aacraid: MSI-x support
Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Murthy Bhat <Murthy.Bhat@pmcs.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Mahesh Rajashekhara
کامیت شده توسط
James Bottomley
James Bottomley
والد
b836439faf
کامیت
495c021767
@@ -6,11 +6,61 @@
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#define nblank(x) _nblank(x)[0]
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#include <linux/interrupt.h>
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#include <linux/pci.h>
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/*------------------------------------------------------------------------------
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* D E F I N E S
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*----------------------------------------------------------------------------*/
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#define AAC_MAX_MSIX 32 /* vectors */
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#define AAC_PCI_MSI_ENABLE 0x8000
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enum {
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AAC_ENABLE_INTERRUPT = 0x0,
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AAC_DISABLE_INTERRUPT,
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AAC_ENABLE_MSIX,
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AAC_DISABLE_MSIX,
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AAC_CLEAR_AIF_BIT,
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AAC_CLEAR_SYNC_BIT,
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AAC_ENABLE_INTX
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};
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#define AAC_INT_MODE_INTX (1<<0)
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#define AAC_INT_MODE_MSI (1<<1)
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#define AAC_INT_MODE_AIF (1<<2)
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#define AAC_INT_MODE_SYNC (1<<3)
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#define AAC_INT_ENABLE_TYPE1_INTX 0xfffffffb
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#define AAC_INT_ENABLE_TYPE1_MSIX 0xfffffffa
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#define AAC_INT_DISABLE_ALL 0xffffffff
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/* Bit definitions in IOA->Host Interrupt Register */
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#define PMC_TRANSITION_TO_OPERATIONAL (1<<31)
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#define PMC_IOARCB_TRANSFER_FAILED (1<<28)
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#define PMC_IOA_UNIT_CHECK (1<<27)
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#define PMC_NO_HOST_RRQ_FOR_CMD_RESPONSE (1<<26)
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#define PMC_CRITICAL_IOA_OP_IN_PROGRESS (1<<25)
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#define PMC_IOARRIN_LOST (1<<4)
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#define PMC_SYSTEM_BUS_MMIO_ERROR (1<<3)
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#define PMC_IOA_PROCESSOR_IN_ERROR_STATE (1<<2)
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#define PMC_HOST_RRQ_VALID (1<<1)
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#define PMC_OPERATIONAL_STATUS (1<<31)
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#define PMC_ALLOW_MSIX_VECTOR0 (1<<0)
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#define PMC_IOA_ERROR_INTERRUPTS (PMC_IOARCB_TRANSFER_FAILED | \
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PMC_IOA_UNIT_CHECK | \
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PMC_NO_HOST_RRQ_FOR_CMD_RESPONSE | \
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PMC_IOARRIN_LOST | \
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PMC_SYSTEM_BUS_MMIO_ERROR | \
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PMC_IOA_PROCESSOR_IN_ERROR_STATE)
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#define PMC_ALL_INTERRUPT_BITS (PMC_IOA_ERROR_INTERRUPTS | \
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PMC_HOST_RRQ_VALID | \
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PMC_TRANSITION_TO_OPERATIONAL | \
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PMC_ALLOW_MSIX_VECTOR0)
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#define PMC_GLOBAL_INT_BIT2 0x00000004
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#define PMC_GLOBAL_INT_BIT0 0x00000001
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#ifndef AAC_DRIVER_BUILD
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# define AAC_DRIVER_BUILD 30300
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# define AAC_DRIVER_BRANCH "-ms"
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@@ -36,6 +86,7 @@
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#define CONTAINER_TO_ID(cont) (cont)
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#define CONTAINER_TO_LUN(cont) (0)
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#define PMC_DEVICE_S6 0x28b
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#define PMC_DEVICE_S7 0x28c
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#define PMC_DEVICE_S8 0x28d
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#define PMC_DEVICE_S9 0x28f
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@@ -434,7 +485,7 @@ enum fib_xfer_state {
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struct aac_init
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{
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__le32 InitStructRevision;
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__le32 MiniPortRevision;
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__le32 Sa_MSIXVectors;
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__le32 fsrev;
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__le32 CommHeaderAddress;
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__le32 FastIoCommAreaAddress;
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@@ -755,7 +806,8 @@ struct rkt_registers {
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struct src_mu_registers {
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/* PCI*| Name */
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__le32 reserved0[8]; /* 00h | Reserved */
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__le32 reserved0[6]; /* 00h | Reserved */
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__le32 IOAR[2]; /* 18h | IOA->host interrupt register */
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__le32 IDR; /* 20h | Inbound Doorbell Register */
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__le32 IISR; /* 24h | Inbound Int. Status Register */
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__le32 reserved1[3]; /* 28h | Reserved */
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@@ -767,17 +819,18 @@ struct src_mu_registers {
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__le32 OMR; /* bch | Outbound Message Register */
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__le32 IQ_L; /* c0h | Inbound Queue (Low address) */
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__le32 IQ_H; /* c4h | Inbound Queue (High address) */
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__le32 ODR_MSI; /* c8h | MSI register for sync./AIF */
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};
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struct src_registers {
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struct src_mu_registers MUnit; /* 00h - c7h */
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struct src_mu_registers MUnit; /* 00h - cbh */
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union {
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struct {
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__le32 reserved1[130790]; /* c8h - 7fc5fh */
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__le32 reserved1[130789]; /* cch - 7fc5fh */
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struct src_inbound IndexRegs; /* 7fc60h */
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} tupelo;
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struct {
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__le32 reserved1[974]; /* c8h - fffh */
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__le32 reserved1[973]; /* cch - fffh */
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struct src_inbound IndexRegs; /* 1000h */
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} denali;
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} u;
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@@ -1029,6 +1082,11 @@ struct aac_bus_info_response {
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#define AAC_OPT_NEW_COMM_TYPE3 cpu_to_le32(1<<30)
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#define AAC_OPT_NEW_COMM_TYPE4 cpu_to_le32(1<<31)
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/* MSIX context */
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struct aac_msix_ctx {
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int vector_no;
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struct aac_dev *dev;
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};
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struct aac_dev
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{
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@@ -1084,8 +1142,10 @@ struct aac_dev
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* if AAC_COMM_MESSAGE_TYPE1 */
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dma_addr_t host_rrq_pa; /* phys. address */
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u32 host_rrq_idx; /* index into rrq buffer */
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/* index into rrq buffer */
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u32 host_rrq_idx[AAC_MAX_MSIX];
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atomic_t rrq_outstanding[AAC_MAX_MSIX];
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u32 fibs_pushed_no;
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struct pci_dev *pdev; /* Our PCI interface */
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void * printfbuf; /* pointer to buffer used for printf's from the adapter */
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void * comm_addr; /* Base address of Comm area */
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@@ -1154,6 +1214,11 @@ struct aac_dev
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int sync_mode;
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struct fib *sync_fib;
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struct list_head sync_fib_list;
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u32 max_msix; /* max. MSI-X vectors */
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u32 vector_cap; /* MSI-X vector capab.*/
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int msi_enabled; /* MSI/MSI-X enabled */
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struct msix_entry msixentry[AAC_MAX_MSIX];
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struct aac_msix_ctx aac_msix[AAC_MAX_MSIX]; /* context */
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};
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#define aac_adapter_interrupt(dev) \
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@@ -2036,6 +2101,7 @@ void aac_consumer_free(struct aac_dev * dev, struct aac_queue * q, u32 qnum);
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int aac_fib_complete(struct fib * context);
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#define fib_data(fibctx) ((void *)(fibctx)->hw_fib_va->data)
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struct aac_dev *aac_init_adapter(struct aac_dev *dev);
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void aac_src_access_devreg(struct aac_dev *dev, int mode);
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int aac_get_config_status(struct aac_dev *dev, int commit_flag);
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int aac_get_containers(struct aac_dev *dev);
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int aac_scsi_cmd(struct scsi_cmnd *cmd);
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