From b4b360420dcbbffb15f5749fc78225f4113cc7e2 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 20 Dec 2007 19:59:30 -0800 Subject: [BNX2]: Support multiple MSIX IRQs. Change bnx2_napi struct into an array and add code to manage multiple IRQs. MSIX hardware structures and new registers are also added. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.h | 40 ++++++++++++++++++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 2 deletions(-) (limited to 'drivers/net/bnx2.h') diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index b75795b..d71ceb6 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -154,6 +154,33 @@ struct status_block { #endif }; +/* + * status_block definition + */ +struct status_block_msix { +#if defined(__BIG_ENDIAN) + u16 status_tx_quick_consumer_index; + u16 status_rx_quick_consumer_index; + u16 status_completion_producer_index; + u16 status_cmd_consumer_index; + u32 status_unused; + u16 status_idx; + u8 status_unused2; + u8 status_blk_num; +#elif defined(__LITTLE_ENDIAN) + u16 status_rx_quick_consumer_index; + u16 status_tx_quick_consumer_index; + u16 status_cmd_consumer_index; + u16 status_completion_producer_index; + u32 status_unused; + u8 status_blk_num; + u8 status_unused2; + u16 status_idx; +#endif +}; + +#define BNX2_SBLK_MSIX_ALIGN_SIZE 128 + /* * statistics_block definition @@ -413,6 +440,7 @@ struct l2_fhdr { #define BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM (1L<<17) #define BNX2_PCICFG_INT_ACK_CMD_MASK_INT (1L<<18) #define BNX2_PCICFG_INT_ACK_CMD_INTERRUPT_NUM (0xfL<<24) +#define BNX2_PCICFG_INT_ACK_CMD_INT_NUM_SHIFT 24 #define BNX2_PCICFG_STATUS_BIT_SET_CMD 0x00000088 #define BNX2_PCICFG_STATUS_BIT_CLEAR_CMD 0x0000008c @@ -428,6 +456,9 @@ struct l2_fhdr { #define BNX2_PCI_GRC_WINDOW_ADDR_VALUE (0x1ffL<<13) #define BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN (1L<<31) +#define BNX2_PCI_GRC_WINDOW2_BASE 0xc000 +#define BNX2_PCI_GRC_WINDOW3_BASE 0xe000 + #define BNX2_PCI_CONFIG_1 0x00000404 #define BNX2_PCI_CONFIG_1_RESERVED0 (0xffL<<0) #define BNX2_PCI_CONFIG_1_READ_BOUNDARY (0x7L<<8) @@ -700,6 +731,8 @@ struct l2_fhdr { #define BNX2_PCI_GRC_WINDOW3_ADDR 0x00000618 #define BNX2_PCI_GRC_WINDOW3_ADDR_VALUE (0x1ffL<<13) +#define BNX2_MSIX_TABLE_ADDR 0x318000 +#define BNX2_MSIX_PBA_ADDR 0x31c000 /* * misc_reg definition @@ -6500,6 +6533,7 @@ struct flash_spec { struct bnx2_irq { irq_handler_t handler; u16 vector; + u8 requested; char name[16]; }; @@ -6535,13 +6569,15 @@ struct bnx2 { u32 flags; #define PCIX_FLAG 0x00000001 #define PCI_32BIT_FLAG 0x00000002 -#define ONE_TDMA_FLAG 0x00000004 /* no longer used */ +#define MSIX_CAP_FLAG 0x00000004 #define NO_WOL_FLAG 0x00000008 #define USING_MSI_FLAG 0x00000020 #define ASF_ENABLE_FLAG 0x00000040 #define MSI_CAP_FLAG 0x00000080 #define ONE_SHOT_MSI_FLAG 0x00000100 #define PCIE_FLAG 0x00000200 +#define USING_MSIX_FLAG 0x00000400 +#define USING_MSI_OR_MSIX_FLAG (USING_MSI_FLAG | USING_MSIX_FLAG) /* Put tx producer and consumer fields in separate cache lines. */ @@ -6550,7 +6586,7 @@ struct bnx2 { u32 tx_bidx_addr; u32 tx_bseq_addr; - struct bnx2_napi bnx2_napi; + struct bnx2_napi bnx2_napi[BNX2_MAX_MSIX_VEC]; #ifdef BCM_VLAN struct vlan_group *vlgrp; -- cgit v1.1