From patchwork Tue Jun 1 23:55:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Smart X-Patchwork-Id: 452949 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6500C4708F for ; Tue, 1 Jun 2021 23:55:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A23A261351 for ; Tue, 1 Jun 2021 23:55:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235257AbhFAX5f (ORCPT ); Tue, 1 Jun 2021 19:57:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235275AbhFAX5W (ORCPT ); Tue, 1 Jun 2021 19:57:22 -0400 Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49CA1C061574 for ; Tue, 1 Jun 2021 16:55:40 -0700 (PDT) Received: by mail-pg1-x533.google.com with SMTP id v14so732275pgi.6 for ; Tue, 01 Jun 2021 16:55:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1c6+PH4vQtTzC0FGE+bWVv14Jw+9oiSpCrrKaZGU9CA=; b=qJ590NN7BWnRq9pGfppiOUAEUzm0JKFBZPFV4W3ORtL/LmdGN3RDkbyoktWIptyYH3 0ye8DzOl9eNEAHyFVn9AdKPP/IByLoH318Olcdfmjmk5x5YDdKcJDiwHJVp/HbsJ3Fdt BoyaOXngu1uqX8watvXit8ycH3xyum0KYGs9ZdLzQV7iJC/Qv9B8brvyTlhslKJf+aON 2H+XSBuPBKTaGRzO0+979tSK638zwEBpNdMEU31YaQ7Et0qFI5fuvRZNWnuK14DRCDvc BVrZFpxk1KHSNiyXx2mQgXYZ1SF824hztldrt11d5fg0KvblN2+5QthQrRIl0y6D4UZo TEIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1c6+PH4vQtTzC0FGE+bWVv14Jw+9oiSpCrrKaZGU9CA=; b=NYd1wEurHPUHenyyOT46SaVNjc84e3mvyZ5xyDTrBM5UxxKBcOsf6cRVspZ0tD58z+ bnA6Xy/RHKi7yyKPwNDaldL4Nzbmwpk9K8KnflGrQRXVgo6CoEMvSTeQb4MfeUEKgnPA W3MbpuXHPkPZhFUUYu1mBH+5h9btO66NEpGsGaOSQJ9cQ0MJVr09kzd8bJsyrMyPoqHr GcKETrgkO804Rt/kk+ZLYDK2ysJeutaU5+flIxP4ln86KDEKeXMX1pD/tNbPdiLToBDw aWWl8DZTgRsgW7kpDsIBe6ZZlwRVBXrc1RvrDfwzZyqeyrlQVZ/7fGAfvrM5JACuni/h 2p6Q== X-Gm-Message-State: AOAM532oBRtH/wMyFTTZlZaYbXGQ03tiYSwoFIRTR4DLbo+cFdvcTApE moTLHCEb+LMhN7NpNtt1Y5L3AjXo4iY= X-Google-Smtp-Source: ABdhPJw36l/+NOeWQlsNRoQT+yA/9HS0Y67Nc1Af4YbhCckN79w8ZyOOuXfbBWedV5l5ovCKedUoQw== X-Received: by 2002:a62:148c:0:b029:2cf:3c2d:7ba with SMTP id 134-20020a62148c0000b02902cf3c2d07bamr24427539pfu.79.1622591739520; Tue, 01 Jun 2021 16:55:39 -0700 (PDT) Received: from localhost.localdomain ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id v15sm13915357pfm.187.2021.06.01.16.55.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Jun 2021 16:55:39 -0700 (PDT) From: James Smart To: linux-scsi@vger.kernel.org Cc: James Smart , Ram Vegesna , Hannes Reinecke , Daniel Wagner Subject: [PATCH v9 27/31] elx: efct: link and host statistics Date: Tue, 1 Jun 2021 16:55:08 -0700 Message-Id: <20210601235512.20104-28-jsmart2021@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210601235512.20104-1-jsmart2021@gmail.com> References: <20210601235512.20104-1-jsmart2021@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org This patch continues the efct driver population. This patch adds driver definitions for: Routines to retrieve link stats and host stats. Add Firmware update helper routines. Co-developed-by: Ram Vegesna Signed-off-by: Ram Vegesna Signed-off-by: James Smart Reviewed-by: Hannes Reinecke Reviewed-by: Daniel Wagner --- v9: Non-functional changes: Remove EFC_SUCCESS/EFC_FAIL defines and use 0 and -Exxx errno values. Remove EFCT_xxx/EFCT_HW_RTN_xxx defines and use appropriate -Exxx errno values. Correct indentation on line continuations. --- drivers/scsi/elx/efct/efct_hw.c | 327 ++++++++++++++++++++++++++++++++ drivers/scsi/elx/efct/efct_hw.h | 29 +++ 2 files changed, 356 insertions(+) diff --git a/drivers/scsi/elx/efct/efct_hw.c b/drivers/scsi/elx/efct/efct_hw.c index ffe7dd106811..ddfbb74dbcbd 100644 --- a/drivers/scsi/elx/efct/efct_hw.c +++ b/drivers/scsi/elx/efct/efct_hw.c @@ -8,6 +8,23 @@ #include "efct_hw.h" #include "efct_unsol.h" +struct efct_hw_link_stat_cb_arg { + void (*cb)(int status, u32 num_counters, + struct efct_hw_link_stat_counts *counters, void *arg); + void *arg; +}; + +struct efct_hw_host_stat_cb_arg { + void (*cb)(int status, u32 num_counters, + struct efct_hw_host_stat_counts *counters, void *arg); + void *arg; +}; + +struct efct_hw_fw_wr_cb_arg { + void (*cb)(int status, u32 bytes_written, u32 change_status, void *arg); + void *arg; +}; + struct efct_mbox_rqst_ctx { int (*callback)(struct efc *efc, int status, u8 *mqe, void *arg); void *arg; @@ -3002,3 +3019,313 @@ efct_hw_send_frame(struct efct_hw *hw, struct fc_frame_header *hdr, return 0; } + +static int +efct_hw_cb_link_stat(struct efct_hw *hw, int status, + u8 *mqe, void *arg) +{ + struct sli4_cmd_read_link_stats *mbox_rsp; + struct efct_hw_link_stat_cb_arg *cb_arg = arg; + struct efct_hw_link_stat_counts counts[EFCT_HW_LINK_STAT_MAX]; + u32 num_counters, i; + u32 mbox_rsp_flags = 0; + + mbox_rsp = (struct sli4_cmd_read_link_stats *)mqe; + mbox_rsp_flags = le32_to_cpu(mbox_rsp->dw1_flags); + num_counters = (mbox_rsp_flags & SLI4_READ_LNKSTAT_GEC) ? 20 : 13; + memset(counts, 0, sizeof(struct efct_hw_link_stat_counts) * + EFCT_HW_LINK_STAT_MAX); + + /* Fill overflow counts, mask starts from SLI4_READ_LNKSTAT_W02OF*/ + for (i = 0; i < EFCT_HW_LINK_STAT_MAX; i++) + counts[i].overflow = (mbox_rsp_flags & (1 << (i + 2))); + + counts[EFCT_HW_LINK_STAT_LINK_FAILURE_COUNT].counter = + le32_to_cpu(mbox_rsp->linkfail_errcnt); + counts[EFCT_HW_LINK_STAT_LOSS_OF_SYNC_COUNT].counter = + le32_to_cpu(mbox_rsp->losssync_errcnt); + counts[EFCT_HW_LINK_STAT_LOSS_OF_SIGNAL_COUNT].counter = + le32_to_cpu(mbox_rsp->losssignal_errcnt); + counts[EFCT_HW_LINK_STAT_PRIMITIVE_SEQ_COUNT].counter = + le32_to_cpu(mbox_rsp->primseq_errcnt); + counts[EFCT_HW_LINK_STAT_INVALID_XMIT_WORD_COUNT].counter = + le32_to_cpu(mbox_rsp->inval_txword_errcnt); + counts[EFCT_HW_LINK_STAT_CRC_COUNT].counter = + le32_to_cpu(mbox_rsp->crc_errcnt); + counts[EFCT_HW_LINK_STAT_PRIMITIVE_SEQ_TIMEOUT_COUNT].counter = + le32_to_cpu(mbox_rsp->primseq_eventtimeout_cnt); + counts[EFCT_HW_LINK_STAT_ELASTIC_BUFFER_OVERRUN_COUNT].counter = + le32_to_cpu(mbox_rsp->elastic_bufoverrun_errcnt); + counts[EFCT_HW_LINK_STAT_ARB_TIMEOUT_COUNT].counter = + le32_to_cpu(mbox_rsp->arbit_fc_al_timeout_cnt); + counts[EFCT_HW_LINK_STAT_ADVERTISED_RCV_B2B_CREDIT].counter = + le32_to_cpu(mbox_rsp->adv_rx_buftor_to_buf_credit); + counts[EFCT_HW_LINK_STAT_CURR_RCV_B2B_CREDIT].counter = + le32_to_cpu(mbox_rsp->curr_rx_buf_to_buf_credit); + counts[EFCT_HW_LINK_STAT_ADVERTISED_XMIT_B2B_CREDIT].counter = + le32_to_cpu(mbox_rsp->adv_tx_buf_to_buf_credit); + counts[EFCT_HW_LINK_STAT_CURR_XMIT_B2B_CREDIT].counter = + le32_to_cpu(mbox_rsp->curr_tx_buf_to_buf_credit); + counts[EFCT_HW_LINK_STAT_RCV_EOFA_COUNT].counter = + le32_to_cpu(mbox_rsp->rx_eofa_cnt); + counts[EFCT_HW_LINK_STAT_RCV_EOFDTI_COUNT].counter = + le32_to_cpu(mbox_rsp->rx_eofdti_cnt); + counts[EFCT_HW_LINK_STAT_RCV_EOFNI_COUNT].counter = + le32_to_cpu(mbox_rsp->rx_eofni_cnt); + counts[EFCT_HW_LINK_STAT_RCV_SOFF_COUNT].counter = + le32_to_cpu(mbox_rsp->rx_soff_cnt); + counts[EFCT_HW_LINK_STAT_RCV_DROPPED_NO_AER_COUNT].counter = + le32_to_cpu(mbox_rsp->rx_dropped_no_aer_cnt); + counts[EFCT_HW_LINK_STAT_RCV_DROPPED_NO_RPI_COUNT].counter = + le32_to_cpu(mbox_rsp->rx_dropped_no_avail_rpi_rescnt); + counts[EFCT_HW_LINK_STAT_RCV_DROPPED_NO_XRI_COUNT].counter = + le32_to_cpu(mbox_rsp->rx_dropped_no_avail_xri_rescnt); + + if (cb_arg) { + if (cb_arg->cb) { + if (status == 0 && le16_to_cpu(mbox_rsp->hdr.status)) + status = le16_to_cpu(mbox_rsp->hdr.status); + cb_arg->cb(status, num_counters, counts, cb_arg->arg); + } + + kfree(cb_arg); + } + + return 0; +} + +int +efct_hw_get_link_stats(struct efct_hw *hw, u8 req_ext_counters, + u8 clear_overflow_flags, u8 clear_all_counters, + void (*cb)(int status, u32 num_counters, + struct efct_hw_link_stat_counts *counters, + void *arg), + void *arg) +{ + int rc = -EIO; + struct efct_hw_link_stat_cb_arg *cb_arg; + u8 mbxdata[SLI4_BMBX_SIZE]; + + cb_arg = kzalloc(sizeof(*cb_arg), GFP_ATOMIC); + if (!cb_arg) + return -ENOMEM; + + cb_arg->cb = cb; + cb_arg->arg = arg; + + /* Send the HW command */ + if (!sli_cmd_read_link_stats(&hw->sli, mbxdata, req_ext_counters, + clear_overflow_flags, clear_all_counters)) + rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT, + efct_hw_cb_link_stat, cb_arg); + + if (rc) + kfree(cb_arg); + + return rc; +} + +static int +efct_hw_cb_host_stat(struct efct_hw *hw, int status, u8 *mqe, void *arg) +{ + struct sli4_cmd_read_status *mbox_rsp = + (struct sli4_cmd_read_status *)mqe; + struct efct_hw_host_stat_cb_arg *cb_arg = arg; + struct efct_hw_host_stat_counts counts[EFCT_HW_HOST_STAT_MAX]; + u32 num_counters = EFCT_HW_HOST_STAT_MAX; + + memset(counts, 0, sizeof(struct efct_hw_host_stat_counts) * + EFCT_HW_HOST_STAT_MAX); + + counts[EFCT_HW_HOST_STAT_TX_KBYTE_COUNT].counter = + le32_to_cpu(mbox_rsp->trans_kbyte_cnt); + counts[EFCT_HW_HOST_STAT_RX_KBYTE_COUNT].counter = + le32_to_cpu(mbox_rsp->recv_kbyte_cnt); + counts[EFCT_HW_HOST_STAT_TX_FRAME_COUNT].counter = + le32_to_cpu(mbox_rsp->trans_frame_cnt); + counts[EFCT_HW_HOST_STAT_RX_FRAME_COUNT].counter = + le32_to_cpu(mbox_rsp->recv_frame_cnt); + counts[EFCT_HW_HOST_STAT_TX_SEQ_COUNT].counter = + le32_to_cpu(mbox_rsp->trans_seq_cnt); + counts[EFCT_HW_HOST_STAT_RX_SEQ_COUNT].counter = + le32_to_cpu(mbox_rsp->recv_seq_cnt); + counts[EFCT_HW_HOST_STAT_TOTAL_EXCH_ORIG].counter = + le32_to_cpu(mbox_rsp->tot_exchanges_orig); + counts[EFCT_HW_HOST_STAT_TOTAL_EXCH_RESP].counter = + le32_to_cpu(mbox_rsp->tot_exchanges_resp); + counts[EFCT_HW_HOSY_STAT_RX_P_BSY_COUNT].counter = + le32_to_cpu(mbox_rsp->recv_p_bsy_cnt); + counts[EFCT_HW_HOST_STAT_RX_F_BSY_COUNT].counter = + le32_to_cpu(mbox_rsp->recv_f_bsy_cnt); + counts[EFCT_HW_HOST_STAT_DROP_FRM_DUE_TO_NO_RQ_BUF_COUNT].counter = + le32_to_cpu(mbox_rsp->no_rq_buf_dropped_frames_cnt); + counts[EFCT_HW_HOST_STAT_EMPTY_RQ_TIMEOUT_COUNT].counter = + le32_to_cpu(mbox_rsp->empty_rq_timeout_cnt); + counts[EFCT_HW_HOST_STAT_DROP_FRM_DUE_TO_NO_XRI_COUNT].counter = + le32_to_cpu(mbox_rsp->no_xri_dropped_frames_cnt); + counts[EFCT_HW_HOST_STAT_EMPTY_XRI_POOL_COUNT].counter = + le32_to_cpu(mbox_rsp->empty_xri_pool_cnt); + + if (cb_arg) { + if (cb_arg->cb) { + if (status == 0 && le16_to_cpu(mbox_rsp->hdr.status)) + status = le16_to_cpu(mbox_rsp->hdr.status); + cb_arg->cb(status, num_counters, counts, cb_arg->arg); + } + + kfree(cb_arg); + } + + return 0; +} + +int +efct_hw_get_host_stats(struct efct_hw *hw, u8 cc, + void (*cb)(int status, u32 num_counters, + struct efct_hw_host_stat_counts *counters, + void *arg), + void *arg) +{ + int rc = -EIO; + struct efct_hw_host_stat_cb_arg *cb_arg; + u8 mbxdata[SLI4_BMBX_SIZE]; + + cb_arg = kmalloc(sizeof(*cb_arg), GFP_ATOMIC); + if (!cb_arg) + return -ENOMEM; + + cb_arg->cb = cb; + cb_arg->arg = arg; + + /* Send the HW command to get the host stats */ + if (!sli_cmd_read_status(&hw->sli, mbxdata, cc)) + rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT, + efct_hw_cb_host_stat, cb_arg); + + if (rc) { + efc_log_debug(hw->os, "READ_HOST_STATS failed\n"); + kfree(cb_arg); + } + + return rc; +} + +struct efct_hw_async_call_ctx { + efct_hw_async_cb_t callback; + void *arg; + u8 cmd[SLI4_BMBX_SIZE]; +}; + +static void +efct_hw_async_cb(struct efct_hw *hw, int status, u8 *mqe, void *arg) +{ + struct efct_hw_async_call_ctx *ctx = arg; + + if (ctx) { + if (ctx->callback) + (*ctx->callback)(hw, status, mqe, ctx->arg); + + kfree(ctx); + } +} + +int +efct_hw_async_call(struct efct_hw *hw, efct_hw_async_cb_t callback, void *arg) +{ + struct efct_hw_async_call_ctx *ctx; + int rc; + + /* + * Allocate a callback context (which includes the mbox cmd buffer), + * we need this to be persistent as the mbox cmd submission may be + * queued and executed later execution. + */ + ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->callback = callback; + ctx->arg = arg; + + /* Build and send a NOP mailbox command */ + if (sli_cmd_common_nop(&hw->sli, ctx->cmd, 0)) { + efc_log_err(hw->os, "COMMON_NOP format failure\n"); + kfree(ctx); + return -EIO; + } + + rc = efct_hw_command(hw, ctx->cmd, EFCT_CMD_NOWAIT, efct_hw_async_cb, + ctx); + if (rc) { + efc_log_err(hw->os, "COMMON_NOP command failure, rc=%d\n", rc); + kfree(ctx); + return -EIO; + } + return 0; +} + +static int +efct_hw_cb_fw_write(struct efct_hw *hw, int status, u8 *mqe, void *arg) +{ + struct sli4_cmd_sli_config *mbox_rsp = + (struct sli4_cmd_sli_config *)mqe; + struct sli4_rsp_cmn_write_object *wr_obj_rsp; + struct efct_hw_fw_wr_cb_arg *cb_arg = arg; + u32 bytes_written; + u16 mbox_status; + u32 change_status; + + wr_obj_rsp = (struct sli4_rsp_cmn_write_object *) + &mbox_rsp->payload.embed; + bytes_written = le32_to_cpu(wr_obj_rsp->actual_write_length); + mbox_status = le16_to_cpu(mbox_rsp->hdr.status); + change_status = (le32_to_cpu(wr_obj_rsp->change_status_dword) & + RSP_CHANGE_STATUS); + + if (cb_arg) { + if (cb_arg->cb) { + if (!status && mbox_status) + status = mbox_status; + cb_arg->cb(status, bytes_written, change_status, + cb_arg->arg); + } + + kfree(cb_arg); + } + + return 0; +} + +int +efct_hw_firmware_write(struct efct_hw *hw, struct efc_dma *dma, u32 size, + u32 offset, int last, + void (*cb)(int status, u32 bytes_written, + u32 change_status, void *arg), + void *arg) +{ + int rc = -EIO; + u8 mbxdata[SLI4_BMBX_SIZE]; + struct efct_hw_fw_wr_cb_arg *cb_arg; + int noc = 0; + + cb_arg = kzalloc(sizeof(*cb_arg), GFP_KERNEL); + if (!cb_arg) + return -ENOMEM; + + cb_arg->cb = cb; + cb_arg->arg = arg; + + /* Write a portion of a firmware image to the device */ + if (!sli_cmd_common_write_object(&hw->sli, mbxdata, + noc, last, size, offset, "/prg/", + dma)) + rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT, + efct_hw_cb_fw_write, cb_arg); + + if (rc != 0) { + efc_log_debug(hw->os, "COMMON_WRITE_OBJECT failed\n"); + kfree(cb_arg); + } + + return rc; +} diff --git a/drivers/scsi/elx/efct/efct_hw.h b/drivers/scsi/elx/efct/efct_hw.h index b9e7f5b4115b..016ba6ac7b96 100644 --- a/drivers/scsi/elx/efct/efct_hw.h +++ b/drivers/scsi/elx/efct/efct_hw.h @@ -705,4 +705,33 @@ int efct_hw_bls_send(struct efct *efct, u32 type, struct sli_bls_params *bls_params, void *cb, void *arg); +/* Function for retrieving link statistics */ +int +efct_hw_get_link_stats(struct efct_hw *hw, + u8 req_ext_counters, + u8 clear_overflow_flags, + u8 clear_all_counters, + void (*efct_hw_link_stat_cb_t)(int status, + u32 num_counters, + struct efct_hw_link_stat_counts *counters, void *arg), + void *arg); +/* Function for retrieving host statistics */ +int +efct_hw_get_host_stats(struct efct_hw *hw, + u8 cc, + void (*efct_hw_host_stat_cb_t)(int status, + u32 num_counters, + struct efct_hw_host_stat_counts *counters, void *arg), + void *arg); +int +efct_hw_firmware_write(struct efct_hw *hw, struct efc_dma *dma, + u32 size, u32 offset, int last, + void (*cb)(int status, u32 bytes_written, + u32 change_status, void *arg), + void *arg); +typedef void (*efct_hw_async_cb_t)(struct efct_hw *hw, int status, + u8 *mqe, void *arg); +int +efct_hw_async_call(struct efct_hw *hw, efct_hw_async_cb_t callback, void *arg); + #endif /* __EFCT_H__ */