[SCSI] ips: remove kernel 2.4 code (c6a6c81c) · Commits · github.com / kvm-riscv / linux

drivers/scsi/ips.c

+18 −127

Original line number	Diff line number	Diff line
		@@ -211,19 +211,6 @@ module_param(ips, charp, 0);
		#warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
		#endif

		#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0)
		#include <linux/blk.h>
		#include "sd.h"
		#define IPS_LOCK_SAVE(lock,flags) spin_lock_irqsave(&io_request_lock,flags)
		#define IPS_UNLOCK_RESTORE(lock,flags) spin_unlock_irqrestore(&io_request_lock,flags)
		#ifndef __devexit_p
		#define __devexit_p(x) x
		#endif
		#else
		#define IPS_LOCK_SAVE(lock,flags) do{spin_lock(lock);(void)flags;}while(0)
		#define IPS_UNLOCK_RESTORE(lock,flags) do{spin_unlock(lock);(void)flags;}while(0)
		#endif

		#define IPS_DMA_DIR(scb) ((!scb->scsi_cmd \|\| ips_is_passthru(scb->scsi_cmd) \|\| \
		DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
		PCI_DMA_BIDIRECTIONAL : \
		@@ -381,24 +368,13 @@ static struct scsi_host_template ips_driver_template = {
		.eh_abort_handler = ips_eh_abort,
		.eh_host_reset_handler = ips_eh_reset,
		.proc_name = "ips",
		#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
		.proc_info = ips_proc_info,
		.slave_configure = ips_slave_configure,
		#else
		.proc_info = ips_proc24_info,
		.select_queue_depths = ips_select_queue_depth,
		#endif
		.bios_param = ips_biosparam,
		.this_id = -1,
		.sg_tablesize = IPS_MAX_SG,
		.cmd_per_lun = 3,
		.use_clustering = ENABLE_CLUSTERING,
		#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
		.use_new_eh_code = 1,
		#endif
		#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) && LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
		.highmem_io = 1,
		#endif
		};


		@@ -731,7 +707,7 @@ ips_release(struct Scsi_Host *sh)
		/* free IRQ */
		free_irq(ha->irq, ha);

		IPS_REMOVE_HOST(sh);
		scsi_remove_host(sh);
		scsi_host_put(sh);

		ips_released_controllers++;
		@@ -813,7 +789,6 @@ int ips_eh_abort(struct scsi_cmnd *SC)
		ips_ha_t *ha;
		ips_copp_wait_item_t *item;
		int ret;
		unsigned long cpu_flags;
		struct Scsi_Host *host;

		METHOD_TRACE("ips_eh_abort", 1);
		@@ -830,7 +805,7 @@ int ips_eh_abort(struct scsi_cmnd *SC)
		if (!ha->active)
		return (FAILED);

		IPS_LOCK_SAVE(host->host_lock, cpu_flags);
		spin_lock(host->host_lock);

		/* See if the command is on the copp queue */
		item = ha->copp_waitlist.head;
		@@ -851,7 +826,7 @@ int ips_eh_abort(struct scsi_cmnd *SC)
		ret = (FAILED);
		}

		IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
		spin_unlock(host->host_lock);
		return ret;
		}

		@@ -1176,18 +1151,10 @@ static int ips_queue(struct scsi_cmnd SC, void (done) (struct scsi_cmnd *))
		/* Set bios geometry for the controller */
		/* */
		/****************************************************************************/
		static int
		#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
		ips_biosparam(Disk * disk, kdev_t dev, int geom[])
		{
		ips_ha_t ha = (ips_ha_t ) disk->device->host->hostdata;
		unsigned long capacity = disk->capacity;
		#else
		ips_biosparam(struct scsi_device sdev, struct block_device bdev,
		static int ips_biosparam(struct scsi_device sdev, struct block_device bdev,
		sector_t capacity, int geom[])
		{
		ips_ha_t ha = (ips_ha_t ) sdev->host->hostdata;
		#endif
		int heads;
		int sectors;
		int cylinders;
		@@ -1225,70 +1192,6 @@ ips_biosparam(struct scsi_device sdev, struct block_device bdev,
		return (0);
		}

		#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)

		/* ips_proc24_info is a wrapper around ips_proc_info *
		* for compatibility with the 2.4 scsi parameters */
		static int
		ips_proc24_info(char buffer, char *start, off_t offset, int length,
		int hostno, int func)
		{
		int i;

		for (i = 0; i < ips_next_controller; i++) {
		if (ips_sh[i] && ips_sh[i]->host_no == hostno) {
		return ips_proc_info(ips_sh[i], buffer, start,
		offset, length, func);
		}
		}
		return -EINVAL;
		}

		/****************************************************************************/
		/* */
		/* Routine Name: ips_select_queue_depth */
		/* */
		/* Routine Description: */
		/* */
		/* Select queue depths for the devices on the contoller */
		/* */
		/****************************************************************************/
		static void
		ips_select_queue_depth(struct Scsi_Host host, struct scsi_device scsi_devs)
		{
		struct scsi_device *device;
		ips_ha_t *ha;
		int count = 0;
		int min;

		ha = IPS_HA(host);
		min = ha->max_cmds / 4;

		for (device = scsi_devs; device; device = device->next) {
		if (device->host == host) {
		if ((device->channel == 0) && (device->type == 0))
		count++;
		}
		}

		for (device = scsi_devs; device; device = device->next) {
		if (device->host == host) {
		if ((device->channel == 0) && (device->type == 0)) {
		device->queue_depth =
		(ha->max_cmds - 1) / count;
		if (device->queue_depth < min)
		device->queue_depth = min;
		} else {
		device->queue_depth = 2;
		}

		if (device->queue_depth < 2)
		device->queue_depth = 2;
		}
		}
		}

		#else
		/****************************************************************************/
		/* */
		/* Routine Name: ips_slave_configure */
		@@ -1316,7 +1219,6 @@ ips_slave_configure(struct scsi_device * SDptr)
		SDptr->skip_ms_page_3f = 1;
		return 0;
		}
		#endif

		/****************************************************************************/
		/* */
		@@ -1331,7 +1233,6 @@ static irqreturn_t
		do_ipsintr(int irq, void *dev_id)
		{
		ips_ha_t *ha;
		unsigned long cpu_flags;
		struct Scsi_Host *host;
		int irqstatus;

		@@ -1347,16 +1248,16 @@ do_ipsintr(int irq, void *dev_id)
		return IRQ_HANDLED;
		}

		IPS_LOCK_SAVE(host->host_lock, cpu_flags);
		spin_lock(host->host_lock);

		if (!ha->active) {
		IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
		spin_unlock(host->host_lock);
		return IRQ_HANDLED;
		}

		irqstatus = (*ha->func.intr) (ha);

		IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
		spin_unlock(host->host_lock);

		/* start the next command */
		ips_next(ha, IPS_INTR_ON);
		@@ -2730,7 +2631,6 @@ ips_next(ips_ha_t * ha, int intr)
		struct scsi_cmnd *q;
		ips_copp_wait_item_t *item;
		int ret;
		unsigned long cpu_flags = 0;
		struct Scsi_Host *host;
		METHOD_TRACE("ips_next", 1);

		@@ -2742,7 +2642,7 @@ ips_next(ips_ha_t * ha, int intr)
		* this command won't time out
		*/
		if (intr == IPS_INTR_ON)
		IPS_LOCK_SAVE(host->host_lock, cpu_flags);
		spin_lock(host->host_lock);

		if ((ha->subsys->param[3] & 0x300000)
		&& (ha->scb_activelist.count == 0)) {
		@@ -2769,14 +2669,14 @@ ips_next(ips_ha_t * ha, int intr)
		item = ips_removeq_copp_head(&ha->copp_waitlist);
		ha->num_ioctl++;
		if (intr == IPS_INTR_ON)
		IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
		spin_unlock(host->host_lock);
		scb->scsi_cmd = item->scsi_cmd;
		kfree(item);

		ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);

		if (intr == IPS_INTR_ON)
		IPS_LOCK_SAVE(host->host_lock, cpu_flags);
		spin_lock(host->host_lock);
		switch (ret) {
		case IPS_FAILURE:
		if (scb->scsi_cmd) {
		@@ -2846,7 +2746,7 @@ ips_next(ips_ha_t * ha, int intr)
		SC = ips_removeq_wait(&ha->scb_waitlist, q);

		if (intr == IPS_INTR_ON)
		IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); /* Unlock HA after command is taken off queue */
		spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */

		SC->result = DID_OK;
		SC->host_scribble = NULL;
		@@ -2919,7 +2819,7 @@ ips_next(ips_ha_t * ha, int intr)
		scb->dcdb.transfer_length = 0;
		}
		if (intr == IPS_INTR_ON)
		IPS_LOCK_SAVE(host->host_lock, cpu_flags);
		spin_lock(host->host_lock);

		ret = ips_send_cmd(ha, scb);

		@@ -2958,7 +2858,7 @@ ips_next(ips_ha_t * ha, int intr)
		} /* end while */

		if (intr == IPS_INTR_ON)
		IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
		spin_unlock(host->host_lock);
		}

		/****************************************************************************/
		@@ -7004,7 +6904,6 @@ ips_register_scsi(int index)
		kfree(oldha);
		ips_sh[index] = sh;
		ips_ha[index] = ha;
		IPS_SCSI_SET_DEVICE(sh, ha);

		/* Store away needed values for later use */
		sh->io_port = ha->io_addr;
		@@ -7016,17 +6915,16 @@ ips_register_scsi(int index)
		sh->cmd_per_lun = sh->hostt->cmd_per_lun;
		sh->unchecked_isa_dma = sh->hostt->unchecked_isa_dma;
		sh->use_clustering = sh->hostt->use_clustering;

		#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,7)
		sh->max_sectors = 128;
		#endif

		sh->max_id = ha->ntargets;
		sh->max_lun = ha->nlun;
		sh->max_channel = ha->nbus - 1;
		sh->can_queue = ha->max_cmds - 1;

		IPS_ADD_HOST(sh, NULL);
		scsi_add_host(sh, NULL);
		scsi_scan_host(sh);

		return 0;
		}

		@@ -7069,7 +6967,7 @@ ips_module_init(void)
		return -ENODEV;
		ips_driver_template.module = THIS_MODULE;
		ips_order_controllers();
		if (IPS_REGISTER_HOSTS(&ips_driver_template)) {
		if (!ips_detect(&ips_driver_template)) {
		pci_unregister_driver(&ips_pci_driver);
		return -ENODEV;
		}
		@@ -7087,7 +6985,6 @@ ips_module_init(void)
		static void __exit
		ips_module_exit(void)
		{
		IPS_UNREGISTER_HOSTS(&ips_driver_template);
		pci_unregister_driver(&ips_pci_driver);
		unregister_reboot_notifier(&ips_notifier);
		}
		@@ -7443,15 +7340,9 @@ ips_init_phase2(int index)
		return SUCCESS;
		}

		#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,9)
		MODULE_LICENSE("GPL");
		#endif

		MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);

		#ifdef MODULE_VERSION
		MODULE_VERSION(IPS_VER_STRING);
		#endif


		/*

drivers/scsi/ips.h

+2 −42

Original line number	Diff line number	Diff line
		@@ -58,10 +58,6 @@
		/*
		* Some handy macros
		*/
		#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) \|\| defined CONFIG_HIGHIO
		#define IPS_HIGHIO
		#endif

		#define IPS_HA(x) ((ips_ha_t *) x->hostdata)
		#define IPS_COMMAND_ID(ha, scb) (int) (scb - ha->scbs)
		#define IPS_IS_TROMBONE(ha) (((ha->device_id == IPS_DEVICEID_COPPERHEAD) && \
		@@ -84,38 +80,8 @@
		#define IPS_SGLIST_SIZE(ha) (IPS_USE_ENH_SGLIST(ha) ? \
		sizeof(IPS_ENH_SG_LIST) : sizeof(IPS_STD_SG_LIST))

		#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,4)
		#define pci_set_dma_mask(dev,mask) ( mask > 0xffffffff ? 1:0 )
		#define scsi_set_pci_device(sh,dev) (0)
		#endif

		#ifndef IRQ_NONE
		typedef void irqreturn_t;
		#define IRQ_NONE
		#define IRQ_HANDLED
		#define IRQ_RETVAL(x)
		#endif

		#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
		#define IPS_REGISTER_HOSTS(SHT) scsi_register_module(MODULE_SCSI_HA,SHT)
		#define IPS_UNREGISTER_HOSTS(SHT) scsi_unregister_module(MODULE_SCSI_HA,SHT)
		#define IPS_ADD_HOST(shost,device)
		#define IPS_REMOVE_HOST(shost)
		#define IPS_SCSI_SET_DEVICE(sh,ha) scsi_set_pci_device(sh, (ha)->pcidev)
		#define IPS_PRINTK(level, pcidev, format, arg...) \
		printk(level "%s %s:" format , "ips" , \
		(pcidev)->slot_name , ## arg)
		#define scsi_host_alloc(sh,size) scsi_register(sh,size)
		#define scsi_host_put(sh) scsi_unregister(sh)
		#else
		#define IPS_REGISTER_HOSTS(SHT) (!ips_detect(SHT))
		#define IPS_UNREGISTER_HOSTS(SHT)
		#define IPS_ADD_HOST(shost,device) do { scsi_add_host(shost,device); scsi_scan_host(shost); } while (0)
		#define IPS_REMOVE_HOST(shost) scsi_remove_host(shost)
		#define IPS_SCSI_SET_DEVICE(sh,ha) do { } while (0)
		#define IPS_PRINTK(level, pcidev, format, arg...) \
		dev_printk(level , &((pcidev)->dev) , format , ## arg)
		#endif

		#define MDELAY(n) \
		do { \
		@@ -134,7 +100,7 @@
		#define pci_dma_hi32(a) ((a >> 16) >> 16)
		#define pci_dma_lo32(a) (a & 0xffffffff)

		#if (BITS_PER_LONG > 32) \|\| (defined CONFIG_HIGHMEM64G && defined IPS_HIGHIO)
		#if (BITS_PER_LONG > 32) \|\| defined(CONFIG_HIGHMEM64G)
		#define IPS_ENABLE_DMA64 (1)
		#else
		#define IPS_ENABLE_DMA64 (0)
		@@ -451,16 +417,10 @@
		/*
		* Scsi_Host Template
		*/
		#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
		static int ips_proc24_info(char , char *, off_t, int, int, int);
		static void ips_select_queue_depth(struct Scsi_Host , struct scsi_device );
		static int ips_biosparam(Disk *disk, kdev_t dev, int geom[]);
		#else
		static int ips_proc_info(struct Scsi_Host , char , char **, off_t, int, int);
		static int ips_biosparam(struct scsi_device sdev, struct block_device bdev,
		sector_t capacity, int geom[]);
		static int ips_slave_configure(struct scsi_device *SDptr);
		#endif

		/*
		* Raid Command Formats