#include "mana_ib.h"
static int mana_ib_cfg_vport_steering(struct mana_ib_dev *dev,
struct net_device *ndev,
mana_handle_t default_rxobj,
mana_handle_t ind_table[],
u32 log_ind_tbl_size, u32 rx_hash_key_len,
u8 *rx_hash_key)
{
struct mana_port_context *mpc = netdev_priv(ndev);
struct mana_cfg_rx_steer_req_v2 *req;
struct mana_cfg_rx_steer_resp resp = {};
struct gdma_context *gc;
u32 req_buf_size;
int i, err;
gc = mdev_to_gc(dev);
req_buf_size = struct_size(req, indir_tab, MANA_INDIRECT_TABLE_DEF_SIZE);
req = kzalloc(req_buf_size, GFP_KERNEL);
if (!req)
return -ENOMEM;
mana_gd_init_req_hdr(&req->hdr, MANA_CONFIG_VPORT_RX, req_buf_size,
sizeof(resp));
req->hdr.req.msg_version = GDMA_MESSAGE_V2;
req->vport = mpc->port_handle;
req->rx_enable = 1;
req->update_default_rxobj = 1;
req->default_rxobj = default_rxobj;
req->hdr.dev_id = gc->mana.dev_id;
if (log_ind_tbl_size)
req->rss_enable = true;
req->num_indir_entries = MANA_INDIRECT_TABLE_DEF_SIZE;
req->indir_tab_offset = offsetof(struct mana_cfg_rx_steer_req_v2,
indir_tab);
req->update_indir_tab = true;
req->cqe_coalescing_enable = 1;
ibdev_dbg(&dev->ib_dev, "ind table size %u\n", 1 << log_ind_tbl_size);
for (i = 0; i < MANA_INDIRECT_TABLE_DEF_SIZE; i++) {
req->indir_tab[i] = ind_table[i % (1 << log_ind_tbl_size)];
ibdev_dbg(&dev->ib_dev, "index %u handle 0x%llx\n", i,
req->indir_tab[i]);
}
req->update_hashkey = true;
if (rx_hash_key_len)
memcpy(req->hashkey, rx_hash_key, rx_hash_key_len);
else
netdev_rss_key_fill(req->hashkey, MANA_HASH_KEY_SIZE);
ibdev_dbg(&dev->ib_dev, "vport handle %llu default_rxobj 0x%llx\n",
req->vport, default_rxobj);
err = mana_gd_send_request(gc, req_buf_size, req, sizeof(resp), &resp);
if (err) {
netdev_err(ndev, "Failed to configure vPort RX: %d\n", err);
goto out;
}
if (resp.hdr.status) {
netdev_err(ndev, "vPort RX configuration failed: 0x%x\n",
resp.hdr.status);
err = -EPROTO;
goto out;
}
netdev_info(ndev, "Configured steering vPort %llu log_entries %u\n",
mpc->port_handle, log_ind_tbl_size);
out:
kfree(req);
return err;
}
static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
struct ib_qp_init_attr *attr,
struct ib_udata *udata)
{
struct mana_ib_qp *qp = container_of(ibqp, struct mana_ib_qp, ibqp);
struct mana_ib_dev *mdev =
container_of(pd->device, struct mana_ib_dev, ib_dev);
struct ib_rwq_ind_table *ind_tbl = attr->rwq_ind_tbl;
struct mana_ib_create_qp_rss_resp resp = {};
struct mana_ib_create_qp_rss ucmd = {};
mana_handle_t *mana_ind_table;
struct mana_port_context *mpc;
unsigned int ind_tbl_size;
struct net_device *ndev;
struct mana_ib_cq *cq;
struct mana_ib_wq *wq;
struct mana_eq *eq;
struct ib_cq *ibcq;
struct ib_wq *ibwq;
int i = 0;
u32 port;
int ret;
if (!udata || udata->inlen < sizeof(ucmd))
return -EINVAL;
ret = ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen));
if (ret) {
ibdev_dbg(&mdev->ib_dev,
"Failed copy from udata for create rss-qp, err %d\n",
ret);
return ret;
}
if (attr->cap.max_recv_wr > mdev->adapter_caps.max_qp_wr) {
ibdev_dbg(&mdev->ib_dev,
"Requested max_recv_wr %d exceeding limit\n",
attr->cap.max_recv_wr);
return -EINVAL;
}
if (attr->cap.max_recv_sge > MAX_RX_WQE_SGL_ENTRIES) {
ibdev_dbg(&mdev->ib_dev,
"Requested max_recv_sge %d exceeding limit\n",
attr->cap.max_recv_sge);
return -EINVAL;
}
ind_tbl_size = 1 << ind_tbl->log_ind_tbl_size;
if (ind_tbl_size > MANA_INDIRECT_TABLE_DEF_SIZE) {
ibdev_dbg(&mdev->ib_dev,
"Indirect table size %d exceeding limit\n",
ind_tbl_size);
return -EINVAL;
}
if (ucmd.rx_hash_function != MANA_IB_RX_HASH_FUNC_TOEPLITZ) {
ibdev_dbg(&mdev->ib_dev,
"RX Hash function is not supported, %d\n",
ucmd.rx_hash_function);
return -EINVAL;
}
port = ucmd.port;
ndev = mana_ib_get_netdev(pd->device, port);
if (!ndev) {
ibdev_dbg(&mdev->ib_dev, "Invalid port %u in creating qp\n",
port);
return -EINVAL;
}
mpc = netdev_priv(ndev);
ibdev_dbg(&mdev->ib_dev, "rx_hash_function %d port %d\n",
ucmd.rx_hash_function, port);
mana_ind_table = kzalloc_objs(mana_handle_t, ind_tbl_size);
if (!mana_ind_table) {
ret = -ENOMEM;
goto fail;
}
qp->port = port;
for (i = 0; i < ind_tbl_size; i++) {
struct mana_obj_spec wq_spec = {};
struct mana_obj_spec cq_spec = {};
ibwq = ind_tbl->ind_tbl[i];
wq = container_of(ibwq, struct mana_ib_wq, ibwq);
ibcq = ibwq->cq;
cq = container_of(ibcq, struct mana_ib_cq, ibcq);
wq_spec.gdma_region = wq->queue.gdma_region;
wq_spec.queue_size = wq->wq_buf_size;
cq_spec.gdma_region = cq->queue.gdma_region;
cq_spec.queue_size = cq->cqe * COMP_ENTRY_SIZE;
cq_spec.modr_ctx_id = 0;
eq = &mpc->ac->eqs[cq->comp_vector];
cq_spec.attached_eq = eq->eq->id;
ret = mana_create_wq_obj(mpc, mpc->port_handle, GDMA_RQ,
&wq_spec, &cq_spec, &wq->rx_object);
if (ret) {
i--;
goto fail;
}
wq->queue.gdma_region = GDMA_INVALID_DMA_REGION;
cq->queue.gdma_region = GDMA_INVALID_DMA_REGION;
wq->queue.id = wq_spec.queue_index;
cq->queue.id = cq_spec.queue_index;
ibdev_dbg(&mdev->ib_dev,
"rx_object 0x%llx wq id %llu cq id %llu\n",
wq->rx_object, wq->queue.id, cq->queue.id);
resp.entries[i].cqid = cq->queue.id;
resp.entries[i].wqid = wq->queue.id;
mana_ind_table[i] = wq->rx_object;
ret = mana_ib_install_cq_cb(mdev, cq);
if (ret)
goto fail;
}
resp.num_entries = i;
ret = mana_ib_cfg_vport_steering(mdev, ndev, wq->rx_object,
mana_ind_table,
ind_tbl->log_ind_tbl_size,
ucmd.rx_hash_key_len,
ucmd.rx_hash_key);
if (ret)
goto fail;
ret = ib_copy_to_udata(udata, &resp, sizeof(resp));
if (ret) {
ibdev_dbg(&mdev->ib_dev,
"Failed to copy to udata create rss-qp, %d\n",
ret);
goto fail;
}
kfree(mana_ind_table);
return 0;
fail:
while (i-- > 0) {
ibwq = ind_tbl->ind_tbl[i];
ibcq = ibwq->cq;
wq = container_of(ibwq, struct mana_ib_wq, ibwq);
cq = container_of(ibcq, struct mana_ib_cq, ibcq);
mana_ib_remove_cq_cb(mdev, cq);
mana_destroy_wq_obj(mpc, GDMA_RQ, wq->rx_object);
}
kfree(mana_ind_table);
return ret;
}
static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
struct ib_qp_init_attr *attr,
struct ib_udata *udata)
{
struct mana_ib_pd *pd = container_of(ibpd, struct mana_ib_pd, ibpd);
struct mana_ib_qp *qp = container_of(ibqp, struct mana_ib_qp, ibqp);
struct mana_ib_dev *mdev =
container_of(ibpd->device, struct mana_ib_dev, ib_dev);
struct mana_ib_cq *send_cq =
container_of(attr->send_cq, struct mana_ib_cq, ibcq);
struct mana_ib_ucontext *mana_ucontext =
rdma_udata_to_drv_context(udata, struct mana_ib_ucontext,
ibucontext);
struct mana_ib_create_qp_resp resp = {};
struct mana_ib_create_qp ucmd = {};
struct mana_obj_spec wq_spec = {};
struct mana_obj_spec cq_spec = {};
struct mana_port_context *mpc;
struct net_device *ndev;
struct mana_eq *eq;
int eq_vec;
u32 port;
int err;
if (!mana_ucontext || udata->inlen < sizeof(ucmd))
return -EINVAL;
err = ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen));
if (err) {
ibdev_dbg(&mdev->ib_dev,
"Failed to copy from udata create qp-raw, %d\n", err);
return err;
}
if (attr->cap.max_send_wr > mdev->adapter_caps.max_qp_wr) {
ibdev_dbg(&mdev->ib_dev,
"Requested max_send_wr %d exceeding limit\n",
attr->cap.max_send_wr);
return -EINVAL;
}
if (attr->cap.max_send_sge > MAX_TX_WQE_SGL_ENTRIES) {
ibdev_dbg(&mdev->ib_dev,
"Requested max_send_sge %d exceeding limit\n",
attr->cap.max_send_sge);
return -EINVAL;
}
port = ucmd.port;
ndev = mana_ib_get_netdev(ibpd->device, port);
if (!ndev) {
ibdev_dbg(&mdev->ib_dev, "Invalid port %u in creating qp\n",
port);
return -EINVAL;
}
mpc = netdev_priv(ndev);
ibdev_dbg(&mdev->ib_dev, "port %u ndev %p mpc %p\n", port, ndev, mpc);
err = mana_ib_cfg_vport(mdev, port, pd, mana_ucontext->doorbell);
if (err)
return -ENODEV;
qp->port = port;
ibdev_dbg(&mdev->ib_dev, "ucmd sq_buf_addr 0x%llx port %u\n",
ucmd.sq_buf_addr, ucmd.port);
err = mana_ib_create_queue(mdev, ucmd.sq_buf_addr, ucmd.sq_buf_size, &qp->raw_sq);
if (err) {
ibdev_dbg(&mdev->ib_dev,
"Failed to create queue for create qp-raw, err %d\n", err);
goto err_free_vport;
}
wq_spec.gdma_region = qp->raw_sq.gdma_region;
wq_spec.queue_size = ucmd.sq_buf_size;
cq_spec.gdma_region = send_cq->queue.gdma_region;
cq_spec.queue_size = send_cq->cqe * COMP_ENTRY_SIZE;
cq_spec.modr_ctx_id = 0;
eq_vec = send_cq->comp_vector;
eq = &mpc->ac->eqs[eq_vec];
cq_spec.attached_eq = eq->eq->id;
err = mana_create_wq_obj(mpc, mpc->port_handle, GDMA_SQ, &wq_spec,
&cq_spec, &qp->qp_handle);
if (err) {
ibdev_dbg(&mdev->ib_dev,
"Failed to create wq for create raw-qp, err %d\n",
err);
goto err_destroy_queue;
}
qp->raw_sq.gdma_region = GDMA_INVALID_DMA_REGION;
send_cq->queue.gdma_region = GDMA_INVALID_DMA_REGION;
qp->raw_sq.id = wq_spec.queue_index;
send_cq->queue.id = cq_spec.queue_index;
err = mana_ib_install_cq_cb(mdev, send_cq);
if (err)
goto err_destroy_wq_obj;
ibdev_dbg(&mdev->ib_dev,
"qp->qp_handle 0x%llx sq id %llu cq id %llu\n",
qp->qp_handle, qp->raw_sq.id, send_cq->queue.id);
resp.sqid = qp->raw_sq.id;
resp.cqid = send_cq->queue.id;
resp.tx_vp_offset = pd->tx_vp_offset;
err = ib_copy_to_udata(udata, &resp, sizeof(resp));
if (err) {
ibdev_dbg(&mdev->ib_dev,
"Failed copy udata for create qp-raw, %d\n",
err);
goto err_remove_cq_cb;
}
return 0;
err_remove_cq_cb:
mana_ib_remove_cq_cb(mdev, send_cq);
err_destroy_wq_obj:
mana_destroy_wq_obj(mpc, GDMA_SQ, qp->qp_handle);
err_destroy_queue:
mana_ib_destroy_queue(mdev, &qp->raw_sq);
err_free_vport:
mana_ib_uncfg_vport(mdev, pd, port);
return err;
}
static u32 mana_ib_wqe_size(u32 sge, u32 oob_size)
{
u32 wqe_size = sge * sizeof(struct gdma_sge) + sizeof(struct gdma_wqe) + oob_size;
return ALIGN(wqe_size, GDMA_WQE_BU_SIZE);
}
static u32 mana_ib_queue_size(struct ib_qp_init_attr *attr, u32 queue_type)
{
u32 queue_size;
switch (attr->qp_type) {
case IB_QPT_UD:
case IB_QPT_GSI:
if (queue_type == MANA_UD_SEND_QUEUE)
queue_size = attr->cap.max_send_wr *
mana_ib_wqe_size(attr->cap.max_send_sge, INLINE_OOB_LARGE_SIZE);
else
queue_size = attr->cap.max_recv_wr *
mana_ib_wqe_size(attr->cap.max_recv_sge, INLINE_OOB_SMALL_SIZE);
break;
default:
return 0;
}
return MANA_PAGE_ALIGN(roundup_pow_of_two(queue_size));
}
static enum gdma_queue_type mana_ib_queue_type(struct ib_qp_init_attr *attr, u32 queue_type)
{
enum gdma_queue_type type;
switch (attr->qp_type) {
case IB_QPT_UD:
case IB_QPT_GSI:
if (queue_type == MANA_UD_SEND_QUEUE)
type = GDMA_SQ;
else
type = GDMA_RQ;
break;
default:
type = GDMA_INVALID_QUEUE;
}
return type;
}
static int mana_table_store_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
{
return xa_insert_irq(&mdev->qp_table_wq, qp->ibqp.qp_num, qp,
GFP_KERNEL);
}
static void mana_table_remove_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
{
xa_erase_irq(&mdev->qp_table_wq, qp->ibqp.qp_num);
}
static int mana_table_store_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
{
u32 qids = qp->ud_qp.queues[MANA_UD_SEND_QUEUE].id | MANA_SENDQ_MASK;
u32 qidr = qp->ud_qp.queues[MANA_UD_RECV_QUEUE].id;
int err;
err = xa_insert_irq(&mdev->qp_table_wq, qids, qp, GFP_KERNEL);
if (err)
return err;
err = xa_insert_irq(&mdev->qp_table_wq, qidr, qp, GFP_KERNEL);
if (err)
goto remove_sq;
return 0;
remove_sq:
xa_erase_irq(&mdev->qp_table_wq, qids);
return err;
}
static void mana_table_remove_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
{
u32 qids = qp->ud_qp.queues[MANA_UD_SEND_QUEUE].id | MANA_SENDQ_MASK;
u32 qidr = qp->ud_qp.queues[MANA_UD_RECV_QUEUE].id;
xa_erase_irq(&mdev->qp_table_wq, qids);
xa_erase_irq(&mdev->qp_table_wq, qidr);
}
static int mana_table_store_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
{
refcount_set(&qp->refcount, 1);
init_completion(&qp->free);
switch (qp->ibqp.qp_type) {
case IB_QPT_RC:
return mana_table_store_rc_qp(mdev, qp);
case IB_QPT_UD:
case IB_QPT_GSI:
return mana_table_store_ud_qp(mdev, qp);
default:
ibdev_dbg(&mdev->ib_dev, "Unknown QP type for storing in mana table, %d\n",
qp->ibqp.qp_type);
}
return -EINVAL;
}
static void mana_table_remove_qp(struct mana_ib_dev *mdev,
struct mana_ib_qp *qp)
{
switch (qp->ibqp.qp_type) {
case IB_QPT_RC:
mana_table_remove_rc_qp(mdev, qp);
break;
case IB_QPT_UD:
case IB_QPT_GSI:
mana_table_remove_ud_qp(mdev, qp);
break;
default:
ibdev_dbg(&mdev->ib_dev, "Unknown QP type for removing from mana table, %d\n",
qp->ibqp.qp_type);
return;
}
mana_put_qp_ref(qp);
wait_for_completion(&qp->free);
}
static int mana_ib_create_rc_qp(struct ib_qp *ibqp, struct ib_pd *ibpd,
struct ib_qp_init_attr *attr, struct ib_udata *udata)
{
struct mana_ib_dev *mdev = container_of(ibpd->device, struct mana_ib_dev, ib_dev);
struct mana_ib_qp *qp = container_of(ibqp, struct mana_ib_qp, ibqp);
struct mana_ib_create_rc_qp_resp resp = {};
struct mana_ib_ucontext *mana_ucontext;
struct mana_ib_create_rc_qp ucmd = {};
int i, err, j;
u64 flags = 0;
u32 doorbell;
if (!udata || udata->inlen < sizeof(ucmd))
return -EINVAL;
mana_ucontext = rdma_udata_to_drv_context(udata, struct mana_ib_ucontext, ibucontext);
doorbell = mana_ucontext->doorbell;
flags = MANA_RC_FLAG_NO_FMR;
err = ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen));
if (err) {
ibdev_dbg(&mdev->ib_dev, "Failed to copy from udata, %d\n", err);
return err;
}
for (i = 0, j = 0; i < MANA_RC_QUEUE_TYPE_MAX; ++i) {
if (i == MANA_RC_SEND_QUEUE_FMR) {
qp->rc_qp.queues[i].id = INVALID_QUEUE_ID;
qp->rc_qp.queues[i].gdma_region = GDMA_INVALID_DMA_REGION;
continue;
}
err = mana_ib_create_queue(mdev, ucmd.queue_buf[j], ucmd.queue_size[j],
&qp->rc_qp.queues[i]);
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to create queue %d, err %d\n", i, err);
goto destroy_queues;
}
j++;
}
err = mana_ib_gd_create_rc_qp(mdev, qp, attr, doorbell, flags);
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to create rc qp %d\n", err);
goto destroy_queues;
}
qp->ibqp.qp_num = qp->rc_qp.queues[MANA_RC_RECV_QUEUE_RESPONDER].id;
qp->port = attr->port_num;
if (udata) {
for (i = 0, j = 0; i < MANA_RC_QUEUE_TYPE_MAX; ++i) {
if (i == MANA_RC_SEND_QUEUE_FMR)
continue;
resp.queue_id[j] = qp->rc_qp.queues[i].id;
j++;
}
err = ib_copy_to_udata(udata, &resp, min(sizeof(resp), udata->outlen));
if (err) {
ibdev_dbg(&mdev->ib_dev, "Failed to copy to udata, %d\n", err);
goto destroy_qp;
}
}
err = mana_table_store_qp(mdev, qp);
if (err)
goto destroy_qp;
return 0;
destroy_qp:
mana_ib_gd_destroy_rc_qp(mdev, qp);
destroy_queues:
while (i-- > 0)
mana_ib_destroy_queue(mdev, &qp->rc_qp.queues[i]);
return err;
}
static void mana_add_qp_to_cqs(struct mana_ib_qp *qp)
{
struct mana_ib_cq *send_cq = container_of(qp->ibqp.send_cq, struct mana_ib_cq, ibcq);
struct mana_ib_cq *recv_cq = container_of(qp->ibqp.recv_cq, struct mana_ib_cq, ibcq);
unsigned long flags;
spin_lock_irqsave(&send_cq->cq_lock, flags);
list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp);
spin_unlock_irqrestore(&send_cq->cq_lock, flags);
spin_lock_irqsave(&recv_cq->cq_lock, flags);
list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp);
spin_unlock_irqrestore(&recv_cq->cq_lock, flags);
}
static void mana_remove_qp_from_cqs(struct mana_ib_qp *qp)
{
struct mana_ib_cq *send_cq = container_of(qp->ibqp.send_cq, struct mana_ib_cq, ibcq);
struct mana_ib_cq *recv_cq = container_of(qp->ibqp.recv_cq, struct mana_ib_cq, ibcq);
unsigned long flags;
spin_lock_irqsave(&send_cq->cq_lock, flags);
list_del(&qp->cq_send_list);
spin_unlock_irqrestore(&send_cq->cq_lock, flags);
spin_lock_irqsave(&recv_cq->cq_lock, flags);
list_del(&qp->cq_recv_list);
spin_unlock_irqrestore(&recv_cq->cq_lock, flags);
}
static int mana_ib_create_ud_qp(struct ib_qp *ibqp, struct ib_pd *ibpd,
struct ib_qp_init_attr *attr, struct ib_udata *udata)
{
struct mana_ib_dev *mdev = container_of(ibpd->device, struct mana_ib_dev, ib_dev);
struct mana_ib_qp *qp = container_of(ibqp, struct mana_ib_qp, ibqp);
u32 doorbell, queue_size;
int i, err;
if (udata) {
ibdev_dbg(&mdev->ib_dev, "User-level UD QPs are not supported\n");
return -EOPNOTSUPP;
}
for (i = 0; i < MANA_UD_QUEUE_TYPE_MAX; ++i) {
queue_size = mana_ib_queue_size(attr, i);
err = mana_ib_create_kernel_queue(mdev, queue_size, mana_ib_queue_type(attr, i),
&qp->ud_qp.queues[i]);
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to create queue %d, err %d\n",
i, err);
goto destroy_queues;
}
}
doorbell = mdev->gdma_dev->doorbell;
err = create_shadow_queue(&qp->shadow_rq, attr->cap.max_recv_wr,
sizeof(struct ud_rq_shadow_wqe));
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to create shadow rq err %d\n", err);
goto destroy_queues;
}
err = create_shadow_queue(&qp->shadow_sq, attr->cap.max_send_wr,
sizeof(struct ud_sq_shadow_wqe));
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to create shadow sq err %d\n", err);
goto destroy_shadow_queues;
}
err = mana_ib_gd_create_ud_qp(mdev, qp, attr, doorbell, attr->qp_type);
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to create ud qp %d\n", err);
goto destroy_shadow_queues;
}
qp->ibqp.qp_num = qp->ud_qp.queues[MANA_UD_RECV_QUEUE].id;
qp->port = attr->port_num;
for (i = 0; i < MANA_UD_QUEUE_TYPE_MAX; ++i)
qp->ud_qp.queues[i].kmem->id = qp->ud_qp.queues[i].id;
err = mana_table_store_qp(mdev, qp);
if (err)
goto destroy_qp;
mana_add_qp_to_cqs(qp);
return 0;
destroy_qp:
mana_ib_gd_destroy_ud_qp(mdev, qp);
destroy_shadow_queues:
destroy_shadow_queue(&qp->shadow_rq);
destroy_shadow_queue(&qp->shadow_sq);
destroy_queues:
while (i-- > 0)
mana_ib_destroy_queue(mdev, &qp->ud_qp.queues[i]);
return err;
}
int mana_ib_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attr,
struct ib_udata *udata)
{
switch (attr->qp_type) {
case IB_QPT_RAW_PACKET:
if (attr->rwq_ind_tbl)
return mana_ib_create_qp_rss(ibqp, ibqp->pd, attr,
udata);
return mana_ib_create_qp_raw(ibqp, ibqp->pd, attr, udata);
case IB_QPT_RC:
return mana_ib_create_rc_qp(ibqp, ibqp->pd, attr, udata);
case IB_QPT_UD:
case IB_QPT_GSI:
return mana_ib_create_ud_qp(ibqp, ibqp->pd, attr, udata);
default:
ibdev_dbg(ibqp->device, "Creating QP type %u not supported\n",
attr->qp_type);
}
return -EINVAL;
}
static int mana_ib_gd_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata)
{
struct mana_ib_dev *mdev = container_of(ibqp->device, struct mana_ib_dev, ib_dev);
struct mana_ib_qp *qp = container_of(ibqp, struct mana_ib_qp, ibqp);
struct mana_rnic_set_qp_state_resp resp = {};
struct mana_rnic_set_qp_state_req req = {};
struct gdma_context *gc = mdev_to_gc(mdev);
struct mana_port_context *mpc;
struct net_device *ndev;
int err;
mana_gd_init_req_hdr(&req.hdr, MANA_IB_SET_QP_STATE, sizeof(req), sizeof(resp));
req.hdr.req.msg_version = GDMA_MESSAGE_V3;
req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
req.qp_handle = qp->qp_handle;
req.qp_state = attr->qp_state;
req.attr_mask = attr_mask;
req.path_mtu = attr->path_mtu;
req.rq_psn = attr->rq_psn;
req.sq_psn = attr->sq_psn;
req.dest_qpn = attr->dest_qp_num;
req.max_dest_rd_atomic = attr->max_dest_rd_atomic;
req.retry_cnt = attr->retry_cnt;
req.rnr_retry = attr->rnr_retry;
req.min_rnr_timer = attr->min_rnr_timer;
req.rate_limit = attr->rate_limit;
req.qkey = attr->qkey;
req.local_ack_timeout = attr->timeout;
req.qp_access_flags = attr->qp_access_flags;
req.max_rd_atomic = attr->max_rd_atomic;
if (attr_mask & IB_QP_AV) {
ndev = mana_ib_get_netdev(&mdev->ib_dev, ibqp->port);
if (!ndev) {
ibdev_dbg(&mdev->ib_dev, "Invalid port %u in QP %u\n",
ibqp->port, ibqp->qp_num);
return -EINVAL;
}
mpc = netdev_priv(ndev);
copy_in_reverse(req.ah_attr.src_mac, mpc->mac_addr, ETH_ALEN);
copy_in_reverse(req.ah_attr.dest_mac, attr->ah_attr.roce.dmac, ETH_ALEN);
copy_in_reverse(req.ah_attr.src_addr, attr->ah_attr.grh.sgid_attr->gid.raw,
sizeof(union ib_gid));
copy_in_reverse(req.ah_attr.dest_addr, attr->ah_attr.grh.dgid.raw,
sizeof(union ib_gid));
if (rdma_gid_attr_network_type(attr->ah_attr.grh.sgid_attr) == RDMA_NETWORK_IPV4) {
req.ah_attr.src_addr_type = SGID_TYPE_IPV4;
req.ah_attr.dest_addr_type = SGID_TYPE_IPV4;
} else {
req.ah_attr.src_addr_type = SGID_TYPE_IPV6;
req.ah_attr.dest_addr_type = SGID_TYPE_IPV6;
}
req.ah_attr.dest_port = ROCE_V2_UDP_DPORT;
req.ah_attr.src_port = rdma_get_udp_sport(attr->ah_attr.grh.flow_label,
ibqp->qp_num, attr->dest_qp_num);
req.ah_attr.traffic_class = attr->ah_attr.grh.traffic_class >> 2;
req.ah_attr.hop_limit = attr->ah_attr.grh.hop_limit;
req.ah_attr.flow_label = attr->ah_attr.grh.flow_label;
}
err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
if (err) {
ibdev_err(&mdev->ib_dev, "Failed modify qp err %d", err);
return err;
}
return 0;
}
int mana_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata)
{
switch (ibqp->qp_type) {
case IB_QPT_RC:
case IB_QPT_UD:
case IB_QPT_GSI:
return mana_ib_gd_modify_qp(ibqp, attr, attr_mask, udata);
default:
ibdev_dbg(ibqp->device, "Modify QP type %u not supported", ibqp->qp_type);
return -EOPNOTSUPP;
}
}
static int mana_ib_destroy_qp_rss(struct mana_ib_qp *qp,
struct ib_rwq_ind_table *ind_tbl,
struct ib_udata *udata)
{
struct mana_ib_dev *mdev =
container_of(qp->ibqp.device, struct mana_ib_dev, ib_dev);
struct mana_port_context *mpc;
struct net_device *ndev;
struct mana_ib_wq *wq;
struct ib_wq *ibwq;
int i;
ndev = mana_ib_get_netdev(qp->ibqp.device, qp->port);
mpc = netdev_priv(ndev);
for (i = 0; i < (1 << ind_tbl->log_ind_tbl_size); i++) {
ibwq = ind_tbl->ind_tbl[i];
wq = container_of(ibwq, struct mana_ib_wq, ibwq);
ibdev_dbg(&mdev->ib_dev, "destroying wq->rx_object %llu\n",
wq->rx_object);
mana_destroy_wq_obj(mpc, GDMA_RQ, wq->rx_object);
}
return 0;
}
static int mana_ib_destroy_qp_raw(struct mana_ib_qp *qp, struct ib_udata *udata)
{
struct mana_ib_dev *mdev =
container_of(qp->ibqp.device, struct mana_ib_dev, ib_dev);
struct ib_pd *ibpd = qp->ibqp.pd;
struct mana_port_context *mpc;
struct net_device *ndev;
struct mana_ib_pd *pd;
ndev = mana_ib_get_netdev(qp->ibqp.device, qp->port);
mpc = netdev_priv(ndev);
pd = container_of(ibpd, struct mana_ib_pd, ibpd);
mana_destroy_wq_obj(mpc, GDMA_SQ, qp->qp_handle);
mana_ib_destroy_queue(mdev, &qp->raw_sq);
mana_ib_uncfg_vport(mdev, pd, qp->port);
return 0;
}
static int mana_ib_destroy_rc_qp(struct mana_ib_qp *qp, struct ib_udata *udata)
{
struct mana_ib_dev *mdev =
container_of(qp->ibqp.device, struct mana_ib_dev, ib_dev);
int i;
mana_table_remove_qp(mdev, qp);
mana_ib_gd_destroy_rc_qp(mdev, qp);
for (i = 0; i < MANA_RC_QUEUE_TYPE_MAX; ++i)
mana_ib_destroy_queue(mdev, &qp->rc_qp.queues[i]);
return 0;
}
static int mana_ib_destroy_ud_qp(struct mana_ib_qp *qp, struct ib_udata *udata)
{
struct mana_ib_dev *mdev =
container_of(qp->ibqp.device, struct mana_ib_dev, ib_dev);
int i;
mana_remove_qp_from_cqs(qp);
mana_table_remove_qp(mdev, qp);
destroy_shadow_queue(&qp->shadow_rq);
destroy_shadow_queue(&qp->shadow_sq);
mana_ib_gd_destroy_ud_qp(mdev, qp);
for (i = 0; i < MANA_UD_QUEUE_TYPE_MAX; ++i)
mana_ib_destroy_queue(mdev, &qp->ud_qp.queues[i]);
return 0;
}
int mana_ib_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct mana_ib_qp *qp = container_of(ibqp, struct mana_ib_qp, ibqp);
switch (ibqp->qp_type) {
case IB_QPT_RAW_PACKET:
if (ibqp->rwq_ind_tbl)
return mana_ib_destroy_qp_rss(qp, ibqp->rwq_ind_tbl,
udata);
return mana_ib_destroy_qp_raw(qp, udata);
case IB_QPT_RC:
return mana_ib_destroy_rc_qp(qp, udata);
case IB_QPT_UD:
case IB_QPT_GSI:
return mana_ib_destroy_ud_qp(qp, udata);
default:
ibdev_dbg(ibqp->device, "Unexpected QP type %u\n",
ibqp->qp_type);
}
return -ENOENT;
}
