#define ASC_MAX_CDB_LEN 12
#define ASC_SCSI_RESET_HOLD_TIME_US 60
-#define ADV_INQ_CLOCKING_ST_ONLY 0x0
-#define ADV_INQ_CLOCKING_DT_ONLY 0x1
-#define ADV_INQ_CLOCKING_ST_AND_DT 0x3
-
/*
* Inquiry SPC-2 SPI Byte 1 EVPD (Enable Vital Product Data)
* and CmdDt (Command Support Data) field bit definitions.
#define ASC_SRB_TID(x) ((uchar)((uchar)(x) & (uchar)0x0F))
#define ASC_SRB_LUN(x) ((uchar)((uint)(x) >> 13))
#define PUT_CDB1(x) ((uchar)((uint)(x) >> 8))
-#define MS_CMD_DONE 0x00
-#define MS_EXTEND 0x01
#define MS_SDTR_LEN 0x03
-#define MS_SDTR_CODE 0x01
#define MS_WDTR_LEN 0x02
-#define MS_WDTR_CODE 0x03
-#define MS_MDP_LEN 0x05
-#define MS_MDP_CODE 0x00
-
-/*
- * Inquiry data structure and bitfield macros
- *
- * Only quantities of more than 1 bit are shifted, since the others are
- * just tested for true or false. C bitfields aren't portable between big
- * and little-endian platforms so they are not used.
- */
-
-#define ASC_INQ_DVC_TYPE(inq) ((inq)->periph & 0x1f)
-#define ASC_INQ_QUALIFIER(inq) (((inq)->periph & 0xe0) >> 5)
-#define ASC_INQ_DVC_TYPE_MOD(inq) ((inq)->devtype & 0x7f)
-#define ASC_INQ_REMOVABLE(inq) ((inq)->devtype & 0x80)
-#define ASC_INQ_ANSI_VER(inq) ((inq)->ver & 0x07)
-#define ASC_INQ_ECMA_VER(inq) (((inq)->ver & 0x38) >> 3)
-#define ASC_INQ_ISO_VER(inq) (((inq)->ver & 0xc0) >> 6)
-#define ASC_INQ_RESPONSE_FMT(inq) ((inq)->byte3 & 0x0f)
-#define ASC_INQ_TERM_IO(inq) ((inq)->byte3 & 0x40)
-#define ASC_INQ_ASYNC_NOTIF(inq) ((inq)->byte3 & 0x80)
-#define ASC_INQ_SOFT_RESET(inq) ((inq)->flags & 0x01)
-#define ASC_INQ_CMD_QUEUE(inq) ((inq)->flags & 0x02)
-#define ASC_INQ_LINK_CMD(inq) ((inq)->flags & 0x08)
-#define ASC_INQ_SYNC(inq) ((inq)->flags & 0x10)
-#define ASC_INQ_WIDE16(inq) ((inq)->flags & 0x20)
-#define ASC_INQ_WIDE32(inq) ((inq)->flags & 0x40)
-#define ASC_INQ_REL_ADDR(inq) ((inq)->flags & 0x80)
-#define ASC_INQ_INFO_UNIT(inq) ((inq)->info & 0x01)
-#define ASC_INQ_QUICK_ARB(inq) ((inq)->info & 0x02)
-#define ASC_INQ_CLOCKING(inq) (((inq)->info & 0x0c) >> 2)
-
-typedef struct {
- uchar periph;
- uchar devtype;
- uchar ver;
- uchar byte3;
- uchar add_len;
- uchar res1;
- uchar res2;
- uchar flags;
- uchar vendor_id[8];
- uchar product_id[16];
- uchar product_rev_level[4];
-} ASC_SCSI_INQUIRY;
#define ASC_SG_LIST_PER_Q 7
#define QS_FREE 0x00
static void DvcPutScsiQ(PortAddr, ushort, uchar *, int);
static void DvcGetQinfo(PortAddr, ushort, uchar *, int);
static ushort AscInitAsc1000Driver(ASC_DVC_VAR *);
-static void AscAsyncFix(ASC_DVC_VAR *, uchar, ASC_SCSI_INQUIRY *);
-static int AscTagQueuingSafe(ASC_SCSI_INQUIRY *);
-static void AscInquiryHandling(ASC_DVC_VAR *, uchar, ASC_SCSI_INQUIRY *);
+static void AscAsyncFix(ASC_DVC_VAR *, struct scsi_device *);
static int AscExeScsiQueue(ASC_DVC_VAR *, ASC_SCSI_Q *);
static int AscISR(ASC_DVC_VAR *);
static uint AscGetNumOfFreeQueue(ASC_DVC_VAR *, uchar, uchar);
* Internal Adv Library functions.
*/
static int AdvSendIdleCmd(ADV_DVC_VAR *, ushort, ADV_DCNT);
-static void AdvInquiryHandling(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *);
static int AdvInitFrom3550EEP(ADV_DVC_VAR *);
static int AdvInitFrom38C0800EEP(ADV_DVC_VAR *);
static int AdvInitFrom38C1600EEP(ADV_DVC_VAR *);
(sizeof(ADV_SG_BLOCK) * \
((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK))
-/*
- * Inquiry data structure and bitfield macros
- *
- * Using bitfields to access the subchar data isn't portable across
- * endianness, so instead mask and shift. Only quantities of more
- * than 1 bit are shifted, since the others are just tested for true
- * or false.
- */
-
-#define ADV_INQ_DVC_TYPE(inq) ((inq)->periph & 0x1f)
-#define ADV_INQ_QUALIFIER(inq) (((inq)->periph & 0xe0) >> 5)
-#define ADV_INQ_DVC_TYPE_MOD(inq) ((inq)->devtype & 0x7f)
-#define ADV_INQ_REMOVABLE(inq) ((inq)->devtype & 0x80)
-#define ADV_INQ_ANSI_VER(inq) ((inq)->ver & 0x07)
-#define ADV_INQ_ECMA_VER(inq) (((inq)->ver & 0x38) >> 3)
-#define ADV_INQ_ISO_VER(inq) (((inq)->ver & 0xc0) >> 6)
-#define ADV_INQ_RESPONSE_FMT(inq) ((inq)->byte3 & 0x0f)
-#define ADV_INQ_TERM_IO(inq) ((inq)->byte3 & 0x40)
-#define ADV_INQ_ASYNC_NOTIF(inq) ((inq)->byte3 & 0x80)
-#define ADV_INQ_SOFT_RESET(inq) ((inq)->flags & 0x01)
-#define ADV_INQ_CMD_QUEUE(inq) ((inq)->flags & 0x02)
-#define ADV_INQ_LINK_CMD(inq) ((inq)->flags & 0x08)
-#define ADV_INQ_SYNC(inq) ((inq)->flags & 0x10)
-#define ADV_INQ_WIDE16(inq) ((inq)->flags & 0x20)
-#define ADV_INQ_WIDE32(inq) ((inq)->flags & 0x40)
-#define ADV_INQ_REL_ADDR(inq) ((inq)->flags & 0x80)
-#define ADV_INQ_INFO_UNIT(inq) ((inq)->info & 0x01)
-#define ADV_INQ_QUICK_ARB(inq) ((inq)->info & 0x02)
-#define ADV_INQ_CLOCKING(inq) (((inq)->info & 0x0c) >> 2)
-
-typedef struct {
- uchar periph; /* peripheral device type [0:4] */
- /* peripheral qualifier [5:7] */
- uchar devtype; /* device type modifier (for SCSI I) [0:6] */
- /* RMB - removable medium bit [7] */
- uchar ver; /* ANSI approved version [0:2] */
- /* ECMA version [3:5] */
- /* ISO version [6:7] */
- uchar byte3; /* response data format [0:3] */
- /* 0 SCSI 1 */
- /* 1 CCS */
- /* 2 SCSI-2 */
- /* 3-F reserved */
- /* reserved [4:5] */
- /* terminate I/O process bit (see 5.6.22) [6] */
- /* asynch. event notification (processor) [7] */
- uchar add_len; /* additional length */
- uchar res1; /* reserved */
- uchar res2; /* reserved */
- uchar flags; /* soft reset implemented [0] */
- /* command queuing [1] */
- /* reserved [2] */
- /* linked command for this logical unit [3] */
- /* synchronous data transfer [4] */
- /* wide bus 16 bit data transfer [5] */
- /* wide bus 32 bit data transfer [6] */
- /* relative addressing mode [7] */
- uchar vendor_id[8]; /* vendor identification */
- uchar product_id[16]; /* product identification */
- uchar product_rev_level[4]; /* product revision level */
- uchar vendor_specific[20]; /* vendor specific */
- uchar info; /* information unit supported [0] */
- /* quick arbitrate supported [1] */
- /* clocking field [2:3] */
- /* reserved [4:7] */
- uchar res3; /* reserved */
-} ADV_SCSI_INQUIRY; /* 58 bytes */
-
/*
* --- Driver Constants and Macros
*/
/*
* The following fields are used only for Narrow Boards.
*/
- /* The following three structures must be in DMA-able memory. */
- ASC_SCSI_REQ_Q scsireqq;
- ASC_CAP_INFO cap_info;
- ASC_SCSI_INQUIRY inquiry;
uchar sdtr_data[ASC_MAX_TID + 1]; /* SDTR information */
/*
* The following fields are used only for Wide Boards.
/*
* --- Driver Function Prototypes
- *
- * advansys.h contains function prototypes for functions global to Linux.
*/
static int advansys_slave_configure(struct scsi_device *);
return result;
}
+static void
+advansys_narrow_slave_configure(struct scsi_device *sdev, ASC_DVC_VAR *asc_dvc)
+{
+ ASC_SCSI_BIT_ID_TYPE tid_bit = 1 << sdev->id;
+ ASC_SCSI_BIT_ID_TYPE orig_use_tagged_qng = asc_dvc->use_tagged_qng;
+
+ if (sdev->lun == 0) {
+ ASC_SCSI_BIT_ID_TYPE orig_init_sdtr = asc_dvc->init_sdtr;
+ if ((asc_dvc->cfg->sdtr_enable & tid_bit) && sdev->sdtr) {
+ asc_dvc->init_sdtr |= tid_bit;
+ } else {
+ asc_dvc->init_sdtr &= ~tid_bit;
+ }
+
+ if (orig_init_sdtr != asc_dvc->init_sdtr)
+ AscAsyncFix(asc_dvc, sdev);
+ }
+
+ if (sdev->tagged_supported) {
+ if (asc_dvc->cfg->cmd_qng_enabled & tid_bit) {
+ if (sdev->lun == 0) {
+ asc_dvc->cfg->can_tagged_qng |= tid_bit;
+ asc_dvc->use_tagged_qng |= tid_bit;
+ }
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
+ asc_dvc->max_dvc_qng[sdev->id]);
+ }
+ } else {
+ if (sdev->lun == 0) {
+ asc_dvc->cfg->can_tagged_qng &= ~tid_bit;
+ asc_dvc->use_tagged_qng &= ~tid_bit;
+ }
+ scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
+ }
+
+ if ((sdev->lun == 0) &&
+ (orig_use_tagged_qng != asc_dvc->use_tagged_qng)) {
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B,
+ asc_dvc->cfg->disc_enable);
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B,
+ asc_dvc->use_tagged_qng);
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B,
+ asc_dvc->cfg->can_tagged_qng);
+
+ asc_dvc->max_dvc_qng[sdev->id] =
+ asc_dvc->cfg->max_tag_qng[sdev->id];
+ AscWriteLramByte(asc_dvc->iop_base,
+ (ushort)(ASCV_MAX_DVC_QNG_BEG + sdev->id),
+ asc_dvc->max_dvc_qng[sdev->id]);
+ }
+}
+
/*
- * Set the number of commands to queue per device for the
- * specified host adapter.
+ * Wide Transfers
+ *
+ * If the EEPROM enabled WDTR for the device and the device supports wide
+ * bus (16 bit) transfers, then turn on the device's 'wdtr_able' bit and
+ * write the new value to the microcode.
*/
-static int advansys_slave_configure(struct scsi_device *device)
+static void
+advansys_wide_enable_wdtr(AdvPortAddr iop_base, unsigned short tidmask)
{
- asc_board_t *boardp;
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
+ if ((cfg_word & tidmask) != 0)
+ return;
+
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
- boardp = ASC_BOARDP(device->host);
- boardp->flags |= ASC_SELECT_QUEUE_DEPTHS;
/*
- * Save a pointer to the device and set its initial/maximum
- * queue depth. Only save the pointer for a lun0 dev though.
+ * Clear the microcode SDTR and WDTR negotiation done indicators for
+ * the target to cause it to negotiate with the new setting set above.
+ * WDTR when accepted causes the target to enter asynchronous mode, so
+ * SDTR must be negotiated.
*/
- if (device->lun == 0)
- boardp->device[device->id] = device;
- if (device->tagged_supported) {
- if (ASC_NARROW_BOARD(boardp)) {
- scsi_adjust_queue_depth(device, MSG_ORDERED_TAG,
- boardp->dvc_var.asc_dvc_var.
- max_dvc_qng[device->id]);
- } else {
- scsi_adjust_queue_depth(device, MSG_ORDERED_TAG,
- boardp->dvc_var.adv_dvc_var.
- max_dvc_qng);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
+}
+
+/*
+ * Synchronous Transfers
+ *
+ * If the EEPROM enabled SDTR for the device and the device
+ * supports synchronous transfers, then turn on the device's
+ * 'sdtr_able' bit. Write the new value to the microcode.
+ */
+static void
+advansys_wide_enable_sdtr(AdvPortAddr iop_base, unsigned short tidmask)
+{
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
+ if ((cfg_word & tidmask) != 0)
+ return;
+
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
+
+ /*
+ * Clear the microcode "SDTR negotiation" done indicator for the
+ * target to cause it to negotiate with the new setting set above.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+}
+
+/*
+ * PPR (Parallel Protocol Request) Capable
+ *
+ * If the device supports DT mode, then it must be PPR capable.
+ * The PPR message will be used in place of the SDTR and WDTR
+ * messages to negotiate synchronous speed and offset, transfer
+ * width, and protocol options.
+ */
+static void advansys_wide_enable_ppr(ADV_DVC_VAR *adv_dvc,
+ AdvPortAddr iop_base, unsigned short tidmask)
+{
+ AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
+ adv_dvc->ppr_able |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
+}
+
+static void
+advansys_wide_slave_configure(struct scsi_device *sdev, ADV_DVC_VAR *adv_dvc)
+{
+ AdvPortAddr iop_base = adv_dvc->iop_base;
+ unsigned short tidmask = 1 << sdev->id;
+
+ if (sdev->lun == 0) {
+ /*
+ * Handle WDTR, SDTR, and Tag Queuing. If the feature
+ * is enabled in the EEPROM and the device supports the
+ * feature, then enable it in the microcode.
+ */
+
+ if ((adv_dvc->wdtr_able & tidmask) && sdev->wdtr)
+ advansys_wide_enable_wdtr(iop_base, tidmask);
+ if ((adv_dvc->sdtr_able & tidmask) && sdev->sdtr)
+ advansys_wide_enable_sdtr(iop_base, tidmask);
+ if (adv_dvc->chip_type == ADV_CHIP_ASC38C1600 && sdev->ppr)
+ advansys_wide_enable_ppr(adv_dvc, iop_base, tidmask);
+
+ /*
+ * Tag Queuing is disabled for the BIOS which runs in polled
+ * mode and would see no benefit from Tag Queuing. Also by
+ * disabling Tag Queuing in the BIOS devices with Tag Queuing
+ * bugs will at least work with the BIOS.
+ */
+ if ((adv_dvc->tagqng_able & tidmask) &&
+ sdev->tagged_supported) {
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word);
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ cfg_word);
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + sdev->id,
+ adv_dvc->max_dvc_qng);
}
+ }
+
+ if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported) {
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
+ adv_dvc->max_dvc_qng);
} else {
- scsi_adjust_queue_depth(device, 0, device->host->cmd_per_lun);
+ scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
}
- ASC_DBG4(1,
- "advansys_slave_configure: device 0x%lx, boardp 0x%lx, id %d, depth %d\n",
- (ulong)device, (ulong)boardp, device->id, device->queue_depth);
+}
+
+/*
+ * Set the number of commands to queue per device for the
+ * specified host adapter.
+ */
+static int advansys_slave_configure(struct scsi_device *sdev)
+{
+ asc_board_t *boardp = ASC_BOARDP(sdev->host);
+ boardp->flags |= ASC_SELECT_QUEUE_DEPTHS;
+
+ /*
+ * Save a pointer to the sdev and set its initial/maximum
+ * queue depth. Only save the pointer for a lun0 dev though.
+ */
+ if (sdev->lun == 0)
+ boardp->device[sdev->id] = sdev;
+
+ if (ASC_NARROW_BOARD(boardp))
+ advansys_narrow_slave_configure(sdev,
+ &boardp->dvc_var.asc_dvc_var);
+ else
+ advansys_wide_slave_configure(sdev,
+ &boardp->dvc_var.adv_dvc_var);
+
return 0;
}
ASC_DBG(2, "asc_isr_callback: QD_NO_ERROR\n");
scp->result = 0;
- /*
- * If an INQUIRY command completed successfully, then call
- * the AscInquiryHandling() function to set-up the device.
- */
- if (scp->cmnd[0] == INQUIRY && scp->device->lun == 0 &&
- (scp->request_bufflen - qdonep->remain_bytes) >= 8) {
- AscInquiryHandling(asc_dvc_varp, scp->device->id & 0x7,
- (ASC_SCSI_INQUIRY *)scp->
- request_buffer);
- }
-
/*
* Check for an underrun condition.
*
* If there was no error and an underrun condition, then
- * then return the number of underrun bytes.
+ * return the number of underrun bytes.
*/
if (scp->request_bufflen != 0 && qdonep->remain_bytes != 0 &&
qdonep->remain_bytes <= scp->request_bufflen) {
(uchar *)&ext_msg,
sizeof(EXT_MSG) >> 1);
- if (ext_msg.msg_type == MS_EXTEND &&
- ext_msg.msg_req == MS_SDTR_CODE &&
+ if (ext_msg.msg_type == EXTENDED_MESSAGE &&
+ ext_msg.msg_req == EXTENDED_SDTR &&
ext_msg.msg_len == MS_SDTR_LEN) {
sdtr_accept = TRUE;
if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) {
q_cntl);
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return (0);
- } else if (ext_msg.msg_type == MS_EXTEND &&
- ext_msg.msg_req == MS_WDTR_CODE &&
+ } else if (ext_msg.msg_type == EXTENDED_MESSAGE &&
+ ext_msg.msg_req == EXTENDED_WDTR &&
ext_msg.msg_len == MS_WDTR_LEN) {
ext_msg.wdtr_width = 0;
(uchar *)&out_msg,
sizeof(EXT_MSG) >> 1);
- if ((out_msg.msg_type == MS_EXTEND) &&
+ if ((out_msg.msg_type == EXTENDED_MESSAGE) &&
(out_msg.msg_len == MS_SDTR_LEN) &&
- (out_msg.msg_req == MS_SDTR_CODE)) {
+ (out_msg.msg_req == EXTENDED_SDTR)) {
asc_dvc->init_sdtr &= ~target_id;
asc_dvc->sdtr_done &= ~target_id;
PortAddr iop_base;
iop_base = asc_dvc->iop_base;
- sdtr_buf.msg_type = MS_EXTEND;
+ sdtr_buf.msg_type = EXTENDED_MESSAGE;
sdtr_buf.msg_len = MS_SDTR_LEN;
- sdtr_buf.msg_req = MS_SDTR_CODE;
+ sdtr_buf.msg_req = EXTENDED_SDTR;
sdtr_buf.xfer_period = sdtr_period;
sdtr_offset &= ASC_SYN_MAX_OFFSET;
sdtr_buf.req_ack_offset = sdtr_offset;
return (n_error);
}
-static void
-AscAsyncFix(ASC_DVC_VAR *asc_dvc, uchar tid_no, ASC_SCSI_INQUIRY *inq)
+static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev)
{
- uchar dvc_type;
- ASC_SCSI_BIT_ID_TYPE tid_bits;
-
- dvc_type = ASC_INQ_DVC_TYPE(inq);
- tid_bits = ASC_TIX_TO_TARGET_ID(tid_no);
+ char type = sdev->type;
+ ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id;
if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN) {
if (!(asc_dvc->init_sdtr & tid_bits)) {
- if ((dvc_type == TYPE_ROM) &&
- (strncmp(inq->vendor_id, "HP ", 3) == 0)) {
+ if ((type == TYPE_ROM) &&
+ (strncmp(sdev->vendor, "HP ", 3) == 0)) {
asc_dvc->pci_fix_asyn_xfer_always |= tid_bits;
}
asc_dvc->pci_fix_asyn_xfer |= tid_bits;
- if ((dvc_type == TYPE_PROCESSOR) ||
- (dvc_type == TYPE_SCANNER) ||
- (dvc_type == TYPE_ROM) || (dvc_type == TYPE_TAPE)) {
+ if ((type == TYPE_PROCESSOR) ||
+ (type == TYPE_SCANNER) || (type == TYPE_ROM) ||
+ (type == TYPE_TAPE)) {
asc_dvc->pci_fix_asyn_xfer &= ~tid_bits;
}
if (asc_dvc->pci_fix_asyn_xfer & tid_bits) {
AscSetRunChipSynRegAtID(asc_dvc->iop_base,
- tid_no,
- ASYN_SDTR_DATA_FIX_PCI_REV_AB);
+ sdev->id,
+ ASYN_SDTR_DATA_FIX_PCI_REV_AB);
}
}
}
- return;
-}
-
-static int AscTagQueuingSafe(ASC_SCSI_INQUIRY *inq)
-{
- if ((inq->add_len >= 32) &&
- (strncmp(inq->vendor_id, "QUANTUM XP34301", 15) == 0) &&
- (strncmp(inq->product_rev_level, "1071", 4) == 0)) {
- return 0;
- }
- return 1;
-}
-
-static void
-AscInquiryHandling(ASC_DVC_VAR *asc_dvc, uchar tid_no, ASC_SCSI_INQUIRY *inq)
-{
- ASC_SCSI_BIT_ID_TYPE tid_bit = ASC_TIX_TO_TARGET_ID(tid_no);
- ASC_SCSI_BIT_ID_TYPE orig_init_sdtr, orig_use_tagged_qng;
-
- orig_init_sdtr = asc_dvc->init_sdtr;
- orig_use_tagged_qng = asc_dvc->use_tagged_qng;
-
- asc_dvc->init_sdtr &= ~tid_bit;
- asc_dvc->cfg->can_tagged_qng &= ~tid_bit;
- asc_dvc->use_tagged_qng &= ~tid_bit;
-
- if (ASC_INQ_RESPONSE_FMT(inq) >= 2 || ASC_INQ_ANSI_VER(inq) >= 2) {
- if ((asc_dvc->cfg->sdtr_enable & tid_bit) && ASC_INQ_SYNC(inq)) {
- asc_dvc->init_sdtr |= tid_bit;
- }
- if ((asc_dvc->cfg->cmd_qng_enabled & tid_bit) &&
- ASC_INQ_CMD_QUEUE(inq)) {
- if (AscTagQueuingSafe(inq)) {
- asc_dvc->use_tagged_qng |= tid_bit;
- asc_dvc->cfg->can_tagged_qng |= tid_bit;
- }
- }
- }
- if (orig_use_tagged_qng != asc_dvc->use_tagged_qng) {
- AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B,
- asc_dvc->cfg->disc_enable);
- AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B,
- asc_dvc->use_tagged_qng);
- AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B,
- asc_dvc->cfg->can_tagged_qng);
-
- asc_dvc->max_dvc_qng[tid_no] =
- asc_dvc->cfg->max_tag_qng[tid_no];
- AscWriteLramByte(asc_dvc->iop_base,
- (ushort)(ASCV_MAX_DVC_QNG_BEG + tid_no),
- asc_dvc->max_dvc_qng[tid_no]);
- }
- if (orig_init_sdtr != asc_dvc->init_sdtr) {
- AscAsyncFix(asc_dvc, tid_no, inq);
- }
- return;
}
static uchar AscReadLramByte(PortAddr iop_base, ushort addr)
/*
* Microcode operating variables for WDTR, SDTR, and command tag
- * queuing will be set in AdvInquiryHandling() based on what a
+ * queuing will be set in slave_configure() based on what a
* device reports it is capable of in Inquiry byte 7.
*
* If SCSI Bus Resets have been disabled, then directly set
/*
* Microcode operating variables for WDTR, SDTR, and command tag
- * queuing will be set in AdvInquiryHandling() based on what a
+ * queuing will be set in slave_configure() based on what a
* device reports it is capable of in Inquiry byte 7.
*
* If SCSI Bus Resets have been disabled, then directly set
/*
* Microcode operating variables for WDTR, SDTR, and command tag
- * queuing will be set in AdvInquiryHandling() based on what a
+ * queuing will be set in slave_configure() based on what a
* device reports it is capable of in Inquiry byte 7.
*
* If SCSI Bus Resets have been disabled, then directly set
*/
scsiq->cntl = 0;
- /*
- * If the command that completed was a SCSI INQUIRY and
- * LUN 0 was sent the command, then process the INQUIRY
- * command information for the device.
- *
- * Note: If data returned were either VPD or CmdDt data,
- * don't process the INQUIRY command information for
- * the device, otherwise may erroneously set *_able bits.
- */
- if (scsiq->done_status == QD_NO_ERROR &&
- scsiq->cdb[0] == INQUIRY &&
- scsiq->target_lun == 0 &&
- (scsiq->cdb[1] & ADV_INQ_RTN_VPD_AND_CMDDT)
- == ADV_INQ_RTN_STD_INQUIRY_DATA) {
- AdvInquiryHandling(asc_dvc, scsiq);
- }
-
/*
* Notify the driver of the completed request by passing
* the ADV_SCSI_REQ_Q pointer to its callback function.
return ADV_ERROR;
}
-/*
- * Inquiry Information Byte 7 Handling
- *
- * Handle SCSI Inquiry Command information for a device by setting
- * microcode operating variables that affect WDTR, SDTR, and Tag
- * Queuing.
- */
-static void AdvInquiryHandling(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq)
-{
- AdvPortAddr iop_base;
- uchar tid;
- ADV_SCSI_INQUIRY *inq;
- ushort tidmask;
- ushort cfg_word;
-
- /*
- * AdvInquiryHandling() requires up to INQUIRY information Byte 7
- * to be available.
- *
- * If less than 8 bytes of INQUIRY information were requested or less
- * than 8 bytes were transferred, then return. cdb[4] is the request
- * length and the ADV_SCSI_REQ_Q 'data_cnt' field is set by the
- * microcode to the transfer residual count.
- */
-
- if (scsiq->cdb[4] < 8 ||
- (scsiq->cdb[4] - le32_to_cpu(scsiq->data_cnt)) < 8) {
- return;
- }
-
- iop_base = asc_dvc->iop_base;
- tid = scsiq->target_id;
-
- inq = (ADV_SCSI_INQUIRY *) scsiq->vdata_addr;
-
- /*
- * WDTR, SDTR, and Tag Queuing cannot be enabled for old devices.
- */
- if (ADV_INQ_RESPONSE_FMT(inq) < 2 && ADV_INQ_ANSI_VER(inq) < 2) {
- return;
- } else {
- /*
- * INQUIRY Byte 7 Handling
- *
- * Use a device's INQUIRY byte 7 to determine whether it
- * supports WDTR, SDTR, and Tag Queuing. If the feature
- * is enabled in the EEPROM and the device supports the
- * feature, then enable it in the microcode.
- */
-
- tidmask = ADV_TID_TO_TIDMASK(tid);
-
- /*
- * Wide Transfers
- *
- * If the EEPROM enabled WDTR for the device and the device
- * supports wide bus (16 bit) transfers, then turn on the
- * device's 'wdtr_able' bit and write the new value to the
- * microcode.
- */
- if ((asc_dvc->wdtr_able & tidmask) && ADV_INQ_WIDE16(inq)) {
- AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
- if ((cfg_word & tidmask) == 0) {
- cfg_word |= tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
- cfg_word);
-
- /*
- * Clear the microcode "SDTR negotiation" and "WDTR
- * negotiation" done indicators for the target to cause
- * it to negotiate with the new setting set above.
- * WDTR when accepted causes the target to enter
- * asynchronous mode, so SDTR must be negotiated.
- */
- AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE,
- cfg_word);
- cfg_word &= ~tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE,
- cfg_word);
- AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE,
- cfg_word);
- cfg_word &= ~tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE,
- cfg_word);
- }
- }
-
- /*
- * Synchronous Transfers
- *
- * If the EEPROM enabled SDTR for the device and the device
- * supports synchronous transfers, then turn on the device's
- * 'sdtr_able' bit. Write the new value to the microcode.
- */
- if ((asc_dvc->sdtr_able & tidmask) && ADV_INQ_SYNC(inq)) {
- AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
- if ((cfg_word & tidmask) == 0) {
- cfg_word |= tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
- cfg_word);
-
- /*
- * Clear the microcode "SDTR negotiation" done indicator
- * for the target to cause it to negotiate with the new
- * setting set above.
- */
- AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE,
- cfg_word);
- cfg_word &= ~tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE,
- cfg_word);
- }
- }
- /*
- * If the Inquiry data included enough space for the SPI-3
- * Clocking field, then check if DT mode is supported.
- */
- if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600 &&
- (scsiq->cdb[4] >= 57 ||
- (scsiq->cdb[4] - le32_to_cpu(scsiq->data_cnt)) >= 57)) {
- /*
- * PPR (Parallel Protocol Request) Capable
- *
- * If the device supports DT mode, then it must be PPR capable.
- * The PPR message will be used in place of the SDTR and WDTR
- * messages to negotiate synchronous speed and offset, transfer
- * width, and protocol options.
- */
- if (ADV_INQ_CLOCKING(inq) & ADV_INQ_CLOCKING_DT_ONLY) {
- AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE,
- asc_dvc->ppr_able);
- asc_dvc->ppr_able |= tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE,
- asc_dvc->ppr_able);
- }
- }
-
- /*
- * If the EEPROM enabled Tag Queuing for the device and the
- * device supports Tag Queueing, then turn on the device's
- * 'tagqng_enable' bit in the microcode and set the microcode
- * maximum command count to the ADV_DVC_VAR 'max_dvc_qng'
- * value.
- *
- * Tag Queuing is disabled for the BIOS which runs in polled
- * mode and would see no benefit from Tag Queuing. Also by
- * disabling Tag Queuing in the BIOS devices with Tag Queuing
- * bugs will at least work with the BIOS.
- */
- if ((asc_dvc->tagqng_able & tidmask) && ADV_INQ_CMD_QUEUE(inq)) {
- AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word);
- cfg_word |= tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
- cfg_word);
-
- AdvWriteByteLram(iop_base,
- ASC_MC_NUMBER_OF_MAX_CMD + tid,
- asc_dvc->max_dvc_qng);
- }
- }
-}
-
static int __devinit
advansys_wide_init_chip(asc_board_t *boardp, ADV_DVC_VAR *adv_dvc_varp)
{
projects / linux-2.6-omap-h63xx.git / commitdiff