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fm10k: support Xen domain0

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fm10k was failing to run in XEN domain0, as the physical
memory for DMA should be allocated and translated
in a different way for XEN domain0. So
rte_memzone_reserve_bounded() should be used for DMA
memory allocation, and rte_mem_phy2mch() should be used
for DMA memory address translation to support running
fm10k PMD in XEN domain0.

Signed-off-by: Shaopeng He <shaopeng.he@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
This commit is contained in:
Shaopeng He 2015-05-15 16:56:02 +08:00 committed by Thomas Monjalon
parent 71d6dac903
commit 6ffefc4c8f
1 changed files with 8 additions and 0 deletions
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8
drivers/net/fm10k/fm10k_ethdev.c
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@ -1302,7 +1302,11 @@ fm10k_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
return (-ENOMEM);
}
q->hw_ring = mz->addr;
#ifdef RTE_LIBRTE_XEN_DOM0
q->hw_ring_phys_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
#else
q->hw_ring_phys_addr = mz->phys_addr;
#endif
dev->data->rx_queues[queue_id] = q;
return 0;
@ -1448,7 +1452,11 @@ fm10k_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
return (-ENOMEM);
}
q->hw_ring = mz->addr;
#ifdef RTE_LIBRTE_XEN_DOM0
q->hw_ring_phys_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
#else
q->hw_ring_phys_addr = mz->phys_addr;
#endif
/*
* allocate memory for the RS bit tracker. Enough slots to hold the