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path: root/drivers/block/cciss.c
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Diffstat (limited to 'drivers/block/cciss.c')
-rw-r--r--drivers/block/cciss.c90
1 files changed, 43 insertions, 47 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 6526157edafc..ade58bc8f3c4 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -181,8 +181,8 @@ static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol,
181 sector_t total_size, 181 sector_t total_size,
182 unsigned int block_size, InquiryData_struct *inq_buff, 182 unsigned int block_size, InquiryData_struct *inq_buff,
183 drive_info_struct *drv); 183 drive_info_struct *drv);
184static void __devinit cciss_interrupt_mode(ctlr_info_t *); 184static void cciss_interrupt_mode(ctlr_info_t *);
185static int __devinit cciss_enter_simple_mode(struct ctlr_info *h); 185static int cciss_enter_simple_mode(struct ctlr_info *h);
186static void start_io(ctlr_info_t *h); 186static void start_io(ctlr_info_t *h);
187static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size, 187static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size,
188 __u8 page_code, unsigned char scsi3addr[], 188 __u8 page_code, unsigned char scsi3addr[],
@@ -199,14 +199,13 @@ static void cciss_device_release(struct device *dev);
199static void cciss_free_gendisk(ctlr_info_t *h, int drv_index); 199static void cciss_free_gendisk(ctlr_info_t *h, int drv_index);
200static void cciss_free_drive_info(ctlr_info_t *h, int drv_index); 200static void cciss_free_drive_info(ctlr_info_t *h, int drv_index);
201static inline u32 next_command(ctlr_info_t *h); 201static inline u32 next_command(ctlr_info_t *h);
202static int __devinit cciss_find_cfg_addrs(struct pci_dev *pdev, 202static int cciss_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr,
203 void __iomem *vaddr, u32 *cfg_base_addr, u64 *cfg_base_addr_index, 203 u32 *cfg_base_addr, u64 *cfg_base_addr_index,
204 u64 *cfg_offset); 204 u64 *cfg_offset);
205static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev, 205static int cciss_pci_find_memory_BAR(struct pci_dev *pdev,
206 unsigned long *memory_bar); 206 unsigned long *memory_bar);
207static inline u32 cciss_tag_discard_error_bits(ctlr_info_t *h, u32 tag); 207static inline u32 cciss_tag_discard_error_bits(ctlr_info_t *h, u32 tag);
208static __devinit int write_driver_ver_to_cfgtable( 208static int write_driver_ver_to_cfgtable(CfgTable_struct __iomem *cfgtable);
209 CfgTable_struct __iomem *cfgtable);
210 209
211/* performant mode helper functions */ 210/* performant mode helper functions */
212static void calc_bucket_map(int *bucket, int num_buckets, int nsgs, 211static void calc_bucket_map(int *bucket, int num_buckets, int nsgs,
@@ -550,7 +549,7 @@ static const struct file_operations cciss_proc_fops = {
550 .write = cciss_proc_write, 549 .write = cciss_proc_write,
551}; 550};
552 551
553static void __devinit cciss_procinit(ctlr_info_t *h) 552static void cciss_procinit(ctlr_info_t *h)
554{ 553{
555 struct proc_dir_entry *pde; 554 struct proc_dir_entry *pde;
556 555
@@ -2663,8 +2662,8 @@ static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
2663 return status; 2662 return status;
2664} 2663}
2665 2664
2666static int __devinit cciss_send_reset(ctlr_info_t *h, unsigned char *scsi3addr, 2665static int cciss_send_reset(ctlr_info_t *h, unsigned char *scsi3addr,
2667 u8 reset_type) 2666 u8 reset_type)
2668{ 2667{
2669 CommandList_struct *c; 2668 CommandList_struct *c;
2670 int return_status; 2669 int return_status;
@@ -3919,7 +3918,7 @@ static void calc_bucket_map(int bucket[], int num_buckets,
3919 } 3918 }
3920} 3919}
3921 3920
3922static void __devinit cciss_wait_for_mode_change_ack(ctlr_info_t *h) 3921static void cciss_wait_for_mode_change_ack(ctlr_info_t *h)
3923{ 3922{
3924 int i; 3923 int i;
3925 3924
@@ -3933,8 +3932,7 @@ static void __devinit cciss_wait_for_mode_change_ack(ctlr_info_t *h)
3933 } 3932 }
3934} 3933}
3935 3934
3936static __devinit void cciss_enter_performant_mode(ctlr_info_t *h, 3935static void cciss_enter_performant_mode(ctlr_info_t *h, u32 use_short_tags)
3937 u32 use_short_tags)
3938{ 3936{
3939 /* This is a bit complicated. There are 8 registers on 3937 /* This is a bit complicated. There are 8 registers on
3940 * the controller which we write to to tell it 8 different 3938 * the controller which we write to to tell it 8 different
@@ -4000,7 +3998,7 @@ static __devinit void cciss_enter_performant_mode(ctlr_info_t *h,
4000 " performant mode\n"); 3998 " performant mode\n");
4001} 3999}
4002 4000
4003static void __devinit cciss_put_controller_into_performant_mode(ctlr_info_t *h) 4001static void cciss_put_controller_into_performant_mode(ctlr_info_t *h)
4004{ 4002{
4005 __u32 trans_support; 4003 __u32 trans_support;
4006 4004
@@ -4062,7 +4060,7 @@ clean_up:
4062 * controllers that are capable. If not, we use IO-APIC mode. 4060 * controllers that are capable. If not, we use IO-APIC mode.
4063 */ 4061 */
4064 4062
4065static void __devinit cciss_interrupt_mode(ctlr_info_t *h) 4063static void cciss_interrupt_mode(ctlr_info_t *h)
4066{ 4064{
4067#ifdef CONFIG_PCI_MSI 4065#ifdef CONFIG_PCI_MSI
4068 int err; 4066 int err;
@@ -4108,7 +4106,7 @@ default_int_mode:
4108 return; 4106 return;
4109} 4107}
4110 4108
4111static int __devinit cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id) 4109static int cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
4112{ 4110{
4113 int i; 4111 int i;
4114 u32 subsystem_vendor_id, subsystem_device_id; 4112 u32 subsystem_vendor_id, subsystem_device_id;
@@ -4134,8 +4132,8 @@ static inline bool cciss_board_disabled(ctlr_info_t *h)
4134 return ((command & PCI_COMMAND_MEMORY) == 0); 4132 return ((command & PCI_COMMAND_MEMORY) == 0);
4135} 4133}
4136 4134
4137static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev, 4135static int cciss_pci_find_memory_BAR(struct pci_dev *pdev,
4138 unsigned long *memory_bar) 4136 unsigned long *memory_bar)
4139{ 4137{
4140 int i; 4138 int i;
4141 4139
@@ -4151,8 +4149,8 @@ static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev,
4151 return -ENODEV; 4149 return -ENODEV;
4152} 4150}
4153 4151
4154static int __devinit cciss_wait_for_board_state(struct pci_dev *pdev, 4152static int cciss_wait_for_board_state(struct pci_dev *pdev,
4155 void __iomem *vaddr, int wait_for_ready) 4153 void __iomem *vaddr, int wait_for_ready)
4156#define BOARD_READY 1 4154#define BOARD_READY 1
4157#define BOARD_NOT_READY 0 4155#define BOARD_NOT_READY 0
4158{ 4156{
@@ -4179,9 +4177,9 @@ static int __devinit cciss_wait_for_board_state(struct pci_dev *pdev,
4179 return -ENODEV; 4177 return -ENODEV;
4180} 4178}
4181 4179
4182static int __devinit cciss_find_cfg_addrs(struct pci_dev *pdev, 4180static int cciss_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr,
4183 void __iomem *vaddr, u32 *cfg_base_addr, u64 *cfg_base_addr_index, 4181 u32 *cfg_base_addr, u64 *cfg_base_addr_index,
4184 u64 *cfg_offset) 4182 u64 *cfg_offset)
4185{ 4183{
4186 *cfg_base_addr = readl(vaddr + SA5_CTCFG_OFFSET); 4184 *cfg_base_addr = readl(vaddr + SA5_CTCFG_OFFSET);
4187 *cfg_offset = readl(vaddr + SA5_CTMEM_OFFSET); 4185 *cfg_offset = readl(vaddr + SA5_CTMEM_OFFSET);
@@ -4195,7 +4193,7 @@ static int __devinit cciss_find_cfg_addrs(struct pci_dev *pdev,
4195 return 0; 4193 return 0;
4196} 4194}
4197 4195
4198static int __devinit cciss_find_cfgtables(ctlr_info_t *h) 4196static int cciss_find_cfgtables(ctlr_info_t *h)
4199{ 4197{
4200 u64 cfg_offset; 4198 u64 cfg_offset;
4201 u32 cfg_base_addr; 4199 u32 cfg_base_addr;
@@ -4224,7 +4222,7 @@ static int __devinit cciss_find_cfgtables(ctlr_info_t *h)
4224 return 0; 4222 return 0;
4225} 4223}
4226 4224
4227static void __devinit cciss_get_max_perf_mode_cmds(struct ctlr_info *h) 4225static void cciss_get_max_perf_mode_cmds(struct ctlr_info *h)
4228{ 4226{
4229 h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands)); 4227 h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
4230 4228
@@ -4245,7 +4243,7 @@ static void __devinit cciss_get_max_perf_mode_cmds(struct ctlr_info *h)
4245 * max commands, max SG elements without chaining, and with chaining, 4243 * max commands, max SG elements without chaining, and with chaining,
4246 * SG chain block size, etc. 4244 * SG chain block size, etc.
4247 */ 4245 */
4248static void __devinit cciss_find_board_params(ctlr_info_t *h) 4246static void cciss_find_board_params(ctlr_info_t *h)
4249{ 4247{
4250 cciss_get_max_perf_mode_cmds(h); 4248 cciss_get_max_perf_mode_cmds(h);
4251 h->nr_cmds = h->max_commands - 4 - cciss_tape_cmds; 4249 h->nr_cmds = h->max_commands - 4 - cciss_tape_cmds;
@@ -4304,7 +4302,7 @@ static inline void cciss_p600_dma_prefetch_quirk(ctlr_info_t *h)
4304 pci_write_config_dword(h->pdev, PCI_COMMAND_PARITY, dma_refetch); 4302 pci_write_config_dword(h->pdev, PCI_COMMAND_PARITY, dma_refetch);
4305} 4303}
4306 4304
4307static int __devinit cciss_pci_init(ctlr_info_t *h) 4305static int cciss_pci_init(ctlr_info_t *h)
4308{ 4306{
4309 int prod_index, err; 4307 int prod_index, err;
4310 4308
@@ -4424,7 +4422,8 @@ static void free_hba(ctlr_info_t *h)
4424} 4422}
4425 4423
4426/* Send a message CDB to the firmware. */ 4424/* Send a message CDB to the firmware. */
4427static __devinit int cciss_message(struct pci_dev *pdev, unsigned char opcode, unsigned char type) 4425static int cciss_message(struct pci_dev *pdev, unsigned char opcode,
4426 unsigned char type)
4428{ 4427{
4429 typedef struct { 4428 typedef struct {
4430 CommandListHeader_struct CommandHeader; 4429 CommandListHeader_struct CommandHeader;
@@ -4571,14 +4570,13 @@ static int cciss_controller_hard_reset(struct pci_dev *pdev,
4571 return 0; 4570 return 0;
4572} 4571}
4573 4572
4574static __devinit void init_driver_version(char *driver_version, int len) 4573static void init_driver_version(char *driver_version, int len)
4575{ 4574{
4576 memset(driver_version, 0, len); 4575 memset(driver_version, 0, len);
4577 strncpy(driver_version, "cciss " DRIVER_NAME, len - 1); 4576 strncpy(driver_version, "cciss " DRIVER_NAME, len - 1);
4578} 4577}
4579 4578
4580static __devinit int write_driver_ver_to_cfgtable( 4579static int write_driver_ver_to_cfgtable(CfgTable_struct __iomem *cfgtable)
4581 CfgTable_struct __iomem *cfgtable)
4582{ 4580{
4583 char *driver_version; 4581 char *driver_version;
4584 int i, size = sizeof(cfgtable->driver_version); 4582 int i, size = sizeof(cfgtable->driver_version);
@@ -4594,8 +4592,8 @@ static __devinit int write_driver_ver_to_cfgtable(
4594 return 0; 4592 return 0;
4595} 4593}
4596 4594
4597static __devinit void read_driver_ver_from_cfgtable( 4595static void read_driver_ver_from_cfgtable(CfgTable_struct __iomem *cfgtable,
4598 CfgTable_struct __iomem *cfgtable, unsigned char *driver_ver) 4596 unsigned char *driver_ver)
4599{ 4597{
4600 int i; 4598 int i;
4601 4599
@@ -4603,8 +4601,7 @@ static __devinit void read_driver_ver_from_cfgtable(
4603 driver_ver[i] = readb(&cfgtable->driver_version[i]); 4601 driver_ver[i] = readb(&cfgtable->driver_version[i]);
4604} 4602}
4605 4603
4606static __devinit int controller_reset_failed( 4604static int controller_reset_failed(CfgTable_struct __iomem *cfgtable)
4607 CfgTable_struct __iomem *cfgtable)
4608{ 4605{
4609 4606
4610 char *driver_ver, *old_driver_ver; 4607 char *driver_ver, *old_driver_ver;
@@ -4627,7 +4624,7 @@ static __devinit int controller_reset_failed(
4627 4624
4628/* This does a hard reset of the controller using PCI power management 4625/* This does a hard reset of the controller using PCI power management
4629 * states or using the doorbell register. */ 4626 * states or using the doorbell register. */
4630static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) 4627static int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
4631{ 4628{
4632 u64 cfg_offset; 4629 u64 cfg_offset;
4633 u32 cfg_base_addr; 4630 u32 cfg_base_addr;
@@ -4772,7 +4769,7 @@ unmap_vaddr:
4772 return rc; 4769 return rc;
4773} 4770}
4774 4771
4775static __devinit int cciss_init_reset_devices(struct pci_dev *pdev) 4772static int cciss_init_reset_devices(struct pci_dev *pdev)
4776{ 4773{
4777 int rc, i; 4774 int rc, i;
4778 4775
@@ -4806,7 +4803,7 @@ static __devinit int cciss_init_reset_devices(struct pci_dev *pdev)
4806 return 0; 4803 return 0;
4807} 4804}
4808 4805
4809static __devinit int cciss_allocate_cmd_pool(ctlr_info_t *h) 4806static int cciss_allocate_cmd_pool(ctlr_info_t *h)
4810{ 4807{
4811 h->cmd_pool_bits = kmalloc(BITS_TO_LONGS(h->nr_cmds) * 4808 h->cmd_pool_bits = kmalloc(BITS_TO_LONGS(h->nr_cmds) *
4812 sizeof(unsigned long), GFP_KERNEL); 4809 sizeof(unsigned long), GFP_KERNEL);
@@ -4825,7 +4822,7 @@ static __devinit int cciss_allocate_cmd_pool(ctlr_info_t *h)
4825 return 0; 4822 return 0;
4826} 4823}
4827 4824
4828static __devinit int cciss_allocate_scatterlists(ctlr_info_t *h) 4825static int cciss_allocate_scatterlists(ctlr_info_t *h)
4829{ 4826{
4830 int i; 4827 int i;
4831 4828
@@ -4893,7 +4890,7 @@ static int cciss_request_irq(ctlr_info_t *h,
4893 return -1; 4890 return -1;
4894} 4891}
4895 4892
4896static int __devinit cciss_kdump_soft_reset(ctlr_info_t *h) 4893static int cciss_kdump_soft_reset(ctlr_info_t *h)
4897{ 4894{
4898 if (cciss_send_reset(h, CTLR_LUNID, CCISS_RESET_TYPE_CONTROLLER)) { 4895 if (cciss_send_reset(h, CTLR_LUNID, CCISS_RESET_TYPE_CONTROLLER)) {
4899 dev_warn(&h->pdev->dev, "Resetting array controller failed.\n"); 4896 dev_warn(&h->pdev->dev, "Resetting array controller failed.\n");
@@ -4952,8 +4949,7 @@ static void cciss_undo_allocations_after_kdump_soft_reset(ctlr_info_t *h)
4952 * stealing all these major device numbers. 4949 * stealing all these major device numbers.
4953 * returns the number of block devices registered. 4950 * returns the number of block devices registered.
4954 */ 4951 */
4955static int __devinit cciss_init_one(struct pci_dev *pdev, 4952static int cciss_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
4956 const struct pci_device_id *ent)
4957{ 4953{
4958 int i; 4954 int i;
4959 int j = 0; 4955 int j = 0;
@@ -5207,7 +5203,7 @@ static void cciss_shutdown(struct pci_dev *pdev)
5207 free_irq(h->intr[h->intr_mode], h); 5203 free_irq(h->intr[h->intr_mode], h);
5208} 5204}
5209 5205
5210static int __devinit cciss_enter_simple_mode(struct ctlr_info *h) 5206static int cciss_enter_simple_mode(struct ctlr_info *h)
5211{ 5207{
5212 u32 trans_support; 5208 u32 trans_support;
5213 5209
@@ -5229,7 +5225,7 @@ static int __devinit cciss_enter_simple_mode(struct ctlr_info *h)
5229} 5225}
5230 5226
5231 5227
5232static void __devexit cciss_remove_one(struct pci_dev *pdev) 5228static void cciss_remove_one(struct pci_dev *pdev)
5233{ 5229{
5234 ctlr_info_t *h; 5230 ctlr_info_t *h;
5235 int i, j; 5231 int i, j;
@@ -5308,7 +5304,7 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
5308static struct pci_driver cciss_pci_driver = { 5304static struct pci_driver cciss_pci_driver = {
5309 .name = "cciss", 5305 .name = "cciss",
5310 .probe = cciss_init_one, 5306 .probe = cciss_init_one,
5311 .remove = __devexit_p(cciss_remove_one), 5307 .remove = cciss_remove_one,
5312 .id_table = cciss_pci_device_id, /* id_table */ 5308 .id_table = cciss_pci_device_id, /* id_table */
5313 .shutdown = cciss_shutdown, 5309 .shutdown = cciss_shutdown,
5314}; 5310};