/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2019-2021 Xilinx, Inc.
* Copyright(c) 2008-2019 Solarflare Communications Inc.
*/
bytes = MIN(emrp->emr_out_length_used, emrp->emr_out_length);
efx_mcdi_read_response(enp, emrp->emr_out_buf, resp_off, bytes);
+ /* Report bytes copied to caller (response message may be larger) */
+ emrp->emr_out_length_used = bytes;
+
#if EFSYS_OPT_MCDI_LOGGING
if (emtp->emt_logger != NULL) {
emtp->emt_logger(emtp->emt_context,
}
__checkReturn efx_rc_t
-efx_mcdi_version(
+efx_mcdi_get_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)
+ __in uint32_t flags,
+ __out efx_mcdi_version_t *verp)
{
- efx_mcdi_req_t req;
+ efx_nic_board_info_t *board_infop = &verp->emv_board_info;
EFX_MCDI_DECLARE_BUF(payload,
- MAX(MC_CMD_GET_VERSION_IN_LEN, MC_CMD_GET_BOOT_STATUS_IN_LEN),
- MAX(MC_CMD_GET_VERSION_OUT_LEN,
- MC_CMD_GET_BOOT_STATUS_OUT_LEN));
+ MC_CMD_GET_VERSION_EXT_IN_LEN,
+ MC_CMD_GET_VERSION_V2_OUT_LEN);
efx_word_t *ver_words;
uint16_t version[4];
- uint32_t build;
- efx_mcdi_boot_t status;
+ efx_mcdi_req_t req;
+ uint32_t firmware;
efx_rc_t rc;
+ EFX_STATIC_ASSERT(sizeof (verp->emv_version) ==
+ MC_CMD_GET_VERSION_OUT_VERSION_LEN);
+ EFX_STATIC_ASSERT(sizeof (verp->emv_firmware) ==
+ MC_CMD_GET_VERSION_OUT_FIRMWARE_LEN);
+
+ EFX_STATIC_ASSERT(EFX_MCDI_VERSION_BOARD_INFO ==
+ (1U << MC_CMD_GET_VERSION_V2_OUT_BOARD_EXT_INFO_PRESENT_LBN));
+
+ EFX_STATIC_ASSERT(sizeof (board_infop->enbi_serial) ==
+ MC_CMD_GET_VERSION_V2_OUT_BOARD_SERIAL_LEN);
+ EFX_STATIC_ASSERT(sizeof (board_infop->enbi_name) ==
+ MC_CMD_GET_VERSION_V2_OUT_BOARD_NAME_LEN);
+ EFX_STATIC_ASSERT(sizeof (board_infop->enbi_revision) ==
+ MC_CMD_GET_VERSION_V2_OUT_BOARD_REVISION_LEN);
+
EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
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;
+
+ if ((flags & EFX_MCDI_VERSION_BOARD_INFO) != 0) {
+ /* Request basic + extended version information. */
+ req.emr_in_length = MC_CMD_GET_VERSION_EXT_IN_LEN;
+ req.emr_out_length = MC_CMD_GET_VERSION_V2_OUT_LEN;
+ } else {
+ /* Request only basic version information. */
+ req.emr_in_length = MC_CMD_GET_VERSION_IN_LEN;
+ req.emr_out_length = MC_CMD_GET_VERSION_OUT_LEN;
+ }
efx_mcdi_execute(enp, &req);
/* 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;
+ firmware = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
+ goto out;
}
- if (req.emr_out_length_used < MC_CMD_GET_VERSION_OUT_LEN) {
+ if (req.emr_out_length_used < req.emr_out_length) {
rc = EMSGSIZE;
goto fail2;
}
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);
+ firmware = 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;
+out:
+ memset(verp, 0, sizeof (*verp));
+
+ verp->emv_version[0] = version[0];
+ verp->emv_version[1] = version[1];
+ verp->emv_version[2] = version[2];
+ verp->emv_version[3] = version[3];
+ verp->emv_firmware = firmware;
+
+ verp->emv_flags = MCDI_OUT_DWORD(req, GET_VERSION_V2_OUT_FLAGS);
+ verp->emv_flags &= flags;
+
+ if ((verp->emv_flags & EFX_MCDI_VERSION_BOARD_INFO) != 0) {
+ memcpy(board_infop->enbi_serial,
+ MCDI_OUT2(req, char, GET_VERSION_V2_OUT_BOARD_SERIAL),
+ sizeof (board_infop->enbi_serial));
+ memcpy(board_infop->enbi_name,
+ MCDI_OUT2(req, char, GET_VERSION_V2_OUT_BOARD_NAME),
+ sizeof (board_infop->enbi_name));
+ board_infop->enbi_revision =
+ MCDI_OUT_DWORD(req, GET_VERSION_V2_OUT_BOARD_REVISION);
}
- (void) memset(payload, 0, sizeof (payload));
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+static __checkReturn efx_rc_t
+efx_mcdi_get_boot_status(
+ __in efx_nic_t *enp,
+ __out efx_mcdi_boot_t *statusp)
+{
+ EFX_MCDI_DECLARE_BUF(payload,
+ MC_CMD_GET_BOOT_STATUS_IN_LEN,
+ MC_CMD_GET_BOOT_STATUS_OUT_LEN);
+ efx_mcdi_req_t req;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
+
req.emr_cmd = MC_CMD_GET_BOOT_STATUS;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_GET_BOOT_STATUS_IN_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;
- }
+ /*
+ * NOTE: Unprivileged functions cannot access boot status,
+ * so the MCDI request will return EACCES. This is
+ * also checked in efx_mcdi_version.
+ */
if (req.emr_rc != 0) {
rc = req.emr_rc;
- goto fail3;
+ goto fail1;
}
if (req.emr_out_length_used < MC_CMD_GET_BOOT_STATUS_OUT_LEN) {
rc = EMSGSIZE;
- goto fail4;
+ goto fail2;
}
if (MCDI_OUT_DWORD_FIELD(req, GET_BOOT_STATUS_OUT_FLAGS,
GET_BOOT_STATUS_OUT_FLAGS_PRIMARY))
- status = EFX_MCDI_BOOT_PRIMARY;
+ *statusp = EFX_MCDI_BOOT_PRIMARY;
else
- status = EFX_MCDI_BOOT_SECONDARY;
+ *statusp = EFX_MCDI_BOOT_SECONDARY;
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __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_version_t ver;
+ efx_mcdi_boot_t status;
+ efx_rc_t rc;
+
+ rc = efx_mcdi_get_version(enp, 0, &ver);
+ if (rc != 0)
+ goto fail1;
+
+ /* The bootrom doesn't understand BOOT_STATUS */
+ if (MC_FW_VERSION_IS_BOOTLOADER(ver.emv_firmware)) {
+ status = EFX_MCDI_BOOT_ROM;
+ goto out;
+ }
+
+ rc = efx_mcdi_get_boot_status(enp, &status);
+ if (rc == EACCES) {
+ /* Unprivileged functions cannot access BOOT_STATUS */
+ status = EFX_MCDI_BOOT_PRIMARY;
+ memset(ver.emv_version, 0, sizeof (ver.emv_version));
+ ver.emv_firmware = 0;
+ } else if (rc != 0) {
+ goto fail2;
+ }
out:
if (versionp != NULL)
- memcpy(versionp, version, sizeof (version));
+ memcpy(versionp, ver.emv_version, sizeof (ver.emv_version));
if (buildp != NULL)
- *buildp = build;
+ *buildp = ver.emv_firmware;
if (statusp != NULL)
*statusp = status;
return (0);
-fail4:
- EFSYS_PROBE(fail4);
-fail3:
- EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
goto fail1;
}
+ if (req.emr_out_length_used < MC_CMD_GET_WORKAROUNDS_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
if (implementedp != NULL) {
*implementedp =
MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_IMPLEMENTED);
return (0);
+fail2:
+ EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
__in efsys_mem_t *esmp,
__in size_t nevs,
__in uint32_t irq,
+ __in uint32_t target_evq,
__in uint32_t us,
__in uint32_t flags,
__in boolean_t low_latency)
MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_SIZE, nevs);
MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_INSTANCE, instance);
- MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_IRQ_NUM, irq);
interrupting = ((flags & EFX_EVQ_FLAGS_NOTIFY_MASK) ==
EFX_EVQ_FLAGS_NOTIFY_INTERRUPT);
+ if (interrupting)
+ MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_IRQ_NUM, irq);
+ else
+ MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_TARGET_EVQ, target_evq);
+
if (encp->enc_init_evq_v2_supported) {
/*
* On Medford the low latency license is required to enable RX