Done in rev. 1047, thank you.
________________________________
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Slava Strebkov
Sent: Wednesday, April 02, 2008 5:47 PM
To: [email protected]
Subject: [ofw] [PATCH] affinity options
Hi,
The following patch provides a way to user to specify the cpu
affinity mask.
Setting the value of ProcessorAffinity to FFFFFFFF binds
interrupt to last cpu on machine.
Index: hw/mthca/kernel/hca_pnp.c
===================================================================
--- hw/mthca/kernel/hca_pnp.c (revision 1031)
+++ hw/mthca/kernel/hca_pnp.c (working copy)
@@ -678,6 +678,29 @@
if( pHcaRes->Type ==
CmResourceTypeInterrupt )
{
p_ext->interruptInfo =
*pHostRes;
+ if ( g_processor_affinity == 0xFFFFFFFF )
+ {
+ /*
+ * Calculate the
mask of the last processor
+ */
+ KAFFINITY
n_active_processors_bitmask;
+ uint32_t
last_processor_mask = 0 , tmp_processor_mask = 1;
+
+
n_active_processors_bitmask = KeQueryActiveProcessors();
+ while ( tmp_processor_mask &
n_active_processors_bitmask )
+ {
+
last_processor_mask = tmp_processor_mask;
+
tmp_processor_mask = tmp_processor_mask << 1;
+ }
+
p_ext->interruptInfo.u.Interrupt.Affinity = last_processor_mask;
+ }
+ else if (g_processor_affinity
!= 0)
+ {
+
p_ext->interruptInfo.u.Interrupt.Affinity = g_processor_affinity;
+ }
+ HCA_PRINT(
TRACE_LEVEL_INFORMATION, HCA_DBG_PNP,("Set Interrupt affinity to :
0x%08X\n",
+
(int)p_ext->interruptInfo.u.Interrupt.Affinity ));
+
continue;
}
Index: hw/mthca/kernel/mt_l2w.c
===================================================================
--- hw/mthca/kernel/mt_l2w.c (revision 1031)
+++ hw/mthca/kernel/mt_l2w.c (working copy)
@@ -118,7 +118,7 @@
(BOOLEAN)((int_info->Flags ==
CM_RESOURCE_INTERRUPT_LATCHED) ?
Latched : LevelSensitive),
/* interrupt type: LATCHED or LEVEL */
(BOOLEAN)(int_info->ShareDisposition ==
CmResourceShareShared), /* vector shared or not */
- g_processor_affinity ?
g_processor_affinity : (KAFFINITY)int_info->u.Interrupt.Affinity,
/* interrupt affinity */
+
(KAFFINITY)int_info->u.Interrupt.Affinity, /* interrupt
affinity */
FALSE
/* whether to save Float registers */
);
Slava Strebkov
SW Engineer
Voltaire
099718750
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