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authorHarish Zunjarrao <harish.zunjarrao@qlogic.com>2010-10-15 11:27:43 -0700
committerJames Bottomley <James.Bottomley@suse.de>2010-10-25 16:00:40 -0500
commitf19af1636bda8454401fa76ce4ad027412d5d07a (patch)
tree4f108bd888ce8743584db22206a4dd1a4145fb36 /drivers/scsi/qla2xxx
parentff454b01b4ebe60b14092943978000928bf8c551 (diff)
[SCSI] qla2xxx: Add flash read/update support using BSG interface
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c125
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.h2
2 files changed, 127 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index fdfbf83a633..31a4121a2be 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -1307,6 +1307,125 @@ qla24xx_iidma(struct fc_bsg_job *bsg_job)
}
static int
+qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, struct qla_hw_data *ha,
+ uint8_t is_update)
+{
+ uint32_t start = 0;
+ int valid = 0;
+
+ bsg_job->reply->reply_payload_rcv_len = 0;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ return -EINVAL;
+
+ start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+ if (start > ha->optrom_size)
+ return -EINVAL;
+
+ if (ha->optrom_state != QLA_SWAITING)
+ return -EBUSY;
+
+ ha->optrom_region_start = start;
+
+ if (is_update) {
+ if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
+ valid = 1;
+ else if (start == (ha->flt_region_boot * 4) ||
+ start == (ha->flt_region_fw * 4))
+ valid = 1;
+ else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
+ IS_QLA8XXX_TYPE(ha))
+ valid = 1;
+ if (!valid) {
+ qla_printk(KERN_WARNING, ha,
+ "Invalid start region 0x%x/0x%x.\n",
+ start, bsg_job->request_payload.payload_len);
+ return -EINVAL;
+ }
+
+ ha->optrom_region_size = start +
+ bsg_job->request_payload.payload_len > ha->optrom_size ?
+ ha->optrom_size - start :
+ bsg_job->request_payload.payload_len;
+ ha->optrom_state = QLA_SWRITING;
+ } else {
+ ha->optrom_region_size = start +
+ bsg_job->reply_payload.payload_len > ha->optrom_size ?
+ ha->optrom_size - start :
+ bsg_job->reply_payload.payload_len;
+ ha->optrom_state = QLA_SREADING;
+ }
+
+ ha->optrom_buffer = vmalloc(ha->optrom_region_size);
+ if (!ha->optrom_buffer) {
+ qla_printk(KERN_WARNING, ha,
+ "Read: Unable to allocate memory for optrom retrieval "
+ "(%x).\n", ha->optrom_region_size);
+
+ ha->optrom_state = QLA_SWAITING;
+ return -ENOMEM;
+ }
+
+ memset(ha->optrom_buffer, 0, ha->optrom_region_size);
+ return 0;
+}
+
+static int
+qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+
+ rval = qla2x00_optrom_setup(bsg_job, ha, 0);
+ if (rval)
+ return rval;
+
+ ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
+ ha->optrom_region_start, ha->optrom_region_size);
+
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
+ ha->optrom_region_size);
+
+ bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
+ bsg_job->reply->result = DID_OK;
+ vfree(ha->optrom_buffer);
+ ha->optrom_buffer = NULL;
+ ha->optrom_state = QLA_SWAITING;
+ bsg_job->job_done(bsg_job);
+ return rval;
+}
+
+static int
+qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+
+ rval = qla2x00_optrom_setup(bsg_job, ha, 1);
+ if (rval)
+ return rval;
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
+ ha->optrom_region_size);
+
+ ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
+ ha->optrom_region_start, ha->optrom_region_size);
+
+ bsg_job->reply->result = DID_OK;
+ vfree(ha->optrom_buffer);
+ ha->optrom_buffer = NULL;
+ ha->optrom_state = QLA_SWAITING;
+ bsg_job->job_done(bsg_job);
+ return rval;
+}
+
+static int
qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
{
switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
@@ -1328,6 +1447,12 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
case QL_VND_FCP_PRIO_CFG_CMD:
return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
+ case QL_VND_READ_FLASH:
+ return qla2x00_read_optrom(bsg_job);
+
+ case QL_VND_UPDATE_FLASH:
+ return qla2x00_update_optrom(bsg_job);
+
default:
bsg_job->reply->result = (DID_ERROR << 16);
bsg_job->job_done(bsg_job);
diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h
index cc7c52f87a1..074a999c701 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.h
+++ b/drivers/scsi/qla2xxx/qla_bsg.h
@@ -14,6 +14,8 @@
#define QL_VND_A84_MGMT_CMD 0x04
#define QL_VND_IIDMA 0x05
#define QL_VND_FCP_PRIO_CFG_CMD 0x06
+#define QL_VND_READ_FLASH 0x07
+#define QL_VND_UPDATE_FLASH 0x08
/* BSG definations for interpreting CommandSent field */
#define INT_DEF_LB_LOOPBACK_CMD 0