"Number of extended Logins. "
"0 (Default)- Disabled.");
-int ql2xexchoffld = 0;
-module_param(ql2xexchoffld, uint, S_IRUGO|S_IWUSR);
+int ql2xexchoffld = 1024;
+module_param(ql2xexchoffld, uint, 0644);
MODULE_PARM_DESC(ql2xexchoffld,
- "Number of exchanges to offload. "
- "0 (Default)- Disabled.");
+ "Number of target exchanges.");
+
+int ql2xiniexchg = 1024;
+module_param(ql2xiniexchg, uint, 0644);
+MODULE_PARM_DESC(ql2xiniexchg,
+ "Number of initiator exchanges.");
int ql2xfwholdabts = 0;
module_param(ql2xfwholdabts, int, S_IRUGO);
if (!ql2xexlogins)
return QLA_SUCCESS;
+ if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
+ return QLA_SUCCESS;
+
ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
max_cnt = 0;
rval = qla_get_exlogin_status(vha, &size, &max_cnt);
}
temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
- ha->exlogin_size = (size * temp);
- ql_log(ql_log_info, vha, 0xd024,
- "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
- max_cnt, size, temp);
-
- ql_log(ql_log_info, vha, 0xd025, "EXLOGIN: requested size=0x%x\n",
- ha->exlogin_size);
-
- /* Get consistent memory for extended logins */
- ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
- ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
- if (!ha->exlogin_buf) {
- ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
+ temp *= size;
+
+ if (temp != ha->exlogin_size) {
+ qla2x00_free_exlogin_buffer(ha);
+ ha->exlogin_size = temp;
+
+ ql_log(ql_log_info, vha, 0xd024,
+ "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
+ max_cnt, size, temp);
+
+ ql_log(ql_log_info, vha, 0xd025,
+ "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
+
+ /* Get consistent memory for extended logins */
+ ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
+ ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
+ if (!ha->exlogin_buf) {
+ ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
"Failed to allocate memory for exlogin_buf_dma.\n");
- return -ENOMEM;
+ return -ENOMEM;
+ }
}
/* Now configure the dma buffer */
}
}
+static void
+qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
+{
+ u32 temp;
+ *ret_cnt = FW_DEF_EXCHANGES_CNT;
+
+ if (qla_ini_mode_enabled(vha)) {
+ if (ql2xiniexchg > max_cnt)
+ ql2xiniexchg = max_cnt;
+
+ if (ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
+ *ret_cnt = ql2xiniexchg;
+ } else if (qla_tgt_mode_enabled(vha)) {
+ if (ql2xexchoffld > max_cnt)
+ ql2xexchoffld = max_cnt;
+
+ if (ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
+ *ret_cnt = ql2xexchoffld;
+ } else if (qla_dual_mode_enabled(vha)) {
+ temp = ql2xiniexchg + ql2xexchoffld;
+ if (temp > max_cnt) {
+ ql2xiniexchg -= (temp - max_cnt)/2;
+ ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
+ temp = max_cnt;
+ }
+
+ if (temp > FW_DEF_EXCHANGES_CNT)
+ *ret_cnt = temp;
+ }
+}
+
int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
{
int rval;
- uint16_t size, max_cnt, temp;
+ u16 size, max_cnt;
+ u32 temp;
struct qla_hw_data *ha = vha->hw;
- /* Return if we don't need to alloacate any extended logins */
- if (!ql2xexchoffld)
+ if (!ha->flags.exchoffld_enabled)
+ return QLA_SUCCESS;
+
+ if (!IS_EXCHG_OFFLD_CAPABLE(ha))
return QLA_SUCCESS;
ql_log(ql_log_info, vha, 0xd014,
return rval;
}
- temp = (ql2xexchoffld > max_cnt) ? max_cnt : ql2xexchoffld;
- ha->exchoffld_size = (size * temp);
- ql_log(ql_log_info, vha, 0xd016,
- "Exchange offload: max_count=%d, buffers=0x%x, total=%d.\n",
- max_cnt, size, temp);
+ qla2x00_number_of_exch(vha, &temp, max_cnt);
+ temp *= size;
- ql_log(ql_log_info, vha, 0xd017,
- "Exchange Buffers requested size = 0x%x\n", ha->exchoffld_size);
-
- /* Get consistent memory for extended logins */
- ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
- ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
- if (!ha->exchoffld_buf) {
- ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
- "Failed to allocate memory for exchoffld_buf_dma.\n");
- return -ENOMEM;
+ if (temp != ha->exchoffld_size) {
+ qla2x00_free_exchoffld_buffer(ha);
+ ha->exchoffld_size = temp;
+
+ ql_log(ql_log_info, vha, 0xd016,
+ "Exchange offload: max_count=%d, buffers=0x%x, total=%d.\n",
+ max_cnt, size, temp);
+
+ ql_log(ql_log_info, vha, 0xd017,
+ "Exchange Buffers requested size = 0x%x\n",
+ ha->exchoffld_size);
+
+ /* Get consistent memory for extended logins */
+ ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
+ ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
+ if (!ha->exchoffld_buf) {
+ ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
+ "Failed to allocate memory for exchoffld_buf_dma.\n");
+ return -ENOMEM;
+ }
}
/* Now configure the dma buffer */
- rval = qla_set_exchoffld_mem_cfg(vha, ha->exchoffld_buf_dma);
+ rval = qla_set_exchoffld_mem_cfg(vha);
if (rval) {
ql_log(ql_log_fatal, vha, 0xd02e,
"Setup exchange offload buffer ****FAILED****.\n");
qla2x00_free_exchoffld_buffer(ha);
+ } else {
+ /* re-adjust number of target exchange */
+ struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
+
+ if (qla_ini_mode_enabled(vha))
+ icb->exchange_count = 0;
+ else
+ icb->exchange_count = cpu_to_le16(ql2xexchoffld);
}
return rval;
"when ready "
"\"enabled\" (default) - initiator mode will always stay enabled.");
-static int ql_dm_tgt_ex_pct = 50;
+static int ql_dm_tgt_ex_pct = 0;
module_param(ql_dm_tgt_ex_pct, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql_dm_tgt_ex_pct,
"For Dual Mode (qlini_mode=dual), this parameter determines "
qlt_24xx_config_nvram_stage1(struct scsi_qla_host *vha, struct nvram_24xx *nv)
{
struct qla_hw_data *ha = vha->hw;
- u32 tmp;
- u16 t;
+
+ if (!QLA_TGT_MODE_ENABLED())
+ return;
if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
if (!ha->tgt.saved_set) {
ha->tgt.saved_set = 1;
}
- if (qla_tgt_mode_enabled(vha)) {
+ if (qla_tgt_mode_enabled(vha))
nv->exchange_count = cpu_to_le16(0xFFFF);
- } else { /* dual */
- if (ql_dm_tgt_ex_pct > 100) {
- ql_dm_tgt_ex_pct = 50;
- } else if (ql_dm_tgt_ex_pct == 100) {
- /* leave some for FW */
- ql_dm_tgt_ex_pct = 95;
- }
-
- tmp = ha->orig_fw_xcb_count * ql_dm_tgt_ex_pct;
- tmp = tmp/100;
- if (tmp > 0xffff)
- tmp = 0xffff;
-
- t = tmp & 0xffff;
- nv->exchange_count = cpu_to_le16(t);
- }
+ else /* dual */
+ nv->exchange_count = cpu_to_le16(ql2xexchoffld);
/* Enable target mode */
nv->firmware_options_1 |= cpu_to_le32(BIT_4);
qlt_81xx_config_nvram_stage1(struct scsi_qla_host *vha, struct nvram_81xx *nv)
{
struct qla_hw_data *ha = vha->hw;
- u32 tmp;
- u16 t;
if (!QLA_TGT_MODE_ENABLED())
return;
ha->tgt.saved_set = 1;
}
- if (qla_tgt_mode_enabled(vha)) {
+ if (qla_tgt_mode_enabled(vha))
nv->exchange_count = cpu_to_le16(0xFFFF);
- } else { /* dual */
- if (ql_dm_tgt_ex_pct > 100) {
- ql_dm_tgt_ex_pct = 50;
- } else if (ql_dm_tgt_ex_pct == 100) {
- /* leave some for FW */
- ql_dm_tgt_ex_pct = 95;
- }
-
- tmp = ha->orig_fw_xcb_count * ql_dm_tgt_ex_pct;
- tmp = tmp/100;
- if (tmp > 0xffff)
- tmp = 0xffff;
- t = tmp & 0xffff;
- nv->exchange_count = cpu_to_le16(t);
- }
+ else /* dual */
+ nv->exchange_count = cpu_to_le16(ql2xexchoffld);
/* Enable target mode */
nv->firmware_options_1 |= cpu_to_le32(BIT_4);
projects / platform / kernel / linux-rpi.git / commitdiff