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| author | Ching Huang <ching2048@areca.com.tw> | 2014-08-19 14:23:31 +0800 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-09-16 09:39:28 -0700 |
| commit | 1d1166ea16ac7047a1b01f20dcbcc6f7754c3c23 (patch) | |
| tree | c78222ada649f6dbbeb8939beae1f1d4f4fb9a7d /drivers/scsi/arcmsr/arcmsr.h | |
| parent | 6b3937227479e50032112faf74bd913f36dba2c6 (diff) | |
| download | lwn-1d1166ea16ac7047a1b01f20dcbcc6f7754c3c23.tar.gz lwn-1d1166ea16ac7047a1b01f20dcbcc6f7754c3c23.zip | |
arcmsr: add code to support MSI-X and MSI interrupt
This patch adds code to support MSI and MSI-X interrupt.
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/arcmsr/arcmsr.h')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 8f357933d8cb..1c64b60a3dcf 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -64,6 +64,7 @@ struct device_attribute; #define ARCMSR_MAX_HBB_POSTQUEUE 264 #define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */ #define ARCMSR_CDB_SG_PAGE_LENGTH 256 +#define ARCMST_NUM_MSIX_VECTORS 4 #ifndef PCI_DEVICE_ID_ARECA_1880 #define PCI_DEVICE_ID_ARECA_1880 0x1880 #endif @@ -508,6 +509,7 @@ struct AdapterControlBlock struct pci_dev * pdev; struct Scsi_Host * host; unsigned long vir2phy_offset; + struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS]; /* Offset is used in making arc cdb physical to virtual calculations */ uint32_t outbound_int_enable; uint32_t cdb_phyaddr_hi32; @@ -544,6 +546,8 @@ struct AdapterControlBlock /* iop init */ #define ACB_F_ABORT 0x0200 #define ACB_F_FIRMWARE_TRAP 0x0400 + #define ACB_F_MSI_ENABLED 0x1000 + #define ACB_F_MSIX_ENABLED 0x2000 struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM]; /* used for memory free */ struct list_head ccb_free_list; @@ -594,6 +598,7 @@ struct AdapterControlBlock #define FW_DEADLOCK 0x0010 atomic_t rq_map_token; atomic_t ante_token_value; + int msix_vector_count; };/* HW_DEVICE_EXTENSION */ /* ******************************************************************************* |