diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_tmpl.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_tmpl.c | 1095 |
1 files changed, 1095 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c new file mode 100644 index 000000000..26c13a953 --- /dev/null +++ b/drivers/scsi/qla2xxx/qla_tmpl.c @@ -0,0 +1,1095 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic Fibre Channel HBA Driver + * Copyright (c) 2003-2014 QLogic Corporation + */ +#include "qla_def.h" +#include "qla_tmpl.h" + +#define ISPREG(vha) (&(vha)->hw->iobase->isp24) +#define IOBAR(reg) offsetof(typeof(*(reg)), iobase_addr) +#define IOBASE(vha) IOBAR(ISPREG(vha)) +#define INVALID_ENTRY ((struct qla27xx_fwdt_entry *)0xffffffffffffffffUL) + +static inline void +qla27xx_insert16(uint16_t value, void *buf, ulong *len) +{ + if (buf) { + buf += *len; + *(__le16 *)buf = cpu_to_le16(value); + } + *len += sizeof(value); +} + +static inline void +qla27xx_insert32(uint32_t value, void *buf, ulong *len) +{ + if (buf) { + buf += *len; + *(__le32 *)buf = cpu_to_le32(value); + } + *len += sizeof(value); +} + +static inline void +qla27xx_insertbuf(void *mem, ulong size, void *buf, ulong *len) +{ + if (buf && mem && size) { + buf += *len; + memcpy(buf, mem, size); + } + *len += size; +} + +static inline void +qla27xx_read8(void __iomem *window, void *buf, ulong *len) +{ + uint8_t value = ~0; + + if (buf) { + value = rd_reg_byte(window); + } + qla27xx_insert32(value, buf, len); +} + +static inline void +qla27xx_read16(void __iomem *window, void *buf, ulong *len) +{ + uint16_t value = ~0; + + if (buf) { + value = rd_reg_word(window); + } + qla27xx_insert32(value, buf, len); +} + +static inline void +qla27xx_read32(void __iomem *window, void *buf, ulong *len) +{ + uint32_t value = ~0; + + if (buf) { + value = rd_reg_dword(window); + } + qla27xx_insert32(value, buf, len); +} + +static inline void (*qla27xx_read_vector(uint width))(void __iomem*, void *, ulong *) +{ + return + (width == 1) ? qla27xx_read8 : + (width == 2) ? qla27xx_read16 : + qla27xx_read32; +} + +static inline void +qla27xx_read_reg(__iomem struct device_reg_24xx *reg, + uint offset, void *buf, ulong *len) +{ + void __iomem *window = (void __iomem *)reg + offset; + + qla27xx_read32(window, buf, len); +} + +static inline void +qla27xx_write_reg(__iomem struct device_reg_24xx *reg, + uint offset, uint32_t data, void *buf) +{ + if (buf) { + void __iomem *window = (void __iomem *)reg + offset; + + wrt_reg_dword(window, data); + } +} + +static inline void +qla27xx_read_window(__iomem struct device_reg_24xx *reg, + uint32_t addr, uint offset, uint count, uint width, void *buf, + ulong *len) +{ + void __iomem *window = (void __iomem *)reg + offset; + void (*readn)(void __iomem*, void *, ulong *) = qla27xx_read_vector(width); + + qla27xx_write_reg(reg, IOBAR(reg), addr, buf); + while (count--) { + qla27xx_insert32(addr, buf, len); + readn(window, buf, len); + window += width; + addr++; + } +} + +static inline void +qla27xx_skip_entry(struct qla27xx_fwdt_entry *ent, void *buf) +{ + if (buf) + ent->hdr.driver_flags |= DRIVER_FLAG_SKIP_ENTRY; +} + +static inline struct qla27xx_fwdt_entry * +qla27xx_next_entry(struct qla27xx_fwdt_entry *ent) +{ + return (void *)ent + le32_to_cpu(ent->hdr.size); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t0(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ql_dbg(ql_dbg_misc, vha, 0xd100, + "%s: nop [%lx]\n", __func__, *len); + qla27xx_skip_entry(ent, buf); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t255(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ql_dbg(ql_dbg_misc, vha, 0xd1ff, + "%s: end [%lx]\n", __func__, *len); + qla27xx_skip_entry(ent, buf); + + /* terminate */ + return NULL; +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong addr = le32_to_cpu(ent->t256.base_addr); + uint offset = ent->t256.pci_offset; + ulong count = le16_to_cpu(ent->t256.reg_count); + uint width = ent->t256.reg_width; + + ql_dbg(ql_dbg_misc, vha, 0xd200, + "%s: rdio t1 [%lx]\n", __func__, *len); + qla27xx_read_window(ISPREG(vha), addr, offset, count, width, buf, len); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong addr = le32_to_cpu(ent->t257.base_addr); + uint offset = ent->t257.pci_offset; + ulong data = le32_to_cpu(ent->t257.write_data); + + ql_dbg(ql_dbg_misc, vha, 0xd201, + "%s: wrio t1 [%lx]\n", __func__, *len); + qla27xx_write_reg(ISPREG(vha), IOBASE(vha), addr, buf); + qla27xx_write_reg(ISPREG(vha), offset, data, buf); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + uint banksel = ent->t258.banksel_offset; + ulong bank = le32_to_cpu(ent->t258.bank); + ulong addr = le32_to_cpu(ent->t258.base_addr); + uint offset = ent->t258.pci_offset; + uint count = le16_to_cpu(ent->t258.reg_count); + uint width = ent->t258.reg_width; + + ql_dbg(ql_dbg_misc, vha, 0xd202, + "%s: rdio t2 [%lx]\n", __func__, *len); + qla27xx_write_reg(ISPREG(vha), banksel, bank, buf); + qla27xx_read_window(ISPREG(vha), addr, offset, count, width, buf, len); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong addr = le32_to_cpu(ent->t259.base_addr); + uint banksel = ent->t259.banksel_offset; + ulong bank = le32_to_cpu(ent->t259.bank); + uint offset = ent->t259.pci_offset; + ulong data = le32_to_cpu(ent->t259.write_data); + + ql_dbg(ql_dbg_misc, vha, 0xd203, + "%s: wrio t2 [%lx]\n", __func__, *len); + qla27xx_write_reg(ISPREG(vha), IOBASE(vha), addr, buf); + qla27xx_write_reg(ISPREG(vha), banksel, bank, buf); + qla27xx_write_reg(ISPREG(vha), offset, data, buf); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t260(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + uint offset = ent->t260.pci_offset; + + ql_dbg(ql_dbg_misc, vha, 0xd204, + "%s: rdpci [%lx]\n", __func__, *len); + qla27xx_insert32(offset, buf, len); + qla27xx_read_reg(ISPREG(vha), offset, buf, len); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + uint offset = ent->t261.pci_offset; + ulong data = le32_to_cpu(ent->t261.write_data); + + ql_dbg(ql_dbg_misc, vha, 0xd205, + "%s: wrpci [%lx]\n", __func__, *len); + qla27xx_write_reg(ISPREG(vha), offset, data, buf); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + uint area = ent->t262.ram_area; + ulong start = le32_to_cpu(ent->t262.start_addr); + ulong end = le32_to_cpu(ent->t262.end_addr); + ulong dwords; + int rc; + + ql_dbg(ql_dbg_misc, vha, 0xd206, + "%s: rdram(%x) [%lx]\n", __func__, ent->t262.ram_area, *len); + + if (area == T262_RAM_AREA_CRITICAL_RAM) { + ; + } else if (area == T262_RAM_AREA_EXTERNAL_RAM) { + end = vha->hw->fw_memory_size; + if (buf) + ent->t262.end_addr = cpu_to_le32(end); + } else if (area == T262_RAM_AREA_SHARED_RAM) { + start = vha->hw->fw_shared_ram_start; + end = vha->hw->fw_shared_ram_end; + if (buf) { + ent->t262.start_addr = cpu_to_le32(start); + ent->t262.end_addr = cpu_to_le32(end); + } + } else if (area == T262_RAM_AREA_DDR_RAM) { + start = vha->hw->fw_ddr_ram_start; + end = vha->hw->fw_ddr_ram_end; + if (buf) { + ent->t262.start_addr = cpu_to_le32(start); + ent->t262.end_addr = cpu_to_le32(end); + } + } else if (area == T262_RAM_AREA_MISC) { + if (buf) { + ent->t262.start_addr = cpu_to_le32(start); + ent->t262.end_addr = cpu_to_le32(end); + } + } else { + ql_dbg(ql_dbg_misc, vha, 0xd022, + "%s: unknown area %x\n", __func__, area); + qla27xx_skip_entry(ent, buf); + goto done; + } + + if (end < start || start == 0 || end == 0) { + ql_dbg(ql_dbg_misc, vha, 0xd023, + "%s: unusable range (start=%lx end=%lx)\n", + __func__, start, end); + qla27xx_skip_entry(ent, buf); + goto done; + } + + dwords = end - start + 1; + if (buf) { + buf += *len; + rc = qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf); + if (rc != QLA_SUCCESS) { + ql_dbg(ql_dbg_async, vha, 0xffff, + "%s: dump ram MB failed. Area %xh start %lxh end %lxh\n", + __func__, area, start, end); + return INVALID_ENTRY; + } + } + *len += dwords * sizeof(uint32_t); +done: + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + uint type = ent->t263.queue_type; + uint count = 0; + uint i; + uint length; + + ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd207, + "%s: getq(%x) [%lx]\n", __func__, type, *len); + if (type == T263_QUEUE_TYPE_REQ) { + for (i = 0; i < vha->hw->max_req_queues; i++) { + struct req_que *req = vha->hw->req_q_map[i]; + + if (req || !buf) { + length = req ? + req->length : REQUEST_ENTRY_CNT_24XX; + qla27xx_insert16(i, buf, len); + qla27xx_insert16(length, buf, len); + qla27xx_insertbuf(req ? req->ring : NULL, + length * sizeof(*req->ring), buf, len); + count++; + } + } + } else if (type == T263_QUEUE_TYPE_RSP) { + for (i = 0; i < vha->hw->max_rsp_queues; i++) { + struct rsp_que *rsp = vha->hw->rsp_q_map[i]; + + if (rsp || !buf) { + length = rsp ? + rsp->length : RESPONSE_ENTRY_CNT_MQ; + qla27xx_insert16(i, buf, len); + qla27xx_insert16(length, buf, len); + qla27xx_insertbuf(rsp ? rsp->ring : NULL, + length * sizeof(*rsp->ring), buf, len); + count++; + } + } + } else if (QLA_TGT_MODE_ENABLED() && + ent->t263.queue_type == T263_QUEUE_TYPE_ATIO) { + struct qla_hw_data *ha = vha->hw; + struct atio *atr = ha->tgt.atio_ring; + + if (atr || !buf) { + length = ha->tgt.atio_q_length; + qla27xx_insert16(0, buf, len); + qla27xx_insert16(length, buf, len); + qla27xx_insertbuf(atr, length * sizeof(*atr), buf, len); + count++; + } + } else { + ql_dbg(ql_dbg_misc, vha, 0xd026, + "%s: unknown queue %x\n", __func__, type); + qla27xx_skip_entry(ent, buf); + } + + if (buf) { + if (count) + ent->t263.num_queues = count; + else + qla27xx_skip_entry(ent, buf); + } + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t264(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ql_dbg(ql_dbg_misc, vha, 0xd208, + "%s: getfce [%lx]\n", __func__, *len); + if (vha->hw->fce) { + if (buf) { + ent->t264.fce_trace_size = FCE_SIZE; + ent->t264.write_pointer = vha->hw->fce_wr; + ent->t264.base_pointer = vha->hw->fce_dma; + ent->t264.fce_enable_mb0 = vha->hw->fce_mb[0]; + ent->t264.fce_enable_mb2 = vha->hw->fce_mb[2]; + ent->t264.fce_enable_mb3 = vha->hw->fce_mb[3]; + ent->t264.fce_enable_mb4 = vha->hw->fce_mb[4]; + ent->t264.fce_enable_mb5 = vha->hw->fce_mb[5]; + ent->t264.fce_enable_mb6 = vha->hw->fce_mb[6]; + } + qla27xx_insertbuf(vha->hw->fce, FCE_SIZE, buf, len); + } else { + ql_dbg(ql_dbg_misc, vha, 0xd027, + "%s: missing fce\n", __func__); + qla27xx_skip_entry(ent, buf); + } + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t265(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd209, + "%s: pause risc [%lx]\n", __func__, *len); + if (buf) + qla24xx_pause_risc(ISPREG(vha), vha->hw); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t266(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ql_dbg(ql_dbg_misc, vha, 0xd20a, + "%s: reset risc [%lx]\n", __func__, *len); + if (buf) + WARN_ON_ONCE(qla24xx_soft_reset(vha->hw) != QLA_SUCCESS); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + uint offset = ent->t267.pci_offset; + ulong data = le32_to_cpu(ent->t267.data); + + ql_dbg(ql_dbg_misc, vha, 0xd20b, + "%s: dis intr [%lx]\n", __func__, *len); + qla27xx_write_reg(ISPREG(vha), offset, data, buf); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t268(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ql_dbg(ql_dbg_misc, vha, 0xd20c, + "%s: gethb(%x) [%lx]\n", __func__, ent->t268.buf_type, *len); + switch (ent->t268.buf_type) { + case T268_BUF_TYPE_EXTD_TRACE: + if (vha->hw->eft) { + if (buf) { + ent->t268.buf_size = EFT_SIZE; + ent->t268.start_addr = vha->hw->eft_dma; + } + qla27xx_insertbuf(vha->hw->eft, EFT_SIZE, buf, len); + } else { + ql_dbg(ql_dbg_misc, vha, 0xd028, + "%s: missing eft\n", __func__); + qla27xx_skip_entry(ent, buf); + } + break; + case T268_BUF_TYPE_EXCH_BUFOFF: + if (vha->hw->exchoffld_buf) { + if (buf) { + ent->t268.buf_size = vha->hw->exchoffld_size; + ent->t268.start_addr = + vha->hw->exchoffld_buf_dma; + } + qla27xx_insertbuf(vha->hw->exchoffld_buf, + vha->hw->exchoffld_size, buf, len); + } else { + ql_dbg(ql_dbg_misc, vha, 0xd028, + "%s: missing exch offld\n", __func__); + qla27xx_skip_entry(ent, buf); + } + break; + case T268_BUF_TYPE_EXTD_LOGIN: + if (vha->hw->exlogin_buf) { + if (buf) { + ent->t268.buf_size = vha->hw->exlogin_size; + ent->t268.start_addr = + vha->hw->exlogin_buf_dma; + } + qla27xx_insertbuf(vha->hw->exlogin_buf, + vha->hw->exlogin_size, buf, len); + } else { + ql_dbg(ql_dbg_misc, vha, 0xd028, + "%s: missing ext login\n", __func__); + qla27xx_skip_entry(ent, buf); + } + break; + + case T268_BUF_TYPE_REQ_MIRROR: + case T268_BUF_TYPE_RSP_MIRROR: + /* + * Mirror pointers are not implemented in the + * driver, instead shadow pointers are used by + * the drier. Skip these entries. + */ + qla27xx_skip_entry(ent, buf); + break; + default: + ql_dbg(ql_dbg_async, vha, 0xd02b, + "%s: unknown buffer %x\n", __func__, ent->t268.buf_type); + qla27xx_skip_entry(ent, buf); + break; + } + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t269(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ql_dbg(ql_dbg_misc, vha, 0xd20d, + "%s: scratch [%lx]\n", __func__, *len); + qla27xx_insert32(0xaaaaaaaa, buf, len); + qla27xx_insert32(0xbbbbbbbb, buf, len); + qla27xx_insert32(0xcccccccc, buf, len); + qla27xx_insert32(0xdddddddd, buf, len); + qla27xx_insert32(*len + sizeof(uint32_t), buf, len); + if (buf) + ent->t269.scratch_size = 5 * sizeof(uint32_t); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong addr = le32_to_cpu(ent->t270.addr); + ulong dwords = le32_to_cpu(ent->t270.count); + + ql_dbg(ql_dbg_misc, vha, 0xd20e, + "%s: rdremreg [%lx]\n", __func__, *len); + qla27xx_write_reg(ISPREG(vha), IOBASE_ADDR, 0x40, buf); + while (dwords--) { + qla27xx_write_reg(ISPREG(vha), 0xc0, addr|0x80000000, buf); + qla27xx_insert32(addr, buf, len); + qla27xx_read_reg(ISPREG(vha), 0xc4, buf, len); + addr += sizeof(uint32_t); + } + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t271(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong addr = le32_to_cpu(ent->t271.addr); + ulong data = le32_to_cpu(ent->t271.data); + + ql_dbg(ql_dbg_misc, vha, 0xd20f, + "%s: wrremreg [%lx]\n", __func__, *len); + qla27xx_write_reg(ISPREG(vha), IOBASE(vha), 0x40, buf); + qla27xx_write_reg(ISPREG(vha), 0xc4, data, buf); + qla27xx_write_reg(ISPREG(vha), 0xc0, addr, buf); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t272(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong dwords = le32_to_cpu(ent->t272.count); + ulong start = le32_to_cpu(ent->t272.addr); + + ql_dbg(ql_dbg_misc, vha, 0xd210, + "%s: rdremram [%lx]\n", __func__, *len); + if (buf) { + ql_dbg(ql_dbg_misc, vha, 0xd02c, + "%s: @%lx -> (%lx dwords)\n", __func__, start, dwords); + buf += *len; + qla27xx_dump_mpi_ram(vha->hw, start, buf, dwords, &buf); + } + *len += dwords * sizeof(uint32_t); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t273(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong dwords = le32_to_cpu(ent->t273.count); + ulong addr = le32_to_cpu(ent->t273.addr); + uint32_t value; + + ql_dbg(ql_dbg_misc, vha, 0xd211, + "%s: pcicfg [%lx]\n", __func__, *len); + while (dwords--) { + value = ~0; + if (pci_read_config_dword(vha->hw->pdev, addr, &value)) + ql_dbg(ql_dbg_misc, vha, 0xd02d, + "%s: failed pcicfg read at %lx\n", __func__, addr); + qla27xx_insert32(addr, buf, len); + qla27xx_insert32(value, buf, len); + addr += sizeof(uint32_t); + } + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong type = ent->t274.queue_type; + uint count = 0; + uint i; + + ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd212, + "%s: getqsh(%lx) [%lx]\n", __func__, type, *len); + if (type == T274_QUEUE_TYPE_REQ_SHAD) { + for (i = 0; i < vha->hw->max_req_queues; i++) { + struct req_que *req = vha->hw->req_q_map[i]; + + if (req || !buf) { + qla27xx_insert16(i, buf, len); + qla27xx_insert16(1, buf, len); + qla27xx_insert32(req && req->out_ptr ? + *req->out_ptr : 0, buf, len); + count++; + } + } + } else if (type == T274_QUEUE_TYPE_RSP_SHAD) { + for (i = 0; i < vha->hw->max_rsp_queues; i++) { + struct rsp_que *rsp = vha->hw->rsp_q_map[i]; + + if (rsp || !buf) { + qla27xx_insert16(i, buf, len); + qla27xx_insert16(1, buf, len); + qla27xx_insert32(rsp && rsp->in_ptr ? + *rsp->in_ptr : 0, buf, len); + count++; + } + } + } else if (QLA_TGT_MODE_ENABLED() && + ent->t274.queue_type == T274_QUEUE_TYPE_ATIO_SHAD) { + struct qla_hw_data *ha = vha->hw; + struct atio *atr = ha->tgt.atio_ring_ptr; + + if (atr || !buf) { + qla27xx_insert16(0, buf, len); + qla27xx_insert16(1, buf, len); + qla27xx_insert32(ha->tgt.atio_q_in ? + readl(ha->tgt.atio_q_in) : 0, buf, len); + count++; + } + } else { + ql_dbg(ql_dbg_misc, vha, 0xd02f, + "%s: unknown queue %lx\n", __func__, type); + qla27xx_skip_entry(ent, buf); + } + + if (buf) { + if (count) + ent->t274.num_queues = count; + else + qla27xx_skip_entry(ent, buf); + } + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t275(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong offset = offsetof(typeof(*ent), t275.buffer); + ulong length = le32_to_cpu(ent->t275.length); + ulong size = le32_to_cpu(ent->hdr.size); + void *buffer = ent->t275.buffer; + + ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd213, + "%s: buffer(%lx) [%lx]\n", __func__, length, *len); + if (!length) { + ql_dbg(ql_dbg_misc, vha, 0xd020, + "%s: buffer zero length\n", __func__); + qla27xx_skip_entry(ent, buf); + goto done; + } + if (offset + length > size) { + length = size - offset; + ql_dbg(ql_dbg_misc, vha, 0xd030, + "%s: buffer overflow, truncate [%lx]\n", __func__, length); + ent->t275.length = cpu_to_le32(length); + } + + qla27xx_insertbuf(buffer, length, buf, len); +done: + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t276(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd214, + "%s: cond [%lx]\n", __func__, *len); + + if (buf) { + ulong cond1 = le32_to_cpu(ent->t276.cond1); + ulong cond2 = le32_to_cpu(ent->t276.cond2); + uint type = vha->hw->pdev->device >> 4 & 0xf; + uint func = vha->hw->port_no & 0x3; + + if (type != cond1 || func != cond2) { + struct qla27xx_fwdt_template *tmp = buf; + + tmp->count--; + ent = qla27xx_next_entry(ent); + qla27xx_skip_entry(ent, buf); + } + } + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t277(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong cmd_addr = le32_to_cpu(ent->t277.cmd_addr); + ulong wr_cmd_data = le32_to_cpu(ent->t277.wr_cmd_data); + ulong data_addr = le32_to_cpu(ent->t277.data_addr); + + ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd215, + "%s: rdpep [%lx]\n", __func__, *len); + qla27xx_insert32(wr_cmd_data, buf, len); + qla27xx_write_reg(ISPREG(vha), cmd_addr, wr_cmd_data, buf); + qla27xx_read_reg(ISPREG(vha), data_addr, buf, len); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong cmd_addr = le32_to_cpu(ent->t278.cmd_addr); + ulong wr_cmd_data = le32_to_cpu(ent->t278.wr_cmd_data); + ulong data_addr = le32_to_cpu(ent->t278.data_addr); + ulong wr_data = le32_to_cpu(ent->t278.wr_data); + + ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd216, + "%s: wrpep [%lx]\n", __func__, *len); + qla27xx_write_reg(ISPREG(vha), data_addr, wr_data, buf); + qla27xx_write_reg(ISPREG(vha), cmd_addr, wr_cmd_data, buf); + + return qla27xx_next_entry(ent); +} + +static struct qla27xx_fwdt_entry * +qla27xx_fwdt_entry_other(struct scsi_qla_host *vha, + struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) +{ + ulong type = le32_to_cpu(ent->hdr.type); + + ql_dbg(ql_dbg_misc, vha, 0xd2ff, + "%s: other %lx [%lx]\n", __func__, type, *len); + qla27xx_skip_entry(ent, buf); + + return qla27xx_next_entry(ent); +} + +static struct { + uint type; + typeof(qla27xx_fwdt_entry_other)(*call); +} qla27xx_fwdt_entry_call[] = { + { ENTRY_TYPE_NOP, qla27xx_fwdt_entry_t0 }, + { ENTRY_TYPE_TMP_END, qla27xx_fwdt_entry_t255 }, + { ENTRY_TYPE_RD_IOB_T1, qla27xx_fwdt_entry_t256 }, + { ENTRY_TYPE_WR_IOB_T1, qla27xx_fwdt_entry_t257 }, + { ENTRY_TYPE_RD_IOB_T2, qla27xx_fwdt_entry_t258 }, + { ENTRY_TYPE_WR_IOB_T2, qla27xx_fwdt_entry_t259 }, + { ENTRY_TYPE_RD_PCI, qla27xx_fwdt_entry_t260 }, + { ENTRY_TYPE_WR_PCI, qla27xx_fwdt_entry_t261 }, + { ENTRY_TYPE_RD_RAM, qla27xx_fwdt_entry_t262 }, + { ENTRY_TYPE_GET_QUEUE, qla27xx_fwdt_entry_t263 }, + { ENTRY_TYPE_GET_FCE, qla27xx_fwdt_entry_t264 }, + { ENTRY_TYPE_PSE_RISC, qla27xx_fwdt_entry_t265 }, + { ENTRY_TYPE_RST_RISC, qla27xx_fwdt_entry_t266 }, + { ENTRY_TYPE_DIS_INTR, qla27xx_fwdt_entry_t267 }, + { ENTRY_TYPE_GET_HBUF, qla27xx_fwdt_entry_t268 }, + { ENTRY_TYPE_SCRATCH, qla27xx_fwdt_entry_t269 }, + { ENTRY_TYPE_RDREMREG, qla27xx_fwdt_entry_t270 }, + { ENTRY_TYPE_WRREMREG, qla27xx_fwdt_entry_t271 }, + { ENTRY_TYPE_RDREMRAM, qla27xx_fwdt_entry_t272 }, + { ENTRY_TYPE_PCICFG, qla27xx_fwdt_entry_t273 }, + { ENTRY_TYPE_GET_SHADOW, qla27xx_fwdt_entry_t274 }, + { ENTRY_TYPE_WRITE_BUF, qla27xx_fwdt_entry_t275 }, + { ENTRY_TYPE_CONDITIONAL, qla27xx_fwdt_entry_t276 }, + { ENTRY_TYPE_RDPEPREG, qla27xx_fwdt_entry_t277 }, + { ENTRY_TYPE_WRPEPREG, qla27xx_fwdt_entry_t278 }, + { -1, qla27xx_fwdt_entry_other } +}; + +static inline +typeof(qla27xx_fwdt_entry_call->call)(qla27xx_find_entry(uint type)) +{ + typeof(*qla27xx_fwdt_entry_call) *list = qla27xx_fwdt_entry_call; + + while (list->type < type) + list++; + + if (list->type == type) + return list->call; + return qla27xx_fwdt_entry_other; +} + +static void +qla27xx_walk_template(struct scsi_qla_host *vha, + struct qla27xx_fwdt_template *tmp, void *buf, ulong *len) +{ + struct qla27xx_fwdt_entry *ent = (void *)tmp + + le32_to_cpu(tmp->entry_offset); + ulong type; + + tmp->count = le32_to_cpu(tmp->entry_count); + ql_dbg(ql_dbg_misc, vha, 0xd01a, + "%s: entry count %u\n", __func__, tmp->count); + while (ent && tmp->count--) { + type = le32_to_cpu(ent->hdr.type); + ent = qla27xx_find_entry(type)(vha, ent, buf, len); + if (!ent) + break; + + if (ent == INVALID_ENTRY) { + *len = 0; + ql_dbg(ql_dbg_async, vha, 0xffff, + "Unable to capture FW dump"); + goto bailout; + } + } + + if (tmp->count) + ql_dbg(ql_dbg_misc, vha, 0xd018, + "%s: entry count residual=+%u\n", __func__, tmp->count); + + if (ent) + ql_dbg(ql_dbg_misc, vha, 0xd019, + "%s: missing end entry\n", __func__); + +bailout: + cpu_to_le32s(&tmp->count); /* endianize residual count */ +} + +static void +qla27xx_time_stamp(struct qla27xx_fwdt_template *tmp) +{ + tmp->capture_timestamp = cpu_to_le32(jiffies); +} + +static void +qla27xx_driver_info(struct qla27xx_fwdt_template *tmp) +{ + uint8_t v[] = { 0, 0, 0, 0, 0, 0 }; + + WARN_ON_ONCE(sscanf(qla2x00_version_str, + "%hhu.%hhu.%hhu.%hhu", + v + 0, v + 1, v + 2, v + 3) != 4); + + tmp->driver_info[0] = cpu_to_le32( + v[3] << 24 | v[2] << 16 | v[1] << 8 | v[0]); + tmp->driver_info[1] = cpu_to_le32(v[5] << 8 | v[4]); + tmp->driver_info[2] = __constant_cpu_to_le32(0x12345678); +} + +static void +qla27xx_firmware_info(struct scsi_qla_host *vha, + struct qla27xx_fwdt_template *tmp) +{ + tmp->firmware_version[0] = cpu_to_le32(vha->hw->fw_major_version); + tmp->firmware_version[1] = cpu_to_le32(vha->hw->fw_minor_version); + tmp->firmware_version[2] = cpu_to_le32(vha->hw->fw_subminor_version); + tmp->firmware_version[3] = cpu_to_le32( + vha->hw->fw_attributes_h << 16 | vha->hw->fw_attributes); + tmp->firmware_version[4] = cpu_to_le32( + vha->hw->fw_attributes_ext[1] << 16 | vha->hw->fw_attributes_ext[0]); +} + +static void +ql27xx_edit_template(struct scsi_qla_host *vha, + struct qla27xx_fwdt_template *tmp) +{ + qla27xx_time_stamp(tmp); + qla27xx_driver_info(tmp); + qla27xx_firmware_info(vha, tmp); +} + +static inline uint32_t +qla27xx_template_checksum(void *p, ulong size) +{ + __le32 *buf = p; + uint64_t sum = 0; + + size /= sizeof(*buf); + + for ( ; size--; buf++) + sum += le32_to_cpu(*buf); + + sum = (sum & 0xffffffff) + (sum >> 32); + + return ~sum; +} + +static inline int +qla27xx_verify_template_checksum(struct qla27xx_fwdt_template *tmp) +{ + return qla27xx_template_checksum(tmp, + le32_to_cpu(tmp->template_size)) == 0; +} + +static inline int +qla27xx_verify_template_header(struct qla27xx_fwdt_template *tmp) +{ + return le32_to_cpu(tmp->template_type) == TEMPLATE_TYPE_FWDUMP; +} + +static ulong +qla27xx_execute_fwdt_template(struct scsi_qla_host *vha, + struct qla27xx_fwdt_template *tmp, void *buf) +{ + ulong len = 0; + + if (qla27xx_fwdt_template_valid(tmp)) { + len = le32_to_cpu(tmp->template_size); + tmp = memcpy(buf, tmp, len); + ql27xx_edit_template(vha, tmp); + qla27xx_walk_template(vha, tmp, buf, &len); + } + + return len; +} + +ulong +qla27xx_fwdt_calculate_dump_size(struct scsi_qla_host *vha, void *p) +{ + struct qla27xx_fwdt_template *tmp = p; + ulong len = 0; + + if (qla27xx_fwdt_template_valid(tmp)) { + len = le32_to_cpu(tmp->template_size); + qla27xx_walk_template(vha, tmp, NULL, &len); + } + + return len; +} + +ulong +qla27xx_fwdt_template_size(void *p) +{ + struct qla27xx_fwdt_template *tmp = p; + + return le32_to_cpu(tmp->template_size); +} + +int +qla27xx_fwdt_template_valid(void *p) +{ + struct qla27xx_fwdt_template *tmp = p; + + if (!qla27xx_verify_template_header(tmp)) { + ql_log(ql_log_warn, NULL, 0xd01c, + "%s: template type %x\n", __func__, + le32_to_cpu(tmp->template_type)); + return false; + } + + if (!qla27xx_verify_template_checksum(tmp)) { + ql_log(ql_log_warn, NULL, 0xd01d, + "%s: failed template checksum\n", __func__); + return false; + } + + return true; +} + +void +qla27xx_mpi_fwdump(scsi_qla_host_t *vha, int hardware_locked) +{ + ulong flags = 0; + + if (!hardware_locked) + spin_lock_irqsave(&vha->hw->hardware_lock, flags); + if (!vha->hw->mpi_fw_dump) { + ql_log(ql_log_warn, vha, 0x02f3, "-> mpi_fwdump no buffer\n"); + } else { + struct fwdt *fwdt = &vha->hw->fwdt[1]; + ulong len; + void *buf = vha->hw->mpi_fw_dump; + bool walk_template_only = false; + + if (vha->hw->mpi_fw_dumped) { + /* Use the spare area for any further dumps. */ + buf += fwdt->dump_size; + walk_template_only = true; + ql_log(ql_log_warn, vha, 0x02f4, + "-> MPI firmware already dumped -- dump saving to temporary buffer %p.\n", + buf); + } + + ql_log(ql_log_warn, vha, 0x02f5, "-> fwdt1 running...\n"); + if (!fwdt->template) { + ql_log(ql_log_warn, vha, 0x02f6, + "-> fwdt1 no template\n"); + goto bailout; + } + len = qla27xx_execute_fwdt_template(vha, fwdt->template, buf); + if (len == 0) { + goto bailout; + } else if (len != fwdt->dump_size) { + ql_log(ql_log_warn, vha, 0x02f7, + "-> fwdt1 fwdump residual=%+ld\n", + fwdt->dump_size - len); + } + vha->hw->stat.num_mpi_reset++; + if (walk_template_only) + goto bailout; + + vha->hw->mpi_fw_dump_len = len; + vha->hw->mpi_fw_dumped = 1; + + ql_log(ql_log_warn, vha, 0x02f8, + "-> MPI firmware dump saved to buffer (%lu/%p)\n", + vha->host_no, vha->hw->mpi_fw_dump); + qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); + } + +bailout: + if (!hardware_locked) + spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); +} + +void +qla27xx_fwdump(scsi_qla_host_t *vha) +{ + lockdep_assert_held(&vha->hw->hardware_lock); + + if (!vha->hw->fw_dump) { + ql_log(ql_log_warn, vha, 0xd01e, "-> fwdump no buffer\n"); + } else if (vha->hw->fw_dumped) { + ql_log(ql_log_warn, vha, 0xd01f, + "-> Firmware already dumped (%p) -- ignoring request\n", + vha->hw->fw_dump); + } else { + struct fwdt *fwdt = vha->hw->fwdt; + ulong len; + void *buf = vha->hw->fw_dump; + + ql_log(ql_log_warn, vha, 0xd011, "-> fwdt0 running...\n"); + if (!fwdt->template) { + ql_log(ql_log_warn, vha, 0xd012, + "-> fwdt0 no template\n"); + return; + } + len = qla27xx_execute_fwdt_template(vha, fwdt->template, buf); + if (len == 0) { + return; + } else if (len != fwdt->dump_size) { + ql_log(ql_log_warn, vha, 0xd013, + "-> fwdt0 fwdump residual=%+ld\n", + fwdt->dump_size - len); + } + + vha->hw->fw_dump_len = len; + vha->hw->fw_dumped = true; + + ql_log(ql_log_warn, vha, 0xd015, + "-> Firmware dump saved to buffer (%lu/%p) <%lx>\n", + vha->host_no, vha->hw->fw_dump, vha->hw->fw_dump_cap_flags); + qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); + } +} |