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-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h10
-rw-r--r--drivers/scsi/qla4xxx/ql4_fw.h5
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c141
-rw-r--r--drivers/scsi/qla4xxx/ql4_nx.c7
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c67
5 files changed, 195 insertions, 35 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index a80adfc6d78..fcb1dff9bc1 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -279,7 +279,8 @@ struct ql82xx_hw_data {
uint32_t flt_region_fw;
uint32_t flt_iscsi_param;
- uint32_t reserved;
+ uint32_t flt_region_chap;
+ uint32_t flt_chap_size;
};
struct qla4_8xxx_legacy_intr_set {
@@ -609,6 +610,8 @@ struct scsi_qla_host {
#define QLFLASH_READING 1
#define QLFLASH_WRITING 2
struct dma_pool *chap_dma_pool;
+ uint8_t *chap_list; /* CHAP table cache */
+ struct mutex chap_sem;
#define CHAP_DMA_BLOCK_SIZE 512
struct workqueue_struct *task_wq;
unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
@@ -671,6 +674,11 @@ static inline int is_qla4032(struct scsi_qla_host *ha)
return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
}
+static inline int is_qla40XX(struct scsi_qla_host *ha)
+{
+ return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
+}
+
static inline int is_qla8022(struct scsi_qla_host *ha)
{
return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 597875fbb24..cbd5a20dbbd 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -251,6 +251,8 @@ union external_hw_config_reg {
#define FA_BOOT_CODE_ADDR_82 0x20000
#define FA_RISC_CODE_ADDR_82 0x40000
#define FA_GOLD_RISC_CODE_ADDR_82 0x80000
+#define FA_FLASH_ISCSI_CHAP 0x540000
+#define FA_FLASH_CHAP_SIZE 0xC0000
/* Flash Description Table */
struct qla_fdt_layout {
@@ -310,6 +312,7 @@ struct qla_flt_header {
#define FLT_REG_GOLD_FW_82 0x75
#define FLT_REG_BOOT_CODE_82 0x78
#define FLT_REG_ISCSI_PARAM 0x65
+#define FLT_REG_ISCSI_CHAP 0x63
struct qla_flt_region {
uint32_t code;
@@ -681,6 +684,8 @@ struct addr_ctrl_blk_def {
#define MAX_CHAP_ENTRIES_40XX 128
#define MAX_CHAP_ENTRIES_82XX 1024
+#define MAX_RESRV_CHAP_IDX 3
+#define FLASH_CHAP_OFFSET 0x06000000
struct ql4_chap_table {
uint16_t link;
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index b60b90301a8..4c2b8487039 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1304,7 +1304,7 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
{
int ret = 0;
int rval = QLA_ERROR;
- uint32_t offset = 0;
+ uint32_t offset = 0, chap_size;
struct ql4_chap_table *chap_table;
dma_addr_t chap_dma;
@@ -1314,12 +1314,22 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
goto exit_get_chap;
}
- memset(chap_table, 0, sizeof(struct ql4_chap_table));
-
- offset = 0x06000000 | (idx * sizeof(struct ql4_chap_table));
+ chap_size = sizeof(struct ql4_chap_table);
+ memset(chap_table, 0, chap_size);
+
+ if (is_qla40XX(ha))
+ offset = FLASH_CHAP_OFFSET | (idx * chap_size);
+ else {
+ offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
+ /* flt_chap_size is CHAP table size for both ports
+ * so divide it by 2 to calculate the offset for second port
+ */
+ if (ha->port_num == 1)
+ offset += (ha->hw.flt_chap_size / 2);
+ offset += (idx * chap_size);
+ }
- rval = qla4xxx_get_flash(ha, chap_dma, offset,
- sizeof(struct ql4_chap_table));
+ rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
if (rval != QLA_SUCCESS) {
ret = -EINVAL;
goto exit_get_chap;
@@ -1366,10 +1376,16 @@ static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
- offset = 0x06000000 | (idx * sizeof(struct ql4_chap_table));
+ offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
rval = qla4xxx_set_flash(ha, chap_dma, offset,
sizeof(struct ql4_chap_table),
FLASH_OPT_RMW_COMMIT);
+
+ if (rval == QLA_SUCCESS && ha->chap_list) {
+ /* Update ha chap_list cache */
+ memcpy((struct ql4_chap_table *)ha->chap_list + idx,
+ chap_table, sizeof(struct ql4_chap_table));
+ }
dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
if (rval != QLA_SUCCESS)
ret = -EINVAL;
@@ -1378,6 +1394,83 @@ exit_set_chap:
return ret;
}
+/**
+ * qla4xxx_get_chap_index - Get chap index given username and secret
+ * @ha: pointer to adapter structure
+ * @username: CHAP username to be searched
+ * @password: CHAP password to be searched
+ * @bidi: Is this a BIDI CHAP
+ * @chap_index: CHAP index to be returned
+ *
+ * Match the username and password in the chap_list, return the index if a
+ * match is found. If a match is not found then add the entry in FLASH and
+ * return the index at which entry is written in the FLASH.
+ **/
+static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
+ char *password, int bidi, uint16_t *chap_index)
+{
+ int i, rval;
+ int free_index = -1;
+ int found_index = 0;
+ int max_chap_entries = 0;
+ struct ql4_chap_table *chap_table;
+
+ if (is_qla8022(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ if (!ha->chap_list) {
+ ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
+ return QLA_ERROR;
+ }
+
+ mutex_lock(&ha->chap_sem);
+ for (i = 0; i < max_chap_entries; i++) {
+ chap_table = (struct ql4_chap_table *)ha->chap_list + i;
+ if (chap_table->cookie !=
+ __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
+ free_index = i;
+ continue;
+ }
+ if (bidi) {
+ if (chap_table->flags & BIT_7)
+ continue;
+ } else {
+ if (chap_table->flags & BIT_6)
+ continue;
+ }
+ if (!strncmp(chap_table->secret, password,
+ MAX_CHAP_SECRET_LEN) &&
+ !strncmp(chap_table->name, username,
+ MAX_CHAP_NAME_LEN)) {
+ *chap_index = i;
+ found_index = 1;
+ break;
+ }
+ }
+
+ /* If chap entry is not present and a free index is available then
+ * write the entry in flash
+ */
+ if (!found_index && free_index != -1) {
+ rval = qla4xxx_set_chap(ha, username, password,
+ free_index, bidi);
+ if (!rval) {
+ *chap_index = free_index;
+ found_index = 1;
+ }
+ }
+
+ mutex_unlock(&ha->chap_sem);
+
+ if (found_index)
+ return QLA_SUCCESS;
+ return QLA_ERROR;
+}
+
int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
uint16_t fw_ddb_index,
uint16_t connection_id,
@@ -1490,7 +1583,6 @@ int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
uint16_t iscsi_opts = 0;
uint32_t options = 0;
uint16_t idx;
- int max_chap_entries = 0;
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
&fw_ddb_entry_dma, GFP_KERNEL);
@@ -1559,26 +1651,14 @@ int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
goto exit_set_param;
}
- if (is_qla8022(ha))
- max_chap_entries = MAX_CHAP_ENTRIES_82XX;
- else
- max_chap_entries = MAX_CHAP_ENTRIES_40XX;
/* CHAP */
if (sess->username != NULL && sess->password != NULL) {
if (strlen(sess->username) && strlen(sess->password)) {
iscsi_opts |= BIT_7;
- idx = ddb_entry->fw_ddb_index * 2;
- if (idx > max_chap_entries) {
- ql4_printk(KERN_ERR, ha,
- "%s: Invalid ddb or chap index\n",
- __func__);
- rval = -EINVAL;
- goto exit_set_param;
- }
- rval = qla4xxx_set_chap(ha, sess->username,
- sess->password, idx,
- LOCAL_CHAP);
+ rval = qla4xxx_get_chap_index(ha, sess->username,
+ sess->password,
+ LOCAL_CHAP, &idx);
if (rval)
goto exit_set_param;
@@ -1590,17 +1670,10 @@ int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
/* Check if BIDI CHAP */
if (strlen(sess->username_in) && strlen(sess->password_in)) {
iscsi_opts |= BIT_4;
- idx = (ddb_entry->fw_ddb_index * 2) + 1;
- if (idx > max_chap_entries) {
- ql4_printk(KERN_ERR, ha,
- "%s: Invalid ddb or bidi chap "
- "index\n", __func__);
- rval = -EINVAL;
- goto exit_set_param;
- }
- rval = qla4xxx_set_chap(ha, sess->username_in,
- sess->password_in, idx,
- BIDI_CHAP);
+
+ rval = qla4xxx_get_chap_index(ha, sess->username_in,
+ sess->password_in,
+ BIDI_CHAP, &idx);
if (rval)
goto exit_set_param;
}
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 84c254afac0..f484ff43819 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -2024,6 +2024,10 @@ qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr)
case FLT_REG_ISCSI_PARAM:
hw->flt_iscsi_param = start;
break;
+ case FLT_REG_ISCSI_CHAP:
+ hw->flt_region_chap = start;
+ hw->flt_chap_size = le32_to_cpu(region->size);
+ break;
}
}
goto done;
@@ -2036,6 +2040,9 @@ no_flash_data:
hw->flt_region_boot = FA_BOOT_CODE_ADDR_82;
hw->flt_region_bootload = FA_BOOT_LOAD_ADDR_82;
hw->flt_region_fw = FA_RISC_CODE_ADDR_82;
+ hw->flt_region_chap = FA_FLASH_ISCSI_CHAP;
+ hw->flt_chap_size = FA_FLASH_CHAP_SIZE;
+
done:
DEBUG2(ql4_printk(KERN_INFO, ha, "FLT[%s]: flt=0x%x fdt=0x%x "
"boot=0x%x bootload=0x%x fw=0x%x\n", loc, hw->flt_region_flt,
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index ce391d5511e..874621db4a9 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -1605,6 +1605,10 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
if (ha->chap_dma_pool)
dma_pool_destroy(ha->chap_dma_pool);
+ if (ha->chap_list)
+ vfree(ha->chap_list);
+ ha->chap_list = NULL;
+
/* release io space registers */
if (is_qla8022(ha)) {
if (ha->nx_pcibase)
@@ -3058,6 +3062,66 @@ kset_free:
return -ENOMEM;
}
+
+/**
+ * qla4xxx_create chap_list - Create CHAP list from FLASH
+ * @ha: pointer to adapter structure
+ *
+ * Read flash and make a list of CHAP entries, during login when a CHAP entry
+ * is received, it will be checked in this list. If entry exist then the CHAP
+ * entry index is set in the DDB. If CHAP entry does not exist in this list
+ * then a new entry is added in FLASH in CHAP table and the index obtained is
+ * used in the DDB.
+ **/
+static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
+{
+ int rval = 0;
+ uint8_t *chap_flash_data = NULL;
+ uint32_t offset;
+ dma_addr_t chap_dma;
+ uint32_t chap_size = 0;
+
+ if (is_qla40XX(ha))
+ chap_size = MAX_CHAP_ENTRIES_40XX *
+ sizeof(struct ql4_chap_table);
+ else /* Single region contains CHAP info for both
+ * ports which is divided into half for each port.
+ */
+ chap_size = ha->hw.flt_chap_size / 2;
+
+ chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
+ &chap_dma, GFP_KERNEL);
+ if (!chap_flash_data) {
+ ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
+ return;
+ }
+ if (is_qla40XX(ha))
+ offset = FLASH_CHAP_OFFSET;
+ else {
+ offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
+ if (ha->port_num == 1)
+ offset += chap_size;
+ }
+
+ rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
+ if (rval != QLA_SUCCESS)
+ goto exit_chap_list;
+
+ if (ha->chap_list == NULL)
+ ha->chap_list = vmalloc(chap_size);
+ if (ha->chap_list == NULL) {
+ ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
+ goto exit_chap_list;
+ }
+
+ memcpy(ha->chap_list, chap_flash_data, chap_size);
+
+exit_chap_list:
+ dma_free_coherent(&ha->pdev->dev, chap_size,
+ chap_flash_data, chap_dma);
+ return;
+}
+
/**
* qla4xxx_probe_adapter - callback function to probe HBA
* @pdev: pointer to pci_dev structure
@@ -3135,6 +3199,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
INIT_LIST_HEAD(&ha->free_srb_q);
mutex_init(&ha->mbox_sem);
+ mutex_init(&ha->chap_sem);
init_completion(&ha->mbx_intr_comp);
init_completion(&ha->disable_acb_comp);
@@ -3266,6 +3331,8 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
ha->host_no, ha->firmware_version[0], ha->firmware_version[1],
ha->patch_number, ha->build_number);
+ qla4xxx_create_chap_list(ha);
+
if (qla4xxx_setup_boot_info(ha))
ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
__func__);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-24 05:05:51 +0000