aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/vxge/vxge-config.c
diff options
context:
space:
mode:
authorJon Mason <jon.mason@exar.com>2010-12-10 14:02:56 +0000
committerDavid S. Miller <davem@davemloft.net>2010-12-10 16:08:21 -0800
commit528f727279ae840db8a06c94f5e82cdaeb00da6f (patch)
treeab2cd139152c9bc7809298d046b77783472f5c3d /drivers/net/vxge/vxge-config.c
parentdeef4b522b814593407cfd56216840c2b75e9f15 (diff)
vxge: code cleanup and reorganization
Move function locations to remove the need for internal declarations and other misc clean-ups. Signed-off-by: Jon Mason <jon.mason@exar.com> Signed-off-by: Arpit Patel <arpit.patel@exar.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vxge/vxge-config.c')
-rw-r--r--drivers/net/vxge/vxge-config.c2481
1 files changed, 1178 insertions, 1303 deletions
diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
index a0241fe72d8..1169aa387ca 100644
--- a/drivers/net/vxge/vxge-config.c
+++ b/drivers/net/vxge/vxge-config.c
@@ -21,100 +21,15 @@
#include "vxge-config.h"
#include "vxge-main.h"
-static enum vxge_hw_status
-__vxge_hw_fifo_delete(
- struct __vxge_hw_vpath_handle *vpath_handle);
-
-static struct __vxge_hw_blockpool_entry *
-__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *hldev,
- u32 size);
-
-static void
-__vxge_hw_blockpool_block_free(struct __vxge_hw_device *hldev,
- struct __vxge_hw_blockpool_entry *entry);
-
-static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh,
- void *block_addr,
- u32 length,
- struct pci_dev *dma_h,
- struct pci_dev *acc_handle);
-
-static enum vxge_hw_status
-__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev,
- struct __vxge_hw_blockpool *blockpool,
- u32 pool_size,
- u32 pool_max);
-
-static void
-__vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool);
-
-static void *
-__vxge_hw_blockpool_malloc(struct __vxge_hw_device *hldev,
- u32 size,
- struct vxge_hw_mempool_dma *dma_object);
-
-static void
-__vxge_hw_blockpool_free(struct __vxge_hw_device *hldev,
- void *memblock,
- u32 size,
- struct vxge_hw_mempool_dma *dma_object);
-
-static void
-__vxge_hw_channel_free(
- struct __vxge_hw_channel *channel);
-
-static enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp);
-
-static enum vxge_hw_status
-__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config);
-
-static enum vxge_hw_status
-__vxge_hw_device_register_poll(
- void __iomem *reg,
- u64 mask, u32 max_millis);
-
-static inline enum vxge_hw_status
-__vxge_hw_pio_mem_write64(u64 val64, void __iomem *addr,
- u64 mask, u32 max_millis)
-{
- __vxge_hw_pio_mem_write32_lower((u32)vxge_bVALn(val64, 32, 32), addr);
- wmb();
-
- __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), addr);
- wmb();
-
- return __vxge_hw_device_register_poll(addr, mask, max_millis);
+#define VXGE_HW_VPATH_STATS_PIO_READ(offset) { \
+ status = __vxge_hw_vpath_stats_access(vpath, \
+ VXGE_HW_STATS_OP_READ, \
+ offset, \
+ &val64); \
+ if (status != VXGE_HW_OK) \
+ return status; \
}
-static struct vxge_hw_mempool*
-__vxge_hw_mempool_create(struct __vxge_hw_device *devh, u32 memblock_size,
- u32 item_size, u32 private_size, u32 items_initial,
- u32 items_max, struct vxge_hw_mempool_cbs *mp_callback,
- void *userdata);
-
-static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool);
-
-static enum vxge_hw_status
-__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_vpath_stats_hw_info *hw_stats);
-
-static enum vxge_hw_status
-vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vpath_handle);
-
-static enum vxge_hw_status
-__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg);
-
-static void
-__vxge_hw_vp_terminate(struct __vxge_hw_device *devh, u32 vp_id);
-
-static enum vxge_hw_status
-__vxge_hw_vpath_xmac_tx_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats);
-
-static enum vxge_hw_status
-__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats);
-
static void
vxge_hw_vpath_set_zero_rx_frm_len(struct vxge_hw_vpath_reg __iomem *vp_reg)
{
@@ -124,8 +39,6 @@ vxge_hw_vpath_set_zero_rx_frm_len(struct vxge_hw_vpath_reg __iomem *vp_reg)
val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff);
writeq(val64, &vp_reg->rxmac_vcfg0);
val64 = readq(&vp_reg->rxmac_vcfg0);
-
- return;
}
/*
@@ -197,6 +110,50 @@ void vxge_hw_device_wait_receive_idle(struct __vxge_hw_device *hldev)
}
}
+/*
+ * __vxge_hw_device_register_poll
+ * Will poll certain register for specified amount of time.
+ * Will poll until masked bit is not cleared.
+ */
+static enum vxge_hw_status
+__vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis)
+{
+ u64 val64;
+ u32 i = 0;
+ enum vxge_hw_status ret = VXGE_HW_FAIL;
+
+ udelay(10);
+
+ do {
+ val64 = readq(reg);
+ if (!(val64 & mask))
+ return VXGE_HW_OK;
+ udelay(100);
+ } while (++i <= 9);
+
+ i = 0;
+ do {
+ val64 = readq(reg);
+ if (!(val64 & mask))
+ return VXGE_HW_OK;
+ mdelay(1);
+ } while (++i <= max_millis);
+
+ return ret;
+}
+
+static inline enum vxge_hw_status
+__vxge_hw_pio_mem_write64(u64 val64, void __iomem *addr,
+ u64 mask, u32 max_millis)
+{
+ __vxge_hw_pio_mem_write32_lower((u32)vxge_bVALn(val64, 32, 32), addr);
+ wmb();
+ __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), addr);
+ wmb();
+
+ return __vxge_hw_device_register_poll(addr, mask, max_millis);
+}
+
static enum vxge_hw_status
vxge_hw_vpath_fw_api(struct __vxge_hw_virtualpath *vpath, u32 action,
u32 fw_memo, u32 offset, u64 *data0, u64 *data1,
@@ -446,77 +403,6 @@ vxge_hw_vpath_eprom_img_ver_get(struct __vxge_hw_device *hldev,
}
/*
- * __vxge_hw_channel_allocate - Allocate memory for channel
- * This function allocates required memory for the channel and various arrays
- * in the channel
- */
-static struct __vxge_hw_channel *
-__vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph,
- enum __vxge_hw_channel_type type,
- u32 length, u32 per_dtr_space, void *userdata)
-{
- struct __vxge_hw_channel *channel;
- struct __vxge_hw_device *hldev;
- int size = 0;
- u32 vp_id;
-
- hldev = vph->vpath->hldev;
- vp_id = vph->vpath->vp_id;
-
- switch (type) {
- case VXGE_HW_CHANNEL_TYPE_FIFO:
- size = sizeof(struct __vxge_hw_fifo);
- break;
- case VXGE_HW_CHANNEL_TYPE_RING:
- size = sizeof(struct __vxge_hw_ring);
- break;
- default:
- break;
- }
-
- channel = kzalloc(size, GFP_KERNEL);
- if (channel == NULL)
- goto exit0;
- INIT_LIST_HEAD(&channel->item);
-
- channel->common_reg = hldev->common_reg;
- channel->first_vp_id = hldev->first_vp_id;
- channel->type = type;
- channel->devh = hldev;
- channel->vph = vph;
- channel->userdata = userdata;
- channel->per_dtr_space = per_dtr_space;
- channel->length = length;
- channel->vp_id = vp_id;
-
- channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
- if (channel->work_arr == NULL)
- goto exit1;
-
- channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
- if (channel->free_arr == NULL)
- goto exit1;
- channel->free_ptr = length;
-
- channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
- if (channel->reserve_arr == NULL)
- goto exit1;
- channel->reserve_ptr = length;
- channel->reserve_top = 0;
-
- channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
- if (channel->orig_arr == NULL)
- goto exit1;
-
- return channel;
-exit1:
- __vxge_hw_channel_free(channel);
-
-exit0:
- return NULL;
-}
-
-/*
* __vxge_hw_channel_free - Free memory allocated for channel
* This function deallocates memory from the channel and various arrays
* in the channel
@@ -609,38 +495,6 @@ static void __vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev)
pci_save_state(hldev->pdev);
}
-/*
- * __vxge_hw_device_register_poll
- * Will poll certain register for specified amount of time.
- * Will poll until masked bit is not cleared.
- */
-static enum vxge_hw_status
-__vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis)
-{
- u64 val64;
- u32 i = 0;
- enum vxge_hw_status ret = VXGE_HW_FAIL;
-
- udelay(10);
-
- do {
- val64 = readq(reg);
- if (!(val64 & mask))
- return VXGE_HW_OK;
- udelay(100);
- } while (++i <= 9);
-
- i = 0;
- do {
- val64 = readq(reg);
- if (!(val64 & mask))
- return VXGE_HW_OK;
- mdelay(1);
- } while (++i <= max_millis);
-
- return ret;
-}
-
/* __vxge_hw_device_vpath_reset_in_prog_check - Check if vpath reset
* in progress
* This routine checks the vpath reset in progress register is turned zero
@@ -656,6 +510,60 @@ __vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog)
}
/*
+ * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion.
+ * Set the swapper bits appropriately for the lagacy section.
+ */
+static enum vxge_hw_status
+__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg)
+{
+ u64 val64;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ val64 = readq(&legacy_reg->toc_swapper_fb);
+
+ wmb();
+
+ switch (val64) {
+ case VXGE_HW_SWAPPER_INITIAL_VALUE:
+ return status;
+
+ case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED:
+ writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
+ &legacy_reg->pifm_rd_swap_en);
+ writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
+ &legacy_reg->pifm_rd_flip_en);
+ writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
+ &legacy_reg->pifm_wr_swap_en);
+ writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
+ &legacy_reg->pifm_wr_flip_en);
+ break;
+
+ case VXGE_HW_SWAPPER_BYTE_SWAPPED:
+ writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
+ &legacy_reg->pifm_rd_swap_en);
+ writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
+ &legacy_reg->pifm_wr_swap_en);
+ break;
+
+ case VXGE_HW_SWAPPER_BIT_FLIPPED:
+ writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
+ &legacy_reg->pifm_rd_flip_en);
+ writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
+ &legacy_reg->pifm_wr_flip_en);
+ break;
+ }
+
+ wmb();
+
+ val64 = readq(&legacy_reg->toc_swapper_fb);
+
+ if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE)
+ status = VXGE_HW_ERR_SWAPPER_CTRL;
+
+ return status;
+}
+
+/*
* __vxge_hw_device_toc_get
* This routine sets the swapper and reads the toc pointer and returns the
* memory mapped address of the toc
@@ -1132,7 +1040,6 @@ vxge_hw_device_hw_info_get(void __iomem *bar0,
(u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64);
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
if (!((hw_info->vpath_mask) & vxge_mBIT(i)))
continue;
@@ -1196,6 +1103,218 @@ exit:
}
/*
+ * __vxge_hw_blockpool_destroy - Deallocates the block pool
+ */
+static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool)
+{
+ struct __vxge_hw_device *hldev;
+ struct list_head *p, *n;
+ u16 ret;
+
+ if (blockpool == NULL) {
+ ret = 1;
+ goto exit;
+ }
+
+ hldev = blockpool->hldev;
+
+ list_for_each_safe(p, n, &blockpool->free_block_list) {
+ pci_unmap_single(hldev->pdev,
+ ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
+ ((struct __vxge_hw_blockpool_entry *)p)->length,
+ PCI_DMA_BIDIRECTIONAL);
+
+ vxge_os_dma_free(hldev->pdev,
+ ((struct __vxge_hw_blockpool_entry *)p)->memblock,
+ &((struct __vxge_hw_blockpool_entry *)p)->acc_handle);
+
+ list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
+ kfree(p);
+ blockpool->pool_size--;
+ }
+
+ list_for_each_safe(p, n, &blockpool->free_entry_list) {
+ list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
+ kfree((void *)p);
+ }
+ ret = 0;
+exit:
+ return;
+}
+
+/*
+ * __vxge_hw_blockpool_create - Create block pool
+ */
+static enum vxge_hw_status
+__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev,
+ struct __vxge_hw_blockpool *blockpool,
+ u32 pool_size,
+ u32 pool_max)
+{
+ u32 i;
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ void *memblock;
+ dma_addr_t dma_addr;
+ struct pci_dev *dma_handle;
+ struct pci_dev *acc_handle;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ if (blockpool == NULL) {
+ status = VXGE_HW_FAIL;
+ goto blockpool_create_exit;
+ }
+
+ blockpool->hldev = hldev;
+ blockpool->block_size = VXGE_HW_BLOCK_SIZE;
+ blockpool->pool_size = 0;
+ blockpool->pool_max = pool_max;
+ blockpool->req_out = 0;
+
+ INIT_LIST_HEAD(&blockpool->free_block_list);
+ INIT_LIST_HEAD(&blockpool->free_entry_list);
+
+ for (i = 0; i < pool_size + pool_max; i++) {
+ entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry),
+ GFP_KERNEL);
+ if (entry == NULL) {
+ __vxge_hw_blockpool_destroy(blockpool);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto blockpool_create_exit;
+ }
+ list_add(&entry->item, &blockpool->free_entry_list);
+ }
+
+ for (i = 0; i < pool_size; i++) {
+ memblock = vxge_os_dma_malloc(
+ hldev->pdev,
+ VXGE_HW_BLOCK_SIZE,
+ &dma_handle,
+ &acc_handle);
+ if (memblock == NULL) {
+ __vxge_hw_blockpool_destroy(blockpool);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto blockpool_create_exit;
+ }
+
+ dma_addr = pci_map_single(hldev->pdev, memblock,
+ VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL);
+ if (unlikely(pci_dma_mapping_error(hldev->pdev,
+ dma_addr))) {
+ vxge_os_dma_free(hldev->pdev, memblock, &acc_handle);
+ __vxge_hw_blockpool_destroy(blockpool);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto blockpool_create_exit;
+ }
+
+ if (!list_empty(&blockpool->free_entry_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_entry_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
+
+ if (entry == NULL)
+ entry =
+ kzalloc(sizeof(struct __vxge_hw_blockpool_entry),
+ GFP_KERNEL);
+ if (entry != NULL) {
+ list_del(&entry->item);
+ entry->length = VXGE_HW_BLOCK_SIZE;
+ entry->memblock = memblock;
+ entry->dma_addr = dma_addr;
+ entry->acc_handle = acc_handle;
+ entry->dma_handle = dma_handle;
+ list_add(&entry->item,
+ &blockpool->free_block_list);
+ blockpool->pool_size++;
+ } else {
+ __vxge_hw_blockpool_destroy(blockpool);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto blockpool_create_exit;
+ }
+ }
+
+blockpool_create_exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_device_fifo_config_check - Check fifo configuration.
+ * Check the fifo configuration
+ */
+static enum vxge_hw_status
+__vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config)
+{
+ if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) ||
+ (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS))
+ return VXGE_HW_BADCFG_FIFO_BLOCKS;
+
+ return VXGE_HW_OK;
+}
+
+/*
+ * __vxge_hw_device_vpath_config_check - Check vpath configuration.
+ * Check the vpath configuration
+ */
+static enum vxge_hw_status
+__vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config)
+{
+ enum vxge_hw_status status;
+
+ if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) ||
+ (vp_config->min_bandwidth > VXGE_HW_VPATH_BANDWIDTH_MAX))
+ return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH;
+
+ status = __vxge_hw_device_fifo_config_check(&vp_config->fifo);
+ if (status != VXGE_HW_OK)
+ return status;
+
+ if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) &&
+ ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) ||
+ (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU)))
+ return VXGE_HW_BADCFG_VPATH_MTU;
+
+ if ((vp_config->rpa_strip_vlan_tag !=
+ VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) &&
+ (vp_config->rpa_strip_vlan_tag !=
+ VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) &&
+ (vp_config->rpa_strip_vlan_tag !=
+ VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE))
+ return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG;
+
+ return VXGE_HW_OK;
+}
+
+/*
+ * __vxge_hw_device_config_check - Check device configuration.
+ * Check the device configuration
+ */
+static enum vxge_hw_status
+__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config)
+{
+ u32 i;
+ enum vxge_hw_status status;
+
+ if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) &&
+ (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) &&
+ (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) &&
+ (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF))
+ return VXGE_HW_BADCFG_INTR_MODE;
+
+ if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) &&
+ (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE))
+ return VXGE_HW_BADCFG_RTS_MAC_EN;
+
+ for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
+ status = __vxge_hw_device_vpath_config_check(
+ &new_config->vp_config[i]);
+ if (status != VXGE_HW_OK)
+ return status;
+ }
+
+ return VXGE_HW_OK;
+}
+
+/*
* vxge_hw_device_initialize - Initialize Titan device.
* Initialize Titan device. Note that all the arguments of this public API
* are 'IN', including @hldev. Driver cooperates with
@@ -1303,6 +1422,242 @@ vxge_hw_device_terminate(struct __vxge_hw_device *hldev)
}
/*
+ * __vxge_hw_vpath_stats_access - Get the statistics from the given location
+ * and offset and perform an operation
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath,
+ u32 operation, u32 offset, u64 *stat)
+{
+ u64 val64;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct vxge_hw_vpath_reg __iomem *vp_reg;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto vpath_stats_access_exit;
+ }
+
+ vp_reg = vpath->vp_reg;
+
+ val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) |
+ VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE |
+ VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset);
+
+ status = __vxge_hw_pio_mem_write64(val64,
+ &vp_reg->xmac_stats_access_cmd,
+ VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE,
+ vpath->hldev->config.device_poll_millis);
+ if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ))
+ *stat = readq(&vp_reg->xmac_stats_access_data);
+ else
+ *stat = 0;
+
+vpath_stats_access_exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_xmac_tx_stats_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats)
+{
+ u64 *val64;
+ int i;
+ u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ val64 = (u64 *)vpath_tx_stats;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
+
+ for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) {
+ status = __vxge_hw_vpath_stats_access(vpath,
+ VXGE_HW_STATS_OP_READ,
+ offset, val64);
+ if (status != VXGE_HW_OK)
+ goto exit;
+ offset++;
+ val64++;
+ }
+exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats)
+{
+ u64 *val64;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ int i;
+ u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET;
+ val64 = (u64 *) vpath_rx_stats;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
+ for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) {
+ status = __vxge_hw_vpath_stats_access(vpath,
+ VXGE_HW_STATS_OP_READ,
+ offset >> 3, val64);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ offset += 8;
+ val64++;
+ }
+exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_stats_get - Get the vpath hw statistics.
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_vpath_stats_hw_info *hw_stats)
+{
+ u64 val64;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct vxge_hw_vpath_reg __iomem *vp_reg;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
+ vp_reg = vpath->vp_reg;
+
+ val64 = readq(&vp_reg->vpath_debug_stats0);
+ hw_stats->ini_num_mwr_sent =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats1);
+ hw_stats->ini_num_mrd_sent =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats2);
+ hw_stats->ini_num_cpl_rcvd =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats3);
+ hw_stats->ini_num_mwr_byte_sent =
+ VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats4);
+ hw_stats->ini_num_cpl_byte_rcvd =
+ VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats5);
+ hw_stats->wrcrdtarb_xoff =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats6);
+ hw_stats->rdcrdtarb_xoff =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count01);
+ hw_stats->vpath_genstats_count0 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count01);
+ hw_stats->vpath_genstats_count1 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count23);
+ hw_stats->vpath_genstats_count2 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count01);
+ hw_stats->vpath_genstats_count3 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count4);
+ hw_stats->vpath_genstats_count4 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count5);
+ hw_stats->vpath_genstats_count5 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5(
+ val64);
+
+ status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ VXGE_HW_VPATH_STATS_PIO_READ(
+ VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET);
+
+ hw_stats->prog_event_vnum0 =
+ (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64);
+
+ hw_stats->prog_event_vnum1 =
+ (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64);
+
+ VXGE_HW_VPATH_STATS_PIO_READ(
+ VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET);
+
+ hw_stats->prog_event_vnum2 =
+ (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64);
+
+ hw_stats->prog_event_vnum3 =
+ (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64);
+
+ val64 = readq(&vp_reg->rx_multi_cast_stats);
+ hw_stats->rx_multi_cast_frame_discard =
+ (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64);
+
+ val64 = readq(&vp_reg->rx_frm_transferred);
+ hw_stats->rx_frm_transferred =
+ (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64);
+
+ val64 = readq(&vp_reg->rxd_returned);
+ hw_stats->rxd_returned =
+ (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64);
+
+ val64 = readq(&vp_reg->dbg_stats_rx_mpa);
+ hw_stats->rx_mpa_len_fail_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64);
+ hw_stats->rx_mpa_mrk_fail_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64);
+ hw_stats->rx_mpa_crc_fail_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64);
+
+ val64 = readq(&vp_reg->dbg_stats_rx_fau);
+ hw_stats->rx_permitted_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64);
+ hw_stats->rx_vp_reset_discarded_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64);
+ hw_stats->rx_wol_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64);
+
+ val64 = readq(&vp_reg->tx_vp_reset_discarded_frms);
+ hw_stats->tx_vp_reset_discarded_frms =
+ (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS(
+ val64);
+exit:
+ return status;
+}
+
+/*
* vxge_hw_device_stats_get - Get the device hw statistics.
* Returns the vpath h/w stats for the device.
*/
@@ -1468,7 +1823,6 @@ vxge_hw_device_xmac_stats_get(struct __vxge_hw_device *hldev,
status = vxge_hw_device_xmac_aggr_stats_get(hldev,
0, &xmac_stats->aggr_stats[0]);
-
if (status != VXGE_HW_OK)
goto exit;
@@ -1843,189 +2197,359 @@ exit:
}
/*
- * __vxge_hw_ring_create - Create a Ring
- * This function creates Ring and initializes it.
+ * __vxge_hw_channel_allocate - Allocate memory for channel
+ * This function allocates required memory for the channel and various arrays
+ * in the channel
*/
-static enum vxge_hw_status
-__vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp,
- struct vxge_hw_ring_attr *attr)
+static struct __vxge_hw_channel *
+__vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph,
+ enum __vxge_hw_channel_type type,
+ u32 length, u32 per_dtr_space,
+ void *userdata)
{
- enum vxge_hw_status status = VXGE_HW_OK;
- struct __vxge_hw_ring *ring;
- u32 ring_length;
- struct vxge_hw_ring_config *config;
+ struct __vxge_hw_channel *channel;
struct __vxge_hw_device *hldev;
+ int size = 0;
u32 vp_id;
- struct vxge_hw_mempool_cbs ring_mp_callback;
- if ((vp == NULL) || (attr == NULL)) {
+ hldev = vph->vpath->hldev;
+ vp_id = vph->vpath->vp_id;
+
+ switch (type) {
+ case VXGE_HW_CHANNEL_TYPE_FIFO:
+ size = sizeof(struct __vxge_hw_fifo);
+ break;
+ case VXGE_HW_CHANNEL_TYPE_RING:
+ size = sizeof(struct __vxge_hw_ring);
+ break;
+ default:
+ break;
+ }
+
+ channel = kzalloc(size, GFP_KERNEL);
+ if (channel == NULL)
+ goto exit0;
+ INIT_LIST_HEAD(&channel->item);
+
+ channel->common_reg = hldev->common_reg;
+ channel->first_vp_id = hldev->first_vp_id;
+ channel->type = type;
+ channel->devh = hldev;
+ channel->vph = vph;
+ channel->userdata = userdata;
+ channel->per_dtr_space = per_dtr_space;
+ channel->length = length;
+ channel->vp_id = vp_id;
+
+ channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
+ if (channel->work_arr == NULL)
+ goto exit1;
+
+ channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
+ if (channel->free_arr == NULL)
+ goto exit1;
+ channel->free_ptr = length;
+
+ channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
+ if (channel->reserve_arr == NULL)
+ goto exit1;
+ channel->reserve_ptr = length;
+ channel->reserve_top = 0;
+
+ channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
+ if (channel->orig_arr == NULL)
+ goto exit1;
+
+ return channel;
+exit1:
+ __vxge_hw_channel_free(channel);
+
+exit0:
+ return NULL;
+}
+
+/*
+ * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async
+ * Adds a block to block pool
+ */
+static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh,
+ void *block_addr,
+ u32 length,
+ struct pci_dev *dma_h,
+ struct pci_dev *acc_handle)
+{
+ struct __vxge_hw_blockpool *blockpool;
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ dma_addr_t dma_addr;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ u32 req_out;
+
+ blockpool = &devh->block_pool;
+
+ if (block_addr == NULL) {
+ blockpool->req_out--;
status = VXGE_HW_FAIL;
goto exit;
}
- hldev = vp->vpath->hldev;
- vp_id = vp->vpath->vp_id;
+ dma_addr = pci_map_single(devh->pdev, block_addr, length,
+ PCI_DMA_BIDIRECTIONAL);
- config = &hldev->config.vp_config[vp_id].ring;
+ if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) {
+ vxge_os_dma_free(devh->pdev, block_addr, &acc_handle);
+ blockpool->req_out--;
+ status = VXGE_HW_FAIL;
+ goto exit;
+ }
- ring_length = config->ring_blocks *
- vxge_hw_ring_rxds_per_block_get(config->buffer_mode);
+ if (!list_empty(&blockpool->free_entry_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_entry_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
- ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp,
- VXGE_HW_CHANNEL_TYPE_RING,
- ring_length,
- attr->per_rxd_space,
- attr->userdata);
+ if (entry == NULL)
+ entry = vmalloc(sizeof(struct __vxge_hw_blockpool_entry));
+ else
+ list_del(&entry->item);
- if (ring == NULL) {
+ if (entry != NULL) {
+ entry->length = length;
+ entry->memblock = block_addr;
+ entry->dma_addr = dma_addr;
+ entry->acc_handle = acc_handle;
+ entry->dma_handle = dma_h;
+ list_add(&entry->item, &blockpool->free_block_list);
+ blockpool->pool_size++;
+ status = VXGE_HW_OK;
+ } else
status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto exit;
- }
- vp->vpath->ringh = ring;
- ring->vp_id = vp_id;
- ring->vp_reg = vp->vpath->vp_reg;
- ring->common_reg = hldev->common_reg;
- ring->stats = &vp->vpath->sw_stats->ring_stats;
- ring->config = config;
- ring->callback = attr->callback;
- ring->rxd_init = attr->rxd_init;
- ring->rxd_term = attr->rxd_term;
- ring->buffer_mode = config->buffer_mode;
- ring->rxds_limit = config->rxds_limit;
+ blockpool->req_out--;
- ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode);
- ring->rxd_priv_size =
- sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space;
- ring->per_rxd_space = attr->per_rxd_space;
+ req_out = blockpool->req_out;
+exit:
+ return;
+}
- ring->rxd_priv_size =
- ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) /
- VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE;
+static inline void
+vxge_os_dma_malloc_async(struct pci_dev *pdev, void *devh, unsigned long size)
+{
+ gfp_t flags;
+ void *vaddr;
- /* how many RxDs can fit into one block. Depends on configured
- * buffer_mode. */
- ring->rxds_per_block =
- vxge_hw_ring_rxds_per_block_get(config->buffer_mode);
+ if (in_interrupt())
+ flags = GFP_ATOMIC | GFP_DMA;
+ else
+ flags = GFP_KERNEL | GFP_DMA;
- /* calculate actual RxD block private size */
- ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block;
- ring_mp_callback.item_func_alloc = __vxge_hw_ring_mempool_item_alloc;
- ring->mempool = __vxge_hw_mempool_create(hldev,
- VXGE_HW_BLOCK_SIZE,
- VXGE_HW_BLOCK_SIZE,
- ring->rxdblock_priv_size,
- ring->config->ring_blocks,
- ring->config->ring_blocks,
- &ring_mp_callback,
- ring);
+ vaddr = kmalloc((size), flags);
- if (ring->mempool == NULL) {
- __vxge_hw_ring_delete(vp);
- return VXGE_HW_ERR_OUT_OF_MEMORY;
- }
+ vxge_hw_blockpool_block_add(devh, vaddr, size, pdev, pdev);
+}
- status = __vxge_hw_channel_initialize(&ring->channel);
- if (status != VXGE_HW_OK) {
- __vxge_hw_ring_delete(vp);
- goto exit;
+/*
+ * __vxge_hw_blockpool_blocks_add - Request additional blocks
+ */
+static
+void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool)
+{
+ u32 nreq = 0, i;
+
+ if ((blockpool->pool_size + blockpool->req_out) <
+ VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) {
+ nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE;
+ blockpool->req_out += nreq;
}
- /* Note:
- * Specifying rxd_init callback means two things:
- * 1) rxds need to be initialized by driver at channel-open time;
- * 2) rxds 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->rxd_init) {
- status = vxge_hw_ring_replenish(ring);
- if (status != VXGE_HW_OK) {
- __vxge_hw_ring_delete(vp);
+ for (i = 0; i < nreq; i++)
+ vxge_os_dma_malloc_async(
+ ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
+ blockpool->hldev, VXGE_HW_BLOCK_SIZE);
+}
+
+/*
+ * __vxge_hw_blockpool_malloc - Allocate a memory block from pool
+ * Allocates a block of memory of given size, either from block pool
+ * or by calling vxge_os_dma_malloc()
+ */
+static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size,
+ struct vxge_hw_mempool_dma *dma_object)
+{
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ struct __vxge_hw_blockpool *blockpool;
+ void *memblock = NULL;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ blockpool = &devh->block_pool;
+
+ if (size != blockpool->block_size) {
+
+ memblock = vxge_os_dma_malloc(devh->pdev, size,
+ &dma_object->handle,
+ &dma_object->acc_handle);
+
+ if (memblock == NULL) {
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
goto exit;
}
- }
- /* initial replenish will increment the counter in its post() routine,
- * we have to reset it */
- ring->stats->common_stats.usage_cnt = 0;
+ dma_object->addr = pci_map_single(devh->pdev, memblock, size,
+ PCI_DMA_BIDIRECTIONAL);
+
+ if (unlikely(pci_dma_mapping_error(devh->pdev,
+ dma_object->addr))) {
+ vxge_os_dma_free(devh->pdev, memblock,
+ &dma_object->acc_handle);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto exit;
+ }
+
+ } else {
+
+ if (!list_empty(&blockpool->free_block_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_block_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
+
+ if (entry != NULL) {
+ list_del(&entry->item);
+ dma_object->addr = entry->dma_addr;
+ dma_object->handle = entry->dma_handle;
+ dma_object->acc_handle = entry->acc_handle;
+ memblock = entry->memblock;
+
+ list_add(&entry->item,
+ &blockpool->free_entry_list);
+ blockpool->pool_size--;
+ }
+
+ if (memblock != NULL)
+ __vxge_hw_blockpool_blocks_add(blockpool);
+ }
exit:
- return status;
+ return memblock;
}
/*
- * __vxge_hw_ring_abort - Returns the RxD
- * This function terminates the RxDs of ring
+ * __vxge_hw_blockpool_blocks_remove - Free additional blocks
*/
-static enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring)
+static void
+__vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool)
{
- void *rxdh;
- struct __vxge_hw_channel *channel;
-
- channel = &ring->channel;
+ struct list_head *p, *n;
- for (;;) {
- vxge_hw_channel_dtr_try_complete(channel, &rxdh);
+ list_for_each_safe(p, n, &blockpool->free_block_list) {
- if (rxdh == NULL)
+ if (blockpool->pool_size < blockpool->pool_max)
break;
- vxge_hw_channel_dtr_complete(channel);
+ pci_unmap_single(
+ ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
+ ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
+ ((struct __vxge_hw_blockpool_entry *)p)->length,
+ PCI_DMA_BIDIRECTIONAL);
- if (ring->rxd_term)
- ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED,
- channel->userdata);
+ vxge_os_dma_free(
+ ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
+ ((struct __vxge_hw_blockpool_entry *)p)->memblock,
+ &((struct __vxge_hw_blockpool_entry *)p)->acc_handle);
- vxge_hw_channel_dtr_free(channel, rxdh);
- }
+ list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
- return VXGE_HW_OK;
+ list_add(p, &blockpool->free_entry_list);
+
+ blockpool->pool_size--;
+
+ }
}
/*
- * __vxge_hw_ring_reset - Resets the ring
- * This function resets the ring during vpath reset operation
+ * __vxge_hw_blockpool_free - Frees the memory allcoated with
+ * __vxge_hw_blockpool_malloc
*/
-static enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring)
+static void __vxge_hw_blockpool_free(struct __vxge_hw_device *devh,
+ void *memblock, u32 size,
+ struct vxge_hw_mempool_dma *dma_object)
{
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ struct __vxge_hw_blockpool *blockpool;
enum vxge_hw_status status = VXGE_HW_OK;
- struct __vxge_hw_channel *channel;
- channel = &ring->channel;
+ blockpool = &devh->block_pool;
- __vxge_hw_ring_abort(ring);
+ if (size != blockpool->block_size) {
+ pci_unmap_single(devh->pdev, dma_object->addr, size,
+ PCI_DMA_BIDIRECTIONAL);
+ vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle);
+ } else {
- status = __vxge_hw_channel_reset(channel);
+ if (!list_empty(&blockpool->free_entry_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_entry_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
- if (status != VXGE_HW_OK)
- goto exit;
+ if (entry == NULL)
+ entry = vmalloc(sizeof(
+ struct __vxge_hw_blockpool_entry));
+ else
+ list_del(&entry->item);
- if (ring->rxd_init) {
- status = vxge_hw_ring_replenish(ring);
- if (status != VXGE_HW_OK)
- goto exit;
+ if (entry != NULL) {
+ entry->length = size;
+ entry->memblock = memblock;
+ entry->dma_addr = dma_object->addr;
+ entry->acc_handle = dma_object->acc_handle;
+ entry->dma_handle = dma_object->handle;
+ list_add(&entry->item,
+ &blockpool->free_block_list);
+ blockpool->pool_size++;
+ status = VXGE_HW_OK;
+ } else
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+
+ if (status == VXGE_HW_OK)
+ __vxge_hw_blockpool_blocks_remove(blockpool);
}
-exit:
- return status;
}
/*
- * __vxge_hw_ring_delete - Removes the ring
- * This function freeup the memory pool and removes the ring
+ * vxge_hw_mempool_destroy
*/
-static enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp)
+static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool)
{
- struct __vxge_hw_ring *ring = vp->vpath->ringh;
+ u32 i, j;
+ struct __vxge_hw_device *devh = mempool->devh;
- __vxge_hw_ring_abort(ring);
+ for (i = 0; i < mempool->memblocks_allocated; i++) {
+ struct vxge_hw_mempool_dma *dma_object;
- if (ring->mempool)
- __vxge_hw_mempool_destroy(ring->mempool);
+ vxge_assert(mempool->memblocks_arr[i]);
+ vxge_assert(mempool->memblocks_dma_arr + i);
- vp->vpath->ringh = NULL;
- __vxge_hw_channel_free(&ring->channel);
+ dma_object = mempool->memblocks_dma_arr + i;
- return VXGE_HW_OK;
+ for (j = 0; j < mempool->items_per_memblock; j++) {
+ u32 index = i * mempool->items_per_memblock + j;
+
+ /* to skip last partially filled(if any) memblock */
+ if (index >= mempool->items_current)
+ break;
+ }
+
+ vfree(mempool->memblocks_priv_arr[i]);
+
+ __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i],
+ mempool->memblock_size, dma_object);
+ }
+
+ vfree(mempool->items_arr);
+ vfree(mempool->memblocks_dma_arr);
+ vfree(mempool->memblocks_priv_arr);
+ vfree(mempool->memblocks_arr);
+ vfree(mempool);
}
/*
@@ -2118,16 +2642,15 @@ exit:
* with size enough to hold %items_initial number of items. Memory is
* DMA-able but client must map/unmap before interoperating with the device.
*/
-static struct vxge_hw_mempool*
-__vxge_hw_mempool_create(
- struct __vxge_hw_device *devh,
- u32 memblock_size,
- u32 item_size,
- u32 items_priv_size,
- u32 items_initial,
- u32 items_max,
- struct vxge_hw_mempool_cbs *mp_callback,
- void *userdata)
+static struct vxge_hw_mempool *
+__vxge_hw_mempool_create(struct __vxge_hw_device *devh,
+ u32 memblock_size,
+ u32 item_size,
+ u32 items_priv_size,
+ u32 items_initial,
+ u32 items_max,
+ struct vxge_hw_mempool_cbs *mp_callback,
+ void *userdata)
{
enum vxge_hw_status status = VXGE_HW_OK;
u32 memblocks_to_allocate;
@@ -2185,7 +2708,6 @@ __vxge_hw_mempool_create(
mempool->memblocks_dma_arr =
vzalloc(sizeof(struct vxge_hw_mempool_dma) *
mempool->memblocks_max);
-
if (mempool->memblocks_dma_arr == NULL) {
__vxge_hw_mempool_destroy(mempool);
status = VXGE_HW_ERR_OUT_OF_MEMORY;
@@ -2222,122 +2744,188 @@ exit:
}
/*
- * vxge_hw_mempool_destroy
+ * __vxge_hw_ring_abort - Returns the RxD
+ * This function terminates the RxDs of ring
*/
-static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool)
+static enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring)
{
- u32 i, j;
- struct __vxge_hw_device *devh = mempool->devh;
-
- for (i = 0; i < mempool->memblocks_allocated; i++) {
- struct vxge_hw_mempool_dma *dma_object;
+ void *rxdh;
+ struct __vxge_hw_channel *channel;
- vxge_assert(mempool->memblocks_arr[i]);
- vxge_assert(mempool->memblocks_dma_arr + i);
+ channel = &ring->channel;
- dma_object = mempool->memblocks_dma_arr + i;
+ for (;;) {
+ vxge_hw_channel_dtr_try_complete(channel, &rxdh);
- for (j = 0; j < mempool->items_per_memblock; j++) {
- u32 index = i * mempool->items_per_memblock + j;
+ if (rxdh == NULL)
+ break;
- /* to skip last partially filled(if any) memblock */
- if (index >= mempool->items_current)
- break;
- }
+ vxge_hw_channel_dtr_complete(channel);
- vfree(mempool->memblocks_priv_arr[i]);
+ if (ring->rxd_term)
+ ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED,
+ channel->userdata);
- __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i],
- mempool->memblock_size, dma_object);
+ vxge_hw_channel_dtr_free(channel, rxdh);
}
- vfree(mempool->items_arr);
+ return VXGE_HW_OK;
+}
- vfree(mempool->memblocks_dma_arr);
+/*
+ * __vxge_hw_ring_reset - Resets the ring
+ * This function resets the ring during vpath reset operation
+ */
+static enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring)
+{
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct __vxge_hw_channel *channel;
- vfree(mempool->memblocks_priv_arr);
+ channel = &ring->channel;
- vfree(mempool->memblocks_arr);
+ __vxge_hw_ring_abort(ring);
- vfree(mempool);
+ status = __vxge_hw_channel_reset(channel);
+
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ if (ring->rxd_init) {
+ status = vxge_hw_ring_replenish(ring);
+ if (status != VXGE_HW_OK)
+ goto exit;
+ }
+exit:
+ return status;
}
/*
- * __vxge_hw_device_fifo_config_check - Check fifo configuration.
- * Check the fifo configuration
+ * __vxge_hw_ring_delete - Removes the ring
+ * This function freeup the memory pool and removes the ring
*/
static enum vxge_hw_status
-__vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config)
+__vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp)
{
- if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) ||
- (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS))
- return VXGE_HW_BADCFG_FIFO_BLOCKS;
+ struct __vxge_hw_ring *ring = vp->vpath->ringh;
+
+ __vxge_hw_ring_abort(ring);
+
+ if (ring->mempool)
+ __vxge_hw_mempool_destroy(ring->mempool);
+
+ vp->vpath->ringh = NULL;
+ __vxge_hw_channel_free(&ring->channel);
return VXGE_HW_OK;
}
/*
- * __vxge_hw_device_vpath_config_check - Check vpath configuration.
- * Check the vpath configuration
+ * __vxge_hw_ring_create - Create a Ring
+ * This function creates Ring and initializes it.
*/
static enum vxge_hw_status
-__vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config)
+__vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp,
+ struct vxge_hw_ring_attr *attr)
{
- enum vxge_hw_status status;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct __vxge_hw_ring *ring;
+ u32 ring_length;
+ struct vxge_hw_ring_config *config;
+ struct __vxge_hw_device *hldev;
+ u32 vp_id;
+ struct vxge_hw_mempool_cbs ring_mp_callback;
- if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) ||
- (vp_config->min_bandwidth >
- VXGE_HW_VPATH_BANDWIDTH_MAX))
- return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH;
+ if ((vp == NULL) || (attr == NULL)) {
+ status = VXGE_HW_FAIL;
+ goto exit;
+ }
- status = __vxge_hw_device_fifo_config_check(&vp_config->fifo);
- if (status != VXGE_HW_OK)
- return status;
+ hldev = vp->vpath->hldev;
+ vp_id = vp->vpath->vp_id;
- if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) &&
- ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) ||
- (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU)))
- return VXGE_HW_BADCFG_VPATH_MTU;
+ config = &hldev->config.vp_config[vp_id].ring;
- if ((vp_config->rpa_strip_vlan_tag !=
- VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) &&
- (vp_config->rpa_strip_vlan_tag !=
- VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) &&
- (vp_config->rpa_strip_vlan_tag !=
- VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE))
- return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG;
+ ring_length = config->ring_blocks *
+ vxge_hw_ring_rxds_per_block_get(config->buffer_mode);
- return VXGE_HW_OK;
-}
+ ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp,
+ VXGE_HW_CHANNEL_TYPE_RING,
+ ring_length,
+ attr->per_rxd_space,
+ attr->userdata);
+ if (ring == NULL) {
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto exit;
+ }
-/*
- * __vxge_hw_device_config_check - Check device configuration.
- * Check the device configuration
- */
-static enum vxge_hw_status
-__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config)
-{
- u32 i;
- enum vxge_hw_status status;
+ vp->vpath->ringh = ring;
+ ring->vp_id = vp_id;
+ ring->vp_reg = vp->vpath->vp_reg;
+ ring->common_reg = hldev->common_reg;
+ ring->stats = &vp->vpath->sw_stats->ring_stats;
+ ring->config = config;
+ ring->callback = attr->callback;
+ ring->rxd_init = attr->rxd_init;
+ ring->rxd_term = attr->rxd_term;
+ ring->buffer_mode = config->buffer_mode;
+ ring->rxds_limit = config->rxds_limit;
- if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) &&
- (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) &&
- (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) &&
- (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF))
- return VXGE_HW_BADCFG_INTR_MODE;
+ ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode);
+ ring->rxd_priv_size =
+ sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space;
+ ring->per_rxd_space = attr->per_rxd_space;
- if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) &&
- (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE))
- return VXGE_HW_BADCFG_RTS_MAC_EN;
+ ring->rxd_priv_size =
+ ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) /
+ VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE;
- for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
- status = __vxge_hw_device_vpath_config_check(
- &new_config->vp_config[i]);
- if (status != VXGE_HW_OK)
- return status;
+ /* how many RxDs can fit into one block. Depends on configured
+ * buffer_mode. */
+ ring->rxds_per_block =
+ vxge_hw_ring_rxds_per_block_get(config->buffer_mode);
+
+ /* calculate actual RxD block private size */
+ ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block;
+ ring_mp_callback.item_func_alloc = __vxge_hw_ring_mempool_item_alloc;
+ ring->mempool = __vxge_hw_mempool_create(hldev,
+ VXGE_HW_BLOCK_SIZE,
+ VXGE_HW_BLOCK_SIZE,
+ ring->rxdblock_priv_size,
+ ring->config->ring_blocks,
+ ring->config->ring_blocks,
+ &ring_mp_callback,
+ ring);
+ if (ring->mempool == NULL) {
+ __vxge_hw_ring_delete(vp);
+ return VXGE_HW_ERR_OUT_OF_MEMORY;
}
- return VXGE_HW_OK;
+ status = __vxge_hw_channel_initialize(&ring->channel);
+ if (status != VXGE_HW_OK) {
+ __vxge_hw_ring_delete(vp);
+ goto exit;
+ }
+
+ /* Note:
+ * Specifying rxd_init callback means two things:
+ * 1) rxds need to be initialized by driver at channel-open time;
+ * 2) rxds 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->rxd_init) {
+ status = vxge_hw_ring_replenish(ring);
+ if (status != VXGE_HW_OK) {
+ __vxge_hw_ring_delete(vp);
+ goto exit;
+ }
+ }
+
+ /* initial replenish will increment the counter in its post() routine,
+ * we have to reset it */
+ ring->stats->common_stats.usage_cnt = 0;
+exit:
+ return status;
}
/*
@@ -2359,7 +2947,6 @@ vxge_hw_device_config_default_get(struct vxge_hw_device_config *device_config)
device_config->rts_mac_en = VXGE_HW_RTS_MAC_DEFAULT;
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
device_config->vp_config[i].vp_id = i;
device_config->vp_config[i].min_bandwidth =
@@ -2499,61 +3086,6 @@ vxge_hw_device_config_default_get(struct vxge_hw_device_config *device_config)
}
/*
- * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion.
- * Set the swapper bits appropriately for the lagacy section.
- */
-static enum vxge_hw_status
-__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg)
-{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- val64 = readq(&legacy_reg->toc_swapper_fb);
-
- wmb();
-
- switch (val64) {
-
- case VXGE_HW_SWAPPER_INITIAL_VALUE:
- return status;
-
- case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED:
- writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
- &legacy_reg->pifm_rd_swap_en);
- writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
- &legacy_reg->pifm_rd_flip_en);
- writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
- &legacy_reg->pifm_wr_swap_en);
- writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
- &legacy_reg->pifm_wr_flip_en);
- break;
-
- case VXGE_HW_SWAPPER_BYTE_SWAPPED:
- writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
- &legacy_reg->pifm_rd_swap_en);
- writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
- &legacy_reg->pifm_wr_swap_en);
- break;
-
- case VXGE_HW_SWAPPER_BIT_FLIPPED:
- writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
- &legacy_reg->pifm_rd_flip_en);
- writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
- &legacy_reg->pifm_wr_flip_en);
- break;
- }
-
- wmb();
-
- val64 = readq(&legacy_reg->toc_swapper_fb);
-
- if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE)
- status = VXGE_HW_ERR_SWAPPER_CTRL;
-
- return status;
-}
-
-/*
* __vxge_hw_vpath_swapper_set - Set the swapper bits for the vpath.
* Set the swapper bits appropriately for the vpath.
*/
@@ -2577,9 +3109,8 @@ __vxge_hw_vpath_swapper_set(struct vxge_hw_vpath_reg __iomem *vpath_reg)
* Set the swapper bits appropriately for the vpath.
*/
static enum vxge_hw_status
-__vxge_hw_kdfc_swapper_set(
- struct vxge_hw_legacy_reg __iomem *legacy_reg,
- struct vxge_hw_vpath_reg __iomem *vpath_reg)
+__vxge_hw_kdfc_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg,
+ struct vxge_hw_vpath_reg __iomem *vpath_reg)
{
u64 val64;
@@ -2829,6 +3360,69 @@ exit:
}
/*
+ * __vxge_hw_fifo_abort - Returns the TxD
+ * This function terminates the TxDs of fifo
+ */
+static enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo)
+{
+ void *txdlh;
+
+ for (;;) {
+ vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh);
+
+ if (txdlh == NULL)
+ break;
+
+ vxge_hw_channel_dtr_complete(&fifo->channel);
+
+ if (fifo->txdl_term) {
+ fifo->txdl_term(txdlh,
+ VXGE_HW_TXDL_STATE_POSTED,
+ fifo->channel.userdata);
+ }
+
+ vxge_hw_channel_dtr_free(&fifo->channel, txdlh);
+ }
+
+ return VXGE_HW_OK;
+}
+
+/*
+ * __vxge_hw_fifo_reset - Resets the fifo
+ * This function resets the fifo during vpath reset operation
+ */
+static enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo)
+{
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ __vxge_hw_fifo_abort(fifo);
+ status = __vxge_hw_channel_reset(&fifo->channel);
+
+ return status;
+}
+
+/*
+ * __vxge_hw_fifo_delete - Removes the FIFO
+ * This function freeup the memory pool and removes the FIFO
+ */
+static enum vxge_hw_status
+__vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp)
+{
+ struct __vxge_hw_fifo *fifo = vp->vpath->fifoh;
+
+ __vxge_hw_fifo_abort(fifo);
+
+ if (fifo->mempool)
+ __vxge_hw_mempool_destroy(fifo->mempool);
+
+ vp->vpath->fifoh = NULL;
+
+ __vxge_hw_channel_free(&fifo->channel);
+
+ return VXGE_HW_OK;
+}
+
+/*
* __vxge_hw_fifo_mempool_item_alloc - Allocate List blocks for TxD
* list callback
* This function is callback passed to __vxge_hw_mempool_create to create memory
@@ -2993,69 +3587,6 @@ exit:
}
/*
- * __vxge_hw_fifo_abort - Returns the TxD
- * This function terminates the TxDs of fifo
- */
-static enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo)
-{
- void *txdlh;
-
- for (;;) {
- vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh);
-
- if (txdlh == NULL)
- break;
-
- vxge_hw_channel_dtr_complete(&fifo->channel);
-
- if (fifo->txdl_term) {
- fifo->txdl_term(txdlh,
- VXGE_HW_TXDL_STATE_POSTED,
- fifo->channel.userdata);
- }
-
- vxge_hw_channel_dtr_free(&fifo->channel, txdlh);
- }
-
- return VXGE_HW_OK;
-}
-
-/*
- * __vxge_hw_fifo_reset - Resets the fifo
- * This function resets the fifo during vpath reset operation
- */
-static enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo)
-{
- enum vxge_hw_status status = VXGE_HW_OK;
-
- __vxge_hw_fifo_abort(fifo);
- status = __vxge_hw_channel_reset(&fifo->channel);
-
- return status;
-}
-
-/*
- * __vxge_hw_fifo_delete - Removes the FIFO
- * This function freeup the memory pool and removes the FIFO
- */
-static enum vxge_hw_status
-__vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp)
-{
- struct __vxge_hw_fifo *fifo = vp->vpath->fifoh;
-
- __vxge_hw_fifo_abort(fifo);
-
- if (fifo->mempool)
- __vxge_hw_mempool_destroy(fifo->mempool);
-
- vp->vpath->fifoh = NULL;
-
- __vxge_hw_channel_free(&fifo->channel);
-
- return VXGE_HW_OK;
-}
-
-/*
* __vxge_hw_vpath_pci_read - Read the content of given address
* in pci config space.
* Read from the vpath pci config space.
@@ -3786,10 +4317,10 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id)
vp_reg = vpath->vp_reg;
config = vpath->vp_config;
- writeq((u64)0, &vp_reg->tim_dest_addr);
- writeq((u64)0, &vp_reg->tim_vpath_map);
- writeq((u64)0, &vp_reg->tim_bitmap);
- writeq((u64)0, &vp_reg->tim_remap);
+ writeq(0, &vp_reg->tim_dest_addr);
+ writeq(0, &vp_reg->tim_vpath_map);
+ writeq(0, &vp_reg->tim_bitmap);
+ writeq(0, &vp_reg->tim_remap);
if (config->ring.enable == VXGE_HW_RING_ENABLE)
writeq(VXGE_HW_TIM_RING_ASSN_INT_NUM(
@@ -4021,8 +4552,7 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id)
return status;
}
-void
-vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id)
+void vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id)
{
struct __vxge_hw_virtualpath *vpath;
struct vxge_hw_vpath_reg __iomem *vp_reg;
@@ -4033,17 +4563,15 @@ vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id)
vp_reg = vpath->vp_reg;
config = vpath->vp_config;
- if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) {
+ if (config->fifo.enable == VXGE_HW_FIFO_ENABLE &&
+ config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) {
+ config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE;
val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]);
-
- if (config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) {
- config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE;
- val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI;
- writeq(val64,
- &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]);
- }
+ val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI;
+ writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]);
}
}
+
/*
* __vxge_hw_vpath_initialize
* This routine is the final phase of init which initializes the
@@ -4067,22 +4595,18 @@ __vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id)
vp_reg = vpath->vp_reg;
status = __vxge_hw_vpath_swapper_set(vpath->vp_reg);
-
if (status != VXGE_HW_OK)
goto exit;
status = __vxge_hw_vpath_mac_configure(hldev, vp_id);
-
if (status != VXGE_HW_OK)
goto exit;
status = __vxge_hw_vpath_kdfc_configure(hldev, vp_id);
-
if (status != VXGE_HW_OK)
goto exit;
status = __vxge_hw_vpath_tim_configure(hldev, vp_id);
-
if (status != VXGE_HW_OK)
goto exit;
@@ -4090,7 +4614,6 @@ __vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id)
/* Get MRRS value from device control */
status = __vxge_hw_vpath_pci_read(vpath, 1, 0x78, &val32);
-
if (status == VXGE_HW_OK) {
val32 = (val32 & VXGE_HW_PCI_EXP_DEVCTL_READRQ) >> 12;
val64 &=
@@ -4114,6 +4637,28 @@ exit:
}
/*
+ * __vxge_hw_vp_terminate - Terminate Virtual Path structure
+ * This routine closes all channels it opened and freeup memory
+ */
+static void __vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id)
+{
+ struct __vxge_hw_virtualpath *vpath;
+
+ vpath = &hldev->virtual_paths[vp_id];
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN)
+ goto exit;
+
+ VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0,
+ vpath->hldev->tim_int_mask1, vpath->vp_id);
+ hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL;
+
+ memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath));
+exit:
+ return;
+}
+
+/*
* __vxge_hw_vp_initialize - Initialize Virtual Path structure
* This routine is the initial phase of init which resets the vpath and
* initializes the software support structures.
@@ -4169,29 +4714,6 @@ exit:
}
/*
- * __vxge_hw_vp_terminate - Terminate Virtual Path structure
- * This routine closes all channels it opened and freeup memory
- */
-static void
-__vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id)
-{
- struct __vxge_hw_virtualpath *vpath;
-
- vpath = &hldev->virtual_paths[vp_id];
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN)
- goto exit;
-
- VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0,
- vpath->hldev->tim_int_mask1, vpath->vp_id);
- hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL;
-
- memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath));
-exit:
- return;
-}
-
-/*
* vxge_hw_vpath_mtu_set - Set MTU.
* Set new MTU value. Example, to use jumbo frames:
* vxge_hw_vpath_mtu_set(my_device, 9600);
@@ -4228,6 +4750,64 @@ exit:
}
/*
+ * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics.
+ * Enable the DMA vpath statistics. The function is to be called to re-enable
+ * the adapter to update stats into the host memory
+ */
+static enum vxge_hw_status
+vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp)
+{
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct __vxge_hw_virtualpath *vpath;
+
+ vpath = vp->vpath;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
+
+ memcpy(vpath->hw_stats_sav, vpath->hw_stats,
+ sizeof(struct vxge_hw_vpath_stats_hw_info));
+
+ status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats);
+exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool
+ * This function allocates a block from block pool or from the system
+ */
+static struct __vxge_hw_blockpool_entry *
+__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size)
+{
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ struct __vxge_hw_blockpool *blockpool;
+
+ blockpool = &devh->block_pool;
+
+ if (size == blockpool->block_size) {
+
+ if (!list_empty(&blockpool->free_block_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_block_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
+
+ if (entry != NULL) {
+ list_del(&entry->item);
+ blockpool->pool_size--;
+ }
+ }
+
+ if (entry != NULL)
+ __vxge_hw_blockpool_blocks_add(blockpool);
+
+ return entry;
+}
+
+/*
* vxge_hw_vpath_open - Open a virtual path on a given adapter
* This function is used to open access to virtual path of an
* adapter for offload, GRO operations. This function returns
@@ -4251,7 +4831,6 @@ vxge_hw_vpath_open(struct __vxge_hw_device *hldev,
status = __vxge_hw_vp_initialize(hldev, attr->vp_id,
&hldev->config.vp_config[attr->vp_id]);
-
if (status != VXGE_HW_OK)
goto vpath_open_exit1;
@@ -4283,7 +4862,6 @@ vxge_hw_vpath_open(struct __vxge_hw_device *hldev,
vpath->stats_block = __vxge_hw_blockpool_block_allocate(hldev,
VXGE_HW_BLOCK_SIZE);
-
if (vpath->stats_block == NULL) {
status = VXGE_HW_ERR_OUT_OF_MEMORY;
goto vpath_open_exit8;
@@ -4342,8 +4920,7 @@ vpath_open_exit1:
* This function is used to close access to virtual path opened
* earlier.
*/
-void
-vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp)
+void vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp)
{
struct __vxge_hw_virtualpath *vpath = vp->vpath;
struct __vxge_hw_ring *ring = vpath->ringh;
@@ -4379,6 +4956,29 @@ vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp)
}
/*
+ * __vxge_hw_blockpool_block_free - Frees a block from block pool
+ * @devh: Hal device
+ * @entry: Entry of block to be freed
+ *
+ * This function frees a block from block pool
+ */
+static void
+__vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh,
+ struct __vxge_hw_blockpool_entry *entry)
+{
+ struct __vxge_hw_blockpool *blockpool;
+
+ blockpool = &devh->block_pool;
+
+ if (entry->length == blockpool->block_size) {
+ list_add(&entry->item, &blockpool->free_block_list);
+ blockpool->pool_size++;
+ }
+
+ __vxge_hw_blockpool_blocks_remove(blockpool);
+}
+
+/*
* vxge_hw_vpath_close - Close the handle got from previous vpath (vpath) open
* This function is used to close access to virtual path opened
* earlier.
@@ -4529,728 +5129,3 @@ vxge_hw_vpath_enable(struct __vxge_hw_vpath_handle *vp)
__vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32),
&hldev->common_reg->cmn_rsthdlr_cfg1);
}
-
-/*
- * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics.
- * Enable the DMA vpath statistics. The function is to be called to re-enable
- * the adapter to update stats into the host memory
- */
-static enum vxge_hw_status
-vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp)
-{
- enum vxge_hw_status status = VXGE_HW_OK;
- struct __vxge_hw_virtualpath *vpath;
-
- vpath = vp->vpath;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
-
- memcpy(vpath->hw_stats_sav, vpath->hw_stats,
- sizeof(struct vxge_hw_vpath_stats_hw_info));
-
- status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats);
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_stats_access - Get the statistics from the given location
- * and offset and perform an operation
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath,
- u32 operation, u32 offset, u64 *stat)
-{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct vxge_hw_vpath_reg __iomem *vp_reg;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto vpath_stats_access_exit;
- }
-
- vp_reg = vpath->vp_reg;
-
- val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) |
- VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE |
- VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vp_reg->xmac_stats_access_cmd,
- VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE,
- vpath->hldev->config.device_poll_millis);
-
- if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ))
- *stat = readq(&vp_reg->xmac_stats_access_data);
- else
- *stat = 0;
-
-vpath_stats_access_exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_xmac_tx_stats_get(
- struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats)
-{
- u64 *val64;
- int i;
- u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- val64 = (u64 *) vpath_tx_stats;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
-
- for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) {
- status = __vxge_hw_vpath_stats_access(vpath,
- VXGE_HW_STATS_OP_READ,
- offset, val64);
- if (status != VXGE_HW_OK)
- goto exit;
- offset++;
- val64++;
- }
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats)
-{
- u64 *val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- int i;
- u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET;
- val64 = (u64 *) vpath_rx_stats;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
- for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) {
- status = __vxge_hw_vpath_stats_access(vpath,
- VXGE_HW_STATS_OP_READ,
- offset >> 3, val64);
- if (status != VXGE_HW_OK)
- goto exit;
-
- offset += 8;
- val64++;
- }
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_stats_get - Get the vpath hw statistics.
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_vpath_stats_hw_info *hw_stats)
-{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct vxge_hw_vpath_reg __iomem *vp_reg;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
- vp_reg = vpath->vp_reg;
-
- val64 = readq(&vp_reg->vpath_debug_stats0);
- hw_stats->ini_num_mwr_sent =
- (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats1);
- hw_stats->ini_num_mrd_sent =
- (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats2);
- hw_stats->ini_num_cpl_rcvd =
- (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats3);
- hw_stats->ini_num_mwr_byte_sent =
- VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats4);
- hw_stats->ini_num_cpl_byte_rcvd =
- VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats5);
- hw_stats->wrcrdtarb_xoff =
- (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats6);
- hw_stats->rdcrdtarb_xoff =
- (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count01);
- hw_stats->vpath_genstats_count0 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0(
- val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count01);
- hw_stats->vpath_genstats_count1 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1(
- val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count23);
- hw_stats->vpath_genstats_count2 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2(
- val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count01);
- hw_stats->vpath_genstats_count3 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3(
- val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count4);
- hw_stats->vpath_genstats_count4 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4(
- val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count5);
- hw_stats->vpath_genstats_count5 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5(
- val64);
-
- status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats);
- if (status != VXGE_HW_OK)
- goto exit;
-
- status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats);
- if (status != VXGE_HW_OK)
- goto exit;
-
- VXGE_HW_VPATH_STATS_PIO_READ(
- VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET);
-
- hw_stats->prog_event_vnum0 =
- (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64);
-
- hw_stats->prog_event_vnum1 =
- (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64);
-
- VXGE_HW_VPATH_STATS_PIO_READ(
- VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET);
-
- hw_stats->prog_event_vnum2 =
- (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64);
-
- hw_stats->prog_event_vnum3 =
- (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64);
-
- val64 = readq(&vp_reg->rx_multi_cast_stats);
- hw_stats->rx_multi_cast_frame_discard =
- (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64);
-
- val64 = readq(&vp_reg->rx_frm_transferred);
- hw_stats->rx_frm_transferred =
- (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64);
-
- val64 = readq(&vp_reg->rxd_returned);
- hw_stats->rxd_returned =
- (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64);
-
- val64 = readq(&vp_reg->dbg_stats_rx_mpa);
- hw_stats->rx_mpa_len_fail_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64);
- hw_stats->rx_mpa_mrk_fail_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64);
- hw_stats->rx_mpa_crc_fail_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64);
-
- val64 = readq(&vp_reg->dbg_stats_rx_fau);
- hw_stats->rx_permitted_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64);
- hw_stats->rx_vp_reset_discarded_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64);
- hw_stats->rx_wol_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64);
-
- val64 = readq(&vp_reg->tx_vp_reset_discarded_frms);
- hw_stats->tx_vp_reset_discarded_frms =
- (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS(
- val64);
-exit:
- return status;
-}
-
-
-static void vxge_os_dma_malloc_async(struct pci_dev *pdev, void *devh,
- unsigned long size)
-{
- gfp_t flags;
- void *vaddr;
-
- if (in_interrupt())
- flags = GFP_ATOMIC | GFP_DMA;
- else
- flags = GFP_KERNEL | GFP_DMA;
-
- vaddr = kmalloc((size), flags);
-
- vxge_hw_blockpool_block_add(devh, vaddr, size, pdev, pdev);
-}
-
-static void vxge_os_dma_free(struct pci_dev *pdev, const void *vaddr,
- struct pci_dev **p_dma_acch)
-{
- unsigned long misaligned = *(unsigned long *)p_dma_acch;
- u8 *tmp = (u8 *)vaddr;
- tmp -= misaligned;
- kfree((void *)tmp);
-}
-
-/*
- * __vxge_hw_blockpool_create - Create block pool
- */
-
-static enum vxge_hw_status
-__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev,
- struct __vxge_hw_blockpool *blockpool,
- u32 pool_size,
- u32 pool_max)
-{
- u32 i;
- struct __vxge_hw_blockpool_entry *entry = NULL;
- void *memblock;
- dma_addr_t dma_addr;
- struct pci_dev *dma_handle;
- struct pci_dev *acc_handle;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- if (blockpool == NULL) {
- status = VXGE_HW_FAIL;
- goto blockpool_create_exit;
- }
-
- blockpool->hldev = hldev;
- blockpool->block_size = VXGE_HW_BLOCK_SIZE;
- blockpool->pool_size = 0;
- blockpool->pool_max = pool_max;
- blockpool->req_out = 0;
-
- INIT_LIST_HEAD(&blockpool->free_block_list);
- INIT_LIST_HEAD(&blockpool->free_entry_list);
-
- for (i = 0; i < pool_size + pool_max; i++) {
- entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry),
- GFP_KERNEL);
- if (entry == NULL) {
- __vxge_hw_blockpool_destroy(blockpool);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto blockpool_create_exit;
- }
- list_add(&entry->item, &blockpool->free_entry_list);
- }
-
- for (i = 0; i < pool_size; i++) {
-
- memblock = vxge_os_dma_malloc(
- hldev->pdev,
- VXGE_HW_BLOCK_SIZE,
- &dma_handle,
- &acc_handle);
-
- if (memblock == NULL) {
- __vxge_hw_blockpool_destroy(blockpool);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto blockpool_create_exit;
- }
-
- dma_addr = pci_map_single(hldev->pdev, memblock,
- VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL);
-
- if (unlikely(pci_dma_mapping_error(hldev->pdev,
- dma_addr))) {
-
- vxge_os_dma_free(hldev->pdev, memblock, &acc_handle);
- __vxge_hw_blockpool_destroy(blockpool);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto blockpool_create_exit;
- }
-
- if (!list_empty(&blockpool->free_entry_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_entry_list,
- struct __vxge_hw_blockpool_entry,
- item);
-
- if (entry == NULL)
- entry =
- kzalloc(sizeof(struct __vxge_hw_blockpool_entry),
- GFP_KERNEL);
- if (entry != NULL) {
- list_del(&entry->item);
- entry->length = VXGE_HW_BLOCK_SIZE;
- entry->memblock = memblock;
- entry->dma_addr = dma_addr;
- entry->acc_handle = acc_handle;
- entry->dma_handle = dma_handle;
- list_add(&entry->item,
- &blockpool->free_block_list);
- blockpool->pool_size++;
- } else {
- __vxge_hw_blockpool_destroy(blockpool);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto blockpool_create_exit;
- }
- }
-
-blockpool_create_exit:
- return status;
-}
-
-/*
- * __vxge_hw_blockpool_destroy - Deallocates the block pool
- */
-
-static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool)
-{
-
- struct __vxge_hw_device *hldev;
- struct list_head *p, *n;
- u16 ret;
-
- if (blockpool == NULL) {
- ret = 1;
- goto exit;
- }
-
- hldev = blockpool->hldev;
-
- list_for_each_safe(p, n, &blockpool->free_block_list) {
-
- pci_unmap_single(hldev->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
- ((struct __vxge_hw_blockpool_entry *)p)->length,
- PCI_DMA_BIDIRECTIONAL);
-
- vxge_os_dma_free(hldev->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->memblock,
- &((struct __vxge_hw_blockpool_entry *) p)->acc_handle);
-
- list_del(
- &((struct __vxge_hw_blockpool_entry *)p)->item);
- kfree(p);
- blockpool->pool_size--;
- }
-
- list_for_each_safe(p, n, &blockpool->free_entry_list) {
- list_del(
- &((struct __vxge_hw_blockpool_entry *)p)->item);
- kfree((void *)p);
- }
- ret = 0;
-exit:
- return;
-}
-
-/*
- * __vxge_hw_blockpool_blocks_add - Request additional blocks
- */
-static
-void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool)
-{
- u32 nreq = 0, i;
-
- if ((blockpool->pool_size + blockpool->req_out) <
- VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) {
- nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE;
- blockpool->req_out += nreq;
- }
-
- for (i = 0; i < nreq; i++)
- vxge_os_dma_malloc_async(
- ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
- blockpool->hldev, VXGE_HW_BLOCK_SIZE);
-}
-
-/*
- * __vxge_hw_blockpool_blocks_remove - Free additional blocks
- */
-static
-void __vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool)
-{
- struct list_head *p, *n;
-
- list_for_each_safe(p, n, &blockpool->free_block_list) {
-
- if (blockpool->pool_size < blockpool->pool_max)
- break;
-
- pci_unmap_single(
- ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
- ((struct __vxge_hw_blockpool_entry *)p)->length,
- PCI_DMA_BIDIRECTIONAL);
-
- vxge_os_dma_free(
- ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->memblock,
- &((struct __vxge_hw_blockpool_entry *)p)->acc_handle);
-
- list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
-
- list_add(p, &blockpool->free_entry_list);
-
- blockpool->pool_size--;
-
- }
-}
-
-/*
- * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async
- * Adds a block to block pool
- */
-static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh,
- void *block_addr,
- u32 length,
- struct pci_dev *dma_h,
- struct pci_dev *acc_handle)
-{
- struct __vxge_hw_blockpool *blockpool;
- struct __vxge_hw_blockpool_entry *entry = NULL;
- dma_addr_t dma_addr;
- enum vxge_hw_status status = VXGE_HW_OK;
- u32 req_out;
-
- blockpool = &devh->block_pool;
-
- if (block_addr == NULL) {
- blockpool->req_out--;
- status = VXGE_HW_FAIL;
- goto exit;
- }
-
- dma_addr = pci_map_single(devh->pdev, block_addr, length,
- PCI_DMA_BIDIRECTIONAL);
-
- if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) {
-
- vxge_os_dma_free(devh->pdev, block_addr, &acc_handle);
- blockpool->req_out--;
- status = VXGE_HW_FAIL;
- goto exit;
- }
-
-
- if (!list_empty(&blockpool->free_entry_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_entry_list,
- struct __vxge_hw_blockpool_entry,
- item);
-
- if (entry == NULL)
- entry = vmalloc(sizeof(struct __vxge_hw_blockpool_entry));
- else
- list_del(&entry->item);
-
- if (entry != NULL) {
- entry->length = length;
- entry->memblock = block_addr;
- entry->dma_addr = dma_addr;
- entry->acc_handle = acc_handle;
- entry->dma_handle = dma_h;
- list_add(&entry->item, &blockpool->free_block_list);
- blockpool->pool_size++;
- status = VXGE_HW_OK;
- } else
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
-
- blockpool->req_out--;
-
- req_out = blockpool->req_out;
-exit:
- return;
-}
-
-/*
- * __vxge_hw_blockpool_malloc - Allocate a memory block from pool
- * Allocates a block of memory of given size, either from block pool
- * or by calling vxge_os_dma_malloc()
- */
-static void *
-__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size,
- struct vxge_hw_mempool_dma *dma_object)
-{
- struct __vxge_hw_blockpool_entry *entry = NULL;
- struct __vxge_hw_blockpool *blockpool;
- void *memblock = NULL;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- blockpool = &devh->block_pool;
-
- if (size != blockpool->block_size) {
-
- memblock = vxge_os_dma_malloc(devh->pdev, size,
- &dma_object->handle,
- &dma_object->acc_handle);
-
- if (memblock == NULL) {
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto exit;
- }
-
- dma_object->addr = pci_map_single(devh->pdev, memblock, size,
- PCI_DMA_BIDIRECTIONAL);
-
- if (unlikely(pci_dma_mapping_error(devh->pdev,
- dma_object->addr))) {
- vxge_os_dma_free(devh->pdev, memblock,
- &dma_object->acc_handle);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto exit;
- }
-
- } else {
-
- if (!list_empty(&blockpool->free_block_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_block_list,
- struct __vxge_hw_blockpool_entry,
- item);
-
- if (entry != NULL) {
- list_del(&entry->item);
- dma_object->addr = entry->dma_addr;
- dma_object->handle = entry->dma_handle;
- dma_object->acc_handle = entry->acc_handle;
- memblock = entry->memblock;
-
- list_add(&entry->item,
- &blockpool->free_entry_list);
- blockpool->pool_size--;
- }
-
- if (memblock != NULL)
- __vxge_hw_blockpool_blocks_add(blockpool);
- }
-exit:
- return memblock;
-}
-
-/*
- * __vxge_hw_blockpool_free - Frees the memory allcoated with
- __vxge_hw_blockpool_malloc
- */
-static void
-__vxge_hw_blockpool_free(struct __vxge_hw_device *devh,
- void *memblock, u32 size,
- struct vxge_hw_mempool_dma *dma_object)
-{
- struct __vxge_hw_blockpool_entry *entry = NULL;
- struct __vxge_hw_blockpool *blockpool;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- blockpool = &devh->block_pool;
-
- if (size != blockpool->block_size) {
- pci_unmap_single(devh->pdev, dma_object->addr, size,
- PCI_DMA_BIDIRECTIONAL);
- vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle);
- } else {
-
- if (!list_empty(&blockpool->free_entry_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_entry_list,
- struct __vxge_hw_blockpool_entry,
- item);
-
- if (entry == NULL)
- entry = vmalloc(sizeof(
- struct __vxge_hw_blockpool_entry));
- else
- list_del(&entry->item);
-
- if (entry != NULL) {
- entry->length = size;
- entry->memblock = memblock;
- entry->dma_addr = dma_object->addr;
- entry->acc_handle = dma_object->acc_handle;
- entry->dma_handle = dma_object->handle;
- list_add(&entry->item,
- &blockpool->free_block_list);
- blockpool->pool_size++;
- status = VXGE_HW_OK;
- } else
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
-
- if (status == VXGE_HW_OK)
- __vxge_hw_blockpool_blocks_remove(blockpool);
- }
-}
-
-/*
- * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool
- * This function allocates a block from block pool or from the system
- */
-static struct __vxge_hw_blockpool_entry *
-__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size)
-{
- struct __vxge_hw_blockpool_entry *entry = NULL;
- struct __vxge_hw_blockpool *blockpool;
-
- blockpool = &devh->block_pool;
-
- if (size == blockpool->block_size) {
-
- if (!list_empty(&blockpool->free_block_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_block_list,
- struct __vxge_hw_blockpool_entry,
- item);
-
- if (entry != NULL) {
- list_del(&entry->item);
- blockpool->pool_size--;
- }
- }
-
- if (entry != NULL)
- __vxge_hw_blockpool_blocks_add(blockpool);
-
- return entry;
-}
-
-/*
- * __vxge_hw_blockpool_block_free - Frees a block from block pool
- * @devh: Hal device
- * @entry: Entry of block to be freed
- *
- * This function frees a block from block pool
- */
-static void
-__vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh,
- struct __vxge_hw_blockpool_entry *entry)
-{
- struct __vxge_hw_blockpool *blockpool;
-
- blockpool = &devh->block_pool;
-
- if (entry->length == blockpool->block_size) {
- list_add(&entry->item, &blockpool->free_block_list);
- blockpool->pool_size++;
- }
-
- __vxge_hw_blockpool_blocks_remove(blockpool);
-}