qla_dbg.c

linux-2.6.15.6

			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->mailbox_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nAuto Request Response DMA Registers:");
	for (cnt = 0; cnt < sizeof (fw->resp_dma_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->resp_dma_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nDMA Registers:");
	for (cnt = 0; cnt < sizeof (fw->dma_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->dma_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC Hardware Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_hdw_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_hdw_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC GP0 Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_gp0_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_gp0_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC GP1 Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_gp1_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_gp1_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC GP2 Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_gp2_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_gp2_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC GP3 Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_gp3_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_gp3_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC GP4 Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_gp4_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_gp4_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC GP5 Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_gp5_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_gp5_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC GP6 Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_gp6_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_gp6_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC GP7 Registers:");
	for (cnt = 0; cnt < sizeof (fw->risc_gp7_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_gp7_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nFrame Buffer Hardware Registers:");
	for (cnt = 0; cnt < sizeof (fw->frame_buf_hdw_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->frame_buf_hdw_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nFPM B0 Registers:");
	for (cnt = 0; cnt < sizeof (fw->fpm_b0_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->fpm_b0_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nFPM B1 Registers:");
	for (cnt = 0; cnt < sizeof (fw->fpm_b1_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->fpm_b1_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nCode RAM Dump:");
	for (cnt = 0; cnt < sizeof (fw->risc_ram) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n%04x: ", cnt + 0x0800);
		}
		qla_uprintf(&uiter, "%04x ", fw->risc_ram[cnt]);
	}

	qla_uprintf(&uiter, "\n\nStack RAM Dump:");
	for (cnt = 0; cnt < sizeof (fw->stack_ram) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n%05x: ", cnt + 0x10000);
		}
		qla_uprintf(&uiter, "%04x ", fw->stack_ram[cnt]);
	}

	qla_uprintf(&uiter, "\n\nData RAM Dump:");
	data_ram_cnt = ha->fw_memory_size - 0x11000 + 1;
	for (cnt = 0; cnt < data_ram_cnt; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n%05x: ", cnt + 0x11000);
		}
		qla_uprintf(&uiter, "%04x ", fw->data_ram[cnt]);
	}

	qla_uprintf(&uiter, "\n\n[<==END] ISP Debug Dump.");
}

/**
 * qla2100_fw_dump() - Dumps binary data from the 2100/2200 firmware.
 * @ha: HA context
 * @hardware_locked: Called with the hardware_lock
 */
void
qla2100_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
{
	int		rval;
	uint32_t	cnt, timer;
	uint16_t	risc_address;
	uint16_t	mb0, mb2;
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
	uint16_t __iomem *dmp_reg;
	unsigned long	flags;
	struct qla2100_fw_dump	*fw;

	risc_address = 0;
	mb0 = mb2 = 0;
	flags = 0;

	if (!hardware_locked)
		spin_lock_irqsave(&ha->hardware_lock, flags);

	if (ha->fw_dump != NULL) {
		qla_printk(KERN_WARNING, ha,
		    "Firmware has been previously dumped (%p) -- ignoring "
		    "request...\n", ha->fw_dump);
		goto qla2100_fw_dump_failed;
	}

	/* Allocate (large) dump buffer. */
	ha->fw_dump_order = get_order(sizeof(struct qla2100_fw_dump));
	ha->fw_dump = (struct qla2100_fw_dump *) __get_free_pages(GFP_ATOMIC,
	    ha->fw_dump_order);
	if (ha->fw_dump == NULL) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to allocated memory for firmware dump (%d/%Zd).\n",
		    ha->fw_dump_order, sizeof(struct qla2100_fw_dump));
		goto qla2100_fw_dump_failed;
	}
	fw = ha->fw_dump;

	rval = QLA_SUCCESS;
	fw->hccr = RD_REG_WORD(&reg->hccr);

	/* Pause RISC. */
	WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
	for (cnt = 30000; (RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
	    rval == QLA_SUCCESS; cnt--) {
		if (cnt)
			udelay(100);
		else
			rval = QLA_FUNCTION_TIMEOUT;
	}
	if (rval == QLA_SUCCESS) {
		dmp_reg = (uint16_t __iomem *)(reg + 0);
		for (cnt = 0; cnt < sizeof(fw->pbiu_reg) / 2; cnt++)
			fw->pbiu_reg[cnt] = RD_REG_WORD(dmp_reg++);

		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x10);
		for (cnt = 0; cnt < ha->mbx_count; cnt++) {
			if (cnt == 8) {
				dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0xe0);
			}
			fw->mailbox_reg[cnt] = RD_REG_WORD(dmp_reg++);
		}

		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x20);
		for (cnt = 0; cnt < sizeof(fw->dma_reg) / 2; cnt++)
			fw->dma_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->ctrl_status, 0x00);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0xA0);
		for (cnt = 0; cnt < sizeof(fw->risc_hdw_reg) / 2; cnt++)
			fw->risc_hdw_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->pcr, 0x2000);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->risc_gp0_reg) / 2; cnt++)
			fw->risc_gp0_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->pcr, 0x2100);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->risc_gp1_reg) / 2; cnt++)
			fw->risc_gp1_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->pcr, 0x2200);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->risc_gp2_reg) / 2; cnt++)
			fw->risc_gp2_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->pcr, 0x2300);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->risc_gp3_reg) / 2; cnt++)
			fw->risc_gp3_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->pcr, 0x2400);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->risc_gp4_reg) / 2; cnt++)
			fw->risc_gp4_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->pcr, 0x2500);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->risc_gp5_reg) / 2; cnt++)
			fw->risc_gp5_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->pcr, 0x2600);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->risc_gp6_reg) / 2; cnt++)
			fw->risc_gp6_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->pcr, 0x2700);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->risc_gp7_reg) / 2; cnt++)
			fw->risc_gp7_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->ctrl_status, 0x10);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->frame_buf_hdw_reg) / 2; cnt++)
			fw->frame_buf_hdw_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->ctrl_status, 0x20);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->fpm_b0_reg) / 2; cnt++)
			fw->fpm_b0_reg[cnt] = RD_REG_WORD(dmp_reg++);

		WRT_REG_WORD(&reg->ctrl_status, 0x30);
		dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
		for (cnt = 0; cnt < sizeof(fw->fpm_b1_reg) / 2; cnt++)
			fw->fpm_b1_reg[cnt] = RD_REG_WORD(dmp_reg++);

		/* Reset the ISP. */
		WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
	}

	for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
	    rval == QLA_SUCCESS; cnt--) {
		if (cnt)
			udelay(100);
		else
			rval = QLA_FUNCTION_TIMEOUT;
	}

	/* Pause RISC. */
	if (rval == QLA_SUCCESS && (IS_QLA2200(ha) || (IS_QLA2100(ha) &&
	    (RD_REG_WORD(&reg->mctr) & (BIT_1 | BIT_0)) != 0))) {

		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
		for (cnt = 30000;
		    (RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
		    rval == QLA_SUCCESS; cnt--) {
			if (cnt)
				udelay(100);
			else
				rval = QLA_FUNCTION_TIMEOUT;
		}
		if (rval == QLA_SUCCESS) {
			/* Set memory configuration and timing. */
			if (IS_QLA2100(ha))
				WRT_REG_WORD(&reg->mctr, 0xf1);
			else
				WRT_REG_WORD(&reg->mctr, 0xf2);
			RD_REG_WORD(&reg->mctr);	/* PCI Posting. */

			/* Release RISC. */
			WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
		}
	}

	if (rval == QLA_SUCCESS) {
		/* Get RISC SRAM. */
		risc_address = 0x1000;
 		WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_WORD);
		clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
	}
	for (cnt = 0; cnt < sizeof(fw->risc_ram) / 2 && rval == QLA_SUCCESS;
	    cnt++, risc_address++) {
 		WRT_MAILBOX_REG(ha, reg, 1, risc_address);
		WRT_REG_WORD(&reg->hccr, HCCR_SET_HOST_INT);

		for (timer = 6000000; timer != 0; timer--) {
			/* Check for pending interrupts. */
			if (RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) {
				if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
					set_bit(MBX_INTERRUPT,
					    &ha->mbx_cmd_flags);

					mb0 = RD_MAILBOX_REG(ha, reg, 0);
					mb2 = RD_MAILBOX_REG(ha, reg, 2);

					WRT_REG_WORD(&reg->semaphore, 0);
					WRT_REG_WORD(&reg->hccr,
					    HCCR_CLR_RISC_INT);
					RD_REG_WORD(&reg->hccr);
					break;
				}
				WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
				RD_REG_WORD(&reg->hccr);
			}
			udelay(5);
		}

		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
			rval = mb0 & MBS_MASK;
			fw->risc_ram[cnt] = mb2;
		} else {
			rval = QLA_FUNCTION_FAILED;
		}
	}

	if (rval != QLA_SUCCESS) {
		qla_printk(KERN_WARNING, ha,
		    "Failed to dump firmware (%x)!!!\n", rval);

		free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order);
		ha->fw_dump = NULL;
	} else {
		qla_printk(KERN_INFO, ha,
		    "Firmware dump saved to temp buffer (%ld/%p).\n",
		    ha->host_no, ha->fw_dump);
	}

qla2100_fw_dump_failed:
	if (!hardware_locked)
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

/**
 * qla2100_ascii_fw_dump() - Converts a binary firmware dump to ASCII.
 * @ha: HA context
 */
void
qla2100_ascii_fw_dump(scsi_qla_host_t *ha)
{
	uint32_t cnt;
	char *uiter;
	char fw_info[30];
	struct qla2100_fw_dump *fw;

	uiter = ha->fw_dump_buffer;
	fw = ha->fw_dump;

	qla_uprintf(&uiter, "%s Firmware Version %s\n", ha->model_number,
	    ha->isp_ops.fw_version_str(ha, fw_info));

	qla_uprintf(&uiter, "\n[==>BEG]\n");

	qla_uprintf(&uiter, "HCCR Register:\n%04x\n\n", fw->hccr);

	qla_uprintf(&uiter, "PBIU Registers:");
	for (cnt = 0; cnt < sizeof (fw->pbiu_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->pbiu_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nMailbox Registers:");
	for (cnt = 0; cnt < sizeof (fw->mailbox_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->mailbox_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nDMA Registers:");
	for (cnt = 0; cnt < sizeof (fw->dma_reg) / 2; cnt++) {
		if (cnt % 8 == 0) {
			qla_uprintf(&uiter, "\n");
		}
		qla_uprintf(&uiter, "%04x ", fw->dma_reg[cnt]);
	}

	qla_uprintf(&uiter, "\n\nRISC Hardware Registers:");