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android-kvm / linux / a440e4d7618cbe232e4f96dea805bcb89f79b18c / . / drivers / infiniband / hw / i40iw / i40iw_ctrl.c
blob: c943d491b72bd3587c8a85f7dddf6a4c86b32efc [file] [log] [blame]
/*******************************************************************************
*
* Copyright (c) 2015-2016 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenFabrics.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*******************************************************************************/
#include "i40iw_osdep.h"
#include "i40iw_register.h"
#include "i40iw_status.h"
#include "i40iw_hmc.h"
#include "i40iw_d.h"
#include "i40iw_type.h"
#include "i40iw_p.h"
#include "i40iw_vf.h"
#include "i40iw_virtchnl.h"
/**
* i40iw_insert_wqe_hdr - write wqe header
* @wqe: cqp wqe for header
* @header: header for the cqp wqe
*/
void i40iw_insert_wqe_hdr(u64 *wqe, u64 header)
{
wmb(); /* make sure WQE is populated before polarity is set */
set_64bit_val(wqe, 24, header);
}
void i40iw_check_cqp_progress(struct i40iw_cqp_timeout *cqp_timeout, struct i40iw_sc_dev *dev)
{
if (cqp_timeout->compl_cqp_cmds != dev->cqp_cmd_stats[OP_COMPLETED_COMMANDS]) {
cqp_timeout->compl_cqp_cmds = dev->cqp_cmd_stats[OP_COMPLETED_COMMANDS];
cqp_timeout->count = 0;
} else {
if (dev->cqp_cmd_stats[OP_REQUESTED_COMMANDS] != cqp_timeout->compl_cqp_cmds)
cqp_timeout->count++;
}
}
/**
* i40iw_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 i40iw_get_cqp_reg_info(struct i40iw_sc_cqp *cqp,
u32 *val,
u32 *tail,
u32 *error)
{
if (cqp->dev->is_pf) {
*val = i40iw_rd32(cqp->dev->hw, I40E_PFPE_CQPTAIL);
*tail = RS_32(*val, I40E_PFPE_CQPTAIL_WQTAIL);
*error = RS_32(*val, I40E_PFPE_CQPTAIL_CQP_OP_ERR);
} else {
*val = i40iw_rd32(cqp->dev->hw, I40E_VFPE_CQPTAIL1);
*tail = RS_32(*val, I40E_VFPE_CQPTAIL_WQTAIL);
*error = RS_32(*val, I40E_VFPE_CQPTAIL_CQP_OP_ERR);
}
}
/**
* i40iw_cqp_poll_registers - poll cqp registers
* @cqp: struct for cqp hw
* @tail:wqtail register value
* @count: how many times to try for completion
*/
static enum i40iw_status_code i40iw_cqp_poll_registers(
struct i40iw_sc_cqp *cqp,
u32 tail,
u32 count)
{
u32 i = 0;
u32 newtail, error, val;
while (i < count) {
i++;
i40iw_get_cqp_reg_info(cqp, &val, &newtail, &error);
if (error) {
error = (cqp->dev->is_pf) ?
i40iw_rd32(cqp->dev->hw, I40E_PFPE_CQPERRCODES) :
i40iw_rd32(cqp->dev->hw, I40E_VFPE_CQPERRCODES1);
return I40IW_ERR_CQP_COMPL_ERROR;
}
if (newtail != tail) {
/* SUCCESS */
I40IW_RING_MOVE_TAIL(cqp->sq_ring);
cqp->dev->cqp_cmd_stats[OP_COMPLETED_COMMANDS]++;
return 0;
}
udelay(I40IW_SLEEP_COUNT);
}
return I40IW_ERR_TIMEOUT;
}
/**
* i40iw_sc_parse_fpm_commit_buf - parse fpm commit buffer
* @buf: ptr to fpm commit buffer
* @info: ptr to i40iw_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 enum i40iw_status_code i40iw_sc_parse_fpm_commit_buf(
u64 *buf,
struct i40iw_hmc_obj_info *info,
u32 *sd)
{
u64 temp;
u64 size;
u64 base = 0;
u32 i, j;
u32 k = 0;
/* copy base values in obj_info */
for (i = I40IW_HMC_IW_QP, j = 0; i <= I40IW_HMC_IW_PBLE; i++, j += 8) {
if ((i == I40IW_HMC_IW_SRQ) ||
(i == I40IW_HMC_IW_FSIMC) ||
(i == I40IW_HMC_IW_FSIAV)) {
info[i].base = 0;
info[i].cnt = 0;
continue;
}
get_64bit_val(buf, j, &temp);
info[i].base = RS_64_1(temp, 32) * 512;
if (info[i].base > base) {
base = info[i].base;
k = i;
}
if (i == I40IW_HMC_IW_APBVT_ENTRY) {
info[i].cnt = 1;
continue;
}
if (i == I40IW_HMC_IW_QP)
info[i].cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_QPS);
else if (i == I40IW_HMC_IW_CQ)
info[i].cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_CQS);
else
info[i].cnt = (u32)(temp);
}
size = info[k].cnt * info[k].size + info[k].base;
if (size & 0x1FFFFF)
*sd = (u32)((size >> 21) + 1); /* add 1 for remainder */
else
*sd = (u32)(size >> 21);
return 0;
}
/**
* i40iw_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
* @info: ptr to i40iw_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 i40iw_sc_decode_fpm_query(u64 *buf,
u32 buf_idx,
struct i40iw_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)RS_64_1(temp, 32);
obj_info[rsrc_idx].size = LS_64_1(1, size);
return temp;
}
/**
* i40iw_sc_parse_fpm_query_buf() - parses fpm query buffer
* @buf: ptr to fpm query buffer
* @info: ptr to i40iw_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 enum i40iw_status_code i40iw_sc_parse_fpm_query_buf(
u64 *buf,
struct i40iw_hmc_info *hmc_info,
struct i40iw_hmc_fpm_misc *hmc_fpm_misc)
{
struct i40iw_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)RS_64(temp, I40IW_QUERY_FPM_FIRST_PE_SD_INDEX);
max_pe_sds = (u16)RS_64(temp, I40IW_QUERY_FPM_MAX_PE_SDS);
/* Reduce SD count for VFs by 1 to account for PBLE backing page rounding */
if (hmc_info->hmc_fn_id >= I40IW_FIRST_VF_FPM_ID)
max_pe_sds--;
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[I40IW_HMC_IW_QP].max_cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_QPS);
size = (u32)RS_64_1(temp, 32);
obj_info[I40IW_HMC_IW_QP].size = LS_64_1(1, size);
get_64bit_val(buf, 16, &temp);
obj_info[I40IW_HMC_IW_CQ].max_cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_CQS);
size = (u32)RS_64_1(temp, 32);
obj_info[I40IW_HMC_IW_CQ].size = LS_64_1(1, size);
i40iw_sc_decode_fpm_query(buf, 32, obj_info, I40IW_HMC_IW_HTE);
i40iw_sc_decode_fpm_query(buf, 40, obj_info, I40IW_HMC_IW_ARP);
obj_info[I40IW_HMC_IW_APBVT_ENTRY].size = 8192;
obj_info[I40IW_HMC_IW_APBVT_ENTRY].max_cnt = 1;
i40iw_sc_decode_fpm_query(buf, 48, obj_info, I40IW_HMC_IW_MR);
i40iw_sc_decode_fpm_query(buf, 56, obj_info, I40IW_HMC_IW_XF);
get_64bit_val(buf, 64, &temp);
obj_info[I40IW_HMC_IW_XFFL].max_cnt = (u32)temp;
obj_info[I40IW_HMC_IW_XFFL].size = 4;
hmc_fpm_misc->xf_block_size = RS_64(temp, I40IW_QUERY_FPM_XFBLOCKSIZE);
if (!hmc_fpm_misc->xf_block_size)
return I40IW_ERR_INVALID_SIZE;
i40iw_sc_decode_fpm_query(buf, 72, obj_info, I40IW_HMC_IW_Q1);
get_64bit_val(buf, 80, &temp);
obj_info[I40IW_HMC_IW_Q1FL].max_cnt = (u32)temp;
obj_info[I40IW_HMC_IW_Q1FL].size = 4;
hmc_fpm_misc->q1_block_size = RS_64(temp, I40IW_QUERY_FPM_Q1BLOCKSIZE);
if (!hmc_fpm_misc->q1_block_size)
return I40IW_ERR_INVALID_SIZE;
i40iw_sc_decode_fpm_query(buf, 88, obj_info, I40IW_HMC_IW_TIMER);
get_64bit_val(buf, 112, &temp);
obj_info[I40IW_HMC_IW_PBLE].max_cnt = (u32)temp;
obj_info[I40IW_HMC_IW_PBLE].size = 8;
get_64bit_val(buf, 120, &temp);
hmc_fpm_misc->max_ceqs = (u8)RS_64(temp, I40IW_QUERY_FPM_MAX_CEQS);
hmc_fpm_misc->ht_multiplier = RS_64(temp, I40IW_QUERY_FPM_HTMULTIPLIER);
hmc_fpm_misc->timer_bucket = RS_64(temp, I40IW_QUERY_FPM_TIMERBUCKET);
return 0;
}
/**
* i40iw_fill_qos_list - Change all unknown qs handles to available ones
* @qs_list: list of qs_handles to be fixed with valid qs_handles
*/
static void i40iw_fill_qos_list(u16 *qs_list)
{
u16 qshandle = qs_list[0];
int i;
for (i = 0; i < I40IW_MAX_USER_PRIORITY; i++) {
if (qs_list[i] == QS_HANDLE_UNKNOWN)
qs_list[i] = qshandle;
else
qshandle = qs_list[i];
}
}
/**
* i40iw_qp_from_entry - Given entry, get to the qp structure
* @entry: Points to list of qp structure
*/
static struct i40iw_sc_qp *i40iw_qp_from_entry(struct list_head *entry)
{
if (!entry)
return NULL;
return (struct i40iw_sc_qp *)((char *)entry - offsetof(struct i40iw_sc_qp, list));
}
/**
* i40iw_get_qp - get the next qp from the list given current qp
* @head: Listhead of qp's
* @qp: current qp
*/
static struct i40iw_sc_qp *i40iw_get_qp(struct list_head *head, struct i40iw_sc_qp *qp)
{
struct list_head *entry = NULL;
struct list_head *lastentry;
if (list_empty(head))
return NULL;
if (!qp) {
entry = head->next;
} else {
lastentry = &qp->list;
entry = (lastentry != head) ? lastentry->next : NULL;
}
return i40iw_qp_from_entry(entry);
}
/**
* i40iw_change_l2params - given the new l2 parameters, change all qp
* @vsi: pointer to the vsi structure
* @l2params: New paramaters from l2
*/
void i40iw_change_l2params(struct i40iw_sc_vsi *vsi, struct i40iw_l2params *l2params)
{
struct i40iw_sc_dev *dev = vsi->dev;
struct i40iw_sc_qp *qp = NULL;
bool qs_handle_change = false;
unsigned long flags;
u16 qs_handle;
int i;
if (vsi->mtu != l2params->mtu) {
vsi->mtu = l2params->mtu;
i40iw_reinitialize_ieq(dev);
}
i40iw_fill_qos_list(l2params->qs_handle_list);
for (i = 0; i < I40IW_MAX_USER_PRIORITY; i++) {
qs_handle = l2params->qs_handle_list[i];
if (vsi->qos[i].qs_handle != qs_handle)
qs_handle_change = true;
spin_lock_irqsave(&vsi->qos[i].lock, flags);
qp = i40iw_get_qp(&vsi->qos[i].qplist, qp);
while (qp) {
if (qs_handle_change) {
qp->qs_handle = qs_handle;
/* issue cqp suspend command */
i40iw_qp_suspend_resume(dev, qp, true);
}
qp = i40iw_get_qp(&vsi->qos[i].qplist, qp);
}
spin_unlock_irqrestore(&vsi->qos[i].lock, flags);
vsi->qos[i].qs_handle = qs_handle;
}
}
/**
* i40iw_qp_rem_qos - remove qp from qos lists during destroy qp
* @qp: qp to be removed from qos
*/
void i40iw_qp_rem_qos(struct i40iw_sc_qp *qp)
{
struct i40iw_sc_vsi *vsi = qp->vsi;
unsigned long flags;
if (!qp->on_qoslist)
return;
spin_lock_irqsave(&vsi->qos[qp->user_pri].lock, flags);
list_del(&qp->list);
spin_unlock_irqrestore(&vsi->qos[qp->user_pri].lock, flags);
}
/**
* i40iw_qp_add_qos - called during setctx fot qp to be added to qos
* @qp: qp to be added to qos
*/
void i40iw_qp_add_qos(struct i40iw_sc_qp *qp)
{
struct i40iw_sc_vsi *vsi = qp->vsi;
unsigned long flags;
if (qp->on_qoslist)
return;
spin_lock_irqsave(&vsi->qos[qp->user_pri].lock, flags);
qp->qs_handle = vsi->qos[qp->user_pri].qs_handle;
list_add(&qp->list, &vsi->qos[qp->user_pri].qplist);
qp->on_qoslist = true;
spin_unlock_irqrestore(&vsi->qos[qp->user_pri].lock, flags);
}
/**
* i40iw_sc_pd_init - initialize sc pd struct
* @dev: sc device struct
* @pd: sc pd ptr
* @pd_id: pd_id for allocated pd
* @abi_ver: ABI version from user context, -1 if not valid
*/
static void i40iw_sc_pd_init(struct i40iw_sc_dev *dev,
struct i40iw_sc_pd *pd,
u16 pd_id,
int abi_ver)
{
pd->size = sizeof(*pd);
pd->pd_id = pd_id;
pd->abi_ver = abi_ver;
pd->dev = dev;
}
/**
* i40iw_get_encoded_wqe_size - given wq size, returns hardware encoded size
* @wqsize: size of the wq (sq, rq, srq) to encoded_size
* @cqpsq: encoded size for sq for cqp as its encoded size is 1+ other wq's
*/
u8 i40iw_get_encoded_wqe_size(u32 wqsize, bool cqpsq)
{
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 (cqpsq)
encoded_size = 1;
wqsize >>= 2;
while (wqsize >>= 1)
encoded_size++;
return encoded_size;
}
/**
* i40iw_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.
*/
static enum i40iw_status_code i40iw_sc_cqp_init(struct i40iw_sc_cqp *cqp,
struct i40iw_cqp_init_info *info)
{
u8 hw_sq_size;
if ((info->sq_size > I40IW_CQP_SW_SQSIZE_2048) ||
(info->sq_size < I40IW_CQP_SW_SQSIZE_4) ||
((info->sq_size & (info->sq_size - 1))))
return I40IW_ERR_INVALID_SIZE;
hw_sq_size = i40iw_get_encoded_wqe_size(info->sq_size, true);
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->scratch_array = info->scratch_array;
cqp->polarity = 0;
cqp->en_datacenter_tcp = info->en_datacenter_tcp;
cqp->enabled_vf_count = info->enabled_vf_count;
cqp->hmc_profile = info->hmc_profile;
info->dev->cqp = cqp;
I40IW_RING_INIT(cqp->sq_ring, cqp->sq_size);
cqp->dev->cqp_cmd_stats[OP_REQUESTED_COMMANDS] = 0;
cqp->dev->cqp_cmd_stats[OP_COMPLETED_COMMANDS] = 0;
INIT_LIST_HEAD(&cqp->dev->cqp_cmd_head); /* for the cqp commands backlog. */
i40iw_wr32(cqp->dev->hw, I40E_PFPE_CQPTAIL, 0);
i40iw_wr32(cqp->dev->hw, I40E_PFPE_CQPDB, 0);
i40iw_debug(cqp->dev, I40IW_DEBUG_WQE,
"%s: sq_size[%04d] hw_sq_size[%04d] sq_base[%p] sq_pa[%llxh] cqp[%p] polarity[x%04X]\n",
__func__, cqp->sq_size, cqp->hw_sq_size,
cqp->sq_base, cqp->sq_pa, cqp, cqp->polarity);
return 0;
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_cqp_create(struct i40iw_sc_cqp *cqp,
u16 *maj_err,
u16 *min_err)
{
u64 temp;
u32 cnt = 0, p1, p2, val = 0, err_code;
enum i40iw_status_code ret_code;
*maj_err = 0;
*min_err = 0;
ret_code = i40iw_allocate_dma_mem(cqp->dev->hw,
&cqp->sdbuf,
I40IW_UPDATE_SD_BUF_SIZE * cqp->sq_size,
I40IW_SD_BUF_ALIGNMENT);
if (ret_code)
goto exit;
temp = LS_64(cqp->hw_sq_size, I40IW_CQPHC_SQSIZE) |
LS_64(cqp->struct_ver, I40IW_CQPHC_SVER);
set_64bit_val(cqp->host_ctx, 0, temp);
set_64bit_val(cqp->host_ctx, 8, cqp->sq_pa);
temp = LS_64(cqp->enabled_vf_count, I40IW_CQPHC_ENABLED_VFS) |
LS_64(cqp->hmc_profile, I40IW_CQPHC_HMC_PROFILE);
set_64bit_val(cqp->host_ctx, 16, temp);
set_64bit_val(cqp->host_ctx, 24, (uintptr_t)cqp);
set_64bit_val(cqp->host_ctx, 32, 0);
set_64bit_val(cqp->host_ctx, 40, 0);
set_64bit_val(cqp->host_ctx, 48, 0);
set_64bit_val(cqp->host_ctx, 56, 0);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CQP_HOST_CTX",
cqp->host_ctx, I40IW_CQP_CTX_SIZE * 8);
p1 = RS_32_1(cqp->host_ctx_pa, 32);
p2 = (u32)cqp->host_ctx_pa;
if (cqp->dev->is_pf) {
i40iw_wr32(cqp->dev->hw, I40E_PFPE_CCQPHIGH, p1);
i40iw_wr32(cqp->dev->hw, I40E_PFPE_CCQPLOW, p2);
} else {
i40iw_wr32(cqp->dev->hw, I40E_VFPE_CCQPHIGH1, p1);
i40iw_wr32(cqp->dev->hw, I40E_VFPE_CCQPLOW1, p2);
}
do {
if (cnt++ > I40IW_DONE_COUNT) {
i40iw_free_dma_mem(cqp->dev->hw, &cqp->sdbuf);
ret_code = I40IW_ERR_TIMEOUT;
/*
* read PFPE_CQPERRORCODES register to get the minor
* and major error code
*/
if (cqp->dev->is_pf)
err_code = i40iw_rd32(cqp->dev->hw, I40E_PFPE_CQPERRCODES);
else
err_code = i40iw_rd32(cqp->dev->hw, I40E_VFPE_CQPERRCODES1);
*min_err = RS_32(err_code, I40E_PFPE_CQPERRCODES_CQP_MINOR_CODE);
*maj_err = RS_32(err_code, I40E_PFPE_CQPERRCODES_CQP_MAJOR_CODE);
goto exit;
}
udelay(I40IW_SLEEP_COUNT);
if (cqp->dev->is_pf)
val = i40iw_rd32(cqp->dev->hw, I40E_PFPE_CCQPSTATUS);
else
val = i40iw_rd32(cqp->dev->hw, I40E_VFPE_CCQPSTATUS1);
} while (!val);
exit:
if (!ret_code)
cqp->process_cqp_sds = i40iw_update_sds_noccq;
return ret_code;
}
/**
* i40iw_sc_cqp_post_sq - post of cqp's sq
* @cqp: struct for cqp hw
*/
void i40iw_sc_cqp_post_sq(struct i40iw_sc_cqp *cqp)
{
if (cqp->dev->is_pf)
i40iw_wr32(cqp->dev->hw, I40E_PFPE_CQPDB, I40IW_RING_GETCURRENT_HEAD(cqp->sq_ring));
else
i40iw_wr32(cqp->dev->hw, I40E_VFPE_CQPDB1, I40IW_RING_GETCURRENT_HEAD(cqp->sq_ring));
i40iw_debug(cqp->dev,
I40IW_DEBUG_WQE,
"%s: HEAD_TAIL[%04d,%04d,%04d]\n",
__func__,
cqp->sq_ring.head,
cqp->sq_ring.tail,
cqp->sq_ring.size);
}
/**
* i40iw_sc_cqp_get_next_send_wqe_idx - get next WQE on CQP SQ and pass back the index
* @cqp: pointer to CQP structure
* @scratch: private data for CQP WQE
* @wqe_idx: WQE index for next WQE on CQP SQ
*/
static u64 *i40iw_sc_cqp_get_next_send_wqe_idx(struct i40iw_sc_cqp *cqp,
u64 scratch, u32 *wqe_idx)
{
u64 *wqe = NULL;
enum i40iw_status_code ret_code;
if (I40IW_RING_FULL_ERR(cqp->sq_ring)) {
i40iw_debug(cqp->dev,
I40IW_DEBUG_WQE,
"%s: ring is full head %x tail %x size %x\n",
__func__,
cqp->sq_ring.head,
cqp->sq_ring.tail,
cqp->sq_ring.size);
return NULL;
}
I40IW_ATOMIC_RING_MOVE_HEAD(cqp->sq_ring, *wqe_idx, ret_code);
cqp->dev->cqp_cmd_stats[OP_REQUESTED_COMMANDS]++;
if (ret_code)
return NULL;
if (!*wqe_idx)
cqp->polarity = !cqp->polarity;
wqe = cqp->sq_base[*wqe_idx].elem;
cqp->scratch_array[*wqe_idx] = scratch;
I40IW_CQP_INIT_WQE(wqe);
return wqe;
}
/**
* i40iw_sc_cqp_get_next_send_wqe - get next wqe on cqp sq
* @cqp: struct for cqp hw
* @scratch: private data for CQP WQE
*/
u64 *i40iw_sc_cqp_get_next_send_wqe(struct i40iw_sc_cqp *cqp, u64 scratch)
{
u32 wqe_idx;
return i40iw_sc_cqp_get_next_send_wqe_idx(cqp, scratch, &wqe_idx);
}
/**
* i40iw_sc_cqp_destroy - destroy cqp during close
* @cqp: struct for cqp hw
*/
static enum i40iw_status_code i40iw_sc_cqp_destroy(struct i40iw_sc_cqp *cqp)
{
u32 cnt = 0, val = 1;
enum i40iw_status_code ret_code = 0;
u32 cqpstat_addr;
if (cqp->dev->is_pf) {
i40iw_wr32(cqp->dev->hw, I40E_PFPE_CCQPHIGH, 0);
i40iw_wr32(cqp->dev->hw, I40E_PFPE_CCQPLOW, 0);
cqpstat_addr = I40E_PFPE_CCQPSTATUS;
} else {
i40iw_wr32(cqp->dev->hw, I40E_VFPE_CCQPHIGH1, 0);
i40iw_wr32(cqp->dev->hw, I40E_VFPE_CCQPLOW1, 0);
cqpstat_addr = I40E_VFPE_CCQPSTATUS1;
}
do {
if (cnt++ > I40IW_DONE_COUNT) {
ret_code = I40IW_ERR_TIMEOUT;
break;
}
udelay(I40IW_SLEEP_COUNT);
val = i40iw_rd32(cqp->dev->hw, cqpstat_addr);
} while (val);
i40iw_free_dma_mem(cqp->dev->hw, &cqp->sdbuf);
return ret_code;
}
/**
* i40iw_sc_ccq_arm - enable intr for control cq
* @ccq: ccq sc struct
*/
static void i40iw_sc_ccq_arm(struct i40iw_sc_cq *ccq)
{
u64 temp_val;
u16 sw_cq_sel;
u8 arm_next_se;
u8 arm_seq_num;
/* write to cq doorbell shadow area */
/* arm next se should always be zero */
get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val);
sw_cq_sel = (u16)RS_64(temp_val, I40IW_CQ_DBSA_SW_CQ_SELECT);
arm_next_se = (u8)RS_64(temp_val, I40IW_CQ_DBSA_ARM_NEXT_SE);
arm_seq_num = (u8)RS_64(temp_val, I40IW_CQ_DBSA_ARM_SEQ_NUM);
arm_seq_num++;
temp_val = LS_64(arm_seq_num, I40IW_CQ_DBSA_ARM_SEQ_NUM) |
LS_64(sw_cq_sel, I40IW_CQ_DBSA_SW_CQ_SELECT) |
LS_64(arm_next_se, I40IW_CQ_DBSA_ARM_NEXT_SE) |
LS_64(1, I40IW_CQ_DBSA_ARM_NEXT);
set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val);
wmb(); /* make sure shadow area is updated before arming */
if (ccq->dev->is_pf)
i40iw_wr32(ccq->dev->hw, I40E_PFPE_CQARM, ccq->cq_uk.cq_id);
else
i40iw_wr32(ccq->dev->hw, I40E_VFPE_CQARM1, ccq->cq_uk.cq_id);
}
/**
* i40iw_sc_ccq_get_cqe_info - get ccq's cq entry
* @ccq: ccq sc struct
* @info: completion q entry to return
*/
static enum i40iw_status_code i40iw_sc_ccq_get_cqe_info(
struct i40iw_sc_cq *ccq,
struct i40iw_ccq_cqe_info *info)
{
u64 qp_ctx, temp, temp1;
u64 *cqe;
struct i40iw_sc_cqp *cqp;
u32 wqe_idx;
u8 polarity;
enum i40iw_status_code ret_code = 0;
if (ccq->cq_uk.avoid_mem_cflct)
cqe = (u64 *)I40IW_GET_CURRENT_EXTENDED_CQ_ELEMENT(&ccq->cq_uk);
else
cqe = (u64 *)I40IW_GET_CURRENT_CQ_ELEMENT(&ccq->cq_uk);
get_64bit_val(cqe, 24, &temp);
polarity = (u8)RS_64(temp, I40IW_CQ_VALID);
if (polarity != ccq->cq_uk.polarity)
return I40IW_ERR_QUEUE_EMPTY;
get_64bit_val(cqe, 8, &qp_ctx);
cqp = (struct i40iw_sc_cqp *)(unsigned long)qp_ctx;
info->error = (bool)RS_64(temp, I40IW_CQ_ERROR);
info->min_err_code = (u16)RS_64(temp, I40IW_CQ_MINERR);
if (info->error) {
info->maj_err_code = (u16)RS_64(temp, I40IW_CQ_MAJERR);
info->min_err_code = (u16)RS_64(temp, I40IW_CQ_MINERR);
}
wqe_idx = (u32)RS_64(temp, I40IW_CQ_WQEIDX);
info->scratch = cqp->scratch_array[wqe_idx];
get_64bit_val(cqe, 16, &temp1);
info->op_ret_val = (u32)RS_64(temp1, I40IW_CCQ_OPRETVAL);
get_64bit_val(cqp->sq_base[wqe_idx].elem, 24, &temp1);
info->op_code = (u8)RS_64(temp1, I40IW_CQPSQ_OPCODE);
info->cqp = cqp;
/* move the head for cq */
I40IW_RING_MOVE_HEAD(ccq->cq_uk.cq_ring, ret_code);
if (I40IW_RING_GETCURRENT_HEAD(ccq->cq_uk.cq_ring) == 0)
ccq->cq_uk.polarity ^= 1;
/* update cq tail in cq shadow memory also */
I40IW_RING_MOVE_TAIL(ccq->cq_uk.cq_ring);
set_64bit_val(ccq->cq_uk.shadow_area,
0,
I40IW_RING_GETCURRENT_HEAD(ccq->cq_uk.cq_ring));
wmb(); /* write shadow area before tail */
I40IW_RING_MOVE_TAIL(cqp->sq_ring);
ccq->dev->cqp_cmd_stats[OP_COMPLETED_COMMANDS]++;
return ret_code;
}
/**
* i40iw_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
* @info: completion q entry to return
*/
static enum i40iw_status_code i40iw_sc_poll_for_cqp_op_done(
struct i40iw_sc_cqp *cqp,
u8 op_code,
struct i40iw_ccq_cqe_info *compl_info)
{
struct i40iw_ccq_cqe_info info;
struct i40iw_sc_cq *ccq;
enum i40iw_status_code ret_code = 0;
u32 cnt = 0;
memset(&info, 0, sizeof(info));
ccq = cqp->dev->ccq;
while (1) {
if (cnt++ > I40IW_DONE_COUNT)
return I40IW_ERR_TIMEOUT;
if (i40iw_sc_ccq_get_cqe_info(ccq, &info)) {
udelay(I40IW_SLEEP_COUNT);
continue;
}
if (info.error) {
ret_code = I40IW_ERR_CQP_COMPL_ERROR;
break;
}
/* check if opcode is cq create */
if (op_code != info.op_code) {
i40iw_debug(cqp->dev, I40IW_DEBUG_WQE,
"%s: opcode mismatch for my op code 0x%x, returned opcode %x\n",
__func__, op_code, info.op_code);
}
/* success, exit out of the loop */
if (op_code == info.op_code)
break;
}
if (compl_info)
memcpy(compl_info, &info, sizeof(*compl_info));
return ret_code;
}
/**
* i40iw_sc_manage_hmc_pm_func_table - manage of function table
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @vf_index: vf index for cqp
* @free_pm_fcn: function number
* @post_sq: flag for cqp db to ring
*/
static enum i40iw_status_code i40iw_sc_manage_hmc_pm_func_table(
struct i40iw_sc_cqp *cqp,
u64 scratch,
u8 vf_index,
bool free_pm_fcn,
bool post_sq)
{
u64 *wqe;
u64 header;
if (vf_index >= I40IW_MAX_VF_PER_PF)
return I40IW_ERR_INVALID_VF_ID;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
header = LS_64(vf_index, I40IW_CQPSQ_MHMC_VFIDX) |
LS_64(I40IW_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE, I40IW_CQPSQ_OPCODE) |
LS_64(free_pm_fcn, I40IW_CQPSQ_MHMC_FREEPMFN) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_HMC_PM_FUNC_TABLE WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_set_hmc_resource_profile - cqp wqe for hmc profile
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @hmc_profile_type: type of profile to set
* @vf_num: vf number for profile
* @post_sq: flag for cqp db to ring
* @poll_registers: flag to poll register for cqp completion
*/
static enum i40iw_status_code i40iw_sc_set_hmc_resource_profile(
struct i40iw_sc_cqp *cqp,
u64 scratch,
u8 hmc_profile_type,
u8 vf_num, bool post_sq,
bool poll_registers)
{
u64 *wqe;
u64 header;
u32 val, tail, error;
enum i40iw_status_code ret_code = 0;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16,
(LS_64(hmc_profile_type, I40IW_CQPSQ_SHMCRP_HMC_PROFILE) |
LS_64(vf_num, I40IW_CQPSQ_SHMCRP_VFNUM)));
header = LS_64(I40IW_CQP_OP_SET_HMC_RESOURCE_PROFILE, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_HMC_PM_FUNC_TABLE WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
if (error)
return I40IW_ERR_CQP_COMPL_ERROR;
if (post_sq) {
i40iw_sc_cqp_post_sq(cqp);
if (poll_registers)
ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000000);
else
ret_code = i40iw_sc_poll_for_cqp_op_done(cqp,
I40IW_CQP_OP_SHMC_PAGES_ALLOCATED,
NULL);
}
return ret_code;
}
/**
* i40iw_sc_manage_hmc_pm_func_table_done - wait for cqp wqe completion for function table
* @cqp: struct for cqp hw
*/
static enum i40iw_status_code i40iw_sc_manage_hmc_pm_func_table_done(struct i40iw_sc_cqp *cqp)
{
return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE, NULL);
}
/**
* i40iw_sc_commit_fpm_values_done - wait for cqp eqe completion for fpm commit
* @cqp: struct for cqp hw
*/
static enum i40iw_status_code i40iw_sc_commit_fpm_values_done(struct i40iw_sc_cqp *cqp)
{
return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_COMMIT_FPM_VALUES, NULL);
}
/**
* i40iw_sc_commit_fpm_values - 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 enum i40iw_status_code i40iw_sc_commit_fpm_values(
struct i40iw_sc_cqp *cqp,
u64 scratch,
u8 hmc_fn_id,
struct i40iw_dma_mem *commit_fpm_mem,
bool post_sq,
u8 wait_type)
{
u64 *wqe;
u64 header;
u32 tail, val, error;
enum i40iw_status_code ret_code = 0;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16, hmc_fn_id);
set_64bit_val(wqe, 32, commit_fpm_mem->pa);
header = LS_64(I40IW_CQP_OP_COMMIT_FPM_VALUES, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "COMMIT_FPM_VALUES WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
if (error)
return I40IW_ERR_CQP_COMPL_ERROR;
if (post_sq) {
i40iw_sc_cqp_post_sq(cqp);
if (wait_type == I40IW_CQP_WAIT_POLL_REGS)
ret_code = i40iw_cqp_poll_registers(cqp, tail, I40IW_DONE_COUNT);
else if (wait_type == I40IW_CQP_WAIT_POLL_CQ)
ret_code = i40iw_sc_commit_fpm_values_done(cqp);
}
return ret_code;
}
/**
* i40iw_sc_query_rdma_features_done - poll cqp for query features done
* @cqp: struct for cqp hw
*/
static enum i40iw_status_code
i40iw_sc_query_rdma_features_done(struct i40iw_sc_cqp *cqp)
{
return i40iw_sc_poll_for_cqp_op_done(
cqp, I40IW_CQP_OP_QUERY_RDMA_FEATURES, NULL);
}
/**
* i40iw_sc_query_rdma_features - query rdma features
* @cqp: struct for cqp hw
* @feat_mem: holds PA for HW to use
* @scratch: u64 saved to be used during cqp completion
*/
static enum i40iw_status_code
i40iw_sc_query_rdma_features(struct i40iw_sc_cqp *cqp,
struct i40iw_dma_mem *feat_mem, u64 scratch)
{
u64 *wqe;
u64 header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 32, feat_mem->pa);
header = LS_64(I40IW_CQP_OP_QUERY_RDMA_FEATURES, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID) | feat_mem->size;
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QUERY RDMA FEATURES WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_get_rdma_features - get RDMA features
* @dev - sc device struct
*/
enum i40iw_status_code i40iw_get_rdma_features(struct i40iw_sc_dev *dev)
{
enum i40iw_status_code ret_code;
struct i40iw_dma_mem feat_buf;
u64 temp;
u16 byte_idx, feat_type, feat_cnt;
ret_code = i40iw_allocate_dma_mem(dev->hw, &feat_buf,
I40IW_FEATURE_BUF_SIZE,
I40IW_FEATURE_BUF_ALIGNMENT);
if (ret_code)
return I40IW_ERR_NO_MEMORY;
ret_code = i40iw_sc_query_rdma_features(dev->cqp, &feat_buf, 0);
if (!ret_code)
ret_code = i40iw_sc_query_rdma_features_done(dev->cqp);
if (ret_code)
goto exit;
get_64bit_val(feat_buf.va, 0, &temp);
feat_cnt = RS_64(temp, I40IW_FEATURE_CNT);
if (feat_cnt < I40IW_MAX_FEATURES) {
ret_code = I40IW_ERR_INVALID_FEAT_CNT;
goto exit;
} else if (feat_cnt > I40IW_MAX_FEATURES) {
i40iw_debug(dev, I40IW_DEBUG_CQP,
"features buf size insufficient\n");
}
for (byte_idx = 0, feat_type = 0; feat_type < I40IW_MAX_FEATURES;
feat_type++, byte_idx += 8) {
get_64bit_val((u64 *)feat_buf.va, byte_idx, &temp);
dev->feature_info[feat_type] = RS_64(temp, I40IW_FEATURE_INFO);
}
exit:
i40iw_free_dma_mem(dev->hw, &feat_buf);
return ret_code;
}
/**
* i40iw_sc_query_fpm_values_done - poll for cqp wqe completion for query fpm
* @cqp: struct for cqp hw
*/
static enum i40iw_status_code i40iw_sc_query_fpm_values_done(struct i40iw_sc_cqp *cqp)
{
return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_QUERY_FPM_VALUES, NULL);
}
/**
* i40iw_sc_query_fpm_values - 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 enum i40iw_status_code i40iw_sc_query_fpm_values(
struct i40iw_sc_cqp *cqp,
u64 scratch,
u8 hmc_fn_id,
struct i40iw_dma_mem *query_fpm_mem,
bool post_sq,
u8 wait_type)
{
u64 *wqe;
u64 header;
u32 tail, val, error;
enum i40iw_status_code ret_code = 0;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16, hmc_fn_id);
set_64bit_val(wqe, 32, query_fpm_mem->pa);
header = LS_64(I40IW_CQP_OP_QUERY_FPM_VALUES, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QUERY_FPM WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
/* read the tail from CQP_TAIL register */
i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
if (error)
return I40IW_ERR_CQP_COMPL_ERROR;
if (post_sq) {
i40iw_sc_cqp_post_sq(cqp);
if (wait_type == I40IW_CQP_WAIT_POLL_REGS)
ret_code = i40iw_cqp_poll_registers(cqp, tail, I40IW_DONE_COUNT);
else if (wait_type == I40IW_CQP_WAIT_POLL_CQ)
ret_code = i40iw_sc_query_fpm_values_done(cqp);
}
return ret_code;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_add_arp_cache_entry(
struct i40iw_sc_cqp *cqp,
struct i40iw_add_arp_cache_entry_info *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
u64 temp, header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 8, info->reach_max);
temp = info->mac_addr[5] |
LS_64_1(info->mac_addr[4], 8) |
LS_64_1(info->mac_addr[3], 16) |
LS_64_1(info->mac_addr[2], 24) |
LS_64_1(info->mac_addr[1], 32) |
LS_64_1(info->mac_addr[0], 40);
set_64bit_val(wqe, 16, temp);
header = info->arp_index |
LS_64(I40IW_CQP_OP_MANAGE_ARP, I40IW_CQPSQ_OPCODE) |
LS_64((info->permanent ? 1 : 0), I40IW_CQPSQ_MAT_PERMANENT) |
LS_64(1, I40IW_CQPSQ_MAT_ENTRYVALID) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "ARP_CACHE_ENTRY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_del_arp_cache_entry(
struct i40iw_sc_cqp *cqp,
u64 scratch,
u16 arp_index,
bool post_sq)
{
u64 *wqe;
u64 header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
header = arp_index |
LS_64(I40IW_CQP_OP_MANAGE_ARP, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "ARP_CACHE_DEL_ENTRY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_query_arp_cache_entry - cqp wqe to query arp and arp index
* @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 enum i40iw_status_code i40iw_sc_query_arp_cache_entry(
struct i40iw_sc_cqp *cqp,
u64 scratch,
u16 arp_index,
bool post_sq)
{
u64 *wqe;
u64 header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
header = arp_index |
LS_64(I40IW_CQP_OP_MANAGE_ARP, I40IW_CQPSQ_OPCODE) |
LS_64(1, I40IW_CQPSQ_MAT_QUERY) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QUERY_ARP_CACHE_ENTRY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_manage_apbvt_entry(
struct i40iw_sc_cqp *cqp,
struct i40iw_apbvt_info *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
u64 header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16, info->port);
header = LS_64(I40IW_CQP_OP_MANAGE_APBVT, I40IW_CQPSQ_OPCODE) |
LS_64(info->add, I40IW_CQPSQ_MAPT_ADDPORT) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_APBVT WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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 I40IW_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
* I40IW_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 enum i40iw_status_code i40iw_sc_manage_qhash_table_entry(
struct i40iw_sc_cqp *cqp,
struct i40iw_qhash_table_info *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
u64 qw1 = 0;
u64 qw2 = 0;
u64 temp;
struct i40iw_sc_vsi *vsi = info->vsi;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
temp = info->mac_addr[5] |
LS_64_1(info->mac_addr[4], 8) |
LS_64_1(info->mac_addr[3], 16) |
LS_64_1(info->mac_addr[2], 24) |
LS_64_1(info->mac_addr[1], 32) |
LS_64_1(info->mac_addr[0], 40);
set_64bit_val(wqe, 0, temp);
qw1 = LS_64(info->qp_num, I40IW_CQPSQ_QHASH_QPN) |
LS_64(info->dest_port, I40IW_CQPSQ_QHASH_DEST_PORT);
if (info->ipv4_valid) {
set_64bit_val(wqe,
48,
LS_64(info->dest_ip[0], I40IW_CQPSQ_QHASH_ADDR3));
} else {
set_64bit_val(wqe,
56,
LS_64(info->dest_ip[0], I40IW_CQPSQ_QHASH_ADDR0) |
LS_64(info->dest_ip[1], I40IW_CQPSQ_QHASH_ADDR1));
set_64bit_val(wqe,
48,
LS_64(info->dest_ip[2], I40IW_CQPSQ_QHASH_ADDR2) |
LS_64(info->dest_ip[3], I40IW_CQPSQ_QHASH_ADDR3));
}
qw2 = LS_64(vsi->qos[info->user_pri].qs_handle, I40IW_CQPSQ_QHASH_QS_HANDLE);
if (info->vlan_valid)
qw2 |= LS_64(info->vlan_id, I40IW_CQPSQ_QHASH_VLANID);
set_64bit_val(wqe, 16, qw2);
if (info->entry_type == I40IW_QHASH_TYPE_TCP_ESTABLISHED) {
qw1 |= LS_64(info->src_port, I40IW_CQPSQ_QHASH_SRC_PORT);
if (!info->ipv4_valid) {
set_64bit_val(wqe,
40,
LS_64(info->src_ip[0], I40IW_CQPSQ_QHASH_ADDR0) |
LS_64(info->src_ip[1], I40IW_CQPSQ_QHASH_ADDR1));
set_64bit_val(wqe,
32,
LS_64(info->src_ip[2], I40IW_CQPSQ_QHASH_ADDR2) |
LS_64(info->src_ip[3], I40IW_CQPSQ_QHASH_ADDR3));
} else {
set_64bit_val(wqe,
32,
LS_64(info->src_ip[0], I40IW_CQPSQ_QHASH_ADDR3));
}
}
set_64bit_val(wqe, 8, qw1);
temp = LS_64(cqp->polarity, I40IW_CQPSQ_QHASH_WQEVALID) |
LS_64(I40IW_CQP_OP_MANAGE_QUAD_HASH_TABLE_ENTRY, I40IW_CQPSQ_QHASH_OPCODE) |
LS_64(info->manage, I40IW_CQPSQ_QHASH_MANAGE) |
LS_64(info->ipv4_valid, I40IW_CQPSQ_QHASH_IPV4VALID) |
LS_64(info->vlan_valid, I40IW_CQPSQ_QHASH_VLANVALID) |
LS_64(info->entry_type, I40IW_CQPSQ_QHASH_ENTRYTYPE);
i40iw_insert_wqe_hdr(wqe, temp);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_QHASH WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_alloc_local_mac_ipaddr_entry - cqp wqe for loc 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 enum i40iw_status_code i40iw_sc_alloc_local_mac_ipaddr_entry(
struct i40iw_sc_cqp *cqp,
u64 scratch,
bool post_sq)
{
u64 *wqe;
u64 header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
header = LS_64(I40IW_CQP_OP_ALLOCATE_LOC_MAC_IP_TABLE_ENTRY, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "ALLOCATE_LOCAL_MAC_IPADDR WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_add_local_mac_ipaddr_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 enum i40iw_status_code i40iw_sc_add_local_mac_ipaddr_entry(
struct i40iw_sc_cqp *cqp,
struct i40iw_local_mac_ipaddr_entry_info *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
u64 temp, header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
temp = info->mac_addr[5] |
LS_64_1(info->mac_addr[4], 8) |
LS_64_1(info->mac_addr[3], 16) |
LS_64_1(info->mac_addr[2], 24) |
LS_64_1(info->mac_addr[1], 32) |
LS_64_1(info->mac_addr[0], 40);
set_64bit_val(wqe, 32, temp);
header = LS_64(info->entry_idx, I40IW_CQPSQ_MLIPA_IPTABLEIDX) |
LS_64(I40IW_CQP_OP_MANAGE_LOC_MAC_IP_TABLE, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "ADD_LOCAL_MAC_IPADDR WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_del_local_mac_ipaddr_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 enum i40iw_status_code i40iw_sc_del_local_mac_ipaddr_entry(
struct i40iw_sc_cqp *cqp,
u64 scratch,
u8 entry_idx,
u8 ignore_ref_count,
bool post_sq)
{
u64 *wqe;
u64 header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
header = LS_64(entry_idx, I40IW_CQPSQ_MLIPA_IPTABLEIDX) |
LS_64(I40IW_CQP_OP_MANAGE_LOC_MAC_IP_TABLE, I40IW_CQPSQ_OPCODE) |
LS_64(1, I40IW_CQPSQ_MLIPA_FREEENTRY) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID) |
LS_64(ignore_ref_count, I40IW_CQPSQ_MLIPA_IGNORE_REF_CNT);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "DEL_LOCAL_MAC_IPADDR WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_cqp_nop - send a nop wqe
* @cqp: struct for cqp hw
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static enum i40iw_status_code i40iw_sc_cqp_nop(struct i40iw_sc_cqp *cqp,
u64 scratch,
bool post_sq)
{
u64 *wqe;
u64 header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
header = LS_64(I40IW_CQP_OP_NOP, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "NOP WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_ceq_init - initialize ceq
* @ceq: ceq sc structure
* @info: ceq initialization info
*/
static enum i40iw_status_code i40iw_sc_ceq_init(struct i40iw_sc_ceq *ceq,
struct i40iw_ceq_init_info *info)
{
u32 pble_obj_cnt;
if ((info->elem_cnt < I40IW_MIN_CEQ_ENTRIES) ||
(info->elem_cnt > I40IW_MAX_CEQ_ENTRIES))
return I40IW_ERR_INVALID_SIZE;
if (info->ceq_id >= I40IW_MAX_CEQID)
return I40IW_ERR_INVALID_CEQ_ID;
pble_obj_cnt = info->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
if (info->virtual_map && (info->first_pm_pbl_idx >= pble_obj_cnt))
return I40IW_ERR_INVALID_PBLE_INDEX;
ceq->size = sizeof(*ceq);
ceq->ceqe_base = (struct i40iw_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->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->polarity = 1;
I40IW_RING_INIT(ceq->ceq_ring, ceq->elem_cnt);
ceq->dev->ceq[info->ceq_id] = ceq;
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_ceq_create(struct i40iw_sc_ceq *ceq,
u64 scratch,
bool post_sq)
{
struct i40iw_sc_cqp *cqp;
u64 *wqe;
u64 header;
cqp = ceq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
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, LS_64(ceq->tph_val, I40IW_CQPSQ_TPHVAL));
header = ceq->ceq_id |
LS_64(I40IW_CQP_OP_CREATE_CEQ, I40IW_CQPSQ_OPCODE) |
LS_64(ceq->pbl_chunk_size, I40IW_CQPSQ_CEQ_LPBLSIZE) |
LS_64(ceq->virtual_map, I40IW_CQPSQ_CEQ_VMAP) |
LS_64(ceq->tph_en, I40IW_CQPSQ_TPHEN) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CEQ_CREATE WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_cceq_create_done - poll for control ceq wqe to complete
* @ceq: ceq sc structure
*/
static enum i40iw_status_code i40iw_sc_cceq_create_done(struct i40iw_sc_ceq *ceq)
{
struct i40iw_sc_cqp *cqp;
cqp = ceq->dev->cqp;
return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_CREATE_CEQ, NULL);
}
/**
* i40iw_sc_cceq_destroy_done - poll for destroy cceq to complete
* @ceq: ceq sc structure
*/
static enum i40iw_status_code i40iw_sc_cceq_destroy_done(struct i40iw_sc_ceq *ceq)
{
struct i40iw_sc_cqp *cqp;
cqp = ceq->dev->cqp;
cqp->process_cqp_sds = i40iw_update_sds_noccq;
return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_DESTROY_CEQ, NULL);
}
/**
* i40iw_sc_cceq_create - create cceq
* @ceq: ceq sc structure
* @scratch: u64 saved to be used during cqp completion
*/
static enum i40iw_status_code i40iw_sc_cceq_create(struct i40iw_sc_ceq *ceq, u64 scratch)
{
enum i40iw_status_code ret_code;
ret_code = i40iw_sc_ceq_create(ceq, scratch, true);
if (!ret_code)
ret_code = i40iw_sc_cceq_create_done(ceq);
return ret_code;
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_ceq_destroy(struct i40iw_sc_ceq *ceq,
u64 scratch,
bool post_sq)
{
struct i40iw_sc_cqp *cqp;
u64 *wqe;
u64 header;
cqp = ceq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16, ceq->elem_cnt);
set_64bit_val(wqe, 48, ceq->first_pm_pbl_idx);
header = ceq->ceq_id |
LS_64(I40IW_CQP_OP_DESTROY_CEQ, I40IW_CQPSQ_OPCODE) |
LS_64(ceq->pbl_chunk_size, I40IW_CQPSQ_CEQ_LPBLSIZE) |
LS_64(ceq->virtual_map, I40IW_CQPSQ_CEQ_VMAP) |
LS_64(ceq->tph_en, I40IW_CQPSQ_TPHEN) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CEQ_DESTROY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_process_ceq - process ceq
* @dev: sc device struct
* @ceq: ceq sc structure
*/
static void *i40iw_sc_process_ceq(struct i40iw_sc_dev *dev, struct i40iw_sc_ceq *ceq)
{
u64 temp;
u64 *ceqe;
struct i40iw_sc_cq *cq = NULL;
u8 polarity;
ceqe = (u64 *)I40IW_GET_CURRENT_CEQ_ELEMENT(ceq);
get_64bit_val(ceqe, 0, &temp);
polarity = (u8)RS_64(temp, I40IW_CEQE_VALID);
if (polarity != ceq->polarity)
return cq;
cq = (struct i40iw_sc_cq *)(unsigned long)LS_64_1(temp, 1);
I40IW_RING_MOVE_TAIL(ceq->ceq_ring);
if (I40IW_RING_GETCURRENT_TAIL(ceq->ceq_ring) == 0)
ceq->polarity ^= 1;
if (dev->is_pf)
i40iw_wr32(dev->hw, I40E_PFPE_CQACK, cq->cq_uk.cq_id);
else
i40iw_wr32(dev->hw, I40E_VFPE_CQACK1, cq->cq_uk.cq_id);
return cq;
}
/**
* i40iw_sc_aeq_init - initialize aeq
* @aeq: aeq structure ptr
* @info: aeq initialization info
*/
static enum i40iw_status_code i40iw_sc_aeq_init(struct i40iw_sc_aeq *aeq,
struct i40iw_aeq_init_info *info)
{
u32 pble_obj_cnt;
if ((info->elem_cnt < I40IW_MIN_AEQ_ENTRIES) ||
(info->elem_cnt > I40IW_MAX_AEQ_ENTRIES))
return I40IW_ERR_INVALID_SIZE;
pble_obj_cnt = info->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
if (info->virtual_map && (info->first_pm_pbl_idx >= pble_obj_cnt))
return I40IW_ERR_INVALID_PBLE_INDEX;
aeq->size = sizeof(*aeq);
aeq->polarity = 1;
aeq->aeqe_base = (struct i40iw_sc_aeqe *)info->aeqe_base;
aeq->dev = info->dev;
aeq->elem_cnt = info->elem_cnt;
aeq->aeq_elem_pa = info->aeq_elem_pa;
I40IW_RING_INIT(aeq->aeq_ring, aeq->elem_cnt);
info->dev->aeq = aeq;
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);
info->dev->aeq = aeq;
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_aeq_create(struct i40iw_sc_aeq *aeq,
u64 scratch,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
cqp = aeq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
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));
header = LS_64(I40IW_CQP_OP_CREATE_AEQ, I40IW_CQPSQ_OPCODE) |
LS_64(aeq->pbl_chunk_size, I40IW_CQPSQ_AEQ_LPBLSIZE) |
LS_64(aeq->virtual_map, I40IW_CQPSQ_AEQ_VMAP) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "AEQ_CREATE WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_aeq_destroy(struct i40iw_sc_aeq *aeq,
u64 scratch,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
cqp = aeq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16, aeq->elem_cnt);
set_64bit_val(wqe, 48, aeq->first_pm_pbl_idx);
header = LS_64(I40IW_CQP_OP_DESTROY_AEQ, I40IW_CQPSQ_OPCODE) |
LS_64(aeq->pbl_chunk_size, I40IW_CQPSQ_AEQ_LPBLSIZE) |
LS_64(aeq->virtual_map, I40IW_CQPSQ_AEQ_VMAP) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "AEQ_DESTROY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_get_next_aeqe - get next aeq entry
* @aeq: aeq structure ptr
* @info: aeqe info to be returned
*/
static enum i40iw_status_code i40iw_sc_get_next_aeqe(struct i40iw_sc_aeq *aeq,
struct i40iw_aeqe_info *info)
{
u64 temp, compl_ctx;
u64 *aeqe;
u16 wqe_idx;
u8 ae_src;
u8 polarity;
aeqe = (u64 *)I40IW_GET_CURRENT_AEQ_ELEMENT(aeq);
get_64bit_val(aeqe, 0, &compl_ctx);
get_64bit_val(aeqe, 8, &temp);
polarity = (u8)RS_64(temp, I40IW_AEQE_VALID);
if (aeq->polarity != polarity)
return I40IW_ERR_QUEUE_EMPTY;
i40iw_debug_buf(aeq->dev, I40IW_DEBUG_WQE, "AEQ_ENTRY", aeqe, 16);
ae_src = (u8)RS_64(temp, I40IW_AEQE_AESRC);
wqe_idx = (u16)RS_64(temp, I40IW_AEQE_WQDESCIDX);
info->qp_cq_id = (u32)RS_64(temp, I40IW_AEQE_QPCQID);
info->ae_id = (u16)RS_64(temp, I40IW_AEQE_AECODE);
info->tcp_state = (u8)RS_64(temp, I40IW_AEQE_TCPSTATE);
info->iwarp_state = (u8)RS_64(temp, I40IW_AEQE_IWSTATE);
info->q2_data_written = (u8)RS_64(temp, I40IW_AEQE_Q2DATA);
info->aeqe_overflow = (bool)RS_64(temp, I40IW_AEQE_OVERFLOW);
switch (info->ae_id) {
case I40IW_AE_PRIV_OPERATION_DENIED:
case I40IW_AE_UDA_XMIT_DGRAM_TOO_LONG:
case I40IW_AE_UDA_XMIT_DGRAM_TOO_SHORT:
case I40IW_AE_BAD_CLOSE:
case I40IW_AE_RDMAP_ROE_BAD_LLP_CLOSE:
case I40IW_AE_RDMA_READ_WHILE_ORD_ZERO:
case I40IW_AE_STAG_ZERO_INVALID:
case I40IW_AE_IB_RREQ_AND_Q1_FULL:
case I40IW_AE_WQE_UNEXPECTED_OPCODE:
case I40IW_AE_DDP_UBE_INVALID_DDP_VERSION:
case I40IW_AE_DDP_UBE_INVALID_MO:
case I40IW_AE_DDP_UBE_INVALID_QN:
case I40IW_AE_DDP_NO_L_BIT:
case I40IW_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
case I40IW_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
case I40IW_AE_ROE_INVALID_RDMA_READ_REQUEST:
case I40IW_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
case I40IW_AE_INVALID_ARP_ENTRY:
case I40IW_AE_INVALID_TCP_OPTION_RCVD:
case I40IW_AE_STALE_ARP_ENTRY:
case I40IW_AE_LLP_CLOSE_COMPLETE:
case I40IW_AE_LLP_CONNECTION_RESET:
case I40IW_AE_LLP_FIN_RECEIVED:
case I40IW_AE_LLP_RECEIVED_MPA_CRC_ERROR:
case I40IW_AE_LLP_SEGMENT_TOO_SMALL:
case I40IW_AE_LLP_SYN_RECEIVED:
case I40IW_AE_LLP_TERMINATE_RECEIVED:
case I40IW_AE_LLP_TOO_MANY_RETRIES:
case I40IW_AE_LLP_DOUBT_REACHABILITY:
case I40IW_AE_RESET_SENT:
case I40IW_AE_TERMINATE_SENT:
case I40IW_AE_RESET_NOT_SENT:
case I40IW_AE_LCE_QP_CATASTROPHIC:
case I40IW_AE_QP_SUSPEND_COMPLETE:
info->qp = true;
info->compl_ctx = compl_ctx;
ae_src = I40IW_AE_SOURCE_RSVD;
break;
case I40IW_AE_LCE_CQ_CATASTROPHIC:
info->cq = true;
info->compl_ctx = LS_64_1(compl_ctx, 1);
ae_src = I40IW_AE_SOURCE_RSVD;
break;
}
switch (ae_src) {
case I40IW_AE_SOURCE_RQ:
case I40IW_AE_SOURCE_RQ_0011:
info->qp = true;
info->wqe_idx = wqe_idx;
info->compl_ctx = compl_ctx;
break;
case I40IW_AE_SOURCE_CQ:
case I40IW_AE_SOURCE_CQ_0110:
case I40IW_AE_SOURCE_CQ_1010:
case I40IW_AE_SOURCE_CQ_1110:
info->cq = true;
info->compl_ctx = LS_64_1(compl_ctx, 1);
break;
case I40IW_AE_SOURCE_SQ:
case I40IW_AE_SOURCE_SQ_0111:
info->qp = true;
info->sq = true;
info->wqe_idx = wqe_idx;
info->compl_ctx = compl_ctx;
break;
case I40IW_AE_SOURCE_IN_RR_WR:
case I40IW_AE_SOURCE_IN_RR_WR_1011:
info->qp = true;
info->compl_ctx = compl_ctx;
info->in_rdrsp_wr = true;
break;
case I40IW_AE_SOURCE_OUT_RR:
case I40IW_AE_SOURCE_OUT_RR_1111:
info->qp = true;
info->compl_ctx = compl_ctx;
info->out_rdrsp = true;
break;
case I40IW_AE_SOURCE_RSVD:
default:
break;
}
I40IW_RING_MOVE_TAIL(aeq->aeq_ring);
if (I40IW_RING_GETCURRENT_TAIL(aeq->aeq_ring) == 0)
aeq->polarity ^= 1;
return 0;
}
/**
* i40iw_sc_repost_aeq_entries - repost completed aeq entries
* @dev: sc device struct
* @count: allocate count
*/
static enum i40iw_status_code i40iw_sc_repost_aeq_entries(struct i40iw_sc_dev *dev,
u32 count)
{
if (dev->is_pf)
i40iw_wr32(dev->hw, I40E_PFPE_AEQALLOC, count);
else
i40iw_wr32(dev->hw, I40E_VFPE_AEQALLOC1, count);
return 0;
}
/**
* i40iw_sc_aeq_create_done - create aeq
* @aeq: aeq structure ptr
*/
static enum i40iw_status_code i40iw_sc_aeq_create_done(struct i40iw_sc_aeq *aeq)
{
struct i40iw_sc_cqp *cqp;
cqp = aeq->dev->cqp;
return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_CREATE_AEQ, NULL);
}
/**
* i40iw_sc_aeq_destroy_done - destroy of aeq during close
* @aeq: aeq structure ptr
*/
static enum i40iw_status_code i40iw_sc_aeq_destroy_done(struct i40iw_sc_aeq *aeq)
{
struct i40iw_sc_cqp *cqp;
cqp = aeq->dev->cqp;
return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_DESTROY_AEQ, NULL);
}
/**
* i40iw_sc_ccq_init - initialize control cq
* @cq: sc's cq ctruct
* @info: info for control cq initialization
*/
static enum i40iw_status_code i40iw_sc_ccq_init(struct i40iw_sc_cq *cq,
struct i40iw_ccq_init_info *info)
{
u32 pble_obj_cnt;
if (info->num_elem < I40IW_MIN_CQ_SIZE || info->num_elem > I40IW_MAX_CQ_SIZE)
return I40IW_ERR_INVALID_SIZE;
if (info->ceq_id > I40IW_MAX_CEQID)
return I40IW_ERR_INVALID_CEQ_ID;
pble_obj_cnt = info->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
if (info->virtual_map && (info->first_pm_pbl_idx >= pble_obj_cnt))
return I40IW_ERR_INVALID_PBLE_INDEX;
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 = I40IW_CQ_TYPE_CQP;
cq->ceqe_mask = info->ceqe_mask;
I40IW_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;
/* following are only for iw cqs so initialize them to zero */
cq->cq_uk.cqe_alloc_reg = NULL;
info->dev->ccq = cq;
return 0;
}
/**
* i40iw_sc_ccq_create_done - poll cqp for ccq create
* @ccq: ccq sc struct
*/
static enum i40iw_status_code i40iw_sc_ccq_create_done(struct i40iw_sc_cq *ccq)
{
struct i40iw_sc_cqp *cqp;
cqp = ccq->dev->cqp;
return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_CREATE_CQ, NULL);
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_ccq_create(struct i40iw_sc_cq *ccq,
u64 scratch,
bool check_overflow,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
enum i40iw_status_code ret_code;
cqp = ccq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 0, ccq->cq_uk.cq_size);
set_64bit_val(wqe, 8, RS_64_1(ccq, 1));
set_64bit_val(wqe, 16,
LS_64(ccq->shadow_read_threshold, I40IW_CQPSQ_CQ_SHADOW_READ_THRESHOLD));
set_64bit_val(wqe, 32, (ccq->virtual_map ? 0 : ccq->cq_pa));
set_64bit_val(wqe, 40, ccq->shadow_area_pa);
set_64bit_val(wqe, 48,
(ccq->virtual_map ? ccq->first_pm_pbl_idx : 0));
set_64bit_val(wqe, 56,
LS_64(ccq->tph_val, I40IW_CQPSQ_TPHVAL));
header = ccq->cq_uk.cq_id |
LS_64((ccq->ceq_id_valid ? ccq->ceq_id : 0), I40IW_CQPSQ_CQ_CEQID) |
LS_64(I40IW_CQP_OP_CREATE_CQ, I40IW_CQPSQ_OPCODE) |
LS_64(ccq->pbl_chunk_size, I40IW_CQPSQ_CQ_LPBLSIZE) |
LS_64(check_overflow, I40IW_CQPSQ_CQ_CHKOVERFLOW) |
LS_64(ccq->virtual_map, I40IW_CQPSQ_CQ_VIRTMAP) |
LS_64(ccq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
LS_64(ccq->ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
LS_64(ccq->tph_en, I40IW_CQPSQ_TPHEN) |
LS_64(ccq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CCQ_CREATE WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq) {
i40iw_sc_cqp_post_sq(cqp);
ret_code = i40iw_sc_ccq_create_done(ccq);
if (ret_code)
return ret_code;
}
cqp->process_cqp_sds = i40iw_cqp_sds_cmd;
return 0;
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_ccq_destroy(struct i40iw_sc_cq *ccq,
u64 scratch,
bool post_sq)
{
struct i40iw_sc_cqp *cqp;
u64 *wqe;
u64 header;
enum i40iw_status_code ret_code = 0;
u32 tail, val, error;
cqp = ccq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 0, ccq->cq_uk.cq_size);
set_64bit_val(wqe, 8, RS_64_1(ccq, 1));
set_64bit_val(wqe, 40, ccq->shadow_area_pa);
header = ccq->cq_uk.cq_id |
LS_64((ccq->ceq_id_valid ? ccq->ceq_id : 0), I40IW_CQPSQ_CQ_CEQID) |
LS_64(I40IW_CQP_OP_DESTROY_CQ, I40IW_CQPSQ_OPCODE) |
LS_64(ccq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
LS_64(ccq->ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
LS_64(ccq->tph_en, I40IW_CQPSQ_TPHEN) |
LS_64(ccq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CCQ_DESTROY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
if (error)
return I40IW_ERR_CQP_COMPL_ERROR;
if (post_sq) {
i40iw_sc_cqp_post_sq(cqp);
ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000);
}
cqp->process_cqp_sds = i40iw_update_sds_noccq;
return ret_code;
}
/**
* i40iw_sc_cq_init - initialize completion q
* @cq: cq struct
* @info: cq initialization info
*/
static enum i40iw_status_code i40iw_sc_cq_init(struct i40iw_sc_cq *cq,
struct i40iw_cq_init_info *info)
{
u32 __iomem *cqe_alloc_reg = NULL;
enum i40iw_status_code ret_code;
u32 pble_obj_cnt;
u32 arm_offset;
pble_obj_cnt = info->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
if (info->virtual_map && (info->first_pm_pbl_idx >= pble_obj_cnt))
return I40IW_ERR_INVALID_PBLE_INDEX;
cq->cq_pa = info->cq_base_pa;
cq->dev = info->dev;
cq->ceq_id = info->ceq_id;
arm_offset = (info->dev->is_pf) ? I40E_PFPE_CQARM : I40E_VFPE_CQARM1;
if (i40iw_get_hw_addr(cq->dev))
cqe_alloc_reg = (u32 __iomem *)(i40iw_get_hw_addr(cq->dev) +
arm_offset);
info->cq_uk_init_info.cqe_alloc_reg = cqe_alloc_reg;
ret_code = i40iw_cq_uk_init(&cq->cq_uk, &info->cq_uk_init_info);
if (ret_code)
return ret_code;
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 : I40IW_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;
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_cq_create(struct i40iw_sc_cq *cq,
u64 scratch,
bool check_overflow,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
if (cq->cq_uk.cq_id > I40IW_MAX_CQID)
return I40IW_ERR_INVALID_CQ_ID;
if (cq->ceq_id > I40IW_MAX_CEQID)
return I40IW_ERR_INVALID_CEQ_ID;
cqp = cq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
set_64bit_val(wqe, 8, RS_64_1(cq, 1));
set_64bit_val(wqe,
16,
LS_64(cq->shadow_read_threshold, I40IW_CQPSQ_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, (cq->virtual_map ? cq->first_pm_pbl_idx : 0));
set_64bit_val(wqe, 56, LS_64(cq->tph_val, I40IW_CQPSQ_TPHVAL));
header = cq->cq_uk.cq_id |
LS_64((cq->ceq_id_valid ? cq->ceq_id : 0), I40IW_CQPSQ_CQ_CEQID) |
LS_64(I40IW_CQP_OP_CREATE_CQ, I40IW_CQPSQ_OPCODE) |
LS_64(cq->pbl_chunk_size, I40IW_CQPSQ_CQ_LPBLSIZE) |
LS_64(check_overflow, I40IW_CQPSQ_CQ_CHKOVERFLOW) |
LS_64(cq->virtual_map, I40IW_CQPSQ_CQ_VIRTMAP) |
LS_64(cq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
LS_64(cq->ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
LS_64(cq->tph_en, I40IW_CQPSQ_TPHEN) |
LS_64(cq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CQ_CREATE WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_cq_destroy(struct i40iw_sc_cq *cq,
u64 scratch,
bool post_sq)
{
struct i40iw_sc_cqp *cqp;
u64 *wqe;
u64 header;
cqp = cq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
set_64bit_val(wqe, 8, RS_64_1(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));
header = cq->cq_uk.cq_id |
LS_64((cq->ceq_id_valid ? cq->ceq_id : 0), I40IW_CQPSQ_CQ_CEQID) |
LS_64(I40IW_CQP_OP_DESTROY_CQ, I40IW_CQPSQ_OPCODE) |
LS_64(cq->pbl_chunk_size, I40IW_CQPSQ_CQ_LPBLSIZE) |
LS_64(cq->virtual_map, I40IW_CQPSQ_CQ_VIRTMAP) |
LS_64(cq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
LS_64(cq->ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
LS_64(cq->tph_en, I40IW_CQPSQ_TPHEN) |
LS_64(cq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CQ_DESTROY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_cq_modify - modify a Completion Queue
* @cq: cq struct
* @info: modification info struct
* @scratch:
* @post_sq: flag to post to sq
*/
static enum i40iw_status_code i40iw_sc_cq_modify(struct i40iw_sc_cq *cq,
struct i40iw_modify_cq_info *info,
u64 scratch,
bool post_sq)
{
struct i40iw_sc_cqp *cqp;
u64 *wqe;
u64 header;
u32 cq_size, ceq_id, first_pm_pbl_idx;
u8 pbl_chunk_size;
bool virtual_map, ceq_id_valid, check_overflow;
u32 pble_obj_cnt;
if (info->ceq_valid && (info->ceq_id > I40IW_MAX_CEQID))
return I40IW_ERR_INVALID_CEQ_ID;
pble_obj_cnt = cq->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
if (info->cq_resize && info->virtual_map &&
(info->first_pm_pbl_idx >= pble_obj_cnt))
return I40IW_ERR_INVALID_PBLE_INDEX;
cqp = cq->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
cq->pbl_list = info->pbl_list;
cq->cq_pa = info->cq_pa;
cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
cq_size = info->cq_resize ? info->cq_size : cq->cq_uk.cq_size;
if (info->ceq_change) {
ceq_id_valid = true;
ceq_id = info->ceq_id;
} else {
ceq_id_valid = cq->ceq_id_valid;
ceq_id = ceq_id_valid ? cq->ceq_id : 0;
}
virtual_map = info->cq_resize ? info->virtual_map : cq->virtual_map;
first_pm_pbl_idx = (info->cq_resize ?
(info->virtual_map ? info->first_pm_pbl_idx : 0) :
(cq->virtual_map ? cq->first_pm_pbl_idx : 0));
pbl_chunk_size = (info->cq_resize ?
(info->virtual_map ? info->pbl_chunk_size : 0) :
(cq->virtual_map ? cq->pbl_chunk_size : 0));
check_overflow = info->check_overflow_change ? info->check_overflow :
cq->check_overflow;
cq->cq_uk.cq_size = cq_size;
cq->ceq_id_valid = ceq_id_valid;
cq->ceq_id = ceq_id;
cq->virtual_map = virtual_map;
cq->first_pm_pbl_idx = first_pm_pbl_idx;
cq->pbl_chunk_size = pbl_chunk_size;
cq->check_overflow = check_overflow;
set_64bit_val(wqe, 0, cq_size);
set_64bit_val(wqe, 8, RS_64_1(cq, 1));
set_64bit_val(wqe, 16,
LS_64(info->shadow_read_threshold, I40IW_CQPSQ_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, (cq->virtual_map ? first_pm_pbl_idx : 0));
set_64bit_val(wqe, 56, LS_64(cq->tph_val, I40IW_CQPSQ_TPHVAL));
header = cq->cq_uk.cq_id |
LS_64(ceq_id, I40IW_CQPSQ_CQ_CEQID) |
LS_64(I40IW_CQP_OP_MODIFY_CQ, I40IW_CQPSQ_OPCODE) |
LS_64(info->cq_resize, I40IW_CQPSQ_CQ_CQRESIZE) |
LS_64(pbl_chunk_size, I40IW_CQPSQ_CQ_LPBLSIZE) |
LS_64(check_overflow, I40IW_CQPSQ_CQ_CHKOVERFLOW) |
LS_64(virtual_map, I40IW_CQPSQ_CQ_VIRTMAP) |
LS_64(cq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
LS_64(ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
LS_64(cq->tph_en, I40IW_CQPSQ_TPHEN) |
LS_64(cq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CQ_MODIFY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_qp_init - initialize qp
* @qp: sc qp
* @info: initialization qp info
*/
static enum i40iw_status_code i40iw_sc_qp_init(struct i40iw_sc_qp *qp,
struct i40iw_qp_init_info *info)
{
u32 __iomem *wqe_alloc_reg = NULL;
enum i40iw_status_code ret_code;
u32 pble_obj_cnt;
u8 wqe_size;
u32 offset;
qp->dev = info->pd->dev;
qp->vsi = info->vsi;
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;
offset = (qp->pd->dev->is_pf) ? I40E_PFPE_WQEALLOC : I40E_VFPE_WQEALLOC1;
if (i40iw_get_hw_addr(qp->pd->dev))
wqe_alloc_reg = (u32 __iomem *)(i40iw_get_hw_addr(qp->pd->dev) +
offset);
info->qp_uk_init_info.wqe_alloc_reg = wqe_alloc_reg;
info->qp_uk_init_info.abi_ver = qp->pd->abi_ver;
ret_code = i40iw_qp_uk_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[I40IW_HMC_IW_PBLE].cnt;
if ((info->virtual_map && (info->sq_pa >= pble_obj_cnt)) ||
(info->virtual_map && (info->rq_pa >= pble_obj_cnt)))
return I40IW_ERR_INVALID_PBLE_INDEX;
qp->llp_stream_handle = (void *)(-1);
qp->qp_type = (info->type) ? info->type : I40IW_QP_TYPE_IWARP;
qp->hw_sq_size = i40iw_get_encoded_wqe_size(qp->qp_uk.sq_ring.size,
false);
i40iw_debug(qp->dev, I40IW_DEBUG_WQE, "%s: hw_sq_size[%04d] sq_ring.size[%04d]\n",
__func__, qp->hw_sq_size, qp->qp_uk.sq_ring.size);
switch (qp->pd->abi_ver) {
case 4:
ret_code = i40iw_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt,
&wqe_size);
if (ret_code)
return ret_code;
break;
case 5: /* fallthrough until next ABI version */
default:
if (qp->qp_uk.max_rq_frag_cnt > I40IW_MAX_WQ_FRAGMENT_COUNT)
return I40IW_ERR_INVALID_FRAG_COUNT;
wqe_size = I40IW_MAX_WQE_SIZE_RQ;
break;
}
qp->hw_rq_size = i40iw_get_encoded_wqe_size(qp->qp_uk.rq_size *
(wqe_size / I40IW_QP_WQE_MIN_SIZE), false);
i40iw_debug(qp->dev, I40IW_DEBUG_WQE,
"%s: hw_rq_size[%04d] qp_uk.rq_size[%04d] wqe_size[%04d]\n",
__func__, 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->qs_handle = qp->vsi->qos[qp->user_pri].qs_handle;
return 0;
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_qp_create(
struct i40iw_sc_qp *qp,
struct i40iw_create_qp_info *info,
u64 scratch,
bool post_sq)
{
struct i40iw_sc_cqp *cqp;
u64 *wqe;
u64 header;
if ((qp->qp_uk.qp_id < I40IW_MIN_IW_QP_ID) ||
(qp->qp_uk.qp_id > I40IW_MAX_IW_QP_ID))
return I40IW_ERR_INVALID_QP_ID;
cqp = qp->pd->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
set_64bit_val(wqe, 40, qp->shadow_area_pa);
header = qp->qp_uk.qp_id |
LS_64(I40IW_CQP_OP_CREATE_QP, I40IW_CQPSQ_OPCODE) |
LS_64((info->ord_valid ? 1 : 0), I40IW_CQPSQ_QP_ORDVALID) |
LS_64(info->tcp_ctx_valid, I40IW_CQPSQ_QP_TOECTXVALID) |
LS_64(qp->qp_type, I40IW_CQPSQ_QP_QPTYPE) |
LS_64(qp->virtual_map, I40IW_CQPSQ_QP_VQ) |
LS_64(info->cq_num_valid, I40IW_CQPSQ_QP_CQNUMVALID) |
LS_64(info->arp_cache_idx_valid, I40IW_CQPSQ_QP_ARPTABIDXVALID) |
LS_64(info->next_iwarp_state, I40IW_CQPSQ_QP_NEXTIWSTATE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QP_CREATE WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_qp_modify(
struct i40iw_sc_qp *qp,
struct i40iw_modify_qp_info *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
u8 term_actions = 0;
u8 term_len = 0;
cqp = qp->pd->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
if (info->next_iwarp_state == I40IW_QP_STATE_TERMINATE) {
if (info->dont_send_fin)
term_actions += I40IWQP_TERM_SEND_TERM_ONLY;
if (info->dont_send_term)
term_actions += I40IWQP_TERM_SEND_FIN_ONLY;
if ((term_actions == I40IWQP_TERM_SEND_TERM_AND_FIN) ||
(term_actions == I40IWQP_TERM_SEND_TERM_ONLY))
term_len = info->termlen;
}
set_64bit_val(wqe,
8,
LS_64(term_len, I40IW_CQPSQ_QP_TERMLEN));
set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
set_64bit_val(wqe, 40, qp->shadow_area_pa);
header = qp->qp_uk.qp_id |
LS_64(I40IW_CQP_OP_MODIFY_QP, I40IW_CQPSQ_OPCODE) |
LS_64(info->ord_valid, I40IW_CQPSQ_QP_ORDVALID) |
LS_64(info->tcp_ctx_valid, I40IW_CQPSQ_QP_TOECTXVALID) |
LS_64(info->cached_var_valid, I40IW_CQPSQ_QP_CACHEDVARVALID) |
LS_64(qp->virtual_map, I40IW_CQPSQ_QP_VQ) |
LS_64(info->cq_num_valid, I40IW_CQPSQ_QP_CQNUMVALID) |
LS_64(info->force_loopback, I40IW_CQPSQ_QP_FORCELOOPBACK) |
LS_64(qp->qp_type, I40IW_CQPSQ_QP_QPTYPE) |
LS_64(info->remove_hash_idx, I40IW_CQPSQ_QP_REMOVEHASHENTRY) |
LS_64(term_actions, I40IW_CQPSQ_QP_TERMACT) |
LS_64(info->reset_tcp_conn, I40IW_CQPSQ_QP_RESETCON) |
LS_64(info->arp_cache_idx_valid, I40IW_CQPSQ_QP_ARPTABIDXVALID) |
LS_64(info->next_iwarp_state, I40IW_CQPSQ_QP_NEXTIWSTATE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QP_MODIFY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_qp_destroy(
struct i40iw_sc_qp *qp,
u64 scratch,
bool remove_hash_idx,
bool ignore_mw_bnd,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
i40iw_qp_rem_qos(qp);
cqp = qp->pd->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
set_64bit_val(wqe, 40, qp->shadow_area_pa);
header = qp->qp_uk.qp_id |
LS_64(I40IW_CQP_OP_DESTROY_QP, I40IW_CQPSQ_OPCODE) |
LS_64(qp->qp_type, I40IW_CQPSQ_QP_QPTYPE) |
LS_64(ignore_mw_bnd, I40IW_CQPSQ_QP_IGNOREMWBOUND) |
LS_64(remove_hash_idx, I40IW_CQPSQ_QP_REMOVEHASHENTRY) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QP_DESTROY WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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
*/
static enum i40iw_status_code i40iw_sc_qp_flush_wqes(
struct i40iw_sc_qp *qp,
struct i40iw_qp_flush_info *info,
u64 scratch,
bool post_sq)
{
u64 temp = 0;
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
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)
return 0;
cqp = qp->pd->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
if (info->userflushcode) {
if (flush_rq) {
temp |= LS_64(info->rq_minor_code, I40IW_CQPSQ_FWQE_RQMNERR) |
LS_64(info->rq_major_code, I40IW_CQPSQ_FWQE_RQMJERR);
}
if (flush_sq) {
temp |= LS_64(info->sq_minor_code, I40IW_CQPSQ_FWQE_SQMNERR) |
LS_64(info->sq_major_code, I40IW_CQPSQ_FWQE_SQMJERR);
}
}
set_64bit_val(wqe, 16, temp);
temp = (info->generate_ae) ?
info->ae_code | LS_64(info->ae_source, I40IW_CQPSQ_FWQE_AESOURCE) : 0;
set_64bit_val(wqe, 8, temp);
header = qp->qp_uk.qp_id |
LS_64(I40IW_CQP_OP_FLUSH_WQES, I40IW_CQPSQ_OPCODE) |
LS_64(info->generate_ae, I40IW_CQPSQ_FWQE_GENERATE_AE) |
LS_64(info->userflushcode, I40IW_CQPSQ_FWQE_USERFLCODE) |
LS_64(flush_sq, I40IW_CQPSQ_FWQE_FLUSHSQ) |
LS_64(flush_rq, I40IW_CQPSQ_FWQE_FLUSHRQ) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QP_FLUSH WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_gen_ae - generate AE, currently 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 enum i40iw_status_code i40iw_sc_gen_ae(
struct i40iw_sc_qp *qp,
struct i40iw_gen_ae_info *info,
u64 scratch,
bool post_sq)
{
u64 temp;
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
cqp = qp->pd->dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
temp = info->ae_code |
LS_64(info->ae_source, I40IW_CQPSQ_FWQE_AESOURCE);
set_64bit_val(wqe, 8, temp);
header = qp->qp_uk.qp_id |
LS_64(I40IW_CQP_OP_GEN_AE, I40IW_CQPSQ_OPCODE) |
LS_64(1, I40IW_CQPSQ_FWQE_GENERATE_AE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "GEN_AE WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_qp_upload_context(
struct i40iw_sc_dev *dev,
struct i40iw_upload_context_info *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
cqp = dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 16, info->buf_pa);
header = LS_64(info->qp_id, I40IW_CQPSQ_UCTX_QPID) |
LS_64(I40IW_CQP_OP_UPLOAD_CONTEXT, I40IW_CQPSQ_OPCODE) |
LS_64(info->qp_type, I40IW_CQPSQ_UCTX_QPTYPE) |
LS_64(info->raw_format, I40IW_CQPSQ_UCTX_RAWFORMAT) |
LS_64(info->freeze_qp, I40IW_CQPSQ_UCTX_FREEZEQP) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "QP_UPLOAD_CTX WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_qp_setctx - set qp's context
* @qp: sc qp
* @qp_ctx: context ptr
* @info: ctx info
*/
static enum i40iw_status_code i40iw_sc_qp_setctx(
struct i40iw_sc_qp *qp,
u64 *qp_ctx,
struct i40iw_qp_host_ctx_info *info)
{
struct i40iwarp_offload_info *iw;
struct i40iw_tcp_offload_info *tcp;
struct i40iw_sc_vsi *vsi;
struct i40iw_sc_dev *dev;
u64 qw0, qw3, qw7 = 0;
iw = info->iwarp_info;
tcp = info->tcp_info;
vsi = qp->vsi;
dev = qp->dev;
if (info->add_to_qoslist) {
qp->user_pri = info->user_pri;
i40iw_qp_add_qos(qp);
i40iw_debug(qp->dev, I40IW_DEBUG_DCB, "%s qp[%d] UP[%d] qset[%d]\n",
__func__, qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle);
}
qw0 = LS_64(qp->qp_uk.rq_wqe_size, I40IWQPC_RQWQESIZE) |
LS_64(info->err_rq_idx_valid, I40IWQPC_ERR_RQ_IDX_VALID) |
LS_64(qp->rcv_tph_en, I40IWQPC_RCVTPHEN) |
LS_64(qp->xmit_tph_en, I40IWQPC_XMITTPHEN) |
LS_64(qp->rq_tph_en, I40IWQPC_RQTPHEN) |
LS_64(qp->sq_tph_en, I40IWQPC_SQTPHEN);
set_64bit_val(qp_ctx, 8, qp->sq_pa);
set_64bit_val(qp_ctx, 16, qp->rq_pa);
qw3 = LS_64(qp->src_mac_addr_idx, I40IWQPC_SRCMACADDRIDX) |
LS_64(qp->hw_rq_size, I40IWQPC_RQSIZE) |
LS_64(qp->hw_sq_size, I40IWQPC_SQSIZE);
set_64bit_val(qp_ctx,
128,
LS_64(info->err_rq_idx, I40IWQPC_ERR_RQ_IDX));
set_64bit_val(qp_ctx,
136,
LS_64(info->send_cq_num, I40IWQPC_TXCQNUM) |
LS_64(info->rcv_cq_num, I40IWQPC_RXCQNUM));
set_64bit_val(qp_ctx,
168,
LS_64(info->qp_compl_ctx, I40IWQPC_QPCOMPCTX));
set_64bit_val(qp_ctx,
176,
LS_64(qp->sq_tph_val, I40IWQPC_SQTPHVAL) |
LS_64(qp->rq_tph_val, I40IWQPC_RQTPHVAL) |
LS_64(qp->qs_handle, I40IWQPC_QSHANDLE) |
LS_64(vsi->exception_lan_queue, I40IWQPC_EXCEPTION_LAN_QUEUE));
if (info->iwarp_info_valid) {
qw0 |= LS_64(iw->ddp_ver, I40IWQPC_DDP_VER) |
LS_64(iw->rdmap_ver, I40IWQPC_RDMAP_VER);
qw7 |= LS_64(iw->pd_id, I40IWQPC_PDIDX);
set_64bit_val(qp_ctx,
144,
LS_64(qp->q2_pa, I40IWQPC_Q2ADDR) |
LS_64(vsi->fcn_id, I40IWQPC_STAT_INDEX));
set_64bit_val(qp_ctx,
152,
LS_64(iw->last_byte_sent, I40IWQPC_LASTBYTESENT));
set_64bit_val(qp_ctx,
160,
LS_64(iw->ord_size, I40IWQPC_ORDSIZE) |
LS_64(iw->ird_size, I40IWQPC_IRDSIZE) |
LS_64(iw->wr_rdresp_en, I40IWQPC_WRRDRSPOK) |
LS_64(iw->rd_enable, I40IWQPC_RDOK) |
LS_64(iw->snd_mark_en, I40IWQPC_SNDMARKERS) |
LS_64(iw->bind_en, I40IWQPC_BINDEN) |
LS_64(iw->fast_reg_en, I40IWQPC_FASTREGEN) |
LS_64(iw->priv_mode_en, I40IWQPC_PRIVEN) |
LS_64((((vsi->stats_fcn_id_alloc) &&
(dev->is_pf) && (vsi->fcn_id >= I40IW_FIRST_NON_PF_STAT)) ? 1 : 0),
I40IWQPC_USESTATSINSTANCE) |
LS_64(1, I40IWQPC_IWARPMODE) |
LS_64(iw->rcv_mark_en, I40IWQPC_RCVMARKERS) |
LS_64(iw->align_hdrs, I40IWQPC_ALIGNHDRS) |
LS_64(iw->rcv_no_mpa_crc, I40IWQPC_RCVNOMPACRC) |
LS_64(iw->rcv_mark_offset, I40IWQPC_RCVMARKOFFSET) |
LS_64(iw->snd_mark_offset, I40IWQPC_SNDMARKOFFSET));
}
if (info->tcp_info_valid) {
qw0 |= LS_64(tcp->ipv4, I40IWQPC_IPV4) |
LS_64(tcp->no_nagle, I40IWQPC_NONAGLE) |
LS_64(tcp->insert_vlan_tag, I40IWQPC_INSERTVLANTAG) |
LS_64(tcp->time_stamp, I40IWQPC_TIMESTAMP) |
LS_64(tcp->cwnd_inc_limit, I40IWQPC_LIMIT) |
LS_64(tcp->drop_ooo_seg, I40IWQPC_DROPOOOSEG) |
LS_64(tcp->dup_ack_thresh, I40IWQPC_DUPACK_THRESH);
qw3 |= LS_64(tcp->ttl, I40IWQPC_TTL) |
LS_64(tcp->src_mac_addr_idx, I40IWQPC_SRCMACADDRIDX) |
LS_64(tcp->avoid_stretch_ack, I40IWQPC_AVOIDSTRETCHACK) |
LS_64(tcp->tos, I40IWQPC_TOS) |
LS_64(tcp->src_port, I40IWQPC_SRCPORTNUM) |
LS_64(tcp->dst_port, I40IWQPC_DESTPORTNUM);
qp->src_mac_addr_idx = tcp->src_mac_addr_idx;
set_64bit_val(qp_ctx,
32,
LS_64(tcp->dest_ip_addr2, I40IWQPC_DESTIPADDR2) |
LS_64(tcp->dest_ip_addr3, I40IWQPC_DESTIPADDR3));
set_64bit_val(qp_ctx,
40,
LS_64(tcp->dest_ip_addr0, I40IWQPC_DESTIPADDR0) |
LS_64(tcp->dest_ip_addr1, I40IWQPC_DESTIPADDR1));
set_64bit_val(qp_ctx,
48,
LS_64(tcp->snd_mss, I40IWQPC_SNDMSS) |
LS_64(tcp->vlan_tag, I40IWQPC_VLANTAG) |
LS_64(tcp->arp_idx, I40IWQPC_ARPIDX));
qw7 |= LS_64(tcp->flow_label, I40IWQPC_FLOWLABEL) |
LS_64(tcp->wscale, I40IWQPC_WSCALE) |
LS_64(tcp->ignore_tcp_opt, I40IWQPC_IGNORE_TCP_OPT) |
LS_64(tcp->ignore_tcp_uns_opt, I40IWQPC_IGNORE_TCP_UNS_OPT) |
LS_64(tcp->tcp_state, I40IWQPC_TCPSTATE) |
LS_64(tcp->rcv_wscale, I40IWQPC_RCVSCALE) |
LS_64(tcp->snd_wscale, I40IWQPC_SNDSCALE);
set_64bit_val(qp_ctx,
72,
LS_64(tcp->time_stamp_recent, I40IWQPC_TIMESTAMP_RECENT) |
LS_64(tcp->time_stamp_age, I40IWQPC_TIMESTAMP_AGE));
set_64bit_val(qp_ctx,
80,
LS_64(tcp->snd_nxt, I40IWQPC_SNDNXT) |
LS_64(tcp->snd_wnd, I40IWQPC_SNDWND));
set_64bit_val(qp_ctx,
88,
LS_64(tcp->rcv_nxt, I40IWQPC_RCVNXT) |
LS_64(tcp->rcv_wnd, I40IWQPC_RCVWND));
set_64bit_val(qp_ctx,
96,
LS_64(tcp->snd_max, I40IWQPC_SNDMAX) |
LS_64(tcp->snd_una, I40IWQPC_SNDUNA));
set_64bit_val(qp_ctx,
104,
LS_64(tcp->srtt, I40IWQPC_SRTT) |
LS_64(tcp->rtt_var, I40IWQPC_RTTVAR));
set_64bit_val(qp_ctx,
112,
LS_64(tcp->ss_thresh, I40IWQPC_SSTHRESH) |
LS_64(tcp->cwnd, I40IWQPC_CWND));
set_64bit_val(qp_ctx,
120,
LS_64(tcp->snd_wl1, I40IWQPC_SNDWL1) |
LS_64(tcp->snd_wl2, I40IWQPC_SNDWL2));
set_64bit_val(qp_ctx,
128,
LS_64(tcp->max_snd_window, I40IWQPC_MAXSNDWND) |
LS_64(tcp->rexmit_thresh, I40IWQPC_REXMIT_THRESH));
set_64bit_val(qp_ctx,
184,
LS_64(tcp->local_ipaddr3, I40IWQPC_LOCAL_IPADDR3) |
LS_64(tcp->local_ipaddr2, I40IWQPC_LOCAL_IPADDR2));
set_64bit_val(qp_ctx,
192,
LS_64(tcp->local_ipaddr1, I40IWQPC_LOCAL_IPADDR1) |
LS_64(tcp->local_ipaddr0, I40IWQPC_LOCAL_IPADDR0));
}
set_64bit_val(qp_ctx, 0, qw0);
set_64bit_val(qp_ctx, 24, qw3);
set_64bit_val(qp_ctx, 56, qw7);
i40iw_debug_buf(qp->dev, I40IW_DEBUG_WQE, "QP_HOST)CTX WQE",
qp_ctx, I40IW_QP_CTX_SIZE);
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_alloc_stag(
struct i40iw_sc_dev *dev,
struct i40iw_allocate_stag_info *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 header;
enum i40iw_page_size page_size;
page_size = (info->page_size == 0x200000) ? I40IW_PAGE_SIZE_2M : I40IW_PAGE_SIZE_4K;
cqp = dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe,
8,
LS_64(info->pd_id, I40IW_CQPSQ_STAG_PDID) |
LS_64(info->total_len, I40IW_CQPSQ_STAG_STAGLEN));
set_64bit_val(wqe,
16,
LS_64(info->stag_idx, I40IW_CQPSQ_STAG_IDX));
set_64bit_val(wqe,
40,
LS_64(info->hmc_fcn_index, I40IW_CQPSQ_STAG_HMCFNIDX));
header = LS_64(I40IW_CQP_OP_ALLOC_STAG, I40IW_CQPSQ_OPCODE) |
LS_64(1, I40IW_CQPSQ_STAG_MR) |
LS_64(info->access_rights, I40IW_CQPSQ_STAG_ARIGHTS) |
LS_64(info->chunk_size, I40IW_CQPSQ_STAG_LPBLSIZE) |
LS_64(page_size, I40IW_CQPSQ_STAG_HPAGESIZE) |
LS_64(info->remote_access, I40IW_CQPSQ_STAG_REMACCENABLED) |
LS_64(info->use_hmc_fcn_index, I40IW_CQPSQ_STAG_USEHMCFNIDX) |
LS_64(info->use_pf_rid, I40IW_CQPSQ_STAG_USEPFRID) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "ALLOC_STAG WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_mr_reg_non_shared(
struct i40iw_sc_dev *dev,
struct i40iw_reg_ns_stag_info *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
u64 temp;
struct i40iw_sc_cqp *cqp;
u64 header;
u32 pble_obj_cnt;
bool remote_access;
u8 addr_type;
enum i40iw_page_size page_size;
page_size = (info->page_size == 0x200000) ? I40IW_PAGE_SIZE_2M : I40IW_PAGE_SIZE_4K;
if (info->access_rights & (I40IW_ACCESS_FLAGS_REMOTEREAD_ONLY |
I40IW_ACCESS_FLAGS_REMOTEWRITE_ONLY))
remote_access = true;
else
remote_access = false;
pble_obj_cnt = dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
if (info->chunk_size && (info->first_pm_pbl_index >= pble_obj_cnt))
return I40IW_ERR_INVALID_PBLE_INDEX;
cqp = dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
temp = (info->addr_type == I40IW_ADDR_TYPE_VA_BASED) ? (uintptr_t)info->va : info->fbo;
set_64bit_val(wqe, 0, temp);
set_64bit_val(wqe,
8,
LS_64(info->total_len, I40IW_CQPSQ_STAG_STAGLEN) |
LS_64(info->pd_id, I40IW_CQPSQ_STAG_PDID));
set_64bit_val(wqe,
16,
LS_64(info->stag_key, I40IW_CQPSQ_STAG_KEY) |
LS_64(info->stag_idx, I40IW_CQPSQ_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, 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 == I40IW_ADDR_TYPE_VA_BASED) ? 1 : 0;
header = LS_64(I40IW_CQP_OP_REG_MR, I40IW_CQPSQ_OPCODE) |
LS_64(1, I40IW_CQPSQ_STAG_MR) |
LS_64(info->chunk_size, I40IW_CQPSQ_STAG_LPBLSIZE) |
LS_64(page_size, I40IW_CQPSQ_STAG_HPAGESIZE) |
LS_64(info->access_rights, I40IW_CQPSQ_STAG_ARIGHTS) |
LS_64(remote_access, I40IW_CQPSQ_STAG_REMACCENABLED) |
LS_64(addr_type, I40IW_CQPSQ_STAG_VABASEDTO) |
LS_64(info->use_hmc_fcn_index, I40IW_CQPSQ_STAG_USEHMCFNIDX) |
LS_64(info->use_pf_rid, I40IW_CQPSQ_STAG_USEPFRID) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "MR_REG_NS WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_mr_reg_shared - registered shared memory region
* @dev: sc device struct
* @info: info for shared memory registeration
* @scratch: u64 saved to be used during cqp completion
* @post_sq: flag for cqp db to ring
*/
static enum i40iw_status_code i40iw_sc_mr_reg_shared(
struct i40iw_sc_dev *dev,
struct i40iw_register_shared_stag *info,
u64 scratch,
bool post_sq)
{
u64 *wqe;
struct i40iw_sc_cqp *cqp;
u64 temp, va64, fbo, header;
u32 va32;
bool remote_access;
u8 addr_type;
if (info->access_rights & (I40IW_ACCESS_FLAGS_REMOTEREAD_ONLY |
I40IW_ACCESS_FLAGS_REMOTEWRITE_ONLY))
remote_access = true;
else
remote_access = false;
cqp = dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
va64 = (uintptr_t)(info->va);
va32 = (u32)(va64 & 0x00000000FFFFFFFF);
fbo = (u64)(va32 & (4096 - 1));
set_64bit_val(wqe,
0,
(info->addr_type == I40IW_ADDR_TYPE_VA_BASED ? (uintptr_t)info->va : fbo));
set_64bit_val(wqe,
8,
LS_64(info->pd_id, I40IW_CQPSQ_STAG_PDID));
temp = LS_64(info->new_stag_key, I40IW_CQPSQ_STAG_KEY) |
LS_64(info->new_stag_idx, I40IW_CQPSQ_STAG_IDX) |
LS_64(info->parent_stag_idx, I40IW_CQPSQ_STAG_PARENTSTAGIDX);
set_64bit_val(wqe, 16, temp);
addr_type = (info->addr_type == I40IW_ADDR_TYPE_VA_BASED) ? 1 : 0;
header = LS_64(I40IW_CQP_OP_REG_SMR, I40IW_CQPSQ_OPCODE) |
LS_64(1, I40IW_CQPSQ_STAG_MR) |
LS_64(info->access_rights, I40IW_CQPSQ_STAG_ARIGHTS) |
LS_64(remote_access, I40IW_CQPSQ_STAG_REMACCENABLED) |
LS_64(addr_type, I40IW_CQPSQ_STAG_VABASEDTO) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "MR_REG_SHARED WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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 enum i40iw_status_code i40iw_sc_dealloc_stag(
struct i40iw_sc_dev *dev,
struct i40iw_dealloc_stag_info *info,
u64 scratch,
bool post_sq)
{
u64 header;
u64 *wqe;
struct i40iw_sc_cqp *cqp;
cqp = dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe,
8,
LS_64(info->pd_id, I40IW_CQPSQ_STAG_PDID));
set_64bit_val(wqe,
16,
LS_64(info->stag_idx, I40IW_CQPSQ_STAG_IDX));
header = LS_64(I40IW_CQP_OP_DEALLOC_STAG, I40IW_CQPSQ_OPCODE) |
LS_64(info->mr, I40IW_CQPSQ_STAG_MR) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "DEALLOC_STAG WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_query_stag - query hardware for stag
* @dev: sc device struct
* @scratch: u64 saved to be used during cqp completion
* @stag_index: stag index for query
* @post_sq: flag for cqp db to ring
*/
static enum i40iw_status_code i40iw_sc_query_stag(struct i40iw_sc_dev *dev,
u64 scratch,
u32 stag_index,
bool post_sq)
{
u64 header;
u64 *wqe;
struct i40iw_sc_cqp *cqp;
cqp = dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe,
16,
LS_64(stag_index, I40IW_CQPSQ_QUERYSTAG_IDX));
header = LS_64(I40IW_CQP_OP_QUERY_STAG, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "QUERY_STAG WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_sc_mw_alloc - mw allocate
* @dev: sc device struct
* @scratch: u64 saved to be used during cqp completion
* @mw_stag_index:stag index
* @pd_id: pd is for this mw
* @post_sq: flag for cqp db to ring
*/
static enum i40iw_status_code i40iw_sc_mw_alloc(
struct i40iw_sc_dev *dev,
u64 scratch,
u32 mw_stag_index,
u16 pd_id,
bool post_sq)
{
u64 header;
struct i40iw_sc_cqp *cqp;
u64 *wqe;
cqp = dev->cqp;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 8, LS_64(pd_id, I40IW_CQPSQ_STAG_PDID));
set_64bit_val(wqe,
16,
LS_64(mw_stag_index, I40IW_CQPSQ_STAG_IDX));
header = LS_64(I40IW_CQP_OP_ALLOC_STAG, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "MW_ALLOC WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
if (post_sq)
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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
*/
enum i40iw_status_code i40iw_sc_mr_fast_register(
struct i40iw_sc_qp *qp,
struct i40iw_fast_reg_stag_info *info,
bool post_sq)
{
u64 temp, header;
u64 *wqe;
u32 wqe_idx;
enum i40iw_page_size page_size;
page_size = (info->page_size == 0x200000) ? I40IW_PAGE_SIZE_2M : I40IW_PAGE_SIZE_4K;
wqe = i40iw_qp_get_next_send_wqe(&qp->qp_uk, &wqe_idx, I40IW_QP_WQE_MIN_SIZE,
0, info->wr_id);
if (!wqe)
return I40IW_ERR_QP_TOOMANY_WRS_POSTED;
i40iw_debug(qp->dev, I40IW_DEBUG_MR, "%s: wr_id[%llxh] wqe_idx[%04d] location[%p]\n",
__func__, info->wr_id, wqe_idx,
&qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid);
temp = (info->addr_type == I40IW_ADDR_TYPE_VA_BASED) ? (uintptr_t)info->va : info->fbo;
set_64bit_val(wqe, 0, temp);
temp = RS_64(info->first_pm_pbl_index >> 16, I40IWQPSQ_FIRSTPMPBLIDXHI);
set_64bit_val(wqe,
8,
LS_64(temp, I40IWQPSQ_FIRSTPMPBLIDXHI) |
LS_64(info->reg_addr_pa >> I40IWQPSQ_PBLADDR_SHIFT, I40IWQPSQ_PBLADDR));
set_64bit_val(wqe,
16,
info->total_len |
LS_64(info->first_pm_pbl_index, I40IWQPSQ_FIRSTPMPBLIDXLO));
header = LS_64(info->stag_key, I40IWQPSQ_STAGKEY) |
LS_64(info->stag_idx, I40IWQPSQ_STAGINDEX) |
LS_64(I40IWQP_OP_FAST_REGISTER, I40IWQPSQ_OPCODE) |
LS_64(info->chunk_size, I40IWQPSQ_LPBLSIZE) |
LS_64(page_size, I40IWQPSQ_HPAGESIZE) |
LS_64(info->access_rights, I40IWQPSQ_STAGRIGHTS) |
LS_64(info->addr_type, I40IWQPSQ_VABASEDTO) |
LS_64(info->read_fence, I40IWQPSQ_READFENCE) |
LS_64(info->local_fence, I40IWQPSQ_LOCALFENCE) |
LS_64(info->signaled, I40IWQPSQ_SIGCOMPL) |
LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(qp->dev, I40IW_DEBUG_WQE, "FAST_REG WQE",
wqe, I40IW_QP_WQE_MIN_SIZE);
if (post_sq)
i40iw_qp_post_wr(&qp->qp_uk);
return 0;
}
/**
* i40iw_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
*/
static void i40iw_sc_send_lsmm(struct i40iw_sc_qp *qp,
void *lsmm_buf,
u32 size,
i40iw_stag stag)
{
u64 *wqe;
u64 header;
struct i40iw_qp_uk *qp_uk;
qp_uk = &qp->qp_uk;
wqe = qp_uk->sq_base->elem;
set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf);
set_64bit_val(wqe, 8, (size | LS_64(stag, I40IWQPSQ_FRAG_STAG)));
set_64bit_val(wqe, 16, 0);
header = LS_64(I40IWQP_OP_RDMA_SEND, I40IWQPSQ_OPCODE) |
LS_64(1, I40IWQPSQ_STREAMMODE) |
LS_64(1, I40IWQPSQ_WAITFORRCVPDU) |
LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(qp->dev, I40IW_DEBUG_QP, "SEND_LSMM WQE",
wqe, I40IW_QP_WQE_MIN_SIZE);
}
/**
* i40iw_sc_send_lsmm_nostag - for privilege qp
* @qp: sc qp struct
* @lsmm_buf: buffer with lsmm message
* @size: size of lsmm buffer
*/
static void i40iw_sc_send_lsmm_nostag(struct i40iw_sc_qp *qp,
void *lsmm_buf,
u32 size)
{
u64 *wqe;
u64 header;
struct i40iw_qp_uk *qp_uk;
qp_uk = &qp->qp_uk;
wqe = qp_uk->sq_base->elem;
set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf);
set_64bit_val(wqe, 8, size);
set_64bit_val(wqe, 16, 0);
header = LS_64(I40IWQP_OP_RDMA_SEND, I40IWQPSQ_OPCODE) |
LS_64(1, I40IWQPSQ_STREAMMODE) |
LS_64(1, I40IWQPSQ_WAITFORRCVPDU) |
LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(qp->dev, I40IW_DEBUG_WQE, "SEND_LSMM_NOSTAG WQE",
wqe, I40IW_QP_WQE_MIN_SIZE);
}
/**
* i40iw_sc_send_rtt - send last read0 or write0
* @qp: sc qp struct
* @read: Do read0 or write0
*/
static void i40iw_sc_send_rtt(struct i40iw_sc_qp *qp, bool read)
{
u64 *wqe;
u64 header;
struct i40iw_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, 8, 0);
set_64bit_val(wqe, 16, 0);
if (read) {
header = LS_64(0x1234, I40IWQPSQ_REMSTAG) |
LS_64(I40IWQP_OP_RDMA_READ, I40IWQPSQ_OPCODE) |
LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
set_64bit_val(wqe, 8, ((u64)0xabcd << 32));
} else {
header = LS_64(I40IWQP_OP_RDMA_WRITE, I40IWQPSQ_OPCODE) |
LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
}
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(qp->dev, I40IW_DEBUG_WQE, "RTR WQE",
wqe, I40IW_QP_WQE_MIN_SIZE);
}
/**
* i40iw_sc_post_wqe0 - send wqe with opcode
* @qp: sc qp struct
* @opcode: opcode to use for wqe0
*/
static enum i40iw_status_code i40iw_sc_post_wqe0(struct i40iw_sc_qp *qp, u8 opcode)
{
u64 *wqe;
u64 header;
struct i40iw_qp_uk *qp_uk;
qp_uk = &qp->qp_uk;
wqe = qp_uk->sq_base->elem;
if (!wqe)
return I40IW_ERR_QP_TOOMANY_WRS_POSTED;
switch (opcode) {
case I40IWQP_OP_NOP:
set_64bit_val(wqe, 0, 0);
set_64bit_val(wqe, 8, 0);
set_64bit_val(wqe, 16, 0);
header = LS_64(I40IWQP_OP_NOP, I40IWQPSQ_OPCODE) |
LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
i40iw_insert_wqe_hdr(wqe, header);
break;
case I40IWQP_OP_RDMA_SEND:
set_64bit_val(wqe, 0, 0);
set_64bit_val(wqe, 8, 0);
set_64bit_val(wqe, 16, 0);
header = LS_64(I40IWQP_OP_RDMA_SEND, I40IWQPSQ_OPCODE) |
LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID) |
LS_64(1, I40IWQPSQ_STREAMMODE) |
LS_64(1, I40IWQPSQ_WAITFORRCVPDU);
i40iw_insert_wqe_hdr(wqe, header);
break;
default:
i40iw_debug(qp->dev, I40IW_DEBUG_QP, "%s: Invalid WQE zero opcode\n",
__func__);
break;
}
return 0;
}
/**
* i40iw_sc_init_iw_hmc() - queries fpm values using cqp and populates hmc_info
* @dev : ptr to i40iw_dev struct
* @hmc_fn_id: hmc function id
*/
enum i40iw_status_code i40iw_sc_init_iw_hmc(struct i40iw_sc_dev *dev, u8 hmc_fn_id)
{
struct i40iw_hmc_info *hmc_info;
struct i40iw_dma_mem query_fpm_mem;
struct i40iw_virt_mem virt_mem;
struct i40iw_vfdev *vf_dev = NULL;
u32 mem_size;
enum i40iw_status_code ret_code = 0;
bool poll_registers = true;
u16 iw_vf_idx;
u8 wait_type;
if (hmc_fn_id >= I40IW_MAX_VF_FPM_ID ||
(dev->hmc_fn_id != hmc_fn_id && hmc_fn_id < I40IW_FIRST_VF_FPM_ID))
return I40IW_ERR_INVALID_HMCFN_ID;
i40iw_debug(dev, I40IW_DEBUG_HMC, "hmc_fn_id %u, dev->hmc_fn_id %u\n", hmc_fn_id,
dev->hmc_fn_id);
if (hmc_fn_id == dev->hmc_fn_id) {
hmc_info = dev->hmc_info;
query_fpm_mem.pa = dev->fpm_query_buf_pa;
query_fpm_mem.va = dev->fpm_query_buf;
} else {
vf_dev = i40iw_vfdev_from_fpm(dev, hmc_fn_id);
if (!vf_dev)
return I40IW_ERR_INVALID_VF_ID;
hmc_info = &vf_dev->hmc_info;
iw_vf_idx = vf_dev->iw_vf_idx;
i40iw_debug(dev, I40IW_DEBUG_HMC, "vf_dev %p, hmc_info %p, hmc_obj %p\n", vf_dev,
hmc_info, hmc_info->hmc_obj);
if (!vf_dev->fpm_query_buf) {
if (!dev->vf_fpm_query_buf[iw_vf_idx].va) {
ret_code = i40iw_alloc_query_fpm_buf(dev,
&dev->vf_fpm_query_buf[iw_vf_idx]);
if (ret_code)
return ret_code;
}
vf_dev->fpm_query_buf = dev->vf_fpm_query_buf[iw_vf_idx].va;
vf_dev->fpm_query_buf_pa = dev->vf_fpm_query_buf[iw_vf_idx].pa;
}
query_fpm_mem.pa = vf_dev->fpm_query_buf_pa;
query_fpm_mem.va = vf_dev->fpm_query_buf;
/**
* It is HARDWARE specific:
* this call is done by PF for VF and
* i40iw_sc_query_fpm_values needs ccq poll
* because PF ccq is already created.
*/
poll_registers = false;
}
hmc_info->hmc_fn_id = hmc_fn_id;
if (hmc_fn_id != dev->hmc_fn_id) {
ret_code =
i40iw_cqp_query_fpm_values_cmd(dev, &query_fpm_mem, hmc_fn_id);
} else {
wait_type = poll_registers ? (u8)I40IW_CQP_WAIT_POLL_REGS :
(u8)I40IW_CQP_WAIT_POLL_CQ;
ret_code = i40iw_sc_query_fpm_values(
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 =
i40iw_sc_parse_fpm_query_buf((u64 *)query_fpm_mem.va,
hmc_info,
&dev->hmc_fpm_misc);
if (ret_code)
return ret_code;
i40iw_debug_buf(dev, I40IW_DEBUG_HMC, "QUERY FPM BUFFER",
query_fpm_mem.va, I40IW_QUERY_FPM_BUF_SIZE);
if (hmc_fn_id != dev->hmc_fn_id) {
i40iw_cqp_commit_fpm_values_cmd(dev, &query_fpm_mem, hmc_fn_id);
/* parse the fpm_commit_buf and fill hmc obj info */
i40iw_sc_parse_fpm_commit_buf((u64 *)query_fpm_mem.va, hmc_info->hmc_obj, &hmc_info->sd_table.sd_cnt);
mem_size = sizeof(struct i40iw_hmc_sd_entry) *
(hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index);
ret_code = i40iw_allocate_virt_mem(dev->hw, &virt_mem, mem_size);
if (ret_code)
return ret_code;
hmc_info->sd_table.sd_entry = virt_mem.va;
}
return ret_code;
}
/**
* i40iw_sc_configure_iw_fpm() - commits hmc obj cnt values using cqp command and
* populates fpm base address in hmc_info
* @dev : ptr to i40iw_dev struct
* @hmc_fn_id: hmc function id
*/
static enum i40iw_status_code i40iw_sc_configure_iw_fpm(struct i40iw_sc_dev *dev,
u8 hmc_fn_id)
{
struct i40iw_hmc_info *hmc_info;
struct i40iw_hmc_obj_info *obj_info;
u64 *buf;
struct i40iw_dma_mem commit_fpm_mem;
u32 i, j;
enum i40iw_status_code ret_code = 0;
bool poll_registers = true;
u8 wait_type;
if (hmc_fn_id >= I40IW_MAX_VF_FPM_ID ||
(dev->hmc_fn_id != hmc_fn_id && hmc_fn_id < I40IW_FIRST_VF_FPM_ID))
return I40IW_ERR_INVALID_HMCFN_ID;
if (hmc_fn_id == dev->hmc_fn_id) {
hmc_info = dev->hmc_info;
} else {
hmc_info = i40iw_vf_hmcinfo_from_fpm(dev, hmc_fn_id);
poll_registers = false;
}
if (!hmc_info)
return I40IW_ERR_BAD_PTR;
obj_info = hmc_info->hmc_obj;
buf = dev->fpm_commit_buf;
/* copy cnt values in commit buf */
for (i = I40IW_HMC_IW_QP, j = 0; i <= I40IW_HMC_IW_PBLE;
i++, j += 8)
set_64bit_val(buf, j, (u64)obj_info[i].cnt);
set_64bit_val(buf, 40, 0); /* APBVT rsvd */
commit_fpm_mem.pa = dev->fpm_commit_buf_pa;
commit_fpm_mem.va = dev->fpm_commit_buf;
wait_type = poll_registers ? (u8)I40IW_CQP_WAIT_POLL_REGS :
(u8)I40IW_CQP_WAIT_POLL_CQ;
ret_code = i40iw_sc_commit_fpm_values(
dev->cqp,
0,
hmc_info->hmc_fn_id,
&commit_fpm_mem,
true,
wait_type);
/* parse the fpm_commit_buf and fill hmc obj info */
if (!ret_code)
ret_code = i40iw_sc_parse_fpm_commit_buf(dev->fpm_commit_buf,
hmc_info->hmc_obj,
&hmc_info->sd_table.sd_cnt);
i40iw_debug_buf(dev, I40IW_DEBUG_HMC, "COMMIT FPM BUFFER",
commit_fpm_mem.va, I40IW_COMMIT_FPM_BUF_SIZE);
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 enum i40iw_status_code cqp_sds_wqe_fill(struct i40iw_sc_cqp *cqp,
struct i40iw_update_sds_info *info,
u64 scratch)
{
u64 data;
u64 header;
u64 *wqe;
int mem_entries, wqe_entries;
struct i40iw_dma_mem *sdbuf = &cqp->sdbuf;
u64 offset;
u32 wqe_idx;
wqe = i40iw_sc_cqp_get_next_send_wqe_idx(cqp, scratch, &wqe_idx);
if (!wqe)
return I40IW_ERR_RING_FULL;
I40IW_CQP_INIT_WQE(wqe);
wqe_entries = (info->cnt > 3) ? 3 : info->cnt;
mem_entries = info->cnt - wqe_entries;
header = LS_64(I40IW_CQP_OP_UPDATE_PE_SDS, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID) |
LS_64(mem_entries, I40IW_CQPSQ_UPESD_ENTRY_COUNT);
if (mem_entries) {
offset = wqe_idx * I40IW_UPDATE_SD_BUF_SIZE;
memcpy((char *)sdbuf->va + offset, &info->entry[3],
mem_entries << 4);
data = (u64)sdbuf->pa + offset;
} else {
data = 0;
}
data |= LS_64(info->hmc_fn_id, I40IW_CQPSQ_UPESD_HMCFNID);
set_64bit_val(wqe, 16, data);
switch (wqe_entries) {
case 3:
set_64bit_val(wqe, 48,
(LS_64(info->entry[2].cmd, I40IW_CQPSQ_UPESD_SDCMD) |
LS_64(1, I40IW_CQPSQ_UPESD_ENTRY_VALID)));
set_64bit_val(wqe, 56, info->entry[2].data);
fallthrough;
case 2:
set_64bit_val(wqe, 32,
(LS_64(info->entry[1].cmd, I40IW_CQPSQ_UPESD_SDCMD) |
LS_64(1, I40IW_CQPSQ_UPESD_ENTRY_VALID)));
set_64bit_val(wqe, 40, info->entry[1].data);
fallthrough;
case 1:
set_64bit_val(wqe, 0,
LS_64(info->entry[0].cmd, I40IW_CQPSQ_UPESD_SDCMD));
set_64bit_val(wqe, 8, info->entry[0].data);
break;
default:
break;
}
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "UPDATE_PE_SDS WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
return 0;
}
/**
* i40iw_update_pe_sds - cqp wqe for sd
* @dev: ptr to i40iw_dev struct
* @info: sd info for sd's
* @scratch: u64 saved to be used during cqp completion
*/
static enum i40iw_status_code i40iw_update_pe_sds(struct i40iw_sc_dev *dev,
struct i40iw_update_sds_info *info,
u64 scratch)
{
struct i40iw_sc_cqp *cqp = dev->cqp;
enum i40iw_status_code ret_code;
ret_code = cqp_sds_wqe_fill(cqp, info, scratch);
if (!ret_code)
i40iw_sc_cqp_post_sq(cqp);
return ret_code;
}
/**
* i40iw_update_sds_noccq - update sd before ccq created
* @dev: sc device struct
* @info: sd info for sd's
*/
enum i40iw_status_code i40iw_update_sds_noccq(struct i40iw_sc_dev *dev,
struct i40iw_update_sds_info *info)
{
u32 error, val, tail;
struct i40iw_sc_cqp *cqp = dev->cqp;
enum i40iw_status_code ret_code;
ret_code = cqp_sds_wqe_fill(cqp, info, 0);
if (ret_code)
return ret_code;
i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
if (error)
return I40IW_ERR_CQP_COMPL_ERROR;
i40iw_sc_cqp_post_sq(cqp);
ret_code = i40iw_cqp_poll_registers(cqp, tail, I40IW_DONE_COUNT);
return ret_code;
}
/**
* i40iw_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
*/
enum i40iw_status_code i40iw_sc_suspend_qp(struct i40iw_sc_cqp *cqp,
struct i40iw_sc_qp *qp,
u64 scratch)
{
u64 header;
u64 *wqe;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
header = LS_64(qp->qp_uk.qp_id, I40IW_CQPSQ_SUSPENDQP_QPID) |
LS_64(I40IW_CQP_OP_SUSPEND_QP, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "SUSPEND_QP WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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
*/
enum i40iw_status_code i40iw_sc_resume_qp(struct i40iw_sc_cqp *cqp,
struct i40iw_sc_qp *qp,
u64 scratch)
{
u64 header;
u64 *wqe;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe,
16,
LS_64(qp->qs_handle, I40IW_CQPSQ_RESUMEQP_QSHANDLE));
header = LS_64(qp->qp_uk.qp_id, I40IW_CQPSQ_RESUMEQP_QPID) |
LS_64(I40IW_CQP_OP_RESUME_QP, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "RESUME_QP WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
i40iw_sc_cqp_post_sq(cqp);
return 0;
}
/**
* i40iw_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
*/
enum i40iw_status_code i40iw_sc_static_hmc_pages_allocated(
struct i40iw_sc_cqp *cqp,
u64 scratch,
u8 hmc_fn_id,
bool post_sq,
bool poll_registers)
{
u64 header;
u64 *wqe;
u32 tail, val, error;
enum i40iw_status_code ret_code = 0;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe,
16,
LS_64(hmc_fn_id, I40IW_SHMC_PAGE_ALLOCATED_HMC_FN_ID));
header = LS_64(I40IW_CQP_OP_SHMC_PAGES_ALLOCATED, I40IW_CQPSQ_OPCODE) |
LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
i40iw_insert_wqe_hdr(wqe, header);
i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "SHMC_PAGES_ALLOCATED WQE",
wqe, I40IW_CQP_WQE_SIZE * 8);
i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
if (error) {
ret_code = I40IW_ERR_CQP_COMPL_ERROR;
return ret_code;
}
if (post_sq) {
i40iw_sc_cqp_post_sq(cqp);
if (poll_registers)
/* check for cqp sq tail update */
ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000);
else
ret_code = i40iw_sc_poll_for_cqp_op_done(cqp,
I40IW_CQP_OP_SHMC_PAGES_ALLOCATED,
NULL);
}
return ret_code;
}
/**
* i40iw_ring_full - check if cqp ring is full
* @cqp: struct for cqp hw
*/
static bool i40iw_ring_full(struct i40iw_sc_cqp *cqp)
{
return I40IW_RING_FULL_ERR(cqp->sq_ring);
}
/**
* i40iw_est_sd - returns approximate number of SDs for HMC
* @dev: sc device struct
* @hmc_info: hmc structure, size and count for HMC objects
*/
static u64 i40iw_est_sd(struct i40iw_sc_dev *dev, struct i40iw_hmc_info *hmc_info)
{
int i;
u64 size = 0;
u64 sd;
for (i = I40IW_HMC_IW_QP; i < I40IW_HMC_IW_PBLE; i++)
size += hmc_info->hmc_obj[i].cnt * hmc_info->hmc_obj[i].size;
if (dev->is_pf)
size += hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt * hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].size;
if (size & 0x1FFFFF)
sd = (size >> 21) + 1; /* add 1 for remainder */
else
sd = size >> 21;
if (!dev->is_pf) {
/* 2MB alignment for VF PBLE HMC */
size = hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt * hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].size;
if (size & 0x1FFFFF)
sd += (size >> 21) + 1; /* add 1 for remainder */
else
sd += size >> 21;
}
return sd;
}
/**
* i40iw_config_fpm_values - configure HMC objects
* @dev: sc device struct
* @qp_count: desired qp count
*/
enum i40iw_status_code i40iw_config_fpm_values(struct i40iw_sc_dev *dev, u32 qp_count)
{
struct i40iw_virt_mem virt_mem;
u32 i, mem_size;
u32 qpwantedoriginal, qpwanted, mrwanted, pblewanted;
u64 sd_needed;
u32 loop_count = 0;
struct i40iw_hmc_info *hmc_info;
struct i40iw_hmc_fpm_misc *hmc_fpm_misc;
enum i40iw_status_code ret_code = 0;
hmc_info = dev->hmc_info;
hmc_fpm_misc = &dev->hmc_fpm_misc;
ret_code = i40iw_sc_init_iw_hmc(dev, dev->hmc_fn_id);
if (ret_code) {
i40iw_debug(dev, I40IW_DEBUG_HMC,
"i40iw_sc_init_iw_hmc returned error_code = %d\n",
ret_code);
return ret_code;
}
for (i = I40IW_HMC_IW_QP; i < I40IW_HMC_IW_MAX; i++)
hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt;
sd_needed = i40iw_est_sd(dev, hmc_info);
i40iw_debug(dev, I40IW_DEBUG_HMC,
"%s: FW initial max sd_count[%08lld] first_sd_index[%04d]\n",
__func__, sd_needed, hmc_info->first_sd_index);
i40iw_debug(dev, I40IW_DEBUG_HMC,
"%s: sd count %d where max sd is %d\n",
__func__, hmc_info->sd_table.sd_cnt,
hmc_fpm_misc->max_sds);
qpwanted = min(qp_count, hmc_info->hmc_obj[I40IW_HMC_IW_QP].max_cnt);
qpwantedoriginal = qpwanted;
mrwanted = hmc_info->hmc_obj[I40IW_HMC_IW_MR].max_cnt;
pblewanted = hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].max_cnt;
i40iw_debug(dev, I40IW_DEBUG_HMC,
"req_qp=%d max_sd=%d, max_qp = %d, max_cq=%d, max_mr=%d, max_pble=%d\n",
qp_count, hmc_fpm_misc->max_sds,
hmc_info->hmc_obj[I40IW_HMC_IW_QP].max_cnt,
hmc_info->hmc_obj[I40IW_HMC_IW_CQ].max_cnt,
hmc_info->hmc_obj[I40IW_HMC_IW_MR].max_cnt,
hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].max_cnt);
do {
++loop_count;
hmc_info->hmc_obj[I40IW_HMC_IW_QP].cnt = qpwanted;
hmc_info->hmc_obj[I40IW_HMC_IW_CQ].cnt =
min(2 * qpwanted, hmc_info->hmc_obj[I40IW_HMC_IW_CQ].cnt);
hmc_info->hmc_obj[I40IW_HMC_IW_SRQ].cnt = 0x00; /* Reserved */
hmc_info->hmc_obj[I40IW_HMC_IW_HTE].cnt =
qpwanted * hmc_fpm_misc->ht_multiplier;
hmc_info->hmc_obj[I40IW_HMC_IW_ARP].cnt =
hmc_info->hmc_obj[I40IW_HMC_IW_ARP].max_cnt;
hmc_info->hmc_obj[I40IW_HMC_IW_APBVT_ENTRY].cnt = 1;
hmc_info->hmc_obj[I40IW_HMC_IW_MR].cnt = mrwanted;
hmc_info->hmc_obj[I40IW_HMC_IW_XF].cnt =
roundup_pow_of_two(I40IW_MAX_WQ_ENTRIES * qpwanted);
hmc_info->hmc_obj[I40IW_HMC_IW_Q1].cnt =
roundup_pow_of_two(2 * I40IW_MAX_IRD_SIZE * qpwanted);
hmc_info->hmc_obj[I40IW_HMC_IW_XFFL].cnt =
hmc_info->hmc_obj[I40IW_HMC_IW_XF].cnt / hmc_fpm_misc->xf_block_size;
hmc_info->hmc_obj[I40IW_HMC_IW_Q1FL].cnt =
hmc_info->hmc_obj[I40IW_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size;
hmc_info->hmc_obj[I40IW_HMC_IW_TIMER].cnt =
((qpwanted) / 512 + 1) * hmc_fpm_misc->timer_bucket;
hmc_info->hmc_obj[I40IW_HMC_IW_FSIMC].cnt = 0x00;
hmc_info->hmc_obj[I40IW_HMC_IW_FSIAV].cnt = 0x00;
hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt = pblewanted;
/* How much memory is needed for all the objects. */
sd_needed = i40iw_est_sd(dev, hmc_info);
if ((loop_count > 1000) ||
((!(loop_count % 10)) &&
(qpwanted > qpwantedoriginal * 2 / 3))) {
if (qpwanted > FPM_MULTIPLIER)
qpwanted = roundup_pow_of_two(qpwanted -
FPM_MULTIPLIER);
qpwanted >>= 1;
}
if (mrwanted > FPM_MULTIPLIER * 10)
mrwanted -= FPM_MULTIPLIER * 10;
if (pblewanted > FPM_MULTIPLIER * 1000)
pblewanted -= FPM_MULTIPLIER * 1000;
} while (sd_needed > hmc_fpm_misc->max_sds && loop_count < 2000);
i40iw_debug(dev, I40IW_DEBUG_HMC,
"loop_cnt=%d, sd_needed=%lld, qpcnt = %d, cqcnt=%d, mrcnt=%d, pblecnt=%d\n",
loop_count, sd_needed,
hmc_info->hmc_obj[I40IW_HMC_IW_QP].cnt,
hmc_info->hmc_obj[I40IW_HMC_IW_CQ].cnt,
hmc_info->hmc_obj[I40IW_HMC_IW_MR].cnt,
hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt);
ret_code = i40iw_sc_configure_iw_fpm(dev, dev->hmc_fn_id);
if (ret_code) {
i40iw_debug(dev, I40IW_DEBUG_HMC,
"configure_iw_fpm returned error_code[x%08X]\n",
i40iw_rd32(dev->hw, dev->is_pf ? I40E_PFPE_CQPERRCODES : I40E_VFPE_CQPERRCODES1));
return ret_code;
}
mem_size = sizeof(struct i40iw_hmc_sd_entry) *
(hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index + 1);
ret_code = i40iw_allocate_virt_mem(dev->hw, &virt_mem, mem_size);
if (ret_code) {
i40iw_debug(dev, I40IW_DEBUG_HMC,
"%s: failed to allocate memory for sd_entry buffer\n",
__func__);
return ret_code;
}
hmc_info->sd_table.sd_entry = virt_mem.va;
return ret_code;
}
/**
* i40iw_exec_cqp_cmd - execute cqp cmd when wqe are available
* @dev: rdma device
* @pcmdinfo: cqp command info
*/
static enum i40iw_status_code i40iw_exec_cqp_cmd(struct i40iw_sc_dev *dev,
struct cqp_commands_info *pcmdinfo)
{
enum i40iw_status_code status;
struct i40iw_dma_mem values_mem;
dev->cqp_cmd_stats[pcmdinfo->cqp_cmd]++;
switch (pcmdinfo->cqp_cmd) {
case OP_DELETE_LOCAL_MAC_IPADDR_ENTRY:
status = i40iw_sc_del_local_mac_ipaddr_entry(
pcmdinfo->in.u.del_local_mac_ipaddr_entry.cqp,
pcmdinfo->in.u.del_local_mac_ipaddr_entry.scratch,
pcmdinfo->in.u.del_local_mac_ipaddr_entry.entry_idx,
pcmdinfo->in.u.del_local_mac_ipaddr_entry.ignore_ref_count,
pcmdinfo->post_sq);
break;
case OP_CEQ_DESTROY:
status = i40iw_sc_ceq_destroy(pcmdinfo->in.u.ceq_destroy.ceq,
pcmdinfo->in.u.ceq_destroy.scratch,
pcmdinfo->post_sq);
break;
case OP_AEQ_DESTROY:
status = i40iw_sc_aeq_destroy(pcmdinfo->in.u.aeq_destroy.aeq,
pcmdinfo->in.u.aeq_destroy.scratch,
pcmdinfo->post_sq);
break;
case OP_DELETE_ARP_CACHE_ENTRY:
status = i40iw_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 OP_MANAGE_APBVT_ENTRY:
status = i40iw_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 OP_CEQ_CREATE:
status = i40iw_sc_ceq_create(pcmdinfo->in.u.ceq_create.ceq,
pcmdinfo->in.u.ceq_create.scratch,
pcmdinfo->post_sq);
break;
case OP_AEQ_CREATE:
status = i40iw_sc_aeq_create(pcmdinfo->in.u.aeq_create.aeq,
pcmdinfo->in.u.aeq_create.scratch,
pcmdinfo->post_sq);
break;
case OP_ALLOC_LOCAL_MAC_IPADDR_ENTRY:
status = i40iw_sc_alloc_local_mac_ipaddr_entry(
pcmdinfo->in.u.alloc_local_mac_ipaddr_entry.cqp,
pcmdinfo->in.u.alloc_local_mac_ipaddr_entry.scratch,
pcmdinfo->post_sq);
break;
case OP_ADD_LOCAL_MAC_IPADDR_ENTRY:
status = i40iw_sc_add_local_mac_ipaddr_entry(
pcmdinfo->in.u.add_local_mac_ipaddr_entry.cqp,
&pcmdinfo->in.u.add_local_mac_ipaddr_entry.info,
pcmdinfo->in.u.add_local_mac_ipaddr_entry.scratch,
pcmdinfo->post_sq);
break;
case OP_MANAGE_QHASH_TABLE_ENTRY:
status = i40iw_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 OP_QP_MODIFY:
status = i40iw_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 OP_QP_UPLOAD_CONTEXT:
status = i40iw_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 OP_CQ_CREATE:
status = i40iw_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 OP_CQ_DESTROY:
status = i40iw_sc_cq_destroy(
pcmdinfo->in.u.cq_destroy.cq,
pcmdinfo->in.u.cq_destroy.scratch,
pcmdinfo->post_sq);
break;
case OP_QP_CREATE:
status = i40iw_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 OP_QP_DESTROY:
status = i40iw_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 OP_ALLOC_STAG:
status = i40iw_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 OP_MR_REG_NON_SHARED:
status = i40iw_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 OP_DEALLOC_STAG:
status = i40iw_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 OP_MW_ALLOC:
status = i40iw_sc_mw_alloc(
pcmdinfo->in.u.mw_alloc.dev,
pcmdinfo->in.u.mw_alloc.scratch,
pcmdinfo->in.u.mw_alloc.mw_stag_index,
pcmdinfo->in.u.mw_alloc.pd_id,
pcmdinfo->post_sq);
break;
case OP_QP_FLUSH_WQES:
status = i40iw_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 OP_GEN_AE:
status = i40iw_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 OP_ADD_ARP_CACHE_ENTRY:
status = i40iw_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 OP_UPDATE_PE_SDS:
/* case I40IW_CQP_OP_UPDATE_PE_SDS */
status = i40iw_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 OP_MANAGE_HMC_PM_FUNC_TABLE:
status = i40iw_sc_manage_hmc_pm_func_table(
pcmdinfo->in.u.manage_hmc_pm.dev->cqp,
pcmdinfo->in.u.manage_hmc_pm.scratch,
(u8)pcmdinfo->in.u.manage_hmc_pm.info.vf_id,
pcmdinfo->in.u.manage_hmc_pm.info.free_fcn,
true);
break;
case OP_SUSPEND:
status = i40iw_sc_suspend_qp(
pcmdinfo->in.u.suspend_resume.cqp,
pcmdinfo->in.u.suspend_resume.qp,
pcmdinfo->in.u.suspend_resume.scratch);
break;
case OP_RESUME:
status = i40iw_sc_resume_qp(
pcmdinfo->in.u.suspend_resume.cqp,
pcmdinfo->in.u.suspend_resume.qp,
pcmdinfo->in.u.suspend_resume.scratch);
break;
case OP_MANAGE_VF_PBLE_BP:
status = i40iw_manage_vf_pble_bp(
pcmdinfo->in.u.manage_vf_pble_bp.cqp,
&pcmdinfo->in.u.manage_vf_pble_bp.info,
pcmdinfo->in.u.manage_vf_pble_bp.scratch, true);
break;
case OP_QUERY_FPM_VALUES:
values_mem.pa = pcmdinfo->in.u.query_fpm_values.fpm_values_pa;
values_mem.va = pcmdinfo->in.u.query_fpm_values.fpm_values_va;
status = i40iw_sc_query_fpm_values(
pcmdinfo->in.u.query_fpm_values.cqp,
pcmdinfo->in.u.query_fpm_values.scratch,
pcmdinfo->in.u.query_fpm_values.hmc_fn_id,
&values_mem, true, I40IW_CQP_WAIT_EVENT);
break;
case OP_COMMIT_FPM_VALUES:
values_mem.pa = pcmdinfo->in.u.commit_fpm_values.fpm_values_pa;
values_mem.va = pcmdinfo->in.u.commit_fpm_values.fpm_values_va;
status = i40iw_sc_commit_fpm_values(
pcmdinfo->in.u.commit_fpm_values.cqp,
pcmdinfo->in.u.commit_fpm_values.scratch,
pcmdinfo->in.u.commit_fpm_values.hmc_fn_id,
&values_mem,
true,
I40IW_CQP_WAIT_EVENT);
break;
case OP_QUERY_RDMA_FEATURES:
values_mem.pa = pcmdinfo->in.u.query_rdma_features.cap_pa;
values_mem.va = pcmdinfo->in.u.query_rdma_features.cap_va;
status = i40iw_sc_query_rdma_features(
pcmdinfo->in.u.query_rdma_features.cqp, &values_mem,
pcmdinfo->in.u.query_rdma_features.scratch);
break;
default:
status = I40IW_NOT_SUPPORTED;
break;
}
return status;
}
/**
* i40iw_process_cqp_cmd - process all cqp commands
* @dev: sc device struct
* @pcmdinfo: cqp command info
*/
enum i40iw_status_code i40iw_process_cqp_cmd(struct i40iw_sc_dev *dev,
struct cqp_commands_info *pcmdinfo)
{
enum i40iw_status_code status = 0;
unsigned long flags;
spin_lock_irqsave(&dev->cqp_lock, flags);
if (list_empty(&dev->cqp_cmd_head) && !i40iw_ring_full(dev->cqp))
status = i40iw_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;
}
/**
* i40iw_process_bh - called from tasklet for cqp list
* @dev: sc device struct
*/
enum i40iw_status_code i40iw_process_bh(struct i40iw_sc_dev *dev)
{
enum i40iw_status_code status = 0;
struct cqp_commands_info *pcmdinfo;
unsigned long flags;
spin_lock_irqsave(&dev->cqp_lock, flags);
while (!list_empty(&dev->cqp_cmd_head) && !i40iw_ring_full(dev->cqp)) {
pcmdinfo = (struct cqp_commands_info *)i40iw_remove_head(&dev->cqp_cmd_head);
status = i40iw_exec_cqp_cmd(dev, pcmdinfo);
if (status)
break;
}
spin_unlock_irqrestore(&dev->cqp_lock, flags);
return status;
}
/**
* i40iw_iwarp_opcode - determine if incoming is rdma layer
* @info: aeq info for the packet
* @pkt: packet for error
*/
static u32 i40iw_iwarp_opcode(struct i40iw_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;
}
/**
* i40iw_locate_mpa - return pointer to mpa in the pkt
* @pkt: packet with data
*/
static u8 *i40iw_locate_mpa(u8 *pkt)
{
/* skip over ethernet header */
pkt += I40IW_MAC_HLEN;
/* Skip over IP and TCP headers */
pkt += 4 * (pkt[0] & 0x0f);
pkt += 4 * ((pkt[12] >> 4) & 0x0f);
return pkt;
}
/**
* i40iw_setup_termhdr - termhdr for terminate pkt
* @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 i40iw_setup_termhdr(struct i40iw_sc_qp *qp,
struct i40iw_terminate_hdr *hdr,
enum i40iw_flush_opcode opcode,
u8 layer_etype,
u8 err)
{
qp->flush_code = opcode;
hdr->layer_etype = layer_etype;
hdr->error_code = err;
}
/**
* i40iw_bld_terminate_hdr - build terminate message header
* @qp: qp associated with received terminate AE
* @info: the struct contiaing AE information
*/
static int i40iw_bld_terminate_hdr(struct i40iw_sc_qp *qp,
struct i40iw_aeqe_info *info)
{
u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
u16 ddp_seg_len;
int copy_len = 0;
u8 is_tagged = 0;
u32 opcode;
struct i40iw_terminate_hdr *termhdr;
termhdr = (struct i40iw_terminate_hdr *)qp->q2_buf;
memset(termhdr, 0, Q2_BAD_FRAME_OFFSET);
if (info->q2_data_written) {
/* Use data from offending packet to fill in ddp & rdma hdrs */
pkt = i40iw_locate_mpa(pkt);
ddp_seg_len = ntohs(*(__be16 *)pkt);
if (ddp_seg_len) {
copy_len = 2;
termhdr->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;
termhdr->hdrct |= DDP_HDR_FLAG;
}
} else {
if (ddp_seg_len >= TERM_DDP_LEN_UNTAGGED) {
copy_len += TERM_DDP_LEN_UNTAGGED;
termhdr->hdrct |= DDP_HDR_FLAG;
}
if (ddp_seg_len >= (TERM_DDP_LEN_UNTAGGED + TERM_RDMA_LEN)) {
if ((pkt[3] & RDMA_OPCODE_MASK) == RDMA_READ_REQ_OPCODE) {
copy_len += TERM_RDMA_LEN;
termhdr->hdrct |= RDMA_HDR_FLAG;
}
}
}
}
}
opcode = i40iw_iwarp_opcode(info, pkt);
switch (info->ae_id) {
case I40IW_AE_AMP_UNALLOCATED_STAG:
qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
if (opcode == I40IW_OP_TYPE_RDMA_WRITE)
i40iw_setup_termhdr(qp, termhdr, FLUSH_PROT_ERR,
(LAYER_DDP << 4) | DDP_TAGGED_BUFFER, DDP_TAGGED_INV_STAG);
else
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_STAG);
break;
case I40IW_AE_AMP_BOUNDS_VIOLATION:
qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
if (info->q2_data_written)
i40iw_setup_termhdr(qp, termhdr, FLUSH_PROT_ERR,
(LAYER_DDP << 4) | DDP_TAGGED_BUFFER, DDP_TAGGED_BOUNDS);
else
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_BOUNDS);
break;
case I40IW_AE_AMP_BAD_PD:
switch (opcode) {
case I40IW_OP_TYPE_RDMA_WRITE:
i40iw_setup_termhdr(qp, termhdr, FLUSH_PROT_ERR,
(LAYER_DDP << 4) | DDP_TAGGED_BUFFER, DDP_TAGGED_UNASSOC_STAG);
break;
case I40IW_OP_TYPE_SEND_INV:
case I40IW_OP_TYPE_SEND_SOL_INV:
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_CANT_INV_STAG);
break;
default:
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_UNASSOC_STAG);
}
break;
case I40IW_AE_AMP_INVALID_STAG:
qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_STAG);
break;
case I40IW_AE_AMP_BAD_QP:
i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_QP_OP_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_QN);
break;
case I40IW_AE_AMP_BAD_STAG_KEY:
case I40IW_AE_AMP_BAD_STAG_INDEX:
qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
switch (opcode) {
case I40IW_OP_TYPE_SEND_INV:
case I40IW_OP_TYPE_SEND_SOL_INV:
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_OP_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_CANT_INV_STAG);
break;
default:
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_INV_STAG);
}
break;
case I40IW_AE_AMP_RIGHTS_VIOLATION:
case I40IW_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS:
case I40IW_AE_PRIV_OPERATION_DENIED:
qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_ACCESS);
break;
case I40IW_AE_AMP_TO_WRAP:
qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_TO_WRAP);
break;
case I40IW_AE_LLP_RECEIVED_MPA_CRC_ERROR:
i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_MPA << 4) | DDP_LLP, MPA_CRC);
break;
case I40IW_AE_LLP_SEGMENT_TOO_LARGE:
case I40IW_AE_LLP_SEGMENT_TOO_SMALL:
i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_LEN_ERR,
(LAYER_DDP << 4) | DDP_CATASTROPHIC, DDP_CATASTROPHIC_LOCAL);
break;
case I40IW_AE_LCE_QP_CATASTROPHIC:
case I40IW_AE_DDP_NO_L_BIT:
i40iw_setup_termhdr(qp, termhdr, FLUSH_FATAL_ERR,
(LAYER_DDP << 4) | DDP_CATASTROPHIC, DDP_CATASTROPHIC_LOCAL);
break;
case I40IW_AE_DDP_INVALID_MSN_GAP_IN_MSN:
i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_MSN_RANGE);
break;
case I40IW_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_LEN_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_TOO_LONG);
break;
case I40IW_AE_DDP_UBE_INVALID_DDP_VERSION:
if (is_tagged)
i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_TAGGED_BUFFER, DDP_TAGGED_INV_DDP_VER);
else
i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_DDP_VER);
break;
case I40IW_AE_DDP_UBE_INVALID_MO:
i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_MO);
break;
case I40IW_AE_DDP_UBE_INVALID_MSN_NO_BUFFER_AVAILABLE:
i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_OP_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_MSN_NO_BUF);
break;
case I40IW_AE_DDP_UBE_INVALID_QN:
i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_QN);
break;
case I40IW_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_INV_RDMAP_VER);
break;
case I40IW_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_QP_OP_ERR,
(LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_UNEXPECTED_OP);
break;
default:
i40iw_setup_termhdr(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 i40iw_terminate_hdr) + copy_len;
}
/**
* i40iw_terminate_send_fin() - Send fin for terminate message
* @qp: qp associated with received terminate AE
*/
void i40iw_terminate_send_fin(struct i40iw_sc_qp *qp)
{
/* Send the fin only */
i40iw_term_modify_qp(qp,
I40IW_QP_STATE_TERMINATE,
I40IWQP_TERM_SEND_FIN_ONLY,
0);
}
/**
* i40iw_terminate_connection() - Bad AE and send terminate to remote QP
* @qp: qp associated with received terminate AE
* @info: the struct contiaing AE information
*/
void i40iw_terminate_connection(struct i40iw_sc_qp *qp, struct i40iw_aeqe_info *info)
{
u8 termlen = 0;
if (qp->term_flags & I40IW_TERM_SENT)
return; /* Sanity check */
/* Eventtype can change from bld_terminate_hdr */
qp->eventtype = TERM_EVENT_QP_FATAL;
termlen = i40iw_bld_terminate_hdr(qp, info);
i40iw_terminate_start_timer(qp);
qp->term_flags |= I40IW_TERM_SENT;
i40iw_term_modify_qp(qp, I40IW_QP_STATE_TERMINATE,
I40IWQP_TERM_SEND_TERM_ONLY, termlen);
}
/**
* i40iw_terminate_received - handle terminate received AE
* @qp: qp associated with received terminate AE
* @info: the struct contiaing AE information
*/
void i40iw_terminate_received(struct i40iw_sc_qp *qp, struct i40iw_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 i40iw_terminate_hdr *termhdr;
mpa = (__be32 *)i40iw_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 = I40IW_AE_LCE_QP_CATASTROPHIC;
else if ((ddp_ctl & 0x03) != 1)
aeq_id = I40IW_AE_DDP_UBE_INVALID_DDP_VERSION;
else if (ntohl(mpa[2]) != 2)
aeq_id = I40IW_AE_DDP_UBE_INVALID_QN;
else if (ntohl(mpa[3]) != 1)
aeq_id = I40IW_AE_DDP_INVALID_MSN_GAP_IN_MSN;
else if (ntohl(mpa[4]) != 0)
aeq_id = I40IW_AE_DDP_UBE_INVALID_MO;
else if ((rdma_ctl & 0xc0) != 0x40)
aeq_id = I40IW_AE_RDMAP_ROE_INVALID_RDMAP_VERSION;
info->ae_id = aeq_id;
if (info->ae_id) {
/* Bad terminate recvd - send back a terminate */
i40iw_terminate_connection(qp, info);
return;
}
}
qp->term_flags |= I40IW_TERM_RCVD;
qp->eventtype = TERM_EVENT_QP_FATAL;
termhdr = (struct i40iw_terminate_hdr *)&mpa[5];
if (termhdr->layer_etype == RDMAP_REMOTE_PROT ||
termhdr->layer_etype == RDMAP_REMOTE_OP) {
i40iw_terminate_done(qp, 0);
} else {
i40iw_terminate_start_timer(qp);
i40iw_terminate_send_fin(qp);
}
}
/**
* i40iw_sc_vsi_init - Initialize virtual device
* @vsi: pointer to the vsi structure
* @info: parameters to initialize vsi
**/
void i40iw_sc_vsi_init(struct i40iw_sc_vsi *vsi, struct i40iw_vsi_init_info *info)
{
int i;
vsi->dev = info->dev;
vsi->back_vsi = info->back_vsi;
vsi->mtu = info->params->mtu;
vsi->exception_lan_queue = info->exception_lan_queue;
i40iw_fill_qos_list(info->params->qs_handle_list);
for (i = 0; i < I40IW_MAX_USER_PRIORITY; i++) {
vsi->qos[i].qs_handle = info->params->qs_handle_list[i];
i40iw_debug(vsi->dev, I40IW_DEBUG_DCB, "qset[%d]: %d\n", i,
vsi->qos[i].qs_handle);
spin_lock_init(&vsi->qos[i].lock);
INIT_LIST_HEAD(&vsi->qos[i].qplist);
}
}
/**
* i40iw_hw_stats_init - Initiliaze HW stats table
* @stats: pestat struct
* @fcn_idx: PCI fn id
* @is_pf: Is it a PF?
*
* Populate the HW stats table with register offset addr for each
* stats. And start the perioidic stats timer.
*/
void i40iw_hw_stats_init(struct i40iw_vsi_pestat *stats, u8 fcn_idx, bool is_pf)
{
u32 stats_reg_offset;
u32 stats_index;
struct i40iw_dev_hw_stats_offsets *stats_table =
&stats->hw_stats_offsets;
struct i40iw_dev_hw_stats *last_rd_stats = &stats->last_read_hw_stats;
if (is_pf) {
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP4RXDISCARD] =
I40E_GLPES_PFIP4RXDISCARD(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP4RXTRUNC] =
I40E_GLPES_PFIP4RXTRUNC(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP4TXNOROUTE] =
I40E_GLPES_PFIP4TXNOROUTE(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP6RXDISCARD] =
I40E_GLPES_PFIP6RXDISCARD(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP6RXTRUNC] =
I40E_GLPES_PFIP6RXTRUNC(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP6TXNOROUTE] =
I40E_GLPES_PFIP6TXNOROUTE(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_TCPRTXSEG] =
I40E_GLPES_PFTCPRTXSEG(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_TCPRXOPTERR] =
I40E_GLPES_PFTCPRXOPTERR(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_TCPRXPROTOERR] =
I40E_GLPES_PFTCPRXPROTOERR(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4RXOCTS] =
I40E_GLPES_PFIP4RXOCTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4RXPKTS] =
I40E_GLPES_PFIP4RXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4RXFRAGS] =
I40E_GLPES_PFIP4RXFRAGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4RXMCPKTS] =
I40E_GLPES_PFIP4RXMCPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4TXOCTS] =
I40E_GLPES_PFIP4TXOCTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4TXPKTS] =
I40E_GLPES_PFIP4TXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4TXFRAGS] =
I40E_GLPES_PFIP4TXFRAGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4TXMCPKTS] =
I40E_GLPES_PFIP4TXMCPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6RXOCTS] =
I40E_GLPES_PFIP6RXOCTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6RXPKTS] =
I40E_GLPES_PFIP6RXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6RXFRAGS] =
I40E_GLPES_PFIP6RXFRAGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6RXMCPKTS] =
I40E_GLPES_PFIP6RXMCPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6TXOCTS] =
I40E_GLPES_PFIP6TXOCTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6TXPKTS] =
I40E_GLPES_PFIP6TXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6TXPKTS] =
I40E_GLPES_PFIP6TXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6TXFRAGS] =
I40E_GLPES_PFIP6TXFRAGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_TCPRXSEGS] =
I40E_GLPES_PFTCPRXSEGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_TCPTXSEG] =
I40E_GLPES_PFTCPTXSEGLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMARXRDS] =
I40E_GLPES_PFRDMARXRDSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMARXSNDS] =
I40E_GLPES_PFRDMARXSNDSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMARXWRS] =
I40E_GLPES_PFRDMARXWRSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMATXRDS] =
I40E_GLPES_PFRDMATXRDSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMATXSNDS] =
I40E_GLPES_PFRDMATXSNDSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMATXWRS] =
I40E_GLPES_PFRDMATXWRSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMAVBND] =
I40E_GLPES_PFRDMAVBNDLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMAVINV] =
I40E_GLPES_PFRDMAVINVLO(fcn_idx);
} else {
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP4RXDISCARD] =
I40E_GLPES_VFIP4RXDISCARD(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP4RXTRUNC] =
I40E_GLPES_VFIP4RXTRUNC(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP4TXNOROUTE] =
I40E_GLPES_VFIP4TXNOROUTE(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP6RXDISCARD] =
I40E_GLPES_VFIP6RXDISCARD(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP6RXTRUNC] =
I40E_GLPES_VFIP6RXTRUNC(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_IP6TXNOROUTE] =
I40E_GLPES_VFIP6TXNOROUTE(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_TCPRTXSEG] =
I40E_GLPES_VFTCPRTXSEG(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_TCPRXOPTERR] =
I40E_GLPES_VFTCPRXOPTERR(fcn_idx);
stats_table->stats_offset_32[I40IW_HW_STAT_INDEX_TCPRXPROTOERR] =
I40E_GLPES_VFTCPRXPROTOERR(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4RXOCTS] =
I40E_GLPES_VFIP4RXOCTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4RXPKTS] =
I40E_GLPES_VFIP4RXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4RXFRAGS] =
I40E_GLPES_VFIP4RXFRAGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4RXMCPKTS] =
I40E_GLPES_VFIP4RXMCPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4TXOCTS] =
I40E_GLPES_VFIP4TXOCTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4TXPKTS] =
I40E_GLPES_VFIP4TXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4TXFRAGS] =
I40E_GLPES_VFIP4TXFRAGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP4TXMCPKTS] =
I40E_GLPES_VFIP4TXMCPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6RXOCTS] =
I40E_GLPES_VFIP6RXOCTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6RXPKTS] =
I40E_GLPES_VFIP6RXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6RXFRAGS] =
I40E_GLPES_VFIP6RXFRAGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6RXMCPKTS] =
I40E_GLPES_VFIP6RXMCPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6TXOCTS] =
I40E_GLPES_VFIP6TXOCTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6TXPKTS] =
I40E_GLPES_VFIP6TXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6TXPKTS] =
I40E_GLPES_VFIP6TXPKTSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_IP6TXFRAGS] =
I40E_GLPES_VFIP6TXFRAGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_TCPRXSEGS] =
I40E_GLPES_VFTCPRXSEGSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_TCPTXSEG] =
I40E_GLPES_VFTCPTXSEGLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMARXRDS] =
I40E_GLPES_VFRDMARXRDSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMARXSNDS] =
I40E_GLPES_VFRDMARXSNDSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMARXWRS] =
I40E_GLPES_VFRDMARXWRSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMATXRDS] =
I40E_GLPES_VFRDMATXRDSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMATXSNDS] =
I40E_GLPES_VFRDMATXSNDSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMATXWRS] =
I40E_GLPES_VFRDMATXWRSLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMAVBND] =
I40E_GLPES_VFRDMAVBNDLO(fcn_idx);
stats_table->stats_offset_64[I40IW_HW_STAT_INDEX_RDMAVINV] =
I40E_GLPES_VFRDMAVINVLO(fcn_idx);
}
for (stats_index = 0; stats_index < I40IW_HW_STAT_INDEX_MAX_64;
stats_index++) {
stats_reg_offset = stats_table->stats_offset_64[stats_index];
last_rd_stats->stats_value_64[stats_index] =
readq(stats->hw->hw_addr + stats_reg_offset);
}
for (stats_index = 0; stats_index < I40IW_HW_STAT_INDEX_MAX_32;
stats_index++) {
stats_reg_offset = stats_table->stats_offset_32[stats_index];
last_rd_stats->stats_value_32[stats_index] =
i40iw_rd32(stats->hw, stats_reg_offset);
}
}
/**
* i40iw_hw_stats_read_32 - Read 32-bit HW stats counters and accommodates for roll-overs.
* @stat: pestat struct
* @index: index in HW stats table which contains offset reg-addr
* @value: hw stats value
*/
void i40iw_hw_stats_read_32(struct i40iw_vsi_pestat *stats,
enum i40iw_hw_stats_index_32b index,
u64 *value)
{
struct i40iw_dev_hw_stats_offsets *stats_table =
&stats->hw_stats_offsets;
struct i40iw_dev_hw_stats *last_rd_stats = &stats->last_read_hw_stats;
struct i40iw_dev_hw_stats *hw_stats = &stats->hw_stats;
u64 new_stats_value = 0;
u32 stats_reg_offset = stats_table->stats_offset_32[index];
new_stats_value = i40iw_rd32(stats->hw, stats_reg_offset);
/*roll-over case */
if (new_stats_value < last_rd_stats->stats_value_32[index])
hw_stats->stats_value_32[index] += new_stats_value;
else
hw_stats->stats_value_32[index] +=
new_stats_value - last_rd_stats->stats_value_32[index];
last_rd_stats->stats_value_32[index] = new_stats_value;
*value = hw_stats->stats_value_32[index];
}
/**
* i40iw_hw_stats_read_64 - Read HW stats counters (greater than 32-bit) and accommodates for roll-overs.
* @stats: pestat struct
* @index: index in HW stats table which contains offset reg-addr
* @value: hw stats value
*/
void i40iw_hw_stats_read_64(struct i40iw_vsi_pestat *stats,
enum i40iw_hw_stats_index_64b index,
u64 *value)
{
struct i40iw_dev_hw_stats_offsets *stats_table =
&stats->hw_stats_offsets;
struct i40iw_dev_hw_stats *last_rd_stats = &stats->last_read_hw_stats;
struct i40iw_dev_hw_stats *hw_stats = &stats->hw_stats;
u64 new_stats_value = 0;
u32 stats_reg_offset = stats_table->stats_offset_64[index];
new_stats_value = readq(stats->hw->hw_addr + stats_reg_offset);
/*roll-over case */
if (new_stats_value < last_rd_stats->stats_value_64[index])
hw_stats->stats_value_64[index] += new_stats_value;
else
hw_stats->stats_value_64[index] +=
new_stats_value - last_rd_stats->stats_value_64[index];
last_rd_stats->stats_value_64[index] = new_stats_value;
*value = hw_stats->stats_value_64[index];
}
/**
* i40iw_hw_stats_read_all - read all HW stat counters
* @stats: pestat struct
* @stats_values: hw stats structure
*
* Read all the HW stat counters and populates hw_stats structure
* of passed-in vsi's pestat as well as copy created in stat_values.
*/
void i40iw_hw_stats_read_all(struct i40iw_vsi_pestat *stats,
struct i40iw_dev_hw_stats *stats_values)
{
u32 stats_index;
unsigned long flags;
spin_lock_irqsave(&stats->lock, flags);
for (stats_index = 0; stats_index < I40IW_HW_STAT_INDEX_MAX_32;
stats_index++)
i40iw_hw_stats_read_32(stats, stats_index,
&stats_values->stats_value_32[stats_index]);
for (stats_index = 0; stats_index < I40IW_HW_STAT_INDEX_MAX_64;
stats_index++)
i40iw_hw_stats_read_64(stats, stats_index,
&stats_values->stats_value_64[stats_index]);
spin_unlock_irqrestore(&stats->lock, flags);
}
/**
* i40iw_hw_stats_refresh_all - Update all HW stats structs
* @stats: pestat struct
*
* Read all the HW stats counters to refresh values in hw_stats structure
* of passed-in dev's pestat
*/
void i40iw_hw_stats_refresh_all(struct i40iw_vsi_pestat *stats)
{
u64 stats_value;
u32 stats_index;
unsigned long flags;
spin_lock_irqsave(&stats->lock, flags);
for (stats_index = 0; stats_index < I40IW_HW_STAT_INDEX_MAX_32;
stats_index++)
i40iw_hw_stats_read_32(stats, stats_index, &stats_value);
for (stats_index = 0; stats_index < I40IW_HW_STAT_INDEX_MAX_64;
stats_index++)
i40iw_hw_stats_read_64(stats, stats_index, &stats_value);
spin_unlock_irqrestore(&stats->lock, flags);
}
/**
* i40iw_get_fcn_id - Return the function id
* @dev: pointer to the device
*/
static u8 i40iw_get_fcn_id(struct i40iw_sc_dev *dev)
{
u8 fcn_id = I40IW_INVALID_FCN_ID;
u8 i;
for (i = I40IW_FIRST_NON_PF_STAT; i < I40IW_MAX_STATS_COUNT; i++)
if (!dev->fcn_id_array[i]) {
fcn_id = i;
dev->fcn_id_array[i] = true;
break;
}
return fcn_id;
}
/**
* i40iw_vsi_stats_init - Initialize the vsi statistics
* @vsi: pointer to the vsi structure
* @info: The info structure used for initialization
*/
enum i40iw_status_code i40iw_vsi_stats_init(struct i40iw_sc_vsi *vsi, struct i40iw_vsi_stats_info *info)
{
u8 fcn_id = info->fcn_id;
if (info->alloc_fcn_id)
fcn_id = i40iw_get_fcn_id(vsi->dev);
if (fcn_id == I40IW_INVALID_FCN_ID)
return I40IW_ERR_NOT_READY;
vsi->pestat = info->pestat;
vsi->pestat->hw = vsi->dev->hw;
vsi->pestat->vsi = vsi;
if (info->stats_initialize) {
i40iw_hw_stats_init(vsi->pestat, fcn_id, true);
spin_lock_init(&vsi->pestat->lock);
i40iw_hw_stats_start_timer(vsi);
}
vsi->stats_fcn_id_alloc = info->alloc_fcn_id;
vsi->fcn_id = fcn_id;
return I40IW_SUCCESS;
}
/**
* i40iw_vsi_stats_free - Free the vsi stats
* @vsi: pointer to the vsi structure
*/
void i40iw_vsi_stats_free(struct i40iw_sc_vsi *vsi)
{
u8 fcn_id = vsi->fcn_id;
if (vsi->stats_fcn_id_alloc && fcn_id < I40IW_MAX_STATS_COUNT)
vsi->dev->fcn_id_array[fcn_id] = false;
i40iw_hw_stats_stop_timer(vsi);
}
static const struct i40iw_cqp_ops iw_cqp_ops = {
.cqp_init = i40iw_sc_cqp_init,
.cqp_create = i40iw_sc_cqp_create,
.cqp_post_sq = i40iw_sc_cqp_post_sq,
.cqp_get_next_send_wqe = i40iw_sc_cqp_get_next_send_wqe,
.cqp_destroy = i40iw_sc_cqp_destroy,
.poll_for_cqp_op_done = i40iw_sc_poll_for_cqp_op_done
};
static const struct i40iw_ccq_ops iw_ccq_ops = {
.ccq_init = i40iw_sc_ccq_init,
.ccq_create = i40iw_sc_ccq_create,
.ccq_destroy = i40iw_sc_ccq_destroy,
.ccq_create_done = i40iw_sc_ccq_create_done,
.ccq_get_cqe_info = i40iw_sc_ccq_get_cqe_info,
.ccq_arm = i40iw_sc_ccq_arm
};
static const struct i40iw_ceq_ops iw_ceq_ops = {
.ceq_init = i40iw_sc_ceq_init,
.ceq_create = i40iw_sc_ceq_create,
.cceq_create_done = i40iw_sc_cceq_create_done,
.cceq_destroy_done = i40iw_sc_cceq_destroy_done,
.cceq_create = i40iw_sc_cceq_create,
.ceq_destroy = i40iw_sc_ceq_destroy,
.process_ceq = i40iw_sc_process_ceq
};
static const struct i40iw_aeq_ops iw_aeq_ops = {
.aeq_init = i40iw_sc_aeq_init,
.aeq_create = i40iw_sc_aeq_create,
.aeq_destroy = i40iw_sc_aeq_destroy,
.get_next_aeqe = i40iw_sc_get_next_aeqe,
.repost_aeq_entries = i40iw_sc_repost_aeq_entries,
.aeq_create_done = i40iw_sc_aeq_create_done,
.aeq_destroy_done = i40iw_sc_aeq_destroy_done
};
/* iwarp pd ops */
static const struct i40iw_pd_ops iw_pd_ops = {
.pd_init = i40iw_sc_pd_init,
};
static const struct i40iw_priv_qp_ops iw_priv_qp_ops = {
.qp_init = i40iw_sc_qp_init,
.qp_create = i40iw_sc_qp_create,
.qp_modify = i40iw_sc_qp_modify,
.qp_destroy = i40iw_sc_qp_destroy,
.qp_flush_wqes = i40iw_sc_qp_flush_wqes,
.qp_upload_context = i40iw_sc_qp_upload_context,
.qp_setctx = i40iw_sc_qp_setctx,
.qp_send_lsmm = i40iw_sc_send_lsmm,
.qp_send_lsmm_nostag = i40iw_sc_send_lsmm_nostag,
.qp_send_rtt = i40iw_sc_send_rtt,
.qp_post_wqe0 = i40iw_sc_post_wqe0,
.iw_mr_fast_register = i40iw_sc_mr_fast_register
};
static const struct i40iw_priv_cq_ops iw_priv_cq_ops = {
.cq_init = i40iw_sc_cq_init,
.cq_create = i40iw_sc_cq_create,
.cq_destroy = i40iw_sc_cq_destroy,
.cq_modify = i40iw_sc_cq_modify,
};
static const struct i40iw_mr_ops iw_mr_ops = {
.alloc_stag = i40iw_sc_alloc_stag,
.mr_reg_non_shared = i40iw_sc_mr_reg_non_shared,
.mr_reg_shared = i40iw_sc_mr_reg_shared,
.dealloc_stag = i40iw_sc_dealloc_stag,
.query_stag = i40iw_sc_query_stag,
.mw_alloc = i40iw_sc_mw_alloc
};
static const struct i40iw_cqp_misc_ops iw_cqp_misc_ops = {
.manage_hmc_pm_func_table = i40iw_sc_manage_hmc_pm_func_table,
.set_hmc_resource_profile = i40iw_sc_set_hmc_resource_profile,
.commit_fpm_values = i40iw_sc_commit_fpm_values,
.query_fpm_values = i40iw_sc_query_fpm_values,
.static_hmc_pages_allocated = i40iw_sc_static_hmc_pages_allocated,
.add_arp_cache_entry = i40iw_sc_add_arp_cache_entry,
.del_arp_cache_entry = i40iw_sc_del_arp_cache_entry,
.query_arp_cache_entry = i40iw_sc_query_arp_cache_entry,
.manage_apbvt_entry = i40iw_sc_manage_apbvt_entry,
.manage_qhash_table_entry = i40iw_sc_manage_qhash_table_entry,
.alloc_local_mac_ipaddr_table_entry = i40iw_sc_alloc_local_mac_ipaddr_entry,
.add_local_mac_ipaddr_entry = i40iw_sc_add_local_mac_ipaddr_entry,
.del_local_mac_ipaddr_entry = i40iw_sc_del_local_mac_ipaddr_entry,
.cqp_nop = i40iw_sc_cqp_nop,
.commit_fpm_values_done = i40iw_sc_commit_fpm_values_done,
.query_fpm_values_done = i40iw_sc_query_fpm_values_done,
.manage_hmc_pm_func_table_done = i40iw_sc_manage_hmc_pm_func_table_done,
.update_suspend_qp = i40iw_sc_suspend_qp,
.update_resume_qp = i40iw_sc_resume_qp
};
static const struct i40iw_hmc_ops iw_hmc_ops = {
.init_iw_hmc = i40iw_sc_init_iw_hmc,
.parse_fpm_query_buf = i40iw_sc_parse_fpm_query_buf,
.configure_iw_fpm = i40iw_sc_configure_iw_fpm,
.parse_fpm_commit_buf = i40iw_sc_parse_fpm_commit_buf,
.create_hmc_object = i40iw_sc_create_hmc_obj,
.del_hmc_object = i40iw_sc_del_hmc_obj
};
/**
* i40iw_device_init - Initialize IWARP device
* @dev: IWARP device pointer
* @info: IWARP init info
*/
enum i40iw_status_code i40iw_device_init(struct i40iw_sc_dev *dev,
struct i40iw_device_init_info *info)
{
u32 val;
u32 vchnl_ver = 0;
u16 hmc_fcn = 0;
enum i40iw_status_code ret_code = 0;
u8 db_size;
spin_lock_init(&dev->cqp_lock);
i40iw_device_init_uk(&dev->dev_uk);
dev->debug_mask = info->debug_mask;
dev->hmc_fn_id = info->hmc_fn_id;
dev->is_pf = info->is_pf;
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;
if (dev->is_pf) {
val = i40iw_rd32(dev->hw, I40E_GLPCI_DREVID);
dev->hw_rev = (u8)RS_32(val, I40E_GLPCI_DREVID_DEFAULT_REVID);
val = i40iw_rd32(dev->hw, I40E_GLPCI_LBARCTRL);
db_size = (u8)RS_32(val, I40E_GLPCI_LBARCTRL_PE_DB_SIZE);
if ((db_size != I40IW_PE_DB_SIZE_4M) &&
(db_size != I40IW_PE_DB_SIZE_8M)) {
i40iw_debug(dev, I40IW_DEBUG_DEV,
"%s: PE doorbell is not enabled in CSR val 0x%x\n",
__func__, val);
ret_code = I40IW_ERR_PE_DOORBELL_NOT_ENABLED;
return ret_code;
}
dev->db_addr = dev->hw->hw_addr + I40IW_DB_ADDR_OFFSET;
dev->vchnl_if.vchnl_recv = i40iw_vchnl_recv_pf;
} else {
dev->db_addr = dev->hw->hw_addr + I40IW_VF_DB_ADDR_OFFSET;
}
dev->cqp_ops = &iw_cqp_ops;
dev->ccq_ops = &iw_ccq_ops;
dev->ceq_ops = &iw_ceq_ops;
dev->aeq_ops = &iw_aeq_ops;
dev->cqp_misc_ops = &iw_cqp_misc_ops;
dev->iw_pd_ops = &iw_pd_ops;
dev->iw_priv_qp_ops = &iw_priv_qp_ops;
dev->iw_priv_cq_ops = &iw_priv_cq_ops;
dev->mr_ops = &iw_mr_ops;
dev->hmc_ops = &iw_hmc_ops;
dev->vchnl_if.vchnl_send = info->vchnl_send;
if (dev->vchnl_if.vchnl_send)
dev->vchnl_up = true;
else
dev->vchnl_up = false;
if (!dev->is_pf) {
dev->vchnl_if.vchnl_recv = i40iw_vchnl_recv_vf;
ret_code = i40iw_vchnl_vf_get_ver(dev, &vchnl_ver);
if (!ret_code) {
i40iw_debug(dev, I40IW_DEBUG_DEV,
"%s: Get Channel version rc = 0x%0x, version is %u\n",
__func__, ret_code, vchnl_ver);
ret_code = i40iw_vchnl_vf_get_hmc_fcn(dev, &hmc_fcn);
if (!ret_code) {
i40iw_debug(dev, I40IW_DEBUG_DEV,
"%s Get HMC function rc = 0x%0x, hmc fcn is %u\n",
__func__, ret_code, hmc_fcn);
dev->hmc_fn_id = (u8)hmc_fcn;
}
}
}
dev->iw_vf_cqp_ops = &iw_vf_cqp_ops;
return ret_code;
}