summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/megaraid/megaraid_sas.h
diff options
context:
space:
mode:
authorSumit.Saxena@lsi.com <Sumit.Saxena@lsi.com>2013-05-22 12:34:14 +0530
committerJames Bottomley <JBottomley@Parallels.com>2013-06-24 17:46:31 -0700
commitd46a3ad679c7232b72b21c6d0ca047dc4a68063f (patch)
treecae11de87870963d335838e24b01814081e0cbf8 /drivers/scsi/megaraid/megaraid_sas.h
parent5d0d908d4481187070cc94664417ab347f15d1fe (diff)
downloadop-kernel-dev-d46a3ad679c7232b72b21c6d0ca047dc4a68063f.zip
op-kernel-dev-d46a3ad679c7232b72b21c6d0ca047dc4a68063f.tar.gz
[SCSI] megaraid_sas: Add support for Extended MSI-x vectors for 12Gb/s controller
This Driver will use more than 8 MSI-x support provided by Invader/Fury max upto 128 MSI-x. [jejb: fix checkpatch warning] Signed-off-by: Sumit Saxena <sumit.saxena@lsi.com> Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.h')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.h25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 9504b51..2371e5c 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -786,7 +786,7 @@ struct megasas_ctrl_info {
#define MEGASAS_INT_CMDS 32
#define MEGASAS_SKINNY_INT_CMDS 5
-#define MEGASAS_MAX_MSIX_QUEUES 16
+#define MEGASAS_MAX_MSIX_QUEUES 128
/*
* FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
* SGLs based on the size of dma_addr_t
@@ -811,6 +811,11 @@ struct megasas_ctrl_info {
#define MFI_1068_PCSR_OFFSET 0x84
#define MFI_1068_FW_HANDSHAKE_OFFSET 0x64
#define MFI_1068_FW_READY 0xDDDD0000
+
+#define MR_MAX_REPLY_QUEUES_OFFSET 0X0000001F
+#define MR_MAX_REPLY_QUEUES_EXT_OFFSET 0X003FC000
+#define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT 14
+#define MR_MAX_MSIX_REG_ARRAY 16
/*
* register set for both 1068 and 1078 controllers
* structure extended for 1078 registers
@@ -920,6 +925,15 @@ union megasas_sgl_frame {
} __attribute__ ((packed));
+typedef union _MFI_CAPABILITIES {
+ struct {
+ u32 support_fp_remote_lun:1;
+ u32 support_additional_msix:1;
+ u32 reserved:30;
+ } mfi_capabilities;
+ u32 reg;
+} MFI_CAPABILITIES;
+
struct megasas_init_frame {
u8 cmd; /*00h */
@@ -927,7 +941,7 @@ struct megasas_init_frame {
u8 cmd_status; /*02h */
u8 reserved_1; /*03h */
- u32 reserved_2; /*04h */
+ MFI_CAPABILITIES driver_operations; /*04h*/
u32 context; /*08h */
u32 pad_0; /*0Ch */
@@ -1324,7 +1338,7 @@ struct megasas_instance {
unsigned long base_addr;
struct megasas_register_set __iomem *reg_set;
-
+ u32 *reply_post_host_index_addr[MR_MAX_MSIX_REG_ARRAY];
struct megasas_pd_list pd_list[MEGASAS_MAX_PD];
u8 ld_ids[MEGASAS_MAX_LD_IDS];
s8 init_id;
@@ -1393,6 +1407,7 @@ struct megasas_instance {
long reset_flags;
struct mutex reset_mutex;
int throttlequeuedepth;
+ u8 mask_interrupts;
};
enum {
@@ -1408,8 +1423,8 @@ struct megasas_instance_template {
void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
u32, struct megasas_register_set __iomem *);
- void (*enable_intr)(struct megasas_register_set __iomem *) ;
- void (*disable_intr)(struct megasas_register_set __iomem *);
+ void (*enable_intr)(struct megasas_instance *);
+ void (*disable_intr)(struct megasas_instance *);
int (*clear_intr)(struct megasas_register_set __iomem *);
OpenPOWER on IntegriCloud