// SPDX-License-Identifier: GPL-2.0-only
/*
 *  QLogic FCoE Offload Driver
 *  Copyright (c) 2016-2018 Cavium Inc.
 */
#include "qedf_dbg.h"
#include <linux/vmalloc.h>

void
qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
              const char *fmt, ...)
{
        va_list va;
        struct va_format vaf;

        va_start(va, fmt);

        vaf.fmt = fmt;
        vaf.va = &va;

        if (likely(qedf) && likely(qedf->pdev))
                pr_err("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),
                        func, line, qedf->host_no, &vaf);
        else
                pr_err("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);

        va_end(va);
}

void
qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
               const char *fmt, ...)
{
        va_list va;
        struct va_format vaf;

        va_start(va, fmt);

        vaf.fmt = fmt;
        vaf.va = &va;

        if (!(qedf_debug & QEDF_LOG_WARN))
                goto ret;

        if (likely(qedf) && likely(qedf->pdev))
                pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),
                        func, line, qedf->host_no, &vaf);
        else
                pr_warn("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);

ret:
        va_end(va);
}

void
qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
                 const char *fmt, ...)
{
        va_list va;
        struct va_format vaf;

        va_start(va, fmt);

        vaf.fmt = fmt;
        vaf.va = &va;

        if (!(qedf_debug & QEDF_LOG_NOTICE))
                goto ret;

        if (likely(qedf) && likely(qedf->pdev))
                pr_notice("[%s]:[%s:%d]:%d: %pV",
                          dev_name(&(qedf->pdev->dev)), func, line,
                          qedf->host_no, &vaf);
        else
                pr_notice("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);

ret:
        va_end(va);
}

void
qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
               u32 level, const char *fmt, ...)
{
        va_list va;
        struct va_format vaf;

        va_start(va, fmt);

        vaf.fmt = fmt;
        vaf.va = &va;

        if (!(qedf_debug & level))
                goto ret;

        if (likely(qedf) && likely(qedf->pdev))
                pr_info("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),
                        func, line, qedf->host_no, &vaf);
        else
                pr_info("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);

ret:
        va_end(va);
}

int
qedf_alloc_grc_dump_buf(u8 **buf, uint32_t len)
{
                *buf = vzalloc(len);
                if (!(*buf))
                        return -ENOMEM;

                return 0;
}

void
qedf_free_grc_dump_buf(uint8_t **buf)
{
                vfree(*buf);
                *buf = NULL;
}

int
qedf_get_grc_dump(struct qed_dev *cdev, const struct qed_common_ops *common,
                   u8 **buf, uint32_t *grcsize)
{
        if (!*buf)
                return -EINVAL;

        return common->dbg_all_data(cdev, *buf);
}

void
qedf_uevent_emit(struct Scsi_Host *shost, u32 code, char *msg)
{
        char event_string[40];
        char *envp[] = {event_string, NULL};

        memset(event_string, 0, sizeof(event_string));
        switch (code) {
        case QEDF_UEVENT_CODE_GRCDUMP:
                if (msg)
                        strscpy(event_string, msg, sizeof(event_string));
                else
                        sprintf(event_string, "GRCDUMP=%u", shost->host_no);
                break;
        default:
                /* do nothing */
                break;
        }

        kobject_uevent_env(&shost->shost_gendev.kobj, KOBJ_CHANGE, envp);
}

int
qedf_create_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
{
        int ret = 0;

        for (; iter->name; iter++) {
                ret = sysfs_create_bin_file(&shost->shost_gendev.kobj,
                                            iter->attr);
                if (ret)
                        pr_err("Unable to create sysfs %s attr, err(%d).\n",
                               iter->name, ret);
        }
        return ret;
}

void
qedf_remove_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
{
        for (; iter->name; iter++)
                sysfs_remove_bin_file(&shost->shost_gendev.kobj, iter->attr);
}