sfc: get the PF number and record in nic_data
Use MC_CMD_GET_FUNCTION_INFO to record the PF number in nic_data. This will be needed when assigned vports to VFs. Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -96,6 +96,24 @@ static unsigned int efx_ef10_mem_map_size(struct efx_nic *efx)
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return resource_size(&efx->pci_dev->resource[EFX_MEM_BAR]);
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}
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static int efx_ef10_get_pf_index(struct efx_nic *efx)
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{
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MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN);
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struct efx_ef10_nic_data *nic_data = efx->nic_data;
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size_t outlen;
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int rc;
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rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf,
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sizeof(outbuf), &outlen);
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if (rc)
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return rc;
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if (outlen < sizeof(outbuf))
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return -EIO;
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nic_data->pf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_PF);
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return 0;
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}
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static int efx_ef10_init_datapath_caps(struct efx_nic *efx)
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{
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MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_OUT_LEN);
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@ -240,6 +258,10 @@ static int efx_ef10_probe(struct efx_nic *efx)
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if (rc)
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goto fail3;
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rc = efx_ef10_get_pf_index(efx);
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if (rc)
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goto fail3;
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rc = efx_ef10_init_datapath_caps(efx);
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if (rc < 0)
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goto fail3;
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@ -495,6 +495,7 @@ enum {
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* @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
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* @vport_id: The function's vport ID, only relevant for PFs
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* @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
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* @pf_index: The number for this PF, or the parent PF if this is a VF
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*/
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struct efx_ef10_nic_data {
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struct efx_buffer mcdi_buf;
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@ -517,6 +518,7 @@ struct efx_ef10_nic_data {
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unsigned int tx_dpcpu_fw_id;
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unsigned int vport_id;
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bool must_probe_vswitching;
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unsigned int pf_index;
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};
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int efx_init_sriov(void);
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