diff mbox series

[PULL,42/45] net: cadence_gem: Announce availability of priority queues

Message ID 20181019165735.22511-43-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show
Series [PULL,01/45] ssi-sd: Make devices picking up backends unavailable with -device | expand

Commit Message

Peter Maydell Oct. 19, 2018, 4:57 p.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Announce the availability of the various priority queues.
This fixes an issue where guest kernels would miss to
configure secondary queues due to inproper feature bits.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20181017213932.19973-2-edgar.iglesias@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/net/cadence_gem.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
index 17959989289..16a8455128c 100644
--- a/hw/net/cadence_gem.c
+++ b/hw/net/cadence_gem.c
@@ -1283,6 +1283,7 @@  static void gem_reset(DeviceState *d)
     int i;
     CadenceGEMState *s = CADENCE_GEM(d);
     const uint8_t *a;
+    uint32_t queues_mask = 0;
 
     DB_PRINT("\n");
 
@@ -1299,7 +1300,12 @@  static void gem_reset(DeviceState *d)
     s->regs[GEM_DESCONF] = 0x02500111;
     s->regs[GEM_DESCONF2] = 0x2ab13fff;
     s->regs[GEM_DESCONF5] = 0x002f2045;
-    s->regs[GEM_DESCONF6] = 0x00000200;
+    s->regs[GEM_DESCONF6] = 0x0;
+
+    if (s->num_priority_queues > 1) {
+        queues_mask = MAKE_64BIT_MASK(1, s->num_priority_queues - 1);
+        s->regs[GEM_DESCONF6] |= queues_mask;
+    }
 
     /* Set MAC address */
     a = &s->conf.macaddr.a[0];