static int nicvf_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct nicvf *nic = netdev_priv(netdev);
struct queue_set *qs = nic->qs;
u32 rx_count, tx_count;
/* Due to HW errata this is not supported on T88 pass 1.x silicon */
if (pass1_silicon(nic->pdev))
return -EINVAL;
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
tx_count = clamp_t(u32, ring->tx_pending,
MIN_SND_QUEUE_LEN, MAX_SND_QUEUE_LEN);
rx_count = clamp_t(u32, ring->rx_pending,
MIN_CMP_QUEUE_LEN, MAX_CMP_QUEUE_LEN);
if ((tx_count == qs->sq_len) && (rx_count == qs->cq_len))
return 0;
/* Permitted lengths are 1K, 2K, 4K, 8K, 16K, 32K, 64K */
qs->sq_len = rounddown_pow_of_two(tx_count);
qs->cq_len = rounddown_pow_of_two(rx_count);
if (netif_running(netdev)) {
nicvf_stop(netdev);
nicvf_open(netdev);
}
return 0;
}
static ssize_t notrace stm_generic_packet(struct stm_data *stm_data,
unsigned int master,
unsigned int channel,
unsigned int packet,
unsigned int flags,
unsigned int size,
const unsigned char *payload)
{
void __iomem *ch_addr;
struct stm_drvdata *drvdata = container_of(stm_data,
struct stm_drvdata, stm);
if (!(drvdata && local_read(&drvdata->mode)))
return -EACCES;
if (channel >= drvdata->numsp)
return -EINVAL;
ch_addr = stm_channel_addr(drvdata, channel);
flags = (flags == STP_PACKET_TIMESTAMPED) ? STM_FLAG_TIMESTAMPED : 0;
flags |= test_bit(channel, drvdata->chs.guaranteed) ?
STM_FLAG_GUARANTEED : 0;
if (size > drvdata->write_bytes)
size = drvdata->write_bytes;
else
size = rounddown_pow_of_two(size);
switch (packet) {
case STP_PACKET_FLAG:
ch_addr += stm_channel_off(STM_PKT_TYPE_FLAG, flags);
/*
* The generic STM core sets a size of '0' on flag packets.
* As such send a flag packet of size '1' and tell the
* core we did so.
*/
stm_send(ch_addr, payload, 1, drvdata->write_bytes);
size = 1;
break;
case STP_PACKET_DATA:
ch_addr += stm_channel_off(STM_PKT_TYPE_DATA, flags);
stm_send(ch_addr, payload, size,
drvdata->write_bytes);
break;
default:
return -ENOTSUPP;
}
return size;
}
static void qlcnic_get_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
int min;
struct qlcnic_adapter *adapter = netdev_priv(dev);
min = min_t(int, adapter->ahw->max_rx_ques, num_online_cpus());
channel->max_rx = rounddown_pow_of_two(min);
channel->max_tx = adapter->ahw->max_tx_ques;
channel->rx_count = adapter->max_sds_rings;
channel->tx_count = adapter->ahw->max_tx_ques;
}
static void mlx4_en_validate_params(struct mlx4_en_dev *mdev)
{
#if defined(__VMKLNX__) && defined(__VMKNETDDI_QUEUEOPS__)
#ifdef __VMKERNEL_RSS_NETQ_SUPPORT__
if (!netq) {
/* not using netq so no reason for netq RSS */
mlx4_warn(mdev, "netq is disabled, setting netq_num_rings_per_rss to 0\n");
netq_num_rings_per_rss = 0;
} else {
if (netq_num_rings_per_rss > MAX_NETQ_NUM_RINGS_PER_RSS) {
mlx4_warn(mdev, "Unable to set netq_num_rings_per_rss to = %u "
"since it is too high, Using %u instead\n",
netq_num_rings_per_rss, MAX_NETQ_NUM_RINGS_PER_RSS);
netq_num_rings_per_rss = MAX_NETQ_NUM_RINGS_PER_RSS;
} else if (netq_num_rings_per_rss < MIN_NETQ_NUM_RINGS_PER_RSS) {
mlx4_warn(mdev, "Unable to set netq_num_rings_per_rss to = %u "
"since it is too low, Using %u instead\n",
netq_num_rings_per_rss, MIN_NETQ_NUM_RINGS_PER_RSS);
netq_num_rings_per_rss = MIN_NETQ_NUM_RINGS_PER_RSS;
}
/* netq_num_rings_per_rss must be even */
if ((netq_num_rings_per_rss % 2) != 0) {
--netq_num_rings_per_rss;
mlx4_warn(mdev, "netq_num_rings_per_rss must be of even value, "
"setting it to %u\n", netq_num_rings_per_rss);
}
/* netq_num_rings_per_rss must be power of 2 */
if ((netq_num_rings_per_rss != 0) && (!is_power_of_2(netq_num_rings_per_rss))) {
mlx4_warn(mdev, "netq_num_rings_per_rss must be power of 2 "
"rounding down to %lu\n", rounddown_pow_of_two(netq_num_rings_per_rss));
netq_num_rings_per_rss = rounddown_pow_of_two(netq_num_rings_per_rss);
}
}
#endif /* __VMKERNEL_RSS_NETQ_SUPPORT__ */
#endif /* NET QUEUE */
}
static int mlx4_en_fill_rx_buffers(struct mlx4_en_priv *priv)
{
struct mlx4_en_rx_ring *ring;
int ring_ind;
int buf_ind;
int new_size;
int err;
for (buf_ind = 0; buf_ind < priv->prof->rx_ring_size; buf_ind++) {
for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
ring = priv->rx_ring[ring_ind];
err = mlx4_en_prepare_rx_desc(priv, ring,
ring->actual_size);
if (err) {
if (ring->actual_size == 0) {
en_err(priv, "Failed to allocate "
"enough rx buffers\n");
return -ENOMEM;
} else {
new_size =
rounddown_pow_of_two(ring->actual_size);
en_warn(priv, "Only %d buffers allocated "
"reducing ring size to %d\n",
ring->actual_size, new_size);
goto reduce_rings;
}
}
ring->actual_size++;
ring->prod++;
}
}
return 0;
reduce_rings:
for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
ring = priv->rx_ring[ring_ind];
while (ring->actual_size > new_size) {
ring->actual_size--;
ring->prod--;
mlx4_en_free_buf(ring,
ring->mbuf + ring->actual_size);
}
}
return 0;
}
static u32 mlx4_en_calc_rx_ring_num(struct mlx4_en_dev *mdev)
{
struct mlx4_dev *dev = mdev->dev;
u32 rx_ring_num;
if (!dev->caps.comp_pool)
rx_ring_num = dev->caps.num_comp_vectors;
else {
rx_ring_num = dev->caps.comp_pool / dev->caps.num_ports;
rx_ring_num = min_t(int, rx_ring_num, MAX_MSIX_P_PORT);
}
rx_ring_num = min_t(int, rx_ring_num, MAX_RX_RINGS);
rx_ring_num = max_t(int, rx_ring_num, MIN_RX_RINGS);
rx_ring_num = rounddown_pow_of_two(rx_ring_num);
return rx_ring_num;
}
void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev)
{
int i;
int num_of_eqs;
int num_rx_rings;
struct mlx4_dev *dev = mdev->dev;
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
num_of_eqs = max_t(int, MIN_RX_RINGS,
min_t(int,
mlx4_get_eqs_per_port(mdev->dev, i),
DEF_RX_RINGS));
num_rx_rings = mlx4_low_memory_profile() ? MIN_RX_RINGS :
num_of_eqs;
mdev->profile.prof[i].rx_ring_num =
rounddown_pow_of_two(num_rx_rings);
}
static int mlx4_en_fill_rx_buffers(struct mlx4_en_priv *priv)
{
struct mlx4_en_rx_ring *ring;
int ring_ind;
int buf_ind;
int new_size;
for (buf_ind = 0; buf_ind < priv->prof->rx_ring_size; buf_ind++) {
for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
ring = priv->rx_ring[ring_ind];
if (mlx4_en_prepare_rx_desc(priv, ring,
ring->actual_size,
GFP_KERNEL | __GFP_COLD)) {
if (ring->actual_size < MLX4_EN_MIN_RX_SIZE) {
en_err(priv, "Failed to allocate enough rx buffers\n");
return -ENOMEM;
} else {
new_size = rounddown_pow_of_two(ring->actual_size);
en_warn(priv, "Only %d buffers allocated reducing ring size to %d\n",
ring->actual_size, new_size);
goto reduce_rings;
}
}
ring->actual_size++;
ring->prod++;
}
}
return 0;
reduce_rings:
for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
ring = priv->rx_ring[ring_ind];
while (ring->actual_size > new_size) {
ring->actual_size--;
ring->prod--;
mlx4_en_free_rx_desc(priv, ring, ring->actual_size);
}
}
return 0;
}
static u32 mlx4_en_calc_rings_per_rss(struct mlx4_en_dev *mdev,
u32 total_rx_ring,
u32 num_rss_queue,
u32 requested)
{
u32 granted = requested;
if (!requested)
goto out;
if (!num_rss_queue) {
granted = 0;
goto out;
}
/* 1 default ring + 1 regular ring + requested RSS rings */
if (total_rx_ring < (2 + num_rss_queue * requested)) {
mlx4_warn(mdev, "not enough free EQs to open netq RSS with "
"%u rings per RSS\n", requested);
/* best effort to open with as many RSS rings as possible */
while (requested > 2) {
requested = rounddown_pow_of_two(requested-1);
/* 1 default ring + 1 regular ring + requested RSS rings */
if (total_rx_ring >= (2 + num_rss_queue * requested)) {
mlx4_warn(mdev, "Setting netq_num_rings_per_rss to %u\n",
requested);
granted = requested;
goto out;
}
}
mlx4_warn(mdev, "disabling netq RSS\n");
granted = 0;
}
out:
return granted;
}
void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev)
{
int i;
int num_of_eqs;
int num_rx_rings;
struct mlx4_dev *dev = mdev->dev;
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
if (!dev->caps.comp_pool)
num_of_eqs = max_t(int, MIN_RX_RINGS,
min_t(int,
dev->caps.num_comp_vectors,
DEF_RX_RINGS));
else
num_of_eqs = min_t(int, MAX_MSIX_P_PORT,
dev->caps.comp_pool/
dev->caps.num_ports) - 1;
num_rx_rings = mlx4_low_memory_profile() ? MIN_RX_RINGS :
min_t(int, num_of_eqs,
netif_get_num_default_rss_queues());
mdev->profile.prof[i].rx_ring_num =
rounddown_pow_of_two(num_rx_rings);
}
static int ramoops_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ramoops_platform_data *pdata = dev->platform_data;
struct ramoops_context *cxt = &oops_cxt;
size_t dump_mem_sz;
phys_addr_t paddr;
int err = -EINVAL;
if (dev_of_node(dev) && !pdata) {
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
err = -ENOMEM;
goto fail_out;
}
err = ramoops_parse_dt(pdev, pdata);
if (err < 0)
goto fail_out;
}
/* Only a single ramoops area allowed at a time, so fail extra
* probes.
*/
if (cxt->max_dump_cnt)
goto fail_out;
if (!pdata->mem_size || (!pdata->record_size && !pdata->console_size &&
!pdata->ftrace_size && !pdata->pmsg_size)) {
pr_err("The memory size and the record/console size must be "
"non-zero\n");
goto fail_out;
}
if (pdata->record_size && !is_power_of_2(pdata->record_size))
pdata->record_size = rounddown_pow_of_two(pdata->record_size);
if (pdata->console_size && !is_power_of_2(pdata->console_size))
pdata->console_size = rounddown_pow_of_two(pdata->console_size);
if (pdata->ftrace_size && !is_power_of_2(pdata->ftrace_size))
pdata->ftrace_size = rounddown_pow_of_two(pdata->ftrace_size);
if (pdata->pmsg_size && !is_power_of_2(pdata->pmsg_size))
pdata->pmsg_size = rounddown_pow_of_two(pdata->pmsg_size);
cxt->size = pdata->mem_size;
cxt->phys_addr = pdata->mem_address;
cxt->memtype = pdata->mem_type;
cxt->record_size = pdata->record_size;
cxt->console_size = pdata->console_size;
cxt->ftrace_size = pdata->ftrace_size;
cxt->pmsg_size = pdata->pmsg_size;
cxt->dump_oops = pdata->dump_oops;
cxt->ecc_info = pdata->ecc_info;
paddr = cxt->phys_addr;
dump_mem_sz = cxt->size - cxt->console_size - cxt->ftrace_size
- cxt->pmsg_size;
err = ramoops_init_przs(dev, cxt, &paddr, dump_mem_sz);
if (err)
goto fail_out;
err = ramoops_init_prz(dev, cxt, &cxt->cprz, &paddr,
cxt->console_size, 0);
if (err)
goto fail_init_cprz;
err = ramoops_init_prz(dev, cxt, &cxt->fprz, &paddr, cxt->ftrace_size,
LINUX_VERSION_CODE);
if (err)
goto fail_init_fprz;
err = ramoops_init_prz(dev, cxt, &cxt->mprz, &paddr, cxt->pmsg_size, 0);
if (err)
goto fail_init_mprz;
cxt->pstore.data = cxt;
/*
* Console can handle any buffer size, so prefer LOG_LINE_MAX. If we
* have to handle dumps, we must have at least record_size buffer. And
* for ftrace, bufsize is irrelevant (if bufsize is 0, buf will be
* ZERO_SIZE_PTR).
*/
if (cxt->console_size)
cxt->pstore.bufsize = 1024; /* LOG_LINE_MAX */
cxt->pstore.bufsize = max(cxt->record_size, cxt->pstore.bufsize);
cxt->pstore.buf = kmalloc(cxt->pstore.bufsize, GFP_KERNEL);
if (!cxt->pstore.buf) {
pr_err("cannot allocate pstore buffer\n");
err = -ENOMEM;
goto fail_clear;
}
spin_lock_init(&cxt->pstore.buf_lock);
cxt->pstore.flags = PSTORE_FLAGS_DMESG;
if (cxt->console_size)
cxt->pstore.flags |= PSTORE_FLAGS_CONSOLE;
if (cxt->ftrace_size)
cxt->pstore.flags |= PSTORE_FLAGS_FTRACE;
if (cxt->pmsg_size)
cxt->pstore.flags |= PSTORE_FLAGS_PMSG;
err = pstore_register(&cxt->pstore);
if (err) {
pr_err("registering with pstore failed\n");
goto fail_buf;
}
/*
* Update the module parameter variables as well so they are visible
* through /sys/module/ramoops/parameters/
*/
mem_size = pdata->mem_size;
mem_address = pdata->mem_address;
record_size = pdata->record_size;
dump_oops = pdata->dump_oops;
ramoops_console_size = pdata->console_size;
ramoops_pmsg_size = pdata->pmsg_size;
ramoops_ftrace_size = pdata->ftrace_size;
pr_info("attached 0x%lx@0x%llx, ecc: %d/%d\n",
cxt->size, (unsigned long long)cxt->phys_addr,
cxt->ecc_info.ecc_size, cxt->ecc_info.block_size);
return 0;
fail_buf:
kfree(cxt->pstore.buf);
fail_clear:
cxt->pstore.bufsize = 0;
persistent_ram_free(cxt->mprz);
fail_init_mprz:
persistent_ram_free(cxt->fprz);
fail_init_fprz:
persistent_ram_free(cxt->cprz);
fail_init_cprz:
ramoops_free_przs(cxt);
fail_out:
return err;
}
struct mlx4_dev *dev = mdev->dev;
struct mlx4_en_port_profile *prof = NULL;
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
prof = &mdev->profile.prof[i];
if (!dev->caps.comp_pool)
num_of_eqs = max_t(int, MIN_RX_RINGS,
min_t(int,
dev->caps.num_comp_vectors,
DEF_RX_RINGS));
else
num_of_eqs = min_t(int, MAX_MSIX_P_PORT,
dev->caps.comp_pool/
dev->caps.num_ports);
prof->rx_ring_num = rounddown_pow_of_two(num_of_eqs);
}
}
#ifdef CONFIG_COMPAT_LRO_ENABLED
static int mlx4_en_get_frag_hdr(struct skb_frag_struct *frags, void **mac_hdr,
void **ip_hdr, void **tcpudp_hdr,
u64 *hdr_flags, void *priv)
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
*mac_hdr = page_address(frags->page) + frags->page_offset;
#else
*mac_hdr = page_address(skb_frag_page(frags)) + frags->page_offset;
#endif
*ip_hdr = *mac_hdr + ETH_HLEN;
*tcpudp_hdr = (struct tcphdr *)(*ip_hdr + sizeof(struct iphdr));
static int ramoops_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ramoops_platform_data *pdata = pdev->dev.platform_data;
struct ramoops_context *cxt = &oops_cxt;
size_t dump_mem_sz;
phys_addr_t paddr;
int err = -EINVAL;
if (cxt->max_dump_cnt)
goto fail_out;
if (!pdata->mem_size || (!pdata->record_size && !pdata->console_size &&
!pdata->ftrace_size)) {
pr_err("The memory size and the record/console size must be "
"non-zero\n");
goto fail_out;
}
if (!is_power_of_2(pdata->mem_size))
pdata->mem_size = rounddown_pow_of_two(pdata->mem_size);
if (!is_power_of_2(pdata->record_size))
pdata->record_size = rounddown_pow_of_two(pdata->record_size);
if (!is_power_of_2(pdata->console_size))
pdata->console_size = rounddown_pow_of_two(pdata->console_size);
if (!is_power_of_2(pdata->ftrace_size))
pdata->ftrace_size = rounddown_pow_of_two(pdata->ftrace_size);
cxt->dump_read_cnt = 0;
cxt->size = pdata->mem_size;
cxt->phys_addr = pdata->mem_address;
cxt->record_size = pdata->record_size;
cxt->console_size = pdata->console_size;
cxt->ftrace_size = pdata->ftrace_size;
cxt->dump_oops = pdata->dump_oops;
cxt->ecc_info = pdata->ecc_info;
paddr = cxt->phys_addr;
dump_mem_sz = cxt->size - cxt->console_size - cxt->ftrace_size;
err = ramoops_init_przs(dev, cxt, &paddr, dump_mem_sz);
if (err)
goto fail_out;
err = ramoops_init_prz(dev, cxt, &cxt->cprz, &paddr,
cxt->console_size, 0);
if (err)
goto fail_init_cprz;
err = ramoops_init_prz(dev, cxt, &cxt->fprz, &paddr, cxt->ftrace_size,
LINUX_VERSION_CODE);
if (err)
goto fail_init_fprz;
if (!cxt->przs && !cxt->cprz && !cxt->fprz) {
pr_err("memory size too small, minimum is %zu\n",
cxt->console_size + cxt->record_size +
cxt->ftrace_size);
err = -EINVAL;
goto fail_cnt;
}
cxt->pstore.data = cxt;
if (cxt->console_size)
cxt->pstore.bufsize = 1024;
cxt->pstore.bufsize = max(cxt->record_size, cxt->pstore.bufsize);
cxt->pstore.buf = kmalloc(cxt->pstore.bufsize, GFP_KERNEL);
spin_lock_init(&cxt->pstore.buf_lock);
if (!cxt->pstore.buf) {
pr_err("cannot allocate pstore buffer\n");
err = -ENOMEM;
goto fail_clear;
}
err = pstore_register(&cxt->pstore);
if (err) {
pr_err("registering with pstore failed\n");
goto fail_buf;
}
mem_size = pdata->mem_size;
mem_address = pdata->mem_address;
record_size = pdata->record_size;
dump_oops = pdata->dump_oops;
pr_info("attached 0x%lx@0x%llx, ecc: %d/%d\n",
cxt->size, (unsigned long long)cxt->phys_addr,
cxt->ecc_info.ecc_size, cxt->ecc_info.block_size);
#if defined(CONFIG_HTC_DEBUG_HBRAMLOG)
if (cxt->console_size)
bldr_log_init();
#endif
return 0;
fail_buf:
kfree(cxt->pstore.buf);
fail_clear:
cxt->pstore.bufsize = 0;
cxt->max_dump_cnt = 0;
fail_cnt:
kfree(cxt->fprz);
fail_init_fprz:
kfree(cxt->cprz);
fail_init_cprz:
ramoops_free_przs(cxt);
fail_out:
return err;
}
static int ramoops_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ramoops_platform_data *pdata = pdev->dev.platform_data;
struct ramoops_context *cxt = &oops_cxt;
size_t dump_mem_sz;
phys_addr_t paddr;
int err = -EINVAL;
/* Only a single ramoops area allowed at a time, so fail extra
* probes.
*/
if (cxt->max_dump_cnt)
goto fail_out;
if (!pdata->mem_size || (!pdata->record_size && !pdata->console_size &&
!pdata->ftrace_size)) {
pr_err("The memory size and the record/console size must be "
"non-zero\n");
goto fail_out;
}
#ifndef CONFIG_PSTORE_RAM_SIZE_UNCHECK
if (!is_power_of_2(pdata->mem_size))
pdata->mem_size = rounddown_pow_of_two(pdata->mem_size);
if (!is_power_of_2(pdata->record_size))
pdata->record_size = rounddown_pow_of_two(pdata->record_size);
if (!is_power_of_2(pdata->console_size))
pdata->console_size = rounddown_pow_of_two(pdata->console_size);
if (!is_power_of_2(pdata->ftrace_size))
pdata->ftrace_size = rounddown_pow_of_two(pdata->ftrace_size);
#endif
cxt->dump_read_cnt = 0;
cxt->size = pdata->mem_size;
cxt->phys_addr = pdata->mem_address;
cxt->record_size = pdata->record_size;
cxt->console_size = pdata->console_size;
cxt->ftrace_size = pdata->ftrace_size;
cxt->dump_oops = pdata->dump_oops;
cxt->ecc_info = pdata->ecc_info;
paddr = cxt->phys_addr;
dump_mem_sz = cxt->size - cxt->console_size - cxt->ftrace_size;
err = ramoops_init_przs(dev, cxt, &paddr, dump_mem_sz);
if (err)
goto fail_out;
err = ramoops_init_prz(dev, cxt, &cxt->cprz, &paddr,
cxt->console_size, 0);
if (err)
goto fail_init_cprz;
err = ramoops_init_prz(dev, cxt, &cxt->fprz, &paddr, cxt->ftrace_size,
LINUX_VERSION_CODE);
if (err)
goto fail_init_fprz;
if (!cxt->przs && !cxt->cprz && !cxt->fprz) {
pr_err("memory size too small, minimum is %zu\n",
cxt->console_size + cxt->record_size +
cxt->ftrace_size);
err = -EINVAL;
goto fail_cnt;
}
cxt->pstore.data = cxt;
/*
* Console can handle any buffer size, so prefer LOG_LINE_MAX. If we
* have to handle dumps, we must have at least record_size buffer. And
* for ftrace, bufsize is irrelevant (if bufsize is 0, buf will be
* ZERO_SIZE_PTR).
*/
if (cxt->console_size)
cxt->pstore.bufsize = 1024; /* LOG_LINE_MAX */
cxt->pstore.bufsize = max(cxt->record_size, cxt->pstore.bufsize);
cxt->pstore.buf = kmalloc(cxt->pstore.bufsize, GFP_KERNEL);
spin_lock_init(&cxt->pstore.buf_lock);
if (!cxt->pstore.buf) {
pr_err("cannot allocate pstore buffer\n");
err = -ENOMEM;
goto fail_clear;
}
err = pstore_register(&cxt->pstore);
if (err) {
pr_err("registering with pstore failed\n");
goto fail_buf;
}
/*
* Update the module parameter variables as well so they are visible
* through /sys/module/ramoops/parameters/
*/
mem_size = pdata->mem_size;
mem_address = pdata->mem_address;
record_size = pdata->record_size;
dump_oops = pdata->dump_oops;
pr_info("attached 0x%lx@0x%llx, ecc: %d/%d\n",
cxt->size, (unsigned long long)cxt->phys_addr,
cxt->ecc_info.ecc_size, cxt->ecc_info.block_size);
return 0;
fail_buf:
kfree(cxt->pstore.buf);
fail_clear:
cxt->pstore.bufsize = 0;
cxt->max_dump_cnt = 0;
fail_cnt:
kfree(cxt->fprz);
fail_init_fprz:
kfree(cxt->cprz);
fail_init_cprz:
ramoops_free_przs(cxt);
fail_out:
return err;
}
