mpt3sas: Used IEEE SGL instead of MPI SGL while framing a SMP Passthrough request message.
As driver was using MPI SGL while framing the SMP Passthrough request message due to which firmware unable to post the Reply Data in the host memory and timeout is observed for this SMP Passthrough request message and so unable to perform phy disable operation. Signed-off-by: Suganath prabu Subramani <suganath-prabu.subramani@avagotech.com> Signed-off-by: Chaitra P B <chaitra.basappa@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -1418,7 +1418,6 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc,
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u32 ioc_state;
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unsigned long timeleft;
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void *psge;
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u32 sgl_flags;
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u8 issue_reset = 0;
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void *data_out = NULL;
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dma_addr_t data_out_dma;
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@ -1507,24 +1506,10 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc,
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cpu_to_le16(sizeof(struct phy_error_log_request));
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psge = &mpi_request->SGL;
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/* WRITE sgel first */
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sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
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MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
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sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
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ioc->base_add_sg_single(psge, sgl_flags |
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sizeof(struct phy_control_request), data_out_dma);
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/* incr sgel */
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psge += ioc->sge_size;
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/* READ sgel last */
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sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
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MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
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MPI2_SGE_FLAGS_END_OF_LIST);
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sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
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ioc->base_add_sg_single(psge, sgl_flags |
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sizeof(struct phy_control_reply), data_out_dma +
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sizeof(struct phy_control_request));
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ioc->build_sg(ioc, psge, data_out_dma,
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sizeof(struct phy_control_request),
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data_out_dma + sizeof(struct phy_control_request),
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sizeof(struct phy_control_reply));
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dtransportprintk(ioc, pr_info(MPT3SAS_FMT
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"phy_control - send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n",
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