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path: root/drivers/block/cciss.c
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-rw-r--r--drivers/block/cciss.c66
1 files changed, 37 insertions, 29 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index f5521051a8dc..d81632cd7d06 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -106,35 +106,34 @@ MODULE_DEVICE_TABLE(pci, cciss_pci_device_id);
106/* board_id = Subsystem Device ID & Vendor ID 106/* board_id = Subsystem Device ID & Vendor ID
107 * product = Marketing Name for the board 107 * product = Marketing Name for the board
108 * access = Address of the struct of function pointers 108 * access = Address of the struct of function pointers
109 * nr_cmds = Number of commands supported by controller
110 */ 109 */
111static struct board_type products[] = { 110static struct board_type products[] = {
112 {0x40700E11, "Smart Array 5300", &SA5_access, 512}, 111 {0x40700E11, "Smart Array 5300", &SA5_access},
113 {0x40800E11, "Smart Array 5i", &SA5B_access, 512}, 112 {0x40800E11, "Smart Array 5i", &SA5B_access},
114 {0x40820E11, "Smart Array 532", &SA5B_access, 512}, 113 {0x40820E11, "Smart Array 532", &SA5B_access},
115 {0x40830E11, "Smart Array 5312", &SA5B_access, 512}, 114 {0x40830E11, "Smart Array 5312", &SA5B_access},
116 {0x409A0E11, "Smart Array 641", &SA5_access, 512}, 115 {0x409A0E11, "Smart Array 641", &SA5_access},
117 {0x409B0E11, "Smart Array 642", &SA5_access, 512}, 116 {0x409B0E11, "Smart Array 642", &SA5_access},
118 {0x409C0E11, "Smart Array 6400", &SA5_access, 512}, 117 {0x409C0E11, "Smart Array 6400", &SA5_access},
119 {0x409D0E11, "Smart Array 6400 EM", &SA5_access, 512}, 118 {0x409D0E11, "Smart Array 6400 EM", &SA5_access},
120 {0x40910E11, "Smart Array 6i", &SA5_access, 512}, 119 {0x40910E11, "Smart Array 6i", &SA5_access},
121 {0x3225103C, "Smart Array P600", &SA5_access, 512}, 120 {0x3225103C, "Smart Array P600", &SA5_access},
122 {0x3223103C, "Smart Array P800", &SA5_access, 512}, 121 {0x3223103C, "Smart Array P800", &SA5_access},
123 {0x3234103C, "Smart Array P400", &SA5_access, 512}, 122 {0x3234103C, "Smart Array P400", &SA5_access},
124 {0x3235103C, "Smart Array P400i", &SA5_access, 512}, 123 {0x3235103C, "Smart Array P400i", &SA5_access},
125 {0x3211103C, "Smart Array E200i", &SA5_access, 120}, 124 {0x3211103C, "Smart Array E200i", &SA5_access},
126 {0x3212103C, "Smart Array E200", &SA5_access, 120}, 125 {0x3212103C, "Smart Array E200", &SA5_access},
127 {0x3213103C, "Smart Array E200i", &SA5_access, 120}, 126 {0x3213103C, "Smart Array E200i", &SA5_access},
128 {0x3214103C, "Smart Array E200i", &SA5_access, 120}, 127 {0x3214103C, "Smart Array E200i", &SA5_access},
129 {0x3215103C, "Smart Array E200i", &SA5_access, 120}, 128 {0x3215103C, "Smart Array E200i", &SA5_access},
130 {0x3237103C, "Smart Array E500", &SA5_access, 512}, 129 {0x3237103C, "Smart Array E500", &SA5_access},
131 {0x323D103C, "Smart Array P700m", &SA5_access, 512}, 130 {0x323D103C, "Smart Array P700m", &SA5_access},
132 {0x3241103C, "Smart Array P212", &SA5_access, 384}, 131 {0x3241103C, "Smart Array P212", &SA5_access},
133 {0x3243103C, "Smart Array P410", &SA5_access, 384}, 132 {0x3243103C, "Smart Array P410", &SA5_access},
134 {0x3245103C, "Smart Array P410i", &SA5_access, 384}, 133 {0x3245103C, "Smart Array P410i", &SA5_access},
135 {0x3247103C, "Smart Array P411", &SA5_access, 384}, 134 {0x3247103C, "Smart Array P411", &SA5_access},
136 {0x3249103C, "Smart Array P812", &SA5_access, 384}, 135 {0x3249103C, "Smart Array P812", &SA5_access},
137 {0xFFFF103C, "Unknown Smart Array", &SA5_access, 120}, 136 {0xFFFF103C, "Unknown Smart Array", &SA5_access},
138}; 137};
139 138
140/* How long to wait (in milliseconds) for board to go into simple mode */ 139/* How long to wait (in milliseconds) for board to go into simple mode */
@@ -3086,11 +3085,20 @@ static int __devinit cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
3086 print_cfg_table(c->cfgtable); 3085 print_cfg_table(c->cfgtable);
3087#endif /* CCISS_DEBUG */ 3086#endif /* CCISS_DEBUG */
3088 3087
3088 /* Some controllers support Zero Memory Raid (ZMR).
3089 * When configured in ZMR mode the number of supported
3090 * commands drops to 64. So instead of just setting an
3091 * arbitrary value we make the driver a little smarter.
3092 * We read the config table to tell us how many commands
3093 * are supported on the controller then subtract 4 to
3094 * leave a little room for ioctl calls.
3095 */
3096 c->max_commands = readl(&(c->cfgtable->CmdsOutMax));
3089 for (i = 0; i < ARRAY_SIZE(products); i++) { 3097 for (i = 0; i < ARRAY_SIZE(products); i++) {
3090 if (board_id == products[i].board_id) { 3098 if (board_id == products[i].board_id) {
3091 c->product_name = products[i].product_name; 3099 c->product_name = products[i].product_name;
3092 c->access = *(products[i].access); 3100 c->access = *(products[i].access);
3093 c->nr_cmds = products[i].nr_cmds; 3101 c->nr_cmds = c->max_commands - 4;
3094 break; 3102 break;
3095 } 3103 }
3096 } 3104 }
@@ -3110,7 +3118,7 @@ static int __devinit cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
3110 if (subsystem_vendor_id == PCI_VENDOR_ID_HP) { 3118 if (subsystem_vendor_id == PCI_VENDOR_ID_HP) {
3111 c->product_name = products[i-1].product_name; 3119 c->product_name = products[i-1].product_name;
3112 c->access = *(products[i-1].access); 3120 c->access = *(products[i-1].access);
3113 c->nr_cmds = products[i-1].nr_cmds; 3121 c->nr_cmds = c->max_commands - 4;
3114 printk(KERN_WARNING "cciss: This is an unknown " 3122 printk(KERN_WARNING "cciss: This is an unknown "
3115 "Smart Array controller.\n" 3123 "Smart Array controller.\n"
3116 "cciss: Please update to the latest driver " 3124 "cciss: Please update to the latest driver "