[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>
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
new file mode 100644
index 0000000..3e119ae
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -0,0 +1,2321 @@
+/*
+ * 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) ((qla4_8xxx_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 *
+qla4_8xxx_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 qla4_8xxx_crb_table_initialized;
+
+#define qla4_8xxx_crb_addr_transform(name) \
+ (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
+ QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
+static void
+qla4_8xxx_crb_addr_transform_setup(void)
+{
+ qla4_8xxx_crb_addr_transform(XDMA);
+ qla4_8xxx_crb_addr_transform(TIMR);
+ qla4_8xxx_crb_addr_transform(SRE);
+ qla4_8xxx_crb_addr_transform(SQN3);
+ qla4_8xxx_crb_addr_transform(SQN2);
+ qla4_8xxx_crb_addr_transform(SQN1);
+ qla4_8xxx_crb_addr_transform(SQN0);
+ qla4_8xxx_crb_addr_transform(SQS3);
+ qla4_8xxx_crb_addr_transform(SQS2);
+ qla4_8xxx_crb_addr_transform(SQS1);
+ qla4_8xxx_crb_addr_transform(SQS0);
+ qla4_8xxx_crb_addr_transform(RPMX7);
+ qla4_8xxx_crb_addr_transform(RPMX6);
+ qla4_8xxx_crb_addr_transform(RPMX5);
+ qla4_8xxx_crb_addr_transform(RPMX4);
+ qla4_8xxx_crb_addr_transform(RPMX3);
+ qla4_8xxx_crb_addr_transform(RPMX2);
+ qla4_8xxx_crb_addr_transform(RPMX1);
+ qla4_8xxx_crb_addr_transform(RPMX0);
+ qla4_8xxx_crb_addr_transform(ROMUSB);
+ qla4_8xxx_crb_addr_transform(SN);
+ qla4_8xxx_crb_addr_transform(QMN);
+ qla4_8xxx_crb_addr_transform(QMS);
+ qla4_8xxx_crb_addr_transform(PGNI);
+ qla4_8xxx_crb_addr_transform(PGND);
+ qla4_8xxx_crb_addr_transform(PGN3);
+ qla4_8xxx_crb_addr_transform(PGN2);
+ qla4_8xxx_crb_addr_transform(PGN1);
+ qla4_8xxx_crb_addr_transform(PGN0);
+ qla4_8xxx_crb_addr_transform(PGSI);
+ qla4_8xxx_crb_addr_transform(PGSD);
+ qla4_8xxx_crb_addr_transform(PGS3);
+ qla4_8xxx_crb_addr_transform(PGS2);
+ qla4_8xxx_crb_addr_transform(PGS1);
+ qla4_8xxx_crb_addr_transform(PGS0);
+ qla4_8xxx_crb_addr_transform(PS);
+ qla4_8xxx_crb_addr_transform(PH);
+ qla4_8xxx_crb_addr_transform(NIU);
+ qla4_8xxx_crb_addr_transform(I2Q);
+ qla4_8xxx_crb_addr_transform(EG);
+ qla4_8xxx_crb_addr_transform(MN);
+ qla4_8xxx_crb_addr_transform(MS);
+ qla4_8xxx_crb_addr_transform(CAS2);
+ qla4_8xxx_crb_addr_transform(CAS1);
+ qla4_8xxx_crb_addr_transform(CAS0);
+ qla4_8xxx_crb_addr_transform(CAM);
+ qla4_8xxx_crb_addr_transform(C2C1);
+ qla4_8xxx_crb_addr_transform(C2C0);
+ qla4_8xxx_crb_addr_transform(SMB);
+ qla4_8xxx_crb_addr_transform(OCM0);
+ qla4_8xxx_crb_addr_transform(I2C0);
+
+ qla4_8xxx_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 qla4_8xxx_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
+qla4_8xxx_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
+qla4_8xxx_wr_32(struct scsi_qla_host *ha, ulong off, u32 data)
+{
+ unsigned long flags = 0;
+ int rv;
+
+ rv = qla4_8xxx_pci_get_crb_addr_2M(ha, &off);
+
+ BUG_ON(rv == -1);
+
+ if (rv == 1) {
+ write_lock_irqsave(&ha->hw_lock, flags);
+ qla4_8xxx_crb_win_lock(ha);
+ qla4_8xxx_pci_set_crbwindow_2M(ha, &off);
+ }
+
+ writel(data, (void __iomem *)off);
+
+ if (rv == 1) {
+ qla4_8xxx_crb_win_unlock(ha);
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ }
+}
+
+int
+qla4_8xxx_rd_32(struct scsi_qla_host *ha, ulong off)
+{
+ unsigned long flags = 0;
+ int rv;
+ u32 data;
+
+ rv = qla4_8xxx_pci_get_crb_addr_2M(ha, &off);
+
+ BUG_ON(rv == -1);
+
+ if (rv == 1) {
+ write_lock_irqsave(&ha->hw_lock, flags);
+ qla4_8xxx_crb_win_lock(ha);
+ qla4_8xxx_pci_set_crbwindow_2M(ha, &off);
+ }
+ data = readl((void __iomem *)off);
+
+ if (rv == 1) {
+ qla4_8xxx_crb_win_unlock(ha);
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ }
+ return data;
+}
+
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+
+int qla4_8xxx_crb_win_lock(struct scsi_qla_host *ha)
+{
+ int i;
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore3 from PCI HW block */
+ done = qla4_8xxx_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*/
+ }
+ }
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->func_num);
+ return 0;
+}
+
+void qla4_8xxx_crb_win_unlock(struct scsi_qla_host *ha)
+{
+ qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
+}
+
+#define IDC_LOCK_TIMEOUT 100000000
+
+/**
+ * qla4_8xxx_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 qla4_8xxx_idc_lock(struct scsi_qla_host *ha)
+{
+ int i;
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore5 from PCI HW block */
+ done = qla4_8xxx_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 qla4_8xxx_idc_unlock(struct scsi_qla_host *ha)
+{
+ qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
+}
+
+int
+qla4_8xxx_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
+qla4_8xxx_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 qla4_8xxx_pci_set_window_warning_count;
+
+static unsigned long
+qla4_8xxx_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;
+ qla4_8xxx_wr_32(ha, ha->mn_win_crb |
+ QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla4_8xxx_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;
+ qla4_8xxx_wr_32(ha, ha->mn_win_crb |
+ QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla4_8xxx_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;
+ qla4_8xxx_wr_32(ha, ha->ms_win_crb |
+ QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla4_8xxx_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 ((qla4_8xxx_pci_set_window_warning_count++ < 8) ||
+ (qla4_8xxx_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 qla4_8xxx_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 qla4_8xxx_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 = qla4_8xxx_pci_set_window(ha, off);
+ if ((start == -1UL) ||
+ (qla4_8xxx_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 = qla4_8xxx_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
+qla4_8xxx_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 = qla4_8xxx_pci_set_window(ha, off);
+ if ((start == -1UL) ||
+ (qla4_8xxx_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 = qla4_8xxx_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
+qla4_8xxx_decode_crb_addr(unsigned long addr)
+{
+ int i;
+ unsigned long base_addr, offset, pci_base;
+
+ if (!qla4_8xxx_crb_table_initialized)
+ qla4_8xxx_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 qla4_8xxx_rom_lock_timeout = 100;
+
+static int
+qla4_8xxx_rom_lock(struct scsi_qla_host *ha)
+{
+ int i;
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore2 from PCI HW block */
+
+ done = qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
+ if (done == 1)
+ break;
+ if (timeout >= qla4_8xxx_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*/
+ }
+ }
+ qla4_8xxx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
+ return 0;
+}
+
+static void
+qla4_8xxx_rom_unlock(struct scsi_qla_host *ha)
+{
+ qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+}
+
+static int
+qla4_8xxx_wait_rom_done(struct scsi_qla_host *ha)
+{
+ long timeout = 0;
+ long done = 0 ;
+
+ while (done == 0) {
+ done = qla4_8xxx_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
+qla4_8xxx_do_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
+{
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb);
+ if (qla4_8xxx_wait_rom_done(ha)) {
+ printk("%s: Error waiting for rom done\n", DRIVER_NAME);
+ return -1;
+ }
+ /* reset abyte_cnt and dummy_byte_cnt */
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ udelay(10);
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
+
+ *valp = qla4_8xxx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
+ return 0;
+}
+
+static int
+qla4_8xxx_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
+{
+ int ret, loops = 0;
+
+ while ((qla4_8xxx_rom_lock(ha) != 0) && (loops < 50000)) {
+ udelay(100);
+ loops++;
+ }
+ if (loops >= 50000) {
+ printk("%s: qla4_8xxx_rom_lock failed\n", DRIVER_NAME);
+ return -1;
+ }
+ ret = qla4_8xxx_do_rom_fast_read(ha, addr, valp);
+ qla4_8xxx_rom_unlock(ha);
+ return ret;
+}
+
+/**
+ * This routine does CRB initialize sequence
+ * to put the ISP into operational state
+ **/
+static int
+qla4_8xxx_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 */
+ qla4_8xxx_rom_lock(ha);
+ if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
+ /* don't reset CAM block on reset */
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
+ else
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
+
+ qla4_8xxx_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 (qla4_8xxx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
+ qla4_8xxx_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 (qla4_8xxx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
+ qla4_8xxx_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 = qla4_8xxx_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;
+ }
+
+ qla4_8xxx_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 */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
+
+ /* Clear all protocol processing engines */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
+
+ return 0;
+}
+
+static int qla4_8xxx_check_for_bad_spd(struct scsi_qla_host *ha)
+{
+ u32 val = 0;
+ val = qla4_8xxx_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
+qla4_8xxx_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 ((qla4_8xxx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
+ (qla4_8xxx_rom_fast_read(ha, flashaddr + 4,
+ (int *)&high))) {
+ return -1;
+ }
+ data = ((u64)high << 32) | low ;
+ qla4_8xxx_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);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
+ read_unlock(&ha->hw_lock);
+
+ return 0;
+}
+
+static int qla4_8xxx_load_fw(struct scsi_qla_host *ha, uint32_t image_start)
+{
+ u32 rst;
+
+ qla4_8xxx_wr_32(ha, CRB_CMDPEG_STATE, 0);
+ if (qla4_8xxx_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 = qla4_8xxx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
+ /* unreset qm */
+ rst &= ~(1 << 28);
+ qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
+
+ if (qla4_8xxx_load_from_flash(ha, image_start)) {
+ printk("%s: Error trying to load fw from flash!\n", __func__);
+ return QLA_ERROR;
+ }
+
+ return QLA_SUCCESS;
+}
+
+int
+qla4_8xxx_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 (qla4_8xxx_pci_mem_bound_check(ha, off, size) == 0)
+ return qla4_8xxx_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);
+ qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
+ temp = 0;
+ qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
+ temp = MIU_TA_CTL_ENABLE;
+ qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+ qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = qla4_8xxx_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 = qla4_8xxx_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
+qla4_8xxx_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 (qla4_8xxx_pci_mem_bound_check(ha, off, size) == 0)
+ return qla4_8xxx_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 (qla4_8xxx_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);
+ qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
+ temp = 0;
+ qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
+ temp = word[i * scale] & 0xffffffff;
+ qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
+ temp = (word[i * scale] >> 32) & 0xffffffff;
+ qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
+ temp = word[i*scale + 1] & 0xffffffff;
+ qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_LO,
+ temp);
+ temp = (word[i*scale + 1] >> 32) & 0xffffffff;
+ qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_HI,
+ temp);
+
+ temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = qla4_8xxx_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 qla4_8xxx_cmdpeg_ready(struct scsi_qla_host *ha, int pegtune_val)
+{
+ u32 val = 0;
+ int retries = 60;
+
+ if (!pegtune_val) {
+ do {
+ val = qla4_8xxx_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);
+
+ qla4_8xxx_check_for_bad_spd(ha);
+
+ if (!retries) {
+ pegtune_val = qla4_8xxx_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 qla4_8xxx_rcvpeg_ready(struct scsi_qla_host *ha)
+{
+ uint32_t state = 0;
+ int loops = 0;
+
+ /* Window 1 call */
+ read_lock(&ha->hw_lock);
+ state = qla4_8xxx_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 = qla4_8xxx_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
+qla4_8xxx_set_drv_active(struct scsi_qla_host *ha)
+{
+ uint32_t drv_active;
+
+ drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ drv_active |= (1 << (ha->func_num * 4));
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
+}
+
+void
+qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha)
+{
+ uint32_t drv_active;
+
+ drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ drv_active &= ~(1 << (ha->func_num * 4));
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
+}
+
+static inline int
+qla4_8xxx_need_reset(struct scsi_qla_host *ha)
+{
+ uint32_t drv_state;
+ int rval;
+
+ drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ rval = drv_state & (1 << (ha->func_num * 4));
+ return rval;
+}
+
+static inline void
+qla4_8xxx_set_rst_ready(struct scsi_qla_host *ha)
+{
+ uint32_t drv_state;
+
+ drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_state |= (1 << (ha->func_num * 4));
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
+}
+
+static inline void
+qla4_8xxx_clear_rst_ready(struct scsi_qla_host *ha)
+{
+ uint32_t drv_state;
+
+ drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_state &= ~(1 << (ha->func_num * 4));
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
+}
+
+static inline void
+qla4_8xxx_set_qsnt_ready(struct scsi_qla_host *ha)
+{
+ uint32_t qsnt_state;
+
+ qsnt_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ qsnt_state |= (2 << (ha->func_num * 4));
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
+}
+
+
+static int
+qla4_8xxx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start)
+{
+ int pcie_cap;
+ uint16_t lnk;
+
+ /* scrub dma mask expansion register */
+ qla4_8xxx_wr_32(ha, CRB_DMA_SHIFT, 0x55555555);
+
+ /* Overwrite stale initialization register values */
+ qla4_8xxx_wr_32(ha, CRB_CMDPEG_STATE, 0);
+ qla4_8xxx_wr_32(ha, CRB_RCVPEG_STATE, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
+ qla4_8xxx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
+
+ if (qla4_8xxx_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 (qla4_8xxx_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 qla4_8xxx_rcvpeg_ready(ha);
+}
+
+static int
+qla4_8xxx_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 = qla4_8xxx_get_flash_info(ha);
+ if (rval != QLA_SUCCESS)
+ return rval;
+
+ ql4_printk(KERN_INFO, ha,
+ "FW: Attempting to load firmware from flash...\n");
+ rval = qla4_8xxx_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;
+}
+
+/**
+ * qla4_8xxx_device_bootstrap - Initialize device, set DEV_READY, start fw
+ * @ha: pointer to adapter structure
+ *
+ * Note: IDC lock must be held upon entry
+ **/
+static int
+qla4_8xxx_device_bootstrap(struct scsi_qla_host *ha)
+{
+ int rval, i, timeout;
+ uint32_t old_count, count;
+
+ if (qla4_8xxx_need_reset(ha))
+ goto dev_initialize;
+
+ old_count = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+
+ for (i = 0; i < 10; i++) {
+ timeout = msleep_interruptible(200);
+ if (timeout) {
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_FAILED);
+ return QLA_ERROR;
+ }
+
+ count = qla4_8xxx_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");
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING);
+
+ /* Driver that sets device state to initializating sets IDC version */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
+
+ qla4_8xxx_idc_unlock(ha);
+ rval = qla4_8xxx_try_start_fw(ha);
+ qla4_8xxx_idc_lock(ha);
+
+ if (rval != QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
+ qla4_8xxx_clear_drv_active(ha);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED);
+ return rval;
+ }
+
+dev_ready:
+ ql4_printk(KERN_INFO, ha, "HW State: READY\n");
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla4_8xxx_need_reset_handler - Code to start reset sequence
+ * @ha: pointer to adapter structure
+ *
+ * Note: IDC lock must be held upon entry
+ **/
+static void
+qla4_8xxx_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)) {
+ qla4_8xxx_idc_unlock(ha);
+ ha->isp_ops->disable_intrs(ha);
+ qla4_8xxx_idc_lock(ha);
+ }
+
+ qla4_8xxx_set_rst_ready(ha);
+
+ /* wait for 10 seconds for reset ack from all functions */
+ reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
+
+ drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_active = qla4_8xxx_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;
+ }
+
+ qla4_8xxx_idc_unlock(ha);
+ msleep(1000);
+ qla4_8xxx_idc_lock(ha);
+
+ drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ }
+
+ dev_state = qla4_8xxx_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");
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
+ }
+}
+
+/**
+ * qla4_8xxx_need_qsnt_handler - Code to start qsnt
+ * @ha: pointer to adapter structure
+ **/
+void
+qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha)
+{
+ qla4_8xxx_idc_lock(ha);
+ qla4_8xxx_set_qsnt_ready(ha);
+ qla4_8xxx_idc_unlock(ha);
+}
+
+/**
+ * qla4_8xxx_device_state_handler - Adapter state machine
+ * @ha: pointer to host adapter structure.
+ *
+ * Note: IDC lock must be UNLOCKED upon entry
+ **/
+int qla4_8xxx_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))
+ qla4_8xxx_set_drv_active(ha);
+
+ dev_state = qla4_8xxx_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) {
+ qla4_8xxx_idc_lock(ha);
+
+ if (time_after_eq(jiffies, dev_init_timeout)) {
+ ql4_printk(KERN_WARNING, ha, "Device init failed!\n");
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_FAILED);
+ }
+
+ dev_state = qla4_8xxx_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:
+ qla4_8xxx_idc_unlock(ha);
+ goto exit;
+ case QLA82XX_DEV_COLD:
+ rval = qla4_8xxx_device_bootstrap(ha);
+ qla4_8xxx_idc_unlock(ha);
+ goto exit;
+ case QLA82XX_DEV_INITIALIZING:
+ qla4_8xxx_idc_unlock(ha);
+ msleep(1000);
+ break;
+ case QLA82XX_DEV_NEED_RESET:
+ if (!ql4xdontresethba) {
+ qla4_8xxx_need_reset_handler(ha);
+ /* Update timeout value after need
+ * reset handler */
+ dev_init_timeout = jiffies +
+ (ha->nx_dev_init_timeout * HZ);
+ }
+ qla4_8xxx_idc_unlock(ha);
+ break;
+ case QLA82XX_DEV_NEED_QUIESCENT:
+ qla4_8xxx_idc_unlock(ha);
+ /* idc locked/unlocked in handler */
+ qla4_8xxx_need_qsnt_handler(ha);
+ qla4_8xxx_idc_lock(ha);
+ /* fall thru needs idc_locked */
+ case QLA82XX_DEV_QUIESCENT:
+ qla4_8xxx_idc_unlock(ha);
+ msleep(1000);
+ break;
+ case QLA82XX_DEV_FAILED:
+ qla4_8xxx_idc_unlock(ha);
+ qla4xxx_dead_adapter_cleanup(ha);
+ rval = QLA_ERROR;
+ goto exit;
+ default:
+ qla4_8xxx_idc_unlock(ha);
+ qla4xxx_dead_adapter_cleanup(ha);
+ rval = QLA_ERROR;
+ goto exit;
+ }
+ }
+exit:
+ return rval;
+}
+
+int qla4_8xxx_load_risc(struct scsi_qla_host *ha)
+{
+ int retval;
+ retval = qla4_8xxx_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 *
+qla4_8xxx_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 ((qla4_8xxx_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 (qla4_8xxx_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:
+ qla4_8xxx_rom_unlock(ha);
+ return dwptr;
+}
+
+/**
+ * Address and length are byte address
+ **/
+static uint8_t *
+qla4_8xxx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
+ uint32_t offset, uint32_t length)
+{
+ qla4_8xxx_read_flash_data(ha, (uint32_t *)buf, offset, length);
+ return buf;
+}
+
+static int
+qla4_8xxx_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
+qla4_8xxx_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];
+ qla4_8xxx_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
+qla4_8xxx_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;
+ qla4_8xxx_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
+qla4_8xxx_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;
+ qla4_8xxx_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
+qla4_8xxx_get_flash_info(struct scsi_qla_host *ha)
+{
+ int ret;
+ uint32_t flt_addr;
+
+ ret = qla4_8xxx_find_flt_start(ha, &flt_addr);
+ if (ret != QLA_SUCCESS)
+ return ret;
+
+ qla4_8xxx_get_flt_info(ha, flt_addr);
+ qla4_8xxx_get_fdt_info(ha);
+ qla4_8xxx_get_idc_param(ha);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla4_8xxx_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
+qla4_8xxx_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;
+}
+
+/**
+ * qla4_8xxx_isp_reset - Resets ISP and aborts all outstanding commands.
+ * @ha: pointer to host adapter structure.
+ **/
+int
+qla4_8xxx_isp_reset(struct scsi_qla_host *ha)
+{
+ int rval;
+ uint32_t dev_state;
+
+ qla4_8xxx_idc_lock(ha);
+ dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+
+ if (dev_state == QLA82XX_DEV_READY) {
+ ql4_printk(KERN_INFO, ha, "HW State: NEED RESET\n");
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_NEED_RESET);
+ } else
+ ql4_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n");
+
+ qla4_8xxx_idc_unlock(ha);
+
+ rval = qla4_8xxx_device_state_handler(ha);
+
+ qla4_8xxx_idc_lock(ha);
+ qla4_8xxx_clear_rst_ready(ha);
+ qla4_8xxx_idc_unlock(ha);
+
+ return rval;
+}
+
+/**
+ * qla4_8xxx_get_sys_info - get adapter MAC address(es) and serial number
+ * @ha: pointer to host adapter structure.
+ *
+ **/
+int qla4_8xxx_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
+qla4_8xxx_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
+qla4_8xxx_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
+qla4_8xxx_enable_intrs(struct scsi_qla_host *ha)
+{
+ qla4_8xxx_mbx_intr_enable(ha);
+
+ spin_lock_irq(&ha->hardware_lock);
+ /* BIT 10 - reset */
+ qla4_8xxx_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
+qla4_8xxx_disable_intrs(struct scsi_qla_host *ha)
+{
+ if (test_bit(AF_INTERRUPTS_ON, &ha->flags))
+ qla4_8xxx_mbx_intr_disable(ha);
+
+ spin_lock_irq(&ha->hardware_lock);
+ /* BIT 10 - set */
+ qla4_8xxx_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 qla4_8xxx_msix_entries[QLA_MSIX_ENTRIES] = {
+ { QLA_MSIX_DEFAULT, QLA_MIDX_DEFAULT,
+ "qla4xxx (default)",
+ (irq_handler_t)qla4_8xxx_default_intr_handler },
+ { QLA_MSIX_RSP_Q, QLA_MIDX_RSP_Q,
+ "qla4xxx (rsp_q)", (irq_handler_t)qla4_8xxx_msix_rsp_q },
+};
+
+void
+qla4_8xxx_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[qla4_8xxx_msix_entries[i].index];
+ if (qentry->have_irq) {
+ free_irq(qentry->msix_vector, ha);
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n",
+ __func__, qla4_8xxx_msix_entries[i].name));
+ }
+ }
+ pci_disable_msix(ha->pdev);
+ clear_bit(AF_MSIX_ENABLED, &ha->flags);
+}
+
+int
+qla4_8xxx_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 = qla4_8xxx_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[qla4_8xxx_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,
+ qla4_8xxx_msix_entries[i].handler, 0,
+ qla4_8xxx_msix_entries[i].name, ha);
+ if (ret) {
+ ql4_printk(KERN_WARNING, ha,
+ "MSI-X: Unable to register handler -- %x/%d.\n",
+ qla4_8xxx_msix_entries[i].index, ret);
+ qla4_8xxx_disable_msix(ha);
+ goto msix_out;
+ }
+ qentry->have_irq = 1;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n",
+ __func__, qla4_8xxx_msix_entries[i].name));
+ }
+msix_out:
+ return ret;
+}