diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic.h')
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 180 |
1 files changed, 162 insertions, 18 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 91f25e0a638..619503742b7 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -937,6 +937,7 @@ struct netxen_adapter { struct netxen_ring_ctx *ctx_desc; struct pci_dev *ctx_desc_pdev; dma_addr_t ctx_desc_phys_addr; + int intr_scheme; int (*enable_phy_interrupts) (struct netxen_adapter *); int (*disable_phy_interrupts) (struct netxen_adapter *); void (*handle_phy_intr) (struct netxen_adapter *); @@ -951,6 +952,24 @@ struct netxen_adapter { int (*stop_port) (struct netxen_adapter *); }; /* netxen_adapter structure */ +/* + * NetXen dma watchdog control structure + * + * Bit 0 : enabled => R/O: 1 watchdog active, 0 inactive + * Bit 1 : disable_request => 1 req disable dma watchdog + * Bit 2 : enable_request => 1 req enable dma watchdog + * Bit 3-31 : unused + */ + +#define netxen_set_dma_watchdog_disable_req(config_word) \ + _netxen_set_bits(config_word, 1, 1, 1) +#define netxen_set_dma_watchdog_enable_req(config_word) \ + _netxen_set_bits(config_word, 2, 1, 1) +#define netxen_get_dma_watchdog_enabled(config_word) \ + ((config_word) & 0x1) +#define netxen_get_dma_watchdog_disabled(config_word) \ + (((config_word) >> 1) & 0x1) + /* Max number of xmit producer threads that can run simultaneously */ #define MAX_XMIT_PRODUCERS 16 @@ -1030,8 +1049,8 @@ int netxen_nic_erase_pxe(struct netxen_adapter *adapter); /* Functions from netxen_nic_init.c */ void netxen_free_adapter_offload(struct netxen_adapter *adapter); int netxen_initialize_adapter_offload(struct netxen_adapter *adapter); -void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val); -void netxen_load_firmware(struct netxen_adapter *adapter); +int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val); +int netxen_load_firmware(struct netxen_adapter *adapter); int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose); int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp); int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr, @@ -1080,37 +1099,106 @@ struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev); static inline void netxen_nic_disable_int(struct netxen_adapter *adapter) { - /* - * ISR_INT_MASK: Can be read from window 0 or 1. - */ - writel(0x7ff, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); + uint32_t mask = 0x7ff; + int retries = 32; + + DPRINTK(1, INFO, "Entered ISR Disable \n"); + + switch (adapter->portnum) { + case 0: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0)); + break; + case 1: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1)); + break; + case 2: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2)); + break; + case 3: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3)); + break; + } + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) { + writel(mask, + (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK))); + } + + /* Window = 0 or 1 */ + if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + do { + writel(0xffffffff, (void *) + (PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS))); + mask = readl((void *) + (pci_base_offset(adapter, ISR_INT_VECTOR))); + if (!(mask & 0x80)) + break; + udelay(10); + } while (--retries); + + if (!retries) { + printk(KERN_NOTICE "%s: Failed to disable interrupt completely\n", + netxen_nic_driver_name); + } + } + + DPRINTK(1, INFO, "Done with Disable Int\n"); + + return; } static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) { u32 mask; - switch (adapter->ahw.board_type) { - case NETXEN_NIC_GBE: - mask = 0x77b; + DPRINTK(1, INFO, "Entered ISR Enable \n"); + + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) { + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + mask = 0x77b; + break; + case NETXEN_NIC_XGBE: + mask = 0x77f; + break; + default: + mask = 0x7ff; + break; + } + + writel(mask, + (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK))); + } + switch (adapter->portnum) { + case 0: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0)); + break; + case 1: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1)); break; - case NETXEN_NIC_XGBE: - mask = 0x77f; + case 2: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2)); break; - default: - mask = 0x7ff; + case 3: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3)); break; } - writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); - if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { mask = 0xbff; - writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); - writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, - ISR_INT_TARGET_MASK)); + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) { + writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); + } + writel(mask, + (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK))); } + + DPRINTK(1, INFO, "Done with enable Int\n"); + + return; } /* @@ -1164,6 +1252,62 @@ static inline void get_brd_name_by_type(u32 type, char *name) name = "Unknown"; } +static inline int +dma_watchdog_shutdown_request(struct netxen_adapter *adapter) +{ + u32 ctrl; + + /* check if already inactive */ + if (netxen_nic_hw_read_wx(adapter, + NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4)) + printk(KERN_ERR "failed to read dma watchdog status\n"); + + if (netxen_get_dma_watchdog_enabled(ctrl) == 0) + return 1; + + /* Send the disable request */ + netxen_set_dma_watchdog_disable_req(ctrl); + netxen_crb_writelit_adapter(adapter, + NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), ctrl); + + return 0; +} + +static inline int +dma_watchdog_shutdown_poll_result(struct netxen_adapter *adapter) +{ + u32 ctrl; + + if (netxen_nic_hw_read_wx(adapter, + NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4)) + printk(KERN_ERR "failed to read dma watchdog status\n"); + + return ((netxen_get_dma_watchdog_enabled(ctrl) == 0) && + (netxen_get_dma_watchdog_disabled(ctrl) == 0)); +} + +static inline int +dma_watchdog_wakeup(struct netxen_adapter *adapter) +{ + u32 ctrl; + + if (netxen_nic_hw_read_wx(adapter, + NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4)) + printk(KERN_ERR "failed to read dma watchdog status\n"); + + if (netxen_get_dma_watchdog_enabled(ctrl)) + return 1; + + /* send the wakeup request */ + netxen_set_dma_watchdog_enable_req(ctrl); + + netxen_crb_writelit_adapter(adapter, + NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), ctrl); + + return 0; +} + + int netxen_is_flash_supported(struct netxen_adapter *adapter); int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]); extern void netxen_change_ringparam(struct netxen_adapter *adapter); |