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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2023 Advanced Micro Devices, Inc */
#include "core.h"
#include <linux/pds/pds_auxbus.h>
static struct
pdsc_viftype *pdsc_dl_find_viftype_by_id(struct pdsc *pdsc,
enum devlink_param_type dl_id)
{
int vt;
if (!pdsc->viftype_status)
return NULL;
for (vt = 0; vt < PDS_DEV_TYPE_MAX; vt++) {
if (pdsc->viftype_status[vt].dl_id == dl_id)
return &pdsc->viftype_status[vt];
}
return NULL;
}
int pdsc_dl_enable_get(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx)
{
struct pdsc *pdsc = devlink_priv(dl);
struct pdsc_viftype *vt_entry;
vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id);
if (!vt_entry)
return -ENOENT;
ctx->val.vbool = vt_entry->enabled;
return 0;
}
int pdsc_dl_enable_set(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx,
struct netlink_ext_ack *extack)
{
struct pdsc *pdsc = devlink_priv(dl);
struct pdsc_viftype *vt_entry;
int err = 0;
int vf_id;
vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id);
if (!vt_entry || !vt_entry->supported)
return -EOPNOTSUPP;
if (vt_entry->enabled == ctx->val.vbool)
return 0;
vt_entry->enabled = ctx->val.vbool;
for (vf_id = 0; vf_id < pdsc->num_vfs; vf_id++) {
struct pdsc *vf = pdsc->vfs[vf_id].vf;
if (ctx->val.vbool)
err = pdsc_auxbus_dev_add(vf, pdsc, vt_entry->vif_id,
&pdsc->vfs[vf_id].padev);
else
pdsc_auxbus_dev_del(vf, pdsc, &pdsc->vfs[vf_id].padev);
}
return err;
}
int pdsc_dl_enable_validate(struct devlink *dl, u32 id,
union devlink_param_value val,
struct netlink_ext_ack *extack)
{
struct pdsc *pdsc = devlink_priv(dl);
struct pdsc_viftype *vt_entry;
vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id);
if (!vt_entry || !vt_entry->supported)
return -EOPNOTSUPP;
if (!pdsc->viftype_status[vt_entry->vif_id].supported)
return -ENODEV;
return 0;
}
int pdsc_dl_flash_update(struct devlink *dl,
struct devlink_flash_update_params *params,
struct netlink_ext_ack *extack)
{
struct pdsc *pdsc = devlink_priv(dl);
return pdsc_firmware_update(pdsc, params->fw, extack);
}
static char *fw_slotnames[] = {
"fw.goldfw",
"fw.mainfwa",
"fw.mainfwb",
};
int pdsc_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
struct netlink_ext_ack *extack)
{
union pds_core_dev_cmd cmd = {
.fw_control.opcode = PDS_CORE_CMD_FW_CONTROL,
.fw_control.oper = PDS_CORE_FW_GET_LIST,
};
struct pds_core_fw_list_info fw_list = {};
struct pdsc *pdsc = devlink_priv(dl);
union pds_core_dev_comp comp;
char buf[32];
int listlen;
int err;
int i;
mutex_lock(&pdsc->devcmd_lock);
err = pdsc_devcmd_locked(pdsc, &cmd, &comp, pdsc->devcmd_timeout * 2);
if (!err)
memcpy_fromio(&fw_list, pdsc->cmd_regs->data, sizeof(fw_list));
mutex_unlock(&pdsc->devcmd_lock);
listlen = min(fw_list.num_fw_slots, ARRAY_SIZE(fw_list.fw_names));
for (i = 0; i < listlen; i++) {
if (i < ARRAY_SIZE(fw_slotnames))
strscpy(buf, fw_slotnames[i], sizeof(buf));
else
snprintf(buf, sizeof(buf), "fw.slot_%d", i);
err = devlink_info_version_stored_put(req, buf,
fw_list.fw_names[i].fw_version);
if (err)
return err;
}
err = devlink_info_version_running_put(req,
DEVLINK_INFO_VERSION_GENERIC_FW,
pdsc->dev_info.fw_version);
if (err)
return err;
snprintf(buf, sizeof(buf), "0x%x", pdsc->dev_info.asic_type);
err = devlink_info_version_fixed_put(req,
DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
buf);
if (err)
return err;
snprintf(buf, sizeof(buf), "0x%x", pdsc->dev_info.asic_rev);
err = devlink_info_version_fixed_put(req,
DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
buf);
if (err)
return err;
return devlink_info_serial_number_put(req, pdsc->dev_info.serial_num);
}
int pdsc_fw_reporter_diagnose(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg,
struct netlink_ext_ack *extack)
{
struct pdsc *pdsc = devlink_health_reporter_priv(reporter);
mutex_lock(&pdsc->config_lock);
if (test_bit(PDSC_S_FW_DEAD, &pdsc->state))
devlink_fmsg_string_pair_put(fmsg, "Status", "dead");
else if (!pdsc_is_fw_good(pdsc))
devlink_fmsg_string_pair_put(fmsg, "Status", "unhealthy");
else
devlink_fmsg_string_pair_put(fmsg, "Status", "healthy");
mutex_unlock(&pdsc->config_lock);
devlink_fmsg_u32_pair_put(fmsg, "State",
pdsc->fw_status & ~PDS_CORE_FW_STS_F_GENERATION);
devlink_fmsg_u32_pair_put(fmsg, "Generation", pdsc->fw_generation >> 4);
devlink_fmsg_u32_pair_put(fmsg, "Recoveries", pdsc->fw_recoveries);
return 0;
}
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