11adf7eadSJacob Keller // SPDX-License-Identifier: GPL-2.0 21adf7eadSJacob Keller /* Copyright (c) 2020, Intel Corporation. */ 31adf7eadSJacob Keller 4b6459415SJakub Kicinski #include <linux/vmalloc.h> 5b6459415SJakub Kicinski 61adf7eadSJacob Keller #include "ice.h" 7ff2e5c70SJacob Keller #include "ice_lib.h" 81adf7eadSJacob Keller #include "ice_devlink.h" 93ea9bd5dSMichal Swiatkowski #include "ice_eswitch.h" 10d69ea414SJacob Keller #include "ice_fw_update.h" 111adf7eadSJacob Keller 1274789085SJacob Keller /* context for devlink info version reporting */ 1374789085SJacob Keller struct ice_info_ctx { 1474789085SJacob Keller char buf[128]; 15e67fbcfbSJacob Keller struct ice_orom_info pending_orom; 162c4fe41dSJacob Keller struct ice_nvm_info pending_nvm; 17e120a9abSJacob Keller struct ice_netlist_info pending_netlist; 182c4fe41dSJacob Keller struct ice_hw_dev_caps dev_caps; 1974789085SJacob Keller }; 2074789085SJacob Keller 2174789085SJacob Keller /* The following functions are used to format specific strings for various 2274789085SJacob Keller * devlink info versions. The ctx parameter is used to provide the storage 2374789085SJacob Keller * buffer, as well as any ancillary information calculated when the info 2474789085SJacob Keller * request was made. 2574789085SJacob Keller * 2674789085SJacob Keller * If a version does not exist, for example when attempting to get the 2774789085SJacob Keller * inactive version of flash when there is no pending update, the function 280128cc6eSJacob Keller * should leave the buffer in the ctx structure empty. 2974789085SJacob Keller */ 3074789085SJacob Keller 3174789085SJacob Keller static void ice_info_get_dsn(struct ice_pf *pf, struct ice_info_ctx *ctx) 32ff2e5c70SJacob Keller { 33ff2e5c70SJacob Keller u8 dsn[8]; 34ff2e5c70SJacob Keller 35ff2e5c70SJacob Keller /* Copy the DSN into an array in Big Endian format */ 36ff2e5c70SJacob Keller put_unaligned_be64(pci_get_dsn(pf->pdev), dsn); 37ff2e5c70SJacob Keller 3874789085SJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%8phD", dsn); 39ff2e5c70SJacob Keller } 40ff2e5c70SJacob Keller 410128cc6eSJacob Keller static void ice_info_pba(struct ice_pf *pf, struct ice_info_ctx *ctx) 42e961b679SJacob Keller { 43e961b679SJacob Keller struct ice_hw *hw = &pf->hw; 445e24d598STony Nguyen int status; 45e961b679SJacob Keller 4674789085SJacob Keller status = ice_read_pba_string(hw, (u8 *)ctx->buf, sizeof(ctx->buf)); 47e961b679SJacob Keller if (status) 48a8f89fa2SJacob Keller /* We failed to locate the PBA, so just skip this entry */ 495f87ec48STony Nguyen dev_dbg(ice_pf_to_dev(pf), "Failed to read Product Board Assembly string, status %d\n", 505f87ec48STony Nguyen status); 51e961b679SJacob Keller } 52e961b679SJacob Keller 530128cc6eSJacob Keller static void ice_info_fw_mgmt(struct ice_pf *pf, struct ice_info_ctx *ctx) 54ff2e5c70SJacob Keller { 55ff2e5c70SJacob Keller struct ice_hw *hw = &pf->hw; 56ff2e5c70SJacob Keller 570128cc6eSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u", 580128cc6eSJacob Keller hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch); 59ff2e5c70SJacob Keller } 60ff2e5c70SJacob Keller 610128cc6eSJacob Keller static void ice_info_fw_api(struct ice_pf *pf, struct ice_info_ctx *ctx) 62ff2e5c70SJacob Keller { 63ff2e5c70SJacob Keller struct ice_hw *hw = &pf->hw; 64ff2e5c70SJacob Keller 65b726ddf9SBrett Creeley snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u", hw->api_maj_ver, 66b726ddf9SBrett Creeley hw->api_min_ver, hw->api_patch); 67ff2e5c70SJacob Keller } 68ff2e5c70SJacob Keller 690128cc6eSJacob Keller static void ice_info_fw_build(struct ice_pf *pf, struct ice_info_ctx *ctx) 70ff2e5c70SJacob Keller { 71ff2e5c70SJacob Keller struct ice_hw *hw = &pf->hw; 72ff2e5c70SJacob Keller 7374789085SJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", hw->fw_build); 74ff2e5c70SJacob Keller } 75ff2e5c70SJacob Keller 760128cc6eSJacob Keller static void ice_info_orom_ver(struct ice_pf *pf, struct ice_info_ctx *ctx) 77ff2e5c70SJacob Keller { 789af368faSJacob Keller struct ice_orom_info *orom = &pf->hw.flash.orom; 79ff2e5c70SJacob Keller 800128cc6eSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u", 810128cc6eSJacob Keller orom->major, orom->build, orom->patch); 82ff2e5c70SJacob Keller } 83ff2e5c70SJacob Keller 840128cc6eSJacob Keller static void 850128cc6eSJacob Keller ice_info_pending_orom_ver(struct ice_pf __always_unused *pf, 860128cc6eSJacob Keller struct ice_info_ctx *ctx) 87e67fbcfbSJacob Keller { 88e67fbcfbSJacob Keller struct ice_orom_info *orom = &ctx->pending_orom; 89e67fbcfbSJacob Keller 90e67fbcfbSJacob Keller if (ctx->dev_caps.common_cap.nvm_update_pending_orom) 91e67fbcfbSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u", 92e67fbcfbSJacob Keller orom->major, orom->build, orom->patch); 93e67fbcfbSJacob Keller } 94e67fbcfbSJacob Keller 950128cc6eSJacob Keller static void ice_info_nvm_ver(struct ice_pf *pf, struct ice_info_ctx *ctx) 96ff2e5c70SJacob Keller { 979af368faSJacob Keller struct ice_nvm_info *nvm = &pf->hw.flash.nvm; 98ff2e5c70SJacob Keller 9974789085SJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%x.%02x", nvm->major, nvm->minor); 100ff2e5c70SJacob Keller } 101ff2e5c70SJacob Keller 1020128cc6eSJacob Keller static void 1030128cc6eSJacob Keller ice_info_pending_nvm_ver(struct ice_pf __always_unused *pf, 1040128cc6eSJacob Keller struct ice_info_ctx *ctx) 1052c4fe41dSJacob Keller { 1062c4fe41dSJacob Keller struct ice_nvm_info *nvm = &ctx->pending_nvm; 1072c4fe41dSJacob Keller 1082c4fe41dSJacob Keller if (ctx->dev_caps.common_cap.nvm_update_pending_nvm) 1090128cc6eSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%x.%02x", 1100128cc6eSJacob Keller nvm->major, nvm->minor); 1112c4fe41dSJacob Keller } 1122c4fe41dSJacob Keller 1130128cc6eSJacob Keller static void ice_info_eetrack(struct ice_pf *pf, struct ice_info_ctx *ctx) 114ff2e5c70SJacob Keller { 1159af368faSJacob Keller struct ice_nvm_info *nvm = &pf->hw.flash.nvm; 116ff2e5c70SJacob Keller 11774789085SJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", nvm->eetrack); 118ff2e5c70SJacob Keller } 119ff2e5c70SJacob Keller 1200128cc6eSJacob Keller static void 1210128cc6eSJacob Keller ice_info_pending_eetrack(struct ice_pf *pf, struct ice_info_ctx *ctx) 1222c4fe41dSJacob Keller { 1232c4fe41dSJacob Keller struct ice_nvm_info *nvm = &ctx->pending_nvm; 1242c4fe41dSJacob Keller 1252c4fe41dSJacob Keller if (ctx->dev_caps.common_cap.nvm_update_pending_nvm) 1262c4fe41dSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", nvm->eetrack); 1272c4fe41dSJacob Keller } 1282c4fe41dSJacob Keller 1290128cc6eSJacob Keller static void ice_info_ddp_pkg_name(struct ice_pf *pf, struct ice_info_ctx *ctx) 130ff2e5c70SJacob Keller { 131ff2e5c70SJacob Keller struct ice_hw *hw = &pf->hw; 132ff2e5c70SJacob Keller 13374789085SJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%s", hw->active_pkg_name); 134ff2e5c70SJacob Keller } 135ff2e5c70SJacob Keller 1360128cc6eSJacob Keller static void 1370128cc6eSJacob Keller ice_info_ddp_pkg_version(struct ice_pf *pf, struct ice_info_ctx *ctx) 138ff2e5c70SJacob Keller { 139ff2e5c70SJacob Keller struct ice_pkg_ver *pkg = &pf->hw.active_pkg_ver; 140ff2e5c70SJacob Keller 1410128cc6eSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u.%u", 1420128cc6eSJacob Keller pkg->major, pkg->minor, pkg->update, pkg->draft); 143ff2e5c70SJacob Keller } 144ff2e5c70SJacob Keller 1450128cc6eSJacob Keller static void 1460128cc6eSJacob Keller ice_info_ddp_pkg_bundle_id(struct ice_pf *pf, struct ice_info_ctx *ctx) 147410d0687SJacob Keller { 14874789085SJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", pf->hw.active_track_id); 149410d0687SJacob Keller } 150410d0687SJacob Keller 1510128cc6eSJacob Keller static void ice_info_netlist_ver(struct ice_pf *pf, struct ice_info_ctx *ctx) 152f45a645fSJacob Keller { 1539af368faSJacob Keller struct ice_netlist_info *netlist = &pf->hw.flash.netlist; 154f45a645fSJacob Keller 155f45a645fSJacob Keller /* The netlist version fields are BCD formatted */ 1560128cc6eSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%x.%x.%x-%x.%x.%x", 1570128cc6eSJacob Keller netlist->major, netlist->minor, 1580128cc6eSJacob Keller netlist->type >> 16, netlist->type & 0xFFFF, 1590128cc6eSJacob Keller netlist->rev, netlist->cust_ver); 160f45a645fSJacob Keller } 161f45a645fSJacob Keller 1620128cc6eSJacob Keller static void ice_info_netlist_build(struct ice_pf *pf, struct ice_info_ctx *ctx) 163f45a645fSJacob Keller { 1649af368faSJacob Keller struct ice_netlist_info *netlist = &pf->hw.flash.netlist; 165f45a645fSJacob Keller 16674789085SJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", netlist->hash); 167f45a645fSJacob Keller } 168f45a645fSJacob Keller 1690128cc6eSJacob Keller static void 1700128cc6eSJacob Keller ice_info_pending_netlist_ver(struct ice_pf __always_unused *pf, 1710128cc6eSJacob Keller struct ice_info_ctx *ctx) 172e120a9abSJacob Keller { 173e120a9abSJacob Keller struct ice_netlist_info *netlist = &ctx->pending_netlist; 174e120a9abSJacob Keller 175e120a9abSJacob Keller /* The netlist version fields are BCD formatted */ 176e120a9abSJacob Keller if (ctx->dev_caps.common_cap.nvm_update_pending_netlist) 177e120a9abSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "%x.%x.%x-%x.%x.%x", 178e120a9abSJacob Keller netlist->major, netlist->minor, 1790128cc6eSJacob Keller netlist->type >> 16, netlist->type & 0xFFFF, 1800128cc6eSJacob Keller netlist->rev, netlist->cust_ver); 181e120a9abSJacob Keller } 182e120a9abSJacob Keller 1830128cc6eSJacob Keller static void 1840128cc6eSJacob Keller ice_info_pending_netlist_build(struct ice_pf __always_unused *pf, 1850128cc6eSJacob Keller struct ice_info_ctx *ctx) 186e120a9abSJacob Keller { 187e120a9abSJacob Keller struct ice_netlist_info *netlist = &ctx->pending_netlist; 188e120a9abSJacob Keller 189e120a9abSJacob Keller if (ctx->dev_caps.common_cap.nvm_update_pending_netlist) 190e120a9abSJacob Keller snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", netlist->hash); 191e120a9abSJacob Keller } 192e120a9abSJacob Keller 1932c4fe41dSJacob Keller #define fixed(key, getter) { ICE_VERSION_FIXED, key, getter, NULL } 1942c4fe41dSJacob Keller #define running(key, getter) { ICE_VERSION_RUNNING, key, getter, NULL } 1952c4fe41dSJacob Keller #define stored(key, getter, fallback) { ICE_VERSION_STORED, key, getter, fallback } 1962c4fe41dSJacob Keller 1972c4fe41dSJacob Keller /* The combined() macro inserts both the running entry as well as a stored 1982c4fe41dSJacob Keller * entry. The running entry will always report the version from the active 1992c4fe41dSJacob Keller * handler. The stored entry will first try the pending handler, and fallback 2002c4fe41dSJacob Keller * to the active handler if the pending function does not report a version. 2012c4fe41dSJacob Keller * The pending handler should check the status of a pending update for the 2022c4fe41dSJacob Keller * relevant flash component. It should only fill in the buffer in the case 2032c4fe41dSJacob Keller * where a valid pending version is available. This ensures that the related 2042c4fe41dSJacob Keller * stored and running versions remain in sync, and that stored versions are 2052c4fe41dSJacob Keller * correctly reported as expected. 2062c4fe41dSJacob Keller */ 2072c4fe41dSJacob Keller #define combined(key, active, pending) \ 2082c4fe41dSJacob Keller running(key, active), \ 2092c4fe41dSJacob Keller stored(key, pending, active) 210ff2e5c70SJacob Keller 211ff2e5c70SJacob Keller enum ice_version_type { 212ff2e5c70SJacob Keller ICE_VERSION_FIXED, 213ff2e5c70SJacob Keller ICE_VERSION_RUNNING, 214ff2e5c70SJacob Keller ICE_VERSION_STORED, 215ff2e5c70SJacob Keller }; 216ff2e5c70SJacob Keller 217ff2e5c70SJacob Keller static const struct ice_devlink_version { 218ff2e5c70SJacob Keller enum ice_version_type type; 219ff2e5c70SJacob Keller const char *key; 2200128cc6eSJacob Keller void (*getter)(struct ice_pf *pf, struct ice_info_ctx *ctx); 2210128cc6eSJacob Keller void (*fallback)(struct ice_pf *pf, struct ice_info_ctx *ctx); 222ff2e5c70SJacob Keller } ice_devlink_versions[] = { 223e961b679SJacob Keller fixed(DEVLINK_INFO_VERSION_GENERIC_BOARD_ID, ice_info_pba), 224ff2e5c70SJacob Keller running(DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, ice_info_fw_mgmt), 225ff2e5c70SJacob Keller running("fw.mgmt.api", ice_info_fw_api), 226ff2e5c70SJacob Keller running("fw.mgmt.build", ice_info_fw_build), 227e67fbcfbSJacob Keller combined(DEVLINK_INFO_VERSION_GENERIC_FW_UNDI, ice_info_orom_ver, ice_info_pending_orom_ver), 2282c4fe41dSJacob Keller combined("fw.psid.api", ice_info_nvm_ver, ice_info_pending_nvm_ver), 2292c4fe41dSJacob Keller combined(DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID, ice_info_eetrack, ice_info_pending_eetrack), 230ff2e5c70SJacob Keller running("fw.app.name", ice_info_ddp_pkg_name), 231ff2e5c70SJacob Keller running(DEVLINK_INFO_VERSION_GENERIC_FW_APP, ice_info_ddp_pkg_version), 232410d0687SJacob Keller running("fw.app.bundle_id", ice_info_ddp_pkg_bundle_id), 233e120a9abSJacob Keller combined("fw.netlist", ice_info_netlist_ver, ice_info_pending_netlist_ver), 234e120a9abSJacob Keller combined("fw.netlist.build", ice_info_netlist_build, ice_info_pending_netlist_build), 235ff2e5c70SJacob Keller }; 236ff2e5c70SJacob Keller 237ff2e5c70SJacob Keller /** 238ff2e5c70SJacob Keller * ice_devlink_info_get - .info_get devlink handler 239ff2e5c70SJacob Keller * @devlink: devlink instance structure 240ff2e5c70SJacob Keller * @req: the devlink info request 241ff2e5c70SJacob Keller * @extack: extended netdev ack structure 242ff2e5c70SJacob Keller * 243ff2e5c70SJacob Keller * Callback for the devlink .info_get operation. Reports information about the 244ff2e5c70SJacob Keller * device. 245ff2e5c70SJacob Keller * 246e961b679SJacob Keller * Return: zero on success or an error code on failure. 247ff2e5c70SJacob Keller */ 248ff2e5c70SJacob Keller static int ice_devlink_info_get(struct devlink *devlink, 249ff2e5c70SJacob Keller struct devlink_info_req *req, 250ff2e5c70SJacob Keller struct netlink_ext_ack *extack) 251ff2e5c70SJacob Keller { 252ff2e5c70SJacob Keller struct ice_pf *pf = devlink_priv(devlink); 2532c4fe41dSJacob Keller struct device *dev = ice_pf_to_dev(pf); 2542c4fe41dSJacob Keller struct ice_hw *hw = &pf->hw; 25574789085SJacob Keller struct ice_info_ctx *ctx; 256ff2e5c70SJacob Keller size_t i; 257ff2e5c70SJacob Keller int err; 258ff2e5c70SJacob Keller 2591c08052eSJacob Keller err = ice_wait_for_reset(pf, 10 * HZ); 2601c08052eSJacob Keller if (err) { 2611c08052eSJacob Keller NL_SET_ERR_MSG_MOD(extack, "Device is busy resetting"); 2621c08052eSJacob Keller return err; 2631c08052eSJacob Keller } 2641c08052eSJacob Keller 26574789085SJacob Keller ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 26674789085SJacob Keller if (!ctx) 26774789085SJacob Keller return -ENOMEM; 26874789085SJacob Keller 2692c4fe41dSJacob Keller /* discover capabilities first */ 2702ccc1c1cSTony Nguyen err = ice_discover_dev_caps(hw, &ctx->dev_caps); 2712ccc1c1cSTony Nguyen if (err) { 2725f87ec48STony Nguyen dev_dbg(dev, "Failed to discover device capabilities, status %d aq_err %s\n", 2732ccc1c1cSTony Nguyen err, ice_aq_str(hw->adminq.sq_last_status)); 274d5f84ae9SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Unable to discover device capabilities"); 2752c4fe41dSJacob Keller goto out_free_ctx; 2762c4fe41dSJacob Keller } 2772c4fe41dSJacob Keller 278e67fbcfbSJacob Keller if (ctx->dev_caps.common_cap.nvm_update_pending_orom) { 2792ccc1c1cSTony Nguyen err = ice_get_inactive_orom_ver(hw, &ctx->pending_orom); 2802ccc1c1cSTony Nguyen if (err) { 2815f87ec48STony Nguyen dev_dbg(dev, "Unable to read inactive Option ROM version data, status %d aq_err %s\n", 2822ccc1c1cSTony Nguyen err, ice_aq_str(hw->adminq.sq_last_status)); 283e67fbcfbSJacob Keller 284e67fbcfbSJacob Keller /* disable display of pending Option ROM */ 285e67fbcfbSJacob Keller ctx->dev_caps.common_cap.nvm_update_pending_orom = false; 286e67fbcfbSJacob Keller } 287e67fbcfbSJacob Keller } 288e67fbcfbSJacob Keller 2892c4fe41dSJacob Keller if (ctx->dev_caps.common_cap.nvm_update_pending_nvm) { 2902ccc1c1cSTony Nguyen err = ice_get_inactive_nvm_ver(hw, &ctx->pending_nvm); 2912ccc1c1cSTony Nguyen if (err) { 2925f87ec48STony Nguyen dev_dbg(dev, "Unable to read inactive NVM version data, status %d aq_err %s\n", 2932ccc1c1cSTony Nguyen err, ice_aq_str(hw->adminq.sq_last_status)); 2942c4fe41dSJacob Keller 2952c4fe41dSJacob Keller /* disable display of pending Option ROM */ 2962c4fe41dSJacob Keller ctx->dev_caps.common_cap.nvm_update_pending_nvm = false; 2972c4fe41dSJacob Keller } 2982c4fe41dSJacob Keller } 2992c4fe41dSJacob Keller 300e120a9abSJacob Keller if (ctx->dev_caps.common_cap.nvm_update_pending_netlist) { 3012ccc1c1cSTony Nguyen err = ice_get_inactive_netlist_ver(hw, &ctx->pending_netlist); 3022ccc1c1cSTony Nguyen if (err) { 3035f87ec48STony Nguyen dev_dbg(dev, "Unable to read inactive Netlist version data, status %d aq_err %s\n", 3042ccc1c1cSTony Nguyen err, ice_aq_str(hw->adminq.sq_last_status)); 305e120a9abSJacob Keller 306e120a9abSJacob Keller /* disable display of pending Option ROM */ 307e120a9abSJacob Keller ctx->dev_caps.common_cap.nvm_update_pending_netlist = false; 308e120a9abSJacob Keller } 309e120a9abSJacob Keller } 310e120a9abSJacob Keller 311ff2e5c70SJacob Keller err = devlink_info_driver_name_put(req, KBUILD_MODNAME); 312ff2e5c70SJacob Keller if (err) { 313ff2e5c70SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Unable to set driver name"); 31474789085SJacob Keller goto out_free_ctx; 315ff2e5c70SJacob Keller } 316ff2e5c70SJacob Keller 31774789085SJacob Keller ice_info_get_dsn(pf, ctx); 318ff2e5c70SJacob Keller 31974789085SJacob Keller err = devlink_info_serial_number_put(req, ctx->buf); 320ff2e5c70SJacob Keller if (err) { 321ff2e5c70SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Unable to set serial number"); 32274789085SJacob Keller goto out_free_ctx; 323ff2e5c70SJacob Keller } 324ff2e5c70SJacob Keller 325ff2e5c70SJacob Keller for (i = 0; i < ARRAY_SIZE(ice_devlink_versions); i++) { 326ff2e5c70SJacob Keller enum ice_version_type type = ice_devlink_versions[i].type; 327ff2e5c70SJacob Keller const char *key = ice_devlink_versions[i].key; 328ff2e5c70SJacob Keller 32974789085SJacob Keller memset(ctx->buf, 0, sizeof(ctx->buf)); 33074789085SJacob Keller 3310128cc6eSJacob Keller ice_devlink_versions[i].getter(pf, ctx); 332ff2e5c70SJacob Keller 3332c4fe41dSJacob Keller /* If the default getter doesn't report a version, use the 3342c4fe41dSJacob Keller * fallback function. This is primarily useful in the case of 3352c4fe41dSJacob Keller * "stored" versions that want to report the same value as the 3362c4fe41dSJacob Keller * running version in the normal case of no pending update. 3372c4fe41dSJacob Keller */ 3380128cc6eSJacob Keller if (ctx->buf[0] == '\0' && ice_devlink_versions[i].fallback) 3390128cc6eSJacob Keller ice_devlink_versions[i].fallback(pf, ctx); 3402c4fe41dSJacob Keller 34174789085SJacob Keller /* Do not report missing versions */ 34274789085SJacob Keller if (ctx->buf[0] == '\0') 34374789085SJacob Keller continue; 34474789085SJacob Keller 345ff2e5c70SJacob Keller switch (type) { 346ff2e5c70SJacob Keller case ICE_VERSION_FIXED: 34774789085SJacob Keller err = devlink_info_version_fixed_put(req, key, ctx->buf); 348ff2e5c70SJacob Keller if (err) { 349ff2e5c70SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Unable to set fixed version"); 35074789085SJacob Keller goto out_free_ctx; 351ff2e5c70SJacob Keller } 352ff2e5c70SJacob Keller break; 353ff2e5c70SJacob Keller case ICE_VERSION_RUNNING: 35474789085SJacob Keller err = devlink_info_version_running_put(req, key, ctx->buf); 355ff2e5c70SJacob Keller if (err) { 356ff2e5c70SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Unable to set running version"); 35774789085SJacob Keller goto out_free_ctx; 358ff2e5c70SJacob Keller } 359ff2e5c70SJacob Keller break; 360ff2e5c70SJacob Keller case ICE_VERSION_STORED: 36174789085SJacob Keller err = devlink_info_version_stored_put(req, key, ctx->buf); 362ff2e5c70SJacob Keller if (err) { 363ff2e5c70SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Unable to set stored version"); 36474789085SJacob Keller goto out_free_ctx; 365ff2e5c70SJacob Keller } 366ff2e5c70SJacob Keller break; 367ff2e5c70SJacob Keller } 368ff2e5c70SJacob Keller } 369ff2e5c70SJacob Keller 37074789085SJacob Keller out_free_ctx: 37174789085SJacob Keller kfree(ctx); 37274789085SJacob Keller return err; 373ff2e5c70SJacob Keller } 374ff2e5c70SJacob Keller 375399e27dbSJacob Keller /** 376399e27dbSJacob Keller * ice_devlink_reload_empr_start - Start EMP reset to activate new firmware 377399e27dbSJacob Keller * @devlink: pointer to the devlink instance to reload 378399e27dbSJacob Keller * @netns_change: if true, the network namespace is changing 379399e27dbSJacob Keller * @action: the action to perform. Must be DEVLINK_RELOAD_ACTION_FW_ACTIVATE 380399e27dbSJacob Keller * @limit: limits on what reload should do, such as not resetting 381399e27dbSJacob Keller * @extack: netlink extended ACK structure 382399e27dbSJacob Keller * 383399e27dbSJacob Keller * Allow user to activate new Embedded Management Processor firmware by 384399e27dbSJacob Keller * issuing device specific EMP reset. Called in response to 385399e27dbSJacob Keller * a DEVLINK_CMD_RELOAD with the DEVLINK_RELOAD_ACTION_FW_ACTIVATE. 386399e27dbSJacob Keller * 387399e27dbSJacob Keller * Note that teardown and rebuild of the driver state happens automatically as 388399e27dbSJacob Keller * part of an interrupt and watchdog task. This is because all physical 389399e27dbSJacob Keller * functions on the device must be able to reset when an EMP reset occurs from 390399e27dbSJacob Keller * any source. 391399e27dbSJacob Keller */ 392399e27dbSJacob Keller static int 393399e27dbSJacob Keller ice_devlink_reload_empr_start(struct devlink *devlink, bool netns_change, 394399e27dbSJacob Keller enum devlink_reload_action action, 395399e27dbSJacob Keller enum devlink_reload_limit limit, 396399e27dbSJacob Keller struct netlink_ext_ack *extack) 397399e27dbSJacob Keller { 398399e27dbSJacob Keller struct ice_pf *pf = devlink_priv(devlink); 399399e27dbSJacob Keller struct device *dev = ice_pf_to_dev(pf); 400399e27dbSJacob Keller struct ice_hw *hw = &pf->hw; 401399e27dbSJacob Keller u8 pending; 402399e27dbSJacob Keller int err; 403399e27dbSJacob Keller 404399e27dbSJacob Keller err = ice_get_pending_updates(pf, &pending, extack); 405399e27dbSJacob Keller if (err) 406399e27dbSJacob Keller return err; 407399e27dbSJacob Keller 408399e27dbSJacob Keller /* pending is a bitmask of which flash banks have a pending update, 409399e27dbSJacob Keller * including the main NVM bank, the Option ROM bank, and the netlist 410399e27dbSJacob Keller * bank. If any of these bits are set, then there is a pending update 411399e27dbSJacob Keller * waiting to be activated. 412399e27dbSJacob Keller */ 413399e27dbSJacob Keller if (!pending) { 414399e27dbSJacob Keller NL_SET_ERR_MSG_MOD(extack, "No pending firmware update"); 415399e27dbSJacob Keller return -ECANCELED; 416399e27dbSJacob Keller } 417399e27dbSJacob Keller 418399e27dbSJacob Keller if (pf->fw_emp_reset_disabled) { 419399e27dbSJacob Keller NL_SET_ERR_MSG_MOD(extack, "EMP reset is not available. To activate firmware, a reboot or power cycle is needed"); 420399e27dbSJacob Keller return -ECANCELED; 421399e27dbSJacob Keller } 422399e27dbSJacob Keller 423399e27dbSJacob Keller dev_dbg(dev, "Issuing device EMP reset to activate firmware\n"); 424399e27dbSJacob Keller 425399e27dbSJacob Keller err = ice_aq_nvm_update_empr(hw); 426399e27dbSJacob Keller if (err) { 427399e27dbSJacob Keller dev_err(dev, "Failed to trigger EMP device reset to reload firmware, err %d aq_err %s\n", 428399e27dbSJacob Keller err, ice_aq_str(hw->adminq.sq_last_status)); 429399e27dbSJacob Keller NL_SET_ERR_MSG_MOD(extack, "Failed to trigger EMP device reset to reload firmware"); 430399e27dbSJacob Keller return err; 431399e27dbSJacob Keller } 432399e27dbSJacob Keller 433399e27dbSJacob Keller return 0; 434399e27dbSJacob Keller } 435399e27dbSJacob Keller 436399e27dbSJacob Keller /** 437399e27dbSJacob Keller * ice_devlink_reload_empr_finish - Wait for EMP reset to finish 438399e27dbSJacob Keller * @devlink: pointer to the devlink instance reloading 439399e27dbSJacob Keller * @action: the action requested 440399e27dbSJacob Keller * @limit: limits imposed by userspace, such as not resetting 441399e27dbSJacob Keller * @actions_performed: on return, indicate what actions actually performed 442399e27dbSJacob Keller * @extack: netlink extended ACK structure 443399e27dbSJacob Keller * 444399e27dbSJacob Keller * Wait for driver to finish rebuilding after EMP reset is completed. This 445399e27dbSJacob Keller * includes time to wait for both the actual device reset as well as the time 446399e27dbSJacob Keller * for the driver's rebuild to complete. 447399e27dbSJacob Keller */ 448399e27dbSJacob Keller static int 449399e27dbSJacob Keller ice_devlink_reload_empr_finish(struct devlink *devlink, 450399e27dbSJacob Keller enum devlink_reload_action action, 451399e27dbSJacob Keller enum devlink_reload_limit limit, 452399e27dbSJacob Keller u32 *actions_performed, 453399e27dbSJacob Keller struct netlink_ext_ack *extack) 454399e27dbSJacob Keller { 455399e27dbSJacob Keller struct ice_pf *pf = devlink_priv(devlink); 456399e27dbSJacob Keller int err; 457399e27dbSJacob Keller 458399e27dbSJacob Keller *actions_performed = BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE); 459399e27dbSJacob Keller 460399e27dbSJacob Keller err = ice_wait_for_reset(pf, 60 * HZ); 461399e27dbSJacob Keller if (err) { 462399e27dbSJacob Keller NL_SET_ERR_MSG_MOD(extack, "Device still resetting after 1 minute"); 463399e27dbSJacob Keller return err; 464399e27dbSJacob Keller } 465399e27dbSJacob Keller 466399e27dbSJacob Keller return 0; 467399e27dbSJacob Keller } 468399e27dbSJacob Keller 4691adf7eadSJacob Keller static const struct devlink_ops ice_devlink_ops = { 47050db1bcaSJacob Keller .supported_flash_update_params = DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK, 471399e27dbSJacob Keller .reload_actions = BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE), 472399e27dbSJacob Keller /* The ice driver currently does not support driver reinit */ 473399e27dbSJacob Keller .reload_down = ice_devlink_reload_empr_start, 474399e27dbSJacob Keller .reload_up = ice_devlink_reload_empr_finish, 4753ea9bd5dSMichal Swiatkowski .eswitch_mode_get = ice_eswitch_mode_get, 4763ea9bd5dSMichal Swiatkowski .eswitch_mode_set = ice_eswitch_mode_set, 477ff2e5c70SJacob Keller .info_get = ice_devlink_info_get, 478d69ea414SJacob Keller .flash_update = ice_devlink_flash_update, 4791adf7eadSJacob Keller }; 4801adf7eadSJacob Keller 481e523af4eSShiraz Saleem static int 482e523af4eSShiraz Saleem ice_devlink_enable_roce_get(struct devlink *devlink, u32 id, 483e523af4eSShiraz Saleem struct devlink_param_gset_ctx *ctx) 484e523af4eSShiraz Saleem { 485e523af4eSShiraz Saleem struct ice_pf *pf = devlink_priv(devlink); 486e523af4eSShiraz Saleem 4877b62483fSShiraz Saleem ctx->val.vbool = pf->rdma_mode & IIDC_RDMA_PROTOCOL_ROCEV2 ? true : false; 488e523af4eSShiraz Saleem 489e523af4eSShiraz Saleem return 0; 490e523af4eSShiraz Saleem } 491e523af4eSShiraz Saleem 492e523af4eSShiraz Saleem static int 493e523af4eSShiraz Saleem ice_devlink_enable_roce_set(struct devlink *devlink, u32 id, 494e523af4eSShiraz Saleem struct devlink_param_gset_ctx *ctx) 495e523af4eSShiraz Saleem { 496e523af4eSShiraz Saleem struct ice_pf *pf = devlink_priv(devlink); 497e523af4eSShiraz Saleem bool roce_ena = ctx->val.vbool; 498e523af4eSShiraz Saleem int ret; 499e523af4eSShiraz Saleem 500e523af4eSShiraz Saleem if (!roce_ena) { 501e523af4eSShiraz Saleem ice_unplug_aux_dev(pf); 502e523af4eSShiraz Saleem pf->rdma_mode &= ~IIDC_RDMA_PROTOCOL_ROCEV2; 503e523af4eSShiraz Saleem return 0; 504e523af4eSShiraz Saleem } 505e523af4eSShiraz Saleem 506e523af4eSShiraz Saleem pf->rdma_mode |= IIDC_RDMA_PROTOCOL_ROCEV2; 507e523af4eSShiraz Saleem ret = ice_plug_aux_dev(pf); 508e523af4eSShiraz Saleem if (ret) 509e523af4eSShiraz Saleem pf->rdma_mode &= ~IIDC_RDMA_PROTOCOL_ROCEV2; 510e523af4eSShiraz Saleem 511e523af4eSShiraz Saleem return ret; 512e523af4eSShiraz Saleem } 513e523af4eSShiraz Saleem 514e523af4eSShiraz Saleem static int 515e523af4eSShiraz Saleem ice_devlink_enable_roce_validate(struct devlink *devlink, u32 id, 516e523af4eSShiraz Saleem union devlink_param_value val, 517e523af4eSShiraz Saleem struct netlink_ext_ack *extack) 518e523af4eSShiraz Saleem { 519e523af4eSShiraz Saleem struct ice_pf *pf = devlink_priv(devlink); 520e523af4eSShiraz Saleem 521e523af4eSShiraz Saleem if (!test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) 522e523af4eSShiraz Saleem return -EOPNOTSUPP; 523e523af4eSShiraz Saleem 524e523af4eSShiraz Saleem if (pf->rdma_mode & IIDC_RDMA_PROTOCOL_IWARP) { 525e523af4eSShiraz Saleem NL_SET_ERR_MSG_MOD(extack, "iWARP is currently enabled. This device cannot enable iWARP and RoCEv2 simultaneously"); 526e523af4eSShiraz Saleem return -EOPNOTSUPP; 527e523af4eSShiraz Saleem } 528e523af4eSShiraz Saleem 529e523af4eSShiraz Saleem return 0; 530e523af4eSShiraz Saleem } 531e523af4eSShiraz Saleem 532e523af4eSShiraz Saleem static int 533e523af4eSShiraz Saleem ice_devlink_enable_iw_get(struct devlink *devlink, u32 id, 534e523af4eSShiraz Saleem struct devlink_param_gset_ctx *ctx) 535e523af4eSShiraz Saleem { 536e523af4eSShiraz Saleem struct ice_pf *pf = devlink_priv(devlink); 537e523af4eSShiraz Saleem 538e523af4eSShiraz Saleem ctx->val.vbool = pf->rdma_mode & IIDC_RDMA_PROTOCOL_IWARP; 539e523af4eSShiraz Saleem 540e523af4eSShiraz Saleem return 0; 541e523af4eSShiraz Saleem } 542e523af4eSShiraz Saleem 543e523af4eSShiraz Saleem static int 544e523af4eSShiraz Saleem ice_devlink_enable_iw_set(struct devlink *devlink, u32 id, 545e523af4eSShiraz Saleem struct devlink_param_gset_ctx *ctx) 546e523af4eSShiraz Saleem { 547e523af4eSShiraz Saleem struct ice_pf *pf = devlink_priv(devlink); 548e523af4eSShiraz Saleem bool iw_ena = ctx->val.vbool; 549e523af4eSShiraz Saleem int ret; 550e523af4eSShiraz Saleem 551e523af4eSShiraz Saleem if (!iw_ena) { 552e523af4eSShiraz Saleem ice_unplug_aux_dev(pf); 553e523af4eSShiraz Saleem pf->rdma_mode &= ~IIDC_RDMA_PROTOCOL_IWARP; 554e523af4eSShiraz Saleem return 0; 555e523af4eSShiraz Saleem } 556e523af4eSShiraz Saleem 557e523af4eSShiraz Saleem pf->rdma_mode |= IIDC_RDMA_PROTOCOL_IWARP; 558e523af4eSShiraz Saleem ret = ice_plug_aux_dev(pf); 559e523af4eSShiraz Saleem if (ret) 560e523af4eSShiraz Saleem pf->rdma_mode &= ~IIDC_RDMA_PROTOCOL_IWARP; 561e523af4eSShiraz Saleem 562e523af4eSShiraz Saleem return ret; 563e523af4eSShiraz Saleem } 564e523af4eSShiraz Saleem 565e523af4eSShiraz Saleem static int 566e523af4eSShiraz Saleem ice_devlink_enable_iw_validate(struct devlink *devlink, u32 id, 567e523af4eSShiraz Saleem union devlink_param_value val, 568e523af4eSShiraz Saleem struct netlink_ext_ack *extack) 569e523af4eSShiraz Saleem { 570e523af4eSShiraz Saleem struct ice_pf *pf = devlink_priv(devlink); 571e523af4eSShiraz Saleem 572e523af4eSShiraz Saleem if (!test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) 573e523af4eSShiraz Saleem return -EOPNOTSUPP; 574e523af4eSShiraz Saleem 575e523af4eSShiraz Saleem if (pf->rdma_mode & IIDC_RDMA_PROTOCOL_ROCEV2) { 576e523af4eSShiraz Saleem NL_SET_ERR_MSG_MOD(extack, "RoCEv2 is currently enabled. This device cannot enable iWARP and RoCEv2 simultaneously"); 577e523af4eSShiraz Saleem return -EOPNOTSUPP; 578e523af4eSShiraz Saleem } 579e523af4eSShiraz Saleem 580e523af4eSShiraz Saleem return 0; 581e523af4eSShiraz Saleem } 582e523af4eSShiraz Saleem 583e523af4eSShiraz Saleem static const struct devlink_param ice_devlink_params[] = { 584e523af4eSShiraz Saleem DEVLINK_PARAM_GENERIC(ENABLE_ROCE, BIT(DEVLINK_PARAM_CMODE_RUNTIME), 585e523af4eSShiraz Saleem ice_devlink_enable_roce_get, 586e523af4eSShiraz Saleem ice_devlink_enable_roce_set, 587e523af4eSShiraz Saleem ice_devlink_enable_roce_validate), 588e523af4eSShiraz Saleem DEVLINK_PARAM_GENERIC(ENABLE_IWARP, BIT(DEVLINK_PARAM_CMODE_RUNTIME), 589e523af4eSShiraz Saleem ice_devlink_enable_iw_get, 590e523af4eSShiraz Saleem ice_devlink_enable_iw_set, 591e523af4eSShiraz Saleem ice_devlink_enable_iw_validate), 592e523af4eSShiraz Saleem 593e523af4eSShiraz Saleem }; 594e523af4eSShiraz Saleem 5951adf7eadSJacob Keller static void ice_devlink_free(void *devlink_ptr) 5961adf7eadSJacob Keller { 5971adf7eadSJacob Keller devlink_free((struct devlink *)devlink_ptr); 5981adf7eadSJacob Keller } 5991adf7eadSJacob Keller 6001adf7eadSJacob Keller /** 6011adf7eadSJacob Keller * ice_allocate_pf - Allocate devlink and return PF structure pointer 6021adf7eadSJacob Keller * @dev: the device to allocate for 6031adf7eadSJacob Keller * 6041adf7eadSJacob Keller * Allocate a devlink instance for this device and return the private area as 6051adf7eadSJacob Keller * the PF structure. The devlink memory is kept track of through devres by 6061adf7eadSJacob Keller * adding an action to remove it when unwinding. 6071adf7eadSJacob Keller */ 6081adf7eadSJacob Keller struct ice_pf *ice_allocate_pf(struct device *dev) 6091adf7eadSJacob Keller { 6101adf7eadSJacob Keller struct devlink *devlink; 6111adf7eadSJacob Keller 612919d13a7SLeon Romanovsky devlink = devlink_alloc(&ice_devlink_ops, sizeof(struct ice_pf), dev); 6131adf7eadSJacob Keller if (!devlink) 6141adf7eadSJacob Keller return NULL; 6151adf7eadSJacob Keller 6161adf7eadSJacob Keller /* Add an action to teardown the devlink when unwinding the driver */ 6177c1b694aSCai Huoqing if (devm_add_action_or_reset(dev, ice_devlink_free, devlink)) 6181adf7eadSJacob Keller return NULL; 6191adf7eadSJacob Keller 6201adf7eadSJacob Keller return devlink_priv(devlink); 6211adf7eadSJacob Keller } 6221adf7eadSJacob Keller 6231adf7eadSJacob Keller /** 6241adf7eadSJacob Keller * ice_devlink_register - Register devlink interface for this PF 6251adf7eadSJacob Keller * @pf: the PF to register the devlink for. 6261adf7eadSJacob Keller * 6271adf7eadSJacob Keller * Register the devlink instance associated with this physical function. 6281adf7eadSJacob Keller * 6291adf7eadSJacob Keller * Return: zero on success or an error code on failure. 6301adf7eadSJacob Keller */ 631db4278c5SLeon Romanovsky void ice_devlink_register(struct ice_pf *pf) 6321adf7eadSJacob Keller { 6331adf7eadSJacob Keller struct devlink *devlink = priv_to_devlink(pf); 6341adf7eadSJacob Keller 635399e27dbSJacob Keller devlink_set_features(devlink, DEVLINK_F_RELOAD); 636db4278c5SLeon Romanovsky devlink_register(devlink); 6371adf7eadSJacob Keller } 6381adf7eadSJacob Keller 6391adf7eadSJacob Keller /** 6401adf7eadSJacob Keller * ice_devlink_unregister - Unregister devlink resources for this PF. 6411adf7eadSJacob Keller * @pf: the PF structure to cleanup 6421adf7eadSJacob Keller * 6431adf7eadSJacob Keller * Releases resources used by devlink and cleans up associated memory. 6441adf7eadSJacob Keller */ 6451adf7eadSJacob Keller void ice_devlink_unregister(struct ice_pf *pf) 6461adf7eadSJacob Keller { 6471adf7eadSJacob Keller devlink_unregister(priv_to_devlink(pf)); 6481adf7eadSJacob Keller } 6491adf7eadSJacob Keller 650*4b889474SMichal Swiatkowski /** 651*4b889474SMichal Swiatkowski * ice_devlink_set_switch_id - Set unique switch id based on pci dsn 652*4b889474SMichal Swiatkowski * @pf: the PF to create a devlink port for 653*4b889474SMichal Swiatkowski * @ppid: struct with switch id information 654*4b889474SMichal Swiatkowski */ 655*4b889474SMichal Swiatkowski static void 656*4b889474SMichal Swiatkowski ice_devlink_set_switch_id(struct ice_pf *pf, struct netdev_phys_item_id *ppid) 657*4b889474SMichal Swiatkowski { 658*4b889474SMichal Swiatkowski struct pci_dev *pdev = pf->pdev; 659*4b889474SMichal Swiatkowski u64 id; 660*4b889474SMichal Swiatkowski 661*4b889474SMichal Swiatkowski id = pci_get_dsn(pdev); 662*4b889474SMichal Swiatkowski 663*4b889474SMichal Swiatkowski ppid->id_len = sizeof(id); 664*4b889474SMichal Swiatkowski put_unaligned_be64(id, &ppid->id); 665*4b889474SMichal Swiatkowski } 666*4b889474SMichal Swiatkowski 667e523af4eSShiraz Saleem int ice_devlink_register_params(struct ice_pf *pf) 668e523af4eSShiraz Saleem { 669e523af4eSShiraz Saleem struct devlink *devlink = priv_to_devlink(pf); 670e523af4eSShiraz Saleem union devlink_param_value value; 671e523af4eSShiraz Saleem int err; 672e523af4eSShiraz Saleem 673e523af4eSShiraz Saleem err = devlink_params_register(devlink, ice_devlink_params, 674e523af4eSShiraz Saleem ARRAY_SIZE(ice_devlink_params)); 675e523af4eSShiraz Saleem if (err) 676e523af4eSShiraz Saleem return err; 677e523af4eSShiraz Saleem 678e523af4eSShiraz Saleem value.vbool = false; 679e523af4eSShiraz Saleem devlink_param_driverinit_value_set(devlink, 680e523af4eSShiraz Saleem DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 681e523af4eSShiraz Saleem value); 682e523af4eSShiraz Saleem 683e523af4eSShiraz Saleem value.vbool = test_bit(ICE_FLAG_RDMA_ENA, pf->flags) ? true : false; 684e523af4eSShiraz Saleem devlink_param_driverinit_value_set(devlink, 685e523af4eSShiraz Saleem DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 686e523af4eSShiraz Saleem value); 687e523af4eSShiraz Saleem 688e523af4eSShiraz Saleem return 0; 689e523af4eSShiraz Saleem } 690e523af4eSShiraz Saleem 691e523af4eSShiraz Saleem void ice_devlink_unregister_params(struct ice_pf *pf) 692e523af4eSShiraz Saleem { 693e523af4eSShiraz Saleem devlink_params_unregister(priv_to_devlink(pf), ice_devlink_params, 694e523af4eSShiraz Saleem ARRAY_SIZE(ice_devlink_params)); 695e523af4eSShiraz Saleem } 696e523af4eSShiraz Saleem 6971adf7eadSJacob Keller /** 6982ae0aa47SWojciech Drewek * ice_devlink_create_pf_port - Create a devlink port for this PF 6992ae0aa47SWojciech Drewek * @pf: the PF to create a devlink port for 7001adf7eadSJacob Keller * 7012ae0aa47SWojciech Drewek * Create and register a devlink_port for this PF. 7021adf7eadSJacob Keller * 7031adf7eadSJacob Keller * Return: zero on success or an error code on failure. 7041adf7eadSJacob Keller */ 7052ae0aa47SWojciech Drewek int ice_devlink_create_pf_port(struct ice_pf *pf) 7061adf7eadSJacob Keller { 70771ad8d55SDanielle Ratson struct devlink_port_attrs attrs = {}; 7082ae0aa47SWojciech Drewek struct devlink_port *devlink_port; 70948d40025SJacob Keller struct devlink *devlink; 7102ae0aa47SWojciech Drewek struct ice_vsi *vsi; 71148d40025SJacob Keller struct device *dev; 7121adf7eadSJacob Keller int err; 7131adf7eadSJacob Keller 71448d40025SJacob Keller dev = ice_pf_to_dev(pf); 7152ae0aa47SWojciech Drewek 7162ae0aa47SWojciech Drewek devlink_port = &pf->devlink_port; 7172ae0aa47SWojciech Drewek 7182ae0aa47SWojciech Drewek vsi = ice_get_main_vsi(pf); 7192ae0aa47SWojciech Drewek if (!vsi) 7202ae0aa47SWojciech Drewek return -EIO; 7211adf7eadSJacob Keller 72271ad8d55SDanielle Ratson attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL; 7232ae0aa47SWojciech Drewek attrs.phys.port_number = pf->hw.bus.func; 724*4b889474SMichal Swiatkowski 725*4b889474SMichal Swiatkowski ice_devlink_set_switch_id(pf, &attrs.switch_id); 726*4b889474SMichal Swiatkowski 7272ae0aa47SWojciech Drewek devlink_port_attrs_set(devlink_port, &attrs); 7282ae0aa47SWojciech Drewek devlink = priv_to_devlink(pf); 7292ae0aa47SWojciech Drewek 7302ae0aa47SWojciech Drewek err = devlink_port_register(devlink, devlink_port, vsi->idx); 7311adf7eadSJacob Keller if (err) { 7322ae0aa47SWojciech Drewek dev_err(dev, "Failed to create devlink port for PF %d, error %d\n", 7332ae0aa47SWojciech Drewek pf->hw.pf_id, err); 7341adf7eadSJacob Keller return err; 7351adf7eadSJacob Keller } 7361adf7eadSJacob Keller 7371adf7eadSJacob Keller return 0; 7381adf7eadSJacob Keller } 7391adf7eadSJacob Keller 7401adf7eadSJacob Keller /** 7412ae0aa47SWojciech Drewek * ice_devlink_destroy_pf_port - Destroy the devlink_port for this PF 7422ae0aa47SWojciech Drewek * @pf: the PF to cleanup 7431adf7eadSJacob Keller * 7442ae0aa47SWojciech Drewek * Unregisters the devlink_port structure associated with this PF. 7451adf7eadSJacob Keller */ 7462ae0aa47SWojciech Drewek void ice_devlink_destroy_pf_port(struct ice_pf *pf) 7471adf7eadSJacob Keller { 7482ae0aa47SWojciech Drewek struct devlink_port *devlink_port; 74948d40025SJacob Keller 7502ae0aa47SWojciech Drewek devlink_port = &pf->devlink_port; 75148d40025SJacob Keller 7522ae0aa47SWojciech Drewek devlink_port_type_clear(devlink_port); 7532ae0aa47SWojciech Drewek devlink_port_unregister(devlink_port); 7542ae0aa47SWojciech Drewek } 7552ae0aa47SWojciech Drewek 7562ae0aa47SWojciech Drewek /** 7572ae0aa47SWojciech Drewek * ice_devlink_create_vf_port - Create a devlink port for this VF 7582ae0aa47SWojciech Drewek * @vf: the VF to create a port for 7592ae0aa47SWojciech Drewek * 7602ae0aa47SWojciech Drewek * Create and register a devlink_port for this VF. 7612ae0aa47SWojciech Drewek * 7622ae0aa47SWojciech Drewek * Return: zero on success or an error code on failure. 7632ae0aa47SWojciech Drewek */ 7642ae0aa47SWojciech Drewek int ice_devlink_create_vf_port(struct ice_vf *vf) 7652ae0aa47SWojciech Drewek { 7662ae0aa47SWojciech Drewek struct devlink_port_attrs attrs = {}; 7672ae0aa47SWojciech Drewek struct devlink_port *devlink_port; 7682ae0aa47SWojciech Drewek struct devlink *devlink; 7692ae0aa47SWojciech Drewek struct ice_vsi *vsi; 7702ae0aa47SWojciech Drewek struct device *dev; 7712ae0aa47SWojciech Drewek struct ice_pf *pf; 7722ae0aa47SWojciech Drewek int err; 7732ae0aa47SWojciech Drewek 7742ae0aa47SWojciech Drewek pf = vf->pf; 7752ae0aa47SWojciech Drewek dev = ice_pf_to_dev(pf); 7762ae0aa47SWojciech Drewek vsi = ice_get_vf_vsi(vf); 7772ae0aa47SWojciech Drewek devlink_port = &vf->devlink_port; 7782ae0aa47SWojciech Drewek 7792ae0aa47SWojciech Drewek attrs.flavour = DEVLINK_PORT_FLAVOUR_PCI_VF; 7802ae0aa47SWojciech Drewek attrs.pci_vf.pf = pf->hw.bus.func; 7812ae0aa47SWojciech Drewek attrs.pci_vf.vf = vf->vf_id; 7822ae0aa47SWojciech Drewek 783*4b889474SMichal Swiatkowski ice_devlink_set_switch_id(pf, &attrs.switch_id); 784*4b889474SMichal Swiatkowski 7852ae0aa47SWojciech Drewek devlink_port_attrs_set(devlink_port, &attrs); 7862ae0aa47SWojciech Drewek devlink = priv_to_devlink(pf); 7872ae0aa47SWojciech Drewek 7882ae0aa47SWojciech Drewek err = devlink_port_register(devlink, devlink_port, vsi->idx); 7892ae0aa47SWojciech Drewek if (err) { 7902ae0aa47SWojciech Drewek dev_err(dev, "Failed to create devlink port for VF %d, error %d\n", 7912ae0aa47SWojciech Drewek vf->vf_id, err); 7922ae0aa47SWojciech Drewek return err; 7932ae0aa47SWojciech Drewek } 7942ae0aa47SWojciech Drewek 7952ae0aa47SWojciech Drewek return 0; 7962ae0aa47SWojciech Drewek } 7972ae0aa47SWojciech Drewek 7982ae0aa47SWojciech Drewek /** 7992ae0aa47SWojciech Drewek * ice_devlink_destroy_vf_port - Destroy the devlink_port for this VF 8002ae0aa47SWojciech Drewek * @vf: the VF to cleanup 8012ae0aa47SWojciech Drewek * 8022ae0aa47SWojciech Drewek * Unregisters the devlink_port structure associated with this VF. 8032ae0aa47SWojciech Drewek */ 8042ae0aa47SWojciech Drewek void ice_devlink_destroy_vf_port(struct ice_vf *vf) 8052ae0aa47SWojciech Drewek { 8062ae0aa47SWojciech Drewek struct devlink_port *devlink_port; 8072ae0aa47SWojciech Drewek 8082ae0aa47SWojciech Drewek devlink_port = &vf->devlink_port; 8092ae0aa47SWojciech Drewek 8102ae0aa47SWojciech Drewek devlink_port_type_clear(devlink_port); 8112ae0aa47SWojciech Drewek devlink_port_unregister(devlink_port); 8121adf7eadSJacob Keller } 813dce730f1SJacob Keller 814dce730f1SJacob Keller /** 81578ad87daSJacob Keller * ice_devlink_nvm_snapshot - Capture a snapshot of the NVM flash contents 816dce730f1SJacob Keller * @devlink: the devlink instance 817d4602a9fSAndrew Lunn * @ops: the devlink region being snapshotted 818dce730f1SJacob Keller * @extack: extended ACK response structure 819dce730f1SJacob Keller * @data: on exit points to snapshot data buffer 820dce730f1SJacob Keller * 821dce730f1SJacob Keller * This function is called in response to the DEVLINK_CMD_REGION_TRIGGER for 82278ad87daSJacob Keller * the nvm-flash devlink region. It captures a snapshot of the full NVM flash 82378ad87daSJacob Keller * contents, including both banks of flash. This snapshot can later be viewed 82478ad87daSJacob Keller * via the devlink-region interface. 82578ad87daSJacob Keller * 82678ad87daSJacob Keller * It captures the flash using the FLASH_ONLY bit set when reading via 82778ad87daSJacob Keller * firmware, so it does not read the current Shadow RAM contents. For that, 82878ad87daSJacob Keller * use the shadow-ram region. 829dce730f1SJacob Keller * 830dce730f1SJacob Keller * @returns zero on success, and updates the data pointer. Returns a non-zero 831dce730f1SJacob Keller * error code on failure. 832dce730f1SJacob Keller */ 833dce730f1SJacob Keller static int ice_devlink_nvm_snapshot(struct devlink *devlink, 834d4602a9fSAndrew Lunn const struct devlink_region_ops *ops, 835dce730f1SJacob Keller struct netlink_ext_ack *extack, u8 **data) 836dce730f1SJacob Keller { 837dce730f1SJacob Keller struct ice_pf *pf = devlink_priv(devlink); 838dce730f1SJacob Keller struct device *dev = ice_pf_to_dev(pf); 839dce730f1SJacob Keller struct ice_hw *hw = &pf->hw; 840dce730f1SJacob Keller void *nvm_data; 841dce730f1SJacob Keller u32 nvm_size; 8425518ac2aSTony Nguyen int status; 843dce730f1SJacob Keller 8449af368faSJacob Keller nvm_size = hw->flash.flash_size; 845dce730f1SJacob Keller nvm_data = vzalloc(nvm_size); 846dce730f1SJacob Keller if (!nvm_data) 847dce730f1SJacob Keller return -ENOMEM; 848dce730f1SJacob Keller 849dce730f1SJacob Keller status = ice_acquire_nvm(hw, ICE_RES_READ); 850dce730f1SJacob Keller if (status) { 851dce730f1SJacob Keller dev_dbg(dev, "ice_acquire_nvm failed, err %d aq_err %d\n", 852dce730f1SJacob Keller status, hw->adminq.sq_last_status); 853dce730f1SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Failed to acquire NVM semaphore"); 854dce730f1SJacob Keller vfree(nvm_data); 855c1484691STony Nguyen return status; 856dce730f1SJacob Keller } 857dce730f1SJacob Keller 858dce730f1SJacob Keller status = ice_read_flat_nvm(hw, 0, &nvm_size, nvm_data, false); 859dce730f1SJacob Keller if (status) { 860dce730f1SJacob Keller dev_dbg(dev, "ice_read_flat_nvm failed after reading %u bytes, err %d aq_err %d\n", 861dce730f1SJacob Keller nvm_size, status, hw->adminq.sq_last_status); 862dce730f1SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Failed to read NVM contents"); 863dce730f1SJacob Keller ice_release_nvm(hw); 864dce730f1SJacob Keller vfree(nvm_data); 865c1484691STony Nguyen return status; 866dce730f1SJacob Keller } 867dce730f1SJacob Keller 868dce730f1SJacob Keller ice_release_nvm(hw); 869dce730f1SJacob Keller 870dce730f1SJacob Keller *data = nvm_data; 871dce730f1SJacob Keller 872dce730f1SJacob Keller return 0; 873dce730f1SJacob Keller } 874dce730f1SJacob Keller 8758d7aab35SJacob Keller /** 87678ad87daSJacob Keller * ice_devlink_sram_snapshot - Capture a snapshot of the Shadow RAM contents 87778ad87daSJacob Keller * @devlink: the devlink instance 87878ad87daSJacob Keller * @ops: the devlink region being snapshotted 87978ad87daSJacob Keller * @extack: extended ACK response structure 88078ad87daSJacob Keller * @data: on exit points to snapshot data buffer 88178ad87daSJacob Keller * 88278ad87daSJacob Keller * This function is called in response to the DEVLINK_CMD_REGION_TRIGGER for 88378ad87daSJacob Keller * the shadow-ram devlink region. It captures a snapshot of the shadow ram 88478ad87daSJacob Keller * contents. This snapshot can later be viewed via the devlink-region 88578ad87daSJacob Keller * interface. 88678ad87daSJacob Keller * 88778ad87daSJacob Keller * @returns zero on success, and updates the data pointer. Returns a non-zero 88878ad87daSJacob Keller * error code on failure. 88978ad87daSJacob Keller */ 89078ad87daSJacob Keller static int 89178ad87daSJacob Keller ice_devlink_sram_snapshot(struct devlink *devlink, 89278ad87daSJacob Keller const struct devlink_region_ops __always_unused *ops, 89378ad87daSJacob Keller struct netlink_ext_ack *extack, u8 **data) 89478ad87daSJacob Keller { 89578ad87daSJacob Keller struct ice_pf *pf = devlink_priv(devlink); 89678ad87daSJacob Keller struct device *dev = ice_pf_to_dev(pf); 89778ad87daSJacob Keller struct ice_hw *hw = &pf->hw; 89878ad87daSJacob Keller u8 *sram_data; 89978ad87daSJacob Keller u32 sram_size; 90078ad87daSJacob Keller int err; 90178ad87daSJacob Keller 90278ad87daSJacob Keller sram_size = hw->flash.sr_words * 2u; 90378ad87daSJacob Keller sram_data = vzalloc(sram_size); 90478ad87daSJacob Keller if (!sram_data) 90578ad87daSJacob Keller return -ENOMEM; 90678ad87daSJacob Keller 90778ad87daSJacob Keller err = ice_acquire_nvm(hw, ICE_RES_READ); 90878ad87daSJacob Keller if (err) { 90978ad87daSJacob Keller dev_dbg(dev, "ice_acquire_nvm failed, err %d aq_err %d\n", 91078ad87daSJacob Keller err, hw->adminq.sq_last_status); 91178ad87daSJacob Keller NL_SET_ERR_MSG_MOD(extack, "Failed to acquire NVM semaphore"); 91278ad87daSJacob Keller vfree(sram_data); 91378ad87daSJacob Keller return err; 91478ad87daSJacob Keller } 91578ad87daSJacob Keller 91678ad87daSJacob Keller /* Read from the Shadow RAM, rather than directly from NVM */ 91778ad87daSJacob Keller err = ice_read_flat_nvm(hw, 0, &sram_size, sram_data, true); 91878ad87daSJacob Keller if (err) { 91978ad87daSJacob Keller dev_dbg(dev, "ice_read_flat_nvm failed after reading %u bytes, err %d aq_err %d\n", 92078ad87daSJacob Keller sram_size, err, hw->adminq.sq_last_status); 92178ad87daSJacob Keller NL_SET_ERR_MSG_MOD(extack, 92278ad87daSJacob Keller "Failed to read Shadow RAM contents"); 92378ad87daSJacob Keller ice_release_nvm(hw); 92478ad87daSJacob Keller vfree(sram_data); 92578ad87daSJacob Keller return err; 92678ad87daSJacob Keller } 92778ad87daSJacob Keller 92878ad87daSJacob Keller ice_release_nvm(hw); 92978ad87daSJacob Keller 93078ad87daSJacob Keller *data = sram_data; 93178ad87daSJacob Keller 93278ad87daSJacob Keller return 0; 93378ad87daSJacob Keller } 93478ad87daSJacob Keller 93578ad87daSJacob Keller /** 9368d7aab35SJacob Keller * ice_devlink_devcaps_snapshot - Capture snapshot of device capabilities 9378d7aab35SJacob Keller * @devlink: the devlink instance 938d4602a9fSAndrew Lunn * @ops: the devlink region being snapshotted 9398d7aab35SJacob Keller * @extack: extended ACK response structure 9408d7aab35SJacob Keller * @data: on exit points to snapshot data buffer 9418d7aab35SJacob Keller * 9428d7aab35SJacob Keller * This function is called in response to the DEVLINK_CMD_REGION_TRIGGER for 9438d7aab35SJacob Keller * the device-caps devlink region. It captures a snapshot of the device 9448d7aab35SJacob Keller * capabilities reported by firmware. 9458d7aab35SJacob Keller * 9468d7aab35SJacob Keller * @returns zero on success, and updates the data pointer. Returns a non-zero 9478d7aab35SJacob Keller * error code on failure. 9488d7aab35SJacob Keller */ 9498d7aab35SJacob Keller static int 9508d7aab35SJacob Keller ice_devlink_devcaps_snapshot(struct devlink *devlink, 951d4602a9fSAndrew Lunn const struct devlink_region_ops *ops, 9528d7aab35SJacob Keller struct netlink_ext_ack *extack, u8 **data) 9538d7aab35SJacob Keller { 9548d7aab35SJacob Keller struct ice_pf *pf = devlink_priv(devlink); 9558d7aab35SJacob Keller struct device *dev = ice_pf_to_dev(pf); 9568d7aab35SJacob Keller struct ice_hw *hw = &pf->hw; 9578d7aab35SJacob Keller void *devcaps; 9585518ac2aSTony Nguyen int status; 9598d7aab35SJacob Keller 9608d7aab35SJacob Keller devcaps = vzalloc(ICE_AQ_MAX_BUF_LEN); 9618d7aab35SJacob Keller if (!devcaps) 9628d7aab35SJacob Keller return -ENOMEM; 9638d7aab35SJacob Keller 9648d7aab35SJacob Keller status = ice_aq_list_caps(hw, devcaps, ICE_AQ_MAX_BUF_LEN, NULL, 9658d7aab35SJacob Keller ice_aqc_opc_list_dev_caps, NULL); 9668d7aab35SJacob Keller if (status) { 9678d7aab35SJacob Keller dev_dbg(dev, "ice_aq_list_caps: failed to read device capabilities, err %d aq_err %d\n", 9688d7aab35SJacob Keller status, hw->adminq.sq_last_status); 9698d7aab35SJacob Keller NL_SET_ERR_MSG_MOD(extack, "Failed to read device capabilities"); 9708d7aab35SJacob Keller vfree(devcaps); 971c1484691STony Nguyen return status; 9728d7aab35SJacob Keller } 9738d7aab35SJacob Keller 9748d7aab35SJacob Keller *data = (u8 *)devcaps; 9758d7aab35SJacob Keller 9768d7aab35SJacob Keller return 0; 9778d7aab35SJacob Keller } 9788d7aab35SJacob Keller 979dce730f1SJacob Keller static const struct devlink_region_ops ice_nvm_region_ops = { 980dce730f1SJacob Keller .name = "nvm-flash", 981dce730f1SJacob Keller .destructor = vfree, 982dce730f1SJacob Keller .snapshot = ice_devlink_nvm_snapshot, 983dce730f1SJacob Keller }; 984dce730f1SJacob Keller 98578ad87daSJacob Keller static const struct devlink_region_ops ice_sram_region_ops = { 98678ad87daSJacob Keller .name = "shadow-ram", 98778ad87daSJacob Keller .destructor = vfree, 98878ad87daSJacob Keller .snapshot = ice_devlink_sram_snapshot, 98978ad87daSJacob Keller }; 99078ad87daSJacob Keller 9918d7aab35SJacob Keller static const struct devlink_region_ops ice_devcaps_region_ops = { 9928d7aab35SJacob Keller .name = "device-caps", 9938d7aab35SJacob Keller .destructor = vfree, 9948d7aab35SJacob Keller .snapshot = ice_devlink_devcaps_snapshot, 9958d7aab35SJacob Keller }; 9968d7aab35SJacob Keller 997dce730f1SJacob Keller /** 998dce730f1SJacob Keller * ice_devlink_init_regions - Initialize devlink regions 999dce730f1SJacob Keller * @pf: the PF device structure 1000dce730f1SJacob Keller * 1001dce730f1SJacob Keller * Create devlink regions used to enable access to dump the contents of the 1002dce730f1SJacob Keller * flash memory on the device. 1003dce730f1SJacob Keller */ 1004dce730f1SJacob Keller void ice_devlink_init_regions(struct ice_pf *pf) 1005dce730f1SJacob Keller { 1006dce730f1SJacob Keller struct devlink *devlink = priv_to_devlink(pf); 1007dce730f1SJacob Keller struct device *dev = ice_pf_to_dev(pf); 100878ad87daSJacob Keller u64 nvm_size, sram_size; 1009dce730f1SJacob Keller 10109af368faSJacob Keller nvm_size = pf->hw.flash.flash_size; 1011dce730f1SJacob Keller pf->nvm_region = devlink_region_create(devlink, &ice_nvm_region_ops, 1, 1012dce730f1SJacob Keller nvm_size); 1013dce730f1SJacob Keller if (IS_ERR(pf->nvm_region)) { 1014dce730f1SJacob Keller dev_err(dev, "failed to create NVM devlink region, err %ld\n", 1015dce730f1SJacob Keller PTR_ERR(pf->nvm_region)); 1016dce730f1SJacob Keller pf->nvm_region = NULL; 1017dce730f1SJacob Keller } 10188d7aab35SJacob Keller 101978ad87daSJacob Keller sram_size = pf->hw.flash.sr_words * 2u; 102078ad87daSJacob Keller pf->sram_region = devlink_region_create(devlink, &ice_sram_region_ops, 102178ad87daSJacob Keller 1, sram_size); 102278ad87daSJacob Keller if (IS_ERR(pf->sram_region)) { 102378ad87daSJacob Keller dev_err(dev, "failed to create shadow-ram devlink region, err %ld\n", 102478ad87daSJacob Keller PTR_ERR(pf->sram_region)); 102578ad87daSJacob Keller pf->sram_region = NULL; 102678ad87daSJacob Keller } 102778ad87daSJacob Keller 10288d7aab35SJacob Keller pf->devcaps_region = devlink_region_create(devlink, 10298d7aab35SJacob Keller &ice_devcaps_region_ops, 10, 10308d7aab35SJacob Keller ICE_AQ_MAX_BUF_LEN); 10318d7aab35SJacob Keller if (IS_ERR(pf->devcaps_region)) { 10328d7aab35SJacob Keller dev_err(dev, "failed to create device-caps devlink region, err %ld\n", 10338d7aab35SJacob Keller PTR_ERR(pf->devcaps_region)); 10348d7aab35SJacob Keller pf->devcaps_region = NULL; 10358d7aab35SJacob Keller } 1036dce730f1SJacob Keller } 1037dce730f1SJacob Keller 1038dce730f1SJacob Keller /** 1039dce730f1SJacob Keller * ice_devlink_destroy_regions - Destroy devlink regions 1040dce730f1SJacob Keller * @pf: the PF device structure 1041dce730f1SJacob Keller * 1042dce730f1SJacob Keller * Remove previously created regions for this PF. 1043dce730f1SJacob Keller */ 1044dce730f1SJacob Keller void ice_devlink_destroy_regions(struct ice_pf *pf) 1045dce730f1SJacob Keller { 1046dce730f1SJacob Keller if (pf->nvm_region) 1047dce730f1SJacob Keller devlink_region_destroy(pf->nvm_region); 104878ad87daSJacob Keller 104978ad87daSJacob Keller if (pf->sram_region) 105078ad87daSJacob Keller devlink_region_destroy(pf->sram_region); 105178ad87daSJacob Keller 10528d7aab35SJacob Keller if (pf->devcaps_region) 10538d7aab35SJacob Keller devlink_region_destroy(pf->devcaps_region); 1054dce730f1SJacob Keller } 1055