diff options
Diffstat (limited to 'sys/dev/sfxge/common/hunt_mcdi.c')
| -rw-r--r-- | sys/dev/sfxge/common/hunt_mcdi.c | 145 |
1 files changed, 1 insertions, 144 deletions
diff --git a/sys/dev/sfxge/common/hunt_mcdi.c b/sys/dev/sfxge/common/hunt_mcdi.c index 1cccb23..f39e977 100644 --- a/sys/dev/sfxge/common/hunt_mcdi.c +++ b/sys/dev/sfxge/common/hunt_mcdi.c @@ -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, @@ -181,118 +150,6 @@ ef10_mcdi_send_request( EFX_BAR_WRITED(enp, ER_DZ_MC_DB_HWRD_REG, &dword, B_FALSE); } - 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) -{ -#if EFSYS_OPT_MCDI_LOGGING - const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; -#endif /* EFSYS_OPT_MCDI_LOGGING */ - efx_dword_t hdr[2]; - unsigned int hdr_len; - size_t bytes; - - if (emrp->emr_out_buf == NULL) - return; - - /* Read the command header to detect MCDI response format */ - hdr_len = sizeof (hdr[0]); - ef10_mcdi_read_response(enp, &hdr[0], 0, hdr_len); - if (EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE) == MC_CMD_V2_EXTN) { - /* - * Read the actual payload length. The length given in the event - * is only correct for responses with the V1 format. - */ - ef10_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1])); - hdr_len += sizeof (hdr[1]); - - emrp->emr_out_length_used = EFX_DWORD_FIELD(hdr[1], - MC_CMD_V2_EXTN_IN_ACTUAL_LEN); - } - - /* Copy payload out into caller supplied buffer */ - bytes = MIN(emrp->emr_out_length_used, emrp->emr_out_length); - ef10_mcdi_read_response(enp, emrp->emr_out_buf, hdr_len, bytes); - -#if EFSYS_OPT_MCDI_LOGGING - if (emtp->emt_logger != NULL) { - emtp->emt_logger(emtp->emt_context, - EFX_LOG_MCDI_RESPONSE, - &hdr, hdr_len, - emrp->emr_out_buf, bytes); - } -#endif /* EFSYS_OPT_MCDI_LOGGING */ -} - __checkReturn boolean_t ef10_mcdi_poll_response( __in efx_nic_t *enp) |
