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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_config.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_config.c38
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c
index 2b4d376..8637780 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_config.c
@@ -2,7 +2,7 @@
* This module provides common API for accessing firmware configuration pages
*
* This code is based on drivers/scsi/mpt2sas/mpt2_base.c
- * Copyright (C) 2007-2010 LSI Corporation
+ * Copyright (C) 2007-2012 LSI Corporation
* (mailto:DL-MPTFusionLinux@lsi.com)
*
* This program is free software; you can redistribute it and/or
@@ -683,6 +683,42 @@ mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
}
/**
+ * mpt2sas_config_get_iounit_pg3 - obtain iounit page 3
+ * @ioc: per adapter object
+ * @mpi_reply: reply mf payload returned from firmware
+ * @config_page: contents of the config page
+ * @sz: size of buffer passed in config_page
+ * Context: sleep.
+ *
+ * Returns 0 for success, non-zero for failure.
+ */
+int
+mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
+ Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz)
+{
+ 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 = 3;
+ mpi_request.Header.PageVersion = MPI2_IOUNITPAGE3_PAGEVERSION;
+ mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
+ r = _config_request(ioc, &mpi_request, mpi_reply,
+ MPT2_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,
+ MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
+ out:
+ return r;
+}
+
+/**
* mpt2sas_config_get_ioc_pg8 - obtain ioc page 8
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
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