From c9517e5893db03ca8bd32b8783b39af58176947c Mon Sep 17 00:00:00 2001 From: Dhananjay Phadke Date: Mon, 24 Aug 2009 19:23:26 +0000 Subject: netxen: implement generic pcie semaphore functions Implement common function for locking/unlocking 8 hardware semaphores used for serializing access to shared resouces on a NIC board by different PCI functions. As by definition, callers of these semaphore API can be put to sleep till the semaphore is locked. Signed-off-by: Dhananjay Phadke Signed-off-by: David S. Miller --- drivers/net/netxen/netxen_nic_hdr.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/net/netxen/netxen_nic_hdr.h') diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index c4a4a8ba14f..92f5970c9aa 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -899,16 +899,24 @@ enum { #define PCIE_DCR 0x00d8 +#define PCIE_SEM0_LOCK (0x1c000) +#define PCIE_SEM0_UNLOCK (0x1c004) +#define PCIE_SEM1_LOCK (0x1c008) +#define PCIE_SEM1_UNLOCK (0x1c00c) #define PCIE_SEM2_LOCK (0x1c010) /* Flash lock */ #define PCIE_SEM2_UNLOCK (0x1c014) /* Flash unlock */ #define PCIE_SEM3_LOCK (0x1c018) /* Phy lock */ #define PCIE_SEM3_UNLOCK (0x1c01c) /* Phy unlock */ +#define PCIE_SEM4_LOCK (0x1c020) +#define PCIE_SEM4_UNLOCK (0x1c024) #define PCIE_SEM5_LOCK (0x1c028) /* API lock */ #define PCIE_SEM5_UNLOCK (0x1c02c) /* API unlock */ #define PCIE_SEM6_LOCK (0x1c030) /* sw lock */ #define PCIE_SEM6_UNLOCK (0x1c034) /* sw unlock */ #define PCIE_SEM7_LOCK (0x1c038) /* crb win lock */ #define PCIE_SEM7_UNLOCK (0x1c03c) /* crbwin unlock*/ +#define PCIE_SEM_LOCK(N) (PCIE_SEM0_LOCK + 8*(N)) +#define PCIE_SEM_UNLOCK(N) (PCIE_SEM0_UNLOCK + 8*(N)) #define PCIE_SETUP_FUNCTION (0x12040) #define PCIE_SETUP_FUNCTION2 (0x12048) -- cgit v1.2.3