/** Initialise rte_comp_op mempool element */
static void
rte_comp_op_init(struct rte_mempool *mempool,
__rte_unused void *opaque_arg,
void *_op_data,
__rte_unused unsigned int i)
{
struct rte_comp_op *op = _op_data;
memset(_op_data, 0, mempool->elt_size);
op->status = RTE_COMP_OP_STATUS_NOT_PROCESSED;
op->iova_addr = rte_mem_virt2iova(_op_data);
op->mempool = mempool;
}
static int
add_guest_pages(struct virtio_net *dev, struct rte_vhost_mem_region *reg,
uint64_t page_size)
{
uint64_t reg_size = reg->size;
uint64_t host_user_addr = reg->host_user_addr;
uint64_t guest_phys_addr = reg->guest_phys_addr;
uint64_t host_phys_addr;
uint64_t size;
host_phys_addr = rte_mem_virt2iova((void *)(uintptr_t)host_user_addr);
size = page_size - (guest_phys_addr & (page_size - 1));
size = RTE_MIN(size, reg_size);
if (add_one_guest_page(dev, guest_phys_addr, host_phys_addr, size) < 0)
return -1;
host_user_addr += size;
guest_phys_addr += size;
reg_size -= size;
while (reg_size > 0) {
size = RTE_MIN(reg_size, page_size);
host_phys_addr = rte_mem_virt2iova((void *)(uintptr_t)
host_user_addr);
if (add_one_guest_page(dev, guest_phys_addr, host_phys_addr,
size) < 0)
return -1;
host_user_addr += size;
guest_phys_addr += size;
reg_size -= size;
}
return 0;
}
/*
* Allocates a completion ring with vmem and stats optionally also allocating
* a TX and/or RX ring. Passing NULL as tx_ring_info and/or rx_ring_info
* to not allocate them.
*
* Order in the allocation is:
* stats - Always non-zero length
* cp vmem - Always zero-length, supported for the bnxt_ring abstraction
* tx vmem - Only non-zero length if tx_ring_info is not NULL
* rx vmem - Only non-zero length if rx_ring_info is not NULL
* cp bd ring - Always non-zero length
* tx bd ring - Only non-zero length if tx_ring_info is not NULL
* rx bd ring - Only non-zero length if rx_ring_info is not NULL
*/
int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
struct bnxt_tx_ring_info *tx_ring_info,
struct bnxt_rx_ring_info *rx_ring_info,
struct bnxt_cp_ring_info *cp_ring_info,
const char *suffix)
{
struct bnxt_ring *cp_ring = cp_ring_info->cp_ring_struct;
struct bnxt_ring *tx_ring;
struct bnxt_ring *rx_ring;
struct rte_pci_device *pdev = bp->pdev;
const struct rte_memzone *mz = NULL;
char mz_name[RTE_MEMZONE_NAMESIZE];
rte_iova_t mz_phys_addr;
int sz;
int stats_len = (tx_ring_info || rx_ring_info) ?
RTE_CACHE_LINE_ROUNDUP(sizeof(struct ctx_hw_stats64)) : 0;
int cp_vmem_start = stats_len;
int cp_vmem_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size);
int tx_vmem_start = cp_vmem_start + cp_vmem_len;
int tx_vmem_len =
tx_ring_info ? RTE_CACHE_LINE_ROUNDUP(tx_ring_info->
tx_ring_struct->vmem_size) : 0;
int rx_vmem_start = tx_vmem_start + tx_vmem_len;
int rx_vmem_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->
rx_ring_struct->vmem_size) : 0;
int ag_vmem_start = 0;
int ag_vmem_len = 0;
int cp_ring_start = 0;
ag_vmem_start = rx_vmem_start + rx_vmem_len;
ag_vmem_len = rx_ring_info ? RTE_CACHE_LINE_ROUNDUP(
rx_ring_info->ag_ring_struct->vmem_size) : 0;
cp_ring_start = ag_vmem_start + ag_vmem_len;
int cp_ring_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->ring_size *
sizeof(struct cmpl_base));
int tx_ring_start = cp_ring_start + cp_ring_len;
int tx_ring_len = tx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(tx_ring_info->tx_ring_struct->ring_size *
sizeof(struct tx_bd_long)) : 0;
int rx_ring_start = tx_ring_start + tx_ring_len;
int rx_ring_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->rx_ring_struct->ring_size *
sizeof(struct rx_prod_pkt_bd)) : 0;
int ag_ring_start = rx_ring_start + rx_ring_len;
int ag_ring_len = rx_ring_len * AGG_RING_SIZE_FACTOR;
int ag_bitmap_start = ag_ring_start + ag_ring_len;
int ag_bitmap_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rte_bitmap_get_memory_footprint(
rx_ring_info->rx_ring_struct->ring_size *
AGG_RING_SIZE_FACTOR)) : 0;
int tpa_info_start = ag_bitmap_start + ag_bitmap_len;
int tpa_info_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(BNXT_TPA_MAX *
sizeof(struct bnxt_tpa_info)) : 0;
int total_alloc_len = tpa_info_start;
if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
total_alloc_len += tpa_info_len;
snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
"bnxt_%04x:%02x:%02x:%02x-%04x_%s", pdev->addr.domain,
pdev->addr.bus, pdev->addr.devid, pdev->addr.function, qidx,
suffix);
mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
mz = rte_memzone_lookup(mz_name);
if (!mz) {
mz = rte_memzone_reserve_aligned(mz_name, total_alloc_len,
SOCKET_ID_ANY,
RTE_MEMZONE_2MB |
RTE_MEMZONE_SIZE_HINT_ONLY,
getpagesize());
if (mz == NULL)
return -ENOMEM;
}
memset(mz->addr, 0, mz->len);
mz_phys_addr = mz->iova;
if ((unsigned long)mz->addr == mz_phys_addr) {
RTE_LOG(WARNING, PMD,
"Memzone physical address same as virtual.\n");
RTE_LOG(WARNING, PMD,
"Using rte_mem_virt2iova()\n");
for (sz = 0; sz < total_alloc_len; sz += getpagesize())
rte_mem_lock_page(((char *)mz->addr) + sz);
mz_phys_addr = rte_mem_virt2iova(mz->addr);
if (mz_phys_addr == 0) {
RTE_LOG(ERR, PMD,
"unable to map ring address to physical memory\n");
return -ENOMEM;
}
}
if (tx_ring_info) {
tx_ring = tx_ring_info->tx_ring_struct;
tx_ring->bd = ((char *)mz->addr + tx_ring_start);
tx_ring_info->tx_desc_ring = (struct tx_bd_long *)tx_ring->bd;
tx_ring->bd_dma = mz_phys_addr + tx_ring_start;
tx_ring_info->tx_desc_mapping = tx_ring->bd_dma;
tx_ring->mem_zone = (const void *)mz;
if (!tx_ring->bd)
return -ENOMEM;
if (tx_ring->vmem_size) {
tx_ring->vmem =
(void **)((char *)mz->addr + tx_vmem_start);
tx_ring_info->tx_buf_ring =
(struct bnxt_sw_tx_bd *)tx_ring->vmem;
}
}
if (rx_ring_info) {
rx_ring = rx_ring_info->rx_ring_struct;
rx_ring->bd = ((char *)mz->addr + rx_ring_start);
rx_ring_info->rx_desc_ring =
(struct rx_prod_pkt_bd *)rx_ring->bd;
rx_ring->bd_dma = mz_phys_addr + rx_ring_start;
rx_ring_info->rx_desc_mapping = rx_ring->bd_dma;
rx_ring->mem_zone = (const void *)mz;
if (!rx_ring->bd)
return -ENOMEM;
if (rx_ring->vmem_size) {
rx_ring->vmem =
(void **)((char *)mz->addr + rx_vmem_start);
rx_ring_info->rx_buf_ring =
(struct bnxt_sw_rx_bd *)rx_ring->vmem;
}
rx_ring = rx_ring_info->ag_ring_struct;
rx_ring->bd = ((char *)mz->addr + ag_ring_start);
rx_ring_info->ag_desc_ring =
(struct rx_prod_pkt_bd *)rx_ring->bd;
rx_ring->bd_dma = mz->iova + ag_ring_start;
rx_ring_info->ag_desc_mapping = rx_ring->bd_dma;
rx_ring->mem_zone = (const void *)mz;
if (!rx_ring->bd)
return -ENOMEM;
if (rx_ring->vmem_size) {
rx_ring->vmem =
(void **)((char *)mz->addr + ag_vmem_start);
rx_ring_info->ag_buf_ring =
(struct bnxt_sw_rx_bd *)rx_ring->vmem;
}
rx_ring_info->ag_bitmap =
rte_bitmap_init(rx_ring_info->rx_ring_struct->ring_size *
AGG_RING_SIZE_FACTOR, (uint8_t *)mz->addr +
ag_bitmap_start, ag_bitmap_len);
/* TPA info */
if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
rx_ring_info->tpa_info =
((struct bnxt_tpa_info *)((char *)mz->addr +
tpa_info_start));
}
cp_ring->bd = ((char *)mz->addr + cp_ring_start);
cp_ring->bd_dma = mz_phys_addr + cp_ring_start;
cp_ring_info->cp_desc_ring = cp_ring->bd;
cp_ring_info->cp_desc_mapping = cp_ring->bd_dma;
cp_ring->mem_zone = (const void *)mz;
if (!cp_ring->bd)
return -ENOMEM;
if (cp_ring->vmem_size)
*cp_ring->vmem = ((char *)mz->addr + stats_len);
if (stats_len) {
cp_ring_info->hw_stats = mz->addr;
cp_ring_info->hw_stats_map = mz_phys_addr;
}
cp_ring_info->hw_stats_ctx_id = HWRM_NA_SIGNATURE;
return 0;
}
