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path: root/drivers/scsi/qla2xxx/qla_iocb.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c1576
1 files changed, 1233 insertions, 343 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 7bac3cd109d..76093152959 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1,18 +1,17 @@
/*
* QLogic Fibre Channel HBA Driver
- * Copyright (c) 2003-2011 QLogic Corporation
+ * Copyright (c) 2003-2014 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
+#include "qla_target.h"
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <scsi/scsi_tcq.h>
-static void qla2x00_isp_cmd(struct scsi_qla_host *, struct req_que *);
-
static void qla25xx_set_que(srb_t *, struct rsp_que **);
/**
* qla2x00_get_cmd_direction() - Determine control_flag data direction.
@@ -24,18 +23,20 @@ static inline uint16_t
qla2x00_get_cmd_direction(srb_t *sp)
{
uint16_t cflags;
+ struct scsi_cmnd *cmd = GET_CMD_SP(sp);
+ struct scsi_qla_host *vha = sp->fcport->vha;
cflags = 0;
/* Set transfer direction */
- if (sp->cmd->sc_data_direction == DMA_TO_DEVICE) {
+ if (cmd->sc_data_direction == DMA_TO_DEVICE) {
cflags = CF_WRITE;
- sp->fcport->vha->hw->qla_stats.output_bytes +=
- scsi_bufflen(sp->cmd);
- } else if (sp->cmd->sc_data_direction == DMA_FROM_DEVICE) {
+ vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.output_requests++;
+ } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cflags = CF_READ;
- sp->fcport->vha->hw->qla_stats.input_bytes +=
- scsi_bufflen(sp->cmd);
+ vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.input_requests++;
}
return (cflags);
}
@@ -120,11 +121,10 @@ qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
* Returns a pointer to the continuation type 1 IOCB packet.
*/
static inline cont_a64_entry_t *
-qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
+qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req)
{
cont_a64_entry_t *cont_pkt;
- struct req_que *req = vha->req;
/* Adjust ring index. */
req->ring_index++;
if (req->ring_index == req->length) {
@@ -137,7 +137,8 @@ qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
/* Load packet defaults. */
- *((uint32_t *)(&cont_pkt->entry_type)) =
+ *((uint32_t *)(&cont_pkt->entry_type)) = IS_QLAFX00(vha->hw) ?
+ __constant_cpu_to_le32(CONTINUE_A64_TYPE_FX00) :
__constant_cpu_to_le32(CONTINUE_A64_TYPE);
return (cont_pkt);
@@ -146,19 +147,14 @@ qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
static inline int
qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts)
{
- uint8_t guard = scsi_host_get_guard(sp->cmd->device->host);
-
- /* We only support T10 DIF right now */
- if (guard != SHOST_DIX_GUARD_CRC) {
- DEBUG2(printk(KERN_ERR "Unsupported guard: %d\n", guard));
- return 0;
- }
+ struct scsi_cmnd *cmd = GET_CMD_SP(sp);
+ uint8_t guard = scsi_host_get_guard(cmd->device->host);
/* We always use DIFF Bundling for best performance */
*fw_prot_opts = 0;
/* Translate SCSI opcode to a protection opcode */
- switch (scsi_get_prot_op(sp->cmd)) {
+ switch (scsi_get_prot_op(cmd)) {
case SCSI_PROT_READ_STRIP:
*fw_prot_opts |= PO_MODE_DIF_REMOVE;
break;
@@ -172,17 +168,18 @@ qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts)
*fw_prot_opts |= PO_MODE_DIF_REMOVE;
break;
case SCSI_PROT_READ_PASS:
- *fw_prot_opts |= PO_MODE_DIF_PASS;
- break;
case SCSI_PROT_WRITE_PASS:
- *fw_prot_opts |= PO_MODE_DIF_PASS;
+ if (guard & SHOST_DIX_GUARD_IP)
+ *fw_prot_opts |= PO_MODE_DIF_TCP_CKSUM;
+ else
+ *fw_prot_opts |= PO_MODE_DIF_PASS;
break;
default: /* Normal Request */
*fw_prot_opts |= PO_MODE_DIF_PASS;
break;
}
- return scsi_prot_sg_count(sp->cmd);
+ return scsi_prot_sg_count(cmd);
}
/*
@@ -203,7 +200,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
struct scatterlist *sg;
int i;
- cmd = sp->cmd;
+ cmd = GET_CMD_SP(sp);
/* Update entry type to indicate Command Type 2 IOCB */
*((uint32_t *)(&cmd_pkt->entry_type)) =
@@ -261,7 +258,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
struct scatterlist *sg;
int i;
- cmd = sp->cmd;
+ cmd = GET_CMD_SP(sp);
/* Update entry type to indicate Command Type 3 IOCB */
*((uint32_t *)(&cmd_pkt->entry_type)) =
@@ -291,7 +288,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
* Five DSDs are available in the Continuation
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
avail_dsds = 5;
}
@@ -335,7 +332,7 @@ qla2x00_start_scsi(srb_t *sp)
vha = sp->fcport->vha;
ha = vha->hw;
reg = &ha->iobase->isp;
- cmd = sp->cmd;
+ cmd = GET_CMD_SP(sp);
req = ha->req_q_map[0];
rsp = ha->rsp_q_map[0];
/* So we know we haven't pci_map'ed anything yet */
@@ -343,9 +340,10 @@ qla2x00_start_scsi(srb_t *sp)
/* Send marker if required */
if (vha->marker_needed != 0) {
- if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL)
- != QLA_SUCCESS)
+ if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
+ QLA_SUCCESS) {
return (QLA_FUNCTION_FAILED);
+ }
vha->marker_needed = 0;
}
@@ -354,14 +352,14 @@ qla2x00_start_scsi(srb_t *sp)
/* Check for room in outstanding command list. */
handle = req->current_outstanding_cmd;
- for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
handle++;
- if (handle == MAX_OUTSTANDING_COMMANDS)
+ if (handle == req->num_outstanding_cmds)
handle = 1;
if (!req->outstanding_cmds[handle])
break;
}
- if (index == MAX_OUTSTANDING_COMMANDS)
+ if (index == req->num_outstanding_cmds)
goto queuing_error;
/* Map the sg table so we have an accurate count of sg entries needed */
@@ -384,15 +382,16 @@ qla2x00_start_scsi(srb_t *sp)
else
req->cnt = req->length -
(req->ring_index - cnt);
+ /* If still no head room then bail out */
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
}
- if (req->cnt < (req_cnt + 2))
- goto queuing_error;
/* Build command packet */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
sp->handle = handle;
- sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
+ cmd->host_scribble = (unsigned char *)(unsigned long)handle;
req->cnt -= req_cnt;
cmd_pkt = (cmd_entry_t *)req->ring_ptr;
@@ -404,7 +403,7 @@ qla2x00_start_scsi(srb_t *sp)
/* Set target ID and LUN number*/
SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id);
- cmd_pkt->lun = cpu_to_le16(sp->cmd->device->lun);
+ cmd_pkt->lun = cpu_to_le16(cmd->device->lun);
/* Update tagged queuing modifier */
if (scsi_populate_tag_msg(cmd, tag)) {
@@ -422,6 +421,8 @@ qla2x00_start_scsi(srb_t *sp)
__constant_cpu_to_le16(CF_SIMPLE_TAG);
break;
}
+ } else {
+ cmd_pkt->control_flags = __constant_cpu_to_le16(CF_SIMPLE_TAG);
}
/* Load SCSI command packet. */
@@ -467,6 +468,45 @@ queuing_error:
}
/**
+ * qla2x00_start_iocbs() - Execute the IOCB command
+ */
+void
+qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req)
+{
+ struct qla_hw_data *ha = vha->hw;
+ device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
+
+ if (IS_P3P_TYPE(ha)) {
+ qla82xx_start_iocbs(vha);
+ } else {
+ /* Adjust ring index. */
+ req->ring_index++;
+ if (req->ring_index == req->length) {
+ req->ring_index = 0;
+ req->ring_ptr = req->ring;
+ } else
+ req->ring_ptr++;
+
+ /* Set chip new ring index. */
+ if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
+ WRT_REG_DWORD(req->req_q_in, req->ring_index);
+ RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
+ } else if (IS_QLAFX00(ha)) {
+ WRT_REG_DWORD(&reg->ispfx00.req_q_in, req->ring_index);
+ RD_REG_DWORD_RELAXED(&reg->ispfx00.req_q_in);
+ QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
+ } else if (IS_FWI2_CAPABLE(ha)) {
+ WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
+ RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
+ } else {
+ WRT_REG_WORD(ISP_REQ_Q_IN(ha, &reg->isp),
+ req->ring_index);
+ RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
+ }
+ }
+}
+
+/**
* qla2x00_marker() - Send a marker IOCB to the firmware.
* @ha: HA context
* @loop_id: loop ID
@@ -483,15 +523,16 @@ __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
uint16_t lun, uint8_t type)
{
mrk_entry_t *mrk;
- struct mrk_entry_24xx *mrk24;
+ struct mrk_entry_24xx *mrk24 = NULL;
+
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
- mrk24 = NULL;
- mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, 0);
+ req = ha->req_q_map[0];
+ mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, NULL);
if (mrk == NULL) {
- DEBUG2_3(printk("%s(%ld): failed to allocate Marker IOCB.\n",
- __func__, base_vha->host_no));
+ ql_log(ql_log_warn, base_vha, 0x3026,
+ "Failed to allocate Marker IOCB.\n");
return (QLA_FUNCTION_FAILED);
}
@@ -514,7 +555,7 @@ __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
}
wmb();
- qla2x00_isp_cmd(vha, req);
+ qla2x00_start_iocbs(vha, req);
return (QLA_SUCCESS);
}
@@ -534,91 +575,144 @@ qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
return (ret);
}
-/**
- * qla2x00_isp_cmd() - Modify the request ring pointer.
- * @ha: HA context
+/*
+ * qla2x00_issue_marker
*
- * Note: The caller must hold the hardware lock before calling this routine.
+ * Issue marker
+ * Caller CAN have hardware lock held as specified by ha_locked parameter.
+ * Might release it, then reaquire.
*/
-static void
-qla2x00_isp_cmd(struct scsi_qla_host *vha, struct req_que *req)
+int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked)
{
- struct qla_hw_data *ha = vha->hw;
- device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
- struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
+ if (ha_locked) {
+ if (__qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
+ MK_SYNC_ALL) != QLA_SUCCESS)
+ return QLA_FUNCTION_FAILED;
+ } else {
+ if (qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
+ MK_SYNC_ALL) != QLA_SUCCESS)
+ return QLA_FUNCTION_FAILED;
+ }
+ vha->marker_needed = 0;
- DEBUG5(printk("%s(): IOCB data:\n", __func__));
- DEBUG5(qla2x00_dump_buffer(
- (uint8_t *)req->ring_ptr, REQUEST_ENTRY_SIZE));
+ return QLA_SUCCESS;
+}
- /* Adjust ring index. */
- req->ring_index++;
- if (req->ring_index == req->length) {
- req->ring_index = 0;
- req->ring_ptr = req->ring;
- } else
- req->ring_ptr++;
+static inline int
+qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
+ uint16_t tot_dsds)
+{
+ uint32_t *cur_dsd = NULL;
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ struct scsi_cmnd *cmd;
+ struct scatterlist *cur_seg;
+ uint32_t *dsd_seg;
+ void *next_dsd;
+ uint8_t avail_dsds;
+ uint8_t first_iocb = 1;
+ uint32_t dsd_list_len;
+ struct dsd_dma *dsd_ptr;
+ struct ct6_dsd *ctx;
- /* Set chip new ring index. */
- if (IS_QLA82XX(ha)) {
- uint32_t dbval = 0x04 | (ha->portnum << 5);
-
- /* write, read and verify logic */
- dbval = dbval | (req->id << 8) | (req->ring_index << 16);
- if (ql2xdbwr)
- qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
- else {
- WRT_REG_DWORD(
- (unsigned long __iomem *)ha->nxdb_wr_ptr,
- dbval);
- wmb();
- while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
- WRT_REG_DWORD((unsigned long __iomem *)
- ha->nxdb_wr_ptr, dbval);
- wmb();
- }
- }
- } else if (ha->mqenable) {
- /* Set chip new ring index. */
- WRT_REG_DWORD(&reg->isp25mq.req_q_in, req->ring_index);
- RD_REG_DWORD(&ioreg->hccr);
- } else {
- if (IS_FWI2_CAPABLE(ha)) {
- WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
- RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
+ cmd = GET_CMD_SP(sp);
+
+ /* Update entry type to indicate Command Type 3 IOCB */
+ *((uint32_t *)(&cmd_pkt->entry_type)) =
+ __constant_cpu_to_le32(COMMAND_TYPE_6);
+
+ /* No data transfer */
+ if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
+ cmd_pkt->byte_count = __constant_cpu_to_le32(0);
+ return 0;
+ }
+
+ vha = sp->fcport->vha;
+ ha = vha->hw;
+
+ /* Set transfer direction */
+ if (cmd->sc_data_direction == DMA_TO_DEVICE) {
+ cmd_pkt->control_flags =
+ __constant_cpu_to_le16(CF_WRITE_DATA);
+ vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.output_requests++;
+ } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
+ cmd_pkt->control_flags =
+ __constant_cpu_to_le16(CF_READ_DATA);
+ vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.input_requests++;
+ }
+
+ cur_seg = scsi_sglist(cmd);
+ ctx = GET_CMD_CTX_SP(sp);
+
+ while (tot_dsds) {
+ avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ?
+ QLA_DSDS_PER_IOCB : tot_dsds;
+ tot_dsds -= avail_dsds;
+ dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE;
+
+ dsd_ptr = list_first_entry(&ha->gbl_dsd_list,
+ struct dsd_dma, list);
+ next_dsd = dsd_ptr->dsd_addr;
+ list_del(&dsd_ptr->list);
+ ha->gbl_dsd_avail--;
+ list_add_tail(&dsd_ptr->list, &ctx->dsd_list);
+ ctx->dsd_use_cnt++;
+ ha->gbl_dsd_inuse++;
+
+ if (first_iocb) {
+ first_iocb = 0;
+ dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
+ *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+ *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+ cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len);
} else {
- WRT_REG_WORD(ISP_REQ_Q_IN(ha, &reg->isp),
- req->ring_index);
- RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
+ *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+ *cur_dsd++ = cpu_to_le32(dsd_list_len);
+ }
+ cur_dsd = (uint32_t *)next_dsd;
+ while (avail_dsds) {
+ dma_addr_t sle_dma;
+
+ sle_dma = sg_dma_address(cur_seg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
+ cur_seg = sg_next(cur_seg);
+ avail_dsds--;
}
}
+ /* Null termination */
+ *cur_dsd++ = 0;
+ *cur_dsd++ = 0;
+ *cur_dsd++ = 0;
+ cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE;
+ return 0;
}
-/**
- * qla24xx_calc_iocbs() - Determine number of Command Type 3 and
- * Continuation Type 1 IOCBs to allocate.
+/*
+ * qla24xx_calc_dsd_lists() - Determine number of DSD list required
+ * for Command Type 6.
*
* @dsds: number of data segment decriptors needed
*
- * Returns the number of IOCB entries needed to store @dsds.
+ * Returns the number of dsd list needed to store @dsds.
*/
inline uint16_t
-qla24xx_calc_iocbs(uint16_t dsds)
+qla24xx_calc_dsd_lists(uint16_t dsds)
{
- uint16_t iocbs;
+ uint16_t dsd_lists = 0;
- iocbs = 1;
- if (dsds > 1) {
- iocbs += (dsds - 1) / 5;
- if ((dsds - 1) % 5)
- iocbs++;
- }
- DEBUG3(printk(KERN_DEBUG "%s(): Required PKT(s) = %d\n",
- __func__, iocbs));
- return iocbs;
+ dsd_lists = (dsds/QLA_DSDS_PER_IOCB);
+ if (dsds % QLA_DSDS_PER_IOCB)
+ dsd_lists++;
+ return dsd_lists;
}
+
/**
* qla24xx_build_scsi_iocbs() - Build IOCB command utilizing Command Type 7
* IOCB types.
@@ -639,7 +733,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
int i;
struct req_que *req;
- cmd = sp->cmd;
+ cmd = GET_CMD_SP(sp);
/* Update entry type to indicate Command Type 3 IOCB */
*((uint32_t *)(&cmd_pkt->entry_type)) =
@@ -658,13 +752,13 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
cmd_pkt->task_mgmt_flags =
__constant_cpu_to_le16(TMF_WRITE_DATA);
- sp->fcport->vha->hw->qla_stats.output_bytes +=
- scsi_bufflen(sp->cmd);
+ vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.output_requests++;
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cmd_pkt->task_mgmt_flags =
__constant_cpu_to_le16(TMF_READ_DATA);
- sp->fcport->vha->hw->qla_stats.input_bytes +=
- scsi_bufflen(sp->cmd);
+ vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.input_requests++;
}
/* One DSD is available in the Command Type 3 IOCB */
@@ -683,7 +777,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
* Five DSDs are available in the Continuation
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
avail_dsds = 5;
}
@@ -708,19 +802,27 @@ struct fw_dif_context {
*
*/
static inline void
-qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
+qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt,
unsigned int protcnt)
{
- struct sd_dif_tuple *spt;
- unsigned char op = scsi_get_prot_op(cmd);
+ struct scsi_cmnd *cmd = GET_CMD_SP(sp);
switch (scsi_get_prot_type(cmd)) {
- /* For TYPE 0 protection: no checking */
case SCSI_PROT_DIF_TYPE0:
- pkt->ref_tag_mask[0] = 0x00;
- pkt->ref_tag_mask[1] = 0x00;
- pkt->ref_tag_mask[2] = 0x00;
- pkt->ref_tag_mask[3] = 0x00;
+ /*
+ * No check for ql2xenablehba_err_chk, as it would be an
+ * I/O error if hba tag generation is not done.
+ */
+ pkt->ref_tag = cpu_to_le32((uint32_t)
+ (0xffffffff & scsi_get_lba(cmd)));
+
+ if (!qla2x00_hba_err_chk_enabled(sp))
+ break;
+
+ pkt->ref_tag_mask[0] = 0xff;
+ pkt->ref_tag_mask[1] = 0xff;
+ pkt->ref_tag_mask[2] = 0xff;
+ pkt->ref_tag_mask[3] = 0xff;
break;
/*
@@ -728,20 +830,16 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
* match LBA in CDB + N
*/
case SCSI_PROT_DIF_TYPE2:
- if (!ql2xenablehba_err_chk)
- break;
-
- if (scsi_prot_sg_count(cmd)) {
- spt = page_address(sg_page(scsi_prot_sglist(cmd))) +
- scsi_prot_sglist(cmd)[0].offset;
- pkt->app_tag = swab32(spt->app_tag);
- pkt->app_tag_mask[0] = 0xff;
- pkt->app_tag_mask[1] = 0xff;
- }
+ pkt->app_tag = __constant_cpu_to_le16(0);
+ pkt->app_tag_mask[0] = 0x0;
+ pkt->app_tag_mask[1] = 0x0;
pkt->ref_tag = cpu_to_le32((uint32_t)
(0xffffffff & scsi_get_lba(cmd)));
+ if (!qla2x00_hba_err_chk_enabled(sp))
+ break;
+
/* enable ALL bytes of the ref tag */
pkt->ref_tag_mask[0] = 0xff;
pkt->ref_tag_mask[1] = 0xff;
@@ -761,26 +859,15 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
* 16 bit app tag.
*/
case SCSI_PROT_DIF_TYPE1:
- if (!ql2xenablehba_err_chk)
+ pkt->ref_tag = cpu_to_le32((uint32_t)
+ (0xffffffff & scsi_get_lba(cmd)));
+ pkt->app_tag = __constant_cpu_to_le16(0);
+ pkt->app_tag_mask[0] = 0x0;
+ pkt->app_tag_mask[1] = 0x0;
+
+ if (!qla2x00_hba_err_chk_enabled(sp))
break;
- if (protcnt && (op == SCSI_PROT_WRITE_STRIP ||
- op == SCSI_PROT_WRITE_PASS)) {
- spt = page_address(sg_page(scsi_prot_sglist(cmd))) +
- scsi_prot_sglist(cmd)[0].offset;
- DEBUG18(printk(KERN_DEBUG
- "%s(): LBA from user %p, lba = 0x%x\n",
- __func__, spt, (int)spt->ref_tag));
- pkt->ref_tag = swab32(spt->ref_tag);
- pkt->app_tag_mask[0] = 0x0;
- pkt->app_tag_mask[1] = 0x0;
- } else {
- pkt->ref_tag = cpu_to_le32((uint32_t)
- (0xffffffff & scsi_get_lba(cmd)));
- pkt->app_tag = __constant_cpu_to_le16(0);
- pkt->app_tag_mask[0] = 0x0;
- pkt->app_tag_mask[1] = 0x0;
- }
/* enable ALL bytes of the ref tag */
pkt->ref_tag_mask[0] = 0xff;
pkt->ref_tag_mask[1] = 0xff;
@@ -788,31 +875,215 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
pkt->ref_tag_mask[3] = 0xff;
break;
}
-
- DEBUG18(printk(KERN_DEBUG
- "%s(): Setting protection Tags: (BIG) ref tag = 0x%x,"
- " app tag = 0x%x, prot SG count %d , cmd lba 0x%x,"
- " prot_type=%u\n", __func__, pkt->ref_tag, pkt->app_tag, protcnt,
- (int)scsi_get_lba(cmd), scsi_get_prot_type(cmd)));
}
+struct qla2_sgx {
+ dma_addr_t dma_addr; /* OUT */
+ uint32_t dma_len; /* OUT */
+
+ uint32_t tot_bytes; /* IN */
+ struct scatterlist *cur_sg; /* IN */
+
+ /* for book keeping, bzero on initial invocation */
+ uint32_t bytes_consumed;
+ uint32_t num_bytes;
+ uint32_t tot_partial;
+
+ /* for debugging */
+ uint32_t num_sg;
+ srb_t *sp;
+};
static int
+qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx,
+ uint32_t *partial)
+{
+ struct scatterlist *sg;
+ uint32_t cumulative_partial, sg_len;
+ dma_addr_t sg_dma_addr;
+
+ if (sgx->num_bytes == sgx->tot_bytes)
+ return 0;
+
+ sg = sgx->cur_sg;
+ cumulative_partial = sgx->tot_partial;
+
+ sg_dma_addr = sg_dma_address(sg);
+ sg_len = sg_dma_len(sg);
+
+ sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed;
+
+ if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) {
+ sgx->dma_len = (blk_sz - cumulative_partial);
+ sgx->tot_partial = 0;
+ sgx->num_bytes += blk_sz;
+ *partial = 0;
+ } else {
+ sgx->dma_len = sg_len - sgx->bytes_consumed;
+ sgx->tot_partial += sgx->dma_len;
+ *partial = 1;
+ }
+
+ sgx->bytes_consumed += sgx->dma_len;
+
+ if (sg_len == sgx->bytes_consumed) {
+ sg = sg_next(sg);
+ sgx->num_sg++;
+ sgx->cur_sg = sg;
+ sgx->bytes_consumed = 0;
+ }
+
+ return 1;
+}
+
+int
+qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp,
+ uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc)
+{
+ void *next_dsd;
+ uint8_t avail_dsds = 0;
+ uint32_t dsd_list_len;
+ struct dsd_dma *dsd_ptr;
+ struct scatterlist *sg_prot;
+ uint32_t *cur_dsd = dsd;
+ uint16_t used_dsds = tot_dsds;
+
+ uint32_t prot_int; /* protection interval */
+ uint32_t partial;
+ struct qla2_sgx sgx;
+ dma_addr_t sle_dma;
+ uint32_t sle_dma_len, tot_prot_dma_len = 0;
+ struct scsi_cmnd *cmd;
+ struct scsi_qla_host *vha;
+
+ memset(&sgx, 0, sizeof(struct qla2_sgx));
+ if (sp) {
+ vha = sp->fcport->vha;
+ cmd = GET_CMD_SP(sp);
+ prot_int = cmd->device->sector_size;
+
+ sgx.tot_bytes = scsi_bufflen(cmd);
+ sgx.cur_sg = scsi_sglist(cmd);
+ sgx.sp = sp;
+
+ sg_prot = scsi_prot_sglist(cmd);
+ } else if (tc) {
+ vha = tc->vha;
+ prot_int = tc->blk_sz;
+ sgx.tot_bytes = tc->bufflen;
+ sgx.cur_sg = tc->sg;
+ sg_prot = tc->prot_sg;
+ } else {
+ BUG();
+ return 1;
+ }
+
+ while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) {
+
+ sle_dma = sgx.dma_addr;
+ sle_dma_len = sgx.dma_len;
+alloc_and_fill:
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
+ QLA_DSDS_PER_IOCB : used_dsds;
+ dsd_list_len = (avail_dsds + 1) * 12;
+ used_dsds -= avail_dsds;
+
+ /* allocate tracking DS */
+ dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
+ if (!dsd_ptr)
+ return 1;
+
+ /* allocate new list */
+ dsd_ptr->dsd_addr = next_dsd =
+ dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
+ &dsd_ptr->dsd_list_dma);
+
+ if (!next_dsd) {
+ /*
+ * Need to cleanup only this dsd_ptr, rest
+ * will be done by sp_free_dma()
+ */
+ kfree(dsd_ptr);
+ return 1;
+ }
+
+ if (sp) {
+ list_add_tail(&dsd_ptr->list,
+ &((struct crc_context *)
+ sp->u.scmd.ctx)->dsd_list);
+
+ sp->flags |= SRB_CRC_CTX_DSD_VALID;
+ } else {
+ list_add_tail(&dsd_ptr->list,
+ &(tc->ctx->dsd_list));
+ tc->ctx_dsd_alloced = 1;
+ }
+
+
+ /* add new list to cmd iocb or last list */
+ *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+ *cur_dsd++ = dsd_list_len;
+ cur_dsd = (uint32_t *)next_dsd;
+ }
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sle_dma_len);
+ avail_dsds--;
+
+ if (partial == 0) {
+ /* Got a full protection interval */
+ sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len;
+ sle_dma_len = 8;
+
+ tot_prot_dma_len += sle_dma_len;
+ if (tot_prot_dma_len == sg_dma_len(sg_prot)) {
+ tot_prot_dma_len = 0;
+ sg_prot = sg_next(sg_prot);
+ }
+
+ partial = 1; /* So as to not re-enter this block */
+ goto alloc_and_fill;
+ }
+ }
+ /* Null termination */
+ *cur_dsd++ = 0;
+ *cur_dsd++ = 0;
+ *cur_dsd++ = 0;
+ return 0;
+}
+
+int
qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
- uint16_t tot_dsds)
+ uint16_t tot_dsds, struct qla_tgt_cmd *tc)
{
void *next_dsd;
uint8_t avail_dsds = 0;
uint32_t dsd_list_len;
struct dsd_dma *dsd_ptr;
- struct scatterlist *sg;
+ struct scatterlist *sg, *sgl;
uint32_t *cur_dsd = dsd;
int i;
uint16_t used_dsds = tot_dsds;
+ struct scsi_cmnd *cmd;
+ struct scsi_qla_host *vha;
+
+ if (sp) {
+ cmd = GET_CMD_SP(sp);
+ sgl = scsi_sglist(cmd);
+ vha = sp->fcport->vha;
+ } else if (tc) {
+ sgl = tc->sg;
+ vha = tc->vha;
+ } else {
+ BUG();
+ return 1;
+ }
- uint8_t *cp;
- scsi_for_each_sg(sp->cmd, sg, tot_dsds, i) {
+ for_each_sg(sgl, sg, tot_dsds, i) {
dma_addr_t sle_dma;
/* Allocate additional continuation packets? */
@@ -841,10 +1112,17 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
return 1;
}
- list_add_tail(&dsd_ptr->list,
- &((struct crc_context *)sp->ctx)->dsd_list);
+ if (sp) {
+ list_add_tail(&dsd_ptr->list,
+ &((struct crc_context *)
+ sp->u.scmd.ctx)->dsd_list);
- sp->flags |= SRB_CRC_CTX_DSD_VALID;
+ sp->flags |= SRB_CRC_CTX_DSD_VALID;
+ } else {
+ list_add_tail(&dsd_ptr->list,
+ &(tc->ctx->dsd_list));
+ tc->ctx_dsd_alloced = 1;
+ }
/* add new list to cmd iocb or last list */
*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
@@ -853,19 +1131,12 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
cur_dsd = (uint32_t *)next_dsd;
}
sle_dma = sg_dma_address(sg);
- DEBUG18(printk("%s(): %p, sg entry %d - addr =0x%x 0x%x,"
- " len =%d\n", __func__ , cur_dsd, i, LSD(sle_dma),
- MSD(sle_dma), sg_dma_len(sg)));
+
*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
avail_dsds--;
- if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
- cp = page_address(sg_page(sg)) + sg->offset;
- DEBUG18(printk("%s(): User Data buffer= %p:\n",
- __func__ , cp));
- }
}
/* Null termination */
*cur_dsd++ = 0;
@@ -874,26 +1145,37 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
return 0;
}
-static int
+int
qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
- uint32_t *dsd,
- uint16_t tot_dsds)
+ uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc)
{
void *next_dsd;
uint8_t avail_dsds = 0;
uint32_t dsd_list_len;
struct dsd_dma *dsd_ptr;
- struct scatterlist *sg;
+ struct scatterlist *sg, *sgl;
int i;
struct scsi_cmnd *cmd;
uint32_t *cur_dsd = dsd;
- uint16_t used_dsds = tot_dsds;
-
- uint8_t *cp;
+ uint16_t used_dsds = tot_dsds;
+ struct scsi_qla_host *vha;
+
+ if (sp) {
+ cmd = GET_CMD_SP(sp);
+ sgl = scsi_prot_sglist(cmd);
+ vha = sp->fcport->vha;
+ } else if (tc) {
+ vha = tc->vha;
+ sgl = tc->prot_sg;
+ } else {
+ BUG();
+ return 1;
+ }
+ ql_dbg(ql_dbg_tgt, vha, 0xe021,
+ "%s: enter\n", __func__);
- cmd = sp->cmd;
- scsi_for_each_prot_sg(cmd, sg, tot_dsds, i) {
+ for_each_sg(sgl, sg, tot_dsds, i) {
dma_addr_t sle_dma;
/* Allocate additional continuation packets? */
@@ -922,10 +1204,17 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
return 1;
}
- list_add_tail(&dsd_ptr->list,
- &((struct crc_context *)sp->ctx)->dsd_list);
+ if (sp) {
+ list_add_tail(&dsd_ptr->list,
+ &((struct crc_context *)
+ sp->u.scmd.ctx)->dsd_list);
- sp->flags |= SRB_CRC_CTX_DSD_VALID;
+ sp->flags |= SRB_CRC_CTX_DSD_VALID;
+ } else {
+ list_add_tail(&dsd_ptr->list,
+ &(tc->ctx->dsd_list));
+ tc->ctx_dsd_alloced = 1;
+ }
/* add new list to cmd iocb or last list */
*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
@@ -934,21 +1223,11 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
cur_dsd = (uint32_t *)next_dsd;
}
sle_dma = sg_dma_address(sg);
- if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
- DEBUG18(printk(KERN_DEBUG
- "%s(): %p, sg entry %d - addr =0x%x"
- "0x%x, len =%d\n", __func__ , cur_dsd, i,
- LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg)));
- }
+
*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
- if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
- cp = page_address(sg_page(sg)) + sg->offset;
- DEBUG18(printk("%s(): Protection Data buffer = %p:\n",
- __func__ , cp));
- }
avail_dsds--;
}
/* Null termination */
@@ -973,9 +1252,8 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
uint32_t *cur_dsd, *fcp_dl;
scsi_qla_host_t *vha;
struct scsi_cmnd *cmd;
- struct scatterlist *cur_seg;
int sgc;
- uint32_t total_bytes;
+ uint32_t total_bytes = 0;
uint32_t data_bytes;
uint32_t dif_bytes;
uint8_t bundling = 1;
@@ -989,30 +1267,24 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
dma_addr_t crc_ctx_dma;
char tag[2];
- cmd = sp->cmd;
+ cmd = GET_CMD_SP(sp);
sgc = 0;
/* Update entry type to indicate Command Type CRC_2 IOCB */
*((uint32_t *)(&cmd_pkt->entry_type)) =
__constant_cpu_to_le32(COMMAND_TYPE_CRC_2);
+ vha = sp->fcport->vha;
+ ha = vha->hw;
+
/* No data transfer */
data_bytes = scsi_bufflen(cmd);
if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
- DEBUG18(printk(KERN_INFO "%s: Zero data bytes or DMA-NONE %d\n",
- __func__, data_bytes));
cmd_pkt->byte_count = __constant_cpu_to_le32(0);
return QLA_SUCCESS;
}
- vha = sp->fcport->vha;
- ha = vha->hw;
-
- DEBUG18(printk(KERN_DEBUG
- "%s(%ld): Executing cmd sp %p, prot_op=%u.\n", __func__,
- vha->host_no, sp, scsi_get_prot_op(sp->cmd)));
-
- cmd_pkt->vp_index = sp->fcport->vp_idx;
+ cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
/* Set transfer direction */
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
@@ -1023,13 +1295,15 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
__constant_cpu_to_le16(CF_READ_DATA);
}
- tot_prot_dsds = scsi_prot_sg_count(cmd);
- if (!tot_prot_dsds)
+ if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
+ (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP) ||
+ (scsi_get_prot_op(cmd) == SCSI_PROT_READ_STRIP) ||
+ (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_INSERT))
bundling = 0;
/* Allocate CRC context from global pool */
- crc_ctx_pkt = sp->ctx = dma_pool_alloc(ha->dl_dma_pool,
- GFP_ATOMIC, &crc_ctx_dma);
+ crc_ctx_pkt = sp->u.scmd.ctx =
+ dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, &crc_ctx_dma);
if (!crc_ctx_pkt)
goto crc_queuing_error;
@@ -1047,7 +1321,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list);
- qla24xx_set_t10dif_tags(cmd, (struct fw_dif_context *)
+ qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *)
&crc_ctx_pkt->ref_tag, tot_prot_dsds);
cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma));
@@ -1056,8 +1330,6 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
/* Determine SCSI command length -- align to 4 byte boundary */
if (cmd->cmd_len > 16) {
- DEBUG18(printk(KERN_INFO "%s(): **** SCSI CMD > 16\n",
- __func__));
additional_fcpcdb_len = cmd->cmd_len - 16;
if ((cmd->cmd_len % 4) != 0) {
/* SCSI cmd > 16 bytes must be multiple of 4 */
@@ -1077,8 +1349,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
fcp_cmnd->additional_cdb_len |= 2;
- int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun);
- host_to_fcp_swap((uint8_t *)&fcp_cmnd->lun, sizeof(fcp_cmnd->lun));
+ int_to_scsilun(cmd->device->lun, &fcp_cmnd->lun);
memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len);
cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32(
@@ -1099,31 +1370,49 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
fcp_cmnd->task_attribute = TSK_ORDERED;
break;
default:
- fcp_cmnd->task_attribute = 0;
+ fcp_cmnd->task_attribute = TSK_SIMPLE;
break;
}
} else {
- fcp_cmnd->task_attribute = 0;
+ fcp_cmnd->task_attribute = TSK_SIMPLE;
}
cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
- DEBUG18(printk(KERN_INFO "%s(%ld): Total SG(s) Entries %d, Data"
- "entries %d, data bytes %d, Protection entries %d\n",
- __func__, vha->host_no, tot_dsds, (tot_dsds-tot_prot_dsds),
- data_bytes, tot_prot_dsds));
-
/* Compute dif len and adjust data len to incude protection */
- total_bytes = data_bytes;
dif_bytes = 0;
blk_size = cmd->device->sector_size;
- if (scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
- dif_bytes = (data_bytes / blk_size) * 8;
- total_bytes += dif_bytes;
+ dif_bytes = (data_bytes / blk_size) * 8;
+
+ switch (scsi_get_prot_op(GET_CMD_SP(sp))) {
+ case SCSI_PROT_READ_INSERT:
+ case SCSI_PROT_WRITE_STRIP:
+ total_bytes = data_bytes;
+ data_bytes += dif_bytes;
+ break;
+
+ case SCSI_PROT_READ_STRIP:
+ case SCSI_PROT_WRITE_INSERT:
+ case SCSI_PROT_READ_PASS:
+ case SCSI_PROT_WRITE_PASS:
+ total_bytes = data_bytes + dif_bytes;
+ break;
+ default:
+ BUG();
}
- if (!ql2xenablehba_err_chk)
+ if (!qla2x00_hba_err_chk_enabled(sp))
fw_prot_opts |= 0x10; /* Disable Guard tag checking */
+ /* HBA error checking enabled */
+ else if (IS_PI_UNINIT_CAPABLE(ha)) {
+ if ((scsi_get_prot_type(GET_CMD_SP(sp)) == SCSI_PROT_DIF_TYPE1)
+ || (scsi_get_prot_type(GET_CMD_SP(sp)) ==
+ SCSI_PROT_DIF_TYPE2))
+ fw_prot_opts |= BIT_10;
+ else if (scsi_get_prot_type(GET_CMD_SP(sp)) ==
+ SCSI_PROT_DIF_TYPE3)
+ fw_prot_opts |= BIT_11;
+ }
if (!bundling) {
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address;
@@ -1150,14 +1439,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
additional_fcpcdb_len);
*fcp_dl = htonl(total_bytes);
- DEBUG18(printk(KERN_INFO "%s(%ld): dif bytes = 0x%x (%d), total bytes"
- " = 0x%x (%d), dat block size =0x%x (%d)\n", __func__,
- vha->host_no, dif_bytes, dif_bytes, total_bytes, total_bytes,
- crc_ctx_pkt->blk_size, crc_ctx_pkt->blk_size));
-
if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
- DEBUG18(printk(KERN_INFO "%s: Zero data bytes or DMA-NONE %d\n",
- __func__, data_bytes));
cmd_pkt->byte_count = __constant_cpu_to_le32(0);
return QLA_SUCCESS;
}
@@ -1165,25 +1447,27 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
cmd_pkt->control_flags |=
__constant_cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE);
- if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
- (tot_dsds - tot_prot_dsds)))
+
+ if (!bundling && tot_prot_dsds) {
+ if (qla24xx_walk_and_build_sglist_no_difb(ha, sp,
+ cur_dsd, tot_dsds, NULL))
+ goto crc_queuing_error;
+ } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
+ (tot_dsds - tot_prot_dsds), NULL))
goto crc_queuing_error;
if (bundling && tot_prot_dsds) {
/* Walks dif segments */
- cur_seg = scsi_prot_sglist(cmd);
cmd_pkt->control_flags |=
__constant_cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE);
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;
if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd,
- tot_prot_dsds))
+ tot_prot_dsds, NULL))
goto crc_queuing_error;
}
return QLA_SUCCESS;
crc_queuing_error:
- DEBUG18(qla_printk(KERN_INFO, ha,
- "CMD sent FAILED crc_q error:sp = %p\n", sp));
/* Cleanup will be performed by the caller */
return QLA_FUNCTION_FAILED;
@@ -1209,7 +1493,7 @@ qla24xx_start_scsi(srb_t *sp)
uint16_t tot_dsds;
struct req_que *req = NULL;
struct rsp_que *rsp = NULL;
- struct scsi_cmnd *cmd = sp->cmd;
+ struct scsi_cmnd *cmd = GET_CMD_SP(sp);
struct scsi_qla_host *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
char tag[2];
@@ -1225,8 +1509,8 @@ qla24xx_start_scsi(srb_t *sp)
/* Send marker if required */
if (vha->marker_needed != 0) {
- if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL)
- != QLA_SUCCESS)
+ if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
+ QLA_SUCCESS)
return QLA_FUNCTION_FAILED;
vha->marker_needed = 0;
}
@@ -1236,14 +1520,14 @@ qla24xx_start_scsi(srb_t *sp)
/* Check for room in outstanding command list. */
handle = req->current_outstanding_cmd;
- for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
handle++;
- if (handle == MAX_OUTSTANDING_COMMANDS)
+ if (handle == req->num_outstanding_cmds)
handle = 1;
if (!req->outstanding_cmds[handle])
break;
}
- if (index == MAX_OUTSTANDING_COMMANDS)
+ if (index == req->num_outstanding_cmds)
goto queuing_error;
/* Map the sg table so we have an accurate count of sg entries needed */
@@ -1256,25 +1540,24 @@ qla24xx_start_scsi(srb_t *sp)
nseg = 0;
tot_dsds = nseg;
-
- req_cnt = qla24xx_calc_iocbs(tot_dsds);
+ req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
if (req->cnt < (req_cnt + 2)) {
- cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
-
+ cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
+ RD_REG_DWORD_RELAXED(req->req_q_out);
if (req->ring_index < cnt)
req->cnt = cnt - req->ring_index;
else
req->cnt = req->length -
(req->ring_index - cnt);
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
}
- if (req->cnt < (req_cnt + 2))
- goto queuing_error;
/* Build command packet. */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
sp->handle = handle;
- sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
+ cmd->host_scribble = (unsigned char *)(unsigned long)handle;
req->cnt -= req_cnt;
cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
@@ -1291,9 +1574,9 @@ qla24xx_start_scsi(srb_t *sp)
cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
- cmd_pkt->vp_index = sp->fcport->vp_idx;
+ cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
- int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
+ int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
/* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
@@ -1305,7 +1588,12 @@ qla24xx_start_scsi(srb_t *sp)
case ORDERED_QUEUE_TAG:
cmd_pkt->task = TSK_ORDERED;
break;
+ default:
+ cmd_pkt->task = TSK_SIMPLE;
+ break;
}
+ } else {
+ cmd_pkt->task = TSK_SIMPLE;
}
/* Load SCSI command packet. */
@@ -1322,7 +1610,6 @@ qla24xx_start_scsi(srb_t *sp)
/* Specify response queue number where completion should happen */
cmd_pkt->entry_status = (uint8_t) rsp->id;
wmb();
-
/* Adjust ring index. */
req->ring_index++;
if (req->ring_index == req->length) {
@@ -1354,7 +1641,6 @@ queuing_error:
return QLA_FUNCTION_FAILED;
}
-
/**
* qla24xx_dif_start_scsi() - Send a SCSI command to the ISP
* @sp: command to send to the ISP
@@ -1376,7 +1662,7 @@ qla24xx_dif_start_scsi(srb_t *sp)
uint16_t fw_prot_opts = 0;
struct req_que *req = NULL;
struct rsp_que *rsp = NULL;
- struct scsi_cmnd *cmd = sp->cmd;
+ struct scsi_cmnd *cmd = GET_CMD_SP(sp);
struct scsi_qla_host *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
struct cmd_type_crc_2 *cmd_pkt;
@@ -1411,15 +1697,15 @@ qla24xx_dif_start_scsi(srb_t *sp)
/* Check for room in outstanding command list. */
handle = req->current_outstanding_cmd;
- for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
handle++;
- if (handle == MAX_OUTSTANDING_COMMANDS)
+ if (handle == req->num_outstanding_cmds)
handle = 1;
if (!req->outstanding_cmds[handle])
break;
}
- if (index == MAX_OUTSTANDING_COMMANDS)
+ if (index == req->num_outstanding_cmds)
goto queuing_error;
/* Compute number of required data segments */
@@ -1431,6 +1717,22 @@ qla24xx_dif_start_scsi(srb_t *sp)
goto queuing_error;
else
sp->flags |= SRB_DMA_VALID;
+
+ if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
+ (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
+ struct qla2_sgx sgx;
+ uint32_t partial;
+
+ memset(&sgx, 0, sizeof(struct qla2_sgx));
+ sgx.tot_bytes = scsi_bufflen(cmd);
+ sgx.cur_sg = scsi_sglist(cmd);
+ sgx.sp = sp;
+
+ nseg = 0;
+ while (qla24xx_get_one_block_sg(
+ cmd->device->sector_size, &sgx, &partial))
+ nseg++;
+ }
} else
nseg = 0;
@@ -1445,6 +1747,11 @@ qla24xx_dif_start_scsi(srb_t *sp)
goto queuing_error;
else
sp->flags |= SRB_CRC_PROT_DMA_VALID;
+
+ if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
+ (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
+ nseg = scsi_bufflen(cmd) / cmd->device->sector_size;
+ }
} else {
nseg = 0;
}
@@ -1454,24 +1761,24 @@ qla24xx_dif_start_scsi(srb_t *sp)
tot_prot_dsds = nseg;
tot_dsds += nseg;
if (req->cnt < (req_cnt + 2)) {
- cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
-
+ cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
+ RD_REG_DWORD_RELAXED(req->req_q_out);
if (req->ring_index < cnt)
req->cnt = cnt - req->ring_index;
else
req->cnt = req->length -
(req->ring_index - cnt);
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
}
- if (req->cnt < (req_cnt + 2))
- goto queuing_error;
-
status |= QDSS_GOT_Q_SPACE;
/* Build header part of command packet (excluding the OPCODE). */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
- sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
+ sp->handle = handle;
+ cmd->host_scribble = (unsigned char *)(unsigned long)handle;
req->cnt -= req_cnt;
/* Fill-in common area */
@@ -1487,7 +1794,7 @@ qla24xx_dif_start_scsi(srb_t *sp)
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
- int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
+ int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
/* Total Data and protection segment(s) */
@@ -1534,16 +1841,13 @@ queuing_error:
/* Cleanup will be performed by the caller (queuecommand) */
spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
- DEBUG18(qla_printk(KERN_INFO, ha,
- "CMD sent FAILED SCSI prot_op:%02x\n", scsi_get_prot_op(cmd)));
return QLA_FUNCTION_FAILED;
}
static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp)
{
- struct scsi_cmnd *cmd = sp->cmd;
+ struct scsi_cmnd *cmd = GET_CMD_SP(sp);
struct qla_hw_data *ha = sp->fcport->vha->hw;
int affinity = cmd->request->cpu;
@@ -1574,30 +1878,39 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp)
/* Check for room in outstanding command list. */
handle = req->current_outstanding_cmd;
- for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
handle++;
- if (handle == MAX_OUTSTANDING_COMMANDS)
+ if (handle == req->num_outstanding_cmds)
handle = 1;
if (!req->outstanding_cmds[handle])
break;
}
- if (index == MAX_OUTSTANDING_COMMANDS)
+ if (index == req->num_outstanding_cmds) {
+ ql_log(ql_log_warn, vha, 0x700b,
+ "No room on outstanding cmd array.\n");
goto queuing_error;
+ }
/* Prep command array. */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
sp->handle = handle;
+ /* Adjust entry-counts as needed. */
+ if (sp->type != SRB_SCSI_CMD)
+ req_cnt = sp->iocbs;
+
skip_cmd_array:
/* Check for room on request queue. */
if (req->cnt < req_cnt) {
- if (ha->mqenable)
+ if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
cnt = RD_REG_DWORD(&reg->isp25mq.req_q_out);
- else if (IS_QLA82XX(ha))
+ else if (IS_P3P_TYPE(ha))
cnt = RD_REG_DWORD(&reg->isp82.req_q_out);
else if (IS_FWI2_CAPABLE(ha))
cnt = RD_REG_DWORD(&reg->isp24.req_q_out);
+ else if (IS_QLAFX00(ha))
+ cnt = RD_REG_DWORD(&reg->ispfx00.req_q_out);
else
cnt = qla2x00_debounce_register(
ISP_REQ_Q_OUT(ha, &reg->isp));
@@ -1615,54 +1928,22 @@ skip_cmd_array:
req->cnt -= req_cnt;
pkt = req->ring_ptr;
memset(pkt, 0, REQUEST_ENTRY_SIZE);
- pkt->entry_count = req_cnt;
- pkt->handle = handle;
+ if (IS_QLAFX00(ha)) {
+ WRT_REG_BYTE((void __iomem *)&pkt->entry_count, req_cnt);
+ WRT_REG_WORD((void __iomem *)&pkt->handle, handle);
+ } else {
+ pkt->entry_count = req_cnt;
+ pkt->handle = handle;
+ }
queuing_error:
return pkt;
}
static void
-qla2x00_start_iocbs(srb_t *sp)
-{
- struct qla_hw_data *ha = sp->fcport->vha->hw;
- struct req_que *req = ha->req_q_map[0];
- device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
- struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
-
- if (IS_QLA82XX(ha)) {
- qla82xx_start_iocbs(sp);
- } else {
- /* Adjust ring index. */
- req->ring_index++;
- if (req->ring_index == req->length) {
- req->ring_index = 0;
- req->ring_ptr = req->ring;
- } else
- req->ring_ptr++;
-
- /* Set chip new ring index. */
- if (ha->mqenable) {
- WRT_REG_DWORD(&reg->isp25mq.req_q_in, req->ring_index);
- RD_REG_DWORD(&ioreg->hccr);
- } else if (IS_QLA82XX(ha)) {
- qla82xx_start_iocbs(sp);
- } else if (IS_FWI2_CAPABLE(ha)) {
- WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
- RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
- } else {
- WRT_REG_WORD(ISP_REQ_Q_IN(ha, &reg->isp),
- req->ring_index);
- RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
- }
- }
-}
-
-static void
qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
{
- struct srb_ctx *ctx = sp->ctx;
- struct srb_iocb *lio = ctx->u.iocb_cmd;
+ struct srb_iocb *lio = &sp->u.iocb_cmd;
logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI);
@@ -1674,15 +1955,14 @@ qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
logio->port_id[0] = sp->fcport->d_id.b.al_pa;
logio->port_id[1] = sp->fcport->d_id.b.area;
logio->port_id[2] = sp->fcport->d_id.b.domain;
- logio->vp_index = sp->fcport->vp_idx;
+ logio->vp_index = sp->fcport->vha->vp_idx;
}
static void
qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx)
{
struct qla_hw_data *ha = sp->fcport->vha->hw;
- struct srb_ctx *ctx = sp->ctx;
- struct srb_iocb *lio = ctx->u.iocb_cmd;
+ struct srb_iocb *lio = &sp->u.iocb_cmd;
uint16_t opts;
mbx->entry_type = MBX_IOCB_TYPE;
@@ -1699,7 +1979,7 @@ qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx)
mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
sp->fcport->d_id.b.al_pa);
- mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
+ mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx);
}
static void
@@ -1712,7 +1992,7 @@ qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio)
logio->port_id[0] = sp->fcport->d_id.b.al_pa;
logio->port_id[1] = sp->fcport->d_id.b.area;
logio->port_id[2] = sp->fcport->d_id.b.domain;
- logio->vp_index = sp->fcport->vp_idx;
+ logio->vp_index = sp->fcport->vha->vp_idx;
}
static void
@@ -1729,7 +2009,7 @@ qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx)
mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
sp->fcport->d_id.b.al_pa);
- mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
+ mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx);
/* Implicit: mbx->mbx10 = 0. */
}
@@ -1739,7 +2019,7 @@ qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio)
logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC);
logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
- logio->vp_index = sp->fcport->vp_idx;
+ logio->vp_index = sp->fcport->vha->vp_idx;
}
static void
@@ -1760,7 +2040,7 @@ qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx)
mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma));
mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma)));
mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma)));
- mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
+ mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx);
}
static void
@@ -1771,8 +2051,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk)
struct fc_port *fcport = sp->fcport;
scsi_qla_host_t *vha = fcport->vha;
struct qla_hw_data *ha = vha->hw;
- struct srb_ctx *ctx = sp->ctx;
- struct srb_iocb *iocb = ctx->u.iocb_cmd;
+ struct srb_iocb *iocb = &sp->u.iocb_cmd;
struct req_que *req = vha->req;
flags = iocb->u.tmf.flags;
@@ -1787,7 +2066,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk)
tsk->port_id[0] = fcport->d_id.b.al_pa;
tsk->port_id[1] = fcport->d_id.b.area;
tsk->port_id[2] = fcport->d_id.b.domain;
- tsk->vp_index = fcport->vp_idx;
+ tsk->vp_index = fcport->vha->vp_idx;
if (flags == TCF_LUN_RESET) {
int_to_scsilun(lun, &tsk->lun);
@@ -1799,7 +2078,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk)
static void
qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
{
- struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
+ struct fc_bsg_job *bsg_job = sp->u.bsg_job;
els_iocb->entry_type = ELS_IOCB_TYPE;
els_iocb->entry_count = 1;
@@ -1808,12 +2087,12 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
els_iocb->handle = sp->handle;
els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
els_iocb->tx_dsd_count = __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt);
- els_iocb->vp_index = sp->fcport->vp_idx;
+ els_iocb->vp_index = sp->fcport->vha->vp_idx;
els_iocb->sof_type = EST_SOFI3;
els_iocb->rx_dsd_count = __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt);
els_iocb->opcode =
- (((struct srb_ctx *)sp->ctx)->type == SRB_ELS_CMD_RPT) ?
+ sp->type == SRB_ELS_CMD_RPT ?
bsg_job->request->rqst_data.r_els.els_code :
bsg_job->request->rqst_data.h_els.command_code;
els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
@@ -1838,6 +2117,8 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
(bsg_job->reply_payload.sg_list)));
els_iocb->rx_len = cpu_to_le32(sg_dma_len
(bsg_job->reply_payload.sg_list));
+
+ sp->fcport->vha->qla_stats.control_requests++;
}
static void
@@ -1850,7 +2131,7 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
uint16_t tot_dsds;
scsi_qla_host_t *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
- struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
+ struct fc_bsg_job *bsg_job = sp->u.bsg_job;
int loop_iterartion = 0;
int cont_iocb_prsnt = 0;
int entry_count = 1;
@@ -1899,7 +2180,8 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
* Five DSDs are available in the Cont.
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+ vha->hw->req_q_map[0]);
cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
avail_dsds = 5;
cont_iocb_prsnt = 1;
@@ -1914,6 +2196,8 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
avail_dsds--;
}
ct_iocb->entry_count = entry_count;
+
+ sp->fcport->vha->qla_stats.control_requests++;
}
static void
@@ -1925,7 +2209,8 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
int index;
uint16_t tot_dsds;
scsi_qla_host_t *vha = sp->fcport->vha;
- struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
+ struct qla_hw_data *ha = vha->hw;
+ struct fc_bsg_job *bsg_job = sp->u.bsg_job;
int loop_iterartion = 0;
int cont_iocb_prsnt = 0;
int entry_count = 1;
@@ -1936,7 +2221,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
ct_iocb->handle = sp->handle;
ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
- ct_iocb->vp_index = sp->fcport->vp_idx;
+ ct_iocb->vp_index = sp->fcport->vha->vp_idx;
ct_iocb->comp_status = __constant_cpu_to_le16(0);
ct_iocb->cmd_dsd_count =
@@ -1970,7 +2255,8 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
* Five DSDs are available in the Cont.
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+ ha->req_q_map[0]);
cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
avail_dsds = 5;
cont_iocb_prsnt = 1;
@@ -1987,23 +2273,424 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
ct_iocb->entry_count = entry_count;
}
+/*
+ * qla82xx_start_scsi() - Send a SCSI command to the ISP
+ * @sp: command to send to the ISP
+ *
+ * Returns non-zero if a failure occurred, else zero.
+ */
+int
+qla82xx_start_scsi(srb_t *sp)
+{
+ int ret, nseg;
+ unsigned long flags;
+ struct scsi_cmnd *cmd;
+ uint32_t *clr_ptr;
+ uint32_t index;
+ uint32_t handle;
+ uint16_t cnt;
+ uint16_t req_cnt;
+ uint16_t tot_dsds;
+ struct device_reg_82xx __iomem *reg;
+ uint32_t dbval;
+ uint32_t *fcp_dl;
+ uint8_t additional_cdb_len;
+ struct ct6_dsd *ctx;
+ struct scsi_qla_host *vha = sp->fcport->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = NULL;
+ struct rsp_que *rsp = NULL;
+ char tag[2];
+
+ /* Setup device pointers. */
+ ret = 0;
+ reg = &ha->iobase->isp82;
+ cmd = GET_CMD_SP(sp);
+ req = vha->req;
+ rsp = ha->rsp_q_map[0];
+
+ /* So we know we haven't pci_map'ed anything yet */
+ tot_dsds = 0;
+
+ dbval = 0x04 | (ha->portnum << 5);
+
+ /* Send marker if required */
+ if (vha->marker_needed != 0) {
+ if (qla2x00_marker(vha, req,
+ rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x300c,
+ "qla2x00_marker failed for cmd=%p.\n", cmd);
+ return QLA_FUNCTION_FAILED;
+ }
+ vha->marker_needed = 0;
+ }
+
+ /* Acquire ring specific lock */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Check for room in outstanding command list. */
+ handle = req->current_outstanding_cmd;
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
+ handle++;
+ if (handle == req->num_outstanding_cmds)
+ handle = 1;
+ if (!req->outstanding_cmds[handle])
+ break;
+ }
+ if (index == req->num_outstanding_cmds)
+ goto queuing_error;
+
+ /* Map the sg table so we have an accurate count of sg entries needed */
+ if (scsi_sg_count(cmd)) {
+ nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+ scsi_sg_count(cmd), cmd->sc_data_direction);
+ if (unlikely(!nseg))
+ goto queuing_error;
+ } else
+ nseg = 0;
+
+ tot_dsds = nseg;
+
+ if (tot_dsds > ql2xshiftctondsd) {
+ struct cmd_type_6 *cmd_pkt;
+ uint16_t more_dsd_lists = 0;
+ struct dsd_dma *dsd_ptr;
+ uint16_t i;
+
+ more_dsd_lists = qla24xx_calc_dsd_lists(tot_dsds);
+ if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) {
+ ql_dbg(ql_dbg_io, vha, 0x300d,
+ "Num of DSD list %d is than %d for cmd=%p.\n",
+ more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN,
+ cmd);
+ goto queuing_error;
+ }
+
+ if (more_dsd_lists <= ha->gbl_dsd_avail)
+ goto sufficient_dsds;
+ else
+ more_dsd_lists -= ha->gbl_dsd_avail;
+
+ for (i = 0; i < more_dsd_lists; i++) {
+ dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
+ if (!dsd_ptr) {
+ ql_log(ql_log_fatal, vha, 0x300e,
+ "Failed to allocate memory for dsd_dma "
+ "for cmd=%p.\n", cmd);
+ goto queuing_error;
+ }
+
+ dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool,
+ GFP_ATOMIC, &dsd_ptr->dsd_list_dma);
+ if (!dsd_ptr->dsd_addr) {
+ kfree(dsd_ptr);
+ ql_log(ql_log_fatal, vha, 0x300f,
+ "Failed to allocate memory for dsd_addr "
+ "for cmd=%p.\n", cmd);
+ goto queuing_error;
+ }
+ list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list);
+ ha->gbl_dsd_avail++;
+ }
+
+sufficient_dsds:
+ req_cnt = 1;
+
+ if (req->cnt < (req_cnt + 2)) {
+ cnt = (uint16_t)RD_REG_DWORD_RELAXED(
+ &reg->req_q_out[0]);
+ if (req->ring_index < cnt)
+ req->cnt = cnt - req->ring_index;
+ else
+ req->cnt = req->length -
+ (req->ring_index - cnt);
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
+ }
+
+ ctx = sp->u.scmd.ctx =
+ mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
+ if (!ctx) {
+ ql_log(ql_log_fatal, vha, 0x3010,
+ "Failed to allocate ctx for cmd=%p.\n", cmd);
+ goto queuing_error;
+ }
+
+ memset(ctx, 0, sizeof(struct ct6_dsd));
+ ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool,
+ GFP_ATOMIC, &ctx->fcp_cmnd_dma);
+ if (!ctx->fcp_cmnd) {
+ ql_log(ql_log_fatal, vha, 0x3011,
+ "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
+ goto queuing_error;
+ }
+
+ /* Initialize the DSD list and dma handle */
+ INIT_LIST_HEAD(&ctx->dsd_list);
+ ctx->dsd_use_cnt = 0;
+
+ if (cmd->cmd_len > 16) {
+ additional_cdb_len = cmd->cmd_len - 16;
+ if ((cmd->cmd_len % 4) != 0) {
+ /* SCSI command bigger than 16 bytes must be
+ * multiple of 4
+ */
+ ql_log(ql_log_warn, vha, 0x3012,
+ "scsi cmd len %d not multiple of 4 "
+ "for cmd=%p.\n", cmd->cmd_len, cmd);
+ goto queuing_error_fcp_cmnd;
+ }
+ ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
+ } else {
+ additional_cdb_len = 0;
+ ctx->fcp_cmnd_len = 12 + 16 + 4;
+ }
+
+ cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
+ cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
+
+ /* Zero out remaining portion of packet. */
+ /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
+ clr_ptr = (uint32_t *)cmd_pkt + 2;
+ memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
+ cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
+
+ /* Set NPORT-ID and LUN number*/
+ cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+ cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
+ cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
+ cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+ cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
+
+ /* Build IOCB segments */
+ if (qla24xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds))
+ goto queuing_error_fcp_cmnd;
+
+ int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
+ host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
+
+ /* build FCP_CMND IU */
+ memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
+ int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun);
+ ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
+
+ if (cmd->sc_data_direction == DMA_TO_DEVICE)
+ ctx->fcp_cmnd->additional_cdb_len |= 1;
+ else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
+ ctx->fcp_cmnd->additional_cdb_len |= 2;
+
+ /*
+ * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
+ */
+ if (scsi_populate_tag_msg(cmd, tag)) {
+ switch (tag[0]) {
+ case HEAD_OF_QUEUE_TAG:
+ ctx->fcp_cmnd->task_attribute =
+ TSK_HEAD_OF_QUEUE;
+ break;
+ case ORDERED_QUEUE_TAG:
+ ctx->fcp_cmnd->task_attribute =
+ TSK_ORDERED;
+ break;
+ }
+ }
+
+ /* Populate the FCP_PRIO. */
+ if (ha->flags.fcp_prio_enabled)
+ ctx->fcp_cmnd->task_attribute |=
+ sp->fcport->fcp_prio << 3;
+
+ memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
+
+ fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
+ additional_cdb_len);
+ *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
+
+ cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
+ cmd_pkt->fcp_cmnd_dseg_address[0] =
+ cpu_to_le32(LSD(ctx->fcp_cmnd_dma));
+ cmd_pkt->fcp_cmnd_dseg_address[1] =
+ cpu_to_le32(MSD(ctx->fcp_cmnd_dma));
+
+ sp->flags |= SRB_FCP_CMND_DMA_VALID;
+ cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
+ /* Set total data segment count. */
+ cmd_pkt->entry_count = (uint8_t)req_cnt;
+ /* Specify response queue number where
+ * completion should happen
+ */
+ cmd_pkt->entry_status = (uint8_t) rsp->id;
+ } else {
+ struct cmd_type_7 *cmd_pkt;
+ req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
+ if (req->cnt < (req_cnt + 2)) {
+ cnt = (uint16_t)RD_REG_DWORD_RELAXED(
+ &reg->req_q_out[0]);
+ if (req->ring_index < cnt)
+ req->cnt = cnt - req->ring_index;
+ else
+ req->cnt = req->length -
+ (req->ring_index - cnt);
+ }
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
+
+ cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
+ cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
+
+ /* Zero out remaining portion of packet. */
+ /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
+ clr_ptr = (uint32_t *)cmd_pkt + 2;
+ memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
+ cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
+
+ /* Set NPORT-ID and LUN number*/
+ cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+ cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
+ cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
+ cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+ cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
+
+ int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
+ host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
+ sizeof(cmd_pkt->lun));
+
+ /*
+ * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
+ */
+ if (scsi_populate_tag_msg(cmd, tag)) {
+ switch (tag[0]) {
+ case HEAD_OF_QUEUE_TAG:
+ cmd_pkt->task = TSK_HEAD_OF_QUEUE;
+ break;
+ case ORDERED_QUEUE_TAG:
+ cmd_pkt->task = TSK_ORDERED;
+ break;
+ }
+ }
+
+ /* Populate the FCP_PRIO. */
+ if (ha->flags.fcp_prio_enabled)
+ cmd_pkt->task |= sp->fcport->fcp_prio << 3;
+
+ /* Load SCSI command packet. */
+ memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
+ host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
+
+ cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
+
+ /* Build IOCB segments */
+ qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds);
+
+ /* Set total data segment count. */
+ cmd_pkt->entry_count = (uint8_t)req_cnt;
+ /* Specify response queue number where
+ * completion should happen.
+ */
+ cmd_pkt->entry_status = (uint8_t) rsp->id;
+
+ }
+ /* Build command packet. */
+ req->current_outstanding_cmd = handle;
+ req->outstanding_cmds[handle] = sp;
+ sp->handle = handle;
+ cmd->host_scribble = (unsigned char *)(unsigned long)handle;
+ req->cnt -= req_cnt;
+ wmb();
+
+ /* Adjust ring index. */
+ req->ring_index++;
+ if (req->ring_index == req->length) {
+ req->ring_index = 0;
+ req->ring_ptr = req->ring;
+ } else
+ req->ring_ptr++;
+
+ sp->flags |= SRB_DMA_VALID;
+
+ /* Set chip new ring index. */
+ /* write, read and verify logic */
+ dbval = dbval | (req->id << 8) | (req->ring_index << 16);
+ if (ql2xdbwr)
+ qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
+ else {
+ WRT_REG_DWORD(
+ (unsigned long __iomem *)ha->nxdb_wr_ptr,
+ dbval);
+ wmb();
+ while (RD_REG_DWORD((void __iomem *)ha->nxdb_rd_ptr) != dbval) {
+ WRT_REG_DWORD(
+ (unsigned long __iomem *)ha->nxdb_wr_ptr,
+ dbval);
+ wmb();
+ }
+ }
+
+ /* Manage unprocessed RIO/ZIO commands in response queue. */
+ if (vha->flags.process_response_queue &&
+ rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+ qla24xx_process_response_queue(vha, rsp);
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return QLA_SUCCESS;
+
+queuing_error_fcp_cmnd:
+ dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
+queuing_error:
+ if (tot_dsds)
+ scsi_dma_unmap(cmd);
+
+ if (sp->u.scmd.ctx) {
+ mempool_free(sp->u.scmd.ctx, ha->ctx_mempool);
+ sp->u.scmd.ctx = NULL;
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return QLA_FUNCTION_FAILED;
+}
+
+void
+qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb)
+{
+ struct srb_iocb *aio = &sp->u.iocb_cmd;
+ scsi_qla_host_t *vha = sp->fcport->vha;
+ struct req_que *req = vha->req;
+
+ memset(abt_iocb, 0, sizeof(struct abort_entry_24xx));
+ abt_iocb->entry_type = ABORT_IOCB_TYPE;
+ abt_iocb->entry_count = 1;
+ abt_iocb->handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
+ abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+ abt_iocb->handle_to_abort =
+ cpu_to_le32(MAKE_HANDLE(req->id, aio->u.abt.cmd_hndl));
+ abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
+ abt_iocb->port_id[1] = sp->fcport->d_id.b.area;
+ abt_iocb->port_id[2] = sp->fcport->d_id.b.domain;
+ abt_iocb->vp_index = vha->vp_idx;
+ abt_iocb->req_que_no = cpu_to_le16(req->id);
+ /* Send the command to the firmware */
+ wmb();
+}
+
int
qla2x00_start_sp(srb_t *sp)
{
int rval;
struct qla_hw_data *ha = sp->fcport->vha->hw;
void *pkt;
- struct srb_ctx *ctx = sp->ctx;
unsigned long flags;
rval = QLA_FUNCTION_FAILED;
spin_lock_irqsave(&ha->hardware_lock, flags);
pkt = qla2x00_alloc_iocbs(sp->fcport->vha, sp);
- if (!pkt)
+ if (!pkt) {
+ ql_log(ql_log_warn, sp->fcport->vha, 0x700c,
+ "qla2x00_alloc_iocbs failed.\n");
goto done;
+ }
rval = QLA_SUCCESS;
- switch (ctx->type) {
+ switch (sp->type) {
case SRB_LOGIN_CMD:
IS_FWI2_CAPABLE(ha) ?
qla24xx_login_iocb(sp, pkt) :
@@ -2020,8 +2707,8 @@ qla2x00_start_sp(srb_t *sp)
break;
case SRB_CT_CMD:
IS_FWI2_CAPABLE(ha) ?
- qla24xx_ct_iocb(sp, pkt) :
- qla2x00_ct_iocb(sp, pkt);
+ qla24xx_ct_iocb(sp, pkt) :
+ qla2x00_ct_iocb(sp, pkt);
break;
case SRB_ADISC_CMD:
IS_FWI2_CAPABLE(ha) ?
@@ -2029,15 +2716,218 @@ qla2x00_start_sp(srb_t *sp)
qla2x00_adisc_iocb(sp, pkt);
break;
case SRB_TM_CMD:
- qla24xx_tm_iocb(sp, pkt);
+ IS_QLAFX00(ha) ?
+ qlafx00_tm_iocb(sp, pkt) :
+ qla24xx_tm_iocb(sp, pkt);
+ break;
+ case SRB_FXIOCB_DCMD:
+ case SRB_FXIOCB_BCMD:
+ qlafx00_fxdisc_iocb(sp, pkt);
+ break;
+ case SRB_ABT_CMD:
+ IS_QLAFX00(ha) ?
+ qlafx00_abort_iocb(sp, pkt) :
+ qla24xx_abort_iocb(sp, pkt);
break;
default:
break;
}
wmb();
- qla2x00_start_iocbs(sp);
+ qla2x00_start_iocbs(sp->fcport->vha, ha->req_q_map[0]);
done:
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return rval;
}
+
+static void
+qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha,
+ struct cmd_bidir *cmd_pkt, uint32_t tot_dsds)
+{
+ uint16_t avail_dsds;
+ uint32_t *cur_dsd;
+ uint32_t req_data_len = 0;
+ uint32_t rsp_data_len = 0;
+ struct scatterlist *sg;
+ int index;
+ int entry_count = 1;
+ struct fc_bsg_job *bsg_job = sp->u.bsg_job;
+
+ /*Update entry type to indicate bidir command */
+ *((uint32_t *)(&cmd_pkt->entry_type)) =
+ __constant_cpu_to_le32(COMMAND_BIDIRECTIONAL);
+
+ /* Set the transfer direction, in this set both flags
+ * Also set the BD_WRAP_BACK flag, firmware will take care
+ * assigning DID=SID for outgoing pkts.
+ */
+ cmd_pkt->wr_dseg_count = cpu_to_le16(bsg_job->request_payload.sg_cnt);
+ cmd_pkt->rd_dseg_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt);
+ cmd_pkt->control_flags =
+ __constant_cpu_to_le16(BD_WRITE_DATA | BD_READ_DATA |
+ BD_WRAP_BACK);
+
+ req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
+ cmd_pkt->wr_byte_count = cpu_to_le32(req_data_len);
+ cmd_pkt->rd_byte_count = cpu_to_le32(rsp_data_len);
+ cmd_pkt->timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
+
+ vha->bidi_stats.transfer_bytes += req_data_len;
+ vha->bidi_stats.io_count++;
+
+ vha->qla_stats.output_bytes += req_data_len;
+ vha->qla_stats.output_requests++;
+
+ /* Only one dsd is available for bidirectional IOCB, remaining dsds
+ * are bundled in continuation iocb
+ */
+ avail_dsds = 1;
+ cur_dsd = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
+
+ index = 0;
+
+ for_each_sg(bsg_job->request_payload.sg_list, sg,
+ bsg_job->request_payload.sg_cnt, index) {
+ dma_addr_t sle_dma;
+ cont_a64_entry_t *cont_pkt;
+
+ /* Allocate additional continuation packets */
+ if (avail_dsds == 0) {
+ /* Continuation type 1 IOCB can accomodate
+ * 5 DSDS
+ */
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
+ cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
+ avail_dsds = 5;
+ entry_count++;
+ }
+ sle_dma = sg_dma_address(sg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+ avail_dsds--;
+ }
+ /* For read request DSD will always goes to continuation IOCB
+ * and follow the write DSD. If there is room on the current IOCB
+ * then it is added to that IOCB else new continuation IOCB is
+ * allocated.
+ */
+ for_each_sg(bsg_job->reply_payload.sg_list, sg,
+ bsg_job->reply_payload.sg_cnt, index) {
+ dma_addr_t sle_dma;
+ cont_a64_entry_t *cont_pkt;
+
+ /* Allocate additional continuation packets */
+ if (avail_dsds == 0) {
+ /* Continuation type 1 IOCB can accomodate
+ * 5 DSDS
+ */
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
+ cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
+ avail_dsds = 5;
+ entry_count++;
+ }
+ sle_dma = sg_dma_address(sg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+ avail_dsds--;
+ }
+ /* This value should be same as number of IOCB required for this cmd */
+ cmd_pkt->entry_count = entry_count;
+}
+
+int
+qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds)
+{
+
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+ uint32_t handle;
+ uint32_t index;
+ uint16_t req_cnt;
+ uint16_t cnt;
+ uint32_t *clr_ptr;
+ struct cmd_bidir *cmd_pkt = NULL;
+ struct rsp_que *rsp;
+ struct req_que *req;
+ int rval = EXT_STATUS_OK;
+
+ rval = QLA_SUCCESS;
+
+ rsp = ha->rsp_q_map[0];
+ req = vha->req;
+
+ /* Send marker if required */
+ if (vha->marker_needed != 0) {
+ if (qla2x00_marker(vha, req,
+ rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
+ return EXT_STATUS_MAILBOX;
+ vha->marker_needed = 0;
+ }
+
+ /* Acquire ring specific lock */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Check for room in outstanding command list. */
+ handle = req->current_outstanding_cmd;
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
+ handle++;
+ if (handle == req->num_outstanding_cmds)
+ handle = 1;
+ if (!req->outstanding_cmds[handle])
+ break;
+ }
+
+ if (index == req->num_outstanding_cmds) {
+ rval = EXT_STATUS_BUSY;
+ goto queuing_error;
+ }
+
+ /* Calculate number of IOCB required */
+ req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
+
+ /* Check for room on request queue. */
+ if (req->cnt < req_cnt + 2) {
+ cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
+ RD_REG_DWORD_RELAXED(req->req_q_out);
+ if (req->ring_index < cnt)
+ req->cnt = cnt - req->ring_index;
+ else
+ req->cnt = req->length -
+ (req->ring_index - cnt);
+ }
+ if (req->cnt < req_cnt + 2) {
+ rval = EXT_STATUS_BUSY;
+ goto queuing_error;
+ }
+
+ cmd_pkt = (struct cmd_bidir *)req->ring_ptr;
+ cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
+
+ /* Zero out remaining portion of packet. */
+ /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
+ clr_ptr = (uint32_t *)cmd_pkt + 2;
+ memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
+
+ /* Set NPORT-ID (of vha)*/
+ cmd_pkt->nport_handle = cpu_to_le16(vha->self_login_loop_id);
+ cmd_pkt->port_id[0] = vha->d_id.b.al_pa;
+ cmd_pkt->port_id[1] = vha->d_id.b.area;
+ cmd_pkt->port_id[2] = vha->d_id.b.domain;
+
+ qla25xx_build_bidir_iocb(sp, vha, cmd_pkt, tot_dsds);
+ cmd_pkt->entry_status = (uint8_t) rsp->id;
+ /* Build command packet. */
+ req->current_outstanding_cmd = handle;
+ req->outstanding_cmds[handle] = sp;
+ sp->handle = handle;
+ req->cnt -= req_cnt;
+
+ /* Send the command to the firmware */
+ wmb();
+ qla2x00_start_iocbs(vha, req);
+queuing_error:
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return rval;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-25 04:02:14 +0000