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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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IB/iser: Centralize ib_sig_domain settings
Later there will be more parameters to set, so we want to do it in a centralized place. This patch does not change any functionality. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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@ -457,44 +457,44 @@ scsi2ib_prot_type(unsigned char prot_type)
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}
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}
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static inline void
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iser_set_dif_domain(struct scsi_cmnd *sc, struct ib_sig_attrs *sig_attrs,
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struct ib_sig_domain *domain)
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{
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unsigned char scsi_ptype = scsi_get_prot_type(sc);
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domain->sig.dif.type = scsi2ib_prot_type(scsi_ptype);
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domain->sig.dif.pi_interval = sc->device->sector_size;
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domain->sig.dif.ref_tag = scsi_get_lba(sc) & 0xffffffff;
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};
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static int
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iser_set_sig_attrs(struct scsi_cmnd *sc, struct ib_sig_attrs *sig_attrs)
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{
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unsigned char scsi_ptype = scsi_get_prot_type(sc);
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sig_attrs->mem.sig_type = IB_SIG_TYPE_T10_DIF;
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sig_attrs->wire.sig_type = IB_SIG_TYPE_T10_DIF;
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sig_attrs->mem.sig.dif.pi_interval = sc->device->sector_size;
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sig_attrs->wire.sig.dif.pi_interval = sc->device->sector_size;
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switch (scsi_get_prot_op(sc)) {
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case SCSI_PROT_WRITE_INSERT:
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case SCSI_PROT_READ_STRIP:
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sig_attrs->mem.sig.dif.type = IB_T10DIF_NONE;
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sig_attrs->wire.sig.dif.type = scsi2ib_prot_type(scsi_ptype);
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iser_set_dif_domain(sc, sig_attrs, &sig_attrs->wire);
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sig_attrs->wire.sig.dif.bg_type = IB_T10DIF_CRC;
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sig_attrs->wire.sig.dif.ref_tag = scsi_get_lba(sc) &
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0xffffffff;
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break;
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case SCSI_PROT_READ_INSERT:
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case SCSI_PROT_WRITE_STRIP:
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sig_attrs->mem.sig.dif.type = scsi2ib_prot_type(scsi_ptype);
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sig_attrs->mem.sig.dif.bg_type = IB_T10DIF_CRC;
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sig_attrs->mem.sig.dif.ref_tag = scsi_get_lba(sc) &
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0xffffffff;
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sig_attrs->wire.sig.dif.type = IB_T10DIF_NONE;
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iser_set_dif_domain(sc, sig_attrs, &sig_attrs->mem);
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sig_attrs->mem.sig.dif.bg_type = iser_pi_guard ? IB_T10DIF_CSUM :
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IB_T10DIF_CRC;
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break;
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case SCSI_PROT_READ_PASS:
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case SCSI_PROT_WRITE_PASS:
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sig_attrs->mem.sig.dif.type = scsi2ib_prot_type(scsi_ptype);
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sig_attrs->mem.sig.dif.bg_type = IB_T10DIF_CRC;
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sig_attrs->mem.sig.dif.ref_tag = scsi_get_lba(sc) &
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0xffffffff;
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sig_attrs->wire.sig.dif.type = scsi2ib_prot_type(scsi_ptype);
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iser_set_dif_domain(sc, sig_attrs, &sig_attrs->wire);
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sig_attrs->wire.sig.dif.bg_type = IB_T10DIF_CRC;
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sig_attrs->wire.sig.dif.ref_tag = scsi_get_lba(sc) &
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0xffffffff;
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iser_set_dif_domain(sc, sig_attrs, &sig_attrs->mem);
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sig_attrs->mem.sig.dif.bg_type = iser_pi_guard ? IB_T10DIF_CSUM :
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IB_T10DIF_CRC;
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break;
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default:
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iser_err("Unsupported PI operation %d\n",
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