Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1 | /* QLogic qed NIC Driver |
| 2 | * Copyright (c) 2015 QLogic Corporation |
| 3 | * |
| 4 | * This software is available under the terms of the GNU General Public License |
| 5 | * (GPL) Version 2, available from the file COPYING in the main directory of |
| 6 | * this source tree. |
| 7 | */ |
| 8 | |
| 9 | #include <linux/types.h> |
| 10 | #include <asm/byteorder.h> |
| 11 | #include <linux/io.h> |
| 12 | #include <linux/delay.h> |
| 13 | #include <linux/dma-mapping.h> |
| 14 | #include <linux/errno.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/mutex.h> |
| 17 | #include <linux/pci.h> |
| 18 | #include <linux/slab.h> |
| 19 | #include <linux/string.h> |
| 20 | #include <linux/etherdevice.h> |
| 21 | #include <linux/qed/qed_chain.h> |
| 22 | #include <linux/qed/qed_if.h> |
| 23 | #include "qed.h" |
| 24 | #include "qed_cxt.h" |
| 25 | #include "qed_dev_api.h" |
| 26 | #include "qed_hsi.h" |
| 27 | #include "qed_hw.h" |
| 28 | #include "qed_init_ops.h" |
| 29 | #include "qed_int.h" |
| 30 | #include "qed_mcp.h" |
| 31 | #include "qed_reg_addr.h" |
| 32 | #include "qed_sp.h" |
Yuval Mintz | 32a47e7 | 2016-05-11 16:36:12 +0300 | [diff] [blame] | 33 | #include "qed_sriov.h" |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 34 | #include "qed_vf.h" |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 35 | |
| 36 | /* API common to all protocols */ |
Ram Amrani | c2035ee | 2016-03-02 20:26:00 +0200 | [diff] [blame] | 37 | enum BAR_ID { |
| 38 | BAR_ID_0, /* used for GRC */ |
| 39 | BAR_ID_1 /* Used for doorbells */ |
| 40 | }; |
| 41 | |
| 42 | static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn, |
| 43 | enum BAR_ID bar_id) |
| 44 | { |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 45 | u32 bar_reg = (bar_id == BAR_ID_0 ? |
| 46 | PGLUE_B_REG_PF_BAR0_SIZE : PGLUE_B_REG_PF_BAR1_SIZE); |
| 47 | u32 val; |
Ram Amrani | c2035ee | 2016-03-02 20:26:00 +0200 | [diff] [blame] | 48 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 49 | if (IS_VF(p_hwfn->cdev)) |
| 50 | return 1 << 17; |
| 51 | |
| 52 | val = qed_rd(p_hwfn, p_hwfn->p_main_ptt, bar_reg); |
Ram Amrani | c2035ee | 2016-03-02 20:26:00 +0200 | [diff] [blame] | 53 | if (val) |
| 54 | return 1 << (val + 15); |
| 55 | |
| 56 | /* Old MFW initialized above registered only conditionally */ |
| 57 | if (p_hwfn->cdev->num_hwfns > 1) { |
| 58 | DP_INFO(p_hwfn, |
| 59 | "BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n"); |
| 60 | return BAR_ID_0 ? 256 * 1024 : 512 * 1024; |
| 61 | } else { |
| 62 | DP_INFO(p_hwfn, |
| 63 | "BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n"); |
| 64 | return 512 * 1024; |
| 65 | } |
| 66 | } |
| 67 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 68 | void qed_init_dp(struct qed_dev *cdev, |
| 69 | u32 dp_module, u8 dp_level) |
| 70 | { |
| 71 | u32 i; |
| 72 | |
| 73 | cdev->dp_level = dp_level; |
| 74 | cdev->dp_module = dp_module; |
| 75 | for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) { |
| 76 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 77 | |
| 78 | p_hwfn->dp_level = dp_level; |
| 79 | p_hwfn->dp_module = dp_module; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | void qed_init_struct(struct qed_dev *cdev) |
| 84 | { |
| 85 | u8 i; |
| 86 | |
| 87 | for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) { |
| 88 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 89 | |
| 90 | p_hwfn->cdev = cdev; |
| 91 | p_hwfn->my_id = i; |
| 92 | p_hwfn->b_active = false; |
| 93 | |
| 94 | mutex_init(&p_hwfn->dmae_info.mutex); |
| 95 | } |
| 96 | |
| 97 | /* hwfn 0 is always active */ |
| 98 | cdev->hwfns[0].b_active = true; |
| 99 | |
| 100 | /* set the default cache alignment to 128 */ |
| 101 | cdev->cache_shift = 7; |
| 102 | } |
| 103 | |
| 104 | static void qed_qm_info_free(struct qed_hwfn *p_hwfn) |
| 105 | { |
| 106 | struct qed_qm_info *qm_info = &p_hwfn->qm_info; |
| 107 | |
| 108 | kfree(qm_info->qm_pq_params); |
| 109 | qm_info->qm_pq_params = NULL; |
| 110 | kfree(qm_info->qm_vport_params); |
| 111 | qm_info->qm_vport_params = NULL; |
| 112 | kfree(qm_info->qm_port_params); |
| 113 | qm_info->qm_port_params = NULL; |
Manish Chopra | bcd197c | 2016-04-26 10:56:08 -0400 | [diff] [blame] | 114 | kfree(qm_info->wfq_data); |
| 115 | qm_info->wfq_data = NULL; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | void qed_resc_free(struct qed_dev *cdev) |
| 119 | { |
| 120 | int i; |
| 121 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 122 | if (IS_VF(cdev)) |
| 123 | return; |
| 124 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 125 | kfree(cdev->fw_data); |
| 126 | cdev->fw_data = NULL; |
| 127 | |
| 128 | kfree(cdev->reset_stats); |
| 129 | |
| 130 | for_each_hwfn(cdev, i) { |
| 131 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 132 | |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 133 | kfree(p_hwfn->p_tx_cids); |
| 134 | p_hwfn->p_tx_cids = NULL; |
| 135 | kfree(p_hwfn->p_rx_cids); |
| 136 | p_hwfn->p_rx_cids = NULL; |
| 137 | } |
| 138 | |
| 139 | for_each_hwfn(cdev, i) { |
| 140 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 141 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 142 | qed_cxt_mngr_free(p_hwfn); |
| 143 | qed_qm_info_free(p_hwfn); |
| 144 | qed_spq_free(p_hwfn); |
| 145 | qed_eq_free(p_hwfn, p_hwfn->p_eq); |
| 146 | qed_consq_free(p_hwfn, p_hwfn->p_consq); |
| 147 | qed_int_free(p_hwfn); |
Yuval Mintz | 32a47e7 | 2016-05-11 16:36:12 +0300 | [diff] [blame] | 148 | qed_iov_free(p_hwfn); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 149 | qed_dmae_info_free(p_hwfn); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | static int qed_init_qm_info(struct qed_hwfn *p_hwfn) |
| 154 | { |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 155 | u8 num_vports, vf_offset = 0, i, vport_id, num_ports, curr_queue = 0; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 156 | struct qed_qm_info *qm_info = &p_hwfn->qm_info; |
| 157 | struct init_qm_port_params *p_qm_port; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 158 | u16 num_pqs, multi_cos_tcs = 1; |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 159 | u16 num_vfs = 0; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 160 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 161 | #ifdef CONFIG_QED_SRIOV |
| 162 | if (p_hwfn->cdev->p_iov_info) |
| 163 | num_vfs = p_hwfn->cdev->p_iov_info->total_vfs; |
| 164 | #endif |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 165 | memset(qm_info, 0, sizeof(*qm_info)); |
| 166 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 167 | num_pqs = multi_cos_tcs + num_vfs + 1; /* The '1' is for pure-LB */ |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 168 | num_vports = (u8)RESC_NUM(p_hwfn, QED_VPORT); |
| 169 | |
| 170 | /* Sanity checking that setup requires legal number of resources */ |
| 171 | if (num_pqs > RESC_NUM(p_hwfn, QED_PQ)) { |
| 172 | DP_ERR(p_hwfn, |
| 173 | "Need too many Physical queues - 0x%04x when only %04x are available\n", |
| 174 | num_pqs, RESC_NUM(p_hwfn, QED_PQ)); |
| 175 | return -EINVAL; |
| 176 | } |
| 177 | |
| 178 | /* PQs will be arranged as follows: First per-TC PQ then pure-LB quete. |
| 179 | */ |
| 180 | qm_info->qm_pq_params = kzalloc(sizeof(*qm_info->qm_pq_params) * |
Yuval Mintz | 60fffb3 | 2016-02-21 11:40:07 +0200 | [diff] [blame] | 181 | num_pqs, GFP_KERNEL); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 182 | if (!qm_info->qm_pq_params) |
| 183 | goto alloc_err; |
| 184 | |
| 185 | qm_info->qm_vport_params = kzalloc(sizeof(*qm_info->qm_vport_params) * |
Yuval Mintz | 60fffb3 | 2016-02-21 11:40:07 +0200 | [diff] [blame] | 186 | num_vports, GFP_KERNEL); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 187 | if (!qm_info->qm_vport_params) |
| 188 | goto alloc_err; |
| 189 | |
| 190 | qm_info->qm_port_params = kzalloc(sizeof(*qm_info->qm_port_params) * |
Yuval Mintz | 60fffb3 | 2016-02-21 11:40:07 +0200 | [diff] [blame] | 191 | MAX_NUM_PORTS, GFP_KERNEL); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 192 | if (!qm_info->qm_port_params) |
| 193 | goto alloc_err; |
| 194 | |
Manish Chopra | bcd197c | 2016-04-26 10:56:08 -0400 | [diff] [blame] | 195 | qm_info->wfq_data = kcalloc(num_vports, sizeof(*qm_info->wfq_data), |
| 196 | GFP_KERNEL); |
| 197 | if (!qm_info->wfq_data) |
| 198 | goto alloc_err; |
| 199 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 200 | vport_id = (u8)RESC_START(p_hwfn, QED_VPORT); |
| 201 | |
| 202 | /* First init per-TC PQs */ |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 203 | for (i = 0; i < multi_cos_tcs; i++, curr_queue++) { |
| 204 | struct init_qm_pq_params *params = |
| 205 | &qm_info->qm_pq_params[curr_queue]; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 206 | |
| 207 | params->vport_id = vport_id; |
| 208 | params->tc_id = p_hwfn->hw_info.non_offload_tc; |
| 209 | params->wrr_group = 1; |
| 210 | } |
| 211 | |
| 212 | /* Then init pure-LB PQ */ |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 213 | qm_info->pure_lb_pq = curr_queue; |
| 214 | qm_info->qm_pq_params[curr_queue].vport_id = |
| 215 | (u8) RESC_START(p_hwfn, QED_VPORT); |
| 216 | qm_info->qm_pq_params[curr_queue].tc_id = PURE_LB_TC; |
| 217 | qm_info->qm_pq_params[curr_queue].wrr_group = 1; |
| 218 | curr_queue++; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 219 | |
| 220 | qm_info->offload_pq = 0; |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 221 | /* Then init per-VF PQs */ |
| 222 | vf_offset = curr_queue; |
| 223 | for (i = 0; i < num_vfs; i++) { |
| 224 | /* First vport is used by the PF */ |
| 225 | qm_info->qm_pq_params[curr_queue].vport_id = vport_id + i + 1; |
| 226 | qm_info->qm_pq_params[curr_queue].tc_id = |
| 227 | p_hwfn->hw_info.non_offload_tc; |
| 228 | qm_info->qm_pq_params[curr_queue].wrr_group = 1; |
| 229 | curr_queue++; |
| 230 | } |
| 231 | |
| 232 | qm_info->vf_queues_offset = vf_offset; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 233 | qm_info->num_pqs = num_pqs; |
| 234 | qm_info->num_vports = num_vports; |
| 235 | |
| 236 | /* Initialize qm port parameters */ |
| 237 | num_ports = p_hwfn->cdev->num_ports_in_engines; |
| 238 | for (i = 0; i < num_ports; i++) { |
| 239 | p_qm_port = &qm_info->qm_port_params[i]; |
| 240 | p_qm_port->active = 1; |
| 241 | p_qm_port->num_active_phys_tcs = 4; |
| 242 | p_qm_port->num_pbf_cmd_lines = PBF_MAX_CMD_LINES / num_ports; |
| 243 | p_qm_port->num_btb_blocks = BTB_MAX_BLOCKS / num_ports; |
| 244 | } |
| 245 | |
| 246 | qm_info->max_phys_tcs_per_port = NUM_OF_PHYS_TCS; |
| 247 | |
| 248 | qm_info->start_pq = (u16)RESC_START(p_hwfn, QED_PQ); |
| 249 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 250 | qm_info->num_vf_pqs = num_vfs; |
| 251 | qm_info->start_vport = (u8) RESC_START(p_hwfn, QED_VPORT); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 252 | |
Manish Chopra | a64b02d | 2016-04-26 10:56:10 -0400 | [diff] [blame] | 253 | for (i = 0; i < qm_info->num_vports; i++) |
| 254 | qm_info->qm_vport_params[i].vport_wfq = 1; |
| 255 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 256 | qm_info->pf_wfq = 0; |
| 257 | qm_info->pf_rl = 0; |
| 258 | qm_info->vport_rl_en = 1; |
Manish Chopra | a64b02d | 2016-04-26 10:56:10 -0400 | [diff] [blame] | 259 | qm_info->vport_wfq_en = 1; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 260 | |
| 261 | return 0; |
| 262 | |
| 263 | alloc_err: |
| 264 | DP_NOTICE(p_hwfn, "Failed to allocate memory for QM params\n"); |
Manish Chopra | bcd197c | 2016-04-26 10:56:08 -0400 | [diff] [blame] | 265 | qed_qm_info_free(p_hwfn); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 266 | return -ENOMEM; |
| 267 | } |
| 268 | |
| 269 | int qed_resc_alloc(struct qed_dev *cdev) |
| 270 | { |
| 271 | struct qed_consq *p_consq; |
| 272 | struct qed_eq *p_eq; |
| 273 | int i, rc = 0; |
| 274 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 275 | if (IS_VF(cdev)) |
| 276 | return rc; |
| 277 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 278 | cdev->fw_data = kzalloc(sizeof(*cdev->fw_data), GFP_KERNEL); |
| 279 | if (!cdev->fw_data) |
| 280 | return -ENOMEM; |
| 281 | |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 282 | /* Allocate Memory for the Queue->CID mapping */ |
| 283 | for_each_hwfn(cdev, i) { |
| 284 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 285 | int tx_size = sizeof(struct qed_hw_cid_data) * |
| 286 | RESC_NUM(p_hwfn, QED_L2_QUEUE); |
| 287 | int rx_size = sizeof(struct qed_hw_cid_data) * |
| 288 | RESC_NUM(p_hwfn, QED_L2_QUEUE); |
| 289 | |
| 290 | p_hwfn->p_tx_cids = kzalloc(tx_size, GFP_KERNEL); |
| 291 | if (!p_hwfn->p_tx_cids) { |
| 292 | DP_NOTICE(p_hwfn, |
| 293 | "Failed to allocate memory for Tx Cids\n"); |
Dan Carpenter | 9b15acb | 2015-11-05 11:41:28 +0300 | [diff] [blame] | 294 | rc = -ENOMEM; |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 295 | goto alloc_err; |
| 296 | } |
| 297 | |
| 298 | p_hwfn->p_rx_cids = kzalloc(rx_size, GFP_KERNEL); |
| 299 | if (!p_hwfn->p_rx_cids) { |
| 300 | DP_NOTICE(p_hwfn, |
| 301 | "Failed to allocate memory for Rx Cids\n"); |
Dan Carpenter | 9b15acb | 2015-11-05 11:41:28 +0300 | [diff] [blame] | 302 | rc = -ENOMEM; |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 303 | goto alloc_err; |
| 304 | } |
| 305 | } |
| 306 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 307 | for_each_hwfn(cdev, i) { |
| 308 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 309 | |
| 310 | /* First allocate the context manager structure */ |
| 311 | rc = qed_cxt_mngr_alloc(p_hwfn); |
| 312 | if (rc) |
| 313 | goto alloc_err; |
| 314 | |
| 315 | /* Set the HW cid/tid numbers (in the contest manager) |
| 316 | * Must be done prior to any further computations. |
| 317 | */ |
| 318 | rc = qed_cxt_set_pf_params(p_hwfn); |
| 319 | if (rc) |
| 320 | goto alloc_err; |
| 321 | |
| 322 | /* Prepare and process QM requirements */ |
| 323 | rc = qed_init_qm_info(p_hwfn); |
| 324 | if (rc) |
| 325 | goto alloc_err; |
| 326 | |
| 327 | /* Compute the ILT client partition */ |
| 328 | rc = qed_cxt_cfg_ilt_compute(p_hwfn); |
| 329 | if (rc) |
| 330 | goto alloc_err; |
| 331 | |
| 332 | /* CID map / ILT shadow table / T2 |
| 333 | * The talbes sizes are determined by the computations above |
| 334 | */ |
| 335 | rc = qed_cxt_tables_alloc(p_hwfn); |
| 336 | if (rc) |
| 337 | goto alloc_err; |
| 338 | |
| 339 | /* SPQ, must follow ILT because initializes SPQ context */ |
| 340 | rc = qed_spq_alloc(p_hwfn); |
| 341 | if (rc) |
| 342 | goto alloc_err; |
| 343 | |
| 344 | /* SP status block allocation */ |
| 345 | p_hwfn->p_dpc_ptt = qed_get_reserved_ptt(p_hwfn, |
| 346 | RESERVED_PTT_DPC); |
| 347 | |
| 348 | rc = qed_int_alloc(p_hwfn, p_hwfn->p_main_ptt); |
| 349 | if (rc) |
| 350 | goto alloc_err; |
| 351 | |
Yuval Mintz | 32a47e7 | 2016-05-11 16:36:12 +0300 | [diff] [blame] | 352 | rc = qed_iov_alloc(p_hwfn); |
| 353 | if (rc) |
| 354 | goto alloc_err; |
| 355 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 356 | /* EQ */ |
| 357 | p_eq = qed_eq_alloc(p_hwfn, 256); |
Dan Carpenter | 9b15acb | 2015-11-05 11:41:28 +0300 | [diff] [blame] | 358 | if (!p_eq) { |
| 359 | rc = -ENOMEM; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 360 | goto alloc_err; |
Dan Carpenter | 9b15acb | 2015-11-05 11:41:28 +0300 | [diff] [blame] | 361 | } |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 362 | p_hwfn->p_eq = p_eq; |
| 363 | |
| 364 | p_consq = qed_consq_alloc(p_hwfn); |
Dan Carpenter | 9b15acb | 2015-11-05 11:41:28 +0300 | [diff] [blame] | 365 | if (!p_consq) { |
| 366 | rc = -ENOMEM; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 367 | goto alloc_err; |
Dan Carpenter | 9b15acb | 2015-11-05 11:41:28 +0300 | [diff] [blame] | 368 | } |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 369 | p_hwfn->p_consq = p_consq; |
| 370 | |
| 371 | /* DMA info initialization */ |
| 372 | rc = qed_dmae_info_alloc(p_hwfn); |
| 373 | if (rc) { |
| 374 | DP_NOTICE(p_hwfn, |
| 375 | "Failed to allocate memory for dmae_info structure\n"); |
| 376 | goto alloc_err; |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | cdev->reset_stats = kzalloc(sizeof(*cdev->reset_stats), GFP_KERNEL); |
| 381 | if (!cdev->reset_stats) { |
| 382 | DP_NOTICE(cdev, "Failed to allocate reset statistics\n"); |
Dan Carpenter | 9b15acb | 2015-11-05 11:41:28 +0300 | [diff] [blame] | 383 | rc = -ENOMEM; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 384 | goto alloc_err; |
| 385 | } |
| 386 | |
| 387 | return 0; |
| 388 | |
| 389 | alloc_err: |
| 390 | qed_resc_free(cdev); |
| 391 | return rc; |
| 392 | } |
| 393 | |
| 394 | void qed_resc_setup(struct qed_dev *cdev) |
| 395 | { |
| 396 | int i; |
| 397 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 398 | if (IS_VF(cdev)) |
| 399 | return; |
| 400 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 401 | for_each_hwfn(cdev, i) { |
| 402 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 403 | |
| 404 | qed_cxt_mngr_setup(p_hwfn); |
| 405 | qed_spq_setup(p_hwfn); |
| 406 | qed_eq_setup(p_hwfn, p_hwfn->p_eq); |
| 407 | qed_consq_setup(p_hwfn, p_hwfn->p_consq); |
| 408 | |
| 409 | /* Read shadow of current MFW mailbox */ |
| 410 | qed_mcp_read_mb(p_hwfn, p_hwfn->p_main_ptt); |
| 411 | memcpy(p_hwfn->mcp_info->mfw_mb_shadow, |
| 412 | p_hwfn->mcp_info->mfw_mb_cur, |
| 413 | p_hwfn->mcp_info->mfw_mb_length); |
| 414 | |
| 415 | qed_int_setup(p_hwfn, p_hwfn->p_main_ptt); |
Yuval Mintz | 32a47e7 | 2016-05-11 16:36:12 +0300 | [diff] [blame] | 416 | |
| 417 | qed_iov_setup(p_hwfn, p_hwfn->p_main_ptt); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 418 | } |
| 419 | } |
| 420 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 421 | #define FINAL_CLEANUP_POLL_CNT (100) |
| 422 | #define FINAL_CLEANUP_POLL_TIME (10) |
| 423 | int qed_final_cleanup(struct qed_hwfn *p_hwfn, |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 424 | struct qed_ptt *p_ptt, u16 id, bool is_vf) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 425 | { |
| 426 | u32 command = 0, addr, count = FINAL_CLEANUP_POLL_CNT; |
| 427 | int rc = -EBUSY; |
| 428 | |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 429 | addr = GTT_BAR0_MAP_REG_USDM_RAM + |
| 430 | USTORM_FLR_FINAL_ACK_OFFSET(p_hwfn->rel_pf_id); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 431 | |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 432 | if (is_vf) |
| 433 | id += 0x10; |
| 434 | |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 435 | command |= X_FINAL_CLEANUP_AGG_INT << |
| 436 | SDM_AGG_INT_COMP_PARAMS_AGG_INT_INDEX_SHIFT; |
| 437 | command |= 1 << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_ENABLE_SHIFT; |
| 438 | command |= id << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_BIT_SHIFT; |
| 439 | command |= SDM_COMP_TYPE_AGG_INT << SDM_OP_GEN_COMP_TYPE_SHIFT; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 440 | |
| 441 | /* Make sure notification is not set before initiating final cleanup */ |
| 442 | if (REG_RD(p_hwfn, addr)) { |
| 443 | DP_NOTICE( |
| 444 | p_hwfn, |
| 445 | "Unexpected; Found final cleanup notification before initiating final cleanup\n"); |
| 446 | REG_WR(p_hwfn, addr, 0); |
| 447 | } |
| 448 | |
| 449 | DP_VERBOSE(p_hwfn, QED_MSG_IOV, |
| 450 | "Sending final cleanup for PFVF[%d] [Command %08x\n]", |
| 451 | id, command); |
| 452 | |
| 453 | qed_wr(p_hwfn, p_ptt, XSDM_REG_OPERATION_GEN, command); |
| 454 | |
| 455 | /* Poll until completion */ |
| 456 | while (!REG_RD(p_hwfn, addr) && count--) |
| 457 | msleep(FINAL_CLEANUP_POLL_TIME); |
| 458 | |
| 459 | if (REG_RD(p_hwfn, addr)) |
| 460 | rc = 0; |
| 461 | else |
| 462 | DP_NOTICE(p_hwfn, |
| 463 | "Failed to receive FW final cleanup notification\n"); |
| 464 | |
| 465 | /* Cleanup afterwards */ |
| 466 | REG_WR(p_hwfn, addr, 0); |
| 467 | |
| 468 | return rc; |
| 469 | } |
| 470 | |
| 471 | static void qed_calc_hw_mode(struct qed_hwfn *p_hwfn) |
| 472 | { |
| 473 | int hw_mode = 0; |
| 474 | |
Yuval Mintz | 12e09c6 | 2016-03-02 20:26:01 +0200 | [diff] [blame] | 475 | hw_mode = (1 << MODE_BB_B0); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 476 | |
| 477 | switch (p_hwfn->cdev->num_ports_in_engines) { |
| 478 | case 1: |
| 479 | hw_mode |= 1 << MODE_PORTS_PER_ENG_1; |
| 480 | break; |
| 481 | case 2: |
| 482 | hw_mode |= 1 << MODE_PORTS_PER_ENG_2; |
| 483 | break; |
| 484 | case 4: |
| 485 | hw_mode |= 1 << MODE_PORTS_PER_ENG_4; |
| 486 | break; |
| 487 | default: |
| 488 | DP_NOTICE(p_hwfn, "num_ports_in_engine = %d not supported\n", |
| 489 | p_hwfn->cdev->num_ports_in_engines); |
| 490 | return; |
| 491 | } |
| 492 | |
| 493 | switch (p_hwfn->cdev->mf_mode) { |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 494 | case QED_MF_DEFAULT: |
| 495 | case QED_MF_NPAR: |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 496 | hw_mode |= 1 << MODE_MF_SI; |
| 497 | break; |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 498 | case QED_MF_OVLAN: |
| 499 | hw_mode |= 1 << MODE_MF_SD; |
| 500 | break; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 501 | default: |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 502 | DP_NOTICE(p_hwfn, "Unsupported MF mode, init as DEFAULT\n"); |
| 503 | hw_mode |= 1 << MODE_MF_SI; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | hw_mode |= 1 << MODE_ASIC; |
| 507 | |
| 508 | p_hwfn->hw_info.hw_mode = hw_mode; |
| 509 | } |
| 510 | |
| 511 | /* Init run time data for all PFs on an engine. */ |
| 512 | static void qed_init_cau_rt_data(struct qed_dev *cdev) |
| 513 | { |
| 514 | u32 offset = CAU_REG_SB_VAR_MEMORY_RT_OFFSET; |
| 515 | int i, sb_id; |
| 516 | |
| 517 | for_each_hwfn(cdev, i) { |
| 518 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 519 | struct qed_igu_info *p_igu_info; |
| 520 | struct qed_igu_block *p_block; |
| 521 | struct cau_sb_entry sb_entry; |
| 522 | |
| 523 | p_igu_info = p_hwfn->hw_info.p_igu_info; |
| 524 | |
| 525 | for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(cdev); |
| 526 | sb_id++) { |
| 527 | p_block = &p_igu_info->igu_map.igu_blocks[sb_id]; |
| 528 | if (!p_block->is_pf) |
| 529 | continue; |
| 530 | |
| 531 | qed_init_cau_sb_entry(p_hwfn, &sb_entry, |
| 532 | p_block->function_id, |
| 533 | 0, 0); |
| 534 | STORE_RT_REG_AGG(p_hwfn, offset + sb_id * 2, |
| 535 | sb_entry); |
| 536 | } |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | static int qed_hw_init_common(struct qed_hwfn *p_hwfn, |
| 541 | struct qed_ptt *p_ptt, |
| 542 | int hw_mode) |
| 543 | { |
| 544 | struct qed_qm_info *qm_info = &p_hwfn->qm_info; |
| 545 | struct qed_qm_common_rt_init_params params; |
| 546 | struct qed_dev *cdev = p_hwfn->cdev; |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 547 | u32 concrete_fid; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 548 | int rc = 0; |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 549 | u8 vf_id; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 550 | |
| 551 | qed_init_cau_rt_data(cdev); |
| 552 | |
| 553 | /* Program GTT windows */ |
| 554 | qed_gtt_init(p_hwfn); |
| 555 | |
| 556 | if (p_hwfn->mcp_info) { |
| 557 | if (p_hwfn->mcp_info->func_info.bandwidth_max) |
| 558 | qm_info->pf_rl_en = 1; |
| 559 | if (p_hwfn->mcp_info->func_info.bandwidth_min) |
| 560 | qm_info->pf_wfq_en = 1; |
| 561 | } |
| 562 | |
| 563 | memset(¶ms, 0, sizeof(params)); |
| 564 | params.max_ports_per_engine = p_hwfn->cdev->num_ports_in_engines; |
| 565 | params.max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port; |
| 566 | params.pf_rl_en = qm_info->pf_rl_en; |
| 567 | params.pf_wfq_en = qm_info->pf_wfq_en; |
| 568 | params.vport_rl_en = qm_info->vport_rl_en; |
| 569 | params.vport_wfq_en = qm_info->vport_wfq_en; |
| 570 | params.port_params = qm_info->qm_port_params; |
| 571 | |
| 572 | qed_qm_common_rt_init(p_hwfn, ¶ms); |
| 573 | |
| 574 | qed_cxt_hw_init_common(p_hwfn); |
| 575 | |
| 576 | /* Close gate from NIG to BRB/Storm; By default they are open, but |
| 577 | * we close them to prevent NIG from passing data to reset blocks. |
| 578 | * Should have been done in the ENGINE phase, but init-tool lacks |
| 579 | * proper port-pretend capabilities. |
| 580 | */ |
| 581 | qed_wr(p_hwfn, p_ptt, NIG_REG_RX_BRB_OUT_EN, 0); |
| 582 | qed_wr(p_hwfn, p_ptt, NIG_REG_STORM_OUT_EN, 0); |
| 583 | qed_port_pretend(p_hwfn, p_ptt, p_hwfn->port_id ^ 1); |
| 584 | qed_wr(p_hwfn, p_ptt, NIG_REG_RX_BRB_OUT_EN, 0); |
| 585 | qed_wr(p_hwfn, p_ptt, NIG_REG_STORM_OUT_EN, 0); |
| 586 | qed_port_unpretend(p_hwfn, p_ptt); |
| 587 | |
| 588 | rc = qed_init_run(p_hwfn, p_ptt, PHASE_ENGINE, ANY_PHASE_ID, hw_mode); |
| 589 | if (rc != 0) |
| 590 | return rc; |
| 591 | |
| 592 | qed_wr(p_hwfn, p_ptt, PSWRQ2_REG_L2P_VALIDATE_VFID, 0); |
| 593 | qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_USE_CLIENTID_IN_TAG, 1); |
| 594 | |
| 595 | /* Disable relaxed ordering in the PCI config space */ |
| 596 | qed_wr(p_hwfn, p_ptt, 0x20b4, |
| 597 | qed_rd(p_hwfn, p_ptt, 0x20b4) & ~0x10); |
| 598 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 599 | for (vf_id = 0; vf_id < MAX_NUM_VFS_BB; vf_id++) { |
| 600 | concrete_fid = qed_vfid_to_concrete(p_hwfn, vf_id); |
| 601 | qed_fid_pretend(p_hwfn, p_ptt, (u16) concrete_fid); |
| 602 | qed_wr(p_hwfn, p_ptt, CCFC_REG_STRONG_ENABLE_VF, 0x1); |
| 603 | } |
| 604 | /* pretend to original PF */ |
| 605 | qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id); |
| 606 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 607 | return rc; |
| 608 | } |
| 609 | |
| 610 | static int qed_hw_init_port(struct qed_hwfn *p_hwfn, |
| 611 | struct qed_ptt *p_ptt, |
| 612 | int hw_mode) |
| 613 | { |
| 614 | int rc = 0; |
| 615 | |
| 616 | rc = qed_init_run(p_hwfn, p_ptt, PHASE_PORT, p_hwfn->port_id, |
| 617 | hw_mode); |
| 618 | return rc; |
| 619 | } |
| 620 | |
| 621 | static int qed_hw_init_pf(struct qed_hwfn *p_hwfn, |
| 622 | struct qed_ptt *p_ptt, |
Manish Chopra | 464f664 | 2016-04-14 01:38:29 -0400 | [diff] [blame] | 623 | struct qed_tunn_start_params *p_tunn, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 624 | int hw_mode, |
| 625 | bool b_hw_start, |
| 626 | enum qed_int_mode int_mode, |
| 627 | bool allow_npar_tx_switch) |
| 628 | { |
| 629 | u8 rel_pf_id = p_hwfn->rel_pf_id; |
| 630 | int rc = 0; |
| 631 | |
| 632 | if (p_hwfn->mcp_info) { |
| 633 | struct qed_mcp_function_info *p_info; |
| 634 | |
| 635 | p_info = &p_hwfn->mcp_info->func_info; |
| 636 | if (p_info->bandwidth_min) |
| 637 | p_hwfn->qm_info.pf_wfq = p_info->bandwidth_min; |
| 638 | |
| 639 | /* Update rate limit once we'll actually have a link */ |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 640 | p_hwfn->qm_info.pf_rl = 100000; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 641 | } |
| 642 | |
| 643 | qed_cxt_hw_init_pf(p_hwfn); |
| 644 | |
| 645 | qed_int_igu_init_rt(p_hwfn); |
| 646 | |
| 647 | /* Set VLAN in NIG if needed */ |
| 648 | if (hw_mode & (1 << MODE_MF_SD)) { |
| 649 | DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "Configuring LLH_FUNC_TAG\n"); |
| 650 | STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_EN_RT_OFFSET, 1); |
| 651 | STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_VALUE_RT_OFFSET, |
| 652 | p_hwfn->hw_info.ovlan); |
| 653 | } |
| 654 | |
| 655 | /* Enable classification by MAC if needed */ |
Dan Carpenter | 87aec47 | 2015-11-04 16:29:11 +0300 | [diff] [blame] | 656 | if (hw_mode & (1 << MODE_MF_SI)) { |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 657 | DP_VERBOSE(p_hwfn, NETIF_MSG_HW, |
| 658 | "Configuring TAGMAC_CLS_TYPE\n"); |
| 659 | STORE_RT_REG(p_hwfn, |
| 660 | NIG_REG_LLH_FUNC_TAGMAC_CLS_TYPE_RT_OFFSET, 1); |
| 661 | } |
| 662 | |
| 663 | /* Protocl Configuration */ |
| 664 | STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_TCP_RT_OFFSET, 0); |
| 665 | STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_FCOE_RT_OFFSET, 0); |
| 666 | STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0); |
| 667 | |
| 668 | /* Cleanup chip from previous driver if such remains exist */ |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 669 | rc = qed_final_cleanup(p_hwfn, p_ptt, rel_pf_id, false); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 670 | if (rc != 0) |
| 671 | return rc; |
| 672 | |
| 673 | /* PF Init sequence */ |
| 674 | rc = qed_init_run(p_hwfn, p_ptt, PHASE_PF, rel_pf_id, hw_mode); |
| 675 | if (rc) |
| 676 | return rc; |
| 677 | |
| 678 | /* QM_PF Init sequence (may be invoked separately e.g. for DCB) */ |
| 679 | rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, rel_pf_id, hw_mode); |
| 680 | if (rc) |
| 681 | return rc; |
| 682 | |
| 683 | /* Pure runtime initializations - directly to the HW */ |
| 684 | qed_int_igu_init_pure_rt(p_hwfn, p_ptt, true, true); |
| 685 | |
| 686 | if (b_hw_start) { |
| 687 | /* enable interrupts */ |
| 688 | qed_int_igu_enable(p_hwfn, p_ptt, int_mode); |
| 689 | |
| 690 | /* send function start command */ |
Manish Chopra | 464f664 | 2016-04-14 01:38:29 -0400 | [diff] [blame] | 691 | rc = qed_sp_pf_start(p_hwfn, p_tunn, p_hwfn->cdev->mf_mode); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 692 | if (rc) |
| 693 | DP_NOTICE(p_hwfn, "Function start ramrod failed\n"); |
| 694 | } |
| 695 | return rc; |
| 696 | } |
| 697 | |
| 698 | static int qed_change_pci_hwfn(struct qed_hwfn *p_hwfn, |
| 699 | struct qed_ptt *p_ptt, |
| 700 | u8 enable) |
| 701 | { |
| 702 | u32 delay_idx = 0, val, set_val = enable ? 1 : 0; |
| 703 | |
| 704 | /* Change PF in PXP */ |
| 705 | qed_wr(p_hwfn, p_ptt, |
| 706 | PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val); |
| 707 | |
| 708 | /* wait until value is set - try for 1 second every 50us */ |
| 709 | for (delay_idx = 0; delay_idx < 20000; delay_idx++) { |
| 710 | val = qed_rd(p_hwfn, p_ptt, |
| 711 | PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER); |
| 712 | if (val == set_val) |
| 713 | break; |
| 714 | |
| 715 | usleep_range(50, 60); |
| 716 | } |
| 717 | |
| 718 | if (val != set_val) { |
| 719 | DP_NOTICE(p_hwfn, |
| 720 | "PFID_ENABLE_MASTER wasn't changed after a second\n"); |
| 721 | return -EAGAIN; |
| 722 | } |
| 723 | |
| 724 | return 0; |
| 725 | } |
| 726 | |
| 727 | static void qed_reset_mb_shadow(struct qed_hwfn *p_hwfn, |
| 728 | struct qed_ptt *p_main_ptt) |
| 729 | { |
| 730 | /* Read shadow of current MFW mailbox */ |
| 731 | qed_mcp_read_mb(p_hwfn, p_main_ptt); |
| 732 | memcpy(p_hwfn->mcp_info->mfw_mb_shadow, |
| 733 | p_hwfn->mcp_info->mfw_mb_cur, |
| 734 | p_hwfn->mcp_info->mfw_mb_length); |
| 735 | } |
| 736 | |
| 737 | int qed_hw_init(struct qed_dev *cdev, |
Manish Chopra | 464f664 | 2016-04-14 01:38:29 -0400 | [diff] [blame] | 738 | struct qed_tunn_start_params *p_tunn, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 739 | bool b_hw_start, |
| 740 | enum qed_int_mode int_mode, |
| 741 | bool allow_npar_tx_switch, |
| 742 | const u8 *bin_fw_data) |
| 743 | { |
Yuval Mintz | 86622ee | 2016-03-02 20:26:02 +0200 | [diff] [blame] | 744 | u32 load_code, param; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 745 | int rc, mfw_rc, i; |
| 746 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 747 | if (IS_PF(cdev)) { |
| 748 | rc = qed_init_fw_data(cdev, bin_fw_data); |
| 749 | if (rc != 0) |
| 750 | return rc; |
| 751 | } |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 752 | |
| 753 | for_each_hwfn(cdev, i) { |
| 754 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 755 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 756 | if (IS_VF(cdev)) { |
| 757 | p_hwfn->b_int_enabled = 1; |
| 758 | continue; |
| 759 | } |
| 760 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 761 | /* Enable DMAE in PXP */ |
| 762 | rc = qed_change_pci_hwfn(p_hwfn, p_hwfn->p_main_ptt, true); |
| 763 | |
| 764 | qed_calc_hw_mode(p_hwfn); |
| 765 | |
| 766 | rc = qed_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt, |
| 767 | &load_code); |
| 768 | if (rc) { |
| 769 | DP_NOTICE(p_hwfn, "Failed sending LOAD_REQ command\n"); |
| 770 | return rc; |
| 771 | } |
| 772 | |
| 773 | qed_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt); |
| 774 | |
| 775 | DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| 776 | "Load request was sent. Resp:0x%x, Load code: 0x%x\n", |
| 777 | rc, load_code); |
| 778 | |
| 779 | p_hwfn->first_on_engine = (load_code == |
| 780 | FW_MSG_CODE_DRV_LOAD_ENGINE); |
| 781 | |
| 782 | switch (load_code) { |
| 783 | case FW_MSG_CODE_DRV_LOAD_ENGINE: |
| 784 | rc = qed_hw_init_common(p_hwfn, p_hwfn->p_main_ptt, |
| 785 | p_hwfn->hw_info.hw_mode); |
| 786 | if (rc) |
| 787 | break; |
| 788 | /* Fall into */ |
| 789 | case FW_MSG_CODE_DRV_LOAD_PORT: |
| 790 | rc = qed_hw_init_port(p_hwfn, p_hwfn->p_main_ptt, |
| 791 | p_hwfn->hw_info.hw_mode); |
| 792 | if (rc) |
| 793 | break; |
| 794 | |
| 795 | /* Fall into */ |
| 796 | case FW_MSG_CODE_DRV_LOAD_FUNCTION: |
| 797 | rc = qed_hw_init_pf(p_hwfn, p_hwfn->p_main_ptt, |
Manish Chopra | 464f664 | 2016-04-14 01:38:29 -0400 | [diff] [blame] | 798 | p_tunn, p_hwfn->hw_info.hw_mode, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 799 | b_hw_start, int_mode, |
| 800 | allow_npar_tx_switch); |
| 801 | break; |
| 802 | default: |
| 803 | rc = -EINVAL; |
| 804 | break; |
| 805 | } |
| 806 | |
| 807 | if (rc) |
| 808 | DP_NOTICE(p_hwfn, |
| 809 | "init phase failed for loadcode 0x%x (rc %d)\n", |
| 810 | load_code, rc); |
| 811 | |
| 812 | /* ACK mfw regardless of success or failure of initialization */ |
| 813 | mfw_rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, |
| 814 | DRV_MSG_CODE_LOAD_DONE, |
| 815 | 0, &load_code, ¶m); |
| 816 | if (rc) |
| 817 | return rc; |
| 818 | if (mfw_rc) { |
| 819 | DP_NOTICE(p_hwfn, "Failed sending LOAD_DONE command\n"); |
| 820 | return mfw_rc; |
| 821 | } |
| 822 | |
| 823 | p_hwfn->hw_init_done = true; |
| 824 | } |
| 825 | |
| 826 | return 0; |
| 827 | } |
| 828 | |
| 829 | #define QED_HW_STOP_RETRY_LIMIT (10) |
Yuval Mintz | 8c925c4 | 2016-03-02 20:26:03 +0200 | [diff] [blame] | 830 | static inline void qed_hw_timers_stop(struct qed_dev *cdev, |
| 831 | struct qed_hwfn *p_hwfn, |
| 832 | struct qed_ptt *p_ptt) |
| 833 | { |
| 834 | int i; |
| 835 | |
| 836 | /* close timers */ |
| 837 | qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0); |
| 838 | qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0); |
| 839 | |
| 840 | for (i = 0; i < QED_HW_STOP_RETRY_LIMIT; i++) { |
| 841 | if ((!qed_rd(p_hwfn, p_ptt, |
| 842 | TM_REG_PF_SCAN_ACTIVE_CONN)) && |
| 843 | (!qed_rd(p_hwfn, p_ptt, |
| 844 | TM_REG_PF_SCAN_ACTIVE_TASK))) |
| 845 | break; |
| 846 | |
| 847 | /* Dependent on number of connection/tasks, possibly |
| 848 | * 1ms sleep is required between polls |
| 849 | */ |
| 850 | usleep_range(1000, 2000); |
| 851 | } |
| 852 | |
| 853 | if (i < QED_HW_STOP_RETRY_LIMIT) |
| 854 | return; |
| 855 | |
| 856 | DP_NOTICE(p_hwfn, |
| 857 | "Timers linear scans are not over [Connection %02x Tasks %02x]\n", |
| 858 | (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_CONN), |
| 859 | (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK)); |
| 860 | } |
| 861 | |
| 862 | void qed_hw_timers_stop_all(struct qed_dev *cdev) |
| 863 | { |
| 864 | int j; |
| 865 | |
| 866 | for_each_hwfn(cdev, j) { |
| 867 | struct qed_hwfn *p_hwfn = &cdev->hwfns[j]; |
| 868 | struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; |
| 869 | |
| 870 | qed_hw_timers_stop(cdev, p_hwfn, p_ptt); |
| 871 | } |
| 872 | } |
| 873 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 874 | int qed_hw_stop(struct qed_dev *cdev) |
| 875 | { |
| 876 | int rc = 0, t_rc; |
Yuval Mintz | 8c925c4 | 2016-03-02 20:26:03 +0200 | [diff] [blame] | 877 | int j; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 878 | |
| 879 | for_each_hwfn(cdev, j) { |
| 880 | struct qed_hwfn *p_hwfn = &cdev->hwfns[j]; |
| 881 | struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; |
| 882 | |
| 883 | DP_VERBOSE(p_hwfn, NETIF_MSG_IFDOWN, "Stopping hw/fw\n"); |
| 884 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 885 | if (IS_VF(cdev)) { |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 886 | qed_vf_pf_int_cleanup(p_hwfn); |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 887 | continue; |
| 888 | } |
| 889 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 890 | /* mark the hw as uninitialized... */ |
| 891 | p_hwfn->hw_init_done = false; |
| 892 | |
| 893 | rc = qed_sp_pf_stop(p_hwfn); |
| 894 | if (rc) |
Yuval Mintz | 8c925c4 | 2016-03-02 20:26:03 +0200 | [diff] [blame] | 895 | DP_NOTICE(p_hwfn, |
| 896 | "Failed to close PF against FW. Continue to stop HW to prevent illegal host access by the device\n"); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 897 | |
| 898 | qed_wr(p_hwfn, p_ptt, |
| 899 | NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1); |
| 900 | |
| 901 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0); |
| 902 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0); |
| 903 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0); |
| 904 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0); |
| 905 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0); |
| 906 | |
Yuval Mintz | 8c925c4 | 2016-03-02 20:26:03 +0200 | [diff] [blame] | 907 | qed_hw_timers_stop(cdev, p_hwfn, p_ptt); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 908 | |
| 909 | /* Disable Attention Generation */ |
| 910 | qed_int_igu_disable_int(p_hwfn, p_ptt); |
| 911 | |
| 912 | qed_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0); |
| 913 | qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0); |
| 914 | |
| 915 | qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, true); |
| 916 | |
| 917 | /* Need to wait 1ms to guarantee SBs are cleared */ |
| 918 | usleep_range(1000, 2000); |
| 919 | } |
| 920 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 921 | if (IS_PF(cdev)) { |
| 922 | /* Disable DMAE in PXP - in CMT, this should only be done for |
| 923 | * first hw-function, and only after all transactions have |
| 924 | * stopped for all active hw-functions. |
| 925 | */ |
| 926 | t_rc = qed_change_pci_hwfn(&cdev->hwfns[0], |
| 927 | cdev->hwfns[0].p_main_ptt, false); |
| 928 | if (t_rc != 0) |
| 929 | rc = t_rc; |
| 930 | } |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 931 | |
| 932 | return rc; |
| 933 | } |
| 934 | |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 935 | void qed_hw_stop_fastpath(struct qed_dev *cdev) |
| 936 | { |
Yuval Mintz | 8c925c4 | 2016-03-02 20:26:03 +0200 | [diff] [blame] | 937 | int j; |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 938 | |
| 939 | for_each_hwfn(cdev, j) { |
| 940 | struct qed_hwfn *p_hwfn = &cdev->hwfns[j]; |
Yuval Mintz | dacd88d | 2016-05-11 16:36:16 +0300 | [diff] [blame] | 941 | struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; |
| 942 | |
| 943 | if (IS_VF(cdev)) { |
| 944 | qed_vf_pf_int_cleanup(p_hwfn); |
| 945 | continue; |
| 946 | } |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 947 | |
| 948 | DP_VERBOSE(p_hwfn, |
| 949 | NETIF_MSG_IFDOWN, |
| 950 | "Shutting down the fastpath\n"); |
| 951 | |
| 952 | qed_wr(p_hwfn, p_ptt, |
| 953 | NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1); |
| 954 | |
| 955 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0); |
| 956 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0); |
| 957 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0); |
| 958 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0); |
| 959 | qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0); |
| 960 | |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 961 | qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, false); |
| 962 | |
| 963 | /* Need to wait 1ms to guarantee SBs are cleared */ |
| 964 | usleep_range(1000, 2000); |
| 965 | } |
| 966 | } |
| 967 | |
| 968 | void qed_hw_start_fastpath(struct qed_hwfn *p_hwfn) |
| 969 | { |
Yuval Mintz | dacd88d | 2016-05-11 16:36:16 +0300 | [diff] [blame] | 970 | if (IS_VF(p_hwfn->cdev)) |
| 971 | return; |
| 972 | |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 973 | /* Re-open incoming traffic */ |
| 974 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, |
| 975 | NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x0); |
| 976 | } |
| 977 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 978 | static int qed_reg_assert(struct qed_hwfn *hwfn, |
| 979 | struct qed_ptt *ptt, u32 reg, |
| 980 | bool expected) |
| 981 | { |
| 982 | u32 assert_val = qed_rd(hwfn, ptt, reg); |
| 983 | |
| 984 | if (assert_val != expected) { |
| 985 | DP_NOTICE(hwfn, "Value at address 0x%x != 0x%08x\n", |
| 986 | reg, expected); |
| 987 | return -EINVAL; |
| 988 | } |
| 989 | |
| 990 | return 0; |
| 991 | } |
| 992 | |
| 993 | int qed_hw_reset(struct qed_dev *cdev) |
| 994 | { |
| 995 | int rc = 0; |
| 996 | u32 unload_resp, unload_param; |
| 997 | int i; |
| 998 | |
| 999 | for_each_hwfn(cdev, i) { |
| 1000 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 1001 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1002 | if (IS_VF(cdev)) { |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 1003 | rc = qed_vf_pf_reset(p_hwfn); |
| 1004 | if (rc) |
| 1005 | return rc; |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1006 | continue; |
| 1007 | } |
| 1008 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1009 | DP_VERBOSE(p_hwfn, NETIF_MSG_IFDOWN, "Resetting hw/fw\n"); |
| 1010 | |
| 1011 | /* Check for incorrect states */ |
| 1012 | qed_reg_assert(p_hwfn, p_hwfn->p_main_ptt, |
| 1013 | QM_REG_USG_CNT_PF_TX, 0); |
| 1014 | qed_reg_assert(p_hwfn, p_hwfn->p_main_ptt, |
| 1015 | QM_REG_USG_CNT_PF_OTHER, 0); |
| 1016 | |
| 1017 | /* Disable PF in HW blocks */ |
| 1018 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, DORQ_REG_PF_DB_ENABLE, 0); |
| 1019 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, QM_REG_PF_EN, 0); |
| 1020 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, |
| 1021 | TCFC_REG_STRONG_ENABLE_PF, 0); |
| 1022 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, |
| 1023 | CCFC_REG_STRONG_ENABLE_PF, 0); |
| 1024 | |
| 1025 | /* Send unload command to MCP */ |
| 1026 | rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, |
| 1027 | DRV_MSG_CODE_UNLOAD_REQ, |
| 1028 | DRV_MB_PARAM_UNLOAD_WOL_MCP, |
| 1029 | &unload_resp, &unload_param); |
| 1030 | if (rc) { |
| 1031 | DP_NOTICE(p_hwfn, "qed_hw_reset: UNLOAD_REQ failed\n"); |
| 1032 | unload_resp = FW_MSG_CODE_DRV_UNLOAD_ENGINE; |
| 1033 | } |
| 1034 | |
| 1035 | rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, |
| 1036 | DRV_MSG_CODE_UNLOAD_DONE, |
| 1037 | 0, &unload_resp, &unload_param); |
| 1038 | if (rc) { |
| 1039 | DP_NOTICE(p_hwfn, "qed_hw_reset: UNLOAD_DONE failed\n"); |
| 1040 | return rc; |
| 1041 | } |
| 1042 | } |
| 1043 | |
| 1044 | return rc; |
| 1045 | } |
| 1046 | |
| 1047 | /* Free hwfn memory and resources acquired in hw_hwfn_prepare */ |
| 1048 | static void qed_hw_hwfn_free(struct qed_hwfn *p_hwfn) |
| 1049 | { |
| 1050 | qed_ptt_pool_free(p_hwfn); |
| 1051 | kfree(p_hwfn->hw_info.p_igu_info); |
| 1052 | } |
| 1053 | |
| 1054 | /* Setup bar access */ |
Yuval Mintz | 12e09c6 | 2016-03-02 20:26:01 +0200 | [diff] [blame] | 1055 | static void qed_hw_hwfn_prepare(struct qed_hwfn *p_hwfn) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1056 | { |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1057 | /* clear indirect access */ |
| 1058 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, PGLUE_B_REG_PGL_ADDR_88_F0, 0); |
| 1059 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, PGLUE_B_REG_PGL_ADDR_8C_F0, 0); |
| 1060 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, PGLUE_B_REG_PGL_ADDR_90_F0, 0); |
| 1061 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, PGLUE_B_REG_PGL_ADDR_94_F0, 0); |
| 1062 | |
| 1063 | /* Clean Previous errors if such exist */ |
| 1064 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, |
| 1065 | PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR, |
| 1066 | 1 << p_hwfn->abs_pf_id); |
| 1067 | |
| 1068 | /* enable internal target-read */ |
| 1069 | qed_wr(p_hwfn, p_hwfn->p_main_ptt, |
| 1070 | PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1071 | } |
| 1072 | |
| 1073 | static void get_function_id(struct qed_hwfn *p_hwfn) |
| 1074 | { |
| 1075 | /* ME Register */ |
| 1076 | p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, PXP_PF_ME_OPAQUE_ADDR); |
| 1077 | |
| 1078 | p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, PXP_PF_ME_CONCRETE_ADDR); |
| 1079 | |
| 1080 | p_hwfn->abs_pf_id = (p_hwfn->hw_info.concrete_fid >> 16) & 0xf; |
| 1081 | p_hwfn->rel_pf_id = GET_FIELD(p_hwfn->hw_info.concrete_fid, |
| 1082 | PXP_CONCRETE_FID_PFID); |
| 1083 | p_hwfn->port_id = GET_FIELD(p_hwfn->hw_info.concrete_fid, |
| 1084 | PXP_CONCRETE_FID_PORT); |
| 1085 | } |
| 1086 | |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1087 | static void qed_hw_set_feat(struct qed_hwfn *p_hwfn) |
| 1088 | { |
| 1089 | u32 *feat_num = p_hwfn->hw_info.feat_num; |
| 1090 | int num_features = 1; |
| 1091 | |
| 1092 | feat_num[QED_PF_L2_QUE] = min_t(u32, RESC_NUM(p_hwfn, QED_SB) / |
| 1093 | num_features, |
| 1094 | RESC_NUM(p_hwfn, QED_L2_QUEUE)); |
| 1095 | DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, |
| 1096 | "#PF_L2_QUEUES=%d #SBS=%d num_features=%d\n", |
| 1097 | feat_num[QED_PF_L2_QUE], RESC_NUM(p_hwfn, QED_SB), |
| 1098 | num_features); |
| 1099 | } |
| 1100 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1101 | static void qed_hw_get_resc(struct qed_hwfn *p_hwfn) |
| 1102 | { |
| 1103 | u32 *resc_start = p_hwfn->hw_info.resc_start; |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1104 | u8 num_funcs = p_hwfn->num_funcs_on_engine; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1105 | u32 *resc_num = p_hwfn->hw_info.resc_num; |
Yuval Mintz | 4ac801b | 2016-02-28 12:26:52 +0200 | [diff] [blame] | 1106 | struct qed_sb_cnt_info sb_cnt_info; |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1107 | int i; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1108 | |
Yuval Mintz | 4ac801b | 2016-02-28 12:26:52 +0200 | [diff] [blame] | 1109 | memset(&sb_cnt_info, 0, sizeof(sb_cnt_info)); |
| 1110 | qed_int_get_num_sbs(p_hwfn, &sb_cnt_info); |
| 1111 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1112 | resc_num[QED_SB] = min_t(u32, |
| 1113 | (MAX_SB_PER_PATH_BB / num_funcs), |
Yuval Mintz | 4ac801b | 2016-02-28 12:26:52 +0200 | [diff] [blame] | 1114 | sb_cnt_info.sb_cnt); |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1115 | resc_num[QED_L2_QUEUE] = MAX_NUM_L2_QUEUES_BB / num_funcs; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1116 | resc_num[QED_VPORT] = MAX_NUM_VPORTS_BB / num_funcs; |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1117 | resc_num[QED_RSS_ENG] = ETH_RSS_ENGINE_NUM_BB / num_funcs; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1118 | resc_num[QED_PQ] = MAX_QM_TX_QUEUES_BB / num_funcs; |
| 1119 | resc_num[QED_RL] = 8; |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1120 | resc_num[QED_MAC] = ETH_NUM_MAC_FILTERS / num_funcs; |
| 1121 | resc_num[QED_VLAN] = (ETH_NUM_VLAN_FILTERS - 1 /*For vlan0*/) / |
| 1122 | num_funcs; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1123 | resc_num[QED_ILT] = 950; |
| 1124 | |
| 1125 | for (i = 0; i < QED_MAX_RESC; i++) |
| 1126 | resc_start[i] = resc_num[i] * p_hwfn->rel_pf_id; |
| 1127 | |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1128 | qed_hw_set_feat(p_hwfn); |
| 1129 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1130 | DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, |
| 1131 | "The numbers for each resource are:\n" |
| 1132 | "SB = %d start = %d\n" |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1133 | "L2_QUEUE = %d start = %d\n" |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1134 | "VPORT = %d start = %d\n" |
| 1135 | "PQ = %d start = %d\n" |
| 1136 | "RL = %d start = %d\n" |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1137 | "MAC = %d start = %d\n" |
| 1138 | "VLAN = %d start = %d\n" |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1139 | "ILT = %d start = %d\n", |
| 1140 | p_hwfn->hw_info.resc_num[QED_SB], |
| 1141 | p_hwfn->hw_info.resc_start[QED_SB], |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1142 | p_hwfn->hw_info.resc_num[QED_L2_QUEUE], |
| 1143 | p_hwfn->hw_info.resc_start[QED_L2_QUEUE], |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1144 | p_hwfn->hw_info.resc_num[QED_VPORT], |
| 1145 | p_hwfn->hw_info.resc_start[QED_VPORT], |
| 1146 | p_hwfn->hw_info.resc_num[QED_PQ], |
| 1147 | p_hwfn->hw_info.resc_start[QED_PQ], |
| 1148 | p_hwfn->hw_info.resc_num[QED_RL], |
| 1149 | p_hwfn->hw_info.resc_start[QED_RL], |
Yuval Mintz | 25c089d | 2015-10-26 11:02:26 +0200 | [diff] [blame] | 1150 | p_hwfn->hw_info.resc_num[QED_MAC], |
| 1151 | p_hwfn->hw_info.resc_start[QED_MAC], |
| 1152 | p_hwfn->hw_info.resc_num[QED_VLAN], |
| 1153 | p_hwfn->hw_info.resc_start[QED_VLAN], |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1154 | p_hwfn->hw_info.resc_num[QED_ILT], |
| 1155 | p_hwfn->hw_info.resc_start[QED_ILT]); |
| 1156 | } |
| 1157 | |
| 1158 | static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, |
| 1159 | struct qed_ptt *p_ptt) |
| 1160 | { |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 1161 | u32 nvm_cfg1_offset, mf_mode, addr, generic_cont0, core_cfg; |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1162 | u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities; |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 1163 | struct qed_mcp_link_params *link; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1164 | |
| 1165 | /* Read global nvm_cfg address */ |
| 1166 | nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0); |
| 1167 | |
| 1168 | /* Verify MCP has initialized it */ |
| 1169 | if (!nvm_cfg_addr) { |
| 1170 | DP_NOTICE(p_hwfn, "Shared memory not initialized\n"); |
| 1171 | return -EINVAL; |
| 1172 | } |
| 1173 | |
| 1174 | /* Read nvm_cfg1 (Notice this is just offset, and not offsize (TBD) */ |
| 1175 | nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4); |
| 1176 | |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 1177 | addr = MCP_REG_SCRATCH + nvm_cfg1_offset + |
| 1178 | offsetof(struct nvm_cfg1, glob) + |
| 1179 | offsetof(struct nvm_cfg1_glob, core_cfg); |
| 1180 | |
| 1181 | core_cfg = qed_rd(p_hwfn, p_ptt, addr); |
| 1182 | |
| 1183 | switch ((core_cfg & NVM_CFG1_GLOB_NETWORK_PORT_MODE_MASK) >> |
| 1184 | NVM_CFG1_GLOB_NETWORK_PORT_MODE_OFFSET) { |
| 1185 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_2X40G: |
| 1186 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X40G; |
| 1187 | break; |
| 1188 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_2X50G: |
| 1189 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X50G; |
| 1190 | break; |
| 1191 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_1X100G: |
| 1192 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X100G; |
| 1193 | break; |
| 1194 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_4X10G_F: |
| 1195 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X10G_F; |
| 1196 | break; |
| 1197 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_4X10G_E: |
| 1198 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X10G_E; |
| 1199 | break; |
| 1200 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_4X20G: |
| 1201 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X20G; |
| 1202 | break; |
| 1203 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_1X40G: |
| 1204 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X40G; |
| 1205 | break; |
| 1206 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_2X25G: |
| 1207 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X25G; |
| 1208 | break; |
| 1209 | case NVM_CFG1_GLOB_NETWORK_PORT_MODE_DE_1X25G: |
| 1210 | p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X25G; |
| 1211 | break; |
| 1212 | default: |
| 1213 | DP_NOTICE(p_hwfn, "Unknown port mode in 0x%08x\n", |
| 1214 | core_cfg); |
| 1215 | break; |
| 1216 | } |
| 1217 | |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 1218 | /* Read default link configuration */ |
| 1219 | link = &p_hwfn->mcp_info->link_input; |
| 1220 | port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset + |
| 1221 | offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]); |
| 1222 | link_temp = qed_rd(p_hwfn, p_ptt, |
| 1223 | port_cfg_addr + |
| 1224 | offsetof(struct nvm_cfg1_port, speed_cap_mask)); |
| 1225 | link->speed.advertised_speeds = |
| 1226 | link_temp & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_MASK; |
| 1227 | |
| 1228 | p_hwfn->mcp_info->link_capabilities.speed_capabilities = |
| 1229 | link->speed.advertised_speeds; |
| 1230 | |
| 1231 | link_temp = qed_rd(p_hwfn, p_ptt, |
| 1232 | port_cfg_addr + |
| 1233 | offsetof(struct nvm_cfg1_port, link_settings)); |
| 1234 | switch ((link_temp & NVM_CFG1_PORT_DRV_LINK_SPEED_MASK) >> |
| 1235 | NVM_CFG1_PORT_DRV_LINK_SPEED_OFFSET) { |
| 1236 | case NVM_CFG1_PORT_DRV_LINK_SPEED_AUTONEG: |
| 1237 | link->speed.autoneg = true; |
| 1238 | break; |
| 1239 | case NVM_CFG1_PORT_DRV_LINK_SPEED_1G: |
| 1240 | link->speed.forced_speed = 1000; |
| 1241 | break; |
| 1242 | case NVM_CFG1_PORT_DRV_LINK_SPEED_10G: |
| 1243 | link->speed.forced_speed = 10000; |
| 1244 | break; |
| 1245 | case NVM_CFG1_PORT_DRV_LINK_SPEED_25G: |
| 1246 | link->speed.forced_speed = 25000; |
| 1247 | break; |
| 1248 | case NVM_CFG1_PORT_DRV_LINK_SPEED_40G: |
| 1249 | link->speed.forced_speed = 40000; |
| 1250 | break; |
| 1251 | case NVM_CFG1_PORT_DRV_LINK_SPEED_50G: |
| 1252 | link->speed.forced_speed = 50000; |
| 1253 | break; |
| 1254 | case NVM_CFG1_PORT_DRV_LINK_SPEED_100G: |
| 1255 | link->speed.forced_speed = 100000; |
| 1256 | break; |
| 1257 | default: |
| 1258 | DP_NOTICE(p_hwfn, "Unknown Speed in 0x%08x\n", |
| 1259 | link_temp); |
| 1260 | } |
| 1261 | |
| 1262 | link_temp &= NVM_CFG1_PORT_DRV_FLOW_CONTROL_MASK; |
| 1263 | link_temp >>= NVM_CFG1_PORT_DRV_FLOW_CONTROL_OFFSET; |
| 1264 | link->pause.autoneg = !!(link_temp & |
| 1265 | NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG); |
| 1266 | link->pause.forced_rx = !!(link_temp & |
| 1267 | NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX); |
| 1268 | link->pause.forced_tx = !!(link_temp & |
| 1269 | NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX); |
| 1270 | link->loopback_mode = 0; |
| 1271 | |
| 1272 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 1273 | "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x\n", |
| 1274 | link->speed.forced_speed, link->speed.advertised_speeds, |
| 1275 | link->speed.autoneg, link->pause.autoneg); |
| 1276 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1277 | /* Read Multi-function information from shmem */ |
| 1278 | addr = MCP_REG_SCRATCH + nvm_cfg1_offset + |
| 1279 | offsetof(struct nvm_cfg1, glob) + |
| 1280 | offsetof(struct nvm_cfg1_glob, generic_cont0); |
| 1281 | |
| 1282 | generic_cont0 = qed_rd(p_hwfn, p_ptt, addr); |
| 1283 | |
| 1284 | mf_mode = (generic_cont0 & NVM_CFG1_GLOB_MF_MODE_MASK) >> |
| 1285 | NVM_CFG1_GLOB_MF_MODE_OFFSET; |
| 1286 | |
| 1287 | switch (mf_mode) { |
| 1288 | case NVM_CFG1_GLOB_MF_MODE_MF_ALLOWED: |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1289 | p_hwfn->cdev->mf_mode = QED_MF_OVLAN; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1290 | break; |
| 1291 | case NVM_CFG1_GLOB_MF_MODE_NPAR1_0: |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1292 | p_hwfn->cdev->mf_mode = QED_MF_NPAR; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1293 | break; |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1294 | case NVM_CFG1_GLOB_MF_MODE_DEFAULT: |
| 1295 | p_hwfn->cdev->mf_mode = QED_MF_DEFAULT; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1296 | break; |
| 1297 | } |
| 1298 | DP_INFO(p_hwfn, "Multi function mode is %08x\n", |
| 1299 | p_hwfn->cdev->mf_mode); |
| 1300 | |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1301 | /* Read Multi-function information from shmem */ |
| 1302 | addr = MCP_REG_SCRATCH + nvm_cfg1_offset + |
| 1303 | offsetof(struct nvm_cfg1, glob) + |
| 1304 | offsetof(struct nvm_cfg1_glob, device_capabilities); |
| 1305 | |
| 1306 | device_capabilities = qed_rd(p_hwfn, p_ptt, addr); |
| 1307 | if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ETHERNET) |
| 1308 | __set_bit(QED_DEV_CAP_ETH, |
| 1309 | &p_hwfn->hw_info.device_capabilities); |
| 1310 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1311 | return qed_mcp_fill_shmem_func_info(p_hwfn, p_ptt); |
| 1312 | } |
| 1313 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1314 | static void qed_get_num_funcs(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
| 1315 | { |
| 1316 | u32 reg_function_hide, tmp, eng_mask; |
| 1317 | u8 num_funcs; |
| 1318 | |
| 1319 | num_funcs = MAX_NUM_PFS_BB; |
| 1320 | |
| 1321 | /* Bit 0 of MISCS_REG_FUNCTION_HIDE indicates whether the bypass values |
| 1322 | * in the other bits are selected. |
| 1323 | * Bits 1-15 are for functions 1-15, respectively, and their value is |
| 1324 | * '0' only for enabled functions (function 0 always exists and |
| 1325 | * enabled). |
| 1326 | * In case of CMT, only the "even" functions are enabled, and thus the |
| 1327 | * number of functions for both hwfns is learnt from the same bits. |
| 1328 | */ |
| 1329 | reg_function_hide = qed_rd(p_hwfn, p_ptt, MISCS_REG_FUNCTION_HIDE); |
| 1330 | |
| 1331 | if (reg_function_hide & 0x1) { |
| 1332 | if (QED_PATH_ID(p_hwfn) && p_hwfn->cdev->num_hwfns == 1) { |
| 1333 | num_funcs = 0; |
| 1334 | eng_mask = 0xaaaa; |
| 1335 | } else { |
| 1336 | num_funcs = 1; |
| 1337 | eng_mask = 0x5554; |
| 1338 | } |
| 1339 | |
| 1340 | /* Get the number of the enabled functions on the engine */ |
| 1341 | tmp = (reg_function_hide ^ 0xffffffff) & eng_mask; |
| 1342 | while (tmp) { |
| 1343 | if (tmp & 0x1) |
| 1344 | num_funcs++; |
| 1345 | tmp >>= 0x1; |
| 1346 | } |
| 1347 | } |
| 1348 | |
| 1349 | p_hwfn->num_funcs_on_engine = num_funcs; |
| 1350 | |
| 1351 | DP_VERBOSE(p_hwfn, |
| 1352 | NETIF_MSG_PROBE, |
| 1353 | "PF [rel_id %d, abs_id %d] within the %d enabled functions on the engine\n", |
| 1354 | p_hwfn->rel_pf_id, |
| 1355 | p_hwfn->abs_pf_id, |
| 1356 | p_hwfn->num_funcs_on_engine); |
| 1357 | } |
| 1358 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1359 | static int |
| 1360 | qed_get_hw_info(struct qed_hwfn *p_hwfn, |
| 1361 | struct qed_ptt *p_ptt, |
| 1362 | enum qed_pci_personality personality) |
| 1363 | { |
| 1364 | u32 port_mode; |
| 1365 | int rc; |
| 1366 | |
Yuval Mintz | 32a47e7 | 2016-05-11 16:36:12 +0300 | [diff] [blame] | 1367 | /* Since all information is common, only first hwfns should do this */ |
| 1368 | if (IS_LEAD_HWFN(p_hwfn)) { |
| 1369 | rc = qed_iov_hw_info(p_hwfn); |
| 1370 | if (rc) |
| 1371 | return rc; |
| 1372 | } |
| 1373 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1374 | /* Read the port mode */ |
| 1375 | port_mode = qed_rd(p_hwfn, p_ptt, |
| 1376 | CNIG_REG_NW_PORT_MODE_BB_B0); |
| 1377 | |
| 1378 | if (port_mode < 3) { |
| 1379 | p_hwfn->cdev->num_ports_in_engines = 1; |
| 1380 | } else if (port_mode <= 5) { |
| 1381 | p_hwfn->cdev->num_ports_in_engines = 2; |
| 1382 | } else { |
| 1383 | DP_NOTICE(p_hwfn, "PORT MODE: %d not supported\n", |
| 1384 | p_hwfn->cdev->num_ports_in_engines); |
| 1385 | |
| 1386 | /* Default num_ports_in_engines to something */ |
| 1387 | p_hwfn->cdev->num_ports_in_engines = 1; |
| 1388 | } |
| 1389 | |
| 1390 | qed_hw_get_nvm_info(p_hwfn, p_ptt); |
| 1391 | |
| 1392 | rc = qed_int_igu_read_cam(p_hwfn, p_ptt); |
| 1393 | if (rc) |
| 1394 | return rc; |
| 1395 | |
| 1396 | if (qed_mcp_is_init(p_hwfn)) |
| 1397 | ether_addr_copy(p_hwfn->hw_info.hw_mac_addr, |
| 1398 | p_hwfn->mcp_info->func_info.mac); |
| 1399 | else |
| 1400 | eth_random_addr(p_hwfn->hw_info.hw_mac_addr); |
| 1401 | |
| 1402 | if (qed_mcp_is_init(p_hwfn)) { |
| 1403 | if (p_hwfn->mcp_info->func_info.ovlan != QED_MCP_VLAN_UNSET) |
| 1404 | p_hwfn->hw_info.ovlan = |
| 1405 | p_hwfn->mcp_info->func_info.ovlan; |
| 1406 | |
| 1407 | qed_mcp_cmd_port_init(p_hwfn, p_ptt); |
| 1408 | } |
| 1409 | |
| 1410 | if (qed_mcp_is_init(p_hwfn)) { |
| 1411 | enum qed_pci_personality protocol; |
| 1412 | |
| 1413 | protocol = p_hwfn->mcp_info->func_info.protocol; |
| 1414 | p_hwfn->hw_info.personality = protocol; |
| 1415 | } |
| 1416 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1417 | qed_get_num_funcs(p_hwfn, p_ptt); |
| 1418 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1419 | qed_hw_get_resc(p_hwfn); |
| 1420 | |
| 1421 | return rc; |
| 1422 | } |
| 1423 | |
Yuval Mintz | 12e09c6 | 2016-03-02 20:26:01 +0200 | [diff] [blame] | 1424 | static int qed_get_dev_info(struct qed_dev *cdev) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1425 | { |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1426 | struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1427 | u32 tmp; |
| 1428 | |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1429 | /* Read Vendor Id / Device Id */ |
| 1430 | pci_read_config_word(cdev->pdev, PCI_VENDOR_ID, |
| 1431 | &cdev->vendor_id); |
| 1432 | pci_read_config_word(cdev->pdev, PCI_DEVICE_ID, |
| 1433 | &cdev->device_id); |
| 1434 | cdev->chip_num = (u16)qed_rd(p_hwfn, p_hwfn->p_main_ptt, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1435 | MISCS_REG_CHIP_NUM); |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1436 | cdev->chip_rev = (u16)qed_rd(p_hwfn, p_hwfn->p_main_ptt, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1437 | MISCS_REG_CHIP_REV); |
| 1438 | MASK_FIELD(CHIP_REV, cdev->chip_rev); |
| 1439 | |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1440 | cdev->type = QED_DEV_TYPE_BB; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1441 | /* Learn number of HW-functions */ |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1442 | tmp = qed_rd(p_hwfn, p_hwfn->p_main_ptt, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1443 | MISCS_REG_CMT_ENABLED_FOR_PAIR); |
| 1444 | |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1445 | if (tmp & (1 << p_hwfn->rel_pf_id)) { |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1446 | DP_NOTICE(cdev->hwfns, "device in CMT mode\n"); |
| 1447 | cdev->num_hwfns = 2; |
| 1448 | } else { |
| 1449 | cdev->num_hwfns = 1; |
| 1450 | } |
| 1451 | |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1452 | cdev->chip_bond_id = qed_rd(p_hwfn, p_hwfn->p_main_ptt, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1453 | MISCS_REG_CHIP_TEST_REG) >> 4; |
| 1454 | MASK_FIELD(CHIP_BOND_ID, cdev->chip_bond_id); |
Yuval Mintz | fc48b7a | 2016-02-15 13:22:35 -0500 | [diff] [blame] | 1455 | cdev->chip_metal = (u16)qed_rd(p_hwfn, p_hwfn->p_main_ptt, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1456 | MISCS_REG_CHIP_METAL); |
| 1457 | MASK_FIELD(CHIP_METAL, cdev->chip_metal); |
| 1458 | |
| 1459 | DP_INFO(cdev->hwfns, |
| 1460 | "Chip details - Num: %04x Rev: %04x Bond id: %04x Metal: %04x\n", |
| 1461 | cdev->chip_num, cdev->chip_rev, |
| 1462 | cdev->chip_bond_id, cdev->chip_metal); |
Yuval Mintz | 12e09c6 | 2016-03-02 20:26:01 +0200 | [diff] [blame] | 1463 | |
| 1464 | if (QED_IS_BB(cdev) && CHIP_REV_IS_A0(cdev)) { |
| 1465 | DP_NOTICE(cdev->hwfns, |
| 1466 | "The chip type/rev (BB A0) is not supported!\n"); |
| 1467 | return -EINVAL; |
| 1468 | } |
| 1469 | |
| 1470 | return 0; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1471 | } |
| 1472 | |
| 1473 | static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn, |
| 1474 | void __iomem *p_regview, |
| 1475 | void __iomem *p_doorbells, |
| 1476 | enum qed_pci_personality personality) |
| 1477 | { |
| 1478 | int rc = 0; |
| 1479 | |
| 1480 | /* Split PCI bars evenly between hwfns */ |
| 1481 | p_hwfn->regview = p_regview; |
| 1482 | p_hwfn->doorbells = p_doorbells; |
| 1483 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1484 | if (IS_VF(p_hwfn->cdev)) |
| 1485 | return qed_vf_hw_prepare(p_hwfn); |
| 1486 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1487 | /* Validate that chip access is feasible */ |
| 1488 | if (REG_RD(p_hwfn, PXP_PF_ME_OPAQUE_ADDR) == 0xffffffff) { |
| 1489 | DP_ERR(p_hwfn, |
| 1490 | "Reading the ME register returns all Fs; Preventing further chip access\n"); |
| 1491 | return -EINVAL; |
| 1492 | } |
| 1493 | |
| 1494 | get_function_id(p_hwfn); |
| 1495 | |
Yuval Mintz | 12e09c6 | 2016-03-02 20:26:01 +0200 | [diff] [blame] | 1496 | /* Allocate PTT pool */ |
| 1497 | rc = qed_ptt_pool_alloc(p_hwfn); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1498 | if (rc) { |
| 1499 | DP_NOTICE(p_hwfn, "Failed to prepare hwfn's hw\n"); |
| 1500 | goto err0; |
| 1501 | } |
| 1502 | |
Yuval Mintz | 12e09c6 | 2016-03-02 20:26:01 +0200 | [diff] [blame] | 1503 | /* Allocate the main PTT */ |
| 1504 | p_hwfn->p_main_ptt = qed_get_reserved_ptt(p_hwfn, RESERVED_PTT_MAIN); |
| 1505 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1506 | /* First hwfn learns basic information, e.g., number of hwfns */ |
Yuval Mintz | 12e09c6 | 2016-03-02 20:26:01 +0200 | [diff] [blame] | 1507 | if (!p_hwfn->my_id) { |
| 1508 | rc = qed_get_dev_info(p_hwfn->cdev); |
| 1509 | if (rc != 0) |
| 1510 | goto err1; |
| 1511 | } |
| 1512 | |
| 1513 | qed_hw_hwfn_prepare(p_hwfn); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1514 | |
| 1515 | /* Initialize MCP structure */ |
| 1516 | rc = qed_mcp_cmd_init(p_hwfn, p_hwfn->p_main_ptt); |
| 1517 | if (rc) { |
| 1518 | DP_NOTICE(p_hwfn, "Failed initializing mcp command\n"); |
| 1519 | goto err1; |
| 1520 | } |
| 1521 | |
| 1522 | /* Read the device configuration information from the HW and SHMEM */ |
| 1523 | rc = qed_get_hw_info(p_hwfn, p_hwfn->p_main_ptt, personality); |
| 1524 | if (rc) { |
| 1525 | DP_NOTICE(p_hwfn, "Failed to get HW information\n"); |
| 1526 | goto err2; |
| 1527 | } |
| 1528 | |
| 1529 | /* Allocate the init RT array and initialize the init-ops engine */ |
| 1530 | rc = qed_init_alloc(p_hwfn); |
| 1531 | if (rc) { |
| 1532 | DP_NOTICE(p_hwfn, "Failed to allocate the init array\n"); |
| 1533 | goto err2; |
| 1534 | } |
| 1535 | |
| 1536 | return rc; |
| 1537 | err2: |
Yuval Mintz | 32a47e7 | 2016-05-11 16:36:12 +0300 | [diff] [blame] | 1538 | if (IS_LEAD_HWFN(p_hwfn)) |
| 1539 | qed_iov_free_hw_info(p_hwfn->cdev); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1540 | qed_mcp_free(p_hwfn); |
| 1541 | err1: |
| 1542 | qed_hw_hwfn_free(p_hwfn); |
| 1543 | err0: |
| 1544 | return rc; |
| 1545 | } |
| 1546 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1547 | int qed_hw_prepare(struct qed_dev *cdev, |
| 1548 | int personality) |
| 1549 | { |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1550 | struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); |
| 1551 | int rc; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1552 | |
| 1553 | /* Store the precompiled init data ptrs */ |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1554 | if (IS_PF(cdev)) |
| 1555 | qed_init_iro_array(cdev); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1556 | |
| 1557 | /* Initialize the first hwfn - will learn number of hwfns */ |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1558 | rc = qed_hw_prepare_single(p_hwfn, |
| 1559 | cdev->regview, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1560 | cdev->doorbells, personality); |
| 1561 | if (rc) |
| 1562 | return rc; |
| 1563 | |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1564 | personality = p_hwfn->hw_info.personality; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1565 | |
| 1566 | /* Initialize the rest of the hwfns */ |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1567 | if (cdev->num_hwfns > 1) { |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1568 | void __iomem *p_regview, *p_doorbell; |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1569 | u8 __iomem *addr; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1570 | |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1571 | /* adjust bar offset for second engine */ |
Ram Amrani | c2035ee | 2016-03-02 20:26:00 +0200 | [diff] [blame] | 1572 | addr = cdev->regview + qed_hw_bar_size(p_hwfn, BAR_ID_0) / 2; |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1573 | p_regview = addr; |
| 1574 | |
| 1575 | /* adjust doorbell bar offset for second engine */ |
Ram Amrani | c2035ee | 2016-03-02 20:26:00 +0200 | [diff] [blame] | 1576 | addr = cdev->doorbells + qed_hw_bar_size(p_hwfn, BAR_ID_1) / 2; |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1577 | p_doorbell = addr; |
| 1578 | |
| 1579 | /* prepare second hw function */ |
| 1580 | rc = qed_hw_prepare_single(&cdev->hwfns[1], p_regview, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1581 | p_doorbell, personality); |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1582 | |
| 1583 | /* in case of error, need to free the previously |
| 1584 | * initiliazed hwfn 0. |
| 1585 | */ |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1586 | if (rc) { |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1587 | if (IS_PF(cdev)) { |
| 1588 | qed_init_free(p_hwfn); |
| 1589 | qed_mcp_free(p_hwfn); |
| 1590 | qed_hw_hwfn_free(p_hwfn); |
| 1591 | } |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1592 | } |
| 1593 | } |
| 1594 | |
Ariel Elior | c78df14 | 2015-12-07 06:25:58 -0500 | [diff] [blame] | 1595 | return rc; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1596 | } |
| 1597 | |
| 1598 | void qed_hw_remove(struct qed_dev *cdev) |
| 1599 | { |
| 1600 | int i; |
| 1601 | |
| 1602 | for_each_hwfn(cdev, i) { |
| 1603 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 1604 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1605 | if (IS_VF(cdev)) { |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 1606 | qed_vf_pf_release(p_hwfn); |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1607 | continue; |
| 1608 | } |
| 1609 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1610 | qed_init_free(p_hwfn); |
| 1611 | qed_hw_hwfn_free(p_hwfn); |
| 1612 | qed_mcp_free(p_hwfn); |
| 1613 | } |
Yuval Mintz | 32a47e7 | 2016-05-11 16:36:12 +0300 | [diff] [blame] | 1614 | |
| 1615 | qed_iov_free_hw_info(cdev); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1616 | } |
| 1617 | |
| 1618 | int qed_chain_alloc(struct qed_dev *cdev, |
| 1619 | enum qed_chain_use_mode intended_use, |
| 1620 | enum qed_chain_mode mode, |
| 1621 | u16 num_elems, |
| 1622 | size_t elem_size, |
| 1623 | struct qed_chain *p_chain) |
| 1624 | { |
| 1625 | dma_addr_t p_pbl_phys = 0; |
| 1626 | void *p_pbl_virt = NULL; |
| 1627 | dma_addr_t p_phys = 0; |
| 1628 | void *p_virt = NULL; |
| 1629 | u16 page_cnt = 0; |
| 1630 | size_t size; |
| 1631 | |
| 1632 | if (mode == QED_CHAIN_MODE_SINGLE) |
| 1633 | page_cnt = 1; |
| 1634 | else |
| 1635 | page_cnt = QED_CHAIN_PAGE_CNT(num_elems, elem_size, mode); |
| 1636 | |
| 1637 | size = page_cnt * QED_CHAIN_PAGE_SIZE; |
| 1638 | p_virt = dma_alloc_coherent(&cdev->pdev->dev, |
| 1639 | size, &p_phys, GFP_KERNEL); |
| 1640 | if (!p_virt) { |
| 1641 | DP_NOTICE(cdev, "Failed to allocate chain mem\n"); |
| 1642 | goto nomem; |
| 1643 | } |
| 1644 | |
| 1645 | if (mode == QED_CHAIN_MODE_PBL) { |
| 1646 | size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE; |
| 1647 | p_pbl_virt = dma_alloc_coherent(&cdev->pdev->dev, |
| 1648 | size, &p_pbl_phys, |
| 1649 | GFP_KERNEL); |
| 1650 | if (!p_pbl_virt) { |
| 1651 | DP_NOTICE(cdev, "Failed to allocate chain pbl mem\n"); |
| 1652 | goto nomem; |
| 1653 | } |
| 1654 | |
| 1655 | qed_chain_pbl_init(p_chain, p_virt, p_phys, page_cnt, |
| 1656 | (u8)elem_size, intended_use, |
| 1657 | p_pbl_phys, p_pbl_virt); |
| 1658 | } else { |
| 1659 | qed_chain_init(p_chain, p_virt, p_phys, page_cnt, |
| 1660 | (u8)elem_size, intended_use, mode); |
| 1661 | } |
| 1662 | |
| 1663 | return 0; |
| 1664 | |
| 1665 | nomem: |
| 1666 | dma_free_coherent(&cdev->pdev->dev, |
| 1667 | page_cnt * QED_CHAIN_PAGE_SIZE, |
| 1668 | p_virt, p_phys); |
| 1669 | dma_free_coherent(&cdev->pdev->dev, |
| 1670 | page_cnt * QED_CHAIN_PBL_ENTRY_SIZE, |
| 1671 | p_pbl_virt, p_pbl_phys); |
| 1672 | |
| 1673 | return -ENOMEM; |
| 1674 | } |
| 1675 | |
| 1676 | void qed_chain_free(struct qed_dev *cdev, |
| 1677 | struct qed_chain *p_chain) |
| 1678 | { |
| 1679 | size_t size; |
| 1680 | |
| 1681 | if (!p_chain->p_virt_addr) |
| 1682 | return; |
| 1683 | |
| 1684 | if (p_chain->mode == QED_CHAIN_MODE_PBL) { |
| 1685 | size = p_chain->page_cnt * QED_CHAIN_PBL_ENTRY_SIZE; |
| 1686 | dma_free_coherent(&cdev->pdev->dev, size, |
| 1687 | p_chain->pbl.p_virt_table, |
| 1688 | p_chain->pbl.p_phys_table); |
| 1689 | } |
| 1690 | |
| 1691 | size = p_chain->page_cnt * QED_CHAIN_PAGE_SIZE; |
| 1692 | dma_free_coherent(&cdev->pdev->dev, size, |
| 1693 | p_chain->p_virt_addr, |
| 1694 | p_chain->p_phys_addr); |
| 1695 | } |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 1696 | |
| 1697 | int qed_fw_l2_queue(struct qed_hwfn *p_hwfn, |
| 1698 | u16 src_id, u16 *dst_id) |
| 1699 | { |
| 1700 | if (src_id >= RESC_NUM(p_hwfn, QED_L2_QUEUE)) { |
| 1701 | u16 min, max; |
| 1702 | |
| 1703 | min = (u16)RESC_START(p_hwfn, QED_L2_QUEUE); |
| 1704 | max = min + RESC_NUM(p_hwfn, QED_L2_QUEUE); |
| 1705 | DP_NOTICE(p_hwfn, |
| 1706 | "l2_queue id [%d] is not valid, available indices [%d - %d]\n", |
| 1707 | src_id, min, max); |
| 1708 | |
| 1709 | return -EINVAL; |
| 1710 | } |
| 1711 | |
| 1712 | *dst_id = RESC_START(p_hwfn, QED_L2_QUEUE) + src_id; |
| 1713 | |
| 1714 | return 0; |
| 1715 | } |
| 1716 | |
| 1717 | int qed_fw_vport(struct qed_hwfn *p_hwfn, |
| 1718 | u8 src_id, u8 *dst_id) |
| 1719 | { |
| 1720 | if (src_id >= RESC_NUM(p_hwfn, QED_VPORT)) { |
| 1721 | u8 min, max; |
| 1722 | |
| 1723 | min = (u8)RESC_START(p_hwfn, QED_VPORT); |
| 1724 | max = min + RESC_NUM(p_hwfn, QED_VPORT); |
| 1725 | DP_NOTICE(p_hwfn, |
| 1726 | "vport id [%d] is not valid, available indices [%d - %d]\n", |
| 1727 | src_id, min, max); |
| 1728 | |
| 1729 | return -EINVAL; |
| 1730 | } |
| 1731 | |
| 1732 | *dst_id = RESC_START(p_hwfn, QED_VPORT) + src_id; |
| 1733 | |
| 1734 | return 0; |
| 1735 | } |
| 1736 | |
| 1737 | int qed_fw_rss_eng(struct qed_hwfn *p_hwfn, |
| 1738 | u8 src_id, u8 *dst_id) |
| 1739 | { |
| 1740 | if (src_id >= RESC_NUM(p_hwfn, QED_RSS_ENG)) { |
| 1741 | u8 min, max; |
| 1742 | |
| 1743 | min = (u8)RESC_START(p_hwfn, QED_RSS_ENG); |
| 1744 | max = min + RESC_NUM(p_hwfn, QED_RSS_ENG); |
| 1745 | DP_NOTICE(p_hwfn, |
| 1746 | "rss_eng id [%d] is not valid, available indices [%d - %d]\n", |
| 1747 | src_id, min, max); |
| 1748 | |
| 1749 | return -EINVAL; |
| 1750 | } |
| 1751 | |
| 1752 | *dst_id = RESC_START(p_hwfn, QED_RSS_ENG) + src_id; |
| 1753 | |
| 1754 | return 0; |
| 1755 | } |
Manish Chopra | bcd197c | 2016-04-26 10:56:08 -0400 | [diff] [blame] | 1756 | |
| 1757 | /* Calculate final WFQ values for all vports and configure them. |
| 1758 | * After this configuration each vport will have |
| 1759 | * approx min rate = min_pf_rate * (vport_wfq / QED_WFQ_UNIT) |
| 1760 | */ |
| 1761 | static void qed_configure_wfq_for_all_vports(struct qed_hwfn *p_hwfn, |
| 1762 | struct qed_ptt *p_ptt, |
| 1763 | u32 min_pf_rate) |
| 1764 | { |
| 1765 | struct init_qm_vport_params *vport_params; |
| 1766 | int i; |
| 1767 | |
| 1768 | vport_params = p_hwfn->qm_info.qm_vport_params; |
| 1769 | |
| 1770 | for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { |
| 1771 | u32 wfq_speed = p_hwfn->qm_info.wfq_data[i].min_speed; |
| 1772 | |
| 1773 | vport_params[i].vport_wfq = (wfq_speed * QED_WFQ_UNIT) / |
| 1774 | min_pf_rate; |
| 1775 | qed_init_vport_wfq(p_hwfn, p_ptt, |
| 1776 | vport_params[i].first_tx_pq_id, |
| 1777 | vport_params[i].vport_wfq); |
| 1778 | } |
| 1779 | } |
| 1780 | |
| 1781 | static void qed_init_wfq_default_param(struct qed_hwfn *p_hwfn, |
| 1782 | u32 min_pf_rate) |
| 1783 | |
| 1784 | { |
| 1785 | int i; |
| 1786 | |
| 1787 | for (i = 0; i < p_hwfn->qm_info.num_vports; i++) |
| 1788 | p_hwfn->qm_info.qm_vport_params[i].vport_wfq = 1; |
| 1789 | } |
| 1790 | |
| 1791 | static void qed_disable_wfq_for_all_vports(struct qed_hwfn *p_hwfn, |
| 1792 | struct qed_ptt *p_ptt, |
| 1793 | u32 min_pf_rate) |
| 1794 | { |
| 1795 | struct init_qm_vport_params *vport_params; |
| 1796 | int i; |
| 1797 | |
| 1798 | vport_params = p_hwfn->qm_info.qm_vport_params; |
| 1799 | |
| 1800 | for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { |
| 1801 | qed_init_wfq_default_param(p_hwfn, min_pf_rate); |
| 1802 | qed_init_vport_wfq(p_hwfn, p_ptt, |
| 1803 | vport_params[i].first_tx_pq_id, |
| 1804 | vport_params[i].vport_wfq); |
| 1805 | } |
| 1806 | } |
| 1807 | |
| 1808 | /* This function performs several validations for WFQ |
| 1809 | * configuration and required min rate for a given vport |
| 1810 | * 1. req_rate must be greater than one percent of min_pf_rate. |
| 1811 | * 2. req_rate should not cause other vports [not configured for WFQ explicitly] |
| 1812 | * rates to get less than one percent of min_pf_rate. |
| 1813 | * 3. total_req_min_rate [all vports min rate sum] shouldn't exceed min_pf_rate. |
| 1814 | */ |
| 1815 | static int qed_init_wfq_param(struct qed_hwfn *p_hwfn, |
| 1816 | u16 vport_id, u32 req_rate, |
| 1817 | u32 min_pf_rate) |
| 1818 | { |
| 1819 | u32 total_req_min_rate = 0, total_left_rate = 0, left_rate_per_vp = 0; |
| 1820 | int non_requested_count = 0, req_count = 0, i, num_vports; |
| 1821 | |
| 1822 | num_vports = p_hwfn->qm_info.num_vports; |
| 1823 | |
| 1824 | /* Accounting for the vports which are configured for WFQ explicitly */ |
| 1825 | for (i = 0; i < num_vports; i++) { |
| 1826 | u32 tmp_speed; |
| 1827 | |
| 1828 | if ((i != vport_id) && |
| 1829 | p_hwfn->qm_info.wfq_data[i].configured) { |
| 1830 | req_count++; |
| 1831 | tmp_speed = p_hwfn->qm_info.wfq_data[i].min_speed; |
| 1832 | total_req_min_rate += tmp_speed; |
| 1833 | } |
| 1834 | } |
| 1835 | |
| 1836 | /* Include current vport data as well */ |
| 1837 | req_count++; |
| 1838 | total_req_min_rate += req_rate; |
| 1839 | non_requested_count = num_vports - req_count; |
| 1840 | |
| 1841 | if (req_rate < min_pf_rate / QED_WFQ_UNIT) { |
| 1842 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 1843 | "Vport [%d] - Requested rate[%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n", |
| 1844 | vport_id, req_rate, min_pf_rate); |
| 1845 | return -EINVAL; |
| 1846 | } |
| 1847 | |
| 1848 | if (num_vports > QED_WFQ_UNIT) { |
| 1849 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 1850 | "Number of vports is greater than %d\n", |
| 1851 | QED_WFQ_UNIT); |
| 1852 | return -EINVAL; |
| 1853 | } |
| 1854 | |
| 1855 | if (total_req_min_rate > min_pf_rate) { |
| 1856 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 1857 | "Total requested min rate for all vports[%d Mbps] is greater than configured PF min rate[%d Mbps]\n", |
| 1858 | total_req_min_rate, min_pf_rate); |
| 1859 | return -EINVAL; |
| 1860 | } |
| 1861 | |
| 1862 | total_left_rate = min_pf_rate - total_req_min_rate; |
| 1863 | |
| 1864 | left_rate_per_vp = total_left_rate / non_requested_count; |
| 1865 | if (left_rate_per_vp < min_pf_rate / QED_WFQ_UNIT) { |
| 1866 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 1867 | "Non WFQ configured vports rate [%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n", |
| 1868 | left_rate_per_vp, min_pf_rate); |
| 1869 | return -EINVAL; |
| 1870 | } |
| 1871 | |
| 1872 | p_hwfn->qm_info.wfq_data[vport_id].min_speed = req_rate; |
| 1873 | p_hwfn->qm_info.wfq_data[vport_id].configured = true; |
| 1874 | |
| 1875 | for (i = 0; i < num_vports; i++) { |
| 1876 | if (p_hwfn->qm_info.wfq_data[i].configured) |
| 1877 | continue; |
| 1878 | |
| 1879 | p_hwfn->qm_info.wfq_data[i].min_speed = left_rate_per_vp; |
| 1880 | } |
| 1881 | |
| 1882 | return 0; |
| 1883 | } |
| 1884 | |
| 1885 | static int __qed_configure_vp_wfq_on_link_change(struct qed_hwfn *p_hwfn, |
| 1886 | struct qed_ptt *p_ptt, |
| 1887 | u32 min_pf_rate) |
| 1888 | { |
| 1889 | bool use_wfq = false; |
| 1890 | int rc = 0; |
| 1891 | u16 i; |
| 1892 | |
| 1893 | /* Validate all pre configured vports for wfq */ |
| 1894 | for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { |
| 1895 | u32 rate; |
| 1896 | |
| 1897 | if (!p_hwfn->qm_info.wfq_data[i].configured) |
| 1898 | continue; |
| 1899 | |
| 1900 | rate = p_hwfn->qm_info.wfq_data[i].min_speed; |
| 1901 | use_wfq = true; |
| 1902 | |
| 1903 | rc = qed_init_wfq_param(p_hwfn, i, rate, min_pf_rate); |
| 1904 | if (rc) { |
| 1905 | DP_NOTICE(p_hwfn, |
| 1906 | "WFQ validation failed while configuring min rate\n"); |
| 1907 | break; |
| 1908 | } |
| 1909 | } |
| 1910 | |
| 1911 | if (!rc && use_wfq) |
| 1912 | qed_configure_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate); |
| 1913 | else |
| 1914 | qed_disable_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate); |
| 1915 | |
| 1916 | return rc; |
| 1917 | } |
| 1918 | |
| 1919 | /* API to configure WFQ from mcp link change */ |
| 1920 | void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev, u32 min_pf_rate) |
| 1921 | { |
| 1922 | int i; |
| 1923 | |
| 1924 | for_each_hwfn(cdev, i) { |
| 1925 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 1926 | |
| 1927 | __qed_configure_vp_wfq_on_link_change(p_hwfn, |
| 1928 | p_hwfn->p_dpc_ptt, |
| 1929 | min_pf_rate); |
| 1930 | } |
| 1931 | } |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 1932 | |
| 1933 | int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn, |
| 1934 | struct qed_ptt *p_ptt, |
| 1935 | struct qed_mcp_link_state *p_link, |
| 1936 | u8 max_bw) |
| 1937 | { |
| 1938 | int rc = 0; |
| 1939 | |
| 1940 | p_hwfn->mcp_info->func_info.bandwidth_max = max_bw; |
| 1941 | |
| 1942 | if (!p_link->line_speed && (max_bw != 100)) |
| 1943 | return rc; |
| 1944 | |
| 1945 | p_link->speed = (p_link->line_speed * max_bw) / 100; |
| 1946 | p_hwfn->qm_info.pf_rl = p_link->speed; |
| 1947 | |
| 1948 | /* Since the limiter also affects Tx-switched traffic, we don't want it |
| 1949 | * to limit such traffic in case there's no actual limit. |
| 1950 | * In that case, set limit to imaginary high boundary. |
| 1951 | */ |
| 1952 | if (max_bw == 100) |
| 1953 | p_hwfn->qm_info.pf_rl = 100000; |
| 1954 | |
| 1955 | rc = qed_init_pf_rl(p_hwfn, p_ptt, p_hwfn->rel_pf_id, |
| 1956 | p_hwfn->qm_info.pf_rl); |
| 1957 | |
| 1958 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 1959 | "Configured MAX bandwidth to be %08x Mb/sec\n", |
| 1960 | p_link->speed); |
| 1961 | |
| 1962 | return rc; |
| 1963 | } |
| 1964 | |
| 1965 | /* Main API to configure PF max bandwidth where bw range is [1 - 100] */ |
| 1966 | int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw) |
| 1967 | { |
| 1968 | int i, rc = -EINVAL; |
| 1969 | |
| 1970 | if (max_bw < 1 || max_bw > 100) { |
| 1971 | DP_NOTICE(cdev, "PF max bw valid range is [1-100]\n"); |
| 1972 | return rc; |
| 1973 | } |
| 1974 | |
| 1975 | for_each_hwfn(cdev, i) { |
| 1976 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 1977 | struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev); |
| 1978 | struct qed_mcp_link_state *p_link; |
| 1979 | struct qed_ptt *p_ptt; |
| 1980 | |
| 1981 | p_link = &p_lead->mcp_info->link_output; |
| 1982 | |
| 1983 | p_ptt = qed_ptt_acquire(p_hwfn); |
| 1984 | if (!p_ptt) |
| 1985 | return -EBUSY; |
| 1986 | |
| 1987 | rc = __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, |
| 1988 | p_link, max_bw); |
| 1989 | |
| 1990 | qed_ptt_release(p_hwfn, p_ptt); |
| 1991 | |
| 1992 | if (rc) |
| 1993 | break; |
| 1994 | } |
| 1995 | |
| 1996 | return rc; |
| 1997 | } |
Manish Chopra | a64b02d | 2016-04-26 10:56:10 -0400 | [diff] [blame] | 1998 | |
| 1999 | int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn, |
| 2000 | struct qed_ptt *p_ptt, |
| 2001 | struct qed_mcp_link_state *p_link, |
| 2002 | u8 min_bw) |
| 2003 | { |
| 2004 | int rc = 0; |
| 2005 | |
| 2006 | p_hwfn->mcp_info->func_info.bandwidth_min = min_bw; |
| 2007 | p_hwfn->qm_info.pf_wfq = min_bw; |
| 2008 | |
| 2009 | if (!p_link->line_speed) |
| 2010 | return rc; |
| 2011 | |
| 2012 | p_link->min_pf_rate = (p_link->line_speed * min_bw) / 100; |
| 2013 | |
| 2014 | rc = qed_init_pf_wfq(p_hwfn, p_ptt, p_hwfn->rel_pf_id, min_bw); |
| 2015 | |
| 2016 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 2017 | "Configured MIN bandwidth to be %d Mb/sec\n", |
| 2018 | p_link->min_pf_rate); |
| 2019 | |
| 2020 | return rc; |
| 2021 | } |
| 2022 | |
| 2023 | /* Main API to configure PF min bandwidth where bw range is [1-100] */ |
| 2024 | int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw) |
| 2025 | { |
| 2026 | int i, rc = -EINVAL; |
| 2027 | |
| 2028 | if (min_bw < 1 || min_bw > 100) { |
| 2029 | DP_NOTICE(cdev, "PF min bw valid range is [1-100]\n"); |
| 2030 | return rc; |
| 2031 | } |
| 2032 | |
| 2033 | for_each_hwfn(cdev, i) { |
| 2034 | struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; |
| 2035 | struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev); |
| 2036 | struct qed_mcp_link_state *p_link; |
| 2037 | struct qed_ptt *p_ptt; |
| 2038 | |
| 2039 | p_link = &p_lead->mcp_info->link_output; |
| 2040 | |
| 2041 | p_ptt = qed_ptt_acquire(p_hwfn); |
| 2042 | if (!p_ptt) |
| 2043 | return -EBUSY; |
| 2044 | |
| 2045 | rc = __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, |
| 2046 | p_link, min_bw); |
| 2047 | if (rc) { |
| 2048 | qed_ptt_release(p_hwfn, p_ptt); |
| 2049 | return rc; |
| 2050 | } |
| 2051 | |
| 2052 | if (p_link->min_pf_rate) { |
| 2053 | u32 min_rate = p_link->min_pf_rate; |
| 2054 | |
| 2055 | rc = __qed_configure_vp_wfq_on_link_change(p_hwfn, |
| 2056 | p_ptt, |
| 2057 | min_rate); |
| 2058 | } |
| 2059 | |
| 2060 | qed_ptt_release(p_hwfn, p_ptt); |
| 2061 | } |
| 2062 | |
| 2063 | return rc; |
| 2064 | } |