diff options
Diffstat (limited to 'kernel/drivers/scsi/qla2xxx/qla_nx.c')
| -rw-r--r-- | kernel/drivers/scsi/qla2xxx/qla_nx.c | 4518 |
1 files changed, 4518 insertions, 0 deletions
diff --git a/kernel/drivers/scsi/qla2xxx/qla_nx.c b/kernel/drivers/scsi/qla2xxx/qla_nx.c new file mode 100644 index 000000000..7d2b18f26 --- /dev/null +++ b/kernel/drivers/scsi/qla2xxx/qla_nx.c @@ -0,0 +1,4518 @@ +/* + * QLogic Fibre Channel HBA Driver + * Copyright (c) 2003-2014 QLogic Corporation + * + * See LICENSE.qla2xxx for copyright and licensing details. + */ +#include "qla_def.h" +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/ratelimit.h> +#include <linux/vmalloc.h> +#include <scsi/scsi_tcq.h> + +#define MASK(n) ((1ULL<<(n))-1) +#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)) +#define BLOCK_PROTECT_BITS 0x0F + +/* CRB window related */ +#define CRB_BLK(off) ((off >> 20) & 0x3f) +#define CRB_SUBBLK(off) ((off >> 16) & 0xf) +#define CRB_WINDOW_2M (0x130060) +#define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL) +#define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \ + ((off) & 0xf0000)) +#define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL) +#define CRB_INDIRECT_2M (0x1e0000UL) + +#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); + /* + * Used only in P3 just define it for P2 also. + */ + 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} } }, + {{{1, 0x0100000, 0x0102000, 0x120000}, + {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} } }, + {{{0, 0, 0, 0} } }, + {{{1, 0x0400000, 0x0401000, 0x169000} } }, + {{{1, 0x0500000, 0x0510000, 0x140000} } }, + {{{1, 0x0600000, 0x0610000, 0x1c0000} } }, + {{{1, 0x0700000, 0x0704000, 0x1b8000} } }, + {{{1, 0x0800000, 0x0802000, 0x170000}, + {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}, + {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}, + {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}, + {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} } }, + {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } }, + {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } }, + {{{1, 0x0f00000, 0x0f01000, 0x164000} } }, + {{{0, 0x1000000, 0x1004000, 0x1a8000} } }, + {{{1, 0x1100000, 0x1101000, 0x160000} } }, + {{{1, 0x1200000, 0x1201000, 0x161000} } }, + {{{1, 0x1300000, 0x1301000, 0x162000} } }, + {{{1, 0x1400000, 0x1401000, 0x163000} } }, + {{{1, 0x1500000, 0x1501000, 0x165000} } }, + {{{1, 0x1600000, 0x1601000, 0x166000} } }, + {{{0, 0, 0, 0} } }, + {{{0, 0, 0, 0} } }, + {{{0, 0, 0, 0} } }, + {{{0, 0, 0, 0} } }, + {{{0, 0, 0, 0} } }, + {{{0, 0, 0, 0} } }, + {{{1, 0x1d00000, 0x1d10000, 0x190000} } }, + {{{1, 0x1e00000, 0x1e01000, 0x16a000} } }, + {{{1, 0x1f00000, 0x1f10000, 0x150000} } }, + {{{0} } }, + {{{1, 0x2100000, 0x2102000, 0x120000}, + {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} } }, + {{{0} } }, + {{{0} } }, + {{{0} } }, + {{{0} } }, + {{{0} } }, + {{{1, 0x2800000, 0x2804000, 0x1a4000} } }, + {{{1, 0x2900000, 0x2901000, 0x16b000} } }, + {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } }, + {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } }, + {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } }, + {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } }, + {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } }, + {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } }, + {{{1, 0x3000000, 0x3000400, 0x1adc00} } }, + {{{0, 0x3100000, 0x3104000, 0x1a8000} } }, + {{{1, 0x3200000, 0x3204000, 0x1d4000} } }, + {{{1, 0x3300000, 0x3304000, 0x1a0000} } }, + {{{0} } }, + {{{1, 0x3500000, 0x3500400, 0x1ac000} } }, + {{{1, 0x3600000, 0x3600400, 0x1ae000} } }, + {{{1, 0x3700000, 0x3700400, 0x1ae400} } }, + {{{1, 0x3800000, 0x3804000, 0x1d0000} } }, + {{{1, 0x3900000, 0x3904000, 0x1b4000} } }, + {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } }, + {{{0} } }, + {{{0} } }, + {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } }, + {{{1, 0x3e00000, 0x3e01000, 0x167000} } }, + {{{1, 0x3f00000, 0x3f01000, 0x168000} } } +}; + +/* + * 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 *q_dev_state[] = { + "Unknown", + "Cold", + "Initializing", + "Ready", + "Need Reset", + "Need Quiescent", + "Failed", + "Quiescent", +}; + +char *qdev_state(uint32_t dev_state) +{ + return q_dev_state[dev_state]; +} + +/* + * 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 qla_hw_data *ha, ulong *off) +{ + u32 win_read; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + 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 = RD_REG_DWORD((void __iomem *) + (CRB_WINDOW_2M + ha->nx_pcibase)); + if (win_read != ha->crb_win) { + ql_dbg(ql_dbg_p3p, vha, 0xb000, + "%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; +} + +static inline unsigned long +qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off) +{ + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + /* See if we are currently pointing to the region we want to use next */ + if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) { + /* No need to change window. PCIX and PCIEregs are in both + * regs are in both windows. + */ + return off; + } + + if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) { + /* We are in first CRB window */ + if (ha->curr_window != 0) + WARN_ON(1); + return off; + } + + if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) { + /* We are in second CRB window */ + off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST; + + if (ha->curr_window != 1) + return off; + + /* We are in the QM or direct access + * register region - do nothing + */ + if ((off >= QLA82XX_PCI_DIRECT_CRB) && + (off < QLA82XX_PCI_CAMQM_MAX)) + return off; + } + /* strange address given */ + ql_dbg(ql_dbg_p3p, vha, 0xb001, + "%s: Warning: unm_nic_pci_set_crbwindow " + "called with an unknown address(%llx).\n", + QLA2XXX_DRIVER_NAME, off); + return off; +} + +static int +qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *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; +} + +#define CRB_WIN_LOCK_TIMEOUT 100000000 +static int qla82xx_crb_win_lock(struct qla_hw_data *ha) +{ + 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++; + } + qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum); + return 0; +} + +int +qla82xx_wr_32(struct qla_hw_data *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_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); + write_unlock_irqrestore(&ha->hw_lock, flags); + } + return 0; +} + +int +qla82xx_rd_32(struct qla_hw_data *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 = RD_REG_DWORD((void __iomem *)off); + + if (rv == 1) { + qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); + write_unlock_irqrestore(&ha->hw_lock, flags); + } + return data; +} + +#define IDC_LOCK_TIMEOUT 100000000 +int qla82xx_idc_lock(struct qla_hw_data *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(); + } + } + + return 0; +} + +void qla82xx_idc_unlock(struct qla_hw_data *ha) +{ + qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK)); +} + +/* 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 qla_hw_data *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; + else + return 1; +} + +static int qla82xx_pci_set_window_warning_count; + +static unsigned long +qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr) +{ + int window; + u32 win_read; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + 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) { + ql_dbg(ql_dbg_p3p, vha, 0xb003, + "%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 ((addr & 0x00ff800) == 0xff800) { + ql_log(ql_log_warn, vha, 0xb004, + "%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) { + ql_log(ql_log_warn, vha, 0xb005, + "%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) { + ql_log(ql_log_warn, vha, 0xb006, + "%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)) { + ql_log(ql_log_warn, vha, 0xb007, + "%s: Warning:%s Unknown address range!.\n", + __func__, QLA2XXX_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 qla_hw_data *ha, + unsigned long long addr) +{ + int window; + unsigned long long qdr_max; + + qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX; + + /* DDR network side */ + if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, + QLA82XX_ADDR_DDR_NET_MAX)) + BUG(); + 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 qla_hw_data *ha, + u64 off, void *data, int size) +{ + unsigned long flags; + void __iomem *addr = NULL; + int ret = 0; + u64 start; + uint8_t __iomem *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + 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); + ql_log(ql_log_fatal, vha, 0xb008, + "%s out of bound pci memory " + "access, offset is 0x%llx.\n", + QLA2XXX_DRIVER_NAME, off); + return -1; + } + + 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 qla_hw_data *ha, + u64 off, void *data, int size) +{ + unsigned long flags; + void __iomem *addr = NULL; + int ret = 0; + u64 start; + uint8_t __iomem *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + 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); + ql_log(ql_log_fatal, vha, 0xb009, + "%s out of bount memory " + "access, offset is 0x%llx.\n", + QLA2XXX_DRIVER_NAME, off); + return -1; + } + + 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; + return pci_base + offset; +} + +static long rom_max_timeout = 100; +static long qla82xx_rom_lock_timeout = 100; + +static int +qla82xx_rom_lock(struct qla_hw_data *ha) +{ + int done = 0, timeout = 0; + uint32_t lock_owner = 0; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + 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) { + lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID); + ql_dbg(ql_dbg_p3p, vha, 0xb157, + "%s: Simultaneous flash access by following ports, active port = %d: accessing port = %d", + __func__, ha->portnum, lock_owner); + return -1; + } + timeout++; + } + qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ha->portnum); + return 0; +} + +static void +qla82xx_rom_unlock(struct qla_hw_data *ha) +{ + qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, 0xffffffff); + qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); +} + +static int +qla82xx_wait_rom_busy(struct qla_hw_data *ha) +{ + long timeout = 0; + long done = 0 ; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + while (done == 0) { + done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); + done &= 4; + timeout++; + if (timeout >= rom_max_timeout) { + ql_dbg(ql_dbg_p3p, vha, 0xb00a, + "%s: Timeout reached waiting for rom busy.\n", + QLA2XXX_DRIVER_NAME); + return -1; + } + } + return 0; +} + +static int +qla82xx_wait_rom_done(struct qla_hw_data *ha) +{ + long timeout = 0; + long done = 0 ; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + while (done == 0) { + done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); + done &= 2; + timeout++; + if (timeout >= rom_max_timeout) { + ql_dbg(ql_dbg_p3p, vha, 0xb00b, + "%s: Timeout reached waiting for rom done.\n", + QLA2XXX_DRIVER_NAME); + return -1; + } + } + return 0; +} + +static int +qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag) +{ + uint32_t off_value, rval = 0; + + WRT_REG_DWORD((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase), + (off & 0xFFFF0000)); + + /* Read back value to make sure write has gone through */ + RD_REG_DWORD((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); + off_value = (off & 0x0000FFFF); + + if (flag) + WRT_REG_DWORD((void __iomem *) + (off_value + CRB_INDIRECT_2M + ha->nx_pcibase), + data); + else + rval = RD_REG_DWORD((void __iomem *) + (off_value + CRB_INDIRECT_2M + ha->nx_pcibase)); + + return rval; +} + +static int +qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) +{ + /* Dword reads to flash. */ + qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, (addr & 0xFFFF0000), 1); + *valp = qla82xx_md_rw_32(ha, MD_DIRECT_ROM_READ_BASE + + (addr & 0x0000FFFF), 0, 0); + + return 0; +} + +static int +qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) +{ + int ret, loops = 0; + uint32_t lock_owner = 0; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { + udelay(100); + schedule(); + loops++; + } + if (loops >= 50000) { + lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID); + ql_log(ql_log_fatal, vha, 0x00b9, + "Failed to acquire SEM2 lock, Lock Owner %u.\n", + lock_owner); + return -1; + } + ret = qla82xx_do_rom_fast_read(ha, addr, valp); + qla82xx_rom_unlock(ha); + return ret; +} + +static int +qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val) +{ + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR); + qla82xx_wait_rom_busy(ha); + if (qla82xx_wait_rom_done(ha)) { + ql_log(ql_log_warn, vha, 0xb00c, + "Error waiting for rom done.\n"); + return -1; + } + *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); + return 0; +} + +static int +qla82xx_flash_wait_write_finish(struct qla_hw_data *ha) +{ + long timeout = 0; + uint32_t done = 1 ; + uint32_t val; + int ret = 0; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); + while ((done != 0) && (ret == 0)) { + ret = qla82xx_read_status_reg(ha, &val); + done = val & 1; + timeout++; + udelay(10); + cond_resched(); + if (timeout >= 50000) { + ql_log(ql_log_warn, vha, 0xb00d, + "Timeout reached waiting for write finish.\n"); + return -1; + } + } + return ret; +} + +static int +qla82xx_flash_set_write_enable(struct qla_hw_data *ha) +{ + uint32_t val; + qla82xx_wait_rom_busy(ha); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN); + qla82xx_wait_rom_busy(ha); + if (qla82xx_wait_rom_done(ha)) + return -1; + if (qla82xx_read_status_reg(ha, &val) != 0) + return -1; + if ((val & 2) != 2) + return -1; + return 0; +} + +static int +qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val) +{ + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + if (qla82xx_flash_set_write_enable(ha)) + return -1; + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1); + if (qla82xx_wait_rom_done(ha)) { + ql_log(ql_log_warn, vha, 0xb00e, + "Error waiting for rom done.\n"); + return -1; + } + return qla82xx_flash_wait_write_finish(ha); +} + +static int +qla82xx_write_disable_flash(struct qla_hw_data *ha) +{ + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI); + if (qla82xx_wait_rom_done(ha)) { + ql_log(ql_log_warn, vha, 0xb00f, + "Error waiting for rom done.\n"); + return -1; + } + return 0; +} + +static int +ql82xx_rom_lock_d(struct qla_hw_data *ha) +{ + int loops = 0; + uint32_t lock_owner = 0; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { + udelay(100); + cond_resched(); + loops++; + } + if (loops >= 50000) { + lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID); + ql_log(ql_log_warn, vha, 0xb010, + "ROM lock failed, Lock Owner %u.\n", lock_owner); + return -1; + } + return 0; +} + +static int +qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr, + uint32_t data) +{ + int ret = 0; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + ret = ql82xx_rom_lock_d(ha); + if (ret < 0) { + ql_log(ql_log_warn, vha, 0xb011, + "ROM lock failed.\n"); + return ret; + } + + if (qla82xx_flash_set_write_enable(ha)) + goto done_write; + + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP); + qla82xx_wait_rom_busy(ha); + if (qla82xx_wait_rom_done(ha)) { + ql_log(ql_log_warn, vha, 0xb012, + "Error waiting for rom done.\n"); + ret = -1; + goto done_write; + } + + ret = qla82xx_flash_wait_write_finish(ha); + +done_write: + 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(scsi_qla_host_t *vha) +{ + int addr, val; + int i ; + struct crb_addr_pair *buf; + unsigned long off; + unsigned offset, n; + struct qla_hw_data *ha = vha->hw; + + struct crb_addr_pair { + long addr; + long data; + }; + + /* Halt all the individual PEGs and other blocks of the ISP */ + qla82xx_rom_lock(ha); + + /* disable all I2Q */ + qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0); + + /* disable all niu interrupts */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); + /* disable xge rx/tx */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); + /* disable xg1 rx/tx */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); + /* disable sideband mac */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00); + /* disable ap0 mac */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00); + /* disable ap1 mac */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00); + + /* halt sre */ + val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); + qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); + + /* halt epg */ + qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); + + /* halt timers */ + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0); + + /* halt pegs */ + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); + msleep(20); + + /* big hammer */ + if (test_bit(ABORT_ISP_ACTIVE, &vha->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) { + ql_log(ql_log_fatal, vha, 0x006e, + "Error Reading crb_init area: n: %08x.\n", n); + return -1; + } + + /* Offset in flash = lower 16 bits + * Number of entries = upper 16 bits + */ + offset = n & 0xffffU; + n = (n >> 16) & 0xffffU; + + /* number of addr/value pair should not exceed 1024 entries */ + if (n >= 1024) { + ql_log(ql_log_fatal, vha, 0x0071, + "Card flash not initialized:n=0x%x.\n", n); + return -1; + } + + ql_log(ql_log_info, vha, 0x0072, + "%d CRB init values found in ROM.\n", n); + + buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL); + if (buf == NULL) { + ql_log(ql_log_fatal, vha, 0x010c, + "Unable to allocate memory.\n"); + 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 + */ + + /* 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) { + ql_log(ql_log_fatal, vha, 0x0116, + "Unknown addr: 0x%08lx.\n", 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_pci_mem_write_2M(struct qla_hw_data *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()) + dev_err(&ha->pdev->dev, + "failed to write through agent.\n"); + ret = -1; + break; + } + } + + return ret; +} + +static int +qla82xx_fw_load_from_flash(struct qla_hw_data *ha) +{ + int i; + long size = 0; + long flashaddr = ha->flt_region_bootload << 2; + long memaddr = BOOTLD_START; + u64 data; + u32 high, low; + size = (IMAGE_START - BOOTLD_START) / 8; + + 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; +} + +int +qla82xx_pci_mem_read_2M(struct qla_hw_data *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()) + dev_err(&ha->pdev->dev, + "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; +} + + +static struct qla82xx_uri_table_desc * +qla82xx_get_table_desc(const u8 *unirom, int section) +{ + uint32_t i; + struct qla82xx_uri_table_desc *directory = + (struct qla82xx_uri_table_desc *)&unirom[0]; + __le32 offset; + __le32 tab_type; + __le32 entries = cpu_to_le32(directory->num_entries); + + for (i = 0; i < entries; i++) { + offset = cpu_to_le32(directory->findex) + + (i * cpu_to_le32(directory->entry_size)); + tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8)); + + if (tab_type == section) + return (struct qla82xx_uri_table_desc *)&unirom[offset]; + } + + return NULL; +} + +static struct qla82xx_uri_data_desc * +qla82xx_get_data_desc(struct qla_hw_data *ha, + u32 section, u32 idx_offset) +{ + const u8 *unirom = ha->hablob->fw->data; + int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset)); + struct qla82xx_uri_table_desc *tab_desc = NULL; + __le32 offset; + + tab_desc = qla82xx_get_table_desc(unirom, section); + if (!tab_desc) + return NULL; + + offset = cpu_to_le32(tab_desc->findex) + + (cpu_to_le32(tab_desc->entry_size) * idx); + + return (struct qla82xx_uri_data_desc *)&unirom[offset]; +} + +static u8 * +qla82xx_get_bootld_offset(struct qla_hw_data *ha) +{ + u32 offset = BOOTLD_START; + struct qla82xx_uri_data_desc *uri_desc = NULL; + + if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { + uri_desc = qla82xx_get_data_desc(ha, + QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF); + if (uri_desc) + offset = cpu_to_le32(uri_desc->findex); + } + + return (u8 *)&ha->hablob->fw->data[offset]; +} + +static __le32 +qla82xx_get_fw_size(struct qla_hw_data *ha) +{ + struct qla82xx_uri_data_desc *uri_desc = NULL; + + if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { + uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, + QLA82XX_URI_FIRMWARE_IDX_OFF); + if (uri_desc) + return cpu_to_le32(uri_desc->size); + } + + return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]); +} + +static u8 * +qla82xx_get_fw_offs(struct qla_hw_data *ha) +{ + u32 offset = IMAGE_START; + struct qla82xx_uri_data_desc *uri_desc = NULL; + + if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { + uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, + QLA82XX_URI_FIRMWARE_IDX_OFF); + if (uri_desc) + offset = cpu_to_le32(uri_desc->findex); + } + + return (u8 *)&ha->hablob->fw->data[offset]; +} + +/* PCI related functions */ +int qla82xx_pci_region_offset(struct pci_dev *pdev, int region) +{ + unsigned long val = 0; + u32 control; + + switch (region) { + case 0: + val = 0; + break; + case 1: + pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control); + val = control + QLA82XX_MSIX_TBL_SPACE; + break; + } + return val; +} + + +int +qla82xx_iospace_config(struct qla_hw_data *ha) +{ + uint32_t len = 0; + + if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) { + ql_log_pci(ql_log_fatal, ha->pdev, 0x000c, + "Failed to reserver selected regions.\n"); + goto iospace_error_exit; + } + + /* Use MMIO operations for all accesses. */ + if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { + ql_log_pci(ql_log_fatal, ha->pdev, 0x000d, + "Region #0 not an MMIO resource, aborting.\n"); + goto iospace_error_exit; + } + + len = pci_resource_len(ha->pdev, 0); + ha->nx_pcibase = + (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len); + if (!ha->nx_pcibase) { + ql_log_pci(ql_log_fatal, ha->pdev, 0x000e, + "Cannot remap pcibase MMIO, aborting.\n"); + goto iospace_error_exit; + } + + /* Mapping of IO base pointer */ + if (IS_QLA8044(ha)) { + ha->iobase = + (device_reg_t *)((uint8_t *)ha->nx_pcibase); + } else if (IS_QLA82XX(ha)) { + ha->iobase = + (device_reg_t *)((uint8_t *)ha->nx_pcibase + + 0xbc000 + (ha->pdev->devfn << 11)); + } + + if (!ql2xdbwr) { + ha->nxdb_wr_ptr = + (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) + + (ha->pdev->devfn << 12)), 4); + if (!ha->nxdb_wr_ptr) { + ql_log_pci(ql_log_fatal, ha->pdev, 0x000f, + "Cannot remap MMIO, aborting.\n"); + goto iospace_error_exit; + } + + /* Mapping of IO base pointer, + * door bell read and write pointer + */ + ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) + + (ha->pdev->devfn * 8); + } else { + ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ? + QLA82XX_CAMRAM_DB1 : + QLA82XX_CAMRAM_DB2); + } + + ha->max_req_queues = ha->max_rsp_queues = 1; + ha->msix_count = ha->max_rsp_queues + 1; + ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006, + "nx_pci_base=%p iobase=%p " + "max_req_queues=%d msix_count=%d.\n", + (void *)ha->nx_pcibase, ha->iobase, + ha->max_req_queues, ha->msix_count); + ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010, + "nx_pci_base=%p iobase=%p " + "max_req_queues=%d msix_count=%d.\n", + (void *)ha->nx_pcibase, ha->iobase, + ha->max_req_queues, ha->msix_count); + return 0; + +iospace_error_exit: + return -ENOMEM; +} + +/* GS related functions */ + +/* Initialization related functions */ + +/** + * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers. + * @ha: HA context + * + * Returns 0 on success. +*/ +int +qla82xx_pci_config(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + int ret; + + pci_set_master(ha->pdev); + ret = pci_set_mwi(ha->pdev); + ha->chip_revision = ha->pdev->revision; + ql_dbg(ql_dbg_init, vha, 0x0043, + "Chip revision:%d.\n", + ha->chip_revision); + return 0; +} + +/** + * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers. + * @ha: HA context + * + * Returns 0 on success. + */ +void +qla82xx_reset_chip(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + ha->isp_ops->disable_intrs(ha); +} + +void qla82xx_config_rings(struct scsi_qla_host *vha) +{ + struct qla_hw_data *ha = vha->hw; + struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; + struct init_cb_81xx *icb; + struct req_que *req = ha->req_q_map[0]; + struct rsp_que *rsp = ha->rsp_q_map[0]; + + /* Setup ring parameters in initialization control block. */ + icb = (struct init_cb_81xx *)ha->init_cb; + icb->request_q_outpointer = __constant_cpu_to_le16(0); + icb->response_q_inpointer = __constant_cpu_to_le16(0); + icb->request_q_length = cpu_to_le16(req->length); + icb->response_q_length = cpu_to_le16(rsp->length); + icb->request_q_address[0] = cpu_to_le32(LSD(req->dma)); + icb->request_q_address[1] = cpu_to_le32(MSD(req->dma)); + icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma)); + icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma)); + + WRT_REG_DWORD((unsigned long __iomem *)®->req_q_out[0], 0); + WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_in[0], 0); + WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_out[0], 0); +} + +static int +qla82xx_fw_load_from_blob(struct qla_hw_data *ha) +{ + u64 *ptr64; + u32 i, flashaddr, size; + __le64 data; + + size = (IMAGE_START - BOOTLD_START) / 8; + + ptr64 = (u64 *)qla82xx_get_bootld_offset(ha); + flashaddr = BOOTLD_START; + + for (i = 0; i < size; i++) { + data = cpu_to_le64(ptr64[i]); + if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) + return -EIO; + flashaddr += 8; + } + + flashaddr = FLASH_ADDR_START; + size = (__force u32)qla82xx_get_fw_size(ha) / 8; + ptr64 = (u64 *)qla82xx_get_fw_offs(ha); + + for (i = 0; i < size; i++) { + data = cpu_to_le64(ptr64[i]); + + if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) + return -EIO; + flashaddr += 8; + } + udelay(100); + + /* Write a magic value to CAMRAM register + * at a specified offset to indicate + * that all data is written and + * ready for firmware to initialize. + */ + qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC); + + 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_set_product_offset(struct qla_hw_data *ha) +{ + struct qla82xx_uri_table_desc *ptab_desc = NULL; + const uint8_t *unirom = ha->hablob->fw->data; + uint32_t i; + __le32 entries; + __le32 flags, file_chiprev, offset; + uint8_t chiprev = ha->chip_revision; + /* Hardcoding mn_present flag for P3P */ + int mn_present = 0; + uint32_t flagbit; + + ptab_desc = qla82xx_get_table_desc(unirom, + QLA82XX_URI_DIR_SECT_PRODUCT_TBL); + if (!ptab_desc) + return -1; + + entries = cpu_to_le32(ptab_desc->num_entries); + + for (i = 0; i < entries; i++) { + offset = cpu_to_le32(ptab_desc->findex) + + (i * cpu_to_le32(ptab_desc->entry_size)); + flags = cpu_to_le32(*((int *)&unirom[offset] + + QLA82XX_URI_FLAGS_OFF)); + file_chiprev = cpu_to_le32(*((int *)&unirom[offset] + + QLA82XX_URI_CHIP_REV_OFF)); + + flagbit = mn_present ? 1 : 2; + + if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) { + ha->file_prd_off = offset; + return 0; + } + } + return -1; +} + +static int +qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type) +{ + __le32 val; + uint32_t min_size; + struct qla_hw_data *ha = vha->hw; + const struct firmware *fw = ha->hablob->fw; + + ha->fw_type = fw_type; + + if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) { + if (qla82xx_set_product_offset(ha)) + return -EINVAL; + + min_size = QLA82XX_URI_FW_MIN_SIZE; + } else { + val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]); + if ((__force u32)val != QLA82XX_BDINFO_MAGIC) + return -EINVAL; + + min_size = QLA82XX_FW_MIN_SIZE; + } + + if (fw->size < min_size) + return -EINVAL; + return 0; +} + +static int +qla82xx_check_cmdpeg_state(struct qla_hw_data *ha) +{ + u32 val = 0; + int retries = 60; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + do { + read_lock(&ha->hw_lock); + val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE); + read_unlock(&ha->hw_lock); + + switch (val) { + case PHAN_INITIALIZE_COMPLETE: + case PHAN_INITIALIZE_ACK: + return QLA_SUCCESS; + case PHAN_INITIALIZE_FAILED: + break; + default: + break; + } + ql_log(ql_log_info, vha, 0x00a8, + "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n", + val, retries); + + msleep(500); + + } while (--retries); + + ql_log(ql_log_fatal, vha, 0x00a9, + "Cmd Peg initialization failed: 0x%x.\n", val); + + val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE); + read_lock(&ha->hw_lock); + qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); + read_unlock(&ha->hw_lock); + return QLA_FUNCTION_FAILED; +} + +static int +qla82xx_check_rcvpeg_state(struct qla_hw_data *ha) +{ + u32 val = 0; + int retries = 60; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + do { + read_lock(&ha->hw_lock); + val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE); + read_unlock(&ha->hw_lock); + + switch (val) { + case PHAN_INITIALIZE_COMPLETE: + case PHAN_INITIALIZE_ACK: + return QLA_SUCCESS; + case PHAN_INITIALIZE_FAILED: + break; + default: + break; + } + ql_log(ql_log_info, vha, 0x00ab, + "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n", + val, retries); + + msleep(500); + + } while (--retries); + + ql_log(ql_log_fatal, vha, 0x00ac, + "Rcv Peg initializatin failed: 0x%x.\n", val); + read_lock(&ha->hw_lock); + qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED); + read_unlock(&ha->hw_lock); + return QLA_FUNCTION_FAILED; +} + +/* ISR related functions */ +static struct qla82xx_legacy_intr_set legacy_intr[] = \ + QLA82XX_LEGACY_INTR_CONFIG; + +/* + * qla82xx_mbx_completion() - Process mailbox command completions. + * @ha: SCSI driver HA context + * @mb0: Mailbox0 register + */ +void +qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) +{ + uint16_t cnt; + uint16_t __iomem *wptr; + struct qla_hw_data *ha = vha->hw; + struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; + wptr = (uint16_t __iomem *)®->mailbox_out[1]; + + /* Load return mailbox registers. */ + ha->flags.mbox_int = 1; + ha->mailbox_out[0] = mb0; + + for (cnt = 1; cnt < ha->mbx_count; cnt++) { + ha->mailbox_out[cnt] = RD_REG_WORD(wptr); + wptr++; + } + + if (!ha->mcp) + ql_dbg(ql_dbg_async, vha, 0x5053, + "MBX pointer ERROR.\n"); +} + +/* + * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. + * @irq: + * @dev_id: SCSI driver HA context + * @regs: + * + * Called by system whenever the host adapter generates an interrupt. + * + * Returns handled flag. + */ +irqreturn_t +qla82xx_intr_handler(int irq, void *dev_id) +{ + scsi_qla_host_t *vha; + struct qla_hw_data *ha; + struct rsp_que *rsp; + struct device_reg_82xx __iomem *reg; + int status = 0, status1 = 0; + unsigned long flags; + unsigned long iter; + uint32_t stat = 0; + uint16_t mb[4]; + + rsp = (struct rsp_que *) dev_id; + if (!rsp) { + ql_log(ql_log_info, NULL, 0xb053, + "%s: NULL response queue pointer.\n", __func__); + return IRQ_NONE; + } + ha = rsp->hw; + + if (!ha->flags.msi_enabled) { + status = qla82xx_rd_32(ha, ISR_INT_VECTOR); + if (!(status & ha->nx_legacy_intr.int_vec_bit)) + return IRQ_NONE; + + status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG); + if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1)) + return IRQ_NONE; + } + + /* 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); + + reg = &ha->iobase->isp82; + + spin_lock_irqsave(&ha->hardware_lock, flags); + vha = pci_get_drvdata(ha->pdev); + for (iter = 1; iter--; ) { + + if (RD_REG_DWORD(®->host_int)) { + stat = RD_REG_DWORD(®->host_status); + + switch (stat & 0xff) { + case 0x1: + case 0x2: + case 0x10: + case 0x11: + qla82xx_mbx_completion(vha, MSW(stat)); + status |= MBX_INTERRUPT; + break; + case 0x12: + mb[0] = MSW(stat); + mb[1] = RD_REG_WORD(®->mailbox_out[1]); + mb[2] = RD_REG_WORD(®->mailbox_out[2]); + mb[3] = RD_REG_WORD(®->mailbox_out[3]); + qla2x00_async_event(vha, rsp, mb); + break; + case 0x13: + qla24xx_process_response_queue(vha, rsp); + break; + default: + ql_dbg(ql_dbg_async, vha, 0x5054, + "Unrecognized interrupt type (%d).\n", + stat & 0xff); + break; + } + } + WRT_REG_DWORD(®->host_int, 0); + } + + qla2x00_handle_mbx_completion(ha, status); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + + if (!ha->flags.msi_enabled) + qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); + + return IRQ_HANDLED; +} + +irqreturn_t +qla82xx_msix_default(int irq, void *dev_id) +{ + scsi_qla_host_t *vha; + struct qla_hw_data *ha; + struct rsp_que *rsp; + struct device_reg_82xx __iomem *reg; + int status = 0; + unsigned long flags; + uint32_t stat = 0; + uint32_t host_int = 0; + uint16_t mb[4]; + + rsp = (struct rsp_que *) dev_id; + if (!rsp) { + printk(KERN_INFO + "%s(): NULL response queue pointer.\n", __func__); + return IRQ_NONE; + } + ha = rsp->hw; + + reg = &ha->iobase->isp82; + + spin_lock_irqsave(&ha->hardware_lock, flags); + vha = pci_get_drvdata(ha->pdev); + do { + host_int = RD_REG_DWORD(®->host_int); + if (qla2x00_check_reg32_for_disconnect(vha, host_int)) + break; + if (host_int) { + stat = RD_REG_DWORD(®->host_status); + + switch (stat & 0xff) { + case 0x1: + case 0x2: + case 0x10: + case 0x11: + qla82xx_mbx_completion(vha, MSW(stat)); + status |= MBX_INTERRUPT; + break; + case 0x12: + mb[0] = MSW(stat); + mb[1] = RD_REG_WORD(®->mailbox_out[1]); + mb[2] = RD_REG_WORD(®->mailbox_out[2]); + mb[3] = RD_REG_WORD(®->mailbox_out[3]); + qla2x00_async_event(vha, rsp, mb); + break; + case 0x13: + qla24xx_process_response_queue(vha, rsp); + break; + default: + ql_dbg(ql_dbg_async, vha, 0x5041, + "Unrecognized interrupt type (%d).\n", + stat & 0xff); + break; + } + } + WRT_REG_DWORD(®->host_int, 0); + } while (0); + + qla2x00_handle_mbx_completion(ha, status); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + + return IRQ_HANDLED; +} + +irqreturn_t +qla82xx_msix_rsp_q(int irq, void *dev_id) +{ + scsi_qla_host_t *vha; + struct qla_hw_data *ha; + struct rsp_que *rsp; + struct device_reg_82xx __iomem *reg; + unsigned long flags; + uint32_t host_int = 0; + + rsp = (struct rsp_que *) dev_id; + if (!rsp) { + printk(KERN_INFO + "%s(): NULL response queue pointer.\n", __func__); + return IRQ_NONE; + } + + ha = rsp->hw; + reg = &ha->iobase->isp82; + spin_lock_irqsave(&ha->hardware_lock, flags); + vha = pci_get_drvdata(ha->pdev); + host_int = RD_REG_DWORD(®->host_int); + if (qla2x00_check_reg32_for_disconnect(vha, host_int)) + goto out; + qla24xx_process_response_queue(vha, rsp); + WRT_REG_DWORD(®->host_int, 0); +out: + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return IRQ_HANDLED; +} + +void +qla82xx_poll(int irq, void *dev_id) +{ + scsi_qla_host_t *vha; + struct qla_hw_data *ha; + struct rsp_que *rsp; + struct device_reg_82xx __iomem *reg; + int status = 0; + uint32_t stat; + uint32_t host_int = 0; + uint16_t mb[4]; + unsigned long flags; + + rsp = (struct rsp_que *) dev_id; + if (!rsp) { + printk(KERN_INFO + "%s(): NULL response queue pointer.\n", __func__); + return; + } + ha = rsp->hw; + + reg = &ha->iobase->isp82; + spin_lock_irqsave(&ha->hardware_lock, flags); + vha = pci_get_drvdata(ha->pdev); + + host_int = RD_REG_DWORD(®->host_int); + if (qla2x00_check_reg32_for_disconnect(vha, host_int)) + goto out; + if (host_int) { + stat = RD_REG_DWORD(®->host_status); + switch (stat & 0xff) { + case 0x1: + case 0x2: + case 0x10: + case 0x11: + qla82xx_mbx_completion(vha, MSW(stat)); + status |= MBX_INTERRUPT; + break; + case 0x12: + mb[0] = MSW(stat); + mb[1] = RD_REG_WORD(®->mailbox_out[1]); + mb[2] = RD_REG_WORD(®->mailbox_out[2]); + mb[3] = RD_REG_WORD(®->mailbox_out[3]); + qla2x00_async_event(vha, rsp, mb); + break; + case 0x13: + qla24xx_process_response_queue(vha, rsp); + break; + default: + ql_dbg(ql_dbg_p3p, vha, 0xb013, + "Unrecognized interrupt type (%d).\n", + stat * 0xff); + break; + } + WRT_REG_DWORD(®->host_int, 0); + } +out: + spin_unlock_irqrestore(&ha->hardware_lock, flags); +} + +void +qla82xx_enable_intrs(struct qla_hw_data *ha) +{ + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + qla82xx_mbx_intr_enable(vha); + spin_lock_irq(&ha->hardware_lock); + if (IS_QLA8044(ha)) + qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 0); + else + qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); + spin_unlock_irq(&ha->hardware_lock); + ha->interrupts_on = 1; +} + +void +qla82xx_disable_intrs(struct qla_hw_data *ha) +{ + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + qla82xx_mbx_intr_disable(vha); + spin_lock_irq(&ha->hardware_lock); + if (IS_QLA8044(ha)) + qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 1); + else + qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400); + spin_unlock_irq(&ha->hardware_lock); + ha->interrupts_on = 0; +} + +void qla82xx_init_flags(struct qla_hw_data *ha) +{ + struct qla82xx_legacy_intr_set *nx_legacy_intr; + + /* ISP 8021 initializations */ + rwlock_init(&ha->hw_lock); + ha->qdr_sn_window = -1; + ha->ddr_mn_window = -1; + ha->curr_window = 255; + ha->portnum = PCI_FUNC(ha->pdev->devfn); + nx_legacy_intr = &legacy_intr[ha->portnum]; + 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; +} + +inline void +qla82xx_set_idc_version(scsi_qla_host_t *vha) +{ + int idc_ver; + uint32_t drv_active; + struct qla_hw_data *ha = vha->hw; + + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + if (drv_active == (QLA82XX_DRV_ACTIVE << (ha->portnum * 4))) { + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, + QLA82XX_IDC_VERSION); + ql_log(ql_log_info, vha, 0xb082, + "IDC version updated to %d\n", QLA82XX_IDC_VERSION); + } else { + idc_ver = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_IDC_VERSION); + if (idc_ver != QLA82XX_IDC_VERSION) + ql_log(ql_log_info, vha, 0xb083, + "qla2xxx driver IDC version %d is not compatible " + "with IDC version %d of the other drivers\n", + QLA82XX_IDC_VERSION, idc_ver); + } +} + +inline void +qla82xx_set_drv_active(scsi_qla_host_t *vha) +{ + uint32_t drv_active; + struct qla_hw_data *ha = vha->hw; + + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + + /* If reset value is all FF's, initialize DRV_ACTIVE */ + if (drv_active == 0xffffffff) { + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, + QLA82XX_DRV_NOT_ACTIVE); + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + } + drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); +} + +inline void +qla82xx_clear_drv_active(struct qla_hw_data *ha) +{ + uint32_t drv_active; + + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); +} + +static inline int +qla82xx_need_reset(struct qla_hw_data *ha) +{ + uint32_t drv_state; + int rval; + + if (ha->flags.nic_core_reset_owner) + return 1; + else { + drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); + return rval; + } +} + +static inline void +qla82xx_set_rst_ready(struct qla_hw_data *ha) +{ + uint32_t drv_state; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + + /* If reset value is all FF's, initialize DRV_STATE */ + if (drv_state == 0xffffffff) { + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY); + drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + } + drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); + ql_dbg(ql_dbg_init, vha, 0x00bb, + "drv_state = 0x%08x.\n", drv_state); + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); +} + +static inline void +qla82xx_clear_rst_ready(struct qla_hw_data *ha) +{ + uint32_t drv_state; + + drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); +} + +static inline void +qla82xx_set_qsnt_ready(struct qla_hw_data *ha) +{ + uint32_t qsnt_state; + + qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); +} + +void +qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t qsnt_state; + + qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); +} + +static int +qla82xx_load_fw(scsi_qla_host_t *vha) +{ + int rst; + struct fw_blob *blob; + struct qla_hw_data *ha = vha->hw; + + if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) { + ql_log(ql_log_fatal, vha, 0x009f, + "Error during CRB initialization.\n"); + return QLA_FUNCTION_FAILED; + } + udelay(500); + + /* Bring QM and CAMRAM out of reset */ + rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET); + rst &= ~((1 << 28) | (1 << 24)); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst); + + /* + * FW Load priority: + * 1) Operational firmware residing in flash. + * 2) Firmware via request-firmware interface (.bin file). + */ + if (ql2xfwloadbin == 2) + goto try_blob_fw; + + ql_log(ql_log_info, vha, 0x00a0, + "Attempting to load firmware from flash.\n"); + + if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) { + ql_log(ql_log_info, vha, 0x00a1, + "Firmware loaded successfully from flash.\n"); + return QLA_SUCCESS; + } else { + ql_log(ql_log_warn, vha, 0x0108, + "Firmware load from flash failed.\n"); + } + +try_blob_fw: + ql_log(ql_log_info, vha, 0x00a2, + "Attempting to load firmware from blob.\n"); + + /* Load firmware blob. */ + blob = ha->hablob = qla2x00_request_firmware(vha); + if (!blob) { + ql_log(ql_log_fatal, vha, 0x00a3, + "Firmware image not present.\n"); + goto fw_load_failed; + } + + /* Validating firmware blob */ + if (qla82xx_validate_firmware_blob(vha, + QLA82XX_FLASH_ROMIMAGE)) { + /* Fallback to URI format */ + if (qla82xx_validate_firmware_blob(vha, + QLA82XX_UNIFIED_ROMIMAGE)) { + ql_log(ql_log_fatal, vha, 0x00a4, + "No valid firmware image found.\n"); + return QLA_FUNCTION_FAILED; + } + } + + if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) { + ql_log(ql_log_info, vha, 0x00a5, + "Firmware loaded successfully from binary blob.\n"); + return QLA_SUCCESS; + } else { + ql_log(ql_log_fatal, vha, 0x00a6, + "Firmware load failed for binary blob.\n"); + blob->fw = NULL; + blob = NULL; + goto fw_load_failed; + } + return QLA_SUCCESS; + +fw_load_failed: + return QLA_FUNCTION_FAILED; +} + +int +qla82xx_start_firmware(scsi_qla_host_t *vha) +{ + uint16_t lnk; + struct qla_hw_data *ha = vha->hw; + + /* scrub dma mask expansion register */ + qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE); + + /* Put both the PEG CMD and RCV PEG to default state + * of 0 before resetting the hardware + */ + qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); + qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0); + + /* Overwrite stale initialization register values */ + qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0); + qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0); + + if (qla82xx_load_fw(vha) != QLA_SUCCESS) { + ql_log(ql_log_fatal, vha, 0x00a7, + "Error trying to start fw.\n"); + return QLA_FUNCTION_FAILED; + } + + /* Handshake with the card before we register the devices. */ + if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) { + ql_log(ql_log_fatal, vha, 0x00aa, + "Error during card handshake.\n"); + return QLA_FUNCTION_FAILED; + } + + /* Negotiated Link width */ + pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk); + ha->link_width = (lnk >> 4) & 0x3f; + + /* Synchronize with Receive peg */ + return qla82xx_check_rcvpeg_state(ha); +} + +static uint32_t * +qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, + uint32_t length) +{ + uint32_t i; + uint32_t val; + struct qla_hw_data *ha = vha->hw; + + /* Dword reads to flash. */ + for (i = 0; i < length/4; i++, faddr += 4) { + if (qla82xx_rom_fast_read(ha, faddr, &val)) { + ql_log(ql_log_warn, vha, 0x0106, + "Do ROM fast read failed.\n"); + goto done_read; + } + dwptr[i] = __constant_cpu_to_le32(val); + } +done_read: + return dwptr; +} + +static int +qla82xx_unprotect_flash(struct qla_hw_data *ha) +{ + int ret; + uint32_t val; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + ret = ql82xx_rom_lock_d(ha); + if (ret < 0) { + ql_log(ql_log_warn, vha, 0xb014, + "ROM Lock failed.\n"); + return ret; + } + + ret = qla82xx_read_status_reg(ha, &val); + if (ret < 0) + goto done_unprotect; + + val &= ~(BLOCK_PROTECT_BITS << 2); + ret = qla82xx_write_status_reg(ha, val); + if (ret < 0) { + val |= (BLOCK_PROTECT_BITS << 2); + qla82xx_write_status_reg(ha, val); + } + + if (qla82xx_write_disable_flash(ha) != 0) + ql_log(ql_log_warn, vha, 0xb015, + "Write disable failed.\n"); + +done_unprotect: + qla82xx_rom_unlock(ha); + return ret; +} + +static int +qla82xx_protect_flash(struct qla_hw_data *ha) +{ + int ret; + uint32_t val; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + ret = ql82xx_rom_lock_d(ha); + if (ret < 0) { + ql_log(ql_log_warn, vha, 0xb016, + "ROM Lock failed.\n"); + return ret; + } + + ret = qla82xx_read_status_reg(ha, &val); + if (ret < 0) + goto done_protect; + + val |= (BLOCK_PROTECT_BITS << 2); + /* LOCK all sectors */ + ret = qla82xx_write_status_reg(ha, val); + if (ret < 0) + ql_log(ql_log_warn, vha, 0xb017, + "Write status register failed.\n"); + + if (qla82xx_write_disable_flash(ha) != 0) + ql_log(ql_log_warn, vha, 0xb018, + "Write disable failed.\n"); +done_protect: + qla82xx_rom_unlock(ha); + return ret; +} + +static int +qla82xx_erase_sector(struct qla_hw_data *ha, int addr) +{ + int ret = 0; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + + ret = ql82xx_rom_lock_d(ha); + if (ret < 0) { + ql_log(ql_log_warn, vha, 0xb019, + "ROM Lock failed.\n"); + return ret; + } + + qla82xx_flash_set_write_enable(ha); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); + qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE); + + if (qla82xx_wait_rom_done(ha)) { + ql_log(ql_log_warn, vha, 0xb01a, + "Error waiting for rom done.\n"); + ret = -1; + goto done; + } + ret = qla82xx_flash_wait_write_finish(ha); +done: + qla82xx_rom_unlock(ha); + return ret; +} + +/* + * Address and length are byte address + */ +uint8_t * +qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, + uint32_t offset, uint32_t length) +{ + scsi_block_requests(vha->host); + qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length); + scsi_unblock_requests(vha->host); + return buf; +} + +static int +qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr, + uint32_t faddr, uint32_t dwords) +{ + int ret; + uint32_t liter; + uint32_t sec_mask, rest_addr; + dma_addr_t optrom_dma; + void *optrom = NULL; + int page_mode = 0; + struct qla_hw_data *ha = vha->hw; + + ret = -1; + + /* Prepare burst-capable write on supported ISPs. */ + if (page_mode && !(faddr & 0xfff) && + dwords > OPTROM_BURST_DWORDS) { + optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, + &optrom_dma, GFP_KERNEL); + if (!optrom) { + ql_log(ql_log_warn, vha, 0xb01b, + "Unable to allocate memory " + "for optrom burst write (%x KB).\n", + OPTROM_BURST_SIZE / 1024); + } + } + + rest_addr = ha->fdt_block_size - 1; + sec_mask = ~rest_addr; + + ret = qla82xx_unprotect_flash(ha); + if (ret) { + ql_log(ql_log_warn, vha, 0xb01c, + "Unable to unprotect flash for update.\n"); + goto write_done; + } + + for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) { + /* Are we at the beginning of a sector? */ + if ((faddr & rest_addr) == 0) { + + ret = qla82xx_erase_sector(ha, faddr); + if (ret) { + ql_log(ql_log_warn, vha, 0xb01d, + "Unable to erase sector: address=%x.\n", + faddr); + break; + } + } + + /* Go with burst-write. */ + if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) { + /* Copy data to DMA'ble buffer. */ + memcpy(optrom, dwptr, OPTROM_BURST_SIZE); + + ret = qla2x00_load_ram(vha, optrom_dma, + (ha->flash_data_off | faddr), + OPTROM_BURST_DWORDS); + if (ret != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0xb01e, + "Unable to burst-write optrom segment " + "(%x/%x/%llx).\n", ret, + (ha->flash_data_off | faddr), + (unsigned long long)optrom_dma); + ql_log(ql_log_warn, vha, 0xb01f, + "Reverting to slow-write.\n"); + + dma_free_coherent(&ha->pdev->dev, + OPTROM_BURST_SIZE, optrom, optrom_dma); + optrom = NULL; + } else { + liter += OPTROM_BURST_DWORDS - 1; + faddr += OPTROM_BURST_DWORDS - 1; + dwptr += OPTROM_BURST_DWORDS - 1; + continue; + } + } + + ret = qla82xx_write_flash_dword(ha, faddr, + cpu_to_le32(*dwptr)); + if (ret) { + ql_dbg(ql_dbg_p3p, vha, 0xb020, + "Unable to program flash address=%x data=%x.\n", + faddr, *dwptr); + break; + } + } + + ret = qla82xx_protect_flash(ha); + if (ret) + ql_log(ql_log_warn, vha, 0xb021, + "Unable to protect flash after update.\n"); +write_done: + if (optrom) + dma_free_coherent(&ha->pdev->dev, + OPTROM_BURST_SIZE, optrom, optrom_dma); + return ret; +} + +int +qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, + uint32_t offset, uint32_t length) +{ + int rval; + + /* Suspend HBA. */ + scsi_block_requests(vha->host); + rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset, + length >> 2); + scsi_unblock_requests(vha->host); + + /* Convert return ISP82xx to generic */ + if (rval) + rval = QLA_FUNCTION_FAILED; + else + rval = QLA_SUCCESS; + return rval; +} + +void +qla82xx_start_iocbs(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + struct req_que *req = ha->req_q_map[0]; + struct device_reg_82xx __iomem *reg; + uint32_t dbval; + + /* Adjust ring index. */ + req->ring_index++; + if (req->ring_index == req->length) { + req->ring_index = 0; + req->ring_ptr = req->ring; + } else + req->ring_ptr++; + + reg = &ha->iobase->isp82; + dbval = 0x04 | (ha->portnum << 5); + + dbval = dbval | (req->id << 8) | (req->ring_index << 16); + if (ql2xdbwr) + qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); + else { + WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval); + wmb(); + while (RD_REG_DWORD((void __iomem *)ha->nxdb_rd_ptr) != dbval) { + WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, + dbval); + wmb(); + } + } +} + +static void +qla82xx_rom_lock_recovery(struct qla_hw_data *ha) +{ + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + uint32_t lock_owner = 0; + + if (qla82xx_rom_lock(ha)) { + lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID); + /* Someone else is holding the lock. */ + ql_log(ql_log_info, vha, 0xb022, + "Resetting rom_lock, Lock Owner %u.\n", lock_owner); + } + /* + * Either we got the lock, or someone + * else died while holding it. + * In either case, unlock. + */ + qla82xx_rom_unlock(ha); +} + +/* + * qla82xx_device_bootstrap + * Initialize device, set DEV_READY, start fw + * + * Note: + * IDC lock must be held upon entry + * + * Return: + * Success : 0 + * Failed : 1 + */ +static int +qla82xx_device_bootstrap(scsi_qla_host_t *vha) +{ + int rval = QLA_SUCCESS; + int i; + uint32_t old_count, count; + struct qla_hw_data *ha = vha->hw; + int need_reset = 0; + + need_reset = qla82xx_need_reset(ha); + + if (need_reset) { + /* We are trying to perform a recovery here. */ + if (ha->flags.isp82xx_fw_hung) + qla82xx_rom_lock_recovery(ha); + } else { + old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); + for (i = 0; i < 10; i++) { + msleep(200); + count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); + if (count != old_count) { + rval = QLA_SUCCESS; + goto dev_ready; + } + } + qla82xx_rom_lock_recovery(ha); + } + + /* set to DEV_INITIALIZING */ + ql_log(ql_log_info, vha, 0x009e, + "HW State: INITIALIZING.\n"); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_INITIALIZING); + + qla82xx_idc_unlock(ha); + rval = qla82xx_start_firmware(vha); + qla82xx_idc_lock(ha); + + if (rval != QLA_SUCCESS) { + ql_log(ql_log_fatal, vha, 0x00ad, + "HW State: FAILED.\n"); + qla82xx_clear_drv_active(ha); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED); + return rval; + } + +dev_ready: + ql_log(ql_log_info, vha, 0x00ae, + "HW State: READY.\n"); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_READY); + + return QLA_SUCCESS; +} + +/* +* qla82xx_need_qsnt_handler +* Code to start quiescence sequence +* +* Note: +* IDC lock must be held upon entry +* +* Return: void +*/ + +static void +qla82xx_need_qsnt_handler(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t dev_state, drv_state, drv_active; + unsigned long reset_timeout; + + if (vha->flags.online) { + /*Block any further I/O and wait for pending cmnds to complete*/ + qla2x00_quiesce_io(vha); + } + + /* Set the quiescence ready bit */ + qla82xx_set_qsnt_ready(ha); + + /*wait for 30 secs for other functions to ack */ + reset_timeout = jiffies + (30 * HZ); + + drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + /* Its 2 that is written when qsnt is acked, moving one bit */ + drv_active = drv_active << 0x01; + + while (drv_state != drv_active) { + + if (time_after_eq(jiffies, reset_timeout)) { + /* quiescence timeout, other functions didn't ack + * changing the state to DEV_READY + */ + ql_log(ql_log_info, vha, 0xb023, + "%s : QUIESCENT TIMEOUT DRV_ACTIVE:%d " + "DRV_STATE:%d.\n", QLA2XXX_DRIVER_NAME, + drv_active, drv_state); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, + QLA8XXX_DEV_READY); + ql_log(ql_log_info, vha, 0xb025, + "HW State: DEV_READY.\n"); + qla82xx_idc_unlock(ha); + qla2x00_perform_loop_resync(vha); + qla82xx_idc_lock(ha); + + qla82xx_clear_qsnt_ready(vha); + return; + } + + 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); + drv_active = drv_active << 0x01; + } + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + /* everyone acked so set the state to DEV_QUIESCENCE */ + if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT) { + ql_log(ql_log_info, vha, 0xb026, + "HW State: DEV_QUIESCENT.\n"); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_QUIESCENT); + } +} + +/* +* qla82xx_wait_for_state_change +* Wait for device state to change from given current state +* +* Note: +* IDC lock must not be held upon entry +* +* Return: +* Changed device state. +*/ +uint32_t +qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t dev_state; + + do { + msleep(1000); + qla82xx_idc_lock(ha); + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + qla82xx_idc_unlock(ha); + } while (dev_state == curr_state); + + return dev_state; +} + +void +qla8xxx_dev_failed_handler(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + + /* Disable the board */ + ql_log(ql_log_fatal, vha, 0x00b8, + "Disabling the board.\n"); + + if (IS_QLA82XX(ha)) { + qla82xx_clear_drv_active(ha); + qla82xx_idc_unlock(ha); + } else if (IS_QLA8044(ha)) { + qla8044_clear_drv_active(ha); + qla8044_idc_unlock(ha); + } + + /* Set DEV_FAILED flag to disable timer */ + vha->device_flags |= DFLG_DEV_FAILED; + qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); + qla2x00_mark_all_devices_lost(vha, 0); + vha->flags.online = 0; + vha->flags.init_done = 0; +} + +/* + * qla82xx_need_reset_handler + * Code to start reset sequence + * + * Note: + * IDC lock must be held upon entry + * + * Return: + * Success : 0 + * Failed : 1 + */ +static void +qla82xx_need_reset_handler(scsi_qla_host_t *vha) +{ + uint32_t dev_state, drv_state, drv_active; + uint32_t active_mask = 0; + unsigned long reset_timeout; + struct qla_hw_data *ha = vha->hw; + struct req_que *req = ha->req_q_map[0]; + + if (vha->flags.online) { + qla82xx_idc_unlock(ha); + qla2x00_abort_isp_cleanup(vha); + ha->isp_ops->get_flash_version(vha, req->ring); + ha->isp_ops->nvram_config(vha); + qla82xx_idc_lock(ha); + } + + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + if (!ha->flags.nic_core_reset_owner) { + ql_dbg(ql_dbg_p3p, vha, 0xb028, + "reset_acknowledged by 0x%x\n", ha->portnum); + qla82xx_set_rst_ready(ha); + } else { + active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); + drv_active &= active_mask; + ql_dbg(ql_dbg_p3p, vha, 0xb029, + "active_mask: 0x%08x\n", active_mask); + } + + /* wait for 10 seconds for reset ack from all functions */ + reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ); + + 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); + + ql_dbg(ql_dbg_p3p, vha, 0xb02a, + "drv_state: 0x%08x, drv_active: 0x%08x, " + "dev_state: 0x%08x, active_mask: 0x%08x\n", + drv_state, drv_active, dev_state, active_mask); + + while (drv_state != drv_active && + dev_state != QLA8XXX_DEV_INITIALIZING) { + if (time_after_eq(jiffies, reset_timeout)) { + ql_log(ql_log_warn, vha, 0x00b5, + "Reset timeout.\n"); + 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); + if (ha->flags.nic_core_reset_owner) + drv_active &= active_mask; + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + } + + ql_dbg(ql_dbg_p3p, vha, 0xb02b, + "drv_state: 0x%08x, drv_active: 0x%08x, " + "dev_state: 0x%08x, active_mask: 0x%08x\n", + drv_state, drv_active, dev_state, active_mask); + + ql_log(ql_log_info, vha, 0x00b6, + "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 != QLA8XXX_DEV_INITIALIZING && + dev_state != QLA8XXX_DEV_COLD) { + ql_log(ql_log_info, vha, 0x00b7, + "HW State: COLD/RE-INIT.\n"); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD); + qla82xx_set_rst_ready(ha); + if (ql2xmdenable) { + if (qla82xx_md_collect(vha)) + ql_log(ql_log_warn, vha, 0xb02c, + "Minidump not collected.\n"); + } else + ql_log(ql_log_warn, vha, 0xb04f, + "Minidump disabled.\n"); + } +} + +int +qla82xx_check_md_needed(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint16_t fw_major_version, fw_minor_version, fw_subminor_version; + int rval = QLA_SUCCESS; + + fw_major_version = ha->fw_major_version; + fw_minor_version = ha->fw_minor_version; + fw_subminor_version = ha->fw_subminor_version; + + rval = qla2x00_get_fw_version(vha); + if (rval != QLA_SUCCESS) + return rval; + + if (ql2xmdenable) { + if (!ha->fw_dumped) { + if ((fw_major_version != ha->fw_major_version || + fw_minor_version != ha->fw_minor_version || + fw_subminor_version != ha->fw_subminor_version) || + (ha->prev_minidump_failed)) { + ql_dbg(ql_dbg_p3p, vha, 0xb02d, + "Firmware version differs Previous version: %d:%d:%d - New version: %d:%d:%d, prev_minidump_failed: %d.\n", + fw_major_version, fw_minor_version, + fw_subminor_version, + ha->fw_major_version, + ha->fw_minor_version, + ha->fw_subminor_version, + ha->prev_minidump_failed); + /* Release MiniDump resources */ + qla82xx_md_free(vha); + /* ALlocate MiniDump resources */ + qla82xx_md_prep(vha); + } + } else + ql_log(ql_log_info, vha, 0xb02e, + "Firmware dump available to retrieve\n"); + } + return rval; +} + + +static int +qla82xx_check_fw_alive(scsi_qla_host_t *vha) +{ + uint32_t fw_heartbeat_counter; + int status = 0; + + fw_heartbeat_counter = qla82xx_rd_32(vha->hw, + QLA82XX_PEG_ALIVE_COUNTER); + /* all 0xff, assume AER/EEH in progress, ignore */ + if (fw_heartbeat_counter == 0xffffffff) { + ql_dbg(ql_dbg_timer, vha, 0x6003, + "FW heartbeat counter is 0xffffffff, " + "returning status=%d.\n", status); + return status; + } + if (vha->fw_heartbeat_counter == fw_heartbeat_counter) { + vha->seconds_since_last_heartbeat++; + /* FW not alive after 2 seconds */ + if (vha->seconds_since_last_heartbeat == 2) { + vha->seconds_since_last_heartbeat = 0; + status = 1; + } + } else + vha->seconds_since_last_heartbeat = 0; + vha->fw_heartbeat_counter = fw_heartbeat_counter; + if (status) + ql_dbg(ql_dbg_timer, vha, 0x6004, + "Returning status=%d.\n", status); + return status; +} + +/* + * qla82xx_device_state_handler + * Main state handler + * + * Note: + * IDC lock must be held upon entry + * + * Return: + * Success : 0 + * Failed : 1 + */ +int +qla82xx_device_state_handler(scsi_qla_host_t *vha) +{ + uint32_t dev_state; + uint32_t old_dev_state; + int rval = QLA_SUCCESS; + unsigned long dev_init_timeout; + struct qla_hw_data *ha = vha->hw; + int loopcount = 0; + + qla82xx_idc_lock(ha); + if (!vha->flags.init_done) { + qla82xx_set_drv_active(vha); + qla82xx_set_idc_version(vha); + } + + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + old_dev_state = dev_state; + ql_log(ql_log_info, vha, 0x009b, + "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->fcoe_dev_init_timeout * HZ); + + while (1) { + + if (time_after_eq(jiffies, dev_init_timeout)) { + ql_log(ql_log_fatal, vha, 0x009c, + "Device init failed.\n"); + rval = QLA_FUNCTION_FAILED; + break; + } + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + if (old_dev_state != dev_state) { + loopcount = 0; + old_dev_state = dev_state; + } + if (loopcount < 5) { + ql_log(ql_log_info, vha, 0x009d, + "Device state is 0x%x = %s.\n", + dev_state, + dev_state < MAX_STATES ? qdev_state(dev_state) : + "Unknown"); + } + + switch (dev_state) { + case QLA8XXX_DEV_READY: + ha->flags.nic_core_reset_owner = 0; + goto rel_lock; + case QLA8XXX_DEV_COLD: + rval = qla82xx_device_bootstrap(vha); + break; + case QLA8XXX_DEV_INITIALIZING: + qla82xx_idc_unlock(ha); + msleep(1000); + qla82xx_idc_lock(ha); + break; + case QLA8XXX_DEV_NEED_RESET: + if (!ql2xdontresethba) + qla82xx_need_reset_handler(vha); + else { + qla82xx_idc_unlock(ha); + msleep(1000); + qla82xx_idc_lock(ha); + } + dev_init_timeout = jiffies + + (ha->fcoe_dev_init_timeout * HZ); + break; + case QLA8XXX_DEV_NEED_QUIESCENT: + qla82xx_need_qsnt_handler(vha); + /* Reset timeout value after quiescence handler */ + dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout\ + * HZ); + break; + case QLA8XXX_DEV_QUIESCENT: + /* Owner will exit and other will wait for the state + * to get changed + */ + if (ha->flags.quiesce_owner) + goto rel_lock; + + qla82xx_idc_unlock(ha); + msleep(1000); + qla82xx_idc_lock(ha); + + /* Reset timeout value after quiescence handler */ + dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout\ + * HZ); + break; + case QLA8XXX_DEV_FAILED: + qla8xxx_dev_failed_handler(vha); + rval = QLA_FUNCTION_FAILED; + goto exit; + default: + qla82xx_idc_unlock(ha); + msleep(1000); + qla82xx_idc_lock(ha); + } + loopcount++; + } +rel_lock: + qla82xx_idc_unlock(ha); +exit: + return rval; +} + +static int qla82xx_check_temp(scsi_qla_host_t *vha) +{ + uint32_t temp, temp_state, temp_val; + struct qla_hw_data *ha = vha->hw; + + temp = qla82xx_rd_32(ha, CRB_TEMP_STATE); + temp_state = qla82xx_get_temp_state(temp); + temp_val = qla82xx_get_temp_val(temp); + + if (temp_state == QLA82XX_TEMP_PANIC) { + ql_log(ql_log_warn, vha, 0x600e, + "Device temperature %d degrees C exceeds " + " maximum allowed. Hardware has been shut down.\n", + temp_val); + return 1; + } else if (temp_state == QLA82XX_TEMP_WARN) { + ql_log(ql_log_warn, vha, 0x600f, + "Device temperature %d degrees C exceeds " + "operating range. Immediate action needed.\n", + temp_val); + } + return 0; +} + +int qla82xx_read_temperature(scsi_qla_host_t *vha) +{ + uint32_t temp; + + temp = qla82xx_rd_32(vha->hw, CRB_TEMP_STATE); + return qla82xx_get_temp_val(temp); +} + +void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + + if (ha->flags.mbox_busy) { + ha->flags.mbox_int = 1; + ha->flags.mbox_busy = 0; + ql_log(ql_log_warn, vha, 0x6010, + "Doing premature completion of mbx command.\n"); + if (test_and_clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags)) + complete(&ha->mbx_intr_comp); + } +} + +void qla82xx_watchdog(scsi_qla_host_t *vha) +{ + uint32_t dev_state, halt_status; + struct qla_hw_data *ha = vha->hw; + + /* don't poll if reset is going on */ + if (!ha->flags.nic_core_reset_hdlr_active) { + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + if (qla82xx_check_temp(vha)) { + set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags); + ha->flags.isp82xx_fw_hung = 1; + qla82xx_clear_pending_mbx(vha); + } else if (dev_state == QLA8XXX_DEV_NEED_RESET && + !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) { + ql_log(ql_log_warn, vha, 0x6001, + "Adapter reset needed.\n"); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && + !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) { + ql_log(ql_log_warn, vha, 0x6002, + "Quiescent needed.\n"); + set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); + } else if (dev_state == QLA8XXX_DEV_FAILED && + !test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) && + vha->flags.online == 1) { + ql_log(ql_log_warn, vha, 0xb055, + "Adapter state is failed. Offlining.\n"); + set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags); + ha->flags.isp82xx_fw_hung = 1; + qla82xx_clear_pending_mbx(vha); + } else { + if (qla82xx_check_fw_alive(vha)) { + ql_dbg(ql_dbg_timer, vha, 0x6011, + "disabling pause transmit on port 0 & 1.\n"); + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, + CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1); + halt_status = qla82xx_rd_32(ha, + QLA82XX_PEG_HALT_STATUS1); + ql_log(ql_log_info, vha, 0x6005, + "dumping hw/fw registers:.\n " + " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n " + " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n " + " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n " + " PEG_NET_4_PC: 0x%x.\n", halt_status, + qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2), + qla82xx_rd_32(ha, + QLA82XX_CRB_PEG_NET_0 + 0x3c), + qla82xx_rd_32(ha, + QLA82XX_CRB_PEG_NET_1 + 0x3c), + qla82xx_rd_32(ha, + QLA82XX_CRB_PEG_NET_2 + 0x3c), + qla82xx_rd_32(ha, + QLA82XX_CRB_PEG_NET_3 + 0x3c), + qla82xx_rd_32(ha, + QLA82XX_CRB_PEG_NET_4 + 0x3c)); + if (((halt_status & 0x1fffff00) >> 8) == 0x67) + ql_log(ql_log_warn, vha, 0xb052, + "Firmware aborted with " + "error code 0x00006700. Device is " + "being reset.\n"); + if (halt_status & HALT_STATUS_UNRECOVERABLE) { + set_bit(ISP_UNRECOVERABLE, + &vha->dpc_flags); + } else { + ql_log(ql_log_info, vha, 0x6006, + "Detect abort needed.\n"); + set_bit(ISP_ABORT_NEEDED, + &vha->dpc_flags); + } + ha->flags.isp82xx_fw_hung = 1; + ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n"); + qla82xx_clear_pending_mbx(vha); + } + } + } +} + +int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) +{ + int rval = -1; + struct qla_hw_data *ha = vha->hw; + + if (IS_QLA82XX(ha)) + rval = qla82xx_device_state_handler(vha); + else if (IS_QLA8044(ha)) { + qla8044_idc_lock(ha); + /* Decide the reset ownership */ + qla83xx_reset_ownership(vha); + qla8044_idc_unlock(ha); + rval = qla8044_device_state_handler(vha); + } + return rval; +} + +void +qla82xx_set_reset_owner(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t dev_state = 0; + + if (IS_QLA82XX(ha)) + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + else if (IS_QLA8044(ha)) + dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX); + + if (dev_state == QLA8XXX_DEV_READY) { + ql_log(ql_log_info, vha, 0xb02f, + "HW State: NEED RESET\n"); + if (IS_QLA82XX(ha)) { + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, + QLA8XXX_DEV_NEED_RESET); + ha->flags.nic_core_reset_owner = 1; + ql_dbg(ql_dbg_p3p, vha, 0xb030, + "reset_owner is 0x%x\n", ha->portnum); + } else if (IS_QLA8044(ha)) + qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX, + QLA8XXX_DEV_NEED_RESET); + } else + ql_log(ql_log_info, vha, 0xb031, + "Device state is 0x%x = %s.\n", + dev_state, + dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); +} + +/* + * qla82xx_abort_isp + * Resets ISP and aborts all outstanding commands. + * + * Input: + * ha = adapter block pointer. + * + * Returns: + * 0 = success + */ +int +qla82xx_abort_isp(scsi_qla_host_t *vha) +{ + int rval = -1; + struct qla_hw_data *ha = vha->hw; + + if (vha->device_flags & DFLG_DEV_FAILED) { + ql_log(ql_log_warn, vha, 0x8024, + "Device in failed state, exiting.\n"); + return QLA_SUCCESS; + } + ha->flags.nic_core_reset_hdlr_active = 1; + + qla82xx_idc_lock(ha); + qla82xx_set_reset_owner(vha); + qla82xx_idc_unlock(ha); + + if (IS_QLA82XX(ha)) + rval = qla82xx_device_state_handler(vha); + else if (IS_QLA8044(ha)) { + qla8044_idc_lock(ha); + /* Decide the reset ownership */ + qla83xx_reset_ownership(vha); + qla8044_idc_unlock(ha); + rval = qla8044_device_state_handler(vha); + } + + qla82xx_idc_lock(ha); + qla82xx_clear_rst_ready(ha); + qla82xx_idc_unlock(ha); + + if (rval == QLA_SUCCESS) { + ha->flags.isp82xx_fw_hung = 0; + ha->flags.nic_core_reset_hdlr_active = 0; + qla82xx_restart_isp(vha); + } + + if (rval) { + vha->flags.online = 1; + if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { + if (ha->isp_abort_cnt == 0) { + ql_log(ql_log_warn, vha, 0x8027, + "ISP error recover failed - board " + "disabled.\n"); + /* + * The next call disables the board + * completely. + */ + ha->isp_ops->reset_adapter(vha); + vha->flags.online = 0; + clear_bit(ISP_ABORT_RETRY, + &vha->dpc_flags); + rval = QLA_SUCCESS; + } else { /* schedule another ISP abort */ + ha->isp_abort_cnt--; + ql_log(ql_log_warn, vha, 0x8036, + "ISP abort - retry remaining %d.\n", + ha->isp_abort_cnt); + rval = QLA_FUNCTION_FAILED; + } + } else { + ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; + ql_dbg(ql_dbg_taskm, vha, 0x8029, + "ISP error recovery - retrying (%d) more times.\n", + ha->isp_abort_cnt); + set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); + rval = QLA_FUNCTION_FAILED; + } + } + return rval; +} + +/* + * qla82xx_fcoe_ctx_reset + * Perform a quick reset and aborts all outstanding commands. + * This will only perform an FCoE context reset and avoids a full blown + * chip reset. + * + * Input: + * ha = adapter block pointer. + * is_reset_path = flag for identifying the reset path. + * + * Returns: + * 0 = success + */ +int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha) +{ + int rval = QLA_FUNCTION_FAILED; + + if (vha->flags.online) { + /* Abort all outstanding commands, so as to be requeued later */ + qla2x00_abort_isp_cleanup(vha); + } + + /* Stop currently executing firmware. + * This will destroy existing FCoE context at the F/W end. + */ + qla2x00_try_to_stop_firmware(vha); + + /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */ + rval = qla82xx_restart_isp(vha); + + return rval; +} + +/* + * qla2x00_wait_for_fcoe_ctx_reset + * Wait till the FCoE context is reset. + * + * Note: + * Does context switching here. + * Release SPIN_LOCK (if any) before calling this routine. + * + * Return: + * Success (fcoe_ctx reset is done) : 0 + * Failed (fcoe_ctx reset not completed within max loop timout ) : 1 + */ +int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha) +{ + int status = QLA_FUNCTION_FAILED; + unsigned long wait_reset; + + wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); + while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || + test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) + && time_before(jiffies, wait_reset)) { + + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(HZ); + + if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) && + !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { + status = QLA_SUCCESS; + break; + } + } + ql_dbg(ql_dbg_p3p, vha, 0xb027, + "%s: status=%d.\n", __func__, status); + + return status; +} + +void +qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) +{ + int i, fw_state = 0; + unsigned long flags; + struct qla_hw_data *ha = vha->hw; + + /* Check if 82XX firmware is alive or not + * We may have arrived here from NEED_RESET + * detection only + */ + if (!ha->flags.isp82xx_fw_hung) { + for (i = 0; i < 2; i++) { + msleep(1000); + if (IS_QLA82XX(ha)) + fw_state = qla82xx_check_fw_alive(vha); + else if (IS_QLA8044(ha)) + fw_state = qla8044_check_fw_alive(vha); + if (fw_state) { + ha->flags.isp82xx_fw_hung = 1; + qla82xx_clear_pending_mbx(vha); + break; + } + } + } + ql_dbg(ql_dbg_init, vha, 0x00b0, + "Entered %s fw_hung=%d.\n", + __func__, ha->flags.isp82xx_fw_hung); + + /* Abort all commands gracefully if fw NOT hung */ + if (!ha->flags.isp82xx_fw_hung) { + int cnt, que; + srb_t *sp; + struct req_que *req; + + spin_lock_irqsave(&ha->hardware_lock, flags); + for (que = 0; que < ha->max_req_queues; que++) { + req = ha->req_q_map[que]; + if (!req) + continue; + for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { + sp = req->outstanding_cmds[cnt]; + if (sp) { + if ((!sp->u.scmd.ctx || + (sp->flags & + SRB_FCP_CMND_DMA_VALID)) && + !ha->flags.isp82xx_fw_hung) { + spin_unlock_irqrestore( + &ha->hardware_lock, flags); + if (ha->isp_ops->abort_command(sp)) { + ql_log(ql_log_info, vha, + 0x00b1, + "mbx abort failed.\n"); + } else { + ql_log(ql_log_info, vha, + 0x00b2, + "mbx abort success.\n"); + } + spin_lock_irqsave(&ha->hardware_lock, flags); + } + } + } + } + spin_unlock_irqrestore(&ha->hardware_lock, flags); + + /* Wait for pending cmds (physical and virtual) to complete */ + if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0, + WAIT_HOST) == QLA_SUCCESS) { + ql_dbg(ql_dbg_init, vha, 0x00b3, + "Done wait for " + "pending commands.\n"); + } + } +} + +/* Minidump related functions */ +static int +qla82xx_minidump_process_control(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + struct qla82xx_md_entry_crb *crb_entry; + uint32_t read_value, opcode, poll_time; + uint32_t addr, index, crb_addr; + unsigned long wtime; + struct qla82xx_md_template_hdr *tmplt_hdr; + uint32_t rval = QLA_SUCCESS; + int i; + + tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; + crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr; + crb_addr = crb_entry->addr; + + for (i = 0; i < crb_entry->op_count; i++) { + opcode = crb_entry->crb_ctrl.opcode; + if (opcode & QLA82XX_DBG_OPCODE_WR) { + qla82xx_md_rw_32(ha, crb_addr, + crb_entry->value_1, 1); + opcode &= ~QLA82XX_DBG_OPCODE_WR; + } + + if (opcode & QLA82XX_DBG_OPCODE_RW) { + read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); + qla82xx_md_rw_32(ha, crb_addr, read_value, 1); + opcode &= ~QLA82XX_DBG_OPCODE_RW; + } + + if (opcode & QLA82XX_DBG_OPCODE_AND) { + read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); + read_value &= crb_entry->value_2; + opcode &= ~QLA82XX_DBG_OPCODE_AND; + if (opcode & QLA82XX_DBG_OPCODE_OR) { + read_value |= crb_entry->value_3; + opcode &= ~QLA82XX_DBG_OPCODE_OR; + } + qla82xx_md_rw_32(ha, crb_addr, read_value, 1); + } + + if (opcode & QLA82XX_DBG_OPCODE_OR) { + read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); + read_value |= crb_entry->value_3; + qla82xx_md_rw_32(ha, crb_addr, read_value, 1); + opcode &= ~QLA82XX_DBG_OPCODE_OR; + } + + if (opcode & QLA82XX_DBG_OPCODE_POLL) { + poll_time = crb_entry->crb_strd.poll_timeout; + wtime = jiffies + poll_time; + read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); + + do { + if ((read_value & crb_entry->value_2) + == crb_entry->value_1) + break; + else if (time_after_eq(jiffies, wtime)) { + /* capturing dump failed */ + rval = QLA_FUNCTION_FAILED; + break; + } else + read_value = qla82xx_md_rw_32(ha, + crb_addr, 0, 0); + } while (1); + opcode &= ~QLA82XX_DBG_OPCODE_POLL; + } + + if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) { + if (crb_entry->crb_strd.state_index_a) { + index = crb_entry->crb_strd.state_index_a; + addr = tmplt_hdr->saved_state_array[index]; + } else + addr = crb_addr; + + read_value = qla82xx_md_rw_32(ha, addr, 0, 0); + index = crb_entry->crb_ctrl.state_index_v; + tmplt_hdr->saved_state_array[index] = read_value; + opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE; + } + + if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) { + if (crb_entry->crb_strd.state_index_a) { + index = crb_entry->crb_strd.state_index_a; + addr = tmplt_hdr->saved_state_array[index]; + } else + addr = crb_addr; + + if (crb_entry->crb_ctrl.state_index_v) { + index = crb_entry->crb_ctrl.state_index_v; + read_value = + tmplt_hdr->saved_state_array[index]; + } else + read_value = crb_entry->value_1; + + qla82xx_md_rw_32(ha, addr, read_value, 1); + opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE; + } + + if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) { + index = crb_entry->crb_ctrl.state_index_v; + read_value = tmplt_hdr->saved_state_array[index]; + read_value <<= crb_entry->crb_ctrl.shl; + read_value >>= crb_entry->crb_ctrl.shr; + if (crb_entry->value_2) + read_value &= crb_entry->value_2; + read_value |= crb_entry->value_3; + read_value += crb_entry->value_1; + tmplt_hdr->saved_state_array[index] = read_value; + opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE; + } + crb_addr += crb_entry->crb_strd.addr_stride; + } + return rval; +} + +static void +qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, r_stride, loop_cnt, i, r_value; + struct qla82xx_md_entry_rdocm *ocm_hdr; + uint32_t *data_ptr = *d_ptr; + + ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr; + r_addr = ocm_hdr->read_addr; + r_stride = ocm_hdr->read_addr_stride; + loop_cnt = ocm_hdr->op_count; + + for (i = 0; i < loop_cnt; i++) { + r_value = RD_REG_DWORD((void __iomem *) + (r_addr + ha->nx_pcibase)); + *data_ptr++ = cpu_to_le32(r_value); + r_addr += r_stride; + } + *d_ptr = data_ptr; +} + +static void +qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value; + struct qla82xx_md_entry_mux *mux_hdr; + uint32_t *data_ptr = *d_ptr; + + mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr; + r_addr = mux_hdr->read_addr; + s_addr = mux_hdr->select_addr; + s_stride = mux_hdr->select_value_stride; + s_value = mux_hdr->select_value; + loop_cnt = mux_hdr->op_count; + + for (i = 0; i < loop_cnt; i++) { + qla82xx_md_rw_32(ha, s_addr, s_value, 1); + r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); + *data_ptr++ = cpu_to_le32(s_value); + *data_ptr++ = cpu_to_le32(r_value); + s_value += s_stride; + } + *d_ptr = data_ptr; +} + +static void +qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, r_stride, loop_cnt, i, r_value; + struct qla82xx_md_entry_crb *crb_hdr; + uint32_t *data_ptr = *d_ptr; + + crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr; + r_addr = crb_hdr->addr; + r_stride = crb_hdr->crb_strd.addr_stride; + loop_cnt = crb_hdr->op_count; + + for (i = 0; i < loop_cnt; i++) { + r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); + *data_ptr++ = cpu_to_le32(r_addr); + *data_ptr++ = cpu_to_le32(r_value); + r_addr += r_stride; + } + *d_ptr = data_ptr; +} + +static int +qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t addr, r_addr, c_addr, t_r_addr; + uint32_t i, k, loop_count, t_value, r_cnt, r_value; + unsigned long p_wait, w_time, p_mask; + uint32_t c_value_w, c_value_r; + struct qla82xx_md_entry_cache *cache_hdr; + int rval = QLA_FUNCTION_FAILED; + uint32_t *data_ptr = *d_ptr; + + cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; + loop_count = cache_hdr->op_count; + r_addr = cache_hdr->read_addr; + c_addr = cache_hdr->control_addr; + c_value_w = cache_hdr->cache_ctrl.write_value; + + t_r_addr = cache_hdr->tag_reg_addr; + t_value = cache_hdr->addr_ctrl.init_tag_value; + r_cnt = cache_hdr->read_ctrl.read_addr_cnt; + p_wait = cache_hdr->cache_ctrl.poll_wait; + p_mask = cache_hdr->cache_ctrl.poll_mask; + + for (i = 0; i < loop_count; i++) { + qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); + if (c_value_w) + qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); + + if (p_mask) { + w_time = jiffies + p_wait; + do { + c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0); + if ((c_value_r & p_mask) == 0) + break; + else if (time_after_eq(jiffies, w_time)) { + /* capturing dump failed */ + ql_dbg(ql_dbg_p3p, vha, 0xb032, + "c_value_r: 0x%x, poll_mask: 0x%lx, " + "w_time: 0x%lx\n", + c_value_r, p_mask, w_time); + return rval; + } + } while (1); + } + + addr = r_addr; + for (k = 0; k < r_cnt; k++) { + r_value = qla82xx_md_rw_32(ha, addr, 0, 0); + *data_ptr++ = cpu_to_le32(r_value); + addr += cache_hdr->read_ctrl.read_addr_stride; + } + t_value += cache_hdr->addr_ctrl.tag_value_stride; + } + *d_ptr = data_ptr; + return QLA_SUCCESS; +} + +static void +qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t addr, r_addr, c_addr, t_r_addr; + uint32_t i, k, loop_count, t_value, r_cnt, r_value; + uint32_t c_value_w; + struct qla82xx_md_entry_cache *cache_hdr; + uint32_t *data_ptr = *d_ptr; + + cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; + loop_count = cache_hdr->op_count; + r_addr = cache_hdr->read_addr; + c_addr = cache_hdr->control_addr; + c_value_w = cache_hdr->cache_ctrl.write_value; + + t_r_addr = cache_hdr->tag_reg_addr; + t_value = cache_hdr->addr_ctrl.init_tag_value; + r_cnt = cache_hdr->read_ctrl.read_addr_cnt; + + for (i = 0; i < loop_count; i++) { + qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); + qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); + addr = r_addr; + for (k = 0; k < r_cnt; k++) { + r_value = qla82xx_md_rw_32(ha, addr, 0, 0); + *data_ptr++ = cpu_to_le32(r_value); + addr += cache_hdr->read_ctrl.read_addr_stride; + } + t_value += cache_hdr->addr_ctrl.tag_value_stride; + } + *d_ptr = data_ptr; +} + +static void +qla82xx_minidump_process_queue(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t s_addr, r_addr; + uint32_t r_stride, r_value, r_cnt, qid = 0; + uint32_t i, k, loop_cnt; + struct qla82xx_md_entry_queue *q_hdr; + uint32_t *data_ptr = *d_ptr; + + q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr; + s_addr = q_hdr->select_addr; + r_cnt = q_hdr->rd_strd.read_addr_cnt; + r_stride = q_hdr->rd_strd.read_addr_stride; + loop_cnt = q_hdr->op_count; + + for (i = 0; i < loop_cnt; i++) { + qla82xx_md_rw_32(ha, s_addr, qid, 1); + r_addr = q_hdr->read_addr; + for (k = 0; k < r_cnt; k++) { + r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); + *data_ptr++ = cpu_to_le32(r_value); + r_addr += r_stride; + } + qid += q_hdr->q_strd.queue_id_stride; + } + *d_ptr = data_ptr; +} + +static void +qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, r_value; + uint32_t i, loop_cnt; + struct qla82xx_md_entry_rdrom *rom_hdr; + uint32_t *data_ptr = *d_ptr; + + rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr; + r_addr = rom_hdr->read_addr; + loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t); + + for (i = 0; i < loop_cnt; i++) { + qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, + (r_addr & 0xFFFF0000), 1); + r_value = qla82xx_md_rw_32(ha, + MD_DIRECT_ROM_READ_BASE + + (r_addr & 0x0000FFFF), 0, 0); + *data_ptr++ = cpu_to_le32(r_value); + r_addr += sizeof(uint32_t); + } + *d_ptr = data_ptr; +} + +static int +qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, r_value, r_data; + uint32_t i, j, loop_cnt; + struct qla82xx_md_entry_rdmem *m_hdr; + unsigned long flags; + int rval = QLA_FUNCTION_FAILED; + uint32_t *data_ptr = *d_ptr; + + m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr; + r_addr = m_hdr->read_addr; + loop_cnt = m_hdr->read_data_size/16; + + if (r_addr & 0xf) { + ql_log(ql_log_warn, vha, 0xb033, + "Read addr 0x%x not 16 bytes aligned\n", r_addr); + return rval; + } + + if (m_hdr->read_data_size % 16) { + ql_log(ql_log_warn, vha, 0xb034, + "Read data[0x%x] not multiple of 16 bytes\n", + m_hdr->read_data_size); + return rval; + } + + ql_dbg(ql_dbg_p3p, vha, 0xb035, + "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n", + __func__, r_addr, m_hdr->read_data_size, loop_cnt); + + write_lock_irqsave(&ha->hw_lock, flags); + for (i = 0; i < loop_cnt; i++) { + qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1); + r_value = 0; + qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1); + r_value = MIU_TA_CTL_ENABLE; + qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); + r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; + qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + r_value = qla82xx_md_rw_32(ha, + MD_MIU_TEST_AGT_CTRL, 0, 0); + if ((r_value & MIU_TA_CTL_BUSY) == 0) + break; + } + + if (j >= MAX_CTL_CHECK) { + printk_ratelimited(KERN_ERR + "failed to read through agent\n"); + write_unlock_irqrestore(&ha->hw_lock, flags); + return rval; + } + + for (j = 0; j < 4; j++) { + r_data = qla82xx_md_rw_32(ha, + MD_MIU_TEST_AGT_RDDATA[j], 0, 0); + *data_ptr++ = cpu_to_le32(r_data); + } + r_addr += 16; + } + write_unlock_irqrestore(&ha->hw_lock, flags); + *d_ptr = data_ptr; + return QLA_SUCCESS; +} + +int +qla82xx_validate_template_chksum(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint64_t chksum = 0; + uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr; + int count = ha->md_template_size/sizeof(uint32_t); + + while (count-- > 0) + chksum += *d_ptr++; + while (chksum >> 32) + chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32); + return ~chksum; +} + +static void +qla82xx_mark_entry_skipped(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, int index) +{ + entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG; + ql_dbg(ql_dbg_p3p, vha, 0xb036, + "Skipping entry[%d]: " + "ETYPE[0x%x]-ELEVEL[0x%x]\n", + index, entry_hdr->entry_type, + entry_hdr->d_ctrl.entry_capture_mask); +} + +int +qla82xx_md_collect(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + int no_entry_hdr = 0; + qla82xx_md_entry_hdr_t *entry_hdr; + struct qla82xx_md_template_hdr *tmplt_hdr; + uint32_t *data_ptr; + uint32_t total_data_size = 0, f_capture_mask, data_collected = 0; + int i = 0, rval = QLA_FUNCTION_FAILED; + + tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; + data_ptr = (uint32_t *)ha->md_dump; + + if (ha->fw_dumped) { + ql_log(ql_log_warn, vha, 0xb037, + "Firmware has been previously dumped (%p) " + "-- ignoring request.\n", ha->fw_dump); + goto md_failed; + } + + ha->fw_dumped = 0; + + if (!ha->md_tmplt_hdr || !ha->md_dump) { + ql_log(ql_log_warn, vha, 0xb038, + "Memory not allocated for minidump capture\n"); + goto md_failed; + } + + if (ha->flags.isp82xx_no_md_cap) { + ql_log(ql_log_warn, vha, 0xb054, + "Forced reset from application, " + "ignore minidump capture\n"); + ha->flags.isp82xx_no_md_cap = 0; + goto md_failed; + } + + if (qla82xx_validate_template_chksum(vha)) { + ql_log(ql_log_info, vha, 0xb039, + "Template checksum validation error\n"); + goto md_failed; + } + + no_entry_hdr = tmplt_hdr->num_of_entries; + ql_dbg(ql_dbg_p3p, vha, 0xb03a, + "No of entry headers in Template: 0x%x\n", no_entry_hdr); + + ql_dbg(ql_dbg_p3p, vha, 0xb03b, + "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level); + + f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF; + + /* Validate whether required debug level is set */ + if ((f_capture_mask & 0x3) != 0x3) { + ql_log(ql_log_warn, vha, 0xb03c, + "Minimum required capture mask[0x%x] level not set\n", + f_capture_mask); + goto md_failed; + } + tmplt_hdr->driver_capture_mask = ql2xmdcapmask; + + tmplt_hdr->driver_info[0] = vha->host_no; + tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) | + (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) | + QLA_DRIVER_BETA_VER; + + total_data_size = ha->md_dump_size; + + ql_dbg(ql_dbg_p3p, vha, 0xb03d, + "Total minidump data_size 0x%x to be captured\n", total_data_size); + + /* Check whether template obtained is valid */ + if (tmplt_hdr->entry_type != QLA82XX_TLHDR) { + ql_log(ql_log_warn, vha, 0xb04e, + "Bad template header entry type: 0x%x obtained\n", + tmplt_hdr->entry_type); + goto md_failed; + } + + entry_hdr = (qla82xx_md_entry_hdr_t *) \ + (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset); + + /* Walk through the entry headers */ + for (i = 0; i < no_entry_hdr; i++) { + + if (data_collected > total_data_size) { + ql_log(ql_log_warn, vha, 0xb03e, + "More MiniDump data collected: [0x%x]\n", + data_collected); + goto md_failed; + } + + if (!(entry_hdr->d_ctrl.entry_capture_mask & + ql2xmdcapmask)) { + entry_hdr->d_ctrl.driver_flags |= + QLA82XX_DBG_SKIPPED_FLAG; + ql_dbg(ql_dbg_p3p, vha, 0xb03f, + "Skipping entry[%d]: " + "ETYPE[0x%x]-ELEVEL[0x%x]\n", + i, entry_hdr->entry_type, + entry_hdr->d_ctrl.entry_capture_mask); + goto skip_nxt_entry; + } + + ql_dbg(ql_dbg_p3p, vha, 0xb040, + "[%s]: data ptr[%d]: %p, entry_hdr: %p\n" + "entry_type: 0x%x, captrue_mask: 0x%x\n", + __func__, i, data_ptr, entry_hdr, + entry_hdr->entry_type, + entry_hdr->d_ctrl.entry_capture_mask); + + ql_dbg(ql_dbg_p3p, vha, 0xb041, + "Data collected: [0x%x], Dump size left:[0x%x]\n", + data_collected, (ha->md_dump_size - data_collected)); + + /* Decode the entry type and take + * required action to capture debug data */ + switch (entry_hdr->entry_type) { + case QLA82XX_RDEND: + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + break; + case QLA82XX_CNTRL: + rval = qla82xx_minidump_process_control(vha, + entry_hdr, &data_ptr); + if (rval != QLA_SUCCESS) { + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + goto md_failed; + } + break; + case QLA82XX_RDCRB: + qla82xx_minidump_process_rdcrb(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_RDMEM: + rval = qla82xx_minidump_process_rdmem(vha, + entry_hdr, &data_ptr); + if (rval != QLA_SUCCESS) { + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + goto md_failed; + } + break; + case QLA82XX_BOARD: + case QLA82XX_RDROM: + qla82xx_minidump_process_rdrom(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_L2DTG: + case QLA82XX_L2ITG: + case QLA82XX_L2DAT: + case QLA82XX_L2INS: + rval = qla82xx_minidump_process_l2tag(vha, + entry_hdr, &data_ptr); + if (rval != QLA_SUCCESS) { + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + goto md_failed; + } + break; + case QLA82XX_L1DAT: + case QLA82XX_L1INS: + qla82xx_minidump_process_l1cache(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_RDOCM: + qla82xx_minidump_process_rdocm(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_RDMUX: + qla82xx_minidump_process_rdmux(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_QUEUE: + qla82xx_minidump_process_queue(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_RDNOP: + default: + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + break; + } + + ql_dbg(ql_dbg_p3p, vha, 0xb042, + "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr); + + data_collected = (uint8_t *)data_ptr - + (uint8_t *)ha->md_dump; +skip_nxt_entry: + entry_hdr = (qla82xx_md_entry_hdr_t *) \ + (((uint8_t *)entry_hdr) + entry_hdr->entry_size); + } + + if (data_collected != total_data_size) { + ql_dbg(ql_dbg_p3p, vha, 0xb043, + "MiniDump data mismatch: Data collected: [0x%x]," + "total_data_size:[0x%x]\n", + data_collected, total_data_size); + goto md_failed; + } + + ql_log(ql_log_info, vha, 0xb044, + "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n", + vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump); + ha->fw_dumped = 1; + qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); + +md_failed: + return rval; +} + +int +qla82xx_md_alloc(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + int i, k; + struct qla82xx_md_template_hdr *tmplt_hdr; + + tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; + + if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) { + ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF; + ql_log(ql_log_info, vha, 0xb045, + "Forcing driver capture mask to firmware default capture mask: 0x%x.\n", + ql2xmdcapmask); + } + + for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) { + if (i & ql2xmdcapmask) + ha->md_dump_size += tmplt_hdr->capture_size_array[k]; + } + + if (ha->md_dump) { + ql_log(ql_log_warn, vha, 0xb046, + "Firmware dump previously allocated.\n"); + return 1; + } + + ha->md_dump = vmalloc(ha->md_dump_size); + if (ha->md_dump == NULL) { + ql_log(ql_log_warn, vha, 0xb047, + "Unable to allocate memory for Minidump size " + "(0x%x).\n", ha->md_dump_size); + return 1; + } + return 0; +} + +void +qla82xx_md_free(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + + /* Release the template header allocated */ + if (ha->md_tmplt_hdr) { + ql_log(ql_log_info, vha, 0xb048, + "Free MiniDump template: %p, size (%d KB)\n", + ha->md_tmplt_hdr, ha->md_template_size / 1024); + dma_free_coherent(&ha->pdev->dev, ha->md_template_size, + ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); + ha->md_tmplt_hdr = NULL; + } + + /* Release the template data buffer allocated */ + if (ha->md_dump) { + ql_log(ql_log_info, vha, 0xb049, + "Free MiniDump memory: %p, size (%d KB)\n", + ha->md_dump, ha->md_dump_size / 1024); + vfree(ha->md_dump); + ha->md_dump_size = 0; + ha->md_dump = NULL; + } +} + +void +qla82xx_md_prep(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + int rval; + + /* Get Minidump template size */ + rval = qla82xx_md_get_template_size(vha); + if (rval == QLA_SUCCESS) { + ql_log(ql_log_info, vha, 0xb04a, + "MiniDump Template size obtained (%d KB)\n", + ha->md_template_size / 1024); + + /* Get Minidump template */ + if (IS_QLA8044(ha)) + rval = qla8044_md_get_template(vha); + else + rval = qla82xx_md_get_template(vha); + + if (rval == QLA_SUCCESS) { + ql_dbg(ql_dbg_p3p, vha, 0xb04b, + "MiniDump Template obtained\n"); + + /* Allocate memory for minidump */ + rval = qla82xx_md_alloc(vha); + if (rval == QLA_SUCCESS) + ql_log(ql_log_info, vha, 0xb04c, + "MiniDump memory allocated (%d KB)\n", + ha->md_dump_size / 1024); + else { + ql_log(ql_log_info, vha, 0xb04d, + "Free MiniDump template: %p, size: (%d KB)\n", + ha->md_tmplt_hdr, + ha->md_template_size / 1024); + dma_free_coherent(&ha->pdev->dev, + ha->md_template_size, + ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); + ha->md_tmplt_hdr = NULL; + } + + } + } +} + +int +qla82xx_beacon_on(struct scsi_qla_host *vha) +{ + + int rval; + struct qla_hw_data *ha = vha->hw; + qla82xx_idc_lock(ha); + rval = qla82xx_mbx_beacon_ctl(vha, 1); + + if (rval) { + ql_log(ql_log_warn, vha, 0xb050, + "mbx set led config failed in %s\n", __func__); + goto exit; + } + ha->beacon_blink_led = 1; +exit: + qla82xx_idc_unlock(ha); + return rval; +} + +int +qla82xx_beacon_off(struct scsi_qla_host *vha) +{ + + int rval; + struct qla_hw_data *ha = vha->hw; + qla82xx_idc_lock(ha); + rval = qla82xx_mbx_beacon_ctl(vha, 0); + + if (rval) { + ql_log(ql_log_warn, vha, 0xb051, + "mbx set led config failed in %s\n", __func__); + goto exit; + } + ha->beacon_blink_led = 0; +exit: + qla82xx_idc_unlock(ha); + return rval; +} + +void +qla82xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked) +{ + struct qla_hw_data *ha = vha->hw; + + if (!ha->allow_cna_fw_dump) + return; + + scsi_block_requests(vha->host); + ha->flags.isp82xx_no_md_cap = 1; + qla82xx_idc_lock(ha); + qla82xx_set_reset_owner(vha); + qla82xx_idc_unlock(ha); + qla2x00_wait_for_chip_reset(vha); + scsi_unblock_requests(vha->host); +} |