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Commit e1eeb7f8 authored by Corey Minyard's avatar Corey Minyard
Browse files

ipmi_si: Move io setup into io structure 



Where it belongs, and getting ready for pulling the platform
handling into its own file.

Signed-off-by: default avatarCorey Minyard <cminyard@mvista.com>
parent 4f3e8199

drivers/char/ipmi/ipmi_si_intf.c

+81 −92
Original line number Original line Diff line number Diff line
@@ -173,9 +173,6 @@ struct smi_info { 
	 * IPMI

	 * IPMI

	 */

	 */

	struct si_sm_io io;

	struct si_sm_io io;

	int (*io_setup)(struct smi_info *info);

	void (*io_cleanup)(struct smi_info *info);

	unsigned int io_size;





	/*

	/*

	 * Per-OEM handler, called from handle_flags().  Returns 1

	 * Per-OEM handler, called from handle_flags().  Returns 1
@@ -1488,48 +1485,48 @@ static void port_outl(const struct si_sm_io *io, unsigned int offset, 
	outl(b << io->regshift, addr+(offset * io->regspacing));

	outl(b << io->regshift, addr+(offset * io->regspacing));

}

}





static void port_cleanup(struct smi_info *info)

static void port_cleanup(struct si_sm_io *io)

{

{

	unsigned int addr = info->io.addr_data;

	unsigned int addr = io->addr_data;

	int          idx;

	int          idx;





	if (addr) {

	if (addr) {

		for (idx = 0; idx < info->io_size; idx++)

		for (idx = 0; idx < io->io_size; idx++)

			release_region(addr + idx * info->io.regspacing,

			release_region(addr + idx * io->regspacing,

				       info->io.regsize);

				       io->regsize);

	}

	}

}

}





static int port_setup(struct smi_info *info)

static int port_setup(struct si_sm_io *io)

{

{

	unsigned int addr = info->io.addr_data;

	unsigned int addr = io->addr_data;

	int          idx;

	int          idx;





	if (!addr)

	if (!addr)

		return -ENODEV;

		return -ENODEV;





	info->io_cleanup = port_cleanup;

	io->io_cleanup = port_cleanup;





	/*

	/*

	 * Figure out the actual inb/inw/inl/etc routine to use based

	 * Figure out the actual inb/inw/inl/etc routine to use based

	 * upon the register size.

	 * upon the register size.

	 */

	 */

	switch (info->io.regsize) {

	switch (io->regsize) {

	case 1:

	case 1:

		info->io.inputb = port_inb;

		io->inputb = port_inb;

		info->io.outputb = port_outb;

		io->outputb = port_outb;

		break;

		break;

	case 2:

	case 2:

		info->io.inputb = port_inw;

		io->inputb = port_inw;

		info->io.outputb = port_outw;

		io->outputb = port_outw;

		break;

		break;

	case 4:

	case 4:

		info->io.inputb = port_inl;

		io->inputb = port_inl;

		info->io.outputb = port_outl;

		io->outputb = port_outl;

		break;

		break;

	default:

	default:

		dev_warn(info->io.dev, "Invalid register size: %d\n",

		dev_warn(io->dev, "Invalid register size: %d\n",

			 info->io.regsize);

			 io->regsize);

		return -EINVAL;

		return -EINVAL;

	}

	}
@@ -1539,13 +1536,13 @@ static int port_setup(struct smi_info *info) 
	 * entire I/O region.  Therefore we must register each I/O

	 * entire I/O region.  Therefore we must register each I/O

	 * port separately.

	 * port separately.

	 */

	 */

	for (idx = 0; idx < info->io_size; idx++) {

	for (idx = 0; idx < io->io_size; idx++) {

		if (request_region(addr + idx * info->io.regspacing,

		if (request_region(addr + idx * io->regspacing,

				   info->io.regsize, DEVICE_NAME) == NULL) {

				   io->regsize, DEVICE_NAME) == NULL) {

			/* Undo allocations */

			/* Undo allocations */

			while (idx--)

			while (idx--)

				release_region(addr + idx * info->io.regspacing,

				release_region(addr + idx * io->regspacing,

					       info->io.regsize);

					       io->regsize);

			return -EIO;

			return -EIO;

		}

		}

	}

	}
@@ -1604,60 +1601,60 @@ static void mem_outq(const struct si_sm_io *io, unsigned int offset, 
}

}

#endif

#endif





static void mem_region_cleanup(struct smi_info *info, int num)

static void mem_region_cleanup(struct si_sm_io *io, int num)

{

{

	unsigned long addr = info->io.addr_data;

	unsigned long addr = io->addr_data;

	int idx;

	int idx;





	for (idx = 0; idx < num; idx++)

	for (idx = 0; idx < num; idx++)

		release_mem_region(addr + idx * info->io.regspacing,

		release_mem_region(addr + idx * io->regspacing,

				   info->io.regsize);

				   io->regsize);

}

}





static void mem_cleanup(struct smi_info *info)

static void mem_cleanup(struct si_sm_io *io)

{

{

	if (info->io.addr) {

	if (io->addr) {

		iounmap(info->io.addr);

		iounmap(io->addr);

		mem_region_cleanup(info, info->io_size);

		mem_region_cleanup(io, io->io_size);

	}

	}

}

}





static int mem_setup(struct smi_info *info)

static int mem_setup(struct si_sm_io *io)

{

{

	unsigned long addr = info->io.addr_data;

	unsigned long addr = io->addr_data;

	int           mapsize, idx;

	int           mapsize, idx;





	if (!addr)

	if (!addr)

		return -ENODEV;

		return -ENODEV;





	info->io_cleanup = mem_cleanup;

	io->io_cleanup = mem_cleanup;





	/*

	/*

	 * Figure out the actual readb/readw/readl/etc routine to use based

	 * Figure out the actual readb/readw/readl/etc routine to use based

	 * upon the register size.

	 * upon the register size.

	 */

	 */

	switch (info->io.regsize) {

	switch (io->regsize) {

	case 1:

	case 1:

		info->io.inputb = intf_mem_inb;

		io->inputb = intf_mem_inb;

		info->io.outputb = intf_mem_outb;

		io->outputb = intf_mem_outb;

		break;

		break;

	case 2:

	case 2:

		info->io.inputb = intf_mem_inw;

		io->inputb = intf_mem_inw;

		info->io.outputb = intf_mem_outw;

		io->outputb = intf_mem_outw;

		break;

		break;

	case 4:

	case 4:

		info->io.inputb = intf_mem_inl;

		io->inputb = intf_mem_inl;

		info->io.outputb = intf_mem_outl;

		io->outputb = intf_mem_outl;

		break;

		break;

#ifdef readq

#ifdef readq

	case 8:

	case 8:

		info->io.inputb = mem_inq;

		io->inputb = mem_inq;

		info->io.outputb = mem_outq;

		io->outputb = mem_outq;

		break;

		break;

#endif

#endif

	default:

	default:

		dev_warn(info->io.dev, "Invalid register size: %d\n",

		dev_warn(io->dev, "Invalid register size: %d\n",

			 info->io.regsize);

			 io->regsize);

		return -EINVAL;

		return -EINVAL;

	}

	}
@@ -1667,11 +1664,11 @@ static int mem_setup(struct smi_info *info) 
	 * entire region.  Therefore we must request each register

	 * entire region.  Therefore we must request each register

	 * separately.

	 * separately.

	 */

	 */

	for (idx = 0; idx < info->io_size; idx++) {

	for (idx = 0; idx < io->io_size; idx++) {

		if (request_mem_region(addr + idx * info->io.regspacing,

		if (request_mem_region(addr + idx * io->regspacing,

				       info->io.regsize, DEVICE_NAME) == NULL) {

				       io->regsize, DEVICE_NAME) == NULL) {

			/* Undo allocations */

			/* Undo allocations */

			mem_region_cleanup(info, idx);

			mem_region_cleanup(io, idx);

			return -EIO;

			return -EIO;

		}

		}

	}

	}
@@ -1683,11 +1680,11 @@ static int mem_setup(struct smi_info *info) 
	 * between the first address to the end of the last full

	 * between the first address to the end of the last full

	 * register.

	 * register.

	 */

	 */

	mapsize = ((info->io_size * info->io.regspacing)

	mapsize = ((io->io_size * io->regspacing)

		   - (info->io.regspacing - info->io.regsize));

		   - (io->regspacing - io->regsize));

	info->io.addr = ioremap(addr, mapsize);

	io->addr = ioremap(addr, mapsize);

	if (info->io.addr == NULL) {

	if (io->addr == NULL) {

		mem_region_cleanup(info, info->io_size);

		mem_region_cleanup(io, io->io_size);

		return -EIO;

		return -EIO;

	}

	}

	return 0;

	return 0;
@@ -1903,10 +1900,6 @@ static int hotmod_handler(const char *val, struct kernel_param *kp) 
			info->io.si_type = si_type;

			info->io.si_type = si_type;

			info->io.addr_data = addr;

			info->io.addr_data = addr;

			info->io.addr_type = addr_space;

			info->io.addr_type = addr_space;

			if (addr_space == IPMI_MEM_ADDR_SPACE)

				info->io_setup = mem_setup;

			else

				info->io_setup = port_setup;





			info->io.addr = NULL;

			info->io.addr = NULL;

			info->io.regspacing = regspacing;

			info->io.regspacing = regspacing;
@@ -1987,12 +1980,10 @@ static int hardcode_find_bmc(void) 




		if (ports[i]) {

		if (ports[i]) {

			/* An I/O port */

			/* An I/O port */

			info->io_setup = port_setup;

			info->io.addr_data = ports[i];

			info->io.addr_data = ports[i];

			info->io.addr_type = IPMI_IO_ADDR_SPACE;

			info->io.addr_type = IPMI_IO_ADDR_SPACE;

		} else if (addrs[i]) {

		} else if (addrs[i]) {

			/* A memory port */

			/* A memory port */

			info->io_setup = mem_setup;

			info->io.addr_data = addrs[i];

			info->io.addr_data = addrs[i];

			info->io.addr_type = IPMI_MEM_ADDR_SPACE;

			info->io.addr_type = IPMI_MEM_ADDR_SPACE;

		} else {

		} else {
@@ -2192,10 +2183,8 @@ static int try_init_spmi(struct SPMITable *spmi) 
	info->io.regshift = spmi->addr.bit_offset;

	info->io.regshift = spmi->addr.bit_offset;





	if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {

	if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {

		info->io_setup = mem_setup;

		info->io.addr_type = IPMI_MEM_ADDR_SPACE;

		info->io.addr_type = IPMI_MEM_ADDR_SPACE;

	} else if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_IO) {

	} else if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_IO) {

		info->io_setup = port_setup;

		info->io.addr_type = IPMI_IO_ADDR_SPACE;

		info->io.addr_type = IPMI_IO_ADDR_SPACE;

	} else {

	} else {

		kfree(info);

		kfree(info);
@@ -2248,15 +2237,12 @@ ipmi_get_info_from_resources(struct platform_device *pdev, 




	res = platform_get_resource(pdev, IORESOURCE_IO, 0);

	res = platform_get_resource(pdev, IORESOURCE_IO, 0);

	if (res) {

	if (res) {

		info->io_setup = port_setup;

		info->io.addr_type = IPMI_IO_ADDR_SPACE;

		info->io.addr_type = IPMI_IO_ADDR_SPACE;

	} else {

	} else {

		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

		if (res) {

		if (res)

			info->io_setup = mem_setup;

			info->io.addr_type = IPMI_MEM_ADDR_SPACE;

			info->io.addr_type = IPMI_MEM_ADDR_SPACE;

	}

	}

	}

	if (!res) {

	if (!res) {

		dev_err(&pdev->dev, "no I/O or memory address\n");

		dev_err(&pdev->dev, "no I/O or memory address\n");

		return NULL;

		return NULL;
@@ -2389,13 +2375,13 @@ static int ipmi_pci_probe_regspacing(struct smi_info *info) 




		info->io.regsize = DEFAULT_REGSIZE;

		info->io.regsize = DEFAULT_REGSIZE;

		info->io.regshift = 0;

		info->io.regshift = 0;

		info->io_size = 2;

		info->io.io_size = 2;

		info->handlers = &kcs_smi_handlers;

		info->handlers = &kcs_smi_handlers;





		/* detect 1, 4, 16byte spacing */

		/* detect 1, 4, 16byte spacing */

		for (regspacing = DEFAULT_REGSPACING; regspacing <= 16;) {

		for (regspacing = DEFAULT_REGSPACING; regspacing <= 16;) {

			info->io.regspacing = regspacing;

			info->io.regspacing = regspacing;

			if (info->io_setup(info)) {

			if (info->io.io_setup(&info->io)) {

				dev_err(info->io.dev,

				dev_err(info->io.dev,

					"Could not setup I/O space\n");

					"Could not setup I/O space\n");

				return DEFAULT_REGSPACING;

				return DEFAULT_REGSPACING;
@@ -2404,7 +2390,7 @@ static int ipmi_pci_probe_regspacing(struct smi_info *info) 
			info->io.outputb(&info->io, 1, 0x10);

			info->io.outputb(&info->io, 1, 0x10);

			/* read status back */

			/* read status back */

			status = info->io.inputb(&info->io, 1);

			status = info->io.inputb(&info->io, 1);

			info->io_cleanup(info);

			info->io.io_cleanup(&info->io);

			if (status)

			if (status)

				return regspacing;

				return regspacing;

			regspacing *= 4;

			regspacing *= 4;
@@ -2456,13 +2442,10 @@ static int ipmi_pci_probe(struct pci_dev *pdev, 
	info->io.addr_source_cleanup = ipmi_pci_cleanup;

	info->io.addr_source_cleanup = ipmi_pci_cleanup;

	info->io.addr_source_data = pdev;

	info->io.addr_source_data = pdev;





	if (pci_resource_flags(pdev, 0) & IORESOURCE_IO) {

	if (pci_resource_flags(pdev, 0) & IORESOURCE_IO)

		info->io_setup = port_setup;

		info->io.addr_type = IPMI_IO_ADDR_SPACE;

		info->io.addr_type = IPMI_IO_ADDR_SPACE;

	} else {

	else

		info->io_setup = mem_setup;

		info->io.addr_type = IPMI_MEM_ADDR_SPACE;

		info->io.addr_type = IPMI_MEM_ADDR_SPACE;

	}

	info->io.addr_data = pci_resource_start(pdev, 0);

	info->io.addr_data = pci_resource_start(pdev, 0);





	info->io.regspacing = ipmi_pci_probe_regspacing(info);

	info->io.regspacing = ipmi_pci_probe_regspacing(info);
@@ -2577,13 +2560,10 @@ static int of_ipmi_probe(struct platform_device *pdev) 
	info->io.addr_source	= SI_DEVICETREE;

	info->io.addr_source	= SI_DEVICETREE;

	info->io.irq_setup	= ipmi_std_irq_setup;

	info->io.irq_setup	= ipmi_std_irq_setup;





	if (resource.flags & IORESOURCE_IO) {

	if (resource.flags & IORESOURCE_IO)

		info->io_setup		= port_setup;

		info->io.addr_type = IPMI_IO_ADDR_SPACE;

		info->io.addr_type = IPMI_IO_ADDR_SPACE;

	} else {

	else

		info->io_setup		= mem_setup;

		info->io.addr_type = IPMI_MEM_ADDR_SPACE;

		info->io.addr_type = IPMI_MEM_ADDR_SPACE;

	}





	info->io.addr_data	= resource.start;

	info->io.addr_data	= resource.start;
@@ -2794,7 +2774,6 @@ static int __init ipmi_parisc_probe(struct parisc_device *dev) 




	info->io.si_type	= SI_KCS;

	info->io.si_type	= SI_KCS;

	info->io.addr_source	= SI_DEVICETREE;

	info->io.addr_source	= SI_DEVICETREE;

	info->io_setup		= mem_setup;

	info->io.addr_type	= IPMI_MEM_ADDR_SPACE;

	info->io.addr_type	= IPMI_MEM_ADDR_SPACE;

	info->io.addr_data	= dev->hpa.start;

	info->io.addr_data	= dev->hpa.start;

	info->io.regsize	= 1;

	info->io.regsize	= 1;
@@ -3419,6 +3398,16 @@ int ipmi_si_add_smi(struct smi_info *new_smi) 
	int rv = 0;

	int rv = 0;

	struct smi_info *dup;

	struct smi_info *dup;





	if (!new_smi->io.io_setup) {

		if (new_smi->io.addr_type == IPMI_IO_ADDR_SPACE) {

			new_smi->io.io_setup = port_setup;

		} else if (new_smi->io.addr_type == IPMI_MEM_ADDR_SPACE) {

			new_smi->io.io_setup = mem_setup;

		} else {

			return -EINVAL;

		}

	}



	mutex_lock(&smi_infos_lock);

	mutex_lock(&smi_infos_lock);

	dup = find_dup_si(new_smi);

	dup = find_dup_si(new_smi);

	if (dup) {

	if (dup) {
@@ -3522,11 +3511,11 @@ static int try_smi_init(struct smi_info *new_smi) 
		rv = -ENOMEM;

		rv = -ENOMEM;

		goto out_err;

		goto out_err;

	}

	}

	new_smi->io_size = new_smi->handlers->init_data(new_smi->si_sm,

	new_smi->io.io_size = new_smi->handlers->init_data(new_smi->si_sm,

							   &new_smi->io);

							   &new_smi->io);





	/* Now that we know the I/O size, we can set up the I/O. */

	/* Now that we know the I/O size, we can set up the I/O. */

	rv = new_smi->io_setup(new_smi);

	rv = new_smi->io.io_setup(&new_smi->io);

	if (rv) {

	if (rv) {

		dev_err(new_smi->io.dev, "Could not set up I/O space\n");

		dev_err(new_smi->io.dev, "Could not set up I/O space\n");

		goto out_err;

		goto out_err;
@@ -3679,9 +3668,9 @@ static int try_smi_init(struct smi_info *new_smi) 
		new_smi->io.addr_source_cleanup(&new_smi->io);

		new_smi->io.addr_source_cleanup(&new_smi->io);

		new_smi->io.addr_source_cleanup = NULL;

		new_smi->io.addr_source_cleanup = NULL;

	}

	}

	if (new_smi->io_cleanup) {

	if (new_smi->io.io_cleanup) {

		new_smi->io_cleanup(new_smi);

		new_smi->io.io_cleanup(&new_smi->io);

		new_smi->io_cleanup = NULL;

		new_smi->io.io_cleanup = NULL;

	}

	}





	if (new_smi->pdev) {

	if (new_smi->pdev) {
@@ -3861,8 +3850,8 @@ static void cleanup_one_si(struct smi_info *to_clean) 




	if (to_clean->io.addr_source_cleanup)

	if (to_clean->io.addr_source_cleanup)

		to_clean->io.addr_source_cleanup(&to_clean->io);

		to_clean->io.addr_source_cleanup(&to_clean->io);

	if (to_clean->io_cleanup)

	if (to_clean->io.io_cleanup)

		to_clean->io_cleanup(to_clean);

		to_clean->io.io_cleanup(&to_clean->io);





	if (to_clean->pdev)

	if (to_clean->pdev)

		platform_device_unregister(to_clean->pdev);

		platform_device_unregister(to_clean->pdev);

drivers/char/ipmi/ipmi_si_sm.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -71,6 +71,10 @@ struct si_sm_io { 
	void (*addr_source_cleanup)(struct si_sm_io *io);

	void (*addr_source_cleanup)(struct si_sm_io *io);

	void *addr_source_data;

	void *addr_source_data;





	int (*io_setup)(struct si_sm_io *info);

	void (*io_cleanup)(struct si_sm_io *info);

	unsigned int io_size;



	int irq;

	int irq;

	int (*irq_setup)(struct si_sm_io *io);

	int (*irq_setup)(struct si_sm_io *io);

	void *irq_handler_data;

	void *irq_handler_data;