[SCSI] ipr: add hardware assisted smart dump functionality

This patch adds the hardware assisted smart dump functionality for the next
generation IOA PCI interface chip.

Signea-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>

Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 10 insertions, 6 deletions

diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index e6e90179e45e..4f2f1d2e9875 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -228,6 +228,7 @@
 #define IPR_SDT_FMT2_BAR5_SEL                           0x5
 #define IPR_SDT_FMT2_EXP_ROM_SEL                        0x8
 #define IPR_FMT2_SDT_READY_TO_USE                       0xC4D4E3F2
+#define IPR_FMT3_SDT_READY_TO_USE                       0xC4D4E3F3
 #define IPR_DOORBELL                                    0x82800000
 #define IPR_RUNTIME_RESET                               0x40000000
 
@@ -1093,10 +1094,9 @@ struct ipr_hostrcb {
 
 /* IPR smart dump table structures */
 struct ipr_sdt_entry {
-        __be32 bar_str_offset;
-        __be32 end_offset;
-        u8 entry_byte;
-        u8 reserved[3];
+        __be32 start_token;
+        __be32 end_token;
+        u8 reserved[4];
 
         u8 flags;
 #define IPR_SDT_ENDIAN          0x80
@@ -1204,6 +1204,9 @@ struct ipr_interrupt_offsets {
         unsigned long sense_uproc_interrupt_reg;
         unsigned long set_uproc_interrupt_reg;
         unsigned long clr_uproc_interrupt_reg;
+
+        unsigned long dump_addr_reg;
+        unsigned long dump_data_reg;
 };
 
 struct ipr_interrupts {
@@ -1217,6 +1220,9 @@ struct ipr_interrupts {
         void __iomem *sense_uproc_interrupt_reg;
         void __iomem *set_uproc_interrupt_reg;
         void __iomem *clr_uproc_interrupt_reg;
+
+        void __iomem *dump_addr_reg;
+        void __iomem *dump_data_reg;
 };
 
 struct ipr_chip_cfg_t {
@@ -1536,8 +1542,6 @@ struct ipr_ioa_dump {
         u32 next_page_index;
         u32 page_offset;
         u32 format;
-#define IPR_SDT_FMT2            2
-#define IPR_SDT_UNKNOWN         3
 }__attribute__((packed, aligned (4)));
 
 struct ipr_dump {