From: Matthew Wilcox <matthew@wil.cx>
To: linux-scsi@vger.kernel.org
Cc: Matthew Wilcox <matthew@wil.cx>
Subject: [PATCH 4/4] advansys: Move to scsi hotplug initialisation model
Date: Mon, 16 Jul 2007 16:41:52 -0600 [thread overview]
Message-ID: <11846257132833-git-send-email-matthew@wil.cx> (raw)
In-Reply-To: <1184625713127-git-send-email-matthew@wil.cx>
In-Reply-To: <20070716202815.GQ13826@parisc-linux.org>
Switch from scsi_register/scsi_unregister to scsi_host_alloc,
scsi_add_host, scsi_scan_host and scsi_host_put.
Also restructure error handling in advansys_board_found, and split
advansys_init_wide_chip out of advansys_board_found.
Don't need to pass the driver_template around any more; and rename it
to advansys_template now we're not using scsi_module.c.
Reordered some functions so we don't need forward declarations.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
---
drivers/scsi/advansys.c | 2129 +++++++++++++++++++++++------------------------
1 files changed, 1026 insertions(+), 1103 deletions(-)
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 35c4a1d..2c5b6ac 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -800,6 +800,8 @@
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
+MODULE_LICENSE("Dual BSD/GPL");
+
/*
* --- Driver Options
*/
@@ -3827,7 +3829,7 @@ typedef struct adv_req {
/*
* Structure allocated for each board.
*
- * This structure is allocated by scsi_register() at the end
+ * This structure is allocated by scsi_host_alloc() at the end
* of the 'Scsi_Host' structure starting at the 'hostdata'
* field. It is guaranteed to be allocated from DMA-able memory.
*/
@@ -4258,1104 +4260,6 @@ advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
}
#endif /* CONFIG_PROC_FS */
-static int advansys_board_found(struct scsi_host_template *tpnt, int iop,
- struct pci_dev *pdev, int bus_type)
-{
- struct Scsi_Host *shp;
- asc_board_t *boardp;
- ASC_DVC_VAR *asc_dvc_varp = NULL;
- ADV_DVC_VAR *adv_dvc_varp = NULL;
- adv_sgblk_t *sgp;
- int share_irq;
- int iolen = 0;
- ADV_PADDR pci_memory_address;
- int warn_code, err_code;
- int ret;
-
- /*
- * Register the adapter, get its configuration, and
- * initialize it.
- */
- ASC_DBG(2, "advansys_board_found: scsi_register()\n");
-
- shp = scsi_register(tpnt, sizeof(asc_board_t));
- if (!shp)
- return -ENOMEM;
-
- /* Save a pointer to the Scsi_Host of each board found. */
- asc_host[asc_board_count++] = shp;
- if (pdev)
- pci_set_drvdata(pdev, shp);
-
- /* Initialize private per board data */
- boardp = ASC_BOARDP(shp);
- memset(boardp, 0, sizeof(asc_board_t));
- boardp->id = asc_board_count - 1;
- spin_lock_init(&boardp->lock);
-
- /*
- * Handle both narrow and wide boards.
- *
- * If a Wide board was detected, set the board structure
- * wide board flag. Set-up the board structure based on
- * the board type.
- */
-#ifdef CONFIG_PCI
- if (bus_type == ASC_IS_PCI &&
- (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW ||
- pdev->device == PCI_DEVICE_ID_38C0800_REV1 ||
- pdev->device == PCI_DEVICE_ID_38C1600_REV1)) {
- boardp->flags |= ASC_IS_WIDE_BOARD;
- }
-#endif /* CONFIG_PCI */
-
- if (ASC_NARROW_BOARD(boardp)) {
- ASC_DBG(1, "advansys_detect: narrow board\n");
- asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
- asc_dvc_varp->bus_type = bus_type;
- asc_dvc_varp->drv_ptr = boardp;
- asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg;
- asc_dvc_varp->cfg->overrun_buf = &overrun_buf[0];
- asc_dvc_varp->iop_base = iop;
- asc_dvc_varp->isr_callback = asc_isr_callback;
- } else {
- ASC_DBG(1, "advansys_detect: wide board\n");
- adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
- adv_dvc_varp->drv_ptr = boardp;
- adv_dvc_varp->cfg = &boardp->dvc_cfg.adv_dvc_cfg;
- adv_dvc_varp->isr_callback = adv_isr_callback;
- adv_dvc_varp->async_callback = adv_async_callback;
-#ifdef CONFIG_PCI
- if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW) {
- ASC_DBG(1, "advansys_detect: ASC-3550\n");
- adv_dvc_varp->chip_type = ADV_CHIP_ASC3550;
- } else if (pdev->device == PCI_DEVICE_ID_38C0800_REV1) {
- ASC_DBG(1, "advansys_detect: ASC-38C0800\n");
- adv_dvc_varp->chip_type = ADV_CHIP_ASC38C0800;
- } else {
- ASC_DBG(1, "advansys_detect: ASC-38C1600\n");
- adv_dvc_varp->chip_type = ADV_CHIP_ASC38C1600;
- }
-#endif /* CONFIG_PCI */
-
- /*
- * Map the board's registers into virtual memory for
- * PCI slave access. Only memory accesses are used to
- * access the board's registers.
- *
- * Note: The PCI register base address is not always
- * page aligned, but the address passed to ioremap()
- * must be page aligned. It is guaranteed that the
- * PCI register base address will not cross a page
- * boundary.
- */
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
- {
- iolen = ADV_3550_IOLEN;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
- {
- iolen = ADV_38C0800_IOLEN;
- } else
- {
- iolen = ADV_38C1600_IOLEN;
- }
-#ifdef CONFIG_PCI
- pci_memory_address = pci_resource_start(pdev, 1);
- ASC_DBG1(1, "advansys_detect: pci_memory_address: 0x%lx\n",
- (ulong) pci_memory_address);
- if ((boardp->ioremap_addr =
- ioremap(pci_memory_address & PAGE_MASK,
- PAGE_SIZE)) == 0) {
- ASC_PRINT3(
-"advansys_detect: board %d: ioremap(%x, %d) returned NULL\n",
- boardp->id, pci_memory_address, iolen);
- scsi_unregister(shp);
- asc_board_count--;
- return -ENOMEM;
- }
- ASC_DBG1(1, "advansys_detect: ioremap_addr: 0x%lx\n",
- (ulong) boardp->ioremap_addr);
- adv_dvc_varp->iop_base = (AdvPortAddr)
- (boardp->ioremap_addr +
- (pci_memory_address - (pci_memory_address & PAGE_MASK)));
- ASC_DBG1(1, "advansys_detect: iop_base: 0x%lx\n",
- adv_dvc_varp->iop_base);
-#endif /* CONFIG_PCI */
-
- /*
- * Even though it isn't used to access wide boards, other
- * than for the debug line below, save I/O Port address so
- * that it can be reported.
- */
- boardp->ioport = iop;
-
- ASC_DBG2(1,
-"advansys_detect: iopb_chip_id_1 0x%x, iopw_chip_id_0 0x%x\n",
- (ushort) inp(iop + 1), (ushort) inpw(iop));
- }
-
-#ifdef CONFIG_PROC_FS
- /*
- * Allocate buffer for printing information from
- * /proc/scsi/advansys/[0...].
- */
- if ((boardp->prtbuf =
- kmalloc(ASC_PRTBUF_SIZE, GFP_ATOMIC)) == NULL) {
- ASC_PRINT3(
-"advansys_detect: board %d: kmalloc(%d, %d) returned NULL\n",
- boardp->id, ASC_PRTBUF_SIZE, GFP_ATOMIC);
- scsi_unregister(shp);
- asc_board_count--;
- return -ENOMEM;
- }
-#endif /* CONFIG_PROC_FS */
-
- if (ASC_NARROW_BOARD(boardp)) {
- asc_dvc_varp->cfg->dev = NULL;
- /*
- * Set the board bus type and PCI IRQ before
- * calling AscInitGetConfig().
- */
- switch (asc_dvc_varp->bus_type) {
-#ifdef CONFIG_ISA
- case ASC_IS_ISA:
- shp->unchecked_isa_dma = TRUE;
- share_irq = FALSE;
- break;
- case ASC_IS_VL:
- shp->unchecked_isa_dma = FALSE;
- share_irq = FALSE;
- break;
- case ASC_IS_EISA:
- shp->unchecked_isa_dma = FALSE;
- share_irq = TRUE;
- break;
-#endif /* CONFIG_ISA */
-#ifdef CONFIG_PCI
- case ASC_IS_PCI:
- shp->irq = asc_dvc_varp->irq_no = pdev->irq;
- asc_dvc_varp->cfg->dev = &pdev->dev;
- asc_dvc_varp->cfg->pci_slot_info =
- ASC_PCI_MKID(pdev->bus->number,
- PCI_SLOT(pdev->devfn),
- PCI_FUNC(pdev->devfn));
- shp->unchecked_isa_dma = FALSE;
- share_irq = TRUE;
- break;
-#endif /* CONFIG_PCI */
- default:
- ASC_PRINT2(
-"advansys_detect: board %d: unknown adapter type: %d\n",
- boardp->id, asc_dvc_varp->bus_type);
- shp->unchecked_isa_dma = TRUE;
- share_irq = FALSE;
- break;
- }
- } else {
- /*
- * For Wide boards set PCI information before calling
- * AdvInitGetConfig().
- */
-#ifdef CONFIG_PCI
- shp->irq = adv_dvc_varp->irq_no = pdev->irq;
- adv_dvc_varp->cfg->dev = &pdev->dev;
- adv_dvc_varp->cfg->pci_slot_info =
- ASC_PCI_MKID(pdev->bus->number,
- PCI_SLOT(pdev->devfn),
- PCI_FUNC(pdev->devfn));
- shp->unchecked_isa_dma = FALSE;
- share_irq = TRUE;
-#endif /* CONFIG_PCI */
- }
-
- /*
- * Read the board configuration.
- */
- if (ASC_NARROW_BOARD(boardp)) {
- /*
- * NOTE: AscInitGetConfig() may change the board's
- * bus_type value. The asc_bus[bus] value should no
- * longer be used. If the bus_type field must be
- * referenced only use the bit-wise AND operator "&".
- */
- ASC_DBG(2, "advansys_detect: AscInitGetConfig()\n");
- switch(ret = AscInitGetConfig(asc_dvc_varp)) {
- case 0: /* No error */
- break;
- case ASC_WARN_IO_PORT_ROTATE:
- ASC_PRINT1(
-"AscInitGetConfig: board %d: I/O port address modified\n",
- boardp->id);
- break;
- case ASC_WARN_AUTO_CONFIG:
- ASC_PRINT1(
-"AscInitGetConfig: board %d: I/O port increment switch enabled\n",
- boardp->id);
- break;
- case ASC_WARN_EEPROM_CHKSUM:
- ASC_PRINT1(
-"AscInitGetConfig: board %d: EEPROM checksum error\n",
- boardp->id);
- break;
- case ASC_WARN_IRQ_MODIFIED:
- ASC_PRINT1(
-"AscInitGetConfig: board %d: IRQ modified\n",
- boardp->id);
- break;
- case ASC_WARN_CMD_QNG_CONFLICT:
- ASC_PRINT1(
-"AscInitGetConfig: board %d: tag queuing enabled w/o disconnects\n",
- boardp->id);
- break;
- default:
- ASC_PRINT2(
-"AscInitGetConfig: board %d: unknown warning: 0x%x\n",
- boardp->id, ret);
- break;
- }
- if ((err_code = asc_dvc_varp->err_code) != 0) {
- ASC_PRINT3(
-"AscInitGetConfig: board %d error: init_state 0x%x, err_code 0x%x\n",
- boardp->id, asc_dvc_varp->init_state,
- asc_dvc_varp->err_code);
- }
- } else {
- ASC_DBG(2, "advansys_detect: AdvInitGetConfig()\n");
- if ((ret = AdvInitGetConfig(adv_dvc_varp)) != 0) {
- ASC_PRINT2("AdvInitGetConfig: board %d: warning: 0x%x\n",
- boardp->id, ret);
- }
- if ((err_code = adv_dvc_varp->err_code) != 0) {
- ASC_PRINT2(
-"AdvInitGetConfig: board %d error: err_code 0x%x\n",
- boardp->id, adv_dvc_varp->err_code);
- }
- }
-
- if (err_code != 0) {
-#ifdef CONFIG_PROC_FS
- kfree(boardp->prtbuf);
-#endif /* CONFIG_PROC_FS */
- scsi_unregister(shp);
- asc_board_count--;
- return err_code;
- }
-
- /*
- * Save the EEPROM configuration so that it can be displayed
- * from /proc/scsi/advansys/[0...].
- */
- if (ASC_NARROW_BOARD(boardp)) {
-
- ASCEEP_CONFIG *ep;
-
- /*
- * Set the adapter's target id bit in the 'init_tidmask' field.
- */
- boardp->init_tidmask |=
- ADV_TID_TO_TIDMASK(asc_dvc_varp->cfg->chip_scsi_id);
-
- /*
- * Save EEPROM settings for the board.
- */
- ep = &boardp->eep_config.asc_eep;
-
- ep->init_sdtr = asc_dvc_varp->cfg->sdtr_enable;
- ep->disc_enable = asc_dvc_varp->cfg->disc_enable;
- ep->use_cmd_qng = asc_dvc_varp->cfg->cmd_qng_enabled;
- ASC_EEP_SET_DMA_SPD(ep, asc_dvc_varp->cfg->isa_dma_speed);
- ep->start_motor = asc_dvc_varp->start_motor;
- ep->cntl = asc_dvc_varp->dvc_cntl;
- ep->no_scam = asc_dvc_varp->no_scam;
- ep->max_total_qng = asc_dvc_varp->max_total_qng;
- ASC_EEP_SET_CHIP_ID(ep, asc_dvc_varp->cfg->chip_scsi_id);
- /* 'max_tag_qng' is set to the same value for every device. */
- ep->max_tag_qng = asc_dvc_varp->cfg->max_tag_qng[0];
- ep->adapter_info[0] = asc_dvc_varp->cfg->adapter_info[0];
- ep->adapter_info[1] = asc_dvc_varp->cfg->adapter_info[1];
- ep->adapter_info[2] = asc_dvc_varp->cfg->adapter_info[2];
- ep->adapter_info[3] = asc_dvc_varp->cfg->adapter_info[3];
- ep->adapter_info[4] = asc_dvc_varp->cfg->adapter_info[4];
- ep->adapter_info[5] = asc_dvc_varp->cfg->adapter_info[5];
-
- /*
- * Modify board configuration.
- */
- ASC_DBG(2, "advansys_detect: AscInitSetConfig()\n");
- switch (ret = AscInitSetConfig(asc_dvc_varp)) {
- case 0: /* No error. */
- break;
- case ASC_WARN_IO_PORT_ROTATE:
- ASC_PRINT1(
-"AscInitSetConfig: board %d: I/O port address modified\n",
- boardp->id);
- break;
- case ASC_WARN_AUTO_CONFIG:
- ASC_PRINT1(
-"AscInitSetConfig: board %d: I/O port increment switch enabled\n",
- boardp->id);
- break;
- case ASC_WARN_EEPROM_CHKSUM:
- ASC_PRINT1(
-"AscInitSetConfig: board %d: EEPROM checksum error\n",
- boardp->id);
- break;
- case ASC_WARN_IRQ_MODIFIED:
- ASC_PRINT1(
-"AscInitSetConfig: board %d: IRQ modified\n",
- boardp->id);
- break;
- case ASC_WARN_CMD_QNG_CONFLICT:
- ASC_PRINT1(
-"AscInitSetConfig: board %d: tag queuing w/o disconnects\n",
- boardp->id);
- break;
- default:
- ASC_PRINT2(
-"AscInitSetConfig: board %d: unknown warning: 0x%x\n",
- boardp->id, ret);
- break;
- }
- if (asc_dvc_varp->err_code != 0) {
- ASC_PRINT3(
-"AscInitSetConfig: board %d error: init_state 0x%x, err_code 0x%x\n",
- boardp->id, asc_dvc_varp->init_state,
- asc_dvc_varp->err_code);
-#ifdef CONFIG_PROC_FS
- kfree(boardp->prtbuf);
-#endif /* CONFIG_PROC_FS */
- scsi_unregister(shp);
- asc_board_count--;
- return asc_dvc_varp->err_code;
- }
-
- /*
- * Finish initializing the 'Scsi_Host' structure.
- */
- /* AscInitSetConfig() will set the IRQ for non-PCI boards. */
- if ((asc_dvc_varp->bus_type & ASC_IS_PCI) == 0) {
- shp->irq = asc_dvc_varp->irq_no;
- }
- } else {
- ADVEEP_3550_CONFIG *ep_3550;
- ADVEEP_38C0800_CONFIG *ep_38C0800;
- ADVEEP_38C1600_CONFIG *ep_38C1600;
-
- /*
- * Save Wide EEP Configuration Information.
- */
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
- {
- ep_3550 = &boardp->eep_config.adv_3550_eep;
-
- ep_3550->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
- ep_3550->max_host_qng = adv_dvc_varp->max_host_qng;
- ep_3550->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
- ep_3550->termination = adv_dvc_varp->cfg->termination;
- ep_3550->disc_enable = adv_dvc_varp->cfg->disc_enable;
- ep_3550->bios_ctrl = adv_dvc_varp->bios_ctrl;
- ep_3550->wdtr_able = adv_dvc_varp->wdtr_able;
- ep_3550->sdtr_able = adv_dvc_varp->sdtr_able;
- ep_3550->ultra_able = adv_dvc_varp->ultra_able;
- ep_3550->tagqng_able = adv_dvc_varp->tagqng_able;
- ep_3550->start_motor = adv_dvc_varp->start_motor;
- ep_3550->scsi_reset_delay = adv_dvc_varp->scsi_reset_wait;
- ep_3550->serial_number_word1 =
- adv_dvc_varp->cfg->serial1;
- ep_3550->serial_number_word2 =
- adv_dvc_varp->cfg->serial2;
- ep_3550->serial_number_word3 =
- adv_dvc_varp->cfg->serial3;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
- {
- ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
-
- ep_38C0800->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
- ep_38C0800->max_host_qng = adv_dvc_varp->max_host_qng;
- ep_38C0800->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
- ep_38C0800->termination_lvd =
- adv_dvc_varp->cfg->termination;
- ep_38C0800->disc_enable = adv_dvc_varp->cfg->disc_enable;
- ep_38C0800->bios_ctrl = adv_dvc_varp->bios_ctrl;
- ep_38C0800->wdtr_able = adv_dvc_varp->wdtr_able;
- ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
- ep_38C0800->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
- ep_38C0800->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
- ep_38C0800->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
- ep_38C0800->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
- ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
- ep_38C0800->start_motor = adv_dvc_varp->start_motor;
- ep_38C0800->scsi_reset_delay =
- adv_dvc_varp->scsi_reset_wait;
- ep_38C0800->serial_number_word1 =
- adv_dvc_varp->cfg->serial1;
- ep_38C0800->serial_number_word2 =
- adv_dvc_varp->cfg->serial2;
- ep_38C0800->serial_number_word3 =
- adv_dvc_varp->cfg->serial3;
- } else
- {
- ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
-
- ep_38C1600->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
- ep_38C1600->max_host_qng = adv_dvc_varp->max_host_qng;
- ep_38C1600->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
- ep_38C1600->termination_lvd =
- adv_dvc_varp->cfg->termination;
- ep_38C1600->disc_enable = adv_dvc_varp->cfg->disc_enable;
- ep_38C1600->bios_ctrl = adv_dvc_varp->bios_ctrl;
- ep_38C1600->wdtr_able = adv_dvc_varp->wdtr_able;
- ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
- ep_38C1600->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
- ep_38C1600->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
- ep_38C1600->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
- ep_38C1600->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
- ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
- ep_38C1600->start_motor = adv_dvc_varp->start_motor;
- ep_38C1600->scsi_reset_delay =
- adv_dvc_varp->scsi_reset_wait;
- ep_38C1600->serial_number_word1 =
- adv_dvc_varp->cfg->serial1;
- ep_38C1600->serial_number_word2 =
- adv_dvc_varp->cfg->serial2;
- ep_38C1600->serial_number_word3 =
- adv_dvc_varp->cfg->serial3;
- }
-
- /*
- * Set the adapter's target id bit in the 'init_tidmask' field.
- */
- boardp->init_tidmask |=
- ADV_TID_TO_TIDMASK(adv_dvc_varp->chip_scsi_id);
-
- /*
- * Finish initializing the 'Scsi_Host' structure.
- */
- shp->irq = adv_dvc_varp->irq_no;
- }
-
- /*
- * Channels are numbered beginning with 0. For AdvanSys one host
- * structure supports one channel. Multi-channel boards have a
- * separate host structure for each channel.
- */
- shp->max_channel = 0;
- if (ASC_NARROW_BOARD(boardp)) {
- shp->max_id = ASC_MAX_TID + 1;
- shp->max_lun = ASC_MAX_LUN + 1;
-
- shp->io_port = asc_dvc_varp->iop_base;
- boardp->asc_n_io_port = ASC_IOADR_GAP;
- shp->this_id = asc_dvc_varp->cfg->chip_scsi_id;
-
- /* Set maximum number of queues the adapter can handle. */
- shp->can_queue = asc_dvc_varp->max_total_qng;
- } else {
- shp->max_id = ADV_MAX_TID + 1;
- shp->max_lun = ADV_MAX_LUN + 1;
-
- /*
- * Save the I/O Port address and length even though
- * I/O ports are not used to access Wide boards.
- * Instead the Wide boards are accessed with
- * PCI Memory Mapped I/O.
- */
- shp->io_port = iop;
- boardp->asc_n_io_port = iolen;
-
- shp->this_id = adv_dvc_varp->chip_scsi_id;
-
- /* Set maximum number of queues the adapter can handle. */
- shp->can_queue = adv_dvc_varp->max_host_qng;
- }
-
- /*
- * 'n_io_port' currently is one byte.
- *
- * Set a value to 'n_io_port', but never referenced it because
- * it may be truncated.
- */
- shp->n_io_port = boardp->asc_n_io_port <= 255 ?
- boardp->asc_n_io_port : 255;
-
- /*
- * Following v1.3.89, 'cmd_per_lun' is no longer needed
- * and should be set to zero.
- *
- * But because of a bug introduced in v1.3.89 if the driver is
- * compiled as a module and 'cmd_per_lun' is zero, the Mid-Level
- * SCSI function 'allocate_device' will panic. To allow the driver
- * to work as a module in these kernels set 'cmd_per_lun' to 1.
- *
- * Note: This is wrong. cmd_per_lun should be set to the depth
- * you want on untagged devices always.
-#ifdef MODULE
- */
- shp->cmd_per_lun = 1;
-/* #else
- shp->cmd_per_lun = 0;
-#endif */
-
- /*
- * Set the maximum number of scatter-gather elements the
- * adapter can handle.
- */
- if (ASC_NARROW_BOARD(boardp)) {
- /*
- * Allow two commands with 'sg_tablesize' scatter-gather
- * elements to be executed simultaneously. This value is
- * the theoretical hardware limit. It may be decreased
- * below.
- */
- shp->sg_tablesize =
- (((asc_dvc_varp->max_total_qng - 2) / 2) *
- ASC_SG_LIST_PER_Q) + 1;
- } else {
- shp->sg_tablesize = ADV_MAX_SG_LIST;
- }
-
- /*
- * The value of 'sg_tablesize' can not exceed the SCSI
- * mid-level driver definition of SG_ALL. SG_ALL also
- * must not be exceeded, because it is used to define the
- * size of the scatter-gather table in 'struct asc_sg_head'.
- */
- if (shp->sg_tablesize > SG_ALL) {
- shp->sg_tablesize = SG_ALL;
- }
-
- ASC_DBG1(1, "advansys_detect: sg_tablesize: %d\n",
- shp->sg_tablesize);
-
- /* BIOS start address. */
- if (ASC_NARROW_BOARD(boardp)) {
- shp->base =
- ((ulong) AscGetChipBiosAddress(
- asc_dvc_varp->iop_base,
- asc_dvc_varp->bus_type));
- } else {
- /*
- * Fill-in BIOS board variables. The Wide BIOS saves
- * information in LRAM that is used by the driver.
- */
- AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_SIGNATURE,
- boardp->bios_signature);
- AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_VERSION,
- boardp->bios_version);
- AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_CODESEG,
- boardp->bios_codeseg);
- AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_CODELEN,
- boardp->bios_codelen);
-
- ASC_DBG2(1,
- "advansys_detect: bios_signature 0x%x, bios_version 0x%x\n",
- boardp->bios_signature, boardp->bios_version);
-
- ASC_DBG2(1,
- "advansys_detect: bios_codeseg 0x%x, bios_codelen 0x%x\n",
- boardp->bios_codeseg, boardp->bios_codelen);
-
- /*
- * If the BIOS saved a valid signature, then fill in
- * the BIOS code segment base address.
- */
- if (boardp->bios_signature == 0x55AA) {
- /*
- * Convert x86 realmode code segment to a linear
- * address by shifting left 4.
- */
- shp->base = ((ulong) boardp->bios_codeseg << 4);
- } else {
- shp->base = 0;
- }
- }
-
- /*
- * Register Board Resources - I/O Port, DMA, IRQ
- */
-
- /*
- * Register I/O port range.
- *
- * For Wide boards the I/O ports are not used to access
- * the board, but request the region anyway.
- *
- * 'shp->n_io_port' is not referenced, because it may be truncated.
- */
- ASC_DBG2(2,
- "advansys_detect: request_region port 0x%lx, len 0x%x\n",
- (ulong) shp->io_port, boardp->asc_n_io_port);
- if (request_region(shp->io_port, boardp->asc_n_io_port,
- "advansys") == NULL) {
- ASC_PRINT3(
-"advansys_detect: board %d: request_region() failed, port 0x%lx, len 0x%x\n",
- boardp->id, (ulong) shp->io_port, boardp->asc_n_io_port);
-#ifdef CONFIG_PROC_FS
- kfree(boardp->prtbuf);
-#endif /* CONFIG_PROC_FS */
- scsi_unregister(shp);
- asc_board_count--;
- return -EBUSY;
- }
-
- /* Register DMA Channel for Narrow boards. */
- shp->dma_channel = NO_ISA_DMA; /* Default to no ISA DMA. */
-#ifdef CONFIG_ISA
- if (ASC_NARROW_BOARD(boardp)) {
- /* Register DMA channel for ISA bus. */
- if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
- shp->dma_channel = asc_dvc_varp->cfg->isa_dma_channel;
- if ((ret =
- request_dma(shp->dma_channel, "advansys")) != 0) {
- ASC_PRINT3(
-"advansys_detect: board %d: request_dma() %d failed %d\n",
- boardp->id, shp->dma_channel, ret);
- release_region(shp->io_port, boardp->asc_n_io_port);
-#ifdef CONFIG_PROC_FS
- kfree(boardp->prtbuf);
-#endif /* CONFIG_PROC_FS */
- scsi_unregister(shp);
- asc_board_count--;
- return ret;
- }
- AscEnableIsaDma(shp->dma_channel);
- }
- }
-#endif /* CONFIG_ISA */
-
- /* Register IRQ Number. */
- ASC_DBG1(2, "advansys_detect: request_irq() %d\n", shp->irq);
- /*
- * If request_irq() fails with the IRQF_DISABLED flag set,
- * then try again without the IRQF_DISABLED flag set. This
- * allows IRQ sharing to work even with other drivers that
- * do not set the IRQF_DISABLED flag.
- *
- * If IRQF_DISABLED is not set, then interrupts are enabled
- * before the driver interrupt function is called.
- */
- if (((ret = request_irq(shp->irq, advansys_interrupt,
- IRQF_DISABLED | (share_irq == TRUE ? IRQF_SHARED : 0),
- "advansys", boardp)) != 0) &&
- ((ret = request_irq(shp->irq, advansys_interrupt,
- (share_irq == TRUE ? IRQF_SHARED : 0),
- "advansys", boardp)) != 0))
- {
- if (ret == -EBUSY) {
- ASC_PRINT2(
-"advansys_detect: board %d: request_irq(): IRQ 0x%x already in use.\n",
- boardp->id, shp->irq);
- } else if (ret == -EINVAL) {
- ASC_PRINT2(
-"advansys_detect: board %d: request_irq(): IRQ 0x%x not valid.\n",
- boardp->id, shp->irq);
- } else {
- ASC_PRINT3(
-"advansys_detect: board %d: request_irq(): IRQ 0x%x failed with %d\n",
- boardp->id, shp->irq, ret);
- }
- release_region(shp->io_port, boardp->asc_n_io_port);
- iounmap(boardp->ioremap_addr);
- if (shp->dma_channel != NO_ISA_DMA) {
- free_dma(shp->dma_channel);
- }
-#ifdef CONFIG_PROC_FS
- kfree(boardp->prtbuf);
-#endif /* CONFIG_PROC_FS */
- scsi_unregister(shp);
- asc_board_count--;
- return ret;
- }
-
- /*
- * Initialize board RISC chip and enable interrupts.
- */
- if (ASC_NARROW_BOARD(boardp)) {
- ASC_DBG(2, "advansys_detect: AscInitAsc1000Driver()\n");
- warn_code = AscInitAsc1000Driver(asc_dvc_varp);
- err_code = asc_dvc_varp->err_code;
-
- if (warn_code || err_code) {
- ASC_PRINT4(
-"advansys_detect: board %d error: init_state 0x%x, warn 0x%x, error 0x%x\n",
- boardp->id, asc_dvc_varp->init_state,
- warn_code, err_code);
- }
- } else {
- ADV_CARR_T *carrp;
- int req_cnt = 0;
- adv_req_t *reqp = NULL;
- int sg_cnt = 0;
-
- /*
- * Allocate buffer carrier structures. The total size
- * is about 4 KB, so allocate all at once.
- */
- carrp =
- (ADV_CARR_T *) kmalloc(ADV_CARRIER_BUFSIZE, GFP_ATOMIC);
- ASC_DBG1(1, "advansys_detect: carrp 0x%lx\n", (ulong) carrp);
-
- if (carrp == NULL) {
- goto kmalloc_error;
- }
-
- /*
- * Allocate up to 'max_host_qng' request structures for
- * the Wide board. The total size is about 16 KB, so
- * allocate all at once. If the allocation fails decrement
- * and try again.
- */
- for (req_cnt = adv_dvc_varp->max_host_qng;
- req_cnt > 0; req_cnt--) {
-
- reqp = (adv_req_t *)
- kmalloc(sizeof(adv_req_t) * req_cnt, GFP_ATOMIC);
-
- ASC_DBG3(1,
- "advansys_detect: reqp 0x%lx, req_cnt %d, bytes %lu\n",
- (ulong) reqp, req_cnt,
- (ulong) sizeof(adv_req_t) * req_cnt);
-
- if (reqp != NULL) {
- break;
- }
- }
- if (reqp == NULL)
- {
- goto kmalloc_error;
- }
-
- /*
- * Allocate up to ADV_TOT_SG_BLOCK request structures for
- * the Wide board. Each structure is about 136 bytes.
- */
- boardp->adv_sgblkp = NULL;
- for (sg_cnt = 0; sg_cnt < ADV_TOT_SG_BLOCK; sg_cnt++) {
-
- sgp = (adv_sgblk_t *)
- kmalloc(sizeof(adv_sgblk_t), GFP_ATOMIC);
-
- if (sgp == NULL)
- break;
-
- sgp->next_sgblkp = boardp->adv_sgblkp;
- boardp->adv_sgblkp = sgp;
-
- }
- ASC_DBG3(1,
- "advansys_detect: sg_cnt %d * %u = %u bytes\n",
- sg_cnt, sizeof(adv_sgblk_t),
- (unsigned) (sizeof(adv_sgblk_t) * sg_cnt));
-
- /*
- * If no request structures or scatter-gather structures could
- * be allocated, then return an error. Otherwise continue with
- * initialization.
- */
- kmalloc_error:
- if (carrp == NULL)
- {
- ASC_PRINT1(
-"advansys_detect: board %d error: failed to kmalloc() carrier buffer.\n",
- boardp->id);
- err_code = ADV_ERROR;
- } else if (reqp == NULL) {
- kfree(carrp);
- ASC_PRINT1(
-"advansys_detect: board %d error: failed to kmalloc() adv_req_t buffer.\n",
- boardp->id);
- err_code = ADV_ERROR;
- } else if (boardp->adv_sgblkp == NULL) {
- kfree(carrp);
- kfree(reqp);
- ASC_PRINT1(
-"advansys_detect: board %d error: failed to kmalloc() adv_sgblk_t buffers.\n",
- boardp->id);
- err_code = ADV_ERROR;
- } else {
-
- /* Save carrier buffer pointer. */
- boardp->orig_carrp = carrp;
-
- /*
- * Save original pointer for kfree() in case the
- * driver is built as a module and can be unloaded.
- */
- boardp->orig_reqp = reqp;
-
- adv_dvc_varp->carrier_buf = carrp;
-
- /*
- * Point 'adv_reqp' to the request structures and
- * link them together.
- */
- req_cnt--;
- reqp[req_cnt].next_reqp = NULL;
- for (; req_cnt > 0; req_cnt--) {
- reqp[req_cnt - 1].next_reqp = &reqp[req_cnt];
- }
- boardp->adv_reqp = &reqp[0];
-
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
- {
- ASC_DBG(2,
- "advansys_detect: AdvInitAsc3550Driver()\n");
- warn_code = AdvInitAsc3550Driver(adv_dvc_varp);
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- ASC_DBG(2,
- "advansys_detect: AdvInitAsc38C0800Driver()\n");
- warn_code = AdvInitAsc38C0800Driver(adv_dvc_varp);
- } else {
- ASC_DBG(2,
- "advansys_detect: AdvInitAsc38C1600Driver()\n");
- warn_code = AdvInitAsc38C1600Driver(adv_dvc_varp);
- }
- err_code = adv_dvc_varp->err_code;
-
- if (warn_code || err_code) {
- ASC_PRINT3(
-"advansys_detect: board %d error: warn 0x%x, error 0x%x\n",
- boardp->id, warn_code, err_code);
- }
- }
- }
-
- if (err_code != 0) {
- release_region(shp->io_port, boardp->asc_n_io_port);
- if (ASC_WIDE_BOARD(boardp)) {
- iounmap(boardp->ioremap_addr);
- kfree(boardp->orig_carrp);
- boardp->orig_carrp = NULL;
- if (boardp->orig_reqp) {
- kfree(boardp->orig_reqp);
- boardp->orig_reqp = boardp->adv_reqp = NULL;
- }
- while ((sgp = boardp->adv_sgblkp) != NULL)
- {
- boardp->adv_sgblkp = sgp->next_sgblkp;
- kfree(sgp);
- }
- }
- if (shp->dma_channel != NO_ISA_DMA) {
- free_dma(shp->dma_channel);
- }
-#ifdef CONFIG_PROC_FS
- kfree(boardp->prtbuf);
-#endif /* CONFIG_PROC_FS */
- free_irq(shp->irq, boardp);
- scsi_unregister(shp);
- asc_board_count--;
- return err_code;
- }
- ASC_DBG_PRT_SCSI_HOST(2, shp);
-
- return 0;
-}
-
-/*
- * advansys_detect()
- *
- * Detect function for AdvanSys adapters.
- *
- * Argument is a pointer to the host driver's scsi_hosts entry.
- *
- * Return number of adapters found.
- *
- * Note: Because this function is called during system initialization
- * it must not call SCSI mid-level functions including scsi_malloc()
- * and scsi_free().
- */
-static int __init
-advansys_detect(struct scsi_host_template *tpnt)
-{
- static int detect_called = ASC_FALSE;
- int iop;
- int bus;
- int ioport = 0;
-
- if (detect_called == ASC_FALSE) {
- detect_called = ASC_TRUE;
- } else {
- printk("AdvanSys SCSI: advansys_detect() multiple calls ignored\n");
- return 0;
- }
-
- ASC_DBG(1, "advansys_detect: begin\n");
-
- asc_board_count = 0;
-
- /*
- * If I/O port probing has been modified, then verify and
- * clean-up the 'asc_ioport' list.
- */
- if (asc_iopflag == ASC_TRUE) {
- for (ioport = 0; ioport < ASC_NUM_IOPORT_PROBE; ioport++) {
- ASC_DBG2(1, "advansys_detect: asc_ioport[%d] 0x%x\n",
- ioport, asc_ioport[ioport]);
- if (asc_ioport[ioport] != 0) {
- for (iop = 0; iop < ASC_IOADR_TABLE_MAX_IX; iop++) {
- if (_asc_def_iop_base[iop] == asc_ioport[ioport]) {
- break;
- }
- }
- if (iop == ASC_IOADR_TABLE_MAX_IX) {
- printk(
-"AdvanSys SCSI: specified I/O Port 0x%X is invalid\n",
- asc_ioport[ioport]);
- asc_ioport[ioport] = 0;
- }
- }
- }
- ioport = 0;
- }
-
- for (bus = 0; bus < ASC_NUM_BUS; bus++) {
-
- ASC_DBG2(1, "advansys_detect: bus search type %d (%s)\n",
- bus, asc_bus_name[bus]);
- iop = 0;
-
- while (asc_board_count < ASC_NUM_BOARD_SUPPORTED) {
-
- ASC_DBG1(2, "advansys_detect: asc_board_count %d\n",
- asc_board_count);
-
- switch (asc_bus[bus]) {
- case ASC_IS_ISA:
- case ASC_IS_VL:
-#ifdef CONFIG_ISA
- if (asc_iopflag == ASC_FALSE) {
- iop = AscSearchIOPortAddr(iop, asc_bus[bus]);
- } else {
- /*
- * ISA and VL I/O port scanning has either been
- * eliminated or limited to selected ports on
- * the LILO command line, /etc/lilo.conf, or
- * by setting variables when the module was loaded.
- */
- ASC_DBG(1, "advansys_detect: I/O port scanning modified\n");
- ioport_try_again:
- iop = 0;
- for (; ioport < ASC_NUM_IOPORT_PROBE; ioport++) {
- if ((iop = asc_ioport[ioport]) != 0) {
- break;
- }
- }
- if (iop) {
- ASC_DBG1(1,
- "advansys_detect: probing I/O port 0x%x...\n",
- iop);
- if (!request_region(iop, ASC_IOADR_GAP, "advansys")){
- printk(
-"AdvanSys SCSI: specified I/O Port 0x%X is busy\n", iop);
- /* Don't try this I/O port twice. */
- asc_ioport[ioport] = 0;
- goto ioport_try_again;
- } else if (AscFindSignature(iop) == ASC_FALSE) {
- printk(
-"AdvanSys SCSI: specified I/O Port 0x%X has no adapter\n", iop);
- /* Don't try this I/O port twice. */
- release_region(iop, ASC_IOADR_GAP);
- asc_ioport[ioport] = 0;
- goto ioport_try_again;
- } else {
- /*
- * If this isn't an ISA board, then it must be
- * a VL board. If currently looking an ISA
- * board is being looked for then try for
- * another ISA board in 'asc_ioport'.
- */
- if (asc_bus[bus] == ASC_IS_ISA &&
- (AscGetChipVersion(iop, ASC_IS_ISA) &
- ASC_CHIP_VER_ISA_BIT) == 0) {
- /*
- * Don't clear 'asc_ioport[ioport]'. Try
- * this board again for VL. Increment
- * 'ioport' past this board.
- */
- ioport++;
- release_region(iop, ASC_IOADR_GAP);
- goto ioport_try_again;
- }
- }
- /*
- * This board appears good, don't try the I/O port
- * again by clearing its value. Increment 'ioport'
- * for the next iteration.
- */
- asc_ioport[ioport++] = 0;
- }
- }
-#endif /* CONFIG_ISA */
- break;
-
- case ASC_IS_EISA:
-#ifdef CONFIG_ISA
- iop = AscSearchIOPortAddr(iop, asc_bus[bus]);
-#endif /* CONFIG_ISA */
- break;
-
- default:
- ASC_PRINT1("advansys_detect: unknown bus type: %d\n",
- asc_bus[bus]);
- break;
- }
- ASC_DBG1(1, "advansys_detect: iop 0x%x\n", iop);
-
- if (iop == 0)
- break;
-
- advansys_board_found(tpnt, iop, NULL, asc_bus[bus]);
- }
- }
-
- ASC_DBG1(1, "advansys_detect: done: asc_board_count %d\n", asc_board_count);
- return asc_board_count;
-}
-
-/*
- * advansys_release()
- *
- * Release resources allocated for a single AdvanSys adapter.
- */
-static int
-advansys_release(struct Scsi_Host *shp)
-{
- asc_board_t *boardp;
-
- ASC_DBG(1, "advansys_release: begin\n");
- boardp = ASC_BOARDP(shp);
- free_irq(shp->irq, boardp);
- if (shp->dma_channel != NO_ISA_DMA) {
- ASC_DBG(1, "advansys_release: free_dma()\n");
- free_dma(shp->dma_channel);
- }
- release_region(shp->io_port, boardp->asc_n_io_port);
- if (ASC_WIDE_BOARD(boardp)) {
- adv_sgblk_t *sgp = NULL;
-
- iounmap(boardp->ioremap_addr);
- kfree(boardp->orig_carrp);
- boardp->orig_carrp = NULL;
- if (boardp->orig_reqp) {
- kfree(boardp->orig_reqp);
- boardp->orig_reqp = boardp->adv_reqp = NULL;
- }
- while ((sgp = boardp->adv_sgblkp) != NULL)
- {
- boardp->adv_sgblkp = sgp->next_sgblkp;
- kfree(sgp);
- }
- }
-#ifdef CONFIG_PROC_FS
- ASC_ASSERT(boardp->prtbuf != NULL);
- kfree(boardp->prtbuf);
-#endif /* CONFIG_PROC_FS */
- scsi_unregister(shp);
- ASC_DBG(1, "advansys_release: end\n");
- return 0;
-}
-
/*
* advansys_info()
*
@@ -5768,7 +4672,7 @@ advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
* --- Loadable Driver Support
*/
-static struct scsi_host_template driver_template = {
+static struct scsi_host_template advansys_template = {
.proc_name = "advansys",
#ifdef CONFIG_PROC_FS
.proc_info = advansys_proc_info,
@@ -18028,7 +16932,1025 @@ AdvInquiryHandling(
}
}
}
-MODULE_LICENSE("Dual BSD/GPL");
+
+static int __init advansys_init_wide_chip(asc_board_t *boardp,
+ ADV_DVC_VAR *adv_dvc_varp)
+{
+ ADV_CARR_T *carrp;
+ int req_cnt = 0;
+ adv_req_t *reqp = NULL;
+ int sg_cnt = 0;
+ adv_sgblk_t *sgp;
+ int warn_code, err_code;
+
+ /*
+ * Allocate buffer carrier structures. The total size
+ * is about 4 KB, so allocate all at once.
+ */
+ carrp = kmalloc(ADV_CARRIER_BUFSIZE, GFP_KERNEL);
+ ASC_DBG1(1, "advansys_detect: carrp 0x%lx\n", (ulong) carrp);
+
+ if (!carrp)
+ goto kmalloc_failed;
+
+ /*
+ * Allocate up to 'max_host_qng' request structures for
+ * the Wide board. The total size is about 16 KB, so
+ * allocate all at once. If the allocation fails decrement
+ * and try again.
+ */
+ for (req_cnt = adv_dvc_varp->max_host_qng; req_cnt > 0; req_cnt--) {
+ reqp = kmalloc(sizeof(adv_req_t) * req_cnt, GFP_KERNEL);
+
+ ASC_DBG3(1,
+ "advansys_detect: reqp 0x%lx, req_cnt %d, bytes %lu\n",
+ (ulong) reqp, req_cnt,
+ (ulong) sizeof(adv_req_t) * req_cnt);
+
+ if (reqp)
+ break;
+ }
+
+ if (!reqp)
+ goto kmalloc_failed;
+
+ /*
+ * Allocate up to ADV_TOT_SG_BLOCK request structures for
+ * the Wide board. Each structure is about 136 bytes.
+ */
+ boardp->adv_sgblkp = NULL;
+ for (sg_cnt = 0; sg_cnt < ADV_TOT_SG_BLOCK; sg_cnt++) {
+ sgp = kmalloc(sizeof(adv_sgblk_t), GFP_KERNEL);
+
+ if (!sgp)
+ break;
+
+ sgp->next_sgblkp = boardp->adv_sgblkp;
+ boardp->adv_sgblkp = sgp;
+ }
+
+ if (!boardp->adv_sgblkp)
+ goto kmalloc_failed;
+
+ ASC_DBG3(1, "advansys_detect: sg_cnt %d * %u = %u bytes\n",
+ sg_cnt, sizeof(adv_sgblk_t),
+ (unsigned) (sizeof(adv_sgblk_t) * sg_cnt));
+
+ /* Save carrier buffer pointer. */
+ boardp->orig_carrp = carrp;
+
+ /*
+ * Save original pointer for kfree() in case the
+ * driver is built as a module and can be unloaded.
+ */
+ boardp->orig_reqp = reqp;
+
+ adv_dvc_varp->carrier_buf = carrp;
+
+ /*
+ * Point 'adv_reqp' to the request structures and
+ * link them together.
+ */
+ req_cnt--;
+ reqp[req_cnt].next_reqp = NULL;
+ for (; req_cnt > 0; req_cnt--) {
+ reqp[req_cnt - 1].next_reqp = &reqp[req_cnt];
+ }
+ boardp->adv_reqp = &reqp[0];
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ ASC_DBG(2, "advansys_detect: AdvInitAsc3550Driver()\n");
+ warn_code = AdvInitAsc3550Driver(adv_dvc_varp);
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ ASC_DBG(2, "advansys_detect: AdvInitAsc38C0800Driver()\n");
+ warn_code = AdvInitAsc38C0800Driver(adv_dvc_varp);
+ } else {
+ ASC_DBG(2, "advansys_detect: AdvInitAsc38C1600Driver()\n");
+ warn_code = AdvInitAsc38C1600Driver(adv_dvc_varp);
+ }
+ err_code = adv_dvc_varp->err_code;
+
+ if (warn_code || err_code) {
+ ASC_PRINT3("advansys_detect: board %d error: warn 0x%x, "
+ "error 0x%x\n", boardp->id, warn_code, err_code);
+ }
+
+ if (err_code == 0)
+ return 0;
+
+ while ((sgp = boardp->adv_sgblkp) != NULL) {
+ boardp->adv_sgblkp = sgp->next_sgblkp;
+ kfree(sgp);
+ }
+
+ failed:
+ kfree(reqp);
+ kfree(carrp);
+ return err_code;
+
+ kmalloc_failed:
+ ASC_PRINT1("advansys_detect: board %d error: kmalloc() failed\n",
+ boardp->id);
+ err_code = ADV_ERROR;
+ goto failed;
+}
+
+static int advansys_board_found(int iop, struct pci_dev *pdev, int bus_type)
+{
+ struct Scsi_Host *shost;
+ asc_board_t *boardp;
+ ASC_DVC_VAR *asc_dvc_varp = NULL;
+ ADV_DVC_VAR *adv_dvc_varp = NULL;
+ int share_irq;
+ int iolen = 0;
+ int warn_code, err_code;
+ int ret;
+
+ /*
+ * Register the adapter, get its configuration, and
+ * initialize it.
+ */
+ ASC_DBG(2, "advansys_board_found: scsi_host_alloc()\n");
+
+ shost = scsi_host_alloc(&advansys_template, sizeof(asc_board_t));
+ if (!shost)
+ return -ENOMEM;
+
+ /* Save a pointer to the Scsi_Host of each board found. */
+ asc_host[asc_board_count++] = shost;
+ if (pdev)
+ pci_set_drvdata(pdev, shost);
+
+ /* Initialize private per board data */
+ boardp = ASC_BOARDP(shost);
+ memset(boardp, 0, sizeof(asc_board_t));
+ boardp->id = asc_board_count - 1;
+ spin_lock_init(&boardp->lock);
+
+ /*
+ * Handle both narrow and wide boards.
+ *
+ * If a Wide board was detected, set the board structure
+ * wide board flag. Set-up the board structure based on
+ * the board type.
+ */
+#ifdef CONFIG_PCI
+ if (bus_type == ASC_IS_PCI &&
+ (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW ||
+ pdev->device == PCI_DEVICE_ID_38C0800_REV1 ||
+ pdev->device == PCI_DEVICE_ID_38C1600_REV1)) {
+ boardp->flags |= ASC_IS_WIDE_BOARD;
+ }
+#endif /* CONFIG_PCI */
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ ASC_DBG(1, "advansys_detect: narrow board\n");
+ asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
+ asc_dvc_varp->bus_type = bus_type;
+ asc_dvc_varp->drv_ptr = boardp;
+ asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg;
+ asc_dvc_varp->cfg->overrun_buf = &overrun_buf[0];
+ asc_dvc_varp->iop_base = iop;
+ asc_dvc_varp->isr_callback = asc_isr_callback;
+ } else {
+ ASC_DBG(1, "advansys_detect: wide board\n");
+ adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
+ adv_dvc_varp->drv_ptr = boardp;
+ adv_dvc_varp->cfg = &boardp->dvc_cfg.adv_dvc_cfg;
+ adv_dvc_varp->isr_callback = adv_isr_callback;
+ adv_dvc_varp->async_callback = adv_async_callback;
+#ifdef CONFIG_PCI
+ if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW) {
+ ASC_DBG(1, "advansys_detect: ASC-3550\n");
+ adv_dvc_varp->chip_type = ADV_CHIP_ASC3550;
+ iolen = ADV_3550_IOLEN;
+ } else if (pdev->device == PCI_DEVICE_ID_38C0800_REV1) {
+ ASC_DBG(1, "advansys_detect: ASC-38C0800\n");
+ adv_dvc_varp->chip_type = ADV_CHIP_ASC38C0800;
+ iolen = ADV_38C0800_IOLEN;
+ } else {
+ ASC_DBG(1, "advansys_detect: ASC-38C1600\n");
+ adv_dvc_varp->chip_type = ADV_CHIP_ASC38C1600;
+ iolen = ADV_38C1600_IOLEN;
+ }
+
+ /*
+ * Map the board's registers into virtual memory for
+ * PCI slave access. Only memory accesses are used to
+ * access the board's registers.
+ */
+
+ ASC_DBG1(1, "advansys_detect: pci_memory_address: 0x%lx\n",
+ pci_resource_start(pdev, 1));
+ boardp->ioremap_addr = ioremap(pci_resource_start(pdev, 1),
+ iolen);
+ if (boardp->ioremap_addr == 0) {
+ ASC_PRINT3("advansys_detect: board %d: ioremap(%x, %d) "
+ "returned NULL\n", boardp->id,
+ pci_resource_start(pdev, 1), iolen);
+ err_code = -ENOMEM;
+ goto err_shost;
+ }
+ ASC_DBG1(1, "advansys_detect: ioremap_addr: 0x%lx\n",
+ (ulong) boardp->ioremap_addr);
+ adv_dvc_varp->iop_base = (AdvPortAddr) boardp->ioremap_addr;
+#endif /* CONFIG_PCI */
+
+ /*
+ * Even though it isn't used to access wide boards, other
+ * than for the debug line below, save I/O Port address so
+ * that it can be reported.
+ */
+ boardp->ioport = iop;
+
+ ASC_DBG2(1, "advansys_detect: iopb_chip_id_1 0x%x, "
+ "iopw_chip_id_0 0x%x\n", (ushort) inp(iop + 1),
+ (ushort) inpw(iop));
+ }
+
+#ifdef CONFIG_PROC_FS
+ /*
+ * Allocate buffer for printing information from
+ * /proc/scsi/advansys/[0...].
+ */
+ boardp->prtbuf = kmalloc(ASC_PRTBUF_SIZE, GFP_KERNEL);
+ if (!boardp->prtbuf) {
+ ASC_PRINT3("advansys_detect: board %d: kmalloc(%d, %d) "
+ "returned NULL\n", boardp->id, ASC_PRTBUF_SIZE,
+ GFP_ATOMIC);
+ err_code = -ENOMEM;
+ goto err_unmap;
+ }
+#endif /* CONFIG_PROC_FS */
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ asc_dvc_varp->cfg->dev = NULL;
+ /*
+ * Set the board bus type and PCI IRQ before
+ * calling AscInitGetConfig().
+ */
+ switch (asc_dvc_varp->bus_type) {
+#ifdef CONFIG_ISA
+ case ASC_IS_ISA:
+ shost->unchecked_isa_dma = TRUE;
+ share_irq = FALSE;
+ break;
+ case ASC_IS_VL:
+ shost->unchecked_isa_dma = FALSE;
+ share_irq = FALSE;
+ break;
+ case ASC_IS_EISA:
+ shost->unchecked_isa_dma = FALSE;
+ share_irq = TRUE;
+ break;
+#endif /* CONFIG_ISA */
+#ifdef CONFIG_PCI
+ case ASC_IS_PCI:
+ shost->irq = asc_dvc_varp->irq_no = pdev->irq;
+ asc_dvc_varp->cfg->dev = &pdev->dev;
+ asc_dvc_varp->cfg->pci_slot_info =
+ ASC_PCI_MKID(pdev->bus->number,
+ PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn));
+ shost->unchecked_isa_dma = FALSE;
+ share_irq = TRUE;
+ break;
+#endif /* CONFIG_PCI */
+ default:
+ ASC_PRINT2("advansys_detect: board %d: unknown adapter"
+ " type: %d\n", boardp->id,
+ asc_dvc_varp->bus_type);
+ shost->unchecked_isa_dma = TRUE;
+ share_irq = FALSE;
+ break;
+ }
+ } else {
+ /*
+ * For Wide boards set PCI information before calling
+ * AdvInitGetConfig().
+ */
+#ifdef CONFIG_PCI
+ shost->irq = adv_dvc_varp->irq_no = pdev->irq;
+ adv_dvc_varp->cfg->dev = &pdev->dev;
+ adv_dvc_varp->cfg->pci_slot_info =
+ ASC_PCI_MKID(pdev->bus->number,
+ PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));
+ shost->unchecked_isa_dma = FALSE;
+ share_irq = TRUE;
+#endif /* CONFIG_PCI */
+ }
+
+ /* Read the board configuration. */
+ if (ASC_NARROW_BOARD(boardp)) {
+ /*
+ * NOTE: AscInitGetConfig() may change the board's
+ * bus_type value. The asc_bus[bus] value should no
+ * longer be used. If the bus_type field must be
+ * referenced only use the bit-wise AND operator "&".
+ */
+ ASC_DBG(2, "advansys_detect: AscInitGetConfig()\n");
+ switch(ret = AscInitGetConfig(asc_dvc_varp)) {
+ case 0: /* No error */
+ break;
+ case ASC_WARN_IO_PORT_ROTATE:
+ ASC_PRINT1(
+"AscInitGetConfig: board %d: I/O port address modified\n",
+ boardp->id);
+ break;
+ case ASC_WARN_AUTO_CONFIG:
+ ASC_PRINT1(
+"AscInitGetConfig: board %d: I/O port increment switch enabled\n",
+ boardp->id);
+ break;
+ case ASC_WARN_EEPROM_CHKSUM:
+ ASC_PRINT1(
+"AscInitGetConfig: board %d: EEPROM checksum error\n",
+ boardp->id);
+ break;
+ case ASC_WARN_IRQ_MODIFIED:
+ ASC_PRINT1(
+"AscInitGetConfig: board %d: IRQ modified\n",
+ boardp->id);
+ break;
+ case ASC_WARN_CMD_QNG_CONFLICT:
+ ASC_PRINT1(
+"AscInitGetConfig: board %d: tag queuing enabled w/o disconnects\n",
+ boardp->id);
+ break;
+ default:
+ ASC_PRINT2(
+"AscInitGetConfig: board %d: unknown warning: 0x%x\n",
+ boardp->id, ret);
+ break;
+ }
+ if ((err_code = asc_dvc_varp->err_code) != 0) {
+ ASC_PRINT3(
+"AscInitGetConfig: board %d error: init_state 0x%x, err_code 0x%x\n",
+ boardp->id, asc_dvc_varp->init_state,
+ asc_dvc_varp->err_code);
+ }
+ } else {
+ ASC_DBG(2, "advansys_detect: AdvInitGetConfig()\n");
+ if ((ret = AdvInitGetConfig(adv_dvc_varp)) != 0) {
+ ASC_PRINT2("AdvInitGetConfig: board %d: warning: 0x%x\n",
+ boardp->id, ret);
+ }
+ if ((err_code = adv_dvc_varp->err_code) != 0) {
+ ASC_PRINT2(
+"AdvInitGetConfig: board %d error: err_code 0x%x\n",
+ boardp->id, adv_dvc_varp->err_code);
+ }
+ }
+
+ if (err_code != 0)
+ goto err_free_proc;
+
+ /*
+ * Save the EEPROM configuration so that it can be displayed
+ * from /proc/scsi/advansys/[0...].
+ */
+ if (ASC_NARROW_BOARD(boardp)) {
+
+ ASCEEP_CONFIG *ep;
+
+ /*
+ * Set the adapter's target id bit in the 'init_tidmask' field.
+ */
+ boardp->init_tidmask |=
+ ADV_TID_TO_TIDMASK(asc_dvc_varp->cfg->chip_scsi_id);
+
+ /*
+ * Save EEPROM settings for the board.
+ */
+ ep = &boardp->eep_config.asc_eep;
+
+ ep->init_sdtr = asc_dvc_varp->cfg->sdtr_enable;
+ ep->disc_enable = asc_dvc_varp->cfg->disc_enable;
+ ep->use_cmd_qng = asc_dvc_varp->cfg->cmd_qng_enabled;
+ ASC_EEP_SET_DMA_SPD(ep, asc_dvc_varp->cfg->isa_dma_speed);
+ ep->start_motor = asc_dvc_varp->start_motor;
+ ep->cntl = asc_dvc_varp->dvc_cntl;
+ ep->no_scam = asc_dvc_varp->no_scam;
+ ep->max_total_qng = asc_dvc_varp->max_total_qng;
+ ASC_EEP_SET_CHIP_ID(ep, asc_dvc_varp->cfg->chip_scsi_id);
+ /* 'max_tag_qng' is set to the same value for every device. */
+ ep->max_tag_qng = asc_dvc_varp->cfg->max_tag_qng[0];
+ ep->adapter_info[0] = asc_dvc_varp->cfg->adapter_info[0];
+ ep->adapter_info[1] = asc_dvc_varp->cfg->adapter_info[1];
+ ep->adapter_info[2] = asc_dvc_varp->cfg->adapter_info[2];
+ ep->adapter_info[3] = asc_dvc_varp->cfg->adapter_info[3];
+ ep->adapter_info[4] = asc_dvc_varp->cfg->adapter_info[4];
+ ep->adapter_info[5] = asc_dvc_varp->cfg->adapter_info[5];
+
+ /*
+ * Modify board configuration.
+ */
+ ASC_DBG(2, "advansys_detect: AscInitSetConfig()\n");
+ switch (ret = AscInitSetConfig(asc_dvc_varp)) {
+ case 0: /* No error. */
+ break;
+ case ASC_WARN_IO_PORT_ROTATE:
+ ASC_PRINT1(
+"AscInitSetConfig: board %d: I/O port address modified\n",
+ boardp->id);
+ break;
+ case ASC_WARN_AUTO_CONFIG:
+ ASC_PRINT1(
+"AscInitSetConfig: board %d: I/O port increment switch enabled\n",
+ boardp->id);
+ break;
+ case ASC_WARN_EEPROM_CHKSUM:
+ ASC_PRINT1(
+"AscInitSetConfig: board %d: EEPROM checksum error\n",
+ boardp->id);
+ break;
+ case ASC_WARN_IRQ_MODIFIED:
+ ASC_PRINT1(
+"AscInitSetConfig: board %d: IRQ modified\n",
+ boardp->id);
+ break;
+ case ASC_WARN_CMD_QNG_CONFLICT:
+ ASC_PRINT1(
+"AscInitSetConfig: board %d: tag queuing w/o disconnects\n",
+ boardp->id);
+ break;
+ default:
+ ASC_PRINT2(
+"AscInitSetConfig: board %d: unknown warning: 0x%x\n",
+ boardp->id, ret);
+ break;
+ }
+ if (asc_dvc_varp->err_code != 0) {
+ err_code = asc_dvc_varp->err_code;
+ ASC_PRINT3(
+"AscInitSetConfig: board %d error: init_state 0x%x, err_code 0x%x\n",
+ boardp->id, asc_dvc_varp->init_state,
+ err_code);
+ goto err_free_proc;
+ }
+
+ /*
+ * Finish initializing the 'Scsi_Host' structure.
+ */
+ /* AscInitSetConfig() will set the IRQ for non-PCI boards. */
+ if ((asc_dvc_varp->bus_type & ASC_IS_PCI) == 0) {
+ shost->irq = asc_dvc_varp->irq_no;
+ }
+ } else {
+ ADVEEP_3550_CONFIG *ep_3550;
+ ADVEEP_38C0800_CONFIG *ep_38C0800;
+ ADVEEP_38C1600_CONFIG *ep_38C1600;
+
+ /*
+ * Save Wide EEP Configuration Information.
+ */
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
+ {
+ ep_3550 = &boardp->eep_config.adv_3550_eep;
+
+ ep_3550->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
+ ep_3550->max_host_qng = adv_dvc_varp->max_host_qng;
+ ep_3550->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
+ ep_3550->termination = adv_dvc_varp->cfg->termination;
+ ep_3550->disc_enable = adv_dvc_varp->cfg->disc_enable;
+ ep_3550->bios_ctrl = adv_dvc_varp->bios_ctrl;
+ ep_3550->wdtr_able = adv_dvc_varp->wdtr_able;
+ ep_3550->sdtr_able = adv_dvc_varp->sdtr_able;
+ ep_3550->ultra_able = adv_dvc_varp->ultra_able;
+ ep_3550->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_3550->start_motor = adv_dvc_varp->start_motor;
+ ep_3550->scsi_reset_delay = adv_dvc_varp->scsi_reset_wait;
+ ep_3550->serial_number_word1 =
+ adv_dvc_varp->cfg->serial1;
+ ep_3550->serial_number_word2 =
+ adv_dvc_varp->cfg->serial2;
+ ep_3550->serial_number_word3 =
+ adv_dvc_varp->cfg->serial3;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
+ {
+ ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
+
+ ep_38C0800->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
+ ep_38C0800->max_host_qng = adv_dvc_varp->max_host_qng;
+ ep_38C0800->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
+ ep_38C0800->termination_lvd =
+ adv_dvc_varp->cfg->termination;
+ ep_38C0800->disc_enable = adv_dvc_varp->cfg->disc_enable;
+ ep_38C0800->bios_ctrl = adv_dvc_varp->bios_ctrl;
+ ep_38C0800->wdtr_able = adv_dvc_varp->wdtr_able;
+ ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_38C0800->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
+ ep_38C0800->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
+ ep_38C0800->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
+ ep_38C0800->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
+ ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_38C0800->start_motor = adv_dvc_varp->start_motor;
+ ep_38C0800->scsi_reset_delay =
+ adv_dvc_varp->scsi_reset_wait;
+ ep_38C0800->serial_number_word1 =
+ adv_dvc_varp->cfg->serial1;
+ ep_38C0800->serial_number_word2 =
+ adv_dvc_varp->cfg->serial2;
+ ep_38C0800->serial_number_word3 =
+ adv_dvc_varp->cfg->serial3;
+ } else
+ {
+ ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
+
+ ep_38C1600->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
+ ep_38C1600->max_host_qng = adv_dvc_varp->max_host_qng;
+ ep_38C1600->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
+ ep_38C1600->termination_lvd =
+ adv_dvc_varp->cfg->termination;
+ ep_38C1600->disc_enable = adv_dvc_varp->cfg->disc_enable;
+ ep_38C1600->bios_ctrl = adv_dvc_varp->bios_ctrl;
+ ep_38C1600->wdtr_able = adv_dvc_varp->wdtr_able;
+ ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_38C1600->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
+ ep_38C1600->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
+ ep_38C1600->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
+ ep_38C1600->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
+ ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_38C1600->start_motor = adv_dvc_varp->start_motor;
+ ep_38C1600->scsi_reset_delay =
+ adv_dvc_varp->scsi_reset_wait;
+ ep_38C1600->serial_number_word1 =
+ adv_dvc_varp->cfg->serial1;
+ ep_38C1600->serial_number_word2 =
+ adv_dvc_varp->cfg->serial2;
+ ep_38C1600->serial_number_word3 =
+ adv_dvc_varp->cfg->serial3;
+ }
+
+ /*
+ * Set the adapter's target id bit in the 'init_tidmask' field.
+ */
+ boardp->init_tidmask |=
+ ADV_TID_TO_TIDMASK(adv_dvc_varp->chip_scsi_id);
+
+ /*
+ * Finish initializing the 'Scsi_Host' structure.
+ */
+ shost->irq = adv_dvc_varp->irq_no;
+ }
+
+ /*
+ * Channels are numbered beginning with 0. For AdvanSys one host
+ * structure supports one channel. Multi-channel boards have a
+ * separate host structure for each channel.
+ */
+ shost->max_channel = 0;
+ if (ASC_NARROW_BOARD(boardp)) {
+ shost->max_id = ASC_MAX_TID + 1;
+ shost->max_lun = ASC_MAX_LUN + 1;
+
+ shost->io_port = asc_dvc_varp->iop_base;
+ boardp->asc_n_io_port = ASC_IOADR_GAP;
+ shost->this_id = asc_dvc_varp->cfg->chip_scsi_id;
+
+ /* Set maximum number of queues the adapter can handle. */
+ shost->can_queue = asc_dvc_varp->max_total_qng;
+ } else {
+ shost->max_id = ADV_MAX_TID + 1;
+ shost->max_lun = ADV_MAX_LUN + 1;
+
+ /*
+ * Save the I/O Port address and length even though
+ * I/O ports are not used to access Wide boards.
+ * Instead the Wide boards are accessed with
+ * PCI Memory Mapped I/O.
+ */
+ shost->io_port = iop;
+ boardp->asc_n_io_port = iolen;
+
+ shost->this_id = adv_dvc_varp->chip_scsi_id;
+
+ /* Set maximum number of queues the adapter can handle. */
+ shost->can_queue = adv_dvc_varp->max_host_qng;
+ }
+
+ /*
+ * 'n_io_port' currently is one byte.
+ *
+ * Set a value to 'n_io_port', but never referenced it because
+ * it may be truncated.
+ */
+ shost->n_io_port = boardp->asc_n_io_port <= 255 ?
+ boardp->asc_n_io_port : 255;
+
+ /*
+ * Following v1.3.89, 'cmd_per_lun' is no longer needed
+ * and should be set to zero.
+ *
+ * But because of a bug introduced in v1.3.89 if the driver is
+ * compiled as a module and 'cmd_per_lun' is zero, the Mid-Level
+ * SCSI function 'allocate_device' will panic. To allow the driver
+ * to work as a module in these kernels set 'cmd_per_lun' to 1.
+ *
+ * Note: This is wrong. cmd_per_lun should be set to the depth
+ * you want on untagged devices always.
+#ifdef MODULE
+ */
+ shost->cmd_per_lun = 1;
+/* #else
+ shost->cmd_per_lun = 0;
+#endif */
+
+ /*
+ * Set the maximum number of scatter-gather elements the
+ * adapter can handle.
+ */
+ if (ASC_NARROW_BOARD(boardp)) {
+ /*
+ * Allow two commands with 'sg_tablesize' scatter-gather
+ * elements to be executed simultaneously. This value is
+ * the theoretical hardware limit. It may be decreased
+ * below.
+ */
+ shost->sg_tablesize =
+ (((asc_dvc_varp->max_total_qng - 2) / 2) *
+ ASC_SG_LIST_PER_Q) + 1;
+ } else {
+ shost->sg_tablesize = ADV_MAX_SG_LIST;
+ }
+
+ /*
+ * The value of 'sg_tablesize' can not exceed the SCSI
+ * mid-level driver definition of SG_ALL. SG_ALL also
+ * must not be exceeded, because it is used to define the
+ * size of the scatter-gather table in 'struct asc_sg_head'.
+ */
+ if (shost->sg_tablesize > SG_ALL) {
+ shost->sg_tablesize = SG_ALL;
+ }
+
+ ASC_DBG1(1, "advansys_detect: sg_tablesize: %d\n",
+ shost->sg_tablesize);
+
+ /* BIOS start address. */
+ if (ASC_NARROW_BOARD(boardp)) {
+ shost->base =
+ ((ulong) AscGetChipBiosAddress(
+ asc_dvc_varp->iop_base,
+ asc_dvc_varp->bus_type));
+ } else {
+ /*
+ * Fill-in BIOS board variables. The Wide BIOS saves
+ * information in LRAM that is used by the driver.
+ */
+ AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_SIGNATURE,
+ boardp->bios_signature);
+ AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_VERSION,
+ boardp->bios_version);
+ AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_CODESEG,
+ boardp->bios_codeseg);
+ AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_CODELEN,
+ boardp->bios_codelen);
+
+ ASC_DBG2(1,
+ "advansys_detect: bios_signature 0x%x, bios_version 0x%x\n",
+ boardp->bios_signature, boardp->bios_version);
+
+ ASC_DBG2(1,
+ "advansys_detect: bios_codeseg 0x%x, bios_codelen 0x%x\n",
+ boardp->bios_codeseg, boardp->bios_codelen);
+
+ /*
+ * If the BIOS saved a valid signature, then fill in
+ * the BIOS code segment base address.
+ */
+ if (boardp->bios_signature == 0x55AA) {
+ /*
+ * Convert x86 realmode code segment to a linear
+ * address by shifting left 4.
+ */
+ shost->base = ((ulong) boardp->bios_codeseg << 4);
+ } else {
+ shost->base = 0;
+ }
+ }
+
+ /*
+ * Register Board Resources - I/O Port, DMA, IRQ
+ */
+
+ /*
+ * Register I/O port range.
+ *
+ * For Wide boards the I/O ports are not used to access
+ * the board, but request the region anyway.
+ *
+ * 'shost->n_io_port' is not referenced, because it may be truncated.
+ */
+ ASC_DBG2(2,
+ "advansys_detect: request_region port 0x%lx, len 0x%x\n",
+ (ulong) shost->io_port, boardp->asc_n_io_port);
+ if (request_region(shost->io_port, boardp->asc_n_io_port,
+ "advansys") == NULL) {
+ ASC_PRINT3(
+"advansys_detect: board %d: request_region() failed, port 0x%lx, len 0x%x\n",
+ boardp->id, (ulong) shost->io_port, boardp->asc_n_io_port);
+ err_code = -EBUSY;
+ goto err_free_proc;
+ }
+
+ /* Register DMA Channel for Narrow boards. */
+ shost->dma_channel = NO_ISA_DMA; /* Default to no ISA DMA. */
+#ifdef CONFIG_ISA
+ if (ASC_NARROW_BOARD(boardp)) {
+ /* Register DMA channel for ISA bus. */
+ if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
+ shost->dma_channel = asc_dvc_varp->cfg->isa_dma_channel;
+ if ((err_code =
+ request_dma(shost->dma_channel, "advansys")) != 0) {
+ ASC_PRINT3(
+"advansys_detect: board %d: request_dma() %d failed %d\n",
+ boardp->id, shost->dma_channel, ret);
+ goto err_free_region;
+ }
+ AscEnableIsaDma(shost->dma_channel);
+ }
+ }
+#endif /* CONFIG_ISA */
+
+ /* Register IRQ Number. */
+ ASC_DBG1(2, "advansys_detect: request_irq() %d\n", shost->irq);
+ /*
+ * If request_irq() fails with the IRQF_DISABLED flag set,
+ * then try again without the IRQF_DISABLED flag set. This
+ * allows IRQ sharing to work even with other drivers that
+ * do not set the IRQF_DISABLED flag.
+ *
+ * If IRQF_DISABLED is not set, then interrupts are enabled
+ * before the driver interrupt function is called.
+ */
+ if (((err_code = request_irq(shost->irq, advansys_interrupt,
+ IRQF_DISABLED | (share_irq == TRUE ? IRQF_SHARED : 0),
+ "advansys", boardp)) != 0) &&
+ ((err_code = request_irq(shost->irq, advansys_interrupt,
+ (share_irq == TRUE ? IRQF_SHARED : 0),
+ "advansys", boardp)) != 0))
+ {
+ if (err_code == -EBUSY) {
+ ASC_PRINT2(
+"advansys_detect: board %d: request_irq(): IRQ 0x%x already in use.\n",
+ boardp->id, shost->irq);
+ } else if (err_code == -EINVAL) {
+ ASC_PRINT2(
+"advansys_detect: board %d: request_irq(): IRQ 0x%x not valid.\n",
+ boardp->id, shost->irq);
+ } else {
+ ASC_PRINT3(
+"advansys_detect: board %d: request_irq(): IRQ 0x%x failed with %d\n",
+ boardp->id, shost->irq, ret);
+ }
+ goto err_free_dma;
+ }
+
+ /*
+ * Initialize board RISC chip and enable interrupts.
+ */
+ if (ASC_NARROW_BOARD(boardp)) {
+ ASC_DBG(2, "advansys_detect: AscInitAsc1000Driver()\n");
+ warn_code = AscInitAsc1000Driver(asc_dvc_varp);
+ err_code = asc_dvc_varp->err_code;
+
+ if (warn_code || err_code) {
+ ASC_PRINT4(
+"advansys_detect: board %d error: init_state 0x%x, warn 0x%x, error 0x%x\n",
+ boardp->id, asc_dvc_varp->init_state,
+ warn_code, err_code);
+ }
+ } else {
+ err_code = advansys_init_wide_chip(boardp, adv_dvc_varp);
+ }
+
+ if (err_code != 0)
+ goto err_free_irq;
+ ASC_DBG_PRT_SCSI_HOST(2, shost);
+
+ err_code = scsi_add_host(shost, pdev ? &pdev->dev : NULL);
+ if (err_code)
+ goto err_free_irq;
+
+ scsi_scan_host(shost);
+
+ return 0;
+
+ err_free_irq:
+ free_irq(shost->irq, boardp);
+
+ err_free_dma:
+ if (shost->dma_channel != NO_ISA_DMA)
+ free_dma(shost->dma_channel);
+
+ err_free_region:
+ release_region(shost->io_port, boardp->asc_n_io_port);
+
+ err_free_proc:
+ kfree(boardp->prtbuf);
+
+ err_unmap:
+ iounmap(boardp->ioremap_addr);
+
+ err_shost:
+ scsi_host_put(shost);
+ asc_board_count--;
+ return err_code;
+}
+
+/*
+ * advansys_detect()
+ *
+ * Detect function for AdvanSys adapters.
+ *
+ * Argument is a pointer to the host driver's scsi_hosts entry.
+ *
+ * Return number of adapters found.
+ *
+ * Note: Because this function is called during system initialization
+ * it must not call SCSI mid-level functions including scsi_malloc()
+ * and scsi_free().
+ */
+static int __init advansys_detect(void)
+{
+ int iop;
+ int bus;
+ int ioport = 0;
+
+ ASC_DBG(1, "advansys_detect: begin\n");
+
+ /*
+ * If I/O port probing has been modified, then verify and
+ * clean-up the 'asc_ioport' list.
+ */
+ if (asc_iopflag == ASC_TRUE) {
+ for (ioport = 0; ioport < ASC_NUM_IOPORT_PROBE; ioport++) {
+ ASC_DBG2(1, "advansys_detect: asc_ioport[%d] 0x%x\n",
+ ioport, asc_ioport[ioport]);
+ if (asc_ioport[ioport] != 0) {
+ for (iop = 0; iop < ASC_IOADR_TABLE_MAX_IX; iop++) {
+ if (_asc_def_iop_base[iop] == asc_ioport[ioport]) {
+ break;
+ }
+ }
+ if (iop == ASC_IOADR_TABLE_MAX_IX) {
+ printk(
+"AdvanSys SCSI: specified I/O Port 0x%X is invalid\n",
+ asc_ioport[ioport]);
+ asc_ioport[ioport] = 0;
+ }
+ }
+ }
+ ioport = 0;
+ }
+
+ for (bus = 0; bus < ASC_NUM_BUS; bus++) {
+
+ ASC_DBG2(1, "advansys_detect: bus search type %d (%s)\n",
+ bus, asc_bus_name[bus]);
+ iop = 0;
+
+ while (asc_board_count < ASC_NUM_BOARD_SUPPORTED) {
+
+ ASC_DBG1(2, "advansys_detect: asc_board_count %d\n",
+ asc_board_count);
+
+ switch (asc_bus[bus]) {
+ case ASC_IS_ISA:
+ case ASC_IS_VL:
+#ifdef CONFIG_ISA
+ if (asc_iopflag == ASC_FALSE) {
+ iop = AscSearchIOPortAddr(iop, asc_bus[bus]);
+ } else {
+ /*
+ * ISA and VL I/O port scanning has either been
+ * eliminated or limited to selected ports on
+ * the LILO command line, /etc/lilo.conf, or
+ * by setting variables when the module was loaded.
+ */
+ ASC_DBG(1, "advansys_detect: I/O port scanning modified\n");
+ ioport_try_again:
+ iop = 0;
+ for (; ioport < ASC_NUM_IOPORT_PROBE; ioport++) {
+ if ((iop = asc_ioport[ioport]) != 0) {
+ break;
+ }
+ }
+ if (iop) {
+ ASC_DBG1(1,
+ "advansys_detect: probing I/O port 0x%x...\n",
+ iop);
+ if (!request_region(iop, ASC_IOADR_GAP, "advansys")){
+ printk(
+"AdvanSys SCSI: specified I/O Port 0x%X is busy\n", iop);
+ /* Don't try this I/O port twice. */
+ asc_ioport[ioport] = 0;
+ goto ioport_try_again;
+ } else if (AscFindSignature(iop) == ASC_FALSE) {
+ printk(
+"AdvanSys SCSI: specified I/O Port 0x%X has no adapter\n", iop);
+ /* Don't try this I/O port twice. */
+ release_region(iop, ASC_IOADR_GAP);
+ asc_ioport[ioport] = 0;
+ goto ioport_try_again;
+ } else {
+ /*
+ * If this isn't an ISA board, then it must be
+ * a VL board. If currently looking an ISA
+ * board is being looked for then try for
+ * another ISA board in 'asc_ioport'.
+ */
+ if (asc_bus[bus] == ASC_IS_ISA &&
+ (AscGetChipVersion(iop, ASC_IS_ISA) &
+ ASC_CHIP_VER_ISA_BIT) == 0) {
+ /*
+ * Don't clear 'asc_ioport[ioport]'. Try
+ * this board again for VL. Increment
+ * 'ioport' past this board.
+ */
+ ioport++;
+ release_region(iop, ASC_IOADR_GAP);
+ goto ioport_try_again;
+ }
+ }
+ /*
+ * This board appears good, don't try the I/O port
+ * again by clearing its value. Increment 'ioport'
+ * for the next iteration.
+ */
+ asc_ioport[ioport++] = 0;
+ }
+ }
+#endif /* CONFIG_ISA */
+ break;
+
+ case ASC_IS_EISA:
+#ifdef CONFIG_ISA
+ iop = AscSearchIOPortAddr(iop, asc_bus[bus]);
+#endif /* CONFIG_ISA */
+ break;
+
+ default:
+ ASC_PRINT1("advansys_detect: unknown bus type: %d\n",
+ asc_bus[bus]);
+ break;
+ }
+ ASC_DBG1(1, "advansys_detect: iop 0x%x\n", iop);
+
+ if (iop == 0)
+ break;
+
+ advansys_board_found(iop, NULL, asc_bus[bus]);
+ }
+ }
+
+ ASC_DBG1(1, "advansys_detect: done: asc_board_count %d\n", asc_board_count);
+ return asc_board_count;
+}
+
+/*
+ * advansys_release()
+ *
+ * Release resources allocated for a single AdvanSys adapter.
+ */
+static int
+advansys_release(struct Scsi_Host *shp)
+{
+ asc_board_t *boardp;
+
+ ASC_DBG(1, "advansys_release: begin\n");
+ boardp = ASC_BOARDP(shp);
+ free_irq(shp->irq, boardp);
+ if (shp->dma_channel != NO_ISA_DMA) {
+ ASC_DBG(1, "advansys_release: free_dma()\n");
+ free_dma(shp->dma_channel);
+ }
+ release_region(shp->io_port, boardp->asc_n_io_port);
+ if (ASC_WIDE_BOARD(boardp)) {
+ adv_sgblk_t *sgp = NULL;
+
+ iounmap(boardp->ioremap_addr);
+ kfree(boardp->orig_carrp);
+ boardp->orig_carrp = NULL;
+ if (boardp->orig_reqp) {
+ kfree(boardp->orig_reqp);
+ boardp->orig_reqp = boardp->adv_reqp = NULL;
+ }
+ while ((sgp = boardp->adv_sgblkp) != NULL)
+ {
+ boardp->adv_sgblkp = sgp->next_sgblkp;
+ kfree(sgp);
+ }
+ }
+#ifdef CONFIG_PROC_FS
+ ASC_ASSERT(boardp->prtbuf != NULL);
+ kfree(boardp->prtbuf);
+#endif /* CONFIG_PROC_FS */
+ scsi_host_put(shp);
+ ASC_DBG(1, "advansys_release: end\n");
+ return 0;
+}
/* PCI Devices supported by this driver */
static struct pci_device_id advansys_pci_tbl[] __devinitdata = {
@@ -18054,7 +17976,7 @@ static int __devinit advansys_pci_probe(struct pci_dev *pdev,
int err, ioport;
ioport = pci_resource_start(pdev, 0);
- err = advansys_board_found(&driver_template, ioport, pdev, ASC_IS_PCI);
+ err = advansys_board_found(ioport, pdev, ASC_IS_PCI);
return err;
}
@@ -18098,9 +18020,10 @@ static struct pci_driver advansys_pci_driver = {
static int __init advansys_init(void)
{
int error;
+
error = pci_register_driver(&advansys_pci_driver);
if (!error)
- advansys_detect(&driver_template);
+ advansys_detect();
return error;
}
--
1.4.4.4
next prev parent reply other threads:[~2007-07-16 23:13 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-16 20:28 advansys cleanup Matthew Wilcox
2007-07-16 22:41 ` [PATCH 1/4] advansys: Create advansys_board_found() Matthew Wilcox
2007-07-16 22:41 ` [PATCH 2/4] advansys: Clean up proc_info implementation Matthew Wilcox
2007-07-16 22:41 ` [PATCH 3/4] advansys: Convert to pci_register_driver interface Matthew Wilcox
2007-07-16 22:41 ` Matthew Wilcox [this message]
2007-07-17 14:24 ` advansys cleanup Matthew Wilcox
2007-07-17 15:36 ` Ken Witherow
2007-07-17 16:37 ` Matthew Wilcox
2007-07-17 20:05 ` Ken Witherow
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