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// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2021 Marvell. */
#include "otx2_cpt_devlink.h"
static int otx2_cpt_dl_egrp_create(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx,
struct netlink_ext_ack *extack)
{
struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
return otx2_cpt_dl_custom_egrp_create(cptpf, ctx);
}
static int otx2_cpt_dl_egrp_delete(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx,
struct netlink_ext_ack *extack)
{
struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
return otx2_cpt_dl_custom_egrp_delete(cptpf, ctx);
}
static int otx2_cpt_dl_uc_info(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx)
{
ctx->val.vstr[0] = '\0';
return 0;
}
static int otx2_cpt_dl_t106_mode_get(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx)
{
struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
struct pci_dev *pdev = cptpf->pdev;
u64 reg_val = 0;
otx2_cpt_read_af_reg(&cptpf->afpf_mbox, pdev, CPT_AF_CTL, ®_val,
BLKADDR_CPT0);
ctx->val.vu8 = (reg_val >> 18) & 0x1;
return 0;
}
static int otx2_cpt_dl_t106_mode_set(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx,
struct netlink_ext_ack *extack)
{
struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
struct pci_dev *pdev = cptpf->pdev;
u64 reg_val = 0;
if (cptpf->enabled_vfs != 0 || cptpf->eng_grps.is_grps_created)
return -EPERM;
if (cpt_feature_sgv2(pdev)) {
otx2_cpt_read_af_reg(&cptpf->afpf_mbox, pdev, CPT_AF_CTL,
®_val, BLKADDR_CPT0);
reg_val &= ~(0x1ULL << 18);
reg_val |= ((u64)ctx->val.vu8 & 0x1) << 18;
return otx2_cpt_write_af_reg(&cptpf->afpf_mbox, pdev,
CPT_AF_CTL, reg_val, BLKADDR_CPT0);
}
return 0;
}
enum otx2_cpt_dl_param_id {
OTX2_CPT_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
OTX2_CPT_DEVLINK_PARAM_ID_EGRP_CREATE,
OTX2_CPT_DEVLINK_PARAM_ID_EGRP_DELETE,
OTX2_CPT_DEVLINK_PARAM_ID_T106_MODE,
};
static const struct devlink_param otx2_cpt_dl_params[] = {
DEVLINK_PARAM_DRIVER(OTX2_CPT_DEVLINK_PARAM_ID_EGRP_CREATE,
"egrp_create", DEVLINK_PARAM_TYPE_STRING,
BIT(DEVLINK_PARAM_CMODE_RUNTIME),
otx2_cpt_dl_uc_info, otx2_cpt_dl_egrp_create,
NULL),
DEVLINK_PARAM_DRIVER(OTX2_CPT_DEVLINK_PARAM_ID_EGRP_DELETE,
"egrp_delete", DEVLINK_PARAM_TYPE_STRING,
BIT(DEVLINK_PARAM_CMODE_RUNTIME),
otx2_cpt_dl_uc_info, otx2_cpt_dl_egrp_delete,
NULL),
DEVLINK_PARAM_DRIVER(OTX2_CPT_DEVLINK_PARAM_ID_T106_MODE,
"t106_mode", DEVLINK_PARAM_TYPE_U8,
BIT(DEVLINK_PARAM_CMODE_RUNTIME),
otx2_cpt_dl_t106_mode_get, otx2_cpt_dl_t106_mode_set,
NULL),
};
static int otx2_cpt_dl_info_firmware_version_put(struct devlink_info_req *req,
struct otx2_cpt_eng_grp_info grp[],
const char *ver_name, int eng_type)
{
struct otx2_cpt_engs_rsvd *eng;
int i;
for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
eng = find_engines_by_type(&grp[i], eng_type);
if (eng)
return devlink_info_version_running_put(req, ver_name,
eng->ucode->ver_str);
}
return 0;
}
static int otx2_cpt_devlink_info_get(struct devlink *dl,
struct devlink_info_req *req,
struct netlink_ext_ack *extack)
{
struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
int err;
err = otx2_cpt_dl_info_firmware_version_put(req, cptpf->eng_grps.grp,
"fw.ae", OTX2_CPT_AE_TYPES);
if (err)
return err;
err = otx2_cpt_dl_info_firmware_version_put(req, cptpf->eng_grps.grp,
"fw.se", OTX2_CPT_SE_TYPES);
if (err)
return err;
return otx2_cpt_dl_info_firmware_version_put(req, cptpf->eng_grps.grp,
"fw.ie", OTX2_CPT_IE_TYPES);
}
static const struct devlink_ops otx2_cpt_devlink_ops = {
.info_get = otx2_cpt_devlink_info_get,
};
int otx2_cpt_register_dl(struct otx2_cptpf_dev *cptpf)
{
struct device *dev = &cptpf->pdev->dev;
struct otx2_cpt_devlink *cpt_dl;
struct devlink *dl;
int ret;
dl = devlink_alloc(&otx2_cpt_devlink_ops,
sizeof(struct otx2_cpt_devlink), dev);
if (!dl) {
dev_warn(dev, "devlink_alloc failed\n");
return -ENOMEM;
}
cpt_dl = devlink_priv(dl);
cpt_dl->dl = dl;
cpt_dl->cptpf = cptpf;
cptpf->dl = dl;
ret = devlink_params_register(dl, otx2_cpt_dl_params,
ARRAY_SIZE(otx2_cpt_dl_params));
if (ret) {
dev_err(dev, "devlink params register failed with error %d",
ret);
devlink_free(dl);
return ret;
}
devlink_register(dl);
return 0;
}
void otx2_cpt_unregister_dl(struct otx2_cptpf_dev *cptpf)
{
struct devlink *dl = cptpf->dl;
if (!dl)
return;
devlink_unregister(dl);
devlink_params_unregister(dl, otx2_cpt_dl_params,
ARRAY_SIZE(otx2_cpt_dl_params));
devlink_free(dl);
}
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