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/delay.h> |
| 12 | #include <linux/errno.h> |
| 13 | #include <linux/kernel.h> |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 14 | #include <linux/slab.h> |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 15 | #include <linux/spinlock.h> |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 16 | #include <linux/string.h> |
| 17 | #include "qed.h" |
Sudarsana Reddy Kalluru | 39651ab | 2016-05-17 06:44:26 -0400 | [diff] [blame] | 18 | #include "qed_dcbx.h" |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 19 | #include "qed_hsi.h" |
| 20 | #include "qed_hw.h" |
| 21 | #include "qed_mcp.h" |
| 22 | #include "qed_reg_addr.h" |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 23 | #include "qed_sriov.h" |
| 24 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 25 | #define CHIP_MCP_RESP_ITER_US 10 |
| 26 | |
| 27 | #define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */ |
| 28 | #define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */ |
| 29 | |
| 30 | #define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \ |
| 31 | qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \ |
| 32 | _val) |
| 33 | |
| 34 | #define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \ |
| 35 | qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset)) |
| 36 | |
| 37 | #define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \ |
| 38 | DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \ |
| 39 | offsetof(struct public_drv_mb, _field), _val) |
| 40 | |
| 41 | #define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \ |
| 42 | DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \ |
| 43 | offsetof(struct public_drv_mb, _field)) |
| 44 | |
| 45 | #define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \ |
| 46 | DRV_ID_PDA_COMP_VER_SHIFT) |
| 47 | |
| 48 | #define MCP_BYTES_PER_MBIT_SHIFT 17 |
| 49 | |
| 50 | bool qed_mcp_is_init(struct qed_hwfn *p_hwfn) |
| 51 | { |
| 52 | if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base) |
| 53 | return false; |
| 54 | return true; |
| 55 | } |
| 56 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 57 | void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 58 | { |
| 59 | u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, |
| 60 | PUBLIC_PORT); |
| 61 | u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr); |
| 62 | |
| 63 | p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize, |
| 64 | MFW_PORT(p_hwfn)); |
| 65 | DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| 66 | "port_addr = 0x%x, port_id 0x%02x\n", |
| 67 | p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn)); |
| 68 | } |
| 69 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 70 | void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 71 | { |
| 72 | u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length); |
| 73 | u32 tmp, i; |
| 74 | |
| 75 | if (!p_hwfn->mcp_info->public_base) |
| 76 | return; |
| 77 | |
| 78 | for (i = 0; i < length; i++) { |
| 79 | tmp = qed_rd(p_hwfn, p_ptt, |
| 80 | p_hwfn->mcp_info->mfw_mb_addr + |
| 81 | (i << 2) + sizeof(u32)); |
| 82 | |
| 83 | /* The MB data is actually BE; Need to force it to cpu */ |
| 84 | ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] = |
| 85 | be32_to_cpu((__force __be32)tmp); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | int qed_mcp_free(struct qed_hwfn *p_hwfn) |
| 90 | { |
| 91 | if (p_hwfn->mcp_info) { |
| 92 | kfree(p_hwfn->mcp_info->mfw_mb_cur); |
| 93 | kfree(p_hwfn->mcp_info->mfw_mb_shadow); |
| 94 | } |
| 95 | kfree(p_hwfn->mcp_info); |
| 96 | |
| 97 | return 0; |
| 98 | } |
| 99 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 100 | static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 101 | { |
| 102 | struct qed_mcp_info *p_info = p_hwfn->mcp_info; |
| 103 | u32 drv_mb_offsize, mfw_mb_offsize; |
| 104 | u32 mcp_pf_id = MCP_PF_ID(p_hwfn); |
| 105 | |
| 106 | p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR); |
| 107 | if (!p_info->public_base) |
| 108 | return 0; |
| 109 | |
| 110 | p_info->public_base |= GRCBASE_MCP; |
| 111 | |
| 112 | /* Calculate the driver and MFW mailbox address */ |
| 113 | drv_mb_offsize = qed_rd(p_hwfn, p_ptt, |
| 114 | SECTION_OFFSIZE_ADDR(p_info->public_base, |
| 115 | PUBLIC_DRV_MB)); |
| 116 | p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id); |
| 117 | DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| 118 | "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n", |
| 119 | drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id); |
| 120 | |
| 121 | /* Set the MFW MB address */ |
| 122 | mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, |
| 123 | SECTION_OFFSIZE_ADDR(p_info->public_base, |
| 124 | PUBLIC_MFW_MB)); |
| 125 | p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id); |
| 126 | p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr); |
| 127 | |
| 128 | /* Get the current driver mailbox sequence before sending |
| 129 | * the first command |
| 130 | */ |
| 131 | p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) & |
| 132 | DRV_MSG_SEQ_NUMBER_MASK; |
| 133 | |
| 134 | /* Get current FW pulse sequence */ |
| 135 | p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) & |
| 136 | DRV_PULSE_SEQ_MASK; |
| 137 | |
| 138 | p_info->mcp_hist = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); |
| 139 | |
| 140 | return 0; |
| 141 | } |
| 142 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 143 | int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 144 | { |
| 145 | struct qed_mcp_info *p_info; |
| 146 | u32 size; |
| 147 | |
| 148 | /* Allocate mcp_info structure */ |
Yuval Mintz | 60fffb3 | 2016-02-21 11:40:07 +0200 | [diff] [blame] | 149 | p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 150 | if (!p_hwfn->mcp_info) |
| 151 | goto err; |
| 152 | p_info = p_hwfn->mcp_info; |
| 153 | |
| 154 | if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) { |
| 155 | DP_NOTICE(p_hwfn, "MCP is not initialized\n"); |
| 156 | /* Do not free mcp_info here, since public_base indicate that |
| 157 | * the MCP is not initialized |
| 158 | */ |
| 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32); |
Yuval Mintz | 60fffb3 | 2016-02-21 11:40:07 +0200 | [diff] [blame] | 163 | p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 164 | p_info->mfw_mb_shadow = |
| 165 | kzalloc(sizeof(u32) * MFW_DRV_MSG_MAX_DWORDS( |
Yuval Mintz | 60fffb3 | 2016-02-21 11:40:07 +0200 | [diff] [blame] | 166 | p_info->mfw_mb_length), GFP_KERNEL); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 167 | if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr) |
| 168 | goto err; |
| 169 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 170 | /* Initialize the MFW spinlock */ |
| 171 | spin_lock_init(&p_info->lock); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 172 | |
| 173 | return 0; |
| 174 | |
| 175 | err: |
| 176 | DP_NOTICE(p_hwfn, "Failed to allocate mcp memory\n"); |
| 177 | qed_mcp_free(p_hwfn); |
| 178 | return -ENOMEM; |
| 179 | } |
| 180 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 181 | /* Locks the MFW mailbox of a PF to ensure a single access. |
| 182 | * The lock is achieved in most cases by holding a spinlock, causing other |
| 183 | * threads to wait till a previous access is done. |
| 184 | * In some cases (currently when a [UN]LOAD_REQ commands are sent), the single |
| 185 | * access is achieved by setting a blocking flag, which will fail other |
| 186 | * competing contexts to send their mailboxes. |
| 187 | */ |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 188 | static int qed_mcp_mb_lock(struct qed_hwfn *p_hwfn, u32 cmd) |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 189 | { |
| 190 | spin_lock_bh(&p_hwfn->mcp_info->lock); |
| 191 | |
| 192 | /* The spinlock shouldn't be acquired when the mailbox command is |
| 193 | * [UN]LOAD_REQ, since the engine is locked by the MFW, and a parallel |
| 194 | * pending [UN]LOAD_REQ command of another PF together with a spinlock |
| 195 | * (i.e. interrupts are disabled) - can lead to a deadlock. |
| 196 | * It is assumed that for a single PF, no other mailbox commands can be |
| 197 | * sent from another context while sending LOAD_REQ, and that any |
| 198 | * parallel commands to UNLOAD_REQ can be cancelled. |
| 199 | */ |
| 200 | if (cmd == DRV_MSG_CODE_LOAD_DONE || cmd == DRV_MSG_CODE_UNLOAD_DONE) |
| 201 | p_hwfn->mcp_info->block_mb_sending = false; |
| 202 | |
| 203 | if (p_hwfn->mcp_info->block_mb_sending) { |
| 204 | DP_NOTICE(p_hwfn, |
| 205 | "Trying to send a MFW mailbox command [0x%x] in parallel to [UN]LOAD_REQ. Aborting.\n", |
| 206 | cmd); |
| 207 | spin_unlock_bh(&p_hwfn->mcp_info->lock); |
| 208 | return -EBUSY; |
| 209 | } |
| 210 | |
| 211 | if (cmd == DRV_MSG_CODE_LOAD_REQ || cmd == DRV_MSG_CODE_UNLOAD_REQ) { |
| 212 | p_hwfn->mcp_info->block_mb_sending = true; |
| 213 | spin_unlock_bh(&p_hwfn->mcp_info->lock); |
| 214 | } |
| 215 | |
| 216 | return 0; |
| 217 | } |
| 218 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 219 | static void qed_mcp_mb_unlock(struct qed_hwfn *p_hwfn, u32 cmd) |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 220 | { |
| 221 | if (cmd != DRV_MSG_CODE_LOAD_REQ && cmd != DRV_MSG_CODE_UNLOAD_REQ) |
| 222 | spin_unlock_bh(&p_hwfn->mcp_info->lock); |
| 223 | } |
| 224 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 225 | int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 226 | { |
| 227 | u32 seq = ++p_hwfn->mcp_info->drv_mb_seq; |
| 228 | u8 delay = CHIP_MCP_RESP_ITER_US; |
| 229 | u32 org_mcp_reset_seq, cnt = 0; |
| 230 | int rc = 0; |
| 231 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 232 | /* Ensure that only a single thread is accessing the mailbox at a |
| 233 | * certain time. |
| 234 | */ |
| 235 | rc = qed_mcp_mb_lock(p_hwfn, DRV_MSG_CODE_MCP_RESET); |
| 236 | if (rc != 0) |
| 237 | return rc; |
| 238 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 239 | /* Set drv command along with the updated sequence */ |
| 240 | org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); |
| 241 | DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, |
| 242 | (DRV_MSG_CODE_MCP_RESET | seq)); |
| 243 | |
| 244 | do { |
| 245 | /* Wait for MFW response */ |
| 246 | udelay(delay); |
| 247 | /* Give the FW up to 500 second (50*1000*10usec) */ |
| 248 | } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt, |
| 249 | MISCS_REG_GENERIC_POR_0)) && |
| 250 | (cnt++ < QED_MCP_RESET_RETRIES)); |
| 251 | |
| 252 | if (org_mcp_reset_seq != |
| 253 | qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) { |
| 254 | DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| 255 | "MCP was reset after %d usec\n", cnt * delay); |
| 256 | } else { |
| 257 | DP_ERR(p_hwfn, "Failed to reset MCP\n"); |
| 258 | rc = -EAGAIN; |
| 259 | } |
| 260 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 261 | qed_mcp_mb_unlock(p_hwfn, DRV_MSG_CODE_MCP_RESET); |
| 262 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 263 | return rc; |
| 264 | } |
| 265 | |
| 266 | static int qed_do_mcp_cmd(struct qed_hwfn *p_hwfn, |
| 267 | struct qed_ptt *p_ptt, |
| 268 | u32 cmd, |
| 269 | u32 param, |
| 270 | u32 *o_mcp_resp, |
| 271 | u32 *o_mcp_param) |
| 272 | { |
| 273 | u8 delay = CHIP_MCP_RESP_ITER_US; |
| 274 | u32 seq, cnt = 1, actual_mb_seq; |
| 275 | int rc = 0; |
| 276 | |
| 277 | /* Get actual driver mailbox sequence */ |
| 278 | actual_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) & |
| 279 | DRV_MSG_SEQ_NUMBER_MASK; |
| 280 | |
| 281 | /* Use MCP history register to check if MCP reset occurred between |
| 282 | * init time and now. |
| 283 | */ |
| 284 | if (p_hwfn->mcp_info->mcp_hist != |
| 285 | qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) { |
| 286 | DP_VERBOSE(p_hwfn, QED_MSG_SP, "Rereading MCP offsets\n"); |
| 287 | qed_load_mcp_offsets(p_hwfn, p_ptt); |
| 288 | qed_mcp_cmd_port_init(p_hwfn, p_ptt); |
| 289 | } |
| 290 | seq = ++p_hwfn->mcp_info->drv_mb_seq; |
| 291 | |
| 292 | /* Set drv param */ |
| 293 | DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, param); |
| 294 | |
| 295 | /* Set drv command along with the updated sequence */ |
| 296 | DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (cmd | seq)); |
| 297 | |
| 298 | DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| 299 | "wrote command (%x) to MFW MB param 0x%08x\n", |
| 300 | (cmd | seq), param); |
| 301 | |
| 302 | do { |
| 303 | /* Wait for MFW response */ |
| 304 | udelay(delay); |
| 305 | *o_mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header); |
| 306 | |
| 307 | /* Give the FW up to 5 second (500*10ms) */ |
| 308 | } while ((seq != (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) && |
| 309 | (cnt++ < QED_DRV_MB_MAX_RETRIES)); |
| 310 | |
| 311 | DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| 312 | "[after %d ms] read (%x) seq is (%x) from FW MB\n", |
| 313 | cnt * delay, *o_mcp_resp, seq); |
| 314 | |
| 315 | /* Is this a reply to our command? */ |
| 316 | if (seq == (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) { |
| 317 | *o_mcp_resp &= FW_MSG_CODE_MASK; |
| 318 | /* Get the MCP param */ |
| 319 | *o_mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param); |
| 320 | } else { |
| 321 | /* FW BUG! */ |
| 322 | DP_ERR(p_hwfn, "MFW failed to respond!\n"); |
| 323 | *o_mcp_resp = 0; |
| 324 | rc = -EAGAIN; |
| 325 | } |
| 326 | return rc; |
| 327 | } |
| 328 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 329 | static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn, |
| 330 | struct qed_ptt *p_ptt, |
| 331 | struct qed_mcp_mb_params *p_mb_params) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 332 | { |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 333 | u32 union_data_addr; |
| 334 | int rc; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 335 | |
| 336 | /* MCP not initialized */ |
| 337 | if (!qed_mcp_is_init(p_hwfn)) { |
| 338 | DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); |
| 339 | return -EBUSY; |
| 340 | } |
| 341 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 342 | union_data_addr = p_hwfn->mcp_info->drv_mb_addr + |
| 343 | offsetof(struct public_drv_mb, union_data); |
| 344 | |
| 345 | /* Ensure that only a single thread is accessing the mailbox at a |
| 346 | * certain time. |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 347 | */ |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 348 | rc = qed_mcp_mb_lock(p_hwfn, p_mb_params->cmd); |
| 349 | if (rc) |
| 350 | return rc; |
| 351 | |
| 352 | if (p_mb_params->p_data_src != NULL) |
| 353 | qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, |
| 354 | p_mb_params->p_data_src, |
| 355 | sizeof(*p_mb_params->p_data_src)); |
| 356 | |
| 357 | rc = qed_do_mcp_cmd(p_hwfn, p_ptt, p_mb_params->cmd, |
| 358 | p_mb_params->param, &p_mb_params->mcp_resp, |
| 359 | &p_mb_params->mcp_param); |
| 360 | |
| 361 | if (p_mb_params->p_data_dst != NULL) |
| 362 | qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst, |
| 363 | union_data_addr, |
| 364 | sizeof(*p_mb_params->p_data_dst)); |
| 365 | |
| 366 | qed_mcp_mb_unlock(p_hwfn, p_mb_params->cmd); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 367 | |
| 368 | return rc; |
| 369 | } |
| 370 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 371 | int qed_mcp_cmd(struct qed_hwfn *p_hwfn, |
| 372 | struct qed_ptt *p_ptt, |
| 373 | u32 cmd, |
| 374 | u32 param, |
| 375 | u32 *o_mcp_resp, |
| 376 | u32 *o_mcp_param) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 377 | { |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 378 | struct qed_mcp_mb_params mb_params; |
| 379 | int rc; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 380 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 381 | memset(&mb_params, 0, sizeof(mb_params)); |
| 382 | mb_params.cmd = cmd; |
| 383 | mb_params.param = param; |
| 384 | rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
| 385 | if (rc) |
| 386 | return rc; |
| 387 | |
| 388 | *o_mcp_resp = mb_params.mcp_resp; |
| 389 | *o_mcp_param = mb_params.mcp_param; |
| 390 | |
| 391 | return 0; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 392 | } |
| 393 | |
| 394 | int qed_mcp_load_req(struct qed_hwfn *p_hwfn, |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 395 | struct qed_ptt *p_ptt, u32 *p_load_code) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 396 | { |
| 397 | struct qed_dev *cdev = p_hwfn->cdev; |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 398 | struct qed_mcp_mb_params mb_params; |
| 399 | union drv_union_data union_data; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 400 | int rc; |
| 401 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 402 | memset(&mb_params, 0, sizeof(mb_params)); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 403 | /* Load Request */ |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 404 | mb_params.cmd = DRV_MSG_CODE_LOAD_REQ; |
| 405 | mb_params.param = PDA_COMP | DRV_ID_MCP_HSI_VER_CURRENT | |
| 406 | cdev->drv_type; |
| 407 | memcpy(&union_data.ver_str, cdev->ver_str, MCP_DRV_VER_STR_SIZE); |
| 408 | mb_params.p_data_src = &union_data; |
| 409 | rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 410 | |
| 411 | /* if mcp fails to respond we must abort */ |
| 412 | if (rc) { |
| 413 | DP_ERR(p_hwfn, "MCP response failure, aborting\n"); |
| 414 | return rc; |
| 415 | } |
| 416 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 417 | *p_load_code = mb_params.mcp_resp; |
| 418 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 419 | /* If MFW refused (e.g. other port is in diagnostic mode) we |
| 420 | * must abort. This can happen in the following cases: |
| 421 | * - Other port is in diagnostic mode |
| 422 | * - Previously loaded function on the engine is not compliant with |
| 423 | * the requester. |
| 424 | * - MFW cannot cope with the requester's DRV_MFW_HSI_VERSION. |
| 425 | * - |
| 426 | */ |
| 427 | if (!(*p_load_code) || |
| 428 | ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI) || |
| 429 | ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_PDA) || |
| 430 | ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG)) { |
| 431 | DP_ERR(p_hwfn, "MCP refused load request, aborting\n"); |
| 432 | return -EBUSY; |
| 433 | } |
| 434 | |
| 435 | return 0; |
| 436 | } |
| 437 | |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 438 | static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn, |
| 439 | struct qed_ptt *p_ptt) |
| 440 | { |
| 441 | u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, |
| 442 | PUBLIC_PATH); |
| 443 | u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); |
| 444 | u32 path_addr = SECTION_ADDR(mfw_path_offsize, |
| 445 | QED_PATH_ID(p_hwfn)); |
| 446 | u32 disabled_vfs[VF_MAX_STATIC / 32]; |
| 447 | int i; |
| 448 | |
| 449 | DP_VERBOSE(p_hwfn, |
| 450 | QED_MSG_SP, |
| 451 | "Reading Disabled VF information from [offset %08x], path_addr %08x\n", |
| 452 | mfw_path_offsize, path_addr); |
| 453 | |
| 454 | for (i = 0; i < (VF_MAX_STATIC / 32); i++) { |
| 455 | disabled_vfs[i] = qed_rd(p_hwfn, p_ptt, |
| 456 | path_addr + |
| 457 | offsetof(struct public_path, |
| 458 | mcp_vf_disabled) + |
| 459 | sizeof(u32) * i); |
| 460 | DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV), |
| 461 | "FLR-ed VFs [%08x,...,%08x] - %08x\n", |
| 462 | i * 32, (i + 1) * 32 - 1, disabled_vfs[i]); |
| 463 | } |
| 464 | |
| 465 | if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs)) |
| 466 | qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG); |
| 467 | } |
| 468 | |
| 469 | int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn, |
| 470 | struct qed_ptt *p_ptt, u32 *vfs_to_ack) |
| 471 | { |
| 472 | u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, |
| 473 | PUBLIC_FUNC); |
| 474 | u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr); |
| 475 | u32 func_addr = SECTION_ADDR(mfw_func_offsize, |
| 476 | MCP_PF_ID(p_hwfn)); |
| 477 | struct qed_mcp_mb_params mb_params; |
| 478 | union drv_union_data union_data; |
| 479 | int rc; |
| 480 | int i; |
| 481 | |
| 482 | for (i = 0; i < (VF_MAX_STATIC / 32); i++) |
| 483 | DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV), |
| 484 | "Acking VFs [%08x,...,%08x] - %08x\n", |
| 485 | i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]); |
| 486 | |
| 487 | memset(&mb_params, 0, sizeof(mb_params)); |
| 488 | mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE; |
| 489 | memcpy(&union_data.ack_vf_disabled, vfs_to_ack, VF_MAX_STATIC / 8); |
| 490 | mb_params.p_data_src = &union_data; |
| 491 | rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
| 492 | if (rc) { |
| 493 | DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n"); |
| 494 | return -EBUSY; |
| 495 | } |
| 496 | |
| 497 | /* Clear the ACK bits */ |
| 498 | for (i = 0; i < (VF_MAX_STATIC / 32); i++) |
| 499 | qed_wr(p_hwfn, p_ptt, |
| 500 | func_addr + |
| 501 | offsetof(struct public_func, drv_ack_vf_disabled) + |
| 502 | i * sizeof(u32), 0); |
| 503 | |
| 504 | return rc; |
| 505 | } |
| 506 | |
Zvi Nachmani | 334c03b | 2016-03-09 09:16:25 +0200 | [diff] [blame] | 507 | static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn, |
| 508 | struct qed_ptt *p_ptt) |
| 509 | { |
| 510 | u32 transceiver_state; |
| 511 | |
| 512 | transceiver_state = qed_rd(p_hwfn, p_ptt, |
| 513 | p_hwfn->mcp_info->port_addr + |
| 514 | offsetof(struct public_port, |
| 515 | transceiver_data)); |
| 516 | |
| 517 | DP_VERBOSE(p_hwfn, |
| 518 | (NETIF_MSG_HW | QED_MSG_SP), |
| 519 | "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n", |
| 520 | transceiver_state, |
| 521 | (u32)(p_hwfn->mcp_info->port_addr + |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 522 | offsetof(struct public_port, transceiver_data))); |
Zvi Nachmani | 334c03b | 2016-03-09 09:16:25 +0200 | [diff] [blame] | 523 | |
| 524 | transceiver_state = GET_FIELD(transceiver_state, |
Yuval Mintz | 351a4ded | 2016-06-02 10:23:29 +0300 | [diff] [blame] | 525 | ETH_TRANSCEIVER_STATE); |
Zvi Nachmani | 334c03b | 2016-03-09 09:16:25 +0200 | [diff] [blame] | 526 | |
Yuval Mintz | 351a4ded | 2016-06-02 10:23:29 +0300 | [diff] [blame] | 527 | if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT) |
Zvi Nachmani | 334c03b | 2016-03-09 09:16:25 +0200 | [diff] [blame] | 528 | DP_NOTICE(p_hwfn, "Transceiver is present.\n"); |
| 529 | else |
| 530 | DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n"); |
| 531 | } |
| 532 | |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 533 | static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn, |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 534 | struct qed_ptt *p_ptt, bool b_reset) |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 535 | { |
| 536 | struct qed_mcp_link_state *p_link; |
Manish Chopra | a64b02d | 2016-04-26 10:56:10 -0400 | [diff] [blame] | 537 | u8 max_bw, min_bw; |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 538 | u32 status = 0; |
| 539 | |
| 540 | p_link = &p_hwfn->mcp_info->link_output; |
| 541 | memset(p_link, 0, sizeof(*p_link)); |
| 542 | if (!b_reset) { |
| 543 | status = qed_rd(p_hwfn, p_ptt, |
| 544 | p_hwfn->mcp_info->port_addr + |
| 545 | offsetof(struct public_port, link_status)); |
| 546 | DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP), |
| 547 | "Received link update [0x%08x] from mfw [Addr 0x%x]\n", |
| 548 | status, |
| 549 | (u32)(p_hwfn->mcp_info->port_addr + |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 550 | offsetof(struct public_port, link_status))); |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 551 | } else { |
| 552 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 553 | "Resetting link indications\n"); |
| 554 | return; |
| 555 | } |
| 556 | |
Sudarsana Reddy Kalluru | fc916ff | 2016-03-09 09:16:23 +0200 | [diff] [blame] | 557 | if (p_hwfn->b_drv_link_init) |
| 558 | p_link->link_up = !!(status & LINK_STATUS_LINK_UP); |
| 559 | else |
| 560 | p_link->link_up = false; |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 561 | |
| 562 | p_link->full_duplex = true; |
| 563 | switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) { |
| 564 | case LINK_STATUS_SPEED_AND_DUPLEX_100G: |
| 565 | p_link->speed = 100000; |
| 566 | break; |
| 567 | case LINK_STATUS_SPEED_AND_DUPLEX_50G: |
| 568 | p_link->speed = 50000; |
| 569 | break; |
| 570 | case LINK_STATUS_SPEED_AND_DUPLEX_40G: |
| 571 | p_link->speed = 40000; |
| 572 | break; |
| 573 | case LINK_STATUS_SPEED_AND_DUPLEX_25G: |
| 574 | p_link->speed = 25000; |
| 575 | break; |
| 576 | case LINK_STATUS_SPEED_AND_DUPLEX_20G: |
| 577 | p_link->speed = 20000; |
| 578 | break; |
| 579 | case LINK_STATUS_SPEED_AND_DUPLEX_10G: |
| 580 | p_link->speed = 10000; |
| 581 | break; |
| 582 | case LINK_STATUS_SPEED_AND_DUPLEX_1000THD: |
| 583 | p_link->full_duplex = false; |
| 584 | /* Fall-through */ |
| 585 | case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD: |
| 586 | p_link->speed = 1000; |
| 587 | break; |
| 588 | default: |
| 589 | p_link->speed = 0; |
| 590 | } |
| 591 | |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 592 | if (p_link->link_up && p_link->speed) |
| 593 | p_link->line_speed = p_link->speed; |
| 594 | else |
| 595 | p_link->line_speed = 0; |
| 596 | |
| 597 | max_bw = p_hwfn->mcp_info->func_info.bandwidth_max; |
Manish Chopra | a64b02d | 2016-04-26 10:56:10 -0400 | [diff] [blame] | 598 | min_bw = p_hwfn->mcp_info->func_info.bandwidth_min; |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 599 | |
Manish Chopra | a64b02d | 2016-04-26 10:56:10 -0400 | [diff] [blame] | 600 | /* Max bandwidth configuration */ |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 601 | __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw); |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 602 | |
Manish Chopra | a64b02d | 2016-04-26 10:56:10 -0400 | [diff] [blame] | 603 | /* Min bandwidth configuration */ |
| 604 | __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw); |
| 605 | qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_link->min_pf_rate); |
| 606 | |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 607 | p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED); |
| 608 | p_link->an_complete = !!(status & |
| 609 | LINK_STATUS_AUTO_NEGOTIATE_COMPLETE); |
| 610 | p_link->parallel_detection = !!(status & |
| 611 | LINK_STATUS_PARALLEL_DETECTION_USED); |
| 612 | p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED); |
| 613 | |
| 614 | p_link->partner_adv_speed |= |
| 615 | (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ? |
| 616 | QED_LINK_PARTNER_SPEED_1G_FD : 0; |
| 617 | p_link->partner_adv_speed |= |
| 618 | (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ? |
| 619 | QED_LINK_PARTNER_SPEED_1G_HD : 0; |
| 620 | p_link->partner_adv_speed |= |
| 621 | (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ? |
| 622 | QED_LINK_PARTNER_SPEED_10G : 0; |
| 623 | p_link->partner_adv_speed |= |
| 624 | (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ? |
| 625 | QED_LINK_PARTNER_SPEED_20G : 0; |
| 626 | p_link->partner_adv_speed |= |
Sudarsana Reddy Kalluru | 054c67d | 2016-08-09 03:51:23 -0400 | [diff] [blame] | 627 | (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ? |
| 628 | QED_LINK_PARTNER_SPEED_25G : 0; |
| 629 | p_link->partner_adv_speed |= |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 630 | (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ? |
| 631 | QED_LINK_PARTNER_SPEED_40G : 0; |
| 632 | p_link->partner_adv_speed |= |
| 633 | (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ? |
| 634 | QED_LINK_PARTNER_SPEED_50G : 0; |
| 635 | p_link->partner_adv_speed |= |
| 636 | (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ? |
| 637 | QED_LINK_PARTNER_SPEED_100G : 0; |
| 638 | |
| 639 | p_link->partner_tx_flow_ctrl_en = |
| 640 | !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED); |
| 641 | p_link->partner_rx_flow_ctrl_en = |
| 642 | !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED); |
| 643 | |
| 644 | switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) { |
| 645 | case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE: |
| 646 | p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE; |
| 647 | break; |
| 648 | case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE: |
| 649 | p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE; |
| 650 | break; |
| 651 | case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE: |
| 652 | p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE; |
| 653 | break; |
| 654 | default: |
| 655 | p_link->partner_adv_pause = 0; |
| 656 | } |
| 657 | |
| 658 | p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT); |
| 659 | |
| 660 | qed_link_update(p_hwfn); |
| 661 | } |
| 662 | |
Yuval Mintz | 351a4ded | 2016-06-02 10:23:29 +0300 | [diff] [blame] | 663 | int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up) |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 664 | { |
| 665 | struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input; |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 666 | struct qed_mcp_mb_params mb_params; |
| 667 | union drv_union_data union_data; |
Yuval Mintz | 351a4ded | 2016-06-02 10:23:29 +0300 | [diff] [blame] | 668 | struct eth_phy_cfg *phy_cfg; |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 669 | int rc = 0; |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 670 | u32 cmd; |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 671 | |
| 672 | /* Set the shmem configuration according to params */ |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 673 | phy_cfg = &union_data.drv_phy_cfg; |
| 674 | memset(phy_cfg, 0, sizeof(*phy_cfg)); |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 675 | cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET; |
| 676 | if (!params->speed.autoneg) |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 677 | phy_cfg->speed = params->speed.forced_speed; |
Yuval Mintz | 351a4ded | 2016-06-02 10:23:29 +0300 | [diff] [blame] | 678 | phy_cfg->pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0; |
| 679 | phy_cfg->pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0; |
| 680 | phy_cfg->pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0; |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 681 | phy_cfg->adv_speed = params->speed.advertised_speeds; |
| 682 | phy_cfg->loopback_mode = params->loopback_mode; |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 683 | |
Sudarsana Reddy Kalluru | fc916ff | 2016-03-09 09:16:23 +0200 | [diff] [blame] | 684 | p_hwfn->b_drv_link_init = b_up; |
| 685 | |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 686 | if (b_up) { |
| 687 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 688 | "Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n", |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 689 | phy_cfg->speed, |
| 690 | phy_cfg->pause, |
| 691 | phy_cfg->adv_speed, |
| 692 | phy_cfg->loopback_mode, |
| 693 | phy_cfg->feature_config_flags); |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 694 | } else { |
| 695 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 696 | "Resetting link\n"); |
| 697 | } |
| 698 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 699 | memset(&mb_params, 0, sizeof(mb_params)); |
| 700 | mb_params.cmd = cmd; |
| 701 | mb_params.p_data_src = &union_data; |
| 702 | rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 703 | |
| 704 | /* if mcp fails to respond we must abort */ |
| 705 | if (rc) { |
| 706 | DP_ERR(p_hwfn, "MCP response failure, aborting\n"); |
| 707 | return rc; |
| 708 | } |
| 709 | |
| 710 | /* Reset the link status if needed */ |
| 711 | if (!b_up) |
| 712 | qed_mcp_handle_link_change(p_hwfn, p_ptt, true); |
| 713 | |
| 714 | return 0; |
| 715 | } |
| 716 | |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 717 | static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn, |
| 718 | struct public_func *p_shmem_info) |
| 719 | { |
| 720 | struct qed_mcp_function_info *p_info; |
| 721 | |
| 722 | p_info = &p_hwfn->mcp_info->func_info; |
| 723 | |
| 724 | p_info->bandwidth_min = (p_shmem_info->config & |
| 725 | FUNC_MF_CFG_MIN_BW_MASK) >> |
| 726 | FUNC_MF_CFG_MIN_BW_SHIFT; |
| 727 | if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) { |
| 728 | DP_INFO(p_hwfn, |
| 729 | "bandwidth minimum out of bounds [%02x]. Set to 1\n", |
| 730 | p_info->bandwidth_min); |
| 731 | p_info->bandwidth_min = 1; |
| 732 | } |
| 733 | |
| 734 | p_info->bandwidth_max = (p_shmem_info->config & |
| 735 | FUNC_MF_CFG_MAX_BW_MASK) >> |
| 736 | FUNC_MF_CFG_MAX_BW_SHIFT; |
| 737 | if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) { |
| 738 | DP_INFO(p_hwfn, |
| 739 | "bandwidth maximum out of bounds [%02x]. Set to 100\n", |
| 740 | p_info->bandwidth_max); |
| 741 | p_info->bandwidth_max = 100; |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn, |
| 746 | struct qed_ptt *p_ptt, |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 747 | struct public_func *p_data, int pfid) |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 748 | { |
| 749 | u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, |
| 750 | PUBLIC_FUNC); |
| 751 | u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); |
| 752 | u32 func_addr = SECTION_ADDR(mfw_path_offsize, pfid); |
| 753 | u32 i, size; |
| 754 | |
| 755 | memset(p_data, 0, sizeof(*p_data)); |
| 756 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 757 | size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize)); |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 758 | for (i = 0; i < size / sizeof(u32); i++) |
| 759 | ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt, |
| 760 | func_addr + (i << 2)); |
| 761 | return size; |
| 762 | } |
| 763 | |
Yuval Mintz | 351a4ded | 2016-06-02 10:23:29 +0300 | [diff] [blame] | 764 | int qed_hw_init_first_eth(struct qed_hwfn *p_hwfn, |
| 765 | struct qed_ptt *p_ptt, u8 *p_pf) |
| 766 | { |
| 767 | struct public_func shmem_info; |
| 768 | int i; |
| 769 | |
| 770 | /* Find first Ethernet interface in port */ |
| 771 | for (i = 0; i < NUM_OF_ENG_PFS(p_hwfn->cdev); |
| 772 | i += p_hwfn->cdev->num_ports_in_engines) { |
| 773 | qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, |
| 774 | MCP_PF_ID_BY_REL(p_hwfn, i)); |
| 775 | |
| 776 | if (shmem_info.config & FUNC_MF_CFG_FUNC_HIDE) |
| 777 | continue; |
| 778 | |
| 779 | if ((shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK) == |
| 780 | FUNC_MF_CFG_PROTOCOL_ETHERNET) { |
| 781 | *p_pf = (u8)i; |
| 782 | return 0; |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | DP_NOTICE(p_hwfn, |
| 787 | "Failed to find on port an ethernet interface in MF_SI mode\n"); |
| 788 | |
| 789 | return -EINVAL; |
| 790 | } |
| 791 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 792 | static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 793 | { |
| 794 | struct qed_mcp_function_info *p_info; |
| 795 | struct public_func shmem_info; |
| 796 | u32 resp = 0, param = 0; |
| 797 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 798 | qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 799 | |
| 800 | qed_read_pf_bandwidth(p_hwfn, &shmem_info); |
| 801 | |
| 802 | p_info = &p_hwfn->mcp_info->func_info; |
| 803 | |
Manish Chopra | a64b02d | 2016-04-26 10:56:10 -0400 | [diff] [blame] | 804 | qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min); |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 805 | qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max); |
| 806 | |
| 807 | /* Acknowledge the MFW */ |
| 808 | qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp, |
| 809 | ¶m); |
| 810 | } |
| 811 | |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 812 | int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, |
| 813 | struct qed_ptt *p_ptt) |
| 814 | { |
| 815 | struct qed_mcp_info *info = p_hwfn->mcp_info; |
| 816 | int rc = 0; |
| 817 | bool found = false; |
| 818 | u16 i; |
| 819 | |
| 820 | DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n"); |
| 821 | |
| 822 | /* Read Messages from MFW */ |
| 823 | qed_mcp_read_mb(p_hwfn, p_ptt); |
| 824 | |
| 825 | /* Compare current messages to old ones */ |
| 826 | for (i = 0; i < info->mfw_mb_length; i++) { |
| 827 | if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i]) |
| 828 | continue; |
| 829 | |
| 830 | found = true; |
| 831 | |
| 832 | DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| 833 | "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n", |
| 834 | i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]); |
| 835 | |
| 836 | switch (i) { |
| 837 | case MFW_DRV_MSG_LINK_CHANGE: |
| 838 | qed_mcp_handle_link_change(p_hwfn, p_ptt, false); |
| 839 | break; |
Yuval Mintz | 0b55e27 | 2016-05-11 16:36:15 +0300 | [diff] [blame] | 840 | case MFW_DRV_MSG_VF_DISABLED: |
| 841 | qed_mcp_handle_vf_flr(p_hwfn, p_ptt); |
| 842 | break; |
Sudarsana Reddy Kalluru | 39651ab | 2016-05-17 06:44:26 -0400 | [diff] [blame] | 843 | case MFW_DRV_MSG_LLDP_DATA_UPDATED: |
| 844 | qed_dcbx_mib_update_event(p_hwfn, p_ptt, |
| 845 | QED_DCBX_REMOTE_LLDP_MIB); |
| 846 | break; |
| 847 | case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED: |
| 848 | qed_dcbx_mib_update_event(p_hwfn, p_ptt, |
| 849 | QED_DCBX_REMOTE_MIB); |
| 850 | break; |
| 851 | case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED: |
| 852 | qed_dcbx_mib_update_event(p_hwfn, p_ptt, |
| 853 | QED_DCBX_OPERATIONAL_MIB); |
| 854 | break; |
Zvi Nachmani | 334c03b | 2016-03-09 09:16:25 +0200 | [diff] [blame] | 855 | case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE: |
| 856 | qed_mcp_handle_transceiver_change(p_hwfn, p_ptt); |
| 857 | break; |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 858 | case MFW_DRV_MSG_BW_UPDATE: |
| 859 | qed_mcp_update_bw(p_hwfn, p_ptt); |
| 860 | break; |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 861 | default: |
| 862 | DP_NOTICE(p_hwfn, "Unimplemented MFW message %d\n", i); |
| 863 | rc = -EINVAL; |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | /* ACK everything */ |
| 868 | for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) { |
| 869 | __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]); |
| 870 | |
| 871 | /* MFW expect answer in BE, so we force write in that format */ |
| 872 | qed_wr(p_hwfn, p_ptt, |
| 873 | info->mfw_mb_addr + sizeof(u32) + |
| 874 | MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) * |
| 875 | sizeof(u32) + i * sizeof(u32), |
| 876 | (__force u32)val); |
| 877 | } |
| 878 | |
| 879 | if (!found) { |
| 880 | DP_NOTICE(p_hwfn, |
| 881 | "Received an MFW message indication but no new message!\n"); |
| 882 | rc = -EINVAL; |
| 883 | } |
| 884 | |
| 885 | /* Copy the new mfw messages into the shadow */ |
| 886 | memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length); |
| 887 | |
| 888 | return rc; |
| 889 | } |
| 890 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 891 | int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn, |
| 892 | struct qed_ptt *p_ptt, |
| 893 | u32 *p_mfw_ver, u32 *p_running_bundle_id) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 894 | { |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 895 | u32 global_offsize; |
| 896 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 897 | if (IS_VF(p_hwfn->cdev)) { |
| 898 | if (p_hwfn->vf_iov_info) { |
| 899 | struct pfvf_acquire_resp_tlv *p_resp; |
| 900 | |
| 901 | p_resp = &p_hwfn->vf_iov_info->acquire_resp; |
| 902 | *p_mfw_ver = p_resp->pfdev_info.mfw_ver; |
| 903 | return 0; |
| 904 | } else { |
| 905 | DP_VERBOSE(p_hwfn, |
| 906 | QED_MSG_IOV, |
| 907 | "VF requested MFW version prior to ACQUIRE\n"); |
| 908 | return -EINVAL; |
| 909 | } |
| 910 | } |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 911 | |
| 912 | global_offsize = qed_rd(p_hwfn, p_ptt, |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 913 | SECTION_OFFSIZE_ADDR(p_hwfn-> |
| 914 | mcp_info->public_base, |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 915 | PUBLIC_GLOBAL)); |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 916 | *p_mfw_ver = |
| 917 | qed_rd(p_hwfn, p_ptt, |
| 918 | SECTION_ADDR(global_offsize, |
| 919 | 0) + offsetof(struct public_global, mfw_ver)); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 920 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 921 | if (p_running_bundle_id != NULL) { |
| 922 | *p_running_bundle_id = qed_rd(p_hwfn, p_ptt, |
| 923 | SECTION_ADDR(global_offsize, 0) + |
| 924 | offsetof(struct public_global, |
| 925 | running_bundle_id)); |
| 926 | } |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 927 | |
| 928 | return 0; |
| 929 | } |
| 930 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 931 | int qed_mcp_get_media_type(struct qed_dev *cdev, u32 *p_media_type) |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 932 | { |
| 933 | struct qed_hwfn *p_hwfn = &cdev->hwfns[0]; |
| 934 | struct qed_ptt *p_ptt; |
| 935 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 936 | if (IS_VF(cdev)) |
| 937 | return -EINVAL; |
| 938 | |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 939 | if (!qed_mcp_is_init(p_hwfn)) { |
| 940 | DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); |
| 941 | return -EBUSY; |
| 942 | } |
| 943 | |
| 944 | *p_media_type = MEDIA_UNSPECIFIED; |
| 945 | |
| 946 | p_ptt = qed_ptt_acquire(p_hwfn); |
| 947 | if (!p_ptt) |
| 948 | return -EBUSY; |
| 949 | |
| 950 | *p_media_type = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + |
| 951 | offsetof(struct public_port, media_type)); |
| 952 | |
| 953 | qed_ptt_release(p_hwfn, p_ptt); |
| 954 | |
| 955 | return 0; |
| 956 | } |
| 957 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 958 | static int |
| 959 | qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn, |
| 960 | struct public_func *p_info, |
| 961 | enum qed_pci_personality *p_proto) |
| 962 | { |
| 963 | int rc = 0; |
| 964 | |
| 965 | switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) { |
| 966 | case FUNC_MF_CFG_PROTOCOL_ETHERNET: |
Yuval Mintz | c5ac931 | 2016-06-03 14:35:34 +0300 | [diff] [blame] | 967 | if (test_bit(QED_DEV_CAP_ROCE, |
| 968 | &p_hwfn->hw_info.device_capabilities)) |
| 969 | *p_proto = QED_PCI_ETH_ROCE; |
| 970 | else |
| 971 | *p_proto = QED_PCI_ETH; |
| 972 | break; |
| 973 | case FUNC_MF_CFG_PROTOCOL_ISCSI: |
| 974 | *p_proto = QED_PCI_ISCSI; |
| 975 | break; |
| 976 | case FUNC_MF_CFG_PROTOCOL_ROCE: |
| 977 | DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n"); |
| 978 | rc = -EINVAL; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 979 | break; |
| 980 | default: |
| 981 | rc = -EINVAL; |
| 982 | } |
| 983 | |
| 984 | return rc; |
| 985 | } |
| 986 | |
| 987 | int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn, |
| 988 | struct qed_ptt *p_ptt) |
| 989 | { |
| 990 | struct qed_mcp_function_info *info; |
| 991 | struct public_func shmem_info; |
| 992 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 993 | qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 994 | info = &p_hwfn->mcp_info->func_info; |
| 995 | |
| 996 | info->pause_on_host = (shmem_info.config & |
| 997 | FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0; |
| 998 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 999 | if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, &info->protocol)) { |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1000 | DP_ERR(p_hwfn, "Unknown personality %08x\n", |
| 1001 | (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK)); |
| 1002 | return -EINVAL; |
| 1003 | } |
| 1004 | |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 1005 | qed_read_pf_bandwidth(p_hwfn, &shmem_info); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1006 | |
| 1007 | if (shmem_info.mac_upper || shmem_info.mac_lower) { |
| 1008 | info->mac[0] = (u8)(shmem_info.mac_upper >> 8); |
| 1009 | info->mac[1] = (u8)(shmem_info.mac_upper); |
| 1010 | info->mac[2] = (u8)(shmem_info.mac_lower >> 24); |
| 1011 | info->mac[3] = (u8)(shmem_info.mac_lower >> 16); |
| 1012 | info->mac[4] = (u8)(shmem_info.mac_lower >> 8); |
| 1013 | info->mac[5] = (u8)(shmem_info.mac_lower); |
| 1014 | } else { |
| 1015 | DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n"); |
| 1016 | } |
| 1017 | |
| 1018 | info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_upper | |
| 1019 | (((u64)shmem_info.fcoe_wwn_port_name_lower) << 32); |
| 1020 | info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_upper | |
| 1021 | (((u64)shmem_info.fcoe_wwn_node_name_lower) << 32); |
| 1022 | |
| 1023 | info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK); |
| 1024 | |
| 1025 | DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP), |
| 1026 | "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x\n", |
| 1027 | info->pause_on_host, info->protocol, |
| 1028 | info->bandwidth_min, info->bandwidth_max, |
| 1029 | info->mac[0], info->mac[1], info->mac[2], |
| 1030 | info->mac[3], info->mac[4], info->mac[5], |
| 1031 | info->wwn_port, info->wwn_node, info->ovlan); |
| 1032 | |
| 1033 | return 0; |
| 1034 | } |
| 1035 | |
Yuval Mintz | cc875c2 | 2015-10-26 11:02:31 +0200 | [diff] [blame] | 1036 | struct qed_mcp_link_params |
| 1037 | *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn) |
| 1038 | { |
| 1039 | if (!p_hwfn || !p_hwfn->mcp_info) |
| 1040 | return NULL; |
| 1041 | return &p_hwfn->mcp_info->link_input; |
| 1042 | } |
| 1043 | |
| 1044 | struct qed_mcp_link_state |
| 1045 | *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn) |
| 1046 | { |
| 1047 | if (!p_hwfn || !p_hwfn->mcp_info) |
| 1048 | return NULL; |
| 1049 | return &p_hwfn->mcp_info->link_output; |
| 1050 | } |
| 1051 | |
| 1052 | struct qed_mcp_link_capabilities |
| 1053 | *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn) |
| 1054 | { |
| 1055 | if (!p_hwfn || !p_hwfn->mcp_info) |
| 1056 | return NULL; |
| 1057 | return &p_hwfn->mcp_info->link_capabilities; |
| 1058 | } |
| 1059 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 1060 | int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1061 | { |
| 1062 | u32 resp = 0, param = 0; |
| 1063 | int rc; |
| 1064 | |
| 1065 | rc = qed_mcp_cmd(p_hwfn, p_ptt, |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 1066 | DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, ¶m); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1067 | |
| 1068 | /* Wait for the drain to complete before returning */ |
Yuval Mintz | 8f60baf | 2016-03-09 09:16:26 +0200 | [diff] [blame] | 1069 | msleep(1020); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1070 | |
| 1071 | return rc; |
| 1072 | } |
| 1073 | |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 1074 | int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn, |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 1075 | struct qed_ptt *p_ptt, u32 *p_flash_size) |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 1076 | { |
| 1077 | u32 flash_size; |
| 1078 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1079 | if (IS_VF(p_hwfn->cdev)) |
| 1080 | return -EINVAL; |
| 1081 | |
Manish Chopra | cee4d26 | 2015-10-26 11:02:28 +0200 | [diff] [blame] | 1082 | flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4); |
| 1083 | flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >> |
| 1084 | MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT; |
| 1085 | flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT)); |
| 1086 | |
| 1087 | *p_flash_size = flash_size; |
| 1088 | |
| 1089 | return 0; |
| 1090 | } |
| 1091 | |
Yuval Mintz | 1408cc1f | 2016-05-11 16:36:14 +0300 | [diff] [blame] | 1092 | int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn, |
| 1093 | struct qed_ptt *p_ptt, u8 vf_id, u8 num) |
| 1094 | { |
| 1095 | u32 resp = 0, param = 0, rc_param = 0; |
| 1096 | int rc; |
| 1097 | |
| 1098 | /* Only Leader can configure MSIX, and need to take CMT into account */ |
| 1099 | if (!IS_LEAD_HWFN(p_hwfn)) |
| 1100 | return 0; |
| 1101 | num *= p_hwfn->cdev->num_hwfns; |
| 1102 | |
| 1103 | param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) & |
| 1104 | DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK; |
| 1105 | param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) & |
| 1106 | DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK; |
| 1107 | |
| 1108 | rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param, |
| 1109 | &resp, &rc_param); |
| 1110 | |
| 1111 | if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) { |
| 1112 | DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id); |
| 1113 | rc = -EINVAL; |
| 1114 | } else { |
| 1115 | DP_VERBOSE(p_hwfn, QED_MSG_IOV, |
| 1116 | "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n", |
| 1117 | num, vf_id); |
| 1118 | } |
| 1119 | |
| 1120 | return rc; |
| 1121 | } |
| 1122 | |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1123 | int |
| 1124 | qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, |
| 1125 | struct qed_ptt *p_ptt, |
| 1126 | struct qed_mcp_drv_version *p_ver) |
| 1127 | { |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 1128 | struct drv_version_stc *p_drv_version; |
| 1129 | struct qed_mcp_mb_params mb_params; |
| 1130 | union drv_union_data union_data; |
| 1131 | __be32 val; |
| 1132 | u32 i; |
| 1133 | int rc; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1134 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 1135 | p_drv_version = &union_data.drv_version; |
| 1136 | p_drv_version->version = p_ver->version; |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 1137 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 1138 | for (i = 0; i < MCP_DRV_VER_STR_SIZE - 1; i += 4) { |
| 1139 | val = cpu_to_be32(p_ver->name[i]); |
Manish Chopra | 4b01e51 | 2016-04-26 10:56:09 -0400 | [diff] [blame] | 1140 | *(__be32 *)&p_drv_version->name[i * sizeof(u32)] = val; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1141 | } |
| 1142 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 1143 | memset(&mb_params, 0, sizeof(mb_params)); |
| 1144 | mb_params.cmd = DRV_MSG_CODE_SET_VERSION; |
| 1145 | mb_params.p_data_src = &union_data; |
| 1146 | rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
| 1147 | if (rc) |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1148 | DP_ERR(p_hwfn, "MCP response failure, aborting\n"); |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1149 | |
Tomer Tayar | 5529bad | 2016-03-09 09:16:24 +0200 | [diff] [blame] | 1150 | return rc; |
Yuval Mintz | fe56b9e | 2015-10-26 11:02:25 +0200 | [diff] [blame] | 1151 | } |
Sudarsana Kalluru | 91420b8 | 2015-11-30 12:25:03 +0200 | [diff] [blame] | 1152 | |
Yuval Mintz | 1a635e4 | 2016-08-15 10:42:43 +0300 | [diff] [blame^] | 1153 | int qed_mcp_set_led(struct qed_hwfn *p_hwfn, |
| 1154 | struct qed_ptt *p_ptt, enum qed_led_mode mode) |
Sudarsana Kalluru | 91420b8 | 2015-11-30 12:25:03 +0200 | [diff] [blame] | 1155 | { |
| 1156 | u32 resp = 0, param = 0, drv_mb_param; |
| 1157 | int rc; |
| 1158 | |
| 1159 | switch (mode) { |
| 1160 | case QED_LED_MODE_ON: |
| 1161 | drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON; |
| 1162 | break; |
| 1163 | case QED_LED_MODE_OFF: |
| 1164 | drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF; |
| 1165 | break; |
| 1166 | case QED_LED_MODE_RESTORE: |
| 1167 | drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER; |
| 1168 | break; |
| 1169 | default: |
| 1170 | DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode); |
| 1171 | return -EINVAL; |
| 1172 | } |
| 1173 | |
| 1174 | rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE, |
| 1175 | drv_mb_param, &resp, ¶m); |
| 1176 | |
| 1177 | return rc; |
| 1178 | } |
Sudarsana Reddy Kalluru | 03dc76c | 2016-04-28 20:20:52 -0400 | [diff] [blame] | 1179 | |
| 1180 | int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
| 1181 | { |
| 1182 | u32 drv_mb_param = 0, rsp, param; |
| 1183 | int rc = 0; |
| 1184 | |
| 1185 | drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST << |
| 1186 | DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); |
| 1187 | |
| 1188 | rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, |
| 1189 | drv_mb_param, &rsp, ¶m); |
| 1190 | |
| 1191 | if (rc) |
| 1192 | return rc; |
| 1193 | |
| 1194 | if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || |
| 1195 | (param != DRV_MB_PARAM_BIST_RC_PASSED)) |
| 1196 | rc = -EAGAIN; |
| 1197 | |
| 1198 | return rc; |
| 1199 | } |
| 1200 | |
| 1201 | int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
| 1202 | { |
| 1203 | u32 drv_mb_param, rsp, param; |
| 1204 | int rc = 0; |
| 1205 | |
| 1206 | drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST << |
| 1207 | DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); |
| 1208 | |
| 1209 | rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, |
| 1210 | drv_mb_param, &rsp, ¶m); |
| 1211 | |
| 1212 | if (rc) |
| 1213 | return rc; |
| 1214 | |
| 1215 | if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || |
| 1216 | (param != DRV_MB_PARAM_BIST_RC_PASSED)) |
| 1217 | rc = -EAGAIN; |
| 1218 | |
| 1219 | return rc; |
| 1220 | } |