hw
*/
static int irdma_sc_query_rdma_features_done(struct irdma_sc_cqp *cqp)
{
return irdma_sc_poll_for_cqp_op_done(cqp,
IRDMA_CQP_OP_QUERY_RDMA_FEATURES,
NULL);
}
/**
* irdma_sc_query_rdma_features - query RDMA features and FW ver
* @cqp: struct for cqp hw
* @buf: buffer to hold query info
* @scratch: u64 saved to be used during cqp completion
*/
static int irdma_sc_query_rdma_features(struct irdma_sc_cqp *cqp,
struct irdma_dma_mem *buf, u64 scratch)
{
__le64 *wqe;
u64 temp;
wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return -ENOMEM;
temp = buf->pa;
set_64bit_val(wqe, 32, temp);
temp = FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_WQEVALID,
cqp->polarity) |
FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_BUF_LEN, buf->size) |
FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_QUERY_RDMA_FEATURES);
dma_wmb(); /* make sure WQE is written before valid bit is set */
set_64bit_val(wqe, 24, temp);
print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET,
16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
irdma_sc_cqp_post_sq(cqp);
return 0;
}
/**
* irdma_get_rdma_features - get RDMA features
* @dev: sc device struct
*/
int irdma_get_rdma_features(struct irdma_sc_dev *dev)
{
int ret_code;
struct irdma_dma_mem feat_buf;
u64 temp;
u16 byte_idx, feat_type, feat_cnt, feat_idx;
feat_buf.size = ALIGN(IRDMA_FEATURE_BUF_SIZE,
IRDMA_FEATURE_BUF_ALIGNMENT);
feat_buf.va = dma_alloc_coherent(dev->hw->device, feat_buf.size,
&feat_buf.pa, GFP_KERNEL);
if (!feat_buf.va)
return -ENOMEM;
ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0);
if (!ret_code)
ret_code = irdma_sc_query_rdma_features_done(dev->cqp);
if (ret_code)
goto exit;
get_64bit_val(feat_buf.va, 0, &temp);
feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp);
if (feat_cnt < 2) {
ret_code = -EINVAL;
goto exit;
} else if (feat_cnt > IRDMA_MAX_FEATURES) {
ibdev_dbg(to_ibdev(dev),
"DEV: feature buf size insufficient, retrying with larger buffer\n");
dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va,
feat_buf.pa);
feat_buf.va = NULL;
feat_buf.size = ALIGN(8 * feat_cnt,
IRDMA_FEATURE_BUF_ALIGNMENT);
feat_buf.va = dma_alloc_coherent(dev->hw->device,
feat_buf.size, &feat_buf.pa,
GFP_KERNEL);
if (!feat_buf.va)
return -ENOMEM;
ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0);
if (!ret_code)
ret_code = irdma_sc_query_rdma_features_done(dev->cqp);
if (ret_code)
goto exit;
get_64bit_val(feat_buf.va, 0, &temp);
feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp);
if (feat_cnt < 2) {
ret_code = -EINVAL;
goto exit;
}
}
print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET,
16, 8, feat_buf.va, feat_cnt * 8, false);
for (byte_idx = 0, feat_idx = 0; feat_idx < min(feat_cnt, (u16)IRDMA_MAX_FEATURES);
feat_idx++, byte_idx += 8) {
get_64bit_val(feat_buf.va, byte_idx, &temp);
feat_type = FIELD_GET(IRDMA_FEATURE_TYPE, temp);
if (feat_type >= IRDMA_MAX_FEATURES) {
ibdev_dbg(to_ibdev(dev),
"DEV: found unrecognized feature type %d\n",
feat_type);
continue;
}
dev->feature_info[feat_type] = temp;
}
exit:
dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va,
feat_buf.pa);
feat_buf.va = NULL;
return ret_code;
}
static u32 irdma_q1_cnt(struct irdma_sc_dev *dev,
struct irdma_hmc_info *hmc_info, u32 qpwanted)
{
u32 q1_cnt;
if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) {
q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted);
} else {
if (dev->cqp->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY)
q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted + 512);
else
q1_cnt = dev->hw_attrs.max_hw_ird * 2 * qpwanted;
}
return q1_cnt;
}
static void cfg_fpm_value_gen_1(struct irdma_sc_dev *dev,
struct irdma_hmc_info *hmc_info, u32 qpwanted)
{
hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = roundup_pow_of_two(qpwanted * dev->hw_attrs.max_hw_wqes);
}
static void cfg_fpm_value_gen_2(struct irdma_sc_dev *dev,
struct irdma_hmc_info *hmc_info, u32 qpwanted)
{
struct irdma_hmc_fpm_misc *hmc_fpm_misc = &dev->hmc_fpm_misc;
hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt =
4 * hmc_fpm_misc->xf_block_size * qpwanted;
hmc_info->hmc_obj[IRDMA_HMC_IW_HDR].cnt = qpwanted;
if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].max_cnt)
hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt = 32 * qpwanted;
if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].max_cnt)
hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].cnt =
hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt /
hmc_fpm_misc->rrf_block_size;
if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].max_cnt)
hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt = 32 * qpwanted;
if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].max_cnt)
hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].cnt =
hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt /
hmc_fpm_misc->ooiscf_block_size;
}
/**
* irdma_cfg_fpm_val - configure HMC objects
* @dev: sc device struct
* @qp_count: desired qp count
*/
int irdma_cfg_fpm_val(struct irdma_sc_dev *dev, u32 qp_count)
{
struct irdma_virt_mem virt_mem;
u32 i, mem_size;
u32 qpwanted, mrwanted, pblewanted;
u32 powerof2, hte;
u32 sd_needed;
u32 sd_diff;
u32 loop_count = 0;
struct irdma_hmc_info *hmc_info;
struct irdma_hmc_fpm_misc *hmc_fpm_misc;
int ret_code = 0;
hmc_info = dev->hmc_info;
hmc_fpm_misc = &dev->hmc_fpm_misc;
ret_code = irdma_sc_init_iw_hmc(dev, dev->hmc_fn_id);
if (ret_code) {
ibdev_dbg(to_ibdev(dev),
"HMC: irdma_sc_init_iw_hmc returned error_code = %d\n",
ret_code);
return ret_code;
}
for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++)
hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt;
sd_needed = irdma_est_sd(dev, hmc_info);
ibdev_dbg(to_ibdev(dev),
"HMC: FW max resources sd_needed[%08d] first_sd_index[%04d]\n",
sd_needed, hmc_info->first_sd_index);
ibdev_dbg(to_ibdev(dev), "HMC: sd count %d where max sd is %d\n",
hmc_info->sd_table.sd_cnt, hmc_fpm_misc->max_sds);
qpwanted = min(qp_count, hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt);
powerof2 = 1;
while (powerof2 <= qpwanted)
powerof2 *= 2;
powerof2 /= 2;
qpwanted = powerof2;
mrwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt;
pblewanted = hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt;
ibdev_dbg(to_ibdev(dev),
"HMC: req_qp=%d max_sd=%d, max_qp = %d, max_cq=%d, max_mr=%d, max_pble=%d, mc=%d, av=%d\n",
qp_count, hmc_fpm_misc->max_sds,
hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt);
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt =
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt;
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt =
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt;
hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].cnt =
hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].max_cnt;
hmc_info->hmc_obj[IRDMA_HMC_IW_APBVT_ENTRY].cnt = 1;
while (irdma_q1_cnt(dev, hmc_info, qpwanted) > hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].max_cnt)
qpwanted /= 2;
do {
++loop_count;
hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt = qpwanted;
hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt =
min(2 * qpwanted, hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt);
hmc_info->hmc_obj[IRDMA_HMC_IW_RESERVED].cnt = 0; /* Reserved */
hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt = mrwanted;
hte = round_up(qpwanted + hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, 512);
powerof2 = 1;
while (powerof2 < hte)
powerof2 *= 2;
hmc_info->hmc_obj[IRDMA_HMC_IW_HTE].cnt =
powerof2 * hmc_fpm_misc->ht_multiplier;
if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
cfg_fpm_value_gen_1(dev, hmc_info, qpwanted);
else
cfg_fpm_value_gen_2(dev, hmc_info, qpwanted);
hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt = irdma_q1_cnt(dev, hmc_info, qpwanted);
hmc_info->hmc_obj[IRDMA_HMC_IW_XFFL].cnt =
hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt / hmc_fpm_misc->xf_block_size;
hmc_info->hmc_obj[IRDMA_HMC_IW_Q1FL].cnt =
hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size;
hmc_info->hmc_obj[IRDMA_HMC_IW_TIMER].cnt =
(round_up(qpwanted, 512) / 512 + 1) * hmc_fpm_misc->timer_bucket;
hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted;
sd_needed = irdma_est_sd(dev, hmc_info);
ibdev_dbg(to_ibdev(dev),
"HMC: sd_needed = %d, hmc_fpm_misc->max_sds=%d, mrwanted=%d, pblewanted=%d qpwanted=%d\n",
sd_needed, hmc_fpm_misc->max_sds, mrwanted,
pblewanted, qpwanted);
/* Do not reduce resources further. All objects fit with max SDs */
if (sd_needed <= hmc_fpm_misc->max_sds)
break;
sd_diff = sd_needed - hmc_fpm_misc->max_sds;
if (sd_diff > 128) {
if (!(loop_count % 2) && qpwanted > 128) {
qpwanted /= 2;
} else {
mrwanted /= 2;
pblewanted /= 2;
}
continue;
}
if (dev->cqp->hmc_profile != IRDMA_HMC_PROFILE_FAVOR_VF &&
pblewanted > (512 * FPM_MULTIPLIER * sd_diff)) {
pblewanted -= 256 * FPM_MULTIPLIER * sd_diff;
continue;
} else if (pblewanted > (100 * FPM_MULTIPLIER)) {
pblewanted -= 10 * FPM_MULTIPLIER;
} else if (pblewanted > FPM_MULTIPLIER) {
pblewanted -= FPM_MULTIPLIER;
} else if (qpwanted <= 128) {
if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt > 256)
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt /= 2;
if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256)
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2;
}
if (mrwanted > FPM_MULTIPLIER)
mrwanted -= FPM_MULTIPLIER;
if (!(loop_count % 10) && qpwanted > 128) {
qpwanted /= 2;
if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256)
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2;
}
} while (loop_count < 2000);
if (sd_needed > hmc_fpm_misc->max_sds) {
ibdev_dbg(to_ibdev(dev),
"HMC: cfg_fpm failed loop_cnt=%d, sd_needed=%d, max sd count %d\n",
loop_count, sd_needed, hmc_info->sd_table.sd_cnt);
return -EINVAL;
}
if (loop_count > 1 && sd_needed < hmc_fpm_misc->max_sds) {
pblewanted += (hmc_fpm_misc->max_sds - sd_needed) * 256 *
FPM_MULTIPLIER;
hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted;
sd_needed = irdma_est_sd(dev, hmc_info);
}
ibdev_dbg(to_ibdev(dev),
"HMC: loop_cnt=%d, sd_needed=%d, qpcnt = %d, cqcnt=%d, mrcnt=%d, pblecnt=%d, mc=%d, ah=%d, max sd count %d, first sd index %d\n",
loop_count, sd_needed,
hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt,
hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt,
hmc_info->sd_table.sd_cnt, hmc_info->first_sd_index);
ret_code = irdma_sc_cfg_iw_fpm(dev, dev->hmc_fn_id);
if (ret_code) {
ibdev_dbg(to_ibdev(dev),
"HMC: cfg_iw_fpm returned error_code[x%08X]\n",
readl(dev->hw_regs[IRDMA_CQPERRCODES]));
return ret_code;
}
mem_size = sizeof(struct irdma_hmc_sd_entry) *
(hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index + 1);
virt_mem.size = mem_size;
virt_mem.va = kzalloc(virt_mem.size, GFP_KERNEL);
if (!virt_mem.va) {
ibdev_dbg(to_ibdev(dev),
"HMC: failed to allocate memory for sd_entry buffer\n");
return -ENOMEM;
}
hmc_info->sd_table.sd_entry = virt_mem.va;
return ret_code;
}
/**
* irdma_exec_cqp_cmd - execute cqp cmd when wqe are available
* @dev: rdma device
* @pcmdinfo: cqp command info
*/
static int irdma_exec_cqp_cmd(struct irdma_sc_dev *dev,
struct cqp_cmds_info *pcmdinfo)
{
int status;
struct irdma_dma_mem val_mem;
bool alloc = false;
dev->cqp_cmd_stats[pcmdinfo->cqp_cmd]++;
switch (pcmdinfo->cqp_cmd) {
case IRDMA_OP_CEQ_DESTROY:
status = irdma_sc_ceq_destroy(pcmdinfo->in.u.ceq_destroy.ceq,
pcmdinfo->in.u.ceq_destroy.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_AEQ_DESTROY:
status = irdma_sc_aeq_destroy(pcmdinfo->in.u.aeq_destroy.aeq,
pcmdinfo->in.u.aeq_destroy.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_CEQ_CREATE:
status = irdma_sc_ceq_create(pcmdinfo->in.u.ceq_create.ceq,
pcmdinfo->in.u.ceq_create.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_AEQ_CREATE:
status = irdma_sc_aeq_create(pcmdinfo->in.u.aeq_create.aeq,
pcmdinfo->in.u.aeq_create.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_QP_UPLOAD_CONTEXT:
status = irdma_sc_qp_upload_context(pcmdinfo->in.u.qp_upload_context.dev,
&pcmdinfo->in.u.qp_upload_context.info,
pcmdinfo->in.u.qp_upload_context.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_CQ_CREATE:
status = irdma_sc_cq_create(pcmdinfo->in.u.cq_create.cq,
pcmdinfo->in.u.cq_create.scratch,
pcmdinfo->in.u.cq_create.check_overflow,
pcmdinfo->post_sq);
break;
case IRDMA_OP_CQ_MODIFY:
status = irdma_sc_cq_modify(pcmdinfo->in.u.cq_modify.cq,
&pcmdinfo->in.u.cq_modify.info,
pcmdinfo->in.u.cq_modify.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_CQ_DESTROY:
status = irdma_sc_cq_destroy(pcmdinfo->in.u.cq_destroy.cq,
pcmdinfo->in.u.cq_destroy.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_QP_FLUSH_WQES:
status = irdma_sc_qp_flush_wqes(pcmdinfo->in.u.qp_flush_wqes.qp,
&pcmdinfo->in.u.qp_flush_wqes.info,
pcmdinfo->in.u.qp_flush_wqes.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_GEN_AE:
status = irdma_sc_gen_ae(pcmdinfo->in.u.gen_ae.qp,
&pcmdinfo->in.u.gen_ae.info,
pcmdinfo->in.u.gen_ae.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_MANAGE_PUSH_PAGE:
status = irdma_sc_manage_push_page(pcmdinfo->in.u.manage_push_page.cqp,
&pcmdinfo->in.u.manage_push_page.info,
pcmdinfo->in.u.manage_push_page.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_UPDATE_PE_SDS:
status = irdma_update_pe_sds(pcmdinfo->in.u.update_pe_sds.dev,
&pcmdinfo->in.u.update_pe_sds.info,
pcmdinfo->in.u.update_pe_sds.scratch);
break;
case IRDMA_OP_MANAGE_HMC_PM_FUNC_TABLE:
/* switch to calling through the call table */
status =
irdma_sc_manage_hmc_pm_func_table(pcmdinfo->in.u.manage_hmc_pm.dev->cqp,
&pcmdinfo->in.u.manage_hmc_pm.info,
pcmdinfo->in.u.manage_hmc_pm.scratch,
true);
break;
case IRDMA_OP_SUSPEND:
status = irdma_sc_suspend_qp(pcmdinfo->in.u.suspend_resume.cqp,
pcmdinfo->in.u.suspend_resume.qp,
pcmdinfo->in.u.suspend_resume.scratch);
break;
case IRDMA_OP_RESUME:
status = irdma_sc_resume_qp(pcmdinfo->in.u.suspend_resume.cqp,
pcmdinfo->in.u.suspend_resume.qp,
pcmdinfo->in.u.suspend_resume.scratch);
break;
case IRDMA_OP_QUERY_FPM_VAL:
val_mem.pa = pcmdinfo->in.u.query_fpm_val.fpm_val_pa;
val_mem.va = pcmdinfo->in.u.query_fpm_val.fpm_val_va;
status = irdma_sc_query_fpm_val(pcmdinfo->in.u.query_fpm_val.cqp,
pcmdinfo->in.u.query_fpm_val.scratch,
pcmdinfo->in.u.query_fpm_val.hmc_fn_id,
&val_mem, true, IRDMA_CQP_WAIT_EVENT);
break;
case IRDMA_OP_COMMIT_FPM_VAL:
val_mem.pa = pcmdinfo->in.u.commit_fpm_val.fpm_val_pa;
val_mem.va = pcmdinfo->in.u.commit_fpm_val.fpm_val_va;
status = irdma_sc_commit_fpm_val(pcmdinfo->in.u.commit_fpm_val.cqp,
pcmdinfo->in.u.commit_fpm_val.scratch,
pcmdinfo->in.u.commit_fpm_val.hmc_fn_id,
&val_mem,
true,
IRDMA_CQP_WAIT_EVENT);
break;
case IRDMA_OP_STATS_ALLOCATE:
alloc = true;
fallthrough;
case IRDMA_OP_STATS_FREE:
status = irdma_sc_manage_stats_inst(pcmdinfo->in.u.stats_manage.cqp,
&pcmdinfo->in.u.stats_manage.info,
alloc,
pcmdinfo->in.u.stats_manage.scratch);
break;
case IRDMA_OP_STATS_GATHER:
status = irdma_sc_gather_stats(pcmdinfo->in.u.stats_gather.cqp,
&pcmdinfo->in.u.stats_gather.info,
pcmdinfo->in.u.stats_gather.scratch);
break;
case IRDMA_OP_WS_MODIFY_NODE:
status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
&pcmdinfo->in.u.ws_node.info,
IRDMA_MODIFY_NODE,
pcmdinfo->in.u.ws_node.scratch);
break;
case IRDMA_OP_WS_DELETE_NODE:
status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
&pcmdinfo->in.u.ws_node.info,
IRDMA_DEL_NODE,
pcmdinfo->in.u.ws_node.scratch);
break;
case IRDMA_OP_WS_ADD_NODE:
status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
&pcmdinfo->in.u.ws_node.info,
IRDMA_ADD_NODE,
pcmdinfo->in.u.ws_node.scratch);
break;
case IRDMA_OP_SET_UP_MAP:
status = irdma_sc_set_up_map(pcmdinfo->in.u.up_map.cqp,
&pcmdinfo->in.u.up_map.info,
pcmdinfo->in.u.up_map.scratch);
break;
case IRDMA_OP_QUERY_RDMA_FEATURES:
status = irdma_sc_query_rdma_features(pcmdinfo->in.u.query_rdma.cqp,
&pcmdinfo->in.u.query_rdma.query_buff_mem,
pcmdinfo->in.u.query_rdma.scratch);
break;
case IRDMA_OP_DELETE_ARP_CACHE_ENTRY:
status = irdma_sc_del_arp_cache_entry(pcmdinfo->in.u.del_arp_cache_entry.cqp,
pcmdinfo->in.u.del_arp_cache_entry.scratch,
pcmdinfo->in.u.del_arp_cache_entry.arp_index,
pcmdinfo->post_sq);
break;
case IRDMA_OP_MANAGE_APBVT_ENTRY:
status = irdma_sc_manage_apbvt_entry(pcmdinfo->in.u.manage_apbvt_entry.cqp,
&pcmdinfo->in.u.manage_apbvt_entry.info,
pcmdinfo->in.u.manage_apbvt_entry.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_MANAGE_QHASH_TABLE_ENTRY:
status = irdma_sc_manage_qhash_table_entry(pcmdinfo->in.u.manage_qhash_table_entry.cqp,
&pcmdinfo->in.u.manage_qhash_table_entry.info,
pcmdinfo->in.u.manage_qhash_table_entry.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_QP_MODIFY:
status = irdma_sc_qp_modify(pcmdinfo->in.u.qp_modify.qp,
&pcmdinfo->in.u.qp_modify.info,
pcmdinfo->in.u.qp_modify.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_QP_CREATE:
status = irdma_sc_qp_create(pcmdinfo->in.u.qp_create.qp,
&pcmdinfo->in.u.qp_create.info,
pcmdinfo->in.u.qp_create.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_QP_DESTROY:
status = irdma_sc_qp_destroy(pcmdinfo->in.u.qp_destroy.qp,
pcmdinfo->in.u.qp_destroy.scratch,
pcmdinfo->in.u.qp_destroy.remove_hash_idx,
pcmdinfo->in.u.qp_destroy.ignore_mw_bnd,
pcmdinfo->post_sq);
break;
case IRDMA_OP_ALLOC_STAG:
status = irdma_sc_alloc_stag(pcmdinfo->in.u.alloc_stag.dev,
&pcmdinfo->in.u.alloc_stag.info,
pcmdinfo->in.u.alloc_stag.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_MR_REG_NON_SHARED:
status = irdma_sc_mr_reg_non_shared(pcmdinfo->in.u.mr_reg_non_shared.dev,
&pcmdinfo->in.u.mr_reg_non_shared.info,
pcmdinfo->in.u.mr_reg_non_shared.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_DEALLOC_STAG:
status = irdma_sc_dealloc_stag(pcmdinfo->in.u.dealloc_stag.dev,
&pcmdinfo->in.u.dealloc_stag.info,
pcmdinfo->in.u.dealloc_stag.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_MW_ALLOC:
status = irdma_sc_mw_alloc(pcmdinfo->in.u.mw_alloc.dev,
&pcmdinfo->in.u.mw_alloc.info,
pcmdinfo->in.u.mw_alloc.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_ADD_ARP_CACHE_ENTRY:
status = irdma_sc_add_arp_cache_entry(pcmdinfo->in.u.add_arp_cache_entry.cqp,
&pcmdinfo->in.u.add_arp_cache_entry.info,
pcmdinfo->in.u.add_arp_cache_entry.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_ALLOC_LOCAL_MAC_ENTRY:
status = irdma_sc_alloc_local_mac_entry(pcmdinfo->in.u.alloc_local_mac_entry.cqp,
pcmdinfo->in.u.alloc_local_mac_entry.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_ADD_LOCAL_MAC_ENTRY:
status = irdma_sc_add_local_mac_entry(pcmdinfo->in.u.add_local_mac_entry.cqp,
&pcmdinfo->in.u.add_local_mac_entry.info,
pcmdinfo->in.u.add_local_mac_entry.scratch,
pcmdinfo->post_sq);
break;
case IRDMA_OP_DELETE_LOCAL_MAC_ENTRY:
status = irdma_sc_del_local_mac_entry(pcmdinfo->in.u.del_local_mac_entry.cqp,
pcmdinfo->in.u.del_local_mac_entry.scratch,
pcmdinfo->in.u.del_local_mac_entry.entry_idx,
pcmdinfo->in.u.del_local_mac_entry.ignore_ref_count,
pcmdinfo->post_sq);
break;
case IRDMA_OP_AH_CREATE:
status = irdma_sc_create_ah(pcmdinfo->in.u.ah_create.cqp,
&pcmdinfo->in.u.ah_create.info,
pcmdinfo->in.u.ah_create.scratch);
break;
case IRDMA_OP_AH_DESTROY:
status = irdma_sc_destroy_ah(pcmdinfo->in.u.ah_destroy.cqp,
&pcmdinfo->in.u.ah_destroy.info,
pcmdinfo->in.u.ah_destroy.scratch);
break;
case IRDMA_OP_MC_CREATE:
status = irdma_sc_create_mcast_grp(pcmdinfo->in.u.mc_create.cqp,
&pcmdinfo->in.u.mc_create.info,
pcmdinfo->in.u.mc_create.scratch);
break;
case IRDMA_OP_MC_DESTROY:
status = irdma_sc_destroy_mcast_grp(pcmdinfo->in.u.mc_destroy.cqp,
&pcmdinfo->in.u.mc_destroy.info,
pcmdinfo->in.u.mc_destroy.scratch);
break;
case IRDMA_OP_MC_MODIFY:
status = irdma_sc_modify_mcast_grp(pcmdinfo->in.u.mc_modify.cqp,
&pcmdinfo->in.u.mc_modify.info,
pcmdinfo->in.u.mc_modify.scratch);
break;
default:
status = -EOPNOTSUPP;
break;
}
return status;
}
/**
* irdma_process_cqp_cmd - process all cqp commands
* @dev: sc device struct
* @pcmdinfo: cqp command info
*/
int irdma_process_cqp_cmd(struct irdma_sc_dev *dev,
struct cqp_cmds_info *pcmdinfo)
{
int status = 0;
unsigned long flags;
spin_lock_irqsave(&dev->cqp_lock, flags);
if (list_empty(&dev->cqp_cmd_head) && !irdma_cqp_ring_full(dev->cqp))
status = irdma_exec_cqp_cmd(dev, pcmdinfo);
else
list_add_tail(&pcmdinfo->cqp_cmd_entry, &dev->cqp_cmd_head);
spin_unlock_irqrestore(&dev->cqp_lock, flags);
return status;
}
/**
* irdma_process_bh - called from tasklet for cqp list
* @dev: sc device struct
*/
int irdma_process_bh(struct irdma_sc_dev *dev)
{
int status = 0;
struct cqp_cmds_info *pcmdinfo;
unsigned long flags;
spin_lock_irqsave(&dev->cqp_lock, flags);
while (!list_empty(&dev->cqp_cmd_head) &&
!irdma_cqp_ring_full(dev->cqp)) {
pcmdinfo = (struct cqp_cmds_info *)irdma_remove_cqp_head(dev);
status = irdma_exec_cqp_cmd(dev, pcmdinfo);
if (status)
break;
}
spin_unlock_irqrestore(&dev->cqp_lock, flags);
return status;
}
/**
* irdma_cfg_aeq- Configure AEQ interrupt
* @dev: pointer to the device structure
* @idx: vector index
* @enable: True to enable, False disables
*/
void irdma_cfg_aeq(struct irdma_sc_dev *dev, u32 idx, bool enable)
{
u32 reg_val;
reg_val = FIELD_PREP(IRDMA_PFINT_AEQCTL_CAUSE_ENA, enable) |
FIELD_PREP(IRDMA_PFINT_AEQCTL_MSIX_INDX, idx) |
FIELD_PREP(IRDMA_PFINT_AEQCTL_ITR_INDX, 3);
writel(reg_val, dev->hw_regs[IRDMA_PFINT_AEQCTL]);
}
/**
* sc_vsi_update_stats - Update statistics
* @vsi: sc_vsi instance to update
*/
void sc_vsi_update_stats(struct irdma_sc_vsi *vsi)
{
struct irdma_gather_stats *gather_stats;
struct irdma_gather_stats *last_gather_stats;
gather_stats = vsi->pestat->gather_info.gather_stats_va;
last_gather_stats = vsi->pestat->gather_info.last_gather_stats_va;
irdma_update_stats(&vsi->pestat->hw_stats, gather_stats,
last_gather_stats, vsi->dev->hw_stats_map,
vsi->dev->hw_attrs.max_stat_idx);
}
/**
* irdma_wait_pe_ready - Check if firmware is ready
* @dev: provides access to registers
*/
static int irdma_wait_pe_ready(struct irdma_sc_dev *dev)
{
u32 statuscpu0;
u32 statuscpu1;
u32 statuscpu2;
u32 retrycount = 0;
do {
statuscpu0 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS0]);
statuscpu1 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS1]);
statuscpu2 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS2]);
if (statuscpu0 == 0x80 && statuscpu1 == 0x80 &&
statuscpu2 == 0x80)
return 0;
mdelay(1000);
} while (retrycount++ < dev->hw_attrs.max_pe_ready_count);
return -1;
}
static inline void irdma_sc_init_hw(struct irdma_sc_dev *dev)
{
switch (dev->hw_attrs.uk_attrs.hw_rev) {
case IRDMA_GEN_1:
i40iw_init_hw(dev);
break;
case IRDMA_GEN_2:
icrdma_init_hw(dev);
break;
}
}
/**
* irdma_sc_dev_init - Initialize control part of device
* @ver: version
* @dev: Device pointer
* @info: Device init info
*/
int irdma_sc_dev_init(enum irdma_vers ver, struct irdma_sc_dev *dev,
struct irdma_device_init_info *info)
{
u32 val;
int ret_code = 0;
u8 db_size;
INIT_LIST_HEAD(&dev->cqp_cmd_head); /* for CQP command backlog */
mutex_init(&dev->ws_mutex);
dev->hmc_fn_id = info->hmc_fn_id;
dev->fpm_query_buf_pa = info->fpm_query_buf_pa;
dev->fpm_query_buf = info->fpm_query_buf;
dev->fpm_commit_buf_pa = info->fpm_commit_buf_pa;
dev->fpm_commit_buf = info->fpm_commit_buf;
dev->hw = info->hw;
dev->hw->hw_addr = info->bar0;
/* Setup the hardware limits, hmc may limit further */
dev->hw_attrs.min_hw_qp_id = IRDMA_MIN_IW_QP_ID;
dev->hw_attrs.min_hw_aeq_size = IRDMA_MIN_AEQ_ENTRIES;
dev->hw_attrs.max_hw_aeq_size = IRDMA_MAX_AEQ_ENTRIES;
dev->hw_attrs.min_hw_ceq_size = IRDMA_MIN_CEQ_ENTRIES;
dev->hw_attrs.max_hw_ceq_size = IRDMA_MAX_CEQ_ENTRIES;
dev->hw_attrs.uk_attrs.min_hw_cq_size = IRDMA_MIN_CQ_SIZE;
dev->hw_attrs.uk_attrs.max_hw_cq_size = IRDMA_MAX_CQ_SIZE;
dev->hw_attrs.uk_attrs.max_hw_wq_frags = IRDMA_MAX_WQ_FRAGMENT_COUNT;
dev->hw_attrs.uk_attrs.max_hw_read_sges = IRDMA_MAX_SGE_RD;
dev->hw_attrs.max_hw_outbound_msg_size = IRDMA_MAX_OUTBOUND_MSG_SIZE;
dev->hw_attrs.max_mr_size = IRDMA_MAX_MR_SIZE;
dev->hw_attrs.max_hw_inbound_msg_size = IRDMA_MAX_INBOUND_MSG_SIZE;
dev->hw_attrs.max_hw_device_pages = IRDMA_MAX_PUSH_PAGE_COUNT;
dev->hw_attrs.uk_attrs.max_hw_inline = IRDMA_MAX_INLINE_DATA_SIZE;
dev->hw_attrs.max_hw_wqes = IRDMA_MAX_WQ_ENTRIES;
dev->hw_attrs.max_qp_wr = IRDMA_MAX_QP_WRS(IRDMA_MAX_QUANTA_PER_WR);
dev->hw_attrs.uk_attrs.max_hw_rq_quanta = IRDMA_QP_SW_MAX_RQ_QUANTA;
dev->hw_attrs.uk_attrs.max_hw_wq_quanta = IRDMA_QP_SW_MAX_WQ_QUANTA;
dev->hw_attrs.max_hw_pds = IRDMA_MAX_PDS;
dev->hw_attrs.max_hw_ena_vf_count = IRDMA_MAX_PE_ENA_VF_COUNT;
dev->hw_attrs.max_pe_ready_count = 14;
dev->hw_attrs.max_done_count = IRDMA_DONE_COUNT;
dev->hw_attrs.max_sleep_count = IRDMA_SLEEP_COUNT;
dev->hw_attrs.max_cqp_compl_wait_time_ms = CQP_COMPL_WAIT_TIME_MS;
dev->hw_attrs.uk_attrs.hw_rev = ver;
irdma_sc_init_hw(dev);
if (irdma_wait_pe_ready(dev))
return -ETIMEDOUT;
val = readl(dev->hw_regs[IRDMA_GLPCI_LBARCTRL]);
db_size = (u8)FIELD_GET(IRDMA_GLPCI_LBARCTRL_PE_DB_SIZE, val);
if (db_size != IRDMA_PE_DB_SIZE_4M && db_size != IRDMA_PE_DB_SIZE_8M) {
ibdev_dbg(to_ibdev(dev),
"DEV: RDMA PE doorbell is not enabled in CSR val 0x%x db_size=%d\n",
val, db_size);
return -ENODEV;
}
dev->db_addr = dev->hw->hw_addr + (uintptr_t)dev->hw_regs[IRDMA_DB_ADDR_OFFSET];
return ret_code;
}
/**
* irdma_stat_val - Extract HW counter value from statistics buffer
* @stats_val: pointer to statistics buffer
* @byteoff: byte offset of counter value in the buffer (8B-aligned)
* @bitoff: bit offset of counter value within 8B entry
* @bitmask: maximum counter value (e.g. 0xffffff for 24-bit counter)
*/
static inline u64 irdma_stat_val(const u64 *stats_val, u16 byteoff, u8 bitoff,
u64 bitmask)
{
u16 idx = byteoff / sizeof(*stats_val);
return (stats_val[idx] >> bitoff) & bitmask;
}
/**
* irdma_stat_delta - Calculate counter delta
* @new_val: updated counter value
* @old_val: last counter value
* @max_val: maximum counter value (e.g. 0xffffff for 24-bit counter)
*/
static inline u64 irdma_stat_delta(u64 new_val, u64 old_val, u64 max_val)
{
if (new_val >= old_val)
return new_val - old_val;
/* roll-over case */
return max_val - old_val + new_val + 1;
}
/**
* irdma_update_stats - Update statistics
* @hw_stats: hw_stats instance to update
* @gather_stats: updated stat counters
* @last_gather_stats: last stat counters
* @map: HW stat map (hw_stats => gather_stats)
* @max_stat_idx: number of HW stats
*/
void irdma_update_stats(struct irdma_dev_hw_stats *hw_stats,
struct irdma_gather_stats *gather_stats,
struct irdma_gather_stats *last_gather_stats,
const struct irdma_hw_stat_map *map, u16 max_stat_idx)
{
u64 *stats_val = hw_stats->stats_val;
u16 i;
for (i = 0; i < max_stat_idx; i++) {
u64 new_val = irdma_stat_val(gather_stats->val, map[i].byteoff,
map[i].bitoff, map[i].bitmask);
u64 last_val = irdma_stat_val(last_gather_stats->val,
map[i].byteoff, map[i].bitoff,
map[i].bitmask);
stats_val[i] +=
irdma_stat_delta(new_val, last_val, map[i].bitmask);
}
memcpy(last_gather_stats, gather_stats, sizeof(*last_gather_stats));
}
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