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qed: simplify chain allocation with init params struct 

To simplify qed_chain_alloc() prototype and call sites, introduce struct
qed_chain_init_params to specify chain params, and pass a pointer to
filled struct to the actual qed_chain_alloc() instead of a long list
of separate arguments.

Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Lobakin 2020-07-23 01:10:38 +03:00 committed by David S. Miller
parent c3a321b06a
commit b6db3f71c9
10 changed files with 242 additions and 233 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/infiniband/hw/qedr/main.c
View File

@ -346,9 +346,14 @@ static void qedr_free_resources(struct qedr_dev *dev)
static int qedr_alloc_resources(struct qedr_dev *dev)
{
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.intended_use = QED_CHAIN_USE_TO_CONSUME,
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
.elem_size = sizeof(struct regpair *),
};
struct qedr_cnq *cnq;
__le16 *cons_pi;
u16 n_entries;
int i, rc;
dev->sgid_tbl = kcalloc(QEDR_MAX_SGID, sizeof(union ib_gid),
@ -382,7 +387,9 @@ static int qedr_alloc_resources(struct qedr_dev *dev)
dev->sb_start = dev->ops->rdma_get_start_sb(dev->cdev);
/* Allocate CNQ PBLs */
n_entries = min_t(u32, QED_RDMA_MAX_CNQ_SIZE, QEDR_ROCE_MAX_CNQ_SIZE);
params.num_elems = min_t(u32, QED_RDMA_MAX_CNQ_SIZE,
QEDR_ROCE_MAX_CNQ_SIZE);
for (i = 0; i < dev->num_cnq; i++) {
cnq = &dev->cnq_array[i];
@ -391,13 +398,8 @@ static int qedr_alloc_resources(struct qedr_dev *dev)
if (rc)
goto err3;
rc = dev->ops->common->chain_alloc(dev->cdev,
QED_CHAIN_USE_TO_CONSUME,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
n_entries,
sizeof(struct regpair *),
&cnq->pbl, NULL);
rc = dev->ops->common->chain_alloc(dev->cdev, &cnq->pbl,
&params);
if (rc)
goto err4;

95
drivers/infiniband/hw/qedr/verbs.c
View File

@ -891,6 +891,12 @@ int qedr_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
udata, struct qedr_ucontext, ibucontext);
struct qed_rdma_destroy_cq_out_params destroy_oparams;
struct qed_rdma_destroy_cq_in_params destroy_iparams;
struct qed_chain_init_params chain_params = {
.mode = QED_CHAIN_MODE_PBL,
.intended_use = QED_CHAIN_USE_TO_CONSUME,
.cnt_type = QED_CHAIN_CNT_TYPE_U32,
.elem_size = sizeof(union rdma_cqe),
};
struct qedr_dev *dev = get_qedr_dev(ibdev);
struct qed_rdma_create_cq_in_params params;
struct qedr_create_cq_ureq ureq = {};
@ -917,6 +923,7 @@ int qedr_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
chain_entries = qedr_align_cq_entries(entries);
chain_entries = min_t(int, chain_entries, QEDR_MAX_CQES);
chain_params.num_elems = chain_entries;
/* calc db offset. user will add DPI base, kernel will add db addr */
db_offset = DB_ADDR_SHIFT(DQ_PWM_OFFSET_UCM_RDMA_CQ_CONS_32BIT);
@ -951,13 +958,8 @@ int qedr_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
} else {
cq->cq_type = QEDR_CQ_TYPE_KERNEL;
rc = dev->ops->common->chain_alloc(dev->cdev,
QED_CHAIN_USE_TO_CONSUME,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U32,
chain_entries,
sizeof(union rdma_cqe),
&cq->pbl, NULL);
rc = dev->ops->common->chain_alloc(dev->cdev, &cq->pbl,
&chain_params);
if (rc)
goto err0;
@ -1446,6 +1448,12 @@ static int qedr_alloc_srq_kernel_params(struct qedr_srq *srq,
struct ib_srq_init_attr *init_attr)
{
struct qedr_srq_hwq_info *hw_srq = &srq->hw_srq;
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE,
.cnt_type = QED_CHAIN_CNT_TYPE_U32,
.elem_size = QEDR_SRQ_WQE_ELEM_SIZE,
};
dma_addr_t phy_prod_pair_addr;
u32 num_elems;
void *va;
@ -1464,13 +1472,9 @@ static int qedr_alloc_srq_kernel_params(struct qedr_srq *srq,
hw_srq->virt_prod_pair_addr = va;
num_elems = init_attr->attr.max_wr * RDMA_MAX_SRQ_WQE_SIZE;
rc = dev->ops->common->chain_alloc(dev->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U32,
num_elems,
QEDR_SRQ_WQE_ELEM_SIZE,
&hw_srq->pbl, NULL);
params.num_elems = num_elems;
rc = dev->ops->common->chain_alloc(dev->cdev, &hw_srq->pbl, &params);
if (rc)
goto err0;
@ -1901,29 +1905,28 @@ qedr_roce_create_kernel_qp(struct qedr_dev *dev,
u32 n_sq_elems, u32 n_rq_elems)
{
struct qed_rdma_create_qp_out_params out_params;
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.cnt_type = QED_CHAIN_CNT_TYPE_U32,
};
int rc;
rc = dev->ops->common->chain_alloc(dev->cdev,
QED_CHAIN_USE_TO_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U32,
n_sq_elems,
QEDR_SQE_ELEMENT_SIZE,
&qp->sq.pbl, NULL);
params.intended_use = QED_CHAIN_USE_TO_PRODUCE;
params.num_elems = n_sq_elems;
params.elem_size = QEDR_SQE_ELEMENT_SIZE;
rc = dev->ops->common->chain_alloc(dev->cdev, &qp->sq.pbl, &params);
if (rc)
return rc;
in_params->sq_num_pages = qed_chain_get_page_cnt(&qp->sq.pbl);
in_params->sq_pbl_ptr = qed_chain_get_pbl_phys(&qp->sq.pbl);
rc = dev->ops->common->chain_alloc(dev->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U32,
n_rq_elems,
QEDR_RQE_ELEMENT_SIZE,
&qp->rq.pbl, NULL);
params.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE;
params.elem_size = n_rq_elems;
params.elem_size = QEDR_RQE_ELEMENT_SIZE;
rc = dev->ops->common->chain_alloc(dev->cdev, &qp->rq.pbl, &params);
if (rc)
return rc;
@ -1949,7 +1952,10 @@ qedr_iwarp_create_kernel_qp(struct qedr_dev *dev,
u32 n_sq_elems, u32 n_rq_elems)
{
struct qed_rdma_create_qp_out_params out_params;
struct qed_chain_ext_pbl ext_pbl;
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.cnt_type = QED_CHAIN_CNT_TYPE_U32,
};
int rc;
in_params->sq_num_pages = QED_CHAIN_PAGE_CNT(n_sq_elems,
@ -1966,31 +1972,24 @@ qedr_iwarp_create_kernel_qp(struct qedr_dev *dev,
return -EINVAL;
/* Now we allocate the chain */
ext_pbl.p_pbl_virt = out_params.sq_pbl_virt;
ext_pbl.p_pbl_phys = out_params.sq_pbl_phys;
rc = dev->ops->common->chain_alloc(dev->cdev,
QED_CHAIN_USE_TO_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U32,
n_sq_elems,
QEDR_SQE_ELEMENT_SIZE,
&qp->sq.pbl, &ext_pbl);
params.intended_use = QED_CHAIN_USE_TO_PRODUCE;
params.num_elems = n_sq_elems;
params.elem_size = QEDR_SQE_ELEMENT_SIZE;
params.ext_pbl_virt = out_params.sq_pbl_virt;
params.ext_pbl_phys = out_params.sq_pbl_phys;
rc = dev->ops->common->chain_alloc(dev->cdev, &qp->sq.pbl, &params);
if (rc)
goto err;
ext_pbl.p_pbl_virt = out_params.rq_pbl_virt;
ext_pbl.p_pbl_phys = out_params.rq_pbl_phys;
rc = dev->ops->common->chain_alloc(dev->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U32,
n_rq_elems,
QEDR_RQE_ELEMENT_SIZE,
&qp->rq.pbl, &ext_pbl);
params.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE;
params.num_elems = n_rq_elems;
params.elem_size = QEDR_RQE_ELEMENT_SIZE;
params.ext_pbl_virt = out_params.rq_pbl_virt;
params.ext_pbl_phys = out_params.rq_pbl_phys;
rc = dev->ops->common->chain_alloc(dev->cdev, &qp->rq.pbl, &params);
if (rc)
goto err;

80
drivers/net/ethernet/qlogic/qed/qed_chain.c
View File

@ -7,23 +7,22 @@
#include "qed_dev_api.h"
static void qed_chain_init_params(struct qed_chain *chain,
u32 page_cnt, u8 elem_size,
enum qed_chain_use_mode intended_use,
enum qed_chain_mode mode,
enum qed_chain_cnt_type cnt_type,
const struct qed_chain_ext_pbl *ext_pbl)
static void qed_chain_init(struct qed_chain *chain,
const struct qed_chain_init_params *params,
u32 page_cnt)
{
memset(chain, 0, sizeof(*chain));
chain->elem_size = elem_size;
chain->intended_use = intended_use;
chain->mode = mode;
chain->cnt_type = cnt_type;
chain->elem_size = params->elem_size;
chain->intended_use = params->intended_use;
chain->mode = params->mode;
chain->cnt_type = params->cnt_type;
chain->elem_per_page = ELEMS_PER_PAGE(elem_size);
chain->usable_per_page = USABLE_ELEMS_PER_PAGE(elem_size, mode);
chain->elem_unusable = UNUSABLE_ELEMS_PER_PAGE(elem_size, mode);
chain->elem_per_page = ELEMS_PER_PAGE(params->elem_size);
chain->usable_per_page = USABLE_ELEMS_PER_PAGE(params->elem_size,
params->mode);
chain->elem_unusable = UNUSABLE_ELEMS_PER_PAGE(params->elem_size,
params->mode);
chain->elem_per_page_mask = chain->elem_per_page - 1;
chain->next_page_mask = chain->usable_per_page &
@ -33,9 +32,9 @@ static void qed_chain_init_params(struct qed_chain *chain,
chain->capacity = chain->usable_per_page * page_cnt;
chain->size = chain->elem_per_page * page_cnt;
if (ext_pbl && ext_pbl->p_pbl_virt) {
chain->pbl_sp.table_virt = ext_pbl->p_pbl_virt;
chain->pbl_sp.table_phys = ext_pbl->p_pbl_phys;
if (params->ext_pbl_virt) {
chain->pbl_sp.table_virt = params->ext_pbl_virt;
chain->pbl_sp.table_phys = params->ext_pbl_phys;
chain->b_external_pbl = true;
}
@ -154,10 +153,16 @@ void qed_chain_free(struct qed_dev *cdev, struct qed_chain *chain)
static int
qed_chain_alloc_sanity_check(struct qed_dev *cdev,
enum qed_chain_cnt_type cnt_type,
size_t elem_size, u32 page_cnt)
const struct qed_chain_init_params *params,
u32 page_cnt)
{
u64 chain_size = ELEMS_PER_PAGE(elem_size) * page_cnt;
u64 chain_size;
chain_size = ELEMS_PER_PAGE(params->elem_size);
chain_size *= page_cnt;
if (!chain_size)
return -EINVAL;
/* The actual chain size can be larger than the maximal possible value
* after rounding up the requested elements number to pages, and after
@ -165,7 +170,7 @@ qed_chain_alloc_sanity_check(struct qed_dev *cdev,
* The size of a "u16" chain can be (U16_MAX + 1) since the chain
* size/capacity fields are of u32 type.
*/
switch (cnt_type) {
switch (params->cnt_type) {
case QED_CHAIN_CNT_TYPE_U16:
if (chain_size > U16_MAX + 1)
break;
@ -298,37 +303,42 @@ alloc_pages:
return 0;
}
int qed_chain_alloc(struct qed_dev *cdev,
enum qed_chain_use_mode intended_use,
enum qed_chain_mode mode,
enum qed_chain_cnt_type cnt_type,
u32 num_elems,
size_t elem_size,
struct qed_chain *chain,
struct qed_chain_ext_pbl *ext_pbl)
/**
* qed_chain_alloc() - Allocate and initialize a chain.
*
* @cdev: Main device structure.
* @chain: Chain to be processed.
* @params: Chain initialization parameters.
*
* Return: 0 on success, negative errno otherwise.
*/
int qed_chain_alloc(struct qed_dev *cdev, struct qed_chain *chain,
struct qed_chain_init_params *params)
{
u32 page_cnt;
int rc;
if (mode == QED_CHAIN_MODE_SINGLE)
if (params->mode == QED_CHAIN_MODE_SINGLE)
page_cnt = 1;
else
page_cnt = QED_CHAIN_PAGE_CNT(num_elems, elem_size, mode);
page_cnt = QED_CHAIN_PAGE_CNT(params->num_elems,
params->elem_size,
params->mode);
rc = qed_chain_alloc_sanity_check(cdev, cnt_type, elem_size, page_cnt);
rc = qed_chain_alloc_sanity_check(cdev, params, page_cnt);
if (rc) {
DP_NOTICE(cdev,
"Cannot allocate a chain with the given arguments:\n");
DP_NOTICE(cdev,
"[use_mode %d, mode %d, cnt_type %d, num_elems %d, elem_size %zu]\n",
intended_use, mode, cnt_type, num_elems, elem_size);
params->intended_use, params->mode, params->cnt_type,
params->num_elems, params->elem_size);
return rc;
}
qed_chain_init_params(chain, page_cnt, elem_size, intended_use, mode,
cnt_type, ext_pbl);
qed_chain_init(chain, params, page_cnt);
switch (mode) {
switch (params->mode) {
case QED_CHAIN_MODE_NEXT_PTR:
rc = qed_chain_alloc_next_ptr(cdev, chain);
break;

32
drivers/net/ethernet/qlogic/qed/qed_dev_api.h
View File

@ -254,35 +254,9 @@ int qed_dmae_host2host(struct qed_hwfn *p_hwfn,
dma_addr_t dest_addr,
u32 size_in_dwords, struct qed_dmae_params *p_params);
/**
* @brief qed_chain_alloc - Allocate and initialize a chain
*
* @param p_hwfn
* @param intended_use
* @param mode
* @param num_elems
* @param elem_size
* @param p_chain
* @param ext_pbl - a possible external PBL
*
* @return int
*/
int
qed_chain_alloc(struct qed_dev *cdev,
enum qed_chain_use_mode intended_use,
enum qed_chain_mode mode,
enum qed_chain_cnt_type cnt_type,
u32 num_elems,
size_t elem_size,
struct qed_chain *p_chain, struct qed_chain_ext_pbl *ext_pbl);
/**
* @brief qed_chain_free - Free chain DMA memory
*
* @param p_hwfn
* @param p_chain
*/
void qed_chain_free(struct qed_dev *cdev, struct qed_chain *p_chain);
int qed_chain_alloc(struct qed_dev *cdev, struct qed_chain *chain,
struct qed_chain_init_params *params);
void qed_chain_free(struct qed_dev *cdev, struct qed_chain *chain);
/**
* @@brief qed_fw_l2_queue - Get absolute L2 queue ID

39
drivers/net/ethernet/qlogic/qed/qed_iscsi.c
View File

@ -684,9 +684,13 @@ nomem:
static int qed_iscsi_allocate_connection(struct qed_hwfn *p_hwfn,
struct qed_iscsi_conn **p_out_conn)
{
u16 uhq_num_elements = 0, xhq_num_elements = 0, r2tq_num_elements = 0;
struct scsi_terminate_extra_params *p_q_cnts = NULL;
struct qed_iscsi_pf_params *p_params = NULL;
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE,
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
};
struct tcp_upload_params *p_tcp = NULL;
struct qed_iscsi_conn *p_conn = NULL;
int rc = 0;
@ -727,34 +731,25 @@ static int qed_iscsi_allocate_connection(struct qed_hwfn *p_hwfn,
goto nomem_upload_param;
p_conn->tcp_upload_params_virt_addr = p_tcp;
r2tq_num_elements = p_params->num_r2tq_pages_in_ring *
QED_CHAIN_PAGE_SIZE / 0x80;
rc = qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
r2tq_num_elements, 0x80, &p_conn->r2tq, NULL);
params.num_elems = p_params->num_r2tq_pages_in_ring *
QED_CHAIN_PAGE_SIZE / sizeof(struct iscsi_wqe);
params.elem_size = sizeof(struct iscsi_wqe);
rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->r2tq, &params);
if (rc)
goto nomem_r2tq;
uhq_num_elements = p_params->num_uhq_pages_in_ring *
params.num_elems = p_params->num_uhq_pages_in_ring *
QED_CHAIN_PAGE_SIZE / sizeof(struct iscsi_uhqe);
rc = qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
uhq_num_elements,
sizeof(struct iscsi_uhqe), &p_conn->uhq, NULL);
params.elem_size = sizeof(struct iscsi_uhqe);
rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->uhq, &params);
if (rc)
goto nomem_uhq;
xhq_num_elements = uhq_num_elements;
rc = qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
xhq_num_elements,
sizeof(struct iscsi_xhqe), &p_conn->xhq, NULL);
params.elem_size = sizeof(struct iscsi_xhqe);
rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->xhq, &params);
if (rc)
goto nomem;

44
drivers/net/ethernet/qlogic/qed/qed_ll2.c
View File

@ -1125,6 +1125,12 @@ static int
qed_ll2_acquire_connection_rx(struct qed_hwfn *p_hwfn,
struct qed_ll2_info *p_ll2_info)
{
struct qed_chain_init_params params = {
.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE,
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
.num_elems = p_ll2_info->input.rx_num_desc,
};
struct qed_dev *cdev = p_hwfn->cdev;
struct qed_ll2_rx_packet *p_descq;
u32 capacity;
int rc = 0;
@ -1132,13 +1138,10 @@ qed_ll2_acquire_connection_rx(struct qed_hwfn *p_hwfn,
if (!p_ll2_info->input.rx_num_desc)
goto out;
rc = qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_NEXT_PTR,
QED_CHAIN_CNT_TYPE_U16,
p_ll2_info->input.rx_num_desc,
sizeof(struct core_rx_bd),
&p_ll2_info->rx_queue.rxq_chain, NULL);
params.mode = QED_CHAIN_MODE_NEXT_PTR;
params.elem_size = sizeof(struct core_rx_bd);
rc = qed_chain_alloc(cdev, &p_ll2_info->rx_queue.rxq_chain, &params);
if (rc) {
DP_NOTICE(p_hwfn, "Failed to allocate ll2 rxq chain\n");
goto out;
@ -1154,13 +1157,10 @@ qed_ll2_acquire_connection_rx(struct qed_hwfn *p_hwfn,
}
p_ll2_info->rx_queue.descq_array = p_descq;
rc = qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
p_ll2_info->input.rx_num_desc,
sizeof(struct core_rx_fast_path_cqe),
&p_ll2_info->rx_queue.rcq_chain, NULL);
params.mode = QED_CHAIN_MODE_PBL;
params.elem_size = sizeof(struct core_rx_fast_path_cqe);
rc = qed_chain_alloc(cdev, &p_ll2_info->rx_queue.rcq_chain, &params);
if (rc) {
DP_NOTICE(p_hwfn, "Failed to allocate ll2 rcq chain\n");
goto out;
@ -1177,6 +1177,13 @@ out:
static int qed_ll2_acquire_connection_tx(struct qed_hwfn *p_hwfn,
struct qed_ll2_info *p_ll2_info)
{
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE,
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
.num_elems = p_ll2_info->input.tx_num_desc,
.elem_size = sizeof(struct core_tx_bd),
};
struct qed_ll2_tx_packet *p_descq;
u32 desc_size;
u32 capacity;
@ -1185,13 +1192,8 @@ static int qed_ll2_acquire_connection_tx(struct qed_hwfn *p_hwfn,
if (!p_ll2_info->input.tx_num_desc)
goto out;
rc = qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
p_ll2_info->input.tx_num_desc,
sizeof(struct core_tx_bd),
&p_ll2_info->tx_queue.txq_chain, NULL);
rc = qed_chain_alloc(p_hwfn->cdev, &p_ll2_info->tx_queue.txq_chain,
&params);
if (rc)
goto out;

90
drivers/net/ethernet/qlogic/qed/qed_spq.c
View File

@ -382,22 +382,26 @@ int qed_eq_completion(struct qed_hwfn *p_hwfn, void *cookie)
int qed_eq_alloc(struct qed_hwfn *p_hwfn, u16 num_elem)
{
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.intended_use = QED_CHAIN_USE_TO_PRODUCE,
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
.num_elems = num_elem,
.elem_size = sizeof(union event_ring_element),
};
struct qed_eq *p_eq;
int ret;
/* Allocate EQ struct */
p_eq = kzalloc(sizeof(*p_eq), GFP_KERNEL);
if (!p_eq)
return -ENOMEM;
/* Allocate and initialize EQ chain*/
if (qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
num_elem,
sizeof(union event_ring_element),
&p_eq->chain, NULL))
ret = qed_chain_alloc(p_hwfn->cdev, &p_eq->chain, &params);
if (ret) {
DP_NOTICE(p_hwfn, "Failed to allocate EQ chain\n");
goto eq_allocate_fail;
}
/* register EQ completion on the SP SB */
qed_int_register_cb(p_hwfn, qed_eq_completion,
@ -408,7 +412,8 @@ int qed_eq_alloc(struct qed_hwfn *p_hwfn, u16 num_elem)
eq_allocate_fail:
kfree(p_eq);
return -ENOMEM;
return ret;
}
void qed_eq_setup(struct qed_hwfn *p_hwfn)
@ -529,33 +534,40 @@ void qed_spq_setup(struct qed_hwfn *p_hwfn)
int qed_spq_alloc(struct qed_hwfn *p_hwfn)
{
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_SINGLE,
.intended_use = QED_CHAIN_USE_TO_PRODUCE,
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
.elem_size = sizeof(struct slow_path_element),
};
struct qed_dev *cdev = p_hwfn->cdev;
struct qed_spq_entry *p_virt = NULL;
struct qed_spq *p_spq = NULL;
dma_addr_t p_phys = 0;
u32 capacity;
int ret;
/* SPQ struct */
p_spq = kzalloc(sizeof(struct qed_spq), GFP_KERNEL);
if (!p_spq)
return -ENOMEM;
/* SPQ ring */
if (qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_PRODUCE,
QED_CHAIN_MODE_SINGLE,
QED_CHAIN_CNT_TYPE_U16,
0, /* N/A when the mode is SINGLE */
sizeof(struct slow_path_element),
&p_spq->chain, NULL))
goto spq_allocate_fail;
/* SPQ ring */
ret = qed_chain_alloc(cdev, &p_spq->chain, &params);
if (ret) {
DP_NOTICE(p_hwfn, "Failed to allocate SPQ chain\n");
goto spq_chain_alloc_fail;
}
/* allocate and fill the SPQ elements (incl. ramrod data list) */
capacity = qed_chain_get_capacity(&p_spq->chain);
p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
ret = -ENOMEM;
p_virt = dma_alloc_coherent(&cdev->pdev->dev,
capacity * sizeof(struct qed_spq_entry),
&p_phys, GFP_KERNEL);
if (!p_virt)
goto spq_allocate_fail;
goto spq_alloc_fail;
p_spq->p_virt = p_virt;
p_spq->p_phys = p_phys;
@ -563,10 +575,12 @@ int qed_spq_alloc(struct qed_hwfn *p_hwfn)
return 0;
spq_allocate_fail:
qed_chain_free(p_hwfn->cdev, &p_spq->chain);
spq_alloc_fail:
qed_chain_free(cdev, &p_spq->chain);
spq_chain_alloc_fail:
kfree(p_spq);
return -ENOMEM;
return ret;
}
void qed_spq_free(struct qed_hwfn *p_hwfn)
@ -967,30 +981,40 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
return 0;
}
#define QED_SPQ_CONSQ_ELEM_SIZE 0x80
int qed_consq_alloc(struct qed_hwfn *p_hwfn)
{
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.intended_use = QED_CHAIN_USE_TO_PRODUCE,
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
.num_elems = QED_CHAIN_PAGE_SIZE / QED_SPQ_CONSQ_ELEM_SIZE,
.elem_size = QED_SPQ_CONSQ_ELEM_SIZE,
};
struct qed_consq *p_consq;
int ret;
/* Allocate ConsQ struct */
p_consq = kzalloc(sizeof(*p_consq), GFP_KERNEL);
if (!p_consq)
return -ENOMEM;
/* Allocate and initialize EQ chain*/
if (qed_chain_alloc(p_hwfn->cdev,
QED_CHAIN_USE_TO_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
QED_CHAIN_PAGE_SIZE / 0x80,
0x80, &p_consq->chain, NULL))
goto consq_allocate_fail;
/* Allocate and initialize ConsQ chain */
ret = qed_chain_alloc(p_hwfn->cdev, &p_consq->chain, &params);
if (ret) {
DP_NOTICE(p_hwfn, "Failed to allocate ConsQ chain");
goto consq_alloc_fail;
}
p_hwfn->p_consq = p_consq;
return 0;
consq_allocate_fail:
consq_alloc_fail:
kfree(p_consq);
return -ENOMEM;
return ret;
}
void qed_consq_setup(struct qed_hwfn *p_hwfn)

45
drivers/net/ethernet/qlogic/qede/qede_main.c
View File

@ -1442,6 +1442,11 @@ static void qede_set_tpa_param(struct qede_rx_queue *rxq)
/* This function allocates all memory needed per Rx queue */
static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq)
{
struct qed_chain_init_params params = {
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
.num_elems = RX_RING_SIZE,
};
struct qed_dev *cdev = edev->cdev;
int i, rc, size;
rxq->num_rx_buffers = edev->q_num_rx_buffers;
@ -1477,24 +1482,20 @@ static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq)
}
/* Allocate FW Rx ring */
rc = edev->ops->common->chain_alloc(edev->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_NEXT_PTR,
QED_CHAIN_CNT_TYPE_U16,
RX_RING_SIZE,
sizeof(struct eth_rx_bd),
&rxq->rx_bd_ring, NULL);
params.mode = QED_CHAIN_MODE_NEXT_PTR;
params.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE;
params.elem_size = sizeof(struct eth_rx_bd);
rc = edev->ops->common->chain_alloc(cdev, &rxq->rx_bd_ring, &params);
if (rc)
goto err;
/* Allocate FW completion ring */
rc = edev->ops->common->chain_alloc(edev->cdev,
QED_CHAIN_USE_TO_CONSUME,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
RX_RING_SIZE,
sizeof(union eth_rx_cqe),
&rxq->rx_comp_ring, NULL);
params.mode = QED_CHAIN_MODE_PBL;
params.intended_use = QED_CHAIN_USE_TO_CONSUME;
params.elem_size = sizeof(union eth_rx_cqe);
rc = edev->ops->common->chain_alloc(cdev, &rxq->rx_comp_ring, &params);
if (rc)
goto err;
@ -1531,7 +1532,13 @@ static void qede_free_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq)
/* This function allocates all memory needed per Tx queue */
static int qede_alloc_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq)
{
union eth_tx_bd_types *p_virt;
struct qed_chain_init_params params = {
.mode = QED_CHAIN_MODE_PBL,
.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE,
.cnt_type = QED_CHAIN_CNT_TYPE_U16,
.num_elems = edev->q_num_tx_buffers,
.elem_size = sizeof(union eth_tx_bd_types),
};
int size, rc;
txq->num_tx_buffers = edev->q_num_tx_buffers;
@ -1549,13 +1556,7 @@ static int qede_alloc_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq)
goto err;
}
rc = edev->ops->common->chain_alloc(edev->cdev,
QED_CHAIN_USE_TO_CONSUME_PRODUCE,
QED_CHAIN_MODE_PBL,
QED_CHAIN_CNT_TYPE_U16,
txq->num_tx_buffers,
sizeof(*p_virt),
&txq->tx_pbl, NULL);
rc = edev->ops->common->chain_alloc(edev->cdev, &txq->tx_pbl, &params);
if (rc)
goto err;

21
include/linux/qed/qed_chain.h
View File

@ -54,11 +54,6 @@ struct qed_chain_pbl_u32 {
u32 cons_page_idx;
};
struct qed_chain_ext_pbl {
dma_addr_t p_pbl_phys;
void *p_pbl_virt;
};
struct qed_chain_u16 {
/* Cyclic index of next element to produce/consme */
u16 prod_idx;
@ -119,7 +114,7 @@ struct qed_chain {
u16 usable_per_page;
u8 elem_unusable;
u8 cnt_type;
enum qed_chain_cnt_type cnt_type;
/* Slowpath of the chain - required for initialization and destruction,
* but isn't involved in regular functionality.
@ -142,11 +137,23 @@ struct qed_chain {
/* Total number of elements [for entire chain] */
u32 size;
u8 intended_use;
enum qed_chain_use_mode intended_use;
bool b_external_pbl;
};
struct qed_chain_init_params {
enum qed_chain_mode mode;
enum qed_chain_use_mode intended_use;
enum qed_chain_cnt_type cnt_type;
u32 num_elems;
size_t elem_size;
void *ext_pbl_virt;
dma_addr_t ext_pbl_phys;
};
#define QED_CHAIN_PAGE_SIZE 0x1000
#define ELEMS_PER_PAGE(elem_size) \

9
include/linux/qed/qed_if.h
View File

@ -948,13 +948,8 @@ struct qed_common_ops {
u8 dp_level);
int (*chain_alloc)(struct qed_dev *cdev,
enum qed_chain_use_mode intended_use,
enum qed_chain_mode mode,
enum qed_chain_cnt_type cnt_type,
u32 num_elems,
size_t elem_size,
struct qed_chain *p_chain,
struct qed_chain_ext_pbl *ext_pbl);
struct qed_chain *chain,
struct qed_chain_init_params *params);
void (*chain_free)(struct qed_dev *cdev,
struct qed_chain *p_chain);