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-rw-r--r--drivers/scsi/aic7xxx/aic79xx_osm.c231
1 files changed, 218 insertions, 13 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 70997ca28baa..cf8e0ca830a2 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -1636,9 +1636,9 @@ ahd_send_async(struct ahd_softc *ahd, char channel,
spi_period(starget) = tinfo->curr.period;
spi_width(starget) = tinfo->curr.width;
spi_offset(starget) = tinfo->curr.offset;
- spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ;
- spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ;
- spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ;
+ spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ ? 1 : 0;
+ spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ ? 1 : 0;
+ spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ ? 1 : 0;
spi_display_xfer_agreement(starget);
break;
}
@@ -2318,6 +2318,18 @@ done:
static void ahd_linux_exit(void);
+static void ahd_linux_set_xferflags(struct scsi_target *starget, unsigned int ppr_options, unsigned int period)
+{
+ spi_qas(starget) = (ppr_options & MSG_EXT_PPR_QAS_REQ)? 1 : 0;
+ spi_dt(starget) = (ppr_options & MSG_EXT_PPR_DT_REQ)? 1 : 0;
+ spi_iu(starget) = (ppr_options & MSG_EXT_PPR_IU_REQ) ? 1 : 0;
+ spi_rd_strm(starget) = (ppr_options & MSG_EXT_PPR_RD_STRM) ? 1 : 0;
+ spi_wr_flow(starget) = (ppr_options & MSG_EXT_PPR_WR_FLOW) ? 1 : 0;
+ spi_pcomp_en(starget) = (ppr_options & MSG_EXT_PPR_PCOMP_EN) ? 1 : 0;
+ spi_rti(starget) = (ppr_options & MSG_EXT_PPR_RTI) ? 1 : 0;
+ spi_period(starget) = period;
+}
+
static void ahd_linux_set_width(struct scsi_target *starget, int width)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2343,9 +2355,14 @@ static void ahd_linux_set_period(struct scsi_target *starget, int period)
shost->this_id, starget->id, &tstate);
struct ahd_devinfo devinfo;
unsigned int ppr_options = tinfo->goal.ppr_options;
+ unsigned int dt;
unsigned long flags;
unsigned long offset = tinfo->goal.offset;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: set period to %d\n", ahd_name(ahd), period);
+#endif
if (offset == 0)
offset = MAX_OFFSET;
@@ -2357,6 +2374,8 @@ static void ahd_linux_set_period(struct scsi_target *starget, int period)
ppr_options |= MSG_EXT_PPR_IU_REQ;
}
+ dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
@@ -2366,7 +2385,11 @@ static void ahd_linux_set_period(struct scsi_target *starget, int period)
ppr_options &= MSG_EXT_PPR_QAS_REQ;
}
- ahd_find_syncrate(ahd, &period, &ppr_options, AHD_SYNCRATE_MAX);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ ahd_linux_set_xferflags(starget, ppr_options, period);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
@@ -2385,15 +2408,24 @@ static void ahd_linux_set_offset(struct scsi_target *starget, int offset)
struct ahd_devinfo devinfo;
unsigned int ppr_options = 0;
unsigned int period = 0;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
unsigned long flags;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: set offset to %d\n", ahd_name(ahd), offset);
+#endif
+
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
if (offset != 0) {
period = tinfo->goal.period;
ppr_options = tinfo->goal.ppr_options;
- ahd_find_syncrate(ahd, &period, &ppr_options, AHD_SYNCRATE_MAX);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
}
+ ahd_linux_set_xferflags(starget, ppr_options, period);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, offset, ppr_options,
AHD_TRANS_GOAL, FALSE);
@@ -2415,17 +2447,28 @@ static void ahd_linux_set_dt(struct scsi_target *starget, int dt)
unsigned int period = tinfo->goal.period;
unsigned long flags;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s DT\n", ahd_name(ahd),
+ dt ? "enabling" : "disabling");
+#endif
if (dt) {
ppr_options |= MSG_EXT_PPR_DT_REQ;
if (period > 9)
period = 9; /* at least 12.5ns for DT */
- } else if (period <= 9)
- period = 10; /* If resetting DT, period must be >= 25ns */
-
+ } else {
+ if (period <= 9)
+ period = 10; /* If resetting DT, period must be >= 25ns */
+ /* IU is invalid without DT set */
+ ppr_options &= ~MSG_EXT_PPR_IU_REQ;
+ }
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
ahd_find_syncrate(ahd, &period, &ppr_options,
dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ ahd_linux_set_xferflags(starget, ppr_options, period);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
@@ -2445,16 +2488,28 @@ static void ahd_linux_set_qas(struct scsi_target *starget, int qas)
unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_QAS_REQ;
unsigned int period = tinfo->goal.period;
- unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned int dt;
unsigned long flags;
- if (qas)
- ppr_options |= MSG_EXT_PPR_QAS_REQ;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s QAS\n", ahd_name(ahd),
+ qas ? "enabling" : "disabling");
+#endif
+
+ if (qas) {
+ ppr_options |= MSG_EXT_PPR_QAS_REQ;
+ }
+
+ dt = ppr_options & MSG_EXT_PPR_DT_REQ;
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
ahd_find_syncrate(ahd, &period, &ppr_options,
dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ spi_qas(starget) = (ppr_options & MSG_EXT_PPR_QAS_REQ)? 1 : 0;
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
@@ -2474,16 +2529,29 @@ static void ahd_linux_set_iu(struct scsi_target *starget, int iu)
unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_IU_REQ;
unsigned int period = tinfo->goal.period;
- unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned int dt;
unsigned long flags;
- if (iu)
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s IU\n", ahd_name(ahd),
+ iu ? "enabling" : "disabling");
+#endif
+
+ if (iu) {
ppr_options |= MSG_EXT_PPR_IU_REQ;
+ ppr_options |= MSG_EXT_PPR_DT_REQ; /* IU requires DT */
+ }
+
+ dt = ppr_options & MSG_EXT_PPR_DT_REQ;
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
ahd_find_syncrate(ahd, &period, &ppr_options,
dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ ahd_linux_set_xferflags(starget, ppr_options, period);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
@@ -2506,6 +2574,12 @@ static void ahd_linux_set_rd_strm(struct scsi_target *starget, int rdstrm)
unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
unsigned long flags;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s Read Streaming\n", ahd_name(ahd),
+ rdstrm ? "enabling" : "disabling");
+#endif
+
if (rdstrm)
ppr_options |= MSG_EXT_PPR_RD_STRM;
@@ -2513,6 +2587,131 @@ static void ahd_linux_set_rd_strm(struct scsi_target *starget, int rdstrm)
starget->channel + 'A', ROLE_INITIATOR);
ahd_find_syncrate(ahd, &period, &ppr_options,
dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ spi_rd_strm(starget) = (ppr_options & MSG_EXT_PPR_RD_STRM) ? 1 : 0;
+
+ ahd_lock(ahd, &flags);
+ ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+ ppr_options, AHD_TRANS_GOAL, FALSE);
+ ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_wr_flow(struct scsi_target *starget, int wrflow)
+{
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+ struct ahd_tmode_tstate *tstate;
+ struct ahd_initiator_tinfo *tinfo
+ = ahd_fetch_transinfo(ahd,
+ starget->channel + 'A',
+ shost->this_id, starget->id, &tstate);
+ struct ahd_devinfo devinfo;
+ unsigned int ppr_options = tinfo->goal.ppr_options
+ & ~MSG_EXT_PPR_WR_FLOW;
+ unsigned int period = tinfo->goal.period;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned long flags;
+
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s Write Flow Control\n", ahd_name(ahd),
+ wrflow ? "enabling" : "disabling");
+#endif
+
+ if (wrflow)
+ ppr_options |= MSG_EXT_PPR_WR_FLOW;
+
+ ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+ starget->channel + 'A', ROLE_INITIATOR);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ spi_wr_flow(starget) = (ppr_options & MSG_EXT_PPR_WR_FLOW) ? 1 : 0;
+
+ ahd_lock(ahd, &flags);
+ ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+ ppr_options, AHD_TRANS_GOAL, FALSE);
+ ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_rti(struct scsi_target *starget, int rti)
+{
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+ struct ahd_tmode_tstate *tstate;
+ struct ahd_initiator_tinfo *tinfo
+ = ahd_fetch_transinfo(ahd,
+ starget->channel + 'A',
+ shost->this_id, starget->id, &tstate);
+ struct ahd_devinfo devinfo;
+ unsigned int ppr_options = tinfo->goal.ppr_options
+ & ~MSG_EXT_PPR_RTI;
+ unsigned int period = tinfo->goal.period;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned long flags;
+
+ if ((ahd->features & AHD_RTI) == 0) {
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: RTI not available\n", ahd_name(ahd));
+#endif
+ return;
+ }
+
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s RTI\n", ahd_name(ahd),
+ rti ? "enabling" : "disabling");
+#endif
+
+ if (rti)
+ ppr_options |= MSG_EXT_PPR_RTI;
+
+ ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+ starget->channel + 'A', ROLE_INITIATOR);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ spi_rti(starget) = (ppr_options & MSG_EXT_PPR_RTI) ? 1 : 0;
+
+ ahd_lock(ahd, &flags);
+ ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+ ppr_options, AHD_TRANS_GOAL, FALSE);
+ ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_pcomp_en(struct scsi_target *starget, int pcomp)
+{
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+ struct ahd_tmode_tstate *tstate;
+ struct ahd_initiator_tinfo *tinfo
+ = ahd_fetch_transinfo(ahd,
+ starget->channel + 'A',
+ shost->this_id, starget->id, &tstate);
+ struct ahd_devinfo devinfo;
+ unsigned int ppr_options = tinfo->goal.ppr_options
+ & ~MSG_EXT_PPR_PCOMP_EN;
+ unsigned int period = tinfo->goal.period;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned long flags;
+
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s Precompensation\n", ahd_name(ahd),
+ pcomp ? "Enable" : "Disable");
+#endif
+
+ if (pcomp)
+ ppr_options |= MSG_EXT_PPR_PCOMP_EN;
+
+ ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+ starget->channel + 'A', ROLE_INITIATOR);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ spi_pcomp_en(starget) = (ppr_options & MSG_EXT_PPR_PCOMP_EN) ? 1 : 0;
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
@@ -2534,6 +2733,12 @@ static struct spi_function_template ahd_linux_transport_functions = {
.show_qas = 1,
.set_rd_strm = ahd_linux_set_rd_strm,
.show_rd_strm = 1,
+ .set_wr_flow = ahd_linux_set_wr_flow,
+ .show_wr_flow = 1,
+ .set_rti = ahd_linux_set_rti,
+ .show_rti = 1,
+ .set_pcomp_en = ahd_linux_set_pcomp_en,
+ .show_pcomp_en = 1,
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 17:22:28 +0300