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34 #include <rte_byteorder.h>
35 #include <rte_common.h>
36 #include <rte_cycles.h>
37 #include <rte_malloc.h>
38 #include <rte_memzone.h>
39 #include <rte_version.h>
42 #include "bnxt_hwrm.h"
43 #include "hsi_struct_def_dpdk.h"
45 #define HWRM_CMD_TIMEOUT 2000
48 * HWRM Functions (sent to HWRM)
49 * These are named bnxt_hwrm_*() and return -1 if bnxt_hwrm_send_message()
50 * fails (ie: a timeout), and a positive non-zero HWRM error code if the HWRM
51 * command was failed by the ChiMP.
54 static int bnxt_hwrm_send_message_locked(struct bnxt *bp, void *msg,
58 struct input *req = msg;
59 struct output *resp = bp->hwrm_cmd_resp_addr;
64 /* Write request msg to hwrm channel */
65 for (i = 0; i < msg_len; i += 4) {
66 bar = (uint8_t *)bp->bar0 + i;
67 *(volatile uint32_t *)bar = *data;
71 /* Zero the rest of the request space */
72 for (; i < bp->max_req_len; i += 4) {
73 bar = (uint8_t *)bp->bar0 + i;
74 *(volatile uint32_t *)bar = 0;
77 /* Ring channel doorbell */
78 bar = (uint8_t *)bp->bar0 + 0x100;
79 *(volatile uint32_t *)bar = 1;
81 /* Poll for the valid bit */
82 for (i = 0; i < HWRM_CMD_TIMEOUT; i++) {
83 /* Sanity check on the resp->resp_len */
85 if (resp->resp_len && resp->resp_len <=
87 /* Last byte of resp contains the valid key */
88 valid = (uint8_t *)resp + resp->resp_len - 1;
89 if (*valid == HWRM_RESP_VALID_KEY)
95 if (i >= HWRM_CMD_TIMEOUT) {
96 RTE_LOG(ERR, PMD, "Error sending msg %x\n",
106 static int bnxt_hwrm_send_message(struct bnxt *bp, void *msg, uint32_t msg_len)
110 rte_spinlock_lock(&bp->hwrm_lock);
111 rc = bnxt_hwrm_send_message_locked(bp, msg, msg_len);
112 rte_spinlock_unlock(&bp->hwrm_lock);
116 #define HWRM_PREP(req, type, cr, resp) \
117 memset(bp->hwrm_cmd_resp_addr, 0, bp->max_resp_len); \
118 req.req_type = rte_cpu_to_le_16(HWRM_##type); \
119 req.cmpl_ring = rte_cpu_to_le_16(cr); \
120 req.seq_id = rte_cpu_to_le_16(bp->hwrm_cmd_seq++); \
121 req.target_id = rte_cpu_to_le_16(0xffff); \
122 req.resp_addr = rte_cpu_to_le_64(bp->hwrm_cmd_resp_dma_addr)
124 #define HWRM_CHECK_RESULT \
127 RTE_LOG(ERR, PMD, "%s failed rc:%d\n", \
131 if (resp->error_code) { \
132 rc = rte_le_to_cpu_16(resp->error_code); \
133 RTE_LOG(ERR, PMD, "%s error %d\n", __func__, rc); \
138 int bnxt_hwrm_func_qcaps(struct bnxt *bp)
141 struct hwrm_func_qcaps_input req = {.req_type = 0 };
142 struct hwrm_func_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
144 HWRM_PREP(req, FUNC_QCAPS, -1, resp);
146 req.fid = rte_cpu_to_le_16(0xffff);
148 rc = bnxt_hwrm_send_message(bp, &req, sizeof(req));
153 struct bnxt_pf_info *pf = &bp->pf;
155 pf->fw_fid = rte_le_to_cpu_32(resp->fid);
156 pf->port_id = resp->port_id;
157 memcpy(pf->mac_addr, resp->perm_mac_address, ETHER_ADDR_LEN);
158 pf->max_rsscos_ctx = rte_le_to_cpu_16(resp->max_rsscos_ctx);
159 pf->max_cp_rings = rte_le_to_cpu_16(resp->max_cmpl_rings);
160 pf->max_tx_rings = rte_le_to_cpu_16(resp->max_tx_rings);
161 pf->max_rx_rings = rte_le_to_cpu_16(resp->max_rx_rings);
162 pf->max_l2_ctx = rte_le_to_cpu_16(resp->max_l2_ctxs);
163 pf->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
164 pf->first_vf_id = rte_le_to_cpu_16(resp->first_vf_id);
165 pf->max_vfs = rte_le_to_cpu_16(resp->max_vfs);
167 struct bnxt_vf_info *vf = &bp->vf;
169 vf->fw_fid = rte_le_to_cpu_32(resp->fid);
170 memcpy(vf->mac_addr, &resp->perm_mac_address, ETHER_ADDR_LEN);
171 vf->max_rsscos_ctx = rte_le_to_cpu_16(resp->max_rsscos_ctx);
172 vf->max_cp_rings = rte_le_to_cpu_16(resp->max_cmpl_rings);
173 vf->max_tx_rings = rte_le_to_cpu_16(resp->max_tx_rings);
174 vf->max_rx_rings = rte_le_to_cpu_16(resp->max_rx_rings);
175 vf->max_l2_ctx = rte_le_to_cpu_16(resp->max_l2_ctxs);
176 vf->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
182 int bnxt_hwrm_func_driver_register(struct bnxt *bp, uint32_t flags,
183 uint32_t *vf_req_fwd)
186 struct hwrm_func_drv_rgtr_input req = {.req_type = 0 };
187 struct hwrm_func_drv_rgtr_output *resp = bp->hwrm_cmd_resp_addr;
189 if (bp->flags & BNXT_FLAG_REGISTERED)
192 HWRM_PREP(req, FUNC_DRV_RGTR, -1, resp);
194 req.enables = HWRM_FUNC_DRV_RGTR_INPUT_ENABLES_VER;
195 req.ver_maj = RTE_VER_YEAR;
196 req.ver_min = RTE_VER_MONTH;
197 req.ver_upd = RTE_VER_MINOR;
199 memcpy(req.vf_req_fwd, vf_req_fwd, sizeof(req.vf_req_fwd));
201 rc = bnxt_hwrm_send_message(bp, &req, sizeof(req));
205 bp->flags |= BNXT_FLAG_REGISTERED;
210 int bnxt_hwrm_ver_get(struct bnxt *bp)
213 struct hwrm_ver_get_input req = {.req_type = 0 };
214 struct hwrm_ver_get_output *resp = bp->hwrm_cmd_resp_addr;
217 uint16_t max_resp_len;
218 char type[RTE_MEMZONE_NAMESIZE];
220 HWRM_PREP(req, VER_GET, -1, resp);
222 req.hwrm_intf_maj = HWRM_VERSION_MAJOR;
223 req.hwrm_intf_min = HWRM_VERSION_MINOR;
224 req.hwrm_intf_upd = HWRM_VERSION_UPDATE;
227 * Hold the lock since we may be adjusting the response pointers.
229 rte_spinlock_lock(&bp->hwrm_lock);
230 rc = bnxt_hwrm_send_message_locked(bp, &req, sizeof(req));
234 RTE_LOG(INFO, PMD, "%d.%d.%d:%d.%d.%d\n",
235 resp->hwrm_intf_maj, resp->hwrm_intf_min,
237 resp->hwrm_fw_maj, resp->hwrm_fw_min, resp->hwrm_fw_bld);
239 my_version = HWRM_VERSION_MAJOR << 16;
240 my_version |= HWRM_VERSION_MINOR << 8;
241 my_version |= HWRM_VERSION_UPDATE;
243 fw_version = resp->hwrm_intf_maj << 16;
244 fw_version |= resp->hwrm_intf_min << 8;
245 fw_version |= resp->hwrm_intf_upd;
247 if (resp->hwrm_intf_maj != HWRM_VERSION_MAJOR) {
248 RTE_LOG(ERR, PMD, "Unsupported firmware API version\n");
253 if (my_version != fw_version) {
254 RTE_LOG(INFO, PMD, "BNXT Driver/HWRM API mismatch.\n");
255 if (my_version < fw_version) {
257 "Firmware API version is newer than driver.\n");
259 "The driver may be missing features.\n");
262 "Firmware API version is older than driver.\n");
264 "Not all driver features may be functional.\n");
268 if (bp->max_req_len > resp->max_req_win_len) {
269 RTE_LOG(ERR, PMD, "Unsupported request length\n");
272 bp->max_req_len = resp->max_req_win_len;
273 max_resp_len = resp->max_resp_len;
274 if (bp->max_resp_len != max_resp_len) {
275 sprintf(type, "bnxt_hwrm_%04x:%02x:%02x:%02x",
276 bp->pdev->addr.domain, bp->pdev->addr.bus,
277 bp->pdev->addr.devid, bp->pdev->addr.function);
279 rte_free(bp->hwrm_cmd_resp_addr);
281 bp->hwrm_cmd_resp_addr = rte_malloc(type, max_resp_len, 0);
282 if (bp->hwrm_cmd_resp_addr == NULL) {
286 bp->hwrm_cmd_resp_dma_addr =
287 rte_malloc_virt2phy(bp->hwrm_cmd_resp_addr);
288 bp->max_resp_len = max_resp_len;
292 rte_spinlock_unlock(&bp->hwrm_lock);
296 int bnxt_hwrm_func_driver_unregister(struct bnxt *bp, uint32_t flags)
299 struct hwrm_func_drv_unrgtr_input req = {.req_type = 0 };
300 struct hwrm_func_drv_unrgtr_output *resp = bp->hwrm_cmd_resp_addr;
302 if (!(bp->flags & BNXT_FLAG_REGISTERED))
305 HWRM_PREP(req, FUNC_DRV_UNRGTR, -1, resp);
308 rc = bnxt_hwrm_send_message(bp, &req, sizeof(req));
312 bp->flags &= ~BNXT_FLAG_REGISTERED;
317 int bnxt_hwrm_queue_qportcfg(struct bnxt *bp)
320 struct hwrm_queue_qportcfg_input req = {.req_type = 0 };
321 struct hwrm_queue_qportcfg_output *resp = bp->hwrm_cmd_resp_addr;
323 HWRM_PREP(req, QUEUE_QPORTCFG, -1, resp);
325 rc = bnxt_hwrm_send_message(bp, &req, sizeof(req));
329 #define GET_QUEUE_INFO(x) \
330 bp->cos_queue[x].id = resp->queue_id##x; \
331 bp->cos_queue[x].profile = resp->queue_id##x##_service_profile
346 * HWRM utility functions
349 void bnxt_free_hwrm_resources(struct bnxt *bp)
351 /* Release memzone */
352 rte_free(bp->hwrm_cmd_resp_addr);
353 bp->hwrm_cmd_resp_addr = NULL;
354 bp->hwrm_cmd_resp_dma_addr = 0;
357 int bnxt_alloc_hwrm_resources(struct bnxt *bp)
359 struct rte_pci_device *pdev = bp->pdev;
360 char type[RTE_MEMZONE_NAMESIZE];
362 sprintf(type, "bnxt_hwrm_%04x:%02x:%02x:%02x", pdev->addr.domain,
363 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
364 bp->max_req_len = HWRM_MAX_REQ_LEN;
365 bp->max_resp_len = HWRM_MAX_RESP_LEN;
366 bp->hwrm_cmd_resp_addr = rte_malloc(type, bp->max_resp_len, 0);
367 if (bp->hwrm_cmd_resp_addr == NULL)
369 bp->hwrm_cmd_resp_dma_addr =
370 rte_malloc_virt2phy(bp->hwrm_cmd_resp_addr);
371 rte_spinlock_init(&bp->hwrm_lock);