mirror of
https://github.com/edk2-porting/linux-next.git
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qed: PD,PKEY and CQ verb support
Add support for the configurations of the protection domain and completion queues. Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ram Amrani
David S. Miller
parent
51ff17251c
commit
c295f86e60
@ -663,6 +663,22 @@ int qed_rdma_add_user(void *rdma_cxt,
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return rc;
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}
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struct qed_rdma_port *qed_rdma_query_port(void *rdma_cxt)
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{
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struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
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struct qed_rdma_port *p_port = p_hwfn->p_rdma_info->port;
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "RDMA Query port\n");
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/* Link may have changed */
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p_port->port_state = p_hwfn->mcp_info->link_output.link_up ?
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QED_RDMA_PORT_UP : QED_RDMA_PORT_DOWN;
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p_port->link_speed = p_hwfn->mcp_info->link_output.speed;
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return p_port;
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}
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struct qed_rdma_device *qed_rdma_query_device(void *rdma_cxt)
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{
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struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
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@ -788,6 +804,309 @@ static int qed_rdma_get_int(struct qed_dev *cdev, struct qed_int_info *info)
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return 0;
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}
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int qed_rdma_alloc_pd(void *rdma_cxt, u16 *pd)
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{
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struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
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u32 returned_id;
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int rc;
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc PD\n");
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/* Allocates an unused protection domain */
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spin_lock_bh(&p_hwfn->p_rdma_info->lock);
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rc = qed_rdma_bmap_alloc_id(p_hwfn,
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&p_hwfn->p_rdma_info->pd_map, &returned_id);
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spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
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*pd = (u16)returned_id;
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc PD - done, rc = %d\n", rc);
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return rc;
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}
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void qed_rdma_free_pd(void *rdma_cxt, u16 pd)
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{
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struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "pd = %08x\n", pd);
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/* Returns a previously allocated protection domain for reuse */
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spin_lock_bh(&p_hwfn->p_rdma_info->lock);
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qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->pd_map, pd);
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spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
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}
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static enum qed_rdma_toggle_bit
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qed_rdma_toggle_bit_create_resize_cq(struct qed_hwfn *p_hwfn, u16 icid)
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{
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struct qed_rdma_info *p_info = p_hwfn->p_rdma_info;
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enum qed_rdma_toggle_bit toggle_bit;
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u32 bmap_id;
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", icid);
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/* the function toggle the bit that is related to a given icid
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* and returns the new toggle bit's value
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*/
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bmap_id = icid - qed_cxt_get_proto_cid_start(p_hwfn, p_info->proto);
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spin_lock_bh(&p_info->lock);
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toggle_bit = !test_and_change_bit(bmap_id,
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p_info->toggle_bits.bitmap);
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spin_unlock_bh(&p_info->lock);
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QED_RDMA_TOGGLE_BIT_= %d\n",
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toggle_bit);
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return toggle_bit;
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}
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int qed_rdma_create_cq(void *rdma_cxt,
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struct qed_rdma_create_cq_in_params *params, u16 *icid)
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{
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struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
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struct qed_rdma_info *p_info = p_hwfn->p_rdma_info;
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struct rdma_create_cq_ramrod_data *p_ramrod;
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enum qed_rdma_toggle_bit toggle_bit;
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struct qed_sp_init_data init_data;
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struct qed_spq_entry *p_ent;
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u32 returned_id, start_cid;
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int rc;
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "cq_handle = %08x%08x\n",
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params->cq_handle_hi, params->cq_handle_lo);
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/* Allocate icid */
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spin_lock_bh(&p_info->lock);
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rc = qed_rdma_bmap_alloc_id(p_hwfn,
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&p_info->cq_map, &returned_id);
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spin_unlock_bh(&p_info->lock);
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if (rc) {
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DP_NOTICE(p_hwfn, "Can't create CQ, rc = %d\n", rc);
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return rc;
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}
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start_cid = qed_cxt_get_proto_cid_start(p_hwfn,
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p_info->proto);
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*icid = returned_id + start_cid;
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/* Check if icid requires a page allocation */
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rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, QED_ELEM_CXT, *icid);
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if (rc)
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goto err;
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/* Get SPQ entry */
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memset(&init_data, 0, sizeof(init_data));
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init_data.cid = *icid;
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init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
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init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
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/* Send create CQ ramrod */
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rc = qed_sp_init_request(p_hwfn, &p_ent,
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RDMA_RAMROD_CREATE_CQ,
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p_info->proto, &init_data);
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if (rc)
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goto err;
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p_ramrod = &p_ent->ramrod.rdma_create_cq;
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p_ramrod->cq_handle.hi = cpu_to_le32(params->cq_handle_hi);
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p_ramrod->cq_handle.lo = cpu_to_le32(params->cq_handle_lo);
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p_ramrod->dpi = cpu_to_le16(params->dpi);
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p_ramrod->is_two_level_pbl = params->pbl_two_level;
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p_ramrod->max_cqes = cpu_to_le32(params->cq_size);
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DMA_REGPAIR_LE(p_ramrod->pbl_addr, params->pbl_ptr);
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p_ramrod->pbl_num_pages = cpu_to_le16(params->pbl_num_pages);
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p_ramrod->cnq_id = (u8)RESC_START(p_hwfn, QED_RDMA_CNQ_RAM) +
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params->cnq_id;
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p_ramrod->int_timeout = params->int_timeout;
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/* toggle the bit for every resize or create cq for a given icid */
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toggle_bit = qed_rdma_toggle_bit_create_resize_cq(p_hwfn, *icid);
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p_ramrod->toggle_bit = toggle_bit;
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rc = qed_spq_post(p_hwfn, p_ent, NULL);
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if (rc) {
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/* restore toggle bit */
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qed_rdma_toggle_bit_create_resize_cq(p_hwfn, *icid);
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goto err;
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}
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Created CQ, rc = %d\n", rc);
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return rc;
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err:
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/* release allocated icid */
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qed_bmap_release_id(p_hwfn, &p_info->cq_map, returned_id);
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DP_NOTICE(p_hwfn, "Create CQ failed, rc = %d\n", rc);
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return rc;
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}
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int qed_rdma_resize_cq(void *rdma_cxt,
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struct qed_rdma_resize_cq_in_params *in_params,
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struct qed_rdma_resize_cq_out_params *out_params)
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{
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struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
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struct rdma_resize_cq_output_params *p_ramrod_res;
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struct rdma_resize_cq_ramrod_data *p_ramrod;
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enum qed_rdma_toggle_bit toggle_bit;
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struct qed_sp_init_data init_data;
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struct qed_spq_entry *p_ent;
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dma_addr_t ramrod_res_phys;
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u8 fw_return_code;
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int rc = -ENOMEM;
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", in_params->icid);
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p_ramrod_res =
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(struct rdma_resize_cq_output_params *)
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dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
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sizeof(struct rdma_resize_cq_output_params),
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&ramrod_res_phys, GFP_KERNEL);
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if (!p_ramrod_res) {
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DP_NOTICE(p_hwfn,
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"qed resize cq failed: cannot allocate memory (ramrod)\n");
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return rc;
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}
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/* Get SPQ entry */
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memset(&init_data, 0, sizeof(init_data));
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init_data.cid = in_params->icid;
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init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
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init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
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rc = qed_sp_init_request(p_hwfn, &p_ent,
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RDMA_RAMROD_RESIZE_CQ,
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p_hwfn->p_rdma_info->proto, &init_data);
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if (rc)
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goto err;
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p_ramrod = &p_ent->ramrod.rdma_resize_cq;
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p_ramrod->flags = 0;
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/* toggle the bit for every resize or create cq for a given icid */
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toggle_bit = qed_rdma_toggle_bit_create_resize_cq(p_hwfn,
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in_params->icid);
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SET_FIELD(p_ramrod->flags,
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RDMA_RESIZE_CQ_RAMROD_DATA_TOGGLE_BIT, toggle_bit);
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SET_FIELD(p_ramrod->flags,
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RDMA_RESIZE_CQ_RAMROD_DATA_IS_TWO_LEVEL_PBL,
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in_params->pbl_two_level);
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p_ramrod->pbl_log_page_size = in_params->pbl_page_size_log - 12;
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p_ramrod->pbl_num_pages = cpu_to_le16(in_params->pbl_num_pages);
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p_ramrod->max_cqes = cpu_to_le32(in_params->cq_size);
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DMA_REGPAIR_LE(p_ramrod->pbl_addr, in_params->pbl_ptr);
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DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
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rc = qed_spq_post(p_hwfn, p_ent, &fw_return_code);
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if (rc)
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goto err;
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if (fw_return_code != RDMA_RETURN_OK) {
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DP_NOTICE(p_hwfn, "fw_return_code = %d\n", fw_return_code);
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rc = -EINVAL;
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goto err;
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}
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out_params->prod = le32_to_cpu(p_ramrod_res->old_cq_prod);
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out_params->cons = le32_to_cpu(p_ramrod_res->old_cq_cons);
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dma_free_coherent(&p_hwfn->cdev->pdev->dev,
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sizeof(struct rdma_resize_cq_output_params),
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p_ramrod_res, ramrod_res_phys);
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Resized CQ, rc = %d\n", rc);
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return rc;
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err: dma_free_coherent(&p_hwfn->cdev->pdev->dev,
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sizeof(struct rdma_resize_cq_output_params),
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p_ramrod_res, ramrod_res_phys);
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DP_NOTICE(p_hwfn, "Resized CQ, Failed - rc = %d\n", rc);
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return rc;
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}
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int qed_rdma_destroy_cq(void *rdma_cxt,
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struct qed_rdma_destroy_cq_in_params *in_params,
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struct qed_rdma_destroy_cq_out_params *out_params)
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{
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struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
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struct rdma_destroy_cq_output_params *p_ramrod_res;
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struct rdma_destroy_cq_ramrod_data *p_ramrod;
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struct qed_sp_init_data init_data;
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struct qed_spq_entry *p_ent;
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dma_addr_t ramrod_res_phys;
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int rc = -ENOMEM;
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", in_params->icid);
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p_ramrod_res =
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(struct rdma_destroy_cq_output_params *)
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dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
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sizeof(struct rdma_destroy_cq_output_params),
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&ramrod_res_phys, GFP_KERNEL);
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if (!p_ramrod_res) {
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DP_NOTICE(p_hwfn,
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"qed destroy cq failed: cannot allocate memory (ramrod)\n");
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return rc;
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}
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/* Get SPQ entry */
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memset(&init_data, 0, sizeof(init_data));
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init_data.cid = in_params->icid;
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init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
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init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
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/* Send destroy CQ ramrod */
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rc = qed_sp_init_request(p_hwfn, &p_ent,
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RDMA_RAMROD_DESTROY_CQ,
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p_hwfn->p_rdma_info->proto, &init_data);
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if (rc)
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goto err;
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p_ramrod = &p_ent->ramrod.rdma_destroy_cq;
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DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
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rc = qed_spq_post(p_hwfn, p_ent, NULL);
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if (rc)
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goto err;
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out_params->num_cq_notif = le16_to_cpu(p_ramrod_res->cnq_num);
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dma_free_coherent(&p_hwfn->cdev->pdev->dev,
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sizeof(struct rdma_destroy_cq_output_params),
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p_ramrod_res, ramrod_res_phys);
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/* Free icid */
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spin_lock_bh(&p_hwfn->p_rdma_info->lock);
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qed_bmap_release_id(p_hwfn,
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&p_hwfn->p_rdma_info->cq_map,
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(in_params->icid -
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qed_cxt_get_proto_cid_start(p_hwfn,
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p_hwfn->
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p_rdma_info->proto)));
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spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
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DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Destroyed CQ, rc = %d\n", rc);
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return rc;
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err: dma_free_coherent(&p_hwfn->cdev->pdev->dev,
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sizeof(struct rdma_destroy_cq_output_params),
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p_ramrod_res, ramrod_res_phys);
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return rc;
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}
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static void *qed_rdma_get_rdma_ctx(struct qed_dev *cdev)
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{
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return QED_LEADING_HWFN(cdev);
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@ -871,12 +1190,17 @@ static const struct qed_rdma_ops qed_rdma_ops_pass = {
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.rdma_add_user = &qed_rdma_add_user,
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.rdma_remove_user = &qed_rdma_remove_user,
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.rdma_stop = &qed_rdma_stop,
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.rdma_query_port = &qed_rdma_query_port,
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.rdma_query_device = &qed_rdma_query_device,
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.rdma_get_start_sb = &qed_rdma_get_sb_start,
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.rdma_get_rdma_int = &qed_rdma_get_int,
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.rdma_set_rdma_int = &qed_rdma_set_int,
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.rdma_get_min_cnq_msix = &qed_rdma_get_min_cnq_msix,
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.rdma_cnq_prod_update = &qed_rdma_cnq_prod_update,
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.rdma_alloc_pd = &qed_rdma_alloc_pd,
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.rdma_dealloc_pd = &qed_rdma_free_pd,
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.rdma_create_cq = &qed_rdma_create_cq,
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.rdma_destroy_cq = &qed_rdma_destroy_cq,
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};
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const struct qed_rdma_ops *qed_get_rdma_ops()
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@ -94,6 +94,26 @@ struct qed_rdma_info {
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enum protocol_type proto;
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};
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struct qed_rdma_resize_cq_in_params {
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u16 icid;
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u32 cq_size;
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bool pbl_two_level;
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u64 pbl_ptr;
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u16 pbl_num_pages;
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u8 pbl_page_size_log;
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};
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struct qed_rdma_resize_cq_out_params {
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u32 prod;
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u32 cons;
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};
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struct qed_rdma_resize_cnq_in_params {
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u32 cnq_id;
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u32 pbl_page_size_log;
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u64 pbl_ptr;
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};
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int
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qed_rdma_add_user(void *rdma_cxt,
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struct qed_rdma_add_user_out_params *out_params);
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@ -102,6 +122,7 @@ int qed_rdma_alloc_tid(void *rdma_cxt, u32 *tid);
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int qed_rdma_deregister_tid(void *rdma_cxt, u32 tid);
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void qed_rdma_free_tid(void *rdma_cxt, u32 tid);
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struct qed_rdma_device *qed_rdma_query_device(void *rdma_cxt);
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struct qed_rdma_port *qed_rdma_query_port(void *rdma_cxt);
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int
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qed_rdma_register_tid(void *rdma_cxt,
|
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struct qed_rdma_register_tid_in_params *params);
|
||||
|
||||
@ -263,6 +263,19 @@ struct qed_rdma_register_tid_in_params {
|
||||
u64 dif_runt_addr;
|
||||
};
|
||||
|
||||
struct qed_rdma_create_cq_in_params {
|
||||
u32 cq_handle_lo;
|
||||
u32 cq_handle_hi;
|
||||
u32 cq_size;
|
||||
u16 dpi;
|
||||
bool pbl_two_level;
|
||||
u64 pbl_ptr;
|
||||
u16 pbl_num_pages;
|
||||
u8 pbl_page_size_log;
|
||||
u8 cnq_id;
|
||||
u16 int_timeout;
|
||||
};
|
||||
|
||||
struct qed_rdma_create_srq_in_params {
|
||||
u64 pbl_base_addr;
|
||||
u64 prod_pair_addr;
|
||||
@ -271,6 +284,14 @@ struct qed_rdma_create_srq_in_params {
|
||||
u16 page_size;
|
||||
};
|
||||
|
||||
struct qed_rdma_destroy_cq_in_params {
|
||||
u16 icid;
|
||||
};
|
||||
|
||||
struct qed_rdma_destroy_cq_out_params {
|
||||
u16 num_cq_notif;
|
||||
};
|
||||
|
||||
struct qed_rdma_create_srq_out_params {
|
||||
u16 srq_id;
|
||||
};
|
||||
@ -332,12 +353,21 @@ struct qed_rdma_ops {
|
||||
void (*rdma_remove_user)(void *rdma_cxt, u16 dpi);
|
||||
int (*rdma_stop)(void *rdma_cxt);
|
||||
struct qed_rdma_device* (*rdma_query_device)(void *rdma_cxt);
|
||||
struct qed_rdma_port* (*rdma_query_port)(void *rdma_cxt);
|
||||
int (*rdma_get_start_sb)(struct qed_dev *cdev);
|
||||
int (*rdma_get_min_cnq_msix)(struct qed_dev *cdev);
|
||||
void (*rdma_cnq_prod_update)(void *rdma_cxt, u8 cnq_index, u16 prod);
|
||||
int (*rdma_get_rdma_int)(struct qed_dev *cdev,
|
||||
struct qed_int_info *info);
|
||||
int (*rdma_set_rdma_int)(struct qed_dev *cdev, u16 cnt);
|
||||
int (*rdma_alloc_pd)(void *rdma_cxt, u16 *pd);
|
||||
void (*rdma_dealloc_pd)(void *rdma_cxt, u16 pd);
|
||||
int (*rdma_create_cq)(void *rdma_cxt,
|
||||
struct qed_rdma_create_cq_in_params *params,
|
||||
u16 *icid);
|
||||
int (*rdma_destroy_cq)(void *rdma_cxt,
|
||||
struct qed_rdma_destroy_cq_in_params *iparams,
|
||||
struct qed_rdma_destroy_cq_out_params *oparams);
|
||||
};
|
||||
|
||||
const struct qed_rdma_ops *qed_get_rdma_ops(void);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user