From: Joe Carnuccio <joe.carnuccio@xxxxxxxxxx>
Provide bsg interface for updating VPD attached on the I2C serial bus.
Signed-off-by: Joe Carnuccio <joe.carnuccio@xxxxxxxxxx>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_bsg.c | 151 ++++++++++++++++++++++++++++++++++++++++
drivers/scsi/qla2xxx/qla_bsg.h | 42 +++++++++++
2 files changed, 193 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 8c10e2c..e6c851f 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -1426,6 +1426,148 @@ qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
}
static int
+qla2x00_update_fru_versions(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;
+ uint8_t bsg[DMA_POOL_SIZE];
+ struct qla_image_version_list *list = (void *)bsg;
+ struct qla_image_version *image;
+ uint32_t count;
+ dma_addr_t sfp_dma;
+ void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+ if (!sfp) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
+
+ image = list->version;
+ count = list->count;
+ while (count--) {
+ memcpy(sfp, &image->field_info, sizeof(image->field_info));
+ rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+ image->field_address.device, image->field_address.offset,
+ sizeof(image->field_info), image->field_address.option);
+ if (rval) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_MAILBOX;
+ goto dealloc;
+ }
+ image++;
+ }
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+ dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+
+ return 0;
+}
+
+static int
+qla2x00_read_fru_status(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;
+ uint8_t bsg[DMA_POOL_SIZE];
+ struct qla_status_reg *sr = (void *)bsg;
+ dma_addr_t sfp_dma;
+ uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+ if (!sfp) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
+
+ rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
+ sr->field_address.device, sr->field_address.offset,
+ sizeof(sr->status_reg), sr->field_address.option);
+ sr->status_reg = *sfp;
+
+ if (rval) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_MAILBOX;
+ goto dealloc;
+ }
+
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+ dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+
+ return 0;
+}
+
+static int
+qla2x00_write_fru_status(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;
+ uint8_t bsg[DMA_POOL_SIZE];
+ struct qla_status_reg *sr = (void *)bsg;
+ dma_addr_t sfp_dma;
+ uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+ if (!sfp) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
+
+ *sfp = sr->status_reg;
+ rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+ sr->field_address.device, sr->field_address.offset,
+ sizeof(sr->status_reg), sr->field_address.option);
+
+ if (rval) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_MAILBOX;
+ goto dealloc;
+ }
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+ dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+
+ return 0;
+}
+
+static int
qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
{
switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
@@ -1453,6 +1595,15 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
case QL_VND_UPDATE_FLASH:
return qla2x00_update_optrom(bsg_job);
+ case QL_VND_SET_FRU_VERSION:
+ return qla2x00_update_fru_versions(bsg_job);
+
+ case QL_VND_READ_FRU_STATUS:
+ return qla2x00_read_fru_status(bsg_job);
+
+ case QL_VND_WRITE_FRU_STATUS:
+ return qla2x00_write_fru_status(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 0f0f54e..70caa63 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.h
+++ b/drivers/scsi/qla2xxx/qla_bsg.h
@@ -16,6 +16,16 @@
#define QL_VND_FCP_PRIO_CFG_CMD 0x06
#define QL_VND_READ_FLASH 0x07
#define QL_VND_UPDATE_FLASH 0x08
+#define QL_VND_SET_FRU_VERSION 0x0B
+#define QL_VND_READ_FRU_STATUS 0x0C
+#define QL_VND_WRITE_FRU_STATUS 0x0D
+
+/* BSG Vendor specific subcode returns */
+#define EXT_STATUS_OK 0
+#define EXT_STATUS_ERR 1
+#define EXT_STATUS_INVALID_PARAM 6
+#define EXT_STATUS_MAILBOX 11
+#define EXT_STATUS_NO_MEMORY 17
/* BSG definations for interpreting CommandSent field */
#define INT_DEF_LB_LOOPBACK_CMD 0
@@ -141,4 +151,36 @@ struct qla_port_param {
uint16_t mode;
uint16_t speed;
} __attribute__ ((packed));
+
+
+/* FRU VPD */
+
+#define MAX_FRU_SIZE 36
+
+struct qla_field_address {
+ uint16_t offset;
+ uint16_t device;
+ uint16_t option;
+} __packed;
+
+struct qla_field_info {
+ uint8_t version[MAX_FRU_SIZE];
+} __packed;
+
+struct qla_image_version {
+ struct qla_field_address field_address;
+ struct qla_field_info field_info;
+} __packed;
+
+struct qla_image_version_list {
+ uint32_t count;
+ struct qla_image_version version[0];
+} __packed;
+
+struct qla_status_reg {
+ struct qla_field_address field_address;
+ uint8_t status_reg;
+ uint8_t reserved[7];
+} __packed;
+
#endif
--
1.6.0.2
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