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freebsd-dev/sys/dev/nxge/xgehal/xgehal-ring.c
Robert Watson 3be4cb0b4a Merge Neterion if_nxge driver version 2.0.9.11230 with the following 
changes:

  01 -  Enhanced LRO:
  LRO feature is extended to support multi-buffer mode. Previously,
  Ethernet frames received in contiguous buffers were offloaded.
  Now, frames received in multiple non-contiguous buffers can be
  offloaded, as well. The driver now supports LRO for jumbo frames.

  02 - Locks Optimization:
  The driver code was re-organized to limit the use of locks.
  Moreover, lock contention was reduced by replacing wait locks
  with try locks.

  03 - Code Optimization:
  The driver code was re-factored  to eliminate some memcpy
  operations.  Fast path loops were optimized.

  04 - Tag Creations:
  Physical Buffer Tags are now optimized based upon frame size.
  For better performance, Physical Memory Maps are now re-used.

  05 - Configuration:
  Features such as TSO, LRO, and Interrupt Mode can be configured
  either at load or at run time. Rx buffer mode (mode 1 or mode 2)
  can be configured at load time through kenv.

  06 - Driver Statistics:
  Run time statistics are enhanced to provide better visibility
  into the driver performance.

  07 - Bug Fixes:
  The driver contains fixes for the problems discovered and
  reported since last submission.

  08 - MSI support:
  Added Message Signaled Interrupt feature which currently uses 1
  message.

  09  Removed feature:
  Rx 3 buffer mode feature has been removed. Driver now supports 1,
  2 and 5 buffer modes of which 2 and 5 buffer modes can be used
  for header separation.

  10  Compiler warning:
  Fixed compiler warning when compiled for 32 bit system.

  11 Copyright notice:
  Source files are updated with the proper copyright notice.

MFC after:	3 days
Submitted by:	Alicia Pena <Alicia dot Pena at neterion dot com>,
		Muhammad Shafiq <Muhammad dot Shafiq at neterion dot com>
2007-10-29 14:19:32 +00:00

662 lines
22 KiB
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/*-
* Copyright (c) 2002-2007 Neterion, 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <dev/nxge/include/xgehal-ring.h>
#include <dev/nxge/include/xgehal-device.h>
#if defined(XGE_OS_DMA_REQUIRES_SYNC) && defined(XGE_HAL_DMA_DTR_STREAMING)
static ptrdiff_t
__hal_ring_item_dma_offset(xge_hal_mempool_h mempoolh,
void *item)
{
int memblock_idx;
void *memblock;
/* get owner memblock index */
memblock_idx = __hal_ring_block_memblock_idx(item);
/* get owner memblock by memblock index */
memblock = __hal_mempool_memblock(mempoolh, memblock_idx);
return (char*)item - (char*)memblock;
}
#endif
static dma_addr_t
__hal_ring_item_dma_addr(xge_hal_mempool_h mempoolh, void *item,
pci_dma_h *dma_handle)
{
int memblock_idx;
void *memblock;
xge_hal_mempool_dma_t *memblock_dma_object;
ptrdiff_t dma_item_offset;
/* get owner memblock index */
memblock_idx = __hal_ring_block_memblock_idx((xge_hal_ring_block_t *) item);
/* get owner memblock by memblock index */
memblock = __hal_mempool_memblock((xge_hal_mempool_t *) mempoolh,
memblock_idx);
/* get memblock DMA object by memblock index */
memblock_dma_object =
__hal_mempool_memblock_dma((xge_hal_mempool_t *) mempoolh,
memblock_idx);
/* calculate offset in the memblock of this item */
dma_item_offset = (char*)item - (char*)memblock;
*dma_handle = memblock_dma_object->handle;
return memblock_dma_object->addr + dma_item_offset;
}
static void
__hal_ring_rxdblock_link(xge_hal_mempool_h mempoolh,
xge_hal_ring_t *ring, int from, int to)
{
xge_hal_ring_block_t *to_item, *from_item;
dma_addr_t to_dma, from_dma;
pci_dma_h to_dma_handle, from_dma_handle;
/* get "from" RxD block */
from_item = (xge_hal_ring_block_t *)
__hal_mempool_item((xge_hal_mempool_t *) mempoolh, from);
xge_assert(from_item);
/* get "to" RxD block */
to_item = (xge_hal_ring_block_t *)
__hal_mempool_item((xge_hal_mempool_t *) mempoolh, to);
xge_assert(to_item);
/* return address of the beginning of previous RxD block */
to_dma = __hal_ring_item_dma_addr(mempoolh, to_item, &to_dma_handle);
/* set next pointer for this RxD block to point on
* previous item's DMA start address */
__hal_ring_block_next_pointer_set(from_item, to_dma);
/* return "from" RxD block's DMA start address */
from_dma =
__hal_ring_item_dma_addr(mempoolh, from_item, &from_dma_handle);
#if defined(XGE_OS_DMA_REQUIRES_SYNC) && defined(XGE_HAL_DMA_DTR_STREAMING)
/* we must sync "from" RxD block, so hardware will see it */
xge_os_dma_sync(ring->channel.pdev,
from_dma_handle,
from_dma + XGE_HAL_RING_NEXT_BLOCK_POINTER_OFFSET,
__hal_ring_item_dma_offset(mempoolh, from_item) +
XGE_HAL_RING_NEXT_BLOCK_POINTER_OFFSET,
sizeof(u64),
XGE_OS_DMA_DIR_TODEVICE);
#endif
xge_debug_ring(XGE_TRACE, "block%d:0x"XGE_OS_LLXFMT" => block%d:0x"XGE_OS_LLXFMT,
from, (unsigned long long)from_dma, to,
(unsigned long long)to_dma);
}
static xge_hal_status_e
__hal_ring_mempool_item_alloc(xge_hal_mempool_h mempoolh,
void *memblock,
int memblock_index,
xge_hal_mempool_dma_t *dma_object,
void *item,
int index,
int is_last,
void *userdata)
{
int i;
xge_hal_ring_t *ring = (xge_hal_ring_t *)userdata;
xge_assert(item);
xge_assert(ring);
/* format rxds array */
for (i=ring->rxds_per_block-1; i>=0; i--) {
void *rxdblock_priv;
xge_hal_ring_rxd_priv_t *rxd_priv;
xge_hal_ring_rxd_1_t *rxdp;
int reserve_index = index * ring->rxds_per_block + i;
int memblock_item_idx;
ring->reserved_rxds_arr[reserve_index] = (char *)item +
(ring->rxds_per_block - 1 - i) * ring->rxd_size;
/* Note: memblock_item_idx is index of the item within
* the memblock. For instance, in case of three RxD-blocks
* per memblock this value can be 0,1 or 2. */
rxdblock_priv =
__hal_mempool_item_priv((xge_hal_mempool_t *) mempoolh,
memblock_index, item,
&memblock_item_idx);
rxdp = (xge_hal_ring_rxd_1_t *)
ring->reserved_rxds_arr[reserve_index];
rxd_priv = (xge_hal_ring_rxd_priv_t *) (void *)
((char*)rxdblock_priv + ring->rxd_priv_size * i);
/* pre-format per-RxD Ring's private */
rxd_priv->dma_offset = (char*)rxdp - (char*)memblock;
rxd_priv->dma_addr = dma_object->addr + rxd_priv->dma_offset;
rxd_priv->dma_handle = dma_object->handle;
#ifdef XGE_DEBUG_ASSERT
rxd_priv->dma_object = dma_object;
#endif
/* pre-format Host_Control */
#if defined(XGE_HAL_USE_5B_MODE)
if (ring->buffer_mode == XGE_HAL_RING_QUEUE_BUFFER_MODE_5) {
xge_hal_ring_rxd_5_t *rxdp_5 = (xge_hal_ring_rxd_5_t *)rxdp;
#if defined(XGE_OS_PLATFORM_64BIT)
xge_assert(memblock_index <= 0xFFFF);
xge_assert(i <= 0xFFFF);
/* store memblock's index */
rxdp_5->host_control = (u32)memblock_index << 16;
/* store index of memblock's private */
rxdp_5->host_control |= (u32)(memblock_item_idx *
ring->rxds_per_block + i);
#else
/* 32-bit case */
rxdp_5->host_control = (u32)rxd_priv;
#endif
} else {
/* 1b and 3b modes */
rxdp->host_control = (u64)(ulong_t)rxd_priv;
}
#else
/* 1b and 3b modes */
rxdp->host_control = (u64)(ulong_t)rxd_priv;
#endif
}
__hal_ring_block_memblock_idx_set((xge_hal_ring_block_t *) item, memblock_index);
if (is_last) {
/* link last one with first one */
__hal_ring_rxdblock_link(mempoolh, ring, 0, index);
}
if (index > 0 ) {
/* link this RxD block with previous one */
__hal_ring_rxdblock_link(mempoolh, ring, index, index-1);
}
return XGE_HAL_OK;
}
xge_hal_status_e
__hal_ring_initial_replenish(xge_hal_channel_t *channel,
xge_hal_channel_reopen_e reopen)
{
xge_hal_dtr_h dtr = NULL;
while (xge_hal_channel_dtr_count(channel) > 0) {
xge_hal_status_e status;
status = xge_hal_ring_dtr_reserve(channel, &dtr);
xge_assert(status == XGE_HAL_OK);
if (channel->dtr_init) {
status = channel->dtr_init(channel,
dtr, channel->reserve_length,
channel->userdata,
reopen);
if (status != XGE_HAL_OK) {
xge_hal_ring_dtr_free(channel, dtr);
xge_hal_channel_abort(channel,
XGE_HAL_CHANNEL_OC_NORMAL);
return status;
}
}
xge_hal_ring_dtr_post(channel, dtr);
}
return XGE_HAL_OK;
}
xge_hal_status_e
__hal_ring_open(xge_hal_channel_h channelh, xge_hal_channel_attr_t *attr)
{
xge_hal_status_e status;
xge_hal_device_t *hldev;
xge_hal_ring_t *ring = (xge_hal_ring_t *)channelh;
xge_hal_ring_queue_t *queue;
/* Note: at this point we have channel.devh and channel.pdev
* pre-set only! */
hldev = (xge_hal_device_t *)ring->channel.devh;
ring->config = &hldev->config.ring;
queue = &ring->config->queue[attr->post_qid];
ring->indicate_max_pkts = queue->indicate_max_pkts;
ring->buffer_mode = queue->buffer_mode;
xge_assert(queue->configured);
#if defined(XGE_HAL_RX_MULTI_RESERVE)
xge_os_spin_lock_init(&ring->channel.reserve_lock, hldev->pdev);
#elif defined(XGE_HAL_RX_MULTI_RESERVE_IRQ)
xge_os_spin_lock_init_irq(&ring->channel.reserve_lock, hldev->irqh);
#endif
#if defined(XGE_HAL_RX_MULTI_POST)
xge_os_spin_lock_init(&ring->channel.post_lock, hldev->pdev);
#elif defined(XGE_HAL_RX_MULTI_POST_IRQ)
xge_os_spin_lock_init_irq(&ring->channel.post_lock, hldev->irqh);
#endif
ring->rxd_size = XGE_HAL_RING_RXD_SIZEOF(queue->buffer_mode);
ring->rxd_priv_size =
sizeof(xge_hal_ring_rxd_priv_t) + attr->per_dtr_space;
/* how many RxDs can fit into one block. Depends on configured
* buffer_mode. */
ring->rxds_per_block = XGE_HAL_RING_RXDS_PER_BLOCK(queue->buffer_mode);
/* calculate actual RxD block private size */
ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block;
ring->reserved_rxds_arr = (void **) xge_os_malloc(ring->channel.pdev,
sizeof(void*) * queue->max * ring->rxds_per_block);
if (ring->reserved_rxds_arr == NULL) {
__hal_ring_close(channelh);
return XGE_HAL_ERR_OUT_OF_MEMORY;
}
ring->mempool = __hal_mempool_create(
hldev->pdev,
ring->config->memblock_size,
XGE_HAL_RING_RXDBLOCK_SIZE,
ring->rxdblock_priv_size,
queue->initial, queue->max,
__hal_ring_mempool_item_alloc,
NULL, /* nothing to free */
ring);
if (ring->mempool == NULL) {
__hal_ring_close(channelh);
return XGE_HAL_ERR_OUT_OF_MEMORY;
}
status = __hal_channel_initialize(channelh,
attr,
ring->reserved_rxds_arr,
queue->initial * ring->rxds_per_block,
queue->max * ring->rxds_per_block,
0 /* no threshold for ring! */);
if (status != XGE_HAL_OK) {
__hal_ring_close(channelh);
return status;
}
/* sanity check that everything formatted ok */
xge_assert(ring->reserved_rxds_arr[0] ==
(char *)ring->mempool->items_arr[0] +
(ring->rxds_per_block * ring->rxd_size - ring->rxd_size));
/* Note:
* Specifying dtr_init callback means two things:
* 1) dtrs need to be initialized by ULD at channel-open time;
* 2) dtrs need to be posted at channel-open time
* (that's what the initial_replenish() below does)
* Currently we don't have a case when the 1) is done without the 2).
*/
if (ring->channel.dtr_init) {
if ((status = __hal_ring_initial_replenish (
(xge_hal_channel_t *) channelh,
XGE_HAL_CHANNEL_OC_NORMAL) )
!= XGE_HAL_OK) {
__hal_ring_close(channelh);
return status;
}
}
/* initial replenish will increment the counter in its post() routine,
* we have to reset it */
ring->channel.usage_cnt = 0;
return XGE_HAL_OK;
}
void
__hal_ring_close(xge_hal_channel_h channelh)
{
xge_hal_ring_t *ring = (xge_hal_ring_t *)channelh;
xge_hal_ring_queue_t *queue;
#if defined(XGE_HAL_RX_MULTI_RESERVE)||defined(XGE_HAL_RX_MULTI_RESERVE_IRQ)||\
defined(XGE_HAL_RX_MULTI_POST) || defined(XGE_HAL_RX_MULTI_POST_IRQ)
xge_hal_device_t *hldev = (xge_hal_device_t *)ring->channel.devh;
#endif
xge_assert(ring->channel.pdev);
queue = &ring->config->queue[ring->channel.post_qid];
if (ring->mempool) {
__hal_mempool_destroy(ring->mempool);
}
if (ring->reserved_rxds_arr) {
xge_os_free(ring->channel.pdev,
ring->reserved_rxds_arr,
sizeof(void*) * queue->max * ring->rxds_per_block);
}
__hal_channel_terminate(channelh);
#if defined(XGE_HAL_RX_MULTI_RESERVE)
xge_os_spin_lock_destroy(&ring->channel.reserve_lock, hldev->pdev);
#elif defined(XGE_HAL_RX_MULTI_RESERVE_IRQ)
xge_os_spin_lock_destroy_irq(&ring->channel.reserve_lock, hldev->pdev);
#endif
#if defined(XGE_HAL_RX_MULTI_POST)
xge_os_spin_lock_destroy(&ring->channel.post_lock, hldev->pdev);
#elif defined(XGE_HAL_RX_MULTI_POST_IRQ)
xge_os_spin_lock_destroy_irq(&ring->channel.post_lock, hldev->pdev);
#endif
}
void
__hal_ring_prc_enable(xge_hal_channel_h channelh)
{
xge_hal_ring_t *ring = (xge_hal_ring_t *)channelh;
xge_hal_device_t *hldev = (xge_hal_device_t *)ring->channel.devh;
xge_hal_pci_bar0_t *bar0;
u64 val64;
void *first_block;
int block_num;
xge_hal_ring_queue_t *queue;
pci_dma_h dma_handle;
xge_assert(ring);
xge_assert(ring->channel.pdev);
bar0 = (xge_hal_pci_bar0_t *) (void *)
((xge_hal_device_t *)ring->channel.devh)->bar0;
queue = &ring->config->queue[ring->channel.post_qid];
xge_assert(queue->buffer_mode == 1 ||
queue->buffer_mode == 3 ||
queue->buffer_mode == 5);
/* last block in fact becomes first. This is just the way it
* is filled up and linked by item_alloc() */
block_num = queue->initial;
first_block = __hal_mempool_item(ring->mempool, block_num - 1);
val64 = __hal_ring_item_dma_addr(ring->mempool,
first_block, &dma_handle);
xge_os_pio_mem_write64(ring->channel.pdev, ring->channel.regh0,
val64, &bar0->prc_rxd0_n[ring->channel.post_qid]);
xge_debug_ring(XGE_TRACE, "ring%d PRC DMA addr 0x"XGE_OS_LLXFMT" initialized",
ring->channel.post_qid, (unsigned long long)val64);
val64 = xge_os_pio_mem_read64(ring->channel.pdev,
ring->channel.regh0, &bar0->prc_ctrl_n[ring->channel.post_qid]);
if (xge_hal_device_check_id(hldev) == XGE_HAL_CARD_HERC &&
!queue->rth_en) {
val64 |= XGE_HAL_PRC_CTRL_RTH_DISABLE;
}
val64 |= XGE_HAL_PRC_CTRL_RC_ENABLED;
val64 |= vBIT((queue->buffer_mode >> 1),14,2);/* 1,3 or 5 => 0,1 or 2 */
val64 &= ~XGE_HAL_PRC_CTRL_RXD_BACKOFF_INTERVAL(0xFFFFFF);
val64 |= XGE_HAL_PRC_CTRL_RXD_BACKOFF_INTERVAL(
(hldev->config.pci_freq_mherz * queue->backoff_interval_us));
/* Beware: no snoop by the bridge if (no_snoop_bits) */
val64 |= XGE_HAL_PRC_CTRL_NO_SNOOP(queue->no_snoop_bits);
/* Herc: always use group_reads */
if (xge_hal_device_check_id(hldev) == XGE_HAL_CARD_HERC)
val64 |= XGE_HAL_PRC_CTRL_GROUP_READS;
if (hldev->config.bimodal_interrupts)
if (xge_hal_device_check_id(hldev) == XGE_HAL_CARD_HERC)
val64 |= XGE_HAL_PRC_CTRL_BIMODAL_INTERRUPT;
xge_os_pio_mem_write64(ring->channel.pdev, ring->channel.regh0,
val64, &bar0->prc_ctrl_n[ring->channel.post_qid]);
/* Configure Receive Protocol Assist */
val64 = xge_os_pio_mem_read64(ring->channel.pdev,
ring->channel.regh0, &bar0->rx_pa_cfg);
val64 |= XGE_HAL_RX_PA_CFG_SCATTER_MODE(ring->config->scatter_mode);
val64 |= (XGE_HAL_RX_PA_CFG_IGNORE_SNAP_OUI | XGE_HAL_RX_PA_CFG_IGNORE_LLC_CTRL);
/* Clean STRIP_VLAN_TAG bit and set as config from upper layer */
val64 &= ~XGE_HAL_RX_PA_CFG_STRIP_VLAN_TAG_MODE(1);
val64 |= XGE_HAL_RX_PA_CFG_STRIP_VLAN_TAG_MODE(ring->config->strip_vlan_tag);
xge_os_pio_mem_write64(ring->channel.pdev, ring->channel.regh0,
val64, &bar0->rx_pa_cfg);
xge_debug_ring(XGE_TRACE, "ring%d enabled in buffer_mode %d",
ring->channel.post_qid, queue->buffer_mode);
}
void
__hal_ring_prc_disable(xge_hal_channel_h channelh)
{
xge_hal_ring_t *ring = (xge_hal_ring_t *)channelh;
xge_hal_pci_bar0_t *bar0;
u64 val64;
xge_assert(ring);
xge_assert(ring->channel.pdev);
bar0 = (xge_hal_pci_bar0_t *) (void *)
((xge_hal_device_t *)ring->channel.devh)->bar0;
val64 = xge_os_pio_mem_read64(ring->channel.pdev,
ring->channel.regh0,
&bar0->prc_ctrl_n[ring->channel.post_qid]);
val64 &= ~((u64) XGE_HAL_PRC_CTRL_RC_ENABLED);
xge_os_pio_mem_write64(ring->channel.pdev, ring->channel.regh0,
val64, &bar0->prc_ctrl_n[ring->channel.post_qid]);
}
void
__hal_ring_hw_initialize(xge_hal_device_h devh)
{
xge_hal_device_t *hldev = (xge_hal_device_t *)devh;
xge_hal_pci_bar0_t *bar0 = (xge_hal_pci_bar0_t *)(void *)hldev->bar0;
u64 val64;
int i, j;
/* Rx DMA intialization. */
val64 = 0;
for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
if (!hldev->config.ring.queue[i].configured)
continue;
val64 |= vBIT(hldev->config.ring.queue[i].priority,
(5 + (i * 8)), 3);
}
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
&bar0->rx_queue_priority);
xge_debug_ring(XGE_TRACE, "Rings priority configured to 0x"XGE_OS_LLXFMT,
(unsigned long long)val64);
/* Configuring ring queues according to per-ring configuration */
val64 = 0;
for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
if (!hldev->config.ring.queue[i].configured)
continue;
val64 |= vBIT(hldev->config.ring.queue[i].dram_size_mb,(i*8),8);
}
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
&bar0->rx_queue_cfg);
xge_debug_ring(XGE_TRACE, "DRAM configured to 0x"XGE_OS_LLXFMT,
(unsigned long long)val64);
if (!hldev->config.rts_qos_en &&
!hldev->config.rts_port_en &&
!hldev->config.rts_mac_en) {
/*
* Activate default (QoS-based) Rx steering
*/
val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
&bar0->rts_qos_steering);
for (j = 0; j < 8 /* QoS max */; j++)
{
for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++)
{
if (!hldev->config.ring.queue[i].configured)
continue;
if (!hldev->config.ring.queue[i].rth_en)
val64 |= (BIT(i) >> (j*8));
}
}
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
&bar0->rts_qos_steering);
xge_debug_ring(XGE_TRACE, "QoS steering configured to 0x"XGE_OS_LLXFMT,
(unsigned long long)val64);
}
/* Note: If a queue does not exist, it should be assigned a maximum
* length of zero. Otherwise, packet loss could occur.
* P. 4-4 User guide.
*
* All configured rings will be properly set at device open time
* by utilizing device_mtu_set() API call. */
for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
if (hldev->config.ring.queue[i].configured)
continue;
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, 0ULL,
&bar0->rts_frm_len_n[i]);
}
#ifdef XGE_HAL_HERC_EMULATION
val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
((u8 *)bar0 + 0x2e60)); /* mc_rldram_mrs_herc */
val64 |= 0x0000000000010000;
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
((u8 *)bar0 + 0x2e60));
val64 |= 0x003a000000000000;
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
((u8 *)bar0 + 0x2e40)); /* mc_rldram_ref_herc */
xge_os_mdelay(2000);
#endif
/* now enabling MC-RLDRAM after setting MC_QUEUE sizes */
val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
&bar0->mc_rldram_mrs);
val64 |= XGE_HAL_MC_RLDRAM_QUEUE_SIZE_ENABLE |
XGE_HAL_MC_RLDRAM_MRS_ENABLE;
__hal_pio_mem_write32_upper(hldev->pdev, hldev->regh0, (u32)(val64>>32),
&bar0->mc_rldram_mrs);
xge_os_wmb();
__hal_pio_mem_write32_lower(hldev->pdev, hldev->regh0, (u32)val64,
&bar0->mc_rldram_mrs);
/* RLDRAM initialization procedure require 500us to complete */
xge_os_mdelay(1);
/* Temporary fixes for Herc RLDRAM */
if (xge_hal_device_check_id(hldev) == XGE_HAL_CARD_HERC) {
val64 = XGE_HAL_MC_RLDRAM_SET_REF_PERIOD(0x0279);
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
&bar0->mc_rldram_ref_per_herc);
val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
&bar0->mc_rldram_mrs_herc);
xge_debug_ring(XGE_TRACE, "default mc_rldram_mrs_herc 0x"XGE_OS_LLXFMT,
(unsigned long long)val64);
val64 = 0x0003570003010300ULL;
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
&bar0->mc_rldram_mrs_herc);
xge_os_mdelay(1);
}
/*
* Assign MSI-X vectors
*/
for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
xge_list_t *item;
xge_hal_channel_t *channel = NULL;
if (!hldev->config.ring.queue[i].configured ||
!hldev->config.ring.queue[i].intr_vector ||
!hldev->config.intr_mode != XGE_HAL_INTR_MODE_MSIX)
continue;
/* find channel */
xge_list_for_each(item, &hldev->free_channels) {
xge_hal_channel_t *tmp;
tmp = xge_container_of(item, xge_hal_channel_t,
item);
if (tmp->type == XGE_HAL_CHANNEL_TYPE_RING &&
tmp->post_qid == i) {
channel = tmp;
break;
}
}
if (channel) {
xge_hal_channel_msix_set(channel,
hldev->config.ring.queue[i].intr_vector);
}
}
xge_debug_ring(XGE_TRACE, "%s", "ring channels initialized");
}
void
__hal_ring_mtu_set(xge_hal_device_h devh, int new_frmlen)
{
int i;
xge_hal_device_t *hldev = (xge_hal_device_t *)devh;
xge_hal_pci_bar0_t *bar0 = (xge_hal_pci_bar0_t *)(void *)hldev->bar0;
for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
if (!hldev->config.ring.queue[i].configured)
continue;
if (hldev->config.ring.queue[i].max_frm_len !=
XGE_HAL_RING_USE_MTU) {
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0,
XGE_HAL_MAC_RTS_FRM_LEN_SET(
hldev->config.ring.queue[i].max_frm_len),
&bar0->rts_frm_len_n[i]);
} else {
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0,
XGE_HAL_MAC_RTS_FRM_LEN_SET(new_frmlen),
&bar0->rts_frm_len_n[i]);
}
}
xge_os_pio_mem_write64(hldev->pdev, hldev->regh0,
XGE_HAL_RMAC_MAX_PYLD_LEN(new_frmlen),
&bar0->rmac_max_pyld_len);
}
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