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authorPrarit Bhargava <prarit@sgi.com>2005-07-06 15:29:53 -0700
committerTony Luck <tony.luck@intel.com>2005-07-06 15:29:53 -0700
commit6f354b014b51716166f13f68b29212d3c44ed2c4 (patch)
tree396c09a5d519630a53652a1187bb85fceba82cee /arch/ia64/sn/pci
parent283c7f6ac6adb57e7dd13cdbc8d60b6ea4de6faf (diff)
[IA64] hotplug/ia64: SN Hotplug Driver - SN Hotplug Driver code
This patch is the SGI hotplug driver and additional changes required for the driver. These modifications include changes to the SN io_init.c code for memory management, the inclusion of new SAL calls to enable and disable PCI slots, and a hotplug-style driver. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn/pci')
-rw-r--r--arch/ia64/sn/pci/pcibr/pcibr_provider.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index 9bc4de4a3ec..9813da56d31 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -18,6 +18,40 @@
#include "xtalk/xwidgetdev.h"
#include "xtalk/hubdev.h"
+int
+sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp)
+{
+ struct ia64_sal_retval ret_stuff;
+ uint64_t busnum;
+
+ ret_stuff.status = 0;
+ ret_stuff.v0 = 0;
+
+ busnum = soft->pbi_buscommon.bs_persist_busnum;
+ SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_SLOT_ENABLE, (u64) busnum,
+ (u64) device, (u64) resp, 0, 0, 0, 0);
+
+ return (int)ret_stuff.v0;
+}
+
+int
+sal_pcibr_slot_disable(struct pcibus_info *soft, int device, int action,
+ void *resp)
+{
+ struct ia64_sal_retval ret_stuff;
+ uint64_t busnum;
+
+ ret_stuff.status = 0;
+ ret_stuff.v0 = 0;
+
+ busnum = soft->pbi_buscommon.bs_persist_busnum;
+ SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_SLOT_DISABLE,
+ (u64) busnum, (u64) device, (u64) action,
+ (u64) resp, 0, 0, 0);
+
+ return (int)ret_stuff.v0;
+}
+
static int sal_pcibr_error_interrupt(struct pcibus_info *soft)
{
struct ia64_sal_retval ret_stuff;
@@ -187,3 +221,6 @@ pcibr_init_provider(void)
return 0;
}
+
+EXPORT_SYMBOL_GPL(sal_pcibr_slot_enable);
+EXPORT_SYMBOL_GPL(sal_pcibr_slot_disable);