C++ (Cpp) efx_nvram_rw_start Examples

Example #1

File: sfxge_nvram.c Project: Digital-Chaos/freebsd

static int
sfxge_nvram_rw(struct sfxge_softc *sc, sfxge_ioc_t *ip, efx_nvram_type_t type,
	       boolean_t write)
{
	efx_nic_t *enp = sc->enp;
	size_t total_size = ip->u.nvram.size;
	size_t chunk_size;
	off_t off;
	int rc = 0;
	uint8_t *buf;

	if (type == EFX_NVRAM_DYNAMIC_CFG && sc->family == EFX_FAMILY_SIENA) {
		if (write)
			return (0);
		rc = copyout(fake_dynamic_cfg_nvram, ip->u.nvram.data,
			     MIN(total_size, sizeof(fake_dynamic_cfg_nvram)));
		return (rc);
	}

	if ((rc = efx_nvram_rw_start(enp, type, &chunk_size)) != 0)
		goto fail1;

	buf = malloc(chunk_size, M_TEMP, M_WAITOK);

	off = 0;
	while (total_size) {
		size_t len = MIN(chunk_size, total_size);

		if (write) {
			rc = copyin(ip->u.nvram.data + off, buf, len);
			if (rc != 0)
				goto fail3;
			rc = efx_nvram_write_chunk(enp, type,
						   ip->u.nvram.offset + off, buf, len);
			if (rc != 0)
				goto fail3;
		} else {
			rc = efx_nvram_read_chunk(enp, type,
						  ip->u.nvram.offset + off, buf, len);
			if (rc != 0)
				goto fail3;
			rc = copyout(buf, ip->u.nvram.data + off, len);
			if (rc != 0)
				goto fail3;
		}

		total_size -= len;
		off += len;
	}

fail3:
	free(buf, M_TEMP);
	efx_nvram_rw_finish(enp, type);
fail1:
	return (rc);
}

Example #2

File: sfxge_nvram.c Project: Digital-Chaos/freebsd

static int
sfxge_nvram_erase(struct sfxge_softc *sc, efx_nvram_type_t type)
{
	efx_nic_t *enp = sc->enp;
	size_t chunk_size;
	int rc = 0;

	if (type == EFX_NVRAM_DYNAMIC_CFG && sc->family == EFX_FAMILY_SIENA)
		return (0);

	if ((rc = efx_nvram_rw_start(enp, type, &chunk_size)) != 0)
		return (rc);

	rc = efx_nvram_erase(enp, type);

	efx_nvram_rw_finish(enp, type);
	return (rc);
}

Example #3

File: sfxge_nvram.c Project: bahamas10/openzfs

static int
sfxge_nvram_rw(sfxge_t *sp, sfxge_nvram_ioc_t *snip, efx_nvram_type_t type,
    boolean_t write)
{
	int (*op)(efx_nic_t *, efx_nvram_type_t, unsigned int, caddr_t, size_t);
	efx_nic_t *enp = sp->s_enp;
	size_t chunk_size;
	off_t off;
	int rc;

	op = (write) ? efx_nvram_write_chunk : efx_nvram_read_chunk;

	if ((rc = efx_nvram_rw_start(enp, type, &chunk_size)) != 0)
		goto fail1;

	off = 0;
	while (snip->sni_size) {
		size_t len = MIN(chunk_size, snip->sni_size);
		caddr_t buf = (caddr_t)(&snip->sni_data[off]);

		if ((rc = op(enp, type, snip->sni_offset + off, buf, len)) != 0)
			goto fail2;

		snip->sni_size -= len;
		off += len;
	}

	efx_nvram_rw_finish(enp, type);
	return (0);

fail2:
	DTRACE_PROBE(fail2);
	efx_nvram_rw_finish(enp, type);
fail1:
	DTRACE_PROBE1(fail1, int, rc);
	return (rc);
}

Example #4

File: sfxge_nvram.c Project: bahamas10/openzfs

static int
sfxge_nvram_erase(sfxge_t *sp, sfxge_nvram_ioc_t *snip, efx_nvram_type_t type)
{
	efx_nic_t *enp = sp->s_enp;
	size_t chunk_size;
	int rc;
	_NOTE(ARGUNUSED(snip));

	if ((rc = efx_nvram_rw_start(enp, type, &chunk_size)) != 0)
		goto fail1;

	if ((rc = efx_nvram_erase(enp, type)) != 0)
		goto fail2;

	efx_nvram_rw_finish(enp, type);
	return (0);

fail2:
	DTRACE_PROBE(fail2);
	efx_nvram_rw_finish(enp, type);
fail1:
	DTRACE_PROBE1(fail1, int, rc);
	return (rc);
}