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path: root/drivers/scsi/qla2xxx/qla_bsg.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_bsg.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c294
1 files changed, 253 insertions, 41 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index b905dfe5ea61..9067629817ea 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -1,6 +1,6 @@
/*
* QLogic Fibre Channel HBA Driver
- * Copyright (c) 2003-2008 QLogic Corporation
+ * Copyright (c) 2003-2010 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
@@ -41,13 +41,28 @@ qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
int i, ret, num_valid;
uint8_t *bcode;
struct qla_fcp_prio_entry *pri_entry;
+ uint32_t *bcode_val_ptr, bcode_val;
ret = 1;
num_valid = 0;
bcode = (uint8_t *)pri_cfg;
+ bcode_val_ptr = (uint32_t *)pri_cfg;
+ bcode_val = (uint32_t)(*bcode_val_ptr);
- if (bcode[0x0] != 'H' || bcode[0x1] != 'Q' || bcode[0x2] != 'O' ||
- bcode[0x3] != 'S') {
+ if (bcode_val == 0xFFFFFFFF) {
+ /* No FCP Priority config data in flash */
+ DEBUG2(printk(KERN_INFO
+ "%s: No FCP priority config data.\n",
+ __func__));
+ return 0;
+ }
+
+ if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
+ bcode[3] != 'S') {
+ /* Invalid FCP priority data header*/
+ DEBUG2(printk(KERN_ERR
+ "%s: Invalid FCP Priority data header. bcode=0x%x\n",
+ __func__, bcode_val));
return 0;
}
if (flag != 1)
@@ -60,8 +75,18 @@ qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
pri_entry++;
}
- if (num_valid == 0)
+ if (num_valid == 0) {
+ /* No valid FCP priority data entries */
+ DEBUG2(printk(KERN_ERR
+ "%s: No valid FCP Priority data entries.\n",
+ __func__));
ret = 0;
+ } else {
+ /* FCP priority data is valid */
+ DEBUG2(printk(KERN_INFO
+ "%s: Valid FCP priority data. num entries = %d\n",
+ __func__, num_valid));
+ }
return ret;
}
@@ -78,6 +103,11 @@ qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
bsg_job->reply->reply_payload_rcv_len = 0;
+ if (!IS_QLA24XX_TYPE(ha) || !IS_QLA25XX(ha)) {
+ ret = -EINVAL;
+ goto exit_fcp_prio_cfg;
+ }
+
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
@@ -199,7 +229,7 @@ static int
qla2x00_process_els(struct fc_bsg_job *bsg_job)
{
struct fc_rport *rport;
- fc_port_t *fcport;
+ fc_port_t *fcport = NULL;
struct Scsi_Host *host;
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
@@ -210,6 +240,29 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
uint16_t nextlid = 0;
struct srb_ctx *els;
+ if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
+ rport = bsg_job->rport;
+ fcport = *(fc_port_t **) rport->dd_data;
+ host = rport_to_shost(rport);
+ vha = shost_priv(host);
+ ha = vha->hw;
+ type = "FC_BSG_RPT_ELS";
+ } else {
+ host = bsg_job->shost;
+ vha = shost_priv(host);
+ ha = vha->hw;
+ type = "FC_BSG_HST_ELS_NOLOGIN";
+ }
+
+ /* pass through is supported only for ISP 4Gb or higher */
+ if (!IS_FWI2_CAPABLE(ha)) {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld):ELS passthru not supported for ISP23xx based "
+ "adapters\n", vha->host_no));
+ rval = -EPERM;
+ goto done;
+ }
+
/* Multiple SG's are not supported for ELS requests */
if (bsg_job->request_payload.sg_cnt > 1 ||
bsg_job->reply_payload.sg_cnt > 1) {
@@ -224,13 +277,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
/* ELS request for rport */
if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
- rport = bsg_job->rport;
- fcport = *(fc_port_t **) rport->dd_data;
- host = rport_to_shost(rport);
- vha = shost_priv(host);
- ha = vha->hw;
- type = "FC_BSG_RPT_ELS";
-
/* make sure the rport is logged in,
* if not perform fabric login
*/
@@ -242,11 +288,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
goto done;
}
} else {
- host = bsg_job->shost;
- vha = shost_priv(host);
- ha = vha->hw;
- type = "FC_BSG_HST_ELS_NOLOGIN";
-
/* Allocate a dummy fcport structure, since functions
* preparing the IOCB and mailbox command retrieves port
* specific information from fcport structure. For Host based
@@ -366,15 +407,6 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
char *type = "FC_BSG_HST_CT";
struct srb_ctx *ct;
- /* pass through is supported only for ISP 4Gb or higher */
- if (!IS_FWI2_CAPABLE(ha)) {
- DEBUG2(qla_printk(KERN_INFO, ha,
- "scsi(%ld):Firmware is not capable to support FC "
- "CT pass thru\n", vha->host_no));
- rval = -EPERM;
- goto done;
- }
-
req_sg_cnt =
dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
@@ -483,6 +515,98 @@ done:
return rval;
}
+/* Set the port configuration to enable the
+ * internal loopback on ISP81XX
+ */
+static inline int
+qla81xx_set_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
+ uint16_t *new_config)
+{
+ int ret = 0;
+ int rval = 0;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_QLA81XX(ha))
+ goto done_set_internal;
+
+ new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
+ memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
+
+ ha->notify_dcbx_comp = 1;
+ ret = qla81xx_set_port_config(vha, new_config);
+ if (ret != QLA_SUCCESS) {
+ DEBUG2(printk(KERN_ERR
+ "%s(%lu): Set port config failed\n",
+ __func__, vha->host_no));
+ ha->notify_dcbx_comp = 0;
+ rval = -EINVAL;
+ goto done_set_internal;
+ }
+
+ /* Wait for DCBX complete event */
+ if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "State change notificaition not received.\n"));
+ } else
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "State change RECEIVED\n"));
+
+ ha->notify_dcbx_comp = 0;
+
+done_set_internal:
+ return rval;
+}
+
+/* Set the port configuration to disable the
+ * internal loopback on ISP81XX
+ */
+static inline int
+qla81xx_reset_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
+ int wait)
+{
+ int ret = 0;
+ int rval = 0;
+ uint16_t new_config[4];
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_QLA81XX(ha))
+ goto done_reset_internal;
+
+ memset(new_config, 0 , sizeof(new_config));
+ if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
+ ENABLE_INTERNAL_LOOPBACK) {
+ new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
+ memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
+
+ ha->notify_dcbx_comp = wait;
+ ret = qla81xx_set_port_config(vha, new_config);
+ if (ret != QLA_SUCCESS) {
+ DEBUG2(printk(KERN_ERR
+ "%s(%lu): Set port config failed\n",
+ __func__, vha->host_no));
+ ha->notify_dcbx_comp = 0;
+ rval = -EINVAL;
+ goto done_reset_internal;
+ }
+
+ /* Wait for DCBX complete event */
+ if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
+ (20 * HZ))) {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "State change notificaition not received.\n"));
+ ha->notify_dcbx_comp = 0;
+ rval = -EINVAL;
+ goto done_reset_internal;
+ } else
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "State change RECEIVED\n"));
+
+ ha->notify_dcbx_comp = 0;
+ }
+done_reset_internal:
+ return rval;
+}
+
static int
qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
{
@@ -494,6 +618,7 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
char *type;
struct msg_echo_lb elreq;
uint16_t response[MAILBOX_REGISTER_COUNT];
+ uint16_t config[4], new_config[4];
uint8_t *fw_sts_ptr;
uint8_t *req_data = NULL;
dma_addr_t req_data_dma;
@@ -568,29 +693,102 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
- if (ha->current_topology != ISP_CFG_F) {
- type = "FC_BSG_HST_VENDOR_LOOPBACK";
+ if ((ha->current_topology == ISP_CFG_F ||
+ (IS_QLA81XX(ha) &&
+ le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
+ && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
+ elreq.options == EXTERNAL_LOOPBACK) {
+ type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
DEBUG2(qla_printk(KERN_INFO, ha,
- "scsi(%ld) bsg rqst type: %s\n",
- vha->host_no, type));
-
- command_sent = INT_DEF_LB_LOOPBACK_CMD;
- rval = qla2x00_loopback_test(vha, &elreq, response);
+ "scsi(%ld) bsg rqst type: %s\n", vha->host_no, type));
+ command_sent = INT_DEF_LB_ECHO_CMD;
+ rval = qla2x00_echo_test(vha, &elreq, response);
+ } else {
if (IS_QLA81XX(ha)) {
+ memset(config, 0, sizeof(config));
+ memset(new_config, 0, sizeof(new_config));
+ if (qla81xx_get_port_config(vha, config)) {
+ DEBUG2(printk(KERN_ERR
+ "%s(%lu): Get port config failed\n",
+ __func__, vha->host_no));
+ bsg_job->reply->reply_payload_rcv_len = 0;
+ bsg_job->reply->result = (DID_ERROR << 16);
+ rval = -EPERM;
+ goto done_free_dma_req;
+ }
+
+ if (elreq.options != EXTERNAL_LOOPBACK) {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "Internal: current port config = %x\n",
+ config[0]));
+ if (qla81xx_set_internal_loopback(vha, config,
+ new_config)) {
+ bsg_job->reply->reply_payload_rcv_len =
+ 0;
+ bsg_job->reply->result =
+ (DID_ERROR << 16);
+ rval = -EPERM;
+ goto done_free_dma_req;
+ }
+ } else {
+ /* For external loopback to work
+ * ensure internal loopback is disabled
+ */
+ if (qla81xx_reset_internal_loopback(vha,
+ config, 1)) {
+ bsg_job->reply->reply_payload_rcv_len =
+ 0;
+ bsg_job->reply->result =
+ (DID_ERROR << 16);
+ rval = -EPERM;
+ goto done_free_dma_req;
+ }
+ }
+
+ type = "FC_BSG_HST_VENDOR_LOOPBACK";
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld) bsg rqst type: %s\n",
+ vha->host_no, type));
+
+ command_sent = INT_DEF_LB_LOOPBACK_CMD;
+ rval = qla2x00_loopback_test(vha, &elreq, response);
+
+ if (new_config[1]) {
+ /* Revert back to original port config
+ * Also clear internal loopback
+ */
+ qla81xx_reset_internal_loopback(vha,
+ new_config, 0);
+ }
+
if (response[0] == MBS_COMMAND_ERROR &&
- response[1] == MBS_LB_RESET) {
+ response[1] == MBS_LB_RESET) {
DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing "
- "ISP\n", __func__, vha->host_no));
+ "ISP\n", __func__, vha->host_no));
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
+ qla2x00_wait_for_chip_reset(vha);
+ /* Also reset the MPI */
+ if (qla81xx_restart_mpi_firmware(vha) !=
+ QLA_SUCCESS) {
+ qla_printk(KERN_INFO, ha,
+ "MPI reset failed for host%ld.\n",
+ vha->host_no);
+ }
+
+ bsg_job->reply->reply_payload_rcv_len = 0;
+ bsg_job->reply->result = (DID_ERROR << 16);
+ rval = -EIO;
+ goto done_free_dma_req;
}
+ } else {
+ type = "FC_BSG_HST_VENDOR_LOOPBACK";
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld) bsg rqst type: %s\n",
+ vha->host_no, type));
+ command_sent = INT_DEF_LB_LOOPBACK_CMD;
+ rval = qla2x00_loopback_test(vha, &elreq, response);
}
- } else {
- type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
- DEBUG2(qla_printk(KERN_INFO, ha,
- "scsi(%ld) bsg rqst type: %s\n", vha->host_no, type));
- command_sent = INT_DEF_LB_ECHO_CMD;
- rval = qla2x00_echo_test(vha, &elreq, response);
}
if (rval) {
@@ -1056,6 +1254,20 @@ qla24xx_iidma(struct fc_bsg_job *bsg_job)
return -EINVAL;
}
+ if (fcport->loop_id == FC_NO_LOOP_ID) {
+ DEBUG2(printk(KERN_ERR "%s(%ld): Invalid port loop id, "
+ "loop_id = 0x%x\n",
+ __func__, vha->host_no, fcport->loop_id));
+ return -EINVAL;
+ }
+
+ if (fcport->flags & FCF_LOGIN_NEEDED) {
+ DEBUG2(printk(KERN_ERR "%s(%ld): Remote port not logged in, "
+ "flags = 0x%x\n",
+ __func__, vha->host_no, fcport->flags));
+ return -EINVAL;
+ }
+
if (port_param->mode)
rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
port_param->speed, mb);