1// SPDX-License-Identifier: GPL-2.0-only
 2/* Copyright(c) 2023 Intel Corporation */
 3
 4#include <linux/dma-mapping.h>
 5#include <linux/pci.h>
 6
 7#include "adf_admin.h"
 8#include "adf_accel_devices.h"
 9#include "adf_rl_admin.h"
10
11static void
12prep_admin_req_msg(struct rl_sla *sla, dma_addr_t dma_addr,
13		   struct icp_qat_fw_init_admin_sla_config_params *fw_params,
14		   struct icp_qat_fw_init_admin_req *req, bool is_update)
15{
16	req->cmd_id = is_update ? ICP_QAT_FW_RL_UPDATE : ICP_QAT_FW_RL_ADD;
17	req->init_cfg_ptr = dma_addr;
18	req->init_cfg_sz = sizeof(*fw_params);
19	req->node_id = sla->node_id;
20	req->node_type = sla->type;
21	req->rp_count = sla->ring_pairs_cnt;
22	req->svc_type = sla->srv;
23}
24
25static void
26prep_admin_req_params(struct adf_accel_dev *accel_dev, struct rl_sla *sla,
27		      struct icp_qat_fw_init_admin_sla_config_params *fw_params)
28{
29	fw_params->pcie_in_cir =
30		adf_rl_calculate_pci_bw(accel_dev, sla->cir, sla->srv, false);
31	fw_params->pcie_in_pir =
32		adf_rl_calculate_pci_bw(accel_dev, sla->pir, sla->srv, false);
33	fw_params->pcie_out_cir =
34		adf_rl_calculate_pci_bw(accel_dev, sla->cir, sla->srv, true);
35	fw_params->pcie_out_pir =
36		adf_rl_calculate_pci_bw(accel_dev, sla->pir, sla->srv, true);
37
38	fw_params->slice_util_cir =
39		adf_rl_calculate_slice_tokens(accel_dev, sla->cir, sla->srv);
40	fw_params->slice_util_pir =
41		adf_rl_calculate_slice_tokens(accel_dev, sla->pir, sla->srv);
42
43	fw_params->ae_util_cir =
44		adf_rl_calculate_ae_cycles(accel_dev, sla->cir, sla->srv);
45	fw_params->ae_util_pir =
46		adf_rl_calculate_ae_cycles(accel_dev, sla->pir, sla->srv);
47
48	memcpy(fw_params->rp_ids, sla->ring_pairs_ids,
49	       sizeof(sla->ring_pairs_ids));
50}
51
52int adf_rl_send_admin_init_msg(struct adf_accel_dev *accel_dev,
53			       struct rl_slice_cnt *slices_int)
54{
55	struct icp_qat_fw_init_admin_slice_cnt slices_resp = { };
56	int ret;
57
58	ret = adf_send_admin_rl_init(accel_dev, &slices_resp);
59	if (ret)
60		return ret;
61
62	slices_int->dcpr_cnt = slices_resp.dcpr_cnt;
63	slices_int->pke_cnt = slices_resp.pke_cnt;
64	/* For symmetric crypto, slice tokens are relative to the UCS slice */
65	slices_int->cph_cnt = slices_resp.ucs_cnt;
66
67	return 0;
68}
69
70int adf_rl_send_admin_add_update_msg(struct adf_accel_dev *accel_dev,
71				     struct rl_sla *sla, bool is_update)
72{
73	struct icp_qat_fw_init_admin_sla_config_params *fw_params;
74	struct icp_qat_fw_init_admin_req req = { };
75	dma_addr_t dma_addr;
76	int ret;
77
78	fw_params = dma_alloc_coherent(&GET_DEV(accel_dev), sizeof(*fw_params),
79				       &dma_addr, GFP_KERNEL);
80	if (!fw_params)
81		return -ENOMEM;
82
83	prep_admin_req_params(accel_dev, sla, fw_params);
84	prep_admin_req_msg(sla, dma_addr, fw_params, &req, is_update);
85	ret = adf_send_admin_rl_add_update(accel_dev, &req);
86
87	dma_free_coherent(&GET_DEV(accel_dev), sizeof(*fw_params), fw_params,
88			  dma_addr);
89
90	return ret;
91}
92
93int adf_rl_send_admin_delete_msg(struct adf_accel_dev *accel_dev, u16 node_id,
94				 u8 node_type)
95{
96	return adf_send_admin_rl_delete(accel_dev, node_id, node_type);
97}