Date: Wed, 20 Jan 2016 07:44:05 +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: r294378 - stable/10/sys/dev/sfxge/common Message-ID: <201601200744.u0K7i5NH024088@repo.freebsd.org>
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Author: arybchik Date: Wed Jan 20 07:44:05 2016 New Revision: 294378 URL: https://svnweb.freebsd.org/changeset/base/294378 Log: MFC r293888 sfxge: rework MCDI start request Submitted by: Andy Moreton <amoreton at solarflare.com> Reviewed by: gnn Sponsored by: Solarflare Communications, Inc. Modified: stable/10/sys/dev/sfxge/common/efx_impl.h stable/10/sys/dev/sfxge/common/efx_mcdi.c stable/10/sys/dev/sfxge/common/hunt_impl.h stable/10/sys/dev/sfxge/common/hunt_mcdi.c stable/10/sys/dev/sfxge/common/siena_impl.h stable/10/sys/dev/sfxge/common/siena_mcdi.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/sfxge/common/efx_impl.h ============================================================================== --- stable/10/sys/dev/sfxge/common/efx_impl.h Wed Jan 20 07:42:31 2016 (r294377) +++ stable/10/sys/dev/sfxge/common/efx_impl.h Wed Jan 20 07:44:05 2016 (r294378) @@ -457,8 +457,8 @@ falconsiena_filter_tbl_clear( typedef struct efx_mcdi_ops_s { efx_rc_t (*emco_init)(efx_nic_t *, const efx_mcdi_transport_t *); - void (*emco_request_copyin)(efx_nic_t *, efx_mcdi_req_t *, - unsigned int, boolean_t, boolean_t); + void (*emco_send_request)(efx_nic_t *, void *, size_t, + void *, size_t); void (*emco_request_copyout)(efx_nic_t *, efx_mcdi_req_t *); efx_rc_t (*emco_poll_reboot)(efx_nic_t *); boolean_t (*emco_poll_response)(efx_nic_t *); Modified: stable/10/sys/dev/sfxge/common/efx_mcdi.c ============================================================================== --- stable/10/sys/dev/sfxge/common/efx_mcdi.c Wed Jan 20 07:42:31 2016 (r294377) +++ stable/10/sys/dev/sfxge/common/efx_mcdi.c Wed Jan 20 07:44:05 2016 (r294378) @@ -36,12 +36,32 @@ __FBSDID("$FreeBSD$"); #if EFSYS_OPT_MCDI +/* + * There are three versions of the MCDI interface: + * - MCDIv0: Siena BootROM. Transport uses MCDIv1 headers. + * - MCDIv1: Siena firmware and Huntington BootROM. + * - MCDIv2: EF10 firmware (Huntington/Medford) and Medford BootROM. + * Transport uses MCDIv2 headers. + * + * MCDIv2 Header NOT_EPOCH flag + * ---------------------------- + * A new epoch begins at initial startup or after an MC reboot, and defines when + * the MC should reject stale MCDI requests. + * + * The first MCDI request sent by the host should contain NOT_EPOCH=0, and all + * subsequent requests (until the next MC reboot) should contain NOT_EPOCH=1. + * + * After rebooting the MC will fail all requests with NOT_EPOCH=1 by writing a + * response with ERROR=1 and DATALEN=0 until a request is seen with NOT_EPOCH=0. + */ + + #if EFSYS_OPT_SIENA static efx_mcdi_ops_t __efx_mcdi_siena_ops = { siena_mcdi_init, /* emco_init */ - siena_mcdi_request_copyin, /* emco_request_copyin */ + siena_mcdi_send_request, /* emco_send_request */ siena_mcdi_request_copyout, /* emco_request_copyout */ siena_mcdi_poll_reboot, /* emco_poll_reboot */ siena_mcdi_poll_response, /* emco_poll_response */ @@ -56,7 +76,7 @@ static efx_mcdi_ops_t __efx_mcdi_siena_o static efx_mcdi_ops_t __efx_mcdi_ef10_ops = { ef10_mcdi_init, /* emco_init */ - ef10_mcdi_request_copyin, /* emco_request_copyin */ + ef10_mcdi_send_request, /* emco_send_request */ ef10_mcdi_request_copyout, /* emco_request_copyout */ ef10_mcdi_poll_reboot, /* emco_poll_reboot */ ef10_mcdi_poll_response, /* emco_poll_response */ @@ -179,16 +199,16 @@ efx_mcdi_new_epoch( } static void -efx_mcdi_request_copyin( +efx_mcdi_send_request( __in efx_nic_t *enp, - __in efx_mcdi_req_t *emrp, - __in unsigned int seq, - __in boolean_t ev_cpl, - __in boolean_t new_epoch) + __in void *hdrp, + __in size_t hdr_len, + __in void *sdup, + __in size_t sdu_len) { efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; - emcop->emco_request_copyin(enp, emrp, seq, ev_cpl, new_epoch); + emcop->emco_send_request(enp, hdrp, hdr_len, sdup, sdu_len); } static void @@ -241,8 +261,15 @@ efx_mcdi_request_start( __in efx_mcdi_req_t *emrp, __in boolean_t ev_cpl) { +#if EFSYS_OPT_MCDI_LOGGING + const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; +#endif efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); + efx_dword_t hdr[2]; + size_t hdr_len; + unsigned int max_version; unsigned int seq; + unsigned int xflags; boolean_t new_epoch; int state; @@ -269,9 +296,60 @@ efx_mcdi_request_start( emip->emi_poll_cnt = 0; seq = emip->emi_seq++ & EFX_MASK32(MCDI_HEADER_SEQ); new_epoch = emip->emi_new_epoch; + max_version = emip->emi_max_version; EFSYS_UNLOCK(enp->en_eslp, state); - efx_mcdi_request_copyin(enp, emrp, seq, ev_cpl, new_epoch); + xflags = 0; + if (ev_cpl) + xflags |= MCDI_HEADER_XFLAGS_EVREQ; + + /* + * Huntington firmware supports MCDIv2, but the Huntington BootROM only + * supports MCDIv1. Use MCDIv1 headers for MCDIv1 commands where + * possible to support this. + */ + if ((max_version >= 2) && + ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) || + (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1))) { + /* Construct MCDI v2 header */ + hdr_len = sizeof (hdr); + EFX_POPULATE_DWORD_8(hdr[0], + MCDI_HEADER_CODE, MC_CMD_V2_EXTN, + MCDI_HEADER_RESYNC, 1, + MCDI_HEADER_DATALEN, 0, + MCDI_HEADER_SEQ, seq, + MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1, + MCDI_HEADER_ERROR, 0, + MCDI_HEADER_RESPONSE, 0, + MCDI_HEADER_XFLAGS, xflags); + + EFX_POPULATE_DWORD_2(hdr[1], + MC_CMD_V2_EXTN_IN_EXTENDED_CMD, emrp->emr_cmd, + MC_CMD_V2_EXTN_IN_ACTUAL_LEN, emrp->emr_in_length); + } else { + /* Construct MCDI v1 header */ + hdr_len = sizeof (hdr[0]); + EFX_POPULATE_DWORD_8(hdr[0], + MCDI_HEADER_CODE, emrp->emr_cmd, + MCDI_HEADER_RESYNC, 1, + MCDI_HEADER_DATALEN, emrp->emr_in_length, + MCDI_HEADER_SEQ, seq, + MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1, + MCDI_HEADER_ERROR, 0, + MCDI_HEADER_RESPONSE, 0, + MCDI_HEADER_XFLAGS, xflags); + } + +#if EFSYS_OPT_MCDI_LOGGING + if (emtp->emt_logger != NULL) { + emtp->emt_logger(emtp->emt_context, EFX_LOG_MCDI_REQUEST, + &hdr, hdr_len, + emrp->emr_in_buf, emrp->emr_in_length); + } +#endif /* EFSYS_OPT_MCDI_LOGGING */ + + efx_mcdi_send_request(enp, &hdr[0], hdr_len, + emrp->emr_in_buf, emrp->emr_in_length); } Modified: stable/10/sys/dev/sfxge/common/hunt_impl.h ============================================================================== --- stable/10/sys/dev/sfxge/common/hunt_impl.h Wed Jan 20 07:42:31 2016 (r294377) +++ stable/10/sys/dev/sfxge/common/hunt_impl.h Wed Jan 20 07:44:05 2016 (r294378) @@ -287,12 +287,12 @@ ef10_mcdi_fini( __in efx_nic_t *enp); extern void -ef10_mcdi_request_copyin( +ef10_mcdi_send_request( __in efx_nic_t *enp, - __in efx_mcdi_req_t *emrp, - __in unsigned int seq, - __in boolean_t ev_cpl, - __in boolean_t new_epoch); + __in void *hdrp, + __in size_t hdr_len, + __in void *sdup, + __in size_t sdu_len); extern __checkReturn boolean_t ef10_mcdi_poll_response( Modified: stable/10/sys/dev/sfxge/common/hunt_mcdi.c ============================================================================== --- stable/10/sys/dev/sfxge/common/hunt_mcdi.c Wed Jan 20 07:42:31 2016 (r294377) +++ stable/10/sys/dev/sfxge/common/hunt_mcdi.c Wed Jan 20 07:44:05 2016 (r294378) @@ -43,37 +43,6 @@ __FBSDID("$FreeBSD$"); #error "WITH_MCDI_V2 required for EF10 MCDIv2 commands." #endif -typedef enum efx_mcdi_header_type_e { - EFX_MCDI_HEADER_TYPE_V1, /* MCDIv0 (BootROM), MCDIv1 commands */ - EFX_MCDI_HEADER_TYPE_V2, /* MCDIv2 commands */ -} efx_mcdi_header_type_t; - -/* - * Return the header format to use for sending an MCDI request. - * - * An MCDIv1 (Siena compatible) command should use MCDIv2 encapsulation if the - * request input buffer or response output buffer are too large for the MCDIv1 - * format. An MCDIv2 command must always be sent using MCDIv2 encapsulation. - */ -#define EFX_MCDI_HEADER_TYPE(_cmd, _length) \ - ((((_cmd) & ~EFX_MASK32(MCDI_HEADER_CODE)) || \ - ((_length) & ~EFX_MASK32(MCDI_HEADER_DATALEN))) ? \ - EFX_MCDI_HEADER_TYPE_V2 : EFX_MCDI_HEADER_TYPE_V1) - - -/* - * MCDI Header NOT_EPOCH flag - * ========================== - * A new epoch begins at initial startup or after an MC reboot, and defines when - * the MC should reject stale MCDI requests. - * - * The first MCDI request sent by the host should contain NOT_EPOCH=0, and all - * subsequent requests (until the next MC reboot) should contain NOT_EPOCH=1. - * - * After rebooting the MC will fail all requests with NOT_EPOCH=1 by writing a - * response with ERROR=1 and DATALEN=0 until a request is seen with NOT_EPOCH=0. - */ - __checkReturn efx_rc_t ef10_mcdi_init( @@ -139,7 +108,7 @@ ef10_mcdi_fini( emip->emi_new_epoch = B_FALSE; } -static void + void ef10_mcdi_send_request( __in efx_nic_t *enp, __in void *hdrp, @@ -182,74 +151,6 @@ ef10_mcdi_send_request( } void -ef10_mcdi_request_copyin( - __in efx_nic_t *enp, - __in efx_mcdi_req_t *emrp, - __in unsigned int seq, - __in boolean_t ev_cpl, - __in boolean_t new_epoch) -{ -#if EFSYS_OPT_MCDI_LOGGING - const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; -#endif /* EFSYS_OPT_MCDI_LOGGING */ - efx_mcdi_header_type_t hdr_type; - efx_dword_t hdr[2]; - size_t hdr_len; - unsigned int xflags; - - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); - - xflags = 0; - if (ev_cpl) - xflags |= MCDI_HEADER_XFLAGS_EVREQ; - - hdr_type = EFX_MCDI_HEADER_TYPE(emrp->emr_cmd, - MAX(emrp->emr_in_length, emrp->emr_out_length)); - - if (hdr_type == EFX_MCDI_HEADER_TYPE_V2) { - /* Construct MCDI v2 header */ - hdr_len = sizeof (hdr); - EFX_POPULATE_DWORD_8(hdr[0], - MCDI_HEADER_CODE, MC_CMD_V2_EXTN, - MCDI_HEADER_RESYNC, 1, - MCDI_HEADER_DATALEN, 0, - MCDI_HEADER_SEQ, seq, - MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1, - MCDI_HEADER_ERROR, 0, - MCDI_HEADER_RESPONSE, 0, - MCDI_HEADER_XFLAGS, xflags); - - EFX_POPULATE_DWORD_2(hdr[1], - MC_CMD_V2_EXTN_IN_EXTENDED_CMD, emrp->emr_cmd, - MC_CMD_V2_EXTN_IN_ACTUAL_LEN, emrp->emr_in_length); - } else { - /* Construct MCDI v1 header */ - hdr_len = sizeof (hdr[0]); - EFX_POPULATE_DWORD_8(hdr[0], - MCDI_HEADER_CODE, emrp->emr_cmd, - MCDI_HEADER_RESYNC, 1, - MCDI_HEADER_DATALEN, emrp->emr_in_length, - MCDI_HEADER_SEQ, seq, - MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1, - MCDI_HEADER_ERROR, 0, - MCDI_HEADER_RESPONSE, 0, - MCDI_HEADER_XFLAGS, xflags); - } - -#if EFSYS_OPT_MCDI_LOGGING - if (emtp->emt_logger != NULL) { - emtp->emt_logger(emtp->emt_context, EFX_LOG_MCDI_REQUEST, - &hdr, hdr_len, - emrp->emr_in_buf, emrp->emr_in_length); - } -#endif /* EFSYS_OPT_MCDI_LOGGING */ - - ef10_mcdi_send_request(enp, &hdr[0], hdr_len, - emrp->emr_in_buf, emrp->emr_in_length); -} - - void ef10_mcdi_request_copyout( __in efx_nic_t *enp, __in efx_mcdi_req_t *emrp) Modified: stable/10/sys/dev/sfxge/common/siena_impl.h ============================================================================== --- stable/10/sys/dev/sfxge/common/siena_impl.h Wed Jan 20 07:42:31 2016 (r294377) +++ stable/10/sys/dev/sfxge/common/siena_impl.h Wed Jan 20 07:44:05 2016 (r294378) @@ -114,12 +114,12 @@ siena_mcdi_init( __in const efx_mcdi_transport_t *mtp); extern void -siena_mcdi_request_copyin( +siena_mcdi_send_request( __in efx_nic_t *enp, - __in efx_mcdi_req_t *emrp, - __in unsigned int seq, - __in boolean_t ev_cpl, - __in boolean_t new_epoch); + __in void *hdrp, + __in size_t hdr_len, + __in void *sdup, + __in size_t sdu_len); extern __checkReturn boolean_t siena_mcdi_poll_response( Modified: stable/10/sys/dev/sfxge/common/siena_mcdi.c ============================================================================== --- stable/10/sys/dev/sfxge/common/siena_mcdi.c Wed Jan 20 07:42:31 2016 (r294377) +++ stable/10/sys/dev/sfxge/common/siena_mcdi.c Wed Jan 20 07:44:05 2016 (r294378) @@ -52,7 +52,7 @@ __FBSDID("$FreeBSD$"); : MC_SMEM_P1_STATUS_OFST >> 2) -static void + void siena_mcdi_send_request( __in efx_nic_t *enp, __in void *hdrp, @@ -90,50 +90,6 @@ siena_mcdi_send_request( } void -siena_mcdi_request_copyin( - __in efx_nic_t *enp, - __in efx_mcdi_req_t *emrp, - __in unsigned int seq, - __in boolean_t ev_cpl, - __in boolean_t new_epoch) -{ -#if EFSYS_OPT_MCDI_LOGGING - const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; -#endif - efx_dword_t hdr; - size_t hdr_len; - unsigned int xflags; - - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA); - _NOTE(ARGUNUSED(new_epoch)) - - xflags = 0; - if (ev_cpl) - xflags |= MCDI_HEADER_XFLAGS_EVREQ; - - /* Construct the header */ - hdr_len = sizeof (hdr); - EFX_POPULATE_DWORD_6(hdr, - MCDI_HEADER_CODE, emrp->emr_cmd, - MCDI_HEADER_RESYNC, 1, - MCDI_HEADER_DATALEN, emrp->emr_in_length, - MCDI_HEADER_SEQ, seq, - MCDI_HEADER_RESPONSE, 0, - MCDI_HEADER_XFLAGS, xflags); - -#if EFSYS_OPT_MCDI_LOGGING - if (emtp->emt_logger != NULL) { - emtp->emt_logger(emtp->emt_context, EFX_LOG_MCDI_REQUEST, - &hdr, sizeof (hdr), - emrp->emr_in_buf, emrp->emr_in_length); - } -#endif /* EFSYS_OPT_MCDI_LOGGING */ - - siena_mcdi_send_request(enp, &hdr, hdr_len, - emrp->emr_in_buf, emrp->emr_in_length); -} - - void siena_mcdi_request_copyout( __in efx_nic_t *enp, __in efx_mcdi_req_t *emrp)
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