[SCSI] qla2xxx: add support for NPIV
Following patch adds support for NPIV (N-Port ID Virtualization) to the
qla2xxx.
- supported within switched-fabric topologies only.
- supports up to 63 virtual ports on each physical port.
Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 71e32a2..2cd0cff 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -42,25 +42,29 @@
* Kernel context.
*/
static int
-qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
+qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp)
{
int rval;
unsigned long flags = 0;
- device_reg_t __iomem *reg = ha->iobase;
+ device_reg_t __iomem *reg;
struct timer_list tmp_intr_timer;
uint8_t abort_active;
- uint8_t io_lock_on = ha->flags.init_done;
+ uint8_t io_lock_on;
uint16_t command;
uint16_t *iptr;
uint16_t __iomem *optr;
uint32_t cnt;
uint32_t mboxes;
unsigned long wait_time;
+ scsi_qla_host_t *ha = to_qla_parent(pvha);
+
+ reg = ha->iobase;
+ io_lock_on = ha->flags.init_done;
rval = QLA_SUCCESS;
abort_active = test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
- DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
+ DEBUG11(printk("%s(%ld): entered.\n", __func__, pvha->host_no));
/*
* Wait for active mailbox commands to finish by waiting at most tov
@@ -889,7 +893,7 @@
*/
int
qla2x00_get_adapter_id(scsi_qla_host_t *ha, uint16_t *id, uint8_t *al_pa,
- uint8_t *area, uint8_t *domain, uint16_t *top)
+ uint8_t *area, uint8_t *domain, uint16_t *top, uint16_t *sw_cap)
{
int rval;
mbx_cmd_t mc;
@@ -899,8 +903,9 @@
ha->host_no));
mcp->mb[0] = MBC_GET_ADAPTER_LOOP_ID;
+ mcp->mb[9] = ha->vp_idx;
mcp->out_mb = MBX_0;
- mcp->in_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
+ mcp->in_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
@@ -913,6 +918,7 @@
*area = MSB(mcp->mb[2]);
*domain = LSB(mcp->mb[3]);
*top = mcp->mb[6];
+ *sw_cap = mcp->mb[7];
if (rval != QLA_SUCCESS) {
/*EMPTY*/
@@ -1009,7 +1015,11 @@
DEBUG11(printk("qla2x00_init_firmware(%ld): entered.\n",
ha->host_no));
- mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
+ if (ha->flags.npiv_supported)
+ mcp->mb[0] = MBC_MID_INITIALIZE_FIRMWARE;
+ else
+ mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
+
mcp->mb[2] = MSW(ha->init_cb_dma);
mcp->mb[3] = LSW(ha->init_cb_dma);
mcp->mb[4] = 0;
@@ -1081,7 +1091,8 @@
mcp->mb[3] = LSW(pd_dma);
mcp->mb[6] = MSW(MSD(pd_dma));
mcp->mb[7] = LSW(MSD(pd_dma));
- mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
+ mcp->mb[9] = ha->vp_idx;
+ mcp->out_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
mcp->in_mb = MBX_0;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
mcp->mb[1] = fcport->loop_id;
@@ -1259,7 +1270,8 @@
ha->host_no));
mcp->mb[0] = MBC_GET_PORT_NAME;
- mcp->out_mb = MBX_1|MBX_0;
+ mcp->mb[9] = ha->vp_idx;
+ mcp->out_mb = MBX_9|MBX_1|MBX_0;
if (HAS_EXTENDED_IDS(ha)) {
mcp->mb[1] = loop_id;
mcp->mb[10] = opt;
@@ -1447,6 +1459,7 @@
lg->port_id[0] = al_pa;
lg->port_id[1] = area;
lg->port_id[2] = domain;
+ lg->vp_index = cpu_to_le16(ha->vp_idx);
rval = qla2x00_issue_iocb(ha, lg, lg_dma, 0);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed to issue Login IOCB "
@@ -1701,6 +1714,7 @@
lg->port_id[0] = al_pa;
lg->port_id[1] = area;
lg->port_id[2] = domain;
+ lg->vp_index = cpu_to_le16(ha->vp_idx);
rval = qla2x00_issue_iocb(ha, lg, lg_dma, 0);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed to issue Logout IOCB "
@@ -1863,7 +1877,8 @@
mcp->mb[6] = MSW(MSD(id_list_dma));
mcp->mb[7] = LSW(MSD(id_list_dma));
mcp->mb[8] = 0;
- mcp->out_mb |= MBX_8|MBX_7|MBX_6|MBX_3|MBX_2;
+ mcp->mb[9] = ha->vp_idx;
+ mcp->out_mb |= MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2;
} else {
mcp->mb[1] = MSW(id_list_dma);
mcp->mb[2] = LSW(id_list_dma);
@@ -2212,6 +2227,7 @@
abt->port_id[0] = fcport->d_id.b.al_pa;
abt->port_id[1] = fcport->d_id.b.area;
abt->port_id[2] = fcport->d_id.b.domain;
+ abt->vp_index = fcport->vp_idx;
rval = qla2x00_issue_iocb(ha, abt, abt_dma, 0);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed to issue IOCB (%x).\n",
@@ -2249,7 +2265,7 @@
int rval;
struct tsk_mgmt_cmd *tsk;
dma_addr_t tsk_dma;
- scsi_qla_host_t *ha;
+ scsi_qla_host_t *ha, *pha;
if (fcport == NULL)
return 0;
@@ -2257,7 +2273,8 @@
DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
ha = fcport->ha;
- tsk = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &tsk_dma);
+ pha = to_qla_parent(ha);
+ tsk = dma_pool_alloc(pha->s_dma_pool, GFP_KERNEL, &tsk_dma);
if (tsk == NULL) {
DEBUG2_3(printk("%s(%ld): failed to allocate Task Management "
"IOCB.\n", __func__, ha->host_no));
@@ -2273,6 +2290,8 @@
tsk->p.tsk.port_id[0] = fcport->d_id.b.al_pa;
tsk->p.tsk.port_id[1] = fcport->d_id.b.area;
tsk->p.tsk.port_id[2] = fcport->d_id.b.domain;
+ tsk->p.tsk.vp_index = fcport->vp_idx;
+
rval = qla2x00_issue_iocb(ha, tsk, tsk_dma, 0);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed to issue Target Reset IOCB "
@@ -2303,7 +2322,7 @@
}
atarget_done:
- dma_pool_free(ha->s_dma_pool, tsk, tsk_dma);
+ dma_pool_free(pha->s_dma_pool, tsk, tsk_dma);
return rval;
}
@@ -2610,3 +2629,354 @@
return rval;
}
+
+/*
+ * qla24xx_get_vp_database
+ * Get the VP's database for all configured ports.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ * size = size of initialization control block.
+ *
+ * Returns:
+ * qla2x00 local function return status code.
+ *
+ * Context:
+ * Kernel context.
+ */
+int
+qla24xx_get_vp_database(scsi_qla_host_t *ha, uint16_t size)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+
+ DEBUG11(printk("scsi(%ld):%s - entered.\n",
+ ha->host_no, __func__));
+
+ mcp->mb[0] = MBC_MID_GET_VP_DATABASE;
+ mcp->mb[2] = MSW(ha->init_cb_dma);
+ mcp->mb[3] = LSW(ha->init_cb_dma);
+ mcp->mb[4] = 0;
+ mcp->mb[5] = 0;
+ mcp->mb[6] = MSW(MSD(ha->init_cb_dma));
+ mcp->mb[7] = LSW(MSD(ha->init_cb_dma));
+ mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
+ mcp->in_mb = MBX_1|MBX_0;
+ mcp->buf_size = size;
+ mcp->flags = MBX_DMA_OUT;
+ mcp->tov = MBX_TOV_SECONDS;
+ rval = qla2x00_mailbox_command(ha, mcp);
+
+ if (rval != QLA_SUCCESS) {
+ /*EMPTY*/
+ DEBUG2_3_11(printk("%s(%ld): failed=%x "
+ "mb0=%x.\n",
+ __func__, ha->host_no, rval, mcp->mb[0]));
+ } else {
+ /*EMPTY*/
+ DEBUG11(printk("%s(%ld): done.\n",
+ __func__, ha->host_no));
+ }
+
+ return rval;
+}
+
+int
+qla24xx_get_vp_entry(scsi_qla_host_t *ha, uint16_t size, int vp_id)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+
+ DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
+
+ mcp->mb[0] = MBC_MID_GET_VP_ENTRY;
+ mcp->mb[2] = MSW(ha->init_cb_dma);
+ mcp->mb[3] = LSW(ha->init_cb_dma);
+ mcp->mb[4] = 0;
+ mcp->mb[5] = 0;
+ mcp->mb[6] = MSW(MSD(ha->init_cb_dma));
+ mcp->mb[7] = LSW(MSD(ha->init_cb_dma));
+ mcp->mb[9] = vp_id;
+ mcp->out_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
+ mcp->in_mb = MBX_0;
+ mcp->buf_size = size;
+ mcp->flags = MBX_DMA_OUT;
+ mcp->tov = 30;
+ rval = qla2x00_mailbox_command(ha, mcp);
+
+ if (rval != QLA_SUCCESS) {
+ /*EMPTY*/
+ DEBUG2_3_11(printk("qla24xx_get_vp_entry(%ld): failed=%x "
+ "mb0=%x.\n",
+ ha->host_no, rval, mcp->mb[0]));
+ } else {
+ /*EMPTY*/
+ DEBUG11(printk("qla24xx_get_vp_entry(%ld): done.\n",
+ ha->host_no));
+ }
+
+ return rval;
+}
+
+void
+qla24xx_report_id_acquisition(scsi_qla_host_t *ha,
+ struct vp_rpt_id_entry_24xx *rptid_entry)
+{
+ uint8_t vp_idx;
+ scsi_qla_host_t *vha;
+
+ if (rptid_entry->entry_status != 0)
+ return;
+ if (rptid_entry->entry_status != __constant_cpu_to_le16(CS_COMPLETE))
+ return;
+
+ if (rptid_entry->format == 0) {
+ DEBUG15(printk("%s:format 0 : scsi(%ld) number of VPs setup %d,"
+ " number of VPs acquired %d\n", __func__, ha->host_no,
+ MSB(rptid_entry->vp_count), LSB(rptid_entry->vp_count)));
+ DEBUG15(printk("%s primary port id %02x%02x%02x\n", __func__,
+ rptid_entry->port_id[2], rptid_entry->port_id[1],
+ rptid_entry->port_id[0]));
+ } else if (rptid_entry->format == 1) {
+ vp_idx = LSB(rptid_entry->vp_idx);
+ DEBUG15(printk("%s:format 1: scsi(%ld): VP[%d] enabled "
+ "- status %d - "
+ "with port id %02x%02x%02x\n",__func__,ha->host_no,
+ vp_idx, MSB(rptid_entry->vp_idx),
+ rptid_entry->port_id[2], rptid_entry->port_id[1],
+ rptid_entry->port_id[0]));
+ if (vp_idx == 0)
+ return;
+
+ if (MSB(rptid_entry->vp_idx) == 1)
+ return;
+
+ list_for_each_entry(vha, &ha->vp_list, vp_list)
+ if (vp_idx == vha->vp_idx)
+ break;
+
+ if (!vha)
+ return;
+
+ vha->d_id.b.domain = rptid_entry->port_id[2];
+ vha->d_id.b.area = rptid_entry->port_id[1];
+ vha->d_id.b.al_pa = rptid_entry->port_id[0];
+
+ /*
+ * Cannot configure here as we are still sitting on the
+ * response queue. Handle it in dpc context.
+ */
+ set_bit(VP_IDX_ACQUIRED, &vha->vp_flags);
+ set_bit(VP_DPC_NEEDED, &ha->dpc_flags);
+
+ wake_up_process(ha->dpc_thread);
+ }
+}
+
+/*
+ * qla24xx_modify_vp_config
+ * Change VP configuration for vha
+ *
+ * Input:
+ * vha = adapter block pointer.
+ *
+ * Returns:
+ * qla2xxx local function return status code.
+ *
+ * Context:
+ * Kernel context.
+ */
+int
+qla24xx_modify_vp_config(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct vp_config_entry_24xx *vpmod;
+ dma_addr_t vpmod_dma;
+ scsi_qla_host_t *pha;
+
+ /* This can be called by the parent */
+ pha = to_qla_parent(vha);
+
+ vpmod = dma_pool_alloc(pha->s_dma_pool, GFP_KERNEL, &vpmod_dma);
+ if (!vpmod) {
+ DEBUG2_3(printk("%s(%ld): failed to allocate Modify VP "
+ "IOCB.\n", __func__, pha->host_no));
+ return QLA_MEMORY_ALLOC_FAILED;
+ }
+
+ memset(vpmod, 0, sizeof(struct vp_config_entry_24xx));
+ vpmod->entry_type = VP_CONFIG_IOCB_TYPE;
+ vpmod->entry_count = 1;
+ vpmod->command = VCT_COMMAND_MOD_ENABLE_VPS;
+ vpmod->vp_count = 1;
+ vpmod->vp_index1 = vha->vp_idx;
+ vpmod->options_idx1 = BIT_3|BIT_4|BIT_5;
+ memcpy(vpmod->node_name_idx1, vha->node_name, WWN_SIZE);
+ memcpy(vpmod->port_name_idx1, vha->port_name, WWN_SIZE);
+ vpmod->entry_count = 1;
+
+ rval = qla2x00_issue_iocb(pha, vpmod, vpmod_dma, 0);
+ if (rval != QLA_SUCCESS) {
+ DEBUG2_3_11(printk("%s(%ld): failed to issue VP config IOCB"
+ "(%x).\n", __func__, pha->host_no, rval));
+ } else if (vpmod->comp_status != 0) {
+ DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+ "-- error status (%x).\n", __func__, pha->host_no,
+ vpmod->comp_status));
+ rval = QLA_FUNCTION_FAILED;
+ } else if (vpmod->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
+ DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+ "-- completion status (%x).\n", __func__, pha->host_no,
+ le16_to_cpu(vpmod->comp_status)));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ /* EMPTY */
+ DEBUG11(printk("%s(%ld): done.\n", __func__, pha->host_no));
+ fc_vport_set_state(vha->fc_vport, FC_VPORT_INITIALIZING);
+ }
+ dma_pool_free(pha->s_dma_pool, vpmod, vpmod_dma);
+
+ return rval;
+}
+
+/*
+ * qla24xx_control_vp
+ * Enable a virtual port for given host
+ *
+ * Input:
+ * ha = adapter block pointer.
+ * vhba = virtual adapter (unused)
+ * index = index number for enabled VP
+ *
+ * Returns:
+ * qla2xxx local function return status code.
+ *
+ * Context:
+ * Kernel context.
+ */
+int
+qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
+{
+ int rval;
+ int map, pos;
+ struct vp_ctrl_entry_24xx *vce;
+ dma_addr_t vce_dma;
+ scsi_qla_host_t *ha = vha->parent;
+ int vp_index = vha->vp_idx;
+
+ DEBUG11(printk("%s(%ld): entered. Enabling index %d\n", __func__,
+ ha->host_no, vp_index));
+
+ if (vp_index == 0 || vp_index >= MAX_MULTI_ID_LOOP)
+ return QLA_PARAMETER_ERROR;
+
+ vce = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vce_dma);
+ if (!vce) {
+ DEBUG2_3(printk("%s(%ld): "
+ "failed to allocate VP Control IOCB.\n", __func__,
+ ha->host_no));
+ return QLA_MEMORY_ALLOC_FAILED;
+ }
+ memset(vce, 0, sizeof(struct vp_ctrl_entry_24xx));
+
+ vce->entry_type = VP_CTRL_IOCB_TYPE;
+ vce->entry_count = 1;
+ vce->command = cpu_to_le16(cmd);
+ vce->vp_count = __constant_cpu_to_le16(1);
+
+ /* index map in firmware starts with 1; decrement index
+ * this is ok as we never use index 0
+ */
+ map = (vp_index - 1) / 8;
+ pos = (vp_index - 1) & 7;
+ down(&ha->vport_sem);
+ vce->vp_idx_map[map] |= 1 << pos;
+ up(&ha->vport_sem);
+
+ rval = qla2x00_issue_iocb(ha, vce, vce_dma, 0);
+ if (rval != QLA_SUCCESS) {
+ DEBUG2_3_11(printk("%s(%ld): failed to issue VP control IOCB"
+ "(%x).\n", __func__, ha->host_no, rval));
+ printk("%s(%ld): failed to issue VP control IOCB"
+ "(%x).\n", __func__, ha->host_no, rval);
+ } else if (vce->entry_status != 0) {
+ DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+ "-- error status (%x).\n", __func__, ha->host_no,
+ vce->entry_status));
+ printk("%s(%ld): failed to complete IOCB "
+ "-- error status (%x).\n", __func__, ha->host_no,
+ vce->entry_status);
+ rval = QLA_FUNCTION_FAILED;
+ } else if (vce->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
+ DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+ "-- completion status (%x).\n", __func__, ha->host_no,
+ le16_to_cpu(vce->comp_status)));
+ printk("%s(%ld): failed to complete IOCB "
+ "-- completion status (%x).\n", __func__, ha->host_no,
+ le16_to_cpu(vce->comp_status));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ DEBUG2(printk("%s(%ld): done.\n", __func__, ha->host_no));
+ }
+
+ dma_pool_free(ha->s_dma_pool, vce, vce_dma);
+
+ return rval;
+}
+
+/*
+ * qla2x00_send_change_request
+ * Receive or disable RSCN request from fabric controller
+ *
+ * Input:
+ * ha = adapter block pointer
+ * format = registration format:
+ * 0 - Reserved
+ * 1 - Fabric detected registration
+ * 2 - N_port detected registration
+ * 3 - Full registration
+ * FF - clear registration
+ * vp_idx = Virtual port index
+ *
+ * Returns:
+ * qla2x00 local function return status code.
+ *
+ * Context:
+ * Kernel Context
+ */
+
+int
+qla2x00_send_change_request(scsi_qla_host_t *ha, uint16_t format,
+ uint16_t vp_idx)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+
+ /*
+ * This command is implicitly executed by firmware during login for the
+ * physical hosts
+ */
+ if (vp_idx == 0)
+ return QLA_FUNCTION_FAILED;
+
+ mcp->mb[0] = MBC_SEND_CHANGE_REQUEST;
+ mcp->mb[1] = format;
+ mcp->mb[9] = vp_idx;
+ mcp->out_mb = MBX_9|MBX_1|MBX_0;
+ mcp->in_mb = MBX_0|MBX_1;
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->flags = 0;
+ rval = qla2x00_mailbox_command(ha, mcp);
+
+ if (rval == QLA_SUCCESS) {
+ if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
+ rval = BIT_1;
+ }
+ } else
+ rval = BIT_1;
+
+ return rval;
+}