[SCSI] mvsas: fill in error info record and phy mode6 bits.

and remove some unused members from struct.

Signed-off-by: Ke Wei <kewei@marvell.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 87 insertions, 36 deletions

diff --git a/drivers/scsi/mvsas.c b/drivers/scsi/mvsas.c
index 5ec0665b3a3d..3a447fea0b1f 100644
--- a/drivers/scsi/mvsas.c
+++ b/drivers/scsi/mvsas.c
@@ -37,11 +37,13 @@
 #include <linux/dma-mapping.h>
 #include <linux/ctype.h>
 #include <scsi/libsas.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/sas_ata.h>
 #include <asm/io.h>
 
 #define DRV_NAME        "mvsas"
-#define DRV_VERSION     "0.5.1"
-#define _MV_DUMP 0
+#define DRV_VERSION     "0.5.2"
+#define _MV_DUMP        0
 #define MVS_DISABLE_NVRAM
 #define MVS_DISABLE_MSI
 
@@ -52,7 +54,7 @@
         readl(regs + MVS_##reg);                \
         } while (0)
 
-#define MVS_ID_NOT_MAPPED       0xff
+#define MVS_ID_NOT_MAPPED       0x7f
 #define MVS_CHIP_SLOT_SZ        (1U << mvi->chip->slot_width)
 
 /* offset for D2H FIS in the Received FIS List Structure */
@@ -84,6 +86,7 @@ enum driver_configuration {
         MVS_RX_FIS_COUNT        = 17,   /* Optional rx'd FISs (max 17) */
 
         MVS_QUEUE_SIZE          = 30,   /* Support Queue depth */
+        MVS_CAN_QUEUE           = MVS_SLOTS - 1,        /* SCSI Queue depth */
 };
 
 /* unchangeable hardware details */
@@ -358,7 +361,20 @@ enum hw_register_bits {
 
         /* VSR */
         /* PHYMODE 6 (CDB) */
-        PHY_MODE6_DTL_SPEED     = (1U << 27),
+        PHY_MODE6_LATECLK       = (1U << 29),   /* Lock Clock */
+        PHY_MODE6_DTL_SPEED     = (1U << 27),   /* Digital Loop Speed */
+        PHY_MODE6_FC_ORDER      = (1U << 26),   /* Fibre Channel Mode Order*/
+        PHY_MODE6_MUCNT_EN      = (1U << 24),   /* u Count Enable */
+        PHY_MODE6_SEL_MUCNT_LEN = (1U << 22),   /* Training Length Select */
+        PHY_MODE6_SELMUPI       = (1U << 20),   /* Phase Multi Select (init) */
+        PHY_MODE6_SELMUPF       = (1U << 18),   /* Phase Multi Select (final) */
+        PHY_MODE6_SELMUFF       = (1U << 16),   /* Freq Loop Multi Sel(final) */
+        PHY_MODE6_SELMUFI       = (1U << 14),   /* Freq Loop Multi Sel(init) */
+        PHY_MODE6_FREEZE_LOOP   = (1U << 12),   /* Freeze Rx CDR Loop */
+        PHY_MODE6_INT_RXFOFFS   = (1U << 3),    /* Rx CDR Freq Loop Enable */
+        PHY_MODE6_FRC_RXFOFFS   = (1U << 2),    /* Initial Rx CDR Offset */
+        PHY_MODE6_STAU_0D8      = (1U << 1),    /* Rx CDR Freq Loop Saturate */
+        PHY_MODE6_RXSAT_DIS     = (1U << 0),    /* Saturate Ctl */
 };
 
 enum mvs_info_flags {
@@ -511,7 +527,43 @@ enum status_buffer {
 };
 
 enum error_info_rec {
-        CMD_ISS_STPD    =  (1U << 31),  /* Cmd Issue Stopped */
+        CMD_ISS_STPD    = (1U << 31),   /* Cmd Issue Stopped */
+        CMD_PI_ERR      = (1U << 30),   /* Protection info error.  see flags2 */
+        RSP_OVER        = (1U << 29),   /* rsp buffer overflow */
+        RETRY_LIM       = (1U << 28),   /* FIS/frame retry limit exceeded */
+        UNK_FIS         = (1U << 27),   /* unknown FIS */
+        DMA_TERM        = (1U << 26),   /* DMA terminate primitive rx'd */
+        SYNC_ERR        = (1U << 25),   /* SYNC rx'd during frame xmit */
+        TFILE_ERR       = (1U << 24),   /* SATA taskfile Error bit set */
+        R_ERR           = (1U << 23),   /* SATA returned R_ERR prim */
+        RD_OFS          = (1U << 20),   /* Read DATA frame invalid offset */
+        XFER_RDY_OFS    = (1U << 19),   /* XFER_RDY offset error */
+        UNEXP_XFER_RDY  = (1U << 18),   /* unexpected XFER_RDY error */
+        DATA_OVER_UNDER = (1U << 16),   /* data overflow/underflow */
+        INTERLOCK       = (1U << 15),   /* interlock error */
+        NAK             = (1U << 14),   /* NAK rx'd */
+        ACK_NAK_TO      = (1U << 13),   /* ACK/NAK timeout */
+        CXN_CLOSED      = (1U << 12),   /* cxn closed w/out ack/nak */
+        OPEN_TO         = (1U << 11),   /* I_T nexus lost, open cxn timeout */
+        PATH_BLOCKED    = (1U << 10),   /* I_T nexus lost, pathway blocked */
+        NO_DEST         = (1U << 9),    /* I_T nexus lost, no destination */
+        STP_RES_BSY     = (1U << 8),    /* STP resources busy */
+        BREAK           = (1U << 7),    /* break received */
+        BAD_DEST        = (1U << 6),    /* bad destination */
+        BAD_PROTO       = (1U << 5),    /* protocol not supported */
+        BAD_RATE        = (1U << 4),    /* cxn rate not supported */
+        WRONG_DEST      = (1U << 3),    /* wrong destination error */
+        CREDIT_TO       = (1U << 2),    /* credit timeout */
+        WDOG_TO         = (1U << 1),    /* watchdog timeout */
+        BUF_PAR         = (1U << 0),    /* buffer parity error */
+};
+
+enum error_info_rec_2 {
+        SLOT_BSY_ERR    = (1U << 31),   /* Slot Busy Error */
+        GRD_CHK_ERR     = (1U << 14),   /* Guard Check Error */
+        APP_CHK_ERR     = (1U << 13),   /* Application Check error */
+        REF_CHK_ERR     = (1U << 12),   /* Reference Check Error */
+        USR_BLK_NM      = (1U << 0),    /* User Block Number */
 };
 
 struct mvs_chip_info {
@@ -543,28 +595,12 @@ struct mvs_cmd_hdr {
         __le32                  reserved[4];
 };
 
-struct mvs_slot_info {
-        struct sas_task         *task;
-        u32                     n_elem;
-        u32                     tx;
-
-        /* DMA buffer for storing cmd tbl, open addr frame, status buffer,
-         * and PRD table
-         */
-        void                    *buf;
-        dma_addr_t              buf_dma;
-#if _MV_DUMP
-        u32                     cmd_size;
-#endif
-
-        void                    *response;
-};
-
 struct mvs_port {
         struct asd_sas_port     sas_port;
         u8                      port_attached;
         u8                      taskfileset;
         u8                      wide_port_phymap;
+        struct list_head        list;
 };
 
 struct mvs_phy {
@@ -582,6 +618,27 @@ struct mvs_phy {
         u32             frame_rcvd_size;
         u8              frame_rcvd[32];
         u8              phy_attached;
+        enum sas_linkrate       minimum_linkrate;
+        enum sas_linkrate       maximum_linkrate;
+};
+
+struct mvs_slot_info {
+        struct list_head        list;
+        struct sas_task         *task;
+        u32                     n_elem;
+        u32                     tx;
+
+        /* DMA buffer for storing cmd tbl, open addr frame, status buffer,
+         * and PRD table
+         */
+        void                    *buf;
+        dma_addr_t              buf_dma;
+#if _MV_DUMP
+        u32                     cmd_size;
+#endif
+
+        void                    *response;
+        struct mvs_port         *port;
 };
 
 struct mvs_info {
@@ -612,21 +669,14 @@ struct mvs_info {
 
         const struct mvs_chip_info *chip;
 
-        unsigned long           tags[MVS_SLOTS];
+        u8                      tags[MVS_SLOTS];
         struct mvs_slot_info    slot_info[MVS_SLOTS];
                                 /* further per-slot information */
         struct mvs_phy          phy[MVS_MAX_PHYS];
         struct mvs_port         port[MVS_MAX_PHYS];
-
-        u32                     can_queue;      /* per adapter */
-        u32                     tag_out;        /*Get*/
-        u32                     tag_in;         /*Give*/
-};
-
-struct mvs_queue_task {
-        struct list_head list;
-
-        void   *uldd_task;
+#ifdef MVS_USE_TASKLET
+        struct tasklet_struct   tasklet;
+#endif
 };
 
 static int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
@@ -641,10 +691,11 @@ static u32 mvs_read_port_irq_mask(struct mvs_info *mvi, u32 port);
 static u32 mvs_is_phy_ready(struct mvs_info *mvi, int i);
 static void mvs_detect_porttype(struct mvs_info *mvi, int i);
 static void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st);
+static void mvs_release_task(struct mvs_info *mvi, int phy_no);
 
 static int mvs_scan_finished(struct Scsi_Host *, unsigned long);
 static void mvs_scan_start(struct Scsi_Host *);
-static int mvs_sas_slave_alloc(struct scsi_device *scsi_dev);
+static int mvs_slave_configure(struct scsi_device *sdev);
 
 static struct scsi_transport_template *mvs_stt;
 
@@ -659,7 +710,7 @@ static struct scsi_host_template mvs_sht = {
         .name                   = DRV_NAME,
         .queuecommand           = sas_queuecommand,
         .target_alloc           = sas_target_alloc,
-        .slave_configure        = sas_slave_configure,
+        .slave_configure        = mvs_slave_configure,
         .slave_destroy          = sas_slave_destroy,
         .scan_finished          = mvs_scan_finished,
         .scan_start             = mvs_scan_start,
@@ -674,7 +725,7 @@ static struct scsi_host_template mvs_sht = {
         .use_clustering         = ENABLE_CLUSTERING,
         .eh_device_reset_handler        = sas_eh_device_reset_handler,
         .eh_bus_reset_handler   = sas_eh_bus_reset_handler,
-        .slave_alloc            = mvs_sas_slave_alloc,
+        .slave_alloc            = sas_slave_alloc,
         .target_destroy         = sas_target_destroy,
         .ioctl                  = sas_ioctl,
 };