/*- * Copyright (c) 2012-2015 Solarflare Communications Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are * those of the authors and should not be interpreted as representing official * policies, either expressed or implied, of the FreeBSD Project. */ #include __FBSDID("$FreeBSD$"); #include "efsys.h" #include "efx.h" #include "efx_impl.h" #include "mcdi_mon.h" #if EFSYS_OPT_HUNTINGTON #include "ef10_tlv_layout.h" static __checkReturn int efx_mcdi_get_port_assignment( __in efx_nic_t *enp, __out uint32_t *portp) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_GET_PORT_ASSIGNMENT_IN_LEN, MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN)]; int rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON); (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_PORT_ASSIGNMENT; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_PORT_ASSIGNMENT_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_GET_PORT_ASSIGNMENT_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_PORT_ASSIGNMENT_OUT_LEN) { rc = EMSGSIZE; goto fail2; } *portp = MCDI_OUT_DWORD(req, GET_PORT_ASSIGNMENT_OUT_PORT); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_get_port_modes( __in efx_nic_t *enp, __out uint32_t *modesp) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_GET_PORT_MODES_IN_LEN, MC_CMD_GET_PORT_MODES_OUT_LEN)]; int rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON); (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_PORT_MODES; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_PORT_MODES_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_GET_PORT_MODES_OUT_LEN; efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } /* Accept pre-Medford size (8 bytes - no CurrentMode field) */ if (req.emr_out_length_used < MC_CMD_GET_PORT_MODES_OUT_CURRENT_MODE_OFST) { rc = EMSGSIZE; goto fail2; } *modesp = MCDI_OUT_DWORD(req, GET_PORT_MODES_OUT_MODES); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_vadaptor_alloc( __in efx_nic_t *enp, __in uint32_t port_id) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_VADAPTOR_ALLOC_IN_LEN, MC_CMD_VADAPTOR_ALLOC_OUT_LEN)]; int rc; EFSYS_ASSERT3U(enp->en_vport_id, ==, EVB_PORT_ID_NULL); (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_VADAPTOR_ALLOC; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_VADAPTOR_ALLOC_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_VADAPTOR_ALLOC_OUT_LEN; MCDI_IN_SET_DWORD(req, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_vadaptor_free( __in efx_nic_t *enp, __in uint32_t port_id) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_VADAPTOR_FREE_IN_LEN, MC_CMD_VADAPTOR_FREE_OUT_LEN)]; int rc; (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_VADAPTOR_FREE; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_VADAPTOR_FREE_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_VADAPTOR_FREE_OUT_LEN; MCDI_IN_SET_DWORD(req, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_get_mac_address_pf( __in efx_nic_t *enp, __out_ecount_opt(6) uint8_t mac_addrp[6]) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_GET_MAC_ADDRESSES_IN_LEN, MC_CMD_GET_MAC_ADDRESSES_OUT_LEN)]; int rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON); (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_MAC_ADDRESSES; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_MAC_ADDRESSES_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_GET_MAC_ADDRESSES_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_MAC_ADDRESSES_OUT_LEN) { rc = EMSGSIZE; goto fail2; } if (MCDI_OUT_DWORD(req, GET_MAC_ADDRESSES_OUT_MAC_COUNT) < 1) { rc = ENOENT; goto fail3; } if (mac_addrp != NULL) { uint8_t *addrp; addrp = MCDI_OUT2(req, uint8_t, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE); EFX_MAC_ADDR_COPY(mac_addrp, addrp); } return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_get_mac_address_vf( __in efx_nic_t *enp, __out_ecount_opt(6) uint8_t mac_addrp[6]) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN, MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMAX)]; int rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON); (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_VPORT_GET_MAC_ADDRESSES; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMAX; MCDI_IN_SET_DWORD(req, VPORT_GET_MAC_ADDRESSES_IN_VPORT_ID, EVB_PORT_ID_ASSIGNED); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } if (req.emr_out_length_used < MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMIN) { rc = EMSGSIZE; goto fail2; } if (MCDI_OUT_DWORD(req, VPORT_GET_MAC_ADDRESSES_OUT_MACADDR_COUNT) < 1) { rc = ENOENT; goto fail3; } if (mac_addrp != NULL) { uint8_t *addrp; addrp = MCDI_OUT2(req, uint8_t, VPORT_GET_MAC_ADDRESSES_OUT_MACADDR); EFX_MAC_ADDR_COPY(mac_addrp, addrp); } return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_get_clock( __in efx_nic_t *enp, __out uint32_t *sys_freqp) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_GET_CLOCK_IN_LEN, MC_CMD_GET_CLOCK_OUT_LEN)]; int rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON); (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_CLOCK; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_CLOCK_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_GET_CLOCK_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_CLOCK_OUT_LEN) { rc = EMSGSIZE; goto fail2; } *sys_freqp = MCDI_OUT_DWORD(req, GET_CLOCK_OUT_SYS_FREQ); if (*sys_freqp == 0) { rc = EINVAL; goto fail3; } return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_get_vector_cfg( __in efx_nic_t *enp, __out_opt uint32_t *vec_basep, __out_opt uint32_t *pf_nvecp, __out_opt uint32_t *vf_nvecp) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_GET_VECTOR_CFG_IN_LEN, MC_CMD_GET_VECTOR_CFG_OUT_LEN)]; int rc; (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_VECTOR_CFG; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_VECTOR_CFG_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_GET_VECTOR_CFG_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_VECTOR_CFG_OUT_LEN) { rc = EMSGSIZE; goto fail2; } if (vec_basep != NULL) *vec_basep = MCDI_OUT_DWORD(req, GET_VECTOR_CFG_OUT_VEC_BASE); if (pf_nvecp != NULL) *pf_nvecp = MCDI_OUT_DWORD(req, GET_VECTOR_CFG_OUT_VECS_PER_PF); if (vf_nvecp != NULL) *vf_nvecp = MCDI_OUT_DWORD(req, GET_VECTOR_CFG_OUT_VECS_PER_VF); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_get_capabilities( __in efx_nic_t *enp, __out efx_dword_t *flagsp) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN, MC_CMD_GET_CAPABILITIES_OUT_LEN)]; int rc; (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_CAPABILITIES; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_GET_CAPABILITIES_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_CAPABILITIES_OUT_LEN) { rc = EMSGSIZE; goto fail2; } *flagsp = *MCDI_OUT2(req, efx_dword_t, GET_CAPABILITIES_OUT_FLAGS1); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_alloc_vis( __in efx_nic_t *enp, __in uint32_t min_vi_count, __in uint32_t max_vi_count, __out_opt uint32_t *vi_basep, __out uint32_t *vi_countp) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_ALLOC_VIS_IN_LEN, MC_CMD_ALLOC_VIS_OUT_LEN)]; int rc; if (vi_countp == NULL) { rc = EINVAL; goto fail1; } (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_ALLOC_VIS; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_ALLOC_VIS_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_ALLOC_VIS_OUT_LEN; MCDI_IN_SET_DWORD(req, ALLOC_VIS_IN_MIN_VI_COUNT, min_vi_count); MCDI_IN_SET_DWORD(req, ALLOC_VIS_IN_MAX_VI_COUNT, max_vi_count); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail2; } if (req.emr_out_length_used < MC_CMD_ALLOC_VIS_OUT_LEN) { rc = EMSGSIZE; goto fail3; } if (vi_basep != NULL) *vi_basep = MCDI_OUT_DWORD(req, ALLOC_VIS_OUT_VI_BASE); if (vi_countp != NULL) *vi_countp = MCDI_OUT_DWORD(req, ALLOC_VIS_OUT_VI_COUNT); return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_free_vis( __in efx_nic_t *enp) { efx_mcdi_req_t req; int rc; EFX_STATIC_ASSERT(MC_CMD_FREE_VIS_IN_LEN == 0); EFX_STATIC_ASSERT(MC_CMD_FREE_VIS_OUT_LEN == 0); req.emr_cmd = MC_CMD_FREE_VIS; req.emr_in_buf = NULL; req.emr_in_length = 0; req.emr_out_buf = NULL; req.emr_out_length = 0; efx_mcdi_execute_quiet(enp, &req); /* Ignore ELREADY (no allocated VIs, so nothing to free) */ if ((req.emr_rc != 0) && (req.emr_rc != EALREADY)) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_alloc_piobuf( __in efx_nic_t *enp, __out efx_piobuf_handle_t *handlep) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_ALLOC_PIOBUF_IN_LEN, MC_CMD_ALLOC_PIOBUF_OUT_LEN)]; int rc; if (handlep == NULL) { rc = EINVAL; goto fail1; } (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_ALLOC_PIOBUF; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_ALLOC_PIOBUF_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_ALLOC_PIOBUF_OUT_LEN; efx_mcdi_execute_quiet(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail2; } if (req.emr_out_length_used < MC_CMD_ALLOC_PIOBUF_OUT_LEN) { rc = EMSGSIZE; goto fail3; } *handlep = MCDI_OUT_DWORD(req, ALLOC_PIOBUF_OUT_PIOBUF_HANDLE); return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_free_piobuf( __in efx_nic_t *enp, __out efx_piobuf_handle_t handle) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_FREE_PIOBUF_IN_LEN, MC_CMD_FREE_PIOBUF_OUT_LEN)]; int rc; (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_FREE_PIOBUF; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_FREE_PIOBUF_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_FREE_PIOBUF_OUT_LEN; MCDI_IN_SET_DWORD(req, FREE_PIOBUF_IN_PIOBUF_HANDLE, handle); efx_mcdi_execute_quiet(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_link_piobuf( __in efx_nic_t *enp, __in uint32_t vi_index, __in efx_piobuf_handle_t handle) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_LINK_PIOBUF_IN_LEN, MC_CMD_LINK_PIOBUF_OUT_LEN)]; int rc; (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_LINK_PIOBUF; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_LINK_PIOBUF_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_LINK_PIOBUF_OUT_LEN; MCDI_IN_SET_DWORD(req, LINK_PIOBUF_IN_PIOBUF_HANDLE, handle); MCDI_IN_SET_DWORD(req, LINK_PIOBUF_IN_TXQ_INSTANCE, vi_index); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int efx_mcdi_unlink_piobuf( __in efx_nic_t *enp, __in uint32_t vi_index) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_UNLINK_PIOBUF_IN_LEN, MC_CMD_UNLINK_PIOBUF_OUT_LEN)]; int rc; (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_UNLINK_PIOBUF; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_UNLINK_PIOBUF_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_UNLINK_PIOBUF_OUT_LEN; MCDI_IN_SET_DWORD(req, UNLINK_PIOBUF_IN_TXQ_INSTANCE, vi_index); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static void hunt_nic_alloc_piobufs( __in efx_nic_t *enp, __in uint32_t max_piobuf_count) { efx_piobuf_handle_t *handlep; unsigned int i; int rc; EFSYS_ASSERT3U(max_piobuf_count, <=, EFX_ARRAY_SIZE(enp->en_u.hunt.enu_piobuf_handle)); enp->en_u.hunt.enu_piobuf_count = 0; for (i = 0; i < max_piobuf_count; i++) { handlep = &enp->en_u.hunt.enu_piobuf_handle[i]; if ((rc = efx_mcdi_alloc_piobuf(enp, handlep)) != 0) goto fail1; enp->en_u.hunt.enu_pio_alloc_map[i] = 0; enp->en_u.hunt.enu_piobuf_count++; } return; fail1: for (i = 0; i < enp->en_u.hunt.enu_piobuf_count; i++) { handlep = &enp->en_u.hunt.enu_piobuf_handle[i]; efx_mcdi_free_piobuf(enp, *handlep); *handlep = EFX_PIOBUF_HANDLE_INVALID; } enp->en_u.hunt.enu_piobuf_count = 0; } static void hunt_nic_free_piobufs( __in efx_nic_t *enp) { efx_piobuf_handle_t *handlep; unsigned int i; for (i = 0; i < enp->en_u.hunt.enu_piobuf_count; i++) { handlep = &enp->en_u.hunt.enu_piobuf_handle[i]; efx_mcdi_free_piobuf(enp, *handlep); *handlep = EFX_PIOBUF_HANDLE_INVALID; } enp->en_u.hunt.enu_piobuf_count = 0; } /* Sub-allocate a block from a piobuf */ __checkReturn int hunt_nic_pio_alloc( __inout efx_nic_t *enp, __out uint32_t *bufnump, __out efx_piobuf_handle_t *handlep, __out uint32_t *blknump, __out uint32_t *offsetp, __out size_t *sizep) { efx_drv_cfg_t *edcp = &enp->en_drv_cfg; uint32_t blk_per_buf; uint32_t buf, blk; int rc; EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_HUNTINGTON); EFSYS_ASSERT(bufnump); EFSYS_ASSERT(handlep); EFSYS_ASSERT(blknump); EFSYS_ASSERT(offsetp); EFSYS_ASSERT(sizep); if ((edcp->edc_pio_alloc_size == 0) || (enp->en_u.hunt.enu_piobuf_count == 0)) { rc = ENOMEM; goto fail1; } blk_per_buf = HUNT_PIOBUF_SIZE / edcp->edc_pio_alloc_size; for (buf = 0; buf < enp->en_u.hunt.enu_piobuf_count; buf++) { uint32_t *map = &enp->en_u.hunt.enu_pio_alloc_map[buf]; if (~(*map) == 0) continue; EFSYS_ASSERT3U(blk_per_buf, <=, (8 * sizeof (*map))); for (blk = 0; blk < blk_per_buf; blk++) { if ((*map & (1u << blk)) == 0) { *map |= (1u << blk); goto done; } } } rc = ENOMEM; goto fail2; done: *handlep = enp->en_u.hunt.enu_piobuf_handle[buf]; *bufnump = buf; *blknump = blk; *sizep = edcp->edc_pio_alloc_size; *offsetp = blk * (*sizep); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } /* Free a piobuf sub-allocated block */ __checkReturn int hunt_nic_pio_free( __inout efx_nic_t *enp, __in uint32_t bufnum, __in uint32_t blknum) { uint32_t *map; int rc; if ((bufnum >= enp->en_u.hunt.enu_piobuf_count) || (blknum >= (8 * sizeof (*map)))) { rc = EINVAL; goto fail1; } map = &enp->en_u.hunt.enu_pio_alloc_map[bufnum]; if ((*map & (1u << blknum)) == 0) { rc = ENOENT; goto fail2; } *map &= ~(1u << blknum); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int hunt_nic_pio_link( __inout efx_nic_t *enp, __in uint32_t vi_index, __in efx_piobuf_handle_t handle) { return (efx_mcdi_link_piobuf(enp, vi_index, handle)); } __checkReturn int hunt_nic_pio_unlink( __inout efx_nic_t *enp, __in uint32_t vi_index) { return (efx_mcdi_unlink_piobuf(enp, vi_index)); } static __checkReturn int hunt_get_datapath_caps( __in efx_nic_t *enp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_dword_t datapath_capabilities; int rc; if ((rc = efx_mcdi_get_capabilities(enp, &datapath_capabilities)) != 0) goto fail1; /* * Huntington RXDP firmware inserts a 0 or 14 byte prefix. * We only support the 14 byte prefix here. */ if (MCDI_CMD_DWORD_FIELD(&datapath_capabilities, GET_CAPABILITIES_OUT_RX_PREFIX_LEN_14) != 1) { rc = ENOTSUP; goto fail2; } encp->enc_rx_prefix_size = 14; /* Check if the firmware supports TSO */ if (MCDI_CMD_DWORD_FIELD(&datapath_capabilities, GET_CAPABILITIES_OUT_TX_TSO) == 1) encp->enc_fw_assisted_tso_enabled = B_TRUE; else encp->enc_fw_assisted_tso_enabled = B_FALSE; /* Check if the firmware has vadapter/vport/vswitch support */ if (MCDI_CMD_DWORD_FIELD(&datapath_capabilities, GET_CAPABILITIES_OUT_EVB) == 1) encp->enc_datapath_cap_evb = B_TRUE; else encp->enc_datapath_cap_evb = B_FALSE; /* Check if the firmware supports VLAN insertion */ if (MCDI_CMD_DWORD_FIELD(&datapath_capabilities, GET_CAPABILITIES_OUT_TX_VLAN_INSERTION) == 1) encp->enc_hw_tx_insert_vlan_enabled = B_TRUE; else encp->enc_hw_tx_insert_vlan_enabled = B_FALSE; /* Check if the firmware supports RX event batching */ if (MCDI_CMD_DWORD_FIELD(&datapath_capabilities, GET_CAPABILITIES_OUT_RX_BATCHING) == 1) { encp->enc_rx_batching_enabled = B_TRUE; encp->enc_rx_batch_max = 16; } else { encp->enc_rx_batching_enabled = B_FALSE; } return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } /* * The external port mapping is a one-based numbering of the external * connectors on the board. It does not distinguish off-board separated * outputs such as multi-headed cables. * The number of ports that map to each external port connector * on the board is determined by the chip family and the port modes to * which the NIC can be configured. The mapping table lists modes with * port numbering requirements in increasing order. */ static struct { efx_family_t family; uint32_t modes_mask; uint32_t stride; } __hunt_external_port_mappings[] = { /* Supported modes requiring 1 output per port */ { EFX_FAMILY_HUNTINGTON, (1 << TLV_PORT_MODE_10G) | (1 << TLV_PORT_MODE_40G) | (1 << TLV_PORT_MODE_10G_10G) | (1 << TLV_PORT_MODE_40G_40G), 1 }, /* Supported modes requiring 2 outputs per port */ { EFX_FAMILY_HUNTINGTON, (1 << TLV_PORT_MODE_10G_10G_10G_10G) | (1 << TLV_PORT_MODE_40G_10G_10G) | (1 << TLV_PORT_MODE_10G_10G_40G), 2 } }; static __checkReturn int hunt_external_port_mapping( __in efx_nic_t *enp, __in uint32_t port, __out uint8_t *external_portp) { int rc; int i; uint32_t port_modes; uint32_t matches; uint32_t stride = 1; /* default 1-1 mapping */ if ((rc = efx_mcdi_get_port_modes(enp, &port_modes)) != 0) { /* No port mode information available - use default mapping */ goto out; } /* * Infer the internal port -> external port mapping from * the possible port modes for this NIC. */ for (i = 0; i < EFX_ARRAY_SIZE(__hunt_external_port_mappings); ++i) { if (__hunt_external_port_mappings[i].family != enp->en_family) continue; matches = (__hunt_external_port_mappings[i].modes_mask & port_modes); if (matches != 0) { stride = __hunt_external_port_mappings[i].stride; port_modes &= ~matches; } } if (port_modes != 0) { /* Some advertised modes are not supported */ rc = ENOTSUP; goto fail1; } out: /* * Scale as required by last matched mode and then convert to * one-based numbering */ *external_portp = (uint8_t)(port / stride) + 1; return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } static __checkReturn int hunt_board_cfg( __in efx_nic_t *enp) { efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); efx_nic_cfg_t *encp = &(enp->en_nic_cfg); uint8_t mac_addr[6]; uint32_t board_type = 0; hunt_link_state_t hls; efx_port_t *epp = &(enp->en_port); uint32_t port; uint32_t pf; uint32_t vf; uint32_t mask; uint32_t flags; uint32_t sysclk; uint32_t base, nvec; int rc; if ((rc = efx_mcdi_get_port_assignment(enp, &port)) != 0) goto fail1; /* * NOTE: The MCDI protocol numbers ports from zero. * The common code MCDI interface numbers ports from one. */ emip->emi_port = port + 1; if ((rc = hunt_external_port_mapping(enp, port, &encp->enc_external_port)) != 0) goto fail2; /* * Get PCIe function number from firmware (used for * per-function privilege and dynamic config info). * - PCIe PF: pf = PF number, vf = 0xffff. * - PCIe VF: pf = parent PF, vf = VF number. */ if ((rc = efx_mcdi_get_function_info(enp, &pf, &vf)) != 0) goto fail3; encp->enc_pf = pf; encp->enc_vf = vf; /* MAC address for this function */ if (EFX_PCI_FUNCTION_IS_PF(encp)) { rc = efx_mcdi_get_mac_address_pf(enp, mac_addr); } else { rc = efx_mcdi_get_mac_address_vf(enp, mac_addr); } if ((rc == 0) && (mac_addr[0] & 0x02)) { /* * If the static config does not include a global MAC address * pool then the board may return a locally administered MAC * address (this should only happen on incorrectly programmed * boards). */ rc = EINVAL; } if (rc != 0) goto fail4; EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr); /* Board configuration */ rc = efx_mcdi_get_board_cfg(enp, &board_type, NULL, NULL); if (rc != 0) { /* Unprivileged functions may not be able to read board cfg */ if (rc == EACCES) board_type = 0; else goto fail5; } encp->enc_board_type = board_type; encp->enc_clk_mult = 1; /* not used for Huntington */ /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */ if ((rc = efx_mcdi_get_phy_cfg(enp)) != 0) goto fail6; /* Obtain the default PHY advertised capabilities */ if ((rc = hunt_phy_get_link(enp, &hls)) != 0) goto fail7; epp->ep_default_adv_cap_mask = hls.hls_adv_cap_mask; epp->ep_adv_cap_mask = hls.hls_adv_cap_mask; /* * Enable firmware workarounds for hardware errata. * Expected responses are: * - 0 (zero): * Success: workaround enabled or disabled as requested. * - MC_CMD_ERR_ENOSYS (reported as ENOTSUP): * Firmware does not support the MC_CMD_WORKAROUND request. * (assume that the workaround is not supported). * - MC_CMD_ERR_ENOENT (reported as ENOENT): * Firmware does not support the requested workaround. * - MC_CMD_ERR_EPERM (reported as EACCES): * Unprivileged function cannot enable/disable workarounds. * * See efx_mcdi_request_errcode() for MCDI error translations. */ /* * If the bug35388 workaround is enabled, then use an indirect access * method to avoid unsafe EVQ writes. */ rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG35388, B_TRUE, NULL); if ((rc == 0) || (rc == EACCES)) encp->enc_bug35388_workaround = B_TRUE; else if ((rc == ENOTSUP) || (rc == ENOENT)) encp->enc_bug35388_workaround = B_FALSE; else goto fail8; /* * If the bug41750 workaround is enabled, then do not test interrupts, * as the test will fail (seen with Greenport controllers). */ rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG41750, B_TRUE, NULL); if (rc == 0) { encp->enc_bug41750_workaround = B_TRUE; } else if (rc == EACCES) { /* Assume a controller with 40G ports needs the workaround. */ if (epp->ep_default_adv_cap_mask & EFX_PHY_CAP_40000FDX) encp->enc_bug41750_workaround = B_TRUE; else encp->enc_bug41750_workaround = B_FALSE; } else if ((rc == ENOTSUP) || (rc == ENOENT)) { encp->enc_bug41750_workaround = B_FALSE; } else { goto fail9; } if (EFX_PCI_FUNCTION_IS_VF(encp)) { /* Interrupt testing does not work for VFs. See bug50084. */ encp->enc_bug41750_workaround = B_TRUE; } /* * If the bug26807 workaround is enabled, then firmware has enabled * support for chained multicast filters. Firmware will reset (FLR) * functions which have filters in the hardware filter table when the * workaround is enabled/disabled. * * We must recheck if the workaround is enabled after inserting the * first hardware filter, in case it has been changed since this check. */ rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG26807, B_TRUE, &flags); if (rc == 0) { encp->enc_bug26807_workaround = B_TRUE; if (flags & (1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN)) { /* * Other functions had installed filters before the * workaround was enabled, and they have been reset * by firmware. */ EFSYS_PROBE(bug26807_workaround_flr_done); /* FIXME: bump MC warm boot count ? */ } } else if (rc == EACCES) { /* * Unprivileged functions cannot enable the workaround in older * firmware. */ encp->enc_bug26807_workaround = B_FALSE; } else if ((rc == ENOTSUP) || (rc == ENOENT)) { encp->enc_bug26807_workaround = B_FALSE; } else { goto fail10; } /* Get sysclk frequency (in MHz). */ if ((rc = efx_mcdi_get_clock(enp, &sysclk)) != 0) goto fail11; /* * The timer quantum is 1536 sysclk cycles, documented for the * EV_TMR_VAL field of EV_TIMER_TBL. Scale for MHz and ns units. */ encp->enc_evq_timer_quantum_ns = 1536000UL / sysclk; /* 1536 cycles */ if (encp->enc_bug35388_workaround) { encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH) / 1000; } else { encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000; } /* Check capabilities of running datapath firmware */ if ((rc = hunt_get_datapath_caps(enp)) != 0) goto fail12; /* Alignment for receive packet DMA buffers */ encp->enc_rx_buf_align_start = 1; encp->enc_rx_buf_align_end = 64; /* RX DMA end padding */ /* Alignment for WPTR updates */ encp->enc_rx_push_align = HUNTINGTON_RX_WPTR_ALIGN; /* * Set resource limits for MC_CMD_ALLOC_VIS. Note that we cannot use * MC_CMD_GET_RESOURCE_LIMITS here as that reports the available * resources (allocated to this PCIe function), which is zero until * after we have allocated VIs. */ encp->enc_evq_limit = 1024; encp->enc_rxq_limit = EFX_RXQ_LIMIT_TARGET; encp->enc_txq_limit = EFX_TXQ_LIMIT_TARGET; encp->enc_buftbl_limit = 0xFFFFFFFF; encp->enc_piobuf_limit = HUNT_PIOBUF_NBUFS; encp->enc_piobuf_size = HUNT_PIOBUF_SIZE; /* * Get the current privilege mask. Note that this may be modified * dynamically, so this value is informational only. DO NOT use * the privilege mask to check for sufficient privileges, as that * can result in time-of-check/time-of-use bugs. */ if ((rc = efx_mcdi_privilege_mask(enp, pf, vf, &mask)) != 0) { if (rc != ENOTSUP) goto fail13; /* Fallback for old firmware without privilege mask support */ if (EFX_PCI_FUNCTION_IS_PF(encp)) { /* Assume PF has admin privilege */ mask = HUNT_LEGACY_PF_PRIVILEGE_MASK; } else { /* VF is always unprivileged by default */ mask = HUNT_LEGACY_VF_PRIVILEGE_MASK; } } encp->enc_privilege_mask = mask; /* Get interrupt vector limits */ if ((rc = efx_mcdi_get_vector_cfg(enp, &base, &nvec, NULL)) != 0) { if (EFX_PCI_FUNCTION_IS_PF(encp)) goto fail14; /* Ignore error (cannot query vector limits from a VF). */ base = 0; nvec = 1024; } encp->enc_intr_vec_base = base; encp->enc_intr_limit = nvec; /* * Maximum number of bytes into the frame the TCP header can start for * firmware assisted TSO to work. */ encp->enc_tx_tso_tcp_header_offset_limit = 208; return (0); fail14: EFSYS_PROBE(fail14); fail13: EFSYS_PROBE(fail13); fail12: EFSYS_PROBE(fail12); fail11: EFSYS_PROBE(fail11); fail10: EFSYS_PROBE(fail10); fail9: EFSYS_PROBE(fail9); fail8: EFSYS_PROBE(fail8); fail7: EFSYS_PROBE(fail7); fail6: EFSYS_PROBE(fail6); fail5: EFSYS_PROBE(fail5); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int hunt_nic_probe( __in efx_nic_t *enp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_drv_cfg_t *edcp = &(enp->en_drv_cfg); int rc; EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_HUNTINGTON); /* Read and clear any assertion state */ if ((rc = efx_mcdi_read_assertion(enp)) != 0) goto fail1; /* Exit the assertion handler */ if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0) if (rc != EACCES) goto fail2; if ((rc = efx_mcdi_drv_attach(enp, B_TRUE)) != 0) goto fail3; if ((rc = hunt_board_cfg(enp)) != 0) if (rc != EACCES) goto fail4; /* * Set default driver config limits (based on board config). * * FIXME: For now allocate a fixed number of VIs which is likely to be * sufficient and small enough to allow multiple functions on the same * port. */ edcp->edc_min_vi_count = edcp->edc_max_vi_count = MIN(128, MAX(encp->enc_rxq_limit, encp->enc_txq_limit)); /* The client driver must configure and enable PIO buffer support */ edcp->edc_max_piobuf_count = 0; edcp->edc_pio_alloc_size = 0; #if EFSYS_OPT_MAC_STATS /* Wipe the MAC statistics */ if ((rc = efx_mcdi_mac_stats_clear(enp)) != 0) goto fail5; #endif #if EFSYS_OPT_LOOPBACK if ((rc = efx_mcdi_get_loopback_modes(enp)) != 0) goto fail6; #endif #if EFSYS_OPT_MON_STATS if ((rc = mcdi_mon_cfg_build(enp)) != 0) { /* Unprivileged functions do not have access to sensors */ if (rc != EACCES) goto fail7; } #endif encp->enc_features = enp->en_features; return (0); #if EFSYS_OPT_MON_STATS fail7: EFSYS_PROBE(fail7); #endif #if EFSYS_OPT_LOOPBACK fail6: EFSYS_PROBE(fail6); #endif #if EFSYS_OPT_MAC_STATS fail5: EFSYS_PROBE(fail5); #endif fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int hunt_nic_set_drv_limits( __inout efx_nic_t *enp, __in efx_drv_limits_t *edlp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_drv_cfg_t *edcp = &(enp->en_drv_cfg); uint32_t min_evq_count, max_evq_count; uint32_t min_rxq_count, max_rxq_count; uint32_t min_txq_count, max_txq_count; int rc; if (edlp == NULL) { rc = EINVAL; goto fail1; } /* Get minimum required and maximum usable VI limits */ min_evq_count = MIN(edlp->edl_min_evq_count, encp->enc_evq_limit); min_rxq_count = MIN(edlp->edl_min_rxq_count, encp->enc_rxq_limit); min_txq_count = MIN(edlp->edl_min_txq_count, encp->enc_txq_limit); edcp->edc_min_vi_count = MAX(min_evq_count, MAX(min_rxq_count, min_txq_count)); max_evq_count = MIN(edlp->edl_max_evq_count, encp->enc_evq_limit); max_rxq_count = MIN(edlp->edl_max_rxq_count, encp->enc_rxq_limit); max_txq_count = MIN(edlp->edl_max_txq_count, encp->enc_txq_limit); edcp->edc_max_vi_count = MAX(max_evq_count, MAX(max_rxq_count, max_txq_count)); /* * Check limits for sub-allocated piobuf blocks. * PIO is optional, so don't fail if the limits are incorrect. */ if ((encp->enc_piobuf_size == 0) || (encp->enc_piobuf_limit == 0) || (edlp->edl_min_pio_alloc_size == 0) || (edlp->edl_min_pio_alloc_size > encp->enc_piobuf_size)) { /* Disable PIO */ edcp->edc_max_piobuf_count = 0; edcp->edc_pio_alloc_size = 0; } else { uint32_t blk_size, blk_count, blks_per_piobuf; blk_size = MAX(edlp->edl_min_pio_alloc_size, HUNT_MIN_PIO_ALLOC_SIZE); blks_per_piobuf = encp->enc_piobuf_size / blk_size; EFSYS_ASSERT3U(blks_per_piobuf, <=, 32); blk_count = (encp->enc_piobuf_limit * blks_per_piobuf); /* A zero max pio alloc count means unlimited */ if ((edlp->edl_max_pio_alloc_count > 0) && (edlp->edl_max_pio_alloc_count < blk_count)) { blk_count = edlp->edl_max_pio_alloc_count; } edcp->edc_pio_alloc_size = blk_size; edcp->edc_max_piobuf_count = (blk_count + (blks_per_piobuf - 1)) / blks_per_piobuf; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int hunt_nic_reset( __in efx_nic_t *enp) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_ENTITY_RESET_IN_LEN, MC_CMD_ENTITY_RESET_OUT_LEN)]; int rc; /* hunt_nic_reset() is called to recover from BADASSERT failures. */ if ((rc = efx_mcdi_read_assertion(enp)) != 0) goto fail1; if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0) goto fail2; (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_ENTITY_RESET; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_ENTITY_RESET_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_ENTITY_RESET_OUT_LEN; MCDI_IN_POPULATE_DWORD_1(req, ENTITY_RESET_IN_FLAG, ENTITY_RESET_IN_FUNCTION_RESOURCE_RESET, 1); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail3; } /* Clear RX/TX DMA queue errors */ enp->en_reset_flags &= ~(EFX_RESET_RXQ_ERR | EFX_RESET_TXQ_ERR); return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int hunt_nic_init( __in efx_nic_t *enp) { efx_drv_cfg_t *edcp = &(enp->en_drv_cfg); uint32_t min_vi_count, max_vi_count; uint32_t vi_count, vi_base; uint32_t i; int rc; EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_HUNTINGTON); /* Enable reporting of some events (e.g. link change) */ if ((rc = efx_mcdi_log_ctrl(enp)) != 0) goto fail1; /* Allocate (optional) on-chip PIO buffers */ hunt_nic_alloc_piobufs(enp, edcp->edc_max_piobuf_count); /* * For best performance, PIO writes should use a write-combined * (WC) memory mapping. Using a separate WC mapping for the PIO * aperture of each VI would be a burden to drivers (and not * possible if the host page size is >4Kbyte). * * To avoid this we use a single uncached (UC) mapping for VI * register access, and a single WC mapping for extra VIs used * for PIO writes. * * Each piobuf must be linked to a VI in the WC mapping, and to * each VI that is using a sub-allocated block from the piobuf. */ min_vi_count = edcp->edc_min_vi_count; max_vi_count = edcp->edc_max_vi_count + enp->en_u.hunt.enu_piobuf_count; /* Ensure that the previously attached driver's VIs are freed */ if ((rc = efx_mcdi_free_vis(enp)) != 0) goto fail2; /* * Reserve VI resources (EVQ+RXQ+TXQ) for this PCIe function. If this * fails then retrying the request for fewer VI resources may succeed. */ vi_count = 0; if ((rc = efx_mcdi_alloc_vis(enp, min_vi_count, max_vi_count, &vi_base, &vi_count)) != 0) goto fail3; EFSYS_PROBE2(vi_alloc, uint32_t, vi_base, uint32_t, vi_count); if (vi_count < min_vi_count) { rc = ENOMEM; goto fail4; } enp->en_u.hunt.enu_vi_base = vi_base; enp->en_u.hunt.enu_vi_count = vi_count; if (vi_count < min_vi_count + enp->en_u.hunt.enu_piobuf_count) { /* Not enough extra VIs to map piobufs */ hunt_nic_free_piobufs(enp); } enp->en_u.hunt.enu_pio_write_vi_base = vi_count - enp->en_u.hunt.enu_piobuf_count; /* Save UC memory mapping details */ enp->en_u.hunt.enu_uc_mem_map_offset = 0; if (enp->en_u.hunt.enu_piobuf_count > 0) { enp->en_u.hunt.enu_uc_mem_map_size = (ER_DZ_TX_PIOBUF_STEP * enp->en_u.hunt.enu_pio_write_vi_base); } else { enp->en_u.hunt.enu_uc_mem_map_size = (ER_DZ_TX_PIOBUF_STEP * enp->en_u.hunt.enu_vi_count); } /* Save WC memory mapping details */ enp->en_u.hunt.enu_wc_mem_map_offset = enp->en_u.hunt.enu_uc_mem_map_offset + enp->en_u.hunt.enu_uc_mem_map_size; enp->en_u.hunt.enu_wc_mem_map_size = (ER_DZ_TX_PIOBUF_STEP * enp->en_u.hunt.enu_piobuf_count); /* Link piobufs to extra VIs in WC mapping */ if (enp->en_u.hunt.enu_piobuf_count > 0) { for (i = 0; i < enp->en_u.hunt.enu_piobuf_count; i++) { rc = efx_mcdi_link_piobuf(enp, enp->en_u.hunt.enu_pio_write_vi_base + i, enp->en_u.hunt.enu_piobuf_handle[i]); if (rc != 0) break; } } /* Allocate a vAdapter attached to our upstream vPort/pPort */ if ((rc = efx_mcdi_vadaptor_alloc(enp, EVB_PORT_ID_ASSIGNED)) != 0) goto fail5; enp->en_vport_id = EVB_PORT_ID_ASSIGNED; return (0); fail5: EFSYS_PROBE(fail5); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); hunt_nic_free_piobufs(enp); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int hunt_nic_get_vi_pool( __in efx_nic_t *enp, __out uint32_t *vi_countp) { EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_HUNTINGTON); /* * Report VIs that the client driver can use. * Do not include VIs used for PIO buffer writes. */ *vi_countp = enp->en_u.hunt.enu_pio_write_vi_base; return (0); } __checkReturn int hunt_nic_get_bar_region( __in efx_nic_t *enp, __in efx_nic_region_t region, __out uint32_t *offsetp, __out size_t *sizep) { int rc; EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_HUNTINGTON); /* * TODO: Specify host memory mapping alignment and granularity * in efx_drv_limits_t so that they can be taken into account * when allocating extra VIs for PIO writes. */ switch (region) { case EFX_REGION_VI: /* UC mapped memory BAR region for VI registers */ *offsetp = enp->en_u.hunt.enu_uc_mem_map_offset; *sizep = enp->en_u.hunt.enu_uc_mem_map_size; break; case EFX_REGION_PIO_WRITE_VI: /* WC mapped memory BAR region for piobuf writes */ *offsetp = enp->en_u.hunt.enu_wc_mem_map_offset; *sizep = enp->en_u.hunt.enu_wc_mem_map_size; break; default: rc = EINVAL; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } void hunt_nic_fini( __in efx_nic_t *enp) { (void) efx_mcdi_vadaptor_free(enp, enp->en_vport_id); enp->en_vport_id = 0; /* FIXME: do we need to unlink piobufs ? */ hunt_nic_free_piobufs(enp); (void) efx_mcdi_free_vis(enp); enp->en_u.hunt.enu_vi_count = 0; } void hunt_nic_unprobe( __in efx_nic_t *enp) { #if EFSYS_OPT_MON_STATS mcdi_mon_cfg_free(enp); #endif /* EFSYS_OPT_MON_STATS */ (void) efx_mcdi_drv_attach(enp, B_FALSE); } #if EFSYS_OPT_DIAG __checkReturn int hunt_nic_register_test( __in efx_nic_t *enp) { int rc; /* FIXME */ _NOTE(ARGUNUSED(enp)) if (B_FALSE) { rc = ENOTSUP; goto fail1; } /* FIXME */ return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } #endif /* EFSYS_OPT_DIAG */ #endif /* EFSYS_OPT_HUNTINGTON */