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Bottomley" , "Martin K. Petersen" Cc: Guenter Roeck , MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] scsi: mpt3sas: add IO Unit Page 7 config accessor Date: Mon, 18 May 2026 20:41:08 +0200 Message-ID: <20260518184109.770185-2-sautier.louis@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260518184109.770185-1-sautier.louis@gmail.com> References: <20260518184109.770185-1-sautier.louis@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add mpt3sas_config_get_iounit_pg7(), mirroring the existing iounit page accessors. Used by the hwmon driver added in the following patch to read the IOC and board temperatures. Assisted-by: Claude:claude-opus-4-7 Signed-off-by: Louis Sautier --- drivers/scsi/mpt3sas/mpt3sas_base.h | 2 ++ drivers/scsi/mpt3sas/mpt3sas_config.c | 36 +++++++++++++++++++++++++++ 2 files changed, 38 insertions(+) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index d4597d058705..c655742d0dde 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -1904,6 +1904,8 @@ int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz); int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page); +int mpt3sas_config_get_iounit_pg7(struct MPT3SAS_ADAPTER *ioc, + Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage7_t *config_page); int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page); int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, diff --git a/drivers/scsi/mpt3sas/mpt3sas_config.c b/drivers/scsi/mpt3sas/mpt3sas_config.c index 45ac853e1289..ef07825046bc 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_config.c +++ b/drivers/scsi/mpt3sas/mpt3sas_config.c @@ -991,6 +991,42 @@ mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc, return r; } +/** + * mpt3sas_config_get_iounit_pg7 - obtain iounit page 7 + * @ioc: per adapter object + * @mpi_reply: reply mf payload returned from firmware + * @config_page: contents of the config page + * Context: sleep. + * + * Return: 0 for success, non-zero for failure. + */ +int +mpt3sas_config_get_iounit_pg7(struct MPT3SAS_ADAPTER *ioc, + Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage7_t *config_page) +{ + Mpi2ConfigRequest_t mpi_request; + int r; + + memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); + mpi_request.Function = MPI2_FUNCTION_CONFIG; + mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; + mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT; + mpi_request.Header.PageNumber = 7; + mpi_request.Header.PageVersion = MPI2_IOUNITPAGE7_PAGEVERSION; + ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE); + r = _config_request(ioc, &mpi_request, mpi_reply, + MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); + if (r) + goto out; + + mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; + r = _config_request(ioc, &mpi_request, mpi_reply, + MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, + sizeof(*config_page)); + out: + return r; +} + /** * mpt3sas_config_get_iounit_pg8 - obtain iounit page 8 * @ioc: per adapter object -- 2.54.0