@@ -182,6 +182,62 @@ efx_nic_check_pcie_link_speed(
__in uint32_t pcie_link_gen,
__out efx_pcie_link_performance_t *resultp);
+#if EFSYS_OPT_MCDI
+
+typedef struct efx_mcdi_req_s efx_mcdi_req_t;
+
+typedef enum efx_mcdi_exception_e {
+ EFX_MCDI_EXCEPTION_MC_REBOOT,
+ EFX_MCDI_EXCEPTION_MC_BADASSERT,
+} efx_mcdi_exception_t;
+
+typedef struct efx_mcdi_transport_s {
+ void *emt_context;
+ efsys_mem_t *emt_dma_mem;
+ void (*emt_execute)(void *, efx_mcdi_req_t *);
+ void (*emt_ev_cpl)(void *);
+ void (*emt_exception)(void *, efx_mcdi_exception_t);
+} efx_mcdi_transport_t;
+
+extern __checkReturn efx_rc_t
+efx_mcdi_init(
+ __in efx_nic_t *enp,
+ __in const efx_mcdi_transport_t *mtp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_reboot(
+ __in efx_nic_t *enp);
+
+ void
+efx_mcdi_new_epoch(
+ __in efx_nic_t *enp);
+
+extern void
+efx_mcdi_get_timeout(
+ __in efx_nic_t *enp,
+ __in efx_mcdi_req_t *emrp,
+ __out uint32_t *usec_timeoutp);
+
+extern void
+efx_mcdi_request_start(
+ __in efx_nic_t *enp,
+ __in efx_mcdi_req_t *emrp,
+ __in boolean_t ev_cpl);
+
+extern __checkReturn boolean_t
+efx_mcdi_request_poll(
+ __in efx_nic_t *enp);
+
+extern __checkReturn boolean_t
+efx_mcdi_request_abort(
+ __in efx_nic_t *enp);
+
+extern void
+efx_mcdi_fini(
+ __in efx_nic_t *enp);
+
+#endif /* EFSYS_OPT_MCDI */
+
/* INTR */
#define EFX_NINTR_SIENA 1024
@@ -507,6 +563,9 @@ typedef struct efx_nic_cfg_s {
uint32_t enc_rx_prefix_size;
uint32_t enc_rx_buf_align_start;
uint32_t enc_rx_buf_align_end;
+#if EFSYS_OPT_MCDI
+ uint8_t enc_mcdi_mdio_channel;
+#endif /* EFSYS_OPT_MCDI */
boolean_t enc_bug26807_workaround;
boolean_t enc_bug35388_workaround;
boolean_t enc_bug41750_workaround;
@@ -72,6 +72,11 @@
# error "MAC_FALCON_XMAC is obsolete and is not supported."
#endif
+#if EFSYS_OPT_MCDI
+/* Support management controller messages */
+# error "MCDI requires SIENA or HUNTINGTON or MEDFORD"
+#endif /* EFSYS_OPT_MCDI */
+
#ifdef EFSYS_OPT_MON_LM87
# error "MON_LM87 is obsolete and is not supported."
#endif
@@ -270,6 +270,10 @@ efx_ev_qpoll(
EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRIVER_EV == FSE_AZ_EV_CODE_DRIVER_EV);
EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRV_GEN_EV ==
FSE_AZ_EV_CODE_DRV_GEN_EV);
+#if EFSYS_OPT_MCDI
+ EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_MCDI_EV ==
+ FSE_AZ_EV_CODE_MCDI_EVRESPONSE);
+#endif
EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC);
EFSYS_ASSERT(countp != NULL);
@@ -318,6 +322,12 @@ efx_ev_qpoll(
should_abort = eep->ee_drv_gen(eep,
&(ev[index]), eecp, arg);
break;
+#if EFSYS_OPT_MCDI
+ case FSE_AZ_EV_CODE_MCDI_EVRESPONSE:
+ should_abort = eep->ee_mcdi(eep,
+ &(ev[index]), eecp, arg);
+ break;
+#endif
case FSE_AZ_EV_CODE_GLOBAL_EV:
if (eep->ee_global) {
should_abort = eep->ee_global(eep,
@@ -279,6 +279,30 @@ typedef struct efx_filter_s {
#endif /* EFSYS_OPT_FILTER */
+#if EFSYS_OPT_MCDI
+
+typedef struct efx_mcdi_ops_s {
+ efx_rc_t (*emco_init)(efx_nic_t *, const efx_mcdi_transport_t *);
+ void (*emco_send_request)(efx_nic_t *, void *, size_t,
+ void *, size_t);
+ efx_rc_t (*emco_poll_reboot)(efx_nic_t *);
+ boolean_t (*emco_poll_response)(efx_nic_t *);
+ void (*emco_read_response)(efx_nic_t *, void *, size_t, size_t);
+ void (*emco_fini)(efx_nic_t *);
+ efx_rc_t (*emco_feature_supported)(efx_nic_t *,
+ efx_mcdi_feature_id_t, boolean_t *);
+ void (*emco_get_timeout)(efx_nic_t *, efx_mcdi_req_t *,
+ uint32_t *);
+} efx_mcdi_ops_t;
+
+typedef struct efx_mcdi_s {
+ const efx_mcdi_ops_t *em_emcop;
+ const efx_mcdi_transport_t *em_emtp;
+ efx_mcdi_iface_t em_emip;
+} efx_mcdi_t;
+
+#endif /* EFSYS_OPT_MCDI */
+
typedef struct efx_drv_cfg_s {
uint32_t edc_min_vi_count;
uint32_t edc_max_vi_count;
@@ -312,6 +336,9 @@ struct efx_nic_s {
efx_filter_t en_filter;
const efx_filter_ops_t *en_efop;
#endif /* EFSYS_OPT_FILTER */
+#if EFSYS_OPT_MCDI
+ efx_mcdi_t en_mcdi;
+#endif /* EFSYS_OPT_MCDI */
uint32_t en_vport_id;
union {
int enu_unused;
@@ -341,6 +368,9 @@ struct efx_evq_s {
efx_ev_handler_t ee_driver;
efx_ev_handler_t ee_global;
efx_ev_handler_t ee_drv_gen;
+#if EFSYS_OPT_MCDI
+ efx_ev_handler_t ee_mcdi;
+#endif /* EFSYS_OPT_MCDI */
efx_evq_rxq_state_t ee_rxq_state[EFX_EV_RX_NLABELS];
@@ -689,6 +719,23 @@ extern void
efx_phy_unprobe(
__in efx_nic_t *enp);
+#if EFSYS_OPT_MCDI
+
+extern __checkReturn efx_rc_t
+efx_mcdi_set_workaround(
+ __in efx_nic_t *enp,
+ __in uint32_t type,
+ __in boolean_t enabled,
+ __out_opt uint32_t *flagsp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_get_workarounds(
+ __in efx_nic_t *enp,
+ __out_opt uint32_t *implementedp,
+ __out_opt uint32_t *enabledp);
+
+#endif /* EFSYS_OPT_MCDI */
+
#ifdef __cplusplus
}
#endif
new file mode 100644
@@ -0,0 +1,1725 @@
+/*
+ * Copyright (c) 2008-2016 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 "efx.h"
+#include "efx_impl.h"
+
+#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.
+ */
+
+
+
+ __checkReturn efx_rc_t
+efx_mcdi_init(
+ __in efx_nic_t *enp,
+ __in const efx_mcdi_transport_t *emtp)
+{
+ const efx_mcdi_ops_t *emcop;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, ==, 0);
+
+ switch (enp->en_family) {
+
+ default:
+ EFSYS_ASSERT(0);
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ if (enp->en_features & EFX_FEATURE_MCDI_DMA) {
+ /* MCDI requires a DMA buffer in host memory */
+ if ((emtp == NULL) || (emtp->emt_dma_mem) == NULL) {
+ rc = EINVAL;
+ goto fail2;
+ }
+ }
+ enp->en_mcdi.em_emtp = emtp;
+
+ if (emcop != NULL && emcop->emco_init != NULL) {
+ if ((rc = emcop->emco_init(enp, emtp)) != 0)
+ goto fail3;
+ }
+
+ enp->en_mcdi.em_emcop = emcop;
+ enp->en_mod_flags |= EFX_MOD_MCDI;
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ enp->en_mcdi.em_emcop = NULL;
+ enp->en_mcdi.em_emtp = NULL;
+ enp->en_mod_flags &= ~EFX_MOD_MCDI;
+
+ return (rc);
+}
+
+ void
+efx_mcdi_fini(
+ __in efx_nic_t *enp)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, ==, EFX_MOD_MCDI);
+
+ if (emcop != NULL && emcop->emco_fini != NULL)
+ emcop->emco_fini(enp);
+
+ emip->emi_port = 0;
+ emip->emi_aborted = 0;
+
+ enp->en_mcdi.em_emcop = NULL;
+ enp->en_mod_flags &= ~EFX_MOD_MCDI;
+}
+
+ void
+efx_mcdi_new_epoch(
+ __in efx_nic_t *enp)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ efsys_lock_state_t state;
+
+ /* Start a new epoch (allow fresh MCDI requests to succeed) */
+ EFSYS_LOCK(enp->en_eslp, state);
+ emip->emi_new_epoch = B_TRUE;
+ EFSYS_UNLOCK(enp->en_eslp, state);
+}
+
+static void
+efx_mcdi_send_request(
+ __in efx_nic_t *enp,
+ __in void *hdrp,
+ __in size_t hdr_len,
+ __in void *sdup,
+ __in size_t sdu_len)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+
+ emcop->emco_send_request(enp, hdrp, hdr_len, sdup, sdu_len);
+}
+
+static efx_rc_t
+efx_mcdi_poll_reboot(
+ __in efx_nic_t *enp)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+ efx_rc_t rc;
+
+ rc = emcop->emco_poll_reboot(enp);
+ return (rc);
+}
+
+static boolean_t
+efx_mcdi_poll_response(
+ __in efx_nic_t *enp)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+ boolean_t available;
+
+ available = emcop->emco_poll_response(enp);
+ return (available);
+}
+
+static void
+efx_mcdi_read_response(
+ __in efx_nic_t *enp,
+ __out void *bufferp,
+ __in size_t offset,
+ __in size_t length)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+
+ emcop->emco_read_response(enp, bufferp, offset, length);
+}
+
+ void
+efx_mcdi_request_start(
+ __in efx_nic_t *enp,
+ __in efx_mcdi_req_t *emrp,
+ __in boolean_t ev_cpl)
+{
+ 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;
+ efsys_lock_state_t state;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
+ EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
+
+ /*
+ * efx_mcdi_request_start() is naturally serialised against both
+ * efx_mcdi_request_poll() and efx_mcdi_ev_cpl()/efx_mcdi_ev_death(),
+ * by virtue of there only being one outstanding MCDI request.
+ * Unfortunately, upper layers may also call efx_mcdi_request_abort()
+ * at any time, to timeout a pending mcdi request, That request may
+ * then subsequently complete, meaning efx_mcdi_ev_cpl() or
+ * efx_mcdi_ev_death() may end up running in parallel with
+ * efx_mcdi_request_start(). This race is handled by ensuring that
+ * %emi_pending_req, %emi_ev_cpl and %emi_seq are protected by the
+ * en_eslp lock.
+ */
+ EFSYS_LOCK(enp->en_eslp, state);
+ EFSYS_ASSERT(emip->emi_pending_req == NULL);
+ emip->emi_pending_req = emrp;
+ emip->emi_ev_cpl = ev_cpl;
+ 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);
+
+ 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);
+ }
+
+ efx_mcdi_send_request(enp, &hdr[0], hdr_len,
+ emrp->emr_in_buf, emrp->emr_in_length);
+}
+
+
+static void
+efx_mcdi_read_response_header(
+ __in efx_nic_t *enp,
+ __inout efx_mcdi_req_t *emrp)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ efx_dword_t hdr[2];
+ unsigned int hdr_len;
+ unsigned int data_len;
+ unsigned int seq;
+ unsigned int cmd;
+ unsigned int error;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT(emrp != NULL);
+
+ efx_mcdi_read_response(enp, &hdr[0], 0, sizeof (hdr[0]));
+ hdr_len = sizeof (hdr[0]);
+
+ cmd = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE);
+ seq = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_SEQ);
+ error = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_ERROR);
+
+ if (cmd != MC_CMD_V2_EXTN) {
+ data_len = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_DATALEN);
+ } else {
+ efx_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1]));
+ hdr_len += sizeof (hdr[1]);
+
+ cmd = EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_EXTENDED_CMD);
+ data_len =
+ EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_ACTUAL_LEN);
+ }
+
+ if (error && (data_len == 0)) {
+ /* The MC has rebooted since the request was sent. */
+ EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
+ efx_mcdi_poll_reboot(enp);
+ rc = EIO;
+ goto fail1;
+ }
+ if ((cmd != emrp->emr_cmd) ||
+ (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) {
+ /* Response is for a different request */
+ rc = EIO;
+ goto fail2;
+ }
+ if (error) {
+ efx_dword_t err[2];
+ unsigned int err_len = MIN(data_len, sizeof (err));
+ int err_code = MC_CMD_ERR_EPROTO;
+ int err_arg = 0;
+
+ /* Read error code (and arg num for MCDI v2 commands) */
+ efx_mcdi_read_response(enp, &err, hdr_len, err_len);
+
+ if (err_len >= (MC_CMD_ERR_CODE_OFST + sizeof (efx_dword_t)))
+ err_code = EFX_DWORD_FIELD(err[0], EFX_DWORD_0);
+#ifdef WITH_MCDI_V2
+ if (err_len >= (MC_CMD_ERR_ARG_OFST + sizeof (efx_dword_t)))
+ err_arg = EFX_DWORD_FIELD(err[1], EFX_DWORD_0);
+#endif
+ emrp->emr_err_code = err_code;
+ emrp->emr_err_arg = err_arg;
+
+ if (!emrp->emr_quiet) {
+ EFSYS_PROBE3(mcdi_err_arg, int, emrp->emr_cmd,
+ int, err_code, int, err_arg);
+ }
+
+ rc = efx_mcdi_request_errcode(err_code);
+ goto fail3;
+ }
+
+ emrp->emr_rc = 0;
+ emrp->emr_out_length_used = data_len;
+ return;
+
+fail3:
+fail2:
+fail1:
+ emrp->emr_rc = rc;
+ emrp->emr_out_length_used = 0;
+}
+
+static void
+efx_mcdi_finish_response(
+ __in efx_nic_t *enp,
+ __in efx_mcdi_req_t *emrp)
+{
+ 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]);
+ efx_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.
+ */
+ efx_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);
+ efx_mcdi_read_response(enp, emrp->emr_out_buf, hdr_len, bytes);
+
+}
+
+
+ __checkReturn boolean_t
+efx_mcdi_request_poll(
+ __in efx_nic_t *enp)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ efx_mcdi_req_t *emrp;
+ efsys_lock_state_t state;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
+ EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
+
+ /* Serialise against post-watchdog efx_mcdi_ev* */
+ EFSYS_LOCK(enp->en_eslp, state);
+
+ EFSYS_ASSERT(emip->emi_pending_req != NULL);
+ EFSYS_ASSERT(!emip->emi_ev_cpl);
+ emrp = emip->emi_pending_req;
+
+ /* Check for reboot atomically w.r.t efx_mcdi_request_start */
+ if (emip->emi_poll_cnt++ == 0) {
+ if ((rc = efx_mcdi_poll_reboot(enp)) != 0) {
+ emip->emi_pending_req = NULL;
+ EFSYS_UNLOCK(enp->en_eslp, state);
+
+ /* Reboot/Assertion */
+ if (rc == EIO || rc == EINTR)
+ efx_mcdi_raise_exception(enp, emrp, rc);
+
+ goto fail1;
+ }
+ }
+
+ /* Check if a response is available */
+ if (efx_mcdi_poll_response(enp) == B_FALSE) {
+ EFSYS_UNLOCK(enp->en_eslp, state);
+ return (B_FALSE);
+ }
+
+ /* Read the response header */
+ efx_mcdi_read_response_header(enp, emrp);
+
+ /* Request complete */
+ emip->emi_pending_req = NULL;
+
+ /* Ensure stale MCDI requests fail after an MC reboot. */
+ emip->emi_new_epoch = B_FALSE;
+
+ EFSYS_UNLOCK(enp->en_eslp, state);
+
+ if ((rc = emrp->emr_rc) != 0)
+ goto fail2;
+
+ efx_mcdi_finish_response(enp, emrp);
+ return (B_TRUE);
+
+fail2:
+ if (!emrp->emr_quiet)
+ EFSYS_PROBE(fail2);
+fail1:
+ if (!emrp->emr_quiet)
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (B_TRUE);
+}
+
+ __checkReturn boolean_t
+efx_mcdi_request_abort(
+ __in efx_nic_t *enp)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ efx_mcdi_req_t *emrp;
+ boolean_t aborted;
+ efsys_lock_state_t state;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
+ EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
+
+ /*
+ * efx_mcdi_ev_* may have already completed this event, and be
+ * spinning/blocked on the upper layer lock. So it *is* legitimate
+ * to for emi_pending_req to be NULL. If there is a pending event
+ * completed request, then provide a "credit" to allow
+ * efx_mcdi_ev_cpl() to accept a single spurious completion.
+ */
+ EFSYS_LOCK(enp->en_eslp, state);
+ emrp = emip->emi_pending_req;
+ aborted = (emrp != NULL);
+ if (aborted) {
+ emip->emi_pending_req = NULL;
+
+ /* Error the request */
+ emrp->emr_out_length_used = 0;
+ emrp->emr_rc = ETIMEDOUT;
+
+ /* Provide a credit for seqno/emr_pending_req mismatches */
+ if (emip->emi_ev_cpl)
+ ++emip->emi_aborted;
+
+ /*
+ * The upper layer has called us, so we don't
+ * need to complete the request.
+ */
+ }
+ EFSYS_UNLOCK(enp->en_eslp, state);
+
+ return (aborted);
+}
+
+ void
+efx_mcdi_get_timeout(
+ __in efx_nic_t *enp,
+ __in efx_mcdi_req_t *emrp,
+ __out uint32_t *timeoutp)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+
+ emcop->emco_get_timeout(enp, emrp, timeoutp);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_request_errcode(
+ __in unsigned int err)
+{
+
+ switch (err) {
+ /* MCDI v1 */
+ case MC_CMD_ERR_EPERM:
+ return (EACCES);
+ case MC_CMD_ERR_ENOENT:
+ return (ENOENT);
+ case MC_CMD_ERR_EINTR:
+ return (EINTR);
+ case MC_CMD_ERR_EACCES:
+ return (EACCES);
+ case MC_CMD_ERR_EBUSY:
+ return (EBUSY);
+ case MC_CMD_ERR_EINVAL:
+ return (EINVAL);
+ case MC_CMD_ERR_EDEADLK:
+ return (EDEADLK);
+ case MC_CMD_ERR_ENOSYS:
+ return (ENOTSUP);
+ case MC_CMD_ERR_ETIME:
+ return (ETIMEDOUT);
+ case MC_CMD_ERR_ENOTSUP:
+ return (ENOTSUP);
+ case MC_CMD_ERR_EALREADY:
+ return (EALREADY);
+
+ /* MCDI v2 */
+ case MC_CMD_ERR_EEXIST:
+ return (EEXIST);
+#ifdef MC_CMD_ERR_EAGAIN
+ case MC_CMD_ERR_EAGAIN:
+ return (EAGAIN);
+#endif
+#ifdef MC_CMD_ERR_ENOSPC
+ case MC_CMD_ERR_ENOSPC:
+ return (ENOSPC);
+#endif
+ case MC_CMD_ERR_ERANGE:
+ return (ERANGE);
+
+ case MC_CMD_ERR_ALLOC_FAIL:
+ return (ENOMEM);
+ case MC_CMD_ERR_NO_VADAPTOR:
+ return (ENOENT);
+ case MC_CMD_ERR_NO_EVB_PORT:
+ return (ENOENT);
+ case MC_CMD_ERR_NO_VSWITCH:
+ return (ENODEV);
+ case MC_CMD_ERR_VLAN_LIMIT:
+ return (EINVAL);
+ case MC_CMD_ERR_BAD_PCI_FUNC:
+ return (ENODEV);
+ case MC_CMD_ERR_BAD_VLAN_MODE:
+ return (EINVAL);
+ case MC_CMD_ERR_BAD_VSWITCH_TYPE:
+ return (EINVAL);
+ case MC_CMD_ERR_BAD_VPORT_TYPE:
+ return (EINVAL);
+ case MC_CMD_ERR_MAC_EXIST:
+ return (EEXIST);
+
+ case MC_CMD_ERR_PROXY_PENDING:
+ return (EAGAIN);
+
+ default:
+ EFSYS_PROBE1(mc_pcol_error, int, err);
+ return (EIO);
+ }
+}
+
+ void
+efx_mcdi_raise_exception(
+ __in efx_nic_t *enp,
+ __in_opt efx_mcdi_req_t *emrp,
+ __in int rc)
+{
+ const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
+ efx_mcdi_exception_t exception;
+
+ /* Reboot or Assertion failure only */
+ EFSYS_ASSERT(rc == EIO || rc == EINTR);
+
+ /*
+ * If MC_CMD_REBOOT causes a reboot (dependent on parameters),
+ * then the EIO is not worthy of an exception.
+ */
+ if (emrp != NULL && emrp->emr_cmd == MC_CMD_REBOOT && rc == EIO)
+ return;
+
+ exception = (rc == EIO)
+ ? EFX_MCDI_EXCEPTION_MC_REBOOT
+ : EFX_MCDI_EXCEPTION_MC_BADASSERT;
+
+ emtp->emt_exception(emtp->emt_context, exception);
+}
+
+ void
+efx_mcdi_execute(
+ __in efx_nic_t *enp,
+ __inout efx_mcdi_req_t *emrp)
+{
+ const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
+
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
+ EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
+
+ emrp->emr_quiet = B_FALSE;
+ emtp->emt_execute(emtp->emt_context, emrp);
+}
+
+ void
+efx_mcdi_execute_quiet(
+ __in efx_nic_t *enp,
+ __inout efx_mcdi_req_t *emrp)
+{
+ const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
+
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
+ EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
+
+ emrp->emr_quiet = B_TRUE;
+ emtp->emt_execute(emtp->emt_context, emrp);
+}
+
+ void
+efx_mcdi_ev_cpl(
+ __in efx_nic_t *enp,
+ __in unsigned int seq,
+ __in unsigned int outlen,
+ __in int errcode)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
+ efx_mcdi_req_t *emrp;
+ efsys_lock_state_t state;
+
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
+ EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
+
+ /*
+ * Serialise against efx_mcdi_request_poll()/efx_mcdi_request_start()
+ * when we're completing an aborted request.
+ */
+ EFSYS_LOCK(enp->en_eslp, state);
+ if (emip->emi_pending_req == NULL || !emip->emi_ev_cpl ||
+ (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) {
+ EFSYS_ASSERT(emip->emi_aborted > 0);
+ if (emip->emi_aborted > 0)
+ --emip->emi_aborted;
+ EFSYS_UNLOCK(enp->en_eslp, state);
+ return;
+ }
+
+ emrp = emip->emi_pending_req;
+ emip->emi_pending_req = NULL;
+ EFSYS_UNLOCK(enp->en_eslp, state);
+
+ if (emip->emi_max_version >= 2) {
+ /* MCDIv2 response details do not fit into an event. */
+ efx_mcdi_read_response_header(enp, emrp);
+ } else {
+ if (errcode != 0) {
+ if (!emrp->emr_quiet) {
+ EFSYS_PROBE2(mcdi_err, int, emrp->emr_cmd,
+ int, errcode);
+ }
+ emrp->emr_out_length_used = 0;
+ emrp->emr_rc = efx_mcdi_request_errcode(errcode);
+ } else {
+ emrp->emr_out_length_used = outlen;
+ emrp->emr_rc = 0;
+ }
+ }
+ if (errcode == 0) {
+ efx_mcdi_finish_response(enp, emrp);
+ }
+
+ emtp->emt_ev_cpl(emtp->emt_context);
+}
+
+ void
+efx_mcdi_ev_death(
+ __in efx_nic_t *enp,
+ __in int rc)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
+ efx_mcdi_req_t *emrp = NULL;
+ boolean_t ev_cpl;
+ efsys_lock_state_t state;
+
+ /*
+ * The MCDI request (if there is one) has been terminated, either
+ * by a BADASSERT or REBOOT event.
+ *
+ * If there is an outstanding event-completed MCDI operation, then we
+ * will never receive the completion event (because both MCDI
+ * completions and BADASSERT events are sent to the same evq). So
+ * complete this MCDI op.
+ *
+ * This function might run in parallel with efx_mcdi_request_poll()
+ * for poll completed mcdi requests, and also with
+ * efx_mcdi_request_start() for post-watchdog completions.
+ */
+ EFSYS_LOCK(enp->en_eslp, state);
+ emrp = emip->emi_pending_req;
+ ev_cpl = emip->emi_ev_cpl;
+ if (emrp != NULL && emip->emi_ev_cpl) {
+ emip->emi_pending_req = NULL;
+
+ emrp->emr_out_length_used = 0;
+ emrp->emr_rc = rc;
+ ++emip->emi_aborted;
+ }
+
+ /*
+ * Since we're running in parallel with a request, consume the
+ * status word before dropping the lock.
+ */
+ if (rc == EIO || rc == EINTR) {
+ EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
+ (void) efx_mcdi_poll_reboot(enp);
+ emip->emi_new_epoch = B_TRUE;
+ }
+
+ EFSYS_UNLOCK(enp->en_eslp, state);
+
+ efx_mcdi_raise_exception(enp, emrp, rc);
+
+ if (emrp != NULL && ev_cpl)
+ emtp->emt_ev_cpl(emtp->emt_context);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_version(
+ __in efx_nic_t *enp,
+ __out_ecount_opt(4) uint16_t versionp[4],
+ __out_opt uint32_t *buildp,
+ __out_opt efx_mcdi_boot_t *statusp)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MAX(MC_CMD_GET_VERSION_IN_LEN,
+ MC_CMD_GET_VERSION_OUT_LEN),
+ MAX(MC_CMD_GET_BOOT_STATUS_IN_LEN,
+ MC_CMD_GET_BOOT_STATUS_OUT_LEN))];
+ efx_word_t *ver_words;
+ uint16_t version[4];
+ uint32_t build;
+ efx_mcdi_boot_t status;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_VERSION;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_VERSION_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_VERSION_OUT_LEN;
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ /* bootrom support */
+ if (req.emr_out_length_used == MC_CMD_GET_VERSION_V0_OUT_LEN) {
+ version[0] = version[1] = version[2] = version[3] = 0;
+ build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
+
+ goto version;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_GET_VERSION_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ ver_words = MCDI_OUT2(req, efx_word_t, GET_VERSION_OUT_VERSION);
+ version[0] = EFX_WORD_FIELD(ver_words[0], EFX_WORD_0);
+ version[1] = EFX_WORD_FIELD(ver_words[1], EFX_WORD_0);
+ version[2] = EFX_WORD_FIELD(ver_words[2], EFX_WORD_0);
+ version[3] = EFX_WORD_FIELD(ver_words[3], EFX_WORD_0);
+ build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
+
+version:
+ /* The bootrom doesn't understand BOOT_STATUS */
+ if (MC_FW_VERSION_IS_BOOTLOADER(build)) {
+ status = EFX_MCDI_BOOT_ROM;
+ goto out;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_BOOT_STATUS;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_BOOT_STATUS_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_BOOT_STATUS_OUT_LEN;
+
+ efx_mcdi_execute_quiet(enp, &req);
+
+ if (req.emr_rc == EACCES) {
+ /* Unprivileged functions cannot access BOOT_STATUS */
+ status = EFX_MCDI_BOOT_PRIMARY;
+ version[0] = version[1] = version[2] = version[3] = 0;
+ build = 0;
+ goto out;
+ }
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail3;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_GET_BOOT_STATUS_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail4;
+ }
+
+ if (MCDI_OUT_DWORD_FIELD(req, GET_BOOT_STATUS_OUT_FLAGS,
+ GET_BOOT_STATUS_OUT_FLAGS_PRIMARY))
+ status = EFX_MCDI_BOOT_PRIMARY;
+ else
+ status = EFX_MCDI_BOOT_SECONDARY;
+
+out:
+ if (versionp != NULL)
+ memcpy(versionp, version, sizeof (version));
+ if (buildp != NULL)
+ *buildp = build;
+ if (statusp != NULL)
+ *statusp = status;
+
+ return (0);
+
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+static __checkReturn efx_rc_t
+efx_mcdi_do_reboot(
+ __in efx_nic_t *enp,
+ __in boolean_t after_assertion)
+{
+ uint8_t payload[MAX(MC_CMD_REBOOT_IN_LEN, MC_CMD_REBOOT_OUT_LEN)];
+ efx_mcdi_req_t req;
+ efx_rc_t rc;
+
+ /*
+ * We could require the caller to have caused en_mod_flags=0 to
+ * call this function. This doesn't help the other port though,
+ * who's about to get the MC ripped out from underneath them.
+ * Since they have to cope with the subsequent fallout of MCDI
+ * failures, we should as well.
+ */
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_REBOOT;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_REBOOT_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_REBOOT_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, REBOOT_IN_FLAGS,
+ (after_assertion ? MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION : 0));
+
+ efx_mcdi_execute_quiet(enp, &req);
+
+ if (req.emr_rc == EACCES) {
+ /* Unprivileged functions cannot reboot the MC. */
+ goto out;
+ }
+
+ /* A successful reboot request returns EIO. */
+ if (req.emr_rc != 0 && req.emr_rc != EIO) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+out:
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_reboot(
+ __in efx_nic_t *enp)
+{
+ return (efx_mcdi_do_reboot(enp, B_FALSE));
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_exit_assertion_handler(
+ __in efx_nic_t *enp)
+{
+ return (efx_mcdi_do_reboot(enp, B_TRUE));
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_read_assertion(
+ __in efx_nic_t *enp)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_GET_ASSERTS_IN_LEN,
+ MC_CMD_GET_ASSERTS_OUT_LEN)];
+ const char *reason;
+ unsigned int flags;
+ unsigned int index;
+ unsigned int ofst;
+ int retry;
+ efx_rc_t rc;
+
+ /*
+ * Before we attempt to chat to the MC, we should verify that the MC
+ * isn't in it's assertion handler, either due to a previous reboot,
+ * or because we're reinitializing due to an eec_exception().
+ *
+ * Use GET_ASSERTS to read any assertion state that may be present.
+ * Retry this command twice. Once because a boot-time assertion failure
+ * might cause the 1st MCDI request to fail. And once again because
+ * we might race with efx_mcdi_exit_assertion_handler() running on
+ * partner port(s) on the same NIC.
+ */
+ retry = 2;
+ do {
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_ASSERTS;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_ASSERTS_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_ASSERTS_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, GET_ASSERTS_IN_CLEAR, 1);
+ efx_mcdi_execute_quiet(enp, &req);
+
+ } while ((req.emr_rc == EINTR || req.emr_rc == EIO) && retry-- > 0);
+
+ if (req.emr_rc != 0) {
+ if (req.emr_rc == EACCES) {
+ /* Unprivileged functions cannot clear assertions. */
+ goto out;
+ }
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_GET_ASSERTS_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ /* Print out any assertion state recorded */
+ flags = MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_GLOBAL_FLAGS);
+ if (flags == MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS)
+ return (0);
+
+ reason = (flags == MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL)
+ ? "system-level assertion"
+ : (flags == MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL)
+ ? "thread-level assertion"
+ : (flags == MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED)
+ ? "watchdog reset"
+ : (flags == MC_CMD_GET_ASSERTS_FLAGS_ADDR_TRAP)
+ ? "illegal address trap"
+ : "unknown assertion";
+ EFSYS_PROBE3(mcpu_assertion,
+ const char *, reason, unsigned int,
+ MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_SAVED_PC_OFFS),
+ unsigned int,
+ MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_THREAD_OFFS));
+
+ /* Print out the registers (r1 ... r31) */
+ ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST;
+ for (index = 1;
+ index < 1 + MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_NUM;
+ index++) {
+ EFSYS_PROBE2(mcpu_register, unsigned int, index, unsigned int,
+ EFX_DWORD_FIELD(*MCDI_OUT(req, efx_dword_t, ofst),
+ EFX_DWORD_0));
+ ofst += sizeof (efx_dword_t);
+ }
+ EFSYS_ASSERT(ofst <= MC_CMD_GET_ASSERTS_OUT_LEN);
+
+out:
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+
+/*
+ * Internal routines for for specific MCDI requests.
+ */
+
+ __checkReturn efx_rc_t
+efx_mcdi_drv_attach(
+ __in efx_nic_t *enp,
+ __in boolean_t attach)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_DRV_ATTACH_IN_LEN,
+ MC_CMD_DRV_ATTACH_EXT_OUT_LEN)];
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_DRV_ATTACH;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_DRV_ATTACH_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_DRV_ATTACH_EXT_OUT_LEN;
+
+ /*
+ * Use DONT_CARE for the datapath firmware type to ensure that the
+ * driver can attach to an unprivileged function. The datapath firmware
+ * type to use is controlled by the 'sfboot' utility.
+ */
+ MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_NEW_STATE, attach ? 1 : 0);
+ MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_UPDATE, 1);
+ MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_FIRMWARE_ID, MC_CMD_FW_DONT_CARE);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_get_board_cfg(
+ __in efx_nic_t *enp,
+ __out_opt uint32_t *board_typep,
+ __out_opt efx_dword_t *capabilitiesp,
+ __out_ecount_opt(6) uint8_t mac_addrp[6])
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_GET_BOARD_CFG_IN_LEN,
+ MC_CMD_GET_BOARD_CFG_OUT_LENMIN)];
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_BOARD_CFG;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_BOARD_CFG_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_BOARD_CFG_OUT_LENMIN;
+
+ 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_BOARD_CFG_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ if (mac_addrp != NULL) {
+ uint8_t *addrp;
+
+ if (emip->emi_port == 1) {
+ addrp = MCDI_OUT2(req, uint8_t,
+ GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0);
+ } else if (emip->emi_port == 2) {
+ addrp = MCDI_OUT2(req, uint8_t,
+ GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1);
+ } else {
+ rc = EINVAL;
+ goto fail3;
+ }
+
+ EFX_MAC_ADDR_COPY(mac_addrp, addrp);
+ }
+
+ if (capabilitiesp != NULL) {
+ if (emip->emi_port == 1) {
+ *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
+ GET_BOARD_CFG_OUT_CAPABILITIES_PORT0);
+ } else if (emip->emi_port == 2) {
+ *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
+ GET_BOARD_CFG_OUT_CAPABILITIES_PORT1);
+ } else {
+ rc = EINVAL;
+ goto fail4;
+ }
+ }
+
+ if (board_typep != NULL) {
+ *board_typep = MCDI_OUT_DWORD(req,
+ GET_BOARD_CFG_OUT_BOARD_TYPE);
+ }
+
+ 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
+efx_mcdi_get_resource_limits(
+ __in efx_nic_t *enp,
+ __out_opt uint32_t *nevqp,
+ __out_opt uint32_t *nrxqp,
+ __out_opt uint32_t *ntxqp)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_GET_RESOURCE_LIMITS_IN_LEN,
+ MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN)];
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_RESOURCE_LIMITS;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_RESOURCE_LIMITS_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_RESOURCE_LIMITS_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_RESOURCE_LIMITS_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ if (nevqp != NULL)
+ *nevqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_EVQ);
+ if (nrxqp != NULL)
+ *nrxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_RXQ);
+ if (ntxqp != NULL)
+ *ntxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_TXQ);
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_get_phy_cfg(
+ __in efx_nic_t *enp)
+{
+ efx_port_t *epp = &(enp->en_port);
+ efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_GET_PHY_CFG_IN_LEN,
+ MC_CMD_GET_PHY_CFG_OUT_LEN)];
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_PHY_CFG;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_PHY_CFG_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_PHY_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_PHY_CFG_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ encp->enc_phy_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_TYPE);
+#if EFSYS_OPT_NAMES
+ (void) strncpy(encp->enc_phy_name,
+ MCDI_OUT2(req, char, GET_PHY_CFG_OUT_NAME),
+ MIN(sizeof (encp->enc_phy_name) - 1,
+ MC_CMD_GET_PHY_CFG_OUT_NAME_LEN));
+#endif /* EFSYS_OPT_NAMES */
+ (void) memset(encp->enc_phy_revision, 0,
+ sizeof (encp->enc_phy_revision));
+ memcpy(encp->enc_phy_revision,
+ MCDI_OUT2(req, char, GET_PHY_CFG_OUT_REVISION),
+ MIN(sizeof (encp->enc_phy_revision) - 1,
+ MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN));
+
+ /* Get the media type of the fixed port, if recognised. */
+ EFX_STATIC_ASSERT(MC_CMD_MEDIA_XAUI == EFX_PHY_MEDIA_XAUI);
+ EFX_STATIC_ASSERT(MC_CMD_MEDIA_CX4 == EFX_PHY_MEDIA_CX4);
+ EFX_STATIC_ASSERT(MC_CMD_MEDIA_KX4 == EFX_PHY_MEDIA_KX4);
+ EFX_STATIC_ASSERT(MC_CMD_MEDIA_XFP == EFX_PHY_MEDIA_XFP);
+ EFX_STATIC_ASSERT(MC_CMD_MEDIA_SFP_PLUS == EFX_PHY_MEDIA_SFP_PLUS);
+ EFX_STATIC_ASSERT(MC_CMD_MEDIA_BASE_T == EFX_PHY_MEDIA_BASE_T);
+ EFX_STATIC_ASSERT(MC_CMD_MEDIA_QSFP_PLUS == EFX_PHY_MEDIA_QSFP_PLUS);
+ epp->ep_fixed_port_type =
+ MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_MEDIA_TYPE);
+ if (epp->ep_fixed_port_type >= EFX_PHY_MEDIA_NTYPES)
+ epp->ep_fixed_port_type = EFX_PHY_MEDIA_INVALID;
+
+ epp->ep_phy_cap_mask =
+ MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_SUPPORTED_CAP);
+
+ encp->enc_port = (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_PRT);
+
+ /* Populate internal state */
+ encp->enc_mcdi_mdio_channel =
+ (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_CHANNEL);
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_firmware_update_supported(
+ __in efx_nic_t *enp,
+ __out boolean_t *supportedp)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+ efx_rc_t rc;
+
+ if (emcop != NULL) {
+ if ((rc = emcop->emco_feature_supported(enp,
+ EFX_MCDI_FEATURE_FW_UPDATE, supportedp)) != 0)
+ goto fail1;
+ } else {
+ /* Earlier devices always supported updates */
+ *supportedp = B_TRUE;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_macaddr_change_supported(
+ __in efx_nic_t *enp,
+ __out boolean_t *supportedp)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+ efx_rc_t rc;
+
+ if (emcop != NULL) {
+ if ((rc = emcop->emco_feature_supported(enp,
+ EFX_MCDI_FEATURE_MACADDR_CHANGE, supportedp)) != 0)
+ goto fail1;
+ } else {
+ /* Earlier devices always supported MAC changes */
+ *supportedp = B_TRUE;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_link_control_supported(
+ __in efx_nic_t *enp,
+ __out boolean_t *supportedp)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+ efx_rc_t rc;
+
+ if (emcop != NULL) {
+ if ((rc = emcop->emco_feature_supported(enp,
+ EFX_MCDI_FEATURE_LINK_CONTROL, supportedp)) != 0)
+ goto fail1;
+ } else {
+ /* Earlier devices always supported link control */
+ *supportedp = B_TRUE;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mcdi_mac_spoofing_supported(
+ __in efx_nic_t *enp,
+ __out boolean_t *supportedp)
+{
+ const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
+ efx_rc_t rc;
+
+ if (emcop != NULL) {
+ if ((rc = emcop->emco_feature_supported(enp,
+ EFX_MCDI_FEATURE_MAC_SPOOFING, supportedp)) != 0)
+ goto fail1;
+ } else {
+ /* Earlier devices always supported MAC spoofing */
+ *supportedp = B_TRUE;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+
+/* Enable logging of some events (e.g. link state changes) */
+ __checkReturn efx_rc_t
+efx_mcdi_log_ctrl(
+ __in efx_nic_t *enp)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_LOG_CTRL_IN_LEN,
+ MC_CMD_LOG_CTRL_OUT_LEN)];
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_LOG_CTRL;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_LOG_CTRL_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_LOG_CTRL_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST,
+ MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ);
+ MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST_EVQ, 0);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+
+ __checkReturn efx_rc_t
+efx_mcdi_set_workaround(
+ __in efx_nic_t *enp,
+ __in uint32_t type,
+ __in boolean_t enabled,
+ __out_opt uint32_t *flagsp)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_WORKAROUND_IN_LEN,
+ MC_CMD_WORKAROUND_EXT_OUT_LEN)];
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_WORKAROUND;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_WORKAROUND_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_WORKAROUND_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, WORKAROUND_IN_TYPE, type);
+ MCDI_IN_SET_DWORD(req, WORKAROUND_IN_ENABLED, enabled ? 1 : 0);
+
+ efx_mcdi_execute_quiet(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ if (flagsp != NULL) {
+ if (req.emr_out_length_used >= MC_CMD_WORKAROUND_EXT_OUT_LEN)
+ *flagsp = MCDI_OUT_DWORD(req, WORKAROUND_EXT_OUT_FLAGS);
+ else
+ *flagsp = 0;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+
+ __checkReturn efx_rc_t
+efx_mcdi_get_workarounds(
+ __in efx_nic_t *enp,
+ __out_opt uint32_t *implementedp,
+ __out_opt uint32_t *enabledp)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MC_CMD_GET_WORKAROUNDS_OUT_LEN];
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_WORKAROUNDS;
+ req.emr_in_buf = NULL;
+ req.emr_in_length = 0;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_WORKAROUNDS_OUT_LEN;
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ if (implementedp != NULL) {
+ *implementedp =
+ MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_IMPLEMENTED);
+ }
+
+ if (enabledp != NULL) {
+ *enabledp = MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_ENABLED);
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+/*
+ * Size of media information page in accordance with SFF-8472 and SFF-8436.
+ * It is used in MCDI interface as well.
+ */
+#define EFX_PHY_MEDIA_INFO_PAGE_SIZE 0x80
+
+static __checkReturn efx_rc_t
+efx_mcdi_get_phy_media_info(
+ __in efx_nic_t *enp,
+ __in uint32_t mcdi_page,
+ __in uint8_t offset,
+ __in uint8_t len,
+ __out_bcount(len) uint8_t *data)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN,
+ MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(
+ EFX_PHY_MEDIA_INFO_PAGE_SIZE))];
+ efx_rc_t rc;
+
+ EFSYS_ASSERT((uint32_t)offset + len <= EFX_PHY_MEDIA_INFO_PAGE_SIZE);
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_PHY_MEDIA_INFO;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length =
+ MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE);
+
+ MCDI_IN_SET_DWORD(req, GET_PHY_MEDIA_INFO_IN_PAGE, mcdi_page);
+
+ 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_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE)) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ if (MCDI_OUT_DWORD(req, GET_PHY_MEDIA_INFO_OUT_DATALEN) !=
+ EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
+ rc = EIO;
+ goto fail3;
+ }
+
+ memcpy(data,
+ MCDI_OUT2(req, uint8_t, GET_PHY_MEDIA_INFO_OUT_DATA) + offset,
+ len);
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+/*
+ * 2-wire device address of the base information in accordance with SFF-8472
+ * Diagnostic Monitoring Interface for Optical Transceivers section
+ * 4 Memory Organization.
+ */
+#define EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE 0xA0
+
+/*
+ * 2-wire device address of the digital diagnostics monitoring interface
+ * in accordance with SFF-8472 Diagnostic Monitoring Interface for Optical
+ * Transceivers section 4 Memory Organization.
+ */
+#define EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM 0xA2
+
+/*
+ * Hard wired 2-wire device address for QSFP+ in accordance with SFF-8436
+ * QSFP+ 10 Gbs 4X PLUGGABLE TRANSCEIVER section 7.4 Device Addressing and
+ * Operation.
+ */
+#define EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP 0xA0
+
+ __checkReturn efx_rc_t
+efx_mcdi_phy_module_get_info(
+ __in efx_nic_t *enp,
+ __in uint8_t dev_addr,
+ __in uint8_t offset,
+ __in uint8_t len,
+ __out_bcount(len) uint8_t *data)
+{
+ efx_port_t *epp = &(enp->en_port);
+ efx_rc_t rc;
+ uint32_t mcdi_lower_page;
+ uint32_t mcdi_upper_page;
+
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
+
+ /*
+ * Map device address to MC_CMD_GET_PHY_MEDIA_INFO pages.
+ * Offset plus length interface allows to access page 0 only.
+ * I.e. non-zero upper pages are not accessible.
+ * See SFF-8472 section 4 Memory Organization and SFF-8436 section 7.6
+ * QSFP+ Memory Map for details on how information is structured
+ * and accessible.
+ */
+ switch (epp->ep_fixed_port_type) {
+ case EFX_PHY_MEDIA_SFP_PLUS:
+ /*
+ * In accordance with SFF-8472 Diagnostic Monitoring
+ * Interface for Optical Transceivers section 4 Memory
+ * Organization two 2-wire addresses are defined.
+ */
+ switch (dev_addr) {
+ /* Base information */
+ case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE:
+ /*
+ * MCDI page 0 should be used to access lower
+ * page 0 (0x00 - 0x7f) at the device address 0xA0.
+ */
+ mcdi_lower_page = 0;
+ /*
+ * MCDI page 1 should be used to access upper
+ * page 0 (0x80 - 0xff) at the device address 0xA0.
+ */
+ mcdi_upper_page = 1;
+ break;
+ /* Diagnostics */
+ case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM:
+ /*
+ * MCDI page 2 should be used to access lower
+ * page 0 (0x00 - 0x7f) at the device address 0xA2.
+ */
+ mcdi_lower_page = 2;
+ /*
+ * MCDI page 3 should be used to access upper
+ * page 0 (0x80 - 0xff) at the device address 0xA2.
+ */
+ mcdi_upper_page = 3;
+ break;
+ default:
+ rc = ENOTSUP;
+ goto fail1;
+ }
+ break;
+ case EFX_PHY_MEDIA_QSFP_PLUS:
+ switch (dev_addr) {
+ case EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP:
+ /*
+ * MCDI page -1 should be used to access lower page 0
+ * (0x00 - 0x7f).
+ */
+ mcdi_lower_page = (uint32_t)-1;
+ /*
+ * MCDI page 0 should be used to access upper page 0
+ * (0x80h - 0xff).
+ */
+ mcdi_upper_page = 0;
+ break;
+ default:
+ rc = ENOTSUP;
+ goto fail1;
+ }
+ break;
+ default:
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ if (offset < EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
+ uint8_t read_len =
+ MIN(len, EFX_PHY_MEDIA_INFO_PAGE_SIZE - offset);
+
+ rc = efx_mcdi_get_phy_media_info(enp,
+ mcdi_lower_page, offset, read_len, data);
+ if (rc != 0)
+ goto fail2;
+
+ data += read_len;
+ len -= read_len;
+
+ offset = 0;
+ } else {
+ offset -= EFX_PHY_MEDIA_INFO_PAGE_SIZE;
+ }
+
+ if (len > 0) {
+ EFSYS_ASSERT3U(len, <=, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
+ EFSYS_ASSERT3U(offset, <, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
+
+ rc = efx_mcdi_get_phy_media_info(enp,
+ mcdi_upper_page, offset, len, data);
+ if (rc != 0)
+ goto fail3;
+ }
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+#endif /* EFSYS_OPT_MCDI */
new file mode 100644
@@ -0,0 +1,371 @@
+/*
+ * Copyright (c) 2009-2016 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.
+ */
+
+#ifndef _SYS_EFX_MCDI_H
+#define _SYS_EFX_MCDI_H
+
+#include "efx.h"
+#include "efx_regs_mcdi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * A reboot/assertion causes the MCDI status word to be set after the
+ * command word is set or a REBOOT event is sent. If we notice a reboot
+ * via these mechanisms then wait 10ms for the status word to be set.
+ */
+#define EFX_MCDI_STATUS_SLEEP_US 10000
+
+struct efx_mcdi_req_s {
+ boolean_t emr_quiet;
+ /* Inputs: Command #, input buffer and length */
+ unsigned int emr_cmd;
+ uint8_t *emr_in_buf;
+ size_t emr_in_length;
+ /* Outputs: retcode, buffer, length, and length used*/
+ efx_rc_t emr_rc;
+ uint8_t *emr_out_buf;
+ size_t emr_out_length;
+ size_t emr_out_length_used;
+ /* Internals: low level transport details */
+ unsigned int emr_err_code;
+ unsigned int emr_err_arg;
+};
+
+typedef struct efx_mcdi_iface_s {
+ unsigned int emi_port;
+ unsigned int emi_max_version;
+ unsigned int emi_seq;
+ efx_mcdi_req_t *emi_pending_req;
+ boolean_t emi_ev_cpl;
+ boolean_t emi_new_epoch;
+ int emi_aborted;
+ uint32_t emi_poll_cnt;
+ uint32_t emi_mc_reboot_status;
+} efx_mcdi_iface_t;
+
+extern void
+efx_mcdi_execute(
+ __in efx_nic_t *enp,
+ __inout efx_mcdi_req_t *emrp);
+
+extern void
+efx_mcdi_execute_quiet(
+ __in efx_nic_t *enp,
+ __inout efx_mcdi_req_t *emrp);
+
+extern void
+efx_mcdi_ev_cpl(
+ __in efx_nic_t *enp,
+ __in unsigned int seq,
+ __in unsigned int outlen,
+ __in int errcode);
+
+extern void
+efx_mcdi_ev_death(
+ __in efx_nic_t *enp,
+ __in int rc);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_request_errcode(
+ __in unsigned int err);
+
+extern void
+efx_mcdi_raise_exception(
+ __in efx_nic_t *enp,
+ __in_opt efx_mcdi_req_t *emrp,
+ __in int rc);
+
+typedef enum efx_mcdi_boot_e {
+ EFX_MCDI_BOOT_PRIMARY,
+ EFX_MCDI_BOOT_SECONDARY,
+ EFX_MCDI_BOOT_ROM,
+} efx_mcdi_boot_t;
+
+extern __checkReturn efx_rc_t
+efx_mcdi_version(
+ __in efx_nic_t *enp,
+ __out_ecount_opt(4) uint16_t versionp[4],
+ __out_opt uint32_t *buildp,
+ __out_opt efx_mcdi_boot_t *statusp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_read_assertion(
+ __in efx_nic_t *enp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_exit_assertion_handler(
+ __in efx_nic_t *enp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_drv_attach(
+ __in efx_nic_t *enp,
+ __in boolean_t attach);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_get_board_cfg(
+ __in efx_nic_t *enp,
+ __out_opt uint32_t *board_typep,
+ __out_opt efx_dword_t *capabilitiesp,
+ __out_ecount_opt(6) uint8_t mac_addrp[6]);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_get_phy_cfg(
+ __in efx_nic_t *enp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_firmware_update_supported(
+ __in efx_nic_t *enp,
+ __out boolean_t *supportedp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_macaddr_change_supported(
+ __in efx_nic_t *enp,
+ __out boolean_t *supportedp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_link_control_supported(
+ __in efx_nic_t *enp,
+ __out boolean_t *supportedp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_mac_spoofing_supported(
+ __in efx_nic_t *enp,
+ __out boolean_t *supportedp);
+
+
+extern __checkReturn efx_rc_t
+efx_mcdi_get_resource_limits(
+ __in efx_nic_t *enp,
+ __out_opt uint32_t *nevqp,
+ __out_opt uint32_t *nrxqp,
+ __out_opt uint32_t *ntxqp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_log_ctrl(
+ __in efx_nic_t *enp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_mac_stats_clear(
+ __in efx_nic_t *enp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_mac_stats_upload(
+ __in efx_nic_t *enp,
+ __in efsys_mem_t *esmp);
+
+extern __checkReturn efx_rc_t
+efx_mcdi_mac_stats_periodic(
+ __in efx_nic_t *enp,
+ __in efsys_mem_t *esmp,
+ __in uint16_t period,
+ __in boolean_t events);
+
+
+extern __checkReturn efx_rc_t
+efx_mcdi_phy_module_get_info(
+ __in efx_nic_t *enp,
+ __in uint8_t dev_addr,
+ __in uint8_t offset,
+ __in uint8_t len,
+ __out_bcount(len) uint8_t *data);
+
+#define MCDI_IN(_emr, _type, _ofst) \
+ ((_type *)((_emr).emr_in_buf + (_ofst)))
+
+#define MCDI_IN2(_emr, _type, _ofst) \
+ MCDI_IN(_emr, _type, MC_CMD_ ## _ofst ## _OFST)
+
+#define MCDI_IN_SET_BYTE(_emr, _ofst, _value) \
+ EFX_POPULATE_BYTE_1(*MCDI_IN2(_emr, efx_byte_t, _ofst), \
+ EFX_BYTE_0, _value)
+
+#define MCDI_IN_SET_WORD(_emr, _ofst, _value) \
+ EFX_POPULATE_WORD_1(*MCDI_IN2(_emr, efx_word_t, _ofst), \
+ EFX_WORD_0, _value)
+
+#define MCDI_IN_SET_DWORD(_emr, _ofst, _value) \
+ EFX_POPULATE_DWORD_1(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ EFX_DWORD_0, _value)
+
+#define MCDI_IN_SET_DWORD_FIELD(_emr, _ofst, _field, _value) \
+ EFX_SET_DWORD_FIELD(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field, _value)
+
+#define MCDI_IN_POPULATE_DWORD_1(_emr, _ofst, _field1, _value1) \
+ EFX_POPULATE_DWORD_1(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1)
+
+#define MCDI_IN_POPULATE_DWORD_2(_emr, _ofst, _field1, _value1, \
+ _field2, _value2) \
+ EFX_POPULATE_DWORD_2(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2)
+
+#define MCDI_IN_POPULATE_DWORD_3(_emr, _ofst, _field1, _value1, \
+ _field2, _value2, _field3, _value3) \
+ EFX_POPULATE_DWORD_3(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2, \
+ MC_CMD_ ## _field3, _value3)
+
+#define MCDI_IN_POPULATE_DWORD_4(_emr, _ofst, _field1, _value1, \
+ _field2, _value2, _field3, _value3, _field4, _value4) \
+ EFX_POPULATE_DWORD_4(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2, \
+ MC_CMD_ ## _field3, _value3, \
+ MC_CMD_ ## _field4, _value4)
+
+#define MCDI_IN_POPULATE_DWORD_5(_emr, _ofst, _field1, _value1, \
+ _field2, _value2, _field3, _value3, _field4, _value4, \
+ _field5, _value5) \
+ EFX_POPULATE_DWORD_5(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2, \
+ MC_CMD_ ## _field3, _value3, \
+ MC_CMD_ ## _field4, _value4, \
+ MC_CMD_ ## _field5, _value5)
+
+#define MCDI_IN_POPULATE_DWORD_6(_emr, _ofst, _field1, _value1, \
+ _field2, _value2, _field3, _value3, _field4, _value4, \
+ _field5, _value5, _field6, _value6) \
+ EFX_POPULATE_DWORD_6(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2, \
+ MC_CMD_ ## _field3, _value3, \
+ MC_CMD_ ## _field4, _value4, \
+ MC_CMD_ ## _field5, _value5, \
+ MC_CMD_ ## _field6, _value6)
+
+#define MCDI_IN_POPULATE_DWORD_7(_emr, _ofst, _field1, _value1, \
+ _field2, _value2, _field3, _value3, _field4, _value4, \
+ _field5, _value5, _field6, _value6, _field7, _value7) \
+ EFX_POPULATE_DWORD_7(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2, \
+ MC_CMD_ ## _field3, _value3, \
+ MC_CMD_ ## _field4, _value4, \
+ MC_CMD_ ## _field5, _value5, \
+ MC_CMD_ ## _field6, _value6, \
+ MC_CMD_ ## _field7, _value7)
+
+#define MCDI_IN_POPULATE_DWORD_8(_emr, _ofst, _field1, _value1, \
+ _field2, _value2, _field3, _value3, _field4, _value4, \
+ _field5, _value5, _field6, _value6, _field7, _value7, \
+ _field8, _value8) \
+ EFX_POPULATE_DWORD_8(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2, \
+ MC_CMD_ ## _field3, _value3, \
+ MC_CMD_ ## _field4, _value4, \
+ MC_CMD_ ## _field5, _value5, \
+ MC_CMD_ ## _field6, _value6, \
+ MC_CMD_ ## _field7, _value7, \
+ MC_CMD_ ## _field8, _value8)
+
+#define MCDI_IN_POPULATE_DWORD_9(_emr, _ofst, _field1, _value1, \
+ _field2, _value2, _field3, _value3, _field4, _value4, \
+ _field5, _value5, _field6, _value6, _field7, _value7, \
+ _field8, _value8, _field9, _value9) \
+ EFX_POPULATE_DWORD_9(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2, \
+ MC_CMD_ ## _field3, _value3, \
+ MC_CMD_ ## _field4, _value4, \
+ MC_CMD_ ## _field5, _value5, \
+ MC_CMD_ ## _field6, _value6, \
+ MC_CMD_ ## _field7, _value7, \
+ MC_CMD_ ## _field8, _value8, \
+ MC_CMD_ ## _field9, _value9)
+
+#define MCDI_IN_POPULATE_DWORD_10(_emr, _ofst, _field1, _value1, \
+ _field2, _value2, _field3, _value3, _field4, _value4, \
+ _field5, _value5, _field6, _value6, _field7, _value7, \
+ _field8, _value8, _field9, _value9, _field10, _value10) \
+ EFX_POPULATE_DWORD_10(*MCDI_IN2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field1, _value1, \
+ MC_CMD_ ## _field2, _value2, \
+ MC_CMD_ ## _field3, _value3, \
+ MC_CMD_ ## _field4, _value4, \
+ MC_CMD_ ## _field5, _value5, \
+ MC_CMD_ ## _field6, _value6, \
+ MC_CMD_ ## _field7, _value7, \
+ MC_CMD_ ## _field8, _value8, \
+ MC_CMD_ ## _field9, _value9, \
+ MC_CMD_ ## _field10, _value10)
+
+#define MCDI_OUT(_emr, _type, _ofst) \
+ ((_type *)((_emr).emr_out_buf + (_ofst)))
+
+#define MCDI_OUT2(_emr, _type, _ofst) \
+ MCDI_OUT(_emr, _type, MC_CMD_ ## _ofst ## _OFST)
+
+#define MCDI_OUT_BYTE(_emr, _ofst) \
+ EFX_BYTE_FIELD(*MCDI_OUT2(_emr, efx_byte_t, _ofst), \
+ EFX_BYTE_0)
+
+#define MCDI_OUT_WORD(_emr, _ofst) \
+ EFX_WORD_FIELD(*MCDI_OUT2(_emr, efx_word_t, _ofst), \
+ EFX_WORD_0)
+
+#define MCDI_OUT_DWORD(_emr, _ofst) \
+ EFX_DWORD_FIELD(*MCDI_OUT2(_emr, efx_dword_t, _ofst), \
+ EFX_DWORD_0)
+
+#define MCDI_OUT_DWORD_FIELD(_emr, _ofst, _field) \
+ EFX_DWORD_FIELD(*MCDI_OUT2(_emr, efx_dword_t, _ofst), \
+ MC_CMD_ ## _field)
+
+#define MCDI_EV_FIELD(_eqp, _field) \
+ EFX_QWORD_FIELD(*_eqp, MCDI_EVENT_ ## _field)
+
+#define MCDI_CMD_DWORD_FIELD(_edp, _field) \
+ EFX_DWORD_FIELD(*_edp, MC_CMD_ ## _field)
+
+#define EFX_MCDI_HAVE_PRIVILEGE(mask, priv) \
+ (((mask) & (MC_CMD_PRIVILEGE_MASK_IN_GRP_ ## priv)) == \
+ (MC_CMD_PRIVILEGE_MASK_IN_GRP_ ## priv))
+
+typedef enum efx_mcdi_feature_id_e {
+ EFX_MCDI_FEATURE_FW_UPDATE = 0,
+ EFX_MCDI_FEATURE_LINK_CONTROL,
+ EFX_MCDI_FEATURE_MACADDR_CHANGE,
+ EFX_MCDI_FEATURE_MAC_SPOOFING,
+ EFX_MCDI_FEATURE_NIDS
+} efx_mcdi_feature_id_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_EFX_MCDI_H */
@@ -185,6 +185,9 @@ efx_nic_probe(
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+#if EFSYS_OPT_MCDI
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
+#endif /* EFSYS_OPT_MCDI */
EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_PROBE));
enop = enp->en_enop;
@@ -364,6 +367,9 @@ efx_nic_unprobe(
const efx_nic_ops_t *enop = enp->en_enop;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+#if EFSYS_OPT_MCDI
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
+#endif /* EFSYS_OPT_MCDI */
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_NIC));
EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_INTR));