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scsi: mpt3sas: Add IO Unit Page 7 config accessor

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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 <sautier.louis@gmail.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://patch.msgid.link/20260630224922.2543096-2-sautier.louis@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Louis Sautier
2026-07-01 00:49:21 +02:00
committed by Martin K. Petersen
parent dc59e4fea9
commit 2601899705
2 changed files with 39 additions and 0 deletions
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3
drivers/scsi/mpt3sas/mpt3sas_base.h
View File

@@ -1904,6 +1904,9 @@ 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,

36
drivers/scsi/mpt3sas/mpt3sas_config.c
View File

@@ -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