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netxen: implement generic pcie semaphore functions

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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 <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dhananjay Phadke
2009-08-24 19:23:26 +00:00
committed by David S. Miller
parent cb7e4b6e37
commit c9517e5893
6 changed files with 71 additions and 144 deletions
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24
drivers/net/netxen/netxen_nic.h
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@@ -1207,6 +1207,30 @@ int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr);
#define NXWR32(adapter, off, val) \
(adapter->hw_write_wx(adapter, off, val))
int netxen_pcie_sem_lock(struct netxen_adapter *, int, u32);
void netxen_pcie_sem_unlock(struct netxen_adapter *, int);
#define netxen_rom_lock(a) \
netxen_pcie_sem_lock((a), 2, NETXEN_ROM_LOCK_ID)
#define netxen_rom_unlock(a) \
netxen_pcie_sem_unlock((a), 2)
#define netxen_phy_lock(a) \
netxen_pcie_sem_lock((a), 3, NETXEN_PHY_LOCK_ID)
#define netxen_phy_unlock(a) \
netxen_pcie_sem_unlock((a), 3)
#define netxen_api_lock(a) \
netxen_pcie_sem_lock((a), 5, 0)
#define netxen_api_unlock(a) \
netxen_pcie_sem_unlock((a), 5)
#define netxen_sw_lock(a) \
netxen_pcie_sem_lock((a), 6, 0)
#define netxen_sw_unlock(a) \
netxen_pcie_sem_unlock((a), 6)
#define crb_win_lock(a) \
netxen_pcie_sem_lock((a), 7, NETXEN_CRB_WIN_LOCK_ID)
#define crb_win_unlock(a) \
netxen_pcie_sem_unlock((a), 7)
int netxen_nic_get_board_info(struct netxen_adapter *adapter);
void netxen_nic_get_firmware_info(struct netxen_adapter *adapter);
int netxen_nic_wol_supported(struct netxen_adapter *adapter);