1972e0c429
Found by lint on illumos. Submitted by: Garrett D'Amore <garrett at damore.org> Sponsored by: Solarflare Communications, Inc. MFC after: 1 week
251 lines
6.5 KiB
C
251 lines
6.5 KiB
C
/*-
|
|
* Copyright (c) 2012-2016 Solarflare Communications Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* The views and conclusions contained in the software and documentation are
|
|
* those of the authors and should not be interpreted as representing official
|
|
* policies, either expressed or implied, of the FreeBSD Project.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "efx.h"
|
|
#include "efx_impl.h"
|
|
|
|
#if EFSYS_OPT_SIENA && EFSYS_OPT_MCDI
|
|
|
|
#define SIENA_MCDI_PDU(_emip) \
|
|
(((emip)->emi_port == 1) \
|
|
? MC_SMEM_P0_PDU_OFST >> 2 \
|
|
: MC_SMEM_P1_PDU_OFST >> 2)
|
|
|
|
#define SIENA_MCDI_DOORBELL(_emip) \
|
|
(((emip)->emi_port == 1) \
|
|
? MC_SMEM_P0_DOORBELL_OFST >> 2 \
|
|
: MC_SMEM_P1_DOORBELL_OFST >> 2)
|
|
|
|
#define SIENA_MCDI_STATUS(_emip) \
|
|
(((emip)->emi_port == 1) \
|
|
? MC_SMEM_P0_STATUS_OFST >> 2 \
|
|
: MC_SMEM_P1_STATUS_OFST >> 2)
|
|
|
|
|
|
void
|
|
siena_mcdi_send_request(
|
|
__in efx_nic_t *enp,
|
|
__in void *hdrp,
|
|
__in size_t hdr_len,
|
|
__in void *sdup,
|
|
__in size_t sdu_len)
|
|
{
|
|
efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
|
|
efx_dword_t dword;
|
|
unsigned int pdur;
|
|
unsigned int dbr;
|
|
unsigned int pos;
|
|
|
|
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
|
|
|
|
EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2);
|
|
pdur = SIENA_MCDI_PDU(emip);
|
|
dbr = SIENA_MCDI_DOORBELL(emip);
|
|
|
|
/* Write the header */
|
|
EFSYS_ASSERT3U(hdr_len, ==, sizeof (efx_dword_t));
|
|
dword = *(efx_dword_t *)hdrp;
|
|
EFX_BAR_TBL_WRITED(enp, FR_CZ_MC_TREG_SMEM, pdur, &dword, B_TRUE);
|
|
|
|
/* Write the payload */
|
|
for (pos = 0; pos < sdu_len; pos += sizeof (efx_dword_t)) {
|
|
dword = *(efx_dword_t *)((uint8_t *)sdup + pos);
|
|
EFX_BAR_TBL_WRITED(enp, FR_CZ_MC_TREG_SMEM,
|
|
pdur + 1 + (pos >> 2), &dword, B_FALSE);
|
|
}
|
|
|
|
/* Ring the doorbell */
|
|
EFX_POPULATE_DWORD_1(dword, EFX_DWORD_0, 0xd004be11);
|
|
EFX_BAR_TBL_WRITED(enp, FR_CZ_MC_TREG_SMEM, dbr, &dword, B_FALSE);
|
|
}
|
|
|
|
efx_rc_t
|
|
siena_mcdi_poll_reboot(
|
|
__in efx_nic_t *enp)
|
|
{
|
|
#ifndef EFX_GRACEFUL_MC_REBOOT
|
|
/*
|
|
* This function is not being used properly.
|
|
* Until its callers are fixed, it should always return 0.
|
|
*/
|
|
_NOTE(ARGUNUSED(enp))
|
|
return (0);
|
|
#else
|
|
efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
|
|
unsigned int rebootr;
|
|
efx_dword_t dword;
|
|
uint32_t value;
|
|
|
|
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
|
|
EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2);
|
|
rebootr = SIENA_MCDI_STATUS(emip);
|
|
|
|
EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, rebootr, &dword, B_FALSE);
|
|
value = EFX_DWORD_FIELD(dword, EFX_DWORD_0);
|
|
|
|
if (value == 0)
|
|
return (0);
|
|
|
|
EFX_ZERO_DWORD(dword);
|
|
EFX_BAR_TBL_WRITED(enp, FR_CZ_MC_TREG_SMEM, rebootr, &dword, B_FALSE);
|
|
|
|
if (value == MC_STATUS_DWORD_ASSERT)
|
|
return (EINTR);
|
|
else
|
|
return (EIO);
|
|
#endif
|
|
}
|
|
|
|
extern __checkReturn boolean_t
|
|
siena_mcdi_poll_response(
|
|
__in efx_nic_t *enp)
|
|
{
|
|
efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
|
|
efx_dword_t hdr;
|
|
unsigned int pdur;
|
|
|
|
EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2);
|
|
pdur = SIENA_MCDI_PDU(emip);
|
|
|
|
EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, pdur, &hdr, B_FALSE);
|
|
return (EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE) ? B_TRUE : B_FALSE);
|
|
}
|
|
|
|
void
|
|
siena_mcdi_read_response(
|
|
__in efx_nic_t *enp,
|
|
__out_bcount(length) void *bufferp,
|
|
__in size_t offset,
|
|
__in size_t length)
|
|
{
|
|
efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
|
|
unsigned int pdur;
|
|
unsigned int pos;
|
|
efx_dword_t data;
|
|
|
|
EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2);
|
|
pdur = SIENA_MCDI_PDU(emip);
|
|
|
|
for (pos = 0; pos < length; pos += sizeof (efx_dword_t)) {
|
|
EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM,
|
|
pdur + ((offset + pos) >> 2), &data, B_FALSE);
|
|
memcpy((uint8_t *)bufferp + pos, &data,
|
|
MIN(sizeof (data), length - pos));
|
|
}
|
|
}
|
|
|
|
__checkReturn efx_rc_t
|
|
siena_mcdi_init(
|
|
__in efx_nic_t *enp,
|
|
__in const efx_mcdi_transport_t *mtp)
|
|
{
|
|
efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
|
|
efx_oword_t oword;
|
|
unsigned int portnum;
|
|
efx_rc_t rc;
|
|
|
|
_NOTE(ARGUNUSED(mtp))
|
|
|
|
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
|
|
|
|
/* Determine the port number to use for MCDI */
|
|
EFX_BAR_READO(enp, FR_AZ_CS_DEBUG_REG, &oword);
|
|
portnum = EFX_OWORD_FIELD(oword, FRF_CZ_CS_PORT_NUM);
|
|
|
|
if (portnum == 0) {
|
|
/* Presumably booted from ROM; only MCDI port 1 will work */
|
|
emip->emi_port = 1;
|
|
} else if (portnum <= 2) {
|
|
emip->emi_port = portnum;
|
|
} else {
|
|
rc = EINVAL;
|
|
goto fail1;
|
|
}
|
|
|
|
/* Siena BootROM and firmware only support MCDIv1 */
|
|
emip->emi_max_version = 1;
|
|
|
|
/*
|
|
* Wipe the atomic reboot status so subsequent MCDI requests succeed.
|
|
* BOOT_STATUS is preserved so eno_nic_probe() can boot out of the
|
|
* assertion handler.
|
|
*/
|
|
(void) siena_mcdi_poll_reboot(enp);
|
|
|
|
return (0);
|
|
|
|
fail1:
|
|
EFSYS_PROBE1(fail1, efx_rc_t, rc);
|
|
|
|
return (rc);
|
|
}
|
|
|
|
void
|
|
siena_mcdi_fini(
|
|
__in efx_nic_t *enp)
|
|
{
|
|
_NOTE(ARGUNUSED(enp))
|
|
}
|
|
|
|
__checkReturn efx_rc_t
|
|
siena_mcdi_feature_supported(
|
|
__in efx_nic_t *enp,
|
|
__in efx_mcdi_feature_id_t id,
|
|
__out boolean_t *supportedp)
|
|
{
|
|
efx_rc_t rc;
|
|
|
|
EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA);
|
|
|
|
switch (id) {
|
|
case EFX_MCDI_FEATURE_FW_UPDATE:
|
|
case EFX_MCDI_FEATURE_LINK_CONTROL:
|
|
case EFX_MCDI_FEATURE_MACADDR_CHANGE:
|
|
case EFX_MCDI_FEATURE_MAC_SPOOFING:
|
|
*supportedp = B_TRUE;
|
|
break;
|
|
default:
|
|
rc = ENOTSUP;
|
|
goto fail1;
|
|
}
|
|
|
|
return (0);
|
|
|
|
fail1:
|
|
EFSYS_PROBE1(fail1, efx_rc_t, rc);
|
|
|
|
return (rc);
|
|
}
|
|
|
|
#endif /* EFSYS_OPT_SIENA && EFSYS_OPT_MCDI */
|