[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>
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 @@
#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 @@
#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 @@
} __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 @@
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 @@
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 @@
long reset_flags;
struct mutex reset_mutex;
int throttlequeuedepth;
+ u8 mask_interrupts;
};
enum {
@@ -1408,8 +1423,8 @@
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 *);