freebsd-dev/sys/dev/qlxgbe/ql_ioctl.c
David C Somayajulu 971e53c937 1. Add additional debug prints.
2. Break transmit when IFF_DRV_RUNNING is OFF.
3. set desc_count=0 for default case in switch in ql_rcv_isr()
MFC after:5 days
2018-03-29 17:36:34 +00:00

671 lines
16 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2013-2016 Qlogic Corporation
* 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.
*/
/*
* File: ql_ioctl.c
* Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "ql_os.h"
#include "ql_hw.h"
#include "ql_def.h"
#include "ql_inline.h"
#include "ql_glbl.h"
#include "ql_ioctl.h"
#include "ql_ver.h"
#include "ql_dbg.h"
static int ql_slowpath_log(qla_host_t *ha, qla_sp_log_t *log);
static int ql_drvr_state(qla_host_t *ha, qla_driver_state_t *drvr_state);
static uint32_t ql_drvr_state_size(qla_host_t *ha);
static int ql_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
struct thread *td);
static struct cdevsw qla_cdevsw = {
.d_version = D_VERSION,
.d_ioctl = ql_eioctl,
.d_name = "qlcnic",
};
int
ql_make_cdev(qla_host_t *ha)
{
ha->ioctl_dev = make_dev(&qla_cdevsw,
ha->ifp->if_dunit,
UID_ROOT,
GID_WHEEL,
0600,
"%s",
if_name(ha->ifp));
if (ha->ioctl_dev == NULL)
return (-1);
ha->ioctl_dev->si_drv1 = ha;
return (0);
}
void
ql_del_cdev(qla_host_t *ha)
{
if (ha->ioctl_dev != NULL)
destroy_dev(ha->ioctl_dev);
return;
}
static int
ql_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
struct thread *td)
{
qla_host_t *ha;
int rval = 0;
device_t pci_dev;
struct ifnet *ifp;
int count;
q80_offchip_mem_val_t val;
qla_rd_pci_ids_t *pci_ids;
qla_rd_fw_dump_t *fw_dump;
union {
qla_reg_val_t *rv;
qla_rd_flash_t *rdf;
qla_wr_flash_t *wrf;
qla_erase_flash_t *erf;
qla_offchip_mem_val_t *mem;
} u;
if ((ha = (qla_host_t *)dev->si_drv1) == NULL)
return ENXIO;
pci_dev= ha->pci_dev;
switch(cmd) {
case QLA_RDWR_REG:
u.rv = (qla_reg_val_t *)data;
if (u.rv->direct) {
if (u.rv->rd) {
u.rv->val = READ_REG32(ha, u.rv->reg);
} else {
WRITE_REG32(ha, u.rv->reg, u.rv->val);
}
} else {
if ((rval = ql_rdwr_indreg32(ha, u.rv->reg, &u.rv->val,
u.rv->rd)))
rval = ENXIO;
}
break;
case QLA_RD_FLASH:
if (!ha->hw.flags.fdt_valid) {
rval = EIO;
break;
}
u.rdf = (qla_rd_flash_t *)data;
if ((rval = ql_rd_flash32(ha, u.rdf->off, &u.rdf->data)))
rval = ENXIO;
break;
case QLA_WR_FLASH:
ifp = ha->ifp;
if (ifp == NULL) {
rval = ENXIO;
break;
}
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
rval = ENXIO;
break;
}
if (!ha->hw.flags.fdt_valid) {
rval = EIO;
break;
}
u.wrf = (qla_wr_flash_t *)data;
if ((rval = ql_wr_flash_buffer(ha, u.wrf->off, u.wrf->size,
u.wrf->buffer))) {
printf("flash write failed[%d]\n", rval);
rval = ENXIO;
}
break;
case QLA_ERASE_FLASH:
ifp = ha->ifp;
if (ifp == NULL) {
rval = ENXIO;
break;
}
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
rval = ENXIO;
break;
}
if (!ha->hw.flags.fdt_valid) {
rval = EIO;
break;
}
u.erf = (qla_erase_flash_t *)data;
if ((rval = ql_erase_flash(ha, u.erf->off,
u.erf->size))) {
printf("flash erase failed[%d]\n", rval);
rval = ENXIO;
}
break;
case QLA_RDWR_MS_MEM:
u.mem = (qla_offchip_mem_val_t *)data;
if ((rval = ql_rdwr_offchip_mem(ha, u.mem->off, &val,
u.mem->rd)))
rval = ENXIO;
else {
u.mem->data_lo = val.data_lo;
u.mem->data_hi = val.data_hi;
u.mem->data_ulo = val.data_ulo;
u.mem->data_uhi = val.data_uhi;
}
break;
case QLA_RD_FW_DUMP_SIZE:
if (ha->hw.mdump_init == 0) {
rval = EINVAL;
break;
}
fw_dump = (qla_rd_fw_dump_t *)data;
fw_dump->minidump_size = ha->hw.mdump_buffer_size +
ha->hw.mdump_template_size;
fw_dump->pci_func = ha->pci_func;
break;
case QLA_RD_FW_DUMP:
if (ha->hw.mdump_init == 0) {
device_printf(pci_dev, "%s: minidump not initialized\n", __func__);
rval = EINVAL;
break;
}
fw_dump = (qla_rd_fw_dump_t *)data;
if ((fw_dump->minidump == NULL) ||
(fw_dump->minidump_size != (ha->hw.mdump_buffer_size +
ha->hw.mdump_template_size))) {
device_printf(pci_dev,
"%s: minidump buffer [%p] size = [%d, %d] invalid\n", __func__,
fw_dump->minidump, fw_dump->minidump_size,
(ha->hw.mdump_buffer_size + ha->hw.mdump_template_size));
rval = EINVAL;
break;
}
if ((ha->pci_func & 0x1)) {
device_printf(pci_dev, "%s: mindump allowed only on Port0\n", __func__);
rval = ENXIO;
break;
}
fw_dump->saved = 1;
if (ha->offline) {
if (ha->enable_minidump)
ql_minidump(ha);
fw_dump->saved = 0;
fw_dump->usec_ts = ha->hw.mdump_usec_ts;
if (!ha->hw.mdump_done) {
device_printf(pci_dev,
"%s: port offline minidump failed\n", __func__);
rval = ENXIO;
break;
}
} else {
#define QLA_LOCK_MDUMP_MS_TIMEOUT (QLA_LOCK_DEFAULT_MS_TIMEOUT * 5)
if (QLA_LOCK(ha, __func__, QLA_LOCK_MDUMP_MS_TIMEOUT, 0) == 0) {
if (!ha->hw.mdump_done) {
fw_dump->saved = 0;
QL_INITIATE_RECOVERY(ha);
device_printf(pci_dev, "%s: recovery initiated "
" to trigger minidump\n",
__func__);
}
QLA_UNLOCK(ha, __func__);
} else {
device_printf(pci_dev, "%s: QLA_LOCK() failed0\n", __func__);
rval = ENXIO;
break;
}
#define QLNX_DUMP_WAIT_SECS 30
count = QLNX_DUMP_WAIT_SECS * 1000;
while (count) {
if (ha->hw.mdump_done)
break;
qla_mdelay(__func__, 100);
count -= 100;
}
if (!ha->hw.mdump_done) {
device_printf(pci_dev,
"%s: port not offline minidump failed\n", __func__);
rval = ENXIO;
break;
}
fw_dump->usec_ts = ha->hw.mdump_usec_ts;
if (QLA_LOCK(ha, __func__, QLA_LOCK_MDUMP_MS_TIMEOUT, 0) == 0) {
ha->hw.mdump_done = 0;
QLA_UNLOCK(ha, __func__);
} else {
device_printf(pci_dev, "%s: QLA_LOCK() failed1\n", __func__);
rval = ENXIO;
break;
}
}
if ((rval = copyout(ha->hw.mdump_template,
fw_dump->minidump, ha->hw.mdump_template_size))) {
device_printf(pci_dev, "%s: template copyout failed\n", __func__);
rval = ENXIO;
break;
}
if ((rval = copyout(ha->hw.mdump_buffer,
((uint8_t *)fw_dump->minidump +
ha->hw.mdump_template_size),
ha->hw.mdump_buffer_size))) {
device_printf(pci_dev, "%s: minidump copyout failed\n", __func__);
rval = ENXIO;
}
break;
case QLA_RD_DRVR_STATE:
rval = ql_drvr_state(ha, (qla_driver_state_t *)data);
break;
case QLA_RD_SLOWPATH_LOG:
rval = ql_slowpath_log(ha, (qla_sp_log_t *)data);
break;
case QLA_RD_PCI_IDS:
pci_ids = (qla_rd_pci_ids_t *)data;
pci_ids->ven_id = pci_get_vendor(pci_dev);
pci_ids->dev_id = pci_get_device(pci_dev);
pci_ids->subsys_ven_id = pci_get_subvendor(pci_dev);
pci_ids->subsys_dev_id = pci_get_subdevice(pci_dev);
pci_ids->rev_id = pci_read_config(pci_dev, PCIR_REVID, 1);
break;
default:
break;
}
return rval;
}
static int
ql_drvr_state(qla_host_t *ha, qla_driver_state_t *state)
{
int rval = 0;
uint32_t drvr_state_size;
drvr_state_size = ql_drvr_state_size(ha);
if (state->buffer == NULL) {
state->size = drvr_state_size;
return (0);
}
if (state->size < drvr_state_size)
return (ENXIO);
if (ha->hw.drvr_state == NULL)
return (ENOMEM);
ql_capture_drvr_state(ha);
rval = copyout(ha->hw.drvr_state, state->buffer, drvr_state_size);
bzero(ha->hw.drvr_state, drvr_state_size);
return (rval);
}
static uint32_t
ql_drvr_state_size(qla_host_t *ha)
{
uint32_t drvr_state_size;
uint32_t size;
size = sizeof (qla_drvr_state_hdr_t);
drvr_state_size = QL_ALIGN(size, 64);
size = ha->hw.num_tx_rings * (sizeof (qla_drvr_state_tx_t));
drvr_state_size += QL_ALIGN(size, 64);
size = ha->hw.num_rds_rings * (sizeof (qla_drvr_state_rx_t));
drvr_state_size += QL_ALIGN(size, 64);
size = ha->hw.num_sds_rings * (sizeof (qla_drvr_state_sds_t));
drvr_state_size += QL_ALIGN(size, 64);
size = sizeof(q80_tx_cmd_t) * NUM_TX_DESCRIPTORS * ha->hw.num_tx_rings;
drvr_state_size += QL_ALIGN(size, 64);
size = sizeof(q80_recv_desc_t) * NUM_RX_DESCRIPTORS * ha->hw.num_rds_rings;
drvr_state_size += QL_ALIGN(size, 64);
size = sizeof(q80_stat_desc_t) * NUM_STATUS_DESCRIPTORS *
ha->hw.num_sds_rings;
drvr_state_size += QL_ALIGN(size, 64);
return (drvr_state_size);
}
static void
ql_get_tx_state(qla_host_t *ha, qla_drvr_state_tx_t *tx_state)
{
int i;
for (i = 0; i < ha->hw.num_tx_rings; i++) {
tx_state->base_p_addr = ha->hw.tx_cntxt[i].tx_ring_paddr;
tx_state->cons_p_addr = ha->hw.tx_cntxt[i].tx_cons_paddr;
tx_state->tx_prod_reg = ha->hw.tx_cntxt[i].tx_prod_reg;
tx_state->tx_cntxt_id = ha->hw.tx_cntxt[i].tx_cntxt_id;
tx_state->txr_free = ha->hw.tx_cntxt[i].txr_free;
tx_state->txr_next = ha->hw.tx_cntxt[i].txr_next;
tx_state->txr_comp = ha->hw.tx_cntxt[i].txr_comp;
tx_state++;
}
return;
}
static void
ql_get_rx_state(qla_host_t *ha, qla_drvr_state_rx_t *rx_state)
{
int i;
for (i = 0; i < ha->hw.num_rds_rings; i++) {
rx_state->prod_std = ha->hw.rds[i].prod_std;
rx_state->rx_next = ha->hw.rds[i].rx_next;
rx_state++;
}
return;
}
static void
ql_get_sds_state(qla_host_t *ha, qla_drvr_state_sds_t *sds_state)
{
int i;
for (i = 0; i < ha->hw.num_sds_rings; i++) {
sds_state->sdsr_next = ha->hw.sds[i].sdsr_next;
sds_state->sds_consumer = ha->hw.sds[i].sds_consumer;
sds_state++;
}
return;
}
void
ql_capture_drvr_state(qla_host_t *ha)
{
uint8_t *state_buffer;
uint8_t *ptr;
qla_drvr_state_hdr_t *hdr;
uint32_t size;
int i;
state_buffer = ha->hw.drvr_state;
if (state_buffer == NULL)
return;
hdr = (qla_drvr_state_hdr_t *)state_buffer;
hdr->saved = 0;
if (hdr->drvr_version_major) {
hdr->saved = 1;
return;
}
hdr->usec_ts = qla_get_usec_timestamp();
hdr->drvr_version_major = QLA_VERSION_MAJOR;
hdr->drvr_version_minor = QLA_VERSION_MINOR;
hdr->drvr_version_build = QLA_VERSION_BUILD;
bcopy(ha->hw.mac_addr, hdr->mac_addr, ETHER_ADDR_LEN);
hdr->link_speed = ha->hw.link_speed;
hdr->cable_length = ha->hw.cable_length;
hdr->cable_oui = ha->hw.cable_oui;
hdr->link_up = ha->hw.link_up;
hdr->module_type = ha->hw.module_type;
hdr->link_faults = ha->hw.link_faults;
hdr->rcv_intr_coalesce = ha->hw.rcv_intr_coalesce;
hdr->xmt_intr_coalesce = ha->hw.xmt_intr_coalesce;
size = sizeof (qla_drvr_state_hdr_t);
hdr->tx_state_offset = QL_ALIGN(size, 64);
ptr = state_buffer + hdr->tx_state_offset;
ql_get_tx_state(ha, (qla_drvr_state_tx_t *)ptr);
size = ha->hw.num_tx_rings * (sizeof (qla_drvr_state_tx_t));
hdr->rx_state_offset = hdr->tx_state_offset + QL_ALIGN(size, 64);
ptr = state_buffer + hdr->rx_state_offset;
ql_get_rx_state(ha, (qla_drvr_state_rx_t *)ptr);
size = ha->hw.num_rds_rings * (sizeof (qla_drvr_state_rx_t));
hdr->sds_state_offset = hdr->rx_state_offset + QL_ALIGN(size, 64);
ptr = state_buffer + hdr->sds_state_offset;
ql_get_sds_state(ha, (qla_drvr_state_sds_t *)ptr);
size = ha->hw.num_sds_rings * (sizeof (qla_drvr_state_sds_t));
hdr->txr_offset = hdr->sds_state_offset + QL_ALIGN(size, 64);
ptr = state_buffer + hdr->txr_offset;
hdr->num_tx_rings = ha->hw.num_tx_rings;
hdr->txr_size = sizeof(q80_tx_cmd_t) * NUM_TX_DESCRIPTORS;
hdr->txr_entries = NUM_TX_DESCRIPTORS;
size = hdr->num_tx_rings * hdr->txr_size;
bcopy(ha->hw.dma_buf.tx_ring.dma_b, ptr, size);
hdr->rxr_offset = hdr->txr_offset + QL_ALIGN(size, 64);
ptr = state_buffer + hdr->rxr_offset;
hdr->rxr_size = sizeof(q80_recv_desc_t) * NUM_RX_DESCRIPTORS;
hdr->rxr_entries = NUM_RX_DESCRIPTORS;
hdr->num_rx_rings = ha->hw.num_rds_rings;
for (i = 0; i < ha->hw.num_rds_rings; i++) {
bcopy(ha->hw.dma_buf.rds_ring[i].dma_b, ptr, hdr->rxr_size);
ptr += hdr->rxr_size;
}
size = hdr->rxr_size * hdr->num_rx_rings;
hdr->sds_offset = hdr->rxr_offset + QL_ALIGN(size, 64);
hdr->sds_ring_size = sizeof(q80_stat_desc_t) * NUM_STATUS_DESCRIPTORS;
hdr->sds_entries = NUM_STATUS_DESCRIPTORS;
hdr->num_sds_rings = ha->hw.num_sds_rings;
ptr = state_buffer + hdr->sds_offset;
for (i = 0; i < ha->hw.num_sds_rings; i++) {
bcopy(ha->hw.dma_buf.sds_ring[i].dma_b, ptr, hdr->sds_ring_size);
ptr += hdr->sds_ring_size;
}
return;
}
void
ql_alloc_drvr_state_buffer(qla_host_t *ha)
{
uint32_t drvr_state_size;
drvr_state_size = ql_drvr_state_size(ha);
ha->hw.drvr_state = malloc(drvr_state_size, M_QLA83XXBUF, M_NOWAIT);
if (ha->hw.drvr_state != NULL)
bzero(ha->hw.drvr_state, drvr_state_size);
return;
}
void
ql_free_drvr_state_buffer(qla_host_t *ha)
{
if (ha->hw.drvr_state != NULL)
free(ha->hw.drvr_state, M_QLA83XXBUF);
return;
}
void
ql_sp_log(qla_host_t *ha, uint16_t fmtstr_idx, uint16_t num_params,
uint32_t param0, uint32_t param1, uint32_t param2, uint32_t param3,
uint32_t param4)
{
qla_sp_log_entry_t *sp_e, *sp_log;
if (((sp_log = ha->hw.sp_log) == NULL) || ha->hw.sp_log_stop)
return;
mtx_lock(&ha->sp_log_lock);
sp_e = &sp_log[ha->hw.sp_log_index];
bzero(sp_e, sizeof (qla_sp_log_entry_t));
sp_e->fmtstr_idx = fmtstr_idx;
sp_e->num_params = num_params;
sp_e->usec_ts = qla_get_usec_timestamp();
sp_e->params[0] = param0;
sp_e->params[1] = param1;
sp_e->params[2] = param2;
sp_e->params[3] = param3;
sp_e->params[4] = param4;
ha->hw.sp_log_index = (ha->hw.sp_log_index + 1) & (NUM_LOG_ENTRIES - 1);
if (ha->hw.sp_log_num_entries < NUM_LOG_ENTRIES)
ha->hw.sp_log_num_entries++;
mtx_unlock(&ha->sp_log_lock);
return;
}
void
ql_alloc_sp_log_buffer(qla_host_t *ha)
{
uint32_t size;
size = (sizeof(qla_sp_log_entry_t)) * NUM_LOG_ENTRIES;
ha->hw.sp_log = malloc(size, M_QLA83XXBUF, M_NOWAIT);
if (ha->hw.sp_log != NULL)
bzero(ha->hw.sp_log, size);
ha->hw.sp_log_index = 0;
ha->hw.sp_log_num_entries = 0;
return;
}
void
ql_free_sp_log_buffer(qla_host_t *ha)
{
if (ha->hw.sp_log != NULL)
free(ha->hw.sp_log, M_QLA83XXBUF);
return;
}
static int
ql_slowpath_log(qla_host_t *ha, qla_sp_log_t *log)
{
int rval = 0;
uint32_t size;
if ((ha->hw.sp_log == NULL) || (log->buffer == NULL))
return (EINVAL);
size = (sizeof(qla_sp_log_entry_t) * NUM_LOG_ENTRIES);
mtx_lock(&ha->sp_log_lock);
rval = copyout(ha->hw.sp_log, log->buffer, size);
if (!rval) {
log->next_idx = ha->hw.sp_log_index;
log->num_entries = ha->hw.sp_log_num_entries;
}
device_printf(ha->pci_dev,
"%s: exit [rval = %d][%p, next_idx = %d, %d entries, %d bytes]\n",
__func__, rval, log->buffer, log->next_idx, log->num_entries, size);
mtx_unlock(&ha->sp_log_lock);
return (rval);
}