/*
* Copyright (c) 2018-2019 Cavium, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* File : ecore_ooo.c
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "bcm_osal.h"
#include "ecore.h"
#include "ecore_status.h"
#include "ecore_ll2.h"
#include "ecore_ooo.h"
#include "ecore_iscsi.h"
#include "ecore_cxt.h"
/*
* Static OOO functions
*/
static struct ecore_ooo_archipelago *
ecore_ooo_seek_archipelago(struct ecore_ooo_info *p_ooo_info, u32 cid)
{
u32 idx = (cid & 0xffff) - p_ooo_info->cid_base;
struct ecore_ooo_archipelago *p_archipelago;
if (idx >= p_ooo_info->max_num_archipelagos)
return OSAL_NULL;
p_archipelago = &p_ooo_info->p_archipelagos_mem[idx];
if (OSAL_LIST_IS_EMPTY(&p_archipelago->isles_list))
return OSAL_NULL;
return p_archipelago;
}
static struct ecore_ooo_isle *ecore_ooo_seek_isle(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid, u8 isle)
{
struct ecore_ooo_archipelago *p_archipelago = OSAL_NULL;
struct ecore_ooo_isle *p_isle = OSAL_NULL;
u8 the_num_of_isle = 1;
p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
if (!p_archipelago) {
DP_NOTICE(p_hwfn, true,
"Connection %d is not found in OOO list\n", cid);
return OSAL_NULL;
}
OSAL_LIST_FOR_EACH_ENTRY(p_isle,
&p_archipelago->isles_list,
list_entry, struct ecore_ooo_isle) {
if (the_num_of_isle == isle)
return p_isle;
the_num_of_isle++;
}
return OSAL_NULL;
}
void ecore_ooo_save_history_entry(struct ecore_ooo_info *p_ooo_info,
struct ooo_opaque *p_cqe)
{
struct ecore_ooo_history *p_history = &p_ooo_info->ooo_history;
if (p_history->head_idx == p_history->num_of_cqes)
p_history->head_idx = 0;
p_history->p_cqes[p_history->head_idx] = *p_cqe;
p_history->head_idx++;
}
//#ifdef CONFIG_ECORE_ISCSI
#if defined(CONFIG_ECORE_ISCSI) || defined(CONFIG_ECORE_IWARP)
enum _ecore_status_t ecore_ooo_alloc(struct ecore_hwfn *p_hwfn)
{
u16 max_num_archipelagos = 0, cid_base;
struct ecore_ooo_info *p_ooo_info;
u16 max_num_isles = 0;
u32 i;
switch (p_hwfn->hw_info.personality) {
case ECORE_PCI_ISCSI:
max_num_archipelagos =
p_hwfn->pf_params.iscsi_pf_params.num_cons;
cid_base =(u16)ecore_cxt_get_proto_cid_start(p_hwfn,
PROTOCOLID_ISCSI);
break;
case ECORE_PCI_ETH_RDMA:
case ECORE_PCI_ETH_IWARP:
max_num_archipelagos =
(u16)ecore_cxt_get_proto_cid_count(p_hwfn,
PROTOCOLID_IWARP,
OSAL_NULL);
cid_base = (u16)ecore_cxt_get_proto_cid_start(p_hwfn,
PROTOCOLID_IWARP);
break;
default:
DP_NOTICE(p_hwfn, true,
"Failed to allocate ecore_ooo_info: unknown personalization\n");
return ECORE_INVAL;
}
max_num_isles = ECORE_MAX_NUM_ISLES + max_num_archipelagos;
if (!max_num_archipelagos) {
DP_NOTICE(p_hwfn, true,
"Failed to allocate ecore_ooo_info: unknown amount of connections\n");
return ECORE_INVAL;
}
p_ooo_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
sizeof(*p_ooo_info));
if (!p_ooo_info) {
DP_NOTICE(p_hwfn, true, "Failed to allocate ecore_ooo_info\n");
return ECORE_NOMEM;
}
p_ooo_info->cid_base = cid_base; /* We look only at the icid */
p_ooo_info->max_num_archipelagos = max_num_archipelagos;
OSAL_LIST_INIT(&p_ooo_info->free_buffers_list);
OSAL_LIST_INIT(&p_ooo_info->ready_buffers_list);
OSAL_LIST_INIT(&p_ooo_info->free_isles_list);
p_ooo_info->p_isles_mem =
OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
sizeof(struct ecore_ooo_isle) *
max_num_isles);
if (!p_ooo_info->p_isles_mem) {
DP_NOTICE(p_hwfn,true,
"Failed to allocate ecore_ooo_info (isles)\n");
goto no_isles_mem;
}
for (i = 0; i < max_num_isles; i++) {
OSAL_LIST_INIT(&p_ooo_info->p_isles_mem[i].buffers_list);
OSAL_LIST_PUSH_TAIL(&p_ooo_info->p_isles_mem[i].list_entry,
&p_ooo_info->free_isles_list);
}
p_ooo_info->p_archipelagos_mem =
OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
sizeof(struct ecore_ooo_archipelago) *
max_num_archipelagos);
if (!p_ooo_info->p_archipelagos_mem) {
DP_NOTICE(p_hwfn,true,
"Failed to allocate ecore_ooo_info(archpelagos)\n");
goto no_archipelagos_mem;
}
for (i = 0; i < max_num_archipelagos; i++) {
OSAL_LIST_INIT(&p_ooo_info->p_archipelagos_mem[i].isles_list);
}
p_ooo_info->ooo_history.p_cqes =
OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
sizeof(struct ooo_opaque) *
ECORE_MAX_NUM_OOO_HISTORY_ENTRIES);
if (!p_ooo_info->ooo_history.p_cqes) {
DP_NOTICE(p_hwfn,true,
"Failed to allocate ecore_ooo_info(history)\n");
goto no_history_mem;
}
p_ooo_info->ooo_history.num_of_cqes =
ECORE_MAX_NUM_OOO_HISTORY_ENTRIES;
p_hwfn->p_ooo_info = p_ooo_info;
return ECORE_SUCCESS;
no_history_mem:
OSAL_FREE(p_hwfn->p_dev, p_ooo_info->p_archipelagos_mem);
no_archipelagos_mem:
OSAL_FREE(p_hwfn->p_dev, p_ooo_info->p_isles_mem);
no_isles_mem:
OSAL_FREE(p_hwfn->p_dev, p_ooo_info);
return ECORE_NOMEM;
}
#endif
void ecore_ooo_release_connection_isles(struct ecore_ooo_info *p_ooo_info,
u32 cid)
{
struct ecore_ooo_archipelago *p_archipelago;
struct ecore_ooo_buffer *p_buffer;
struct ecore_ooo_isle *p_isle;
p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
if (!p_archipelago)
return;
while (!OSAL_LIST_IS_EMPTY(&p_archipelago->isles_list)) {
p_isle = OSAL_LIST_FIRST_ENTRY(
&p_archipelago->isles_list,
struct ecore_ooo_isle, list_entry);
#if defined(_NTDDK_)
#pragma warning(suppress : 6011 28182)
#endif
OSAL_LIST_REMOVE_ENTRY(&p_isle->list_entry,
&p_archipelago->isles_list);
while (!OSAL_LIST_IS_EMPTY(&p_isle->buffers_list)) {
p_buffer =
OSAL_LIST_FIRST_ENTRY(
&p_isle->buffers_list ,
struct ecore_ooo_buffer, list_entry);
if (p_buffer == OSAL_NULL)
break;
#if defined(_NTDDK_)
#pragma warning(suppress : 6011 28182)
#endif
OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
&p_isle->buffers_list);
OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
&p_ooo_info->free_buffers_list);
}
OSAL_LIST_PUSH_TAIL(&p_isle->list_entry,
&p_ooo_info->free_isles_list);
}
}
void ecore_ooo_release_all_isles(struct ecore_ooo_info *p_ooo_info)
{
struct ecore_ooo_archipelago *p_archipelago;
struct ecore_ooo_buffer *p_buffer;
struct ecore_ooo_isle *p_isle;
u32 i;
for (i = 0; i < p_ooo_info->max_num_archipelagos; i++) {
p_archipelago = &(p_ooo_info->p_archipelagos_mem[i]);
#if defined(_NTDDK_)
#pragma warning(suppress : 6011 28182)
#endif
while (!OSAL_LIST_IS_EMPTY(&p_archipelago->isles_list)) {
p_isle = OSAL_LIST_FIRST_ENTRY(
&p_archipelago->isles_list,
struct ecore_ooo_isle, list_entry);
#if defined(_NTDDK_)
#pragma warning(suppress : 6011 28182)
#endif
OSAL_LIST_REMOVE_ENTRY(&p_isle->list_entry,
&p_archipelago->isles_list);
while (!OSAL_LIST_IS_EMPTY(&p_isle->buffers_list)) {
p_buffer =
OSAL_LIST_FIRST_ENTRY(
&p_isle->buffers_list ,
struct ecore_ooo_buffer, list_entry);
if (p_buffer == OSAL_NULL)
break;
#if defined(_NTDDK_)
#pragma warning(suppress : 6011 28182)
#endif
OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
&p_isle->buffers_list);
OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
&p_ooo_info->free_buffers_list);
}
OSAL_LIST_PUSH_TAIL(&p_isle->list_entry,
&p_ooo_info->free_isles_list);
}
}
if (!OSAL_LIST_IS_EMPTY(&p_ooo_info->ready_buffers_list)) {
OSAL_LIST_SPLICE_TAIL_INIT(&p_ooo_info->ready_buffers_list,
&p_ooo_info->free_buffers_list);
}
}
//#ifdef CONFIG_ECORE_ISCSI
#if defined(CONFIG_ECORE_ISCSI) || defined(CONFIG_ECORE_IWARP)
void ecore_ooo_setup(struct ecore_hwfn *p_hwfn)
{
ecore_ooo_release_all_isles(p_hwfn->p_ooo_info);
OSAL_MEM_ZERO(p_hwfn->p_ooo_info->ooo_history.p_cqes,
p_hwfn->p_ooo_info->ooo_history.num_of_cqes *
sizeof(struct ooo_opaque));
p_hwfn->p_ooo_info->ooo_history.head_idx = 0;
}
void ecore_ooo_free(struct ecore_hwfn *p_hwfn)
{
struct ecore_ooo_info *p_ooo_info = p_hwfn->p_ooo_info;
struct ecore_ooo_buffer *p_buffer;
if (!p_ooo_info)
return;
ecore_ooo_release_all_isles(p_ooo_info);
while (!OSAL_LIST_IS_EMPTY(&p_ooo_info->free_buffers_list)) {
p_buffer = OSAL_LIST_FIRST_ENTRY(&p_ooo_info->
free_buffers_list,
struct ecore_ooo_buffer,
list_entry);
if (p_buffer == OSAL_NULL)
break;
#if defined(_NTDDK_)
#pragma warning(suppress : 6011 28182)
#endif
OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
&p_ooo_info->free_buffers_list);
OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
p_buffer->rx_buffer_virt_addr,
p_buffer->rx_buffer_phys_addr,
p_buffer->rx_buffer_size);
OSAL_FREE(p_hwfn->p_dev, p_buffer);
}
OSAL_FREE(p_hwfn->p_dev, p_ooo_info->p_isles_mem);
OSAL_FREE(p_hwfn->p_dev, p_ooo_info->p_archipelagos_mem);
OSAL_FREE(p_hwfn->p_dev, p_ooo_info->ooo_history.p_cqes);
OSAL_FREE(p_hwfn->p_dev, p_ooo_info);
p_hwfn->p_ooo_info = OSAL_NULL;
}
#endif
void ecore_ooo_put_free_buffer(struct ecore_ooo_info *p_ooo_info,
struct ecore_ooo_buffer *p_buffer)
{
OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
&p_ooo_info->free_buffers_list);
}
struct ecore_ooo_buffer *
ecore_ooo_get_free_buffer(struct ecore_ooo_info *p_ooo_info)
{
struct ecore_ooo_buffer *p_buffer = OSAL_NULL;
if (!OSAL_LIST_IS_EMPTY(&p_ooo_info->free_buffers_list)) {
p_buffer =
OSAL_LIST_FIRST_ENTRY(
&p_ooo_info->free_buffers_list,
struct ecore_ooo_buffer, list_entry);
OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
&p_ooo_info->free_buffers_list);
}
return p_buffer;
}
void ecore_ooo_put_ready_buffer(struct ecore_ooo_info *p_ooo_info,
struct ecore_ooo_buffer *p_buffer, u8 on_tail)
{
if (on_tail) {
OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
&p_ooo_info->ready_buffers_list);
} else {
OSAL_LIST_PUSH_HEAD(&p_buffer->list_entry,
&p_ooo_info->ready_buffers_list);
}
}
struct ecore_ooo_buffer *
ecore_ooo_get_ready_buffer(struct ecore_ooo_info *p_ooo_info)
{
struct ecore_ooo_buffer *p_buffer = OSAL_NULL;
if (!OSAL_LIST_IS_EMPTY(&p_ooo_info->ready_buffers_list)) {
p_buffer =
OSAL_LIST_FIRST_ENTRY(
&p_ooo_info->ready_buffers_list,
struct ecore_ooo_buffer, list_entry);
OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
&p_ooo_info->ready_buffers_list);
}
return p_buffer;
}
void ecore_ooo_delete_isles(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid,
u8 drop_isle,
u8 drop_size)
{
struct ecore_ooo_archipelago *p_archipelago = OSAL_NULL;
struct ecore_ooo_isle *p_isle = OSAL_NULL;
u8 isle_idx;
p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
for (isle_idx = 0; isle_idx < drop_size; isle_idx++) {
p_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info,
cid, drop_isle);
if (!p_isle) {
DP_NOTICE(p_hwfn, true,
"Isle %d is not found(cid %d)\n",
drop_isle, cid);
return;
}
if (OSAL_LIST_IS_EMPTY(&p_isle->buffers_list)) {
DP_NOTICE(p_hwfn, true,
"Isle %d is empty(cid %d)\n",
drop_isle, cid);
} else {
OSAL_LIST_SPLICE_TAIL_INIT(&p_isle->buffers_list,
&p_ooo_info->free_buffers_list);
}
#if defined(_NTDDK_)
#pragma warning(suppress : 6011)
#endif
OSAL_LIST_REMOVE_ENTRY(&p_isle->list_entry,
&p_archipelago->isles_list);
p_ooo_info->cur_isles_number--;
OSAL_LIST_PUSH_HEAD(&p_isle->list_entry,
&p_ooo_info->free_isles_list);
}
}
void ecore_ooo_add_new_isle(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid, u8 ooo_isle,
struct ecore_ooo_buffer *p_buffer)
{
struct ecore_ooo_archipelago *p_archipelago = OSAL_NULL;
struct ecore_ooo_isle *p_prev_isle = OSAL_NULL;
struct ecore_ooo_isle *p_isle = OSAL_NULL;
if (ooo_isle > 1) {
p_prev_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info, cid, ooo_isle - 1);
if (!p_prev_isle) {
DP_NOTICE(p_hwfn, true,
"Isle %d is not found(cid %d)\n",
ooo_isle - 1, cid);
return;
}
}
p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
if (!p_archipelago && (ooo_isle != 1)) {
DP_NOTICE(p_hwfn, true,
"Connection %d is not found in OOO list\n", cid);
return;
}
if (!OSAL_LIST_IS_EMPTY(&p_ooo_info->free_isles_list)) {
p_isle =
OSAL_LIST_FIRST_ENTRY(
&p_ooo_info->free_isles_list,
struct ecore_ooo_isle, list_entry);
OSAL_LIST_REMOVE_ENTRY(&p_isle->list_entry,
&p_ooo_info->free_isles_list);
if (!OSAL_LIST_IS_EMPTY(&p_isle->buffers_list)) {
DP_NOTICE(p_hwfn, true, "Free isle is not empty\n");
OSAL_LIST_INIT(&p_isle->buffers_list);
}
} else {
DP_NOTICE(p_hwfn, true, "No more free isles\n");
return;
}
if (!p_archipelago) {
u32 idx = (cid & 0xffff) - p_ooo_info->cid_base;
p_archipelago = &p_ooo_info->p_archipelagos_mem[idx];
}
OSAL_LIST_PUSH_HEAD(&p_buffer->list_entry, &p_isle->buffers_list);
p_ooo_info->cur_isles_number++;
p_ooo_info->gen_isles_number++;
if (p_ooo_info->cur_isles_number > p_ooo_info->max_isles_number)
p_ooo_info->max_isles_number = p_ooo_info->cur_isles_number;
if (!p_prev_isle) {
OSAL_LIST_PUSH_HEAD(&p_isle->list_entry, &p_archipelago->isles_list);
} else {
OSAL_LIST_INSERT_ENTRY_AFTER(&p_isle->list_entry,
&p_prev_isle->list_entry,
&p_archipelago->isles_list);
}
}
void ecore_ooo_add_new_buffer(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid,
u8 ooo_isle,
struct ecore_ooo_buffer *p_buffer,
u8 buffer_side)
{
struct ecore_ooo_isle * p_isle = OSAL_NULL;
p_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info, cid, ooo_isle);
if (!p_isle) {
DP_NOTICE(p_hwfn, true,
"Isle %d is not found(cid %d)\n",
ooo_isle, cid);
return;
}
if (buffer_side == ECORE_OOO_LEFT_BUF) {
OSAL_LIST_PUSH_HEAD(&p_buffer->list_entry,
&p_isle->buffers_list);
} else {
OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
&p_isle->buffers_list);
}
}
void ecore_ooo_join_isles(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid, u8 left_isle)
{
struct ecore_ooo_archipelago *p_archipelago = OSAL_NULL;
struct ecore_ooo_isle *p_right_isle = OSAL_NULL;
struct ecore_ooo_isle *p_left_isle = OSAL_NULL;
p_right_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info, cid,
left_isle + 1);
if (!p_right_isle) {
DP_NOTICE(p_hwfn, true,
"Right isle %d is not found(cid %d)\n",
left_isle + 1, cid);
return;
}
p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
OSAL_LIST_REMOVE_ENTRY(&p_right_isle->list_entry,
&p_archipelago->isles_list);
p_ooo_info->cur_isles_number--;
if (left_isle) {
p_left_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info, cid,
left_isle);
if (!p_left_isle) {
DP_NOTICE(p_hwfn, true,
"Left isle %d is not found(cid %d)\n",
left_isle, cid);
return;
}
OSAL_LIST_SPLICE_TAIL_INIT(&p_right_isle->buffers_list,
&p_left_isle->buffers_list);
} else {
OSAL_LIST_SPLICE_TAIL_INIT(&p_right_isle->buffers_list,
&p_ooo_info->ready_buffers_list);
}
OSAL_LIST_PUSH_TAIL(&p_right_isle->list_entry,
&p_ooo_info->free_isles_list);
}
void ecore_ooo_dump_rx_event(struct ecore_hwfn *p_hwfn,
struct ooo_opaque *iscsi_ooo,
struct ecore_ooo_buffer *p_buffer)
{
int i;
u32 dp_module = ECORE_MSG_OOO;
u32 ph_hi, ph_lo;
u8 *packet_buffer = 0;
if (p_hwfn->dp_level > ECORE_LEVEL_VERBOSE)
return;
if (!(p_hwfn->dp_module & dp_module))
return;
packet_buffer = (u8 *)p_buffer->rx_buffer_virt_addr +
p_buffer->placement_offset;
DP_VERBOSE(p_hwfn, dp_module,
"******************************************************\n");
ph_hi = DMA_HI(p_buffer->rx_buffer_phys_addr);
ph_lo = DMA_LO(p_buffer->rx_buffer_phys_addr);
DP_VERBOSE(p_hwfn, dp_module,
"0x%x-%x: CID 0x%x, OP 0x%x, ISLE 0x%x\n",
ph_hi, ph_lo,
iscsi_ooo->cid, iscsi_ooo->ooo_opcode, iscsi_ooo->ooo_isle);
for (i = 0; i < 64; i = i + 8) {
DP_VERBOSE(p_hwfn, dp_module,
"0x%x-%x: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
ph_hi, ph_lo,
packet_buffer[i],
packet_buffer[i + 1],
packet_buffer[i + 2],
packet_buffer[i + 3],
packet_buffer[i + 4],
packet_buffer[i + 5],
packet_buffer[i + 6],
packet_buffer[i + 7]);
}
}