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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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[SCSI] aic79xx: DV parameter settings
This patch updates various scsi_transport_spi parameters with the actual parameters used by the driver internally. Domain Validation for all devices should now work properly. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Hannes Reinecke
James Bottomley
parent
73a2546210
commit
a4b53a1180
@ -1636,9 +1636,9 @@ ahd_send_async(struct ahd_softc *ahd, char channel,
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spi_period(starget) = tinfo->curr.period;
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spi_width(starget) = tinfo->curr.width;
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spi_offset(starget) = tinfo->curr.offset;
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spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ;
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spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ;
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spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ;
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spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ ? 1 : 0;
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spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ ? 1 : 0;
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spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ ? 1 : 0;
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spi_display_xfer_agreement(starget);
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break;
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}
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@ -2318,6 +2318,18 @@ ahd_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
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static void ahd_linux_exit(void);
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static void ahd_linux_set_xferflags(struct scsi_target *starget, unsigned int ppr_options, unsigned int period)
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{
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spi_qas(starget) = (ppr_options & MSG_EXT_PPR_QAS_REQ)? 1 : 0;
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spi_dt(starget) = (ppr_options & MSG_EXT_PPR_DT_REQ)? 1 : 0;
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spi_iu(starget) = (ppr_options & MSG_EXT_PPR_IU_REQ) ? 1 : 0;
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spi_rd_strm(starget) = (ppr_options & MSG_EXT_PPR_RD_STRM) ? 1 : 0;
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spi_wr_flow(starget) = (ppr_options & MSG_EXT_PPR_WR_FLOW) ? 1 : 0;
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spi_pcomp_en(starget) = (ppr_options & MSG_EXT_PPR_PCOMP_EN) ? 1 : 0;
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spi_rti(starget) = (ppr_options & MSG_EXT_PPR_RTI) ? 1 : 0;
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spi_period(starget) = period;
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}
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static void ahd_linux_set_width(struct scsi_target *starget, int width)
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{
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struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
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@ -2343,9 +2355,14 @@ static void ahd_linux_set_period(struct scsi_target *starget, int period)
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shost->this_id, starget->id, &tstate);
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struct ahd_devinfo devinfo;
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unsigned int ppr_options = tinfo->goal.ppr_options;
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unsigned int dt;
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unsigned long flags;
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unsigned long offset = tinfo->goal.offset;
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: set period to %d\n", ahd_name(ahd), period);
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#endif
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if (offset == 0)
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offset = MAX_OFFSET;
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@ -2357,6 +2374,8 @@ static void ahd_linux_set_period(struct scsi_target *starget, int period)
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ppr_options |= MSG_EXT_PPR_IU_REQ;
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}
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dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
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starget->channel + 'A', ROLE_INITIATOR);
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@ -2366,7 +2385,11 @@ static void ahd_linux_set_period(struct scsi_target *starget, int period)
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ppr_options &= MSG_EXT_PPR_QAS_REQ;
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}
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ahd_find_syncrate(ahd, &period, &ppr_options, AHD_SYNCRATE_MAX);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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ahd_linux_set_xferflags(starget, ppr_options, period);
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, offset,
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ppr_options, AHD_TRANS_GOAL, FALSE);
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@ -2385,15 +2408,24 @@ static void ahd_linux_set_offset(struct scsi_target *starget, int offset)
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struct ahd_devinfo devinfo;
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unsigned int ppr_options = 0;
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unsigned int period = 0;
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unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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unsigned long flags;
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: set offset to %d\n", ahd_name(ahd), offset);
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#endif
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ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
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starget->channel + 'A', ROLE_INITIATOR);
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if (offset != 0) {
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period = tinfo->goal.period;
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ppr_options = tinfo->goal.ppr_options;
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ahd_find_syncrate(ahd, &period, &ppr_options, AHD_SYNCRATE_MAX);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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}
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ahd_linux_set_xferflags(starget, ppr_options, period);
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, offset, ppr_options,
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AHD_TRANS_GOAL, FALSE);
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@ -2415,17 +2447,28 @@ static void ahd_linux_set_dt(struct scsi_target *starget, int dt)
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unsigned int period = tinfo->goal.period;
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unsigned long flags;
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: %s DT\n", ahd_name(ahd),
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dt ? "enabling" : "disabling");
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#endif
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if (dt) {
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ppr_options |= MSG_EXT_PPR_DT_REQ;
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if (period > 9)
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period = 9; /* at least 12.5ns for DT */
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} else if (period <= 9)
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period = 10; /* If resetting DT, period must be >= 25ns */
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} else {
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if (period <= 9)
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period = 10; /* If resetting DT, period must be >= 25ns */
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/* IU is invalid without DT set */
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ppr_options &= ~MSG_EXT_PPR_IU_REQ;
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}
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ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
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starget->channel + 'A', ROLE_INITIATOR);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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ahd_linux_set_xferflags(starget, ppr_options, period);
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
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ppr_options, AHD_TRANS_GOAL, FALSE);
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@ -2445,16 +2488,28 @@ static void ahd_linux_set_qas(struct scsi_target *starget, int qas)
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unsigned int ppr_options = tinfo->goal.ppr_options
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& ~MSG_EXT_PPR_QAS_REQ;
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unsigned int period = tinfo->goal.period;
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unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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unsigned int dt;
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unsigned long flags;
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if (qas)
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ppr_options |= MSG_EXT_PPR_QAS_REQ;
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: %s QAS\n", ahd_name(ahd),
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qas ? "enabling" : "disabling");
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#endif
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if (qas) {
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ppr_options |= MSG_EXT_PPR_QAS_REQ;
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}
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dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
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starget->channel + 'A', ROLE_INITIATOR);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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spi_qas(starget) = (ppr_options & MSG_EXT_PPR_QAS_REQ)? 1 : 0;
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
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ppr_options, AHD_TRANS_GOAL, FALSE);
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@ -2474,16 +2529,29 @@ static void ahd_linux_set_iu(struct scsi_target *starget, int iu)
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unsigned int ppr_options = tinfo->goal.ppr_options
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& ~MSG_EXT_PPR_IU_REQ;
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unsigned int period = tinfo->goal.period;
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unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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unsigned int dt;
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unsigned long flags;
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if (iu)
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: %s IU\n", ahd_name(ahd),
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iu ? "enabling" : "disabling");
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#endif
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if (iu) {
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ppr_options |= MSG_EXT_PPR_IU_REQ;
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ppr_options |= MSG_EXT_PPR_DT_REQ; /* IU requires DT */
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}
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dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
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starget->channel + 'A', ROLE_INITIATOR);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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ahd_linux_set_xferflags(starget, ppr_options, period);
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
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ppr_options, AHD_TRANS_GOAL, FALSE);
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@ -2506,6 +2574,12 @@ static void ahd_linux_set_rd_strm(struct scsi_target *starget, int rdstrm)
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unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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unsigned long flags;
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: %s Read Streaming\n", ahd_name(ahd),
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rdstrm ? "enabling" : "disabling");
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#endif
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if (rdstrm)
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ppr_options |= MSG_EXT_PPR_RD_STRM;
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@ -2513,6 +2587,131 @@ static void ahd_linux_set_rd_strm(struct scsi_target *starget, int rdstrm)
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starget->channel + 'A', ROLE_INITIATOR);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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spi_rd_strm(starget) = (ppr_options & MSG_EXT_PPR_RD_STRM) ? 1 : 0;
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
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ppr_options, AHD_TRANS_GOAL, FALSE);
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ahd_unlock(ahd, &flags);
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}
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static void ahd_linux_set_wr_flow(struct scsi_target *starget, int wrflow)
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{
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struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
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struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
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struct ahd_tmode_tstate *tstate;
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struct ahd_initiator_tinfo *tinfo
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= ahd_fetch_transinfo(ahd,
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starget->channel + 'A',
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shost->this_id, starget->id, &tstate);
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struct ahd_devinfo devinfo;
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unsigned int ppr_options = tinfo->goal.ppr_options
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& ~MSG_EXT_PPR_WR_FLOW;
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unsigned int period = tinfo->goal.period;
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unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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unsigned long flags;
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: %s Write Flow Control\n", ahd_name(ahd),
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wrflow ? "enabling" : "disabling");
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#endif
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if (wrflow)
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ppr_options |= MSG_EXT_PPR_WR_FLOW;
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ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
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starget->channel + 'A', ROLE_INITIATOR);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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spi_wr_flow(starget) = (ppr_options & MSG_EXT_PPR_WR_FLOW) ? 1 : 0;
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
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ppr_options, AHD_TRANS_GOAL, FALSE);
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ahd_unlock(ahd, &flags);
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}
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static void ahd_linux_set_rti(struct scsi_target *starget, int rti)
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{
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struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
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struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
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struct ahd_tmode_tstate *tstate;
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struct ahd_initiator_tinfo *tinfo
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= ahd_fetch_transinfo(ahd,
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starget->channel + 'A',
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shost->this_id, starget->id, &tstate);
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struct ahd_devinfo devinfo;
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unsigned int ppr_options = tinfo->goal.ppr_options
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& ~MSG_EXT_PPR_RTI;
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unsigned int period = tinfo->goal.period;
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unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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unsigned long flags;
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if ((ahd->features & AHD_RTI) == 0) {
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: RTI not available\n", ahd_name(ahd));
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#endif
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return;
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}
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: %s RTI\n", ahd_name(ahd),
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rti ? "enabling" : "disabling");
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#endif
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if (rti)
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ppr_options |= MSG_EXT_PPR_RTI;
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ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
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starget->channel + 'A', ROLE_INITIATOR);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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spi_rti(starget) = (ppr_options & MSG_EXT_PPR_RTI) ? 1 : 0;
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
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ppr_options, AHD_TRANS_GOAL, FALSE);
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ahd_unlock(ahd, &flags);
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}
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static void ahd_linux_set_pcomp_en(struct scsi_target *starget, int pcomp)
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{
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struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
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struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
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struct ahd_tmode_tstate *tstate;
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struct ahd_initiator_tinfo *tinfo
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= ahd_fetch_transinfo(ahd,
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starget->channel + 'A',
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shost->this_id, starget->id, &tstate);
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struct ahd_devinfo devinfo;
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unsigned int ppr_options = tinfo->goal.ppr_options
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& ~MSG_EXT_PPR_PCOMP_EN;
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unsigned int period = tinfo->goal.period;
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unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
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unsigned long flags;
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#ifdef AHD_DEBUG
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if ((ahd_debug & AHD_SHOW_DV) != 0)
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printf("%s: %s Precompensation\n", ahd_name(ahd),
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pcomp ? "Enable" : "Disable");
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#endif
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if (pcomp)
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ppr_options |= MSG_EXT_PPR_PCOMP_EN;
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ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
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starget->channel + 'A', ROLE_INITIATOR);
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ahd_find_syncrate(ahd, &period, &ppr_options,
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dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
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spi_pcomp_en(starget) = (ppr_options & MSG_EXT_PPR_PCOMP_EN) ? 1 : 0;
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ahd_lock(ahd, &flags);
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ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
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ppr_options, AHD_TRANS_GOAL, FALSE);
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@ -2534,6 +2733,12 @@ static struct spi_function_template ahd_linux_transport_functions = {
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.show_qas = 1,
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.set_rd_strm = ahd_linux_set_rd_strm,
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.show_rd_strm = 1,
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.set_wr_flow = ahd_linux_set_wr_flow,
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.show_wr_flow = 1,
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.set_rti = ahd_linux_set_rti,
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.show_rti = 1,
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.set_pcomp_en = ahd_linux_set_pcomp_en,
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.show_pcomp_en = 1,
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};
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