Date: Mon, 2 Jan 2017 09:31:34 +0000 (UTC) From: Andrew Rybchenko <arybchik@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r311079 - stable/10/sys/dev/sfxge/common Message-ID: <201701020931.v029VY95005687@repo.freebsd.org>
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Author: arybchik Date: Mon Jan 2 09:31:34 2017 New Revision: 311079 URL: https://svnweb.freebsd.org/changeset/base/311079 Log: MFC r310746 sfxge(4): make the common code determine the number of PFs Submitted by: Ivan Malov <Ivan.Malov at oktetlabs.ru> Sponsored by: Solarflare Communications, Inc. Modified: stable/10/sys/dev/sfxge/common/ef10_nic.c stable/10/sys/dev/sfxge/common/efx.h stable/10/sys/dev/sfxge/common/siena_nic.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/sfxge/common/ef10_nic.c ============================================================================== --- stable/10/sys/dev/sfxge/common/ef10_nic.c Mon Jan 2 09:30:33 2017 (r311078) +++ stable/10/sys/dev/sfxge/common/ef10_nic.c Mon Jan 2 09:31:34 2017 (r311079) @@ -961,6 +961,50 @@ ef10_nic_pio_unlink( return (efx_mcdi_unlink_piobuf(enp, vi_index)); } +static __checkReturn efx_rc_t +ef10_mcdi_get_pf_count( + __in efx_nic_t *enp, + __out uint32_t *pf_countp) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_GET_PF_COUNT_IN_LEN, + MC_CMD_GET_PF_COUNT_OUT_LEN)]; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_GET_PF_COUNT; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_PF_COUNT_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_PF_COUNT_OUT_LEN; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_GET_PF_COUNT_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + *pf_countp = *MCDI_OUT(req, uint8_t, + MC_CMD_GET_PF_COUNT_OUT_PF_COUNT_OFST); + + EFSYS_ASSERT(*pf_countp != 0); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + __checkReturn efx_rc_t ef10_get_datapath_caps( __in efx_nic_t *enp) @@ -975,6 +1019,9 @@ ef10_get_datapath_caps( &tso2nc)) != 0) goto fail1; + if ((rc = ef10_mcdi_get_pf_count(enp, &encp->enc_hw_pf_count)) != 0) + goto fail1; + #define CAP_FLAG(flags1, field) \ ((flags1) & (1 << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## field ## _LBN))) Modified: stable/10/sys/dev/sfxge/common/efx.h ============================================================================== --- stable/10/sys/dev/sfxge/common/efx.h Mon Jan 2 09:30:33 2017 (r311078) +++ stable/10/sys/dev/sfxge/common/efx.h Mon Jan 2 09:31:34 2017 (r311079) @@ -1142,6 +1142,8 @@ typedef struct efx_nic_cfg_s { /* Number of TSO contexts on the NIC (FATSOv2) */ uint32_t enc_fw_assisted_tso_v2_n_contexts; boolean_t enc_hw_tx_insert_vlan_enabled; + /* Number of PFs on the NIC */ + uint32_t enc_hw_pf_count; /* Datapath firmware vadapter/vport/vswitch support */ boolean_t enc_datapath_cap_evb; boolean_t enc_rx_disable_scatter_supported; Modified: stable/10/sys/dev/sfxge/common/siena_nic.c ============================================================================== --- stable/10/sys/dev/sfxge/common/siena_nic.c Mon Jan 2 09:30:33 2017 (r311078) +++ stable/10/sys/dev/sfxge/common/siena_nic.c Mon Jan 2 09:31:34 2017 (r311079) @@ -105,6 +105,13 @@ siena_board_cfg( encp->enc_board_type = board_type; + /* + * There is no possibility to determine the number of PFs on Siena + * by issuing MCDI request, and it is not an easy task to find the + * value based on the board type, so 'enc_hw_pf_count' is set to 1 + */ + encp->enc_hw_pf_count = 1; + /* Additional capabilities */ encp->enc_clk_mult = 1; if (EFX_DWORD_FIELD(capabilities, MC_CMD_CAPABILITIES_TURBO)) {
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