From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2400F25100 for ; Tue, 3 Oct 2023 13:15:17 +0000 (UTC) Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2321CA3; Tue, 3 Oct 2023 06:15:15 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id 2adb3069b0e04-5041bb9ce51so1073938e87.1; Tue, 03 Oct 2023 06:15:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696338913; x=1696943713; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Yp1yNMJhm0Xmlti2S7KpcZZ4ydY0GaIDDg/yGsmahK4=; b=ZRwVyg2GkNRoIsYEvQJXl5+sZx+STKoDl52IWahz2CC9M46JK3dJ0zi4E6XLOqvj+z mdozuD5mdOp+n490wcoFhzbvdRDvJ0c391eIhaGxCsjvH2LxyfzOIRD47A6WYDW2LpQj BcXq+o3Lgj19iWmwCrSLb2jtfL7/AfwoaIdAnG76C13VHxcP7nI1P4DNrh8ukC0zSnMi 3y/rjBdirpg+3Fb/EEOicLzUzAo+TpSDLLsRmy9L6uXrx8HvuidngGRGYf9QnQkQI3DJ vR8ViGfEcq1T7XwmtrLJ65vQkWRXZx2vV2qQDJVsTVxArEVZbdYbD1/QMy3ho65tbbpv ma2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696338913; x=1696943713; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Yp1yNMJhm0Xmlti2S7KpcZZ4ydY0GaIDDg/yGsmahK4=; b=g5eDBlPYzrYsBLITGTTOUcl9exJQiIsqKunz+u/9HhNTjO1Lin3zduRQBJMdhLmC5m vSj3Zjkxd0QnZjUNqmI6mqpt/8nmzi8y9xbb+taIwbV/tVL+QhRpfXNa+elkwkPVbSSr wmHYDVTjnVce3HowwUUAOdhliCI2Zpxu1mrpvzRXhk/CD4l/uH9fQm2z9C32O0GNnM7g hrrwfFJJeh4dphgQUSXoHaMuJkCD/2AqPIQt2azix6gU3wIXlc0RUZvRuDAmB0PvFm7w qv9FZi4z4JRefIJF3faql85lkZA31TijUybCPTykqRRRoyeaD9MaqsRMyq/FWInebfqt WuHw== X-Gm-Message-State: AOJu0Yz+yph4APsb32rVnucOxos69LDUm6G2WW+6CwvhbsFTztIZ/6pY LEwdjmum6vFHEF4ixiPNCUU= X-Google-Smtp-Source: AGHT+IHbMsTegDEwoj9BuldQIUxNWX92UFozbcWHm4s/XgxrA00XKAvMP/AIUZU4vo3bB2IQtgNLSw== X-Received: by 2002:ac2:4947:0:b0:500:a5af:86a4 with SMTP id o7-20020ac24947000000b00500a5af86a4mr9777373lfi.43.1696338913174; Tue, 03 Oct 2023 06:15:13 -0700 (PDT) Received: from PC10319.67 ([82.97.198.254]) by smtp.googlemail.com with ESMTPSA id t25-20020a2e7819000000b002b9de06f119sm228657ljc.67.2023.10.03.06.15.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Oct 2023 06:15:12 -0700 (PDT) From: Konstantin Aladyshev To: Cc: minyard@acm.org, joel@jms.id.au, andrew@aj.id.au, avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, aladyshev22@gmail.com, jk@codeconstruct.com.au, matt@codeconstruct.com.au, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, openipmi-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, netdev@vger.kernel.org Subject: [PATCH v3 2/3] ipmi: Create header with KCS interface defines Date: Tue, 3 Oct 2023 16:15:04 +0300 Message-Id: <20231003131505.337-3-aladyshev22@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231003131505.337-1-aladyshev22@gmail.com> References: <20231003131505.337-1-aladyshev22@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Some definitions from the current kcs_bmc_cdev_ipmi driver can be also utilized by the MTCP KCS binding driver. Move such definitions to the common header file. Signed-off-by: Konstantin Aladyshev --- drivers/char/ipmi/kcs_bmc_cdev_ipmi.c | 71 +----------------------- include/linux/ipmi_kcs.h | 80 +++++++++++++++++++++++++++ 2 files changed, 81 insertions(+), 70 deletions(-) create mode 100644 include/linux/ipmi_kcs.h diff --git a/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c b/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c index bf1001130a6c..f158f676114c 100644 --- a/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c +++ b/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -19,53 +20,6 @@ #include -/* Different phases of the KCS BMC module. - * KCS_PHASE_IDLE: - * BMC should not be expecting nor sending any data. - * KCS_PHASE_WRITE_START: - * BMC is receiving a WRITE_START command from system software. - * KCS_PHASE_WRITE_DATA: - * BMC is receiving a data byte from system software. - * KCS_PHASE_WRITE_END_CMD: - * BMC is waiting a last data byte from system software. - * KCS_PHASE_WRITE_DONE: - * BMC has received the whole request from system software. - * KCS_PHASE_WAIT_READ: - * BMC is waiting the response from the upper IPMI service. - * KCS_PHASE_READ: - * BMC is transferring the response to system software. - * KCS_PHASE_ABORT_ERROR1: - * BMC is waiting error status request from system software. - * KCS_PHASE_ABORT_ERROR2: - * BMC is waiting for idle status afer error from system software. - * KCS_PHASE_ERROR: - * BMC has detected a protocol violation at the interface level. - */ -enum kcs_ipmi_phases { - KCS_PHASE_IDLE, - - KCS_PHASE_WRITE_START, - KCS_PHASE_WRITE_DATA, - KCS_PHASE_WRITE_END_CMD, - KCS_PHASE_WRITE_DONE, - - KCS_PHASE_WAIT_READ, - KCS_PHASE_READ, - - KCS_PHASE_ABORT_ERROR1, - KCS_PHASE_ABORT_ERROR2, - KCS_PHASE_ERROR -}; - -/* IPMI 2.0 - Table 9-4, KCS Interface Status Codes */ -enum kcs_ipmi_errors { - KCS_NO_ERROR = 0x00, - KCS_ABORTED_BY_COMMAND = 0x01, - KCS_ILLEGAL_CONTROL_CODE = 0x02, - KCS_LENGTH_ERROR = 0x06, - KCS_UNSPECIFIED_ERROR = 0xFF -}; - struct kcs_bmc_ipmi { struct list_head entry; @@ -95,29 +49,6 @@ struct kcs_bmc_ipmi { #define KCS_MSG_BUFSIZ 1000 -#define KCS_ZERO_DATA 0 - -/* IPMI 2.0 - Table 9-1, KCS Interface Status Register Bits */ -#define KCS_STATUS_STATE(state) (state << 6) -#define KCS_STATUS_STATE_MASK GENMASK(7, 6) -#define KCS_STATUS_CMD_DAT BIT(3) -#define KCS_STATUS_SMS_ATN BIT(2) -#define KCS_STATUS_IBF BIT(1) -#define KCS_STATUS_OBF BIT(0) - -/* IPMI 2.0 - Table 9-2, KCS Interface State Bits */ -enum kcs_states { - IDLE_STATE = 0, - READ_STATE = 1, - WRITE_STATE = 2, - ERROR_STATE = 3, -}; - -/* IPMI 2.0 - Table 9-3, KCS Interface Control Codes */ -#define KCS_CMD_GET_STATUS_ABORT 0x60 -#define KCS_CMD_WRITE_START 0x61 -#define KCS_CMD_WRITE_END 0x62 -#define KCS_CMD_READ_BYTE 0x68 static inline void set_state(struct kcs_bmc_ipmi *priv, u8 state) { diff --git a/include/linux/ipmi_kcs.h b/include/linux/ipmi_kcs.h new file mode 100644 index 000000000000..30c4b6e4d689 --- /dev/null +++ b/include/linux/ipmi_kcs.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2015-2018, Intel Corporation. + */ + +#ifndef __IPMI_KCS_H__ +#define __IPMI_KCS_H__ + +/* Different phases of the KCS BMC module. + * KCS_PHASE_IDLE: + * BMC should not be expecting nor sending any data. + * KCS_PHASE_WRITE_START: + * BMC is receiving a WRITE_START command from system software. + * KCS_PHASE_WRITE_DATA: + * BMC is receiving a data byte from system software. + * KCS_PHASE_WRITE_END_CMD: + * BMC is waiting a last data byte from system software. + * KCS_PHASE_WRITE_DONE: + * BMC has received the whole request from system software. + * KCS_PHASE_WAIT_READ: + * BMC is waiting the response from the upper IPMI service. + * KCS_PHASE_READ: + * BMC is transferring the response to system software. + * KCS_PHASE_ABORT_ERROR1: + * BMC is waiting error status request from system software. + * KCS_PHASE_ABORT_ERROR2: + * BMC is waiting for idle status afer error from system software. + * KCS_PHASE_ERROR: + * BMC has detected a protocol violation at the interface level. + */ +enum kcs_ipmi_phases { + KCS_PHASE_IDLE, + + KCS_PHASE_WRITE_START, + KCS_PHASE_WRITE_DATA, + KCS_PHASE_WRITE_END_CMD, + KCS_PHASE_WRITE_DONE, + + KCS_PHASE_WAIT_READ, + KCS_PHASE_READ, + + KCS_PHASE_ABORT_ERROR1, + KCS_PHASE_ABORT_ERROR2, + KCS_PHASE_ERROR +}; + +/* IPMI 2.0 - Table 9-4, KCS Interface Status Codes */ +enum kcs_ipmi_errors { + KCS_NO_ERROR = 0x00, + KCS_ABORTED_BY_COMMAND = 0x01, + KCS_ILLEGAL_CONTROL_CODE = 0x02, + KCS_LENGTH_ERROR = 0x06, + KCS_UNSPECIFIED_ERROR = 0xFF +}; + +#define KCS_ZERO_DATA 0 + +/* IPMI 2.0 - Table 9-1, KCS Interface Status Register Bits */ +#define KCS_STATUS_STATE(state) (state << 6) +#define KCS_STATUS_STATE_MASK GENMASK(7, 6) +#define KCS_STATUS_CMD_DAT BIT(3) +#define KCS_STATUS_SMS_ATN BIT(2) +#define KCS_STATUS_IBF BIT(1) +#define KCS_STATUS_OBF BIT(0) + +/* IPMI 2.0 - Table 9-2, KCS Interface State Bits */ +enum kcs_states { + IDLE_STATE = 0, + READ_STATE = 1, + WRITE_STATE = 2, + ERROR_STATE = 3, +}; + +/* IPMI 2.0 - Table 9-3, KCS Interface Control Codes */ +#define KCS_CMD_GET_STATUS_ABORT 0x60 +#define KCS_CMD_WRITE_START 0x61 +#define KCS_CMD_WRITE_END 0x62 +#define KCS_CMD_READ_BYTE 0x68 + +#endif /* __IPMI_KCS_H__ */ -- 2.25.1