summaryrefslogtreecommitdiff
path: root/drivers/scsi/qla2xxx/qla_nx.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/scsi/qla2xxx/qla_nx.c
Initial import
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nx.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_nx.c4518
1 files changed, 4518 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
new file mode 100644
index 000000000..7d2b18f26
--- /dev/null
+++ b/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 *)&reg->req_q_out[0], 0);
+ WRT_REG_DWORD((unsigned long __iomem *)&reg->rsp_q_in[0], 0);
+ WRT_REG_DWORD((unsigned long __iomem *)&reg->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 *)&reg->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(&reg->host_int)) {
+ stat = RD_REG_DWORD(&reg->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(&reg->mailbox_out[1]);
+ mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
+ mb[3] = RD_REG_WORD(&reg->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(&reg->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(&reg->host_int);
+ if (qla2x00_check_reg32_for_disconnect(vha, host_int))
+ break;
+ if (host_int) {
+ stat = RD_REG_DWORD(&reg->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(&reg->mailbox_out[1]);
+ mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
+ mb[3] = RD_REG_WORD(&reg->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(&reg->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(&reg->host_int);
+ if (qla2x00_check_reg32_for_disconnect(vha, host_int))
+ goto out;
+ qla24xx_process_response_queue(vha, rsp);
+ WRT_REG_DWORD(&reg->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(&reg->host_int);
+ if (qla2x00_check_reg32_for_disconnect(vha, host_int))
+ goto out;
+ if (host_int) {
+ stat = RD_REG_DWORD(&reg->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(&reg->mailbox_out[1]);
+ mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
+ mb[3] = RD_REG_WORD(&reg->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(&reg->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);
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 09:30:54 +0000