Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=60948a...
Commit: 60948a415859cb859e24f0dfe739069d66577466
Parent: a18e26ae442001de62f6b84a923e8613347dc35f
Author: Ralph Campbell <ralph.campbell@qlogic.com>
AuthorDate: Sun Jan 6 21:02:34 2008 -0800
Committer: Roland Dreier <rolandd@cisco.com>
CommitDate: Fri Jan 25 14:15:39 2008 -0800
IB/ipath: Port config has on-chip effects for 7220
The number of configured ports for the 7220 changes the number of eager
TIDs available per port, for all but port 0 (kernel port) which remains
constant, so add a field to give port0 count separate from the portdata
structure.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/infiniband/hw/ipath/ipath_file_ops.c | 2 +-
drivers/infiniband/hw/ipath/ipath_iba6110.c | 9 +++++++++
drivers/infiniband/hw/ipath/ipath_iba6120.c | 9 +++++++++
drivers/infiniband/hw/ipath/ipath_init_chip.c | 5 ++---
drivers/infiniband/hw/ipath/ipath_kernel.h | 3 +++
5 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 0b877ed..7b2f59a 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -882,7 +882,7 @@ static int ipath_create_user_egr(struct ipath_portdata *pd)
egrcnt = dd->ipath_rcvegrcnt;
/* TID number offset for this port */
- egroff = pd->port_port * egrcnt;
+ egroff = (pd->port_port - 1) * egrcnt + dd->ipath_p0_rcvegrcnt;
egrsize = dd->ipath_rcvegrbufsize;
ipath_cdbg(VERBOSE, "Allocating %d egr buffers, at egrtid "
"offset %x, egrsize %u\n", egrcnt, egroff, egrsize);
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6110.c b/drivers/infiniband/hw/ipath/ipath_iba6110.c
index 5ecf65b..0c900c5 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6110.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6110.c
@@ -1669,6 +1669,14 @@ static void ipath_ht_free_irq(struct ipath_devdata *dd)
dd->ipath_intconfig = 0;
}
+static void ipath_ht_config_ports(struct ipath_devdata *dd, ushort cfgports)
+{
+ dd->ipath_portcnt =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
+ dd->ipath_p0_rcvegrcnt =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvegrcnt);
+}
+
static void ipath_ht_read_counters(struct ipath_devdata *dd,
struct infinipath_counters *cntrs)
{
@@ -1798,6 +1806,7 @@ void ipath_init_iba6110_funcs(struct ipath_devdata *dd)
dd->ipath_f_setextled = ipath_setup_ht_setextled;
dd->ipath_f_get_base_info = ipath_ht_get_base_info;
dd->ipath_f_free_irq = ipath_ht_free_irq;
+ dd->ipath_f_config_ports = ipath_ht_config_ports;
dd->ipath_f_read_counters = ipath_ht_read_counters;
/*
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6120.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c
index 23de8da..066a8ea 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6120.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c
@@ -1423,6 +1423,14 @@ static void ipath_pe_free_irq(struct ipath_devdata *dd)
dd->ipath_irq = 0;
}
+static void ipath_pe_config_ports(struct ipath_devdata *dd, ushort cfgports)
+{
+ dd->ipath_portcnt =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
+ dd->ipath_p0_rcvegrcnt =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvegrcnt);
+}
+
static void ipath_pe_read_counters(struct ipath_devdata *dd,
struct infinipath_counters *cntrs)
{
@@ -1581,6 +1589,7 @@ void ipath_init_iba6120_funcs(struct ipath_devdata *dd)
/* initialize chip-specific variables */
dd->ipath_f_tidtemplate = ipath_pe_tidtemplate;
+ dd->ipath_f_config_ports = ipath_pe_config_ports;
dd->ipath_f_read_counters = ipath_pe_read_counters;
/*
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index 98b5146..3174c31 100644
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -91,7 +91,7 @@ static int create_port0_egr(struct ipath_devdata *dd)
struct ipath_skbinfo *skbinfo;
int ret;
- egrcnt = dd->ipath_rcvegrcnt;
+ egrcnt = dd->ipath_p0_rcvegrcnt;
skbinfo = vmalloc(sizeof(*dd->ipath_port0_skbinfo) * egrcnt);
if (skbinfo == NULL) {
@@ -244,8 +244,7 @@ static int init_chip_first(struct ipath_devdata *dd,
* cfgports. We do still check and report a difference, if
* not same (should be impossible).
*/
- dd->ipath_portcnt =
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
+ dd->ipath_f_config_ports(dd, ipath_cfgports);
if (!ipath_cfgports)
dd->ipath_cfgports = dd->ipath_portcnt;
else if (ipath_cfgports <= dd->ipath_portcnt) {
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 08272be..b9cca84 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -253,6 +253,7 @@ struct ipath_devdata {
int (*ipath_f_get_base_info)(struct ipath_portdata *, void *);
/* free irq */
void (*ipath_f_free_irq)(struct ipath_devdata *);
+ void (*ipath_f_config_ports)(struct ipath_devdata *, ushort);
void (*ipath_f_read_counters)(struct ipath_devdata *,
struct infinipath_counters *);
struct ipath_ibdev *verbs_dev;
@@ -326,6 +327,8 @@ struct ipath_devdata {
u32 ipath_cfgports;
/* count of port 0 hdrqfull errors */
u32 ipath_p0_hdrqfull;
+ /* port 0 number of receive eager buffers */
+ u32 ipath_p0_rcvegrcnt;
/*
* index of last piobuffer we used. Speeds up searching, by
-
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