Index: head/sys/dev/sfxge/common/hunt_vpd.c =================================================================== --- head/sys/dev/sfxge/common/hunt_vpd.c (revision 299344) +++ head/sys/dev/sfxge/common/hunt_vpd.c (revision 299345) @@ -1,463 +1,463 @@ /*- * Copyright (c) 2009-2015 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 "efx.h" #include "efx_impl.h" #if EFSYS_OPT_VPD #if EFSYS_OPT_HUNTINGTON #include "ef10_tlv_layout.h" __checkReturn efx_rc_t ef10_vpd_init( __in efx_nic_t *enp) { caddr_t svpd; size_t svpd_size; uint32_t pci_pf; uint32_t tag; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); if (enp->en_nic_cfg.enc_vpd_is_global) { tag = TLV_TAG_GLOBAL_STATIC_VPD; } else { pci_pf = enp->en_nic_cfg.enc_pf; tag = TLV_TAG_PF_STATIC_VPD(pci_pf); } /* * The VPD interface exposes VPD resources from the combined static and * dynamic VPD storage. As the static VPD configuration should *never* * change, we can cache it. */ svpd = NULL; svpd_size = 0; rc = ef10_nvram_partn_read_tlv(enp, NVRAM_PARTITION_TYPE_STATIC_CONFIG, tag, &svpd, &svpd_size); if (rc != 0) { if (rc == EACCES) { - /* Unpriviledged functions cannot access VPD */ + /* Unprivileged functions cannot access VPD */ goto out; } goto fail1; } if (svpd != NULL && svpd_size > 0) { if ((rc = efx_vpd_hunk_verify(svpd, svpd_size, NULL)) != 0) goto fail2; } enp->en_arch.ef10.ena_svpd = svpd; enp->en_arch.ef10.ena_svpd_length = svpd_size; out: return (0); fail2: EFSYS_PROBE(fail2); EFSYS_KMEM_FREE(enp->en_esip, svpd_size, svpd); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_vpd_size( __in efx_nic_t *enp, __out size_t *sizep) { efx_rc_t rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); /* * This function returns the total size the user should allocate * for all VPD operations. We've already cached the static vpd, * so we just need to return an upper bound on the dynamic vpd, * which is the size of the DYNAMIC_CONFIG partition. */ if ((rc = efx_mcdi_nvram_info(enp, NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, sizep, NULL, NULL, NULL)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_vpd_read( __in efx_nic_t *enp, __out_bcount(size) caddr_t data, __in size_t size) { caddr_t dvpd; size_t dvpd_size; uint32_t pci_pf; uint32_t tag; efx_rc_t rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); if (enp->en_nic_cfg.enc_vpd_is_global) { tag = TLV_TAG_GLOBAL_DYNAMIC_VPD; } else { pci_pf = enp->en_nic_cfg.enc_pf; tag = TLV_TAG_PF_DYNAMIC_VPD(pci_pf); } if ((rc = ef10_nvram_partn_read_tlv(enp, NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, tag, &dvpd, &dvpd_size)) != 0) goto fail1; if (dvpd_size > size) { rc = ENOSPC; goto fail2; } memcpy(data, dvpd, dvpd_size); /* Pad data with all-1s, consistent with update operations */ memset(data + dvpd_size, 0xff, size - dvpd_size); EFSYS_KMEM_FREE(enp->en_esip, dvpd_size, dvpd); return (0); fail2: EFSYS_PROBE(fail2); EFSYS_KMEM_FREE(enp->en_esip, dvpd_size, dvpd); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_vpd_verify( __in efx_nic_t *enp, __in_bcount(size) caddr_t data, __in size_t size) { efx_vpd_tag_t stag; efx_vpd_tag_t dtag; efx_vpd_keyword_t skey; efx_vpd_keyword_t dkey; unsigned int scont; unsigned int dcont; efx_rc_t rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); /* * Strictly you could take the view that dynamic vpd is optional. * Instead, to conform more closely to the read/verify/reinit() * paradigm, we require dynamic vpd. ef10_vpd_reinit() will * reinitialize it as required. */ if ((rc = efx_vpd_hunk_verify(data, size, NULL)) != 0) goto fail1; /* * Verify that there is no duplication between the static and * dynamic cfg sectors. */ if (enp->en_arch.ef10.ena_svpd_length == 0) goto done; dcont = 0; _NOTE(CONSTANTCONDITION) while (1) { if ((rc = efx_vpd_hunk_next(data, size, &dtag, &dkey, NULL, NULL, &dcont)) != 0) goto fail2; if (dcont == 0) break; /* * Skip the RV keyword. It should be present in both the static * and dynamic cfg sectors. */ if (dtag == EFX_VPD_RO && dkey == EFX_VPD_KEYWORD('R', 'V')) continue; scont = 0; _NOTE(CONSTANTCONDITION) while (1) { if ((rc = efx_vpd_hunk_next( enp->en_arch.ef10.ena_svpd, enp->en_arch.ef10.ena_svpd_length, &stag, &skey, NULL, NULL, &scont)) != 0) goto fail3; if (scont == 0) break; if (stag == dtag && skey == dkey) { rc = EEXIST; goto fail4; } } } done: return (0); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_vpd_reinit( __in efx_nic_t *enp, __in_bcount(size) caddr_t data, __in size_t size) { boolean_t wantpid; efx_rc_t rc; /* * Only create an ID string if the dynamic cfg doesn't have one */ if (enp->en_arch.ef10.ena_svpd_length == 0) wantpid = B_TRUE; else { unsigned int offset; uint8_t length; rc = efx_vpd_hunk_get(enp->en_arch.ef10.ena_svpd, enp->en_arch.ef10.ena_svpd_length, EFX_VPD_ID, 0, &offset, &length); if (rc == 0) wantpid = B_FALSE; else if (rc == ENOENT) wantpid = B_TRUE; else goto fail1; } if ((rc = efx_vpd_hunk_reinit(data, size, wantpid)) != 0) goto fail2; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_vpd_get( __in efx_nic_t *enp, __in_bcount(size) caddr_t data, __in size_t size, __inout efx_vpd_value_t *evvp) { unsigned int offset; uint8_t length; efx_rc_t rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); /* Attempt to satisfy the request from svpd first */ if (enp->en_arch.ef10.ena_svpd_length > 0) { if ((rc = efx_vpd_hunk_get(enp->en_arch.ef10.ena_svpd, enp->en_arch.ef10.ena_svpd_length, evvp->evv_tag, evvp->evv_keyword, &offset, &length)) == 0) { evvp->evv_length = length; memcpy(evvp->evv_value, enp->en_arch.ef10.ena_svpd + offset, length); return (0); } else if (rc != ENOENT) goto fail1; } /* And then from the provided data buffer */ if ((rc = efx_vpd_hunk_get(data, size, evvp->evv_tag, evvp->evv_keyword, &offset, &length)) != 0) goto fail2; evvp->evv_length = length; memcpy(evvp->evv_value, data + offset, length); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_vpd_set( __in efx_nic_t *enp, __in_bcount(size) caddr_t data, __in size_t size, __in efx_vpd_value_t *evvp) { efx_rc_t rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); /* If the provided (tag,keyword) exists in svpd, then it is readonly */ if (enp->en_arch.ef10.ena_svpd_length > 0) { unsigned int offset; uint8_t length; if ((rc = efx_vpd_hunk_get(enp->en_arch.ef10.ena_svpd, enp->en_arch.ef10.ena_svpd_length, evvp->evv_tag, evvp->evv_keyword, &offset, &length)) == 0) { rc = EACCES; goto fail1; } } if ((rc = efx_vpd_hunk_set(data, size, evvp)) != 0) goto fail2; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_vpd_next( __in efx_nic_t *enp, __in_bcount(size) caddr_t data, __in size_t size, __out efx_vpd_value_t *evvp, __inout unsigned int *contp) { _NOTE(ARGUNUSED(enp, data, size, evvp, contp)) return (ENOTSUP); } __checkReturn efx_rc_t ef10_vpd_write( __in efx_nic_t *enp, __in_bcount(size) caddr_t data, __in size_t size) { size_t vpd_length; uint32_t pci_pf; uint32_t tag; efx_rc_t rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); if (enp->en_nic_cfg.enc_vpd_is_global) { tag = TLV_TAG_GLOBAL_DYNAMIC_VPD; } else { pci_pf = enp->en_nic_cfg.enc_pf; tag = TLV_TAG_PF_DYNAMIC_VPD(pci_pf); } /* Determine total length of new dynamic VPD */ if ((rc = efx_vpd_hunk_length(data, size, &vpd_length)) != 0) goto fail1; /* Store new dynamic VPD in all segments in DYNAMIC_CONFIG partition */ if ((rc = ef10_nvram_partn_write_segment_tlv(enp, NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, tag, data, vpd_length, B_TRUE)) != 0) { goto fail2; } return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } void ef10_vpd_fini( __in efx_nic_t *enp) { EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); if (enp->en_arch.ef10.ena_svpd_length > 0) { EFSYS_KMEM_FREE(enp->en_esip, enp->en_arch.ef10.ena_svpd_length, enp->en_arch.ef10.ena_svpd); enp->en_arch.ef10.ena_svpd = NULL; enp->en_arch.ef10.ena_svpd_length = 0; } } #endif /* EFSYS_OPT_HUNTINGTON */ #endif /* EFSYS_OPT_VPD */