[SCSI] qla4xxx: Added support for ISP82XX

Signed-off-by: Vikas Chaudhary <Vikas Chaudhary@qlogic.com>
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 130 insertions, 11 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 3e1c990..a79da8d 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 qla4_8xxx_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];
@@ -469,6 +549,40 @@ 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 *qla4_8xxx_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 qla4_8xxx_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)
@@ -496,6 +610,11 @@ 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) &&