Signed-off-by: Vikas Chaudhary <Vikas Chaudhary@xxxxxxxxxx>
Signed-off-by: Karen Higgins <karen.higgins@xxxxxxxxxx>
Signed-off-by: Ravi Anand <ravi.anand@xxxxxxxxxx>
---
drivers/scsi/qla4xxx/Kconfig | 8 +-
drivers/scsi/qla4xxx/Makefile | 2 +-
drivers/scsi/qla4xxx/ql4_def.h | 141 +++-
drivers/scsi/qla4xxx/ql4_fw.h | 139 +++-
drivers/scsi/qla4xxx/ql4_glbl.h | 106 ++-
drivers/scsi/qla4xxx/ql4_init.c | 135 ++-
drivers/scsi/qla4xxx/ql4_inline.h | 2 +-
drivers/scsi/qla4xxx/ql4_iocb.c | 73 ++-
drivers/scsi/qla4xxx/ql4_isr.c | 388 ++++++-
drivers/scsi/qla4xxx/ql4_mbx.c | 171 ++-
drivers/scsi/qla4xxx/ql4_nvram.c | 2 +-
drivers/scsi/qla4xxx/ql4_nvram.h | 10 +-
drivers/scsi/qla4xxx/ql4_nx.c | 2317 +++++++++++++++++++++++++++++++++++++
drivers/scsi/qla4xxx/ql4_nx.h | 779 +++++++++++++
drivers/scsi/qla4xxx/ql4_os.c | 678 +++++++++---
15 files changed, 4593 insertions(+), 358 deletions(-)
create mode 100644 drivers/scsi/qla4xxx/ql4_nx.c
create mode 100644 drivers/scsi/qla4xxx/ql4_nx.h
diff --git a/drivers/scsi/qla4xxx/Kconfig b/drivers/scsi/qla4xxx/Kconfig
index 69cbff3..2c33ce6 100644
--- a/drivers/scsi/qla4xxx/Kconfig
+++ b/drivers/scsi/qla4xxx/Kconfig
@@ -1,7 +1,7 @@
config SCSI_QLA_ISCSI
- tristate "QLogic ISP4XXX host adapter family support"
- depends on PCI && SCSI && NET
+ tristate "QLogic ISP4XXX and ISP82XX host adapter family support"
+ depends on PCI && SCSI
select SCSI_ISCSI_ATTRS
---help---
- This driver supports the QLogic 40xx (ISP4XXX) iSCSI host
- adapter family.
+ This driver supports the QLogic 40xx (ISP4XXX) and 8022 (ISP82XX)
+ iSCSI host adapter family.
diff --git a/drivers/scsi/qla4xxx/Makefile b/drivers/scsi/qla4xxx/Makefile
index 86ea37b..0339ff0 100644
--- a/drivers/scsi/qla4xxx/Makefile
+++ b/drivers/scsi/qla4xxx/Makefile
@@ -1,5 +1,5 @@
qla4xxx-y := ql4_os.o ql4_init.o ql4_mbx.o ql4_iocb.o ql4_isr.o \
- ql4_nvram.o ql4_dbg.o
+ ql4_nx.o ql4_nvram.o ql4_dbg.o
obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx.o
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index b47ded2..f28e822 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -33,6 +33,8 @@
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_iscsi.h>
+#include "ql4_dbg.h"
+#include "ql4_nx.h"
#ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
#define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010
@@ -46,6 +48,10 @@
#define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032
#endif
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
+#define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022
+#endif
+
#define QLA_SUCCESS 0
#define QLA_ERROR 1
@@ -85,15 +91,22 @@
#define BIT_30 0x40000000
#define BIT_31 0x80000000
+/**
+ * Macros to help code, maintain, etc.
+ **/
+#define ql4_printk(level, ha, format, arg...) \
+ dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
+
+
/*
* Host adapter default definitions
***********************************/
#define MAX_HBAS 16
#define MAX_BUSES 1
-#define MAX_TARGETS (MAX_PRST_DEV_DB_ENTRIES + MAX_DEV_DB_ENTRIES)
+#define MAX_TARGETS MAX_DEV_DB_ENTRIES
#define MAX_LUNS 0xffff
#define MAX_AEN_ENTRIES 256 /* should be > EXT_DEF_MAX_AEN_QUEUE */
-#define MAX_DDB_ENTRIES (MAX_PRST_DEV_DB_ENTRIES + MAX_DEV_DB_ENTRIES)
+#define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES
#define MAX_PDU_ENTRIES 32
#define INVALID_ENTRY 0xFFFF
#define MAX_CMDS_TO_RISC 1024
@@ -134,7 +147,7 @@
#define SOFT_RESET_TOV 30
#define RESET_INTR_TOV 3
#define SEMAPHORE_TOV 10
-#define ADAPTER_INIT_TOV 120
+#define ADAPTER_INIT_TOV 30
#define ADAPTER_RESET_TOV 180
#define EXTEND_CMD_TOV 60
#define WAIT_CMD_TOV 30
@@ -184,8 +197,6 @@ struct srb {
uint16_t iocb_tov;
uint16_t iocb_cnt; /* Number of used iocbs */
uint16_t cc_stat;
- u_long r_start; /* Time we recieve a cmd from OS */
- u_long u_start; /* Time when we handed the cmd to F/W */
/* Used for extended sense / status continuation */
uint8_t *req_sense_ptr;
@@ -221,7 +232,6 @@ struct ddb_entry {
unsigned long dev_scan_wait_to_start_relogin;
unsigned long dev_scan_wait_to_complete_relogin;
- uint16_t os_target_id; /* Target ID */
uint16_t fw_ddb_index; /* DDB firmware index */
uint16_t options;
uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */
@@ -285,6 +295,67 @@ struct ddb_entry {
#include "ql4_fw.h"
#include "ql4_nvram.h"
+struct ql82xx_hw_data {
+ /* Offsets for flash/nvram access (set to ~0 if not used). */
+ uint32_t flash_conf_off;
+ uint32_t flash_data_off;
+
+ uint32_t fdt_wrt_disable;
+ uint32_t fdt_erase_cmd;
+ uint32_t fdt_block_size;
+ uint32_t fdt_unprotect_sec_cmd;
+ uint32_t fdt_protect_sec_cmd;
+
+ uint32_t flt_region_flt;
+ uint32_t flt_region_fdt;
+ uint32_t flt_region_boot;
+ uint32_t flt_region_bootload;
+ uint32_t flt_region_fw;
+ uint32_t reserved;
+};
+
+struct qla82xx_legacy_intr_set {
+ uint32_t int_vec_bit;
+ uint32_t tgt_status_reg;
+ uint32_t tgt_mask_reg;
+ uint32_t pci_int_reg;
+};
+
+/* MSI-X Support */
+
+#define QLA_MSIX_DEFAULT 0x00
+#define QLA_MSIX_RSP_Q 0x01
+
+#define QLA_MSIX_ENTRIES 2
+#define QLA_MIDX_DEFAULT 0
+#define QLA_MIDX_RSP_Q 1
+
+struct ql4_msix_entry {
+ int have_irq;
+ uint16_t msix_vector;
+ uint16_t msix_entry;
+};
+
+/*
+ * ISP Operations
+ */
+struct isp_operations {
+ int (*iospace_config) (struct scsi_qla_host *ha);
+ void (*pci_config) (struct scsi_qla_host *);
+ void (*disable_intrs) (struct scsi_qla_host *);
+ void (*enable_intrs) (struct scsi_qla_host *);
+ int (*start_firmware) (struct scsi_qla_host *);
+ irqreturn_t (*intr_handler) (int , void *);
+ void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
+ int (*reset_chip) (struct scsi_qla_host *);
+ int (*reset_firmware) (struct scsi_qla_host *);
+ void (*queue_iocb) (struct scsi_qla_host *);
+ void (*complete_iocb) (struct scsi_qla_host *);
+ uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
+ uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
+ int (*get_sys_info) (struct scsi_qla_host *);
+};
+
/*
* Linux Host Adapter structure
*/
@@ -296,28 +367,39 @@ struct scsi_qla_host {
#define AF_INIT_DONE 1 /* 0x00000002 */
#define AF_MBOX_COMMAND 2 /* 0x00000004 */
#define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */
+#define AF_DPC_SCHEDULED 5 /* 0x00000020 */
#define AF_INTERRUPTS_ON 6 /* 0x00000040 */
#define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
#define AF_LINK_UP 8 /* 0x00000100 */
#define AF_IRQ_ATTACHED 10 /* 0x00000400 */
#define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */
+#define AF_HBA_GOING_AWAY 12 /* 0x00001000 */
+#define AF_INTx_ENABLED 15 /* 0x00008000 */
+#define AF_MSI_ENABLED 16 /* 0x00010000 */
+#define AF_MSIX_ENABLED 17 /* 0x00020000 */
+#define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */
+
unsigned long dpc_flags;
#define DPC_RESET_HA 1 /* 0x00000002 */
#define DPC_RETRY_RESET_HA 2 /* 0x00000004 */
#define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */
-#define DPC_RESET_HA_DESTROY_DDB_LIST 4 /* 0x00000010 */
+#define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */
#define DPC_RESET_HA_INTR 5 /* 0x00000020 */
#define DPC_ISNS_RESTART 7 /* 0x00000080 */
#define DPC_AEN 9 /* 0x00000200 */
#define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */
#define DPC_LINK_CHANGED 18 /* 0x00040000 */
+#define DPC_RESET_ACTIVE 20 /* 0x00040000 */
+#define DPC_HA_UNRECOVERABLE 21 /* 0x00080000 ISP-82xx only*/
+#define DPC_HA_NEED_QUIESCENT 22 /* 0x00100000 ISP-82xx only*/
+
struct Scsi_Host *host; /* pointer to host data */
uint32_t tot_ddbs;
- uint16_t iocb_cnt;
+ uint16_t iocb_cnt;
/* SRB cache. */
#define SRB_MIN_REQ 128
@@ -332,14 +414,13 @@ struct scsi_qla_host {
#define MIN_IOBASE_LEN 0x100
uint16_t req_q_count;
- uint8_t rsvd1[2];
unsigned long host_no;
/* NVRAM registers */
struct eeprom_data *nvram;
spinlock_t hardware_lock ____cacheline_aligned;
- uint32_t eeprom_cmd_data;
+ uint32_t eeprom_cmd_data;
/* Counters for general statistics */
uint64_t isr_count;
@@ -375,7 +456,6 @@ struct scsi_qla_host {
uint8_t alias[32];
uint8_t name_string[256];
uint8_t heartbeat_interval;
- uint8_t rsvd;
/* --- From FlashSysInfo --- */
uint8_t my_mac[MAC_ADDR_LEN];
@@ -468,6 +548,40 @@ struct scsi_qla_host {
struct in6_addr ipv6_addr0;
struct in6_addr ipv6_addr1;
struct in6_addr ipv6_default_router_addr;
+
+ /* qla82xx specific fields */
+ struct device_reg_82xx __iomem *qla82xx_reg; /* Base I/O address */
+ unsigned long nx_pcibase; /* Base I/O address */
+ uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */
+ unsigned long nx_db_wr_ptr; /* Door bell write pointer */
+ unsigned long first_page_group_start;
+ unsigned long first_page_group_end;
+
+ uint32_t crb_win;
+ uint32_t curr_window;
+ uint32_t ddr_mn_window;
+ unsigned long mn_win_crb;
+ unsigned long ms_win_crb;
+ int qdr_sn_window;
+ rwlock_t hw_lock;
+ uint16_t func_num;
+ int link_width;
+
+ struct qla82xx_legacy_intr_set nx_legacy_intr;
+ u32 nx_crb_mask;
+
+ uint8_t revision_id;
+ uint32_t fw_heartbeat_counter;
+
+ struct isp_operations *isp_ops;
+ struct ql82xx_hw_data hw;
+
+ struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES];
+
+ uint32_t nx_dev_init_timeout;
+ uint32_t nx_reset_timeout;
+
+ struct completion mbx_intr_comp;
};
static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
@@ -495,6 +609,11 @@ static inline int is_qla4032(struct scsi_qla_host *ha)
return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
}
+static inline int is_qla8022(struct scsi_qla_host *ha)
+{
+ return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
+}
+
static inline int adapter_up(struct scsi_qla_host *ha)
{
return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 855226e..c94c9dd 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -11,7 +11,7 @@
#define MAX_PRST_DEV_DB_ENTRIES 64
#define MIN_DISC_DEV_DB_ENTRY MAX_PRST_DEV_DB_ENTRIES
-#define MAX_DEV_DB_ENTRIES 512
+#define MAX_DEV_DB_ENTRIES 512
/*************************************************************************
*
@@ -37,6 +37,33 @@ struct host_mem_cfg_regs {
__le32 rsrvd1[31]; /* 0x84-0xFF */
};
+/*
+ * ISP 82xx I/O Register Set structure definitions.
+ */
+struct device_reg_82xx {
+ __le32 req_q_out; /* 0x0000 (R): Request Queue out-Pointer. */
+ __le32 reserve1[63]; /* Request Queue out-Pointer. (64 * 4) */
+ __le32 rsp_q_in; /* 0x0100 (R/W): Response Queue In-Pointer. */
+ __le32 reserve2[63]; /* Response Queue In-Pointer. */
+ __le32 rsp_q_out; /* 0x0200 (R/W): Response Queue Out-Pointer. */
+ __le32 reserve3[63]; /* Response Queue Out-Pointer. */
+
+ __le32 mailbox_in[8]; /* 0x0300 (R/W): Mail box In registers */
+ __le32 reserve4[24];
+ __le32 hint; /* 0x0380 (R/W): Host interrupt register */
+#define HINT_MBX_INT_PENDING BIT_0
+ __le32 reserve5[31];
+ __le32 mailbox_out[8]; /* 0x0400 (R): Mail box Out registers */
+ __le32 reserve6[56];
+
+ __le32 host_status; /* Offset 0x500 (R): host status */
+#define HSRX_RISC_MB_INT BIT_0 /* RISC to Host Mailbox interrupt */
+#define HSRX_RISC_IOCB_INT BIT_1 /* RISC to Host IOCB interrupt */
+
+ __le32 host_int; /* Offset 0x0504 (R/W): Interrupt status. */
+#define ISRX_82XX_RISC_INT BIT_0 /* RISC interrupt. */
+};
+
/* remote register set (access via PCI memory read/write) */
struct isp_reg {
#define MBOX_REG_COUNT 8
@@ -206,6 +233,79 @@ union external_hw_config_reg {
uint32_t Asuint32_t;
};
+/* 82XX Support start */
+/* 82xx Default FLT Addresses */
+#define FA_FLASH_LAYOUT_ADDR_82 0xFC400
+#define FA_FLASH_DESCR_ADDR_82 0xFC000
+#define FA_BOOT_LOAD_ADDR_82 0x04000
+#define FA_BOOT_CODE_ADDR_82 0x20000
+#define FA_RISC_CODE_ADDR_82 0x40000
+#define FA_GOLD_RISC_CODE_ADDR_82 0x80000
+
+/* Flash Description Table */
+struct qla_fdt_layout {
+ uint8_t sig[4];
+ uint16_t version;
+ uint16_t len;
+ uint16_t checksum;
+ uint8_t unused1[2];
+ uint8_t model[16];
+ uint16_t man_id;
+ uint16_t id;
+ uint8_t flags;
+ uint8_t erase_cmd;
+ uint8_t alt_erase_cmd;
+ uint8_t wrt_enable_cmd;
+ uint8_t wrt_enable_bits;
+ uint8_t wrt_sts_reg_cmd;
+ uint8_t unprotect_sec_cmd;
+ uint8_t read_man_id_cmd;
+ uint32_t block_size;
+ uint32_t alt_block_size;
+ uint32_t flash_size;
+ uint32_t wrt_enable_data;
+ uint8_t read_id_addr_len;
+ uint8_t wrt_disable_bits;
+ uint8_t read_dev_id_len;
+ uint8_t chip_erase_cmd;
+ uint16_t read_timeout;
+ uint8_t protect_sec_cmd;
+ uint8_t unused2[65];
+};
+
+/* Flash Layout Table */
+
+struct qla_flt_location {
+ uint8_t sig[4];
+ uint16_t start_lo;
+ uint16_t start_hi;
+ uint8_t version;
+ uint8_t unused[5];
+ uint16_t checksum;
+};
+
+struct qla_flt_header {
+ uint16_t version;
+ uint16_t length;
+ uint16_t checksum;
+ uint16_t unused;
+};
+
+/* 82xx FLT Regions */
+#define FLT_REG_FDT 0x1a
+#define FLT_REG_FLT 0x1c
+#define FLT_REG_BOOTLOAD_82 0x72
+#define FLT_REG_FW_82 0x74
+#define FLT_REG_GOLD_FW_82 0x75
+#define FLT_REG_BOOT_CODE_82 0x78
+
+struct qla_flt_region {
+ uint32_t code;
+ uint32_t size;
+ uint32_t start;
+ uint32_t end;
+};
+
/*************************************************************************
*
* Mailbox Commands Structures and Definitions
@@ -215,6 +315,10 @@ union external_hw_config_reg {
/* Mailbox command definitions */
#define MBOX_CMD_ABOUT_FW 0x0009
#define MBOX_CMD_PING 0x000B
+#define MBOX_CMD_ENABLE_INTRS 0x0010
+#define INTR_DISABLE 0
+#define INTR_ENABLE 1
+#define MBOX_CMD_STOP_FW 0x0014
#define MBOX_CMD_ABORT_TASK 0x0015
#define MBOX_CMD_LUN_RESET 0x0016
#define MBOX_CMD_TARGET_WARM_RESET 0x0017
@@ -243,6 +347,7 @@ union external_hw_config_reg {
#define DDB_DS_LOGIN_IN_PROCESS 0x07
#define MBOX_CMD_GET_FW_STATE 0x0069
#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A
+#define MBOX_CMD_GET_SYS_INFO 0x0078
#define MBOX_CMD_RESTORE_FACTORY_DEFAULTS 0x0087
#define MBOX_CMD_SET_ACB 0x0088
#define MBOX_CMD_GET_ACB 0x0089
@@ -318,6 +423,15 @@ union external_hw_config_reg {
#define MBOX_ASTS_IPSEC_SYSTEM_FATAL_ERROR 0x8022
#define MBOX_ASTS_SUBNET_STATE_CHANGE 0x8027
+/* ACB State Defines */
+#define ACB_STATE_UNCONFIGURED 0x00
+#define ACB_STATE_INVALID 0x01
+#define ACB_STATE_ACQUIRING 0x02
+#define ACB_STATE_TENTATIVE 0x03
+#define ACB_STATE_DEPRICATED 0x04
+#define ACB_STATE_VALID 0x05
+#define ACB_STATE_DISABLING 0x06
+
/*************************************************************************/
/* Host Adapter Initialization Control Block (from host) */
@@ -558,6 +672,20 @@ struct flash_sys_info {
uint32_t reserved1[39]; /* 170-1ff */
}; /* 200 */
+struct mbx_sys_info {
+ uint8_t board_id_str[16]; /* Keep board ID string first */
+ /* in this structure for GUI. */
+ uint16_t board_id; /* board ID code */
+ uint16_t phys_port_cnt; /* number of physical network ports */
+ uint16_t port_num; /* network port for this PCI function */
+ /* (port 0 is first port) */
+ uint8_t mac_addr[6]; /* MAC address for this PCI function */
+ uint32_t iscsi_pci_func_cnt; /* number of iSCSI PCI functions */
+ uint32_t pci_func; /* this PCI function */
+ unsigned char serial_number[16]; /* serial number string */
+ uint8_t reserved[16];
+};
+
struct crash_record {
uint16_t fw_major_version; /* 00 - 01 */
uint16_t fw_minor_version; /* 02 - 03 */
@@ -814,4 +942,13 @@ struct passthru_status {
uint8_t res4[16]; /* 30-3F */
};
+/*
+ * ISP queue - response queue entry definition.
+ */
+struct response {
+ uint8_t data[60];
+ uint32_t signature;
+#define RESPONSE_PROCESSED 0xDEADDEAD /* Signature */
+};
+
#endif /* _QLA4X_FW_H */
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index c4636f6..e2114eb 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -10,31 +10,32 @@
struct iscsi_cls_conn;
-void qla4xxx_hw_reset(struct scsi_qla_host *ha);
+int qla4xxx_hw_reset(struct scsi_qla_host *ha);
int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a);
int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port);
-int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb);
-int qla4xxx_initialize_adapter(struct scsi_qla_host * ha,
+int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb *srb);
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
uint8_t renew_ddb_list);
int qla4xxx_soft_reset(struct scsi_qla_host *ha);
irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id);
-void qla4xxx_free_ddb_list(struct scsi_qla_host * ha);
-void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen);
+void qla4xxx_free_ddb_list(struct scsi_qla_host *ha);
+void qla4xxx_free_ddb(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry);
+void qla4xxx_process_aen(struct scsi_qla_host *ha, uint8_t process_aen);
-int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha);
-int qla4xxx_relogin_device(struct scsi_qla_host * ha,
- struct ddb_entry * ddb_entry);
+int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host *ha);
+int qla4xxx_relogin_device(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry);
int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb);
-int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
+int qla4xxx_reset_lun(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry,
int lun);
-int qla4xxx_reset_target(struct scsi_qla_host * ha,
- struct ddb_entry * ddb_entry);
-int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
+int qla4xxx_reset_target(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry);
+int qla4xxx_get_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
uint32_t offset, uint32_t len);
-int qla4xxx_get_firmware_status(struct scsi_qla_host * ha);
-int qla4xxx_get_firmware_state(struct scsi_qla_host * ha);
-int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha);
+int qla4xxx_get_firmware_status(struct scsi_qla_host *ha);
+int qla4xxx_get_firmware_state(struct scsi_qla_host *ha);
+int qla4xxx_initialize_fw_cb(struct scsi_qla_host *ha);
/* FIXME: Goodness! this really wants a small struct to hold the
* parameters. On x86 the args will get passed on the stack! */
@@ -54,20 +55,20 @@ int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry);
-u16 rd_nvram_word(struct scsi_qla_host * ha, int offset);
-void qla4xxx_get_crash_record(struct scsi_qla_host * ha);
+u16 rd_nvram_word(struct scsi_qla_host *ha, int offset);
+void qla4xxx_get_crash_record(struct scsi_qla_host *ha);
struct ddb_entry *qla4xxx_alloc_sess(struct scsi_qla_host *ha);
int qla4xxx_add_sess(struct ddb_entry *);
void qla4xxx_destroy_sess(struct ddb_entry *ddb_entry);
-int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host * ha);
+int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host *ha);
int qla4xxx_get_fw_version(struct scsi_qla_host * ha);
-void qla4xxx_interrupt_service_routine(struct scsi_qla_host * ha,
+void qla4xxx_interrupt_service_routine(struct scsi_qla_host *ha,
uint32_t intr_status);
-int qla4xxx_init_rings(struct scsi_qla_host * ha);
-struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
- uint32_t index);
+int qla4xxx_init_rings(struct scsi_qla_host *ha);
void qla4xxx_srb_compl(struct kref *ref);
-int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host * ha);
+struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
+ uint32_t index);
+int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha);
int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
uint32_t state, uint32_t conn_error);
void qla4xxx_dump_buffer(void *b, uint32_t size);
@@ -75,8 +76,65 @@ int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod);
int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err);
+int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
+ uint8_t outCount, uint32_t *mbx_cmd, uint32_t *mbx_sts);
+
+void qla4xxx_queue_iocb(struct scsi_qla_host *ha);
+void qla4xxx_complete_iocb(struct scsi_qla_host *ha);
+int qla4xxx_get_sys_info(struct scsi_qla_host *ha);
+int qla4xxx_iospace_config(struct scsi_qla_host *ha);
+void qla4xxx_pci_config(struct scsi_qla_host *ha);
+int qla4xxx_start_firmware(struct scsi_qla_host *ha);
+irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id);
+uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha);
+uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha);
+int qla4xxx_request_irqs(struct scsi_qla_host *ha);
+void qla4xxx_free_irqs(struct scsi_qla_host *ha);
+void qla4xxx_process_response_queue(struct scsi_qla_host *ha);
+void qla4xxx_wake_dpc(struct scsi_qla_host *ha);
+void qla4xxx_get_conn_event_log(struct scsi_qla_host *ha);
+
+void qla82xx_pci_config(struct scsi_qla_host *);
+int qla82xx_iospace_config(struct scsi_qla_host *ha);
+int qla82xx_load_risc(struct scsi_qla_host *);
+irqreturn_t qla82xx_intr_handler(int irq, void *dev_id);
+void qla82xx_queue_iocb(struct scsi_qla_host *ha);
+void qla82xx_complete_iocb(struct scsi_qla_host *ha);
+
+int qla82xx_crb_win_lock(struct scsi_qla_host *);
+void qla82xx_crb_win_unlock(struct scsi_qla_host *);
+int qla82xx_pci_get_crb_addr_2M(struct scsi_qla_host *, ulong *);
+void qla82xx_wr_32(struct scsi_qla_host *, ulong, u32);
+int qla82xx_rd_32(struct scsi_qla_host *, ulong);
+int qla82xx_pci_mem_read_2M(struct scsi_qla_host *, u64, void *, int);
+int qla82xx_pci_mem_write_2M(struct scsi_qla_host *ha, u64, void *, int);
+int qla82xx_isp_reset(struct scsi_qla_host *ha);
+void qla82xx_interrupt_service_routine(struct scsi_qla_host *ha,
+ uint32_t intr_status);
+uint16_t qla82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha);
+uint16_t qla82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha);
+int qla82xx_get_sys_info(struct scsi_qla_host *ha);
+void qla82xx_watchdog(struct scsi_qla_host *ha);
+int qla82xx_stop_firmware(struct scsi_qla_host *ha);
+int qla82xx_get_flash_info(struct scsi_qla_host *ha);
+void qla82xx_enable_intrs(struct scsi_qla_host *ha);
+void qla82xx_disable_intrs(struct scsi_qla_host *ha);
+int qla82xx_enable_msix(struct scsi_qla_host *ha);
+void qla82xx_disable_msix(struct scsi_qla_host *ha);
+irqreturn_t qla82xx_msi_handler(int irq, void *dev_id);
+irqreturn_t qla82xx_default_intr_handler(int irq, void *dev_id);
+irqreturn_t qla82xx_msix_rsp_q(int irq, void *dev_id);
+void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha);
+void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha);
+int qla82xx_idc_lock(struct scsi_qla_host *ha);
+void qla82xx_idc_unlock(struct scsi_qla_host *ha);
+int qla82xx_device_state_handler(struct scsi_qla_host *ha);
+void qla82xx_need_qsnt_handler(struct scsi_qla_host *ha);
+void qla82xx_clear_drv_active(struct scsi_qla_host *ha);
+
extern int ql4xextended_error_logging;
extern int ql4xdiscoverywait;
extern int ql4xdontresethba;
-extern int ql4_mod_unload;
+extern int ql4xenablemsix;
+
#endif /* _QLA4x_GBL_H */
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 8cca167..4d1e108 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -11,8 +11,8 @@
#include "ql4_dbg.h"
#include "ql4_inline.h"
-static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
- uint32_t fw_ddb_index);
+static struct ddb_entry *qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
+ uint32_t fw_ddb_index);
static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
{
@@ -51,8 +51,8 @@ static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
* This routine deallocates and unlinks the specified ddb_entry from the
* adapter's
**/
-static void qla4xxx_free_ddb(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry)
+void qla4xxx_free_ddb(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry)
{
/* Remove device entry from list */
list_del_init(&ddb_entry->list);
@@ -86,6 +86,25 @@ void qla4xxx_free_ddb_list(struct scsi_qla_host *ha)
}
/**
+ * qla4xxx_init_response_q_entries() - Initializes response queue entries.
+ * @ha: HA context
+ *
+ * Beginning of request ring has initialization control block already built
+ * by nvram config routine.
+ **/
+static void qla4xxx_init_response_q_entries(struct scsi_qla_host *ha)
+{
+ uint16_t cnt;
+ struct response *pkt;
+
+ pkt = (struct response *)ha->response_ptr;
+ for (cnt = 0; cnt < RESPONSE_QUEUE_DEPTH; cnt++) {
+ pkt->signature = RESPONSE_PROCESSED;
+ pkt++;
+ }
+}
+
+/**
* qla4xxx_init_rings - initialize hw queues
* @ha: pointer to host adapter structure.
*
@@ -109,19 +128,30 @@ int qla4xxx_init_rings(struct scsi_qla_host *ha)
ha->response_out = 0;
ha->response_ptr = &ha->response_ring[ha->response_out];
- /*
- * Initialize DMA Shadow registers. The firmware is really supposed to
- * take care of this, but on some uniprocessor systems, the shadow
- * registers aren't cleared-- causing the interrupt_handler to think
- * there are responses to be processed when there aren't.
- */
- ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0);
- ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0);
- wmb();
+ if (is_qla8022(ha)) {
+ writel(0,
+ (unsigned long __iomem *)&ha->qla82xx_reg->req_q_out);
+ writel(0, (unsigned long __iomem *)&ha->qla82xx_reg->rsp_q_in);
+ writel(0,
+ (unsigned long __iomem *)&ha->qla82xx_reg->rsp_q_out);
+ } else {
+ /*
+ * Initialize DMA Shadow registers. The firmware is really
+ * supposed to take care of this, but on some uniprocessor
+ * systems, the shadow registers aren't cleared-- causing
+ * the interrupt_handler to think there are responses to be
+ * processed when there aren't.
+ */
+ ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0);
+ ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0);
+ wmb();
- writel(0, &ha->reg->req_q_in);
- writel(0, &ha->reg->rsp_q_out);
- readl(&ha->reg->rsp_q_out);
+ writel(0, &ha->reg->req_q_in);
+ writel(0, &ha->reg->rsp_q_out);
+ readl(&ha->reg->rsp_q_out);
+ }
+
+ qla4xxx_init_response_q_entries(ha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -129,11 +159,11 @@ int qla4xxx_init_rings(struct scsi_qla_host *ha)
}
/**
- * qla4xxx_validate_mac_address - validate adapter MAC address(es)
+ * qla4xxx_get_sys_info - validate adapter MAC address(es)
* @ha: pointer to host adapter structure.
*
**/
-static int qla4xxx_validate_mac_address(struct scsi_qla_host *ha)
+int qla4xxx_get_sys_info(struct scsi_qla_host *ha)
{
struct flash_sys_info *sys_info;
dma_addr_t sys_info_dma;
@@ -145,7 +175,7 @@ static int qla4xxx_validate_mac_address(struct scsi_qla_host *ha)
DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
ha->host_no, __func__));
- goto exit_validate_mac_no_free;
+ goto exit_get_sys_info_no_free;
}
memset(sys_info, 0, sizeof(*sys_info));
@@ -155,7 +185,7 @@ static int qla4xxx_validate_mac_address(struct scsi_qla_host *ha)
DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO "
"failed\n", ha->host_no, __func__));
- goto exit_validate_mac;
+ goto exit_get_sys_info;
}
/* Save M.A.C. address & serial_number */
@@ -168,11 +198,11 @@ static int qla4xxx_validate_mac_address(struct scsi_qla_host *ha)
status = QLA_SUCCESS;
- exit_validate_mac:
+exit_get_sys_info:
dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info,
sys_info_dma);
- exit_validate_mac_no_free:
+exit_get_sys_info_no_free:
return status;
}
@@ -587,21 +617,19 @@ static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha,
min(sizeof(ddb_entry->link_local_ipv6_addr),
sizeof(fw_ddb_entry->link_local_ipv6_addr)));
- DEBUG2(dev_info(&ha->pdev->dev, "%s: DDB[%d] osIdx = %d "
- "State %04x ConnErr %08x IP %pI6 "
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DDB[%d] State %04x"
+ " ConnErr %08x IP %pI6 "
":%04d \"%s\"\n",
__func__, fw_ddb_index,
- ddb_entry->os_target_id,
ddb_entry->fw_ddb_device_state,
conn_err, fw_ddb_entry->ip_addr,
le16_to_cpu(fw_ddb_entry->port),
fw_ddb_entry->iscsi_name));
} else
- DEBUG2(dev_info(&ha->pdev->dev, "%s: DDB[%d] osIdx = %d "
- "State %04x ConnErr %08x IP %pI4 "
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DDB[%d] State %04x"
+ " ConnErr %08x IP %pI4 "
":%04d \"%s\"\n",
__func__, fw_ddb_index,
- ddb_entry->os_target_id,
ddb_entry->fw_ddb_device_state,
conn_err, fw_ddb_entry->ip_addr,
le16_to_cpu(fw_ddb_entry->port),
@@ -986,7 +1014,7 @@ static int qla4xxx_initialize_ddb_list(struct scsi_qla_host *ha)
}
/**
- * qla4xxx_update_ddb_list - update the driver ddb list
+ * qla4xxx_reinitialize_ddb_list - update the driver ddb list
* @ha: pointer to host adapter structure.
*
* This routine obtains device information from the F/W database after
@@ -1030,7 +1058,7 @@ int qla4xxx_relogin_device(struct scsi_qla_host *ha,
(uint16_t)RELOGIN_TOV);
atomic_set(&ddb_entry->relogin_timer, relogin_timer);
- DEBUG2(printk("scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
+ DEBUG2(printk("scsi%ld: Relogin ddb [%d]. TOV=%d\n", ha->host_no,
ddb_entry->fw_ddb_index, relogin_timer));
qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 0);
@@ -1087,7 +1115,16 @@ static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
return QLA_SUCCESS;
}
-static void qla4x00_pci_config(struct scsi_qla_host *ha)
+/**
+ * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
+ * @ha: HA context
+ */
+void qla82xx_pci_config(struct scsi_qla_host *ha)
+{
+ pci_set_master(ha->pdev);
+}
+
+void qla4xxx_pci_config(struct scsi_qla_host *ha)
{
uint16_t w;
int status;
@@ -1218,7 +1255,7 @@ int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
* This routine performs the necessary steps to start the firmware for
* the QLA4010 adapter.
**/
-static int qla4xxx_start_firmware(struct scsi_qla_host *ha)
+int qla4xxx_start_firmware(struct scsi_qla_host *ha)
{
unsigned long flags = 0;
uint32_t mbox_status;
@@ -1297,7 +1334,8 @@ static int qla4xxx_start_firmware(struct scsi_qla_host *ha)
if (soft_reset) {
DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no,
__func__));
- status = qla4xxx_soft_reset(ha);
+ status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr
+ * lock again, but ok */
if (status == QLA_ERROR) {
DEBUG(printk("scsi%d: %s: Soft Reset failed!\n",
ha->host_no, __func__));
@@ -1318,7 +1356,6 @@ static int qla4xxx_start_firmware(struct scsi_qla_host *ha)
ql4xxx_unlock_drvr(ha);
if (status == QLA_SUCCESS) {
- qla4xxx_get_fw_version(ha);
if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags))
qla4xxx_get_crash_record(ha);
} else {
@@ -1345,18 +1382,21 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
int status = QLA_ERROR;
int8_t ip_address[IP_ADDR_LEN] = {0} ;
- clear_bit(AF_ONLINE, &ha->flags);
ha->eeprom_cmd_data = 0;
- qla4x00_pci_config(ha);
+ ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
+ ha->isp_ops->pci_config(ha);
- qla4xxx_disable_intrs(ha);
+ ha->isp_ops->disable_intrs(ha);
/* Initialize the Host adapter request/response queues and firmware */
- if (qla4xxx_start_firmware(ha) == QLA_ERROR)
+ if (ha->isp_ops->start_firmware(ha) == QLA_ERROR)
+ goto exit_init_hba;
+
+ if (qla4xxx_get_fw_version(ha) == QLA_ERROR)
goto exit_init_hba;
- if (qla4xxx_validate_mac_address(ha) == QLA_ERROR)
+ if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR)
goto exit_init_hba;
if (qla4xxx_init_local_data(ha) == QLA_ERROR)
@@ -1409,6 +1449,8 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
exit_init_online:
set_bit(AF_ONLINE, &ha->flags);
exit_init_hba:
+ DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no,
+ status == QLA_ERROR ? "FAILED" : "SUCCEDED"));
return status;
}
@@ -1558,9 +1600,20 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
atomic_set(&ddb_entry->relogin_timer, 0);
atomic_set(&ddb_entry->retry_relogin_timer,
ddb_entry->default_time2wait + 4);
+ DEBUG(printk("scsi%ld: %s: ddb[%d] "
+ "initiate relogin after %d seconds\n",
+ ha->host_no, __func__,
+ ddb_entry->fw_ddb_index,
+ ddb_entry->default_time2wait + 4));
+ } else {
+ DEBUG(printk("scsi%ld: %s: ddb[%d] "
+ "relogin not initiated, state = %d, "
+ "ddb_entry->flags = 0x%lx\n",
+ ha->host_no, __func__,
+ ddb_entry->fw_ddb_index,
+ ddb_entry->fw_ddb_device_state,
+ ddb_entry->flags));
}
}
-
return QLA_SUCCESS;
}
-
diff --git a/drivers/scsi/qla4xxx/ql4_inline.h b/drivers/scsi/qla4xxx/ql4_inline.h
index 6375eb0..9471ac7 100644
--- a/drivers/scsi/qla4xxx/ql4_inline.h
+++ b/drivers/scsi/qla4xxx/ql4_inline.h
@@ -29,7 +29,7 @@ qla4xxx_lookup_ddb_by_fw_index(struct scsi_qla_host *ha, uint32_t fw_ddb_index)
ddb_entry = ha->fw_ddb_index_map[fw_ddb_index];
}
- DEBUG3(printk("scsi%d: %s: index [%d], ddb_entry = %p\n",
+ DEBUG3(printk("scsi%d: %s: ddb [%d], ddb_entry = %p\n",
ha->host_no, __func__, fw_ddb_index, ddb_entry));
return ddb_entry;
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index e66f3f2..f557116 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -108,8 +108,7 @@ int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
wmb();
/* Tell ISP it's got a new I/O request */
- writel(ha->request_in, &ha->reg->req_q_in);
- readl(&ha->reg->req_q_in);
+ ha->isp_ops->queue_iocb(ha);
exit_send_marker:
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -194,6 +193,72 @@ static void qla4xxx_build_scsi_iocbs(struct srb *srb,
}
/**
+ * qla82xx_queue_iocb - Tell ISP it's got new request(s)
+ * @ha: pointer to host adapter structure.
+ *
+ * This routine notifies the ISP that one or more new request
+ * queue entries have been placed on the request queue.
+ **/
+void qla82xx_queue_iocb(struct scsi_qla_host *ha)
+{
+ uint32_t dbval = 0;
+ unsigned long wtime;
+
+ dbval = 0x14 | (ha->func_num << 5);
+ dbval = dbval | (0 << 8) | (ha->request_in << 16);
+ writel(dbval, (unsigned long __iomem *)ha->nx_db_wr_ptr);
+ wmb();
+
+ wtime = jiffies + (2 * HZ);
+ while (readl((void __iomem *)ha->nx_db_rd_ptr) != dbval &&
+ !time_after_eq(jiffies, wtime)) {
+ writel(dbval, (unsigned long __iomem *)ha->nx_db_wr_ptr);
+ wmb();
+ }
+}
+
+/**
+ * qla82xx_complete_iocb - Tell ISP we're done with response(s)
+ * @ha: pointer to host adapter structure.
+ *
+ * This routine notifies the ISP that one or more response/completion
+ * queue entries have been processed by the driver.
+ * This also clears the interrupt.
+ **/
+void qla82xx_complete_iocb(struct scsi_qla_host *ha)
+{
+ writel(ha->response_out, &ha->qla82xx_reg->rsp_q_out);
+ readl(&ha->qla82xx_reg->rsp_q_out);
+}
+
+/**
+ * qla4xxx_queue_iocb - Tell ISP it's got new request(s)
+ * @ha: pointer to host adapter structure.
+ *
+ * This routine is notifies the ISP that one or more new request
+ * queue entries have been placed on the request queue.
+ **/
+void qla4xxx_queue_iocb(struct scsi_qla_host *ha)
+{
+ writel(ha->request_in, &ha->reg->req_q_in);
+ readl(&ha->reg->req_q_in);
+}
+
+/**
+ * qla4xxx_complete_iocb - Tell ISP we're done with response(s)
+ * @ha: pointer to host adapter structure.
+ *
+ * This routine is notifies the ISP that one or more response/completion
+ * queue entries have been processed by the driver.
+ * This also clears the interrupt.
+ **/
+void qla4xxx_complete_iocb(struct scsi_qla_host *ha)
+{
+ writel(ha->response_out, &ha->reg->rsp_q_out);
+ readl(&ha->reg->rsp_q_out);
+}
+
+/**
* qla4xxx_send_command_to_isp - issues command to HBA
* @ha: pointer to host adapter structure.
* @srb: pointer to SCSI Request Block to be sent to ISP
@@ -310,9 +375,7 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
srb->iocb_cnt = req_cnt;
ha->req_q_count -= req_cnt;
- /* Debug print statements */
- writel(ha->request_in, &ha->reg->req_q_in);
- readl(&ha->reg->req_q_in);
+ ha->isp_ops->queue_iocb(ha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return QLA_SUCCESS;
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 596c303..6f80c13 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -118,7 +118,6 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
srb = qla4xxx_del_from_active_array(ha, le32_to_cpu(sts_entry->handle));
if (!srb) {
- /* FIXMEdg: Don't we need to reset ISP in this case??? */
DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Status Entry invalid "
"handle 0x%x, sp=%p. This cmd may have already "
"been completed.\n", ha->host_no, __func__,
@@ -293,6 +292,10 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
case SCS_DEVICE_LOGGED_OUT:
case SCS_DEVICE_UNAVAILABLE:
+ DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%d: SCS_DEVICE "
+ "state: 0x%x\n", ha->host_no,
+ cmd->device->channel, cmd->device->id,
+ cmd->device->lun, sts_entry->completionStatus));
/*
* Mark device missing so that we won't continue to
* send I/O to this device. We should get a ddb
@@ -339,16 +342,14 @@ status_entry_exit:
* This routine process response queue completions in interrupt context.
* Hardware_lock locked upon entry
**/
-static void qla4xxx_process_response_queue(struct scsi_qla_host * ha)
+void qla4xxx_process_response_queue(struct scsi_qla_host *ha)
{
uint32_t count = 0;
struct srb *srb = NULL;
struct status_entry *sts_entry;
/* Process all responses from response queue */
- while ((ha->response_in =
- (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in)) !=
- ha->response_out) {
+ while ((ha->response_ptr->signature != RESPONSE_PROCESSED)) {
sts_entry = (struct status_entry *) ha->response_ptr;
count++;
@@ -413,14 +414,14 @@ static void qla4xxx_process_response_queue(struct scsi_qla_host * ha)
sts_entry->hdr.entryType));
goto exit_prq_error;
}
+ ((struct response *)sts_entry)->signature = RESPONSE_PROCESSED;
+ wmb();
}
/*
- * Done with responses, update the ISP For QLA4010, this also clears
- * the interrupt.
+ * Tell ISP we're done with response(s). This also clears the interrupt.
*/
- writel(ha->response_out, &ha->reg->rsp_q_out);
- readl(&ha->reg->rsp_q_out);
+ ha->isp_ops->complete_iocb(ha);
return;
@@ -430,9 +431,7 @@ exit_prq_invalid_handle:
sts_entry->completionStatus));
exit_prq_error:
- writel(ha->response_out, &ha->reg->rsp_q_out);
- readl(&ha->reg->rsp_q_out);
-
+ ha->isp_ops->complete_iocb(ha);
set_bit(DPC_RESET_HA, &ha->dpc_flags);
}
@@ -448,7 +447,7 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
uint32_t mbox_status)
{
int i;
- uint32_t mbox_stat2, mbox_stat3;
+ uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
if ((mbox_status == MBOX_STS_BUSY) ||
(mbox_status == MBOX_STS_INTERMEDIATE_COMPLETION) ||
@@ -460,27 +459,37 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
* Copy all mailbox registers to a temporary
* location and set mailbox command done flag
*/
- for (i = 1; i < ha->mbox_status_count; i++)
- ha->mbox_status[i] =
- readl(&ha->reg->mailbox[i]);
+ for (i = 0; i < ha->mbox_status_count; i++)
+ ha->mbox_status[i] = is_qla8022(ha)
+ ? readl(&ha->qla82xx_reg->mailbox_out[i])
+ : readl(&ha->reg->mailbox[i]);
set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
+
+ if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags))
+ complete(&ha->mbx_intr_comp);
}
} else if (mbox_status >> 12 == MBOX_ASYNC_EVENT_STATUS) {
+ for (i = 0; i < MBOX_AEN_REG_COUNT; i++)
+ mbox_sts[i] = is_qla8022(ha)
+ ? readl(&ha->qla82xx_reg->mailbox_out[i])
+ : readl(&ha->reg->mailbox[i]);
+
/* Immediately process the AENs that don't require much work.
* Only queue the database_changed AENs */
if (ha->aen_log.count < MAX_AEN_ENTRIES) {
for (i = 0; i < MBOX_AEN_REG_COUNT; i++)
ha->aen_log.entry[ha->aen_log.count].mbox_sts[i] =
- readl(&ha->reg->mailbox[i]);
+ mbox_sts[i];
ha->aen_log.count++;
}
switch (mbox_status) {
case MBOX_ASTS_SYSTEM_ERROR:
/* Log Mailbox registers */
+ ql4_printk(KERN_INFO, ha, "%s: System Err\n", __func__);
if (ql4xdontresethba) {
- DEBUG2(printk("%s:Dont Reset HBA\n",
- __func__));
+ DEBUG2(printk("scsi%ld: %s:Don't Reset HBA\n",
+ ha->host_no, __func__));
} else {
set_bit(AF_GET_CRASH_RECORD, &ha->flags);
set_bit(DPC_RESET_HA, &ha->dpc_flags);
@@ -502,18 +511,15 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
if (test_bit(AF_INIT_DONE, &ha->flags))
set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
- DEBUG2(printk(KERN_INFO "scsi%ld: AEN %04x Adapter"
- " LINK UP\n", ha->host_no,
- mbox_status));
+ ql4_printk(KERN_INFO, ha, "%s: LINK UP\n", __func__);
break;
case MBOX_ASTS_LINK_DOWN:
clear_bit(AF_LINK_UP, &ha->flags);
- set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
+ if (test_bit(AF_INIT_DONE, &ha->flags))
+ set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
- DEBUG2(printk(KERN_INFO "scsi%ld: AEN %04x Adapter"
- " LINK DOWN\n", ha->host_no,
- mbox_status));
+ ql4_printk(KERN_INFO, ha, "%s: LINK DOWN\n", __func__);
break;
case MBOX_ASTS_HEARTBEAT:
@@ -539,12 +545,17 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
break;
case MBOX_ASTS_IP_ADDR_STATE_CHANGED:
- mbox_stat2 = readl(&ha->reg->mailbox[2]);
- mbox_stat3 = readl(&ha->reg->mailbox[3]);
-
- if ((mbox_stat3 == 5) && (mbox_stat2 == 3))
+ printk("scsi%ld: AEN %04x, mbox_sts[2]=%04x, "
+ "mbox_sts[3]=%04x\n", ha->host_no, mbox_sts[0],
+ mbox_sts[2], mbox_sts[3]);
+
+ /* mbox_sts[2] = Old ACB state
+ * mbox_sts[3] = new ACB state */
+ if ((mbox_sts[3] == ACB_STATE_VALID) &&
+ (mbox_sts[2] == ACB_STATE_TENTATIVE))
set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags);
- else if ((mbox_stat3 == 2) && (mbox_stat2 == 5))
+ else if ((mbox_sts[3] == ACB_STATE_ACQUIRING) &&
+ (mbox_sts[2] == ACB_STATE_VALID))
set_bit(DPC_RESET_HA, &ha->dpc_flags);
break;
@@ -553,9 +564,8 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
/* No action */
DEBUG2(printk(KERN_INFO "scsi%ld: AEN %04x, "
"mbox_sts[1]=%04x, mbox_sts[2]=%04x\n",
- ha->host_no, mbox_status,
- readl(&ha->reg->mailbox[1]),
- readl(&ha->reg->mailbox[2])));
+ ha->host_no, mbox_sts[0],
+ mbox_sts[1], mbox_sts[2]));
break;
case MBOX_ASTS_SELF_TEST_FAILED:
@@ -563,10 +573,8 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
/* No action */
DEBUG2(printk("scsi%ld: AEN %04x, mbox_sts[1]=%04x, "
"mbox_sts[2]=%04x, mbox_sts[3]=%04x\n",
- ha->host_no, mbox_status,
- readl(&ha->reg->mailbox[1]),
- readl(&ha->reg->mailbox[2]),
- readl(&ha->reg->mailbox[3])));
+ ha->host_no, mbox_sts[0], mbox_sts[1],
+ mbox_sts[2], mbox_sts[3]));
break;
case MBOX_ASTS_DATABASE_CHANGED:
@@ -577,21 +585,17 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
/* decrement available counter */
ha->aen_q_count--;
- for (i = 1; i < MBOX_AEN_REG_COUNT; i++)
+ for (i = 0; i < MBOX_AEN_REG_COUNT; i++)
ha->aen_q[ha->aen_in].mbox_sts[i] =
- readl(&ha->reg->mailbox[i]);
-
- ha->aen_q[ha->aen_in].mbox_sts[0] = mbox_status;
+ mbox_sts[i];
/* print debug message */
DEBUG2(printk("scsi%ld: AEN[%d] %04x queued"
- " mb1:0x%x mb2:0x%x mb3:0x%x mb4:0x%x\n",
- ha->host_no, ha->aen_in,
- mbox_status,
- ha->aen_q[ha->aen_in].mbox_sts[1],
- ha->aen_q[ha->aen_in].mbox_sts[2],
- ha->aen_q[ha->aen_in].mbox_sts[3],
- ha->aen_q[ha->aen_in]. mbox_sts[4]));
+ " mb1:0x%x mb2:0x%x mb3:0x%x mb4:0x%x\n",
+ ha->host_no, ha->aen_in, mbox_sts[0],
+ mbox_sts[1], mbox_sts[2], mbox_sts[3],
+ mbox_sts[4]));
+
/* advance pointer */
ha->aen_in++;
if (ha->aen_in == MAX_AEN_ENTRIES)
@@ -603,18 +607,16 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
DEBUG2(printk("scsi%ld: %s: aen %04x, queue "
"overflowed! AEN LOST!!\n",
ha->host_no, __func__,
- mbox_status));
+ mbox_sts[0]));
DEBUG2(printk("scsi%ld: DUMP AEN QUEUE\n",
ha->host_no));
for (i = 0; i < MAX_AEN_ENTRIES; i++) {
DEBUG2(printk("AEN[%d] %04x %04x %04x "
- "%04x\n", i,
- ha->aen_q[i].mbox_sts[0],
- ha->aen_q[i].mbox_sts[1],
- ha->aen_q[i].mbox_sts[2],
- ha->aen_q[i].mbox_sts[3]));
+ "%04x\n", i, mbox_sts[0],
+ mbox_sts[1], mbox_sts[2],
+ mbox_sts[3]));
}
}
break;
@@ -622,18 +624,42 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
default:
DEBUG2(printk(KERN_WARNING
"scsi%ld: AEN %04x UNKNOWN\n",
- ha->host_no, mbox_status));
+ ha->host_no, mbox_sts[0]));
break;
}
} else {
DEBUG2(printk("scsi%ld: Unknown mailbox status %08X\n",
ha->host_no, mbox_status));
- ha->mbox_status[0] = mbox_status;
+ ha->mbox_status[0] = mbox_sts[0];
}
}
/**
+ * qla82xx_interrupt_service_routine - isr
+ * @ha: pointer to host adapter structure.
+ *
+ * This is the main interrupt service routine.
+ * hardware_lock locked upon entry. runs in interrupt context.
+ **/
+void qla82xx_interrupt_service_routine(struct scsi_qla_host *ha,
+ uint32_t intr_status)
+{
+ /* Process response queue interrupt. */
+ if (intr_status & HSRX_RISC_IOCB_INT)
+ qla4xxx_process_response_queue(ha);
+
+ /* Process mailbox/asynch event interrupt.*/
+ if (intr_status & HSRX_RISC_MB_INT)
+ qla4xxx_isr_decode_mailbox(ha,
+ readl(&ha->qla82xx_reg->mailbox_out[0]));
+
+ /* clear the interrupt */
+ writel(0, &ha->qla82xx_reg->host_int);
+ readl(&ha->qla82xx_reg->host_int);
+}
+
+/**
* qla4xxx_interrupt_service_routine - isr
* @ha: pointer to host adapter structure.
*
@@ -660,6 +686,28 @@ void qla4xxx_interrupt_service_routine(struct scsi_qla_host * ha,
}
/**
+ * qla82xx_spurious_interrupt - processes spurious interrupt
+ * @ha: pointer to host adapter structure.
+ * @reqs_count: .
+ *
+ **/
+static void qla82xx_spurious_interrupt(struct scsi_qla_host *ha,
+ uint8_t reqs_count)
+{
+ if (reqs_count)
+ return;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Spurious Interrupt\n"));
+ if (is_qla8022(ha)) {
+ writel(0, &ha->qla82xx_reg->host_int);
+ if (test_bit(AF_INTx_ENABLED, &ha->flags))
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg,
+ 0xfbff);
+ }
+ ha->spurious_int_count++;
+}
+
+/**
* qla4xxx_intr_handler - hardware interrupt handler.
* @irq: Unused
* @dev_id: Pointer to host adapter structure
@@ -689,15 +737,14 @@ irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id)
/*
* Read interrupt status
*/
- if (le32_to_cpu(ha->shadow_regs->rsp_q_in) !=
+ if (ha->isp_ops->rd_shdw_rsp_q_in(ha) !=
ha->response_out)
intr_status = CSR_SCSI_COMPLETION_INTR;
else
intr_status = readl(&ha->reg->ctrl_status);
if ((intr_status &
- (CSR_SCSI_RESET_INTR|CSR_FATAL_ERROR|INTR_PENDING)) ==
- 0) {
+ (CSR_SCSI_RESET_INTR|CSR_FATAL_ERROR|INTR_PENDING)) == 0) {
if (reqs_count == 0)
ha->spurious_int_count++;
break;
@@ -739,22 +786,157 @@ irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id)
&ha->reg->ctrl_status);
readl(&ha->reg->ctrl_status);
- if (!ql4_mod_unload)
+ if (!test_bit(AF_HBA_GOING_AWAY, &ha->flags))
set_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
break;
} else if (intr_status & INTR_PENDING) {
- qla4xxx_interrupt_service_routine(ha, intr_status);
+ ha->isp_ops->interrupt_service_routine(ha, intr_status);
ha->total_io_count++;
if (++reqs_count == MAX_REQS_SERVICED_PER_INTR)
break;
+ }
+ }
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * qla82xx_intr_handler - hardware interrupt handler.
+ * @irq: Unused
+ * @dev_id: Pointer to host adapter structure
+ **/
+irqreturn_t qla82xx_intr_handler(int irq, void *dev_id)
+{
+ struct scsi_qla_host *ha = dev_id;
+ uint32_t intr_status;
+ uint32_t status;
+ unsigned long flags = 0;
+ uint8_t reqs_count = 0;
+
+ ha->isr_count++;
+ status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
+ if (!(status & ha->nx_legacy_intr.int_vec_bit))
+ return IRQ_NONE;
+
+ status = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
+ if (!ISR_IS_LEGACY_INTR_TRIGGERED(status)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s legacy Int not triggered\n", __func__));
+ return IRQ_NONE;
+ }
- intr_status = 0;
+ /* clear the interrupt */
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
+
+ /* read twice to ensure write is flushed */
+ qla82xx_rd_32(ha, ISR_INT_VECTOR);
+ qla82xx_rd_32(ha, ISR_INT_VECTOR);
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ while (1) {
+ if (!(readl(&ha->qla82xx_reg->host_int) & ISRX_82XX_RISC_INT)) {
+ qla82xx_spurious_interrupt(ha, reqs_count);
+ break;
+ }
+ intr_status = readl(&ha->qla82xx_reg->host_status);
+ if ((intr_status &
+ (HSRX_RISC_MB_INT | HSRX_RISC_IOCB_INT)) == 0) {
+ qla82xx_spurious_interrupt(ha, reqs_count);
+ break;
}
+
+ ha->isp_ops->interrupt_service_routine(ha, intr_status);
+
+ /* Enable Interrupt */
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
+
+ if (++reqs_count == MAX_REQS_SERVICED_PER_INTR)
+ break;
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return IRQ_HANDLED;
+}
+
+irqreturn_t
+qla82xx_msi_handler(int irq, void *dev_id)
+{
+ struct scsi_qla_host *ha;
+
+ ha = (struct scsi_qla_host *) dev_id;
+ if (!ha) {
+ DEBUG2(printk(KERN_INFO
+ "qla4xxx: MSIX: Interrupt with NULL host ptr\n"));
+ return IRQ_NONE;
+ }
+
+ ha->isr_count++;
+ /* clear the interrupt */
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
+
+ /* read twice to ensure write is flushed */
+ qla82xx_rd_32(ha, ISR_INT_VECTOR);
+ qla82xx_rd_32(ha, ISR_INT_VECTOR);
+
+ return qla82xx_default_intr_handler(irq, dev_id);
+}
+
+/**
+ * qla82xx_default_intr_handler - hardware interrupt handler.
+ * @irq: Unused
+ * @dev_id: Pointer to host adapter structure
+ *
+ * This interrupt handler is called directly for MSI-X, and
+ * called indirectly for MSI.
+ **/
+irqreturn_t
+qla82xx_default_intr_handler(int irq, void *dev_id)
+{
+ struct scsi_qla_host *ha = dev_id;
+ unsigned long flags;
+ uint32_t intr_status;
+ uint8_t reqs_count = 0;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ while (1) {
+ if (!(readl(&ha->qla82xx_reg->host_int) & ISRX_82XX_RISC_INT)) {
+ qla82xx_spurious_interrupt(ha, reqs_count);
+ break;
+ }
+
+ intr_status = readl(&ha->qla82xx_reg->host_status);
+ if ((intr_status &
+ (HSRX_RISC_MB_INT | HSRX_RISC_IOCB_INT)) == 0) {
+ qla82xx_spurious_interrupt(ha, reqs_count);
+ break;
+ }
+ ha->isp_ops->interrupt_service_routine(ha, intr_status);
+
+ if (++reqs_count == MAX_REQS_SERVICED_PER_INTR)
+ break;
+ }
+
+ ha->isr_count++;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return IRQ_HANDLED;
+}
+
+irqreturn_t
+qla82xx_msix_rsp_q(int irq, void *dev_id)
+{
+ struct scsi_qla_host *ha = dev_id;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ qla4xxx_process_response_queue(ha);
+ writel(0, &ha->qla82xx_reg->host_int);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ ha->isr_count++;
return IRQ_HANDLED;
}
@@ -825,7 +1007,7 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen)
((ddb_entry->default_time2wait +
4) * HZ);
- DEBUG2(printk("scsi%ld: ddb index [%d] initate"
+ DEBUG2(printk("scsi%ld: ddb [%d] initate"
" RELOGIN after %d seconds\n",
ha->host_no,
ddb_entry->fw_ddb_index,
@@ -847,3 +1029,81 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
+int qla4xxx_request_irqs(struct scsi_qla_host *ha)
+{
+ int ret;
+
+ if (!is_qla8022(ha))
+ goto try_intx;
+
+ if (ql4xenablemsix == 2)
+ goto try_msi;
+
+ if (ql4xenablemsix == 0 || ql4xenablemsix != 1)
+ goto try_intx;
+
+ /* Trying MSI-X */
+ ret = qla82xx_enable_msix(ha);
+ if (!ret) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "MSI-X: Enabled (0x%X).\n", ha->revision_id));
+ goto irq_attached;
+ }
+
+ ql4_printk(KERN_WARNING, ha,
+ "MSI-X: Falling back-to MSI mode -- %d.\n", ret);
+
+try_msi:
+ /* Trying MSI */
+ ret = pci_enable_msi(ha->pdev);
+ if (!ret) {
+ ret = request_irq(ha->pdev->irq, qla82xx_msi_handler,
+ IRQF_DISABLED|IRQF_SHARED, DRIVER_NAME, ha);
+ if (!ret) {
+ DEBUG2(ql4_printk(KERN_INFO, ha, "MSI: Enabled.\n"));
+ set_bit(AF_MSI_ENABLED, &ha->flags);
+ goto irq_attached;
+ } else {
+ ql4_printk(KERN_WARNING, ha,
+ "MSI: Failed to reserve interrupt %d "
+ "already in use.\n", ha->pdev->irq);
+ pci_disable_msi(ha->pdev);
+ }
+ }
+ ql4_printk(KERN_WARNING, ha,
+ "MSI: Falling back-to INTx mode -- %d.\n", ret);
+
+try_intx:
+ /* Trying INTx */
+ ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
+ IRQF_DISABLED|IRQF_SHARED, DRIVER_NAME, ha);
+ if (!ret) {
+ DEBUG2(ql4_printk(KERN_INFO, ha, "INTx: Enabled.\n"));
+ set_bit(AF_INTx_ENABLED, &ha->flags);
+ goto irq_attached;
+
+ } else {
+ ql4_printk(KERN_WARNING, ha,
+ "INTx: Failed to reserve interrupt %d already in"
+ " use.\n", ha->pdev->irq);
+ return ret;
+ }
+
+irq_attached:
+ set_bit(AF_IRQ_ATTACHED, &ha->flags);
+ ha->host->irq = ha->pdev->irq;
+ ql4_printk(KERN_INFO, ha, "%s: irq %d attached\n",
+ __func__, ha->pdev->irq);
+ return ret;
+}
+
+void qla4xxx_free_irqs(struct scsi_qla_host *ha)
+{
+ if (test_bit(AF_MSIX_ENABLED, &ha->flags))
+ qla82xx_disable_msix(ha);
+ else if (test_and_clear_bit(AF_MSI_ENABLED, &ha->flags)) {
+ free_irq(ha->pdev->irq, ha);
+ pci_disable_msi(ha->pdev);
+ } else if (test_and_clear_bit(AF_INTx_ENABLED, &ha->flags))
+ free_irq(ha->pdev->irq, ha);
+}
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index c4311c6..a951914 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -19,13 +19,13 @@
* @mbx_cmd: data pointer for mailbox in registers.
* @mbx_sts: data pointer for mailbox out registers.
*
- * This routine sssue mailbox commands and waits for completion.
+ * This routine isssue mailbox commands and waits for completion.
* If outCount is 0, this routine completes successfully WITHOUT waiting
* for the mailbox command to complete.
**/
-static int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
- uint8_t outCount, uint32_t *mbx_cmd,
- uint32_t *mbx_sts)
+int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
+ uint8_t outCount, uint32_t *mbx_cmd,
+ uint32_t *mbx_sts)
{
int status = QLA_ERROR;
uint8_t i;
@@ -59,32 +59,66 @@ static int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
}
/* To prevent overwriting mailbox registers for a command that has
- * not yet been serviced, check to see if a previously issued
- * mailbox command is interrupting.
+ * not yet been serviced, check to see if an active command
+ * (AEN, IOCB, etc.) is interrupting, then service it.
* -----------------------------------------------------------------
*/
spin_lock_irqsave(&ha->hardware_lock, flags);
- intr_status = readl(&ha->reg->ctrl_status);
- if (intr_status & CSR_SCSI_PROCESSOR_INTR) {
- /* Service existing interrupt */
- qla4xxx_interrupt_service_routine(ha, intr_status);
- clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
+
+ if (is_qla8022(ha)) {
+ intr_status = readl(&ha->qla82xx_reg->host_int);
+ if (intr_status & ISRX_82XX_RISC_INT) {
+ /* Service existing interrupt */
+ DEBUG2(printk("scsi%ld: %s: "
+ "servicing existing interrupt\n",
+ ha->host_no, __func__));
+ intr_status = readl(&ha->qla82xx_reg->host_status);
+ ha->isp_ops->interrupt_service_routine(ha, intr_status);
+ clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
+ if (test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
+ test_bit(AF_INTx_ENABLED, &ha->flags))
+ qla82xx_wr_32(ha,
+ ha->nx_legacy_intr.tgt_mask_reg,
+ 0xfbff);
+ }
+ } else {
+ intr_status = readl(&ha->reg->ctrl_status);
+ if (intr_status & CSR_SCSI_PROCESSOR_INTR) {
+ /* Service existing interrupt */
+ ha->isp_ops->interrupt_service_routine(ha, intr_status);
+ clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
+ }
}
- /* Send the mailbox command to the firmware */
ha->mbox_status_count = outCount;
for (i = 0; i < outCount; i++)
ha->mbox_status[i] = 0;
- /* Load all mailbox registers, except mailbox 0. */
- for (i = 1; i < inCount; i++)
- writel(mbx_cmd[i], &ha->reg->mailbox[i]);
+ if (is_qla8022(ha)) {
+ /* Load all mailbox registers, except mailbox 0. */
+ DEBUG5(
+ printk("scsi%ld: %s: Cmd ", ha->host_no, __func__);
+ for (i = 0; i < inCount; i++)
+ printk("mb%d=%04x ", i, mbx_cmd[i]);
+ printk("\n"));
+
+ for (i = 1; i < inCount; i++)
+ writel(mbx_cmd[i], &ha->qla82xx_reg->mailbox_in[i]);
+ writel(mbx_cmd[0], &ha->qla82xx_reg->mailbox_in[0]);
+ readl(&ha->qla82xx_reg->mailbox_in[0]);
+ writel(HINT_MBX_INT_PENDING, &ha->qla82xx_reg->hint);
+ } else {
+ /* Load all mailbox registers, except mailbox 0. */
+ for (i = 1; i < inCount; i++)
+ writel(mbx_cmd[i], &ha->reg->mailbox[i]);
+
+ /* Wakeup firmware */
+ writel(mbx_cmd[0], &ha->reg->mailbox[0]);
+ readl(&ha->reg->mailbox[0]);
+ writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
+ readl(&ha->reg->ctrl_status);
+ }
- /* Wakeup firmware */
- writel(mbx_cmd[0], &ha->reg->mailbox[0]);
- readl(&ha->reg->mailbox[0]);
- writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
- readl(&ha->reg->ctrl_status);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
/* Wait for completion */
@@ -98,26 +132,65 @@ static int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
status = QLA_SUCCESS;
goto mbox_exit;
}
- /* Wait for command to complete */
- wait_count = jiffies + MBOX_TOV * HZ;
- while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
- if (time_after_eq(jiffies, wait_count))
- break;
- spin_lock_irqsave(&ha->hardware_lock, flags);
- intr_status = readl(&ha->reg->ctrl_status);
- if (intr_status & INTR_PENDING) {
+ /*
+ * Wait for completion: Poll or completion queue
+ */
+ if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
+ test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
+ test_bit(AF_ONLINE, &ha->flags) &&
+ !test_bit(AF_HBA_GOING_AWAY, &ha->flags)) {
+ /* Do not poll for completion. Use completion queue */
+ set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
+ wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
+ clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
+ } else {
+ /* Poll for command to complete */
+ wait_count = jiffies + MBOX_TOV * HZ;
+ while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
+ if (time_after_eq(jiffies, wait_count))
+ break;
/*
* Service the interrupt.
* The ISR will save the mailbox status registers
* to a temporary storage location in the adapter
* structure.
*/
- ha->mbox_status_count = outCount;
- qla4xxx_interrupt_service_routine(ha, intr_status);
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (is_qla8022(ha)) {
+ intr_status = readl(&ha->qla82xx_reg->host_int);
+ if (intr_status & ISRX_82XX_RISC_INT) {
+ ha->mbox_status_count = outCount;
+ intr_status =
+ readl(&ha->qla82xx_reg->host_status);
+ ha->isp_ops->interrupt_service_routine(
+ ha, intr_status);
+ if (test_bit(AF_INTERRUPTS_ON,
+ &ha->flags) &&
+ test_bit(AF_INTx_ENABLED,
+ &ha->flags))
+ qla82xx_wr_32(ha,
+ ha->nx_legacy_intr.tgt_mask_reg,
+ 0xfbff);
+ }
+ } else {
+ intr_status = readl(&ha->reg->ctrl_status);
+ if (intr_status & INTR_PENDING) {
+ /*
+ * Service the interrupt.
+ * The ISR will save the mailbox status
+ * registers to a temporary storage
+ * location in the adapter structure.
+ */
+ ha->mbox_status_count = outCount;
+ ha->isp_ops->interrupt_service_routine(
+ ha, intr_status);
+ }
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ msleep(10);
}
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- msleep(10);
}
/* Check for mailbox timeout. */
@@ -172,7 +245,7 @@ mbox_exit:
return status;
}
-uint8_t
+static uint8_t
qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
{
@@ -196,7 +269,7 @@ qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
return QLA_SUCCESS;
}
-uint8_t
+static 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)
{
@@ -218,7 +291,7 @@ qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
return QLA_SUCCESS;
}
-void
+static void
qla4xxx_update_local_ip(struct scsi_qla_host *ha,
struct addr_ctrl_blk *init_fw_cb)
{
@@ -256,7 +329,7 @@ qla4xxx_update_local_ip(struct scsi_qla_host *ha,
}
}
-uint8_t
+static uint8_t
qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
uint32_t *mbox_cmd,
uint32_t *mbox_sts,
@@ -444,7 +517,7 @@ int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
ha->host_no, __func__, ha->firmware_state);)
- return QLA_SUCCESS;
+ return QLA_SUCCESS;
}
/**
@@ -469,6 +542,10 @@ int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
mbox_sts[0]));
return QLA_ERROR;
}
+
+ ql4_printk(KERN_INFO, ha, "%ld firmare IOCBs available (%d).\n",
+ ha->host_no, mbox_cmd[2]);
+
return QLA_SUCCESS;
}
@@ -499,7 +576,7 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
/* Make sure the device index is valid */
if (fw_ddb_index >= MAX_DDB_ENTRIES) {
- DEBUG2(printk("scsi%ld: %s: index [%d] out of range.\n",
+ DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
ha->host_no, __func__, fw_ddb_index));
goto exit_get_fwddb;
}
@@ -520,7 +597,7 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
goto exit_get_fwddb;
}
if (fw_ddb_index != mbox_sts[1]) {
- DEBUG2(printk("scsi%ld: %s: index mismatch [%d] != [%d].\n",
+ DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
ha->host_no, __func__, fw_ddb_index,
mbox_sts[1]));
goto exit_get_fwddb;
@@ -589,6 +666,7 @@ int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
+ int status;
/* Do not wait for completion. The firmware will send us an
* ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
@@ -602,7 +680,12 @@ int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
mbox_cmd[4] = sizeof(struct dev_db_entry);
- return qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
+ &mbox_sts[0]);
+ DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
+ ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
+
+ return status;
}
/**
@@ -816,8 +899,8 @@ int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
/**
* qla4xxx_reset_lun - issues LUN Reset
* @ha: Pointer to host adapter structure.
- * @db_entry: Pointer to device database entry
- * @un_entry: Pointer to lun entry structure
+ * @ddb_entry: Pointer to device database entry
+ * @lun: lun number
*
* This routine performs a LUN RESET on the specified target/lun.
* The caller must ensure that the ddb_entry and lun_entry pointers
@@ -831,7 +914,7 @@ int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
int status = QLA_SUCCESS;
DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
- ddb_entry->os_target_id, lun));
+ ddb_entry->fw_ddb_index, lun));
/*
* Send lun reset command to ISP, so that the ISP will return all
@@ -871,7 +954,7 @@ int qla4xxx_reset_target(struct scsi_qla_host *ha,
int status = QLA_SUCCESS;
DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
- ddb_entry->os_target_id));
+ ddb_entry->fw_ddb_index));
/*
* Send target reset command to ISP, so that the ISP will return all
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c
index 7fe0482..f0d0fbf 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.c
+++ b/drivers/scsi/qla4xxx/ql4_nvram.c
@@ -149,7 +149,7 @@ static int eeprom_readword(int eepromAddr, u16 * value,
/* Hardware_lock must be set before calling */
u16 rd_nvram_word(struct scsi_qla_host * ha, int offset)
{
- u16 val;
+ u16 val = 0;
/* NOTE: NVRAM uses half-word addresses */
eeprom_readword(offset, &val, ha);
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.h b/drivers/scsi/qla4xxx/ql4_nvram.h
index b47b4fc..7a8fc66 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.h
+++ b/drivers/scsi/qla4xxx/ql4_nvram.h
@@ -8,9 +8,9 @@
#ifndef _QL4XNVRM_H_
#define _QL4XNVRM_H_
-/*
+/**
* AM29LV Flash definitions
- */
+ **/
#define FM93C56A_SIZE_8 0x100
#define FM93C56A_SIZE_16 0x80
#define FM93C66A_SIZE_8 0x200
@@ -19,7 +19,7 @@
#define FM93C56A_START 0x1
-// Commands
+/* Commands */
#define FM93C56A_READ 0x2
#define FM93C56A_WEN 0x0
#define FM93C56A_WRITE 0x1
@@ -62,9 +62,9 @@
#define AUBURN_EEPROM_CLK_RISE 0x1
#define AUBURN_EEPROM_CLK_FALL 0x0
-/* */
+/**/
/* EEPROM format */
-/* */
+/**/
struct bios_params {
uint16_t SpinUpDelay:1;
uint16_t BIOSDisable:1;
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
new file mode 100644
index 0000000..d29e018
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -0,0 +1,2317 @@
+/*
+ * QLogic iSCSI HBA Driver
+ * Copyright (c) 2003-2009 QLogic Corporation
+ *
+ * See LICENSE.qla4xxx for copyright and licensing details.
+ */
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include "ql4_def.h"
+#include "ql4_glbl.h"
+
+#define MASK(n) DMA_BIT_MASK(n)
+#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define MS_WIN(addr) (addr & 0x0ffc0000)
+#define QLA82XX_PCI_MN_2M (0)
+#define QLA82XX_PCI_MS_2M (0x80000)
+#define QLA82XX_PCI_OCM0_2M (0xc0000)
+#define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
+#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
+
+/* CRB window related */
+#define CRB_BLK(off) ((off >> 20) & 0x3f)
+#define CRB_SUBBLK(off) ((off >> 16) & 0xf)
+#define CRB_WINDOW_2M (0x130060)
+#define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \
+ ((off) & 0xf0000))
+#define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL)
+#define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL)
+#define CRB_INDIRECT_2M (0x1e0000UL)
+
+static inline void __iomem *
+qla82xx_pci_base_offsetfset(struct scsi_qla_host *ha, unsigned long off)
+{
+ if ((off < ha->first_page_group_end) &&
+ (off >= ha->first_page_group_start))
+ return (void __iomem *)(ha->nx_pcibase + off);
+
+ return NULL;
+}
+
+#define MAX_CRB_XFORM 60
+static unsigned long crb_addr_xform[MAX_CRB_XFORM];
+static int qla82xx_crb_table_initialized;
+
+#define qla82xx_crb_addr_transform(name) \
+ (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
+ QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
+static void
+qla82xx_crb_addr_transform_setup(void)
+{
+ qla82xx_crb_addr_transform(XDMA);
+ qla82xx_crb_addr_transform(TIMR);
+ qla82xx_crb_addr_transform(SRE);
+ qla82xx_crb_addr_transform(SQN3);
+ qla82xx_crb_addr_transform(SQN2);
+ qla82xx_crb_addr_transform(SQN1);
+ qla82xx_crb_addr_transform(SQN0);
+ qla82xx_crb_addr_transform(SQS3);
+ qla82xx_crb_addr_transform(SQS2);
+ qla82xx_crb_addr_transform(SQS1);
+ qla82xx_crb_addr_transform(SQS0);
+ qla82xx_crb_addr_transform(RPMX7);
+ qla82xx_crb_addr_transform(RPMX6);
+ qla82xx_crb_addr_transform(RPMX5);
+ qla82xx_crb_addr_transform(RPMX4);
+ qla82xx_crb_addr_transform(RPMX3);
+ qla82xx_crb_addr_transform(RPMX2);
+ qla82xx_crb_addr_transform(RPMX1);
+ qla82xx_crb_addr_transform(RPMX0);
+ qla82xx_crb_addr_transform(ROMUSB);
+ qla82xx_crb_addr_transform(SN);
+ qla82xx_crb_addr_transform(QMN);
+ qla82xx_crb_addr_transform(QMS);
+ qla82xx_crb_addr_transform(PGNI);
+ qla82xx_crb_addr_transform(PGND);
+ qla82xx_crb_addr_transform(PGN3);
+ qla82xx_crb_addr_transform(PGN2);
+ qla82xx_crb_addr_transform(PGN1);
+ qla82xx_crb_addr_transform(PGN0);
+ qla82xx_crb_addr_transform(PGSI);
+ qla82xx_crb_addr_transform(PGSD);
+ qla82xx_crb_addr_transform(PGS3);
+ qla82xx_crb_addr_transform(PGS2);
+ qla82xx_crb_addr_transform(PGS1);
+ qla82xx_crb_addr_transform(PGS0);
+ qla82xx_crb_addr_transform(PS);
+ qla82xx_crb_addr_transform(PH);
+ qla82xx_crb_addr_transform(NIU);
+ qla82xx_crb_addr_transform(I2Q);
+ qla82xx_crb_addr_transform(EG);
+ qla82xx_crb_addr_transform(MN);
+ qla82xx_crb_addr_transform(MS);
+ qla82xx_crb_addr_transform(CAS2);
+ qla82xx_crb_addr_transform(CAS1);
+ qla82xx_crb_addr_transform(CAS0);
+ qla82xx_crb_addr_transform(CAM);
+ qla82xx_crb_addr_transform(C2C1);
+ qla82xx_crb_addr_transform(C2C0);
+ qla82xx_crb_addr_transform(SMB);
+ qla82xx_crb_addr_transform(OCM0);
+ qla82xx_crb_addr_transform(I2C0);
+
+ qla82xx_crb_table_initialized = 1;
+}
+
+static struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
+ {{{0, 0, 0, 0} } }, /* 0: PCI */
+ {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
+ {1, 0x0110000, 0x0120000, 0x130000},
+ {1, 0x0120000, 0x0122000, 0x124000},
+ {1, 0x0130000, 0x0132000, 0x126000},
+ {1, 0x0140000, 0x0142000, 0x128000},
+ {1, 0x0150000, 0x0152000, 0x12a000},
+ {1, 0x0160000, 0x0170000, 0x110000},
+ {1, 0x0170000, 0x0172000, 0x12e000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x01e0000, 0x01e0800, 0x122000},
+ {0, 0x0000000, 0x0000000, 0x000000} } },
+ {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
+ {{{0, 0, 0, 0} } }, /* 3: */
+ {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
+ {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
+ {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
+ {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
+ {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x08f0000, 0x08f2000, 0x172000} } },
+ {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x09f0000, 0x09f2000, 0x176000} } },
+ {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x0af0000, 0x0af2000, 0x17a000} } },
+ {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
+ {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
+ {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
+ {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
+ {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
+ {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
+ {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
+ {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
+ {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
+ {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
+ {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
+ {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
+ {{{0, 0, 0, 0} } }, /* 23: */
+ {{{0, 0, 0, 0} } }, /* 24: */
+ {{{0, 0, 0, 0} } }, /* 25: */
+ {{{0, 0, 0, 0} } }, /* 26: */
+ {{{0, 0, 0, 0} } }, /* 27: */
+ {{{0, 0, 0, 0} } }, /* 28: */
+ {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
+ {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
+ {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
+ {{{0} } }, /* 32: PCI */
+ {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
+ {1, 0x2110000, 0x2120000, 0x130000},
+ {1, 0x2120000, 0x2122000, 0x124000},
+ {1, 0x2130000, 0x2132000, 0x126000},
+ {1, 0x2140000, 0x2142000, 0x128000},
+ {1, 0x2150000, 0x2152000, 0x12a000},
+ {1, 0x2160000, 0x2170000, 0x110000},
+ {1, 0x2170000, 0x2172000, 0x12e000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000} } },
+ {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
+ {{{0} } }, /* 35: */
+ {{{0} } }, /* 36: */
+ {{{0} } }, /* 37: */
+ {{{0} } }, /* 38: */
+ {{{0} } }, /* 39: */
+ {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
+ {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
+ {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
+ {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
+ {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
+ {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
+ {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
+ {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
+ {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
+ {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
+ {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
+ {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
+ {{{0} } }, /* 52: */
+ {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
+ {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
+ {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
+ {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
+ {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
+ {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
+ {{{0} } }, /* 59: I2C0 */
+ {{{0} } }, /* 60: I2C1 */
+ {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },/* 61: LPC */
+ {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
+ {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
+};
+
+/*
+ * top 12 bits of crb internal address (hub, agent)
+ */
+static unsigned qla82xx_crb_hub_agt[64] = {
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
+ 0,
+};
+
+/* Device states */
+static char *qdev_state[] = {
+ "Unknown",
+ "Cold",
+ "Initializing",
+ "Ready",
+ "Need Reset",
+ "Need Quiescent",
+ "Failed",
+ "Quiescent",
+};
+
+/*
+ * In: 'off' is offset from CRB space in 128M pci map
+ * Out: 'off' is 2M pci map addr
+ * side effect: lock crb window
+ */
+static void
+qla82xx_pci_set_crbwindow_2M(struct scsi_qla_host *ha, ulong *off)
+{
+ u32 win_read;
+
+ ha->crb_win = CRB_HI(*off);
+ writel(ha->crb_win,
+ (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
+
+ /* Read back value to make sure write has gone through before trying
+ * to use it. */
+ win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
+ if (win_read != ha->crb_win) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: Written crbwin (0x%x) != Read crbwin (0x%x),"
+ " off=0x%lx\n", __func__, ha->crb_win, win_read, *off));
+ }
+ *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
+}
+
+void
+qla82xx_wr_32(struct scsi_qla_host *ha, ulong off, u32 data)
+{
+ unsigned long flags = 0;
+ int rv;
+
+ rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
+
+ BUG_ON(rv == -1);
+
+ if (rv == 1) {
+ write_lock_irqsave(&ha->hw_lock, flags);
+ qla82xx_crb_win_lock(ha);
+ qla82xx_pci_set_crbwindow_2M(ha, &off);
+ }
+
+ writel(data, (void __iomem *)off);
+
+ if (rv == 1) {
+ qla82xx_crb_win_unlock(ha);
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ }
+}
+
+int
+qla82xx_rd_32(struct scsi_qla_host *ha, ulong off)
+{
+ unsigned long flags = 0;
+ int rv;
+ u32 data;
+
+ rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
+
+ BUG_ON(rv == -1);
+
+ if (rv == 1) {
+ write_lock_irqsave(&ha->hw_lock, flags);
+ qla82xx_crb_win_lock(ha);
+ qla82xx_pci_set_crbwindow_2M(ha, &off);
+ }
+ data = readl((void __iomem *)off);
+
+ if (rv == 1) {
+ qla82xx_crb_win_unlock(ha);
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ }
+ return data;
+}
+
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+
+int qla82xx_crb_win_lock(struct scsi_qla_host *ha)
+{
+ int i;
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore3 from PCI HW block */
+ done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
+ if (done == 1)
+ break;
+ if (timeout >= CRB_WIN_LOCK_TIMEOUT)
+ return -1;
+
+ timeout++;
+
+ /* Yield CPU */
+ if (!in_interrupt())
+ schedule();
+ else {
+ for (i = 0; i < 20; i++)
+ cpu_relax(); /*This a nop instr on i386*/
+ }
+ }
+ qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->func_num);
+ return 0;
+}
+
+void qla82xx_crb_win_unlock(struct scsi_qla_host *ha)
+{
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
+}
+
+#define IDC_LOCK_TIMEOUT 100000000
+
+/**
+ * qla82xx_idc_lock - hw_lock
+ * @ha: pointer to adapter structure
+ *
+ * General purpose lock used to synchronize access to
+ * CRB_DEV_STATE, CRB_DEV_REF_COUNT, etc.
+ **/
+int qla82xx_idc_lock(struct scsi_qla_host *ha)
+{
+ int i;
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore5 from PCI HW block */
+ done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
+ if (done == 1)
+ break;
+ if (timeout >= IDC_LOCK_TIMEOUT)
+ return -1;
+
+ timeout++;
+
+ /* Yield CPU */
+ if (!in_interrupt())
+ schedule();
+ else {
+ for (i = 0; i < 20; i++)
+ cpu_relax(); /*This a nop instr on i386*/
+ }
+ }
+ return 0;
+}
+
+void qla82xx_idc_unlock(struct scsi_qla_host *ha)
+{
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
+}
+
+int
+qla82xx_pci_get_crb_addr_2M(struct scsi_qla_host *ha, ulong *off)
+{
+ struct crb_128M_2M_sub_block_map *m;
+
+ if (*off >= QLA82XX_CRB_MAX)
+ return -1;
+
+ if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) {
+ *off = (*off - QLA82XX_PCI_CAMQM) +
+ QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
+ return 0;
+ }
+
+ if (*off < QLA82XX_PCI_CRBSPACE)
+ return -1;
+
+ *off -= QLA82XX_PCI_CRBSPACE;
+ /*
+ * Try direct map
+ */
+
+ m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
+
+ if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
+ *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase;
+ return 0;
+ }
+
+ /*
+ * Not in direct map, use crb window
+ */
+ return 1;
+}
+
+/* PCI Windowing for DDR regions. */
+#define QLA82XX_ADDR_IN_RANGE(addr, low, high) \
+ (((addr) <= (high)) && ((addr) >= (low)))
+
+/*
+* check memory access boundary.
+* used by test agent. support ddr access only for now
+*/
+static unsigned long
+qla82xx_pci_mem_bound_check(struct scsi_qla_host *ha,
+ unsigned long long addr, int size)
+{
+ if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+ QLA82XX_ADDR_DDR_NET_MAX) ||
+ !QLA82XX_ADDR_IN_RANGE(addr + size - 1,
+ QLA82XX_ADDR_DDR_NET, QLA82XX_ADDR_DDR_NET_MAX) ||
+ ((size != 1) && (size != 2) && (size != 4) && (size != 8))) {
+ return 0;
+ }
+ return 1;
+}
+
+static int qla82xx_pci_set_window_warning_count;
+
+static unsigned long
+qla82xx_pci_set_window(struct scsi_qla_host *ha, unsigned long long addr)
+{
+ int window;
+ u32 win_read;
+
+ if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+ QLA82XX_ADDR_DDR_NET_MAX)) {
+ /* DDR network side */
+ window = MN_WIN(addr);
+ ha->ddr_mn_window = window;
+ qla82xx_wr_32(ha, ha->mn_win_crb |
+ QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla82xx_rd_32(ha, ha->mn_win_crb |
+ QLA82XX_PCI_CRBSPACE);
+ if ((win_read << 17) != window) {
+ ql4_printk(KERN_WARNING, ha,
+ "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n",
+ __func__, window, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
+ } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
+ QLA82XX_ADDR_OCM0_MAX)) {
+ unsigned int temp1;
+ /* if bits 19:18&17:11 are on */
+ if ((addr & 0x00ff800) == 0xff800) {
+ printk("%s: QM access not handled.\n", __func__);
+ addr = -1UL;
+ }
+
+ window = OCM_WIN(addr);
+ ha->ddr_mn_window = window;
+ qla82xx_wr_32(ha, ha->mn_win_crb |
+ QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla82xx_rd_32(ha, ha->mn_win_crb |
+ QLA82XX_PCI_CRBSPACE);
+ temp1 = ((window & 0x1FF) << 7) |
+ ((window & 0x0FFFE0000) >> 17);
+ if (win_read != temp1) {
+ printk("%s: Written OCMwin (0x%x) != Read"
+ " OCMwin (0x%x)\n", __func__, temp1, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
+
+ } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
+ QLA82XX_P3_ADDR_QDR_NET_MAX)) {
+ /* QDR network side */
+ window = MS_WIN(addr);
+ ha->qdr_sn_window = window;
+ qla82xx_wr_32(ha, ha->ms_win_crb |
+ QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla82xx_rd_32(ha,
+ ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
+ if (win_read != window) {
+ printk("%s: Written MSwin (0x%x) != Read "
+ "MSwin (0x%x)\n", __func__, window, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
+
+ } else {
+ /*
+ * peg gdb frequently accesses memory that doesn't exist,
+ * this limits the chit chat so debugging isn't slowed down.
+ */
+ if ((qla82xx_pci_set_window_warning_count++ < 8) ||
+ (qla82xx_pci_set_window_warning_count%64 == 0)) {
+ printk("%s: Warning:%s Unknown address range!\n",
+ __func__, DRIVER_NAME);
+ }
+ addr = -1UL;
+ }
+ return addr;
+}
+
+/* check if address is in the same windows as the previous access */
+static int qla82xx_pci_is_same_window(struct scsi_qla_host *ha,
+ unsigned long long addr)
+{
+ int window;
+ unsigned long long qdr_max;
+
+ qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
+
+ if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+ QLA82XX_ADDR_DDR_NET_MAX)) {
+ /* DDR network side */
+ BUG(); /* MN access can not come here */
+ } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
+ QLA82XX_ADDR_OCM0_MAX)) {
+ return 1;
+ } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1,
+ QLA82XX_ADDR_OCM1_MAX)) {
+ return 1;
+ } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
+ qdr_max)) {
+ /* QDR network side */
+ window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
+ if (ha->qdr_sn_window == window)
+ return 1;
+ }
+
+ return 0;
+}
+
+static int qla82xx_pci_mem_read_direct(struct scsi_qla_host *ha,
+ u64 off, void *data, int size)
+{
+ unsigned long flags;
+ void __iomem *addr;
+ int ret = 0;
+ u64 start;
+ void __iomem *mem_ptr = NULL;
+ unsigned long mem_base;
+ unsigned long mem_page;
+
+ write_lock_irqsave(&ha->hw_lock, flags);
+
+ /*
+ * If attempting to access unknown address or straddle hw windows,
+ * do not access.
+ */
+ start = qla82xx_pci_set_window(ha, off);
+ if ((start == -1UL) ||
+ (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ printk(KERN_ERR"%s out of bound pci memory access. "
+ "offset is 0x%llx\n", DRIVER_NAME, off);
+ return -1;
+ }
+
+ addr = qla82xx_pci_base_offsetfset(ha, start);
+ if (!addr) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ mem_base = pci_resource_start(ha->pdev, 0);
+ mem_page = start & PAGE_MASK;
+ /* Map two pages whenever user tries to access addresses in two
+ consecutive pages.
+ */
+ if (mem_page != ((start + size - 1) & PAGE_MASK))
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
+ else
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+
+ if (mem_ptr == NULL) {
+ *(u8 *)data = 0;
+ return -1;
+ }
+ addr = mem_ptr;
+ addr += start & (PAGE_SIZE - 1);
+ write_lock_irqsave(&ha->hw_lock, flags);
+ }
+
+ switch (size) {
+ case 1:
+ *(u8 *)data = readb(addr);
+ break;
+ case 2:
+ *(u16 *)data = readw(addr);
+ break;
+ case 4:
+ *(u32 *)data = readl(addr);
+ break;
+ case 8:
+ *(u64 *)data = readq(addr);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+
+ if (mem_ptr)
+ iounmap(mem_ptr);
+ return ret;
+}
+
+static int
+qla82xx_pci_mem_write_direct(struct scsi_qla_host *ha, u64 off,
+ void *data, int size)
+{
+ unsigned long flags;
+ void __iomem *addr;
+ int ret = 0;
+ u64 start;
+ void __iomem *mem_ptr = NULL;
+ unsigned long mem_base;
+ unsigned long mem_page;
+
+ write_lock_irqsave(&ha->hw_lock, flags);
+
+ /*
+ * If attempting to access unknown address or straddle hw windows,
+ * do not access.
+ */
+ start = qla82xx_pci_set_window(ha, off);
+ if ((start == -1UL) ||
+ (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ printk(KERN_ERR"%s out of bound pci memory access. "
+ "offset is 0x%llx\n", DRIVER_NAME, off);
+ return -1;
+ }
+
+ addr = qla82xx_pci_base_offsetfset(ha, start);
+ if (!addr) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ mem_base = pci_resource_start(ha->pdev, 0);
+ mem_page = start & PAGE_MASK;
+ /* Map two pages whenever user tries to access addresses in two
+ consecutive pages.
+ */
+ if (mem_page != ((start + size - 1) & PAGE_MASK))
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
+ else
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+ if (mem_ptr == NULL)
+ return -1;
+
+ addr = mem_ptr;
+ addr += start & (PAGE_SIZE - 1);
+ write_lock_irqsave(&ha->hw_lock, flags);
+ }
+
+ switch (size) {
+ case 1:
+ writeb(*(u8 *)data, addr);
+ break;
+ case 2:
+ writew(*(u16 *)data, addr);
+ break;
+ case 4:
+ writel(*(u32 *)data, addr);
+ break;
+ case 8:
+ writeq(*(u64 *)data, addr);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ if (mem_ptr)
+ iounmap(mem_ptr);
+ return ret;
+}
+
+#define MTU_FUDGE_FACTOR 100
+
+static unsigned long
+qla82xx_decode_crb_addr(unsigned long addr)
+{
+ int i;
+ unsigned long base_addr, offset, pci_base;
+
+ if (!qla82xx_crb_table_initialized)
+ qla82xx_crb_addr_transform_setup();
+
+ pci_base = ADDR_ERROR;
+ base_addr = addr & 0xfff00000;
+ offset = addr & 0x000fffff;
+
+ for (i = 0; i < MAX_CRB_XFORM; i++) {
+ if (crb_addr_xform[i] == base_addr) {
+ pci_base = i << 20;
+ break;
+ }
+ }
+ if (pci_base == ADDR_ERROR)
+ return pci_base;
+ else
+ return pci_base + offset;
+}
+
+static long rom_max_timeout = 100;
+static long qla82xx_rom_lock_timeout = 100;
+
+static int
+qla82xx_rom_lock(struct scsi_qla_host *ha)
+{
+ int i;
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore2 from PCI HW block */
+
+ done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
+ if (done == 1)
+ break;
+ if (timeout >= qla82xx_rom_lock_timeout)
+ return -1;
+
+ timeout++;
+
+ /* Yield CPU */
+ if (!in_interrupt())
+ schedule();
+ else {
+ for (i = 0; i < 20; i++)
+ cpu_relax(); /*This a nop instr on i386*/
+ }
+ }
+ qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
+ return 0;
+}
+
+static void
+qla82xx_rom_unlock(struct scsi_qla_host *ha)
+{
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+}
+
+static int
+qla82xx_wait_rom_done(struct scsi_qla_host *ha)
+{
+ long timeout = 0;
+ long done = 0 ;
+
+ while (done == 0) {
+ done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
+ done &= 2;
+ timeout++;
+ if (timeout >= rom_max_timeout) {
+ printk("%s: Timeout reached waiting for rom done",
+ DRIVER_NAME);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int
+qla82xx_do_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
+{
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb);
+ if (qla82xx_wait_rom_done(ha)) {
+ printk("%s: Error waiting for rom done\n", DRIVER_NAME);
+ return -1;
+ }
+ /* reset abyte_cnt and dummy_byte_cnt */
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ udelay(10);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
+
+ *valp = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
+ return 0;
+}
+
+static int
+qla82xx_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
+{
+ int ret, loops = 0;
+
+ while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
+ udelay(100);
+ loops++;
+ }
+ if (loops >= 50000) {
+ printk("%s: qla82xx_rom_lock failed\n", DRIVER_NAME);
+ return -1;
+ }
+ ret = qla82xx_do_rom_fast_read(ha, addr, valp);
+ qla82xx_rom_unlock(ha);
+ return ret;
+}
+
+/**
+ * This routine does CRB initialize sequence
+ * to put the ISP into operational state
+ **/
+static int
+qla82xx_pinit_from_rom(struct scsi_qla_host *ha, int verbose)
+{
+ int addr, val;
+ int i ;
+ struct crb_addr_pair *buf;
+ unsigned long off;
+ unsigned offset, n;
+
+ struct crb_addr_pair {
+ long addr;
+ long data;
+ };
+
+ /* Halt all the indiviual PEGs and other blocks of the ISP */
+ qla82xx_rom_lock(ha);
+ if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
+ /* don't reset CAM block on reset */
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
+ else
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
+
+ qla82xx_rom_unlock(ha);
+
+ /* Read the signature value from the flash.
+ * Offset 0: Contain signature (0xcafecafe)
+ * Offset 4: Offset and number of addr/value pairs
+ * that present in CRB initialize sequence
+ */
+ if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
+ qla82xx_rom_fast_read(ha, 4, &n) != 0) {
+ ql4_printk(KERN_WARNING, ha,
+ "[ERROR] Reading crb_init area: n: %08x\n", n);
+ return -1;
+ }
+
+ /* Offset in flash = lower 16 bits
+ * Number of enteries = upper 16 bits
+ */
+ offset = n & 0xffffU;
+ n = (n >> 16) & 0xffffU;
+
+ /* number of addr/value pair should not exceed 1024 enteries */
+ if (n >= 1024) {
+ ql4_printk(KERN_WARNING, ha,
+ "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n",
+ DRIVER_NAME, __func__, n);
+ return -1;
+ }
+
+ ql4_printk(KERN_INFO, ha,
+ "%s: %d CRB init values found in ROM.\n", DRIVER_NAME, n);
+
+ buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
+ if (buf == NULL) {
+ ql4_printk(KERN_WARNING, ha,
+ "%s: [ERROR] Unable to malloc memory.\n", DRIVER_NAME);
+ return -1;
+ }
+
+ for (i = 0; i < n; i++) {
+ if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
+ qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
+ kfree(buf);
+ return -1;
+ }
+
+ buf[i].addr = addr;
+ buf[i].data = val;
+ }
+
+ for (i = 0; i < n; i++) {
+ /* Translate internal CRB initialization
+ * address to PCI bus address
+ */
+ off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
+ QLA82XX_PCI_CRBSPACE;
+ /* Not all CRB addr/value pair to be written,
+ * some of them are skipped
+ */
+
+ /* skip if LS bit is set*/
+ if (off & 0x1) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Skip CRB init replay for offset = 0x%lx\n", off));
+ continue;
+ }
+
+ /* skipping cold reboot MAGIC */
+ if (off == QLA82XX_CAM_RAM(0x1fc))
+ continue;
+
+ /* do not reset PCI */
+ if (off == (ROMUSB_GLB + 0xbc))
+ continue;
+
+ /* skip core clock, so that firmware can increase the clock */
+ if (off == (ROMUSB_GLB + 0xc8))
+ continue;
+
+ /* skip the function enable register */
+ if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
+ continue;
+
+ if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
+ continue;
+
+ if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
+ continue;
+
+ if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
+ continue;
+
+ if (off == ADDR_ERROR) {
+ ql4_printk(KERN_WARNING, ha,
+ "%s: [ERROR] Unknown addr: 0x%08lx\n",
+ DRIVER_NAME, buf[i].addr);
+ continue;
+ }
+
+ qla82xx_wr_32(ha, off, buf[i].data);
+
+ /* ISP requires much bigger delay to settle down,
+ * else crb_window returns 0xffffffff
+ */
+ if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
+ msleep(1000);
+
+ /* ISP requires millisec delay between
+ * successive CRB register updation
+ */
+ msleep(1);
+ }
+
+ kfree(buf);
+
+ /* Resetting the data and instruction cache */
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
+
+ /* Clear all protocol processing engines */
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
+
+ return 0;
+}
+
+static int qla82xx_check_for_bad_spd(struct scsi_qla_host *ha)
+{
+ u32 val = 0;
+ val = qla82xx_rd_32(ha, BOOT_LOADER_DIMM_STATUS) ;
+ val &= QLA82XX_BOOT_LOADER_MN_ISSUE;
+ if (val & QLA82XX_PEG_TUNE_MN_SPD_ZEROED) {
+ printk("Memory DIMM SPD not programmed. Assumed valid.\n");
+ return 1;
+ } else if (val) {
+ printk("Memory DIMM type incorrect. Info:%08X.\n", val);
+ return 2;
+ }
+ return 0;
+}
+
+static int
+qla82xx_load_from_flash(struct scsi_qla_host *ha, uint32_t image_start)
+{
+ int i;
+ long size = 0;
+ long flashaddr, memaddr;
+ u64 data;
+ u32 high, low;
+
+ flashaddr = memaddr = ha->hw.flt_region_bootload;
+ size = (image_start - flashaddr)/8;
+
+ DEBUG2(printk("scsi%ld: %s: bootldr=0x%lx, fw_image=0x%x\n",
+ ha->host_no, __func__, flashaddr, image_start));
+
+ for (i = 0; i < size; i++) {
+ if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
+ (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
+ return -1;
+ }
+ data = ((u64)high << 32) | low ;
+ qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
+ flashaddr += 8;
+ memaddr += 8;
+
+ if (i%0x1000 == 0)
+ msleep(1);
+
+ }
+
+ udelay(100);
+
+ read_lock(&ha->hw_lock);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
+ read_unlock(&ha->hw_lock);
+
+ return 0;
+}
+
+static int qla82xx_load_fw(struct scsi_qla_host *ha, uint32_t image_start)
+{
+ u32 rst;
+
+ qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
+ if (qla82xx_pinit_from_rom(ha, 0) != QLA_SUCCESS) {
+ printk(KERN_WARNING "%s: Error during CRB Initialization\n",
+ __func__);
+ return QLA_ERROR;
+ }
+
+ udelay(500);
+
+ /* at this point, QM is in reset. This could be a problem if there are
+ * incoming d* transition queue messages. QM/PCIE could wedge.
+ * To get around this, QM is brought out of reset.
+ */
+
+ rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
+ /* unreset qm */
+ rst &= ~(1 << 28);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
+
+ if (qla82xx_load_from_flash(ha, image_start)) {
+ printk("%s: Error trying to load fw from flash!\n", __func__);
+ return QLA_ERROR;
+ }
+
+ return QLA_SUCCESS;
+}
+
+int
+qla82xx_pci_mem_read_2M(struct scsi_qla_host *ha,
+ u64 off, void *data, int size)
+{
+ int i, j = 0, k, start, end, loop, sz[2], off0[2];
+ int shift_amount;
+ uint32_t temp;
+ uint64_t off8, val, mem_crb, word[2] = {0, 0};
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+
+ if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
+ mem_crb = QLA82XX_CRB_QDR_NET;
+ else {
+ mem_crb = QLA82XX_CRB_DDR_NET;
+ if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+ return qla82xx_pci_mem_read_direct(ha,
+ off, data, size);
+ }
+
+
+ off8 = off & 0xfffffff0;
+ off0[0] = off & 0xf;
+ sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
+ shift_amount = 4;
+
+ loop = ((off0[0] + size - 1) >> shift_amount) + 1;
+ off0[1] = 0;
+ sz[1] = size - sz[0];
+
+ for (i = 0; i < loop; i++) {
+ temp = off8 + (i << shift_amount);
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
+ temp = 0;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
+ temp = MIU_TA_CTL_ENABLE;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ if (printk_ratelimit())
+ ql4_printk(KERN_ERR, ha,
+ "failed to read through agent\n");
+ break;
+ }
+
+ start = off0[i] >> 2;
+ end = (off0[i] + sz[i] - 1) >> 2;
+ for (k = start; k <= end; k++) {
+ temp = qla82xx_rd_32(ha,
+ mem_crb + MIU_TEST_AGT_RDDATA(k));
+ word[i] |= ((uint64_t)temp << (32 * (k & 1)));
+ }
+ }
+
+ if (j >= MAX_CTL_CHECK)
+ return -1;
+
+ if ((off0[0] & 7) == 0) {
+ val = word[0];
+ } else {
+ val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+ ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+ }
+
+ switch (size) {
+ case 1:
+ *(uint8_t *)data = val;
+ break;
+ case 2:
+ *(uint16_t *)data = val;
+ break;
+ case 4:
+ *(uint32_t *)data = val;
+ break;
+ case 8:
+ *(uint64_t *)data = val;
+ break;
+ }
+ return 0;
+}
+
+int
+qla82xx_pci_mem_write_2M(struct scsi_qla_host *ha,
+ u64 off, void *data, int size)
+{
+ int i, j, ret = 0, loop, sz[2], off0;
+ int scale, shift_amount, startword;
+ uint32_t temp;
+ uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+ if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
+ mem_crb = QLA82XX_CRB_QDR_NET;
+ else {
+ mem_crb = QLA82XX_CRB_DDR_NET;
+ if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+ return qla82xx_pci_mem_write_direct(ha,
+ off, data, size);
+ }
+
+ off0 = off & 0x7;
+ sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+ sz[1] = size - sz[0];
+
+ off8 = off & 0xfffffff0;
+ loop = (((off & 0xf) + size - 1) >> 4) + 1;
+ shift_amount = 4;
+ scale = 2;
+ startword = (off & 0xf)/8;
+
+ for (i = 0; i < loop; i++) {
+ if (qla82xx_pci_mem_read_2M(ha, off8 +
+ (i << shift_amount), &word[i * scale], 8))
+ return -1;
+ }
+
+ switch (size) {
+ case 1:
+ tmpw = *((uint8_t *)data);
+ break;
+ case 2:
+ tmpw = *((uint16_t *)data);
+ break;
+ case 4:
+ tmpw = *((uint32_t *)data);
+ break;
+ case 8:
+ default:
+ tmpw = *((uint64_t *)data);
+ break;
+ }
+
+ if (sz[0] == 8)
+ word[startword] = tmpw;
+ else {
+ word[startword] &=
+ ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+ word[startword] |= tmpw << (off0 * 8);
+ }
+
+ if (sz[1] != 0) {
+ word[startword+1] &= ~(~0ULL << (sz[1] * 8));
+ word[startword+1] |= tmpw >> (sz[0] * 8);
+ }
+
+ for (i = 0; i < loop; i++) {
+ temp = off8 + (i << shift_amount);
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
+ temp = 0;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
+ temp = word[i * scale] & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
+ temp = (word[i * scale] >> 32) & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
+ temp = word[i*scale + 1] & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
+ temp = (word[i*scale + 1] >> 32) & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
+
+ temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ if (printk_ratelimit())
+ ql4_printk(KERN_ERR, ha,
+ "failed to write through agent\n");
+ ret = -1;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static int qla82xx_cmdpeg_ready(struct scsi_qla_host *ha, int pegtune_val)
+{
+ u32 val = 0;
+ int retries = 60;
+
+ if (!pegtune_val) {
+ do {
+ val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
+ if ((val == PHAN_INITIALIZE_COMPLETE) ||
+ (val == PHAN_INITIALIZE_ACK))
+ return 0;
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(500);
+
+ } while (--retries);
+
+ qla82xx_check_for_bad_spd(ha);
+
+ if (!retries) {
+ pegtune_val = qla82xx_rd_32(ha,
+ QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
+ printk(KERN_WARNING "%s: init failed, "
+ "pegtune_val = %x\n", __func__, pegtune_val);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int qla82xx_rcvpeg_ready(struct scsi_qla_host *ha)
+{
+ uint32_t state = 0;
+ int loops = 0;
+
+ /* Window 1 call */
+ read_lock(&ha->hw_lock);
+ state = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
+ read_unlock(&ha->hw_lock);
+
+ while ((state != PHAN_PEG_RCV_INITIALIZED) && (loops < 30000)) {
+ udelay(100);
+ /* Window 1 call */
+ read_lock(&ha->hw_lock);
+ state = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
+ read_unlock(&ha->hw_lock);
+
+ loops++;
+ }
+
+ if (loops >= 30000) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Receive Peg initialization not complete: 0x%x.\n", state));
+ return QLA_ERROR;
+ }
+
+ return QLA_SUCCESS;
+}
+
+static inline void
+qla82xx_set_drv_active(struct scsi_qla_host *ha)
+{
+ uint32_t drv_active;
+
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ drv_active |= (1 << (ha->func_num * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
+}
+
+void
+qla82xx_clear_drv_active(struct scsi_qla_host *ha)
+{
+ uint32_t drv_active;
+
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ drv_active &= ~(1 << (ha->func_num * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
+}
+
+static inline int
+qla82xx_need_reset(struct scsi_qla_host *ha)
+{
+ uint32_t drv_state;
+ int rval;
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ rval = drv_state & (1 << (ha->func_num * 4));
+ return rval;
+}
+
+static inline void
+qla82xx_set_rst_ready(struct scsi_qla_host *ha)
+{
+ uint32_t drv_state;
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_state |= (1 << (ha->func_num * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
+}
+
+static inline void
+qla82xx_clear_rst_ready(struct scsi_qla_host *ha)
+{
+ uint32_t drv_state;
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_state &= ~(1 << (ha->func_num * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
+}
+
+static inline void
+qla82xx_set_qsnt_ready(struct scsi_qla_host *ha)
+{
+ uint32_t qsnt_state;
+
+ qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ qsnt_state |= (2 << (ha->func_num * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
+}
+
+
+static int
+qla82xx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start)
+{
+ int pcie_cap;
+ uint16_t lnk;
+
+ /* scrub dma mask expansion register */
+ qla82xx_wr_32(ha, CRB_DMA_SHIFT, 0x55555555);
+
+ /* Overwrite stale initialization register values */
+ qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
+ qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
+ qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
+ qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
+
+ if (qla82xx_load_fw(ha, image_start) != QLA_SUCCESS) {
+ printk("%s: Error trying to start fw!\n", __func__);
+ return QLA_ERROR;
+ }
+
+ /* Handshake with the card before we register the devices. */
+ if (qla82xx_cmdpeg_ready(ha, 0) != QLA_SUCCESS) {
+ printk("%s: Error during card handshake!\n", __func__);
+ return QLA_ERROR;
+ }
+
+ /* Negotiated Link width */
+ pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
+ pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
+ ha->link_width = (lnk >> 4) & 0x3f;
+
+ /* Synchronize with Receive peg */
+ return qla82xx_rcvpeg_ready(ha);
+}
+
+static int
+qla82xx_try_start_fw(struct scsi_qla_host *ha)
+{
+ int rval = QLA_ERROR;
+
+ /*
+ * FW Load priority:
+ * 1) Operational firmware residing in flash.
+ * 2) Fail
+ */
+
+ ql4_printk(KERN_INFO, ha,
+ "FW: Retrieving flash offsets from FLT/FDT ...\n");
+ rval = qla82xx_get_flash_info(ha);
+ if (rval != QLA_SUCCESS)
+ return rval;
+
+ ql4_printk(KERN_INFO, ha,
+ "FW: Attempting to load firmware from flash...\n");
+ rval = qla82xx_start_firmware(ha, ha->hw.flt_region_fw);
+ if (rval == QLA_SUCCESS)
+ return rval;
+
+ ql4_printk(KERN_ERR, ha, "FW: Load firmware from flash FAILED...\n");
+
+ return rval;
+}
+
+/**
+ * qla82xx_device_bootstrap - Initialize device, set DEV_READY, start fw
+ * @ha: pointer to adapter structure
+ *
+ * Note: IDC lock must be held upon entry
+ **/
+static int
+qla82xx_device_bootstrap(struct scsi_qla_host *ha)
+{
+ int rval, i, timeout;
+ uint32_t old_count, count;
+
+ if (qla82xx_need_reset(ha))
+ goto dev_initialize;
+
+ old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+
+ for (i = 0; i < 10; i++) {
+ timeout = msleep_interruptible(200);
+ if (timeout) {
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_FAILED);
+ return QLA_ERROR;
+ }
+
+ count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+ if (count != old_count)
+ goto dev_ready;
+ }
+
+dev_initialize:
+ /* set to DEV_INITIALIZING */
+ ql4_printk(KERN_INFO, ha, "HW State: INITIALIZING\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING);
+
+ /* Driver that sets device state to initializating sets IDC version */
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
+
+ qla82xx_idc_unlock(ha);
+ rval = qla82xx_try_start_fw(ha);
+ qla82xx_idc_lock(ha);
+
+ if (rval != QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
+ qla82xx_clear_drv_active(ha);
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED);
+ return rval;
+ }
+
+dev_ready:
+ ql4_printk(KERN_INFO, ha, "HW State: READY\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla82xx_need_reset_handler - Code to start reset sequence
+ * @ha: pointer to adapter structure
+ *
+ * Note: IDC lock must be held upon entry
+ **/
+static void
+qla82xx_need_reset_handler(struct scsi_qla_host *ha)
+{
+ uint32_t dev_state, drv_state, drv_active;
+ unsigned long reset_timeout;
+
+ ql4_printk(KERN_INFO, ha,
+ "Performing ISP error recovery\n");
+
+ if (test_and_clear_bit(AF_ONLINE, &ha->flags)) {
+ qla82xx_idc_unlock(ha);
+ ha->isp_ops->disable_intrs(ha);
+ qla82xx_idc_lock(ha);
+ }
+
+ qla82xx_set_rst_ready(ha);
+
+ /* wait for 10 seconds for reset ack from all functions */
+ reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+
+ ql4_printk(KERN_INFO, ha,
+ "%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n",
+ __func__, ha->host_no, drv_state, drv_active);
+
+ while (drv_state != drv_active) {
+ if (time_after_eq(jiffies, reset_timeout)) {
+ printk("%s: RESET TIMEOUT!\n", DRIVER_NAME);
+ break;
+ }
+
+ qla82xx_idc_unlock(ha);
+ msleep(1000);
+ qla82xx_idc_lock(ha);
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ }
+
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ ql4_printk(KERN_INFO, ha, "3:Device state is 0x%x = %s\n", dev_state,
+ dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
+
+ /* Force to DEV_COLD unless someone else is starting a reset */
+ if (dev_state != QLA82XX_DEV_INITIALIZING) {
+ ql4_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
+ }
+}
+
+/**
+ * qla82xx_need_qsnt_handler - Code to start qsnt
+ * @ha: pointer to adapter structure
+ **/
+void
+qla82xx_need_qsnt_handler(struct scsi_qla_host *ha)
+{
+ qla82xx_idc_lock(ha);
+ qla82xx_set_qsnt_ready(ha);
+ qla82xx_idc_unlock(ha);
+}
+
+/**
+ * qla82xx_device_state_handler - Adapter state machine
+ * @ha: pointer to host adapter structure.
+ *
+ * Note: IDC lock must be UNLOCKED upon entry
+ **/
+int qla82xx_device_state_handler(struct scsi_qla_host *ha)
+{
+ uint32_t dev_state;
+ int rval = QLA_SUCCESS;
+ unsigned long dev_init_timeout;
+
+ if (!test_bit(AF_INIT_DONE, &ha->flags))
+ qla82xx_set_drv_active(ha);
+
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ ql4_printk(KERN_INFO, ha, "1:Device state is 0x%x = %s\n", dev_state,
+ dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
+
+ /* wait for 30 seconds for device to go ready */
+ dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
+
+ while (1) {
+ qla82xx_idc_lock(ha);
+
+ if (time_after_eq(jiffies, dev_init_timeout)) {
+ ql4_printk(KERN_WARNING, ha, "Device init failed!\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_FAILED);
+ }
+
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ ql4_printk(KERN_INFO, ha,
+ "2:Device state is 0x%x = %s\n", dev_state,
+ dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
+
+ /* NOTE: Make sure idc unlocked upon exit of switch statement */
+ switch (dev_state) {
+ case QLA82XX_DEV_READY:
+ qla82xx_idc_unlock(ha);
+ goto exit;
+ case QLA82XX_DEV_COLD:
+ rval = qla82xx_device_bootstrap(ha);
+ qla82xx_idc_unlock(ha);
+ goto exit;
+ case QLA82XX_DEV_INITIALIZING:
+ qla82xx_idc_unlock(ha);
+ msleep(1000);
+ break;
+ case QLA82XX_DEV_NEED_RESET:
+ if (!ql4xdontresethba) {
+ qla82xx_need_reset_handler(ha);
+ /* Update timeout value after need
+ * reset handler */
+ dev_init_timeout = jiffies +
+ (ha->nx_dev_init_timeout * HZ);
+ }
+ qla82xx_idc_unlock(ha);
+ break;
+ case QLA82XX_DEV_NEED_QUIESCENT:
+ qla82xx_idc_unlock(ha);
+ /* idc locked/unlocked in handler */
+ qla82xx_need_qsnt_handler(ha);
+ qla82xx_idc_lock(ha);
+ /* fall thru needs idc_locked */
+ case QLA82XX_DEV_QUIESCENT:
+ qla82xx_idc_unlock(ha);
+ msleep(1000);
+ break;
+ case QLA82XX_DEV_FAILED:
+ qla82xx_idc_unlock(ha);
+ qla4xxx_dead_adapter_cleanup(ha);
+ rval = QLA_ERROR;
+ goto exit;
+ default:
+ qla82xx_idc_unlock(ha);
+ qla4xxx_dead_adapter_cleanup(ha);
+ rval = QLA_ERROR;
+ goto exit;
+ }
+ }
+exit:
+ return rval;
+}
+
+int qla82xx_load_risc(struct scsi_qla_host *ha)
+{
+ int retval;
+ retval = qla82xx_device_state_handler(ha);
+
+ if (retval == QLA_SUCCESS &&
+ !test_bit(AF_INIT_DONE, &ha->flags)) {
+ retval = qla4xxx_request_irqs(ha);
+ if (retval != QLA_SUCCESS) {
+ ql4_printk(KERN_WARNING, ha,
+ "Failed to reserve interrupt %d already in use.\n",
+ ha->pdev->irq);
+ } else {
+ set_bit(AF_IRQ_ATTACHED, &ha->flags);
+ ha->host->irq = ha->pdev->irq;
+ ql4_printk(KERN_INFO, ha, "%s: irq %d attached\n",
+ __func__, ha->pdev->irq);
+ }
+ }
+ return retval;
+}
+
+/*****************************************************************************/
+/* Flash Manipulation Routines */
+/*****************************************************************************/
+
+#define OPTROM_BURST_SIZE 0x1000
+#define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4)
+
+#define FARX_DATA_FLAG BIT_31
+#define FARX_ACCESS_FLASH_CONF 0x7FFD0000
+#define FARX_ACCESS_FLASH_DATA 0x7FF00000
+
+static inline uint32_t
+flash_conf_addr(struct ql82xx_hw_data *hw, uint32_t faddr)
+{
+ return hw->flash_conf_off | faddr;
+}
+
+static inline uint32_t
+flash_data_addr(struct ql82xx_hw_data *hw, uint32_t faddr)
+{
+ return hw->flash_data_off | faddr;
+}
+
+static uint32_t *
+qla82xx_read_flash_data(struct scsi_qla_host *ha, uint32_t *dwptr,
+ uint32_t faddr, uint32_t length)
+{
+ uint32_t i;
+ uint32_t val;
+ int loops = 0;
+ while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
+ udelay(100);
+ cond_resched();
+ loops++;
+ }
+ if (loops >= 50000) {
+ ql4_printk(KERN_WARNING, ha, "ROM lock failed\n");
+ return dwptr;
+ }
+
+ /* Dword reads to flash. */
+ for (i = 0; i < length/4; i++, faddr += 4) {
+ if (qla82xx_do_rom_fast_read(ha, faddr, &val)) {
+ ql4_printk(KERN_WARNING, ha,
+ "Do ROM fast read failed\n");
+ goto done_read;
+ }
+ dwptr[i] = __constant_cpu_to_le32(val);
+ }
+
+done_read:
+ qla82xx_rom_unlock(ha);
+ return dwptr;
+}
+
+/**
+ * Address and length are byte address
+ **/
+static uint8_t *
+qla82xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
+ uint32_t offset, uint32_t length)
+{
+ qla82xx_read_flash_data(ha, (uint32_t *)buf, offset, length);
+ return buf;
+}
+
+static int
+qla82xx_find_flt_start(struct scsi_qla_host *ha, uint32_t *start)
+{
+ const char *loc, *locations[] = { "DEF", "PCI" };
+
+ /*
+ * FLT-location structure resides after the last PCI region.
+ */
+
+ /* Begin with sane defaults. */
+ loc = locations[0];
+ *start = FA_FLASH_LAYOUT_ADDR_82;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "FLTL[%s] = 0x%x.\n", loc, *start));
+ return QLA_SUCCESS;
+}
+
+static void
+qla82xx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr)
+{
+ const char *loc, *locations[] = { "DEF", "FLT" };
+ uint16_t *wptr;
+ uint16_t cnt, chksum;
+ uint32_t start;
+ struct qla_flt_header *flt;
+ struct qla_flt_region *region;
+ struct ql82xx_hw_data *hw = &ha->hw;
+
+ hw->flt_region_flt = flt_addr;
+ wptr = (uint16_t *)ha->request_ring;
+ flt = (struct qla_flt_header *)ha->request_ring;
+ region = (struct qla_flt_region *)&flt[1];
+ qla82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
+ flt_addr << 2, OPTROM_BURST_SIZE);
+ if (*wptr == __constant_cpu_to_le16(0xffff))
+ goto no_flash_data;
+ if (flt->version != __constant_cpu_to_le16(1)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Unsupported FLT detected: "
+ "version=0x%x length=0x%x checksum=0x%x.\n",
+ le16_to_cpu(flt->version), le16_to_cpu(flt->length),
+ le16_to_cpu(flt->checksum)));
+ goto no_flash_data;
+ }
+
+ cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
+ for (chksum = 0; cnt; cnt--)
+ chksum += le16_to_cpu(*wptr++);
+ if (chksum) {
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FLT detected: "
+ "version=0x%x length=0x%x checksum=0x%x.\n",
+ le16_to_cpu(flt->version), le16_to_cpu(flt->length),
+ chksum));
+ goto no_flash_data;
+ }
+
+ loc = locations[1];
+ cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
+ for ( ; cnt; cnt--, region++) {
+ /* Store addresses as DWORD offsets. */
+ start = le32_to_cpu(region->start) >> 2;
+
+ DEBUG3(ql4_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x "
+ "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start,
+ le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size)));
+
+ switch (le32_to_cpu(region->code) & 0xff) {
+ case FLT_REG_FDT:
+ hw->flt_region_fdt = start;
+ break;
+ case FLT_REG_BOOT_CODE_82:
+ hw->flt_region_boot = start;
+ break;
+ case FLT_REG_FW_82:
+ hw->flt_region_fw = start;
+ break;
+ case FLT_REG_BOOTLOAD_82:
+ hw->flt_region_bootload = start;
+ break;
+ }
+ }
+ goto done;
+
+no_flash_data:
+ /* Use hardcoded defaults. */
+ loc = locations[0];
+
+ hw->flt_region_fdt = FA_FLASH_DESCR_ADDR_82;
+ 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;
+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,
+ hw->flt_region_fdt, hw->flt_region_boot, hw->flt_region_bootload,
+ hw->flt_region_fw));
+}
+
+static void
+qla82xx_get_fdt_info(struct scsi_qla_host *ha)
+{
+#define FLASH_BLK_SIZE_4K 0x1000
+#define FLASH_BLK_SIZE_32K 0x8000
+#define FLASH_BLK_SIZE_64K 0x10000
+ const char *loc, *locations[] = { "MID", "FDT" };
+ uint16_t cnt, chksum;
+ uint16_t *wptr;
+ struct qla_fdt_layout *fdt;
+ uint16_t mid, fid;
+ struct ql82xx_hw_data *hw = &ha->hw;
+
+ hw->flash_conf_off = FARX_ACCESS_FLASH_CONF;
+ hw->flash_data_off = FARX_ACCESS_FLASH_DATA;
+
+ wptr = (uint16_t *)ha->request_ring;
+ fdt = (struct qla_fdt_layout *)ha->request_ring;
+ qla82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
+ hw->flt_region_fdt << 2, OPTROM_BURST_SIZE);
+
+ if (*wptr == __constant_cpu_to_le16(0xffff))
+ goto no_flash_data;
+
+ if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
+ fdt->sig[3] != 'D')
+ goto no_flash_data;
+
+ for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
+ cnt++)
+ chksum += le16_to_cpu(*wptr++);
+
+ if (chksum) {
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FDT detected: "
+ "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0],
+ le16_to_cpu(fdt->version)));
+ goto no_flash_data;
+ }
+
+ loc = locations[1];
+ mid = le16_to_cpu(fdt->man_id);
+ fid = le16_to_cpu(fdt->id);
+ hw->fdt_wrt_disable = fdt->wrt_disable_bits;
+ hw->fdt_erase_cmd = flash_conf_addr(hw, 0x0300 | fdt->erase_cmd);
+ hw->fdt_block_size = le32_to_cpu(fdt->block_size);
+
+ if (fdt->unprotect_sec_cmd) {
+ hw->fdt_unprotect_sec_cmd = flash_conf_addr(hw, 0x0300 |
+ fdt->unprotect_sec_cmd);
+ hw->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
+ flash_conf_addr(hw, 0x0300 | fdt->protect_sec_cmd) :
+ flash_conf_addr(hw, 0x0336);
+ }
+ goto done;
+
+no_flash_data:
+ loc = locations[0];
+ hw->fdt_block_size = FLASH_BLK_SIZE_64K;
+done:
+ DEBUG2(ql4_printk(KERN_INFO, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x "
+ "pro=%x upro=%x wrtd=0x%x blk=0x%x.\n", loc, mid, fid,
+ hw->fdt_erase_cmd, hw->fdt_protect_sec_cmd,
+ hw->fdt_unprotect_sec_cmd, hw->fdt_wrt_disable,
+ hw->fdt_block_size));
+}
+
+static void
+qla82xx_get_idc_param(struct scsi_qla_host *ha)
+{
+#define QLA82XX_IDC_PARAM_ADDR 0x003e885c
+ uint32_t *wptr;
+
+ if (!is_qla8022(ha))
+ return;
+ wptr = (uint32_t *)ha->request_ring;
+ qla82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
+ QLA82XX_IDC_PARAM_ADDR , 8);
+
+ if (*wptr == __constant_cpu_to_le32(0xffffffff)) {
+ ha->nx_dev_init_timeout = ROM_DEV_INIT_TIMEOUT;
+ ha->nx_reset_timeout = ROM_DRV_RESET_ACK_TIMEOUT;
+ } else {
+ ha->nx_dev_init_timeout = le32_to_cpu(*wptr++);
+ ha->nx_reset_timeout = le32_to_cpu(*wptr);
+ }
+
+ DEBUG2(ql4_printk(KERN_DEBUG, ha,
+ "ha->nx_dev_init_timeout = %d\n", ha->nx_dev_init_timeout));
+ DEBUG2(ql4_printk(KERN_DEBUG, ha,
+ "ha->nx_reset_timeout = %d\n", ha->nx_reset_timeout));
+ return;
+}
+
+int
+qla82xx_get_flash_info(struct scsi_qla_host *ha)
+{
+ int ret;
+ uint32_t flt_addr;
+
+ ret = qla82xx_find_flt_start(ha, &flt_addr);
+ if (ret != QLA_SUCCESS)
+ return ret;
+
+ qla82xx_get_flt_info(ha, flt_addr);
+ qla82xx_get_fdt_info(ha);
+ qla82xx_get_idc_param(ha);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla82xx_stop_firmware - stops firmware on specified adapter instance
+ * @ha: pointer to host adapter structure.
+ *
+ * Remarks:
+ * For iSCSI, throws away all I/O and AENs into bit bucket, so they will
+ * not be available after successful return. Driver must cleanup potential
+ * outstanding I/O's after calling this funcion.
+ **/
+int
+qla82xx_stop_firmware(struct scsi_qla_host *ha)
+{
+ int status;
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+ mbox_cmd[0] = MBOX_CMD_STOP_FW;
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1,
+ &mbox_cmd[0], &mbox_sts[0]);
+
+ DEBUG2(printk("scsi%ld: %s: status = %d\n", ha->host_no,
+ __func__, status));
+ return status;
+}
+
+/**
+ * qla82xx_isp_reset - Resets ISP and aborts all outstanding commands.
+ * @ha: pointer to host adapter structure.
+ **/
+int
+qla82xx_isp_reset(struct scsi_qla_host *ha)
+{
+ int rval;
+ uint32_t dev_state;
+
+ qla82xx_idc_lock(ha);
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+
+ if (dev_state == QLA82XX_DEV_READY) {
+ ql4_printk(KERN_INFO, ha, "HW State: NEED RESET\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_NEED_RESET);
+ } else
+ ql4_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n");
+
+ qla82xx_idc_unlock(ha);
+
+ rval = qla82xx_device_state_handler(ha);
+
+ qla82xx_idc_lock(ha);
+ qla82xx_clear_rst_ready(ha);
+ qla82xx_idc_unlock(ha);
+
+ return rval;
+}
+
+/**
+ * qla82xx_get_sys_info - get adapter MAC address(es) and serial number
+ * @ha: pointer to host adapter structure.
+ *
+ **/
+int qla82xx_get_sys_info(struct scsi_qla_host *ha)
+{
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+ struct mbx_sys_info *sys_info;
+ dma_addr_t sys_info_dma;
+ int status = QLA_ERROR;
+
+ sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
+ &sys_info_dma, GFP_KERNEL);
+ if (sys_info == NULL) {
+ DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
+ ha->host_no, __func__));
+ return status;
+ }
+
+ memset(sys_info, 0, sizeof(*sys_info));
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+ mbox_cmd[0] = MBOX_CMD_GET_SYS_INFO;
+ mbox_cmd[1] = LSDW(sys_info_dma);
+ mbox_cmd[2] = MSDW(sys_info_dma);
+ mbox_cmd[4] = sizeof(*sys_info);
+
+ if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 6, &mbox_cmd[0],
+ &mbox_sts[0]) != QLA_SUCCESS) {
+ DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO failed\n",
+ ha->host_no, __func__));
+ goto exit_validate_mac82;
+ }
+
+ if (mbox_sts[4] < sizeof(*sys_info)) {
+ DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive"
+ " error (%x)\n", ha->host_no, __func__, mbox_sts[4]));
+ goto exit_validate_mac82;
+
+ }
+
+ /* Save M.A.C. address & serial_number */
+ memcpy(ha->my_mac, &sys_info->mac_addr[0],
+ min(sizeof(ha->my_mac), sizeof(sys_info->mac_addr)));
+ memcpy(ha->serial_number, &sys_info->serial_number,
+ min(sizeof(ha->serial_number), sizeof(sys_info->serial_number)));
+
+ DEBUG2(printk("scsi%ld: %s: "
+ "mac %02x:%02x:%02x:%02x:%02x:%02x "
+ "serial %s\n", ha->host_no, __func__,
+ ha->my_mac[0], ha->my_mac[1], ha->my_mac[2],
+ ha->my_mac[3], ha->my_mac[4], ha->my_mac[5],
+ ha->serial_number));
+
+ status = QLA_SUCCESS;
+
+exit_validate_mac82:
+ dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info,
+ sys_info_dma);
+ return status;
+}
+
+/* Interrupt handling helpers. */
+
+static int
+qla82xx_mbx_intr_enable(struct scsi_qla_host *ha)
+{
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__));
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+ mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS;
+ mbox_cmd[1] = INTR_ENABLE;
+ if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+ &mbox_sts[0]) != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n",
+ __func__, mbox_sts[0]));
+ return QLA_ERROR;
+ }
+ return QLA_SUCCESS;
+}
+
+static int
+qla82xx_mbx_intr_disable(struct scsi_qla_host *ha)
+{
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__));
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+ mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS;
+ mbox_cmd[1] = INTR_DISABLE;
+ if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+ &mbox_sts[0]) != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n",
+ __func__, mbox_sts[0]));
+ return QLA_ERROR;
+ }
+
+ return QLA_SUCCESS;
+}
+
+void
+qla82xx_enable_intrs(struct scsi_qla_host *ha)
+{
+ qla82xx_mbx_intr_enable(ha);
+
+ spin_lock_irq(&ha->hardware_lock);
+ /* BIT 10 - reset */
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
+ spin_unlock_irq(&ha->hardware_lock);
+ set_bit(AF_INTERRUPTS_ON, &ha->flags);
+}
+
+void
+qla82xx_disable_intrs(struct scsi_qla_host *ha)
+{
+ if (test_bit(AF_INTERRUPTS_ON, &ha->flags))
+ qla82xx_mbx_intr_disable(ha);
+
+ spin_lock_irq(&ha->hardware_lock);
+ /* BIT 10 - set */
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
+ spin_unlock_irq(&ha->hardware_lock);
+ clear_bit(AF_INTERRUPTS_ON, &ha->flags);
+}
+
+struct ql4_init_msix_entry {
+ uint16_t entry;
+ uint16_t index;
+ const char *name;
+ irq_handler_t handler;
+};
+
+static struct ql4_init_msix_entry qla82xx_msix_entries[QLA_MSIX_ENTRIES] = {
+ { QLA_MSIX_DEFAULT, QLA_MIDX_DEFAULT,
+ "qla4xxx (default)", (irq_handler_t)qla82xx_default_intr_handler },
+
+ { QLA_MSIX_RSP_Q, QLA_MIDX_RSP_Q,
+ "qla4xxx (rsp_q)", (irq_handler_t)qla82xx_msix_rsp_q },
+};
+
+void
+qla82xx_disable_msix(struct scsi_qla_host *ha)
+{
+ int i;
+ struct ql4_msix_entry *qentry;
+
+ for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
+ qentry = &ha->msix_entries[qla82xx_msix_entries[i].index];
+ if (qentry->have_irq) {
+ free_irq(qentry->msix_vector, ha);
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n",
+ __func__, qla82xx_msix_entries[i].name));
+ }
+ }
+ pci_disable_msix(ha->pdev);
+ clear_bit(AF_MSIX_ENABLED, &ha->flags);
+}
+
+int
+qla82xx_enable_msix(struct scsi_qla_host *ha)
+{
+ int i, ret;
+ struct msix_entry entries[QLA_MSIX_ENTRIES];
+ struct ql4_msix_entry *qentry;
+
+ for (i = 0; i < QLA_MSIX_ENTRIES; i++)
+ entries[i].entry = qla82xx_msix_entries[i].entry;
+
+ ret = pci_enable_msix(ha->pdev, entries, ARRAY_SIZE(entries));
+ if (ret) {
+ ql4_printk(KERN_WARNING, ha,
+ "MSI-X: Failed to enable support -- %d/%d\n",
+ QLA_MSIX_ENTRIES, ret);
+ goto msix_out;
+ }
+ set_bit(AF_MSIX_ENABLED, &ha->flags);
+
+ for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
+ qentry = &ha->msix_entries[qla82xx_msix_entries[i].index];
+ qentry->msix_vector = entries[i].vector;
+ qentry->msix_entry = entries[i].entry;
+ qentry->have_irq = 0;
+ ret = request_irq(qentry->msix_vector,
+ qla82xx_msix_entries[i].handler, 0,
+ qla82xx_msix_entries[i].name, ha);
+ if (ret) {
+ ql4_printk(KERN_WARNING, ha,
+ "MSI-X: Unable to register handler -- %x/%d.\n",
+ qla82xx_msix_entries[i].index, ret);
+ qla82xx_disable_msix(ha);
+ goto msix_out;
+ }
+ qentry->have_irq = 1;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n",
+ __func__, qla82xx_msix_entries[i].name));
+ }
+msix_out:
+ return ret;
+}
diff --git a/drivers/scsi/qla4xxx/ql4_nx.h b/drivers/scsi/qla4xxx/ql4_nx.h
new file mode 100644
index 0000000..d1bfa9a
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_nx.h
@@ -0,0 +1,779 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c) 2003-2008 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#ifndef __QLA_NX_H
+#define __QLA_NX_H
+
+/*
+ * Following are the states of the Phantom. Phantom will set them and
+ * Host will read to check if the fields are correct.
+*/
+#define PHAN_INITIALIZE_FAILED 0xffff
+#define PHAN_INITIALIZE_COMPLETE 0xff01
+
+/* Host writes the following to notify that it has done the init-handshake */
+#define PHAN_INITIALIZE_ACK 0xf00f
+#define PHAN_PEG_RCV_INITIALIZED 0xff01
+
+/*CRB_RELATED*/
+#define QLA82XX_CRB_BASE QLA82XX_CAM_RAM(0x200)
+#define QLA82XX_REG(X) (QLA82XX_CRB_BASE+(X))
+
+#define CRB_CMDPEG_STATE QLA82XX_REG(0x50)
+#define CRB_RCVPEG_STATE QLA82XX_REG(0x13c)
+#define BOOT_LOADER_DIMM_STATUS QLA82XX_REG(0x54)
+#define CRB_DMA_SHIFT QLA82XX_REG(0xcc)
+
+#define QLA82XX_HW_H0_CH_HUB_ADR 0x05
+#define QLA82XX_HW_H1_CH_HUB_ADR 0x0E
+#define QLA82XX_HW_H2_CH_HUB_ADR 0x03
+#define QLA82XX_HW_H3_CH_HUB_ADR 0x01
+#define QLA82XX_HW_H4_CH_HUB_ADR 0x06
+#define QLA82XX_HW_H5_CH_HUB_ADR 0x07
+#define QLA82XX_HW_H6_CH_HUB_ADR 0x08
+
+/* Hub 0 */
+#define QLA82XX_HW_MN_CRB_AGT_ADR 0x15
+#define QLA82XX_HW_MS_CRB_AGT_ADR 0x25
+
+/* Hub 1 */
+#define QLA82XX_HW_PS_CRB_AGT_ADR 0x73
+#define QLA82XX_HW_QMS_CRB_AGT_ADR 0x00
+#define QLA82XX_HW_RPMX3_CRB_AGT_ADR 0x0b
+#define QLA82XX_HW_SQGS0_CRB_AGT_ADR 0x01
+#define QLA82XX_HW_SQGS1_CRB_AGT_ADR 0x02
+#define QLA82XX_HW_SQGS2_CRB_AGT_ADR 0x03
+#define QLA82XX_HW_SQGS3_CRB_AGT_ADR 0x04
+#define QLA82XX_HW_C2C0_CRB_AGT_ADR 0x58
+#define QLA82XX_HW_C2C1_CRB_AGT_ADR 0x59
+#define QLA82XX_HW_C2C2_CRB_AGT_ADR 0x5a
+#define QLA82XX_HW_RPMX2_CRB_AGT_ADR 0x0a
+#define QLA82XX_HW_RPMX4_CRB_AGT_ADR 0x0c
+#define QLA82XX_HW_RPMX7_CRB_AGT_ADR 0x0f
+#define QLA82XX_HW_RPMX9_CRB_AGT_ADR 0x12
+#define QLA82XX_HW_SMB_CRB_AGT_ADR 0x18
+
+/* Hub 2 */
+#define QLA82XX_HW_NIU_CRB_AGT_ADR 0x31
+#define QLA82XX_HW_I2C0_CRB_AGT_ADR 0x19
+#define QLA82XX_HW_I2C1_CRB_AGT_ADR 0x29
+
+#define QLA82XX_HW_SN_CRB_AGT_ADR 0x10
+#define QLA82XX_HW_I2Q_CRB_AGT_ADR 0x20
+#define QLA82XX_HW_LPC_CRB_AGT_ADR 0x22
+#define QLA82XX_HW_ROMUSB_CRB_AGT_ADR 0x21
+#define QLA82XX_HW_QM_CRB_AGT_ADR 0x66
+#define QLA82XX_HW_SQG0_CRB_AGT_ADR 0x60
+#define QLA82XX_HW_SQG1_CRB_AGT_ADR 0x61
+#define QLA82XX_HW_SQG2_CRB_AGT_ADR 0x62
+#define QLA82XX_HW_SQG3_CRB_AGT_ADR 0x63
+#define QLA82XX_HW_RPMX1_CRB_AGT_ADR 0x09
+#define QLA82XX_HW_RPMX5_CRB_AGT_ADR 0x0d
+#define QLA82XX_HW_RPMX6_CRB_AGT_ADR 0x0e
+#define QLA82XX_HW_RPMX8_CRB_AGT_ADR 0x11
+
+/* Hub 3 */
+#define QLA82XX_HW_PH_CRB_AGT_ADR 0x1A
+#define QLA82XX_HW_SRE_CRB_AGT_ADR 0x50
+#define QLA82XX_HW_EG_CRB_AGT_ADR 0x51
+#define QLA82XX_HW_RPMX0_CRB_AGT_ADR 0x08
+
+/* Hub 4 */
+#define QLA82XX_HW_PEGN0_CRB_AGT_ADR 0x40
+#define QLA82XX_HW_PEGN1_CRB_AGT_ADR 0x41
+#define QLA82XX_HW_PEGN2_CRB_AGT_ADR 0x42
+#define QLA82XX_HW_PEGN3_CRB_AGT_ADR 0x43
+#define QLA82XX_HW_PEGNI_CRB_AGT_ADR 0x44
+#define QLA82XX_HW_PEGND_CRB_AGT_ADR 0x45
+#define QLA82XX_HW_PEGNC_CRB_AGT_ADR 0x46
+#define QLA82XX_HW_PEGR0_CRB_AGT_ADR 0x47
+#define QLA82XX_HW_PEGR1_CRB_AGT_ADR 0x48
+#define QLA82XX_HW_PEGR2_CRB_AGT_ADR 0x49
+#define QLA82XX_HW_PEGR3_CRB_AGT_ADR 0x4a
+#define QLA82XX_HW_PEGN4_CRB_AGT_ADR 0x4b
+
+/* Hub 5 */
+#define QLA82XX_HW_PEGS0_CRB_AGT_ADR 0x40
+#define QLA82XX_HW_PEGS1_CRB_AGT_ADR 0x41
+#define QLA82XX_HW_PEGS2_CRB_AGT_ADR 0x42
+#define QLA82XX_HW_PEGS3_CRB_AGT_ADR 0x43
+
+#define QLA82XX_HW_PEGSI_CRB_AGT_ADR 0x44
+#define QLA82XX_HW_PEGSD_CRB_AGT_ADR 0x45
+#define QLA82XX_HW_PEGSC_CRB_AGT_ADR 0x46
+
+/* Hub 6 */
+#define QLA82XX_HW_CAS0_CRB_AGT_ADR 0x46
+#define QLA82XX_HW_CAS1_CRB_AGT_ADR 0x47
+#define QLA82XX_HW_CAS2_CRB_AGT_ADR 0x48
+#define QLA82XX_HW_CAS3_CRB_AGT_ADR 0x49
+#define QLA82XX_HW_NCM_CRB_AGT_ADR 0x16
+#define QLA82XX_HW_TMR_CRB_AGT_ADR 0x17
+#define QLA82XX_HW_XDMA_CRB_AGT_ADR 0x05
+#define QLA82XX_HW_OCM0_CRB_AGT_ADR 0x06
+#define QLA82XX_HW_OCM1_CRB_AGT_ADR 0x07
+
+/* This field defines PCI/X adr [25:20] of agents on the CRB */
+/* */
+#define QLA82XX_HW_PX_MAP_CRB_PH 0
+#define QLA82XX_HW_PX_MAP_CRB_PS 1
+#define QLA82XX_HW_PX_MAP_CRB_MN 2
+#define QLA82XX_HW_PX_MAP_CRB_MS 3
+#define QLA82XX_HW_PX_MAP_CRB_SRE 5
+#define QLA82XX_HW_PX_MAP_CRB_NIU 6
+#define QLA82XX_HW_PX_MAP_CRB_QMN 7
+#define QLA82XX_HW_PX_MAP_CRB_SQN0 8
+#define QLA82XX_HW_PX_MAP_CRB_SQN1 9
+#define QLA82XX_HW_PX_MAP_CRB_SQN2 10
+#define QLA82XX_HW_PX_MAP_CRB_SQN3 11
+#define QLA82XX_HW_PX_MAP_CRB_QMS 12
+#define QLA82XX_HW_PX_MAP_CRB_SQS0 13
+#define QLA82XX_HW_PX_MAP_CRB_SQS1 14
+#define QLA82XX_HW_PX_MAP_CRB_SQS2 15
+#define QLA82XX_HW_PX_MAP_CRB_SQS3 16
+#define QLA82XX_HW_PX_MAP_CRB_PGN0 17
+#define QLA82XX_HW_PX_MAP_CRB_PGN1 18
+#define QLA82XX_HW_PX_MAP_CRB_PGN2 19
+#define QLA82XX_HW_PX_MAP_CRB_PGN3 20
+#define QLA82XX_HW_PX_MAP_CRB_PGN4 QLA82XX_HW_PX_MAP_CRB_SQS2
+#define QLA82XX_HW_PX_MAP_CRB_PGND 21
+#define QLA82XX_HW_PX_MAP_CRB_PGNI 22
+#define QLA82XX_HW_PX_MAP_CRB_PGS0 23
+#define QLA82XX_HW_PX_MAP_CRB_PGS1 24
+#define QLA82XX_HW_PX_MAP_CRB_PGS2 25
+#define QLA82XX_HW_PX_MAP_CRB_PGS3 26
+#define QLA82XX_HW_PX_MAP_CRB_PGSD 27
+#define QLA82XX_HW_PX_MAP_CRB_PGSI 28
+#define QLA82XX_HW_PX_MAP_CRB_SN 29
+#define QLA82XX_HW_PX_MAP_CRB_EG 31
+#define QLA82XX_HW_PX_MAP_CRB_PH2 32
+#define QLA82XX_HW_PX_MAP_CRB_PS2 33
+#define QLA82XX_HW_PX_MAP_CRB_CAM 34
+#define QLA82XX_HW_PX_MAP_CRB_CAS0 35
+#define QLA82XX_HW_PX_MAP_CRB_CAS1 36
+#define QLA82XX_HW_PX_MAP_CRB_CAS2 37
+#define QLA82XX_HW_PX_MAP_CRB_C2C0 38
+#define QLA82XX_HW_PX_MAP_CRB_C2C1 39
+#define QLA82XX_HW_PX_MAP_CRB_TIMR 40
+#define QLA82XX_HW_PX_MAP_CRB_RPMX1 42
+#define QLA82XX_HW_PX_MAP_CRB_RPMX2 43
+#define QLA82XX_HW_PX_MAP_CRB_RPMX3 44
+#define QLA82XX_HW_PX_MAP_CRB_RPMX4 45
+#define QLA82XX_HW_PX_MAP_CRB_RPMX5 46
+#define QLA82XX_HW_PX_MAP_CRB_RPMX6 47
+#define QLA82XX_HW_PX_MAP_CRB_RPMX7 48
+#define QLA82XX_HW_PX_MAP_CRB_XDMA 49
+#define QLA82XX_HW_PX_MAP_CRB_I2Q 50
+#define QLA82XX_HW_PX_MAP_CRB_ROMUSB 51
+#define QLA82XX_HW_PX_MAP_CRB_CAS3 52
+#define QLA82XX_HW_PX_MAP_CRB_RPMX0 53
+#define QLA82XX_HW_PX_MAP_CRB_RPMX8 54
+#define QLA82XX_HW_PX_MAP_CRB_RPMX9 55
+#define QLA82XX_HW_PX_MAP_CRB_OCM0 56
+#define QLA82XX_HW_PX_MAP_CRB_OCM1 57
+#define QLA82XX_HW_PX_MAP_CRB_SMB 58
+#define QLA82XX_HW_PX_MAP_CRB_I2C0 59
+#define QLA82XX_HW_PX_MAP_CRB_I2C1 60
+#define QLA82XX_HW_PX_MAP_CRB_LPC 61
+#define QLA82XX_HW_PX_MAP_CRB_PGNC 62
+#define QLA82XX_HW_PX_MAP_CRB_PGR0 63
+#define QLA82XX_HW_PX_MAP_CRB_PGR1 4
+#define QLA82XX_HW_PX_MAP_CRB_PGR2 30
+#define QLA82XX_HW_PX_MAP_CRB_PGR3 41
+
+/* This field defines CRB adr [31:20] of the agents */
+/* */
+
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_MN ((QLA82XX_HW_H0_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_MN_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PH ((QLA82XX_HW_H0_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PH_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_MS ((QLA82XX_HW_H0_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_MS_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PS ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PS_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SS ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SS_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_QMS ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_QMS_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQS0 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SQGS0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQS1 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SQGS1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQS2 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SQGS2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQS3 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SQGS3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_C2C0 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_C2C0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_C2C1 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_C2C1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX4_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX7_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9 ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX9_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SMB ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SMB_CRB_AGT_ADR)
+
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_NIU ((QLA82XX_HW_H2_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_NIU_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0 ((QLA82XX_HW_H2_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_I2C0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1 ((QLA82XX_HW_H2_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_I2C1_CRB_AGT_ADR)
+
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SRE ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SRE_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_EG ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_EG_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_QMN ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_QM_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SQG0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SQG1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SQG2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SQG3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX5_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX6_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_RPMX8_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAS0 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_CAS0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAS1 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_CAS1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAS2 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_CAS2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAS3 ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_CAS3_CRB_AGT_ADR)
+
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGNI_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGND ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGND_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGN0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGN1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGN2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGN3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGN4_CRB_AGT_ADR)
+
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGNC_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGR0 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGR0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGR1 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGR1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGR2 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGR2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGR3 ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGR3_CRB_AGT_ADR)
+
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGSI_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGSD ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGSD_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0 ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGS0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1 ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGS1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2 ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGS2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3 ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGS3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGSC ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_PEGSC_CRB_AGT_ADR)
+
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAM ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_NCM_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_TMR_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_XDMA_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SN ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_SN_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_I2Q_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_ROMUSB_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0 ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_OCM0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_OCM1 ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_OCM1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_LPC ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+ QLA82XX_HW_LPC_CRB_AGT_ADR)
+
+#define ROMUSB_GLB (QLA82XX_CRB_ROMUSB + 0x00000)
+#define QLA82XX_ROMUSB_GLB_PEGTUNE_DONE (ROMUSB_GLB + 0x005c)
+#define QLA82XX_ROMUSB_GLB_STATUS (ROMUSB_GLB + 0x0004)
+#define QLA82XX_ROMUSB_GLB_SW_RESET (ROMUSB_GLB + 0x0008)
+#define QLA82XX_ROMUSB_ROM_ADDRESS (ROMUSB_ROM + 0x0008)
+#define QLA82XX_ROMUSB_ROM_WDATA (ROMUSB_ROM + 0x000c)
+#define QLA82XX_ROMUSB_ROM_ABYTE_CNT (ROMUSB_ROM + 0x0010)
+#define QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT (ROMUSB_ROM + 0x0014)
+#define QLA82XX_ROMUSB_ROM_RDATA (ROMUSB_ROM + 0x0018)
+
+#define ROMUSB_ROM (QLA82XX_CRB_ROMUSB + 0x10000)
+#define QLA82XX_ROMUSB_ROM_INSTR_OPCODE (ROMUSB_ROM + 0x0004)
+#define QLA82XX_ROMUSB_GLB_CAS_RST (ROMUSB_GLB + 0x0038)
+
+/* Lock IDs for ROM lock */
+#define ROM_LOCK_DRIVER 0x0d417340
+
+#define QLA82XX_PCI_CRB_WINDOWSIZE 0x00100000 /* all are 1MB windows */
+#define QLA82XX_PCI_CRB_WINDOW(A) (QLA82XX_PCI_CRBSPACE + \
+ (A)*QLA82XX_PCI_CRB_WINDOWSIZE)
+
+#define QLA82XX_CRB_C2C_0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_C2C0)
+#define QLA82XX_CRB_C2C_1 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_C2C1)
+#define QLA82XX_CRB_C2C_2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_C2C2)
+#define QLA82XX_CRB_CAM \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAM)
+#define QLA82XX_CRB_CASPER \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAS)
+#define QLA82XX_CRB_CASPER_0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAS0)
+#define QLA82XX_CRB_CASPER_1 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAS1)
+#define QLA82XX_CRB_CASPER_2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAS2)
+#define QLA82XX_CRB_DDR_MD \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_MS)
+#define QLA82XX_CRB_DDR_NET \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_MN)
+#define QLA82XX_CRB_EPG \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_EG)
+#define QLA82XX_CRB_I2Q \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_I2Q)
+#define QLA82XX_CRB_NIU \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_NIU)
+/* HACK upon HACK upon HACK (for PCIE builds) */
+#define QLA82XX_CRB_PCIX_HOST \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PH)
+#define QLA82XX_CRB_PCIX_HOST2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PH2)
+#define QLA82XX_CRB_PCIX_MD \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PS)
+#define QLA82XX_CRB_PCIE QLA82XX_CRB_PCIX_MD
+/* window 1 pcie slot */
+#define QLA82XX_CRB_PCIE2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PS2)
+
+#define QLA82XX_CRB_PEG_MD_0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS0)
+#define QLA82XX_CRB_PEG_MD_1 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS1)
+#define QLA82XX_CRB_PEG_MD_2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS2)
+#define QLA82XX_CRB_PEG_MD_3 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS3)
+#define QLA82XX_CRB_PEG_MD_3 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS3)
+#define QLA82XX_CRB_PEG_MD_D \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGSD)
+#define QLA82XX_CRB_PEG_MD_I \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGSI)
+#define QLA82XX_CRB_PEG_NET_0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN0)
+#define QLA82XX_CRB_PEG_NET_1 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN1)
+#define QLA82XX_CRB_PEG_NET_2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN2)
+#define QLA82XX_CRB_PEG_NET_3 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN3)
+#define QLA82XX_CRB_PEG_NET_4 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN4)
+#define QLA82XX_CRB_PEG_NET_D \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGND)
+#define QLA82XX_CRB_PEG_NET_I \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGNI)
+#define QLA82XX_CRB_PQM_MD \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_QMS)
+#define QLA82XX_CRB_PQM_NET \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_QMN)
+#define QLA82XX_CRB_QDR_MD \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SS)
+#define QLA82XX_CRB_QDR_NET \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SN)
+#define QLA82XX_CRB_ROMUSB \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_ROMUSB)
+#define QLA82XX_CRB_RPMX_0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX0)
+#define QLA82XX_CRB_RPMX_1 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX1)
+#define QLA82XX_CRB_RPMX_2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX2)
+#define QLA82XX_CRB_RPMX_3 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX3)
+#define QLA82XX_CRB_RPMX_4 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX4)
+#define QLA82XX_CRB_RPMX_5 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX5)
+#define QLA82XX_CRB_RPMX_6 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX6)
+#define QLA82XX_CRB_RPMX_7 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX7)
+#define QLA82XX_CRB_SQM_MD_0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQS0)
+#define QLA82XX_CRB_SQM_MD_1 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQS1)
+#define QLA82XX_CRB_SQM_MD_2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQS2)
+#define QLA82XX_CRB_SQM_MD_3 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQS3)
+#define QLA82XX_CRB_SQM_NET_0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQN0)
+#define QLA82XX_CRB_SQM_NET_1 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQN1)
+#define QLA82XX_CRB_SQM_NET_2 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQN2)
+#define QLA82XX_CRB_SQM_NET_3 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQN3)
+#define QLA82XX_CRB_SRE \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SRE)
+#define QLA82XX_CRB_TIMER \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_TIMR)
+#define QLA82XX_CRB_XDMA \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_XDMA)
+#define QLA82XX_CRB_I2C0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_I2C0)
+#define QLA82XX_CRB_I2C1 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_I2C1)
+#define QLA82XX_CRB_OCM0 \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_OCM0)
+#define QLA82XX_CRB_SMB \
+ QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SMB)
+
+#define QLA82XX_CRB_MAX QLA82XX_PCI_CRB_WINDOW(64)
+
+/*
+ * ====================== BASE ADDRESSES ON-CHIP ======================
+ * Base addresses of major components on-chip.
+ * ====================== BASE ADDRESSES ON-CHIP ======================
+ */
+#define QLA82XX_ADDR_DDR_NET (0x0000000000000000ULL)
+#define QLA82XX_ADDR_DDR_NET_MAX (0x000000000fffffffULL)
+
+/* Imbus address bit used to indicate a host address. This bit is
+ * eliminated by the pcie bar and bar select before presentation
+ * over pcie. */
+/* host memory via IMBUS */
+#define QLA82XX_P2_ADDR_PCIE (0x0000000800000000ULL)
+#define QLA82XX_P3_ADDR_PCIE (0x0000008000000000ULL)
+#define QLA82XX_ADDR_PCIE_MAX (0x0000000FFFFFFFFFULL)
+#define QLA82XX_ADDR_OCM0 (0x0000000200000000ULL)
+#define QLA82XX_ADDR_OCM0_MAX (0x00000002000fffffULL)
+#define QLA82XX_ADDR_OCM1 (0x0000000200400000ULL)
+#define QLA82XX_ADDR_OCM1_MAX (0x00000002004fffffULL)
+#define QLA82XX_ADDR_QDR_NET (0x0000000300000000ULL)
+
+#define QLA82XX_P2_ADDR_QDR_NET_MAX (0x00000003001fffffULL)
+#define QLA82XX_P3_ADDR_QDR_NET_MAX (0x0000000303ffffffULL)
+
+#define QLA82XX_PCI_CRBSPACE (unsigned long)0x06000000
+#define QLA82XX_PCI_DIRECT_CRB (unsigned long)0x04400000
+#define QLA82XX_PCI_CAMQM (unsigned long)0x04800000
+#define QLA82XX_PCI_CAMQM_MAX (unsigned long)0x04ffffff
+#define QLA82XX_PCI_DDR_NET (unsigned long)0x00000000
+#define QLA82XX_PCI_QDR_NET (unsigned long)0x04000000
+#define QLA82XX_PCI_QDR_NET_MAX (unsigned long)0x043fffff
+
+/*
+ * Register offsets for MN
+ */
+#define MIU_CONTROL (0x000)
+#define MIU_TAG (0x004)
+#define MIU_TEST_AGT_CTRL (0x090)
+#define MIU_TEST_AGT_ADDR_LO (0x094)
+#define MIU_TEST_AGT_ADDR_HI (0x098)
+#define MIU_TEST_AGT_WRDATA_LO (0x0a0)
+#define MIU_TEST_AGT_WRDATA_HI (0x0a4)
+#define MIU_TEST_AGT_WRDATA(i) (0x0a0+(4*(i)))
+#define MIU_TEST_AGT_RDDATA_LO (0x0a8)
+#define MIU_TEST_AGT_RDDATA_HI (0x0ac)
+#define MIU_TEST_AGT_RDDATA(i) (0x0a8+(4*(i)))
+#define MIU_TEST_AGT_ADDR_MASK 0xfffffff8
+#define MIU_TEST_AGT_UPPER_ADDR(off) (0)
+
+/* MIU_TEST_AGT_CTRL flags. work for SIU as well */
+#define MIU_TA_CTL_START 1
+#define MIU_TA_CTL_ENABLE 2
+#define MIU_TA_CTL_WRITE 4
+#define MIU_TA_CTL_BUSY 8
+
+/*CAM RAM */
+# define QLA82XX_CAM_RAM_BASE (QLA82XX_CRB_CAM + 0x02000)
+# define QLA82XX_CAM_RAM(reg) (QLA82XX_CAM_RAM_BASE + (reg))
+
+#define QLA82XX_PEG_TUNE_MN_SPD_ZEROED 0x80000000
+#define QLA82XX_BOOT_LOADER_MN_ISSUE 0xff00ffff
+#define QLA82XX_PORT_MODE_ADDR (QLA82XX_CAM_RAM(0x24))
+#define QLA82XX_PEG_HALT_STATUS1 (QLA82XX_CAM_RAM(0xa8))
+#define QLA82XX_PEG_HALT_STATUS2 (QLA82XX_CAM_RAM(0xac))
+#define QLA82XX_PEG_ALIVE_COUNTER (QLA82XX_CAM_RAM(0xb0))
+
+#define HALT_STATUS_UNRECOVERABLE 0x80000000
+#define HALT_STATUS_RECOVERABLE 0x40000000
+
+
+#define QLA82XX_ROM_LOCK_ID (QLA82XX_CAM_RAM(0x100))
+#define QLA82XX_CRB_WIN_LOCK_ID (QLA82XX_CAM_RAM(0x124))
+#define QLA82XX_FW_VERSION_MAJOR (QLA82XX_CAM_RAM(0x150))
+#define QLA82XX_FW_VERSION_MINOR (QLA82XX_CAM_RAM(0x154))
+#define QLA82XX_FW_VERSION_SUB (QLA82XX_CAM_RAM(0x158))
+#define QLA82XX_PCIE_REG(reg) (QLA82XX_CRB_PCIE + (reg))
+
+/* Driver Coexistence Defines */
+#define QLA82XX_CRB_DRV_ACTIVE (QLA82XX_CAM_RAM(0x138))
+#define QLA82XX_CRB_DEV_STATE (QLA82XX_CAM_RAM(0x140))
+#define QLA82XX_CRB_DEV_PART_INFO (QLA82XX_CAM_RAM(0x14c))
+#define QLA82XX_CRB_DRV_IDC_VERSION (QLA82XX_CAM_RAM(0x174))
+#define QLA82XX_CRB_DRV_STATE (QLA82XX_CAM_RAM(0x144))
+#define QLA82XX_CRB_DRV_SCRATCH (QLA82XX_CAM_RAM(0x148))
+#define QLA82XX_CRB_DEV_PART_INFO (QLA82XX_CAM_RAM(0x14c))
+
+/* Every driver should use these Device State */
+#define QLA82XX_DEV_COLD 1
+#define QLA82XX_DEV_INITIALIZING 2
+#define QLA82XX_DEV_READY 3
+#define QLA82XX_DEV_NEED_RESET 4
+#define QLA82XX_DEV_NEED_QUIESCENT 5
+#define QLA82XX_DEV_FAILED 6
+#define QLA82XX_DEV_QUIESCENT 7
+#define MAX_STATES 8 /* Increment if new state added */
+
+#define QLA82XX_IDC_VERSION 0x1
+#define ROM_DEV_INIT_TIMEOUT 30
+#define ROM_DRV_RESET_ACK_TIMEOUT 10
+
+#define PCIE_SETUP_FUNCTION (0x12040)
+#define PCIE_SETUP_FUNCTION2 (0x12048)
+
+#define QLA82XX_PCIX_PS_REG(reg) (QLA82XX_CRB_PCIX_MD + (reg))
+#define QLA82XX_PCIX_PS2_REG(reg) (QLA82XX_CRB_PCIE2 + (reg))
+
+#define PCIE_SEM2_LOCK (0x1c010) /* Flash lock */
+#define PCIE_SEM2_UNLOCK (0x1c014) /* Flash unlock */
+#define PCIE_SEM5_LOCK (0x1c028) /* Coexistence lock */
+#define PCIE_SEM5_UNLOCK (0x1c02c) /* Coexistence unlock */
+#define PCIE_SEM7_LOCK (0x1c038) /* crb win lock */
+#define PCIE_SEM7_UNLOCK (0x1c03c) /* crbwin unlock*/
+
+/*
+ * The PCI VendorID and DeviceID for our board.
+ */
+#define QLA82XX_MSIX_TBL_SPACE 8192
+#define QLA82XX_PCI_REG_MSIX_TBL 0x44
+#define QLA82XX_PCI_MSIX_CONTROL 0x40
+
+struct crb_128M_2M_sub_block_map {
+ unsigned valid;
+ unsigned start_128M;
+ unsigned end_128M;
+ unsigned start_2M;
+};
+
+struct crb_128M_2M_block_map {
+ struct crb_128M_2M_sub_block_map sub_block[16];
+};
+
+struct crb_addr_pair {
+ long addr;
+ long data;
+};
+
+#define ADDR_ERROR ((unsigned long) 0xffffffff)
+#define MAX_CTL_CHECK 1000
+
+/***************************************************************************
+ * PCI related defines.
+ **************************************************************************/
+
+/*
+ * Interrupt related defines.
+ */
+#define PCIX_TARGET_STATUS (0x10118)
+#define PCIX_TARGET_STATUS_F1 (0x10160)
+#define PCIX_TARGET_STATUS_F2 (0x10164)
+#define PCIX_TARGET_STATUS_F3 (0x10168)
+#define PCIX_TARGET_STATUS_F4 (0x10360)
+#define PCIX_TARGET_STATUS_F5 (0x10364)
+#define PCIX_TARGET_STATUS_F6 (0x10368)
+#define PCIX_TARGET_STATUS_F7 (0x1036c)
+
+#define PCIX_TARGET_MASK (0x10128)
+#define PCIX_TARGET_MASK_F1 (0x10170)
+#define PCIX_TARGET_MASK_F2 (0x10174)
+#define PCIX_TARGET_MASK_F3 (0x10178)
+#define PCIX_TARGET_MASK_F4 (0x10370)
+#define PCIX_TARGET_MASK_F5 (0x10374)
+#define PCIX_TARGET_MASK_F6 (0x10378)
+#define PCIX_TARGET_MASK_F7 (0x1037c)
+
+/*
+ * Message Signaled Interrupts
+ */
+#define PCIX_MSI_F0 (0x13000)
+#define PCIX_MSI_F1 (0x13004)
+#define PCIX_MSI_F2 (0x13008)
+#define PCIX_MSI_F3 (0x1300c)
+#define PCIX_MSI_F4 (0x13010)
+#define PCIX_MSI_F5 (0x13014)
+#define PCIX_MSI_F6 (0x13018)
+#define PCIX_MSI_F7 (0x1301c)
+#define PCIX_MSI_F(FUNC) (0x13000 + ((FUNC) * 4))
+
+/*
+ *
+ */
+#define PCIX_INT_VECTOR (0x10100)
+#define PCIX_INT_MASK (0x10104)
+
+/*
+ * Interrupt state machine and other bits.
+ */
+#define PCIE_MISCCFG_RC (0x1206c)
+
+
+#define ISR_INT_TARGET_STATUS \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS))
+#define ISR_INT_TARGET_STATUS_F1 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F1))
+#define ISR_INT_TARGET_STATUS_F2 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F2))
+#define ISR_INT_TARGET_STATUS_F3 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F3))
+#define ISR_INT_TARGET_STATUS_F4 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F4))
+#define ISR_INT_TARGET_STATUS_F5 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F5))
+#define ISR_INT_TARGET_STATUS_F6 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F6))
+#define ISR_INT_TARGET_STATUS_F7 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F7))
+
+#define ISR_INT_TARGET_MASK \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK))
+#define ISR_INT_TARGET_MASK_F1 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F1))
+#define ISR_INT_TARGET_MASK_F2 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F2))
+#define ISR_INT_TARGET_MASK_F3 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F3))
+#define ISR_INT_TARGET_MASK_F4 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F4))
+#define ISR_INT_TARGET_MASK_F5 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F5))
+#define ISR_INT_TARGET_MASK_F6 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F6))
+#define ISR_INT_TARGET_MASK_F7 \
+ (QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F7))
+
+#define ISR_INT_VECTOR (QLA82XX_PCIX_PS_REG(PCIX_INT_VECTOR))
+#define ISR_INT_MASK (QLA82XX_PCIX_PS_REG(PCIX_INT_MASK))
+#define ISR_INT_STATE_REG (QLA82XX_PCIX_PS_REG(PCIE_MISCCFG_RC))
+
+#define ISR_MSI_INT_TRIGGER(FUNC) (QLA82XX_PCIX_PS_REG(PCIX_MSI_F(FUNC)))
+
+
+#define ISR_IS_LEGACY_INTR_IDLE(VAL) (((VAL) & 0x300) == 0)
+#define ISR_IS_LEGACY_INTR_TRIGGERED(VAL) (((VAL) & 0x300) == 0x200)
+
+/*
+ * PCI Interrupt Vector Values.
+ */
+#define PCIX_INT_VECTOR_BIT_F0 0x0080
+#define PCIX_INT_VECTOR_BIT_F1 0x0100
+#define PCIX_INT_VECTOR_BIT_F2 0x0200
+#define PCIX_INT_VECTOR_BIT_F3 0x0400
+#define PCIX_INT_VECTOR_BIT_F4 0x0800
+#define PCIX_INT_VECTOR_BIT_F5 0x1000
+#define PCIX_INT_VECTOR_BIT_F6 0x2000
+#define PCIX_INT_VECTOR_BIT_F7 0x4000
+
+/* struct qla82xx_legacy_intr_set defined in ql4_def.h */
+
+#define QLA82XX_LEGACY_INTR_CONFIG \
+{ \
+ { \
+ .int_vec_bit = PCIX_INT_VECTOR_BIT_F0, \
+ .tgt_status_reg = ISR_INT_TARGET_STATUS, \
+ .tgt_mask_reg = ISR_INT_TARGET_MASK, \
+ .pci_int_reg = ISR_MSI_INT_TRIGGER(0) }, \
+ \
+ { \
+ .int_vec_bit = PCIX_INT_VECTOR_BIT_F1, \
+ .tgt_status_reg = ISR_INT_TARGET_STATUS_F1, \
+ .tgt_mask_reg = ISR_INT_TARGET_MASK_F1, \
+ .pci_int_reg = ISR_MSI_INT_TRIGGER(1) }, \
+ \
+ { \
+ .int_vec_bit = PCIX_INT_VECTOR_BIT_F2, \
+ .tgt_status_reg = ISR_INT_TARGET_STATUS_F2, \
+ .tgt_mask_reg = ISR_INT_TARGET_MASK_F2, \
+ .pci_int_reg = ISR_MSI_INT_TRIGGER(2) }, \
+ \
+ { \
+ .int_vec_bit = PCIX_INT_VECTOR_BIT_F3, \
+ .tgt_status_reg = ISR_INT_TARGET_STATUS_F3, \
+ .tgt_mask_reg = ISR_INT_TARGET_MASK_F3, \
+ .pci_int_reg = ISR_MSI_INT_TRIGGER(3) }, \
+ \
+ { \
+ .int_vec_bit = PCIX_INT_VECTOR_BIT_F4, \
+ .tgt_status_reg = ISR_INT_TARGET_STATUS_F4, \
+ .tgt_mask_reg = ISR_INT_TARGET_MASK_F4, \
+ .pci_int_reg = ISR_MSI_INT_TRIGGER(4) }, \
+ \
+ { \
+ .int_vec_bit = PCIX_INT_VECTOR_BIT_F5, \
+ .tgt_status_reg = ISR_INT_TARGET_STATUS_F5, \
+ .tgt_mask_reg = ISR_INT_TARGET_MASK_F5, \
+ .pci_int_reg = ISR_MSI_INT_TRIGGER(5) }, \
+ \
+ { \
+ .int_vec_bit = PCIX_INT_VECTOR_BIT_F6, \
+ .tgt_status_reg = ISR_INT_TARGET_STATUS_F6, \
+ .tgt_mask_reg = ISR_INT_TARGET_MASK_F6, \
+ .pci_int_reg = ISR_MSI_INT_TRIGGER(6) }, \
+ \
+ { \
+ .int_vec_bit = PCIX_INT_VECTOR_BIT_F7, \
+ .tgt_status_reg = ISR_INT_TARGET_STATUS_F7, \
+ .tgt_mask_reg = ISR_INT_TARGET_MASK_F7, \
+ .pci_int_reg = ISR_MSI_INT_TRIGGER(7) }, \
+}
+
+/* Magic number to let user know flash is programmed */
+#define QLA82XX_BDINFO_MAGIC 0x12345678
+#define FW_SIZE_OFFSET (0x3e840c)
+
+/* QLA82XX additions */
+#define MIU_TEST_AGT_WRDATA_UPPER_LO (0x0b0)
+#define MIU_TEST_AGT_WRDATA_UPPER_HI (0x0b4)
+
+#endif
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 11a4bd1..1e0f917 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -30,22 +30,29 @@ static struct kmem_cache *srb_cachep;
* Module parameter information and variables
*/
int ql4xdiscoverywait = 60;
-module_param(ql4xdiscoverywait, int, S_IRUGO | S_IRUSR);
+module_param(ql4xdiscoverywait, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xdiscoverywait, "Discovery wait time");
+
int ql4xdontresethba = 0;
-module_param(ql4xdontresethba, int, S_IRUGO | S_IRUSR);
+module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xdontresethba,
- "Dont reset the HBA when the driver gets 0x8002 AEN "
- " default it will reset hba :0"
- " set to 1 to avoid resetting HBA");
+ "Don't reset the HBA for driver recovery \n"
+ " 0 - It will reset HBA (Default)\n"
+ " 1 - It will NOT reset HBA");
int ql4xextended_error_logging = 0; /* 0 = off, 1 = log errors */
-module_param(ql4xextended_error_logging, int, S_IRUGO | S_IRUSR);
+module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xextended_error_logging,
"Option to enable extended error logging, "
"Default is 0 - no logging, 1 - debug logging");
-int ql4_mod_unload = 0;
+int ql4xenablemsix = 1;
+module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(ql4xenablemsix,
+ "Set to enable MSI or MSI-X interrupt mechanism.\n"
+ " 0 = enable INTx interrupt mechanism.\n"
+ " 1 = enable MSI-X interrupt mechanism (Default).\n"
+ " 2 = enable MSI interrupt mechanism.");
#define QL4_DEF_QDEPTH 32
@@ -83,6 +90,9 @@ static int qla4xxx_slave_configure(struct scsi_device *device);
static void qla4xxx_slave_destroy(struct scsi_device *sdev);
static void qla4xxx_scan_start(struct Scsi_Host *shost);
+static struct qla82xx_legacy_intr_set legacy_intr[] =
+ QLA82XX_LEGACY_INTR_CONFIG;
+
static struct scsi_host_template qla4xxx_driver_template = {
.module = THIS_MODULE,
.name = DRIVER_NAME,
@@ -152,15 +162,12 @@ static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session)
if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) {
atomic_set(&ddb_entry->state, DDB_STATE_DEAD);
- DEBUG2(printk("scsi%ld: %s: index [%d] port down retry count "
+ DEBUG2(printk("scsi%ld: %s: ddb [%d] port down retry count "
"of (%d) secs exhausted, marking device DEAD.\n",
ha->host_no, __func__, ddb_entry->fw_ddb_index,
ddb_entry->ka_timeout));
- DEBUG2(printk("scsi%ld: %s: scheduling dpc routine - dpc "
- "flags = 0x%lx\n",
- ha->host_no, __func__, ha->dpc_flags));
- queue_work(ha->dpc_thread, &ha->dpc_work);
+ qla4xxx_wake_dpc(ha);
}
}
@@ -362,19 +369,37 @@ static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
* @ha: Pointer to host adapter structure.
* @ddb_entry: Pointer to device database entry
*
- * This routine marks a device missing and resets the relogin retry count.
+ * This routine marks a device missing and close connection.
**/
void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry)
{
- atomic_set(&ddb_entry->state, DDB_STATE_MISSING);
- DEBUG3(printk("scsi%d:%d:%d: index [%d] marked MISSING\n",
- ha->host_no, ddb_entry->bus, ddb_entry->target,
- ddb_entry->fw_ddb_index));
+ if ((atomic_read(&ddb_entry->state) != DDB_STATE_DEAD)) {
+ atomic_set(&ddb_entry->state, DDB_STATE_MISSING);
+ DEBUG2(printk("scsi%ld: ddb [%d] marked MISSING\n",
+ ha->host_no, ddb_entry->fw_ddb_index));
+ } else
+ DEBUG2(printk("scsi%ld: ddb [%d] DEAD\n", ha->host_no,
+ ddb_entry->fw_ddb_index))
+
iscsi_block_session(ddb_entry->sess);
iscsi_conn_error_event(ddb_entry->conn, ISCSI_ERR_CONN_FAILED);
}
+/**
+ * qla4xxx_mark_all_devices_missing - mark all devices as missing.
+ * @ha: Pointer to host adapter structure.
+ *
+ * This routine marks a device missing and resets the relogin retry count.
+ **/
+void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
+{
+ struct ddb_entry *ddb_entry, *ddbtemp;
+ list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) {
+ qla4xxx_mark_device_missing(ha, ddb_entry);
+ }
+}
+
static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry,
struct scsi_cmnd *cmd,
@@ -463,7 +488,13 @@ static int qla4xxx_queuecommand(struct scsi_cmnd *cmd,
return SCSI_MLQUEUE_TARGET_BUSY;
}
- if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags))
+ if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
+ test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
+ test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
+ !test_bit(AF_ONLINE, &ha->flags) ||
+ test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
goto qc_host_busy;
spin_unlock_irq(ha->host->host_lock);
@@ -524,7 +555,15 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
ha->srb_mempool = NULL;
/* release io space registers */
- if (ha->reg)
+ if (is_qla8022(ha)) {
+ if (ha->nx_pcibase)
+ iounmap(
+ (struct device_reg_82xx __iomem *)ha->nx_pcibase);
+
+ if (ha->nx_db_wr_ptr)
+ iounmap(
+ (struct device_reg_82xx __iomem *)ha->nx_db_wr_ptr);
+ } else if (ha->reg)
iounmap(ha->reg);
pci_release_regions(ha->pdev);
}
@@ -600,6 +639,74 @@ mem_alloc_error_exit:
}
/**
+ * qla82xx_check_fw_alive - Check firmware health
+ * @ha: Pointer to host adapter structure.
+ *
+ * Context: Interrupt
+ **/
+static void qla82xx_check_fw_alive(struct scsi_qla_host *ha)
+{
+ uint32_t fw_heartbeat_counter, halt_status;
+
+ fw_heartbeat_counter = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+
+ if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
+ ha->seconds_since_last_heartbeat++;
+ /* FW not alive after 2 seconds */
+ if (ha->seconds_since_last_heartbeat == 2) {
+ ha->seconds_since_last_heartbeat = 0;
+ halt_status = qla82xx_rd_32(ha,
+ QLA82XX_PEG_HALT_STATUS1);
+ /* Since we cannot change dev_state in interrupt
+ * context, set appropriate DPC flag then wakeup
+ * DPC */
+ if (halt_status & HALT_STATUS_UNRECOVERABLE)
+ set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
+ else {
+ printk("scsi%ld: %s: detect abort needed!\n",
+ ha->host_no, __func__);
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ }
+ qla4xxx_wake_dpc(ha);
+ }
+ }
+ ha->fw_heartbeat_counter = fw_heartbeat_counter;
+}
+
+/**
+ * qla82xx_watchdog - Poll dev state
+ * @ha: Pointer to host adapter structure.
+ *
+ * Context: Interrupt
+ **/
+void qla82xx_watchdog(struct scsi_qla_host *ha)
+{
+ uint32_t dev_state;
+
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+
+ /* don't poll if reset is going on */
+ if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags)) {
+ if (dev_state == QLA82XX_DEV_NEED_RESET &&
+ !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
+ printk("scsi%ld: %s: HW State: NEED RESET!\n",
+ ha->host_no, __func__);
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ qla4xxx_wake_dpc(ha);
+ } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT &&
+ !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
+ printk("scsi%ld: %s: HW State: NEED QUIES!\n",
+ ha->host_no, __func__);
+ set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
+ qla4xxx_wake_dpc(ha);
+ } else {
+ /* Check firmware health */
+ qla82xx_check_fw_alive(ha);
+ }
+ }
+}
+
+/**
* qla4xxx_timer - checks every second for work to do.
* @ha: Pointer to host adapter structure.
**/
@@ -608,6 +715,16 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
struct ddb_entry *ddb_entry, *dtemp;
int start_dpc = 0;
+ if (test_bit(AF_HBA_GOING_AWAY, &ha->flags)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s exited. HBA GOING AWAY\n",
+ __func__));
+ return;
+ }
+
+ if (is_qla8022(ha)) {
+ qla82xx_watchdog(ha);
+ }
+
/* Search for relogin's to time-out and port down retry. */
list_for_each_entry_safe(ddb_entry, dtemp, &ha->ddb_list, list) {
/* Count down time between sending relogins */
@@ -624,7 +741,7 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
set_bit(DPC_RELOGIN_DEVICE,
&ha->dpc_flags);
set_bit(DF_RELOGIN, &ddb_entry->flags);
- DEBUG2(printk("scsi%ld: %s: index [%d]"
+ DEBUG2(printk("scsi%ld: %s: ddb [%d]"
" login device\n",
ha->host_no, __func__,
ddb_entry->fw_ddb_index));
@@ -647,7 +764,7 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
DDB_DS_SESSION_FAILED) {
/* Reset retry relogin timer */
atomic_inc(&ddb_entry->relogin_retry_count);
- DEBUG2(printk("scsi%ld: index[%d] relogin"
+ DEBUG2(printk("scsi%ld: ddb [%d] relogin"
" timed out-retrying"
" relogin (%d)\n",
ha->host_no,
@@ -656,7 +773,7 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
relogin_retry_count))
);
start_dpc++;
- DEBUG(printk("scsi%ld:%d:%d: index [%d] "
+ DEBUG(printk("scsi%ld:%d:%d: ddb [%d] "
"initate relogin after"
" %d seconds\n",
ha->host_no, ddb_entry->bus,
@@ -671,31 +788,35 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
}
}
- /* Check for heartbeat interval. */
- if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
- ha->heartbeat_interval != 0) {
- ha->seconds_since_last_heartbeat++;
- if (ha->seconds_since_last_heartbeat >
- ha->heartbeat_interval + 2)
- set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ if (!is_qla8022(ha)) {
+ /* Check for heartbeat interval. */
+ if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
+ ha->heartbeat_interval != 0) {
+ ha->seconds_since_last_heartbeat++;
+ if (ha->seconds_since_last_heartbeat >
+ ha->heartbeat_interval + 2)
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ }
}
-
/* Wakeup the dpc routine for this adapter, if needed. */
if ((start_dpc ||
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
+ test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
+ test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
test_bit(DPC_AEN, &ha->dpc_flags)) &&
+ !test_bit(AF_DPC_SCHEDULED, &ha->flags) &&
ha->dpc_thread) {
DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
" - dpc flags = 0x%lx\n",
ha->host_no, __func__, ha->dpc_flags));
- queue_work(ha->dpc_thread, &ha->dpc_work);
+ qla4xxx_wake_dpc(ha);
}
/* Reschedule timer thread to call us back in one second */
@@ -714,16 +835,15 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
{
uint32_t index = 0;
- int stat = QLA_SUCCESS;
unsigned long flags;
struct scsi_cmnd *cmd;
- int wait_cnt = WAIT_CMD_TOV; /*
- * Initialized for 30 seconds as we
- * expect all commands to retuned
- * ASAP.
- */
- while (wait_cnt) {
+ unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ);
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to "
+ "complete\n", WAIT_CMD_TOV));
+
+ while (!time_after_eq(jiffies, wtime)) {
spin_lock_irqsave(&ha->hardware_lock, flags);
/* Find a command that hasn't completed. */
for (index = 0; index < ha->host->can_queue; index++) {
@@ -734,31 +854,26 @@ static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
/* If No Commands are pending, wait is complete */
- if (index == ha->host->can_queue) {
- break;
- }
-
- /* If we timed out on waiting for commands to come back
- * return ERROR.
- */
- wait_cnt--;
- if (wait_cnt == 0)
- stat = QLA_ERROR;
- else {
- msleep(1000);
- }
- } /* End of While (wait_cnt) */
+ if (index == ha->host->can_queue)
+ return QLA_SUCCESS;
- return stat;
+ msleep(1000);
+ }
+ /* If we timed out on waiting for commands to come back
+ * return ERROR. */
+ return QLA_ERROR;
}
-void qla4xxx_hw_reset(struct scsi_qla_host *ha)
+int qla4xxx_hw_reset(struct scsi_qla_host *ha)
{
uint32_t ctrl_status;
unsigned long flags = 0;
DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
+ if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
+ return QLA_ERROR;
+
spin_lock_irqsave(&ha->hardware_lock, flags);
/*
@@ -774,6 +889,7 @@ void qla4xxx_hw_reset(struct scsi_qla_host *ha)
readl(&ha->reg->ctrl_status);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return QLA_SUCCESS;
}
/**
@@ -872,15 +988,16 @@ int qla4xxx_soft_reset(struct scsi_qla_host *ha)
}
/**
- * qla4xxx_flush_active_srbs - returns all outstanding i/o requests to O.S.
+ * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S.
* @ha: Pointer to host adapter structure.
+ * @res: returned scsi status
*
* This routine is called just prior to a HARD RESET to return all
* outstanding commands back to the Operating System.
* Caller should make sure that the following locks are released
* before this calling routine: Hardware lock, and io_request_lock.
**/
-static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha)
+static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
{
struct srb *srb;
int i;
@@ -890,74 +1007,116 @@ static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha)
for (i = 0; i < ha->host->can_queue; i++) {
srb = qla4xxx_del_from_active_array(ha, i);
if (srb != NULL) {
- srb->cmd->result = DID_RESET << 16;
+ srb->cmd->result = res;
kref_put(&srb->srb_ref, qla4xxx_srb_compl);
}
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
+void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
+{
+ clear_bit(AF_ONLINE, &ha->flags);
+
+ /* Disable the board */
+ ql4_printk(KERN_INFO, ha, "Disabling the board\n");
+ set_bit(AF_HBA_GOING_AWAY, &ha->flags);
+
+ qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
+ qla4xxx_mark_all_devices_missing(ha);
+ clear_bit(AF_INIT_DONE, &ha->flags);
+}
+
/**
* qla4xxx_recover_adapter - recovers adapter after a fatal error
* @ha: Pointer to host adapter structure.
- * @renew_ddb_list: Indicates what to do with the adapter's ddb list
- *
- * renew_ddb_list value can be 0=preserve ddb list, 1=destroy and rebuild
- * ddb list.
**/
-static int qla4xxx_recover_adapter(struct scsi_qla_host *ha,
- uint8_t renew_ddb_list)
+static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
{
- int status;
+ int status = QLA_ERROR;
+ uint8_t reset_chip = 0;
/* Stall incoming I/O until we are done */
+ scsi_block_requests(ha->host);
clear_bit(AF_ONLINE, &ha->flags);
- DEBUG2(printk("scsi%ld: %s calling qla4xxx_cmd_wait\n", ha->host_no,
- __func__));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
- /* Wait for outstanding commands to complete.
- * Stalls the driver for max 30 secs
- */
- status = qla4xxx_cmd_wait(ha);
+ set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
- qla4xxx_disable_intrs(ha);
+ if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
+ reset_chip = 1;
- /* Flush any pending ddb changed AENs */
- qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
+ /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific)
+ * do not reset adapter, jump to initialize_adapter */
+ if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
+ status = QLA_SUCCESS;
+ goto recover_ha_init_adapter;
+ }
- qla4xxx_flush_active_srbs(ha);
+ /* For the ISP-82xx adapter, issue a stop_firmware if invoked
+ * from eh_host_reset or ioctl module */
+ if (is_qla8022(ha) && !reset_chip &&
+ test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s - Performing stop_firmware...\n",
+ ha->host_no, __func__));
+ status = ha->isp_ops->reset_firmware(ha);
+ if (status == QLA_SUCCESS) {
+ qla4xxx_cmd_wait(ha);
+ ha->isp_ops->disable_intrs(ha);
+ qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
+ qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
+ } else {
+ /* If the stop_firmware fails then
+ * reset the entire chip */
+ reset_chip = 1;
+ clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ }
+ }
- /* Reset the firmware. If successful, function
- * returns with ISP interrupts enabled.
- */
- DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n",
- ha->host_no, __func__));
- if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
- status = qla4xxx_soft_reset(ha);
- else
- status = QLA_ERROR;
+ /* Issue full chip reset if recovering from a catastrophic error,
+ * or if stop_firmware fails for ISP-82xx.
+ * This is the default case for ISP-4xxx */
+ if (!is_qla8022(ha) || reset_chip) {
+ qla4xxx_cmd_wait(ha);
+ qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
+ qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s - Performing chip reset..\n",
+ ha->host_no, __func__));
+ status = ha->isp_ops->reset_chip(ha);
+ }
/* Flush any pending ddb changed AENs */
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- /* Re-initialize firmware. If successful, function returns
- * with ISP interrupts enabled */
+recover_ha_init_adapter:
+ /* Upon successful firmware/chip reset, re-initialize the adapter */
if (status == QLA_SUCCESS) {
- DEBUG2(printk("scsi%ld: %s - Initializing adapter..\n",
- ha->host_no, __func__));
-
- /* If successful, AF_ONLINE flag set in
- * qla4xxx_initialize_adapter */
- status = qla4xxx_initialize_adapter(ha, renew_ddb_list);
+ /* For ISP-4xxx, force function 1 to always initialize
+ * before function 3 to prevent both funcions from
+ * stepping on top of the other */
+ if (!is_qla8022(ha) && (ha->mac_index == 3))
+ ssleep(6);
+
+ /* NOTE: AF_ONLINE flag set upon successful completion of
+ * qla4xxx_initialize_adapter */
+ status = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST);
}
- /* Failed adapter initialization?
- * Retry reset_ha only if invoked via DPC (DPC_RESET_HA) */
- if ((test_bit(AF_ONLINE, &ha->flags) == 0) &&
- (test_bit(DPC_RESET_HA, &ha->dpc_flags))) {
+ /* Retry failed adapter initialization, if necessary
+ * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific)
+ * case to prevent ping-pong resets between functions */
+ if (!test_bit(AF_ONLINE, &ha->flags) &&
+ !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
/* Adapter initialization failed, see if we can retry
- * resetting the ha */
+ * resetting the ha.
+ * Since we don't want to block the DPC for too long
+ * with multiple resets in the same thread,
+ * utilize DPC to retry */
if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
DEBUG2(printk("scsi%ld: recover adapter - retrying "
@@ -982,29 +1141,43 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha,
DEBUG2(printk("scsi%ld: recover adapter "
"failed - board disabled\n",
ha->host_no));
- qla4xxx_flush_active_srbs(ha);
+ qla4xxx_dead_adapter_cleanup(ha);
clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_DESTROY_DDB_LIST,
+ clear_bit(DPC_RESET_HA_FW_CONTEXT,
&ha->dpc_flags);
status = QLA_ERROR;
}
}
} else {
clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags);
+ clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
}
ha->adapter_error_count++;
- if (status == QLA_SUCCESS)
- qla4xxx_enable_intrs(ha);
+ if (test_bit(AF_ONLINE, &ha->flags))
+ ha->isp_ops->enable_intrs(ha);
+
+ scsi_unblock_requests(ha->host);
+
+ clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
+ DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
+ status == QLA_ERROR ? "FAILED" : "SUCCEDED"));
- DEBUG2(printk("scsi%ld: recover adapter .. DONE\n", ha->host_no));
return status;
}
+void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
+{
+ if (ha->dpc_thread &&
+ !test_bit(AF_DPC_SCHEDULED, &ha->flags)) {
+ set_bit(AF_DPC_SCHEDULED, &ha->flags);
+ queue_work(ha->dpc_thread, &ha->dpc_work);
+ }
+}
+
/**
* qla4xxx_do_dpc - dpc routine
* @data: in our case pointer to adapter structure
@@ -1024,21 +1197,47 @@ static void qla4xxx_do_dpc(struct work_struct *work)
int status = QLA_ERROR;
DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
- "flags = 0x%08lx, dpc_flags = 0x%08lx ctrl_stat = 0x%08x\n",
- ha->host_no, __func__, ha->flags, ha->dpc_flags,
- readw(&ha->reg->ctrl_status)));
+ "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
+ ha->host_no, __func__, ha->flags, ha->dpc_flags))
/* Initialization not yet finished. Don't do anything yet. */
if (!test_bit(AF_INIT_DONE, &ha->flags))
return;
- if (adapter_up(ha) ||
- test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
+ /* HBA is in the process of being permanently disabled.
+ * Don't process anything */
+ if (test_bit(AF_HBA_GOING_AWAY, &ha->flags))
+ return;
+
+ if (is_qla8022(ha)) {
+ if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
+ qla82xx_idc_lock(ha);
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_FAILED);
+ qla82xx_idc_unlock(ha);
+ ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
+ qla82xx_device_state_handler(ha);
+ }
+ if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
+ qla82xx_need_qsnt_handler(ha);
+ }
+ }
+
+ if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
+ (test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags)) {
- if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA, &ha->dpc_flags))
- qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST);
+ test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
+ if (ql4xdontresethba) {
+ DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
+ ha->host_no, __func__));
+ clear_bit(DPC_RESET_HA, &ha->dpc_flags);
+ clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
+ clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
+ goto dpc_post_reset_ha;
+ }
+ if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_HA, &ha->dpc_flags))
+ qla4xxx_recover_adapter(ha);
if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
uint8_t wait_time = RESET_INTR_TOV;
@@ -1053,18 +1252,18 @@ static void qla4xxx_do_dpc(struct work_struct *work)
DEBUG2(printk("scsi%ld: %s: SR|FSR "
"bit not cleared-- resetting\n",
ha->host_no, __func__));
- qla4xxx_flush_active_srbs(ha);
+ qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- status = qla4xxx_initialize_adapter(ha,
- PRESERVE_DDB_LIST);
+ status = qla4xxx_recover_adapter(ha);
}
clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
if (status == QLA_SUCCESS)
- qla4xxx_enable_intrs(ha);
+ ha->isp_ops->enable_intrs(ha);
}
}
+dpc_post_reset_ha:
/* ---- process AEN? --- */
if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
@@ -1104,11 +1303,9 @@ static void qla4xxx_do_dpc(struct work_struct *work)
DDB_STATE_ONLINE);
dev_info(&ha->pdev->dev,
"scsi%ld: %s: ddb[%d]"
- " os[%d] marked"
- " ONLINE\n",
+ " marked ONLINE\n",
ha->host_no, __func__,
- ddb_entry->fw_ddb_index,
- ddb_entry->os_target_id);
+ ddb_entry->fw_ddb_index);
iscsi_unblock_session(
ddb_entry->sess);
@@ -1144,6 +1341,7 @@ static void qla4xxx_do_dpc(struct work_struct *work)
}
}
}
+ clear_bit(AF_DPC_SCHEDULED, &ha->flags);
}
/**
@@ -1155,30 +1353,99 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
if (test_bit(AF_INTERRUPTS_ON, &ha->flags)) {
/* Turn-off interrupts on the card. */
- qla4xxx_disable_intrs(ha);
+ ha->isp_ops->disable_intrs(ha);
}
+ /* Remove timer thread, if present */
+ if (ha->timer_active)
+ qla4xxx_stop_timer(ha);
+
/* Kill the kernel thread for this host */
if (ha->dpc_thread)
destroy_workqueue(ha->dpc_thread);
- /* Issue Soft Reset to put firmware in unknown state */
- if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
- qla4xxx_hw_reset(ha);
+ /* Put firmware in known state */
+ ha->isp_ops->reset_firmware(ha);
- /* Remove timer thread, if present */
- if (ha->timer_active)
- qla4xxx_stop_timer(ha);
+ if (is_qla8022(ha)) {
+ qla82xx_idc_lock(ha);
+ qla82xx_clear_drv_active(ha);
+ qla82xx_idc_unlock(ha);
+ }
/* Detach interrupts */
if (test_and_clear_bit(AF_IRQ_ATTACHED, &ha->flags))
- free_irq(ha->pdev->irq, ha);
+ qla4xxx_free_irqs(ha);
/* free extra memory */
qla4xxx_mem_free(ha);
+}
+
+int qla82xx_iospace_config(struct scsi_qla_host *ha)
+{
+ int status = 0;
+ uint8_t revision_id;
+ unsigned long mem_base, mem_len, db_base, db_len;
+ struct pci_dev *pdev = ha->pdev;
+
+ status = pci_request_regions(pdev, DRIVER_NAME);
+ if (status) {
+ printk(KERN_WARNING
+ "scsi(%ld) Failed to reserve PIO regions (%s) "
+ "status=%d\n", ha->host_no, pci_name(pdev), status);
+ goto iospace_error_exit;
+ }
+
+ pci_read_config_byte(pdev, PCI_REVISION_ID, &revision_id);
+ DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
+ __func__, revision_id));
+ ha->revision_id = revision_id;
- pci_disable_device(ha->pdev);
+ /* remap phys address */
+ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
+ mem_len = pci_resource_len(pdev, 0);
+ DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
+ __func__, mem_base, mem_len));
+ /* mapping of pcibase pointer */
+ ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
+ if (!ha->nx_pcibase) {
+ printk(KERN_ERR
+ "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
+ pci_release_regions(ha->pdev);
+ goto iospace_error_exit;
+ }
+
+ /* Mapping of IO base pointer, door bell read and write pointer */
+
+ /* mapping of IO base pointer */
+ ha->qla82xx_reg =
+ (struct device_reg_82xx __iomem *)((uint8_t *)ha->nx_pcibase +
+ 0xbc000 + (ha->pdev->devfn << 11));
+
+ db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
+ db_len = pci_resource_len(pdev, 4);
+
+ /* mapping of doorbell write pointer */
+ ha->nx_db_wr_ptr = (unsigned long)ioremap(db_base +
+ (ha->pdev->devfn << 12), 4);
+ if (!ha->nx_db_wr_ptr) {
+ printk(KERN_ERR
+ "cannot remap MMIO doorbell-write (%s), aborting\n",
+ pci_name(pdev));
+ goto iospace_error_exit;
+ }
+ /* mapping of doorbell read pointer */
+ ha->nx_db_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) +
+ (ha->pdev->devfn * 8);
+ if (!ha->nx_db_rd_ptr)
+ printk(KERN_ERR
+ "cannot remap MMIO doorbell-read (%s), aborting\n",
+ pci_name(pdev));
+ return 0;
+
+iospace_error_exit:
+ return -ENOMEM;
}
/***
@@ -1188,7 +1455,7 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
* This routines maps HBA's registers from the pci address space
* into the kernel virtual address space for memory mapped i/o.
**/
-static int qla4xxx_iospace_config(struct scsi_qla_host *ha)
+int qla4xxx_iospace_config(struct scsi_qla_host *ha)
{
unsigned long pio, pio_len, pio_flags;
unsigned long mmio, mmio_len, mmio_flags;
@@ -1247,6 +1514,60 @@ iospace_error_exit:
return -ENOMEM;
}
+static struct isp_operations qla4xxx_isp_ops = {
+ .iospace_config = qla4xxx_iospace_config,
+ .pci_config = qla4xxx_pci_config,
+ .disable_intrs = qla4xxx_disable_intrs,
+ .enable_intrs = qla4xxx_enable_intrs,
+ .start_firmware = qla4xxx_start_firmware,
+ .intr_handler = qla4xxx_intr_handler,
+ .interrupt_service_routine = qla4xxx_interrupt_service_routine,
+ .reset_chip = qla4xxx_soft_reset,
+ .reset_firmware = qla4xxx_hw_reset,
+ .queue_iocb = qla4xxx_queue_iocb,
+ .complete_iocb = qla4xxx_complete_iocb,
+ .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
+ .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
+ .get_sys_info = qla4xxx_get_sys_info,
+};
+
+static struct isp_operations qla82xx_isp_ops = {
+ .iospace_config = qla82xx_iospace_config,
+ .pci_config = qla82xx_pci_config,
+ .disable_intrs = qla82xx_disable_intrs,
+ .enable_intrs = qla82xx_enable_intrs,
+ .start_firmware = qla82xx_load_risc,
+ .intr_handler = qla82xx_intr_handler,
+ .interrupt_service_routine = qla82xx_interrupt_service_routine,
+ .reset_chip = qla82xx_isp_reset,
+ .reset_firmware = qla82xx_stop_firmware,
+ .queue_iocb = qla82xx_queue_iocb,
+ .complete_iocb = qla82xx_complete_iocb,
+ .rd_shdw_req_q_out = qla82xx_rd_shdw_req_q_out,
+ .rd_shdw_rsp_q_in = qla82xx_rd_shdw_rsp_q_in,
+ .get_sys_info = qla82xx_get_sys_info,
+};
+
+uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
+{
+ return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
+}
+
+uint16_t qla82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
+{
+ return (uint16_t)le32_to_cpu(readl(&ha->qla82xx_reg->req_q_out));
+}
+
+uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
+{
+ return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
+}
+
+uint16_t qla82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
+{
+ return (uint16_t)le32_to_cpu(readl(&ha->qla82xx_reg->rsp_q_in));
+}
+
/**
* qla4xxx_probe_adapter - callback function to probe HBA
* @pdev: pointer to pci_dev structure
@@ -1264,6 +1585,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
struct scsi_qla_host *ha;
uint8_t init_retry_count = 0;
char buf[34];
+ struct qla82xx_legacy_intr_set *nx_legacy_intr;
if (pci_enable_device(pdev))
return -1;
@@ -1284,10 +1606,28 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
ha->host = host;
ha->host_no = host->host_no;
+ /* Setup Runtime configurable options */
+ if (is_qla8022(ha)) {
+ ha->isp_ops = &qla82xx_isp_ops;
+ rwlock_init(&ha->hw_lock);
+ ha->qdr_sn_window = -1;
+ ha->ddr_mn_window = -1;
+ ha->curr_window = 255;
+ ha->func_num = PCI_FUNC(ha->pdev->devfn);
+ nx_legacy_intr = &legacy_intr[ha->func_num];
+ ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
+ ha->nx_legacy_intr.tgt_status_reg =
+ nx_legacy_intr->tgt_status_reg;
+ ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
+ ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
+ } else {
+ ha->isp_ops = &qla4xxx_isp_ops;
+ }
+
/* Configure PCI I/O space. */
- ret = qla4xxx_iospace_config(ha);
+ ret = ha->isp_ops->iospace_config(ha);
if (ret)
- goto probe_failed;
+ goto probe_failed_ioconfig;
dev_info(&ha->pdev->dev, "Found an ISP%04x, irq %d, iobase 0x%p\n",
pdev->device, pdev->irq, ha->reg);
@@ -1299,6 +1639,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
INIT_LIST_HEAD(&ha->free_srb_q);
mutex_init(&ha->mbox_sem);
+ init_completion(&ha->mbx_intr_comp);
spin_lock_init(&ha->hardware_lock);
@@ -1311,19 +1652,27 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
goto probe_failed;
}
+ if (is_qla8022(ha))
+ (void) qla82xx_get_flash_info(ha);
+
/*
* Initialize the Host adapter request/response queues and
* firmware
* NOTE: interrupts enabled upon successful completion
*/
status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST);
- while (status == QLA_ERROR && init_retry_count++ < MAX_INIT_RETRIES) {
+ while ((!test_bit(AF_ONLINE, &ha->flags)) &&
+ init_retry_count++ < MAX_INIT_RETRIES) {
DEBUG2(printk("scsi: %s: retrying adapter initialization "
"(%d)\n", __func__, init_retry_count));
- qla4xxx_soft_reset(ha);
+
+ if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
+ continue;
+
status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST);
}
- if (status == QLA_ERROR) {
+
+ if (!test_bit(AF_ONLINE, &ha->flags)) {
dev_warn(&ha->pdev->dev, "Failed to initialize adapter\n");
ret = -ENODEV;
@@ -1356,18 +1705,21 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
}
INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
- ret = request_irq(pdev->irq, qla4xxx_intr_handler,
- IRQF_DISABLED | IRQF_SHARED, "qla4xxx", ha);
- if (ret) {
- dev_warn(&ha->pdev->dev, "Failed to reserve interrupt %d"
- " already in use.\n", pdev->irq);
- goto probe_failed;
+ /* For ISP-82XX, request_irqs is called in qla82xx_load_risc
+ * (which is called indirectly by qla4xxx_initialize_adapter),
+ * so that irqs will be registered after crbinit but before
+ * mbx_intr_enable.
+ */
+ if (!is_qla8022(ha)) {
+ ret = qla4xxx_request_irqs(ha);
+ if (ret) {
+ ql4_printk(KERN_WARNING, ha, "Failed to reserve "
+ "interrupt %d already in use.\n", pdev->irq);
+ goto probe_failed;
+ }
}
- set_bit(AF_IRQ_ATTACHED, &ha->flags);
- host->irq = pdev->irq;
- DEBUG(printk("scsi%d: irq %d attached\n", ha->host_no, ha->pdev->irq));
- qla4xxx_enable_intrs(ha);
+ ha->isp_ops->enable_intrs(ha);
/* Start timer thread. */
qla4xxx_start_timer(ha, qla4xxx_timer, 1);
@@ -1391,6 +1743,8 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
probe_failed:
qla4xxx_free_adapter(ha);
+
+probe_failed_ioconfig:
scsi_host_put(ha->host);
probe_disable_device:
@@ -1409,10 +1763,7 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
ha = pci_get_drvdata(pdev);
- qla4xxx_disable_intrs(ha);
-
- while (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags))
- ssleep(1);
+ set_bit(AF_HBA_GOING_AWAY, &ha->flags);
/* remove devs from iscsi_sessions to scsi_devices */
qla4xxx_free_ddb_list(ha);
@@ -1423,6 +1774,7 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
scsi_host_put(ha->host);
+ pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}
@@ -1479,7 +1831,8 @@ static void qla4xxx_slave_destroy(struct scsi_device *sdev)
*
* This routine removes and returns the srb at the specified index
**/
-struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t index)
+struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
+ uint32_t index)
{
struct srb *srb = NULL;
struct scsi_cmnd *cmd = NULL;
@@ -1769,6 +2122,12 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
ha = (struct scsi_qla_host *) cmd->device->host->hostdata;
+ if (ql4xdontresethba) {
+ DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
+ ha->host_no, __func__));
+ return FAILED;
+ }
+
dev_info(&ha->pdev->dev,
"scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
cmd->device->channel, cmd->device->id, cmd->device->lun);
@@ -1781,11 +2140,14 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
return FAILED;
}
- /* make sure the dpc thread is stopped while we reset the hba */
- clear_bit(AF_ONLINE, &ha->flags);
- flush_workqueue(ha->dpc_thread);
+ if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
+ if (is_qla8022(ha))
+ set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
+ else
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ }
- if (qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST) == QLA_SUCCESS)
+ if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
return_status = SUCCESS;
dev_info(&ha->pdev->dev, "HOST RESET %s.\n",
@@ -1794,7 +2156,6 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
return return_status;
}
-
static struct pci_device_id qla4xxx_pci_tbl[] = {
{
.vendor = PCI_VENDOR_ID_QLOGIC,
@@ -1814,6 +2175,12 @@ static struct pci_device_id qla4xxx_pci_tbl[] = {
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
+ {
+ .vendor = PCI_VENDOR_ID_QLOGIC,
+ .device = PCI_DEVICE_ID_QLOGIC_ISP8022,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
{0, 0},
};
MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
@@ -1869,7 +2236,6 @@ no_srp_cache:
static void __exit qla4xxx_module_exit(void)
{
- ql4_mod_unload = 1;
pci_unregister_driver(&qla4xxx_pci_driver);
iscsi_unregister_transport(&qla4xxx_iscsi_transport);
kmem_cache_destroy(srb_cachep);
--
1.7.0.5
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
