1MPT_HOST_PAGE_ACCESS(9) Message-based devices MPT_HOST_PAGE_ACCESS(9)
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6 mpt_host_page_access_control - control the IOC's Host Page Buffer
7 access
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10 int mpt_host_page_access_control(MPT_ADAPTER * ioc,
11 u8 access_control_value,
12 int sleepFlag);
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15 ioc
16 Pointer to MPT adapter structure
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18 access_control_value
19 define bits below
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21 sleepFlag
22 Specifies whether the process can sleep
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25 Provides mechanism for the host driver to control the IOC's Host Page
26 Buffer access.
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28 Access Control Value - bits[15:12] 0h Reserved 1h Enable Access {
29 MPI_DB_HPBAC_ENABLE_ACCESS } 2h Disable Access {
30 MPI_DB_HPBAC_DISABLE_ACCESS } 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER
31 }
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33 Returns 0 for success, non-zero for failure.
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36Kernel Hackers Manual 3.10 June 2019 MPT_HOST_PAGE_ACCESS(9)