[SCSI] qla4xxx: add support for set_net_config

Allows user space (iscsiadm) to send down network configuration
parameters for LLD to set private network configuration on the iSCSI
adapters.

Based on patches from Vikas Chaudhary.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 117 insertions, 2 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index fce8289e9752..559286dcc53c 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -303,7 +303,7 @@ qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
         return QLA_SUCCESS;
 }
 
-static uint8_t
+uint8_t
 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
                  uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 {
@@ -363,7 +363,7 @@ qla4xxx_update_local_ip(struct scsi_qla_host *ha,
         }
 }
 
-static uint8_t
+uint8_t
 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
                           uint32_t *mbox_cmd,
                           uint32_t *mbox_sts,
@@ -1207,3 +1207,118 @@ exit_send_tgts_no_free:
         return ret_val;
 }
 
+int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
+                      uint32_t offset, uint32_t length, uint32_t options)
+{
+        uint32_t mbox_cmd[MBOX_REG_COUNT];
+        uint32_t mbox_sts[MBOX_REG_COUNT];
+        int status = QLA_SUCCESS;
+
+        memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+        memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+        mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
+        mbox_cmd[1] = LSDW(dma_addr);
+        mbox_cmd[2] = MSDW(dma_addr);
+        mbox_cmd[3] = offset;
+        mbox_cmd[4] = length;
+        mbox_cmd[5] = options;
+
+        status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
+        if (status != QLA_SUCCESS) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
+                                  "failed w/ status %04X, mbx1 %04X\n",
+                                  __func__, mbox_sts[0], mbox_sts[1]));
+        }
+        return status;
+}
+
+int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
+                                   uint16_t fw_ddb_index,
+                                   uint16_t connection_id,
+                                   uint16_t option)
+{
+        uint32_t mbox_cmd[MBOX_REG_COUNT];
+        uint32_t mbox_sts[MBOX_REG_COUNT];
+        int status = QLA_SUCCESS;
+
+        memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+        memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+        mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
+        mbox_cmd[1] = fw_ddb_index;
+        mbox_cmd[2] = connection_id;
+        mbox_cmd[3] = option;
+
+        status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
+        if (status != QLA_SUCCESS) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
+                                  "option %04x failed w/ status %04X %04X\n",
+                                  __func__, option, mbox_sts[0], mbox_sts[1]));
+        }
+        return status;
+}
+
+int qla4xxx_disable_acb(struct scsi_qla_host *ha)
+{
+        uint32_t mbox_cmd[MBOX_REG_COUNT];
+        uint32_t mbox_sts[MBOX_REG_COUNT];
+        int status = QLA_SUCCESS;
+
+        memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+        memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+        mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
+
+        status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
+        if (status != QLA_SUCCESS) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
+                                  "failed w/ status %04X %04X %04X", __func__,
+                                  mbox_sts[0], mbox_sts[1], mbox_sts[2]));
+        }
+        return status;
+}
+
+int qla4xxx_get_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+                    uint32_t *mbox_sts, dma_addr_t acb_dma)
+{
+        int status = QLA_SUCCESS;
+
+        memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+        memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+        mbox_cmd[0] = MBOX_CMD_GET_ACB;
+        mbox_cmd[1] = 0; /* Primary ACB */
+        mbox_cmd[2] = LSDW(acb_dma);
+        mbox_cmd[3] = MSDW(acb_dma);
+        mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+
+        status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
+        if (status != QLA_SUCCESS) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
+                                  "failed w/ status %04X\n", __func__,
+                                  mbox_sts[0]));
+        }
+        return status;
+}
+
+int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+                    uint32_t *mbox_sts, dma_addr_t acb_dma)
+{
+        int status = QLA_SUCCESS;
+
+        memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+        memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+        mbox_cmd[0] = MBOX_CMD_SET_ACB;
+        mbox_cmd[1] = 0; /* Primary ACB */
+        mbox_cmd[2] = LSDW(acb_dma);
+        mbox_cmd[3] = MSDW(acb_dma);
+        mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+
+        status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
+        if (status != QLA_SUCCESS) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
+                                  "failed w/ status %04X\n", __func__,
+                                  mbox_sts[0]));
+        }
+        return status;
+}